diff options
Diffstat (limited to 'arch/arm/mach-exynos/board-jenga-modems.c')
| -rw-r--r-- | arch/arm/mach-exynos/board-jenga-modems.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/arch/arm/mach-exynos/board-jenga-modems.c b/arch/arm/mach-exynos/board-jenga-modems.c deleted file mode 100644 index 8071df1..0000000 --- a/arch/arm/mach-exynos/board-jenga-modems.c +++ /dev/null @@ -1,429 +0,0 @@ -/* linux/arch/arm/mach-xxxx/board-m0-modems.c - * Copyright (C) 2010 Samsung Electronics. All rights reserved. - * - * 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. - */ - -/* Modem configuraiton for M0 (P-Q + XMM6262)*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <mach/gpio-exynos4.h> -#include <plat/gpio-cfg.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/delay.h> - -#include <linux/platform_data/modem.h> - -/* umts target platform data */ -static struct modem_io_t umts_io_devices[] = { - [0] = { - .name = "umts_ipc0", - .id = 0x1, - .format = IPC_FMT, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [1] = { - .name = "umts_rfs0", - .id = 0x41, - .format = IPC_RFS, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [2] = { - .name = "umts_boot0", - .id = 0x0, - .format = IPC_BOOT, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [3] = { - .name = "multipdp", - .id = 0x1, - .format = IPC_MULTI_RAW, - .io_type = IODEV_DUMMY, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [4] = { - .name = "rmnet0", - .id = 0x2A, - .format = IPC_RAW, - .io_type = IODEV_NET, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [5] = { - .name = "rmnet1", - .id = 0x2B, - .format = IPC_RAW, - .io_type = IODEV_NET, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [6] = { - .name = "rmnet2", - .id = 0x2C, - .format = IPC_RAW, - .io_type = IODEV_NET, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [7] = { - .name = "umts_router", - .id = 0x39, - .format = IPC_RAW, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [8] = { - .name = "umts_csd", - .id = 0x21, - .format = IPC_RAW, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [9] = { - .name = "umts_ramdump0", - .id = 0x0, - .format = IPC_RAMDUMP, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, - [10] = { - .name = "umts_loopback0", - .id = 0x3f, - .format = IPC_RAW, - .io_type = IODEV_MISC, - .links = LINKTYPE(LINKDEV_HSIC), - }, -}; - -/* To get modem state, register phone active irq using resource */ -static struct resource umts_modem_res[] = { -}; - -static int umts_link_ldo_enble(bool enable) -{ - /* Exynos HSIC V1.2 LDO was controlled by kernel */ - return 0; -} - -static int umts_link_reconnect(void); -static struct modemlink_pm_data modem_link_pm_data = { - .name = "link_pm", - .link_ldo_enable = umts_link_ldo_enble, - .gpio_link_enable = 0, - .gpio_link_active = GPIO_ACTIVE_STATE, - .gpio_link_hostwake = GPIO_IPC_HOST_WAKEUP, - .gpio_link_slavewake = GPIO_IPC_SLAVE_WAKEUP, - .link_reconnect = umts_link_reconnect, -}; - -static struct modemlink_pm_link_activectl active_ctl; - -static void xmm_gpio_revers_bias_clear(void); -static void xmm_gpio_revers_bias_restore(void); -static struct modem_data umts_modem_data = { - .name = "xmm6262", - - .gpio_cp_on = GPIO_PHONE_ON, - .gpio_reset_req_n = GPIO_CP_REQ_RESET, - .gpio_cp_reset = GPIO_CP_RST, - .gpio_pda_active = GPIO_PDA_ACTIVE, - .gpio_phone_active = GPIO_PHONE_ACTIVE, - .gpio_cp_dump_int = GPIO_CP_DUMP_INT, - .gpio_flm_uart_sel = 0, - .gpio_cp_warm_reset = 0, - - .modem_type = IMC_XMM6262, - .link_types = LINKTYPE(LINKDEV_HSIC), - .modem_net = UMTS_NETWORK, - .use_handover = false, - - .num_iodevs = ARRAY_SIZE(umts_io_devices), - .iodevs = umts_io_devices, - - .link_pm_data = &modem_link_pm_data, - .gpio_revers_bias_clear = xmm_gpio_revers_bias_clear, - .gpio_revers_bias_restore = xmm_gpio_revers_bias_restore, -}; - -/* HSIC specific function */ -void set_slave_wake(void) -{ - int spin = 20; - if (gpio_get_value(modem_link_pm_data.gpio_link_hostwake)) { - pr_err(LOG_TAG "Send Slave Wake\n"); - gpio_direction_output( - modem_link_pm_data.gpio_link_slavewake, 1); - mdelay(5); - gpio_direction_output( - modem_link_pm_data.gpio_link_slavewake, 0); - while (spin--) { - if (!gpio_get_value( - modem_link_pm_data.gpio_link_hostwake)) - break; - mdelay(5); - } - } -} - -void set_host_states(struct platform_device *pdev, int type) -{ - if (active_ctl.gpio_initialized) { - if (type) - set_slave_wake(); - pr_err(LOG_TAG "Active States =%d, %s\n", type, pdev->name); - gpio_direction_output(modem_link_pm_data.gpio_link_active, - type); - } else - active_ctl.gpio_request_host_active = 1; -} - -static int umts_link_reconnect(void) -{ - if (gpio_get_value(umts_modem_data.gpio_phone_active) && - gpio_get_value(umts_modem_data.gpio_cp_reset)) { - pr_info("[MODEM_IF] trying reconnect link\n"); - gpio_set_value(modem_link_pm_data.gpio_link_active, 0); - mdelay(10); - set_slave_wake(); - gpio_set_value(modem_link_pm_data.gpio_link_active, 1); - } else - return -ENODEV; - - return 0; -} - -/* if use more than one modem device, then set id num */ -static struct platform_device umts_modem = { - .name = "modem_if", - .id = -1, - .num_resources = ARRAY_SIZE(umts_modem_res), - .resource = umts_modem_res, - .dev = { - .platform_data = &umts_modem_data, - }, -}; - -static void umts_modem_cfg_gpio(void) -{ - int err = 0; - - unsigned gpio_reset_req_n = umts_modem_data.gpio_reset_req_n; - unsigned gpio_cp_on = umts_modem_data.gpio_cp_on; - unsigned gpio_cp_rst = umts_modem_data.gpio_cp_reset; - unsigned gpio_pda_active = umts_modem_data.gpio_pda_active; - unsigned gpio_phone_active = umts_modem_data.gpio_phone_active; - unsigned gpio_cp_dump_int = umts_modem_data.gpio_cp_dump_int; - unsigned gpio_flm_uart_sel = umts_modem_data.gpio_flm_uart_sel; - unsigned irq_phone_active = umts_modem_res[0].start; - - if (gpio_reset_req_n) { - err = gpio_request(gpio_reset_req_n, "RESET_REQ_N"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "RESET_REQ_N", err); - } - gpio_direction_output(gpio_reset_req_n, 0); - } - - if (gpio_cp_on) { - err = gpio_request(gpio_cp_on, "CP_ON"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "CP_ON", err); - } - gpio_direction_output(gpio_cp_on, 0); - } - - if (gpio_cp_rst) { - err = gpio_request(gpio_cp_rst, "CP_RST"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "CP_RST", err); - } - gpio_direction_output(gpio_cp_rst, 0); - } - - if (gpio_pda_active) { - err = gpio_request(gpio_pda_active, "PDA_ACTIVE"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "PDA_ACTIVE", err); - } - gpio_direction_output(gpio_pda_active, 0); - } - - if (gpio_phone_active) { - err = gpio_request(gpio_phone_active, "PHONE_ACTIVE"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "PHONE_ACTIVE", err); - } - gpio_direction_input(gpio_phone_active); - pr_err(LOG_TAG "check phone active = %d\n", irq_phone_active); - } - - if (gpio_cp_dump_int) { - err = gpio_request(gpio_cp_dump_int, "CP_DUMP_INT"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "CP_DUMP_INT", err); - } - gpio_direction_input(gpio_cp_dump_int); - } - - if (gpio_flm_uart_sel) { - err = gpio_request(gpio_flm_uart_sel, "GPS_UART_SEL"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "GPS_UART_SEL", err); - } - gpio_direction_output(gpio_reset_req_n, 0); - } - - if (gpio_phone_active) - irq_set_irq_type(gpio_to_irq(gpio_phone_active), - IRQ_TYPE_LEVEL_HIGH); - /* set