help
Say yes to include basic support for Intel GMA3600/3650 (Intel
Cedar Trail) platforms.
-
-config DRM_MEDFIELD
- bool "Intel Medfield support (Experimental)"
- depends on DRM_GMA500 && X86_INTEL_MID
- help
- Say yes to include support for the Intel Medfield platform.
-
oaktrail_hdmi.o \
oaktrail_hdmi_i2c.o
-gma500_gfx-$(CONFIG_DRM_MEDFIELD) += mdfld_device.o \
- mdfld_output.o \
- mdfld_intel_display.o \
- mdfld_dsi_output.o \
- mdfld_dsi_dpi.o \
- mdfld_dsi_pkg_sender.o \
- mdfld_tpo_vid.o \
- mdfld_tmd_vid.o \
- tc35876x-dsi-lvds.o
-
obj-$(CONFIG_DRM_GMA500) += gma500_gfx.o
*
* Authors:
* jim liu <jim.liu@intel.com>
- *
- * FIXME:
- * We should probably make this generic and share it with Medfield
*/
#include <linux/pm_runtime.h>
bool has_hdmi_audio;
/* Should set this when detect hotplug */
bool hdmi_device_connected;
- struct mdfld_hdmi_i2c *i2c_bus;
struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */
struct drm_device *dev;
};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- **************************************************************************/
-
-#include <linux/delay.h>
-#include <linux/gpio/machine.h>
-
-#include <asm/intel_scu_ipc.h>
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mid_bios.h"
-#include "psb_drv.h"
-#include "tc35876x-dsi-lvds.h"
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
-#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-#define BRIGHTNESS_MIN_LEVEL 1
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-#define BLC_ADJUSTMENT_MAX 100
-
-#define MDFLD_BLC_PWM_PRECISION_FACTOR 10
-#define MDFLD_BLC_MAX_PWM_REG_FREQ 0xFFFE
-#define MDFLD_BLC_MIN_PWM_REG_FREQ 0x2
-
-#define MDFLD_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define MDFLD_BACKLIGHT_PWM_CTL_SHIFT (16)
-
-static struct backlight_device *mdfld_backlight_device;
-
-int mdfld_set_brightness(struct backlight_device *bd)
-{
- struct drm_device *dev =
- (struct drm_device *)bl_get_data(mdfld_backlight_device);
- struct drm_psb_private *dev_priv = dev->dev_private;
- int level = bd->props.brightness;
-
- DRM_DEBUG_DRIVER("backlight level set to %d\n", level);
-
- /* Perform value bounds checking */
- if (level < BRIGHTNESS_MIN_LEVEL)
- level = BRIGHTNESS_MIN_LEVEL;
-
- if (gma_power_begin(dev, false)) {
- u32 adjusted_level = 0;
-
- /*
- * Adjust the backlight level with the percent in
- * dev_priv->blc_adj2
- */
- adjusted_level = level * dev_priv->blc_adj2;
- adjusted_level = adjusted_level / BLC_ADJUSTMENT_MAX;
- dev_priv->brightness_adjusted = adjusted_level;
-
- if (mdfld_get_panel_type(dev, 0) == TC35876X) {
- if (dev_priv->dpi_panel_on[0] ||
- dev_priv->dpi_panel_on[2])
- tc35876x_brightness_control(dev,
- dev_priv->brightness_adjusted);
- } else {
- if (dev_priv->dpi_panel_on[0])
- mdfld_dsi_brightness_control(dev, 0,
- dev_priv->brightness_adjusted);
- }
-
- if (dev_priv->dpi_panel_on[2])
- mdfld_dsi_brightness_control(dev, 2,
- dev_priv->brightness_adjusted);
- gma_power_end(dev);
- }
-
- /* cache the brightness for later use */
- dev_priv->brightness = level;
- return 0;
-}
-
-static int mdfld_get_brightness(struct backlight_device *bd)
-{
- struct drm_device *dev =
- (struct drm_device *)bl_get_data(mdfld_backlight_device);
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- DRM_DEBUG_DRIVER("brightness = 0x%x \n", dev_priv->brightness);
-
- /* return locally cached var instead of HW read (due to DPST etc.) */
- return dev_priv->brightness;
-}
-
-static const struct backlight_ops mdfld_ops = {
- .get_brightness = mdfld_get_brightness,
- .update_status = mdfld_set_brightness,
-};
-
-static int device_backlight_init(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = (struct drm_psb_private *)
- dev->dev_private;
-
- dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
- dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
-
- return 0;
-}
-
-static int mdfld_backlight_init(struct drm_device *dev)
-{
- struct backlight_properties props;
- int ret = 0;
-
- memset(&props, 0, sizeof(struct backlight_properties));
- props.max_brightness = BRIGHTNESS_MAX_LEVEL;
- props.type = BACKLIGHT_PLATFORM;
- mdfld_backlight_device = backlight_device_register("mdfld-bl",
- NULL, (void *)dev, &mdfld_ops, &props);
-
- if (IS_ERR(mdfld_backlight_device))
- return PTR_ERR(mdfld_backlight_device);
-
- ret = device_backlight_init(dev);
- if (ret)
- return ret;
-
- mdfld_backlight_device->props.brightness = BRIGHTNESS_MAX_LEVEL;
- mdfld_backlight_device->props.max_brightness = BRIGHTNESS_MAX_LEVEL;
- backlight_update_status(mdfld_backlight_device);
- return 0;
-}
-#endif
-
-struct backlight_device *mdfld_get_backlight_device(void)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
- return mdfld_backlight_device;
-#else
- return NULL;
-#endif
-}
-
-/*
- * mdfld_save_display_registers
- *
- * Description: We are going to suspend so save current display
- * register state.
- *
- * Notes: FIXME_JLIU7 need to add the support for DPI MIPI & HDMI audio
- */
-static int mdfld_save_display_registers(struct drm_device *dev, int pipenum)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct medfield_state *regs = &dev_priv->regs.mdfld;
- struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
- const struct psb_offset *map = &dev_priv->regmap[pipenum];
- int i;
- u32 *mipi_val;
-
- /* register */
- u32 mipi_reg = MIPI;
-
- switch (pipenum) {
- case 0:
- mipi_val = ®s->saveMIPI;
- break;
- case 1:
- mipi_val = ®s->saveMIPI;
- break;
- case 2:
- /* register */
- mipi_reg = MIPI_C;
- /* pointer to values */
- mipi_val = ®s->saveMIPI_C;
- break;
- default:
- DRM_ERROR("%s, invalid pipe number.\n", __func__);
- return -EINVAL;
- }
-
- /* Pipe & plane A info */
- pipe->dpll = PSB_RVDC32(map->dpll);
- pipe->fp0 = PSB_RVDC32(map->fp0);
- pipe->conf = PSB_RVDC32(map->conf);
- pipe->htotal = PSB_RVDC32(map->htotal);
- pipe->hblank = PSB_RVDC32(map->hblank);
- pipe->hsync = PSB_RVDC32(map->hsync);
- pipe->vtotal = PSB_RVDC32(map->vtotal);
- pipe->vblank = PSB_RVDC32(map->vblank);
- pipe->vsync = PSB_RVDC32(map->vsync);
- pipe->src = PSB_RVDC32(map->src);
- pipe->stride = PSB_RVDC32(map->stride);
- pipe->linoff = PSB_RVDC32(map->linoff);
- pipe->tileoff = PSB_RVDC32(map->tileoff);
- pipe->size = PSB_RVDC32(map->size);
- pipe->pos = PSB_RVDC32(map->pos);
- pipe->surf = PSB_RVDC32(map->surf);
- pipe->cntr = PSB_RVDC32(map->cntr);
- pipe->status = PSB_RVDC32(map->status);
-
- /*save palette (gamma) */
- for (i = 0; i < 256; i++)
- pipe->palette[i] = PSB_RVDC32(map->palette + (i << 2));
-
- if (pipenum == 1) {
- regs->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
- regs->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-
- regs->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
- regs->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
- return 0;
- }
-
- *mipi_val = PSB_RVDC32(mipi_reg);
- return 0;
-}
-
-/*
- * mdfld_restore_display_registers
- *
- * Description: We are going to resume so restore display register state.
- *
- * Notes: FIXME_JLIU7 need to add the support for DPI MIPI & HDMI audio
- */
-static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
-{
- /* To get panel out of ULPS mode. */
- u32 temp = 0;
- u32 device_ready_reg = DEVICE_READY_REG;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct mdfld_dsi_config *dsi_config = NULL;
- struct medfield_state *regs = &dev_priv->regs.mdfld;
- struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
- const struct psb_offset *map = &dev_priv->regmap[pipenum];
- u32 i;
- u32 dpll;
- u32 timeout = 0;
-
- /* register */
- u32 mipi_reg = MIPI;
-
- /* values */
- u32 dpll_val = pipe->dpll;
- u32 mipi_val = regs->saveMIPI;
-
- switch (pipenum) {
- case 0:
- dpll_val &= ~DPLL_VCO_ENABLE;
- dsi_config = dev_priv->dsi_configs[0];
- break;
- case 1:
- dpll_val &= ~DPLL_VCO_ENABLE;
- break;
- case 2:
- mipi_reg = MIPI_C;
- mipi_val = regs->saveMIPI_C;
- dsi_config = dev_priv->dsi_configs[1];
- break;
- default:
- DRM_ERROR("%s, invalid pipe number.\n", __func__);
- return -EINVAL;
- }
-
- /*make sure VGA plane is off. it initializes to on after reset!*/
- PSB_WVDC32(0x80000000, VGACNTRL);
-
- if (pipenum == 1) {
- PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, map->dpll);
- PSB_RVDC32(map->dpll);
-
- PSB_WVDC32(pipe->fp0, map->fp0);
- } else {
-
- dpll = PSB_RVDC32(map->dpll);
-
- if (!(dpll & DPLL_VCO_ENABLE)) {
-
- /* When ungating power of DPLL, needs to wait 0.5us
- before enable the VCO */
- if (dpll & MDFLD_PWR_GATE_EN) {
- dpll &= ~MDFLD_PWR_GATE_EN;
- PSB_WVDC32(dpll, map->dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
- }
-
- PSB_WVDC32(pipe->fp0, map->fp0);
- PSB_WVDC32(dpll_val, map->dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
-
- dpll_val |= DPLL_VCO_ENABLE;
- PSB_WVDC32(dpll_val, map->dpll);
- PSB_RVDC32(map->dpll);
-
- /* wait for DSI PLL to lock */
- while (timeout < 20000 &&
- !(PSB_RVDC32(map->conf) & PIPECONF_DSIPLL_LOCK)) {
- udelay(150);
- timeout++;
- }
-
- if (timeout == 20000) {
- DRM_ERROR("%s, can't lock DSIPLL.\n",
- __func__);
- return -EINVAL;
- }
- }
- }
- /* Restore mode */
- PSB_WVDC32(pipe->htotal, map->htotal);
- PSB_WVDC32(pipe->hblank, map->hblank);
- PSB_WVDC32(pipe->hsync, map->hsync);
- PSB_WVDC32(pipe->vtotal, map->vtotal);
- PSB_WVDC32(pipe->vblank, map->vblank);
- PSB_WVDC32(pipe->vsync, map->vsync);
- PSB_WVDC32(pipe->src, map->src);
- PSB_WVDC32(pipe->status, map->status);
-
- /*set up the plane*/
- PSB_WVDC32(pipe->stride, map->stride);
- PSB_WVDC32(pipe->linoff, map->linoff);
- PSB_WVDC32(pipe->tileoff, map->tileoff);
- PSB_WVDC32(pipe->size, map->size);
- PSB_WVDC32(pipe->pos, map->pos);
- PSB_WVDC32(pipe->surf, map->surf);
-
- if (pipenum == 1) {
- /* restore palette (gamma) */
- /* udelay(50000); */
- for (i = 0; i < 256; i++)
- PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
-
- PSB_WVDC32(regs->savePFIT_CONTROL, PFIT_CONTROL);
- PSB_WVDC32(regs->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-
- /*TODO: resume HDMI port */
-
- /*TODO: resume pipe*/
-
- /*enable the plane*/
- PSB_WVDC32(pipe->cntr & ~DISPLAY_PLANE_ENABLE, map->cntr);
-
- return 0;
- }
-
- /*set up pipe related registers*/
- PSB_WVDC32(mipi_val, mipi_reg);
-
- /*setup MIPI adapter + MIPI IP registers*/
- if (dsi_config)
- mdfld_dsi_controller_init(dsi_config, pipenum);
-
- if (in_atomic() || in_interrupt())
- mdelay(20);
- else
- msleep(20);
-
- /*enable the plane*/
- PSB_WVDC32(pipe->cntr, map->cntr);
-
- if (in_atomic() || in_interrupt())
- mdelay(20);
- else
- msleep(20);
-
- /* LP Hold Release */
- temp = REG_READ(mipi_reg);
- temp |= LP_OUTPUT_HOLD_RELEASE;
- REG_WRITE(mipi_reg, temp);
- mdelay(1);
-
-
- /* Set DSI host to exit from Utra Low Power State */
- temp = REG_READ(device_ready_reg);
- temp &= ~ULPS_MASK;
- temp |= 0x3;
- temp |= EXIT_ULPS_DEV_READY;
- REG_WRITE(device_ready_reg, temp);
- mdelay(1);
-
- temp = REG_READ(device_ready_reg);
- temp &= ~ULPS_MASK;
- temp |= EXITING_ULPS;
- REG_WRITE(device_ready_reg, temp);
- mdelay(1);
-
- /*enable the pipe*/
- PSB_WVDC32(pipe->conf, map->conf);
-
- /* restore palette (gamma) */
- /* udelay(50000); */
- for (i = 0; i < 256; i++)
- PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
-
- return 0;
-}
-
-static int mdfld_save_registers(struct drm_device *dev)
-{
- /* mdfld_save_cursor_overlay_registers(dev); */
- mdfld_save_display_registers(dev, 0);
- mdfld_save_display_registers(dev, 2);
- mdfld_disable_crtc(dev, 0);
- mdfld_disable_crtc(dev, 2);
-
- return 0;
-}
-
-static int mdfld_restore_registers(struct drm_device *dev)
-{
- mdfld_restore_display_registers(dev, 2);
- mdfld_restore_display_registers(dev, 0);
- /* mdfld_restore_cursor_overlay_registers(dev); */
-
- return 0;
-}
-
-static int mdfld_power_down(struct drm_device *dev)
-{
- /* FIXME */
- return 0;
-}
-
-static int mdfld_power_up(struct drm_device *dev)
-{
- /* FIXME */
- return 0;
-}
-
-/* Medfield */
-static const struct psb_offset mdfld_regmap[3] = {
- {
- .fp0 = MRST_FPA0,
- .fp1 = MRST_FPA1,
- .cntr = DSPACNTR,
- .conf = PIPEACONF,
- .src = PIPEASRC,
- .dpll = MRST_DPLL_A,
- .htotal = HTOTAL_A,
- .hblank = HBLANK_A,
- .hsync = HSYNC_A,
- .vtotal = VTOTAL_A,
- .vblank = VBLANK_A,
- .vsync = VSYNC_A,
- .stride = DSPASTRIDE,
- .size = DSPASIZE,
- .pos = DSPAPOS,
- .surf = DSPASURF,
- .addr = MRST_DSPABASE,
- .status = PIPEASTAT,
- .linoff = DSPALINOFF,
- .tileoff = DSPATILEOFF,
- .palette = PALETTE_A,
- },
- {
- .fp0 = MDFLD_DPLL_DIV0,
- .cntr = DSPBCNTR,
- .conf = PIPEBCONF,
- .src = PIPEBSRC,
- .dpll = MDFLD_DPLL_B,
- .htotal = HTOTAL_B,
- .hblank = HBLANK_B,
- .hsync = HSYNC_B,
- .vtotal = VTOTAL_B,
- .vblank = VBLANK_B,
- .vsync = VSYNC_B,
- .stride = DSPBSTRIDE,
- .size = DSPBSIZE,
- .pos = DSPBPOS,
- .surf = DSPBSURF,
- .addr = MRST_DSPBBASE,
- .status = PIPEBSTAT,
- .linoff = DSPBLINOFF,
- .tileoff = DSPBTILEOFF,
- .palette = PALETTE_B,
- },
- {
- .fp0 = MRST_FPA0, /* This is what the old code did ?? */
- .cntr = DSPCCNTR,
- .conf = PIPECCONF,
- .src = PIPECSRC,
- /* No DPLL_C */
- .dpll = MRST_DPLL_A,
- .htotal = HTOTAL_C,
- .hblank = HBLANK_C,
- .hsync = HSYNC_C,
- .vtotal = VTOTAL_C,
- .vblank = VBLANK_C,
- .vsync = VSYNC_C,
- .stride = DSPCSTRIDE,
- .size = DSPBSIZE,
- .pos = DSPCPOS,
- .surf = DSPCSURF,
- .addr = MDFLD_DSPCBASE,
- .status = PIPECSTAT,
- .linoff = DSPCLINOFF,
- .tileoff = DSPCTILEOFF,
- .palette = PALETTE_C,
- },
-};
-
-/*
- * The GPIO lines for resetting DSI pipe 0 and 2 are available in the
- * PCI device 0000:00:0c.0 on the Medfield.
- */
-static struct gpiod_lookup_table mdfld_dsi_pipe_gpio_table = {
- .table = {
- GPIO_LOOKUP("0000:00:0c.0", 128, "dsi-pipe0-reset",
- GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("0000:00:0c.0", 34, "dsi-pipe2-reset",
- GPIO_ACTIVE_HIGH),
- { },
- },
-};
-
-static int mdfld_chip_setup(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct pci_dev *pdev = to_pci_dev(dev->dev);
-
- if (pci_enable_msi(pdev))
- dev_warn(dev->dev, "Enabling MSI failed!\n");
- dev_priv->regmap = mdfld_regmap;
-
- /* Associate the GPIO lines with the DRM device */
- mdfld_dsi_pipe_gpio_table.dev_id = dev_name(dev->dev);
- gpiod_add_lookup_table(&mdfld_dsi_pipe_gpio_table);
-
- return mid_chip_setup(dev);
-}
-
-const struct psb_ops mdfld_chip_ops = {
- .name = "mdfld",
- .pipes = 3,
- .crtcs = 3,
- .lvds_mask = (1 << 1),
- .hdmi_mask = (1 << 1),
- .cursor_needs_phys = 0,
- .sgx_offset = MRST_SGX_OFFSET,
-
- .chip_setup = mdfld_chip_setup,
- .crtc_helper = &mdfld_helper_funcs,
- .crtc_funcs = &psb_intel_crtc_funcs,
-
- .output_init = mdfld_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
- .backlight_init = mdfld_backlight_init,
-#endif
-
- .save_regs = mdfld_save_registers,
- .restore_regs = mdfld_restore_registers,
- .save_crtc = gma_crtc_save,
- .restore_crtc = gma_crtc_restore,
- .power_down = mdfld_power_down,
- .power_up = mdfld_power_up,
-};
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/delay.h>
-
-#include <drm/drm_simple_kms_helper.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_output.h"
-#include "psb_drv.h"
-#include "tc35876x-dsi-lvds.h"
-
-static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
- int pipe);
-
-static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
-{
- u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
- int timeout = 0;
-
- udelay(500);
-
- /* This will time out after approximately 2+ seconds */
- while ((timeout < 20000) &&
- (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
- udelay(100);
- timeout++;
- }
-
- if (timeout == 20000)
- DRM_INFO("MIPI: HS Data FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
- u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
- int timeout = 0;
-
- udelay(500);
-
- /* This will time out after approximately 2+ seconds */
- while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg)
- & DSI_FIFO_GEN_HS_CTRL_FULL)) {
- udelay(100);
- timeout++;
- }
- if (timeout == 20000)
- DRM_INFO("MIPI: HS CMD FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
- u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
- int timeout = 0;
-
- udelay(500);
-
- /* This will time out after approximately 2+ seconds */
- while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) &
- DPI_FIFO_EMPTY) != DPI_FIFO_EMPTY)) {
- udelay(100);
- timeout++;
- }
-
- if (timeout == 20000)
- DRM_ERROR("MIPI: DPI FIFO was never cleared\n");
-}
-
-static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
-{
- u32 intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
- int timeout = 0;
-
- udelay(500);
-
- /* This will time out after approximately 2+ seconds */
- while ((timeout < 20000) && (!(REG_READ(intr_stat_reg)
- & DSI_INTR_STATE_SPL_PKG_SENT))) {
- udelay(100);
- timeout++;
- }
-
- if (timeout == 20000)
- DRM_ERROR("MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
-}
-
-/* For TC35876X */
-
-static void dsi_set_device_ready_state(struct drm_device *dev, int state,
- int pipe)
-{
- REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), !!state, 0, 0);
-}
-
-static void dsi_set_pipe_plane_enable_state(struct drm_device *dev,
- int state, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- u32 pipeconf_reg = PIPEACONF;
- u32 dspcntr_reg = DSPACNTR;
-
- u32 dspcntr = dev_priv->dspcntr[pipe];
- u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-
- if (pipe) {
- pipeconf_reg = PIPECCONF;
- dspcntr_reg = DSPCCNTR;
- } else
- mipi &= (~0x03);
-
- if (state) {
- /*Set up pipe */
- REG_WRITE(pipeconf_reg, BIT(31));
-
- if (REG_BIT_WAIT(pipeconf_reg, 1, 30))
- dev_err(dev->dev, "%s: Pipe enable timeout\n",
- __func__);
-
- /*Set up display plane */
- REG_WRITE(dspcntr_reg, dspcntr);
- } else {
- u32 dspbase_reg = pipe ? MDFLD_DSPCBASE : MRST_DSPABASE;
-
- /* Put DSI lanes to ULPS to disable pipe */
- REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 2, 2, 1);
- REG_READ(MIPI_DEVICE_READY_REG(pipe)); /* posted write? */
-
- /* LP Hold */
- REG_FLD_MOD(MIPI_PORT_CONTROL(pipe), 0, 16, 16);
- REG_READ(MIPI_PORT_CONTROL(pipe)); /* posted write? */
-
- /* Disable display plane */
- REG_FLD_MOD(dspcntr_reg, 0, 31, 31);
-
- /* Flush the plane changes ??? posted write? */
- REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
- REG_READ(dspbase_reg);
-
- /* Disable PIPE */
- REG_FLD_MOD(pipeconf_reg, 0, 31, 31);
-
- if (REG_BIT_WAIT(pipeconf_reg, 0, 30))
- dev_err(dev->dev, "%s: Pipe disable timeout\n",
- __func__);
-
- if (REG_BIT_WAIT(MIPI_GEN_FIFO_STAT_REG(pipe), 1, 28))
- dev_err(dev->dev, "%s: FIFO not empty\n",
- __func__);
- }
-}
-
-static void mdfld_dsi_configure_down(struct mdfld_dsi_encoder *dsi_encoder,
- int pipe)
-{
- struct mdfld_dsi_dpi_output *dpi_output =
- MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_encoder_get_config(dsi_encoder);
- struct drm_device *dev = dsi_config->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (!dev_priv->dpi_panel_on[pipe]) {
- dev_err(dev->dev, "DPI panel is already off\n");
- return;
- }
- tc35876x_toshiba_bridge_panel_off(dev);
- tc35876x_set_bridge_reset_state(dev, 1);
- dsi_set_pipe_plane_enable_state(dev, 0, pipe);
- mdfld_dsi_dpi_shut_down(dpi_output, pipe);
- dsi_set_device_ready_state(dev, 0, pipe);
-}
-
-static void mdfld_dsi_configure_up(struct mdfld_dsi_encoder *dsi_encoder,
- int pipe)
-{
- struct mdfld_dsi_dpi_output *dpi_output =
- MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_encoder_get_config(dsi_encoder);
- struct drm_device *dev = dsi_config->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (dev_priv->dpi_panel_on[pipe]) {
- dev_err(dev->dev, "DPI panel is already on\n");
- return;
- }
-
- /* For resume path sequence */
- mdfld_dsi_dpi_shut_down(dpi_output, pipe);
- dsi_set_device_ready_state(dev, 0, pipe);
-
- dsi_set_device_ready_state(dev, 1, pipe);
- tc35876x_set_bridge_reset_state(dev, 0);
- tc35876x_configure_lvds_bridge(dev);
- mdfld_dsi_dpi_turn_on(dpi_output, pipe); /* Send turn on command */
- dsi_set_pipe_plane_enable_state(dev, 1, pipe);
-}
-/* End for TC35876X */
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_dsi_tpo_ic_init
- *
- * DESCRIPTION: This function is called only by mrst_dsi_mode_set and
- * restore_display_registers. since this function does not
- * acquire the mutex, it is important that the calling function
- * does!
