//static int __devexit cbp_remove(struct platform_device *pdev)
static int cbp_remove(struct platform_device *pdev)
{
struct cbp_platform_data *plat = pdev->dev.platform_data;
if((GPIO_C2K_VALID(plat->gpio_sd_select)) && (GPIO_C2K_VALID(plat->gpio_mc3_enable))){
}
if(plat->data_ack_enable && (GPIO_C2K_VALID(plat->gpio_data_ack))){
free_irq(c2k_gpio_to_irq(plat->gpio_data_ack), cbp_data_ack);
kfree(cbp_data_ack);
}
if(plat->flow_ctrl_enable && (GPIO_C2K_VALID(plat->gpio_flow_ctrl))){
free_irq(c2k_gpio_to_irq(plat->gpio_flow_ctrl), cbp_flow_ctrl);
kfree(cbp_flow_ctrl);
}
if(plat->rst_ind_enable && (GPIO_C2K_VALID(plat->gpio_rst_ind))){
free_irq(c2k_gpio_to_irq(plat->gpio_rst_ind), cbp_rst_ind);
destroy_workqueue(cbp_rst_ind->reset_wq);
kfree(cbp_rst_ind);
}
destroy_workqueue(cbp_excp_ind->excp_wq);
kfree(cbp_excp_ind);
plat->cbp_destroy();
sysfs_remove_group(cbp_power_kobj, &g_power_attr_group);
kobject_put(cbp_power_kobj);
LOGPRT(LOG_INFO, " cbp removed on host %s, bus is %s!\n", plat->host_id, plat->bus);
return 0;
}
int c2k_gpio_set_irq_type(int gpio, unsigned int type)
{
int irq, level;
irq = c2k_gpio_to_irq(gpio);
if (irq < 0)
return irq;
level = c2k_gpio_get_value(gpio);
if (type == IRQ_TYPE_EDGE_BOTH) {
if (level)
type = IRQ_TYPE_EDGE_FALLING;
else
type = IRQ_TYPE_EDGE_RISING;
}
if (type == IRQ_TYPE_LEVEL_MASK) {
if (level)
type = IRQ_TYPE_LEVEL_LOW;
else
type = IRQ_TYPE_LEVEL_HIGH;
}
#ifndef CONFIG_EVDO_DT_VIA_SUPPORT
c2k_irq_set_type(irq, type);
#endif
#if defined(CONFIG_MTK_LEGACY)
mt_eint_set_hw_debounce(irq, 0);
switch (type) {
case IRQ_TYPE_EDGE_RISING:
mt_eint_set_sens(irq, MT_EDGE_SENSITIVE);
mt_eint_set_polarity(irq, MT_POLARITY_HIGH);
break;
case IRQ_TYPE_EDGE_FALLING:
mt_eint_set_sens(irq, MT_EDGE_SENSITIVE);
mt_eint_set_polarity(irq, MT_POLARITY_LOW);
break;
case IRQ_TYPE_LEVEL_HIGH:
mt_eint_set_sens(irq, MT_LEVEL_SENSITIVE);
mt_eint_set_polarity(irq, MT_POLARITY_HIGH);
break;
case IRQ_TYPE_LEVEL_LOW:
mt_eint_set_sens(irq, MT_LEVEL_SENSITIVE);
mt_eint_set_polarity(irq, MT_POLARITY_LOW);
break;
default:
return -EINVAL;
}
#else
gpio_set_debounce(gpio, 0);
irq_set_irq_type(irq, type);
#endif
/*pr_debug("[C2K]set irq(%d) type(%d) done\n", irq, type); */
return 0;
}
void c2k_gpio_irq_unmask(int gpio)
{
int irq;
irq = c2k_gpio_to_irq(gpio);
if(irq < 0){
return ;
}
mt_eint_unmask(irq);
}
void c2k_gpio_irq_unmask(int gpio)
{
int irq;
irq = c2k_gpio_to_irq(gpio);
if (irq < 0)
return;
#if defined(CONFIG_MTK_LEGACY)
mt_eint_unmask(irq);
#else
enable_irq(irq);
#endif
}
//static int __devinit cbp_probe(struct platform_device *pdev)
static int cbp_probe(struct platform_device *pdev)
{
struct cbp_platform_data *plat = pdev->dev.platform_data;
int ret = -1;
/* must have platform data */
if (!plat) {
LOGPRT(LOG_ERR, "%s: no platform data!\n", __func__);
ret = -EINVAL;
goto out;
