static int vo_release(int layer, struct file *filp)
{
if (s5p_grp_stop(layer) == false)
return -EINVAL;
return 0;
}
/* start overlay * */
static int s5p_tv_v4l2_overlay(struct file *file, void *fh, unsigned int i)
{
struct s5p_tv_vo *layer = (struct s5p_tv_vo *)fh;
int start = i;
V4L2PRINTK("(0x%08x)++\n", i);
/*
* tv dirver is on suspend mode
* Just set the status variable on this function
* overlay will be enabled or disabled on resume or
* handle_cable function according to this status variable
*/
if (g_s5ptv_status.suspend_status == true || !(g_s5ptv_status.hpd_status)) {
if (start)
g_s5ptv_status.grp_layer_enable[layer->index] = true;
else
g_s5ptv_status.grp_layer_enable[layer->index] = false;
V4L2PRINTK("()it's on suspend mode or hdmi cable is not inserted--\n");
} else {
if (start)
s5p_grp_start(layer->index);
else
s5p_grp_stop(layer->index);
}
V4L2PRINTK("()--\n");
return 0;
}
void s5p_tv_early_suspend(struct early_suspend *h)
{
BASEPRINTK("(hpd_status = %d)++\n", g_s5ptv_status.hpd_status);
mutex_lock(g_mutex_for_fo);
g_s5ptv_status.suspend_status = true;
if (g_s5ptv_status.hpd_status == true) {
/* video layer stop */
if (g_s5ptv_status.vp_layer_enable) {
s5p_vlayer_stop();
g_s5ptv_status.vp_layer_enable = true;
}
/* grp0 layer stop */
if (g_s5ptv_status.grp_layer_enable[VM_GPR0_LAYER]) {
s5p_grp_stop(VM_GPR0_LAYER);
g_s5ptv_status.grp_layer_enable[VM_GPR0_LAYER] = true;
}
/* grp1 layer stop */
if (g_s5ptv_status.grp_layer_enable[VM_GPR1_LAYER]) {
s5p_grp_stop(VM_GPR1_LAYER);
g_s5ptv_status.grp_layer_enable[VM_GPR1_LAYER] = true;
}
/* tv off */
if (g_s5ptv_status.tvout_output_enable) {
s5p_tv_if_stop();
g_s5ptv_status.tvout_output_enable = true;
g_s5ptv_status.tvout_param_available = true;
}
/* clk & power off */
s5p_tv_base_clk_gate(false);
if (g_s5ptv_status.tvout_param.out_mode == TVOUT_OUTPUT_HDMI ||
g_s5ptv_status.tvout_param.out_mode == TVOUT_OUTPUT_HDMI_RGB)
s5p_tv_base_phy_power(false);
}
mutex_unlock(g_mutex_for_fo);
BASEPRINTK("()--\n");
return;
}
static int s5p_tv_v4l2_streamoff(struct file *file, void *fh,
enum v4l2_buf_type i)
{
struct s5p_tv_vo *layer = (struct s5p_tv_vo *)fh;
V4L2PRINTK("(0x%08x)++\n", i);
/* tv driver is on suspend mode or hdmi cable is not inserted
* Each layer was disabled on suspend function already.
* Just set the status variable on this function
* Each layer will be enabled or disabled on resume or
* handle_cable function according to this status variable
*/
if (g_s5ptv_status.suspend_status == true || !(g_s5ptv_status.hpd_status)) {
switch (i) {
/* Vlayer */
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
g_s5ptv_status.vp_layer_enable = false;
break;
/* GRP0/1 */
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
g_s5ptv_status.grp_layer_enable[layer->index] = false;
break;
default:
break;
}
V4L2PRINTK("()it's on suspend mode or hdmi cable is not inserted--\n");
return 0;
}
switch (i) {
/* Vlayer */
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
s5p_vlayer_stop();
break;
/* GRP0/1 */
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
s5p_grp_stop(layer->index);
break;
default:
break;
}
V4L2PRINTK("()--\n");
return 0;
}
void s5p_tv_base_handle_cable(void)
{
char env_buf[120];
char *envp[2];
int env_offset = 0;
bool previous_hpd_status = g_s5ptv_status.hpd_status;
#ifdef CONFIG_HDMI_HPD
#else
return;
#endif
switch (g_s5ptv_status.tvout_param.out_mode) {
case TVOUT_OUTPUT_HDMI:
case TVOUT_OUTPUT_HDMI_RGB:
case TVOUT_OUTPUT_DVI:
break;
default:
return;
}
g_s5ptv_status.hpd_status = s5p_hpd_get_state();
if (previous_hpd_status == g_s5ptv_status.hpd_status) {
pr_err("same hpd_status value: %d\n", previous_hpd_status);
return;
}
memset(env_buf, 0, sizeof(env_buf));
if (g_s5ptv_status.hpd_status == true) {
BASEPRINTK("\n hdmi cable is connected\n");
sprintf(env_buf, "HDMI_STATE=online");
envp[env_offset++] = env_buf;
envp[env_offset] = NULL;
s5p_set_qos();
if (g_s5ptv_status.suspend_status) {
kobject_uevent_env(&(s5p_tvout[0].dev.kobj), KOBJ_CHANGE, envp);
return;
}
#ifdef CONFIG_PM
s5p_tv_base_clk_gate(true);
s5p_tv_base_phy_power(true);
#endif
/* tv on */
if (g_s5ptv_status.tvout_output_enable)
s5p_tv_if_start();
/* video layer start */
if (g_s5ptv_status.vp_layer_enable)
s5p_vlayer_start();
/* grp0 layer start */
if (g_s5ptv_status.grp_layer_enable[VM_GPR0_LAYER])
s5p_grp_start(VM_GPR0_LAYER);
/* grp1 layer start */
if (g_s5ptv_status.grp_layer_enable[VM_GPR1_LAYER])
s5p_grp_start(VM_GPR1_LAYER);
} else {
BASEPRINTK("\n hdmi cable is disconnected\n");
sprintf(env_buf, "HDMI_STATE=offline");
envp[env_offset++] = env_buf;
envp[env_offset] = NULL;
s5p_restore_qos();
if (g_s5ptv_status.suspend_status) {
kobject_uevent_env(&(s5p_tvout[0].dev.kobj), KOBJ_CHANGE, envp);
return;
}
if (g_s5ptv_status.vp_layer_enable) {
s5p_vlayer_stop();
g_s5ptv_status.vp_layer_enable = true;
}
/* grp0 layer stop */
if (g_s5ptv_status.grp_layer_enable[VM_GPR0_LAYER]) {
s5p_grp_stop(VM_GPR0_LAYER);
g_s5ptv_status.grp_layer_enable[VM_GPR0_LAYER] = true;
}
/* grp1 layer stop */
if (g_s5ptv_status.grp_layer_enable[VM_GPR1_LAYER]) {
s5p_grp_stop(VM_GPR1_LAYER);
g_s5ptv_status.grp_layer_enable[VM_GPR1_LAYER] = true;
}
/* tv off */
if (g_s5ptv_status.tvout_output_enable) {
s5p_tv_if_stop();
g_s5ptv_status.tvout_output_enable = true;
g_s5ptv_status.tvout_param_available = true;
}
#ifdef CONFIG_PM
/* clk & power off */
s5p_tv_base_clk_gate(false);
s5p_tv_base_phy_power(false);
#endif
}
kobject_uevent_env(&(s5p_tvout[0].dev.kobj), KOBJ_CHANGE, envp);
}