X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=package%2Fpwm-gpio-custom%2Fsrc%2Fpwm-gpio-custom.c;fp=package%2Fpwm-gpio-custom%2Fsrc%2Fpwm-gpio-custom.c;h=0000000000000000000000000000000000000000;hp=3a4d5b754aaa9213a45bf28dab293029c9118baf;hb=20958dc60858d37d43c1a994e1c375261e76f6f6;hpb=2ce9741fd10b8ad828c4783fe10eed2b42a0d11b diff --git a/package/pwm-gpio-custom/src/pwm-gpio-custom.c b/package/pwm-gpio-custom/src/pwm-gpio-custom.c deleted file mode 100644 index 3a4d5b754a..0000000000 --- a/package/pwm-gpio-custom/src/pwm-gpio-custom.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Custom GPIO-based PWM driver - * - * Based on w1-gpio-custom by Copyright (C) 2007 Gabor Juhos - * Copyright (C) 2010 Claudio Mignanti - * - * 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. - * - * --------------------------------------------------------------------------- - * - * The behaviour of this driver can be altered by setting some parameters - * from the insmod command line. - * - * The following parameters are adjustable: - * - * bus0 These four arguments must be arrays - * bus1 - * ..... - * bus10 ,, - * - * where: - * - * ID to used as device_id for the corresponding bus (required) - * GPIO pin ID for PWM channel (required) - * * - * If this driver is built into the kernel, you can use the following kernel - * command line parameters, with the same values as the corresponding module - * parameters listed above: - * - * pwm-gpio-custom.bus0 - * pwm-gpio-custom.bus1 - * pwm-gpio-custom.bunN - * pwm-gpio-custom.bus10 - */ - -#include -#include -#include -#include -#include - -#include - -#define DRV_NAME "pwm-gpio-custom" -#define DRV_DESC "Custom GPIO-based pwm driver" -#define DRV_VERSION "0.1.0" - -#define PFX DRV_NAME ": " - -#define BUS_PARAM_ID 0 -#define BUS_PARAM_PIN 1 - -#define BUS_PARAM_REQUIRED 2 -#define BUS_PARAM_COUNT 2 -#define BUS_COUNT_MAX 10 - -static unsigned int bus0[BUS_PARAM_COUNT] __initdata; -static unsigned int bus1[BUS_PARAM_COUNT] __initdata; -static unsigned int bus2[BUS_PARAM_COUNT] __initdata; -static unsigned int bus3[BUS_PARAM_COUNT] __initdata; -static unsigned int bus4[BUS_PARAM_COUNT] __initdata; -static unsigned int bus5[BUS_PARAM_COUNT] __initdata; -static unsigned int bus6[BUS_PARAM_COUNT] __initdata; -static unsigned int bus7[BUS_PARAM_COUNT] __initdata; -static unsigned int bus8[BUS_PARAM_COUNT] __initdata; -static unsigned int bus9[BUS_PARAM_COUNT] __initdata; - -static unsigned int bus_nump[BUS_COUNT_MAX] __initdata; - -#define BUS_PARM_DESC " config -> id,pin" - -module_param_array(bus0, uint, &bus_nump[0], 0); -MODULE_PARM_DESC(bus0, "bus0" BUS_PARM_DESC); -module_param_array(bus1, uint, &bus_nump[1], 0); -MODULE_PARM_DESC(bus1, "bus1" BUS_PARM_DESC); -module_param_array(bus2, uint, &bus_nump[2], 0); -MODULE_PARM_DESC(bus2, "bus2" BUS_PARM_DESC); -module_param_array(bus3, uint, &bus_nump[3], 0); -MODULE_PARM_DESC(bus3, "bus3" BUS_PARM_DESC); -module_param_array(bus4, uint, &bus_nump[4], 0); -MODULE_PARM_DESC(bus4, "bus4" BUS_PARM_DESC); -module_param_array(bus5, uint, &bus_nump[5], 0); -MODULE_PARM_DESC(bus5, "bus5" BUS_PARM_DESC); -module_param_array(bus6, uint, &bus_nump[6], 0); -MODULE_PARM_DESC(bus6, "bus6" BUS_PARM_DESC); -module_param_array(bus7, uint, &bus_nump[7], 0); -MODULE_PARM_DESC(bus7, "bus7" BUS_PARM_DESC); -module_param_array(bus8, uint, &bus_nump[8], 0); -MODULE_PARM_DESC(bus8, "bus8" BUS_PARM_DESC); -module_param_array(bus9, uint, &bus_nump[9], 0); -MODULE_PARM_DESC(bus9, "bus9" BUS_PARM_DESC); - -static struct platform_device *devices[BUS_COUNT_MAX]; -static unsigned int nr_devices; - -static void pwm_gpio_custom_cleanup(void) -{ - int i; - - for (i = 0; i < nr_devices; i++) - if (devices[i]) - platform_device_put(devices[i]); -} - -static int __init pwm_gpio_custom_add_one(unsigned int id, unsigned int *params) -{ - struct platform_device *pdev; - struct gpio_pwm_platform_data pdata; - int err; - - if (!bus_nump[id]) - return 0; - - if (bus_nump[id] < BUS_PARAM_REQUIRED) { - printk(KERN_ERR PFX "not enough parameters for bus%d\n", id); - err = -EINVAL; - goto err; - } - - pdev = platform_device_alloc("gpio_pwm", params[BUS_PARAM_ID]); - if (!pdev) { - err = -ENOMEM; - goto err; - } - - pdata.gpio = params[BUS_PARAM_PIN]; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto err_put; - - err = platform_device_add(pdev); - if (err) - goto err_put; - - devices[nr_devices++] = pdev; - return 0; - - err_put: - platform_device_put(pdev); - err: - return err; -} - -static int __init pwm_gpio_custom_probe(void) -{ - int err; - - nr_devices = 0; - printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n"); - - err = pwm_gpio_custom_add_one(0, bus0); - if (err) goto err; - - err = pwm_gpio_custom_add_one(1, bus1); - if (err) goto err; - - err = pwm_gpio_custom_add_one(2, bus2); - if (err) goto err; - - err = pwm_gpio_custom_add_one(3, bus3); - if (err) goto err; - - err = pwm_gpio_custom_add_one(4, bus4); - if (err) goto err; - - err = pwm_gpio_custom_add_one(5, bus5); - if (err) goto err; - - err = pwm_gpio_custom_add_one(6, bus6); - if (err) goto err; - - err = pwm_gpio_custom_add_one(7, bus7); - if (err) goto err; - - err = pwm_gpio_custom_add_one(8, bus8); - if (err) goto err; - - err = pwm_gpio_custom_add_one(9, bus9); - if (err) goto err; - - if (!nr_devices) { - printk(KERN_ERR PFX "no bus parameter(s) specified\n"); - err = -ENODEV; - goto err; - } - - return 0; - -err: - pwm_gpio_custom_cleanup(); - return err; -} - -#ifdef MODULE -static int __init pwm_gpio_custom_init(void) -{ - return pwm_gpio_custom_probe(); -} -module_init(pwm_gpio_custom_init); - -static void __exit pwm_gpio_custom_exit(void) -{ - pwm_gpio_custom_cleanup(); -} -module_exit(pwm_gpio_custom_exit); -#else -subsys_initcall(pwm_gpio_custom_probe); -#endif /* MODULE*/ - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Bifferos "); -MODULE_AUTHOR("Claudio Mignanti "); -MODULE_DESCRIPTION(DRV_DESC); -MODULE_VERSION(DRV_VERSION); -