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author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-01-10 14:05:18 +0000 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2013-01-10 14:05:18 +0000 |
commit | 885eea184225e2d190f7aa8742ac806034caa9fc (patch) | |
tree | d60d951609d8e3a315c92b06a0670dc814525594 /target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch | |
parent | a2950fabd4c84c867bf303e2e92bf99c2eb8b87a (diff) | |
download | master-31e0f0ae-885eea184225e2d190f7aa8742ac806034caa9fc.tar.gz master-31e0f0ae-885eea184225e2d190f7aa8742ac806034caa9fc.tar.bz2 master-31e0f0ae-885eea184225e2d190f7aa8742ac806034caa9fc.zip |
kernel: update bcma and ssb to master-2013-01-09 from wireless-testing
SVN-Revision: 35080
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch b/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch deleted file mode 100644 index cff3184d88..0000000000 --- a/target/linux/brcm47xx/patches-3.6/502-bcm47xx-rewrite-gpio-handling.patch +++ /dev/null @@ -1,493 +0,0 @@ ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -101,6 +101,7 @@ config ATH79 - - config BCM47XX - bool "Broadcom BCM47XX based boards" -+ select ARCH_REQUIRE_GPIOLIB - select BOOT_RAW - select CEVT_R4K - select CSRC_R4K -@@ -110,7 +111,6 @@ config BCM47XX - select NO_EXCEPT_FILL - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN -- select GENERIC_GPIO - select CFE - help - Support for BCM47XX based boards ---- a/arch/mips/bcm47xx/gpio.c -+++ b/arch/mips/bcm47xx/gpio.c -@@ -4,83 +4,154 @@ - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> -+ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Parts of this file are based on Atheros AR71XX/AR724X/AR913X GPIO - */ - - #include <linux/export.h> -+#include <linux/gpio.h> - #include <linux/ssb/ssb.h> --#include <linux/ssb/ssb_driver_chipcommon.h> --#include <linux/ssb/ssb_driver_extif.h> --#include <asm/mach-bcm47xx/bcm47xx.h> --#include <asm/mach-bcm47xx/gpio.h> -+#include <linux/ssb/ssb_embedded.h> -+#include <linux/bcma/bcma.h> -+ -+#include <bcm47xx.h> - --#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES) --static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES); --#else --static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); --#endif - --int gpio_request(unsigned gpio, const char *tag) -+static unsigned long bcm47xx_gpio_count; -+ -+/* low level BCM47xx gpio api */ -+u32 bcm47xx_gpio_in(u32 mask) - { - switch (bcm47xx_bus_type) { - #ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: -- if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && -- ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) -- return -EINVAL; -- -- if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && -- ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) -- return -EINVAL; -- -- if (test_and_set_bit(gpio, gpio_in_use)) -- return -EBUSY; -- -- return 0; -+ return ssb_gpio_in(&bcm47xx_bus.ssb, mask); - #endif - #ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: -- if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) -- return -EINVAL; -- -- if (test_and_set_bit(gpio, gpio_in_use)) -- return -EBUSY; -+ return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, mask); -+#endif -+ } -+ return -EINVAL; -+} -+EXPORT_SYMBOL(bcm47xx_gpio_in); - -- return 0; -+u32 bcm47xx_gpio_out(u32 mask, u32 value) -+{ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ return ssb_gpio_out(&bcm47xx_bus.ssb, mask, value); -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask, -+ value); - #endif - } - return -EINVAL; - } --EXPORT_SYMBOL(gpio_request); -+EXPORT_SYMBOL(bcm47xx_gpio_out); - --void gpio_free(unsigned gpio) -+u32 bcm47xx_gpio_outen(u32 mask, u32 value) - { - switch (bcm47xx_bus_type) { - #ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: -- if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) && -- ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) -- return; -+ return ssb_gpio_outen(&bcm47xx_bus.ssb, mask, value); -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, -+ mask, value); -+#endif -+ } -+ return -EINVAL; -+} -+EXPORT_SYMBOL(bcm47xx_gpio_outen); - -- if (ssb_extif_available(&bcm47xx_bus.ssb.extif) && -- ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) -- return; -+u32 bcm47xx_gpio_control(u32 mask, u32 value) -+{ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ return