X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=package%2Fbroadcom-diag%2Fsrc%2Fdiag.c;h=e8da3129a8089cd5238f8308e678cb92e8c08126;hp=b7c67314f7e9e4e90ac6004727ed82b2f89d8f1c;hb=acf5a080ac843f0a49335b09c76fc73c21d16e70;hpb=042b8aead0679418e3bda993e3b3d1fa7a40fdb7 diff --git a/package/broadcom-diag/src/diag.c b/package/broadcom-diag/src/diag.c index b7c67314f7..e8da3129a8 100644 --- a/package/broadcom-diag/src/diag.c +++ b/package/broadcom-diag/src/diag.c @@ -2,7 +2,7 @@ * diag.c - GPIO interface driver for Broadcom boards * * Copyright (C) 2006 Mike Baker , - * Felix Fietkau + * Copyright (C) 2006-2007 Felix Fietkau * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -18,7 +18,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * $Id:$ + * $Id$ */ #include #include @@ -28,88 +28,28 @@ #include #include -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -#include +#ifndef LINUX_2_4 #include -#define hotplug_path uevent_helper +#include +#include +#include +extern struct sock *uevent_sock; +extern u64 uevent_next_seqnum(void); #else #include #define INIT_WORK INIT_TQUEUE #define schedule_work schedule_task #define work_struct tq_struct -#define sbh bcm947xx_sbh -#define sbh_lock bcm947xx_sbh_lock #endif -#include -#include -#include -#include -#include -#include -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -#include -#else -#include -#endif - -#define MODULE_NAME "diag" - -#define MAX_GPIO 8 -#define FLASH_TIME HZ/6 - -#define EXTIF_ADDR 0x1f000000 -#define EXTIF_UART (EXTIF_ADDR + 0x00800000) - -/* For LEDs */ -#define GPIO_TYPE_NORMAL (0x0 << 24) -#define GPIO_TYPE_EXTIF (0x1 << 24) -#define GPIO_TYPE_MASK (0xf << 24) +#include "gpio.h" +#include "diag.h" +#define getvar(str) (nvram_get(str)?:"") +static int fill_event(struct event_t *); static unsigned int gpiomask = 0; module_param(gpiomask, int, 0644); -enum polarity_t { - REVERSE = 0, - NORMAL = 1, -}; - -enum { - PROC_BUTTON, - PROC_LED, - PROC_MODEL, - PROC_GPIOMASK -}; - -struct prochandler_t { - int type; - void *ptr; -}; - -struct button_t { - struct prochandler_t proc; - char *name; - u16 gpio; - u8 polarity; - u8 pressed; - unsigned long seen; -}; - -struct led_t { - struct prochandler_t proc; - char *name; - u32 gpio; - u8 polarity; - u8 flash; - u8 state; -}; - -struct platform_t { - char *name; - struct button_t buttons[MAX_GPIO]; - struct led_t leds[MAX_GPIO]; -}; - enum { /* Linksys */ WAP54GV1, @@ -118,6 +58,7 @@ enum { WRT54G, WRTSL54GS, WRT54G3G, + WRT350N, /* ASUS */ WLHDD, @@ -125,7 +66,9 @@ enum { WL500G, WL500GD, WL500GP, + WL500W, ASUS_4702, + WL700GE, /* Buffalo */ WBR2_G54, @@ -133,6 +76,9 @@ enum { WHR_HP_G54, WHR2_A54G54, WLA2_G54L, + WZR_G300N, + WZR_RS_G54, + WZR_RS_G54HP, BUFFALO_UNKNOWN, BUFFALO_UNKNOWN_4710, @@ -149,13 +95,42 @@ enum { /* Motorola */ WE800G, WR850GV1, - WR850GV2, + WR850GV2V3, + WR850GP, /* Belkin */ BELKIN_UNKNOWN, + + /* Netgear */ + WGT634U, + + /* Trendware */ + TEW411BRPP, + + /* SimpleTech */ + STI_NAS, + + /* D-Link */ + DIR130, + DIR330, + DWL3150, }; -static struct platform_t platforms[] = { +static void __init bcm4780_init(void) { + int pin = 1 << 3; + + /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */ + printk(MODULE_NAME ": Spinning up HDD and enabling leds\n"); + gpio_outen(pin, pin); + gpio_control(pin, 0); + gpio_out(pin, pin); + + /* Wait 5s, so the HDD can spin up */ + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ * 5); +} + +static struct platform_t __initdata platforms[] = { /* Linksys */ [WAP54GV1] = { .name = "Linksys WAP54G V1", @@ -190,7 +165,7 @@ static struct platform_t platforms[] = { }, }, [WRT54G] = { - .name = "Linksys WRT54G*", + .name = "Linksys WRT54G/GS/GL", .buttons = { { .name = "reset", .gpio = 1 << 6 }, { .name = "ses", .gpio = 1 << 4 }, @@ -211,7 +186,7 @@ static struct platform_t platforms[] = { }, .leds = { { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, - { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, { .