static int hdmi_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s5p_hdmi_platdata *pdata = pdev->dev.platform_data;
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
int ret = 0;
dev_dbg(dev, "%s start\n", __func__);
/* HDMI PHY power off
* HDMI PHY is on as default configuration
* So, HDMI PHY must be turned off if it's not used */
if (pdata->hdmiphy_enable)
pdata->hdmiphy_enable(pdev, 1);
ret = v4l2_subdev_call(hdev->phy_sd, core, s_power, 0);
if (ret)
dev_err(dev, "failed to turn off hdmiphy\n");
if (pdata->hdmiphy_enable)
pdata->hdmiphy_enable(pdev, 0);
return ret;
}
static int hdmi_s_power(struct v4l2_subdev *sd, int on)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
int ret = 0;
/* If runtime PM is not implemented, hdmi_runtime_resume
* and hdmi_runtime_suspend functions are directly called.
*/
if (on) {
#ifdef CONFIG_PM_RUNTIME
ret = pm_runtime_get_sync(hdev->dev);
#else
hdmi_runtime_resume(hdev->dev);
#endif
} else {
#ifdef CONFIG_PM_RUNTIME
ret = pm_runtime_put_sync(hdev->dev);
#else
hdmi_runtime_suspend(hdev->dev);
#endif
}
/* only values < 0 indicate errors */
return IS_ERR_VALUE(ret) ? ret : 0;
}
int hdmi_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
switch (ctrl->id) {
case V4L2_CID_TV_GET_DVI_MODE:
ctrl->value = hdev->dvi_mode;
break;
case V4L2_CID_TV_HPD_STATUS:
ctrl->value = switch_get_state(&hdev->hpd_switch);
break;
case V4L2_CID_TV_HDMI_STATUS:
ctrl->value = (hdev->streaming |
switch_get_state(&hdev->hpd_switch));
break;
case V4L2_CID_TV_MAX_AUDIO_CHANNELS:
ctrl->value = edid_max_audio_channels(hdev);
break;
case V4L2_CID_TV_SOURCE_PHY_ADDR:
ctrl->value = edid_source_phy_addr(hdev);
break;
default:
dev_err(dev, "invalid control id\n");
return -EINVAL;
}
return 0;
}
static int hdmi_runtime_resume(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
int ret = 0;
dev_dbg(dev, "%s\n", __func__);
hdmi_resource_poweron(&hdev->res);
hdmi_phy_sw_reset(hdev);
ret = v4l2_subdev_call(hdev->phy_sd, core, s_power, 1);
if (ret) {
dev_err(dev, "failed to turn on hdmiphy\n");
goto fail;
}
ret = hdmi_conf_apply(hdev);
if (ret)
goto fail;
dev_dbg(dev, "poweron succeed\n");
return 0;
fail:
clk_disable(res->sclk_hdmi);
v4l2_subdev_call(hdev->phy_sd, core, s_power, 0);
clk_disable(res->hdmiphy);
dev_err(dev, "poweron failed\n");
return ret;
}
static int hdmi_g_dv_preset(struct v4l2_subdev *sd,
struct v4l2_dv_preset *preset)
{
memset(preset, 0, sizeof(*preset));
preset->preset = sd_to_hdmi_dev(sd)->cur_preset;
return 0;
}
static int hdmi_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s5p_hdmi_platdata *pdata = pdev->dev.platform_data;
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
dev_dbg(dev, "%s\n", __func__);
if (hdev->probe_state == HDMI_PROBING) {
hdev->probe_state = HDMI_PROBED;
return 0;
}
/* HDMI PHY off sequence
* LINK off -> PHY off -> HDMI_PHY_CONTROL disable */
if (is_ip_ver_5a || is_ip_ver_5s)
hdmiphy_set_power(hdev, 0);
/* turn clocks off */
clk_disable(res->sclk_hdmi);
if (is_ip_ver_5g)
v4l2_subdev_call(hdev->phy_sd, core, s_power, 0);
/* power-off hdmiphy */
if (pdata->hdmiphy_enable)
pdata->hdmiphy_enable(pdev, 0);
return 0;
}
static int hdmi_s_power(struct v4l2_subdev *sd, int on)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
/* If runtime PM is not implemented, hdmi_runtime_resume
* and hdmi_runtime_suspend functions are directly called.
