omap-4-5-pm-common = omap-mpuss-lowpower.o
obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-pm-common)
obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-pm-common)
-obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o
#include <linux/platform_data/omapdss.h>
#include "omap_hwmod.h"
#include "omap_device.h"
-#include "omap-pm.h"
#include "common.h"
#include "soc.h"
omap4_dsi_mux_pads(dsi_id, 0);
}
-static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput)
-{
- return omap_pm_set_min_bus_tput(dev, OCP_INITIATOR_AGENT, tput);
-}
-
static enum omapdss_version __init omap_display_get_version(void)
{
if (cpu_is_omap24xx())
static struct omap_dss_board_info board_data = {
.dsi_enable_pads = omap_dsi_enable_pads,
.dsi_disable_pads = omap_dsi_disable_pads,
- .set_min_bus_tput = omap_dss_set_min_bus_tput,
};
struct device_node *node;
int r;
#include "soc.h"
#include "omap_device.h"
-#include "omap-pm.h"
#include "hsmmc.h"
#include "control.h"
#include "soc.h"
#include "omap_hwmod.h"
#include "omap_device.h"
-#include "omap-pm.h"
#include "prm.h"
#include "common.h"
#include "clock.h"
#include "clock2xxx.h"
#include "clock3xxx.h"
-#include "omap-pm.h"
#include "sdrc.h"
#include "control.h"
#include "serial.h"
postsetup_state = _HWMOD_STATE_ENABLED;
#endif
omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
-
- omap_pm_if_early_init();
}
static void __init __maybe_unused omap_common_late_init(void)
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * omap-pm-noop.c - OMAP power management interface - dummy version
- *
- * This code implements the OMAP power management interface to
- * drivers, CPUIdle, CPUFreq, and DSP Bridge. It is strictly for
- * debug/demonstration use, as it does nothing but printk() whenever a
- * function is called (when DEBUG is defined, below)
- *
- * Copyright (C) 2008-2009 Texas Instruments, Inc.
- * Copyright (C) 2008-2009 Nokia Corporation
- * Paul Walmsley
- *
- * Interface developed by (in alphabetical order):
- * Karthik Dasu, Tony Lindgren, Rajendra Nayak, Sakari Poussa, Veeramanikandan
- * Raju, Anand Sawant, Igor Stoppa, Paul Walmsley, Richard Woodruff
- */
-
-#undef DEBUG
-
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-
-#include "omap_device.h"
-#include "omap-pm.h"
-
-static bool off_mode_enabled;
-static int dummy_context_loss_counter;
-
-/*
- * Device-driver-originated constraints (via board-*.c files)
- */
-
-int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t)
-{
- if (!dev || t < -1) {
- WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
- return -EINVAL;
- }
-
- if (t == -1)
- pr_debug("OMAP PM: remove max MPU wakeup latency constraint: dev %s\n",
- dev_name(dev));
- else
- pr_debug("OMAP PM: add max MPU wakeup latency constraint: dev %s, t = %ld usec\n",
- dev_name(dev), t);
-
- /*
- * For current Linux, this needs to map the MPU to a
- * powerdomain, then go through the list of current max lat
- * constraints on the MPU and find the smallest. If
- * the latency constraint has changed, the code should
- * recompute the state to enter for the next powerdomain
- * state.
- *
- * TI CDP code can call constraint_set here.
- */
-
- return 0;
-}
-
-int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r)
-{
- if (!dev || (agent_id != OCP_INITIATOR_AGENT &&
- agent_id != OCP_TARGET_AGENT)) {
- WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
- return -EINVAL;
- }
-
- if (r == 0)
- pr_debug("OMAP PM: remove min bus tput constraint: dev %s for agent_id %d\n",
- dev_name(dev), agent_id);
- else
- pr_debug("OMAP PM: add min bus tput constraint: dev %s for agent_id %d: rate %ld KiB\n",
- dev_name(dev), agent_id, r);
-
- /*
- * This code should model the interconnect and compute the
- * required clock frequency, convert that to a VDD2 OPP ID, then
- * set the VDD2 OPP appropriately.
- *
- * TI CDP code can call constraint_set here on the VDD2 OPP.
