diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/patches/ezx-bp.patch')
| -rwxr-xr-x | packages/linux/linux-ezx-2.6.21/patches/ezx-bp.patch | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/patches/ezx-bp.patch b/packages/linux/linux-ezx-2.6.21/patches/ezx-bp.patch deleted file mode 100755 index 8e8abcb738..0000000000 --- a/packages/linux/linux-ezx-2.6.21/patches/ezx-bp.patch +++ /dev/null @@ -1,338 +0,0 @@ -Index: linux-2.6.21/arch/arm/mach-pxa/ezx.c -=================================================================== ---- linux-2.6.21.orig/arch/arm/mach-pxa/ezx.c 2007-06-29 01:07:18.000000000 -0300 -+++ linux-2.6.21/arch/arm/mach-pxa/ezx.c 2007-08-16 15:52:21.000000000 -0300 -@@ -86,8 +86,40 @@ - .init = ezx_ohci_init, - }; - -+/* BP */ -+static struct resource ezxbp_resources[] = { -+ [0] = { -+ .start = IRQ_GPIO(GPIO_BP_RDY), -+ .end = IRQ_GPIO(GPIO_BP_RDY), -+ .flags = IORESOURCE_IRQ, -+ }, -+ [1] = { -+ .start = IRQ_GPIO(GPIO_BB_WDI2), -+ .end = IRQ_GPIO(GPIO_BB_WDI2), -+ .flags = IORESOURCE_IRQ, -+ }, -+ [2] = { -+ .start = IRQ_GPIO(GPIO_BB_WDI), -+ .end = IRQ_GPIO(GPIO_BB_WDI), -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static struct platform_device ezxbp_device = { -+ .name = "ezx-bp", -+ .dev = { -+ //.parent = -+ //.platform_data = -+ }, -+ .id = -1, -+ .num_resources = ARRAY_SIZE(ezxbp_resources), -+ .resource = ezxbp_resources, -+}; -+ -+ - - static struct platform_device *devices[] __initdata = { -+ &ezxbp_device, - }; - - static int __init ezx_init(void) -Index: linux-2.6.21/arch/arm/mach-pxa/Kconfig -=================================================================== ---- linux-2.6.21.orig/arch/arm/mach-pxa/Kconfig 2007-06-29 01:07:18.000000000 -0300 -+++ linux-2.6.21/arch/arm/mach-pxa/Kconfig 2007-08-16 15:52:20.000000000 -0300 -@@ -102,6 +102,9 @@ - - endchoice - -+config EZX_BP -+ bool "BP Control code for EZX Platform" -+ - endif - - endmenu -Index: linux-2.6.21/arch/arm/mach-pxa/ezx-bp.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.21/arch/arm/mach-pxa/ezx-bp.c 2007-08-16 15:52:43.000000000 -0300 -@@ -0,0 +1,262 @@ -+/* -+ * BP handshake code for Motorola EZX phones -+ * -+ * Copyright (c) 2007 Daniel Ribeiro <drwyrm@gmail.com> -+ * -+ * Based on Motorola's a780.c Copyright (c) 2003-2005 Motorola -+ * -+ * 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/kernel.h> -+#include <linux/interrupt.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <asm/mach/irq.h> -+#include <asm/arch/hardware.h> -+#include <asm/arch/pxa-regs.h> -+ -+#include <asm/arch/ezx.h> -+ -+/* BP Handshake */ -+#define FIRST_STEP 2 -+#define LAST_STEP 3 -+#define BP_RDY_TIMEOUT 0x000c0000 -+ -+#if 1 -+#define DEBUGP(x, args ...) printk(x, ##args) -+#else -+#define DEBUGP(x, args ...) -+#endif -+ -+struct bp { -+ int irq_wdi; -+ int irq_wdi2; -+ int irq_rdy; -+}; -+ -+/* check power down condition */ -+static inline void check_power_off(void) -+{ -+ if (pxa_gpio_get_value(GPIO_BB_WDI2) == 0) { -+ DEBUGP("BP request poweroff!