*/
#ifdef CONFIG_PM_RUNTIME
int ret;
if (on) {
clk_enable(hdev->res.hdmi);
hdmi_hpd_enable(hdev, 1);
ret = pm_runtime_get_sync(hdev->dev);
set_internal_hpd_int(hdev);
} else {
hdmi_hpd_enable(hdev, 0);
set_external_hpd_int(hdev);
ret = pm_runtime_put_sync(hdev->dev);
clk_disable(hdev->res.hdmi);
}
/* only values < 0 indicate errors */
return IS_ERR_VALUE(ret) ? ret : 0;
#else
if (on)
hdmi_runtime_resume(hdev->dev);
else
hdmi_runtime_suspend(hdev->dev);
return 0;
#endif
}
int hdmi_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
dev_info(dev, "S_CTRL is not applied yet.\n");
return 0;
}
int hdmi_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
int ret = 0;
dev_dbg(dev, "%s start\n", __func__);
switch (ctrl->id) {
case V4L2_CID_TV_SET_DVI_MODE:
hdev->dvi_mode = ctrl->value;
break;
case V4L2_CID_TV_SET_ASPECT_RATIO:
hdev->aspect = ctrl->value;
break;
case V4L2_CID_TV_ENABLE_HDMI_AUDIO:
mutex_lock(&hdev->mutex);
hdev->audio_enable = !!ctrl->value;
if (is_hdmi_streaming(hdev)) {
hdmi_set_infoframe(hdev);
hdmi_audio_enable(hdev, hdev->audio_enable);
}
mutex_unlock(&hdev->mutex);
break;
case V4L2_CID_TV_SET_NUM_CHANNELS:
mutex_lock(&hdev->mutex);
hdmi_audio_information(hdev, ctrl->value);
if (is_hdmi_streaming(hdev)) {
hdmi_audio_enable(hdev, 0);
hdmi_set_infoframe(hdev);
hdmi_reg_i2s_audio_init(hdev);
hdmi_audio_enable(hdev, 1);
}
mutex_unlock(&hdev->mutex);
break;
case V4L2_CID_TV_SET_COLOR_RANGE:
hdev->color_range = ctrl->value;
break;
case V4L2_CID_TV_HDCP_ENABLE:
hdev->hdcp_info.hdcp_enable = ctrl->value;
dev_dbg(hdev->dev, "HDCP %s\n",
ctrl->value ? "enable" : "disable");
#ifdef CONFIG_SEC_MHL_HDCP
hdev->hdcp_info.hdcp_enable = false;
/*MHL8240 control the HDCP*/
dev_dbg(hdev->dev, "MHL control the HDCP\n");
#endif
break;
default:
dev_err(dev, "invalid control id\n");
ret = -EINVAL;
break;
}
return ret;
}
static int hdmi_s_stream(struct v4l2_subdev *sd, int enable)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
//dev_dbg(dev, "%s(%d)\n", __func__, enable);
if (enable)
return hdmi_streamon(hdev);
return hdmi_streamoff(hdev);
}
static int hdmi_enum_dv_presets(struct v4l2_subdev *sd,
struct v4l2_dv_enum_preset *enum_preset)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
u32 preset = edid_enum_presets(hdev, enum_preset->index);
if (preset == V4L2_DV_INVALID)
return -EINVAL;
return v4l_fill_dv_preset_info(preset, enum_preset);
}
int hdmi_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
int ret = 0;
dev_dbg(dev, "%s start\n", __func__);
switch (ctrl->id) {
case V4L2_CID_TV_SET_DVI_MODE:
hdev->dvi_mode = ctrl->value;
break;
case V4L2_CID_TV_SET_ASPECT_RATIO:
hdev->aspect = ctrl->value;
break;
case V4L2_CID_TV_ENABLE_HDMI_AUDIO:
mutex_lock(&hdev->mutex);
hdev->audio_enable = !!ctrl->value;
if (is_hdmi_streaming(hdev)) {
hdmi_set_infoframe(hdev);
hdmi_audio_enable(hdev, hdev->audio_enable);
}
mutex_unlock(&hdev->mutex);
break;
case V4L2_CID_TV_SET_NUM_CHANNELS:
mutex_lock(&hdev->mutex);
if ((ctrl->value == 2) || (ctrl->value == 6) ||
(ctrl->value == 8)) {
hdev->audio_channel_count = ctrl->value;
} else {
dev_err(dev, "invalid channel count\n");