-\* ************************************************************************* */
-static void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
-{
- struct drm_device *dev = dsi_config->dev;
- u32 dcsChannelNumber = dsi_config->channel_num;
- u32 gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
- u32 gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
- u32 gen_ctrl_val = GEN_LONG_WRITE;
-
- DRM_INFO("Enter mrst init TPO MIPI display.\n");
-
- gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
-
- /* Flip page order */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00008036);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
- /* 0xF0 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x005a5af0);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
- /* Write protection key */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x005a5af1);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
- /* 0xFC */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x005a5afc);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
- /* 0xB7 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x770000b7);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000044);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
-
- /* 0xB6 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x000a0ab6);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
- /* 0xF2 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x081010f2);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x4a070708);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x000000c5);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
- /* 0xF8 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x024003f8);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x01030a04);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x0e020220);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000004);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
-
- /* 0xE2 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x398fc3e2);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x0000916f);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
-
- /* 0xB0 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x000000b0);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
- /* 0xF4 */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x240242f4);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x78ee2002);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x2a071050);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x507fee10);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x10300710);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
-
- /* 0xBA */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x19fe07ba);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x101c0a31);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000010);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
- /* 0xBB */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x28ff07bb);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x24280a31);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000034);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
- /* 0xFB */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x535d05fb);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1b1a2130);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x221e180e);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x131d2120);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x535d0508);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1c1a2131);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x231f160d);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x111b2220);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x535c2008);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1f1d2433);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x2c251a10);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x2c34372d);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000023);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
- /* 0xFA */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x525c0bfa);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1c1c232f);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x2623190e);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x18212625);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x545d0d0e);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1e1d2333);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x26231a10);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x1a222725);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x545d280f);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x21202635);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x31292013);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x31393d33);
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x00000029);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
- /* Set DM */
- mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
- REG_WRITE(gen_data_reg, 0x000100f7);
- mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
- REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-}
-
-static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
- int num_lane, int bpp)
-{
- return (u16)((pixel_clock_count * bpp) / (num_lane * 8));
-}
-
-/*
- * Calculate the dpi time basing on a given drm mode @mode
- * return 0 on success.
- * FIXME: I was using proposed mode value for calculation, may need to
- * use crtc mode values later
- */
-int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
- struct mdfld_dsi_dpi_timing *dpi_timing,
- int num_lane, int bpp)
-{
- int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
- int pclk_vsync, pclk_vfp, pclk_vbp;
-
- pclk_hactive = mode->hdisplay;
- pclk_hfp = mode->hsync_start - mode->hdisplay;
- pclk_hsync = mode->hsync_end - mode->hsync_start;
- pclk_hbp = mode->htotal - mode->hsync_end;
-
- pclk_vfp = mode->vsync_start - mode->vdisplay;
- pclk_vsync = mode->vsync_end - mode->vsync_start;
- pclk_vbp = mode->vtotal - mode->vsync_end;
-
- /*
- * byte clock counts were calculated by following formula
- * bclock_count = pclk_count * bpp / num_lane / 8
- */
- dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_hsync, num_lane, bpp);
- dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_hbp, num_lane, bpp);
- dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_hfp, num_lane, bpp);
- dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_hactive, num_lane, bpp);
- dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_vsync, num_lane, bpp);
- dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_vbp, num_lane, bpp);
- dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(
- pclk_vfp, num_lane, bpp);
-
- return 0;
-}
-
-void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
- int pipe)
-{
- struct drm_device *dev = dsi_config->dev;
- int lane_count = dsi_config->lane_count;
- struct mdfld_dsi_dpi_timing dpi_timing;
- struct drm_display_mode *mode = dsi_config->mode;
- u32 val;
-
- /*un-ready device*/
- REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 0, 0, 0);
-
- /*init dsi adapter before kicking off*/
- REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
-
- /*enable all interrupts*/
- REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
-
- /*set up func_prg*/
- val = lane_count;
- val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-
- switch (dsi_config->bpp) {
- case 16:
- val |= DSI_DPI_COLOR_FORMAT_RGB565;
- break;
- case 18:
- val |= DSI_DPI_COLOR_FORMAT_RGB666;
- break;
- case 24:
- val |= DSI_DPI_COLOR_FORMAT_RGB888;
- break;
- default:
- DRM_ERROR("unsupported color format, bpp = %d\n",
- dsi_config->bpp);
- }
- REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), val);
-
- REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe),
- (mode->vtotal * mode->htotal * dsi_config->bpp /
- (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
- REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe),
- 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-
- /*max value: 20 clock cycles of txclkesc*/
- REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe),
- 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-
- /*min 21 txclkesc, max: ffffh*/
- REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe),
- 0xffff & DSI_RESET_TIMER_MASK);
-
- REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
- mode->vdisplay << 16 | mode->hdisplay);
-
- /*set DPI timing registers*/
- mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
- dsi_config->lane_count, dsi_config->bpp);
-
- REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
- dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
- dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
- dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
- dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
- dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
- dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
- dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-
- REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x46);
-
- /*min: 7d0 max: 4e20*/
- REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0x000007d0);
-
- /*set up video mode*/
- val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
- REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), val);
-
- REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
-
- REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
-
- /*TODO: figure out how to setup these registers*/
- if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
- else
- REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150c3408);
-
- REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
-
- if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
-
- /*set device ready*/
- REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 1, 0, 0);
-}
-
-void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
-{
- struct drm_device *dev = output->dev;
-
- /* clear special packet sent bit */
- if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
- REG_WRITE(MIPI_INTR_STAT_REG(pipe),
- DSI_INTR_STATE_SPL_PKG_SENT);
-
- /*send turn on package*/
- REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_TURN_ON);
-
- /*wait for SPL_PKG_SENT interrupt*/
- mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
-
- if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
- REG_WRITE(MIPI_INTR_STAT_REG(pipe),
- DSI_INTR_STATE_SPL_PKG_SENT);
-
- output->panel_on = 1;
-
- /* FIXME the following is disabled to WA the X slow start issue
- for TMD panel
- if (pipe == 2)
- dev_priv->dpi_panel_on2 = true;
- else if (pipe == 0)
- dev_priv->dpi_panel_on = true; */
-}
-
-static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
- int pipe)
-{
- struct drm_device *dev = output->dev;
-
- /*if output is on, or mode setting didn't happen, ignore this*/
- if ((!output->panel_on) || output->first_boot) {
- output->first_boot = 0;
- return;
- }
-
- /* Wait for dpi fifo to empty */
- mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
-
- /* Clear the special packet interrupt bit if set */
- if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
- REG_WRITE(MIPI_INTR_STAT_REG(pipe),
- DSI_INTR_STATE_SPL_PKG_SENT);
-
- if (REG_READ(MIPI_DPI_CONTROL_REG(pipe)) == DSI_DPI_CTRL_HS_SHUTDOWN)
- goto shutdown_out;
-
- REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_SHUTDOWN);
-
-shutdown_out:
- output->panel_on = 0;
- output->first_boot = 0;
-
- /* FIXME the following is disabled to WA the X slow start issue
- for TMD panel
- if (pipe == 2)
- dev_priv->dpi_panel_on2 = false;
- else if (pipe == 0)
- dev_priv->dpi_panel_on = false; */
-}
-
-static void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
-{
- struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
- struct mdfld_dsi_dpi_output *dpi_output =
- MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_encoder_get_config(dsi_encoder);
- int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
- struct drm_device *dev = dsi_config->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /*start up display island if it was shutdown*/
- if (!gma_power_begin(dev, true))
- return;
-
- if (on) {
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
- mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- mdfld_dsi_configure_up(dsi_encoder, pipe);
- else {
- /*enable mipi port*/
- REG_WRITE(MIPI_PORT_CONTROL(pipe),
- REG_READ(MIPI_PORT_CONTROL(pipe)) | BIT(31));
- REG_READ(MIPI_PORT_CONTROL(pipe));
-
- mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- mdfld_dsi_tpo_ic_init(dsi_config, pipe);
- }
- dev_priv->dpi_panel_on[pipe] = true;
- } else {
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
- mdfld_dsi_dpi_shut_down(dpi_output, pipe);
- else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- mdfld_dsi_configure_down(dsi_encoder, pipe);
- else {
- mdfld_dsi_dpi_shut_down(dpi_output, pipe);
-
- /*disable mipi port*/
- REG_WRITE(MIPI_PORT_CONTROL(pipe),
- REG_READ(MIPI_PORT_CONTROL(pipe)) & ~BIT(31));
- REG_READ(MIPI_PORT_CONTROL(pipe));
- }
- dev_priv->dpi_panel_on[pipe] = false;
- }
- gma_power_end(dev);
-}
-
-void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
-{
- mdfld_dsi_dpi_set_power(encoder, mode == DRM_MODE_DPMS_ON);
-}
-
-bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_encoder_get_config(dsi_encoder);
- struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
- if (fixed_mode) {
- adjusted_mode->hdisplay = fixed_mode->hdisplay;
- adjusted_mode->hsync_start = fixed_mode->hsync_start;
- adjusted_mode->hsync_end = fixed_mode->hsync_end;
- adjusted_mode->htotal = fixed_mode->htotal;
- adjusted_mode->vdisplay = fixed_mode->vdisplay;
- adjusted_mode->vsync_start = fixed_mode->vsync_start;
- adjusted_mode->vsync_end = fixed_mode->vsync_end;
- adjusted_mode->vtotal = fixed_mode->vtotal;
- adjusted_mode->clock = fixed_mode->clock;
- drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
- }
- return true;
-}
-
-void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder)
-{
- mdfld_dsi_dpi_set_power(encoder, false);
-}
-
-void mdfld_dsi_dpi_commit(struct drm_encoder *encoder)
-{
- mdfld_dsi_dpi_set_power(encoder, true);
-}
-
-/* For TC35876X */
-/* This functionality was implemented in FW in iCDK */
-/* But removed in DV0 and later. So need to add here. */
-static void mipi_set_properties(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- struct drm_device *dev = dsi_config->dev;
-
- REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
- REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
- REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe), 0xffffff);
- REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe), 0xffffff);
- REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe), 0x14);
- REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe), 0xff);
- REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x25);
- REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0xf0);
- REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
- REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
- REG_WRITE(MIPI_DBI_BW_CTRL_REG(pipe), 0x00000820);
- REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
-}
-
-static void mdfld_mipi_set_video_timing(struct mdfld_dsi_config *dsi_config,
- int pipe)
-{
- struct drm_device *dev = dsi_config->dev;
- struct mdfld_dsi_dpi_timing dpi_timing;
- struct drm_display_mode *mode = dsi_config->mode;
-
- mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
- dsi_config->lane_count,
- dsi_config->bpp);
-
- REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
- mode->vdisplay << 16 | mode->hdisplay);
- REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
- dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
- dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
- dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
- dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
- dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
- dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
- REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
- dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-}
-
-static void mdfld_mipi_config(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- struct drm_device *dev = dsi_config->dev;
- int lane_count = dsi_config->lane_count;
-
- if (pipe) {
- REG_WRITE(MIPI_PORT_CONTROL(0), 0x00000002);
- REG_WRITE(MIPI_PORT_CONTROL(2), 0x80000000);
- } else {
- REG_WRITE(MIPI_PORT_CONTROL(0), 0x80010000);
- REG_WRITE(MIPI_PORT_CONTROL(2), 0x00);
- }
-
- REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150A600F);
- REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), 0x0000000F);
-
- /* lane_count = 3 */
- REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), 0x00000200 | lane_count);
-
- mdfld_mipi_set_video_timing(dsi_config, pipe);
-}
-
-static void mdfld_set_pipe_timing(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- struct drm_device *dev = dsi_config->dev;
- struct drm_display_mode *mode = dsi_config->mode;
-
- REG_WRITE(HTOTAL_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
- REG_WRITE(HBLANK_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
- REG_WRITE(HSYNC_A,
- ((mode->hsync_end - 1) << 16) | (mode->hsync_start - 1));
-
- REG_WRITE(VTOTAL_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
- REG_WRITE(VBLANK_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
- REG_WRITE(VSYNC_A,
- ((mode->vsync_end - 1) << 16) | (mode->vsync_start - 1));
-
- REG_WRITE(PIPEASRC,
- ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-}
-/* End for TC35876X */
-
-void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
- struct mdfld_dsi_dpi_output *dpi_output =
- MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_encoder_get_config(dsi_encoder);
- struct drm_device *dev = dsi_config->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
- int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
- u32 pipeconf_reg = PIPEACONF;
- u32 dspcntr_reg = DSPACNTR;
- u32 pipeconf, dspcntr;
-
- u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-
- if (WARN_ON(pipe < 0))
- return;
-
- pipeconf = dev_priv->pipeconf[pipe];
- dspcntr = dev_priv->dspcntr[pipe];
-
- if (pipe) {
- pipeconf_reg = PIPECCONF;
- dspcntr_reg = DSPCCNTR;
- } else {
- if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- mipi &= (~0x03); /* Use all four lanes */
- else
- mipi |= 2;
- }
-
- /*start up display island if it was shutdown*/
- if (!gma_power_begin(dev, true))
- return;
-
- if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
- /*
- * The following logic is required to reset the bridge and
- * configure. This also starts the DSI clock at 200MHz.
- */
- tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
- tc35876x_toshiba_bridge_panel_on(dev);
- udelay(100);
- /* Now start the DSI clock */
- REG_WRITE(MRST_DPLL_A, 0x00);
- REG_WRITE(MRST_FPA0, 0xC1);
- REG_WRITE(MRST_DPLL_A, 0x00800000);
- udelay(500);
- REG_WRITE(MRST_DPLL_A, 0x80800000);
-
- if (REG_BIT_WAIT(pipeconf_reg, 1, 29))
- dev_err(dev->dev, "%s: DSI PLL lock timeout\n",
- __func__);
-
- REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
-
- mipi_set_properties(dsi_config, pipe);
- mdfld_mipi_config(dsi_config, pipe);
- mdfld_set_pipe_timing(dsi_config, pipe);
-
- REG_WRITE(DSPABASE, 0x00);
- REG_WRITE(DSPASIZE,
- ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-
- REG_WRITE(DSPACNTR, 0x98000000);
- REG_WRITE(DSPASURF, 0x00);
-
- REG_WRITE(VGACNTRL, 0x80000000);
- REG_WRITE(DEVICE_READY_REG, 0x00000001);
-
- REG_WRITE(MIPI_PORT_CONTROL(pipe), 0x80810000);
- } else {
- /*set up mipi port FIXME: do at init time */
- REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi);
- }
- REG_READ(MIPI_PORT_CONTROL(pipe));
-
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
- /* NOP */
- } else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
- /* set up DSI controller DPI interface */
- mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-
- /* Configure MIPI Bridge and Panel */
- tc35876x_configure_lvds_bridge(dev);
- dev_priv->dpi_panel_on[pipe] = true;
- } else {
- /*turn on DPI interface*/
- mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- }
-
- /*set up pipe*/
- REG_WRITE(pipeconf_reg, pipeconf);
- REG_READ(pipeconf_reg);
-
- /*set up display plane*/
- REG_WRITE(dspcntr_reg, dspcntr);
- REG_READ(dspcntr_reg);
-
- msleep(20); /* FIXME: this should wait for vblank */
-
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
- /* NOP */
- } else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
- mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- } else {
- /* init driver ic */
- mdfld_dsi_tpo_ic_init(dsi_config, pipe);
- /*init backlight*/
- mdfld_dsi_brightness_init(dsi_config, pipe);
- }
-
- gma_power_end(dev);
-}
-
-/*
- * Init DSI DPI encoder.
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DPI encoder, NULL on error
- */
-struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
- struct mdfld_dsi_connector *dsi_connector,
- const struct panel_funcs *p_funcs)
-{
- struct mdfld_dsi_dpi_output *dpi_output = NULL;
- struct mdfld_dsi_config *dsi_config;
- struct drm_connector *connector = NULL;
- struct drm_encoder *encoder = NULL;
- int pipe;
- u32 data;
- int ret;
-
- pipe = dsi_connector->pipe;
-
- if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
- dsi_config = mdfld_dsi_get_config(dsi_connector);
-
- /* panel hard-reset */
- if (p_funcs->reset) {
- ret = p_funcs->reset(dev, pipe);
- if (ret) {
- DRM_ERROR("Panel %d hard-reset failed\n", pipe);
- return NULL;
- }
- }
-
- /* panel drvIC init */
- if (p_funcs->drv_ic_init)
- p_funcs->drv_ic_init(dsi_config, pipe);
-
- /* panel power mode detect */
- ret = mdfld_dsi_get_power_mode(dsi_config, &data, false);
- if (ret) {
- DRM_ERROR("Panel %d get power mode failed\n", pipe);
- dsi_connector->status = connector_status_disconnected;
- } else {
- DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
- dsi_connector->status = connector_status_connected;
- }
- }
-
- dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
- if (!dpi_output) {
- DRM_ERROR("No memory\n");
- return NULL;
- }
-
- dpi_output->panel_on = 0;
- dpi_output->dev = dev;
- if (mdfld_get_panel_type(dev, pipe) != TC35876X)
- dpi_output->p_funcs = p_funcs;
- dpi_output->first_boot = 1;
-
- /*get fixed mode*/
- dsi_config = mdfld_dsi_get_config(dsi_connector);
-
- /*create drm encoder object*/
- connector = &dsi_connector->base.base;
- encoder = &dpi_output->base.base.base;
- drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
- drm_encoder_helper_add(encoder,
- p_funcs->encoder_helper_funcs);
-
- /*attach to given connector*/
- drm_connector_attach_encoder(connector, encoder);
-
- /*set possible crtcs and clones*/
- if (dsi_connector->pipe) {
- encoder->possible_crtcs = (1 << 2);
- encoder->possible_clones = 0;
- } else {
- encoder->possible_crtcs = (1 << 0);
- encoder->possible_clones = 0;
- }
-
- dsi_connector->base.encoder = &dpi_output->base.base;
-
- return &dpi_output->base;
-}
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DPI_H__
-#define __MDFLD_DSI_DPI_H__
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-struct mdfld_dsi_dpi_timing {
- u16 hsync_count;
- u16 hbp_count;
- u16 hfp_count;
- u16 hactive_count;
- u16 vsync_count;
- u16 vbp_count;
- u16 vfp_count;
-};
-
-struct mdfld_dsi_dpi_output {
- struct mdfld_dsi_encoder base;
- struct drm_device *dev;
-
- int panel_on;
- int first_boot;
-
- const struct panel_funcs *p_funcs;
-};
-
-#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder)\
- container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
-
-/* Export functions */
-extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
- struct mdfld_dsi_dpi_timing *dpi_timing,
- int num_lane, int bpp);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
- struct mdfld_dsi_connector *dsi_connector,
- const struct panel_funcs *p_funcs);
-
-/* MDFLD DPI helper functions */
-extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
-extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
- int pipe);
-extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
- int pipe);
-#endif /*__MDFLD_DSI_DPI_H__*/
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/delay.h>
-#include <linux/moduleparam.h>
-#include <linux/pm_runtime.h>
-#include <linux/gpio/consumer.h>
-
-#include <asm/intel_scu_ipc.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_output.h"
-#include "tc35876x-dsi-lvds.h"
-
-/* get the LABC from command line. */
-static int LABC_control = 1;
-
-#ifdef MODULE
-module_param(LABC_control, int, 0644);
-#else
-
-static int __init parse_LABC_control(char *arg)
-{
- /* LABC control can be passed in as a cmdline parameter */
- /* to enable this feature add LABC=1 to cmdline */
- /* to disable this feature add LABC=0 to cmdline */
- if (!arg)
- return -EINVAL;
-
- if (!strcasecmp(arg, "0"))
- LABC_control = 0;
- else if (!strcasecmp(arg, "1"))
- LABC_control = 1;
-
- return 0;
-}
-early_param("LABC", parse_LABC_control);
-#endif
-
-/*
- * Check and see if the generic control or data buffer is empty and ready.
