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/* linux/arch/arm/mach-xxxx/board-m0-td-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 CMCC (P-Q + SPRD8803)*/
#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>
#include <mach/sec_modem.h>
/* tdscdma target platform data */
static struct modem_io_t tdscdma_io_devices[] = {
[0] = {
.name = "td_ipc0",
.id = 0x1,
.format = IPC_FMT,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[1] = {
.name = "td_rfs0",
.id = 0x41,
.format = IPC_RFS,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[2] = {
.name = "td_boot0",
.id = 0x0,
.format = IPC_BOOT,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[3] = {
.name = "td_multipdp",
.id = 0x1,
.format = IPC_MULTI_RAW,
.io_type = IODEV_DUMMY,
.links = LINKTYPE(LINKDEV_SPI),
},
[4] = {
#ifdef CONFIG_SLP
.name = "pdp0",
#else
.name = "td_rmnet0",
#endif
.id = 0x2A,
.format = IPC_RAW,
.io_type = IODEV_NET,
.links = LINKTYPE(LINKDEV_SPI),
},
[5] = {
#ifdef CONFIG_SLP
.name = "pdp1",
#else
.name = "td_rmnet1",
#endif
.id = 0x2B,
.format = IPC_RAW,
.io_type = IODEV_NET,
.links = LINKTYPE(LINKDEV_SPI),
},
[6] = {
#ifdef CONFIG_SLP
.name = "pdp2",
#else
.name = "td_rmnet2",
#endif
.id = 0x2C,
.format = IPC_RAW,
.io_type = IODEV_NET,
.links = LINKTYPE(LINKDEV_SPI),
},
[7] = {
.name = "td_router",
.id = 0x39,
.format = IPC_RAW,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[8] = {
.name = "td_csd",
.id = 0x21,
.format = IPC_RAW,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[9] = {
.name = "td_ramdump0",
.id = 0x0,
.format = IPC_RAMDUMP,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
[10] = {
.name = "td_loopback0",
.id = 0x3f,
.format = IPC_RAW,
.io_type = IODEV_MISC,
.links = LINKTYPE(LINKDEV_SPI),
},
};
/* To get modem state, register phone active irq using resource */
static struct resource tdscdma_modem_res[] = {
};
static struct modem_data tdscdma_modem_data = {
.name = "sprd8803",
.gpio_cp_on = GPIO_TD_PHONE_ON,
.gpio_pda_active = GPIO_TD_PDA_ACTIVE,
.gpio_phone_active = GPIO_TD_PHONE_ACTIVE,
.gpio_cp_dump_int = GPIO_TD_DUMP_INT,
.gpio_ap_cp_int1 = GPIO_AP_TD_INT1,
.gpio_ap_cp_int2 = GPIO_AP_TD_INT2,
.gpio_ipc_mrdy = GPIO_IPC_MRDY,
.gpio_ipc_srdy = GPIO_IPC_SRDY,
.gpio_ipc_sub_mrdy = GPIO_IPC_SUB_MRDY,
.gpio_ipc_sub_srdy = GPIO_IPC_SUB_SRDY,
#ifdef CONFIG_SEC_DUAL_MODEM_MODE
.gpio_sim_io_sel = GPIO_SIM_IO_SEL,
.gpio_cp_ctrl1 = GPIO_CP_CTRL1,
.gpio_cp_ctrl2 = GPIO_CP_CTRL2,
#endif
.modem_type = SPRD_SC8803,
.link_types = LINKTYPE(LINKDEV_SPI),
.modem_net = TDSCDMA_NETWORK,
.num_iodevs = ARRAY_SIZE(tdscdma_io_devices),
.iodevs = tdscdma_io_devices,
};
/* if use more than one modem device, then set id num */
static struct platform_device tdscdma_modem = {
.name = "modem_if",
.id = 2,
.num_resources = ARRAY_SIZE(tdscdma_modem_res),
.resource = tdscdma_modem_res,
.dev = {
.platform_data = &tdscdma_modem_data,
},
};
static void tdscdma_modem_cfg_gpio(void)
{
int err = 0;
unsigned gpio_cp_on = tdscdma_modem_data.gpio_cp_on;
unsigned gpio_pda_active = tdscdma_modem_data.gpio_pda_active;
unsigned gpio_phone_active = tdscdma_modem_data.gpio_phone_active;
unsigned gpio_cp_dump_int = tdscdma_modem_data.gpio_cp_dump_int;
unsigned gpio_ipc_mrdy = tdscdma_modem_data.gpio_ipc_mrdy;
