static void balong_sim2_set_status(struct work_struct *work)
{
/*anti-jitter, msleep(10)*/
msleep(SIM_DEBOUNCE_TIME);
sim2_plat_data->sim_status = get_sim_status(sim2_plat_data->sim_detection_gpio, g_sim2_present_electrical_lvl);
pr_info("balong_sim2_set_status sim_status [%d]\n", sim2_plat_data->sim_status);
}
void balong_sim1_set_status(struct work_struct *work)
{
/*anti-jitter, msleep(10)*/
msleep(SIM_DEBOUNCE_TIME);
sim1_plat_data->sim_status = get_sim_status(sim1_plat_data->sim_detection_gpio, g_sim1_present_electrical_lvl);
pr_info("balong_sim1_set_status sim_status [%d]\n", sim1_plat_data->sim_status);
#ifndef SIM_HPD
set_sim_en_int(sim1_plat_data->name, sim1_plat_data->sim_status);
#endif
}
static int balong_sim_probe(struct platform_device *pdev)
{
struct balong_sim_plat_data *plat = NULL;
const struct of_device_id *match;
enum of_gpio_flags gpio_flags;
int err;
dev_dbg(&pdev->dev, "balong_sim_probe\n");
if ((match = of_match_node(balong_sim_match, pdev->dev.of_node)) == NULL) {
dev_err(&pdev->dev, "dev node is not match. exiting.\n");
return -ENODEV;
}
plat = (struct balong_sim_plat_data *)match->data;
if (plat == NULL) {
dev_err(&pdev->dev, "no platform data\n");
return -EINVAL;
}
pr_err("balong_sim_probe, enter %s\n",plat->name);
if (!strcmp(SIM1 , plat->name))
{
sim1_plat_data = plat;
sim1_plat_data->sim_detection_gpio = of_get_gpio_by_prop(pdev->dev.of_node,"gpio-sim1_detect,gpio-irq",0,0, &gpio_flags);
err = of_property_read_u32(pdev->dev.of_node, "gpio_sim1_in_val", &g_sim1_present_electrical_lvl);
if (err < 0)
{
dev_err(&pdev->dev, "sim1 obtain the ele lvl failed err = %d\n",err);
return -EINVAL;
}
}
if (!strcmp(SIM2 , plat->name))
{
sim2_plat_data = plat;
sim2_plat_data->sim_detection_gpio = of_get_gpio_by_prop(pdev->dev.of_node,"gpio-sim2_detect,gpio-irq",0,0, &gpio_flags);
err = of_property_read_u32(pdev->dev.of_node, "gpio_sim2_in_val", &g_sim2_present_electrical_lvl);
if (err < 0)
{
dev_err(&pdev->dev, "sim2 obtain the ele lvl failed err = %d\n",err);
return -EINVAL;
}
}
err = gpio_request_one(plat->sim_detection_gpio, GPIOF_IN, plat->name);
if (err) {
dev_warn(&pdev->dev, "no sim-detect pin available!\n");
return err;
}
/*Initialize sim status when booting*/
if (!strcmp(SIM1 , plat->name))
{
plat->sim_status = get_sim_status(plat->sim_detection_gpio, g_sim1_present_electrical_lvl);
}
if (!strcmp(SIM2 , plat->name))
{
plat->sim_status = get_sim_status(plat->sim_detection_gpio, g_sim2_present_electrical_lvl);
}
/*以下代码只执行一次，SIM1和SIM2共用一个任务队列*/
if (!workqueue) {
/* Initialize works */
workqueue = create_singlethread_workqueue("balong_sim_workqueue");
if (!workqueue) {
dev_err(&pdev->dev, "Create workqueue failed\n");
err = -1;
goto err_init_workqueue;
}
else
{
pr_info("balong_sim_probe, Initialization of workqueue succeed\n");
}
}
/*request SIM irq*/
if (!strcmp(SIM1 , plat->name))
{
/*request irq for sim1*/
INIT_WORK(&sim1_irq_work, balong_sim1_set_status);
err = request_irq(gpio_to_irq(sim1_plat_data->sim_detection_gpio), sim1_detection_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "sim1:request gpio irq error\n");
goto no_sim_detect_irq;
}
/* sysfs entries for IO control */
err = device_create_file(&(pdev->dev), &dev_attr_sim1_status);
if (err) {
dev_err(&pdev->dev, "sim1:Failed to create sysfs entry\n");
goto err_create_device_file;
}
}
if (!strcmp(SIM2 , plat->name))
