diff options
Diffstat (limited to 'drivers/misc/modem_if_u1/modem_modemctl_device_mdm6600.c')
| -rw-r--r-- | drivers/misc/modem_if_u1/modem_modemctl_device_mdm6600.c | 790 |
1 files changed, 0 insertions, 790 deletions
diff --git a/drivers/misc/modem_if_u1/modem_modemctl_device_mdm6600.c b/drivers/misc/modem_if_u1/modem_modemctl_device_mdm6600.c deleted file mode 100644 index e2f6b0b..0000000 --- a/drivers/misc/modem_if_u1/modem_modemctl_device_mdm6600.c +++ /dev/null @@ -1,790 +0,0 @@ -/* /linux/drivers/misc/modem_if/modem_modemctl_device_mdm6600.c - * - * Copyright (C) 2010 Google, Inc. - * Copyright (C) 2010 Samsung Electronics. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/init.h> - -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/wait.h> -#include <linux/sched.h> -#include <linux/platform_device.h> - -#include <linux/platform_data/modem.h> -#include "modem_prj.h" -#include <linux/regulator/consumer.h> - -#include <plat/gpio-cfg.h> - -#if defined(CONFIG_MACH_M0_CTC) -#include <linux/mfd/max77693.h> -#endif - -#if defined(CONFIG_MACH_U1_KOR_LGT) -#include <linux/mfd/max8997.h> - -static int mdm6600_on(struct modem_ctl *mc) -{ - pr_info("[MODEM_IF] mdm6600_on()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_reset_msm || !mc->gpio_cp_on) { - pr_err("[MODEM_IF] no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_pda_active, 0); - gpio_set_value(mc->gpio_cp_reset, 1); - gpio_set_value(mc->gpio_cp_reset_msm, 1); - msleep(30); - gpio_set_value(mc->gpio_cp_on, 1); - msleep(300); - gpio_set_value(mc->gpio_cp_on, 0); - msleep(500); - - gpio_set_value(mc->gpio_pda_active, 1); - - mc->iod->modem_state_changed(mc->iod, STATE_BOOTING); - - return 0; -} - -static int mdm6600_off(struct modem_ctl *mc) -{ - pr_info("[MODEM_IF] mdm6600_off()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_reset_msm || !mc->gpio_cp_on) { - pr_err("[MODEM_IF] no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_cp_on, 0); - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_cp_reset_msm, 0); - - mc->iod->modem_state_changed(mc->iod, STATE_OFFLINE); - - return 0; -} - -static int mdm6600_reset(struct modem_ctl *mc) -{ - int ret; - - pr_info("[MODEM_IF] mdm6600_reset()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_reset_msm || !mc->gpio_cp_on) { - pr_err("[MODEM_IF] no gpio data\n"); - return -ENXIO; - } - - if (system_rev >= 0x05) { - dev_err(mc->dev, "[%s] system_rev: %d\n", __func__, system_rev); - - gpio_set_value(mc->gpio_cp_reset_msm, 0); - msleep(100); /* no spec, confirm later exactly how much time - needed to initialize CP with RESET_PMU_N */ - gpio_set_value(mc->gpio_cp_reset_msm, 1); - msleep(40); /* > 37.2 + 2 msec */ - } else { - dev_err(mc->dev, "[%s] system_rev: %d\n", __func__, system_rev); - - gpio_set_value(mc->gpio_cp_reset, 0); - msleep(500); /* no spec, confirm later exactly how much time - needed to initialize CP with RESET_PMU_N */ - gpio_set_value(mc->gpio_cp_reset, 1); - msleep(40); /* > 37.2 + 2 msec */ - } - - return 0; -} - -static int mdm6600_boot_on(struct modem_ctl *mc) -{ - pr_info("[MODEM_IF] mdm6600_boot_on()\n"); - - if (!mc->gpio_boot_sw_sel) { - pr_err("[MODEM_IF] no gpio data\n"); - return -ENXIO; - } - - if (mc->vbus_on) - mc->vbus_on(); - - if (mc->gpio_boot_sw_sel) - gpio_set_value(mc->gpio_boot_sw_sel, 0); - mc->usb_boot = true; - - return 0; -} - -static int mdm6600_boot_off(struct modem_ctl *mc) -{ - pr_info("[MODEM_IF] mdm6600_boot_off()\n"); - - if (!mc->gpio_boot_sw_sel) { - pr_err("[MODEM_IF] no gpio data\n"); - return -ENXIO; - } - - if (mc->vbus_off) - mc->vbus_off(); - - if (mc->gpio_boot_sw_sel) - gpio_set_value(mc->gpio_boot_sw_sel, 1); - mc->usb_boot = false; - - return 0; -} - -static int count; - -static irqreturn_t phone_active_irq_handler(int irq, void *_mc) -{ - int phone_reset = 0; - int phone_active_value = 0; - int cp_dump_value = 0; - int phone_state = 0; - struct modem_ctl *mc = (struct modem_ctl *)_mc; - - if (!mc->gpio_cp_reset || !mc->gpio_phone_active -/*|| !mc->gpio_cp_dump_int */) { - pr_err("[MODEM_IF] no gpio data\n"); - return IRQ_HANDLED; - } - - phone_reset = gpio_get_value(mc->gpio_cp_reset); - phone_active_value = gpio_get_value(mc->gpio_phone_active); - - pr_info("[MODEM_IF] PA EVENT : reset =%d, pa=%d, cp_dump=%d\n", - phone_reset, phone_active_value, cp_dump_value); - - if (phone_reset && phone_active_value) { - phone_state = STATE_ONLINE; - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, phone_state); - } else if (phone_reset && !phone_active_value) { - if (count == 1) { - phone_state = STATE_CRASH_EXIT; - if (mc->iod) { - ld = get_current_link(mc->iod); - if (ld->terminate_comm) - ld->terminate_comm(ld, mc->iod); - } - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed - (mc->iod, phone_state); - count = 0; - } else { - count++; - } - } else { - phone_state = STATE_OFFLINE; - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, phone_state); - } - - pr_info("phone_active_irq_handler : phone_state=%d\n", phone_state); - - return IRQ_HANDLED; -} - -static void mdm6600_get_ops(struct modem_ctl *mc) -{ - mc->ops.modem_on = mdm6600_on; - mc->ops.modem_off = mdm6600_off; - mc->ops.modem_reset = mdm6600_reset; - mc->ops.modem_boot_on = mdm6600_boot_on; - mc->ops.modem_boot_off = mdm6600_boot_off; -} - -int mdm6600_init_modemctl_device(struct modem_ctl *mc, struct modem_data *pdata) -{ - int ret; - struct platform_device *pdev; - - mc->gpio_cp_on = pdata->gpio_cp_on; - mc->gpio_cp_reset = pdata->gpio_cp_reset; - mc->gpio_pda_active = pdata->gpio_pda_active; - mc->gpio_phone_active = pdata->gpio_phone_active; - mc->gpio_cp_reset_msm = pdata->gpio_cp_reset_msm; - mc->gpio_boot_sw_sel = pdata->gpio_boot_sw_sel; - - mc->vbus_on = pdata->vbus_on; - mc->vbus_off = pdata->vbus_off; - - pdev = to_platform_device(mc->dev); - mc->irq_phone_active = platform_get_irq_byname(pdev, "cp_active_irq"); - pr_info("[MODEM_IF] <%s> PHONE_ACTIVE IRQ# = %d\n", - __func__, mc->irq_phone_active); - - mdm6600_get_ops(mc); - - ret = request_irq(mc->irq_phone_active, phone_active_irq_handler, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "phone_active", mc); - if (ret) { - pr_err("[MODEM_IF] %s: failed to request_irq:%d\n", - __func__, ret); - goto err_request_irq; - } - - ret = enable_irq_wake(mc->irq_phone_active); - if (ret) { - pr_err("[MODEM_IF] %s: failed to enable_irq_wake:%d\n", - __func__, ret); - goto err_set_wake_irq; - } - - return ret; - - err_set_wake_irq: - free_irq(mc->irq_phone_active, mc); - err_request_irq: - return