}
#if 0
if(plat->bus && !strcmp(plat->bus,"sdio")){
if(plat->detect_host){
ret = plat->detect_host(plat->host_id);
if(ret){
LOGPRT(LOG_ERR, "%s: host %s dectect failed!\n", __func__, plat->host_id);
goto out;
}
}
else{
LOGPRT(LOG_ERR, "%s: bus %s have no dectect function!\n", __func__, plat->bus);
goto out;
}
}
else{
LOGPRT(LOG_ERR, "%s: unknow bus!\n", __func__);
goto out;
}
#endif
if(GPIO_C2K_VALID(plat->gpio_data_ack)){
cbp_data_ack = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_data_ack){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_data_ack failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_data_ack;
}
init_waitqueue_head(&cbp_data_ack->wait_q);
atomic_set(&cbp_data_ack->state, MODEM_ST_UNKNOW);
cbp_data_ack->wait_gpio = plat->gpio_data_ack;
cbp_data_ack->wait_polar = plat->gpio_data_ack_polar;
LOGPRT(LOG_ERR, "cbp_data_ack->wait_gpio=%d\n",cbp_data_ack->wait_gpio);
LOGPRT(LOG_ERR, "cbp_data_ack->wait_polar=%d\n",cbp_data_ack->wait_polar);
c2k_gpio_irq_mask(plat->gpio_data_ack);
c2k_gpio_direction_input_for_irq(plat->gpio_data_ack);
c2k_gpio_set_irq_type(plat->gpio_data_ack, IRQF_TRIGGER_FALLING);
ret = c2k_gpio_request_irq(plat->gpio_data_ack, gpio_irq_data_ack,
IRQF_SHARED | IRQF_TRIGGER_FALLING, DRIVER_NAME "(data_ack)", cbp_data_ack);
c2k_gpio_irq_unmask(plat->gpio_data_ack);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for data_ack!!\n", __func__, __LINE__);
goto err_req_irq_data_ack;
}
plat->cbp_data_ack = cbp_data_ack;
plat->data_ack_wait_event = data_ack_wait_event;
plat->data_ack_enable =true;
}
if(GPIO_C2K_VALID(plat->gpio_flow_ctrl)){
cbp_flow_ctrl = kzalloc(sizeof(struct cbp_wait_event), GFP_KERNEL);
if (!cbp_flow_ctrl){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_flow_ctrl failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_flow_ctrl;
}
init_waitqueue_head(&cbp_flow_ctrl->wait_q);
atomic_set(&cbp_flow_ctrl->state, FLOW_CTRL_DISABLE);
cbp_flow_ctrl->wait_gpio = plat->gpio_flow_ctrl;
cbp_flow_ctrl->wait_polar = plat->gpio_flow_ctrl_polar;
LOGPRT(LOG_ERR, "cbp_flow_ctrl->wait_gpio=%d\n",cbp_flow_ctrl->wait_gpio);
LOGPRT(LOG_ERR, "cbp_flow_ctrl->wait_polar=%d\n",cbp_flow_ctrl->wait_polar);
c2k_gpio_irq_mask(plat->gpio_flow_ctrl);
c2k_gpio_direction_input_for_irq(plat->gpio_flow_ctrl);
//c2k_gpio_set_irq_type(plat->gpio_flow_ctrl, IRQ_TYPE_LEVEL_LOW |IRQ_TYPE_LEVEL_HIGH);
c2k_gpio_set_irq_type(plat->gpio_flow_ctrl, IRQF_TRIGGER_FALLING);
ret = c2k_gpio_request_irq(plat->gpio_flow_ctrl, gpio_irq_flow_ctrl,
IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRIVER_NAME "(flow_ctrl)", cbp_flow_ctrl);
c2k_gpio_irq_unmask(plat->gpio_flow_ctrl);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for flow_ctrl!!\n", __func__, __LINE__);
goto err_req_irq_flow_ctrl;
}
plat->cbp_flow_ctrl= cbp_flow_ctrl;