\n"); -+ /* -+ * It is correct to power off here, the following line is -+ * commented out because e680 lowers WDI2 when BP is in -+ * flash mode, otherwise WDI2 is used to detect low -+ * battery. You can safely uncomment this line if you are -+ * using this kernel with BP in normal mode. -+ */ -+#ifndef CONFIG_PXA_EZX_E680 -+ pm_power_off(); -+#endif -+ } -+} -+ -+static int step = FIRST_STEP; -+ -+inline int bp_handshake_passed(void) -+{ -+ return (step > LAST_STEP); -+} -+EXPORT_SYMBOL(bp_handshake_passed); -+ -+void handshake(void) -+{ -+ /* step 1: check MCU_INT_SW or BP_RDY is low (now it is checked in apboot) */ -+ DEBUGP("bp handshake entered!\n"); -+ if (step == 1) { -+ int timeout = BP_RDY_TIMEOUT; -+ -+ /* config MCU_INT_SW, BP_RDY as input */ -+ pxa_gpio_mode(GPIO_MCU_INT_SW | GPIO_IN); -+ pxa_gpio_mode(GPIO_BP_RDY | GPIO_IN); -+ -+ while (timeout--) { -+ if (pxa_gpio_get_value(GPIO_MCU_INT_SW) == 0 -+ || pxa_gpio_get_value(GPIO_BP_RDY) == 0) { -+ step ++; -+ break; -+ } -+ -+ check_power_off(); -+ } -+ DEBUGP("ezx-bp: handshake step 1\n"); -+ } -+ -+ /* step 2: wait BP_RDY is low */ -+ if (step == 2) { -+ if (pxa_gpio_get_value(GPIO_BP_RDY) == 0) { -+ /* config MCU_INT_SW as output */ -+ pxa_gpio_mode(GPIO_MCU_INT_SW | GPIO_OUT); -+ pxa_gpio_set_value(GPIO_MCU_INT_SW, 0); -+ -+ step ++; -+ DEBUGP("ezx-bp: handshake step 2\n"); -+ } -+ } -+ -+ /* step 3: wait BP_RDY is high */ -+ else if (step == 3) { -+ if (pxa_gpio_get_value(GPIO_BP_RDY)) { -+ step ++; -+ //FIXME delay_bklight(); -+ pxa_gpio_set_value(GPIO_MCU_INT_SW, 1); -+ printk(KERN_NOTICE "ezx-bp: handshake passed\n"); -+ } -+ } -+} -+ -+irqreturn_t bp_wdi_handler(int irq, void *dev_id) -+{ -+ DEBUGP("BP Lowered WDI line. This is not good :(\n"); -+ /* -+ * this means that BP is not responsive. -+ * we could try to reset BP and then handshake again -+ * but i doubt its possible to bring it up again. -+ */ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t bp_rdy_handler(int irq, void *dev_id) -+{ -+ struct bp *bp = dev_id; -+ DEBUGP("BP rdy irq\n"); -+ if (!bp_handshake_passed()) { -+ handshake(); -+ if (bp_handshake_passed()) { -+ /* FIXME: (test) try to not disable irq_wdi2 and drain battery */ -+ disable_irq(bp->irq_wdi2); -+ -+ /* set bp_rdy handle for usb ipc */ -+ set_irq_type(bp->irq_rdy, IRQT_FALLING); -+ } -+ } -+#ifdef CONFIG_TS0710_MUX_USB -+ else usb_send_readurb(); -+#endif -+ return IRQ_HANDLED; -+} -+ -+/* BP request for poweroff */ -+static irqreturn_t bp_wdi2_handler(int irq, void *dev_id) -+{ -+ DEBUGP("BP request poweroff!