hdev->audio_channel_count = 2;
}
if (is_hdmi_streaming(hdev))
hdmi_set_infoframe(hdev);
mutex_unlock(&hdev->mutex);
break;
case V4L2_CID_TV_SET_COLOR_RANGE:
hdev->color_range = ctrl->value;
break;
case V4L2_CID_TV_HDCP_ENABLE:
hdev->hdcp_info.hdcp_enable = ctrl->value;
dev_dbg(hdev->dev, "HDCP %s\n",
ctrl->value ? "enable" : "disable");
break;
default:
dev_err(dev, "invalid control id\n");
ret = -EINVAL;
break;
}
return ret;
}
static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
dev_dbg(dev, "%s\n", __func__);
if (!hdev->cur_conf)
return -EINVAL;
*fmt = hdev->cur_conf->mbus_fmt;
return 0;
}
static int hdmi_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s5p_hdmi_platdata *pdata = pdev->dev.platform_data;
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
int ret = 0;
dev_dbg(dev, "%s\n", __func__);
if (hdev->probe_state == HDMI_PROBING)
return 0;
/* power-on hdmiphy */
if (pdata->hdmiphy_enable)
pdata->hdmiphy_enable(pdev, 1);
clk_enable(res->sclk_hdmi);
if (is_ip_ver_5a || is_ip_ver_5s) {
hdmiphy_set_power(hdev, 1);
} else {
ret = v4l2_subdev_call(hdev->phy_sd, core, s_power, 1);
if (ret) {
dev_err(dev, "failed to turn on hdmiphy\n");
goto fail;
}
}
hdmi_sw_reset(hdev);
hdmi_phy_sw_reset(hdev);
ret = hdmi_conf_apply(hdev);
if (ret)
goto fail;
dev_dbg(dev, "poweron succeed\n");
return 0;
fail:
clk_disable(res->sclk_hdmi);
v4l2_subdev_call(hdev->phy_sd, core, s_power, 0);
if (pdata->hdmiphy_enable)
pdata->hdmiphy_enable(pdev, 0);
dev_err(dev, "poweron failed\n");
return ret;
}
static int hdmi_s_mbus_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
dev_dbg(dev, "%s\n", __func__);
if (fmt->code == V4L2_MBUS_FMT_YUV8_1X24)
hdev->output_fmt = HDMI_OUTPUT_YUV444;
else
hdev->output_fmt = HDMI_OUTPUT_RGB888;
return 0;
}
static int hdmi_s_power(struct v4l2_subdev *sd, int on)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
int ret = 0;
/* If runtime PM is not implemented, hdmi_runtime_resume
* and hdmi_runtime_suspend functions are directly called.
*/
if (on) {
clk_enable(hdev->res.hdmi);
#ifdef CONFIG_PM_RUNTIME
ret = pm_runtime_get_sync(hdev->dev);
#else
hdmi_runtime_resume(hdev->dev);
#endif
disable_irq(hdev->ext_irq);
cancel_delayed_work_sync(&hdev->hpd_work_ext);
s5p_v4l2_int_src_hdmi_hpd();
hdmi_hpd_enable(hdev, 1);
hdmi_hpd_clear_int(hdev);
enable_irq(hdev->int_irq);
dev_info(hdev->dev, "HDMI interrupt changed to internal\n");
} else {
cancel_work_sync(&hdev->work);
hdmi_hpd_enable(hdev, 0);
disable_irq(hdev->int_irq);
cancel_work_sync(&hdev->hpd_work);
s5p_v4l2_int_src_ext_hpd();
enable_irq(hdev->ext_irq);
dev_info(hdev->dev, "HDMI interrupt changed to external\n");
#ifdef CONFIG_PM_RUNTIME
ret = pm_runtime_put_sync(hdev->dev);
#else
hdmi_runtime_suspend(hdev->dev);
#endif
clk_disable(hdev->res.hdmi);
}
/* only values < 0 indicate errors */
return IS_ERR_VALUE(ret) ? ret : 0;
}
int hdmi_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
if (!pm_runtime_suspended(hdev->dev) && !hdev->hpd_user_checked)
ctrl->value = hdmi_hpd_status(hdev);
else
ctrl->value = atomic_read(&hdev->hpd_state);
dev_dbg(dev, "HDMI cable is %s\n", ctrl->value ?