- */
-void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, u32 gen_fifo_stat_reg,
- u32 fifo_stat)
-{
- u32 GEN_BF_time_out_count;
-
- /* Check MIPI Adatper command registers */
- for (GEN_BF_time_out_count = 0;
- GEN_BF_time_out_count < GEN_FB_TIME_OUT;
- GEN_BF_time_out_count++) {
- if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
- break;
- udelay(100);
- }
-
- if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
- DRM_ERROR("mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x.\n",
- gen_fifo_stat_reg);
-}
-
-/*
- * Manage the DSI MIPI keyboard and display brightness.
- * FIXME: this is exported to OSPM code. should work out an specific
- * display interface to OSPM.
- */
-
-void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- struct mdfld_dsi_pkg_sender *sender =
- mdfld_dsi_get_pkg_sender(dsi_config);
- struct drm_device *dev;
- struct drm_psb_private *dev_priv;
- u32 gen_ctrl_val;
-
- if (!sender) {
- DRM_ERROR("No sender found\n");
- return;
- }
-
- dev = sender->dev;
- dev_priv = dev->dev_private;
-
- /* Set default display backlight value to 85% (0xd8)*/
- mdfld_dsi_send_mcs_short(sender, write_display_brightness, 0xd8, 1,
- true);
-
- /* Set minimum brightness setting of CABC function to 20% (0x33)*/
- mdfld_dsi_send_mcs_short(sender, write_cabc_min_bright, 0x33, 1, true);
-
- /* Enable backlight or/and LABC */
- gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON |
- BACKLIGHT_ON;
- if (LABC_control == 1)
- gen_ctrl_val |= DISPLAY_DIMMING_ON | DISPLAY_BRIGHTNESS_AUTO
- | GAMMA_AUTO;
-
- if (LABC_control == 1)
- gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
-
- dev_priv->mipi_ctrl_display = gen_ctrl_val;
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_display, (u8)gen_ctrl_val,
- 1, true);
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_cabc, UI_IMAGE, 1, true);
-}
-
-void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
-{
- struct mdfld_dsi_pkg_sender *sender;
- struct drm_psb_private *dev_priv;
- struct mdfld_dsi_config *dsi_config;
- u32 gen_ctrl_val = 0;
- int p_type = TMD_VID;
-
- if (!dev || (pipe != 0 && pipe != 2)) {
- DRM_ERROR("Invalid parameter\n");
- return;
- }
-
- p_type = mdfld_get_panel_type(dev, 0);
-
- dev_priv = dev->dev_private;
-
- if (pipe)
- dsi_config = dev_priv->dsi_configs[1];
- else
- dsi_config = dev_priv->dsi_configs[0];
-
- sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
- if (!sender) {
- DRM_ERROR("No sender found\n");
- return;
- }
-
- gen_ctrl_val = (level * 0xff / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
-
- dev_dbg(sender->dev->dev, "pipe = %d, gen_ctrl_val = %d.\n",
- pipe, gen_ctrl_val);
-
- if (p_type == TMD_VID) {
- /* Set display backlight value */
- mdfld_dsi_send_mcs_short(sender, tmd_write_display_brightness,
- (u8)gen_ctrl_val, 1, true);
- } else {
- /* Set display backlight value */
- mdfld_dsi_send_mcs_short(sender, write_display_brightness,
- (u8)gen_ctrl_val, 1, true);
-
- /* Enable backlight control */
- if (level == 0)
- gen_ctrl_val = 0;
- else
- gen_ctrl_val = dev_priv->mipi_ctrl_display;
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_display,
- (u8)gen_ctrl_val, 1, true);
- }
-}
-
-static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
- u8 dcs, u32 *data, bool hs)
-{
- struct mdfld_dsi_pkg_sender *sender
- = mdfld_dsi_get_pkg_sender(dsi_config);
-
- if (!sender || !data) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- return mdfld_dsi_read_mcs(sender, dcs, data, 1, hs);
-}
-
-int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, u32 *mode,
- bool hs)
-{
- if (!dsi_config || !mode) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, hs);
-}
-
-/*
- * NOTE: this function was used by OSPM.
- * TODO: will be removed later, should work out display interfaces for OSPM
- */
-void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
- DRM_ERROR("Invalid parameters\n");
- return;
- }
-
- mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-}
-
-static void mdfld_dsi_connector_save(struct drm_connector *connector)
-{
-}
-
-static void mdfld_dsi_connector_restore(struct drm_connector *connector)
-{
-}
-
-/* FIXME: start using the force parameter */
-static enum drm_connector_status
-mdfld_dsi_connector_detect(struct drm_connector *connector, bool force)
-{
- struct mdfld_dsi_connector *dsi_connector
- = mdfld_dsi_connector(connector);
-
- dsi_connector->status = connector_status_connected;
-
- return dsi_connector->status;
-}
-
-static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
- struct drm_property *property,
- uint64_t value)
-{
- struct drm_encoder *encoder = connector->encoder;
-
- if (!strcmp(property->name, "scaling mode") && encoder) {
- struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc);
- bool centerechange;
- uint64_t val;
-
- if (!gma_crtc)
- goto set_prop_error;
-
- switch (value) {
- case DRM_MODE_SCALE_FULLSCREEN:
- break;
- case DRM_MODE_SCALE_NO_SCALE:
- break;
- case DRM_MODE_SCALE_ASPECT:
- break;
- default:
- goto set_prop_error;
- }
-
- if (drm_object_property_get_value(&connector->base, property, &val))
- goto set_prop_error;
-
- if (val == value)
- goto set_prop_done;
-
- if (drm_object_property_set_value(&connector->base,
- property, value))
- goto set_prop_error;
-
- centerechange = (val == DRM_MODE_SCALE_NO_SCALE) ||
- (value == DRM_MODE_SCALE_NO_SCALE);
-
- if (gma_crtc->saved_mode.hdisplay != 0 &&
- gma_crtc->saved_mode.vdisplay != 0) {
- if (centerechange) {
- if (!drm_crtc_helper_set_mode(encoder->crtc,
- &gma_crtc->saved_mode,
- encoder->crtc->x,
- encoder->crtc->y,
- encoder->crtc->primary->fb))
- goto set_prop_error;
- } else {
- const struct drm_encoder_helper_funcs *funcs =
- encoder->helper_private;
- funcs->mode_set(encoder,
- &gma_crtc->saved_mode,
- &gma_crtc->saved_adjusted_mode);
- }
- }
- } else if (!strcmp(property->name, "backlight") && encoder) {
- if (drm_object_property_set_value(&connector->base, property,
- value))
- goto set_prop_error;
- else
- gma_backlight_set(encoder->dev, value);
- }
-set_prop_done:
- return 0;
-set_prop_error:
- return -1;
-}
-
-static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_pkg_sender *sender;
-
- if (!dsi_connector)
- return;
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
- sender = dsi_connector->pkg_sender;
- mdfld_dsi_pkg_sender_destroy(sender);
- kfree(dsi_connector);
-}
-
-static int mdfld_dsi_connector_get_modes(struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
- struct drm_display_mode *dup_mode = NULL;
- struct drm_device *dev = connector->dev;
-
- if (fixed_mode) {
- dev_dbg(dev->dev, "fixed_mode %dx%d\n",
- fixed_mode->hdisplay, fixed_mode->vdisplay);
- dup_mode = drm_mode_duplicate(dev, fixed_mode);
- drm_mode_probed_add(connector, dup_mode);
- return 1;
- }
- DRM_ERROR("Didn't get any modes!\n");
- return 0;
-}
-
-static enum drm_mode_status mdfld_dsi_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
- return MODE_NO_DBLESCAN;
-
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- return MODE_NO_INTERLACE;
-
- /**
- * FIXME: current DC has no fitting unit, reject any mode setting
- * request
- * Will figure out a way to do up-scaling(panel fitting) later.
- **/
- if (fixed_mode) {
- if (mode->hdisplay != fixed_mode->hdisplay)
- return MODE_PANEL;
-
- if (mode->vdisplay != fixed_mode->vdisplay)
- return MODE_PANEL;
- }
-
- return MODE_OK;
-}
-
-static struct drm_encoder *mdfld_dsi_connector_best_encoder(
- struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- return &dsi_config->encoder->base.base;
-}
-
-/*DSI connector funcs*/
-static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .detect = mdfld_dsi_connector_detect,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .set_property = mdfld_dsi_connector_set_property,
- .destroy = mdfld_dsi_connector_destroy,
-};
-
-/*DSI connector helper funcs*/
-static const struct drm_connector_helper_funcs
- mdfld_dsi_connector_helper_funcs = {
- .get_modes = mdfld_dsi_connector_get_modes,
- .mode_valid = mdfld_dsi_connector_mode_valid,
- .best_encoder = mdfld_dsi_connector_best_encoder,
-};
-
-static int mdfld_dsi_get_default_config(struct drm_device *dev,
- struct mdfld_dsi_config *config, int pipe)
-{
- if (!dev || !config) {
- DRM_ERROR("Invalid parameters");
- return -EINVAL;
- }
-
- config->bpp = 24;
- if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- config->lane_count = 4;
- else
- config->lane_count = 2;
- config->channel_num = 0;
-
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
- config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
- else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- config->video_mode =
- MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS;
- else
- config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
-
- return 0;
-}
-
-int mdfld_dsi_panel_reset(struct drm_device *ddev, int pipe)
-{
- struct device *dev = ddev->dev;
- struct gpio_desc *gpiod;
-
- /*
- * Raise the GPIO reset line for the corresponding pipe to HIGH,
- * this is probably because it is active low so this takes the
- * respective pipe out of reset. (We have no code to put it back
- * into reset in this driver.)
- */
- switch (pipe) {
- case 0:
- gpiod = gpiod_get(dev, "dsi-pipe0-reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- break;
- case 2:
- gpiod = gpiod_get(dev, "dsi-pipe2-reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- break;
- default:
- DRM_DEV_ERROR(dev, "Invalid output pipe\n");
- return -EINVAL;
- }
- gpiod_put(gpiod);
-
- /* Flush posted writes on the device */
- gpiod = gpiod_get(dev, "dsi-pipe0-reset", GPIOD_ASIS);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- gpiod_get_value(gpiod);
- gpiod_put(gpiod);
-
- return 0;
-}
-
-/*
- * MIPI output init
- * @dev drm device
- * @pipe pipe number. 0 or 2
- * @config
- *
- * Do the initialization of a MIPI output, including create DRM mode objects
- * initialization of DSI output on @pipe
- */
-void mdfld_dsi_output_init(struct drm_device *dev,
- int pipe,
- const struct panel_funcs *p_vid_funcs)
-{
- struct mdfld_dsi_config *dsi_config;
- struct mdfld_dsi_connector *dsi_connector;
- struct drm_connector *connector;
- struct mdfld_dsi_encoder *encoder;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct panel_info dsi_panel_info;
- u32 width_mm, height_mm;
-
- dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
-
- if (pipe != 0 && pipe != 2) {
- DRM_ERROR("Invalid parameter\n");
- return;
- }
-
- /*create a new connector*/
- dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
- if (!dsi_connector) {
- DRM_ERROR("No memory");
- return;
- }
-
- dsi_connector->pipe = pipe;
-
- dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
- GFP_KERNEL);
- if (!dsi_config) {
- DRM_ERROR("cannot allocate memory for DSI config\n");
- goto dsi_init_err0;
- }
- mdfld_dsi_get_default_config(dev, dsi_config, pipe);
-
- dsi_connector->private = dsi_config;
-
- dsi_config->changed = 1;
- dsi_config->dev = dev;
-
- dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
- if (p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
- goto dsi_init_err0;
-
- width_mm = dsi_panel_info.width_mm;
- height_mm = dsi_panel_info.height_mm;
-
- dsi_config->mode = dsi_config->fixed_mode;
- dsi_config->connector = dsi_connector;
-
- if (!dsi_config->fixed_mode) {
- DRM_ERROR("No panel fixed mode was found\n");
- goto dsi_init_err0;
- }
-
- if (pipe && dev_priv->dsi_configs[0]) {
- dsi_config->dvr_ic_inited = 0;
- dev_priv->dsi_configs[1] = dsi_config;
- } else if (pipe == 0) {
- dsi_config->dvr_ic_inited = 1;
- dev_priv->dsi_configs[0] = dsi_config;
- } else {
- DRM_ERROR("Trying to init MIPI1 before MIPI0\n");
- goto dsi_init_err0;
- }
-
-
- connector = &dsi_connector->base.base;
- dsi_connector->base.save = mdfld_dsi_connector_save;
- dsi_connector->base.restore = mdfld_dsi_connector_restore;
-
- drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
- DRM_MODE_CONNECTOR_LVDS);
- drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
-
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
- connector->display_info.width_mm = width_mm;
- connector->display_info.height_mm = height_mm;
- connector->interlace_allowed = false;
- connector->doublescan_allowed = false;
-
- /*attach properties*/
- drm_object_attach_property(&connector->base,
- dev->mode_config.scaling_mode_property,
- DRM_MODE_SCALE_FULLSCREEN);
- drm_object_attach_property(&connector->base,
- dev_priv->backlight_property,
- MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
- /*init DSI package sender on this output*/
- if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
- DRM_ERROR("Package Sender initialization failed on pipe %d\n",
- pipe);
- goto dsi_init_err0;
- }
-
- encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
- if (!encoder) {
- DRM_ERROR("Create DPI encoder failed\n");
- goto dsi_init_err1;
- }
- encoder->private = dsi_config;
- dsi_config->encoder = encoder;
- encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI :
- INTEL_OUTPUT_MIPI2;
- drm_connector_register(connector);
- return;
-
- /*TODO: add code to destroy outputs on error*/
-dsi_init_err1:
- /*destroy sender*/
- mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
-
- drm_connector_cleanup(connector);
-
- kfree(dsi_config->fixed_mode);
- kfree(dsi_config);
-dsi_init_err0:
- kfree(dsi_connector);
-}
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_OUTPUT_H__
-#define __MDFLD_DSI_OUTPUT_H__
-
-#include <linux/backlight.h>
-
-#include <asm/intel-mid.h>
-
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "mdfld_output.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-
-#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
-#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
-#define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end))
-#define FLD_MOD(orig, val, start, end) \
- (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
-
-#define REG_FLD_MOD(reg, val, start, end) \
- REG_WRITE(reg, FLD_MOD(REG_READ(reg), val, start, end))
-
-static inline int REGISTER_FLD_WAIT(struct drm_device *dev, u32 reg,
- u32 val, int start, int end)
-{
- int t = 100000;
-
- while (FLD_GET(REG_READ(reg), start, end) != val) {
- if (--t == 0)
- return 1;
- }
-
- return 0;
-}
-
-#define REG_FLD_WAIT(reg, val, start, end) \
- REGISTER_FLD_WAIT(dev, reg, val, start, end)
-
-#define REG_BIT_WAIT(reg, val, bitnum) \
- REGISTER_FLD_WAIT(dev, reg, val, bitnum, bitnum)
-
-#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100
-
-#ifdef DEBUG
-#define CHECK_PIPE(pipe) ({ \
- const typeof(pipe) __pipe = (pipe); \
- BUG_ON(__pipe != 0 && __pipe != 2); \
- __pipe; })
-#else
-#define CHECK_PIPE(pipe) (pipe)
-#endif
-
-/*
- * Actual MIPIA->MIPIC reg offset is 0x800, value 0x400 is valid for 0 and 2
- */
-#define REG_OFFSET(pipe) (CHECK_PIPE(pipe) * 0x400)
-
-/* mdfld DSI controller registers */
-#define MIPI_DEVICE_READY_REG(pipe) (0xb000 + REG_OFFSET(pipe))
-#define MIPI_INTR_STAT_REG(pipe) (0xb004 + REG_OFFSET(pipe))
-#define MIPI_INTR_EN_REG(pipe) (0xb008 + REG_OFFSET(pipe))
-#define MIPI_DSI_FUNC_PRG_REG(pipe) (0xb00c + REG_OFFSET(pipe))
-#define MIPI_HS_TX_TIMEOUT_REG(pipe) (0xb010 + REG_OFFSET(pipe))
-#define MIPI_LP_RX_TIMEOUT_REG(pipe) (0xb014 + REG_OFFSET(pipe))
-#define MIPI_TURN_AROUND_TIMEOUT_REG(pipe) (0xb018 + REG_OFFSET(pipe))
-#define MIPI_DEVICE_RESET_TIMER_REG(pipe) (0xb01c + REG_OFFSET(pipe))
-#define MIPI_DPI_RESOLUTION_REG(pipe) (0xb020 + REG_OFFSET(pipe))
-#define MIPI_DBI_FIFO_THROTTLE_REG(pipe) (0xb024 + REG_OFFSET(pipe))
-#define MIPI_HSYNC_COUNT_REG(pipe) (0xb028 + REG_OFFSET(pipe))
-#define MIPI_HBP_COUNT_REG(pipe) (0xb02c + REG_OFFSET(pipe))
-#define MIPI_HFP_COUNT_REG(pipe) (0xb030 + REG_OFFSET(pipe))
-#define MIPI_HACTIVE_COUNT_REG(pipe) (0xb034 + REG_OFFSET(pipe))
-#define MIPI_VSYNC_COUNT_REG(pipe) (0xb038 + REG_OFFSET(pipe))
-#define MIPI_VBP_COUNT_REG(pipe) (0xb03c + REG_OFFSET(pipe))
-#define MIPI_VFP_COUNT_REG(pipe) (0xb040 + REG_OFFSET(pipe))
-#define MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe) (0xb044 + REG_OFFSET(pipe))
-#define MIPI_DPI_CONTROL_REG(pipe) (0xb048 + REG_OFFSET(pipe))
-#define MIPI_DPI_DATA_REG(pipe) (0xb04c + REG_OFFSET(pipe))
-#define MIPI_INIT_COUNT_REG(pipe) (0xb050 + REG_OFFSET(pipe))
-#define MIPI_MAX_RETURN_PACK_SIZE_REG(pipe) (0xb054 + REG_OFFSET(pipe))
-#define MIPI_VIDEO_MODE_FORMAT_REG(pipe) (0xb058 + REG_OFFSET(pipe))
-#define MIPI_EOT_DISABLE_REG(pipe) (0xb05c + REG_OFFSET(pipe))
-#define MIPI_LP_BYTECLK_REG(pipe) (0xb060 + REG_OFFSET(pipe))
-#define MIPI_LP_GEN_DATA_REG(pipe) (0xb064 + REG_OFFSET(pipe))
-#define MIPI_HS_GEN_DATA_REG(pipe) (0xb068 + REG_OFFSET(pipe))
-#define MIPI_LP_GEN_CTRL_REG(pipe) (0xb06c + REG_OFFSET(pipe))
-#define MIPI_HS_GEN_CTRL_REG(pipe) (0xb070 + REG_OFFSET(pipe))
-#define MIPI_GEN_FIFO_STAT_REG(pipe) (0xb074 + REG_OFFSET(pipe))
-#define MIPI_HS_LS_DBI_ENABLE_REG(pipe) (0xb078 + REG_OFFSET(pipe))
-#define MIPI_DPHY_PARAM_REG(pipe) (0xb080 + REG_OFFSET(pipe))
-#define MIPI_DBI_BW_CTRL_REG(pipe) (0xb084 + REG_OFFSET(pipe))
-#define MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe) (0xb088 + REG_OFFSET(pipe))
-
-#define MIPI_CTRL_REG(pipe) (0xb104 + REG_OFFSET(pipe))
-#define MIPI_DATA_ADD_REG(pipe) (0xb108 + REG_OFFSET(pipe))
-#define MIPI_DATA_LEN_REG(pipe) (0xb10c + REG_OFFSET(pipe))
-#define MIPI_CMD_ADD_REG(pipe) (0xb110 + REG_OFFSET(pipe))
-#define MIPI_CMD_LEN_REG(pipe) (0xb114 + REG_OFFSET(pipe))
-
-/* non-uniform reg offset */
-#define MIPI_PORT_CONTROL(pipe) (CHECK_PIPE(pipe) ? MIPI_C : MIPI)
-
-#define DSI_DEVICE_READY (0x1)
-#define DSI_POWER_STATE_ULPS_ENTER (0x2 << 1)
-#define DSI_POWER_STATE_ULPS_EXIT (0x1 << 1)
-#define DSI_POWER_STATE_ULPS_OFFSET (0x1)
-
-
-#define DSI_ONE_DATA_LANE (0x1)
-#define DSI_TWO_DATA_LANE (0x2)
-#define DSI_THREE_DATA_LANE (0X3)
-#define DSI_FOUR_DATA_LANE (0x4)
-#define DSI_DPI_VIRT_CHANNEL_OFFSET (0x3)
-#define DSI_DBI_VIRT_CHANNEL_OFFSET (0x5)
-#define DSI_DPI_COLOR_FORMAT_RGB565 (0x01 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666 (0x02 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK (0x03 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB888 (0x04 << 7)
-#define DSI_DBI_COLOR_FORMAT_OPTION2 (0x05 << 13)
-
-#define DSI_INTR_STATE_RXSOTERROR BIT(0)
-
-#define DSI_INTR_STATE_SPL_PKG_SENT BIT(30)
-#define DSI_INTR_STATE_TE BIT(31)
-
-#define DSI_HS_TX_TIMEOUT_MASK (0xffffff)
-
-#define DSI_LP_RX_TIMEOUT_MASK (0xffffff)
-
-#define DSI_TURN_AROUND_TIMEOUT_MASK (0x3f)
-
-#define DSI_RESET_TIMER_MASK (0xffff)
-
-#define DSI_DBI_FIFO_WM_HALF (0x0)
-#define DSI_DBI_FIFO_WM_QUARTER (0x1)
-#define DSI_DBI_FIFO_WM_LOW (0x2)
-
-#define DSI_DPI_TIMING_MASK (0xffff)
-
-#define DSI_INIT_TIMER_MASK (0xffff)
-
-#define DSI_DBI_RETURN_PACK_SIZE_MASK (0x3ff)
-
-#define DSI_LP_BYTECLK_MASK (0x0ffff)
-
-#define DSI_HS_CTRL_GEN_SHORT_W0 (0x03)
-#define DSI_HS_CTRL_GEN_SHORT_W1 (0x13)
-#define DSI_HS_CTRL_GEN_SHORT_W2 (0x23)
-#define DSI_HS_CTRL_GEN_R0 (0x04)
-#define DSI_HS_CTRL_GEN_R1 (0x14)
-#define DSI_HS_CTRL_GEN_R2 (0x24)
-#define DSI_HS_CTRL_GEN_LONG_W (0x29)
-#define DSI_HS_CTRL_MCS_SHORT_W0 (0x05)
-#define DSI_HS_CTRL_MCS_SHORT_W1 (0x15)
-#define DSI_HS_CTRL_MCS_R0 (0x06)
-#define DSI_HS_CTRL_MCS_LONG_W (0x39)
-#define DSI_HS_CTRL_VC_OFFSET (0x06)
-#define DSI_HS_CTRL_WC_OFFSET (0x08)
-
-#define DSI_FIFO_GEN_HS_DATA_FULL BIT(0)
-#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY BIT(1)
-#define DSI_FIFO_GEN_HS_DATA_EMPTY BIT(2)
-#define DSI_FIFO_GEN_LP_DATA_FULL BIT(8)
-#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY BIT(9)
-#define DSI_FIFO_GEN_LP_DATA_EMPTY BIT(10)
-#define DSI_FIFO_GEN_HS_CTRL_FULL BIT(16)
-#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY BIT(17)
-#define DSI_FIFO_GEN_HS_CTRL_EMPTY BIT(18)
-#define DSI_FIFO_GEN_LP_CTRL_FULL BIT(24)
-#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY BIT(25)
-#define DSI_FIFO_GEN_LP_CTRL_EMPTY BIT(26)
-#define DSI_FIFO_DBI_EMPTY BIT(27)
-#define DSI_FIFO_DPI_EMPTY BIT(28)
-
-#define DSI_DBI_HS_LP_SWITCH_MASK (0x1)
-
-#define DSI_HS_LP_SWITCH_COUNTER_OFFSET (0x0)
-#define DSI_LP_HS_SWITCH_COUNTER_OFFSET (0x16)
-
-#define DSI_DPI_CTRL_HS_SHUTDOWN (0x00000001)
-#define DSI_DPI_CTRL_HS_TURN_ON (0x00000002)
-
-/*dsi power modes*/
-#define DSI_POWER_MODE_DISPLAY_ON BIT(2)
-#define DSI_POWER_MODE_NORMAL_ON BIT(3)
-#define DSI_POWER_MODE_SLEEP_OUT BIT(4)
-#define DSI_POWER_MODE_PARTIAL_ON BIT(5)
-#define DSI_POWER_MODE_IDLE_ON BIT(6)
-
-enum {
- MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1,
- MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2,
- MDFLD_DSI_VIDEO_BURST_MODE = 3,
-};
-
-#define DSI_DPI_COMPLETE_LAST_LINE BIT(2)
-#define DSI_DPI_DISABLE_BTA BIT(3)
-
-struct mdfld_dsi_connector {
- struct gma_connector base;
-
- int pipe;
- void *private;
- void *pkg_sender;
-
- /* Connection status */
- enum drm_connector_status status;
-};
-
-struct mdfld_dsi_encoder {
- struct gma_encoder base;
- void *private;
-};
-
-/*
- * DSI config, consists of one DSI connector, two DSI encoders.