ret; -} -#endif /* CONFIG_MACH_U1_KOR_LGT */ - -#if defined(CONFIG_MACH_M0_CTC) || defined(CONFIG_MACH_T0_CHN_CTC) - -#if defined(CONFIG_LINK_DEVICE_DPRAM) -#include "modem_link_device_dpram.h" -#elif defined(CONFIG_LINK_DEVICE_PLD) -#include "modem_link_device_pld.h" -#endif - -#define PIF_TIMEOUT (180 * HZ) -#define DPRAM_INIT_TIMEOUT (30 * HZ) - -#if defined(CONFIG_MACH_M0_DUOSCTC) || defined(CONFIG_MACH_M0_GRANDECTC) || \ - defined(CONFIG_MACH_T0_CHN_CTC) -static void mdm6600_vbus_on(void) -{ - struct regulator *regulator; - - pr_info("[MSM] <%s>\n", __func__); - -#if defined(CONFIG_MACH_T0_CHN_CTC) - if (system_rev == 4) - regulator = regulator_get(NULL, "vcc_1.8v_lcd"); - else - regulator = regulator_get(NULL, "vcc_1.8v_usb"); -#else - regulator = regulator_get(NULL, "vusbhub_osc_1.8v"); -#endif - if (IS_ERR(regulator)) { - pr_err("[MSM] error getting regulator_get <%s>\n", __func__); - return ; - } - regulator_enable(regulator); - regulator_put(regulator); - - pr_info("[MSM] <%s> enable\n", __func__); -} - -static void mdm6600_vbus_off(void) -{ - struct regulator *regulator; - - pr_info("[MSM] <%s>\n", __func__); - -#if defined(CONFIG_MACH_T0_CHN_CTC) - if (system_rev == 4) - regulator = regulator_get(NULL, "vcc_1.8v_lcd"); - else - regulator = regulator_get(NULL, "vcc_1.8v_usb"); -#else - regulator = regulator_get(NULL, "vusbhub_osc_1.8v"); -#endif - if (IS_ERR(regulator)) { - pr_err("[MSM] error getting regulator_get <%s>\n", __func__); - return ; - } - regulator_disable(regulator); - regulator_put(regulator); - - pr_info("[MSM] <%s> disable\n", __func__); -} -#endif - -static int mdm6600_on(struct modem_ctl *mc) -{ - struct link_device *ld = get_current_link(mc->iod); - - pr_info("[MSM] <%s>\n", __func__); - - if (!mc->gpio_reset_req_n || !mc->gpio_cp_reset - || !mc->gpio_cp_on || !mc->gpio_pda_active) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_pda_active, 1); - - gpio_set_value(mc->gpio_cp_on, 1); - msleep(500); - - gpio_set_value(mc->gpio_reset_req_n, 1); - msleep(50); - - gpio_set_value(mc->gpio_cp_reset, 1); - msleep(50); - - gpio_set_value(mc->gpio_cp_on, 0); - msleep(500); - -#if defined(CONFIG_LINK_DEVICE_PLD) - gpio_set_value(mc->gpio_fpga_cs_n, 1); -#endif - - mc->iod->modem_state_changed(mc->iod, STATE_BOOTING); - ld->mode = LINK_MODE_BOOT; - - return 0; -} - -static int mdm6600_off(struct modem_ctl *mc) -{ - pr_info("[MSM] <%s>\n", __func__); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_on) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_reset_req_n, 0); - gpio_set_value(mc->gpio_cp_on, 0); - - msleep(200); - - mc->iod->modem_state_changed(mc->iod, STATE_OFFLINE); - - return 0; -} - -static int mdm6600_reset(struct modem_ctl *mc) -{ - int ret = 0; - struct link_device *ld = get_current_link(mc->iod); - - pr_info("[MSM] <%s>\n", __func__); - - if (!mc->gpio_reset_req_n || !mc->gpio_cp_reset - || !mc->gpio_cp_on || !mc->gpio_pda_active) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_reset_req_n, 0); - gpio_set_value(mc->gpio_cp_on, 0); - - msleep(100); - - gpio_set_value(mc->gpio_cp_on, 1); - msleep(300); - - gpio_set_value(mc->gpio_reset_req_n, 1); - msleep(50); - - gpio_set_value(mc->gpio_cp_reset, 1); - msleep(50); - - gpio_set_value(mc->gpio_cp_on, 