+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2017 Sigma Designs
- */
-
-#include <linux/module.h>
-#include <media/rc-map.h>
-
-static struct rc_map_table tango_table[] = {
- { 0x4cb4a, KEY_POWER },
- { 0x4cb48, KEY_FILE },
- { 0x4cb0f, KEY_SETUP },
- { 0x4cb4d, KEY_SUSPEND },
- { 0x4cb4e, KEY_VOLUMEUP },
- { 0x4cb44, KEY_EJECTCD },
- { 0x4cb13, KEY_TV },
- { 0x4cb51, KEY_MUTE },
- { 0x4cb52, KEY_VOLUMEDOWN },
-
- { 0x4cb41, KEY_NUMERIC_1 },
- { 0x4cb03, KEY_NUMERIC_2 },
- { 0x4cb42, KEY_NUMERIC_3 },
- { 0x4cb45, KEY_NUMERIC_4 },
- { 0x4cb07, KEY_NUMERIC_5 },
- { 0x4cb46, KEY_NUMERIC_6 },
- { 0x4cb55, KEY_NUMERIC_7 },
- { 0x4cb17, KEY_NUMERIC_8 },
- { 0x4cb56, KEY_NUMERIC_9 },
- { 0x4cb1b, KEY_NUMERIC_0 },
- { 0x4cb59, KEY_DELETE },
- { 0x4cb5a, KEY_CAPSLOCK },
-
- { 0x4cb47, KEY_BACK },
- { 0x4cb05, KEY_SWITCHVIDEOMODE },
- { 0x4cb06, KEY_UP },
- { 0x4cb43, KEY_LEFT },
- { 0x4cb01, KEY_RIGHT },
- { 0x4cb0a, KEY_DOWN },
- { 0x4cb02, KEY_ENTER },
- { 0x4cb4b, KEY_INFO },
- { 0x4cb09, KEY_HOME },
-
- { 0x4cb53, KEY_MENU },
- { 0x4cb12, KEY_PREVIOUS },
- { 0x4cb50, KEY_PLAY },
- { 0x4cb11, KEY_NEXT },
- { 0x4cb4f, KEY_TITLE },
- { 0x4cb0e, KEY_REWIND },
- { 0x4cb4c, KEY_STOP },
- { 0x4cb0d, KEY_FORWARD },
- { 0x4cb57, KEY_MEDIA_REPEAT },
- { 0x4cb16, KEY_ANGLE },
- { 0x4cb54, KEY_PAUSE },
- { 0x4cb15, KEY_SLOW },
- { 0x4cb5b, KEY_TIME },
- { 0x4cb1a, KEY_AUDIO },
- { 0x4cb58, KEY_SUBTITLE },
- { 0x4cb19, KEY_ZOOM },
-
- { 0x4cb5f, KEY_RED },
- { 0x4cb1e, KEY_GREEN },
- { 0x4cb5c, KEY_YELLOW },
- { 0x4cb1d, KEY_BLUE },
-};
-
-static struct rc_map_list tango_map = {
- .map = {
- .scan = tango_table,
- .size = ARRAY_SIZE(tango_table),
- .rc_proto = RC_PROTO_NECX,
- .name = RC_MAP_TANGO,
- }
-};
-
-static int __init init_rc_map_tango(void)
-{
- return rc_map_register(&tango_map);
-}
-
-static void __exit exit_rc_map_tango(void)
-{
- rc_map_unregister(&tango_map);
-}
-
-module_init(init_rc_map_tango)
-module_exit(exit_rc_map_tango)
-
-MODULE_AUTHOR("Sigma Designs");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2015 Mans Rullgard <mans@mansr.com>
- */
-
-#include <linux/input.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/of.h>
-#include <media/rc-core.h>
-
-#define DRIVER_NAME "tango-ir"
-
-#define IR_NEC_CTRL 0x00
-#define IR_NEC_DATA 0x04
-#define IR_CTRL 0x08
-#define IR_RC5_CLK_DIV 0x0c
-#define IR_RC5_DATA 0x10
-#define IR_INT 0x14
-
-#define NEC_TIME_BASE 560
-#define RC5_TIME_BASE 1778
-
-#define RC6_CTRL 0x00
-#define RC6_CLKDIV 0x04
-#define RC6_DATA0 0x08
-#define RC6_DATA1 0x0c
-#define RC6_DATA2 0x10
-#define RC6_DATA3 0x14
-#define RC6_DATA4 0x18
-
-#define RC6_CARRIER 36000
-#define RC6_TIME_BASE 16
-
-#define NEC_CAP(n) ((n) << 24)
-#define GPIO_SEL(n) ((n) << 16)