"connected" : "disconnected");
return 0;
}
static int hdmi_s_dv_preset(struct v4l2_subdev *sd,
struct v4l2_dv_preset *preset)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
const struct hdmi_preset_conf *conf;
conf = hdmi_preset2conf(preset->preset);
if (conf == NULL) {
dev_err(dev, "preset (%u) not supported\n", preset->preset);
return -EINVAL;
}
hdev->cur_conf = conf;
hdev->cur_preset = preset->preset;
return 0;
}
static int __devexit hdmi_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdmi_dev = sd_to_hdmi_dev(sd);
pm_runtime_disable(dev);
clk_disable(hdmi_dev->res.hdmi);
v4l2_device_unregister(&hdmi_dev->v4l2_dev);
disable_irq(hdmi_dev->curr_irq);
free_irq(hdmi_dev->curr_irq, hdmi_dev);
iounmap(hdmi_dev->regs);
hdmi_resources_cleanup(hdmi_dev);
flush_workqueue(hdmi_dev->hdcp_wq);
destroy_workqueue(hdmi_dev->hdcp_wq);
kfree(hdmi_dev);
dev_info(dev, "remove sucessful\n");
return 0;
}
static int hdmi_runtime_suspend(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
dev_dbg(dev, "%s\n", __func__);
/* HDMI PHY off sequence
* LINK off -> PHY off -> HDMI_PHY_CONTROL disable */
/* turn clocks off */
clk_disable(res->sclk_hdmi);
v4l2_subdev_call(hdev->phy_sd, core, s_power, 0);
/* power-off hdmiphy */
clk_disable(res->hdmiphy);
return 0;
}
static int hdmi_s_dv_timings(struct v4l2_subdev *sd,
struct v4l2_dv_timings *timings)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
hdev->cur_conf = hdmi_timing2conf(timings);
if (hdev->cur_conf == NULL) {
dev_err(dev, "timings not supported\n");
return -EINVAL;
}
hdev->cur_timings = *timings;
if (hdev->streaming == HDMI_STREAMING) {
hdmi_streamoff(hdev);
hdmi_s_power(sd, 0);
hdev->streaming = HDMI_STOP;
}
return 0;
}
static int hdmi_runtime_resume(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
int ret = 0;
dev_dbg(dev, "%s\n", __func__);
hdmiphy_set_isolation(hdev, 1);
hdmiphy_set_conf(hdev, 1);
clk_prepare_enable(res->hdmiphy);
clk_prepare_enable(res->hdmi);
hdmiphy_set_power(hdev, 1);
hdmi_clock_set(hdev, 1);
hdmi_sw_reset(hdev);
hdmi_phy_sw_reset(hdev);
ret = hdmi_conf_apply(hdev);
if (ret)
goto fail;
dev_dbg(dev, "poweron succeed\n");
return 0;
fail:
clk_disable_unprepare(res->hdmi);
clk_disable_unprepare(res->hdmiphy);
hdmiphy_set_isolation(hdev, 0);
dev_err(dev, "poweron failed\n");
return ret;
}
static int hdmi_s_dv_preset(struct v4l2_subdev *sd,
struct v4l2_dv_preset *preset)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
const struct hdmi_preset_conf *conf;
conf = hdmi_preset2conf(preset->preset);
if (conf == NULL) {
dev_err(dev, "preset (%u) not supported\n", preset->preset);
return -EINVAL;
}
hdev->cur_conf = conf;
hdev->cur_preset = preset->preset;
if (hdev->streaming == HDMI_STREAMING) {
hdmi_streamoff(hdev);
hdmi_s_power(sd, 0);
hdev->streaming = HDMI_STOP;
}
return 0;
}
static int hdmi_runtime_suspend(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct hdmi_resources *res = &hdev->res;
dev_dbg(dev, "%s\n", __func__);
hdmi_clock_set(hdev, 0);
/* HDMI PHY off sequence
* LINK off -> PHY off -> isolation disable */
hdmiphy_set_power(hdev, 0);
/* turn clocks off */
clk_disable_unprepare(res->hdmi);
clk_disable_unprepare(res->hdmiphy);
hdmiphy_set_conf(hdev, 0);
hdmiphy_set_isolation(hdev, 0);
return 0;
}
int hdmi_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
struct device *dev = hdev->dev;
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_TV_HPD_STATUS:
ctrl->value = switch_get_state(&hdev->hpd_switch);
break;
case V4L2_CID_TV_GET_DVI_MODE:
ctrl->value = hdev->dvi_mode;
break;
case V4L2_CID_TV_MAX_AUDIO_CHANNELS:
ctrl->value = edid_max_audio_channels(hdev);
break;
default:
dev_err(dev, "invalid control id\n");
ret = -EINVAL;
break;
}
return ret;
}
static int hdmi_g_dv_timings(struct v4l2_subdev *sd,
struct v4l2_dv_timings *timings)
{
*timings = sd_to_hdmi_dev(sd)->cur_timings;
return 0;
}