low unused gpios between AP and CP */ - err = gpio_request(GPIO_FLM_RXD, "FLM_RXD"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "FLM_RXD", - err); - else { - gpio_direction_output(GPIO_FLM_RXD, 0); - s3c_gpio_setpull(GPIO_FLM_RXD, S3C_GPIO_PULL_NONE); - } - err = gpio_request(GPIO_FLM_TXD, "FLM_TXD"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "FLM_TXD", - err); - else { - gpio_direction_output(GPIO_FLM_TXD, 0); - s3c_gpio_setpull(GPIO_FLM_TXD, S3C_GPIO_PULL_NONE); - } - err = gpio_request(GPIO_SUSPEND_REQUEST, "SUS_REQ"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "SUS_REQ", - err); - else { - gpio_direction_output(GPIO_SUSPEND_REQUEST, 0); - s3c_gpio_setpull(GPIO_SUSPEND_REQUEST, S3C_GPIO_PULL_NONE); - } - err = gpio_request(GPIO_GPS_CNTL, "GPS_CNTL"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "GPS_CNTL", - err); - else { - gpio_direction_output(GPIO_GPS_CNTL, 0); - s3c_gpio_setpull(GPIO_GPS_CNTL, S3C_GPIO_PULL_NONE); - } - - pr_info(LOG_TAG "umts_modem_cfg_gpio done\n"); -} - -static void xmm_gpio_revers_bias_clear(void) -{ - gpio_direction_output(umts_modem_data.gpio_pda_active, 0); - gpio_direction_output(umts_modem_data.gpio_phone_active, 0); - gpio_direction_output(umts_modem_data.gpio_cp_dump_int, 0); - gpio_direction_output(modem_link_pm_data.gpio_link_active, 0); - gpio_direction_output(modem_link_pm_data.gpio_link_hostwake, 0); - gpio_direction_output(modem_link_pm_data.gpio_link_slavewake, 0); - - msleep(20); -} - -static void xmm_gpio_revers_bias_restore(void) -{ - s3c_gpio_cfgpin(umts_modem_data.gpio_phone_active, S3C_GPIO_SFN(0xF)); - s3c_gpio_cfgpin(modem_link_pm_data.gpio_link_hostwake, - S3C_GPIO_SFN(0xF)); - gpio_direction_input(umts_modem_data.gpio_cp_dump_int); -} - -static void modem_link_pm_config_gpio(void) -{ - int err = 0; - - unsigned gpio_link_enable = modem_link_pm_data.gpio_link_enable; - unsigned gpio_link_active = modem_link_pm_data.gpio_link_active; - unsigned gpio_link_hostwake = modem_link_pm_data.gpio_link_hostwake; - unsigned gpio_link_slavewake = modem_link_pm_data.gpio_link_slavewake; - /* unsigned irq_link_hostwake = umts_modem_res[1].start; */ - - if (gpio_link_enable) { - err = gpio_request(gpio_link_enable, "LINK_EN"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "LINK_EN", err); - } - gpio_direction_output(gpio_link_enable, 0); - } - - if (gpio_link_active) { - err = gpio_request(gpio_link_active, "LINK_ACTIVE"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "LINK_ACTIVE", err); - } - gpio_direction_output(gpio_link_active, 0); - } - - if (gpio_link_hostwake) { - err = gpio_request(gpio_link_hostwake, "HOSTWAKE"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "HOSTWAKE", err); - } - gpio_direction_input(gpio_link_hostwake); - } - - if (gpio_link_slavewake) { - err = gpio_request(gpio_link_slavewake, "SLAVEWAKE"); - if (err) { - pr_err(LOG_TAG "fail to request gpio %s : %d\n", - "SLAVEWAKE", err); - } - gpio_direction_output(gpio_link_slavewake, 0); - } - - if (gpio_link_hostwake) - irq_set_irq_type(gpio_to_irq(gpio_link_hostwake), - IRQ_TYPE_EDGE_BOTH); - - active_ctl.gpio_initialized = 1; - if (active_ctl.gpio_request_host_active) { - pr_err(LOG_TAG "Active States = 1, %s\n", __func__); - gpio_direction_output(modem_link_pm_data.gpio_link_active, 1); - } - - - pr_info(LOG_TAG "modem_link_pm_config_gpio done\n"); -} - -static int __init init_modem(void) -{ - int ret; - pr_info(LOG_TAG "init_modem\n"); - - /* umts gpios configuration */ - umts_modem_cfg_gpio(); - modem_link_pm_config_gpio(); - ret = platform_device_register(&umts_modem); - if (ret < 0) - return ret; - - return ret; -} -late_initcall(init_modem); |