int mcde_splash_image(void)
{
int ret = -ENODEV;
struct mcde_rectangle rect;
debug("%s: enter\n", __func__);
if (main_display.port->type == MCDE_PORTTYPE_DSI)
ret = mcde_startup_dsi(&platform_data);
else if (main_display.port->type == MCDE_PORTTYPE_DPI)
ret = mcde_startup_dpi(&platform_data);
if (ret != 0) {
printf("%s: mcde_startup... -> %d\n", __func__, ret);
return ret;
}
/* dss enable display */
chnl = mcde_chnl_get(main_display.chnl_id, main_display.fifo,
main_display.port);
if (IS_ERR(chnl)) {
ret = PTR_ERR(chnl);
printf("%s: Failed to acquire MCDE channel ret=%d\n",
__func__, ret);
goto get_chnl_failed;
}
ret = mcde_chnl_set_power_mode(chnl, MCDE_DISPLAY_PM_STANDBY);
if (ret) {
printf("%s: mcde_chnl_set_power_mode() -> %d\n",
__func__, ret);
goto get_chnl_failed;
}
/* dss set video mode */
ret = mcde_chnl_set_video_mode(chnl, &video_mode);
if (ret < 0) {
printf("%s:Failed to set video mode on channel ret=%d\n",
__func__, ret);
goto set_video_mode_failed;
}
mcde_chnl_set_pixel_format(chnl, main_display.port_pixel_format);
mcde_chnl_set_update_area(chnl, 0, 0, main_display.native_x_res,
main_display.native_y_res);
mcde_chnl_apply(chnl);
/* chnl setup ok, display image */
ret = mcde_display_image(chnl);
if (ret != 0) {
debug("%s: mcde_display_image() -> %d\n",
__func__, ret);
goto display_image_failed;
}
#if defined(BOARD_C7_P0)
/* vdd power on */
db8500_gpio_set_output(GPIO167_GPIO, 1);
udelay(400);
/* stbyb pull high */
db8500_gpio_set_output(GPIO154_GPIO, 1);
udelay(400);
/* reset pull high */
db8500_gpio_set_output(GPIO139_GPIO, 1);
mdelay(20);
db8500_gpio_set_output(GPIO156_GPIO, 1);
mdelay(20);
db8500_gpio_set_output(GPIO168_GPIO, 1);
mdelay(20);
db8500_gpio_set_output(GPIO218_GPIO, 1);
mdelay(20);
db8500_gpio_set_output(GPIO157_GPIO, 1);
mdelay(20);
#endif
#ifdef CONFIG_VIA_DISPLAY_DSI
ret = mcde_turn_on_display();
if (ret) {
printf("%s: mcde_turn_on_display() -> %d\n", __func__, ret);
goto get_chnl_failed;
}
#endif
#if defined(BOARD_C7_P0)
/* avdd vcom vgl vgh is on */
db8500_gpio_set_output(GPIO153_GPIO, 1);
mdelay(40);
db8500_gpio_set_output(GPIO139_GPIO, 0);
mdelay(1);
db8500_gpio_set_output(GPIO139_GPIO, 1);
#endif
mcde_chnl_apply(chnl);
rect.x = 0;
rect.y = 0;
rect.w = main_display.native_x_res;
rect.h = main_display.native_y_res;
mcde_chnl_update(chnl, &rect);
#ifndef CONFIG_VIA_DISPLAY_DSI
ret = mcde_turn_on_display();
if (ret) {
printf("%s: mcde_turn_on_display() -> %d\n", __func__, ret);
goto get_chnl_failed;
}
#endif
ret = mcde_chnl_set_power_mode(chnl, MCDE_DISPLAY_PM_ON);
if (ret) {
printf("%s: mcde_chnl_set_power_mode() -> %d\n", __func__, ret);
goto get_chnl_failed;
}
mdelay(50);
db8500_gpio_set_output(GPIO68_GPIO, 1);
return ret;
get_chnl_failed:
display_image_failed:
set_video_mode_failed:
mcde_exit();
return ret;
}
static int mcde_display_set_power_mode_default(struct mcde_display_device *ddev,
enum mcde_display_power_mode power_mode)
{
int ret = 0;
/* OFF -> STANDBY */
if (ddev->power_mode == MCDE_DISPLAY_PM_OFF &&
power_mode != MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_enable) {
ret = ddev->platform_enable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
/* force register settings */
if (ddev->port->type == MCDE_PORTTYPE_DPI)
ddev->update_flags = UPDATE_FLAG_VIDEO_MODE |
UPDATE_FLAG_PIXEL_FORMAT;
}
if (ddev->port->type == MCDE_PORTTYPE_DSI) {
/* STANDBY -> ON */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_ON) {
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_EXIT_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_ON, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_ON;
} else if (ddev->power_mode == MCDE_DISPLAY_PM_ON &&
power_mode <= MCDE_DISPLAY_PM_STANDBY) {
/* ON -> STANDBY */
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_OFF, NULL, 0);
