-/*
- * diag.c - GPIO interface driver for Broadcom boards
- *
- * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
- * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/kmod.h>
-#include <linux/proc_fs.h>
-#include <linux/timer.h>
-#include <linux/version.h>
-#include <asm/uaccess.h>
-#include <linux/workqueue.h>
-#include <linux/skbuff.h>
-#include <linux/netlink.h>
-#include <linux/kobject.h>
-#include <net/sock.h>
-#include <bcm47xx_board.h>
-extern u64 uevent_next_seqnum(void);
-
-#include "gpio.h"
-#include "diag.h"
-#define getvar(str) (nvram_get(str)?:"")
-
-static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
-static int fill_event(struct event_t *);
-static unsigned int gpiomask = 0;
-module_param(gpiomask, int, 0644);
-
-extern char *nvram_get(char *str);
-static void led_flash(unsigned long dummy);
-
-static struct platform_t platform;
-
-static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
-
-static struct proc_dir_entry *diag, *leds;
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
-static inline struct inode *file_inode(struct file *f)
-{
- return f->f_path.dentry->d_inode;
-}
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
-static inline void *PDE_DATA(const struct inode *inode)
-{
- return PDE(inode)->data;
-}
-#endif
-
-
-enum {
- /* Linksys */
- WAP54GV1,
- WAP54GV2,
- WAP54GV3,
- WRT54GV1,
- WRT54G,
- WRT54G3G,
- WRT350N,
- WRT600N,
- WRT600NV11,
-
- /* ASUS */
- WL500G,
- ASUS_4702,
-
- /* Buffalo */
- WBR2_G54,
- WLA2_G54L,
- BUFFALO_UNKNOWN_4710,
-
- /* Siemens */
- SE505V1,
- SE505V2,
-
- /* US Robotics */
- USR5461,
-
- /* Dell */
- TM2300V2,
-
- /* Motorola */
- WR850GV1,
-
- /* Netgear */
- WGT634U,
- WNR834BV1,
- WNDR3700V3,
-
- /* Trendware */
- TEW411BRPP,
-
- /* SimpleTech */
- STI_NAS,
-
- /* D-Link */
- DIR320,
- DWL3150,
-
- /* Sitecom */
- WL105B,
-
- /* Western Digital */
- WDNetCenter,
-
- /* Askey */
- RT210W,
-
- /* OvisLink */
- WL1600GL,
-
- /* Microsoft */
- MN700,
-
- /* Edimax */
- PS1208MFG,
-
- /* Huawei */
-};
-
-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");
- bcm47xx_gpio_outen(pin, pin);
- bcm47xx_gpio_control(pin, 0);
- bcm47xx_gpio_out(pin, pin);
-
- /* Wait 5s, so the HDD can spin up */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ * 5);
-}
-
-static void __init NetCenter_init(void) {
- /* unset pin 6 (+12V) */
- int pin = 1 << 6;
- bcm47xx_gpio_outen(pin, pin);
- bcm47xx_gpio_control(pin, 0);
- bcm47xx_gpio_out(pin, pin);
- /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
- pin = 1 << 1;
- bcm47xx_gpio_outen(pin, pin);
- bcm47xx_gpio_control(pin, 0);
- bcm47xx_gpio_out(pin, pin);
- /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
- bcm4780_init();
-}
-
-static struct platform_t __initdata platforms[] = {
- /* Linksys */
- [WAP54GV1] = {
- .name = "Linksys WAP54G V1",
- .buttons = {
- { .name = "reset", .gpio = 1 << 0 },
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 3 },
- { .name = "wlan", .gpio = 1 << 4 },
- },
- },
- [WAP54GV2] = {
- .name = "Linksys WAP54G V2",
- .buttons = {
- { .name = "reset", .gpio = 1 << 0 },
- },
- .leds = {
- { .name = "wlan", .gpio = 1 << 5, .polarity = REVERSE },
- /* GPIO 6 is b44 (eth0, LAN) PHY power */
- },
- },
- [WAP54GV3] = {
- .name = "Linksys WAP54G V3",
- .buttons = {
- /* FIXME: verify this */
- { .name = "reset", .gpio = 1 << 7 },
- { .name = "ses", .gpio = 1 << 0 },
- },
- .leds = {
- /* FIXME: diag? */
- { .name = "ses", .gpio = 1 << 1 },
- },
- },
- [WRT54GV1] = {
- .name = "Linksys WRT54G V1.x",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- },
- .leds = {
- { .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
- { .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
- },
- },
- [WRT54G] = {
- .name = "Linksys WRT54G/GS/GL",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- { .name = "ses", .gpio = 1 << 4 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
- { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
- { .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
- { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
- },
- },
- [WRT54G3G] = {
- .name = "Linksys WRT54G3G",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- { .name = "3g", .gpio = 1 << 4 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
- { .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
- { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
- { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
- { .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_amber", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "ses_green", .gpio = 1 << 9, .polarity = REVERSE },
- { .name = "usb_blink", .gpio = 1 << 10, .polarity = REVERSE },
- { .name = "usb", .gpio = 1 << 11, .polarity = REVERSE },
- },
- },
- [WRT600N] = {
- .name = "Linksys WRT600N",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- { .name = "ses", .gpio = 1 << 7 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
- { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
- { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
- { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
- { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
- { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
- },
- },
- [WRT600NV11] = {
- .name = "Linksys WRT600N V1.1",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- { .name = "ses", .gpio = 1 << 7 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 2, .polarity = REVERSE }, // Power LED
- { .name = "usb", .gpio = 1 << 3, .polarity = REVERSE }, // USB LED
- { .name = "wl0_ses_amber", .gpio = 1 << 8, .polarity = REVERSE }, // 2.4Ghz LED Amber
- { .name = "wl0_ses_green", .gpio = 1 << 9, .polarity = REVERSE }, // 2.4Ghz LED Green
- { .name = "wl1_ses_amber", .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
- { .name = "wl1_ses_green", .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
- },
- },
- /* Asus */
- [WL500G] = {
- .name = "ASUS WL-500g",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
- },
- },
- [ASUS_4702] = {
- .name = "ASUS (unknown, BCM4702)",
- .buttons = {
- { .name = "reset", .gpio = 1 << 6 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
- },
- },
- /* Buffalo */
- [WBR2_G54] = {
- .name = "Buffalo WBR2-G54",
- /* FIXME: verify */
- .buttons = {
- { .name = "reset", .gpio = 1 << 7 },
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
- },
- },
- [WLA2_G54L] = {
- .name = "Buffalo WLA2-G54L",
- /* FIXME: verify */
- .buttons = {
- { .name = "reset", .gpio = 1 << 7 },
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
- },
- },
- [BUFFALO_UNKNOWN_4710] = {
- .name = "Buffalo (unknown, BCM4710)",
- .buttons = {
- { .name = "reset", .gpio = 1 << 4 },
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
- },
- },
- /* Siemens */
- [SE505V1] = {
- .name = "Siemens SE505 V1",
- .buttons = {
- /* No usable buttons */
- },
- .leds = {
-// { .name = "power", .gpio = 1 << 0 .polarity = REVERSE }, // Usable when retrofitting D26 (?)
- { .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE }, // actual name WWW
- { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
- },
- },
- [SE505V2] = {
- .name = "Siemens SE505 V2",
- .buttons = {
- /* No usable buttons */
- },
- .leds = {
- { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
- { .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE }, // actual name WWW
- { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
- },
- },
- /* US Robotics */
- [USR5461] = {
- .name = "U.S. Robotics USR5461",
- .buttons = {
- /* No usable buttons */
- },
- .leds = {
- { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
- { .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
- },
- },
- /* Dell */
- [TM2300V2] = {
- .name = "Dell TrueMobile 2300 v2",
- .buttons = {
- { .name = "reset", .gpio = 1 << 0 },
- },
- .leds = {
- { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
- { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
- },
- },
- /* Motorola */
- [WR850GV1] = {
- .name = "Motorola WR850G V1",
- .buttons = {
- { .name = "reset", .gpio = 1 << 0 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
- { .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
- { .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
- { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
- },
- },
-
- /* Netgear */
- [WGT634U] = {
- .name = "Netgear WGT634U",
- .buttons = {
- { .name = "reset", .gpio = 1 << 2 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
- },
- },
- /* Netgear */
- [WNR834BV1] = {
- .name = "Netgear WNR834B V1",
- .buttons = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
- .leds = {
- { .name = "power", .gpio = 1 << 4, .polarity = REVERSE },
- { .name = "diag", .gpio = 1 << 5, .polarity = REVERSE },
- { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
- },
- },
- /* Netgear */
- [WNDR3700V3] = {
- .name = "Netgear WNDR3700 V3",
- .buttons = {
- /* { .name = "usb", .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
- { .name = "wlan", .gpio = 1 << 2 },
- { .name = "reset", .gpio = 1 << 3 },
- { .name = "wps", .gpio = 1 << 4 },
- /* { .name = "switch", .gpio = 1 << 5 },*/ /* nvram get gpio5=robo_reset */
- },
- .leds = {
- { .name = "power", .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- { .name = "diag", .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
- * { .name = "wan", .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- */
- { .name = "wlan2g", .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- { .name = "wlan5g", .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- { .name = "usb", .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- { .name = "wps", .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- { .name = "wlan", .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
- },
- },
- /* 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 << 0 }, // Power button on back, named reset to enable failsafe.