- * DRM will pick up on DSI encoder basing on differents configs.
- */
-struct mdfld_dsi_config {
- struct drm_device *dev;
- struct drm_display_mode *fixed_mode;
- struct drm_display_mode *mode;
-
- struct mdfld_dsi_connector *connector;
- struct mdfld_dsi_encoder *encoder;
-
- int changed;
-
- int bpp;
- int lane_count;
- /*Virtual channel number for this encoder*/
- int channel_num;
- /*video mode configure*/
- int video_mode;
-
- int dvr_ic_inited;
-};
-
-static inline struct mdfld_dsi_connector *mdfld_dsi_connector(
- struct drm_connector *connector)
-{
- struct gma_connector *gma_connector;
-
- gma_connector = to_gma_connector(connector);
-
- return container_of(gma_connector, struct mdfld_dsi_connector, base);
-}
-
-static inline struct mdfld_dsi_encoder *mdfld_dsi_encoder(
- struct drm_encoder *encoder)
-{
- struct gma_encoder *gma_encoder;
-
- gma_encoder = to_gma_encoder(encoder);
-
- return container_of(gma_encoder, struct mdfld_dsi_encoder, base);
-}
-
-static inline struct mdfld_dsi_config *
- mdfld_dsi_get_config(struct mdfld_dsi_connector *connector)
-{
- if (!connector)
- return NULL;
- return (struct mdfld_dsi_config *)connector->private;
-}
-
-static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config)
-{
- struct mdfld_dsi_connector *dsi_connector;
-
- if (!config)
- return NULL;
-
- dsi_connector = config->connector;
-
- if (!dsi_connector)
- return NULL;
-
- return dsi_connector->pkg_sender;
-}
-
-static inline struct mdfld_dsi_config *
- mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder)
-{
- if (!encoder)
- return NULL;
- return (struct mdfld_dsi_config *)encoder->private;
-}
-
-static inline struct mdfld_dsi_connector *
- mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder)
-{
- struct mdfld_dsi_config *config;
-
- if (!encoder)
- return NULL;
-
- config = mdfld_dsi_encoder_get_config(encoder);
- if (!config)
- return NULL;
-
- return config->connector;
-}
-
-static inline void *mdfld_dsi_encoder_get_pkg_sender(
- struct mdfld_dsi_encoder *encoder)
-{
- struct mdfld_dsi_config *dsi_config;
-
- dsi_config = mdfld_dsi_encoder_get_config(encoder);
- if (!dsi_config)
- return NULL;
-
- return mdfld_dsi_get_pkg_sender(dsi_config);
-}
-
-static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder)
-{
- struct mdfld_dsi_connector *connector;
-
- if (!encoder)
- return -1;
-
- connector = mdfld_dsi_encoder_get_connector(encoder);
- if (!connector)
- return -1;
- return connector->pipe;
-}
-
-/* Export functions */
-extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev,
- u32 gen_fifo_stat_reg, u32 fifo_stat);
-extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config,
- int pipe);
-extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe,
- int level);
-extern void mdfld_dsi_output_init(struct drm_device *dev,
- int pipe,
- const struct panel_funcs *p_vid_funcs);
-extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
- int pipe);
-
-extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
- u32 *mode, bool hs);
-extern int mdfld_dsi_panel_reset(struct drm_device *dev, int pipe);
-
-#endif /*__MDFLD_DSI_OUTPUT_H__*/
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/delay.h>
-#include <linux/freezer.h>
-
-#include <video/mipi_display.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#define MDFLD_DSI_READ_MAX_COUNT 5000
-
-enum {
- MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
-};
-
-enum {
- MDFLD_DSI_PKG_SENDER_FREE = 0x0,
- MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
-};
-
-static const char *const dsi_errors[] = {
- "RX SOT Error",
- "RX SOT Sync Error",
- "RX EOT Sync Error",
- "RX Escape Mode Entry Error",
- "RX LP TX Sync Error",
- "RX HS Receive Timeout Error",
- "RX False Control Error",
- "RX ECC Single Bit Error",
- "RX ECC Multibit Error",
- "RX Checksum Error",
- "RX DSI Data Type Not Recognised",
- "RX DSI VC ID Invalid",
- "TX False Control Error",
- "TX ECC Single Bit Error",
- "TX ECC Multibit Error",
- "TX Checksum Error",
- "TX DSI Data Type Not Recognised",
- "TX DSI VC ID invalid",
- "High Contention",
- "Low contention",
- "DPI FIFO Under run",
- "HS TX Timeout",
- "LP RX Timeout",
- "Turn Around ACK Timeout",
- "ACK With No Error",
- "RX Invalid TX Length",
- "RX Prot Violation",
- "HS Generic Write FIFO Full",
- "LP Generic Write FIFO Full",
- "Generic Read Data Avail",
- "Special Packet Sent",
- "Tearing Effect",
-};
-
-static inline int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender,
- u32 mask)
-{
- struct drm_device *dev = sender->dev;
- u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg;
- int retry = 0xffff;
-
- while (retry--) {
- if ((mask & REG_READ(gen_fifo_stat_reg)) == mask)
- return 0;
- udelay(100);
- }
- DRM_ERROR("fifo is NOT empty 0x%08x\n", REG_READ(gen_fifo_stat_reg));
- return -EIO;
-}
-
-static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
- return wait_for_gen_fifo_empty(sender, (BIT(2) | BIT(10) | BIT(18) |
- BIT(26) | BIT(27) | BIT(28)));
-}
-
-static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
- return wait_for_gen_fifo_empty(sender, (BIT(10) | BIT(26)));
-}
-
-static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
- return wait_for_gen_fifo_empty(sender, (BIT(2) | BIT(18)));
-}
-
-static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask)
-{
- u32 intr_stat_reg = sender->mipi_intr_stat_reg;
- struct drm_device *dev = sender->dev;
-
- dev_dbg(sender->dev->dev, "Handling error 0x%08x\n", mask);
-
- switch (mask) {
- case BIT(0):
- case BIT(1):
- case BIT(2):
- case BIT(3):
- case BIT(4):
- case BIT(5):
- case BIT(6):
- case BIT(7):
- case BIT(8):
- case BIT(9):
- case BIT(10):
- case BIT(11):
- case BIT(12):
- case BIT(13):
- dev_dbg(sender->dev->dev, "No Action required\n");
- break;
- case BIT(14):
- /*wait for all fifo empty*/
- /*wait_for_all_fifos_empty(sender)*/
- break;
- case BIT(15):
- dev_dbg(sender->dev->dev, "No Action required\n");
- break;
- case BIT(16):
- break;
- case BIT(17):
- break;
- case BIT(18):
- case BIT(19):
- dev_dbg(sender->dev->dev, "High/Low contention detected\n");
- /*wait for contention recovery time*/
- /*mdelay(10);*/
- /*wait for all fifo empty*/
- if (0)
- wait_for_all_fifos_empty(sender);
- break;
- case BIT(20):
- dev_dbg(sender->dev->dev, "No Action required\n");
- break;
- case BIT(21):
- /*wait for all fifo empty*/
- /*wait_for_all_fifos_empty(sender);*/
- break;
- case BIT(22):
- break;
- case BIT(23):
- case BIT(24):
- case BIT(25):
- case BIT(26):
- case BIT(27):
- dev_dbg(sender->dev->dev, "HS Gen fifo full\n");
- REG_WRITE(intr_stat_reg, mask);
- wait_for_hs_fifos_empty(sender);
- break;
- case BIT(28):
- dev_dbg(sender->dev->dev, "LP Gen fifo full\n");
- REG_WRITE(intr_stat_reg, mask);
- wait_for_lp_fifos_empty(sender);
- break;
- case BIT(29):
- case BIT(30):
- case BIT(31):
- dev_dbg(sender->dev->dev, "No Action required\n");
- break;
- }
-
- if (mask & REG_READ(intr_stat_reg))
- dev_dbg(sender->dev->dev,
- "Cannot clean interrupt 0x%08x\n", mask);
- return 0;
-}
-
-static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender)
-{
- struct drm_device *dev = sender->dev;
- u32 intr_stat_reg = sender->mipi_intr_stat_reg;
- u32 mask;
- u32 intr_stat;
- int i;
- int err = 0;
-
- intr_stat = REG_READ(intr_stat_reg);
-
- for (i = 0; i < 32; i++) {
- mask = (0x00000001UL) << i;
- if (intr_stat & mask) {
- dev_dbg(sender->dev->dev, "[DSI]: %s\n", dsi_errors[i]);
- err = handle_dsi_error(sender, mask);
- if (err)
- DRM_ERROR("Cannot handle error\n");
- }
- }
- return err;
-}
-
-static int send_short_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 cmd, u8 param, bool hs)
-{
- struct drm_device *dev = sender->dev;
- u32 ctrl_reg;
- u32 val;
- u8 virtual_channel = 0;
-
- if (hs) {
- ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-
- /* FIXME: wait_for_hs_fifos_empty(sender); */
- } else {
- ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-
- /* FIXME: wait_for_lp_fifos_empty(sender); */
- }
-
- val = FLD_VAL(param, 23, 16) | FLD_VAL(cmd, 15, 8) |
- FLD_VAL(virtual_channel, 7, 6) | FLD_VAL(data_type, 5, 0);
-
- REG_WRITE(ctrl_reg, val);
-
- return 0;
-}
-
-static int send_long_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 *data, int len, bool hs)
-{
- struct drm_device *dev = sender->dev;
- u32 ctrl_reg;
- u32 data_reg;
- u32 val;
- u8 *p;
- u8 b1, b2, b3, b4;
- u8 virtual_channel = 0;
- int i;
-
- if (hs) {
- ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
- data_reg = sender->mipi_hs_gen_data_reg;
-
- /* FIXME: wait_for_hs_fifos_empty(sender); */
- } else {
- ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
- data_reg = sender->mipi_lp_gen_data_reg;
-
- /* FIXME: wait_for_lp_fifos_empty(sender); */
- }
-
- p = data;
- for (i = 0; i < len / 4; i++) {
- b1 = *p++;
- b2 = *p++;
- b3 = *p++;
- b4 = *p++;
-
- REG_WRITE(data_reg, b4 << 24 | b3 << 16 | b2 << 8 | b1);
- }
-
- i = len % 4;
- if (i) {
- b1 = 0; b2 = 0; b3 = 0;
-
- switch (i) {
- case 3:
- b1 = *p++;
- b2 = *p++;
- b3 = *p++;
- break;
- case 2:
- b1 = *p++;
- b2 = *p++;
- break;
- case 1:
- b1 = *p++;
- break;
- }
-
- REG_WRITE(data_reg, b3 << 16 | b2 << 8 | b1);
- }
-
- val = FLD_VAL(len, 23, 8) | FLD_VAL(virtual_channel, 7, 6) |
- FLD_VAL(data_type, 5, 0);
-
- REG_WRITE(ctrl_reg, val);
-
- return 0;
-}
-
-static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 *data, u16 len)
-{
- u8 cmd;
-
- switch (data_type) {
- case MIPI_DSI_DCS_SHORT_WRITE:
- case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
- case MIPI_DSI_DCS_LONG_WRITE:
- cmd = *data;
- break;
- default:
- return 0;
- }
-
- /*this prevents other package sending while doing msleep*/
- sender->status = MDFLD_DSI_PKG_SENDER_BUSY;
-
- /*wait for 120 milliseconds in case exit_sleep_mode just be sent*/
- if (unlikely(cmd == MIPI_DCS_ENTER_SLEEP_MODE)) {
- /*TODO: replace it with msleep later*/
- mdelay(120);
- }
-
- if (unlikely(cmd == MIPI_DCS_EXIT_SLEEP_MODE)) {
- /*TODO: replace it with msleep later*/
- mdelay(120);
- }
- return 0;
-}
-
-static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 *data, u16 len)
-{
- u8 cmd;
-
- switch (data_type) {
- case MIPI_DSI_DCS_SHORT_WRITE:
- case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
- case MIPI_DSI_DCS_LONG_WRITE:
- cmd = *data;
- break;
- default:
- return 0;
- }
-
- /*update panel status*/
- if (unlikely(cmd == MIPI_DCS_ENTER_SLEEP_MODE)) {
- sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP;
- /*TODO: replace it with msleep later*/
- mdelay(120);
- } else if (unlikely(cmd == MIPI_DCS_EXIT_SLEEP_MODE)) {
- sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP;
- /*TODO: replace it with msleep later*/
- mdelay(120);
- } else if (unlikely(cmd == MIPI_DCS_SOFT_RESET)) {
- /*TODO: replace it with msleep later*/
- mdelay(5);
- }
-
- sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-
- return 0;
-}
-
-static int send_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 *data, u16 len, bool hs)
-{
- int ret;
-
- /*handle DSI error*/
- ret = dsi_error_handler(sender);
- if (ret) {
- DRM_ERROR("Error handling failed\n");
- return -EAGAIN;
- }
-
- /* send pkg */
- if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) {
- DRM_ERROR("sender is busy\n");
- return -EAGAIN;
- }
-
- ret = send_pkg_prepare(sender, data_type, data, len);
- if (ret) {
- DRM_ERROR("send_pkg_prepare error\n");
- return ret;
- }
-
- switch (data_type) {
- case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM:
- case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM:
- case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM:
- case MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM:
- case MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM:
- case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM:
- case MIPI_DSI_DCS_SHORT_WRITE:
- case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
- case MIPI_DSI_DCS_READ:
- ret = send_short_pkg(sender, data_type, data[0], data[1], hs);
- break;
- case MIPI_DSI_GENERIC_LONG_WRITE:
- case MIPI_DSI_DCS_LONG_WRITE:
- ret = send_long_pkg(sender, data_type, data, len, hs);
- break;
- }
-
- send_pkg_done(sender, data_type, data, len);
-
- /*FIXME: should I query complete and fifo empty here?*/
-
- return ret;
-}
-
-int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
- u32 len, bool hs)
-{
- unsigned long flags;
-
- if (!sender || !data || !len) {
- DRM_ERROR("Invalid parameters\n");
- return -EINVAL;
- }
-
- spin_lock_irqsave(&sender->lock, flags);
- send_pkg(sender, MIPI_DSI_DCS_LONG_WRITE, data, len, hs);
- spin_unlock_irqrestore(&sender->lock, flags);
-
- return 0;
-}
-
-int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
- u8 param, u8 param_num, bool hs)
-{
- u8 data[2];
- unsigned long flags;
- u8 data_type;
-
- if (!sender) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- data[0] = cmd;
-
- if (param_num) {
- data_type = MIPI_DSI_DCS_SHORT_WRITE_PARAM;
- data[1] = param;
- } else {
- data_type = MIPI_DSI_DCS_SHORT_WRITE;
- data[1] = 0;
- }
-
- spin_lock_irqsave(&sender->lock, flags);
- send_pkg(sender, data_type, data, sizeof(data), hs);
- spin_unlock_irqrestore(&sender->lock, flags);
-
- return 0;
-}
-
-int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, u8 param0,
- u8 param1, u8 param_num, bool hs)
-{
- u8 data[2];
- unsigned long flags;
- u8 data_type;
-
- if (!sender || param_num > 2) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- switch (param_num) {
- case 0:
- data_type = MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM;
- data[0] = 0;
- data[1] = 0;
- break;
- case 1:
- data_type = MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM;
- data[0] = param0;
- data[1] = 0;
- break;
- case 2:
- data_type = MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM;
- data[0] = param0;
- data[1] = param1;
- break;
- }
-
- spin_lock_irqsave(&sender->lock, flags);
- send_pkg(sender, data_type, data, sizeof(data), hs);
- spin_unlock_irqrestore(&sender->lock, flags);
-
- return 0;
-}
-
-int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
- u32 len, bool hs)
-{
- unsigned long flags;
-
- if (!sender || !data || !len) {
- DRM_ERROR("Invalid parameters\n");
- return -EINVAL;
- }
-
- spin_lock_irqsave(&sender->lock, flags);
- send_pkg(sender, MIPI_DSI_GENERIC_LONG_WRITE, data, len, hs);
- spin_unlock_irqrestore(&sender->lock, flags);
-
- return 0;
-}
-
-static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
- u8 *data, u16 len, u32 *data_out, u16 len_out, bool hs)
-{
- unsigned long flags;
- struct drm_device *dev;
- int i;
- u32 gen_data_reg;
- int retry = MDFLD_DSI_READ_MAX_COUNT;
-
- if (!sender || !data_out || !len_out) {
- DRM_ERROR("Invalid parameters\n");
- return -EINVAL;
- }
-
- dev = sender->dev;
-
- /**
- * do reading.
