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authorLinus Torvalds <torvalds@g5.osdl.org>2006-07-02 15:04:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-02 15:04:12 -0700
commita8c4c20dfa8b28a3c99e33c639d9c2ea5657741e (patch)
tree887b64d29b5a46d9ab2ca1267d8a2f05b5845561 /arch/arm/mach-pxa/leds-trizeps4.c
parent168d04b3b4de7723eb73b3cffc9cb75224e0f393 (diff)
parent2dc7667b9d0674db6572723356fe3857031101a4 (diff)
downloadblackbird-obmc-linux-a8c4c20dfa8b28a3c99e33c639d9c2ea5657741e.tar.gz
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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.c134
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);
+}
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