{
INIT_WORK(&sim2_irq_work, balong_sim2_set_status);
err = request_irq(gpio_to_irq(sim2_plat_data->sim_detection_gpio), sim2_detection_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "sim2:request gpio irq error\n");
goto no_sim_detect_irq;
}
/* sysfs entries for IO control */
err = device_create_file(&(pdev->dev), &dev_attr_sim2_status);
if (err) {
dev_err(&pdev->dev, "sim2:Failed to create sysfs entry\n");
goto err_create_device_file;
}
}
return 0;
err_create_device_file:
no_sim_detect_irq:
destroy_workqueue(workqueue);
workqueue = NULL;
err_init_workqueue:
gpio_free(plat->sim_detection_gpio);
return err;
}
static int balong_sim_probe(struct platform_device *pdev)
{
struct balong_sim_plat_data *plat = NULL;
int err;
dev_dbg(&pdev->dev, "balong_sim_probe\n");
plat = pdev->dev.platform_data;
if (!strcmp(SIM1 , plat->name))
{
sim1_plat_data = pdev->dev.platform_data;
if (!get_hw_config_int("sim/sim1_detection_gpio", &(sim1_plat_data->sim_detection_gpio), NULL))
{
pr_err("Get sim/sim1_detection_gpio failed\n");
return -EINVAL;
}
/*if there are no sim gpio detection on hw platform, simX_detection_gpio should be 0xffffffff*/
if(NO_SIM_GPIO == sim1_plat_data->sim_detection_gpio)
{
pr_info("balong_sim_probe, this hw platform doesn't support sim1 gpio detection! \n");
set_sim_en_int(plat->name, 1);
return 0;
}
if (!get_hw_config_int("sim/sim1_present_electrical_lvl", &(g_sim1_present_electrical_lvl), NULL))
{
pr_err("Get sim/sim1_detection_gpio failed\n");
return -EINVAL;
}
pr_info("balong_sim_probe SIM1 dev name [%s], sim1_detection_gpio [%d], sim1_present_electrical_lvl [%d]\n",
plat->name, sim1_plat_data->sim_detection_gpio, g_sim1_present_electrical_lvl);
}
if (!strcmp(SIM2 , plat->name))
{
sim2_plat_data = pdev->dev.platform_data;
if (!get_hw_config_int("sim/sim2_detection_gpio", &(sim2_plat_data->sim_detection_gpio), NULL))
{
pr_err("Get sim/sim2_detection_gpio failed\n");
return -EINVAL;
}
/*if there are no sim gpio detection on hw platform, simX_detection_gpio should be 0xffffffff*/
if(NO_SIM_GPIO == sim2_plat_data->sim_detection_gpio)
{
pr_info("balong_sim_probe, this hw platform doesn't support sim2 gpio detection! \n");
set_sim_en_int(plat->name, 1);
return 0;
}
if (!get_hw_config_int("sim/sim2_present_electrical_lvl", &(g_sim2_present_electrical_lvl), NULL))
{
pr_err("Get sim/sim2_detection_gpio failed\n");
return -EINVAL;
}
pr_info("balong_sim_probe SIM2 dev name [%s], sim2_detection_gpio [%d], sim2_present_electrical_lvl [%d]\n",
plat->name, sim2_plat_data->sim_detection_gpio, g_sim2_present_electrical_lvl);
}
err = gpio_request_one(plat->sim_detection_gpio, GPIOF_IN, plat->name);
if (err) {
dev_warn(&pdev->dev, "no sim-detect pin available!\n");
return err;
}
/*Initialize sim status when booting*/
if (!strcmp(SIM1 , plat->name))
{
plat->sim_status = get_sim_status(plat->sim_detection_gpio, g_sim1_present_electrical_lvl);
}
if (!strcmp(SIM2 , plat->name))
{
plat->sim_status = get_sim_status(plat->sim_detection_gpio, g_sim2_present_electrical_lvl);
}
pr_info("balong_sim_probe sim_status [%d]\n", plat->sim_status);
/*Temp: set sim_en_int of register SIMCARD_EN*/
/*TODO:需要找到软件哪里设置了sim_en_int位*/
set_sim_en_int(plat->name, plat->sim_status);
/*以下代码只执行一次，SIM1和SIM2共用一个任务队列*/
if (!workqueue)
{
/* Initialize works */
workqueue = create_singlethread_workqueue("balong_sim_workqueue");