- */
-
- return 0;
-}
-
-/*
- * DSP Bridge-specific constraints
- */
-
-
-/**
- * omap_pm_enable_off_mode - notify OMAP PM that off-mode is enabled
- *
- * Intended for use only by OMAP PM core code to notify this layer
- * that off mode has been enabled.
- */
-void omap_pm_enable_off_mode(void)
-{
- off_mode_enabled = true;
-}
-
-/**
- * omap_pm_disable_off_mode - notify OMAP PM that off-mode is disabled
- *
- * Intended for use only by OMAP PM core code to notify this layer
- * that off mode has been disabled.
- */
-void omap_pm_disable_off_mode(void)
-{
- off_mode_enabled = false;
-}
-
-/*
- * Device context loss tracking
- */
-
-#ifdef CONFIG_ARCH_OMAP2PLUS
-
-int omap_pm_get_dev_context_loss_count(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- int count;
-
- if (WARN_ON(!dev))
- return -ENODEV;
-
- if (dev->pm_domain == &omap_device_pm_domain) {
- count = omap_device_get_context_loss_count(pdev);
- } else {
- WARN_ONCE(off_mode_enabled, "omap_pm: using dummy context loss counter; device %s should be converted to omap_device",
- dev_name(dev));
-
- count = dummy_context_loss_counter;
-
- if (off_mode_enabled) {
- count++;
- /*
- * Context loss count has to be a non-negative value.
- * Clear the sign bit to get a value range from 0 to
- * INT_MAX.
- */
- count &= INT_MAX;
- dummy_context_loss_counter = count;
- }
- }
-
- pr_debug("OMAP PM: context loss count for dev %s = %d\n",
- dev_name(dev), count);
-
- return count;
-}
-
-#else
-
-int omap_pm_get_dev_context_loss_count(struct device *dev)
-{
- return dummy_context_loss_counter;
-}
-
-#endif
-
-/* Should be called before clk framework init */
-int __init omap_pm_if_early_init(void)
-{
- return 0;
-}
-
-/* Must be called after clock framework is initialized */
-int __init omap_pm_if_init(void)
-{
- return 0;
-}
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * omap-pm.h - OMAP power management interface
- *
- * Copyright (C) 2008-2010 Texas Instruments, Inc.
- * Copyright (C) 2008-2010 Nokia Corporation
- * Paul Walmsley
- *
- * Interface developed by (in alphabetical order): Karthik Dasu, Jouni
- * Högander, Tony Lindgren, Rajendra Nayak, Sakari Poussa,
- * Veeramanikandan Raju, Anand Sawant, Igor Stoppa, Paul Walmsley,
- * Richard Woodruff
- */
-
-#ifndef ASM_ARM_ARCH_OMAP_OMAP_PM_H
-#define ASM_ARM_ARCH_OMAP_OMAP_PM_H
-
-#include <linux/device.h>
-#include <linux/cpufreq.h>
-#include <linux/clk.h>
-#include <linux/pm_opp.h>
-
-/*
- * agent_id values for use with omap_pm_set_min_bus_tput():
- *
- * OCP_INITIATOR_AGENT is only valid for devices that can act as
- * initiators -- it represents the device's L3 interconnect
- * connection. OCP_TARGET_AGENT represents the device's L4
- * interconnect connection.
- */
-#define OCP_TARGET_AGENT 1
-#define OCP_INITIATOR_AGENT 2
-
-/**
- * omap_pm_if_early_init - OMAP PM init code called before clock fw init
- * @mpu_opp_table: array ptr to struct omap_opp for MPU
- * @dsp_opp_table: array ptr to struct omap_opp for DSP
- * @l3_opp_table : array ptr to struct omap_opp for CORE
- *
- * Initialize anything that must be configured before the clock
- * framework starts. The "_if_" is to avoid name collisions with the
- * PM idle-loop code.
- */
-int __init omap_pm_if_early_init(void);
-
-/**
- * omap_pm_if_init - OMAP PM init code called after clock fw init
- *
- * The main initialization code. OPP tables are passed in here. The
- * "_if_" is to avoid name collisions with the PM idle-loop code.
