static int mhl_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
pr_debug("%s:\n", __func__);
mhl_info = NULL;
isDiscoveryCalled = false;
notify_usb_online = NULL;
device_discovery_cb = NULL;
context_cb = NULL;
mhl_i2c_client = client;
mhl_info = kzalloc(sizeof(*mhl_info), GFP_KERNEL);
if (!mhl_info) {
pr_err("%s: FAILED: cannot alloc platform_switch\n", __func__);
rc = -ENOMEM;
goto failed_probe;
}
if (client->dev.of_node) {
rc = mhl_tx_get_dt_data(&client->dev);
if (rc) {
pr_err("%s:device tree error\n", __func__);
goto failed_probe;
}
rc = mhl_pf_gpio_config_init();
if (rc) {
pr_err("%s:device tree error\n", __func__);
goto failed_probe;
}
} else
pr_err("%s: dev.of_node is null\n", __func__);
mhl_info->notify = mhl_pf_switch_device_discovery;
if (msm_register_usb_ext_notification(mhl_info) != 0) {
pr_err("%s: register for usb notifcn failed\n", __func__);
rc = -EPROBE_DEFER;
goto failed_probe;
}
return 0;
failed_probe:
mhl_pf_swtich_resource_free();
return rc;
}
static int mhl_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
struct mhl_tx_platform_data *pdata = NULL;
struct mhl_tx_ctrl *mhl_ctrl;
struct usb_ext_notification *mhl_info = NULL;
struct msm_hdmi_mhl_ops *hdmi_mhl_ops = NULL;
mhl_ctrl = devm_kzalloc(&client->dev, sizeof(*mhl_ctrl), GFP_KERNEL);
if (!mhl_ctrl) {
pr_err("%s: FAILED: cannot alloc hdmi tx ctrl\n", __func__);
rc = -ENOMEM;
goto failed_no_mem;
}
if (client->dev.of_node) {
pdata = devm_kzalloc(&client->dev,
sizeof(struct mhl_tx_platform_data), GFP_KERNEL);
if (!pdata) {
dev_err(&client->dev, "Failed to allocate memory\n");
rc = -ENOMEM;
goto failed_no_mem;
}
rc = mhl_tx_get_dt_data(&client->dev, pdata);
if (rc) {
pr_err("%s: FAILED: parsing device tree data; rc=%d\n",
__func__, rc);
goto failed_dt_data;
}
mhl_ctrl->i2c_handle = client;
mhl_ctrl->pdata = pdata;
i2c_set_clientdata(client, mhl_ctrl);
}
/*
* Regulator init
*/
rc = mhl_vreg_config(mhl_ctrl, 1);
if (rc) {
pr_err("%s: vreg init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
/*
* GPIO init
*/
rc = mhl_gpio_config(mhl_ctrl, 1);
if (rc) {
pr_err("%s: gpio init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
/*
* Other initializations
* such tx specific
*/
mhl_ctrl->disc_enabled = false;
INIT_WORK(&mhl_ctrl->mhl_msc_send_work, mhl_msc_send_work);
mhl_ctrl->cur_state = POWER_STATE_D0_MHL;
INIT_LIST_HEAD(&mhl_ctrl->list_cmd);
init_completion(&mhl_ctrl->msc_cmd_done);
spin_lock_init(&mhl_ctrl->lock);
mhl_ctrl->msc_send_workqueue = create_singlethread_workqueue
("mhl_msc_cmd_queue");
mhl_ctrl->input = input_allocate_device();
if (mhl_ctrl->input) {
int i;
struct input_dev *input = mhl_ctrl->input;
mhl_ctrl->rcp_key_code_tbl = vmalloc(
sizeof(support_rcp_key_code_tbl));
if (!mhl_ctrl->rcp_key_code_tbl) {
pr_err("%s: no alloc mem for rcp keycode tbl\n",
__func__);
return -ENOMEM;
}
mhl_ctrl->rcp_key_code_tbl_len = sizeof(
support_rcp_key_code_tbl);
memcpy(mhl_ctrl->rcp_key_code_tbl,
&support_rcp_key_code_tbl[0],
mhl_ctrl->rcp_key_code_tbl_len);
input->phys = "cbus/input0";
input->id.bustype = BUS_VIRTUAL;
input->id.vendor = 0x1095;
input->id.product = 0x8334;
input->id.version = 0xA;
input->name = "mhl-rcp";
input->keycode = support_rcp_key_code_tbl;
input->keycodesize = sizeof(u16);
input->keycodemax = ARRAY_SIZE(support_rcp_key_code_tbl);
input->evbit[0] = EV_KEY;