plat->flow_ctrl_wait_event = flow_ctrl_wait_event;
plat->flow_ctrl_enable = true;
}
if(GPIO_C2K_VALID(plat->gpio_rst_ind)){
cbp_rst_ind = kzalloc(sizeof(struct cbp_reset), GFP_KERNEL);
if (!cbp_rst_ind){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_rst_ind failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_rst_ind;
}
cbp_rst_ind->name = "cbp_rst_ind_wq";
cbp_rst_ind->reset_wq = create_singlethread_workqueue(cbp_rst_ind->name);
if (cbp_rst_ind->reset_wq == NULL) {
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d error creat rst_ind_workqueue \n",__func__, __LINE__);
goto err_create_work_queue;
}
INIT_WORK(&cbp_rst_ind->reset_work, modem_detect);
cbp_rst_ind->rst_ind_gpio = plat->gpio_rst_ind;
cbp_rst_ind->rst_ind_polar = plat->gpio_rst_ind_polar;
cbp_rst_ind->host = NULL;
#if 0
c2k_gpio_irq_mask(plat->gpio_rst_ind);
c2k_gpio_direction_input_for_irq(plat->gpio_rst_ind);
c2k_gpio_set_irq_type(plat->gpio_rst_ind, IRQF_TRIGGER_FALLING |IRQF_TRIGGER_RISING);
ret = c2k_gpio_request_irq(plat->gpio_rst_ind, gpio_irq_cbp_rst_ind,
IRQF_SHARED |IRQF_TRIGGER_FALLING |IRQF_TRIGGER_RISING,
DRIVER_NAME "(rst_ind)", cbp_rst_ind);
c2k_gpio_irq_unmask(plat->gpio_rst_ind);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for rst_ind!!\n", __func__, __LINE__);
goto err_req_irq_rst_ind;
}
#endif
plat->rst_ind_enable = true;
}
cbp_excp_ind = kzalloc(sizeof(struct cbp_exception), GFP_KERNEL);
if (!cbp_excp_ind){
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d kzalloc cbp_rst_ind failed \n",__func__, __LINE__);
goto err_kzalloc_cbp_excp_ind;
}
cbp_excp_ind->name = "cbp_excp_ind_wq";
cbp_excp_ind->excp_wq = create_singlethread_workqueue(cbp_excp_ind->name);
if (cbp_excp_ind->excp_wq == NULL) {
ret = -ENOMEM;
LOGPRT(LOG_ERR, "%s %d error creat rst_ind_workqueue \n",__func__, __LINE__);
goto err_create_excp_work_queue;
}
//Todo: workqueue function need to be implemented
//INIT_WORK(&cbp_excp_ind->excp_work, modem_detect);
INIT_WORK(&cbp_excp_ind->excp_work, modem_detect_for_excp);
cbp_excp_ind->host = NULL;
#ifndef CONFIG_EVDO_DT_VIA_SUPPORT
if (GPIO_C2K_VALID(plat->gpio_cp_exception)){
cbp_excp_ind->excp_ind_gpio = plat->gpio_cp_exception;
c2k_gpio_irq_mask(plat->gpio_cp_exception);
c2k_gpio_set_irq_type(plat->gpio_cp_exception, IRQF_TRIGGER_FALLING);
ret = c2k_gpio_request_irq(plat->gpio_cp_exception, gpio_irq_cbp_excp_ind,
IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
DRIVER_NAME "(c2k EE)", cbp_excp_ind);
c2k_gpio_irq_unmask(plat->gpio_cp_exception);
if (ret < 0) {
LOGPRT(LOG_ERR, "%s: %d fail to request irq for flow_ctrl!!\n", __func__, __LINE__);
goto err_req_irq_excp;
}
}
plat->c2k_wdt_irq_id = get_c2k_wdt_irq_id();
LOGPRT(LOG_INFO, "get c2k wdt irq id %d\n", plat->c2k_wdt_irq_id);
#if 1
if (plat->c2k_wdt_irq_id)
ret = request_irq(plat->c2k_wdt_irq_id, c2k_wdt_isr, IRQF_TRIGGER_NONE, "C2K_CCCI", plat);
