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#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <mach/regs-gpio.h>
#include <mach/gpio.h>
#include <mach/irqs.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/regulator/consumer.h>
#ifdef CONFIG_HAS_WAKELOCK
#include <linux/wakelock.h>
#endif
#include <linux/phone_svn/modemctl.h>
#define DEBUG
static struct modemctl_platform_data mdmctl_data;
void modemctl_cfg_gpio(void)
{
int err = 0;
unsigned gpio_phone_on = mdmctl_data.gpio_phone_on;
unsigned gpio_phone_active = mdmctl_data.gpio_phone_active;
unsigned gpio_cp_rst = mdmctl_data.gpio_cp_reset;
unsigned gpio_pda_active = mdmctl_data.gpio_pda_active;
unsigned gpio_cp_req_reset = mdmctl_data.gpio_cp_req_reset;
unsigned gpio_ipc_slave_wakeup = mdmctl_data.gpio_ipc_slave_wakeup;
unsigned gpio_ipc_host_wakeup = mdmctl_data.gpio_ipc_host_wakeup;
unsigned gpio_suspend_request = mdmctl_data.gpio_suspend_request;
unsigned gpio_active_state = mdmctl_data.gpio_active_state;
unsigned gpio_cp_dump_int = mdmctl_data.gpio_cp_dump_int;
/*TODO: check uart init func AP FLM BOOT RX -- */
s3c_gpio_setpull(EXYNOS4_GPA1(4), S3C_GPIO_PULL_UP);
err = gpio_request(gpio_phone_on, "PHONE_ON");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "PHONE_ON");
} else {
gpio_direction_output(gpio_phone_on, 0);
s3c_gpio_setpull(gpio_phone_on, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_pda_active, "PDA_ACTIVE");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "PDA_ACTIVE");
} else {
gpio_direction_output(gpio_pda_active, 0);
s3c_gpio_setpull(gpio_pda_active, S3C_GPIO_PULL_NONE);
}
#if !defined(CONFIG_CHN_CMCC_SPI_SPRD)
err = gpio_request(gpio_cp_rst, "CP_RST");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "CP_RST");
} else {
gpio_direction_output(gpio_cp_rst, 0);
s3c_gpio_setpull(gpio_cp_rst, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_cp_req_reset, "CP_REQ_RESET");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "CP_REQ_RESET");
} else {
gpio_direction_output(gpio_cp_req_reset, 0);
s3c_gpio_setpull(gpio_cp_req_reset, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_ipc_slave_wakeup, "IPC_SLAVE_WAKEUP");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n",
"IPC_SLAVE_WAKEUP");
} else {
gpio_direction_output(gpio_ipc_slave_wakeup, 0);
s3c_gpio_setpull(gpio_ipc_slave_wakeup, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_ipc_host_wakeup, "IPC_HOST_WAKEUP");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "IPC_HOST_WAKEUP");
} else {
gpio_direction_output(gpio_ipc_host_wakeup, 0);
s3c_gpio_cfgpin(gpio_ipc_host_wakeup, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(gpio_ipc_host_wakeup, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_suspend_request, "SUSPEND_REQUEST");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "SUSPEND_REQUEST");
} else {
gpio_direction_input(gpio_suspend_request);
s3c_gpio_setpull(gpio_suspend_request, S3C_GPIO_PULL_NONE);
}
err = gpio_request(gpio_active_state, "ACTIVE_STATE");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "ACTIVE_STATE");
} else {
gpio_direction_output(gpio_active_state, 0);
s3c_gpio_setpull(gpio_active_state, S3C_GPIO_PULL_NONE);
}
#endif
err = gpio_request(gpio_phone_active, "PHONE_ACTIVE");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "PHONE_ACTIVE");
} else {
gpio_direction_input(gpio_phone_active);
s3c_gpio_cfgpin(gpio_phone_active, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(gpio_phone_active, S3C_GPIO_PULL_DOWN);
}
err = gpio_request(gpio_cp_dump_int, "CP_DUMP_INT");
if (err) {
printk(KERN_ERR "fail to request gpio %s\n", "CP_DUMP_INT");
} else {
gpio_direction_input(gpio_cp_dump_int);
s3c_gpio_cfgpin(gpio_cp_dump_int, S3C_GPIO_SFN(0xF));
s3c_gpio_setpull(gpio_cp_dump_int, S3C_GPIO_PULL_DOWN);
}
}
static void xmm6260_vcc_init(struct modemctl *mc)
{
int err;
if (!mc->vcc) {
mc->vcc = regulator_get(NULL, "vhsic");