- * 0) send out generic read request
- * 1) polling read data avail interrupt
- * 2) read data
- */
- spin_lock_irqsave(&sender->lock, flags);
-
- REG_WRITE(sender->mipi_intr_stat_reg, BIT(29));
-
- if ((REG_READ(sender->mipi_intr_stat_reg) & BIT(29)))
- DRM_ERROR("Can NOT clean read data valid interrupt\n");
-
- /*send out read request*/
- send_pkg(sender, data_type, data, len, hs);
-
- /*polling read data avail interrupt*/
- while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & BIT(29))) {
- udelay(100);
- retry--;
- }
-
- if (!retry) {
- spin_unlock_irqrestore(&sender->lock, flags);
- return -ETIMEDOUT;
- }
-
- REG_WRITE(sender->mipi_intr_stat_reg, BIT(29));
-
- /*read data*/
- if (hs)
- gen_data_reg = sender->mipi_hs_gen_data_reg;
- else
- gen_data_reg = sender->mipi_lp_gen_data_reg;
-
- for (i = 0; i < len_out; i++)
- *(data_out + i) = REG_READ(gen_data_reg);
-
- spin_unlock_irqrestore(&sender->lock, flags);
-
- return 0;
-}
-
-int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
- u32 *data, u16 len, bool hs)
-{
- if (!sender || !data || !len) {
- DRM_ERROR("Invalid parameters\n");
- return -EINVAL;
- }
-
- return __read_panel_data(sender, MIPI_DSI_DCS_READ, &cmd, 1,
- data, len, hs);
-}
-
-int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
- int pipe)
-{
- struct mdfld_dsi_pkg_sender *pkg_sender;
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- struct drm_device *dev = dsi_config->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- u32 mipi_val = 0;
-
- if (!dsi_connector) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- pkg_sender = dsi_connector->pkg_sender;
-
- if (!pkg_sender || IS_ERR(pkg_sender)) {
- pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
- GFP_KERNEL);
- if (!pkg_sender) {
- DRM_ERROR("Create DSI pkg sender failed\n");
- return -ENOMEM;
- }
- dsi_connector->pkg_sender = (void *)pkg_sender;
- }
-
- pkg_sender->dev = dev;
- pkg_sender->dsi_connector = dsi_connector;
- pkg_sender->pipe = pipe;
- pkg_sender->pkg_num = 0;
- pkg_sender->panel_mode = 0;
- pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-
- /*init regs*/
- /* FIXME: should just copy the regmap ptr ? */
- pkg_sender->dpll_reg = map->dpll;
- pkg_sender->dspcntr_reg = map->cntr;
- pkg_sender->pipeconf_reg = map->conf;
- pkg_sender->dsplinoff_reg = map->linoff;
- pkg_sender->dspsurf_reg = map->surf;
- pkg_sender->pipestat_reg = map->status;
-
- pkg_sender->mipi_intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
- pkg_sender->mipi_lp_gen_data_reg = MIPI_LP_GEN_DATA_REG(pipe);
- pkg_sender->mipi_hs_gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
- pkg_sender->mipi_lp_gen_ctrl_reg = MIPI_LP_GEN_CTRL_REG(pipe);
- pkg_sender->mipi_hs_gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
- pkg_sender->mipi_gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
- pkg_sender->mipi_data_addr_reg = MIPI_DATA_ADD_REG(pipe);
- pkg_sender->mipi_data_len_reg = MIPI_DATA_LEN_REG(pipe);
- pkg_sender->mipi_cmd_addr_reg = MIPI_CMD_ADD_REG(pipe);
- pkg_sender->mipi_cmd_len_reg = MIPI_CMD_LEN_REG(pipe);
-
- /*init lock*/
- spin_lock_init(&pkg_sender->lock);
-
- if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
- /**
- * For video mode, don't enable DPI timing output here,
- * will init the DPI timing output during mode setting.
- */
- mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-
- if (pipe == 0)
- mipi_val |= 0x2;
-
- REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi_val);
- REG_READ(MIPI_PORT_CONTROL(pipe));
-
- /* do dsi controller init */
- mdfld_dsi_controller_init(dsi_config, pipe);
- }
-
- return 0;
-}
-
-void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
- if (!sender || IS_ERR(sender))
- return;
-
- /*free*/
- kfree(sender);
-}
-
-
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-#ifndef __MDFLD_DSI_PKG_SENDER_H__
-#define __MDFLD_DSI_PKG_SENDER_H__
-
-#include <linux/kthread.h>
-
-#define MDFLD_MAX_DCS_PARAM 8
-
-struct mdfld_dsi_pkg_sender {
- struct drm_device *dev;
- struct mdfld_dsi_connector *dsi_connector;
- u32 status;
- u32 panel_mode;
-
- int pipe;
-
- spinlock_t lock;
-
- u32 pkg_num;
-
- /* Registers */
- u32 dpll_reg;
- u32 dspcntr_reg;
- u32 pipeconf_reg;
- u32 pipestat_reg;
- u32 dsplinoff_reg;
- u32 dspsurf_reg;
-
- u32 mipi_intr_stat_reg;
- u32 mipi_lp_gen_data_reg;
- u32 mipi_hs_gen_data_reg;
- u32 mipi_lp_gen_ctrl_reg;
- u32 mipi_hs_gen_ctrl_reg;
- u32 mipi_gen_fifo_stat_reg;
- u32 mipi_data_addr_reg;
- u32 mipi_data_len_reg;
- u32 mipi_cmd_addr_reg;
- u32 mipi_cmd_len_reg;
-};
-
-extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
- int pipe);
-extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
-int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
- u8 param, u8 param_num, bool hs);
-int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
- u32 len, bool hs);
-int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, u8 param0,
- u8 param1, u8 param_num, bool hs);
-int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
- u32 len, bool hs);
-/* Read interfaces */
-int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
- u32 *data, u16 len, bool hs);
-
-#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_fourcc.h>
-
-#include "framebuffer.h"
-#include "gma_display.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "psb_intel_reg.h"
-
-/* Hardcoded currently */
-static int ksel = KSEL_CRYSTAL_19;
-
-struct psb_intel_range_t {
- int min, max;
-};
-
-struct mrst_limit_t {
- struct psb_intel_range_t dot, m, p1;
-};
-
-struct mrst_clock_t {
- /* derived values */
- int dot;
- int m;
- int p1;
-};
-
-#define COUNT_MAX 0x10000000
-
-void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- int count, temp;
-
- switch (pipe) {
- case 0:
- case 1:
- case 2:
- break;
- default:
- DRM_ERROR("Illegal Pipe Number.\n");
- return;
- }
-
- /* FIXME JLIU7_PO */
- gma_wait_for_vblank(dev);
- return;
-
- /* Wait for for the pipe disable to take effect. */
- for (count = 0; count < COUNT_MAX; count++) {
- temp = REG_READ(map->conf);
- if ((temp & PIPEACONF_PIPE_STATE) == 0)
- break;
- }
-}
-
-void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- int count, temp;
-
- switch (pipe) {
- case 0:
- case 1:
- case 2:
- break;
- default:
- DRM_ERROR("Illegal Pipe Number.\n");
- return;
- }
-
- /* FIXME JLIU7_PO */
- gma_wait_for_vblank(dev);
- return;
-
- /* Wait for for the pipe enable to take effect. */
- for (count = 0; count < COUNT_MAX; count++) {
- temp = REG_READ(map->conf);
- if (temp & PIPEACONF_PIPE_STATE)
- break;
- }
-}
-
-/*
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
-{
- u32 pfit_control;
-
- pfit_control = REG_READ(PFIT_CONTROL);
-
- /* See if the panel fitter is in use */
- if ((pfit_control & PFIT_ENABLE) == 0)
- return -1;
-
- /* 965 can place panel fitter on either pipe */
- return (pfit_control >> 29) & 0x3;
-}
-
-static int check_fb(struct drm_framebuffer *fb)
-{
- if (!fb)
- return 0;
-
- switch (fb->format->cpp[0] * 8) {
- case 8:
- case 16:
- case 24:
- case 32:
- return 0;
- default:
- DRM_ERROR("Unknown color depth\n");
- return -EINVAL;
- }
-}
-
-static int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
- struct drm_framebuffer *old_fb)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct drm_framebuffer *fb = crtc->primary->fb;
- struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
- int pipe = gma_crtc->pipe;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- unsigned long start, offset;
- u32 dspcntr;
- int ret;
-
- dev_dbg(dev->dev, "pipe = 0x%x.\n", pipe);
-
- /* no fb bound */
- if (!fb) {
- dev_dbg(dev->dev, "No FB bound\n");
- return 0;
- }
-
- ret = check_fb(fb);
- if (ret)
- return ret;
-
- if (pipe > 2) {
- DRM_ERROR("Illegal Pipe Number.\n");
- return -EINVAL;
- }
-
- if (!gma_power_begin(dev, true))
- return 0;
-
- start = to_gtt_range(fb->obj[0])->offset;
- offset = y * fb->pitches[0] + x * fb->format->cpp[0];
-
- REG_WRITE(map->stride, fb->pitches[0]);
- dspcntr = REG_READ(map->cntr);
- dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
- switch (fb->format->cpp[0] * 8) {
- case 8:
- dspcntr |= DISPPLANE_8BPP;
- break;
- case 16:
- if (fb->format->depth == 15)
- dspcntr |= DISPPLANE_15_16BPP;
- else
- dspcntr |= DISPPLANE_16BPP;
- break;
- case 24:
- case 32:
- dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
- break;
- }
- REG_WRITE(map->cntr, dspcntr);
-
- dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n",
- start, offset, x, y);
- REG_WRITE(map->linoff, offset);
- REG_READ(map->linoff);
- REG_WRITE(map->surf, start);
- REG_READ(map->surf);
-
- gma_power_end(dev);
-
- return 0;
-}
-
-/*
- * Disable the pipe, plane and pll.
- *
- */
-void mdfld_disable_crtc(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- u32 temp;
-
- dev_dbg(dev->dev, "pipe = %d\n", pipe);
-
-
- if (pipe != 1)
- mdfld_dsi_gen_fifo_ready(dev, MIPI_GEN_FIFO_STAT_REG(pipe),
- HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
- /* Disable display plane */
- temp = REG_READ(map->cntr);
- if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
- REG_WRITE(map->cntr,
- temp & ~DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- REG_WRITE(map->base, REG_READ(map->base));
- REG_READ(map->base);
- }
-
- /* FIXME_JLIU7 MDFLD_PO revisit */
-
- /* Next, disable display pipes */
- temp = REG_READ(map->conf);
- if ((temp & PIPEACONF_ENABLE) != 0) {
- temp &= ~PIPEACONF_ENABLE;
- temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
- REG_WRITE(map->conf, temp);
- REG_READ(map->conf);
-
- /* Wait for for the pipe disable to take effect. */
- mdfldWaitForPipeDisable(dev, pipe);
- }
-
- temp = REG_READ(map->dpll);
- if (temp & DPLL_VCO_ENABLE) {
- if ((pipe != 1 &&
- !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF))
- & PIPEACONF_ENABLE)) || pipe == 1) {
- temp &= ~(DPLL_VCO_ENABLE);
- REG_WRITE(map->dpll, temp);
- REG_READ(map->dpll);
- /* Wait for the clocks to turn off. */
- /* FIXME_MDFLD PO may need more delay */
- udelay(500);
-
- if (!(temp & MDFLD_PWR_GATE_EN)) {
- /* gating power of DPLL */
- REG_WRITE(map->dpll, temp | MDFLD_PWR_GATE_EN);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(5000);
- }
- }
- }
-
-}
-
-/*
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
- int pipe = gma_crtc->pipe;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- u32 pipeconf = dev_priv->pipeconf[pipe];
- u32 temp;
- int timeout = 0;
-
- dev_dbg(dev->dev, "mode = %d, pipe = %d\n", mode, pipe);
-
- /* Note: Old code uses pipe a stat for pipe b but that appears
- to be a bug */
-
- if (!gma_power_begin(dev, true))
- return;
-
- /* XXX: When our outputs are all unaware of DPMS modes other than off
- * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
- */
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- /* Enable the DPLL */
- temp = REG_READ(map->dpll);
-
- if ((temp & DPLL_VCO_ENABLE) == 0) {
- /* When ungating power of DPLL, needs to wait 0.5us
- before enable the VCO */
- if (temp & MDFLD_PWR_GATE_EN) {
- temp &= ~MDFLD_PWR_GATE_EN;
- REG_WRITE(map->dpll, temp);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
- }
-
- REG_WRITE(map->dpll, temp);
- REG_READ(map->dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
-
- REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE);
- REG_READ(map->dpll);
-
- /**
- * wait for DSI PLL to lock
- * NOTE: only need to poll status of pipe 0 and pipe 1,
- * since both MIPI pipes share the same PLL.
- */
- while ((pipe != 2) && (timeout < 20000) &&
- !(REG_READ(map->conf) & PIPECONF_DSIPLL_LOCK)) {
- udelay(150);
- timeout++;
- }
- }
-
- /* Enable the plane */
- temp = REG_READ(map->cntr);
- if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
- REG_WRITE(map->cntr,
- temp | DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- REG_WRITE(map->base, REG_READ(map->base));
- }
-
- /* Enable the pipe */
- temp = REG_READ(map->conf);
- if ((temp & PIPEACONF_ENABLE) == 0) {
- REG_WRITE(map->conf, pipeconf);
-
- /* Wait for for the pipe enable to take effect. */
- mdfldWaitForPipeEnable(dev, pipe);
- }
-
- /*workaround for sighting 3741701 Random X blank display*/
- /*perform w/a in video mode only on pipe A or C*/
- if (pipe == 0 || pipe == 2) {
- REG_WRITE(map->status, REG_READ(map->status));
- msleep(100);
- if (PIPE_VBLANK_STATUS & REG_READ(map->status))
- dev_dbg(dev->dev, "OK");
- else {
- dev_dbg(dev->dev, "STUCK!!!!");
- /*shutdown controller*/
- temp = REG_READ(map->cntr);
- REG_WRITE(map->cntr,
- temp & ~DISPLAY_PLANE_ENABLE);
- REG_WRITE(map->base, REG_READ(map->base));
- /*mdfld_dsi_dpi_shut_down(dev, pipe);*/
- REG_WRITE(0xb048, 1);
- msleep(100);
- temp = REG_READ(map->conf);
- temp &= ~PIPEACONF_ENABLE;
- REG_WRITE(map->conf, temp);
- msleep(100); /*wait for pipe disable*/
- REG_WRITE(MIPI_DEVICE_READY_REG(pipe), 0);
- msleep(100);
- REG_WRITE(0xb004, REG_READ(0xb004));
- /* try to bring the controller back up again*/
- REG_WRITE(MIPI_DEVICE_READY_REG(pipe), 1);
- temp = REG_READ(map->cntr);
- REG_WRITE(map->cntr,
- temp | DISPLAY_PLANE_ENABLE);
- REG_WRITE(map->base, REG_READ(map->base));
- /*mdfld_dsi_dpi_turn_on(dev, pipe);*/
- REG_WRITE(0xb048, 2);
- msleep(100);
- temp = REG_READ(map->conf);
- temp |= PIPEACONF_ENABLE;
- REG_WRITE(map->conf, temp);
- }
- }
-
- gma_crtc_load_lut(crtc);
-
- /* Give the overlay scaler a chance to enable
- if it's on this pipe */
- /* psb_intel_crtc_dpms_video(crtc, true); TODO */
-
- break;
- case DRM_MODE_DPMS_OFF:
- /* Give the overlay scaler a chance to disable
- * if it's on this pipe */
- /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
- if (pipe != 1)
- mdfld_dsi_gen_fifo_ready(dev,
- MIPI_GEN_FIFO_STAT_REG(pipe),
- HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
- /* Disable the VGA plane that we never use */
- REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
- /* Disable display plane */
- temp = REG_READ(map->cntr);
- if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
- REG_WRITE(map->cntr,
- temp & ~DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- REG_WRITE(map->base, REG_READ(map->base));
- REG_READ(map->base);
- }
-
- /* Next, disable display pipes */
- temp = REG_READ(map->conf);
- if ((temp & PIPEACONF_ENABLE) != 0) {
- temp &= ~PIPEACONF_ENABLE;
- temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
- REG_WRITE(map->conf, temp);
- REG_READ(map->conf);
-
- /* Wait for for the pipe disable to take effect. */
- mdfldWaitForPipeDisable(dev, pipe);
- }
-
- temp = REG_READ(map->dpll);
- if (temp & DPLL_VCO_ENABLE) {
- if ((pipe != 1 && !((REG_READ(PIPEACONF)
- | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
- || pipe == 1) {
- temp &= ~(DPLL_VCO_ENABLE);
- REG_WRITE(map->dpll, temp);
- REG_READ(map->dpll);
- /* Wait for the clocks to turn off. */
- /* FIXME_MDFLD PO may need more delay */
- udelay(500);
- }
- }
- break;
- }
- gma_power_end(dev);
-}
-
-
-#define MDFLD_LIMT_DPLL_19 0
-#define MDFLD_LIMT_DPLL_25 1
-#define MDFLD_LIMT_DPLL_83 2
-#define MDFLD_LIMT_DPLL_100 3
-#define MDFLD_LIMT_DSIPLL_19 4
-#define MDFLD_LIMT_DSIPLL_25 5
-#define MDFLD_LIMT_DSIPLL_83 6
-#define MDFLD_LIMT_DSIPLL_100 7
-
-#define MDFLD_DOT_MIN 19750
-#define MDFLD_DOT_MAX 120000
-#define MDFLD_DPLL_M_MIN_19 113
-#define MDFLD_DPLL_M_MAX_19 155
-#define MDFLD_DPLL_P1_MIN_19 2
-#define MDFLD_DPLL_P1_MAX_19 10
-#define MDFLD_DPLL_M_MIN_25 101
-#define MDFLD_DPLL_M_MAX_25 130
-#define MDFLD_DPLL_P1_MIN_25 2
-#define MDFLD_DPLL_P1_MAX_25 10
-#define MDFLD_DPLL_M_MIN_83 64
-#define MDFLD_DPLL_M_MAX_83 64
-#define MDFLD_DPLL_P1_MIN_83 2
-#define MDFLD_DPLL_P1_MAX_83 2
-#define MDFLD_DPLL_M_MIN_100 64
-#define MDFLD_DPLL_M_MAX_100 64
-#define MDFLD_DPLL_P1_MIN_100 2
-#define MDFLD_DPLL_P1_MAX_100 2
-#define MDFLD_DSIPLL_M_MIN_19 131
-#define MDFLD_DSIPLL_M_MAX_19 175
-#define MDFLD_DSIPLL_P1_MIN_19 3
-#define MDFLD_DSIPLL_P1_MAX_19 8
-#define MDFLD_DSIPLL_M_MIN_25 97
-#define MDFLD_DSIPLL_M_MAX_25 140
-#define MDFLD_DSIPLL_P1_MIN_25 3
-#define MDFLD_DSIPLL_P1_MAX_25 9
-#define MDFLD_DSIPLL_M_MIN_83 33
-#define MDFLD_DSIPLL_M_MAX_83 92
-#define MDFLD_DSIPLL_P1_MIN_83 2
-#define MDFLD_DSIPLL_P1_MAX_83 3
-#define MDFLD_DSIPLL_M_MIN_100 97
-#define MDFLD_DSIPLL_M_MAX_100 140
-#define MDFLD_DSIPLL_P1_MIN_100 3
-#define MDFLD_DSIPLL_P1_MAX_100 9
-
-static const struct mrst_limit_t mdfld_limits[] = {
- { /* MDFLD_LIMT_DPLL_19 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19},
- .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19},
- },
- { /* MDFLD_LIMT_DPLL_25 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25},
- .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25},
- },
- { /* MDFLD_LIMT_DPLL_83 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83},
- .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83},
- },
- { /* MDFLD_LIMT_DPLL_100 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100},
- .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100},
- },
- { /* MDFLD_LIMT_DSIPLL_19 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19},
- .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19},
- },
- { /* MDFLD_LIMT_DSIPLL_25 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25},
- .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25},
- },
- { /* MDFLD_LIMT_DSIPLL_83 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83},
- .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83},
- },
- { /* MDFLD_LIMT_DSIPLL_100 */
- .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
- .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100},
- .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100},
- },
-};
-
-#define MDFLD_M_MIN 21
-#define MDFLD_M_MAX 180
-static const u32 mdfld_m_converts[] = {
-/* M configuration table from 9-bit LFSR table */
- 224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */
- 173, 342, 171, 85, 298, 149, 74, 37, 18, 265, /* 31 - 40 */
- 388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */
- 83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */
- 341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */
- 461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */
- 106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */
- 71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */
- 253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */
- 478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */
- 477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */
- 210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */
- 145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */
- 380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */
- 103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */
- 396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */
-};
-
-static const struct mrst_limit_t *mdfld_limit(struct drm_crtc *crtc)
-{
- const struct mrst_limit_t *limit = NULL;
- struct drm_device *dev = crtc->dev;
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)
- || gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) {
- if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
- limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19];
- else if (ksel == KSEL_BYPASS_25)
- limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25];
- else if ((ksel == KSEL_BYPASS_83_100) &&
- (dev_priv->core_freq == 166))
- limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83];
- else if ((ksel == KSEL_BYPASS_83_100) &&
- (dev_priv->core_freq == 100 ||
- dev_priv->core_freq == 200))
- limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100];
- } else if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
- if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
- limit = &mdfld_limits[MDFLD_LIMT_DPLL_19];
- else if (ksel == KSEL_BYPASS_25)
- limit = &mdfld_limits[MDFLD_LIMT_DPLL_25];
- else if ((ksel == KSEL_BYPASS_83_100) &&
- (dev_priv->core_freq == 166))
- limit = &mdfld_limits[MDFLD_LIMT_DPLL_83];
- else if ((ksel == KSEL_BYPASS_83_100) &&
- (dev_priv->core_freq == 100 ||
- dev_priv->core_freq == 200))
- limit = &mdfld_limits[MDFLD_LIMT_DPLL_100];
- } else {
- limit = NULL;
- dev_dbg(dev->dev, "mdfld_limit Wrong display type.\n");
- }
-
- return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mdfld_clock(int refclk, struct mrst_clock_t *clock)
-{
- clock->dot = (refclk * clock->m) / clock->p1;
-}
-
-/*
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE. Divisor values are the actual divisors for
- */
-static bool
-mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
- struct mrst_clock_t *best_clock)
-{
- struct mrst_clock_t clock;
- const struct mrst_limit_t *limit = mdfld_limit(crtc);
- int err = target;
-
- memset(best_clock, 0, sizeof(*best_clock));
-
- for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
- for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
- clock.p1++) {
- int this_err;
-
- mdfld_clock(refclk, &clock);
-
- this_err = abs(clock.dot - target);
- if (this_err < err) {
- *best_clock = clock;
- err = this_err;
- }
- }
- }
- return err != target;
-}
-
-static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y,
- struct drm_framebuffer *old_fb)
-{
- struct drm_device *dev = crtc->dev;
- struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
- struct drm_psb_private *dev_priv = dev->dev_private;
- int pipe = gma_crtc->pipe;
- const struct psb_offset *map = &dev_priv->regmap[pipe];
- int refclk = 0;
- int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0,
- clk_tmp = 0;
- struct mrst_clock_t clock;
- bool ok;
- u32 dpll = 0, fp = 0;
- bool is_mipi = false, is_mipi2 = false, is_hdmi = false;
- struct drm_mode_config *mode_config = &dev->mode_config;
- struct gma_encoder *gma_encoder = NULL;
- uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
- struct drm_encoder *encoder;
- struct drm_connector *connector;
- int timeout = 0;
- int ret;
-
- dev_dbg(dev->dev, "pipe = 0x%x\n", pipe);
-
- ret = check_fb(crtc->primary->fb);
- if (ret)
- return ret;
-
- dev_dbg(dev->dev, "adjusted_hdisplay = %d\n",
- adjusted_mode->hdisplay);
- dev_dbg(dev->dev, "adjusted_vdisplay = %d\n",
- adjusted_mode->vdisplay);
- dev_dbg(dev->dev, "adjusted_hsync_start = %d\n",
- adjusted_mode->hsync_start);
- dev_dbg(dev->dev, "adjusted_hsync_end = %d\n",
- adjusted_mode->hsync_end);
- dev_dbg(dev->dev, "adjusted_htotal = %d\n",
- adjusted_mode->htotal);
- dev_dbg(dev->dev, "adjusted_vsync_start = %d\n",
- adjusted_mode->vsync_start);
- dev_dbg(dev->dev, "adjusted_vsync_end = %d\n",
- adjusted_mode->vsync_end);
- dev_dbg(dev->dev, "adjusted_vtotal = %d\n",
- adjusted_mode->vtotal);
- dev_dbg(dev->dev, "adjusted_clock = %d\n",
- adjusted_mode->clock);
- dev_dbg(dev->dev, "hdisplay = %d\n",
- mode->hdisplay);
- dev_dbg(dev->dev, "vdisplay = %d\n",
- mode->vdisplay);
-
- if (!gma_power_begin(dev, true))
- return 0;
-
- memcpy(&gma_crtc->saved_mode, mode,
- sizeof(struct drm_display_mode));
- memcpy(&gma_crtc->saved_adjusted_mode, adjusted_mode,
- sizeof(struct drm_display_mode));
-
- list_for_each_entry(connector, &mode_config->connector_list, head) {
- encoder = connector->encoder;
- if (!encoder)
- continue;
-
- if (encoder->crtc != crtc)
- continue;
-
- gma_encoder = gma_attached_encoder(connector);
-
- switch (gma_encoder->type) {
- case INTEL_OUTPUT_MIPI:
- is_mipi = true;
- break;
- case INTEL_OUTPUT_MIPI2:
- is_mipi2 = true;
- break;
- case INTEL_OUTPUT_HDMI:
- is_hdmi = true;
- break;
- }
- }
-
- /* Disable the VGA plane that we never use */
- REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
- /* Disable the panel fitter if it was on our pipe */
- if (psb_intel_panel_fitter_pipe(dev) == pipe)
- REG_WRITE(PFIT_CONTROL, 0);
-
- /* pipesrc and dspsize control the size that is scaled from,
- * which should always be the user's requested size.
