From 075899682416938171ad47cba21de5dceebcdb43 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 4 Aug 2012 19:46:25 +0000 Subject: brcm47xx: use libgpio instaed of implementing the gpio interface ourself. SVN-Revision: 32992 --- package/broadcom-diag/src/diag.c | 108 +++++++++++++++++++++++++++------------ 1 file changed, 74 insertions(+), 34 deletions(-) (limited to 'package/broadcom-diag/src/diag.c') diff --git a/package/broadcom-diag/src/diag.c b/package/broadcom-diag/src/diag.c index 090fc5e3d5..cf6d789c29 100644 --- a/package/broadcom-diag/src/diag.c +++ b/package/broadcom-diag/src/diag.c @@ -156,9 +156,9 @@ static void __init bcm4780_init(void) { /* 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); + 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); @@ -168,14 +168,14 @@ static void __init bcm4780_init(void) { static void __init NetCenter_init(void) { /* unset pin 6 (+12V) */ int pin = 1 << 6; - gpio_outen(pin, pin); - gpio_control(pin, 0); - gpio_out(pin, pin); + 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; - gpio_outen(pin, pin); - gpio_control(pin, 0); - gpio_out(pin, pin); + 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(); } @@ -184,9 +184,9 @@ static void __init bcm57xx_init(void) { int pin = 1 << 2; /* FIXME: switch comes up, but port mappings/vlans not right */ - gpio_outen(pin, pin); - gpio_control(pin, 0); - gpio_out(pin, pin); + bcm47xx_gpio_outen(pin, pin); + bcm47xx_gpio_control(pin, 0); + bcm47xx_gpio_out(pin, pin); } static struct platform_t __initdata platforms[] = { @@ -1283,6 +1283,42 @@ static struct platform_t __init *platform_detect(void) 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; + + irq = gpio_to_irq(0); + if (irq == -EINVAL) return; + + if (enabled) { + if (request_irq(irq, handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, "gpio", handler)) + 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 register_buttons(struct button_t *b) { for (; b->name; b++) @@ -1290,18 +1326,18 @@ static void register_buttons(struct button_t *b) 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_setintmask(platform.button_mask, platform.button_mask); + 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) { - gpio_setintmask(platform.button_mask, 0); + bcm47xx_gpio_intmask(platform.button_mask, 0); gpio_set_irqenable(0, button_handler); } @@ -1361,12 +1397,12 @@ static irqreturn_t button_handler(int irq, void *dev_id) struct button_t *b; u32 in, changed; - in = gpio_in() & platform.button_mask; - gpio_intpolarity(platform.button_mask, in); + 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 &= ~gpio_outen(0, 0); + changed &= ~bcm47xx_gpio_outen(0, 0); for (b = platform.buttons; b->name; b++) { struct event_t *event; @@ -1422,10 +1458,10 @@ static void register_leds(struct led_t *l) } } - gpio_outen(mask, oe_mask); - gpio_control(mask, 0); - gpio_out(mask, val); - gpio_setintmask(mask, 0); + 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) @@ -1438,7 +1474,11 @@ static void unregister_leds(struct led_t *l) static void set_led_extif(struct led_t *led) { - gpio_set_extif(led->gpio, led->state); + 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) { @@ -1460,11 +1500,11 @@ static void led_flash(unsigned long dummy) { mask &= ~gpiomask; if (mask) { - u32 val = ~gpio_in(); + u32 val = ~bcm47xx_gpio_in(~0); - gpio_outen(mask, mask); - gpio_control(mask, 0); - gpio_out(mask, val); + 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); @@ -1491,7 +1531,7 @@ 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 { - u32 in = (gpio_in() & led->gpio ? 1 : 0); + u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0); u8 p = (led->polarity == NORMAL ? 0 : 1); len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0)); } @@ -1555,9 +1595,9 @@ 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 { - gpio_outen(led->gpio, led->gpio); - gpio_control(led->gpio, 0); - gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0)); + bcm47xx_gpio_outen(led->gpio, led->gpio); + bcm47xx_gpio_control(led->gpio, 0); + bcm47xx_gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0)); } } break; -- cgit v1.2.3