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authorKoen Kooi <koen@openembedded.org>2008-01-28 11:27:21 +0000
committerKoen Kooi <koen@openembedded.org>2008-01-28 11:27:21 +0000
commit43f3297970d794c9720998ea07ad45d57b371b71 (patch)
tree2ebc3bffa3a50477a83cbf3b9a2b14afe4638e58 /packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch
parent85b5683120b7aa53f10639b4356ead1f1c0d8d47 (diff)
linux-ezx: add 2.6.24
Diffstat (limited to 'packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch')
-rw-r--r--packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch295
1 files changed, 295 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch b/packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch
new file mode 100644
index 0000000000..b7247b881c
--- /dev/null
+++ b/packages/linux/linux-ezx-2.6.24/patches/ezx-eoc.patch
@@ -0,0 +1,295 @@
+Index: linux-2.6.24/arch/arm/mach-pxa/ezx-eoc.c
+===================================================================
+--- /dev/null
++++ linux-2.6.24/arch/arm/mach-pxa/ezx-eoc.c
+@@ -0,0 +1,261 @@
++/*
++ * EZX EOC Driver for Motorola EZX phones
++ *
++ * Copyright (C) 2007 Alex Zhang <celeber2@gmail.com>
++ *
++ * 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/init.h>
++#include <linux/i2c.h>
++#include <linux/platform_device.h>
++
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/arch/ezx.h>
++#include <asm/arch/udc.h>
++
++#if 1
++#define EOC_DBG printk
++#else
++#define EOC_DBG(x, args...)
++#endif
++
++#define REG_INT_STATUS 32
++#define REG_INT_MASK 33
++#define REG_INT_SENSE 34
++#define REG_POWER_CONTROL_0 35
++#define REG_POWER_CONTROL_1 36
++#define REG_CONN_CONTROL 37
++
++#define EOC_REG_ADDR_SIZE 1
++#define EOC_REG_DATA_SIZE 3
++#define EOC_FUNC_NOTHING 0
++#define EOC_FUNC_USB_NET 1
++
++static const char eoc_i2c_driver_name[] = "ezx-eoc";
++static int eoc_func = EOC_FUNC_USB_NET;
++static struct pxa2xx_udc_mach_info ezx_udc_info;
++
++static int ezx_eoc_attach_adapter(struct i2c_adapter *adapter);
++static int ezx_eoc_detach_client(struct i2c_client *client);
++
++static struct i2c_client *eoc_i2c_client = NULL;
++
++static struct i2c_driver eoc_i2c_driver = {
++ .driver = {
++ .name = (char *)eoc_i2c_driver_name,
++ },
++ .attach_adapter = ezx_eoc_attach_adapter,
++ .detach_client = ezx_eoc_detach_client,
++};
++
++int eoc_reg_read(int reg, unsigned int *reg_value)
++{
++ unsigned char reg_num = reg;
++ unsigned char value[EOC_REG_DATA_SIZE];
++ int retval;
++
++ struct i2c_msg msgs[2] =
++ {
++ { eoc_i2c_client->addr, 0, EOC_REG_ADDR_SIZE, &reg_num },
++ { eoc_i2c_client->addr, I2C_M_RD, EOC_REG_DATA_SIZE, value }
++ };
++
++ /* transfer message to client */
++ retval = i2c_transfer(eoc_i2c_client->adapter, msgs, 2);
++ if (retval < 0)
++ return retval;
++
++ *reg_value = (value[2] << 0);
++ *reg_value |= (value[1] << 8);
++ *reg_value |= (value[0] << 16);
++ return 0;
++}
++
++int eoc_reg_write(int reg, unsigned int reg_value)
++{
++ unsigned char value[EOC_REG_ADDR_SIZE + EOC_REG_DATA_SIZE];
++ int retval;
++
++ /* Copy the data into a buffer into the correct format */
++ value[0] = reg;
++ value[1] = (reg_value >> 16) & 0xFF;
++ value[2] = (reg_value >> 8) & 0xFF;
++ value[3] = (reg_value >> 0) & 0xFF;
++
++ /* Write the data to the EOC */
++ retval = i2c_master_send (eoc_i2c_client, value, EOC_REG_ADDR_SIZE + EOC_REG_DATA_SIZE);
++ if (retval < 0)
++ return retval;
++ return 0;
++}
++
++static void eoc_switch_to_usb(void)
++{
++ EOC_DBG("EOC: Switching to USB\n");
++ pxa_gpio_mode(GPIO34_USB_P2_2_MD);
++ pxa_gpio_mode(GPIO35_USB_P2_1_MD);
++ pxa_gpio_mode(GPIO36_USB_P2_4_MD);
++ pxa_gpio_mode(GPIO39_USB_P2_6_MD);
++ pxa_gpio_mode(GPIO40_USB_P2_5_MD);
++ pxa_gpio_mode(GPIO53_USB_P2_3_MD);
++ UP2OCR = 0x02000000;
++ /* FIXME change eoc bits to USB */
++
++}
++
++static void eoc_switch_to_nothing(void)
++{
++ EOC_DBG("EOC: Switching do disconnected\n");
++ pxa_gpio_mode(GPIO34_TXENB | GPIO_OUT);
++ set_GPIO(GPIO34_TXENB);
++ pxa_gpio_mode(GPIO35_XRXD | GPIO_IN);