if (!workqueue) {
dev_err(&pdev->dev, "Create workqueue failed\n");
err = -1;
goto err_init_workqueue;
}
else
{
pr_info("balong_sim_probe, Initialization of workqueue succeed\n");
}
}
/*request SIM irq*/
if (!strcmp(SIM1 , plat->name))
{
INIT_WORK(&sim1_irq_work, balong_sim1_set_status);
err = request_irq(gpio_to_irq(plat->sim_detection_gpio), sim1_detection_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND,
pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request gpio irq error\n");
goto no_sim_detect_irq;
}
#ifdef SIM_HPD
pr_info(" SIM1 sim_hpd_out_f [%d]\n", plat->sim_hpd_out_f);
pr_info(" SIM1 sim_hpd_in_f [%d]\n", plat->sim_hpd_in_f);
/*SIM HPD out irq request*/
err = request_irq(plat->sim_hpd_out_f, sim1_hpd_out_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND, pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request sim_hpd_out_f irq error\n");
goto no_sim_hpd_out_irq;
}
/*SIM HPD in irq request*/
err = request_irq(plat->sim_hpd_in_f, sim1_hpd_in_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND, pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request sim_hpd_in_f irq error\n");
goto no_sim_hpd_in_irq;
}
#endif
/* sysfs entries for IO control */
err = device_create_file(&(pdev->dev), &dev_attr_sim1_status);
if (err) {
dev_err(&pdev->dev, "Failed to create sysfs entry\n");
goto err_create_device_file;
}
}
if (!strcmp(SIM2 , plat->name))
{
INIT_WORK(&sim2_irq_work, balong_sim2_set_status);
err = request_irq(gpio_to_irq(plat->sim_detection_gpio), sim2_detection_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND,
pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request gpio irq error\n");
goto no_sim_detect_irq;
}
#ifdef SIM_HPD
pr_info(" SIM2 sim_hpd_out_f [%d]\n", plat->sim_hpd_out_f);
pr_info(" SIM2 sim_hpd_in_f [%d]\n", plat->sim_hpd_in_f);
/*SIM HPD out irq request*/
err = request_irq(plat->sim_hpd_out_f, sim2_hpd_out_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND, pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request sim_hpd_out_f irq error\n");
goto no_sim_hpd_out_irq;
}
/*SIM HPD in irq request*/
err = request_irq(plat->sim_hpd_in_f, sim2_hpd_in_irq_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND, pdev->name, pdev);
if (err) {
dev_warn(&pdev->dev, "request sim_hpd_in_f irq error\n");
goto no_sim_hpd_in_irq;
}
#endif
/* sysfs entries for IO control */
err = device_create_file(&(pdev->dev), &dev_attr_sim2_status);
if (err) {
dev_err(&pdev->dev, "Failed to create sysfs entry\n");
goto err_create_device_file;
}
}
return 0;
err_create_device_file:
#ifdef SIM_HPD
if (!strcmp(SIM1 , plat->name)) free_irq(plat->sim_hpd_in_f, sim1_hpd_in_irq_handler);
if (!strcmp(SIM2 , plat->name)) free_irq(plat->sim_hpd_in_f, sim2_hpd_in_irq_handler);
no_sim_hpd_in_irq:
if (!strcmp(SIM1 , plat->name)) free_irq(plat->sim_hpd_out_f, sim1_hpd_out_irq_handler);
if (!strcmp(SIM2 , plat->name)) free_irq(plat->sim_hpd_out_f, sim2_hpd_out_irq_handler);
no_sim_hpd_out_irq:
#endif
if (!strcmp(SIM1 , plat->name)) free_irq(gpio_to_irq(plat->sim_detection_gpio), sim1_detection_irq_handler);
if (!strcmp(SIM2 , plat->name)) free_irq(gpio_to_irq(plat->sim_detection_gpio), sim2_detection_irq_handler);
no_sim_detect_irq:
destroy_workqueue(workqueue);
workqueue = NULL;
err_init_workqueue:
gpio_free(plat->sim_detection_gpio);
return err;
}