ssb_gpio_control(&bcm47xx_bus.ssb, mask, value); -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_chipco_gpio_control(&bcm47xx_bus.bcma.bus.drv_cc, -+ mask, value); -+#endif -+ } -+ return -EINVAL; -+} -+EXPORT_SYMBOL(bcm47xx_gpio_control); - -- clear_bit(gpio, gpio_in_use); -- return; -+u32 bcm47xx_gpio_intmask(u32 mask, u32 value) -+{ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ return ssb_gpio_intmask(&bcm47xx_bus.ssb, mask, value); - #endif - #ifdef CONFIG_BCM47XX_BCMA - case BCM47XX_BUS_TYPE_BCMA: -- if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) -- return; -+ return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc, -+ mask, value); -+#endif -+ } -+ return -EINVAL; -+} -+EXPORT_SYMBOL(bcm47xx_gpio_intmask); - -- clear_bit(gpio, gpio_in_use); -- return; -+u32 bcm47xx_gpio_polarity(u32 mask, u32 value) -+{ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ return ssb_gpio_polarity(&bcm47xx_bus.ssb, mask, value); -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc, -+ mask, value); - #endif - } -+ return -EINVAL; -+} -+EXPORT_SYMBOL(bcm47xx_gpio_polarity); -+ -+ -+static int bcm47xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -+{ -+ return bcm47xx_gpio_in(1 << gpio); -+} -+ -+static void bcm47xx_gpio_set_value(struct gpio_chip *chip, -+ unsigned gpio, int value) -+{ -+ bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0); -+} -+ -+static int bcm47xx_gpio_direction_input(struct gpio_chip *chip, -+ unsigned gpio) -+{ -+ bcm47xx_gpio_outen(1 << gpio, 0); -+ return 0; -+} -+ -+static int bcm47xx_gpio_direction_output(struct gpio_chip *chip, -+ unsigned gpio, int value) -+{ -+ /* first set the gpio out value */ -+ bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0); -+ /* then set the gpio mode */ -+ bcm47xx_gpio_outen(1 << gpio, 1 << gpio); -+ return 0; - } --EXPORT_SYMBOL(gpio_free); - --int gpio_to_irq(unsigned gpio) -+static int bcm47xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) - { - switch (bcm47xx_bus_type) { - #ifdef CONFIG_BCM47XX_SSB -@@ -99,4 +170,55 @@ int gpio_to_irq(unsigned gpio) - } - return -EINVAL; - } --EXPORT_SYMBOL_GPL(gpio_to_irq); -+ -+static struct gpio_chip bcm47xx_gpio_chip = { -+ .label = "bcm47xx", -+ .get = bcm47xx_gpio_get_value, -+ .set = bcm47xx_gpio_set_value, -+ .direction_input = bcm47xx_gpio_direction_input, -+ .direction_output = bcm47xx_gpio_direction_output, -+ .to_irq = bcm47xx_gpio_to_irq, -+ .base = 0, -+}; -+ -+void __init bcm47xx_gpio_init(void) -+{ -+ int err; -+ -+ switch (bcm47xx_bus_type) { -+#ifdef CONFIG_BCM47XX_SSB -+ case BCM47XX_BUS_TYPE_SSB: -+ bcm47xx_gpio_count = ssb_gpio_count(&bcm47xx_bus.ssb); -+ break; -+#endif -+#ifdef CONFIG_BCM47XX_BCMA -+ case BCM47XX_BUS_TYPE_BCMA: -+ bcm47xx_gpio_count = bcma_chipco_gpio_count(); -+ break; -+#endif -+ } -+ -+ bcm47xx_gpio_chip.ngpio = bcm47xx_gpio_count; -+ -+ err = gpiochip_add(&bcm47xx_gpio_chip); -+ if (err) -+ panic("cannot add BCM47xx GPIO chip, error=%d", err); -+} -+ -+int gpio_get_value(unsigned gpio) -+{ -+ if (gpio < bcm47xx_gpio_count) -+ return bcm47xx_gpio_in(1 << gpio); -+ -+ return __gpio_get_value(gpio); -+} -+EXPORT_SYMBOL(gpio_get_value); -+ -+void gpio_set_value(unsigned gpio, int value) -+{ -+ if (gpio < bcm47xx_gpio_count) -+ bcm47xx_gpio_out(1 << gpio, value ? 1 << gpio : 0); -+ else -+ __gpio_set_value(gpio, value); -+} -+EXPORT_SYMBOL(gpio_set_value); ---- a/arch/mips/bcm47xx/setup.c -+++ b/arch/mips/bcm47xx/setup.c -@@ -252,6 +252,8 @@ void __init plat_mem_setup(void) - _machine_restart = bcm47xx_machine_restart; - _machine_halt = bcm47xx_machine_halt; - pm_power_off = bcm47xx_machine_halt; -+ -+ bcm47xx_gpio_init(); - } - - static int __init bcm47xx_register_bus_complete(void) ---- a/arch/mips/bcm47xx/wgt634u.c -+++ b/arch/mips/bcm47xx/wgt634u.c -@@ -133,6 +133,7 @@ static int __init wgt634u_init(void) - * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx. - */ - u8 *et0mac; -+ int err; - - if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB) - return -ENODEV; -@@ -146,6 +147,12 @@ static int __init wgt634u_init(void) - - printk(KERN_INFO "WGT634U machine detected.