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE }, { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE }, }, @@ -230,6 +205,17 @@ static struct platform_t platforms[] = { { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL }, }, }, + [WRT350N] = { + .name = "Linksys WRT350N", + .buttons = { + { .name = "reset", .gpio = 1 << 6 }, + { .name = "ses", .gpio = 1 << 8 }, + }, + .leds = { + { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, + { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE }, + }, + }, /* Asus */ [WLHDD] = { .name = "ASUS WL-HDD", @@ -238,10 +224,11 @@ static struct platform_t platforms[] = { }, .leds = { { .name = "power", .gpio = 1 << 0, .polarity = REVERSE }, + { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL }, }, }, [WL300G] = { - .name = "ASUS WL-500g", + .name = "ASUS WL-300g", .buttons = { { .name = "reset", .gpio = 1 << 6 }, }, @@ -277,6 +264,16 @@ static struct platform_t platforms[] = { { .name = "power", .gpio = 1 << 1, .polarity = REVERSE }, }, }, + [WL500W] = { + .name = "ASUS WL-500W", + .buttons = { + { .name = "reset", .gpio = 1 << 6 }, + { .name = "ses", .gpio = 1 << 7 }, + }, + .leds = { + { .name = "power", .gpio = 1 << 5, .polarity = REVERSE }, + }, + }, [ASUS_4702] = { .name = "ASUS (unknown, BCM4702)", .buttons = { @@ -286,17 +283,39 @@ static struct platform_t platforms[] = { { .name = "power", .gpio = 1 << 0, .polarity = REVERSE }, }, }, + [WL700GE] = { + .name = "ASUS WL-700gE", + .buttons = { + { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state + { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup + { .name = "power", .gpio = 1 << 0 }, // on front + { .name = "copy", .gpio = 1 << 6 }, // on front + }, + .leds = { +#if 0 + // GPIO that controls power led also enables/disables some essential functions + // - power to HDD + // - switch leds + { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power +#endif + { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready + }, + .platform_init = bcm4780_init, + }, /* Buffalo */ [WHR_G54S] = { .name = "Buffalo WHR-G54S", .buttons = { { .name = "reset", .gpio = 1 << 4 }, + { .name = "bridge", .gpio = 1 << 5 }, { .name = "ses", .gpio = 1 << 0 }, }, .leds = { - { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE }, { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE }, + { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE }, }, }, [WBR2_G54] = { @@ -318,8 +337,10 @@ static struct platform_t platforms[] = { }, .leds = { { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE }, { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE }, { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE }, }, }, [WHR2_A54G54] = { @@ -341,6 +362,41 @@ static struct platform_t platforms[] = { { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, }, }, + [WZR_G300N] = { + .name = "Buffalo WZR-G300N", + .buttons = { + { .name = "reset", .gpio = 1 << 4 }, + }, + .leds = { + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE }, + { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE }, + }, + }, + [WZR_RS_G54] = { + .name = "Buffalo WZR-RS-G54", + .buttons = { + { .name = "ses", .gpio = 1 << 0 }, + { .name = "reset", .gpio = 1 << 4 }, + }, + .leds = { + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE }, + }, + }, + [WZR_RS_G54HP] = { + .name = "Buffalo WZR-RS-G54HP", + .buttons = { + { .name = "ses", .gpio = 1 << 0 }, + { .name = "reset", .gpio = 1 << 4 }, + }, + .leds = { + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE }, + }, + }, [BUFFALO_UNKNOWN] = { .name = "Buffalo (unknown)", .buttons = { @@ -399,7 +455,8 @@ static struct platform_t platforms[] = { { .name = "reset", .gpio = 1 << 0 }, }, .leds = { - { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "power", .gpio = 1 << 7, .polarity = REVERSE }, }, }, /* Motorola */ @@ -422,23 +479,36 @@ static struct platform_t platforms[] = { .leds = { { .name = "power", .gpio = 1 << 4, .polarity = NORMAL }, { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE }, - { .name = "modem", .gpio = 1 << 6, .polarity = NORMAL }, + { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL }, { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE }, { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE }, }, }, - [WR850GV2] = { - .name = "Motorola WR850G V2", + [WR850GV2V3] = { + .name = "Motorola WR850G V2/V3", .buttons = { { .name = "reset", .gpio = 1 << 5 }, }, .leds = { - { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, - { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL }, - { .name = "modem_green",.gpio = 1 << 6, .polarity = REVERSE }, - { .name = "modem_red", .gpio = 1 << 7, .polarity = REVERSE }, + { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, + { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE }, + { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, + }, + }, + [WR850GP] = { + .name = "Motorola WR850GP", + .buttons = { + { .name = "reset", .gpio = 1 << 5 }, + }, + .leds = { + { .name = "power", .gpio = 1 << 1, .polarity = NORMAL }, + { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE }, + { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE }, + { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE }, }, }, + /* Belkin */ [BELKIN_UNKNOWN] = { .name = "Belkin (unknown)", @@ -452,37 +522,141 @@ static struct platform_t platforms[] = { { .name = "connected", .gpio = 1 << 0, .polarity = NORMAL }, }, }, + /* Netgear */ + [WGT634U] = { + .name = "Netgear WGT634U", + .buttons = { + { .name = "reset", .gpio = 1 << 2 }, + }, + .leds = { + { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, + }, + }, + /* Trendware */ + [TEW411BRPP] = { + .name = "Trendware TEW411BRP+", + .buttons = { + { /* No usable buttons */ }, + }, + .leds = { + { .name = "power", .gpio = 1 << 7, .polarity = NORMAL }, + { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL }, + { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL }, + }, + }, + /* SimpleTech */ + [STI_NAS] = { + .name = "SimpleTech SimpleShare NAS", + .buttons = { + { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state + { .name = "power", .gpio = 1 << 0 }, // on back + }, + .leds = { + { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready + }, + .platform_init = bcm4780_init, + }, + /* D-Link */ + [DIR130] = { + .name = "D-Link DIR-130", + .buttons = { + { .name = "reset", .gpio = 1 << 3}, + { .name = "reserved", .gpio = 1 << 7}, + }, + .leds = { + { .name = "diag", .gpio = 1 << 0}, + { .name = "blue", .gpio = 1 << 6}, + }, + }, + [DIR330] = { + .name = "D-Link DIR-330", + .buttons = { + { .name = "reset", .gpio = 1 << 3}, + { .name = "reserved", .gpio = 1 << 7}, + }, + .leds = { + { .name = "diag", .gpio = 1 << 0}, + { .name = "usb", .gpio = 1 << 4}, + { .name = "blue", .gpio = 1 << 6}, + }, + }, + [DWL3150] = { + .name = "D-Link DWL-3150", + .buttons = { + { .name = "reset", .gpio = 1 << 7}, + }, + .leds = { + { .name = "diag", .gpio = 1 << 2}, + { .name = "status", .gpio = 1 << 1}, + }, + }, }; -extern void *sbh; -extern spinlock_t sbh_lock; -extern char *nvram_get(char *str); +static struct