++ pxa_gpio_mode(GPIO36_VMOUT | GPIO_IN);
++ pxa_gpio_mode(GPIO39_VPOUT | GPIO_IN);
++ pxa_gpio_mode(GPIO40_VPIN | GPIO_IN);
++ pxa_gpio_mode(GPIO53_VMIN | GPIO_IN);
++ /* FIXME disconnect mini usb port */
++}
++
++static void eoc_switch_to_default(void)
++{
++ switch (eoc_func) {
++ case EOC_FUNC_USB_NET:
++ eoc_switch_to_usb();
++ break;
++ case EOC_FUNC_NOTHING:
++ eoc_switch_to_nothing();
++ break;
++ }
++}
++
++static int ezx_eoc_attach_adapter(struct i2c_adapter *adapter)
++{
++ int err = 0;
++ EOC_DBG(">>>>attach adapter enter\n");
++
++ if (eoc_i2c_client != NULL) {
++ EOC_DBG(">>>>already loaded!!!\n");
++ return 0;
++ }
++
++ if (!(eoc_i2c_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL)))
++ return -ENOMEM;
++
++ eoc_i2c_client->addr = 0x17;
++ eoc_i2c_client->adapter = adapter;
++ eoc_i2c_client->driver = &eoc_i2c_driver;
++ eoc_i2c_client->flags = 0;
++ strlcpy(eoc_i2c_client->name, eoc_i2c_driver_name, I2C_NAME_SIZE);
++
++ if ((err = i2c_attach_client(eoc_i2c_client))) {
++ kfree(eoc_i2c_client);
++ eoc_i2c_client = NULL;
++ return err;
++ }
++ eoc_reg_write(REG_INT_MASK, 0x0000FEF);
++ eoc_reg_write(REG_POWER_CONTROL_0, 0x0000C00);
++ eoc_reg_write(REG_POWER_CONTROL_1, 0x000000C);
++ eoc_reg_write(REG_CONN_CONTROL,0x0021044);
++
++ eoc_switch_to_default();
++ EOC_DBG(">>>>attach adapter exit\n");
++ return 0;
++
++}
++
++static int ezx_eoc_detach_client(struct i2c_client *client)
++{
++ return i2c_detach_client(client);
++}
++
++static int __init ezx_eoc_probe(struct platform_device *dev)
++{
++ int ret;
++
++ ret = i2c_add_driver(&eoc_i2c_driver);
++ if (ret != 0)
++ return -EINVAL;
++
++ pxa_set_udc_info(&ezx_udc_info);
++
++ return 0;
++}
++
++static int ezx_eoc_remove(struct platform_device *dev)
++{
++ i2c_del_driver(&eoc_i2c_driver);
++ return 0;
++}
++
++static int ezx_eoc_suspend(struct platform_device *dev, pm_message_t state)
++{
++ eoc_switch_to_nothing();
++ return 0;
++}
++
++static int ezx_eoc_resume(struct platform_device *dev)
++{
++ eoc_switch_to_default();
++ return 0;
++}
++
++/* USB Device Controller */
++static int udc_connected_status;
++static void ezx_udc_command(int cmd)
++{
++ switch (cmd) {
++ case PXA2XX_UDC_CMD_DISCONNECT:
++ printk(KERN_NOTICE "USB cmd disconnect\n");
++// ezx_pcap_bit_set(PCAP_BIT_BUSCTRL_USB_PU,0);
++ udc_connected_status = 0;
++ break;
++ case PXA2XX_UDC_CMD_CONNECT:
++ printk(KERN_NOTICE "USB cmd connect\n");
++// ezx_pcap_bit_set(PCAP_BIT_BUSCTRL_USB_PU,1);
++ udc_connected_status = 1;
++ break;
++ }
++}
++
++static int ezx_udc_is_connected(void)
++{
++ return udc_connected_status;
++}
++
++static struct pxa2xx_udc_mach_info ezx_udc_info __initdata = {
++ .udc_is_connected = ezx_udc_is_connected,
++ .udc_command = ezx_udc_command,
++};
++
++static struct platform_driver ezx_eoc_driver = {
++ .probe = ezx_eoc_probe,
++ .remove = ezx_eoc_remove,
++ .suspend = ezx_eoc_suspend,
++ .resume = ezx_eoc_resume,
++ .driver = {
++ .name = "ezx-eoc",
++ .owner = THIS_MODULE,
++ },
++};
++
++int __init ezx_eoc_init(void)
++{
++ return platform_driver_register(&ezx_eoc_driver);
++}
++
++void ezx_eoc_exit(void)
++{
++ return platform_driver_unregister(&ezx_eoc_driver);
++}
++
++MODULE_AUTHOR("Alex Zhang <celeber2@gmail.com>");
++MODULE_DESCRIPTION("EZX EOC I2C driver");
++MODULE_LICENSE("GPL");
++
++module_init(ezx_eoc_init);
++module_exit(ezx_eoc_exit);
+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
+@@ -142,6 +142,12 @@
+ config EZX_PCAP
+ bool "PCAP Support"
+
++config EZX_EOC
++ tristate "EOC i2c driver of Motorola EZX phones"
++ depends on I2C && EXPERIMENTAL
++ help
++ EOC i2c driver of Motorola EZX phones
++
+ config EZX_EMU
+ bool "Motorola Enchanced Mini Usb"
+ depends on EZX_PCAP
+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
+@@ -39,6 +39,7 @@
+ obj-$(CONFIG_EZX_BP) += ezx-bp.o
+ obj-$(CONFIG_EZX_PCAP) += ezx-pcap.o
+ obj-$(CONFIG_EZX_EMU) += ezx-emu.o
++obj-$(CONFIG_EZX_EOC) += ezx-eoc.o
+
+ # Support for blinky lights
+ led-y := leds.o