for (i = 0; i < ARRAY_SIZE(support_rcp_key_code_tbl); i++) {
if (support_rcp_key_code_tbl[i] > 1)
input_set_capability(input, EV_KEY,
support_rcp_key_code_tbl[i]);
}
if (input_register_device(input) < 0) {
pr_warn("%s: failed to register input device\n",
__func__);
input_free_device(input);
mhl_ctrl->input = NULL;
}
}
rc = mhl_tx_chip_init(mhl_ctrl);
if (rc) {
pr_err("%s: tx chip init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
init_completion(&mhl_ctrl->rgnd_done);
pr_debug("%s: IRQ from GPIO INTR = %d\n",
__func__, mhl_ctrl->i2c_handle->irq);
pr_debug("%s: Driver name = [%s]\n", __func__,
client->dev.driver->name);
rc = request_threaded_irq(mhl_ctrl->i2c_handle->irq, NULL,
&mhl_tx_isr,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
client->dev.driver->name, mhl_ctrl);
if (rc) {
pr_err("request_threaded_irq failed, status: %d\n",
rc);
goto failed_probe;
} else {
pr_debug("request_threaded_irq succeeded\n");
}
mhl_ctrl->mhl_psy.name = "ext-vbus";
mhl_ctrl->mhl_psy.type = POWER_SUPPLY_TYPE_USB_DCP;
mhl_ctrl->mhl_psy.supplied_to = mhl_pm_power_supplied_to;
mhl_ctrl->mhl_psy.num_supplicants = ARRAY_SIZE(
mhl_pm_power_supplied_to);
mhl_ctrl->mhl_psy.properties = mhl_pm_power_props;
mhl_ctrl->mhl_psy.num_properties = ARRAY_SIZE(mhl_pm_power_props);
mhl_ctrl->mhl_psy.get_property = mhl_power_get_property;
mhl_ctrl->mhl_psy.set_property = mhl_power_set_property;
rc = power_supply_register(&client->dev, &mhl_ctrl->mhl_psy);
if (rc < 0) {
dev_err(&client->dev, "%s:power_supply_register ext_vbus_psy failed\n",
__func__);
goto failed_probe;
}
hdmi_mhl_ops = devm_kzalloc(&client->dev,
sizeof(struct msm_hdmi_mhl_ops),
GFP_KERNEL);
if (!hdmi_mhl_ops) {
pr_err("%s: alloc hdmi mhl ops failed\n", __func__);
rc = -ENOMEM;
goto failed_probe_pwr;
}
pr_debug("%s: i2c client addr is [%x]\n", __func__, client->addr);
if (mhl_ctrl->pdata->hdmi_pdev) {
rc = msm_hdmi_register_mhl(mhl_ctrl->pdata->hdmi_pdev,
hdmi_mhl_ops, mhl_ctrl);
if (rc) {
pr_err("%s: register with hdmi failed\n", __func__);
rc = -EPROBE_DEFER;
goto failed_probe_pwr;
}
}
if (!hdmi_mhl_ops || !hdmi_mhl_ops->tmds_enabled ||
!hdmi_mhl_ops->set_mhl_max_pclk) {
pr_err("%s: func ptr is NULL\n", __func__);
rc = -EINVAL;
goto failed_probe_pwr;
}
mhl_ctrl->hdmi_mhl_ops = hdmi_mhl_ops;
rc = hdmi_mhl_ops->set_mhl_max_pclk(
mhl_ctrl->pdata->hdmi_pdev, MAX_MHL_PCLK);
if (rc) {
pr_err("%s: can't set max mhl pclk\n", __func__);
goto failed_probe_pwr;
}
mhl_info = devm_kzalloc(&client->dev, sizeof(*mhl_info), GFP_KERNEL);
if (!mhl_info) {
pr_err("%s: alloc mhl info failed\n", __func__);
rc = -ENOMEM;
goto failed_probe_pwr;
}
mhl_info->ctxt = mhl_ctrl;
mhl_info->notify = mhl_sii_device_discovery;
if (msm_register_usb_ext_notification(mhl_info)) {
pr_err("%s: register for usb notifcn failed\n", __func__);
rc = -EPROBE_DEFER;
goto failed_probe_pwr;
}
mhl_ctrl->mhl_info = mhl_info;
mhl_register_msc(mhl_ctrl);
return 0;
failed_probe_pwr:
power_supply_unregister(&mhl_ctrl->mhl_psy);
failed_probe:
free_irq(mhl_ctrl->i2c_handle->irq, mhl_ctrl);
mhl_gpio_config(mhl_ctrl, 0);
mhl_vreg_config(mhl_ctrl, 0);
/* do not deep-free */
if (mhl_info)
devm_kfree(&client->dev, mhl_info);
failed_dt_data:
if (pdata)
devm_kfree(&client->dev, pdata);
failed_no_mem:
if (mhl_ctrl)
devm_kfree(&client->dev, mhl_ctrl);
mhl_info = NULL;
pdata = NULL;