-#define DISABLE_NEC (BIT(4) | BIT(8))
-#define ENABLE_RC5 (BIT(0) | BIT(9))
-#define ENABLE_RC6 (BIT(0) | BIT(7))
-#define ACK_IR_INT (BIT(0) | BIT(1))
-#define ACK_RC6_INT (BIT(31))
-
-#define NEC_ANY (RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | RC_PROTO_BIT_NEC32)
-
-struct tango_ir {
- void __iomem *rc5_base;
- void __iomem *rc6_base;
- struct rc_dev *rc;
- struct clk *clk;
-};
-
-static void tango_ir_handle_nec(struct tango_ir *ir)
-{
- u32 v, code;
- enum rc_proto proto;
-
- v = readl_relaxed(ir->rc5_base + IR_NEC_DATA);
- if (!v) {
- rc_repeat(ir->rc);
- return;
- }
-
- code = ir_nec_bytes_to_scancode(v, v >> 8, v >> 16, v >> 24, &proto);
- rc_keydown(ir->rc, proto, code, 0);
-}
-
-static void tango_ir_handle_rc5(struct tango_ir *ir)
-{
- u32 data, field, toggle, addr, cmd, code;
-
- data = readl_relaxed(ir->rc5_base + IR_RC5_DATA);
- if (data & BIT(31))
- return;
-
- field = data >> 12 & 1;
- toggle = data >> 11 & 1;
- addr = data >> 6 & 0x1f;
- cmd = (data & 0x3f) | (field ^ 1) << 6;
-
- code = RC_SCANCODE_RC5(addr, cmd);
- rc_keydown(ir->rc, RC_PROTO_RC5, code, toggle);
-}
-
-static void tango_ir_handle_rc6(struct tango_ir *ir)
-{
- u32 data0, data1, toggle, mode, addr, cmd, code;
-
- data0 = readl_relaxed(ir->rc6_base + RC6_DATA0);
- data1 = readl_relaxed(ir->rc6_base + RC6_DATA1);
-
- mode = data0 >> 1 & 7;
- if (mode != 0)
- return;
-
- toggle = data0 & 1;
- addr = data0 >> 16;
- cmd = data1;
-
- code = RC_SCANCODE_RC6_0(addr, cmd);
- rc_keydown(ir->rc, RC_PROTO_RC6_0, code, toggle);
-}
-
-static irqreturn_t tango_ir_irq(int irq, void *dev_id)
-{
- struct tango_ir *ir = dev_id;
- unsigned int rc5_stat;
- unsigned int rc6_stat;
-
- rc5_stat = readl_relaxed(ir->rc5_base + IR_INT);
- writel_relaxed(rc5_stat, ir->rc5_base + IR_INT);
-
- rc6_stat = readl_relaxed(ir->rc6_base + RC6_CTRL);
- writel_relaxed(rc6_stat, ir->rc6_base + RC6_CTRL);
-
- if (!(rc5_stat & 3) && !(rc6_stat & BIT(31)))
- return IRQ_NONE;
-
- if (rc5_stat & BIT(0))
- tango_ir_handle_rc5(ir);
-
- if (rc5_stat & BIT(1))
- tango_ir_handle_nec(ir);
-
- if (rc6_stat & BIT(31))
- tango_ir_handle_rc6(ir);
-
- return IRQ_HANDLED;
-}
-
-static int tango_change_protocol(struct rc_dev *dev, u64 *rc_type)
-{
- struct tango_ir *ir = dev->priv;
- u32 rc5_ctrl = DISABLE_NEC;
- u32 rc6_ctrl = 0;
-
- if (*rc_type & NEC_ANY)
- rc5_ctrl = 0;
-
- if (*rc_type & RC_PROTO_BIT_RC5)
- rc5_ctrl |= ENABLE_RC5;
-
- if (*rc_type & RC_PROTO_BIT_RC6_0)
- rc6_ctrl = ENABLE_RC6;
-
- writel_relaxed(rc5_ctrl, ir->rc5_base + IR_CTRL);
- writel_relaxed(rc6_ctrl, ir->rc6_base + RC6_CTRL);
-
- return 0;
-}
-
-static int tango_ir_probe(struct platform_device *pdev)
-{
- const char *map_name = RC_MAP_TANGO;
- struct device *dev = &pdev->dev;
- struct rc_dev *rc;