- */
-int __init omap_pm_if_init(void);
-
-/*
- * Device-driver-originated constraints (via board-*.c files, platform_data)
- */
-
-
-/**
- * omap_pm_set_max_mpu_wakeup_lat - set the maximum MPU wakeup latency
- * @dev: struct device * requesting the constraint
- * @t: maximum MPU wakeup latency in microseconds
- *
- * Request that the maximum interrupt latency for the MPU to be no
- * greater than @t microseconds. "Interrupt latency" in this case is
- * defined as the elapsed time from the occurrence of a hardware or
- * timer interrupt to the time when the device driver's interrupt
- * service routine has been entered by the MPU.
- *
- * It is intended that underlying PM code will use this information to
- * determine what power state to put the MPU powerdomain into, and
- * possibly the CORE powerdomain as well, since interrupt handling
- * code currently runs from SDRAM. Advanced PM or board*.c code may
- * also configure interrupt controller priorities, OCP bus priorities,
- * CPU speed(s), etc.
- *
- * This function will not affect device wakeup latency, e.g., time
- * elapsed from when a device driver enables a hardware device with
- * clk_enable(), to when the device is ready for register access or
- * other use. To control this device wakeup latency, use
- * omap_pm_set_max_dev_wakeup_lat()
- *
- * Multiple calls to omap_pm_set_max_mpu_wakeup_lat() will replace the
- * previous t value. To remove the latency target for the MPU, call
- * with t = -1.
- *
- * XXX This constraint will be deprecated soon in favor of the more
- * general omap_pm_set_max_dev_wakeup_lat()
- *
- * Returns -EINVAL for an invalid argument, -ERANGE if the constraint
- * is not satisfiable, or 0 upon success.
- */
-int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t);
-
-
-/**
- * omap_pm_set_min_bus_tput - set minimum bus throughput needed by device
- * @dev: struct device * requesting the constraint
- * @tbus_id: interconnect to operate on (OCP_{INITIATOR,TARGET}_AGENT)
- * @r: minimum throughput (in KiB/s)
- *
- * Request that the minimum data throughput on the OCP interconnect
- * attached to device @dev interconnect agent @tbus_id be no less
- * than @r KiB/s.
- *
- * It is expected that the OMAP PM or bus code will use this
- * information to set the interconnect clock to run at the lowest
- * possible speed that satisfies all current system users. The PM or
- * bus code will adjust the estimate based on its model of the bus, so
- * device driver authors should attempt to specify an accurate
- * quantity for their device use case, and let the PM or bus code
- * overestimate the numbers as necessary to handle request/response
- * latency, other competing users on the system, etc. On OMAP2/3, if
- * a driver requests a minimum L4 interconnect speed constraint, the
- * code will also need to add an minimum L3 interconnect speed
- * constraint,
- *
- * Multiple calls to omap_pm_set_min_bus_tput() will replace the
- * previous rate value for this device. To remove the interconnect
- * throughput restriction for this device, call with r = 0.
- *
- * Returns -EINVAL for an invalid argument, -ERANGE if the constraint
- * is not satisfiable, or 0 upon success.
- */
-int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r);
-
-
-/*
- * CPUFreq-originated constraint
- *
- * In the future, this should be handled by custom OPP clocktype
- * functions.
- */
-
-
-/*
- * Device context loss tracking
- */
-
-/**
- * omap_pm_get_dev_context_loss_count - return count of times dev has lost ctx
- * @dev: struct device *
- *
- * This function returns the number of times that the device @dev has
- * lost its internal context. This generally occurs on a powerdomain
- * transition to OFF. Drivers use this as an optimization to avoid restoring
- * context if the device hasn't lost it. To use, drivers should initially
- * call this in their context save functions and store the result. Early in
- * the driver's context restore function, the driver should call this function
- * again, and compare the result to the stored counter. If they differ, the
- * driver must restore device context. If the number of context losses
- * exceeds the maximum positive integer, the function will wrap to 0 and
- * continue counting. Returns the number of context losses for this device,
- * or negative value upon error.
