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#include <ssw.h>
#include "cust_ssw_fxla2203.h"
#include "cust_gpio_usage.h"
//#include <mach/mt_gpio.h>
unsigned int ch_swap;
unsigned int en;
unsigned int curr_ssw_mode = SSW_SING_TALK;
struct mutex ssw_mutex;
unsigned int get_sim_switch_type(void)
{
printk("[ccci/ssw]FXLA2203\n");
return SSW_EXT_FXLA2203;
}
EXPORT_SYMBOL(get_sim_switch_type);
//sim switch hardware initial
static int ssw_init(unsigned int mode)
{
SSW_DBG("ssw_init: %d \n", mode);
unsigned int ch_mode, en_mode;
ch_swap = GPIO_SSW_CH_SWAP_PIN;
en = GPIO_SSW_EN_PIN;
ch_mode = GPIO_SSW_CH_SWAP_PIN_M_GPIO;
en_mode = GPIO_SSW_EN_PIN_M_GPIO;
//initial Ch_Swap pin: 1, host1->sim slot1, host2->sim slot2; 0, host1->sim slot2, host2->sim slot1
mt_set_gpio_mode(ch_swap, ch_mode);
mt_set_gpio_dir(ch_swap, GPIO_DIR_OUT);
//initial EN pin: 1, enable sim slot; 0, disable sim slot
mt_set_gpio_mode(en, en_mode);
mt_set_gpio_dir(en, GPIO_DIR_OUT);
curr_ssw_mode = mode;
if (mode == SSW_DUAL_TALK) {
mt_set_gpio_out(ch_swap, SSW_DUAL_TALK);
} else if (mode == SSW_SING_TALK) {
mt_set_gpio_out(ch_swap, SSW_SING_TALK);
}
mt_set_gpio_out(en, GPIO_OUT_ONE);
SSW_DBG("ssw_init: ch_swap=(%d %d %d), en=(%d %d %d) \n",
ch_swap, ch_mode, mt_get_gpio_out(ch_swap),
en, en_mode, mt_get_gpio_out(en));
return SSW_SUCCESS;
}
int ssw_switch_mode(char *buf, unsigned int len)
{
int ret = 0;
unsigned int mode = *((unsigned int *)buf);
unsigned int type = (mode&0xFFFF0000)>>16;
if (type != get_sim_switch_type()) {
SSW_DBG("[Error]sim switch type is mis-match: type(%d, %d)", type, get_sim_switch_type());
return SSW_INVALID_PARA;
}
SSW_DBG("sim switch: %d -> %d \n", curr_ssw_mode, mode);
mutex_lock(&ssw_mutex);
if (curr_ssw_mode != mode) {
curr_ssw_mode = mode;
if (curr_ssw_mode == SSW_DUAL_TALK)
mt_set_gpio_out(ch_swap, SSW_DUAL_TALK);
else if (curr_ssw_mode == SSW_SING_TALK)
mt_set_gpio_out(ch_swap, SSW_SING_TALK);
}
mutex_unlock(&ssw_mutex);
SSW_DBG("sim switch(%d) OK, ch_swap=%d, en=%d \n", curr_ssw_mode,
mt_get_gpio_out(ch_swap), mt_get_gpio_out(en));
return SSW_SUCCESS;
}
EXPORT_SYMBOL(ssw_switch_mode);
static int ssw_probe(struct platform_device *dev)
{
ssw_init(default_mode);
mutex_init(&ssw_mutex);
register_ccci_kern_func(ID_SSW_SWITCH_MODE, ssw_switch_mode);
return 0;
}
static int ssw_remove(struct platform_device *dev)
{
//SSW_DBG("ssw_remove \n");
return 0;
}
static void ssw_shutdown(struct platform_device *dev)
{
//SSW_DBG("ssw_shutdown \n");
}
static int ssw_suspend(struct platform_device *dev, pm_message_t state)
{
//SSW_DBG("ssw_suspend \n");
return 0;
}
static int ssw_resume(struct platform_device *dev)
{
//SSW_DBG("ssw_resume \n");
return 0;
}
static struct platform_driver ssw_driver =
{
.driver = {
.name = "sim-switch",
},
.probe = ssw_probe,
.remove = ssw_remove,
.shutdown = ssw_shutdown,
.suspend = ssw_suspend,
.resume = ssw_resume,
};
static int __init ssw_driver_init(void)
{
int ret = 0;
ret = platform_driver_register(&ssw_driver);
if (ret) {
SSW_DBG("ssw_driver register fail(%d)\n", ret);
return ret;
}
return ret;
}
static void __exit ssw_driver_exit(void)
{
return;
}
module_init(ssw_driver_init);
module_exit(ssw_driver_exit);
MODULE_DESCRIPTION("MTK SIM Switch Driver");
MODULE_AUTHOR("Anny <Anny.Hu@mediatek.com>");
MODULE_LICENSE("GPL");
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