platform_t __init *platform_detect(void) +{ + char *boardnum, *boardtype, *buf; -static struct proc_dir_entry *diag, *leds; -static struct platform_t platform; -static void led_flash(unsigned long dummy); + if (strcmp(getvar("nvram_type"), "cfe") == 0) + return &platforms[WGT634U]; -#define getvar(str) (nvram_get(str)?:"") + /* Look for a model identifier */ -static void set_led_extif(struct led_t *led) -{ - volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK); - if (led->state) - *addr = 0xFF; - else - *addr; -} + /* Based on "model_name" */ + if (buf = nvram_get("model_name")) { + if (!strcmp(buf, "DIR-130")) + return &platforms[DIR130]; + if (!strcmp(buf, "DIR-330")) + return &platforms[DIR330]; + } -static struct platform_t __init *platform_detect(void) -{ - char *boardnum, *boardtype, *buf; + /* Based on "model_no" */ + if (buf = nvram_get("model_no")) { + if (!strncmp(buf,"WL700", 5)) /* WL700* */ + return &platforms[WL700GE]; + } + + /* Based on "ModelId" */ + if (buf = nvram_get("ModelId")) { + if (!strcmp(buf, "WR850GP")) + return &platforms[WR850GP]; + if (!strcmp(buf,"WX-5565")) + return &platforms[TM2300]; + if (!strncmp(buf,"WE800G", 6)) /* WE800G* */ + return &platforms[WE800G]; + } + + /* Buffalo */ + if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) { + /* Buffalo hardware, check id for specific hardware matches */ + if (!strcmp(buf, "29bb0332")) + return &platforms[WBR2_G54]; + if (!strcmp(buf, "29129")) + return &platforms[WLA2_G54L]; + if (!strcmp(buf, "30189")) + return &platforms[WHR_HP_G54]; + if (!strcmp(buf, "30182")) + return &platforms[WHR_G54S]; + if (!strcmp(buf, "290441dd")) + return &platforms[WHR2_A54G54]; + if (!strcmp(buf, "31120")) + return &platforms[WZR_G300N]; + if (!strcmp(buf, "30083")) + return &platforms[WZR_RS_G54]; + if (!strcmp(buf, "30103")) + return &platforms[WZR_RS_G54HP]; + } + /* no easy model number, attempt to guess */ boardnum = getvar("boardnum"); boardtype = getvar("boardtype"); + if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) { /* CFE based - newer hardware */ if (!strcmp(boardnum, "42")) { /* Linksys */ - if (!strcmp(boardtype, "0x0101")) + if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1")) + return &platforms[WRT350N]; + + if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6")) return &platforms[WRT54G3G]; if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1")) @@ -495,17 +669,24 @@ static struct platform_t __init *platform_detect(void) if (!strcmp(boardnum, "45")) { /* ASUS */ if (!strcmp(boardtype,"0x042f")) return &platforms[WL500GP]; + else if (!strcmp(boardtype,"0x0472")) + return &platforms[WL500W]; else return &platforms[WL500GD]; } if (!strcmp(boardnum, "10496")) return &platforms[USR5461]; + } else { /* PMON based - old stuff */ + if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) && + (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) { + return &platforms[WR850GV1]; + } if (!strncmp(boardtype, "bcm94710dev", 11)) { if (!strcmp(boardnum, "42")) return &platforms[WRT54GV1]; - if (simple_strtoul(boardnum, NULL, 9) == 2) + if (simple_strtoul(boardnum, NULL, 0) == 2) return &platforms[WAP54GV1]; } if (!strncmp(getvar("hardware_version"), "WL500-", 6)) @@ -513,38 +694,16 @@ static struct platform_t __init *platform_detect(void) if (!strncmp(getvar("hardware_version"), "WL300-", 6)) { /* Either WL-300g or WL-HDD, do more extensive checks */ if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) && - (simple_strtoul(getvar("et1phyaddr"), NULL, 9) == 1)) + (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1)) return &platforms[WLHDD]; if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) && - (simple_strtoul(getvar("et1phyaddr"), NULL, 