- */
-int omap_pm_get_dev_context_loss_count(struct device *dev);
-
-void omap_pm_enable_off_mode(void);
-void omap_pm_disable_off_mode(void);
-
-#endif
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/ti-sysc.h>
#include <linux/platform_data/wkup_m3.h>
-#include <linux/platform_data/media/ir-rx51.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "common.h"
#include "common-board-devices.h"
#include "control.h"
#include "omap_device.h"
-#include "omap-pm.h"
#include "omap-secure.h"
#include "soc.h"
#include "hsmmc.h"
dev->platform_data = &twl_gpio_auxdata;
}
-static struct ir_rx51_platform_data __maybe_unused rx51_ir_data = {
- .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
-};
-
-static struct platform_device __maybe_unused rx51_ir_device = {
- .name = "ir_rx51",
- .id = -1,
- .dev = {
- .platform_data = &rx51_ir_data,
- },
-};
-
#if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
static struct omap_mcbsp_platform_data mcbsp_pdata;
static void __init omap3_mcbsp_init(void)
"480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
- OF_DEV_AUXDATA("nokia,n900-ir", 0, "n900-ir", &rx51_ir_data),
/* Only on am3517 */
OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
#include "clock.h"
#include "powerdomain.h"
#include "clockdomain.h"
-#include "omap-pm.h"
#include "soc.h"
#include "cm2xxx_3xxx.h"
*option = val;
if (option == &enable_off_mode) {
- if (val)
- omap_pm_enable_off_mode();
- else
- omap_pm_disable_off_mode();
if (cpu_is_omap34xx())
omap3_pm_off_mode_enable(val);
}
#include <linux/pm_opp.h>
#include <linux/export.h>
#include <linux/suspend.h>
+#include <linux/clk.h>
#include <linux/cpu.h>
#include <asm/system_misc.h>
-#include "omap-pm.h"
#include "omap_device.h"
#include "common.h"
omap2_set_init_voltage("iva", "dpll_iva_m5x2_ck", "iva");
}
-static int __init omap2_common_pm_init(void)
-{
- omap_pm_if_init();
-
- return 0;
-}
-omap_postcore_initcall(omap2_common_pm_init);
-
int __init omap2_common_pm_late_init(void)
{
/* Init the voltage layer */
#include "omap_device.h"
#include <plat/counter-32k.h>
#include <clocksource/timer-ti-dm.h>
-#include "omap-pm.h"
#include "soc.h"
#include "common.h"
to data on the serial RX line. This allows you to wake the
system from serial console.
-choice
- prompt "OMAP PM layer selection"
- depends on ARCH_OMAP
- default OMAP_PM_NOOP
-
-config OMAP_PM_NOOP
- bool "No-op/debug PM layer"
-
-endchoice
-
endmenu
endif
#include <linux/hrtimer.h>
#include <media/rc-core.h>
-#include <linux/platform_data/media/ir-rx51.h>
#define WBUF_LEN 256
struct pwm_device *pwm;
struct hrtimer timer;
struct device *dev;
- struct ir_rx51_platform_data *pdata;
wait_queue_head_t wqueue;
unsigned int freq; /* carrier frequency */
ir_rx51->wbuf[count] = -1; /* Insert termination mark */
/*
- * Adjust latency requirements so the device doesn't go in too
- * deep sleep states
+ * REVISIT: Adjust latency requirements so the device doesn't go in too
+ * deep sleep states with pm_qos_add_request().
*/
- ir_rx51->pdata->set_max_mpu_wakeup_lat(ir_rx51->dev, 50);
ir_rx51_on(ir_rx51);
ir_rx51->wbuf_index = 1;
*/
wait_event_interruptible(ir_rx51->wqueue, ir_rx51->wbuf_index < 0);
- /* We can sleep again */
- ir_rx51->pdata->set_max_mpu_wakeup_lat(ir_rx51->dev, -1);
+ /* REVISIT: Remove pm_qos constraint, we can sleep again */
return count;
}
struct pwm_device *pwm;
struct rc_dev *rcdev;
- ir_rx51.pdata = dev->dev.platform_data;
-
- if (!ir_rx51.pdata) {
- dev_err(&dev->dev, "Platform Data is missing\n");
- return -ENXIO;
- }
-
pwm = pwm_get(&dev->dev, NULL);
if (IS_ERR(pwm)) {
int err = PTR_ERR(pwm);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _IR_RX51_H
-#define _IR_RX51_H
-
-struct ir_rx51_platform_data {
- int(*set_max_mpu_wakeup_lat)(struct device *dev, long t);
-};
-
-#endif
projects / linux-2.6-microblaze.git / commitdiff