unsigned gpio_ipc_srdy = tdscdma_modem_data.gpio_ipc_srdy;
unsigned gpio_ipc_sub_mrdy = tdscdma_modem_data.gpio_ipc_sub_mrdy;
unsigned gpio_ipc_sub_srdy = tdscdma_modem_data.gpio_ipc_sub_srdy;
#ifdef CONFIG_SEC_DUAL_MODEM_MODE
unsigned gpio_sim_io_sel = tdscdma_modem_data.gpio_sim_io_sel;
unsigned gpio_cp_ctrl1 = tdscdma_modem_data.gpio_cp_ctrl1;
unsigned gpio_cp_ctrl2 = tdscdma_modem_data.gpio_cp_ctrl2;
/* these 3 gpios need to set again before cp booting */
if (gpio_sim_io_sel) {
err = gpio_request(gpio_sim_io_sel, "SIM_IO_SEL");
if (err) {
pr_err(LOG_TAG "fail to request gpio %s : %d\n",
"SIM_IO_SEL", err);
}
gpio_direction_output(gpio_sim_io_sel, 0);
}
if (gpio_cp_ctrl1) {
err = gpio_request(gpio_cp_ctrl1, "CP_CTRL1");
if (err) {
pr_err(LOG_TAG "fail to request gpio %s : %d\n",
"CP_CTRL1", err);
}
gpio_direction_output(gpio_cp_ctrl1, 0);
}
if (gpio_cp_ctrl2) {
err = gpio_request(gpio_cp_ctrl2, "CP_CTRL2");
if (err) {
pr_err(LOG_TAG "fail to request gpio %s : %d\n",
"CP_CTRL2", err);
}
gpio_direction_output(gpio_cp_ctrl2, 0);
}
#endif
/*TODO: check uart init func AP FLM BOOT RX -- */
s3c_gpio_setpull(EXYNOS4_GPA1(4), S3C_GPIO_PULL_UP);
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_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);
s3c_gpio_setpull(gpio_phone_active, S3C_GPIO_PULL_DOWN);
}
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);
s3c_gpio_setpull(gpio_cp_dump_int, S3C_GPIO_PULL_DOWN);
}
if (gpio_phone_active)
irq_set_irq_type(gpio_to_irq(gpio_phone_active),
IRQ_TYPE_EDGE_BOTH);
if (gpio_ipc_mrdy) {
err = gpio_request(gpio_ipc_mrdy, "IPC_MRDY");
if (err) {
printk(KERN_ERR "ipc_spi_cfg_gpio - fail to request gpio %s : %d\n",
"IPC_MRDY", err);
} else {
gpio_direction_output(gpio_ipc_mrdy, 0);
}
}
if (gpio_ipc_srdy) {
err = gpio_request(gpio_ipc_srdy, "IPC_SRDY");
if (err) {
printk(KERN_ERR "ipc_spi_cfg_gpio - fail to request gpio %s : %d\n",
"IPC_SRDY", err);
} else {
gpio_direction_input(gpio_ipc_srdy);
s3c_gpio_cfgpin(gpio_ipc_srdy, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(gpio_ipc_srdy, S3C_GPIO_PULL_DOWN);
irq_set_irq_type(gpio_to_irq(gpio_ipc_srdy),
IRQ_TYPE_EDGE_RISING);
}
}
if (gpio_ipc_sub_mrdy) {
err = gpio_request(gpio_ipc_sub_mrdy, "IPC_SUB_MRDY");
if (err) {
printk(KERN_ERR "ipc_spi_cfg_gpio - fail to request gpio %s : %d\n",
"IPC_SUB_MRDY", err);
} else {
gpio_direction_output(gpio_ipc_sub_mrdy, 0);
}
}
if (gpio_ipc_sub_srdy) {
err = gpio_request(gpio_ipc_sub_srdy, "IPC_SUB_SRDY");
if (err) {
printk(KERN_ERR "ipc_spi_cfg_gpio - fail to request gpio %s : %d\n",
"IPC_SUB_SRDY", err);
} else {
gpio_direction_input(gpio_ipc_sub_srdy);
s3c_gpio_cfgpin(gpio_ipc_sub_srdy, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(gpio_ipc_sub_srdy, S3C_GPIO_PULL_DOWN);
irq_set_irq_type(gpio_to_irq(gpio_ipc_sub_srdy),
IRQ_TYPE_EDGE_RISING);
}
}
pr_info(LOG_TAG "tdscdma_modem_cfg_gpio done\n");
}
static int __init init_modem(void)
{
int ret;
pr_info(LOG_TAG "tdscdma init_modem\n");
/* tdscdma gpios configuration */
tdscdma_modem_cfg_gpio();
ret = platform_device_register(&tdscdma_modem);
if (ret < 0)
return ret;
return ret;
}
late_initcall(init_modem);
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