summaryrefslogtreecommitdiff
path: root/packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch')
-rw-r--r--packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch351
1 files changed, 0 insertions, 351 deletions
diff --git a/packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch b/packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch
deleted file mode 100644
index e45cb4bd22..0000000000
--- a/packages/linux/linux-ezx-2.6.24/patches/ezx-bp.patch
+++ /dev/null
@@ -1,351 +0,0 @@
-This patch adds support for the handshake with the BP (baseband processor)
-of the Motorola EZX smartphones.
-
-Signed-off-by: Daniel Ribeiro <wyrm@openezx.org>
-
-Index: linux-2.6.24/arch/arm/mach-pxa/ezx.c
-===================================================================
---- linux-2.6.24.orig/arch/arm/mach-pxa/ezx.c
-+++ linux-2.6.24/arch/arm/mach-pxa/ezx.c
-@@ -19,6 +19,7 @@
- #include <asm/arch/pxa-regs.h>
- #include <asm/arch/ohci.h>
- #include <asm/arch/ezx.h>
-+#include <asm/arch/ezx-bp.h>
-
- #include "generic.h"
-
-@@ -86,8 +87,25 @@
- .init = ezx_ohci_init,
- };
-
-+/* BP */
-+static struct ezxbp_config ezxbp_data = {
-+ .gpio_reset = GPIO_BB_RESET,
-+ .gpio_wdi = GPIO_BB_WDI,
-+ .gpio_wdi2 = GPIO_BB_WDI2,
-+ .gpio_rdy = GPIO_BP_RDY,
-+ .gpio_mcu_int_sw = GPIO_MCU_INT_SW,
-+};
-+
-+static struct platform_device ezxbp_device = {
-+ .name = "ezx-bp",
-+ .dev = {
-+ .platform_data = &ezxbp_data,
-+ },
-+ .id = -1,
-+};
-
- static struct platform_device *devices[] __initdata = {
-+ &ezxbp_device,
- };
-
- static int __init ezx_init(void)
-Index: linux-2.6.24/arch/arm/mach-pxa/Kconfig
-===================================================================
---- linux-2.6.24.orig/arch/arm/mach-pxa/Kconfig
-+++ linux-2.6.24/arch/arm/mach-pxa/Kconfig
-@@ -133,6 +133,12 @@
-
- endchoice
-
-+config EZX_BP
-+ bool "Baseband Processor control for EZX platform"
-+ help
-+ This enables control code for the BP (baseband processor) found in
-+ Motorola's EZX smartphone platform.
-+
- endif
-
- endmenu
-Index: linux-2.6.24/arch/arm/mach-pxa/ezx-bp.c
-===================================================================
---- /dev/null
-+++ linux-2.6.24/arch/arm/mach-pxa/ezx-bp.c
-@@ -0,0 +1,261 @@
-+/*
-+ * BP handshake code for Motorola EZX phones
-+ *
-+ * Copyright (c) 2007 Daniel Ribeiro <wyrm@openezx.org>
-+ *
-+ * 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>
-+#include <asm/arch/ezx-bp.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
-+
-+extern void usb_send_readurb(void);
-+
-+static struct ezxbp_config *bp;
-+
-+/* check power down condition */
-+static inline void check_power_off(void)
-+{
-+ if (pxa_gpio_get_value(bp->gpio_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.
-+ */
-+#if 0 /* some versions of BP firmware doesnt honor this */
-+ pm_power_off();
-+#endif
-+ }
-+}
-+
-+static int step = FIRST_STEP;
-+
-+inline int bp_handshake_passed(void)
-+{
-+ return (step > LAST_STEP);
-+}
-+EXPORT_SYMBOL_GPL(bp_handshake_passed);
-+
-+static 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(bp->gpio_mcu_int_sw | GPIO_IN);
-+ pxa_gpio_mode(bp->gpio_rdy | GPIO_IN);
-+
-+ while (timeout--) {
-+ if (pxa_gpio_get_value(bp->gpio_mcu_int_sw) == 0
-+ || pxa_gpio_get_value(bp->gpio_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(bp->gpio_rdy) == 0) {
-+ /* config MCU_INT_SW as output */
-+ pxa_gpio_mode(bp->gpio_mcu_int_sw | GPIO_OUT);
-+ pxa_gpio_set_value(bp->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(bp->gpio_rdy)) {
-+ step++;
-+ /* FIXME delay_bklight(); */
-+ pxa_gpio_set_value(bp->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(IRQ_GPIO(bp->gpio_wdi2));
-+
-+ /* set bp_rdy handle for usb ipc */
-+ set_irq_type(IRQ_GPIO(bp->gpio_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 *pdev)
-+{
-+ int ret;
-+ bp = pdev->dev.platform_data;
-+
-+// 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(IRQ_GPIO(bp->gpio_wdi), IRQT_FALLING);
-+ request_irq(IRQ_GPIO(bp->gpio_wdi), bp_wdi_handler, IRQF_DISABLED,
-+ "bp wdi", bp);
-+
-+ set_irq_type(IRQ_GPIO(bp->gpio_rdy), IRQT_BOTHEDGE);
-+ request_irq(IRQ_GPIO(bp->gpio_rdy), bp_rdy_handler, IRQF_DISABLED,
-+ "bp rdy", bp);
-+
-+ set_irq_type(IRQ_GPIO(bp->gpio_wdi2), IRQT_FALLING);
-+ request_irq(IRQ_GPIO(bp->gpio_wdi2), bp_wdi2_handler, IRQF_DISABLED,
-+ "bp wdi2", bp);
-+
-+ /* turn on BP */
-+ pxa_gpio_mode(bp->gpio_reset|GPIO_OUT);
-+ pxa_gpio_set_value(bp->gpio_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(IRQ_GPIO(bp->gpio_wdi), bp);
-+ free_irq(IRQ_GPIO(bp->gpio_wdi2), bp);
-+ free_irq(IRQ_GPIO(bp->gpio_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(bp->gpio_mcu_int_sw, 0); */
-+ return 0;
-+}
-+
-+static int ezxbp_resume(struct platform_device *dev)
-+{
-+ DEBUGP("bp resume!\n");
-+/* pxa_gpio_set_value(bp->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 <wyrm@openezx.org>");
-+MODULE_LICENSE("GPL");
-+
-Index: linux-2.6.24/arch/arm/mach-pxa/Makefile
-===================================================================
---- linux-2.6.24.orig/arch/arm/mach-pxa/Makefile
-+++ linux-2.6.24/arch/arm/mach-pxa/Makefile
-@@ -36,6 +36,7 @@
- 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
-Index: linux-2.6.24/include/asm-arm/arch-pxa/ezx-bp.h
-===================================================================
---- /dev/null
-+++ linux-2.6.24/include/asm-arm/arch-pxa/ezx-bp.h
-@@ -0,0 +1,8 @@
-+struct ezxbp_config {
-+ /* gpios for handshake */
-+ int gpio_reset;
-+ int gpio_wdi;
-+ int gpio_wdi2;
-+ int gpio_rdy;
-+ int gpio_mcu_int_sw;
-+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 19:03:40 +0000