9) == 10)) + (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10)) return &platforms[WL300G]; } /* unknown asus stuff, probably bcm4702 */ if (!strncmp(boardnum, "asusX", 5)) return &platforms[ASUS_4702]; - - if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) && - (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) { - if (!strncmp(getvar("ModelId"),"WE800G", 6)) - return &platforms[WE800G]; - else - return &platforms[WR850GV1]; - } - } - - if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) { - /* Buffalo hardware, check id for specific hardware matches */ - if (!strcmp(buf, "29bb0332")) - return &platforms[WBR2_G54]; - if (!strcmp(buf, "29129")) - return &platforms[WLA2_G54L]; - if (!strcmp(buf, "30189")) - return &platforms[WHR_HP_G54]; - if (!strcmp(buf, "30182")) - return &platforms[WHR_G54S]; - if (!strcmp(buf, "290441dd")) - return &platforms[WHR2_A54G54]; } if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */ @@ -554,21 +713,259 @@ static struct platform_t __init *platform_detect(void) return &platforms[BUFFALO_UNKNOWN]; } - if (!strcmp(getvar("CFEver"), "MotoWRv203")) - return &platforms[WR850GV2]; + if (!strcmp(getvar("CFEver"), "MotoWRv203") || + !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) { + + return &platforms[WR850GV2V3]; + } + + if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */ + return &platforms[TEW411BRPP]; + } + + if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */ + return &platforms[STI_NAS]; + + if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */ + return &platforms[DWL3150]; /* not found */ return NULL; } -static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos); -static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, void *data); -static struct file_operations diag_proc_fops = { - read: diag_proc_read, - write: diag_proc_write -}; +static void register_buttons(struct button_t *b) +{ + for (; b->name; b++) + platform.button_mask |= b->gpio; + + platform.button_mask &= ~gpiomask; + + gpio_outen(platform.button_mask, 0); + gpio_control(platform.button_mask, 0); + platform.button_polarity = gpio_in() & platform.button_mask; + gpio_intpolarity(platform.button_mask, platform.button_polarity); + gpio_intmask(platform.button_mask, platform.button_mask); + gpio_set_irqenable(1, button_handler); +} + +static void unregister_buttons(struct button_t *b) +{ + gpio_intmask(platform.button_mask, 0); + + gpio_set_irqenable(0, button_handler); +} + + +#ifndef LINUX_2_4 +static void add_msg(struct event_t *event, char *msg, int argv) +{ + char *s; + + if (argv) + return; + + s = skb_put(event->skb, strlen(msg) + 1); + strcpy(s, msg); +} + +static void hotplug_button(struct work_struct *work) +{ + struct event_t *event = container_of(work, struct event_t, wq); + char *s; + if (!uevent_sock) + return; + + event->skb = alloc_skb(2048, GFP_KERNEL); + + s = skb_put(event->skb, strlen(event->action) + 2); + sprintf(s, "%s@", event->action); + fill_event(event); + + NETLINK_CB(event->skb).dst_group = 1; + netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL); + + kfree(event); +} + +#else /* !LINUX_2_4 */ +static inline char *kzalloc(unsigned int size, unsigned int gfp) +{ + char *p; + + p = kmalloc(size, gfp); + if (p == NULL) + return NULL; + + memset(p, 0, size); + + return p; +} + +static void add_msg(struct event_t *event, char *msg, int argv) +{ + if (argv) + event->argv[event->anr++] = event->scratch; + else + event->envp[event->enr++] = event->scratch; + + event->scratch += sprintf(event->scratch, "%s", msg) + 1; +} + +static void hotplug_button(struct event_t *event) +{ + char *scratch = kzalloc(256, GFP_KERNEL); + event->scratch = scratch; + + add_msg(event, hotplug_path, 1); + add_msg(event, "button", 1); + fill_event(event); + call_usermodehelper (event->argv[0], event->argv, event->envp); + kfree(scratch); + kfree(event); +} +#endif /* !LINUX_2_4 */ + +static int fill_event (struct event_t *event) +{ + static char buf[128]; + + add_msg(event, "HOME=/", 0); + add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0); + add_msg(event, "SUBSYSTEM=button", 0); + snprintf(buf, 128, "ACTION=%s", event->action); + add_msg(event, buf, 0); + snprintf(buf, 128, "BUTTON=%s", event->name); + add_msg(event, buf, 0); + snprintf(buf, 128, "SEEN=%ld", event->seen); + add_msg(event, buf, 0); +#ifndef LINUX_2_4 + snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum()); + add_msg(event, buf, 0); +#endif + + return 0; +} + + +#ifndef LINUX_2_4 +static irqreturn_t button_handler(int irq, void *dev_id) +#else +static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs) +#endif +{ + struct button_t *b; + u32 in, changed; + + in = gpio_in() & platform.button_mask; + gpio_intpolarity(platform.button_mask, in); + changed = platform.button_polarity ^ in; + platform.button_polarity = in; + + changed &= ~gpio_outen(0, 0); + + for (b = platform.buttons; b->name; b++) { + struct event_t *event; + + if (!(b->gpio & changed)) continue; + + b->pressed ^= 1; + + if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) { + event->seen = (jiffies - b->seen)/HZ; + event->name = b->name; + event->action = b->pressed ? "pressed" : "released"; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) + INIT_WORK(&event->wq, (void *)(void *)hotplug_button); +#else + INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event); +#endif + schedule_work(&event->wq); + } + + b->seen = jiffies; + } + return IRQ_HANDLED; +} + +static void register_leds(struct led_t *l) +{ + struct proc_dir_entry *p; + u32 mask = 0; + u32 val = 0; + + leds = proc_mkdir("led", diag); + if (!leds) + return; + + for(; l->name; l++) { + if (l->gpio & gpiomask) + continue; + + if (l->gpio & GPIO_TYPE_EXTIF) { + l->state = 0; + set_led_extif(l); + } else { + mask |= l->gpio; + val |= (l->polarity == NORMAL)?0:l->gpio; + } + + if ((p = create_proc_entry(l->name, S_IRUSR, leds))) { + l->proc.type = PROC_LED; + l->proc.ptr = l; + p->data = (void *) &l->proc; + p->proc_fops = &diag_proc_fops; + } + } + + gpio_outen(mask, mask); + gpio_control(mask, 0); + gpio_out(mask, val); +} + +static void unregister_leds(struct led_t *l) +{ + for(; l->name; l++) + remove_proc_entry(l->name, leds); + + remove_proc_entry("led", diag); +} + +static void set_led_extif(struct led_t *led) +{ + gpio_set_extif(led->gpio, led->state); +} + +static void led_flash(unsigned long dummy) { + struct led_t *l; + u32 mask = 0; + u8 extif_blink = 0; + + for (l = platform.leds; l->name; l++) { + if (l->flash) { + if (l->gpio & GPIO_TYPE_EXTIF) { + extif_blink = 1; + l->state = !l->state; + set_led_extif(l); + } else { + mask |= l->gpio; + } + } + } + + mask &= ~gpiomask; + if (mask) { + u32 val = ~gpio_in(); + + gpio_outen(mask, mask); + gpio_control(mask, 0); + gpio_out(mask, val); + } + if (mask || extif_blink) { + mod_timer(&led_timer, jiffies + FLASH_TIME); + } +} static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos) { @@ -595,8 +992,8 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t if (led->gpio & GPIO_TYPE_EXTIF) { len = sprintf(page, "%d\n", led->state); } else { - int in = (sb_gpioin(sbh) & led->gpio ? 1 : 0); - int p = (led->polarity == NORMAL ? 0 : 1); + u32 in = (gpio_in() & led->gpio ? 1 : 0); + u8 p = (led->polarity == NORMAL ? 