\n"); - -+ err = gpio_request(WGT634U_GPIO_RESET, "reset-buton"); -+ if (err) { -+ printk(KERN_INFO "Can not register gpio for reset button\n"); -+ return 0; -+ } -+ - if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET), - gpio_interrupt, IRQF_SHARED, - "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) { ---- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h -+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h -@@ -56,4 +56,6 @@ void bcm47xx_fill_bcma_boardinfo(struct - const char *prefix); - #endif - -+void bcm47xx_gpio_init(void); -+ - #endif /* __ASM_BCM47XX_H */ ---- a/arch/mips/include/asm/mach-bcm47xx/gpio.h -+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h -@@ -4,152 +4,42 @@ - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> -+ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> - */ - - #ifndef __BCM47XX_GPIO_H - #define __BCM47XX_GPIO_H - --#include <linux/ssb/ssb_embedded.h> --#include <linux/bcma/bcma.h> --#include <asm/mach-bcm47xx/bcm47xx.h> -- --#define BCM47XX_EXTIF_GPIO_LINES 5 --#define BCM47XX_CHIPCO_GPIO_LINES 16 -- --extern int gpio_request(unsigned gpio, const char *label); --extern void gpio_free(unsigned gpio); --extern int gpio_to_irq(unsigned gpio); -- --static inline int gpio_get_value(unsigned gpio) --{ -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio); --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, -- 1 << gpio); --#endif -- } -- return -EINVAL; --} -- --#define gpio_get_value_cansleep gpio_get_value -- --static inline void gpio_set_value(unsigned gpio, int value) --{ -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, -- value ? 1 << gpio : 0); -- return; --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, -- value ? 1 << gpio : 0); -- return; --#endif -- } --} -- --#define gpio_set_value_cansleep gpio_set_value -- --static inline int gpio_cansleep(unsigned gpio) --{ -- return 0; --} -- --static inline int gpio_is_valid(unsigned gpio) --{ -- return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES); --} -+#define ARCH_NR_GPIOS 64 -+#include <asm-generic/gpio.h> - -+/* low level BCM47xx gpio api */ -+u32 bcm47xx_gpio_in(u32 mask); -+u32 bcm47xx_gpio_out(u32 mask, u32 value); -+u32 bcm47xx_gpio_outen(u32 mask, u32 value); -+u32 bcm47xx_gpio_control(u32 mask, u32 value); -+u32 bcm47xx_gpio_intmask(u32 mask, u32 value); -+u32 bcm47xx_gpio_polarity(u32 mask, u32 value); - --static inline int gpio_direction_input(unsigned gpio) --{ -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0); -- return 0; --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, -- 0); -- return 0; --#endif -- } -- return -EINVAL; --} -+int gpio_get_value(unsigned gpio); -+void gpio_set_value(unsigned gpio, int value); - --static inline int gpio_direction_output(unsigned gpio, int value) -+static inline void gpio_intmask(unsigned gpio, int value) - { -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- /* first set the gpio out value */ -- ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio, -- value ? 1 << gpio : 0); -- /* then set the gpio mode */ -- ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio); -- return 0; --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- /* first set the gpio out value */ -- bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, -- value ? 1 << gpio : 0); -- /* then set the gpio mode */ -- bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio, -- 1 << gpio); -- return 0; --#endif -- } -- return -EINVAL; -+ bcm47xx_gpio_intmask(1 << gpio, value ? 1 << gpio : 0); - } - --static inline int gpio_intmask(unsigned gpio, int value) -+static inline void gpio_polarity(unsigned gpio, int value) - { -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio, -- value ? 1 << gpio : 0); -- return 0; --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc, -- 1 << gpio, value ? 1 << gpio : 0); -- return 0; --#endif -- } -- return -EINVAL; -+ bcm47xx_gpio_polarity(1 << gpio, value ? 1 << gpio : 0); - } - --static inline int gpio_polarity(unsigned gpio, int value) -+static inline int irq_to_gpio(int gpio) - { -- switch (bcm47xx_bus_type) { --#ifdef CONFIG_BCM47XX_SSB -- case BCM47XX_BUS_TYPE_SSB: -- ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio, -- value ? 1 << gpio : 0); -- return 0; --#endif --#ifdef CONFIG_BCM47XX_BCMA -- case BCM47XX_BUS_TYPE_BCMA: -- bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc, -- 1 << gpio, value ? 1 << gpio : 0); -- return 0; --#endif -- } - return -EINVAL; - } - -+#define gpio_cansleep __gpio_cansleep -+#define gpio_to_irq __gpio_to_irq - - #endif /* __BCM47XX_GPIO_H */ |