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
- },
- .platform_init = bcm4780_init,
- },
- /* D-Link */
- [DIR320] = {
- .name = "D-Link DIR-320",
- .buttons = {
- { .name = "reserved", .gpio = 1 << 6},
- { .name = "reset", .gpio = 1 << 7},
- },
- .leds = {
- { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
- { .name = "diag", .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
- { .name = "red", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "blue", .gpio = 1 << 4, .polarity = REVERSE },
- { .name = "usb", .gpio = 1 << 5, .polarity = NORMAL },
- },
- },
- [DWL3150] = {
- .name = "D-Link DWL-3150",
- .buttons = {
- { .name = "reset", .gpio = 1 << 7},
- },
- .leds = {
- { .name = "diag", .gpio = 1 << 2},
- { .name = "status", .gpio = 1 << 1},
- },
- },
- /* Double check */
- [WL105B] = {
- .name = "Sitecom WL-105b",
- .buttons = {
- { .name = "reset", .gpio = 1 << 10},
- },
- .leds = {
- { .name = "wlan", .gpio = 1 << 4},
- { .name = "power", .gpio = 1 << 3},
- },
- },
- /* Western Digital Net Center */
- [WDNetCenter] = {
- .name = "Western Digital NetCenter",
- .buttons = {
- { .name = "power", .gpio = 1 << 0},
- { .name = "reset", .gpio = 1 << 7},
- },
- .platform_init = NetCenter_init,
- },
- /* Askey (and clones) */
- [RT210W] = {
- .name = "Askey RT210W",
- .buttons = {
- /* Power button is hard-wired to hardware reset */
- /* but is also connected to GPIO 7 (probably for bootloader recovery) */
- { .name = "power", .gpio = 1 << 7},
- },
- .leds = {
- /* These were verified and named based on Belkin F5D4230-4 v1112 */
- { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
- { .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
- },
- },
- [WL1600GL] = {
- .name = "OvisLink WL-1600GL",
- .buttons = {
- { .name = "reset", .gpio = 1 << 3 },
- { .name = "ses", .gpio = 1 << 4 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
- { .name = "wps", .gpio = 1 << 2, .polarity = REVERSE },
- { .name = "wlan", .gpio = 1 << 1, .polarity = REVERSE },
- { .name = "connected", .gpio = 1 << 0, .polarity = REVERSE },
- },
- },
- /* Microsoft */
- [MN700] = {
- .name = "Microsoft MN-700",
- .buttons = {
- { .name = "reset", .gpio = 1 << 7 },
- },
- .leds = {
- { .name = "power", .gpio = 1 << 6, .polarity = NORMAL },
- },
- },
- /* Edimax */
- [PS1208MFG] = {
- .name = "Edimax PS-1208MFG",
- .buttons = {
- { .name = "reset", .gpio = 1 << 4 },
- },
- .leds = {
- { .name = "status", .gpio = 1 << 1, .polarity = NORMAL },
- { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
- },
- },
- /* Huawei */
-};
-
-static struct platform_t __init *platform_detect_legacy(void)
-{
- char *boardnum, *boardtype;
-
- if (strcmp(getvar("nvram_type"), "cfe") == 0)
- return &platforms[WGT634U];
-
-
- /* no easy model number, attempt to guess */
- boardnum = getvar("boardnum");
- boardtype = getvar("boardtype");
-
- if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N v1/V1.1 */
- if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
- return &platforms[WRT600NV11];
-
- if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
- return &platforms[WRT600N];
- }
-
- if (startswith(getvar("pmon_ver"), "CFE")) {
- /* CFE based - newer hardware */
- if (!strcmp(boardnum, "42")) { /* Linksys */
- if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
- return &platforms[WRT350N];
-
- if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
- return &platforms[WRT54G3G];
-
- /* default to WRT54G if no boot_hw_model is set */
- if (nvram_get("boot_hw_model") == NULL)
- return &platforms[WRT54G];
- }
- if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
- return &platforms[WAP54GV2];
-
- if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
- return &platforms[WL1600GL];
-
-
- if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
- if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
- return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
- }
-
- if (!strcmp(boardnum, "10496"))
- return &platforms[USR5461];
-
- if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
