[Which tree should I be trying to submit this to? The patch is against and works fine with 2.6.17-rc2] Use the new LED infrastructure to support the 6 LEDs present on the Amstrad Delta. Signed-Off-By: Jonathan McDowell <noodles@earth.li> ----- diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/arch/arm/mach-omap1/board-ams-delta.c linux-2.6.17-rc2-leds/arch/arm/mach-omap1/board-ams-delta.c --- linux-2.6.17-rc2/arch/arm/mach-omap1/board-ams-delta.c 2006-04-21 18:28:27.618122000 +0100 +++ linux-2.6.17-rc2-leds/arch/arm/mach-omap1/board-ams-delta.c 2006-04-20 20:18:57.243860250 +0100 @@ -84,6 +84,15 @@ static struct omap_board_config_kernel a { OMAP_TAG_UART, &ams_delta_uart_config }, }; +static struct platform_device ams_delta_led_device = { + .name = "ams-delta-led", + .id = -1 +}; + +static struct platform_device *ams_delta_devices[] __initdata = { + &ams_delta_led_device, +}; + static void __init ams_delta_init(void) { iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc)); @@ -94,6 +103,8 @@ static void __init ams_delta_init(void) /* Clear latch2 (NAND, LCD, modem enable) */ ams_delta_latch2_write(~0, 0); + + platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices)); } static void __init ams_delta_map_io(void) diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/Kconfig linux-2.6.17-rc2-leds/drivers/leds/Kconfig --- linux-2.6.17-rc2/drivers/leds/Kconfig 2006-04-21 18:28:38.314790500 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/Kconfig 2006-04-20 18:47:08.076993500 +0100 @@ -60,6 +60,12 @@ config LEDS_S3C24XX This option enables support for LEDs connected to GPIO lines on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440. +config LEDS_AMS_DELTA + tristate "LED Support for the Amstrad Delta (E3)" + depends LEDS_CLASS && MACH_AMS_DELTA + help + This option enables support for the LEDs on Amstrad Delta (E3). + comment "LED Triggers" config LEDS_TRIGGERS diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/leds-ams-delta.c linux-2.6.17-rc2-leds/drivers/leds/leds-ams-delta.c --- linux-2.6.17-rc2/drivers/leds/leds-ams-delta.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/leds-ams-delta.c 2006-04-22 13:20:20.861031500 +0100 @@ -0,0 +1,161 @@ +/* + * LEDs driver for Amstrad Delta (E3) + * + * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <asm/arch/board-ams-delta.h> + +/* + * Our context + */ +struct ams_delta_led { + struct led_classdev cdev; + u8 bitmask; +}; + +static void ams_delta_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct ams_delta_led *led_dev = + container_of(led_cdev, struct ams_delta_led, cdev); + + if (value) + ams_delta_latch1_write(led_dev->bitmask, led_dev->bitmask); + else + ams_delta_latch1_write(led_dev->bitmask, 0); +} + +static struct ams_delta_led ams_delta_leds[] = { + { + .cdev = { + .name = "ams-delta:camera", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_CAMERA, + }, + { + .cdev = { + .name = "ams-delta:advert", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_ADVERT, + }, + { + .cdev = { + .name = "ams-delta:email", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_EMAIL, + }, + { + .cdev = { + .name = "ams-delta:handsfree", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_HANDSFREE, + }, + { + .cdev = { + .name = "ams-delta:voicemail", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_VOICEMAIL, + }, + { + .cdev = { + .name = "ams-delta:voice", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_VOICE, + }, +}; + +#ifdef CONFIG_PM +static int ams_delta_led_suspend(struct platform_device *dev, + pm_message_t state) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) + led_classdev_suspend(&ams_delta_leds[i].cdev); + + return 0; +} + +static int ams_delta_led_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) + led_classdev_resume(&ams_delta_leds[i].cdev); + + return 0; +} +#endif + +static int ams_delta_led_probe(struct platform_device *pdev) +{ + int i; + int ret; + + for (i = ret = 0; ret >= 0 && i < ARRAY_SIZE(ams_delta_leds); i++) { + ret = led_classdev_register(&pdev->dev, + &ams_delta_leds[i].cdev); + } + + if (ret < 0 && i > 1) { + for (i = i - 2; i >= 0; i--) + led_classdev_unregister(&ams_delta_leds[i].cdev); + } + + return ret; +} + +static int ams_delta_led_remove(struct platform_device *pdev) +{ + int i; + + for (i = ARRAY_SIZE(ams_delta_leds) - 1; i >= 0; i--) + led_classdev_unregister(&ams_delta_leds[i].cdev); + + return 0; +} + +static struct platform_driver ams_delta_led_driver = { + .probe = ams_delta_led_probe, + .remove = ams_delta_led_remove, +#ifdef CONFIG_PM + .suspend = ams_delta_led_suspend, + .resume = ams_delta_led_resume, +#endif + .driver = { + .name = "ams-delta-led", + }, +}; + +static int __init ams_delta_led_init(void) +{ + return platform_driver_register(&ams_delta_led_driver); +} + +static void __exit ams_delta_led_exit(void) +{ + return platform_driver_unregister(&ams_delta_led_driver); +} + +module_init(ams_delta_led_init); +module_exit(ams_delta_led_exit); + +MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>"); +MODULE_DESCRIPTION("Amstrad Delta LED driver"); +MODULE_LICENSE("GPL"); diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/Makefile linux-2.6.17-rc2-leds/drivers/leds/Makefile --- linux-2.6.17-rc2/drivers/leds/Makefile 2006-04-21 18:28:38.314790500 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/Makefile 2006-04-20 18:47:18.297632250 +0100 @@ -11,6 +11,7 @@ obj-$(CONFIG_LEDS_SPITZ) += leds-spitz. obj-$(CONFIG_LEDS_IXP4XX) += leds-ixp4xx-gpio.o obj-$(CONFIG_LEDS_TOSA) += leds-tosa.o obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o +obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o ----- J. -- 101 things you can't have too much of : 4 - Chocolate.