\n"); -+ /* same case as check_power_off() */ -+#ifndef CONFIG_PXA_EZX_E680 -+ pm_power_off(); -+#endif -+ return IRQ_HANDLED; -+} -+ -+static int __init ezxbp_probe(struct platform_device *dev) -+{ -+ int ret; -+ struct bp *bp; -+ -+ bp = kzalloc(sizeof(*bp), GFP_KERNEL); -+ if (!bp) -+ return -ENOMEM; -+ -+ bp->irq_rdy = platform_get_irq(dev, 0); -+ if(bp->irq_rdy < 0) { -+ ret = bp->irq_rdy; -+ goto fail; -+ } -+ -+ bp->irq_wdi2 = platform_get_irq(dev, 1); -+ if(bp->irq_wdi2 < 0) { -+ ret = bp->irq_wdi2; -+ goto fail; -+ } -+ -+ bp->irq_wdi = platform_get_irq(dev, 2); -+ if(bp->irq_wdi < 0) { -+ ret = bp->irq_wdi; -+ goto fail; -+ } -+ -+ set_irq_type(bp->irq_wdi, IRQT_FALLING); -+ request_irq(bp->irq_wdi, bp_wdi_handler, SA_INTERRUPT, -+ "bp wdi", bp); -+ -+ set_irq_type(bp->irq_rdy, IRQT_BOTHEDGE); -+ request_irq(bp->irq_rdy, bp_rdy_handler, SA_INTERRUPT, -+ "bp rdy", bp); -+ -+ set_irq_type(bp->irq_wdi2, IRQT_FALLING); -+ request_irq(bp->irq_wdi2, bp_wdi2_handler, SA_INTERRUPT, -+ "bp wdi2", bp); -+ -+ /* turn on BP */ -+ pxa_gpio_mode(GPIO_BB_RESET|GPIO_OUT); -+ pxa_gpio_set_value(GPIO_BB_RESET, 1); -+ -+ check_power_off(); -+ handshake(); -+ -+ return 0; -+fail: -+ kfree(bp); -+ return ret; -+} -+ -+static int ezxbp_remove(struct platform_device *dev) -+{ -+ struct bp *bp = platform_get_drvdata(dev); -+ -+ free_irq(bp->irq_wdi, bp); -+ free_irq(bp->irq_wdi2, bp); -+ free_irq(bp->irq_rdy, bp); -+ kfree(bp); -+ -+ return 0; -+} -+ -+static int ezxbp_suspend(struct platform_device *dev, pm_message_t state) -+{ -+ DEBUGP("bp suspend!\n"); -+// pxa_gpio_set_value(GPIO_MCU_INT_SW, 0); -+ return 0; -+} -+ -+static int ezxbp_resume(struct platform_device *dev) -+{ -+ DEBUGP("bp resume!\n"); -+// pxa_gpio_set_value(GPIO_MCU_INT_SW, 1); -+ return 0; -+} -+static struct platform_driver ezxbp_driver = { -+ .probe = ezxbp_probe, -+ .remove = ezxbp_remove, -+#warning FIXME: missing suspend/resume support -+ .suspend = ezxbp_suspend, -+ .resume = ezxbp_resume, -+ .driver = { -+ .name = "ezx-bp", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+int __init ezxbp_init(void) -+{ -+ return platform_driver_register(&ezxbp_driver); -+} -+ -+void ezxbp_fini(void) -+{ -+ return platform_driver_unregister(&ezxbp_driver); -+} -+ -+module_init(ezxbp_init); -+module_exit(ezxbp_fini); -+ -+MODULE_DESCRIPTION("Motorola BP Control driver"); -+MODULE_AUTHOR("Daniel Ribeiro <drwyrm@gmail.com>"); -+MODULE_LICENSE("GPL"); -+ -Index: linux-2.6.21/arch/arm/mach-pxa/Makefile -=================================================================== ---- linux-2.6.21.orig/arch/arm/mach-pxa/Makefile 2007-06-29 01:07:18.000000000 -0300 -+++ linux-2.6.21/arch/arm/mach-pxa/Makefile 2007-08-16 15:52:20.000000000 -0300 -@@ -24,6 +24,7 @@ - obj-$(CONFIG_PXA_EZX_E2) += ezx-e2.o - obj-$(CONFIG_PXA_EZX_A1200) += ezx-a1200.o - obj-$(CONFIG_PXA_EZX_E6) += ezx-e6.o -+obj-$(CONFIG_EZX_BP) += ezx-bp.o - - # Support for blinky lights - led-y := leds.o |