void hisifb_backlight_register(struct platform_device *pdev)
{
struct hisi_fb_data_type *hisifd = NULL;
#ifdef CONFIG_FB_BACKLIGHT
struct backlight_device *pbd = NULL;
struct fb_info *fbi = NULL;
char name[16] = {0};
struct backlight_properties props;
#endif
BUG_ON(pdev == NULL);
hisifd = platform_get_drvdata(pdev);
BUG_ON(hisifd == NULL);
hisifd->backlight.bl_updated = 0;
hisifd->backlight.bl_level_old = 0;
hisifd->backlight.frame_updated = 0;
sema_init(&hisifd->backlight.bl_sem, 1);
#ifdef CONFIG_HISI_FB_BACKLIGHT_DELAY
INIT_DELAYED_WORK(&hisifd->backlight.bl_worker, hisifb_bl_workqueue_handler);
#endif
if (lcd_backlight_registered)
return;
is_recovery_mode = (int)get_boot_into_recovery_flag();
#ifdef CONFIG_FB_BACKLIGHT
fbi = hisifd->fbi;
snprintf(name, sizeof(name), "hisifb%d_bl", hisifd->index);
props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
props.brightness = FB_BACKLIGHT_LEVELS - 1;
pbd = backlight_device_register(name, fbi->dev, hisifd,
&hisi_fb_bl_ops, &props);
if (IS_ERR(pbd)) {
fbi->bl_dev = NULL;
HISI_FB_ERR("backlight_device_register failed!\n");
}
fbi->bl_dev = pbd;
fb_bl_default_curve(fbi, 0,
hisifd->panel_info.bl_min, hisifd->panel_info.bl_max);
#else
/* android supports only one lcd-backlight/lcd for now */
if (led_classdev_register(&pdev->dev, &backlight_led)) {
HISI_FB_ERR("led_classdev_register failed!\n");
return;
}
#endif
INIT_WORK(&(hisifd->backlight.sbl_work), hisifb_sbl_work);
hisifd->backlight.sbl_queue = create_singlethread_workqueue(K3_DSS_SBL_WORKQUEUE);
if (!hisifd->backlight.sbl_queue) {
HISI_FB_ERR("failed to create sbl_queue!\n");
return ;
}
lcd_backlight_registered = 1;
}
void msm_fb_config_backlight(struct msm_fb_data_type *mfd)
{
struct msm_fb_panel_data *pdata;
struct backlight_device *pbd;
struct fb_info *fbi;
char name[16];
struct backlight_properties props;
fbi = mfd->fbi;
pdata = (struct msm_fb_panel_data *)mfd->pdev->dev.platform_data;
if ((pdata) && (pdata->set_backlight)) {
snprintf(name, sizeof(name), "msmfb_bl%d", mfd->index);
props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
props.brightness = FB_BACKLIGHT_LEVELS - 1;
pbd =
backlight_device_register(name, fbi->dev, mfd,
&msm_fb_bl_ops, &props);
if (!IS_ERR(pbd)) {
fbi->bl_dev = pbd;
fb_bl_default_curve(fbi,
0,
mfd->panel_info.bl_min,
mfd->panel_info.bl_max);
} else {
fbi->bl_dev = NULL;
printk(KERN_ERR "msm_fb: backlight_device_register failed!\n");
}
}
}
void nvidia_bl_init(struct nvidia_par *par)
{
struct backlight_properties props;
struct fb_info *info = pci_get_drvdata(par->pci_dev);
struct backlight_device *bd;
char name[12];
if (!par->FlatPanel)
return;
#ifdef CONFIG_PMAC_BACKLIGHT
if (!machine_is(powermac) ||
!pmac_has_backlight_type("mnca"))
return;
#endif
snprintf(name, sizeof(name), "nvidiabl%d", info->node);
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops,
&props);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
printk(KERN_WARNING "nvidia: Backlight registration failed\n");
goto error;
}
info->bl_dev = bd;
fb_bl_default_curve(info, 0,
0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL,
0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
printk("nvidia: Backlight initialized (%s)\n", name);
return;
error:
return;
}
void radeonfb_bl_init(struct radeonfb_info *rinfo)
{
struct backlight_device *bd;
struct radeon_bl_privdata *pdata;
char name[12];
if (rinfo->mon1_type != MT_LCD)
return;
#ifdef CONFIG_PMAC_BACKLIGHT
if (!pmac_has_backlight_type("ati") &&
!pmac_has_backlight_type("mnca"))
return;
#endif
pdata = kmalloc(sizeof(struct radeon_bl_privdata), GFP_KERNEL);
if (!pdata) {
printk("radeonfb: Memory allocation failed\n");
goto error;
}
snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node);
bd = backlight_device_register(name, rinfo->info->dev, pdata, &radeon_bl_data);
if (IS_ERR(bd)) {
rinfo->info->bl_dev = NULL;
printk("radeonfb: Backlight registration failed\n");
goto error;
}
pdata->rinfo = rinfo;
/* Pardon me for that hack... maybe some day we can figure out in what
* direction backlight should work on a given panel?
*/
pdata->negative =
(rinfo->family != CHIP_FAMILY_RV200 &&
rinfo->family != CHIP_FAMILY_RV250 &&
rinfo->family != CHIP_FAMILY_RV280 &&
rinfo->family != CHIP_FAMILY_RV350);
#ifdef CONFIG_PMAC_BACKLIGHT
pdata->negative = pdata->negative ||
of_machine_is_compatible("PowerBook4,3") ||
of_machine_is_compatible("PowerBook6,3") ||
of_machine_is_compatible("PowerBook6,5");
#endif
rinfo->info->bl_dev = bd;
fb_bl_default_curve(rinfo->info, 0,
63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL,
217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL);
bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
printk("radeonfb: Backlight initialized (%s)\n", name);
return;
error:
kfree(pdata);
return;
}