On Sat, Apr 22, 2006 at 02:08:23PM +0100, Jonathan McDowell wrote:
[Which tree should I be trying to submit this to? The patch is against and works fine with 2.6.17-rc2]
I prefer the following PM defines, so there is only one block of CONFIG_PM #ifdef CONFIG_PM int foo_suspend(...) { } int foo_resume(...) { } #else #define foo_suspend NULL #define foo_resume NULL #endif
+static struct platform_driver foo_driver = { + .probe = foo_probe, + .remove = foo_remove, + .suspend = foo_suspend, + .resume = foo_resume, +};
-- Ben (ben@fluff.org, http://www.fluff.org/) 'a smiley only costs 4 bytes'
On Sun, Apr 23, 2006 at 01:38:50PM +0100, Ben Dooks wrote:
On Sat, Apr 22, 2006 at 02:08:23PM +0100, Jonathan McDowell wrote:
[Which tree should I be trying to submit this to? The patch is against and works fine with 2.6.17-rc2] I prefer the following PM defines, so there is only one block of CONFIG_PM
Seems reasonable; leds-spitz has the two blocks and that's what I'd used as inspiration. Revised version below. Use the new LED infrastructure to support the 6 LEDs present on the Amstrad Delta. Signed-Off-By: Jonathan McDowell <noodles@earth.li> ----- diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/arch/arm/mach-omap1/board-ams-delta.c linux-2.6.17-rc2-leds/arch/arm/mach-omap1/board-ams-delta.c --- linux-2.6.17-rc2/arch/arm/mach-omap1/board-ams-delta.c 2006-04-21 18:28:27.618122000 +0100 +++ linux-2.6.17-rc2-leds/arch/arm/mach-omap1/board-ams-delta.c 2006-04-20 20:18:57.243860250 +0100 @@ -84,6 +84,15 @@ static struct omap_board_config_kernel a { OMAP_TAG_UART, &ams_delta_uart_config }, }; +static struct platform_device ams_delta_led_device = { + .name = "ams-delta-led", + .id = -1 +}; + +static struct platform_device *ams_delta_devices[] __initdata = { + &ams_delta_led_device, +}; + static void __init ams_delta_init(void) { iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc)); @@ -94,6 +103,8 @@ static void __init ams_delta_init(void) /* Clear latch2 (NAND, LCD, modem enable) */ ams_delta_latch2_write(~0, 0); + + platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices)); } static void __init ams_delta_map_io(void) diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/Kconfig linux-2.6.17-rc2-leds/drivers/leds/Kconfig --- linux-2.6.17-rc2/drivers/leds/Kconfig 2006-04-21 18:28:38.314790500 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/Kconfig 2006-04-20 18:47:08.076993500 +0100 @@ -60,6 +60,12 @@ config LEDS_S3C24XX This option enables support for LEDs connected to GPIO lines on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440. +config LEDS_AMS_DELTA + tristate "LED Support for the Amstrad Delta (E3)" + depends LEDS_CLASS && MACH_AMS_DELTA + help + This option enables support for the LEDs on Amstrad Delta (E3). + comment "LED Triggers" config LEDS_TRIGGERS diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/leds-ams-delta.c linux-2.6.17-rc2-leds/drivers/leds/leds-ams-delta.c --- linux-2.6.17-rc2/drivers/leds/leds-ams-delta.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/leds-ams-delta.c 2006-04-23 19:47:30.767019500 +0100 @@ -0,0 +1,162 @@ +/* + * LEDs driver for Amstrad Delta (E3) + * + * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <asm/arch/board-ams-delta.h> + +/* + * Our context + */ +struct ams_delta_led { + struct led_classdev cdev; + u8 bitmask; +}; + +static void ams_delta_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct ams_delta_led *led_dev = + container_of(led_cdev, struct ams_delta_led, cdev); + + if (value) + ams_delta_latch1_write(led_dev->bitmask, led_dev->bitmask); + else + ams_delta_latch1_write(led_dev->bitmask, 0); +} + +static struct ams_delta_led ams_delta_leds[] = { + { + .cdev = { + .name = "ams-delta:camera", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_CAMERA, + }, + { + .cdev = { + .name = "ams-delta:advert", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_ADVERT, + }, + { + .cdev = { + .name = "ams-delta:email", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_EMAIL, + }, + { + .cdev = { + .name = "ams-delta:handsfree", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_HANDSFREE, + }, + { + .cdev = { + .name = "ams-delta:voicemail", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_VOICEMAIL, + }, + { + .cdev = { + .name = "ams-delta:voice", + .brightness_set = ams_delta_led_set, + }, + .bitmask = AMS_DELTA_LATCH1_LED_VOICE, + }, +}; + +#ifdef CONFIG_PM +static int ams_delta_led_suspend(struct platform_device *dev, + pm_message_t state) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) + led_classdev_suspend(&ams_delta_leds[i].cdev); + + return 0; +} + +static int ams_delta_led_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) + led_classdev_resume(&ams_delta_leds[i].cdev); + + return 0; +} +#else +#define ams_delta_led_suspend NULL +#define ams_delta_led_resume NULL +#endif + +static int ams_delta_led_probe(struct platform_device *pdev) +{ + int i; + int ret; + + for (i = ret = 0; ret >= 0 && i < ARRAY_SIZE(ams_delta_leds); i++) { + ret = led_classdev_register(&pdev->dev, + &ams_delta_leds[i].cdev); + } + + if (ret < 0 && i > 1) { + for (i = i - 2; i >= 0; i--) + led_classdev_unregister(&ams_delta_leds[i].cdev); + } + + return ret; +} + +static int ams_delta_led_remove(struct platform_device *pdev) +{ + int i; + + for (i = ARRAY_SIZE(ams_delta_leds) - 1; i >= 0; i--) + led_classdev_unregister(&ams_delta_leds[i].cdev); + + return 0; +} + +static struct platform_driver ams_delta_led_driver = { + .probe = ams_delta_led_probe, + .remove = ams_delta_led_remove, + .suspend = ams_delta_led_suspend, + .resume = ams_delta_led_resume, + .driver = { + .name = "ams-delta-led", + }, +}; + +static int __init ams_delta_led_init(void) +{ + return platform_driver_register(&ams_delta_led_driver); +} + +static void __exit ams_delta_led_exit(void) +{ + return platform_driver_unregister(&ams_delta_led_driver); +} + +module_init(ams_delta_led_init); +module_exit(ams_delta_led_exit); + +MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>"); +MODULE_DESCRIPTION("Amstrad Delta LED driver"); +MODULE_LICENSE("GPL"); diff -ruNp -X linux-2.6.17-rc2/Documentation/dontdiff linux-2.6.17-rc2/drivers/leds/Makefile linux-2.6.17-rc2-leds/drivers/leds/Makefile --- linux-2.6.17-rc2/drivers/leds/Makefile 2006-04-21 18:28:38.314790500 +0100 +++ linux-2.6.17-rc2-leds/drivers/leds/Makefile 2006-04-20 18:47:18.297632250 +0100 @@ -11,6 +11,7 @@ obj-$(CONFIG_LEDS_SPITZ) += leds-spitz. obj-$(CONFIG_LEDS_IXP4XX) += leds-ixp4xx-gpio.o obj-$(CONFIG_LEDS_TOSA) += leds-tosa.o obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o +obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o ----- J. -- noodles is owned by dr
On Sun, 2006-04-23 at 23:14 +0100, Jonathan McDowell wrote:
On Sun, Apr 23, 2006 at 01:38:50PM +0100, Ben Dooks wrote:
On Sat, Apr 22, 2006 at 02:08:23PM +0100, Jonathan McDowell wrote:
[Which tree should I be trying to submit this to? The patch is against and works fine with 2.6.17-rc2] I prefer the following PM defines, so there is only one block of CONFIG_PM
Seems reasonable; leds-spitz has the two blocks and that's what I'd used as inspiration. Revised version below.
Use the new LED infrastructure to support the 6 LEDs present on the Amstrad Delta.
Signed-Off-By: Jonathan McDowell <noodles@earth.li> Acked-By: Richard Purdie <rpurdie@rpsys.net>
participants (3)
-
Ben Dooks -
Jonathan McDowell -
Richard Purdie