static int n8x0_bl_update_status(struct backlight_device *dev)
{
struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata = get_drv_data(dssdev);
int r;
int level;
mutex_lock(&ddata->lock);
if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
dev->props.power == FB_BLANK_UNBLANK)
level = dev->props.brightness;
else
level = 0;
dev_dbg(&dssdev->dev, "update brightness to %d\n", level);
if (!bdata->set_backlight)
r = -EINVAL;
else
r = bdata->set_backlight(dssdev, level);
mutex_unlock(&ddata->lock);
return r;
}
static unmap_t *get_server(read2ch_config_t *conf)
{
unmap_t *hash = 0;
unmap_t *board_map = 0;
un2ch_t *get = un2ch_init();
unstr_t *bl = 0;
unstr_t *line = 0;
unstr_t *server = 0;
unstr_t *board = 0;
size_t index = 0;
/* 板一覧の更新確認 */
un2ch_get_server(get);
bl = unstr_file_get_contents(get->board_list);
if(bl == NULL){
un2ch_free(get);
perror("板一覧ファイルが無いよ。\n");
}
board_map = get_board_data(conf->favolist_path);
hash = unmap_init();
server = unstr_init_memory(32);
board = unstr_init_memory(32);
while((line = unstr_strtok(bl, "\n", &index)) != NULL){
if(unstr_sscanf(line, "$/$<>", server, board) == 2){
switch(conf->type){
case READ2CH_NORMAL:
push_board(hash, server, board);
break;
case READ2CH_FAVO:
if(unmap_find(board_map, board->data, unstr_strlen(board)) != NULL){
push_board(hash, server, board);
}
break;
case READ2CH_NOFAVO:
if(unmap_find(board_map, board->data, unstr_strlen(board)) == NULL){
push_board(hash, server, board);
}
break;
}
}
unstr_free(line);
}
unstr_delete(4, bl, line, server, board);
unmap_free(board_map, (void (*)(void *))unstr_free_func);
un2ch_free(get);
return hash;
}
static int n8x0_panel_probe(struct omap_dss_device *dssdev)
{
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata;
struct backlight_device *bldev;
struct backlight_properties props;
int r;
dev_dbg(&dssdev->dev, "probe\n");
if (!bdata)
return -EINVAL;
s_drv_data.dssdev = dssdev;
ddata = &s_drv_data;
mutex_init(&ddata->lock);
dssdev->panel.config = OMAP_DSS_LCD_TFT;
dssdev->panel.timings.x_res = 800;
dssdev->panel.timings.y_res = 480;
dssdev->ctrl.pixel_size = 16;
dssdev->ctrl.rfbi_timings = n8x0_panel_timings;
memset(&props, 0, sizeof(props));
props.max_brightness = 127;
props.type = BACKLIGHT_PLATFORM;
bldev = backlight_device_register(dev_name(&dssdev->dev), &dssdev->dev,
dssdev, &n8x0_bl_ops, &props);
if (IS_ERR(bldev)) {
r = PTR_ERR(bldev);
dev_err(&dssdev->dev, "register backlight failed\n");
return r;
}
ddata->bldev = bldev;
bldev->props.fb_blank = FB_BLANK_UNBLANK;
bldev->props.power = FB_BLANK_UNBLANK;
bldev->props.brightness = 127;
n8x0_bl_update_status(bldev);
return 0;
}
static void n8x0_panel_power_off(struct omap_dss_device *dssdev)
{
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata = get_drv_data(dssdev);
struct spi_device *spi = ddata->spidev;
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
send_display_off(spi);
send_sleep_in(spi);
if (bdata->platform_disable)
bdata->platform_disable(dssdev);
gpio_direction_output(bdata->ctrl_pwrdown, 0);
omapdss_rfbi_display_disable(dssdev);
}
static void n8x0_panel_power_off(struct omap_dss_device *dssdev)
{
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata = get_drv_data(dssdev);
struct spi_device *spi = ddata->spidev;
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
return;
send_display_off(spi);
send_sleep_in(spi);
if (bdata->platform_disable)
bdata->platform_disable(dssdev);
/*
* HACK: we should turn off the panel here, but there is some problem
* with the initialization sequence, and we fail to init the panel if we
* have turned it off
*/
/* gpio_direction_output(bdata->panel_reset, 0); */
gpio_direction_output(bdata->ctrl_pwrdown, 0);
omapdss_rfbi_display_disable(dssdev);
}
static int n8x0_panel_power_on(struct omap_dss_device *dssdev)
{
int r;
struct panel_n8x0_data *bdata = get_board_data(dssdev);
struct panel_drv_data *ddata = get_drv_data(dssdev);
struct spi_device *spi = ddata->spidev;
u8 rev, conf;
u8 display_id[3];
const char *panel_name;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
return 0;
gpio_direction_output(bdata->ctrl_pwrdown, 1);
if (bdata->platform_enable) {
r = bdata->platform_enable(dssdev);
if (r)
goto err_plat_en;
}
r = omapdss_rfbi_display_enable(dssdev);
if (r)
goto err_rfbi_en;
rev = blizzard_read_reg(BLIZZARD_REV_CODE);
conf = blizzard_read_reg(BLIZZARD_CONFIG);
switch (rev & 0xfc) {
case 0x9c:
ddata->blizzard_ver = BLIZZARD_VERSION_S1D13744;
dev_info(&dssdev->dev, "s1d13744 LCD controller rev %d "
"initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
break;
case 0xa4:
ddata->blizzard_ver = BLIZZARD_VERSION_S1D13745;
dev_info(&dssdev->dev, "s1d13745 LCD controller rev %d "
"initialized (CNF pins %x)\n", rev & 0x03, conf & 0x07);
break;
default:
dev_err(&dssdev->dev, "invalid s1d1374x revision %02x\n", rev);
r = -ENODEV;
goto err_inv_chip;
}
/* panel */
gpio_direction_output(bdata->panel_reset, 1);
mipid_read(spi, MIPID_CMD_READ_DISP_ID, display_id, 3);
dev_dbg(&spi->dev, "MIPI display ID: %02x%02x%02x\n",
display_id[0], display_id[1], display_id[2]);
switch (display_id[0]) {
case 0x45:
panel_name = "lph8923";
break;
case 0x83:
panel_name = "ls041y3";
break;
default:
dev_err(&dssdev->dev, "invalid display ID 0x%x\n",
display_id[0]);
r = -ENODEV;
goto err_inv_panel;
}
dev_info(&dssdev->dev, "%s rev %02x LCD detected\n",
panel_name, display_id[1]);
send_sleep_out(spi);
send_init_string(spi);
set_data_lines(spi, 24);
send_display_on(spi);
return 0;
err_inv_panel:
/*
* HACK: we should turn off the panel here, but there is some problem
* with the initialization sequence, and we fail to init the panel if we
* have turned it off
*/
/* gpio_direction_output(bdata->panel_reset, 0); */
err_inv_chip:
omapdss_rfbi_display_disable(dssdev);
err_rfbi_en:
if (bdata->platform_disable)
bdata->platform_disable(dssdev);
err_plat_en:
gpio_direction_output(bdata->ctrl_pwrdown, 0);
return r;
}