if (ret)
return ret;
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_ENTER_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
}
} else if (ddev->port->type == MCDE_PORTTYPE_DPI) {
ddev->power_mode = power_mode;
} else if (ddev->power_mode != power_mode) {
return -EINVAL;
}
/* SLEEP -> OFF */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_disable) {
ret = ddev->platform_disable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_OFF;
}
mcde_chnl_set_power_mode(ddev->chnl_state, ddev->power_mode);
return ret;
}
static int generic_set_power_mode(struct mcde_display_device *ddev,
enum mcde_display_power_mode power_mode)
{
int ret = 0;
struct mcde_display_generic_platform_data *pdata =
ddev->dev.platform_data;
dev_dbg(&ddev->dev, "%s:Set Power mode\n", __func__);
/* OFF -> STANDBY */
if (ddev->power_mode == MCDE_DISPLAY_PM_OFF &&
power_mode != MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_enable) {
ret = ddev->platform_enable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
}
/* STANDBY -> ON */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_ON) {
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_EXIT_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
msleep(pdata->sleep_out_delay);
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_ON, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_ON;
goto set_power_and_exit;
}
/* ON -> STANDBY */
else if (ddev->power_mode == MCDE_DISPLAY_PM_ON &&
power_mode <= MCDE_DISPLAY_PM_STANDBY) {
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_OFF, NULL, 0);
if (ret)
return ret;
ret = mcde_dsi_dcs_write(ddev->chnl_state,
DCS_CMD_ENTER_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
}
/* SLEEP -> OFF */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_disable) {
ret = ddev->platform_disable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_OFF;
}
set_power_and_exit:
mcde_chnl_set_power_mode(ddev->chnl_state, ddev->power_mode);
return ret;
}
static int ws2401_set_power_mode(struct mcde_display_device *ddev,
enum mcde_display_power_mode power_mode)
{
int ret = 0;
struct ws2401_platform_data *pdata = ddev->dev.platform_data;
struct ws2401_lcd *lcd = NULL;
lcd = dev_get_drvdata(&ddev->dev);
dev_dbg(&ddev->dev, "%s:Set Power mode %d->%d\n", __func__,
ddev->power_mode, power_mode);
/* OFF -> STANDBY */
if (ddev->power_mode == MCDE_DISPLAY_PM_OFF &&
power_mode != MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_enable) {
ret = ddev->platform_enable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
}
/* STANDBY -> ON */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_ON) {
ret = dsi_dcs_write_sequence(ddev, DCS_CMD_SEQ_WS2401_INIT);
if (ret)
return ret;
ret = dsi_dcs_write(ddev->chnl_state,
DCS_CMD_EXIT_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
msleep(pdata->sleep_out_delay);
ws2401_update_brightness(ddev, lcd->bd->props.brightness);
ret = dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_ON, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_ON;
goto set_power_and_exit;
}
/* ON -> STANDBY */
else if (ddev->power_mode == MCDE_DISPLAY_PM_ON &&
power_mode <= MCDE_DISPLAY_PM_STANDBY) {
ret = dsi_dcs_write(ddev->chnl_state,
DCS_CMD_SET_DISPLAY_OFF, NULL, 0);
if (ret)
return ret;
ret = dsi_dcs_write(ddev->chnl_state,
DCS_CMD_ENTER_SLEEP_MODE, NULL, 0);
if (ret)
return ret;
ddev->power_mode = MCDE_DISPLAY_PM_STANDBY;
}
/* SLEEP -> OFF */
if (ddev->power_mode == MCDE_DISPLAY_PM_STANDBY &&
power_mode == MCDE_DISPLAY_PM_OFF) {
if (ddev->platform_disable) {
ret = ddev->platform_disable(ddev);
if (ret)
return ret;
}
ddev->power_mode = MCDE_DISPLAY_PM_OFF;
}
set_power_and_exit:
mcde_chnl_set_power_mode(ddev->chnl_state, ddev->power_mode);
return ret;
}