static int asuspec_chip_init(struct i2c_client *client)
{
int ret_val = 0;
int i = 0;
ec_chip->op_mode = 0;
for ( i = 0; i < 10; i++){
ret_val = asuspec_i2c_test(client);
if (ret_val < 0)
msleep(300);
else
break;
}
if(ret_val < 0){
goto fail_to_access_ec;
}
for ( i=0; i<8; i++){
asuspec_i2c_read_data(client);
}
if (asuspec_dockram_read_data(0x01) < 0){
goto fail_to_access_ec;
}
strcpy(ec_chip->ec_model_name, &ec_chip->i2c_dm_data[1]);
ASUSPEC_NOTICE("Model Name: %s\n", ec_chip->ec_model_name);
if (asuspec_dockram_read_data(0x02) < 0){
goto fail_to_access_ec;
}
strcpy(ec_chip->ec_version, &ec_chip->i2c_dm_data[1]);
ASUSPEC_NOTICE("EC-FW Version: %s\n", ec_chip->ec_version);
if (asuspec_dockram_read_data(0x03) < 0){
goto fail_to_access_ec;
}
ASUSPEC_INFO("EC-Config Format: %s\n", &ec_chip->i2c_dm_data[1]);
if (asuspec_dockram_read_data(0x04) < 0){
goto fail_to_access_ec;
}
strcpy(ec_chip->ec_pcba, &ec_chip->i2c_dm_data[1]);
ASUSPEC_NOTICE("PCBA Version: %s\n", ec_chip->ec_pcba);
if(factory_mode == 2)
asuspec_enter_factory_mode();
else
asuspec_enter_normal_mode();
ec_chip->status = 1;
switch_set_state(&ec_chip->pad_sdev, !ec_chip->pad_sdev.state);
fail_to_access_ec:
return 0;
}
static void asuspec_smi(void){
if (ec_chip->i2c_data[2] == ASUSPEC_SMI_HANDSHAKING){
ASUSPEC_NOTICE("ASUSPEC_SMI_HANDSHAKING\n");
if(ec_chip->status == 0){
asuspec_chip_init(ec_chip->client);
}
ec_chip->ec_in_s3 = 0;
} else if (ec_chip->i2c_data[2] == ASUSPEC_SMI_RESET){
ASUSPEC_NOTICE("ASUSPEC_SMI_RESET\n");
queue_delayed_work(asuspec_wq, &ec_chip->asuspec_init_work, 0);
} else if (ec_chip->i2c_data[2] == ASUSPEC_SMI_WAKE){
ASUSPEC_NOTICE("ASUSPEC_SMI_WAKE\n");
}
}
/*
* functions definition
*/
int asuspec_audio_recording(int record_enable){
if (record_enable)
asuspec_send_ec_req();
ec_chip->audio_recording = record_enable;
ASUSPEC_NOTICE("audio_recording = %d\n", ec_chip->audio_recording);
return 0;
}
static void asuspec_enter_s3_work_function(struct work_struct *dat)
{
int ret_val = 0;
int i = 0;
mutex_lock(&ec_chip->state_change_lock);
if (ec_chip->op_mode){
ASUSPEC_ERR("It's not allowed to access dockram under FW update mode.\n");
mutex_unlock(&ec_chip->state_change_lock);
return ;
}
if (ec_chip->pad_pid == TEGRA3_PROJECT_P1801)
asuspec_storage_info_update();
ec_chip->ec_in_s3 = 1;
for ( i = 0; i < 3; i++ ){
ret_val = asuspec_dockram_read_data(0x0A);
if (ret_val < 0){
ASUSPEC_ERR("fail to get control flag\n");
msleep(100);
}
else
break;
}
ec_chip->i2c_dm_data[0] = 8;
ec_chip->i2c_dm_data[5] = ec_chip->i2c_dm_data[5] | 0x02;
for ( i = 0; i < 3; i++ ){
ret_val = asuspec_dockram_write_data(0x0A,9);
if (ret_val < 0){
ASUSPEC_ERR("Send s3 command fail\n");
msleep(100);
}
else {
ASUSPEC_NOTICE("EC in S3\n");
break;
}
}
mutex_unlock(&ec_chip->state_change_lock);
}
static void asuspec_work_function(struct work_struct *dat)
{
int gpio = asuspec_apwake_gpio;
int irq = gpio_to_irq(gpio);
int ret_val = 0;
ret_val = asuspec_i2c_read_data(ec_chip->client);
enable_irq(irq);
ASUSPEC_NOTICE("0x%x 0x%x 0x%x 0x%x\n", ec_chip->i2c_data[0],
ec_chip->i2c_data[1], ec_chip->i2c_data[2], ec_chip->i2c_data[3]);
if (ret_val < 0){
return ;
}
if (ec_chip->i2c_data[1] & ASUSPEC_OBF_MASK){
if (ec_chip->i2c_data[1] & ASUSPEC_SMI_MASK){
asuspec_smi();
return ;
}
}
}
static void asuspec_smi(void){
if (ec_chip->i2c_data[2] == ASUSPEC_SMI_HANDSHAKING){
ASUSPEC_NOTICE("ASUSPEC_SMI_HANDSHAKING\n");
if(ec_chip->status == 0){
asuspec_chip_init(ec_chip->client);
}
ec_chip->ec_in_s3 = 0;
} else if (ec_chip->i2c_data[2] == ASUSPEC_SMI_RESET){
ASUSPEC_NOTICE("ASUSPEC_SMI_RESET\n");
queue_delayed_work(asuspec_wq, &ec_chip->asuspec_init_work, 0);
} else if (ec_chip->i2c_data[2] == ASUSPEC_SMI_WAKE){
ASUSPEC_NOTICE("ASUSPEC_SMI_WAKE\n");
} else if (ec_chip->i2c_data[2] == APOWER_SMI_S5){
ASUSPEC_NOTICE("APOWER_POWEROFF\n");
asuspec_switch_apower_state(APOWER_POWEROFF);
} else if (ec_chip->i2c_data[2] == APOWER_SMI_NOTIFY_SHUTDOWN){
ASUSPEC_NOTICE("APOWER_NOTIFY_SHUTDOWN\n");
asuspec_switch_apower_state(APOWER_NOTIFY_SHUTDOWN);
} else if (ec_chip->i2c_data[2] == APOWER_SMI_RESUME){
ASUSPEC_NOTICE("APOWER_SMI_RESUME\n");
asuspec_switch_apower_state(APOWER_RESUME);
}
}
static void asuspec_send_ec_req(void){
ASUSPEC_NOTICE("send EC_Request\n");
gpio_set_value(asuspec_ecreq_gpio, 0);
msleep(DELAY_TIME_MS);
gpio_set_value(asuspec_ecreq_gpio, 1);
}