else
LOGPRT(LOG_ERR, "%s: %d fail to get wdt irq id!!\n", __func__, __LINE__);
#endif
#endif
if((GPIO_C2K_VALID(plat->gpio_ap_wkup_cp)) && (GPIO_C2K_VALID(plat->gpio_cp_ready)) &&
(GPIO_C2K_VALID(plat->gpio_cp_wkup_ap)) && (GPIO_C2K_VALID(plat->gpio_ap_ready))){
sdio_tx_handle.gpio_wake = plat->gpio_ap_wkup_cp;
sdio_tx_handle.gpio_ready = plat->gpio_cp_ready;
sdio_tx_handle.polar = plat->gpio_sync_polar;
ret = asc_tx_register_handle(&sdio_tx_handle);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_tx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_tx_add_user(sdio_tx_handle.name, &sdio_tx_user);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_tx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
sdio_rx_handle.gpio_wake = plat->gpio_cp_wkup_ap;
sdio_rx_handle.gpio_ready = plat->gpio_ap_ready;
sdio_rx_handle.polar = plat->gpio_sync_polar;
ret = asc_rx_register_handle(&sdio_rx_handle);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_rx_register_handle failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
ret = asc_rx_add_user(sdio_rx_handle.name, &sdio_rx_user);
if(ret){
LOGPRT(LOG_ERR, "%s %d asc_rx_add_user failed.\n",__FUNCTION__,__LINE__);
goto err_ipc;
}
plat->ipc_enable = true;
plat->tx_handle = &sdio_tx_handle;
}
ret = plat->cbp_setup(plat);
if(ret){
LOGPRT(LOG_ERR, "%s: host %s setup failed!\n", __func__, plat->host_id);
goto err_ipc;
}
cbp_power_kobj = c2k_kobject_add("power");
if (!cbp_power_kobj){
LOGPRT(LOG_ERR, "error c2k_kobject_add!\n");
ret = -ENOMEM;
goto err_create_kobj;
}
LOGPRT(LOG_INFO, " cbp initialized on host %s successfully, bus is %s !\n", plat->host_id, plat->bus);
return sysfs_create_group(cbp_power_kobj, &g_power_attr_group);
err_create_kobj:
plat->cbp_destroy();
err_ipc:
#if 0
if(GPIO_C2K_VALID(plat->gpio_rst_ind)){
free_irq(c2k_gpio_to_irq(plat->gpio_rst_ind), cbp_rst_ind);
}
err_req_irq_rst_ind:
if(GPIO_C2K_VALID(plat->gpio_rst_ind)){
}
#endif
#ifndef CONFIG_EVDO_DT_VIA_SUPPORT
err_req_irq_excp:
if(GPIO_C2K_VALID(plat->gpio_cp_exception)){
destroy_workqueue(cbp_excp_ind->excp_wq);
}
#endif
err_create_excp_work_queue:
kfree(cbp_excp_ind);
err_kzalloc_cbp_excp_ind:
if(GPIO_C2K_VALID(plat->gpio_rst_ind)){
destroy_workqueue(cbp_rst_ind->reset_wq);
}
err_create_work_queue:
if(GPIO_C2K_VALID(plat->gpio_rst_ind)){
kfree(cbp_rst_ind);
}
err_kzalloc_cbp_rst_ind:
if(GPIO_C2K_VALID(plat->gpio_flow_ctrl)){
free_irq(c2k_gpio_to_irq(plat->gpio_flow_ctrl), cbp_flow_ctrl);
}
err_req_irq_flow_ctrl:
if(GPIO_C2K_VALID(plat->gpio_flow_ctrl)){
kfree(cbp_flow_ctrl);
}
err_kzalloc_cbp_flow_ctrl:
if(GPIO_C2K_VALID(plat->gpio_data_ack)){
free_irq(c2k_gpio_to_irq(plat->gpio_data_ack), cbp_data_ack);
}
err_req_irq_data_ack:
if(GPIO_C2K_VALID(plat->gpio_data_ack)){
kfree(cbp_data_ack);
}
err_kzalloc_cbp_data_ack:
out:
return ret;
}
