diff options
Diffstat (limited to 'drivers/video')
72 files changed, 1100 insertions, 1279 deletions
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c index 7e8346ec9cd..a305caea58e 100644 --- a/drivers/video/acornfb.c +++ b/drivers/video/acornfb.c @@ -949,9 +949,7 @@ free_unused_pages(unsigned int virtual_start, unsigned int virtual_end) * the page. */ page = virt_to_page(virtual_start); - ClearPageReserved(page); - init_page_count(page); - free_page(virtual_start); + __free_reserved_page(page); virtual_start += PAGE_SIZE; mb_freed += PAGE_SIZE / 1024; diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 0f6c61491f7..14d6b3793e0 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -10,6 +10,7 @@ * * ARM PrimeCell PL110 Color LCD Controller */ +#include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -551,6 +552,10 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id) if (!board) return -EINVAL; + ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out; + ret = amba_request_regions(dev, NULL); if (ret) { printk(KERN_ERR "CLCD: unable to reserve regs region\n"); diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index b95bbfc3099..372d4aea9d1 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -361,37 +361,13 @@ void au1100fb_fb_rotate(struct fb_info *fbi, int angle) int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) { struct au1100fb_device *fbdev; - unsigned int len; - unsigned long start=0, off; fbdev = to_au1100fb_device(fbi); - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { - return -EINVAL; - } - - start = fbdev->fb_phys & PAGE_MASK; - len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); - - off = vma->vm_pgoff << PAGE_SHIFT; - - if ((vma->vm_end - vma->vm_start + off) > len) { - return -EINVAL; - } - - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6 - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) { - return -EAGAIN; - } - - return 0; + return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len); } static struct fb_ops au1100fb_ops = diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c index 7a6b4c6f863..4cfba78a145 100644 --- a/drivers/video/au1200fb.c +++ b/drivers/video/au1200fb.c @@ -1233,34 +1233,13 @@ static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) * method mainly to allow the use of the TLB streaming flag (CCA=6) */ static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) - { - unsigned int len; - unsigned long start=0, off; struct au1200fb_device *fbdev = info->par; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { - return -EINVAL; - } - - start = fbdev->fb_phys & PAGE_MASK; - len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); - - off = vma->vm_pgoff << PAGE_SHIFT; - - if ((vma->vm_end - vma->vm_start + off) > len) { - return -EINVAL; - } - - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ - return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); + return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len); } static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index 2cd63507ed7..7db5234462d 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -196,7 +196,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev, static int pm860x_backlight_probe(struct platform_device *pdev) { struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm860x_backlight_pdata *pdata = pdev->dev.platform_data; + struct pm860x_backlight_pdata *pdata = dev_get_platdata(&pdev->dev); struct pm860x_backlight_data *data; struct backlight_device *bl; struct resource *res; @@ -243,7 +243,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = MAX_BRIGHTNESS; - bl = backlight_device_register(name, &pdev->dev, data, + bl = devm_backlight_device_register(&pdev->dev, name, &pdev->dev, data, &pm860x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); @@ -256,21 +256,10 @@ static int pm860x_backlight_probe(struct platform_device *pdev) /* read current backlight */ ret = pm860x_backlight_get_brightness(bl); if (ret < 0) - goto out_brt; + return ret; backlight_update_status(bl); return 0; -out_brt: - backlight_device_unregister(bl); - return