- struct tango_ir *ir;
- u64 clkrate, clkdiv;
- int irq, err;
- u32 val;
-
- irq = platform_get_irq(pdev, 0);
- if (irq <= 0)
- return -EINVAL;
-
- ir = devm_kzalloc(dev, sizeof(*ir), GFP_KERNEL);
- if (!ir)
- return -ENOMEM;
-
- ir->rc5_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(ir->rc5_base))
- return PTR_ERR(ir->rc5_base);
-
- ir->rc6_base = devm_platform_ioremap_resource(pdev, 1);
- if (IS_ERR(ir->rc6_base))
- return PTR_ERR(ir->rc6_base);
-
- ir->clk = devm_clk_get(dev, NULL);
- if (IS_ERR(ir->clk))
- return PTR_ERR(ir->clk);
-
- rc = devm_rc_allocate_device(dev, RC_DRIVER_SCANCODE);
- if (!rc)
- return -ENOMEM;
-
- of_property_read_string(dev->of_node, "linux,rc-map-name", &map_name);
-
- rc->device_name = DRIVER_NAME;
- rc->driver_name = DRIVER_NAME;
- rc->input_phys = DRIVER_NAME "/input0";
- rc->map_name = map_name;
- rc->allowed_protocols = NEC_ANY | RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC6_0;
- rc->change_protocol = tango_change_protocol;
- rc->priv = ir;
- ir->rc = rc;
-
- err = clk_prepare_enable(ir->clk);
- if (err)
- return err;
-
- clkrate = clk_get_rate(ir->clk);
-
- clkdiv = clkrate * NEC_TIME_BASE;
- do_div(clkdiv, 1000000);
-
- val = NEC_CAP(31) | GPIO_SEL(12) | clkdiv;
- writel_relaxed(val, ir->rc5_base + IR_NEC_CTRL);
-
- clkdiv = clkrate * RC5_TIME_BASE;
- do_div(clkdiv, 1000000);
-
- writel_relaxed(DISABLE_NEC, ir->rc5_base + IR_CTRL);
- writel_relaxed(clkdiv, ir->rc5_base + IR_RC5_CLK_DIV);
- writel_relaxed(ACK_IR_INT, ir->rc5_base + IR_INT);
-
- clkdiv = clkrate * RC6_TIME_BASE;
- do_div(clkdiv, RC6_CARRIER);
-
- writel_relaxed(ACK_RC6_INT, ir->rc6_base + RC6_CTRL);
- writel_relaxed((clkdiv >> 2) << 18 | clkdiv, ir->rc6_base + RC6_CLKDIV);
-
- err = devm_request_irq(dev, irq, tango_ir_irq, IRQF_SHARED,
- dev_name(dev), ir);
- if (err)
- goto err_clk;
-
- err = devm_rc_register_device(dev, rc);
- if (err)
- goto err_clk;
-
- platform_set_drvdata(pdev, ir);
- return 0;
-
-err_clk:
- clk_disable_unprepare(ir->clk);
- return err;
-}
-
-static int tango_ir_remove(struct platform_device *pdev)
-{
- struct tango_ir *ir = platform_get_drvdata(pdev);
-
- clk_disable_unprepare(ir->clk);
- return 0;
-}
-
-static const struct of_device_id tango_ir_dt_ids[] = {
- { .compatible = "sigma,smp8642-ir" },
- { }
-};
-MODULE_DEVICE_TABLE(of, tango_ir_dt_ids);
-
-static struct platform_driver tango_ir_driver = {
- .probe = tango_ir_probe,
- .remove = tango_ir_remove,
- .driver = {
- .name = DRIVER_NAME,
- .of_match_table = tango_ir_dt_ids,
- },
-};
-module_platform_driver(tango_ir_driver);
-
-MODULE_DESCRIPTION("SMP86xx IR decoder driver");
-MODULE_AUTHOR("Mans Rullgard <mans@mansr.com>");
-MODULE_LICENSE("GPL");
projects / linux-2.6-microblaze.git / commitdiff