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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-02 15:04:12 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-02 15:04:12 -0700 |
commit | a8c4c20dfa8b28a3c99e33c639d9c2ea5657741e (patch) | |
tree | 887b64d29b5a46d9ab2ca1267d8a2f05b5845561 /arch/arm/mach-pxa/leds-trizeps4.c | |
parent | 168d04b3b4de7723eb73b3cffc9cb75224e0f393 (diff) | |
parent | 2dc7667b9d0674db6572723356fe3857031101a4 (diff) | |
download | blackbird-obmc-linux-a8c4c20dfa8b28a3c99e33c639d9c2ea5657741e.tar.gz blackbird-obmc-linux-a8c4c20dfa8b28a3c99e33c639d9c2ea5657741e.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits)
[ARM] 3541/2: workaround for PXA27x erratum E7
[ARM] nommu: provide a way for correct control register value selection
[ARM] 3705/1: add supersection support to ioremap()
[ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructure
[ARM] 3706/2: ep93xx: add cirrus logic edb9315a support
[ARM] 3704/1: format IOP Kconfig with tabs, create more consistency
[ARM] 3703/1: Add help description for ARCH_EP80219
[ARM] 3678/1: MMC: Make OMAP MMC work
[ARM] 3677/1: OMAP: Update H2 defconfig
[ARM] 3676/1: ARM: OMAP: Fix dmtimers and timer32k to compile on OMAP1
[ARM] Add section support to ioremap
[ARM] Fix sa11x0 SDRAM selection
[ARM] Set bit 4 on section mappings correctly depending on CPU
[ARM] 3666/1: TRIZEPS4 [1/5] core
ARM: OMAP: Multiplexing for 24xx GPMC wait pin monitoring
ARM: OMAP: Fix SRAM to use MT_MEMORY instead of MT_DEVICE
ARM: OMAP: Update dmtimers
ARM: OMAP: Make clock variables static
ARM: OMAP: Fix GPMC compilation when DEBUG is defined
ARM: OMAP: Mux updates for external DMA and GPIO
...
Diffstat (limited to 'arch/arm/mach-pxa/leds-trizeps4.c')
-rw-r--r-- | arch/arm/mach-pxa/leds-trizeps4.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/leds-trizeps4.c b/arch/arm/mach-pxa/leds-trizeps4.c new file mode 100644 index 000000000000..14cfc85e44b5 --- /dev/null +++ b/arch/arm/mach-pxa/leds-trizeps4.c @@ -0,0 +1,134 @@ +/* + * linux/arch/arm/mach-pxa/leds-trizeps4.c + * + * Author: Jürgen Schindele + * Created: 20 02, 2006 + * Copyright: Jürgen Schindele + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/hardware.h> +#include <asm/system.h> +#include <asm/types.h> +#include <asm/leds.h> + +#include <asm/arch/pxa-regs.h> +#include <asm/arch/trizeps4.h> + +#include "leds.h" + +#define LED_STATE_ENABLED 1 +#define LED_STATE_CLAIMED 2 + +#define SYS_BUSY 0x01 +#define HEARTBEAT 0x02 +#define BLINK 0x04 + +static unsigned int led_state; +static unsigned int hw_led_state; + +void trizeps4_leds_event(led_event_t evt) +{ + unsigned long flags; + + local_irq_save(flags); + + switch (evt) { + case led_start: + hw_led_state = 0; + pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */ + pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */ + led_state = LED_STATE_ENABLED; + break; + + case led_stop: + led_state &= ~LED_STATE_ENABLED; + break; + + case led_claim: + led_state |= LED_STATE_CLAIMED; + hw_led_state = 0; + break; + + case led_release: + led_state &= ~LED_STATE_CLAIMED; + hw_led_state = 0; + break; + +#ifdef CONFIG_LEDS_TIMER + case led_timer: + hw_led_state ^= HEARTBEAT; + break; +#endif + +#ifdef CONFIG_LEDS_CPU + case led_idle_start: + hw_led_state &= ~SYS_BUSY; + break; + + case led_idle_end: + hw_led_state |= SYS_BUSY; + break; +#endif + + case led_halted: + break; + + case led_green_on: + hw_led_state |= BLINK; + break; + + case led_green_off: + hw_led_state &= ~BLINK; + break; + + case led_amber_on: + break; + + case led_amber_off: + break; + + case led_red_on: + break; + + case led_red_off: + break; + + default: + break; + } + + if (led_state & LED_STATE_ENABLED) { + switch (hw_led_state) { + case 0: + GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); + GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); + break; + case 1: + GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); + GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); + break; + case 2: + GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); + GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); + break; + case 3: + GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); + GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); + break; + } + } + else { + /* turn all off */ + GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED); + GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED); + } + + local_irq_restore(flags); +} |