- return &platforms[SE505V2];
-
- if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
- !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
- return &platforms[DIR320];
-
- if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
- return &platforms[WDNetCenter];
- }
-
- if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B V1 and V2*/
- if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
- return &platforms[WNR834BV1];
- }
-
- } else { /* PMON based - old stuff */
- if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
- (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
- return &platforms[WR850GV1];
- }
- if (startswith(boardtype, "bcm94710dev")) {
- if (!strcmp(boardnum, "42"))
- return &platforms[WRT54GV1];
- if (simple_strtoul(boardnum, NULL, 0) == 2)
- return &platforms[WAP54GV1];
- }
- /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
- if (startswith(getvar("hardware_version"), "WL500-")) {
- if (!strcmp(getvar("boardnum"), "mn700"))
- return &platforms[MN700];
- else
- return &platforms[WL500G];
- }
- /* Sitecom WL-105b */
- if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
- return &platforms[WL105B];
-
- /* unknown asus stuff, probably bcm4702 */
- if (startswith(boardnum, "asusX"))
- return &platforms[ASUS_4702];
-
- /* bcm4702 based Askey RT210W clones, Including:
- * Askey RT210W (duh?)
- * Siemens SE505v1
- * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
- */
- if (!strcmp(boardtype,"bcm94710r4")
- && !strcmp(boardnum ,"100")
- && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
- ){
- return &platforms[RT210W];
- }
- }
-
- if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
- if (startswith(boardtype, "bcm94710ap"))
- return &platforms[BUFFALO_UNKNOWN_4710];
- }
-
- if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) { /* Trendware TEW-411BRP+ */
- return &platforms[TEW411BRPP];
- }
-
- if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
- return &platforms[STI_NAS];
-
- if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
- return &platforms[DWL3150];
-
- if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
- !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
- return &platforms[PS1208MFG];
-
- /* not found */
- return NULL;
-}
-
-static struct platform_t __init *platform_detect(void)
-{
- enum bcm47xx_board board;
- const char *board_name;
-
-
- board = bcm47xx_board_get();
- board_name = bcm47xx_board_get_name();
-
- switch(board) {
- case BCM47XX_BOARD_BUFFALO_WBR2_G54:
- return &platforms[WBR2_G54];
- case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
- return &platforms[WLA2_G54L];
- case BCM47XX_BOARD_LINKSYS_WRT54G:
- return &platforms[WRT54G];
- case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
- return &platforms[WNDR3700V3];
- case BCM47XX_BOARD_UNKNOWN:
- case BCM47XX_BOARD_NO:
- printk(MODULE_NAME ": unknown board found, try legacy detect\n");
- printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
- return platform_detect_legacy();
- default:
- printk(MODULE_NAME ": board was detected as \"%s\", and kernel should handle it\n", board_name);
- return NULL;
- }
-}
-
-static inline void ssb_maskset32(struct ssb_device *dev,
- u16 offset, u32 mask, u32 set)
-{
- ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
-}
-
-static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
-{
- int irq;
- int err;
-
- irq = gpio_to_irq(0);
- if (irq < 0) {
- pr_err("no irq for gpio available\n");
- return;
- }
-
- if (enabled) {
- err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
- if (err) {
- pr_err("can not reqeust irq\n");
- return;
- }
- } else {
- free_irq(irq, handler);
- }
-
- switch (bcm47xx_bus_type) {
-#ifdef CONFIG_BCM47XX_SSB
- case BCM47XX_BUS_TYPE_SSB:
- if (bcm47xx_bus.ssb.chipco.dev)
- ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
- break;
-#endif
-#ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
- if (bcm47xx_bus.bcma.bus.drv_cc.core)
- bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
- break;