if (IS_ERR(mc->vcc)) {
err = PTR_ERR(mc->vcc);
dev_dbg(mc->dev, "No VHSIC_1.2V regualtor: %d\n", err);
mc->vcc = NULL;
}
}
if (mc->vcc)
regulator_enable(mc->vcc);
}
static void xmm6260_vcc_off(struct modemctl *mc)
{
if (mc->vcc)
regulator_disable(mc->vcc);
}
static void xmm6260_on(struct modemctl *mc)
{
dev_dbg(mc->dev, "%s\n", __func__);
if (!mc->gpio_cp_reset || !mc->gpio_phone_on || !mc->gpio_cp_req_reset)
return;
#if defined(CONFIG_CHN_CMCC_SPI_SPRD)
gpio_set_value(mc->gpio_cp_req_reset, 0);
gpio_set_value(mc->gpio_pda_active, 0);
gpio_set_value(mc->gpio_phone_on, 0);
msleep(100);
gpio_set_value(mc->gpio_phone_on, 1);
gpio_set_value(mc->gpio_pda_active, 1);
#else
xmm6260_vcc_init(mc);
gpio_set_value(mc->gpio_phone_on, 0);
gpio_set_value(mc->gpio_cp_reset, 0);
udelay(160);
gpio_set_value(mc->gpio_pda_active, 0);
gpio_set_value(mc->gpio_active_state, 0);
msleep(100);
gpio_set_value(mc->gpio_cp_reset, 1);
udelay(160);
gpio_set_value(mc->gpio_cp_req_reset, 1);
udelay(160);
gpio_set_value(mc->gpio_phone_on, 1);
msleep(20);
gpio_set_value(mc->gpio_active_state, 1);
gpio_set_value(mc->gpio_pda_active, 1);
#endif
}
static void xmm6260_off(struct modemctl *mc)
{
dev_dbg(mc->dev, "%s\n", __func__);
if (!mc->gpio_cp_reset || !mc->gpio_phone_on)
return;
gpio_set_value(mc->gpio_phone_on, 0);
gpio_set_value(mc->gpio_cp_reset, 0);
xmm6260_vcc_off(mc);
}
static void xmm6260_reset(struct modemctl *mc)
{
dev_dbg(mc->dev, "%s\n", __func__);
if (!mc->gpio_cp_reset || !mc->gpio_cp_req_reset)
return;
#if defined(CONFIG_CHN_CMCC_SPI_SPRD)
gpio_set_value(mc->gpio_cp_req_reset, 0);
msleep(100);
gpio_set_value(mc->gpio_cp_req_reset, 1);
#else
/* gpio_set_value(mc->gpio_pda_active, 0);
gpio_set_value(mc->gpio_active_state, 0);*/
gpio_set_value(mc->gpio_cp_reset, 0);
gpio_set_value(mc->gpio_cp_req_reset, 0);
msleep(100);
gpio_set_value(mc->gpio_cp_reset, 1);
udelay(160);
gpio_set_value(mc->gpio_cp_req_reset, 1);
#endif
}
/* move the PDA_ACTIVE Pin control to sleep_gpio_table */
static void xmm6260_suspend(struct modemctl *mc)
{
xmm6260_vcc_off(mc);
}
static void xmm6260_resume(struct modemctl *mc)
{
xmm6260_vcc_init(mc);
}
#if defined(CONFIG_CHN_CMCC_SPI_SPRD)
static struct modemctl_platform_data mdmctl_data = {
.name = "xmm6260",
.gpio_phone_on = GPIO_PHONE_ON,
.gpio_phone_active = GPIO_PHONE_ACTIVE,
.gpio_pda_active = GPIO_PDA_ACTIVE,
.gpio_cp_reset = GPIO_CP_RST,
.gpio_cp_req_reset = GPIO_AP_CP_INT2,
.gpio_ipc_slave_wakeup = GPIO_IPC_SLAVE_WAKEUP,
.gpio_ipc_host_wakeup = GPIO_IPC_HOST_WAKEUP,
.gpio_suspend_request = GPIO_SUSPEND_REQUEST,
.gpio_active_state = GPIO_ACTIVE_STATE,
.gpio_cp_dump_int = GPIO_CP_DUMP_INT,
.ops = {
.modem_on = xmm6260_on,
.modem_off = xmm6260_off,
.modem_reset = xmm6260_reset,
.modem_suspend = xmm6260_suspend,
.modem_resume = xmm6260_resume,
.modem_cfg_gpio = modemctl_cfg_gpio,
}
};
#else
static struct modemctl_platform_data mdmctl_data = {
.name = "xmm6260",
.gpio_phone_on = GPIO_PHONE_ON,
.gpio_phone_active = GPIO_PHONE_ACTIVE,
.gpio_pda_active = GPIO_PDA_ACTIVE,
.gpio_cp_reset = GPIO_CP_RST,
.gpio_cp_req_reset = GPIO_CP_REQ_RESET,
.gpio_ipc_slave_wakeup = GPIO_IPC_SLAVE_WAKEUP,
.gpio_ipc_host_wakeup = GPIO_IPC_HOST_WAKEUP,
.gpio_suspend_request = GPIO_SUSPEND_REQUEST,
.gpio_active_state = GPIO_ACTIVE_STATE,
.gpio_cp_dump_int = GPIO_CP_DUMP_INT,
.ops = {
.modem_on = xmm6260_on,
.modem_off = xmm6260_off,
.modem_reset = xmm6260_reset,
.modem_suspend = xmm6260_suspend,
.modem_resume = xmm6260_resume,
.modem_cfg_gpio = modemctl_cfg_gpio,
}
};
#endif
/* TODO: check the IRQs..... */
static struct resource mdmctl_res[] = {
[0] = {
.start = IRQ_PHONE_ACTIVE,
.end = IRQ_PHONE_ACTIVE,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device modemctl = {
.name = "modemctl",
.id = -1,
.num_resources = ARRAY_SIZE(mdmctl_res),
.resource = mdmctl_res,
.dev = {
.platform_data = &mdmctl_data,
},
};
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