mhl_ctrl = NULL;
pr_err("%s: PROBE FAILED, rc=%d\n", __func__, rc);
return rc;
}
static int mhl_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
struct mhl_tx_platform_data *pdata = NULL;
struct mhl_tx_ctrl *mhl_ctrl;
struct usb_ext_notification *mhl_info = NULL;
mhl_ctrl = devm_kzalloc(&client->dev, sizeof(*mhl_ctrl), GFP_KERNEL);
if (!mhl_ctrl) {
pr_err("%s: FAILED: cannot alloc hdmi tx ctrl\n", __func__);
rc = -ENOMEM;
goto failed_no_mem;
}
if (client->dev.of_node) {
pdata = devm_kzalloc(&client->dev,
sizeof(struct mhl_tx_platform_data), GFP_KERNEL);
if (!pdata) {
dev_err(&client->dev, "Failed to allocate memory\n");
rc = -ENOMEM;
goto failed_no_mem;
}
rc = mhl_tx_get_dt_data(&client->dev, pdata);
if (rc) {
pr_err("%s: FAILED: parsing device tree data; rc=%d\n",
__func__, rc);
goto failed_dt_data;
}
mhl_ctrl->i2c_handle = client;
mhl_ctrl->pdata = pdata;
i2c_set_clientdata(client, mhl_ctrl);
}
/*
* Regulator init
*/
rc = mhl_vreg_config(mhl_ctrl, 1);
if (rc) {
pr_err("%s: vreg init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
/*
* GPIO init
*/
rc = mhl_gpio_config(mhl_ctrl, 1);
if (rc) {
pr_err("%s: gpio init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
/*
* Other initializations
* such tx specific
*/
mhl_ctrl->disc_enabled = false;
rc = mhl_tx_chip_init(mhl_ctrl);
if (rc) {
pr_err("%s: tx chip init failed [%d]\n",
__func__, rc);
goto failed_probe;
}
init_completion(&mhl_ctrl->rgnd_done);
pr_debug("%s: IRQ from GPIO INTR = %d\n",
__func__, mhl_ctrl->i2c_handle->irq);
pr_debug("%s: Driver name = [%s]\n", __func__,
client->dev.driver->name);
rc = request_threaded_irq(mhl_ctrl->i2c_handle->irq, NULL,
&mhl_tx_isr,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
client->dev.driver->name, mhl_ctrl);
if (rc) {
pr_err("request_threaded_irq failed, status: %d\n",
rc);
goto failed_probe;
} else {
pr_debug("request_threaded_irq succeeded\n");
}
mhl_ctrl->mhl_psy.name = "ext-vbus";
mhl_ctrl->mhl_psy.type = POWER_SUPPLY_TYPE_USB_DCP;
mhl_ctrl->mhl_psy.supplied_to = mhl_pm_power_supplied_to;
mhl_ctrl->mhl_psy.num_supplicants = ARRAY_SIZE(
mhl_pm_power_supplied_to);
mhl_ctrl->mhl_psy.properties = mhl_pm_power_props;
mhl_ctrl->mhl_psy.num_properties = ARRAY_SIZE(mhl_pm_power_props);
mhl_ctrl->mhl_psy.get_property = mhl_power_get_property;
mhl_ctrl->mhl_psy.set_property = mhl_power_set_property;
rc = power_supply_register(&client->dev, &mhl_ctrl->mhl_psy);
if (rc < 0) {
dev_err(&client->dev, "%s:power_supply_register ext_vbus_psy failed\n",
__func__);
goto failed_probe;
}
pr_debug("%s: i2c client addr is [%x]\n", __func__, client->addr);
mhl_info = devm_kzalloc(&client->dev, sizeof(*mhl_info), GFP_KERNEL);
if (!mhl_info) {
pr_err("%s: alloc mhl info failed\n", __func__);
goto failed_probe;
}
mhl_info->ctxt = mhl_ctrl;
mhl_info->notify = mhl_sii_device_discovery;
if (msm_register_usb_ext_notification(mhl_info)) {
pr_err("%s: register for usb notifcn failed\n", __func__);
goto failed_probe;
}
mhl_ctrl->mhl_info = mhl_info;
return 0;
failed_probe:
mhl_gpio_config(mhl_ctrl, 0);
mhl_vreg_config(mhl_ctrl, 0);
/* do not deep-free */
if (mhl_info)
devm_kfree(&client->dev, mhl_info);
failed_dt_data:
if (pdata)
devm_kfree(&client->dev, pdata);
failed_no_mem:
if (mhl_ctrl)
devm_kfree(&client->dev, mhl_ctrl);
pr_err("%s: PROBE FAILED, rc=%d\n", __func__, rc);
return rc;
}