-#endif
- }
-}
-
-static void hotplug_button(struct work_struct *work)
-{
- struct event_t *event = container_of(work, struct event_t, wq);
- char *s;
-
- 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;
- broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
-
- kfree(event);
-}
-
-static irqreturn_t button_handler(int irq, void *dev_id)
-{
- struct button_t *b;
- u32 in, changed;
-
- in = bcm47xx_gpio_in(~0) & platform.button_mask;
- bcm47xx_gpio_polarity(platform.button_mask, in);
- changed = platform.button_polarity ^ in;
- platform.button_polarity = in;
-
- changed &= ~bcm47xx_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";
- INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
- schedule_work(&event->wq);
- }
-
- b->seen = jiffies;
- }
- return IRQ_HANDLED;
-}
-
-static void register_buttons(struct button_t *b)
-{
- for (; b->name; b++)
- platform.button_mask |= b->gpio;
-
- platform.button_mask &= ~gpiomask;
-
- bcm47xx_gpio_outen(platform.button_mask, 0);
- bcm47xx_gpio_control(platform.button_mask, 0);
- platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
- bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
- bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
-
- gpio_set_irqenable(1, button_handler);
-}
-
-static void unregister_buttons(struct button_t *b)
-{
- bcm47xx_gpio_intmask(platform.button_mask, 0);
-
- gpio_set_irqenable(0, button_handler);
-}
-
-
-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 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);
- snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
- add_msg(event, buf, 0);
-
- return 0;
-}
-
-/*
- * This should be extended to allow the platform to specify the pins and width
- * of the shift register. They're hardcoded for now because only the WNDR3700v3
- * uses it.
- */
-static void shiftreg_output(unsigned int val)
-{
- unsigned int mask;
-
- bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
- bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
-
- /* shift 8 times */
- for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
- {
- bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
- bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
- bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
- }
-}
-
-static void set_led_shift(struct led_t *led)
-{
- static u32 shiftreg = 0;
- u32 old = shiftreg;
- u32 pin = (led->gpio & ~GPIO_TYPE_MASK);
-
- if (led->state) {
- shiftreg |= pin;
- } else {
- shiftreg &= ~pin;
- }
-
- /* Clock the bits out. */
- if (shiftreg != old) {
- shiftreg_output(shiftreg);
- }
-}
-
-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;
-}
-
-
-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) continue;
- switch (l->gpio & GPIO_TYPE_MASK) {
- case GPIO_TYPE_EXTIF:
- extif_blink = 1;
- l->state = !l->state;
- set_led_extif(l);
- break;
- case GPIO_TYPE_SHIFT:
- extif_blink = 1;
- l->state = !l->state;
- set_led_shift(l);
- break;
- case GPIO_TYPE_NORMAL:
- default:
- mask |= l->gpio;
- break;
- }
- }
-
- mask &= ~gpiomask;
- if (mask) {
- u32 val = ~bcm47xx_gpio_in(~0);
-
- bcm47xx_gpio_outen(mask, mask);
- bcm47xx_gpio_control(mask, 0);
- bcm47xx_gpio_out(mask, val);
- }
- if (mask || extif_blink) {
- mod_timer(&led_timer, jiffies + FLASH_TIME);
- }
-}
-
-static int diag_led_show(struct seq_file *m, void *v)
-{
- struct led_t * led = m->private;
-
- u8 p = (led->polarity == NORMAL ? 0 : 1);
- if (led->flash) {
- return seq_printf(m, "f\n");
- } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
- return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
- } else {
- u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
- return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
- }
-}
-
-static int diag_led_open(struct inode *inode, struct file *file)
-{
- return single_open(file, diag_led_show, PDE_DATA(inode));
-}
-
-static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
-{
- struct led_t *led = PDE_DATA(file_inode(file));
- char cmd[5];
- size_t len;
- int p;
-
- len = min(count, sizeof(cmd) - 1);