- */
- if (pipe == 1) {
- /* FIXME: To make HDMI display with 864x480 (TPO), 480x864
- * (PYR) or 480x854 (TMD), set the sprite width/height and
- * souce image size registers with the adjusted mode for
- * pipe B.
- */
-
- /*
- * The defined sprite rectangle must always be completely
- * contained within the displayable area of the screen image
- * (frame buffer).
- */
- REG_WRITE(map->size, ((min(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16)
- | (min(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1));
- /* Set the CRTC with encoder mode. */
- REG_WRITE(map->src, ((mode->crtc_hdisplay - 1) << 16)
- | (mode->crtc_vdisplay - 1));
- } else {
- REG_WRITE(map->size,
- ((mode->crtc_vdisplay - 1) << 16) |
- (mode->crtc_hdisplay - 1));
- REG_WRITE(map->src,
- ((mode->crtc_hdisplay - 1) << 16) |
- (mode->crtc_vdisplay - 1));
- }
-
- REG_WRITE(map->pos, 0);
-
- if (gma_encoder)
- drm_object_property_get_value(&connector->base,
- dev->mode_config.scaling_mode_property, &scalingType);
-
- if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
- /* Medfield doesn't have register support for centering so we
- * need to mess with the h/vblank and h/vsync start and ends
- * to get centering
- */
- int offsetX = 0, offsetY = 0;
-
- offsetX = (adjusted_mode->crtc_hdisplay -
- mode->crtc_hdisplay) / 2;
- offsetY = (adjusted_mode->crtc_vdisplay -
- mode->crtc_vdisplay) / 2;
-
- REG_WRITE(map->htotal, (mode->crtc_hdisplay - 1) |
- ((adjusted_mode->crtc_htotal - 1) << 16));
- REG_WRITE(map->vtotal, (mode->crtc_vdisplay - 1) |
- ((adjusted_mode->crtc_vtotal - 1) << 16));
- REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start -
- offsetX - 1) |
- ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
- REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start -
- offsetX - 1) |
- ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
- REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start -
- offsetY - 1) |
- ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
- REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start -
- offsetY - 1) |
- ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
- } else {
- REG_WRITE(map->htotal, (adjusted_mode->crtc_hdisplay - 1) |
- ((adjusted_mode->crtc_htotal - 1) << 16));
- REG_WRITE(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) |
- ((adjusted_mode->crtc_vtotal - 1) << 16));
- REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start - 1) |
- ((adjusted_mode->crtc_hblank_end - 1) << 16));
- REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start - 1) |
- ((adjusted_mode->crtc_hsync_end - 1) << 16));
- REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start - 1) |
- ((adjusted_mode->crtc_vblank_end - 1) << 16));
- REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start - 1) |
- ((adjusted_mode->crtc_vsync_end - 1) << 16));
- }
-
- /* Flush the plane changes */
- {
- const struct drm_crtc_helper_funcs *crtc_funcs =
- crtc->helper_private;
- crtc_funcs->mode_set_base(crtc, x, y, old_fb);
- }
-
- /* setup pipeconf */
- dev_priv->pipeconf[pipe] = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */
-
- /* Set up the display plane register */
- dev_priv->dspcntr[pipe] = REG_READ(map->cntr);
- dev_priv->dspcntr[pipe] |= pipe << DISPPLANE_SEL_PIPE_POS;
- dev_priv->dspcntr[pipe] |= DISPLAY_PLANE_ENABLE;
-
- if (is_mipi2)
- goto mrst_crtc_mode_set_exit;
- clk = adjusted_mode->clock;
-
- if (is_hdmi) {
- if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) {
- refclk = 19200;
-
- if (is_mipi || is_mipi2)
- clk_n = 1, clk_p2 = 8;
- else if (is_hdmi)
- clk_n = 1, clk_p2 = 10;
- } else if (ksel == KSEL_BYPASS_25) {
- refclk = 25000;
-
- if (is_mipi || is_mipi2)
- clk_n = 1, clk_p2 = 8;
- else if (is_hdmi)
- clk_n = 1, clk_p2 = 10;
- } else if ((ksel == KSEL_BYPASS_83_100) &&
- dev_priv->core_freq == 166) {
- refclk = 83000;
-
- if (is_mipi || is_mipi2)
- clk_n = 4, clk_p2 = 8;
- else if (is_hdmi)
- clk_n = 4, clk_p2 = 10;
- } else if ((ksel == KSEL_BYPASS_83_100) &&
- (dev_priv->core_freq == 100 ||
- dev_priv->core_freq == 200)) {
- refclk = 100000;
- if (is_mipi || is_mipi2)
- clk_n = 4, clk_p2 = 8;
- else if (is_hdmi)
- clk_n = 4, clk_p2 = 10;
- }
-
- if (is_mipi)
- clk_byte = dev_priv->bpp / 8;
- else if (is_mipi2)
- clk_byte = dev_priv->bpp2 / 8;
-
- clk_tmp = clk * clk_n * clk_p2 * clk_byte;
-
- dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d.\n",
- clk, clk_n, clk_p2);
- dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d.\n",
- adjusted_mode->clock, clk_tmp);
-
- ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock);
-
- if (!ok) {
- DRM_ERROR
- ("mdfldFindBestPLL fail in mdfld_crtc_mode_set.\n");
- } else {
- m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)];
-
- dev_dbg(dev->dev, "dot clock = %d,"
- "m = %d, p1 = %d, m_conv = %d.\n",
- clock.dot, clock.m,
- clock.p1, m_conv);
- }
-
- dpll = REG_READ(map->dpll);
-
- if (dpll & DPLL_VCO_ENABLE) {
- dpll &= ~DPLL_VCO_ENABLE;
- REG_WRITE(map->dpll, dpll);
- REG_READ(map->dpll);
-
- /* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
-
- /* reset M1, N1 & P1 */
- REG_WRITE(map->fp0, 0);
- dpll &= ~MDFLD_P1_MASK;
- REG_WRITE(map->dpll, dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
- }
-
- /* When ungating power of DPLL, needs to wait 0.5us before
- * enable the VCO */
- if (dpll & MDFLD_PWR_GATE_EN) {
- dpll &= ~MDFLD_PWR_GATE_EN;
- REG_WRITE(map->dpll, dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
- }
- dpll = 0;
-
- if (is_hdmi)
- dpll |= MDFLD_VCO_SEL;
-
- fp = (clk_n / 2) << 16;
- fp |= m_conv;
-
- /* compute bitmask from p1 value */
- dpll |= (1 << (clock.p1 - 2)) << 17;
-
- } else {
- dpll = 0x00800000;
- fp = 0x000000c1;
- }
-
- REG_WRITE(map->fp0, fp);
- REG_WRITE(map->dpll, dpll);
- /* FIXME_MDFLD PO - change 500 to 1 after PO */
- udelay(500);
-
- dpll |= DPLL_VCO_ENABLE;
- REG_WRITE(map->dpll, dpll);
- REG_READ(map->dpll);
-
- /* wait for DSI PLL to lock */
- while (timeout < 20000 &&
- !(REG_READ(map->conf) & PIPECONF_DSIPLL_LOCK)) {
- udelay(150);
- timeout++;
- }
-
- if (is_mipi)
- goto mrst_crtc_mode_set_exit;
-
- dev_dbg(dev->dev, "is_mipi = 0x%x\n", is_mipi);
-
- REG_WRITE(map->conf, dev_priv->pipeconf[pipe]);
- REG_READ(map->conf);
-
- /* Wait for for the pipe enable to take effect. */
- REG_WRITE(map->cntr, dev_priv->dspcntr[pipe]);
- gma_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-
- gma_power_end(dev);
-
- return 0;
-}
-
-const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
- .dpms = mdfld_crtc_dpms,
- .mode_set = mdfld_crtc_mode_set,
- .mode_set_base = mdfld__intel_pipe_set_base,
- .prepare = gma_crtc_prepare,
- .commit = gma_crtc_commit,
-};
+++ /dev/null
-/*
- * Copyright (c) 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include "mdfld_output.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-
-#include "tc35876x-dsi-lvds.h"
-
-int mdfld_get_panel_type(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- return dev_priv->mdfld_panel_id;
-}
-
-static void mdfld_init_panel(struct drm_device *dev, int mipi_pipe,
- int p_type)
-{
- switch (p_type) {
- case TPO_VID:
- mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tpo_vid_funcs);
- break;
- case TC35876X:
- tc35876x_init(dev);
- mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tc35876x_funcs);
- break;
- case TMD_VID:
- mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tmd_vid_funcs);
- break;
- case HDMI:
-/* if (dev_priv->mdfld_hdmi_present)
- mdfld_hdmi_init(dev, &dev_priv->mode_dev); */
- break;
- }
-}
-
-
-int mdfld_output_init(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /* FIXME: hardcoded for now */
- dev_priv->mdfld_panel_id = TC35876X;
- /* MIPI panel 1 */
- mdfld_init_panel(dev, 0, dev_priv->mdfld_panel_id);
- /* HDMI panel */
- mdfld_init_panel(dev, 1, HDMI);
- return 0;
-}
-
+++ /dev/null
-/*
- * Copyright (c) 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef MDFLD_OUTPUT_H
-#define MDFLD_OUTPUT_H
-
-#include "psb_drv.h"
-
-#define TPO_PANEL_WIDTH 84
-#define TPO_PANEL_HEIGHT 46
-#define TMD_PANEL_WIDTH 39
-#define TMD_PANEL_HEIGHT 71
-
-struct mdfld_dsi_config;
-
-enum panel_type {
- TPO_VID,
- TMD_VID,
- HDMI,
- TC35876X,
-};
-
-struct panel_info {
- u32 width_mm;
- u32 height_mm;
- /* Other info */
-};
-
-struct panel_funcs {
- const struct drm_encoder_helper_funcs *encoder_helper_funcs;
- struct drm_display_mode * (*get_config_mode)(struct drm_device *);
- int (*get_panel_info)(struct drm_device *, int, struct panel_info *);
- int (*reset)(struct drm_device *, int);
- void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
-};
-
-int mdfld_output_init(struct drm_device *dev);
-
-struct backlight_device *mdfld_get_backlight_device(void);
-int mdfld_set_brightness(struct backlight_device *bd);
-
-int mdfld_get_panel_type(struct drm_device *dev, int pipe);
-
-extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
-
-extern const struct panel_funcs mdfld_tmd_vid_funcs;
-extern const struct panel_funcs mdfld_tpo_vid_funcs;
-
-extern void mdfld_disable_crtc(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
-#endif
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- * Gideon Eaton <eaton.
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include <linux/delay.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-static struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
-{
- struct drm_display_mode *mode;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
- bool use_gct = false; /*Disable GCT for now*/
-
- mode = kzalloc(sizeof(*mode), GFP_KERNEL);
- if (!mode)
- return NULL;
-
- if (use_gct) {
- mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
- mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
- mode->hsync_start = mode->hdisplay + \
- ((ti->hsync_offset_hi << 8) | \
- ti->hsync_offset_lo);
- mode->hsync_end = mode->hsync_start + \
- ((ti->hsync_pulse_width_hi << 8) | \
- ti->hsync_pulse_width_lo);
- mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
- ti->hblank_lo);
- mode->vsync_start = \
- mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
- ti->vsync_offset_lo);
- mode->vsync_end = \
- mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
- ti->vsync_pulse_width_lo);
- mode->vtotal = mode->vdisplay + \
- ((ti->vblank_hi << 8) | ti->vblank_lo);
- mode->clock = ti->pixel_clock * 10;
-
- dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
- dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
- dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
- dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
- dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
- dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
- dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
- dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
- dev_dbg(dev->dev, "clock is %d\n", mode->clock);
- } else {
- mode->hdisplay = 480;
- mode->vdisplay = 854;
- mode->hsync_start = 487;
- mode->hsync_end = 490;
- mode->htotal = 499;
- mode->vsync_start = 861;
- mode->vsync_end = 865;
- mode->vtotal = 873;
- mode->clock = 33264;
- }
-
- drm_mode_set_name(mode);
- drm_mode_set_crtcinfo(mode, 0);
-
- mode->type |= DRM_MODE_TYPE_PREFERRED;
-
- return mode;
-}
-
-static int tmd_vid_get_panel_info(struct drm_device *dev,
- int pipe,
- struct panel_info *pi)
-{
- if (!dev || !pi)
- return -EINVAL;
-
- pi->width_mm = TMD_PANEL_WIDTH;
- pi->height_mm = TMD_PANEL_HEIGHT;
-
- return 0;
-}
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_init_TMD_MIPI
- *
- * DESCRIPTION: This function is called only by mrst_dsi_mode_set and
- * restore_display_registers. since this function does not
- * acquire the mutex, it is important that the calling function
- * does!
