void __init pmu_backlight_init() { struct backlight_device *bd; char name[10]; int level, autosave; /* Special case for the old PowerBook since I can't test on it */ autosave = machine_is_compatible("AAPL,3400/2400") || machine_is_compatible("AAPL,3500"); if (!autosave && !pmac_has_backlight_type("pmu") && !machine_is_compatible("AAPL,PowerBook1998") && !machine_is_compatible("PowerBook1,1")) return; snprintf(name, sizeof(name), "pmubl"); bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data); if (IS_ERR(bd)) { printk("pmubl: Backlight registration failed\n"); goto error; } pmu_backlight_init_curve(0x7F, 0x46, 0x0E); level = pmu_backlight_data.max_brightness; if (autosave) { /* read autosaved value if available */ struct adb_request req; pmu_request(&req, NULL, 2, 0xd9, 0); pmu_wait_complete(&req); level = pmu_backlight_curve_lookup( (req.reply[0] >> 4) * pmu_backlight_data.max_brightness / 15); } down(&bd->sem); bd->props->brightness = level; bd->props->power = FB_BLANK_UNBLANK; bd->props->update_status(bd); up(&bd->sem); mutex_lock(&pmac_backlight_mutex); if (!pmac_backlight) pmac_backlight = bd; mutex_unlock(&pmac_backlight_mutex); printk("pmubl: Backlight initialized (%s)\n", name); return; error: return; }
void __init pmu_backlight_init() { struct backlight_properties props; struct backlight_device *bd; char name[10]; int level, autosave; /* Special case for the old PowerBook since I can't test on it */ autosave = of_machine_is_compatible("AAPL,3400/2400") || of_machine_is_compatible("AAPL,3500"); if (!autosave && !pmac_has_backlight_type("pmu") && !of_machine_is_compatible("AAPL,PowerBook1998") && !of_machine_is_compatible("PowerBook1,1")) return; snprintf(name, sizeof(name), "pmubl"); memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data, &props); if (IS_ERR(bd)) { printk(KERN_ERR "PMU Backlight registration failed\n"); return; } uses_pmu_bl = 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); level = bd->props.max_brightness; if (autosave) { /* read autosaved value if available */ struct adb_request req; pmu_request(&req, NULL, 2, 0xd9, 0); pmu_wait_complete(&req); level = pmu_backlight_curve_lookup( (req.reply[0] >> 4) * bd->props.max_brightness / 15); } bd->props.brightness = level; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); #ifdef CONFIG_DEBUG_PRINTK printk(KERN_INFO "PMU Backlight initialized (%s)\n", name); #else ; #endif }
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; }