- if (copy_from_user(cmd, buf, len))
- return -EFAULT;
-
- cmd[len] = 0;
-
- p = (led->polarity == NORMAL ? 0 : 1);
- if (cmd[0] == 'f') {
- led->flash = 1;
- led_flash(0);
- } else {
- led->flash = 0;
- if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
- led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
- set_led_extif(led);
- } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
- led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
- set_led_shift(led);
- } else {
- bcm47xx_gpio_outen(led->gpio, led->gpio);
- bcm47xx_gpio_control(led->gpio, 0);
- bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
- }
- }
- return count;
-}
-
-static const struct file_operations diag_led_fops = {
- .open = diag_led_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = diag_led_write
-};
-
-static void register_leds(struct led_t *l)
-{
- struct proc_dir_entry *p;
- u32 mask = 0;
- u32 oe_mask = 0;
- u32 val = 0;
-
- leds = proc_mkdir("led", diag);
- if (!leds)
- return;
-
- for(; l->name; l++) {
- if (l->gpio & gpiomask)
- continue;
-
- switch (l->gpio & GPIO_TYPE_MASK) {
- case GPIO_TYPE_EXTIF:
- l->state = 0;
- set_led_extif(l);
- break;
- case GPIO_TYPE_SHIFT:
- mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
- oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
- l->state = (l->polarity != NORMAL);
- set_led_shift(l);
- break;
- case GPIO_TYPE_NORMAL:
- default:
- if (l->polarity != INPUT) oe_mask |= l->gpio;
- mask |= l->gpio;
- val |= (l->polarity == NORMAL)?0:l->gpio;
- break;
- }
-
- if (l->polarity == INPUT) continue;
-
- p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
- }
-
- bcm47xx_gpio_outen(mask, oe_mask);
- bcm47xx_gpio_control(mask, 0);
- bcm47xx_gpio_out(mask, val);
- bcm47xx_gpio_intmask(mask, 0);
-}
-
-static void unregister_leds(struct led_t *l)
-{
- for(; l->name; l++)
- remove_proc_entry(l->name, leds);
-
- remove_proc_entry("led", diag);
-}
-
-static int diag_model_show(struct seq_file *m, void *v)
-{
- return seq_printf(m, "%s\n", platform.name);
-}
-
-static int diag_model_open(struct inode *inode, struct file *file)
-{
- return single_open(file, diag_model_show, PDE_DATA(inode));
-}
-
-static const struct file_operations diag_model_fops = {
- .open = diag_model_open,
- .read = seq_read,
- .llseek = seq_lseek
-};
-
-static int diag_gpiomask_show(struct seq_file *m, void *v)
-{
- return seq_printf(m, "0x%04x\n", gpiomask);
-}
-
-static int diag_gpiomask_open(struct inode *inode, struct file *file)
-{
- return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
-}
-
-static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
-{
- int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
- if (err)
- return err;
-
- if (platform.buttons) {
- unregister_buttons(platform.buttons);
- register_buttons(platform.buttons);
- }
-
- if (platform.leds) {
- unregister_leds(platform.leds);
- register_leds(platform.leds);
- }
-
- return count;
-}
-
-static const struct file_operations diag_gpiomask_fops = {
- .open = diag_gpiomask_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = diag_gpiomask_write
-};
-
-static int __init diag_init(void)
-{
- static struct proc_dir_entry *p;
- static struct platform_t *detected;
-
- detected = platform_detect();
- if (!detected) {
- printk(MODULE_NAME ": Router model not detected.\n");
- return -ENODEV;
- }
- 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");
- return -EINVAL;
- }
-
- p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
- if (!p) {
- remove_proc_entry("diag", NULL);
- return -EINVAL;
- }
-
- p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
- if (!p) {
- remove_proc_entry("model", diag);
- remove_proc_entry("diag", NULL);
- return -EINVAL;
- }
-
- if (platform.buttons)
- register_buttons(platform.buttons);
-
- if (platform.leds)
- register_leds(platform.leds);
-
- 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);
-
-MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
-MODULE_LICENSE("GPL");
projects / openwrt.git / commitdiff