-\* ************************************************************************* */
-
-/* FIXME: make the below data u8 instead of u32; note byte order! */
-static u32 tmd_cmd_mcap_off[] = {0x000000b2};
-static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
-static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
-static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
-static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
-static u32 tmd_cmd_set_mode[] = {0x000000b3};
-static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
-static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
-static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
-static u32 tmd_cmd_set_video_mode[] = {0x00000153};
-/*no auto_bl,need add in furture*/
-static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
-static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
-
-static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
- int pipe)
-{
- struct mdfld_dsi_pkg_sender *sender
- = mdfld_dsi_get_pkg_sender(dsi_config);
-
- DRM_INFO("Enter mdfld init TMD MIPI display.\n");
-
- if (!sender) {
- DRM_ERROR("Cannot get sender\n");
- return;
- }
-
- if (dsi_config->dvr_ic_inited)
- return;
-
- msleep(3);
-
- /* FIXME: make the below data u8 instead of u32; note byte order! */
-
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_mcap_off,
- sizeof(tmd_cmd_mcap_off), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_lane_switch,
- sizeof(tmd_cmd_enable_lane_switch), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_lane_num,
- sizeof(tmd_cmd_set_lane_num), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock0,
- sizeof(tmd_cmd_pushing_clock0), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock1,
- sizeof(tmd_cmd_pushing_clock1), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_mode,
- sizeof(tmd_cmd_set_mode), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_sync_pulse_mode,
- sizeof(tmd_cmd_set_sync_pulse_mode), false);
- mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_column,
- sizeof(tmd_cmd_set_column), false);
- mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_page,
- sizeof(tmd_cmd_set_page), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_video_mode,
- sizeof(tmd_cmd_set_video_mode), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_backlight,
- sizeof(tmd_cmd_enable_backlight), false);
- mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_backlight_dimming,
- sizeof(tmd_cmd_set_backlight_dimming), false);
-
- dsi_config->dvr_ic_inited = 1;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
- mdfld_tpo_dpi_encoder_helper_funcs = {
- .dpms = mdfld_dsi_dpi_dpms,
- .mode_fixup = mdfld_dsi_dpi_mode_fixup,
- .prepare = mdfld_dsi_dpi_prepare,
- .mode_set = mdfld_dsi_dpi_mode_set,
- .commit = mdfld_dsi_dpi_commit,
-};
-
-const struct panel_funcs mdfld_tmd_vid_funcs = {
- .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
- .get_config_mode = &tmd_vid_get_config_mode,
- .get_panel_info = tmd_vid_get_panel_info,
- .reset = mdfld_dsi_panel_reset,
- .drv_ic_init = mdfld_dsi_tmd_drv_ic_init,
-};
+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dpi.h"
-
-static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
-{
- struct drm_display_mode *mode;
-
- mode = kzalloc(sizeof(*mode), GFP_KERNEL);
- if (!mode)
- return NULL;
-
- mode->hdisplay = 864;
- mode->vdisplay = 480;
- mode->hsync_start = 873;
- mode->hsync_end = 876;
- mode->htotal = 887;
- mode->vsync_start = 487;
- mode->vsync_end = 490;
- mode->vtotal = 499;
- mode->clock = 33264;
-
- drm_mode_set_name(mode);
- drm_mode_set_crtcinfo(mode, 0);
-
- mode->type |= DRM_MODE_TYPE_PREFERRED;
-
- return mode;
-}
-
-static int tpo_vid_get_panel_info(struct drm_device *dev,
- int pipe,
- struct panel_info *pi)
-{
- if (!dev || !pi)
- return -EINVAL;
-
- pi->width_mm = TPO_PANEL_WIDTH;
- pi->height_mm = TPO_PANEL_HEIGHT;
-
- return 0;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
- mdfld_tpo_dpi_encoder_helper_funcs = {
- .dpms = mdfld_dsi_dpi_dpms,
- .mode_fixup = mdfld_dsi_dpi_mode_fixup,
- .prepare = mdfld_dsi_dpi_prepare,
- .mode_set = mdfld_dsi_dpi_mode_set,
- .commit = mdfld_dsi_dpi_commit,
-};
-
-const struct panel_funcs mdfld_tpo_vid_funcs = {
- .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
- .get_config_mode = &tpo_vid_get_config_mode,
- .get_panel_info = tpo_vid_get_panel_info,
-};
* PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx
* PowerVR SGX535 - Moorestown - Intel GMA 600
* PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx
- * PowerVR SGX540 - Medfield - Intel Atom Z2460
- * PowerVR SGX544MP2 - Medfield -
* PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600
* PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700,
* N2800
{ 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
{ 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
#endif
-#if defined(CONFIG_DRM_MEDFIELD)
- { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
- { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
-#endif
#if defined(CONFIG_DRM_GMA3600)
{ 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
{ 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
CHIP_PSB_8108 = 0, /* Poulsbo */
CHIP_PSB_8109 = 1, /* Poulsbo */
CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */
- CHIP_MFLD_0130 = 3, /* Medfield */
};
#define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
#define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
-#define IS_MFLD(drm) ((to_pci_dev((drm)->dev)->device & 0xfff8) == 0x0130)
#define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
/* Hardware offsets */
#define PSB_VDC_OFFSET 0x00000000
#define PSB_VDC_SIZE 0x000080000
#define MRST_MMIO_SIZE 0x0000C0000
-#define MDFLD_MMIO_SIZE 0x000100000
#define PSB_SGX_SIZE 0x8000
#define PSB_SGX_OFFSET 0x00040000
#define MRST_SGX_OFFSET 0x00080000
#define _PSB_DPST_PIPEA_FLAG (1<<6)
#define _PSB_PIPEA_EVENT_FLAG (1<<6)
#define _PSB_VSYNC_PIPEA_FLAG (1<<7)
-#define _MDFLD_MIPIA_FLAG (1<<16)
-#define _MDFLD_MIPIC_FLAG (1<<17)
#define _PSB_IRQ_DISP_HOTSYNC (1<<17)
#define _PSB_IRQ_SGX_FLAG (1<<18)
#define _PSB_IRQ_MSVDX_FLAG (1<<19)
#define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \
_PSB_VSYNC_PIPEB_FLAG)
-/* This flag includes all the display IRQ bits excepts the vblank irqs. */
-#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
- _MDFLD_PIPEB_EVENT_FLAG | \
- _PSB_PIPEA_EVENT_FLAG | \
- _PSB_VSYNC_PIPEA_FLAG | \
- _MDFLD_MIPIA_FLAG | \
- _MDFLD_MIPIC_FLAG)
#define PSB_INT_IDENTITY_R 0x20A4
#define PSB_INT_MASK_R 0x20A8
#define PSB_INT_ENABLE_R 0x20A0
#define PSB_WATCHDOG_DELAY (HZ * 2)
#define PSB_LID_DELAY (HZ / 10)
-#define MDFLD_PNW_B0 0x04
-#define MDFLD_PNW_C0 0x08
-
-#define MDFLD_DSR_2D_3D_0 (1 << 0)
-#define MDFLD_DSR_2D_3D_2 (1 << 1)
-#define MDFLD_DSR_CURSOR_0 (1 << 2)
-#define MDFLD_DSR_CURSOR_2 (1 << 3)
-#define MDFLD_DSR_OVERLAY_0 (1 << 4)
-#define MDFLD_DSR_OVERLAY_2 (1 << 5)
-#define MDFLD_DSR_MIPI_CONTROL (1 << 6)
-#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
-#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
-#define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
-
-#define MDFLD_DSR_RR 45
-#define MDFLD_DPU_ENABLE (1 << 31)
-#define MDFLD_DSR_FULLSCREEN (1 << 30)
-#define MDFLD_DSR_DELAY (HZ / MDFLD_DSR_RR)
-
#define PSB_PWR_STATE_ON 1
#define PSB_PWR_STATE_OFF 2
uint32_t savePWM_CONTROL_LOGIC;
};
-struct medfield_state {
- uint32_t saveMIPI;
- uint32_t saveMIPI_C;
-
- uint32_t savePFIT_CONTROL;
- uint32_t savePFIT_PGM_RATIOS;
- uint32_t saveHDMIPHYMISCCTL;
- uint32_t saveHDMIB_CONTROL;
-};
-
struct cdv_state {
uint32_t saveDSPCLK_GATE_D;
uint32_t saveRAMCLK_GATE_D;
uint32_t saveVBT;
union {
struct psb_state psb;
- struct medfield_state mdfld;
struct cdv_state cdv;
};
uint32_t saveBLC_PWM_CTL2;
u32 pipeconf[3];
u32 dspcntr[3];
- int mdfld_panel_id;
-
bool dplla_96mhz; /* DPLL data from the VBT */
struct {
/* oaktrail_device.c */
extern const struct psb_ops oaktrail_chip_ops;
-/* mdlfd_device.c */
-extern const struct psb_ops mdfld_chip_ops;
-
/* cdv_device.c */
extern const struct psb_ops cdv_chip_ops;
pci_write_config_dword(pci_root, 0xD0, mcr);
pci_dev_put(pci_root);
}
-static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
-{
- int mcr = (0x10<<24) | (port << 16) | (offset << 8);
- uint32_t ret_val = 0;
- struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
- pci_write_config_dword(pci_root, 0xD0, mcr);
- pci_read_config_dword(pci_root, 0xD4, &ret_val);
- pci_dev_put(pci_root);
- return ret_val;
-}
-static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
- u32 value)
-{
- int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
- struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
- pci_write_config_dword(pci_root, 0xD4, value);
- pci_write_config_dword(pci_root, 0xD0, mcr);
- pci_dev_put(pci_root);
-}
static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
{
#define PIPE_PIXEL_MASK 0x00ffffff
#define PIPE_PIXEL_SHIFT 0
-#define FW_BLC_SELF 0x20e0
+#define FW_BLC_SELF 0x20e0
#define FW_BLC_SELF_EN (1<<15)
#define DSPARB 0x70030
* MOORESTOWN delta registers
*/
#define MRST_DPLL_A 0x0f014
-#define MDFLD_DPLL_B 0x0f018
-#define MDFLD_INPUT_REF_SEL (1 << 14)
-#define MDFLD_VCO_SEL (1 << 16)
#define DPLLA_MODE_LVDS (2 << 26) /* mrst */
-#define MDFLD_PLL_LATCHEN (1 << 28)
-#define MDFLD_PWR_GATE_EN (1 << 30)
-#define MDFLD_P1_MASK (0x1FF << 17)
#define MRST_FPA0 0x0f040
#define MRST_FPA1 0x0f044
-#define MDFLD_DPLL_DIV0 0x0f048
-#define MDFLD_DPLL_DIV1 0x0f04c
#define MRST_PERF_MODE 0x020f4
/*
#define MRST_DSPABASE 0x7019c
#define MRST_DSPBBASE 0x7119c
-#define MDFLD_DSPCBASE 0x7219c
/*
* Moorestown registers.
#define DEVICE_RESET_REG 0xb01C
#define DPI_RESOLUTION_REG 0xb020
#define RES_V_POS 0x10
-#define DBI_RESOLUTION_REG 0xb024 /* Reserved for MDFLD */
#define HORIZ_SYNC_PAD_COUNT_REG 0xb028
#define HORIZ_BACK_PORCH_COUNT_REG 0xb02C
#define HORIZ_FRONT_PORCH_COUNT_REG 0xb030
#include <drm/drm_vblank.h>
-#include "mdfld_output.h"
#include "power.h"
#include "psb_drv.h"
#include "psb_intel_reg.h"
"%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
__func__, pipe, PSB_RVDC32(pipe_stat_reg));
- if (pipe_stat_val & PIPE_VBLANK_STATUS ||
- (IS_MFLD(dev) && pipe_stat_val & PIPE_TE_STATUS)) {
+ if (pipe_stat_val & PIPE_VBLANK_STATUS) {
struct drm_crtc *crtc = drm_crtc_from_index(dev, pipe);
struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
unsigned long flags;
if (vdc_stat & (_PSB_PIPE_EVENT_FLAG|_PSB_IRQ_ASLE))
dsp_int = 1;
- /* FIXME: Handle Medfield
- if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG)
- dsp_int = 1;
- */
-
if (vdc_stat & _PSB_IRQ_SGX_FLAG)
sgx_int = 1;
if (vdc_stat & _PSB_IRQ_DISP_HOTSYNC)
if (dev->vblank[1].enabled)
dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
- /* FIXME: Handle Medfield irq mask
- if (dev->vblank[1].enabled)
- dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
- if (dev->vblank[2].enabled)
- dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
- */
-
/* Revisit this area - want per device masks ? */
if (dev_priv->ops->hotplug)
dev_priv->vdc_irq_mask |= _PSB_IRQ_DISP_HOTSYNC;
uint32_t reg_val = 0;
uint32_t pipeconf_reg = mid_pipeconf(pipe);
- /* Medfield is different - we should perhaps extract out vblank
- and blacklight etc ops */
- if (IS_MFLD(dev))
- return mdfld_enable_te(dev, pipe);
-
if (gma_power_begin(dev, false)) {
reg_val = REG_READ(pipeconf_reg);
gma_power_end(dev);
struct drm_psb_private *dev_priv = dev->dev_private;
unsigned long irqflags;
- if (IS_MFLD(dev))
- mdfld_disable_te(dev, pipe);
spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
if (pipe == 0)
spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
}
-/*
- * It is used to enable TE interrupt
- */
-int mdfld_enable_te(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv =
- (struct drm_psb_private *) dev->dev_private;
- unsigned long irqflags;
- uint32_t reg_val = 0;
- uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
- if (gma_power_begin(dev, false)) {
- reg_val = REG_READ(pipeconf_reg);
- gma_power_end(dev);
- }
-
- if (!(reg_val & PIPEACONF_ENABLE))
- return -EINVAL;
-
- spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
- mid_enable_pipe_event(dev_priv, pipe);
- psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
- spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
- return 0;
-}
-
-/*
- * It is used to disable TE interrupt
- */
-void mdfld_disable_te(struct drm_device *dev, int pipe)
-{
- struct drm_psb_private *dev_priv =
- (struct drm_psb_private *) dev->dev_private;
- unsigned long irqflags;
-
- if (!dev_priv->dsr_enable)
- return;
-
- spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
- mid_disable_pipe_event(dev_priv, pipe);
- psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
- spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
/* Called from drm generic code, passed a 'crtc', which
* we use as a pipe index
*/
void psb_disable_vblank(struct drm_crtc *crtc);
u32 psb_get_vblank_counter(struct drm_crtc *crtc);
-int mdfld_enable_te(struct drm_device *dev, int pipe);
-void mdfld_disable_te(struct drm_device *dev, int pipe);
#endif /* _PSB_IRQ_H_ */
#define PSB_PM_SSC 0x20
#define PSB_PM_SSS 0x30
#define PSB_PWRGT_DISPLAY_MASK 0xc /*on a different BA than video/gfx*/
-#define MDFLD_PWRGT_DISPLAY_A_CNTR 0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_CNTR 0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_CNTR 0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_CNTR 0x000c0000
-#define MDFLD_PWRGT_DISPLAY_CNTR (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */
/* Display SSS register bits are different in A0 vs. B0 */
#define PSB_PWRGT_GFX_MASK 0x3
-#define MDFLD_PWRGT_DISPLAY_A_STS 0x000000c0
-#define MDFLD_PWRGT_DISPLAY_B_STS 0x00000300
-#define MDFLD_PWRGT_DISPLAY_C_STS 0x00000c00
#define PSB_PWRGT_GFX_MASK_B0 0xc3
-#define MDFLD_PWRGT_DISPLAY_A_STS_B0 0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_STS_B0 0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_STS_B0 0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_STS 0x000c0000
-#define MDFLD_PWRGT_DISPLAY_STS_A0 (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#define MDFLD_PWRGT_DISPLAY_STS_B0 (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
#endif
+++ /dev/null
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/gpio/consumer.h>
-
-#include <asm/intel_scu_ipc.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_output.h"
-#include "tc35876x-dsi-lvds.h"
-
-static struct i2c_client *tc35876x_client;
-static struct i2c_client *cmi_lcd_i2c_client;
-/* Panel GPIOs */
-static struct gpio_desc *bridge_reset;
-static struct gpio_desc *bridge_bl_enable;
-static struct gpio_desc *backlight_voltage;
-
-
-#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
-#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
-
-/* DSI D-PHY Layer Registers */
-#define D0W_DPHYCONTTX 0x0004
-#define CLW_DPHYCONTRX 0x0020
-#define D0W_DPHYCONTRX 0x0024
-#define D1W_DPHYCONTRX 0x0028
-#define D2W_DPHYCONTRX 0x002C
-#define D3W_DPHYCONTRX 0x0030
-#define COM_DPHYCONTRX 0x0038
-#define CLW_CNTRL 0x0040
-#define D0W_CNTRL 0x0044
-#define D1W_CNTRL 0x0048
-#define D2W_CNTRL 0x004C
-#define D3W_CNTRL 0x0050
-#define DFTMODE_CNTRL 0x0054
-
-/* DSI PPI Layer Registers */
-#define PPI_STARTPPI 0x0104
-#define PPI_BUSYPPI 0x0108
-#define PPI_LINEINITCNT 0x0110
-#define PPI_LPTXTIMECNT 0x0114
-#define PPI_LANEENABLE 0x0134
-#define PPI_TX_RX_TA 0x013C
-#define PPI_CLS_ATMR 0x0140
-#define PPI_D0S_ATMR 0x0144
-#define PPI_D1S_ATMR 0x0148
-#define PPI_D2S_ATMR 0x014C
-#define PPI_D3S_ATMR 0x0150
-#define PPI_D0S_CLRSIPOCOUNT 0x0164
-#define PPI_D1S_CLRSIPOCOUNT 0x0168
-#define PPI_D2S_CLRSIPOCOUNT 0x016C
-#define PPI_D3S_CLRSIPOCOUNT 0x0170
-#define CLS_PRE 0x0180
-#define D0S_PRE 0x0184
-#define D1S_PRE 0x0188
-#define D2S_PRE 0x018C
-#define D3S_PRE 0x0190
-#define CLS_PREP 0x01A0
-#define D0S_PREP 0x01A4
-#define D1S_PREP 0x01A8
-#define D2S_PREP 0x01AC
-#define D3S_PREP 0x01B0
-#define CLS_ZERO 0x01C0
-#define D0S_ZERO 0x01C4
-#define D1S_ZERO 0x01C8
-#define D2S_ZERO 0x01CC
-#define D3S_ZERO 0x01D0
-#define PPI_CLRFLG 0x01E0
-#define PPI_CLRSIPO 0x01E4
-#define HSTIMEOUT 0x01F0
-#define HSTIMEOUTENABLE 0x01F4
-
-/* DSI Protocol Layer Registers */
-#define DSI_STARTDSI 0x0204
-#define DSI_BUSYDSI 0x0208
-#define DSI_LANEENABLE 0x0210
-#define DSI_LANESTATUS0 0x0214
-#define DSI_LANESTATUS1 0x0218
-#define DSI_INTSTATUS 0x0220
-#define DSI_INTMASK 0x0224
-#define DSI_INTCLR 0x0228
-#define DSI_LPTXTO 0x0230
-
-/* DSI General Registers */
-#define DSIERRCNT 0x0300
-
-/* DSI Application Layer Registers */
-#define APLCTRL 0x0400
-#define RDPKTLN 0x0404
-
-/* Video Path Registers */
-#define VPCTRL 0x0450
-#define HTIM1 0x0454
-#define HTIM2 0x0458
-#define VTIM1 0x045C
-#define VTIM2 0x0460
-#define VFUEN 0x0464
-
-/* LVDS Registers */
-#define LVMX0003 0x0480
-#define LVMX0407 0x0484
-#define LVMX0811 0x0488
-#define LVMX1215 0x048C
-#define LVMX1619 0x0490
-#define LVMX2023 0x0494
-#define LVMX2427 0x0498
-#define LVCFG 0x049C
-#define LVPHY0 0x04A0
-#define LVPHY1 0x04A4
-
-/* System Registers */
-#define SYSSTAT 0x0500
-#define SYSRST 0x0504
-
-/* GPIO Registers */
-/*#define GPIOC 0x0520*/
-#define GPIOO 0x0524
-#define GPIOI 0x0528
-
-/* I2C Registers */
-#define I2CTIMCTRL 0x0540
-#define I2CMADDR 0x0544
-#define WDATAQ 0x0548
-#define RDATAQ 0x054C
-
-/* Chip/Rev Registers */
-#define IDREG 0x0580
-
-/* Debug Registers */
-#define DEBUG00 0x05A0
-#define DEBUG01 0x05A4
-
-/* Panel CABC registers */
-#define PANEL_PWM_CONTROL 0x90
-#define PANEL_FREQ_DIVIDER_HI 0x91
-#define PANEL_FREQ_DIVIDER_LO 0x92
-#define PANEL_DUTY_CONTROL 0x93
-#define PANEL_MODIFY_RGB 0x94
-#define PANEL_FRAMERATE_CONTROL 0x96
-#define PANEL_PWM_MIN 0x97
-#define PANEL_PWM_REF 0x98
-#define PANEL_PWM_MAX 0x99
-#define PANEL_ALLOW_DISTORT 0x9A
-#define PANEL_BYPASS_PWMI 0x9B
-
-/* Panel color management registers */
-#define PANEL_CM_ENABLE 0x700
-#define PANEL_CM_HUE 0x701
-#define PANEL_CM_SATURATION 0x702
-#define PANEL_CM_INTENSITY 0x703
-#define PANEL_CM_BRIGHTNESS 0x704
-#define PANEL_CM_CE_ENABLE 0x705
-#define PANEL_CM_PEAK_EN 0x710
-#define PANEL_CM_GAIN 0x711
-#define PANEL_CM_HUETABLE_START 0x730
-#define PANEL_CM_HUETABLE_END 0x747 /* inclusive */
-
-/* Input muxing for registers LVMX0003...LVMX2427 */
-enum {
- INPUT_R0, /* 0 */
- INPUT_R1,
- INPUT_R2,
- INPUT_R3,
- INPUT_R4,
- INPUT_R5,
- INPUT_R6,
- INPUT_R7,
- INPUT_G0, /* 8 */
- INPUT_G1,
- INPUT_G2,
- INPUT_G3,
- INPUT_G4,
- INPUT_G5,
- INPUT_G6,
- INPUT_G7,
- INPUT_B0, /* 16 */
- INPUT_B1,
- INPUT_B2,
- INPUT_B3,
- INPUT_B4,
- INPUT_B5,
- INPUT_B6,
- INPUT_B7,
- INPUT_HSYNC, /* 24 */
- INPUT_VSYNC,
- INPUT_DE,
- LOGIC_0,
- /* 28...31 undefined */
-};
-
-#define INPUT_MUX(lvmx03, lvmx02, lvmx01, lvmx00) \
- (FLD_VAL(lvmx03, 29, 24) | FLD_VAL(lvmx02, 20, 16) | \
- FLD_VAL(lvmx01, 12, 8) | FLD_VAL(lvmx00, 4, 0))
-
-/**
- * tc35876x_regw - Write DSI-LVDS bridge register using I2C
- * @client: struct i2c_client to use
- * @reg: register address
- * @value: value to write
- *
- * Returns 0 on success, or a negative error value.
