diff options
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/media/rc/gpio-ir-recv.c | 2 | ||||
| -rw-r--r-- | drivers/media/rc/gpio-ir-tx.c | 2 | ||||
| -rw-r--r-- | drivers/media/rc/ir-rx51.c | 2 | ||||
| -rw-r--r-- | drivers/media/rc/meson-ir.c | 122 | ||||
| -rw-r--r-- | drivers/media/rc/mtk-cir.c | 3 | ||||
| -rw-r--r-- | drivers/media/rc/sunxi-cir.c | 3 |
7 files changed, 68 insertions, 67 deletions
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 922c790b577e..07bdf649c60d 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -274,6 +274,7 @@ config IR_MCEUSB config IR_MESON tristate "Amlogic Meson IR remote receiver" depends on ARCH_MESON || COMPILE_TEST + select REGMAP_MMIO help Say Y if you want to use the IR remote receiver available on Amlogic Meson SoCs. diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c index 27f55ea966c6..41eeec648803 100644 --- a/drivers/media/rc/gpio-ir-recv.c +++ b/drivers/media/rc/gpio-ir-recv.c @@ -205,7 +205,7 @@ static struct platform_driver gpio_ir_recv_driver = { .remove_new = gpio_ir_recv_remove, .driver = { .name = KBUILD_MODNAME, - .of_match_table = of_match_ptr(gpio_ir_recv_of_match), + .of_match_table = gpio_ir_recv_of_match, #ifdef CONFIG_PM .pm = &gpio_ir_recv_pm_ops, #endif diff --git a/drivers/media/rc/gpio-ir-tx.c b/drivers/media/rc/gpio-ir-tx.c index 2b829c146db1..1a8fea357f14 100644 --- a/drivers/media/rc/gpio-ir-tx.c +++ b/drivers/media/rc/gpio-ir-tx.c @@ -199,7 +199,7 @@ static struct platform_driver gpio_ir_tx_driver = { .probe = gpio_ir_tx_probe, .driver = { .name = DRIVER_NAME, - .of_match_table = of_match_ptr(gpio_ir_tx_of_match), + .of_match_table = gpio_ir_tx_of_match, }, }; module_platform_driver(gpio_ir_tx_driver); diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c index adbbe639a261..13e81bf8005d 100644 --- a/drivers/media/rc/ir-rx51.c +++ b/drivers/media/rc/ir-rx51.c @@ -275,7 +275,7 @@ static struct platform_driver ir_rx51_platform_driver = { .resume = ir_rx51_resume, .driver = { .name = KBUILD_MODNAME, - .of_match_table = of_match_ptr(ir_rx51_match), + .of_match_table = ir_rx51_match, }, }; module_platform_driver(ir_rx51_platform_driver); diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c index 49aa309d1a8c..70322fab34ac 100644 --- a/drivers/media/rc/meson-ir.c +++ b/drivers/media/rc/meson-ir.c @@ -10,71 +10,57 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> -#include <linux/of_platform.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/spinlock.h> #include <linux/bitfield.h> +#include <linux/regmap.h> #include <media/rc-core.h> #define DRIVER_NAME "meson-ir" -/* valid on all Meson platforms */ #define IR_DEC_LDR_ACTIVE 0x00 #define IR_DEC_LDR_IDLE 0x04 #define IR_DEC_LDR_REPEAT 0x08 #define IR_DEC_BIT_0 0x0c #define IR_DEC_REG0 0x10 +#define IR_DEC_REG0_BASE_TIME GENMASK(11, 0) #define IR_DEC_FRAME 0x14 #define IR_DEC_STATUS 0x18 +#define IR_DEC_STATUS_PULSE BIT(8) #define IR_DEC_REG1 0x1c -/* only available on Meson 8b and newer */ +#define IR_DEC_REG1_TIME_IV GENMASK(28, 16) +#define IR_DEC_REG1_ENABLE BIT(15) +#define IR_DEC_REG1_MODE GENMASK(8, 7) +#define IR_DEC_REG1_IRQSEL GENMASK(3, 2) +#define IR_DEC_REG1_RESET BIT(0) +/* The following regs are only available on Meson 8b and newer */ #define IR_DEC_REG2 0x20 +#define IR_DEC_REG2_MODE GENMASK(3, 0) -#define REG0_RATE_MASK GENMASK(11, 0) +#define DEC_MODE_NEC 0x0 +#define DEC_MODE_RAW 0x2 -#define DECODE_MODE_NEC 0x0 -#define DECODE_MODE_RAW 0x2 +#define IRQSEL_NEC_MODE 0 +#define IRQSEL_RISE_FALL 1 +#define IRQSEL_FALL 2 +#define IRQSEL_RISE 3 -/* Meson 6b uses REG1 to configure the mode */ -#define REG1_MODE_MASK GENMASK(8, 7) -#define REG1_MODE_SHIFT 7 - -/* Meson 8b / GXBB use REG2 to configure the mode */ -#define REG2_MODE_MASK GENMASK(3, 0) -#define REG2_MODE_SHIFT 0 - -#define REG1_TIME_IV_MASK GENMASK(28, 16) - -#define REG1_IRQSEL_MASK GENMASK(3, 2) -#define REG1_IRQSEL_NEC_MODE 0 -#define REG1_IRQSEL_RISE_FALL 1 -#define REG1_IRQSEL_FALL 2 -#define REG1_IRQSEL_RISE 3 - -#define REG1_RESET BIT(0) -#define REG1_ENABLE BIT(15) - -#define STATUS_IR_DEC_IN BIT(8) - -#define MESON_TRATE 10 /* us */ +#define MESON_RAW_TRATE 10 /* us */ +#define MESON_HW_TRATE 20 /* us */ struct meson_ir { - void __iomem *reg; + struct regmap *reg; struct rc_dev *rc; spinlock_t lock; }; -static void meson_ir_set_mask(struct meson_ir *ir, unsigned int reg, - u32 mask, u32 value) -{ - u32 data; - - data = readl(ir->reg + reg); - data &= ~mask; - data |= (value & mask); - writel(data, ir->reg + reg); -} +static const struct regmap_config meson_ir_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; static irqreturn_t meson_ir_irq(int irqno, void *dev_id) { @@ -84,12 +70,12 @@ static irqreturn_t meson_ir_irq(int irqno, void *dev_id) spin_lock(&ir->lock); - duration = readl_relaxed(ir->reg + IR_DEC_REG1); - duration = FIELD_GET(REG1_TIME_IV_MASK, duration); - rawir.duration = duration * MESON_TRATE; + regmap_read(ir->reg, IR_DEC_REG1, &duration); + duration = FIELD_GET(IR_DEC_REG1_TIME_IV, duration); + rawir.duration = duration * MESON_RAW_TRATE; - status = readl_relaxed(ir->reg + IR_DEC_STATUS); - rawir.pulse = !!(status & STATUS_IR_DEC_IN); + regmap_read(ir->reg, IR_DEC_STATUS, &status); + rawir.pulse = !!(status & IR_DEC_STATUS_PULSE); ir_raw_event_store_with_timeout(ir->rc, &rawir); @@ -102,6 +88,7 @@ static int meson_ir_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; + void __iomem *res_start; const char *map_name; struct meson_ir *ir; int irq, ret; @@ -110,7 +97,12 @@ static int meson_ir_probe(struct platform_device *pdev) if (!ir) return -ENOMEM; - ir->reg = devm_platform_ioremap_resource(pdev, 0); + res_start = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(res_start)) + return PTR_ERR(res_start); + + ir->reg = devm_regmap_init_mmio(&pdev->dev, res_start, + &meson_ir_regmap_config); if (IS_ERR(ir->reg)) return PTR_ERR(ir->reg); @@ -131,7 +123,7 @@ static int meson_ir_probe(struct platform_device *pdev) map_name = of_get_property(node, "linux,rc-map-name", NULL); ir->rc->map_name = map_name ? map_name : RC_MAP_EMPTY; ir->rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; - ir->rc->rx_resolution = MESON_TRATE; + ir->rc->rx_resolution = MESON_RAW_TRATE; ir->rc->min_timeout = 1; ir->rc->timeout = IR_DEFAULT_TIMEOUT; ir->rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT; @@ -153,24 +145,28 @@ static int meson_ir_probe(struct platform_device *pdev) } /* Reset the decoder */ - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_RESET, REG1_RESET); - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_RESET, 0); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_RESET, + IR_DEC_REG1_RESET); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_RESET, 0); /* Set general operation mode (= raw/software decoding) */ if (of_device_is_compatible(node, "amlogic,meson6-ir")) - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_MODE_MASK, - FIELD_PREP(REG1_MODE_MASK, DECODE_MODE_RAW)); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_MODE, + FIELD_PREP(IR_DEC_REG1_MODE, DEC_MODE_RAW)); else - meson_ir_set_mask(ir, IR_DEC_REG2, REG2_MODE_MASK, - FIELD_PREP(REG2_MODE_MASK, DECODE_MODE_RAW)); + regmap_update_bits(ir->reg, IR_DEC_REG2, IR_DEC_REG2_MODE, + FIELD_PREP(IR_DEC_REG2_MODE, DEC_MODE_RAW)); /* Set rate */ - meson_ir_set_mask(ir, IR_DEC_REG0, REG0_RATE_MASK, MESON_TRATE - 1); + regmap_update_bits(ir->reg, IR_DEC_REG0, IR_DEC_REG0_BASE_TIME, + FIELD_PREP(IR_DEC_REG0_BASE_TIME, + MESON_RAW_TRATE - 1)); /* IRQ on rising and falling edges */ - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_IRQSEL_MASK, - FIELD_PREP(REG1_IRQSEL_MASK, REG1_IRQSEL_RISE_FALL)); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_IRQSEL, + FIELD_PREP(IR_DEC_REG1_IRQSEL, IRQSEL_RISE_FALL)); /* Enable the decoder */ - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_ENABLE, REG1_ENABLE); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_ENABLE, + IR_DEC_REG1_ENABLE); dev_info(dev, "receiver initialized\n"); @@ -184,7 +180,7 @@ static void meson_ir_remove(struct platform_device *pdev) /* Disable the decoder */ spin_lock_irqsave(&ir->lock, flags); - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_ENABLE, 0); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_ENABLE, 0); spin_unlock_irqrestore(&ir->lock, flags); } @@ -202,14 +198,16 @@ static void meson_ir_shutdown(struct platform_device *pdev) * bootloader a chance to power the system back on */ if (of_device_is_compatible(node, "amlogic,meson6-ir")) - meson_ir_set_mask(ir, IR_DEC_REG1, REG1_MODE_MASK, - DECODE_MODE_NEC << REG1_MODE_SHIFT); + regmap_update_bits(ir->reg, IR_DEC_REG1, IR_DEC_REG1_MODE, + FIELD_PREP(IR_DEC_REG1_MODE, DEC_MODE_NEC)); else - meson_ir_set_mask(ir, IR_DEC_REG2, REG2_MODE_MASK, - DECODE_MODE_NEC << REG2_MODE_SHIFT); + regmap_update_bits(ir->reg, IR_DEC_REG2, IR_DEC_REG2_MODE, + FIELD_PREP(IR_DEC_REG2_MODE, DEC_MODE_NEC)); /* Set rate to default value */ - meson_ir_set_mask(ir, IR_DEC_REG0, REG0_RATE_MASK, 0x13); + regmap_update_bits(ir->reg, IR_DEC_REG0, IR_DEC_REG0_BASE_TIME, + FIELD_PREP(IR_DEC_REG0_BASE_TIME, + MESON_HW_TRATE - 1)); spin_unlock_irqrestore(&ir->lock, flags); } diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c index df9349330a93..4e294e59d3cb 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -8,7 +8,8 @@ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/of_platform.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/reset.h> #include <media/rc-core.h> diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c index 75b7aed1579c..bf58c965ead8 100644 --- a/drivers/media/rc/sunxi-cir.c +++ b/drivers/media/rc/sunxi-cir.c @@ -13,7 +13,8 @@ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/of_platform.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/reset.h> #include <media/rc-core.h> |