0); - msleep(100); - - gpio_set_value(mc->gpio_pda_active, 1); - - mc->iod->modem_state_changed(mc->iod, STATE_BOOTING); - ld->mode = LINK_MODE_BOOT; - - return 0; -} - -static int mdm6600_boot_on(struct modem_ctl *mc) -{ - struct regulator *regulator; - struct link_device *ld = get_current_link(mc->iod); - struct dpram_link_device *dpld = to_dpram_link_device(ld); - - pr_info("[MSM] <%s>\n", __func__); - - dpld->recv_intr(dpld); - - if (!mc->gpio_flm_uart_sel) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - -#if defined(CONFIG_MACH_M0_DUOSCTC) || defined(CONFIG_MACH_T0_CHN_CTC) - mdm6600_vbus_on(); -#elif defined(CONFIG_MACH_M0_GRANDECTC) - if (system_rev >= 14) - mdm6600_vbus_on(); -#endif - - pr_info("[MSM] <%s> %s\n", __func__, "USB_BOOT_EN initializing"); - if (system_rev < 11) { - - gpio_direction_output(GPIO_USB_BOOT_EN, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL, 0); - - msleep(100); - - gpio_direction_output(GPIO_USB_BOOT_EN, 1); - gpio_set_value(GPIO_USB_BOOT_EN, 1); - - pr_info("[MSM] <%s> USB_BOOT_EN:[%d]\n", __func__, - gpio_get_value(GPIO_USB_BOOT_EN)); - - gpio_direction_output(GPIO_BOOT_SW_SEL, 1); - gpio_set_value(GPIO_BOOT_SW_SEL, 1); - - pr_info("[MSM] <%s> BOOT_SW_SEL : [%d]\n", __func__, - gpio_get_value(GPIO_BOOT_SW_SEL)); - } else if (system_rev == 11) { - gpio_direction_output(GPIO_USB_BOOT_EN, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN, 0); - - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 0); - - msleep(100); - - gpio_direction_output(GPIO_USB_BOOT_EN, 1); - gpio_set_value(GPIO_USB_BOOT_EN, 1); - - pr_info("[MSM] <%s> USB_BOOT_EN:[%d]\n", __func__, - gpio_get_value(GPIO_USB_BOOT_EN)); - - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 1); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 1); - - pr_info("[MSM(%d)] <%s> USB_BOOT_EN:[%d]\n", system_rev, - __func__, gpio_get_value(GPIO_USB_BOOT_EN_REV06)); - - gpio_direction_output(GPIO_BOOT_SW_SEL, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 0); - - msleep(100); - - gpio_direction_output(GPIO_BOOT_SW_SEL, 1); - gpio_set_value(GPIO_BOOT_SW_SEL, 1); - - pr_info("[MSM] <%s> BOOT_SW_SEL : [%d]\n", __func__, - gpio_get_value(GPIO_BOOT_SW_SEL)); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 1); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 1); - - pr_info("[MSM(%d)] <%s> BOOT_SW_SEL : [%d]\n", system_rev, - __func__, gpio_get_value(GPIO_BOOT_SW_SEL_REV06)); - - } else { /* system_rev>11 */ - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 0); - - msleep(100); - - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 1); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 1); - - pr_info("[MSM] <%s> USB_BOOT_EN:[%d]\n", __func__, - gpio_get_value(GPIO_USB_BOOT_EN_REV06)); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 1); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 1); - - pr_info("[MSM] <%s> BOOT_SW_SEL : [%d]\n", __func__, - gpio_get_value(GPIO_BOOT_SW_SEL_REV06)); - - } - - mc->iod->modem_state_changed(mc->iod, STATE_BOOTING); - - return 0; -} - -static int mdm6600_boot_off(struct modem_ctl *mc) -{ - pr_info("[MSM] <%s>\n", __func__); - - if (!mc->gpio_flm_uart_sel -#if defined(CONFIG_MACH_M0_CTC) - || !mc->gpio_flm_uart_sel_rev06 -#endif - ) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - -#if defined(CONFIG_MACH_M0_DUOSCTC) || defined(CONFIG_MACH_T0_CHN_CTC) - mdm6600_vbus_off(); -#elif defined(CONFIG_MACH_M0_GRANDECTC) - if (system_rev >= 14) - mdm6600_vbus_off(); -#endif - - if (system_rev < 11) { - gpio_direction_output(GPIO_USB_BOOT_EN, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN, 0); - gpio_direction_output(GPIO_BOOT_SW_SEL, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL, 0); - - } else if (system_rev == 11) { - gpio_direction_output(GPIO_USB_BOOT_EN, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL, 0); - -#if defined(CONFIG_MACH_M0_CTC) - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 0); -#endif - - } else { /* system_rev>11 */ -#if defined(CONFIG_MACH_M0_CTC) - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); - s3c_gpio_setpull(GPIO_USB_BOOT_EN_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 0); - - gpio_direction_output(GPIO_BOOT_SW_SEL_REV06, 0); - s3c_gpio_setpull(GPIO_BOOT_SW_SEL_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_BOOT_SW_SEL_REV06, 0); -#endif - } - -#if defined(CONFIG_MACH_M0_CTC) - if (max7693_muic_cp_usb_state()) { - msleep(30); - gpio_direction_output(GPIO_USB_BOOT_EN, 1); - s3c_gpio_setpull(GPIO_USB_BOOT_EN, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN, 1); - gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 1); - s3c_gpio_setpull(GPIO_USB_BOOT_EN_REV06, S3C_GPIO_PULL_NONE); - gpio_set_value(GPIO_USB_BOOT_EN_REV06, 1); - } -#endif - - gpio_set_value(GPIO_BOOT_SW_SEL, 0); - - return 0; -} - - -static int mdm6600_force_crash_exit(struct modem_ctl *mc) -{ - pr_info("[MSM] <%s>\n", __func__); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_on) { - pr_err("[MSM] no gpio data\n"); - return -ENXIO; - } - - s3c_gpio_cfgpin(mc->gpio_cp_dump_int, S3C_GPIO_OUTPUT); - gpio_direction_output(mc->gpio_cp_dump_int, 1); - - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_cp_on, 0); - gpio_set_value(mc->gpio_cp_reset, 1); - - return 0; -} - -static irqreturn_t phone_active_irq_handler(int irq, void *arg) -{ - struct modem_ctl *mc = (struct modem_ctl *)arg; - int phone_reset = 0; - int phone_active = 0; - int phone_state = 0; - int cp_dump_int = 0; - - if (!mc->gpio_cp_reset || - !mc->gpio_phone_active || !mc->gpio_cp_dump_int) { - pr_err("[MSM] no gpio data\n"); - return IRQ_HANDLED; - } - - phone_reset = gpio_get_value(mc->gpio_cp_reset); - phone_active = gpio_get_value(mc->gpio_phone_active); - cp_dump_int = gpio_get_value(mc->gpio_cp_dump_int); - - pr_info("[MSM] <%s> phone_reset=%d, phone_active=%d, cp_dump_int=%d\n", - __func__, phone_reset, phone_active, cp_dump_int); - - if (phone_reset && phone_active) { - phone_state = STATE_ONLINE; - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, phone_state); - } else if (phone_reset && !phone_active) { - if (mc->phone_state == STATE_ONLINE) { - phone_state = STATE_CRASH_EXIT; - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, - phone_state); - } - } else { - phone_state = STATE_OFFLINE; - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, phone_state); - } - - if (phone_active) - irq_set_irq_type(mc->irq_phone_active, IRQ_TYPE_LEVEL_LOW); - else - irq_set_irq_type(mc->irq_phone_active, IRQ_TYPE_LEVEL_HIGH); - - pr_info("[MSM] <%s> phone_state = %d\n", __func__, phone_state); - - return IRQ_HANDLED; -} - -#if defined(CONFIG_SIM_DETECT) -static irqreturn_t sim_detect_irq_handler(int irq, void *_mc) -{ - struct modem_ctl *mc = (struct modem_ctl *)_mc; - - pr_info("[MSM] <%s> gpio_sim_detect = %d\n", - __func__, gpio_get_value(mc->gpio_sim_detect)); - - if (mc->iod && mc->iod->sim_state_changed) - mc->iod->sim_state_changed(mc->iod, - !gpio_get_value(mc->gpio_sim_detect)); - - return IRQ_HANDLED; -} -#endif - -static void mdm6600_get_ops(struct modem_ctl *mc) -{ - mc->ops.modem_on = mdm6600_on; - mc->ops.modem_off = mdm6600_off; - mc->ops.modem_reset = mdm6600_reset; - mc->ops.modem_boot_on = mdm6600_boot_on; - mc->ops.modem_boot_off = mdm6600_boot_off; - mc->ops.modem_force_crash_exit = mdm6600_force_crash_exit; -} - -int mdm6600_init_modemctl_device(struct modem_ctl *mc, struct modem_data *pdata) -{ - int ret = 0; - struct platform_device *pdev; - - mc->gpio_cp_on = pdata->gpio_cp_on; - mc->gpio_reset_req_n = pdata->gpio_reset_req_n; - mc->gpio_cp_reset = pdata->gpio_cp_reset; - mc->gpio_pda_active = pdata->gpio_pda_active; - mc->gpio_phone_active = pdata->gpio_phone_active; - mc->gpio_cp_dump_int = pdata->gpio_cp_dump_int; - mc->gpio_flm_uart_sel = pdata->gpio_flm_uart_sel; -#if defined(CONFIG_MACH_M0_CTC) - mc->gpio_flm_uart_sel_rev06 = pdata->gpio_flm_uart_sel_rev06; -#endif - mc->gpio_cp_warm_reset = pdata->gpio_cp_warm_reset; - mc->gpio_sim_detect = pdata->gpio_sim_detect; - -#if defined(CONFIG_LINK_DEVICE_PLD) - mc->gpio_fpga_cs_n = pdata->gpio_fpga2_cs_n; -#endif - - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_cp_on, 0); - - pdev = to_platform_device(mc->dev); - mc->irq_phone_active = platform_get_irq_byname(pdev, "cp_active_irq"); - pr_info("[MSM] <%s> PHONE_ACTIVE IRQ# = %d\n", - __func__, mc->irq_phone_active); - - mdm6600_get_ops(mc); - - ret = request_irq(mc->irq_phone_active, - phone_active_irq_handler, - IRQF_TRIGGER_HIGH, "msm_active", mc); - if (ret) { - pr_err("[MSM] <%s> failed to request_irq IRQ# %d (err=%d)\n", - __func__, mc->irq_phone_active, ret); - return ret; - } - - ret = enable_irq_wake(mc->irq_phone_active); - if (ret) { - pr_err("[MSM] %s: failed to enable_irq_wake IRQ# %d (err=%d)\n", - __func__, mc->irq_phone_active, ret); - free_irq(mc->irq_phone_active, mc); - return ret; - } - -#if defined(CONFIG_SIM_DETECT) - mc->irq_sim_detect = platform_get_irq_byname(pdev, "sim_irq"); - pr_info("[MSM] <%s> SIM_DECTCT IRQ# = %d\n", - __func__, mc->irq_sim_detect); - - if (mc->irq_sim_detect) { - ret = request_irq(mc->irq_sim_detect, sim_detect_irq_handler, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "msm_sim_detect", mc); - if (ret) { - mif_err("[MSM] failed to request_irq: %d\n", ret); - mc->sim_state.online = false; - mc->sim_state.changed = false; - return ret; - } - - ret = enable_irq_wake(mc->irq_sim_detect); - if (ret) { - mif_err("[MSM] failed to enable_irq_wake: %d\n", ret); - free_irq(mc->irq_sim_detect, mc); - mc->sim_state.online = false; - mc->sim_state.changed = false; - return ret; - } - - /* initialize sim_state => insert: gpio=0, remove: gpio=1 */ - mc->sim_state.online = !gpio_get_value(mc->gpio_sim_detect); - } -#endif - - return ret; -} -#endif |