| Message ID | 20210120142542.4100741-2-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: rc: remove obsolete drivers | expand |
Arnd Bergmann <arnd@kernel.org> writes: > From: Arnd Bergmann <arnd@arndb.de> > > The tango platform is getting removed, so the driver is no > longer needed. > > Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> > Cc: Mans Rullgard <mans@mansr.com> > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > drivers/media/rc/Kconfig | 10 -- > drivers/media/rc/Makefile | 1 - > drivers/media/rc/tango-ir.c | 267 ------------------------------------ > 3 files changed, 278 deletions(-) > delete mode 100644 drivers/media/rc/tango-ir.c The DT binding can go too. Otherwise: Acked-by: Mans Rullgard <mans@mansr.com> > diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig > index 2c0ee2e5b446..39bc75cc1848 100644 > --- a/drivers/media/rc/Kconfig > +++ b/drivers/media/rc/Kconfig > @@ -497,16 +497,6 @@ config IR_SIR > To compile this driver as a module, choose M here: the module will > be called sir-ir. > > -config IR_TANGO > - tristate "Sigma Designs SMP86xx IR decoder" > - depends on RC_CORE > - depends on ARCH_TANGO || COMPILE_TEST > - help > - Adds support for the HW IR decoder embedded on Sigma Designs > - Tango-based systems (SMP86xx, SMP87xx). > - The HW decoder supports NEC, RC-5, RC-6 IR protocols. > - When compiled as a module, look for tango-ir. > - > config RC_XBOX_DVD > tristate "Xbox DVD Movie Playback Kit" > depends on RC_CORE > diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile > index 5bb2932ab119..f46a72071a7b 100644 > --- a/drivers/media/rc/Makefile > +++ b/drivers/media/rc/Makefile > @@ -48,6 +48,5 @@ obj-$(CONFIG_IR_SERIAL) += serial_ir.o > obj-$(CONFIG_IR_SIR) += sir_ir.o > obj-$(CONFIG_IR_MTK) += mtk-cir.o > obj-$(CONFIG_IR_ZX) += zx-irdec.o > -obj-$(CONFIG_IR_TANGO) += tango-ir.o > obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o > obj-$(CONFIG_IR_TOY) += ir_toy.o > diff --git a/drivers/media/rc/tango-ir.c b/drivers/media/rc/tango-ir.c > deleted file mode 100644 > index b8eb5bc4d9be..000000000000 > --- a/drivers/media/rc/tango-ir.c > +++ /dev/null > @@ -1,267 +0,0 @@ > -// 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"); > -- > > 2.29.2 >
Hi Arnd, On Thu, Jan 21, 2021 at 01:57:28PM +0000, Måns Rullgård wrote: > Arnd Bergmann <arnd@kernel.org> writes: > > > From: Arnd Bergmann <arnd@arndb.de> > > > > The tango platform is getting removed, so the driver is no > > longer needed. > > > > Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> > > Cc: Mans Rullgard <mans@mansr.com> > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > --- > > drivers/media/rc/Kconfig | 10 -- > > drivers/media/rc/Makefile | 1 - > > drivers/media/rc/tango-ir.c | 267 ------------------------------------ > > 3 files changed, 278 deletions(-) > > delete mode 100644 drivers/media/rc/tango-ir.c > > The DT binding can go too. Please can we have a patch which also removes all of: Documentation/devicetree/bindings/media/tango-ir.txt drivers/media/rc/keymaps/rc-tango.c Any references to RC_MAP_TANGO and rc-tango. Thanks Sean > > Otherwise: > > Acked-by: Mans Rullgard <mans@mansr.com> > > > > diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig > > index 2c0ee2e5b446..39bc75cc1848 100644 > > --- a/drivers/media/rc/Kconfig > > +++ b/drivers/media/rc/Kconfig > > @@ -497,16 +497,6 @@ config IR_SIR > > To compile this driver as a module, choose M here: the module will > > be called sir-ir. > > > > -config IR_TANGO > > - tristate "Sigma Designs SMP86xx IR decoder" > > - depends on RC_CORE > > - depends on ARCH_TANGO || COMPILE_TEST > > - help > > - Adds support for the HW IR decoder embedded on Sigma Designs > > - Tango-based systems (SMP86xx, SMP87xx). > > - The HW decoder supports NEC, RC-5, RC-6 IR protocols. > > - When compiled as a module, look for tango-ir. > > - > > config RC_XBOX_DVD > > tristate "Xbox DVD Movie Playback Kit" > > depends on RC_CORE > > diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile > > index 5bb2932ab119..f46a72071a7b 100644 > > --- a/drivers/media/rc/Makefile > > +++ b/drivers/media/rc/Makefile > > @@ -48,6 +48,5 @@ obj-$(CONFIG_IR_SERIAL) += serial_ir.o > > obj-$(CONFIG_IR_SIR) += sir_ir.o > > obj-$(CONFIG_IR_MTK) += mtk-cir.o > > obj-$(CONFIG_IR_ZX) += zx-irdec.o > > -obj-$(CONFIG_IR_TANGO) += tango-ir.o > > obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o > > obj-$(CONFIG_IR_TOY) += ir_toy.o > > diff --git a/drivers/media/rc/tango-ir.c b/drivers/media/rc/tango-ir.c > > deleted file mode 100644 > > index b8eb5bc4d9be..000000000000 > > --- a/drivers/media/rc/tango-ir.c > > +++ /dev/null > > @@ -1,267 +0,0 @@ > > -// 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"); > > -- > > > > 2.29.2 > > > > -- > Måns Rullgård
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 2c0ee2e5b446..39bc75cc1848 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -497,16 +497,6 @@ config IR_SIR To compile this driver as a module, choose M here: the module will be called sir-ir. -config IR_TANGO - tristate "Sigma Designs SMP86xx IR decoder" - depends on RC_CORE - depends on ARCH_TANGO || COMPILE_TEST - help - Adds support for the HW IR decoder embedded on Sigma Designs - Tango-based systems (SMP86xx, SMP87xx). - The HW decoder supports NEC, RC-5, RC-6 IR protocols. - When compiled as a module, look for tango-ir. - config RC_XBOX_DVD tristate "Xbox DVD Movie Playback Kit" depends on RC_CORE diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile index 5bb2932ab119..f46a72071a7b 100644 --- a/drivers/media/rc/Makefile +++ b/drivers/media/rc/Makefile @@ -48,6 +48,5 @@ obj-$(CONFIG_IR_SERIAL) += serial_ir.o obj-$(CONFIG_IR_SIR) += sir_ir.o obj-$(CONFIG_IR_MTK) += mtk-cir.o obj-$(CONFIG_IR_ZX) += zx-irdec.o -obj-$(CONFIG_IR_TANGO) += tango-ir.o obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o obj-$(CONFIG_IR_TOY) += ir_toy.o diff --git a/drivers/media/rc/tango-ir.c b/drivers/media/rc/tango-ir.c deleted file mode 100644 index b8eb5bc4d9be..000000000000 --- a/drivers/media/rc/tango-ir.c +++ /dev/null @@ -1,267 +0,0 @@ -// 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");