forward port diag changes from whiterussian, add extra abstraction for the gpio stuff
authorFelix Fietkau <nbd@openwrt.org>
Thu, 9 Nov 2006 07:35:27 +0000 (07:35 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Thu, 9 Nov 2006 07:35:27 +0000 (07:35 +0000)
SVN-Revision: 5478

package/broadcom-diag/src/diag.c
package/broadcom-diag/src/diag.h [new file with mode: 0644]
package/broadcom-diag/src/gpio.h [new file with mode: 0644]

index e0b08be..7c6e303 100644 (file)
@@ -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 <linux/module.h>
 #include <linux/pci.h>
 #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 <typedefs.h>
-#include <osl.h>
-#include <bcmdevs.h>
-#include <sbutils.h>
-#include <sbconfig.h>
-#include <sbchipc.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <sbmips.h>
-#else
-#include <hndcpu.h>
-#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 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,
@@ -149,13 +85,13 @@ enum {
        /* Motorola */
        WE800G,
        WR850GV1,
-       WR850GV2,
+       WR850GV2V3,
 
        /* Belkin */
        BELKIN_UNKNOWN,
 };
 
-static struct platform_t platforms[] = {
+static struct platform_t __initdata platforms[] = {
        /* Linksys */
        [WAP54GV1] = {
                .name           = "Linksys WAP54G V1",
@@ -190,7 +126,7 @@ 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 },
@@ -291,12 +227,14 @@ static struct platform_t platforms[] = {
                .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 },
                },
        },
        [WBR2_G54] = {
@@ -422,21 +360,21 @@ 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 },
                },
        },
        /* Belkin */
@@ -454,25 +392,6 @@ static struct platform_t platforms[] = {
        },
 };
 
-extern void *sbh;
-extern spinlock_t sbh_lock;
-extern char *nvram_get(char *str);
-
-static struct proc_dir_entry *diag, *leds;
-static struct platform_t platform;
-static void led_flash(unsigned long dummy);
-
-#define getvar(str) (nvram_get(str)?:"")
-
-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 struct platform_t __init *platform_detect(void)
 {
        char *boardnum, *boardtype, *buf;
@@ -505,7 +424,7 @@ static struct platform_t __init *platform_detect(void)
                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))
@@ -513,10 +432,10 @@ 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];
                }
 
@@ -554,21 +473,173 @@ 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];
+       }
 
        /* 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);
+}
+
+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 irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+       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;
+
+       for (b = platform.buttons; b->name; b++) { 
+               struct event_t *event;
+
+               if (!(b->gpio & changed)) continue;
+
+               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->wq, (void *)(void *)hotplug_button, (void *)event);
+                       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 +666,8 @@ 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 +677,7 @@ 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;
                }
        }
@@ -627,7 +698,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
 }
 
 
-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 +725,6 @@ 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 +734,25 @@ 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 +762,6 @@ 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;
@@ -932,6 +800,22 @@ 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);
 
diff --git a/package/broadcom-diag/src/diag.h b/package/broadcom-diag/src/diag.h
new file mode 100644 (file)
index 0000000..30791cf
--- /dev/null
@@ -0,0 +1,125 @@
+/*
+ * diag.h - GPIO interface driver for Broadcom boards
+ *
+ * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
+ *                    Felix Fietkau <nbd@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.
+ *
+ * $Id:$
+ */
+
+#define MODULE_NAME "diag"
+
+#define MAX_GPIO 8
+#define FLASH_TIME HZ/6
+
+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;
+       u32 gpio;
+       unsigned long seen;
+       u8 pressed;
+};
+
+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];
+       u32 button_mask;
+       u32 button_polarity;
+
+       struct led_t leds[MAX_GPIO];
+};
+
+struct event_t {
+       struct work_struct wq;
+       char buf[256];
+       char *argv[3];
+       char *envp[6];
+};
+
+extern char *nvram_get(char *str);
+
+static struct platform_t platform;
+
+/* buttons */
+
+static void register_buttons(struct button_t *b);
+static void unregister_buttons(struct button_t *b);
+
+static void hotplug_button(struct event_t *event);
+static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs);
+
+/* leds */
+
+static void register_leds(struct led_t *l);
+static void unregister_leds(struct led_t *l);
+
+static void set_led_extif(struct led_t *led);
+static void led_flash(unsigned long dummy);
+
+/* 2.4 compatibility */
+#ifndef TIMER_INITIALIZER
+#define TIMER_INITIALIZER(_function, _expires, _data) \
+       { \
+               /* _expires and _data currently unused */ \
+               function: _function \
+       }
+#endif
+
+static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
+
+/* proc */
+
+static struct proc_dir_entry *diag, *leds;
+
+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, loff_t *ppos);
+
+static struct file_operations diag_proc_fops = {
+       read: diag_proc_read,
+       write: diag_proc_write
+};
+
+static struct prochandler_t proc_model = { .type = PROC_MODEL };
+static struct prochandler_t proc_gpiomask = { .type = PROC_GPIOMASK };
+
diff --git a/package/broadcom-diag/src/gpio.h b/package/broadcom-diag/src/gpio.h
new file mode 100644 (file)
index 0000000..c6f34bd
--- /dev/null
@@ -0,0 +1,78 @@
+#ifndef __DIAG_GPIO_H
+#define __DIAG_GPIO_H
+
+#include <typedefs.h>
+#include <osl.h>
+#include <bcmdevs.h>
+#include <sbutils.h>
+#include <sbconfig.h>
+#include <sbchipc.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#include <sbmips.h>
+#else
+#include <hndcpu.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define sbh bcm947xx_sbh
+#define sbh_lock bcm947xx_sbh_lock
+#endif
+
+#define EXTIF_ADDR 0x1f000000
+#define EXTIF_UART (EXTIF_ADDR + 0x00800000)
+
+#define GPIO_TYPE_NORMAL       (0x0 << 24)
+#define GPIO_TYPE_EXTIF        (0x1 << 24)
+#define GPIO_TYPE_MASK         (0xf << 24)
+
+extern void *sbh;
+extern spinlock_t sbh_lock;
+
+#define gpio_in()      sb_gpioin(sbh)
+#define gpio_out(mask, value)  sb_gpioout(sbh, mask, ((value) & (mask)), GPIO_DRV_PRIORITY)
+#define gpio_outen(mask, value)        sb_gpioouten(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_control(mask, value)      sb_gpiocontrol(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_intmask(mask, value)      sb_gpiointmask(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_intpolarity(mask, value)  sb_gpiointpolarity(sbh, mask, value, GPIO_DRV_PRIORITY)
+
+static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, struct pt_regs *))
+{
+       unsigned int coreidx;
+       unsigned long flags;
+       chipcregs_t *cc;
+       int irq;
+
+       spin_lock_irqsave(sbh_lock, flags);
+       coreidx = sb_coreidx(sbh);
+
+       irq = sb_irq(sbh) + 2;
+       if (enabled)
+               request_irq(irq, handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", handler);
+       else
+               free_irq(irq, handler);
+
+       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 inline void gpio_set_extif(int gpio, int value)
+{
+       volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (gpio & ~GPIO_TYPE_MASK);
+       if (value)
+               *addr = 0xFF;
+       else
+               *addr;
+}
+
+
+#endif