0 : 1); len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0)); } } @@ -606,7 +1003,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t len = sprintf(page, "%s\n", platform.name); break; case PROC_GPIOMASK: - len = sprintf(page, "%d\n", gpiomask); + len = sprintf(page, "0x%04x\n", gpiomask); break; } } @@ -623,11 +1020,12 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t len = 0; } + kfree(page); return len; } -static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, void *data) +static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { #ifdef LINUX_2_4 struct inode *inode = file->f_dentry->d_inode; @@ -654,9 +1052,6 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, struct led_t *led = (struct led_t *) handler->ptr; int p = (led->polarity == NORMAL ? 0 : 1); - if (!(led->gpio & GPIO_TYPE_EXTIF) && (led->gpio & gpiomask)) - break; - if (page[0] == 'f') { led->flash = 1; led_flash(0); @@ -666,15 +1061,25 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, led->state = p ^ ((page[0] == '1') ? 1 : 0); set_led_extif(led); } else { - sb_gpioouten(sbh, led->gpio, led->gpio, GPIO_DRV_PRIORITY); - sb_gpiocontrol(sbh, led->gpio, 0, GPIO_DRV_PRIORITY); - sb_gpioout(sbh, led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0), GPIO_DRV_PRIORITY); + gpio_outen(led->gpio, led->gpio); + gpio_control(led->gpio, 0); + gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0)); } } break; } case PROC_GPIOMASK: - gpiomask = simple_strtoul(page, NULL, 16); + gpiomask = simple_strtoul(page, NULL, 0); + + if (platform.buttons) { + unregister_buttons(platform.buttons); + register_buttons(platform.buttons); + } + + if (platform.leds) { + unregister_leds(platform.leds); + register_leds(platform.leds); + } break; } ret = count; @@ -684,216 +1089,6 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, return ret; } -struct event_t { - struct work_struct tq; - char buf[256]; - char *argv[3]; - char *envp[6]; -}; - -static void hotplug_button(struct event_t *event) -{ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - call_usermodehelper (event->argv[0], event->argv, event->envp, 1); -#else - call_usermodehelper (event->argv[0], event->argv, event->envp); -#endif - kfree(event); -} - -static void set_irqenable(int enabled) -{ - unsigned int coreidx; - unsigned long flags; - chipcregs_t *cc; - - spin_lock_irqsave(sbh_lock, flags); - coreidx = sb_coreidx(sbh); - if ((cc = sb_setcore(sbh, SB_CC, 0))) { - int intmask; - - intmask = readl(&cc->intmask); - if (enabled) - intmask |= CI_GPIO; - else - intmask &= ~CI_GPIO; - writel(intmask, &cc->intmask); - } - sb_setcoreidx(sbh, coreidx); - spin_unlock_irqrestore(sbh_lock, flags); -} - - -static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs) -{ - struct button_t *b; - int in = sb_gpioin(sbh); - struct event_t *event; - - set_irqenable(0); - for (b = platform.buttons; b->name; b++) { - if (b->gpio & gpiomask) - continue; - - if (b->polarity != (in & b->gpio)) { - b->pressed ^= 1; - - if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) { - int i; - char *scratch = event->buf; - - i = 0; - event->argv[i++] = hotplug_path; - event->argv[i++] = "button"; - event->argv[i] = 0; - - i = 0; - event->envp[i++] = "HOME=/"; - event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; - event->envp[i++] = scratch; - scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1; - event->envp[i++] = scratch; - scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1; - event->envp[i++] = scratch; - scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1; - event->envp[i] = 0; - - INIT_WORK(&event->tq, (void *)(void *)hotplug_button, (void *)event); - schedule_work(&event->tq); - } - - b->seen = jiffies; - b->polarity ^= b->gpio; - sb_gpiointpolarity(sbh, b->gpio, b->polarity, GPIO_DRV_PRIORITY); - } - } - set_irqenable(1); - return IRQ_HANDLED; -} - -static struct timer_list led_timer = { - function: &led_flash -}; - -static void led_flash(unsigned long dummy) { - struct led_t *l; - unsigned mask = 0; - unsigned extif_blink = 0; - - for (l = platform.leds; l->name; l++) { - if (l->flash) { - if (l->gpio & GPIO_TYPE_EXTIF) { - extif_blink = 1; - l->state = !l->state; - set_led_extif(l); - } else { - mask |= l->gpio; - } - } - } - - mask &= ~gpiomask; - if (mask) { - unsigned val; - - val = ~sb_gpioin(sbh); - val &= mask; - - sb_gpioouten(sbh, mask, mask, GPIO_DRV_PRIORITY); - sb_gpiocontrol(sbh, mask, 0, GPIO_DRV_PRIORITY); - sb_gpioout(sbh, mask, val, GPIO_DRV_PRIORITY); - } - if (mask || extif_blink) { - mod_timer(&led_timer, jiffies + FLASH_TIME); - } -} - -static void __init register_buttons(struct button_t *b) -{ - int irq = sb_irq(sbh) + 2; - - request_irq(irq, button_handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", button_handler); - - for (; b->name; b++) { - if (b->gpio & gpiomask) - continue; - - sb_gpioouten(sbh, b->gpio,0, GPIO_DRV_PRIORITY); - sb_gpiocontrol(sbh, b->gpio,0, GPIO_DRV_PRIORITY); - b->polarity = sb_gpioin(sbh) & b->gpio; - sb_gpiointpolarity(sbh, b->gpio, b->polarity, GPIO_DRV_PRIORITY); - sb_gpiointmask(sbh, b->gpio, b->gpio, GPIO_DRV_PRIORITY); - } - set_irqenable(1); -} - -static void __exit unregister_buttons(struct button_t *b) -{ - int irq = sb_irq(sbh) + 2; - - for (; b->name; b++) - sb_gpiointmask(sbh, b->gpio, 0, GPIO_DRV_PRIORITY); - - free_irq(irq, button_handler); -} - -static void __init register_leds(struct led_t *l) -{ - struct proc_dir_entry *p; - - leds = proc_mkdir("led", diag); - if (!leds) - return; - - for(; l->name; l++) { - if (l->gpio & gpiomask) - continue; - - if (l->gpio & GPIO_TYPE_EXTIF) { - l->state = 0; - set_led_extif(l); - } else { - sb_gpioouten(sbh, l->gpio, l->gpio, GPIO_DRV_PRIORITY); - sb_gpiocontrol(sbh, l->gpio, 0, GPIO_DRV_PRIORITY); - sb_gpioout(sbh, l->gpio, (l->polarity == NORMAL)?0:l->gpio, GPIO_DRV_PRIORITY); - } - - if ((p = create_proc_entry(l->name, S_IRUSR, leds))) { - l->proc.type = PROC_LED; - l->proc.ptr = l; - p->data = (void *) &l->proc; - p->proc_fops = &diag_proc_fops; - } - } -} - -static void __exit unregister_leds(struct led_t *l) -{ - for(; l->name; l++) - remove_proc_entry(l->name, leds); - - remove_proc_entry("led", diag); -} - -static void __exit diag_exit(void) -{ - - del_timer(&led_timer); - - if (platform.buttons) - unregister_buttons(platform.buttons); - - if (platform.leds) - unregister_leds(platform.leds); - - remove_proc_entry("model", diag); - remove_proc_entry("gpiomask", diag); - remove_proc_entry("diag", NULL); -} - -static struct prochandler_t proc_model = { .type = PROC_MODEL }; -static struct prochandler_t proc_gpiomask = { .type = PROC_GPIOMASK }; - static int __init diag_init(void) { static struct proc_dir_entry *p; @@ -907,6 +1102,9 @@ static int __init diag_init(void) memcpy(&platform, detected, sizeof(struct platform_t)); printk(MODULE_NAME ": Detected '%s'\n", platform.name); + if (platform.platform_init != NULL) { + platform.platform_init(); + } if (!(diag = proc_mkdir("diag", NULL))) { printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n"); @@ -932,6 +1130,21 @@ static int __init diag_init(void) return 0; } +static void __exit diag_exit(void) +{ + del_timer(&led_timer); + + if (platform.buttons) + unregister_buttons(platform.buttons); + + if (platform.leds) + unregister_leds(platform.leds); + + remove_proc_entry("model", diag); + remove_proc_entry("gpiomask", diag); + remove_proc_entry("diag", NULL); +} + module_init(diag_init); module_exit(diag_exit);