- */
-static int tc35876x_regw(struct i2c_client *client, u16 reg, u32 value)
-{
- int r;
- u8 tx_data[] = {
- /* NOTE: Register address big-endian, data little-endian. */
- (reg >> 8) & 0xff,
- reg & 0xff,
- value & 0xff,
- (value >> 8) & 0xff,
- (value >> 16) & 0xff,
- (value >> 24) & 0xff,
- };
- struct i2c_msg msgs[] = {
- {
- .addr = client->addr,
- .flags = 0,
- .buf = tx_data,
- .len = ARRAY_SIZE(tx_data),
- },
- };
-
- r = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
- if (r < 0) {
- dev_err(&client->dev, "%s: reg 0x%04x val 0x%08x error %d\n",
- __func__, reg, value, r);
- return r;
- }
-
- if (r < ARRAY_SIZE(msgs)) {
- dev_err(&client->dev, "%s: reg 0x%04x val 0x%08x msgs %d\n",
- __func__, reg, value, r);
- return -EAGAIN;
- }
-
- dev_dbg(&client->dev, "%s: reg 0x%04x val 0x%08x\n",
- __func__, reg, value);
-
- return 0;
-}
-
-/**
- * tc35876x_regr - Read DSI-LVDS bridge register using I2C
- * @client: struct i2c_client to use
- * @reg: register address
- * @value: pointer for storing the value
- *
- * Returns 0 on success, or a negative error value.
- */
-static int tc35876x_regr(struct i2c_client *client, u16 reg, u32 *value)
-{
- int r;
- u8 tx_data[] = {
- (reg >> 8) & 0xff,
- reg & 0xff,
- };
- u8 rx_data[4];
- struct i2c_msg msgs[] = {
- {
- .addr = client->addr,
- .flags = 0,
- .buf = tx_data,
- .len = ARRAY_SIZE(tx_data),
- },
- {
- .addr = client->addr,
- .flags = I2C_M_RD,
- .buf = rx_data,
- .len = ARRAY_SIZE(rx_data),
- },
- };
-
- r = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
- if (r < 0) {
- dev_err(&client->dev, "%s: reg 0x%04x error %d\n", __func__,
- reg, r);
- return r;
- }
-
- if (r < ARRAY_SIZE(msgs)) {
- dev_err(&client->dev, "%s: reg 0x%04x msgs %d\n", __func__,
- reg, r);
- return -EAGAIN;
- }
-
- *value = rx_data[0] << 24 | rx_data[1] << 16 |
- rx_data[2] << 8 | rx_data[3];
-
- dev_dbg(&client->dev, "%s: reg 0x%04x value 0x%08x\n", __func__,
- reg, *value);
-
- return 0;
-}
-
-void tc35876x_set_bridge_reset_state(struct drm_device *dev, int state)
-{
- if (WARN(!tc35876x_client, "%s called before probe", __func__))
- return;
-
- dev_dbg(&tc35876x_client->dev, "%s: state %d\n", __func__, state);
-
- if (!bridge_reset)
- return;
-
- if (state) {
- gpiod_set_value_cansleep(bridge_reset, 0);
- mdelay(10);
- } else {
- /* Pull MIPI Bridge reset pin to Low */
- gpiod_set_value_cansleep(bridge_reset, 0);
- mdelay(20);
- /* Pull MIPI Bridge reset pin to High */
- gpiod_set_value_cansleep(bridge_reset, 1);
- mdelay(40);
- }
-}
-
-void tc35876x_configure_lvds_bridge(struct drm_device *dev)
-{
- struct i2c_client *i2c = tc35876x_client;
- u32 ppi_lptxtimecnt;
- u32 txtagocnt;
- u32 txtasurecnt;
- u32 id;
-
- if (WARN(!tc35876x_client, "%s called before probe", __func__))
- return;
-
- dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
-
- if (!tc35876x_regr(i2c, IDREG, &id))
- dev_info(&tc35876x_client->dev, "tc35876x ID 0x%08x\n", id);
- else
- dev_err(&tc35876x_client->dev, "Cannot read ID\n");
-
- ppi_lptxtimecnt = 4;
- txtagocnt = (5 * ppi_lptxtimecnt - 3) / 4;
- txtasurecnt = 3 * ppi_lptxtimecnt / 2;
- tc35876x_regw(i2c, PPI_TX_RX_TA, FLD_VAL(txtagocnt, 26, 16) |
- FLD_VAL(txtasurecnt, 10, 0));
- tc35876x_regw(i2c, PPI_LPTXTIMECNT, FLD_VAL(ppi_lptxtimecnt, 10, 0));
-
- tc35876x_regw(i2c, PPI_D0S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
- tc35876x_regw(i2c, PPI_D1S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
- tc35876x_regw(i2c, PPI_D2S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
- tc35876x_regw(i2c, PPI_D3S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
-
- /* Enabling MIPI & PPI lanes, Enable 4 lanes */
- tc35876x_regw(i2c, PPI_LANEENABLE,
- BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
- tc35876x_regw(i2c, DSI_LANEENABLE,
- BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
- tc35876x_regw(i2c, PPI_STARTPPI, BIT(0));
- tc35876x_regw(i2c, DSI_STARTDSI, BIT(0));
-
- /* Setting LVDS output frequency */
- tc35876x_regw(i2c, LVPHY0, FLD_VAL(1, 20, 16) |
- FLD_VAL(2, 15, 14) | FLD_VAL(6, 4, 0)); /* 0x00048006 */
-
- /* Setting video panel control register,0x00000120 VTGen=ON ?!?!? */
- tc35876x_regw(i2c, VPCTRL, BIT(8) | BIT(5));
-
- /* Horizontal back porch and horizontal pulse width. 0x00280028 */
- tc35876x_regw(i2c, HTIM1, FLD_VAL(40, 24, 16) | FLD_VAL(40, 8, 0));
-
- /* Horizontal front porch and horizontal active video size. 0x00500500*/
- tc35876x_regw(i2c, HTIM2, FLD_VAL(80, 24, 16) | FLD_VAL(1280, 10, 0));
-
- /* Vertical back porch and vertical sync pulse width. 0x000e000a */
- tc35876x_regw(i2c, VTIM1, FLD_VAL(14, 23, 16) | FLD_VAL(10, 7, 0));
-
- /* Vertical front porch and vertical display size. 0x000e0320 */
- tc35876x_regw(i2c, VTIM2, FLD_VAL(14, 23, 16) | FLD_VAL(800, 10, 0));
-
- /* Set above HTIM1, HTIM2, VTIM1, and VTIM2 at next VSYNC. */
- tc35876x_regw(i2c, VFUEN, BIT(0));
-
- /* Soft reset LCD controller. */
- tc35876x_regw(i2c, SYSRST, BIT(2));
-
- /* LVDS-TX input muxing */
- tc35876x_regw(i2c, LVMX0003,
- INPUT_MUX(INPUT_R5, INPUT_R4, INPUT_R3, INPUT_R2));
- tc35876x_regw(i2c, LVMX0407,
- INPUT_MUX(INPUT_G2, INPUT_R7, INPUT_R1, INPUT_R6));
- tc35876x_regw(i2c, LVMX0811,
- INPUT_MUX(INPUT_G1, INPUT_G0, INPUT_G4, INPUT_G3));
- tc35876x_regw(i2c, LVMX1215,
- INPUT_MUX(INPUT_B2, INPUT_G7, INPUT_G6, INPUT_G5));
- tc35876x_regw(i2c, LVMX1619,
- INPUT_MUX(INPUT_B4, INPUT_B3, INPUT_B1, INPUT_B0));
- tc35876x_regw(i2c, LVMX2023,
- INPUT_MUX(LOGIC_0, INPUT_B7, INPUT_B6, INPUT_B5));
- tc35876x_regw(i2c, LVMX2427,
- INPUT_MUX(INPUT_R0, INPUT_DE, INPUT_VSYNC, INPUT_HSYNC));
-
- /* Enable LVDS transmitter. */
- tc35876x_regw(i2c, LVCFG, BIT(0));
-
- /* Clear notifications. Don't write reserved bits. Was write 0xffffffff
- * to 0x0288, must be in error?! */
- tc35876x_regw(i2c, DSI_INTCLR, FLD_MASK(31, 30) | FLD_MASK(22, 0));
-}
-
-#define GPIOPWMCTRL 0x38F
-#define PWM0CLKDIV0 0x62 /* low byte */
-#define PWM0CLKDIV1 0x61 /* high byte */
-
-#define SYSTEMCLK 19200000UL /* 19.2 MHz */
-#define PWM_FREQUENCY 9600 /* Hz */
-
-/* f = baseclk / (clkdiv + 1) => clkdiv = (baseclk - f) / f */
-static inline u16 calc_clkdiv(unsigned long baseclk, unsigned int f)
-{
- return (baseclk - f) / f;
-}
-
-static void tc35876x_brightness_init(struct drm_device *dev)
-{
- int ret;
- u8 pwmctrl;
- u16 clkdiv;
-
- /* Make sure the PWM reference is the 19.2 MHz system clock. Read first
- * instead of setting directly to catch potential conflicts between PWM
- * users. */
- ret = intel_scu_ipc_ioread8(GPIOPWMCTRL, &pwmctrl);
- if (ret || pwmctrl != 0x01) {
- if (ret)
- dev_err(dev->dev, "GPIOPWMCTRL read failed\n");
- else
- dev_warn(dev->dev, "GPIOPWMCTRL was not set to system clock (pwmctrl = 0x%02x)\n", pwmctrl);
-
- ret = intel_scu_ipc_iowrite8(GPIOPWMCTRL, 0x01);
- if (ret)
- dev_err(dev->dev, "GPIOPWMCTRL set failed\n");
- }
-
- clkdiv = calc_clkdiv(SYSTEMCLK, PWM_FREQUENCY);
-
- ret = intel_scu_ipc_iowrite8(PWM0CLKDIV1, (clkdiv >> 8) & 0xff);
- if (!ret)
- ret = intel_scu_ipc_iowrite8(PWM0CLKDIV0, clkdiv & 0xff);
-
- if (ret)
- dev_err(dev->dev, "PWM0CLKDIV set failed\n");
- else
- dev_dbg(dev->dev, "PWM0CLKDIV set to 0x%04x (%d Hz)\n",
- clkdiv, PWM_FREQUENCY);
-}
-
-#define PWM0DUTYCYCLE 0x67
-
-void tc35876x_brightness_control(struct drm_device *dev, int level)
-{
- int ret;
- u8 duty_val;
- u8 panel_duty_val;
-
- level = clamp(level, 0, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
- /* PWM duty cycle 0x00...0x63 corresponds to 0...99% */
- duty_val = level * 0x63 / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL;
-
- /* I won't pretend to understand this formula. The panel spec is quite
- * bad engrish.
- */
- panel_duty_val = (2 * level - 100) * 0xA9 /
- MDFLD_DSI_BRIGHTNESS_MAX_LEVEL + 0x56;
-
- ret = intel_scu_ipc_iowrite8(PWM0DUTYCYCLE, duty_val);
- if (ret)
- dev_err(&tc35876x_client->dev, "%s: ipc write fail\n",
- __func__);
-
- if (cmi_lcd_i2c_client) {
- ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
- PANEL_PWM_MAX, panel_duty_val);
- if (ret < 0)
- dev_err(&cmi_lcd_i2c_client->dev, "%s: i2c write failed\n",
- __func__);
- }
-}
-
-void tc35876x_toshiba_bridge_panel_off(struct drm_device *dev)
-{
- if (WARN(!tc35876x_client, "%s called before probe", __func__))
- return;
-
- dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
-
- if (bridge_bl_enable)
- gpiod_set_value_cansleep(bridge_bl_enable, 0);
-
- if (backlight_voltage)
- gpiod_set_value_cansleep(backlight_voltage, 0);
-}
-
-void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (WARN(!tc35876x_client, "%s called before probe", __func__))
- return;
-
- dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
-
- if (backlight_voltage) {
- gpiod_set_value_cansleep(backlight_voltage, 1);
- msleep(260);
- }
-
- if (cmi_lcd_i2c_client) {
- int ret;
- dev_dbg(&cmi_lcd_i2c_client->dev, "setting TCON\n");
- /* Bit 4 is average_saving. Setting it to 1, the brightness is
- * referenced to the average of the frame content. 0 means
- * reference to the maximum of frame contents. Bits 3:0 are
- * allow_distort. When set to a nonzero value, all color values
- * between 255-allow_distort*2 and 255 are mapped to the
- * 255-allow_distort*2 value.
- */
- ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
- PANEL_ALLOW_DISTORT, 0x10);
- if (ret < 0)
- dev_err(&cmi_lcd_i2c_client->dev,
- "i2c write failed (%d)\n", ret);
- ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
- PANEL_BYPASS_PWMI, 0);
- if (ret < 0)
- dev_err(&cmi_lcd_i2c_client->dev,
- "i2c write failed (%d)\n", ret);
- /* Set minimum brightness value - this is tunable */
- ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
- PANEL_PWM_MIN, 0x35);
- if (ret < 0)
- dev_err(&cmi_lcd_i2c_client->dev,
- "i2c write failed (%d)\n", ret);
- }
-
- if (bridge_bl_enable)
- gpiod_set_value_cansleep(bridge_bl_enable, 1);
-
- tc35876x_brightness_control(dev, dev_priv->brightness_adjusted);
-}
-
-static struct drm_display_mode *tc35876x_get_config_mode(struct drm_device *dev)
-{
- struct drm_display_mode *mode;
-
- dev_dbg(dev->dev, "%s\n", __func__);
-
- mode = kzalloc(sizeof(*mode), GFP_KERNEL);
- if (!mode)
- return NULL;
-
- /* FIXME: do this properly. */
- mode->hdisplay = 1280;
- mode->vdisplay = 800;
- mode->hsync_start = 1360;
- mode->hsync_end = 1400;
- mode->htotal = 1440;
- mode->vsync_start = 814;
- mode->vsync_end = 824;
- mode->vtotal = 838;
- mode->clock = 33324 << 1;
-
- dev_info(dev->dev, "hdisplay(w) = %d\n", mode->hdisplay);
- dev_info(dev->dev, "vdisplay(h) = %d\n", mode->vdisplay);
- dev_info(dev->dev, "HSS = %d\n", mode->hsync_start);
- dev_info(dev->dev, "HSE = %d\n", mode->hsync_end);
- dev_info(dev->dev, "htotal = %d\n", mode->htotal);
- dev_info(dev->dev, "VSS = %d\n", mode->vsync_start);
- dev_info(dev->dev, "VSE = %d\n", mode->vsync_end);
- dev_info(dev->dev, "vtotal = %d\n", mode->vtotal);
- dev_info(dev->dev, "clock = %d\n", mode->clock);
-
- drm_mode_set_name(mode);
- drm_mode_set_crtcinfo(mode, 0);
-
- mode->type |= DRM_MODE_TYPE_PREFERRED;
-
- return mode;
-}
-
-/* DV1 Active area 216.96 x 135.6 mm */
-#define DV1_PANEL_WIDTH 217
-#define DV1_PANEL_HEIGHT 136
-
-static int tc35876x_get_panel_info(struct drm_device *dev, int pipe,
- struct panel_info *pi)
-{
- if (!dev || !pi)
- return -EINVAL;
-
- pi->width_mm = DV1_PANEL_WIDTH;
- pi->height_mm = DV1_PANEL_HEIGHT;
-
- return 0;
-}
-
-static int tc35876x_bridge_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- dev_info(&client->dev, "%s\n", __func__);
-
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- dev_err(&client->dev, "%s: i2c_check_functionality() failed\n",
- __func__);
- return -ENODEV;
- }
-
- bridge_reset = devm_gpiod_get_optional(&client->dev, "bridge-reset", GPIOD_OUT_LOW);
- if (IS_ERR(bridge_reset))
- return PTR_ERR(bridge_reset);
- if (bridge_reset)
- gpiod_set_consumer_name(bridge_reset, "tc35876x bridge reset");
-
- bridge_bl_enable = devm_gpiod_get_optional(&client->dev, "bl-en", GPIOD_OUT_LOW);
- if (IS_ERR(bridge_bl_enable))
- return PTR_ERR(bridge_bl_enable);
- if (bridge_bl_enable)
- gpiod_set_consumer_name(bridge_bl_enable, "tc35876x panel bl en");
-
- backlight_voltage = devm_gpiod_get_optional(&client->dev, "vadd", GPIOD_OUT_LOW);
- if (IS_ERR(backlight_voltage))
- return PTR_ERR(backlight_voltage);
- if (backlight_voltage)
- gpiod_set_consumer_name(backlight_voltage, "tc35876x panel vadd");
-
- tc35876x_client = client;
-
- return 0;
-}
-
-static int tc35876x_bridge_remove(struct i2c_client *client)
-{
- dev_dbg(&client->dev, "%s\n", __func__);
-
- tc35876x_client = NULL;
-
- return 0;
-}
-
-static const struct i2c_device_id tc35876x_bridge_id[] = {
- { "i2c_disp_brig", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, tc35876x_bridge_id);
-
-static struct i2c_driver tc35876x_bridge_i2c_driver = {
- .driver = {
- .name = "i2c_disp_brig",
- },
- .id_table = tc35876x_bridge_id,
- .probe = tc35876x_bridge_probe,
- .remove = tc35876x_bridge_remove,
-};
-
-/* LCD panel I2C */
-static int cmi_lcd_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- dev_info(&client->dev, "%s\n", __func__);
-
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
- dev_err(&client->dev, "%s: i2c_check_functionality() failed\n",
- __func__);
- return -ENODEV;
- }
-
- cmi_lcd_i2c_client = client;
-
- return 0;
-}
-
-static int cmi_lcd_i2c_remove(struct i2c_client *client)
-{
- dev_dbg(&client->dev, "%s\n", __func__);
-
- cmi_lcd_i2c_client = NULL;
-
- return 0;
-}
-
-static const struct i2c_device_id cmi_lcd_i2c_id[] = {
- { "cmi-lcd", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, cmi_lcd_i2c_id);
-
-static struct i2c_driver cmi_lcd_i2c_driver = {
- .driver = {
- .name = "cmi-lcd",
- },
- .id_table = cmi_lcd_i2c_id,
- .probe = cmi_lcd_i2c_probe,
- .remove = cmi_lcd_i2c_remove,
-};
-
-/* HACK to create I2C device while it's not created by platform code */
-#define CMI_LCD_I2C_ADAPTER 2
-#define CMI_LCD_I2C_ADDR 0x60
-
-static int cmi_lcd_hack_create_device(void)
-{
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- struct i2c_board_info info = {
- .type = "cmi-lcd",
- .addr = CMI_LCD_I2C_ADDR,
- };
-
- pr_debug("%s\n", __func__);
-
- adapter = i2c_get_adapter(CMI_LCD_I2C_ADAPTER);
- if (!adapter) {
- pr_err("%s: i2c_get_adapter(%d) failed\n", __func__,
- CMI_LCD_I2C_ADAPTER);
- return -EINVAL;
- }
-
- client = i2c_new_client_device(adapter, &info);
- if (IS_ERR(client)) {
- pr_err("%s: creating I2C device failed\n", __func__);
- i2c_put_adapter(adapter);
- return PTR_ERR(client);
- }
-
- return 0;
-}
-
-static const struct drm_encoder_helper_funcs tc35876x_encoder_helper_funcs = {
- .dpms = mdfld_dsi_dpi_dpms,
- .mode_fixup = mdfld_dsi_dpi_mode_fixup,
- .prepare = mdfld_dsi_dpi_prepare,
- .mode_set = mdfld_dsi_dpi_mode_set,
- .commit = mdfld_dsi_dpi_commit,
-};
-
-const struct panel_funcs mdfld_tc35876x_funcs = {
- .encoder_helper_funcs = &tc35876x_encoder_helper_funcs,
- .get_config_mode = tc35876x_get_config_mode,
- .get_panel_info = tc35876x_get_panel_info,
-};
-
-void tc35876x_init(struct drm_device *dev)
-{
- int r;
-
- dev_dbg(dev->dev, "%s\n", __func__);
-
- cmi_lcd_hack_create_device();
-
- r = i2c_add_driver(&cmi_lcd_i2c_driver);
- if (r < 0)
- dev_err(dev->dev,
- "%s: i2c_add_driver() for %s failed (%d)\n",
- __func__, cmi_lcd_i2c_driver.driver.name, r);
-
- r = i2c_add_driver(&tc35876x_bridge_i2c_driver);
- if (r < 0)
- dev_err(dev->dev,
- "%s: i2c_add_driver() for %s failed (%d)\n",
- __func__, tc35876x_bridge_i2c_driver.driver.name, r);
-
- tc35876x_brightness_init(dev);
-}
-
-void tc35876x_exit(void)
-{
- pr_debug("%s\n", __func__);
-
- i2c_del_driver(&tc35876x_bridge_i2c_driver);
-
- if (cmi_lcd_i2c_client)
- i2c_del_driver(&cmi_lcd_i2c_driver);
-}
+++ /dev/null
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- */
-
-#ifndef __MDFLD_DSI_LVDS_BRIDGE_H__
-#define __MDFLD_DSI_LVDS_BRIDGE_H__
-
-void tc35876x_set_bridge_reset_state(struct drm_device *dev, int state);
-void tc35876x_configure_lvds_bridge(struct drm_device *dev);
-void tc35876x_brightness_control(struct drm_device *dev, int level);
-void tc35876x_toshiba_bridge_panel_off(struct drm_device *dev);
-void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev);
-void tc35876x_init(struct drm_device *dev);
-void tc35876x_exit(void);
-
-extern const struct panel_funcs mdfld_tc35876x_funcs;
-
-#endif /*__MDFLD_DSI_LVDS_BRIDGE_H__*/
projects / linux-2.6-microblaze.git / commitdiff