ret; -} - -static int pm860x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; } static struct platform_driver pm860x_backlight_driver = { @@ -279,7 +268,6 @@ static struct platform_driver pm860x_backlight_driver = { .owner = THIS_MODULE, }, .probe = pm860x_backlight_probe, - .remove = pm860x_backlight_remove, }; module_platform_driver(pm860x_backlight_driver); diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index d4a7a351d67..5a3eb2ecb52 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -368,12 +368,12 @@ config BACKLIGHT_AAT2870 If you have a AnalogicTech AAT2870 say Y to enable the backlight driver. -config BACKLIGHT_LM3630 - tristate "Backlight Driver for LM3630" +config BACKLIGHT_LM3630A + tristate "Backlight Driver for LM3630A" depends on BACKLIGHT_CLASS_DEVICE && I2C select REGMAP_I2C help - This supports TI LM3630 Backlight Driver + This supports TI LM3630A Backlight Driver config BACKLIGHT_LM3639 tristate "Backlight Driver for LM3639" @@ -388,8 +388,8 @@ config BACKLIGHT_LP855X tristate "Backlight driver for TI LP855X" depends on BACKLIGHT_CLASS_DEVICE && I2C help - This supports TI LP8550, LP8551, LP8552, LP8553, LP8556 and LP8557 - backlight driver. + This supports TI LP8550, LP8551, LP8552, LP8553, LP8555, LP8556 and + LP8557 backlight driver. config BACKLIGHT_LP8788 tristate "Backlight driver for TI LP8788 MFD" diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 38e1babb194..bb820024f34 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -37,7 +37,7 @@ obj-$(CONFIG_BACKLIGHT_GPIO) += gpio_backlight.o obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o obj-$(CONFIG_BACKLIGHT_LM3533) += lm3533_bl.o -obj-$(CONFIG_BACKLIGHT_LM3630) += lm3630_bl.o +obj-$(CONFIG_BACKLIGHT_LM3630A) += lm3630a_bl.o obj-$(CONFIG_BACKLIGHT_LM3639) += lm3639_bl.o obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o obj-$(CONFIG_BACKLIGHT_LP855X) += lp855x_bl.o diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c index c6fc668d623..ee0c0a982e4 100644 --- a/drivers/video/backlight/aat2870_bl.c +++ b/drivers/video/backlight/aat2870_bl.c @@ -127,7 +127,7 @@ static const struct backlight_ops aat2870_bl_ops = { static int aat2870_bl_probe(struct platform_device *pdev) { - struct aat2870_bl_platform_data *pdata = pdev->dev.platform_data; + struct aat2870_bl_platform_data *pdata = dev_get_platdata(&pdev->dev); struct aat2870_bl_driver_data *aat2870_bl; struct backlight_device *bd; struct backlight_properties props; @@ -158,8 +158,9 @@ static int aat2870_bl_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; - bd = backlight_device_register("aat2870-backlight", &pdev->dev, - aat2870_bl, &aat2870_bl_ops, &props); + bd = devm_backlight_device_register(&pdev->dev, "aat2870-backlight", + &pdev->dev, aat2870_bl, &aat2870_bl_ops, + &props); if (IS_ERR(bd)) { dev_err(&pdev->dev, "Failed allocate memory for backlight device\n"); @@ -194,13 +195,11 @@ static int aat2870_bl_probe(struct platform_device *pdev) ret = aat2870_bl_update_status(bd); if (ret < 0) { dev_err(&pdev->dev, "Failed to initialize\n"); - goto out_bl_dev_unregister; + return ret; } return 0; -out_bl_dev_unregister: - backlight_device_unregister(bd); out: return ret; } @@ -214,8 +213,6 @@ static int aat2870_bl_remove(struct platform_device *pdev) bd->props.brightness = 0; backlight_update_status(bd); - backlight_device_unregister(bd); - return 0; } diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index c84701b7ca6..f37097a261a 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -297,7 +297,7 @@ static int adp5520_bl_probe(struct platform_device *pdev) return -ENOMEM; data->master = pdev->dev.parent; - data->pdata = pdev->dev.platform_data; + data->pdata = dev_get_platdata(&pdev->dev); if (data->pdata == NULL) { dev_err(&pdev->dev, "missing platform data\n"); @@ -312,8 +312,9 @@ static int adp5520_bl_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = ADP5020_MAX_BRIGHTNESS; - bl = backlight_device_register(pdev->name, data->master, data, - &adp5520_bl_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, pdev->name, + data->master, data, &adp5520_bl_ops, + &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -326,7 +327,7 @@ static int adp5520_bl_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to register sysfs\n"); - backlight_device_unregister(bl); + return ret; } platform_set_drvdata(pdev, bl); @@ -347,8 +348,6 @@ static int adp5520_bl_remove(struct platform_device *pdev) sysfs_remove_group(&bl->dev.kobj, &adp5520_bl_attr_group); - backlight_device_unregister(bl); - return 0; } diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 75b10f87612..9d656717d0f 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -216,7 +216,7 @@ static int adp8860_led_setup(struct adp8860_led *led) static int adp8860_led_probe(struct i2c_client *client) { struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); struct adp8860_bl *data = i2c_get_clientdata(client); struct adp8860_led *led, *led_dat; struct led_info *cur_led; @@ -300,7 +300,7 @@ static int adp8860_led_probe(struct i2c_client *client) static int adp8860_led_remove(struct i2c_client *client) { struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); struct adp8860_bl *data = i2c_get_clientdata(client); int i; @@ -658,7 +658,7 @@ static int adp8860_probe(struct i2c_client *client, struct backlight_device *bl; struct adp8860_bl *data; struct adp8860_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); struct backlight_properties props; uint8_t reg_val; int ret; @@ -711,8 +711,9 @@ static int adp8860_probe(struct i2c_client *client, mutex_init(&data->lock); - bl = backlight_device_register(dev_driver_string(&client->dev), - &client->dev, data, &adp8860_bl_ops, &props); + bl = devm_backlight_device_register(&client->dev, + dev_driver_string(&client->dev), + &client->dev, data, &adp8860_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&client->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -728,7 +729,7 @@ static int adp8860_probe(struct i2c_client *client, if (ret) { dev_err(&client->dev, "failed to register sysfs\n"); - goto out1; + return ret; } ret = adp8860_bl_setup(bl); @@ -751,8 +752,6 @@ out: if (data->en_ambl_sens) sysfs_remove_group(&data->bl->dev.kobj, &adp8860_bl_attr_group); -out1: - backlight_device_unregister(bl); return ret; } @@ -770,8 +769,6 @@ static int adp8860_remove(struct i2c_client *client) sysfs_remove_group(&data->bl->dev.kobj, &adp8860_bl_attr_group); - backlight_device_unregister(data->bl); - return 0; } diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 90049d7b5c6..63707205326 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -238,7 +238,7 @@ static int adp8870_led_setup(struct adp8870_led *led) static int adp8870_led_probe(struct i2c_client *client) { struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); struct adp8870_bl *data = i2c_get_clientdata(client); struct adp8870_led *led, *led_dat; struct led_info *cur_led; @@ -325,7 +325,7 @@ static int adp8870_led_probe(struct i2c_client *client) static int adp8870_led_remove(struct i2c_client *client) { struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); struct adp8870_bl *data = i2c_get_clientdata(client); int i; @@ -848,7 +848,7 @@ static int adp8870_probe(struct i2c_client *client, struct backlight_device *bl; struct adp8870_bl *data; struct adp8870_backlight_platform_data *pdata = - client->dev.platform_data; + dev_get_platdata(&client->dev); uint8_t reg_val; int ret; @@ -888,8 +888,9 @@ static int adp8870_probe(struct i2c_client *client, memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; props.max_brightness = props.brightness = ADP8870_MAX_BRIGHTNESS; - bl = backlight_device_register(dev_driver_string(&client->dev), - &client->dev, data, &adp8870_bl_ops, &props); + bl = devm_backlight_device_register(&client->dev, + dev_driver_string(&client->dev), + &client->dev, data, &adp8870_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&client->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -902,7 +903,7 @@ static int adp8870_probe(struct i2c_client *client, &adp8870_bl_attr_group); if (ret) { dev_err(&client->dev, "failed to register sysfs\n"); - goto out1; + return ret; } } @@ -925,8 +926,6 @@ out: if (data->pdata->en_ambl_sens) sysfs_remove_group(&data->bl->dev.kobj, &adp8870_bl_attr_group); -out1: - backlight_device_unregister(bl); return ret; } @@ -944,8 +943,6 @@ static int adp8870_remove(struct i2c_client *client) sysfs_remove_group(&data->bl->dev.kobj, &adp8870_bl_attr_group); - backlight_device_unregister(data->bl); - return 0; } diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index 319fef6cb42..d8952c4aa68 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -471,14 +471,14 @@ static int ams369fg06_probe(struct spi_device *spi) lcd->spi = spi; lcd->dev = &spi->dev; - lcd->lcd_pd = spi->dev.platform_data; + lcd->lcd_pd = dev_get_platdata(&spi->dev); if (!lcd->lcd_pd) { dev_err(&spi->dev, "platform data is NULL\n"); return -EINVAL; } - ld = lcd_device_register("ams369fg06", &spi->dev, lcd, - &ams369fg06_lcd_ops); + ld = devm_lcd_device_register(&spi->dev, "ams369fg06", &spi->dev, lcd, + &ams369fg06_lcd_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -488,12 +488,11 @@ static int ams369fg06_probe(struct spi_device *spi) props.type = BACKLIGHT_RAW; props.max_brightness = MAX_BRIGHTNESS; - bd = backlight_device_register("ams369fg06-bl", &spi->dev, lcd, - &ams369fg06_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_lcd_unregister; - } + bd = devm_backlight_device_register(&spi->dev, "ams369fg06-bl", + &spi->dev, lcd, + &ams369fg06_backlight_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); bd->props.brightness = DEFAULT_BRIGHTNESS; lcd->bd = bd; @@ -516,10 +515,6 @@ static int ams369fg06_probe(struct spi_device *spi) dev_info(&spi->dev, "ams369fg06 panel driver has been probed.\n"); return 0; - -out_lcd_unregister: - lcd_device_unregister(ld); - return ret; } static int ams369fg06_remove(struct spi_device *spi) @@ -527,9 +522,6 @@ static int ams369fg06_remove(struct spi_device *spi) struct ams369fg06 *lcd = spi_get_drvdata(spi); ams369fg06_power(lcd, FB_BLANK_POWERDOWN); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); - return 0; } diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c index 123887cd76b..bb1fc45b754 100644 --- a/drivers/video/backlight/as3711_bl.c +++ b/drivers/video/backlight/as3711_bl.c @@ -240,7 +240,8 @@ static int as3711_bl_register(struct platform_device *pdev, /* max tuning I = 31uA for voltage- and 38250uA for current-feedback */ props.max_brightness = max_brightness; - bl = backlight_device_register(su->type == AS3711_BL_SU1 ? + bl = devm_backlight_device_register(&pdev->dev, + su->type == AS3711_BL_SU1 ? "as3711-su1" : "as3711-su2", &pdev->dev, su, &as3711_bl_ops, &props); @@ -432,8 +433,7 @@ static int as3711_backlight_probe(struct platform_device *pdev) case AS3711_SU2_LX_SD4: break; default: - ret = -EINVAL; - goto esu2; + return -EINVAL; } switch (pdata->su2_feedback) { @@ -447,8 +447,7 @@ static int as3711_backlight_probe(struct platform_device *pdev) max_brightness = min(pdata->su2_max_uA / 150, 255); break; default: - ret = -EINVAL; - goto esu2; + return -EINVAL; } ret = as3711_bl_init_su2(supply); @@ -457,26 +456,12 @@ static int as3711_backlight_probe(struct platform_device *pdev) ret = as3711_bl_register(pdev, max_brightness, su); if (ret < 0) - goto esu2; + return ret; } platform_set_drvdata(pdev, supply); return 0; - -esu2: - backlight_device_unregister(supply->su1.bl); - return ret; -} - -static int as3711_backlight_remove(struct platform_device *pdev) -{ - struct as3711_bl_supply *supply = platform_get_drvdata(pdev); - - backlight_device_unregister(supply->su1.bl); - backlight_device_unregister(supply->su2.bl); - - return 0; } static struct platform_driver as3711_backlight_driver = { @@ -485,7 +470,6 @@ static struct platform_driver as3711_backlight_driver = { .owner = THIS_MODULE, }, .probe = as3711_backlight_probe, - .remove = as3711_backlight_remove, }; module_platform_driver(as3711_backlight_driver); diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 0393d827dd4..261b1a4ec3d 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/fb.h> -#include <linux/clk.h> #include <linux/gpio.h> #include <linux/backlight.h> #include <linux/atmel_pwm.h> @@ -27,6 +26,14 @@ struct atmel_pwm_bl { int gpio_on; }; +static void atmel_pwm_bl_set_gpio_on(struct atmel_pwm_bl *pwmbl, int on) +{ + if (!gpio_is_valid(pwmbl->gpio_on)) + return; + + gpio_set_value(pwmbl->gpio_on, on ^ pwmbl->pdata->on_active_low); +} + static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) { struct atmel_pwm_bl *pwmbl = bl_get_data(bd); @@ -49,19 +56,13 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) pwm_duty = pwmbl->pdata->pwm_duty_min; if (!intensity) { - if (pwmbl->gpio_on != -1) { - gpio_set_value(pwmbl->gpio_on, - 0 ^ pwmbl->pdata->on_active_low); - } + atmel_pwm_bl_set_gpio_on(pwmbl, 0); pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); pwm_channel_disable(&pwmbl->pwmc); } else { pwm_channel_enable(&pwmbl->pwmc); pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); - if (pwmbl->gpio_on != -1) { - gpio_set_value(pwmbl->gpio_on, - 1 ^ pwmbl->pdata->on_active_low); - } + atmel_pwm_bl_set_gpio_on(pwmbl, 1); } return 0; @@ -70,17 +71,16 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) { struct atmel_pwm_bl *pwmbl = bl_get_data(bd); - u8 intensity; + u32 cdty; + u32 intensity; - if (pwmbl->pdata->pwm_active_low) { - intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) - - pwmbl->pdata->pwm_duty_min; - } else { - intensity = pwmbl->pdata->pwm_duty_max - - pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY); - } + cdty = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY); + if (pwmbl->pdata->pwm_active_low) + intensity = cdty - pwmbl->pdata->pwm_duty_min; + else + intensity = pwmbl->pdata->pwm_duty_max - cdty; - return intensity; + return intensity & 0xffff; } static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) @@ -118,52 +118,46 @@ static const struct backlight_ops atmel_pwm_bl_ops = { .update_status = atmel_pwm_bl_set_intensity, }; -static int __init atmel_pwm_bl_probe(struct platform_device *pdev) +static int atmel_pwm_bl_probe(struct platform_device *pdev) { struct backlight_properties props; const struct atmel_pwm_bl_platform_data *pdata; struct backlight_device *bldev; struct atmel_pwm_bl *pwmbl; + unsigned long flags; int retval; + pdata = dev_get_platdata(&pdev->dev); + if (!pdata) + return -ENODEV; + + if (pdata->pwm_compare_max < pdata->pwm_duty_max || + pdata->pwm_duty_min > pdata->pwm_duty_max || + pdata->pwm_frequency == 0) + return -EINVAL; + pwmbl = devm_kzalloc(&pdev->dev, sizeof(struct atmel_pwm_bl), GFP_KERNEL); if (!pwmbl) return -ENOMEM; pwmbl->pdev = pdev; - - pdata = pdev->dev.platform_data; - if (!pdata) { - retval = -ENODEV; - goto err_free_mem; - } - - if (pdata->pwm_compare_max < pdata->pwm_duty_max || - pdata->pwm_duty_min > pdata->pwm_duty_max || - pdata->pwm_frequency == 0) { - retval = -EINVAL; - goto err_free_mem; - } - pwmbl->pdata = pdata; pwmbl->gpio_on = pdata->gpio_on; retval = pwm_channel_alloc(pdata->pwm_channel, &pwmbl->pwmc); if (retval) - goto err_free_mem; - - if (pwmbl->gpio_on != -1) { - retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on, - "gpio_atmel_pwm_bl"); - if (retval) { - pwmbl->gpio_on = -1; - goto err_free_pwm; - } + return retval; + if (gpio_is_valid(pwmbl->gpio_on)) { /* Turn display off by default. */ - retval = gpio_direction_output(pwmbl->gpio_on, - 0 ^ pdata->on_active_low); + if (pdata->on_active_low) + flags = GPIOF_OUT_INIT_HIGH; + else + flags = GPIOF_OUT_INIT_LOW; + + retval = devm_gpio_request_one(&pdev->dev, pwmbl->gpio_on, + flags, "gpio_atmel_pwm_bl"); if (retval) goto err_free_pwm; } @@ -171,8 +165,9 @@ static int __init atmel_pwm_bl_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; - bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl, - &atmel_pwm_bl_ops, &props); + bldev = devm_backlight_device_register(&pdev->dev, "atmel-pwm-bl", + &pdev->dev, pwmbl, &atmel_pwm_bl_ops, + &props); if (IS_ERR(bldev)) { retval = PTR_ERR(bldev); goto err_free_pwm; @@ -188,29 +183,25 @@ static int __init atmel_pwm_bl_probe(struct platform_device *pdev) retval = atmel_pwm_bl_init_pwm(pwmbl); if (retval) - goto err_free_bl_dev; + goto err_free_pwm; atmel_pwm_bl_set_intensity(bldev); return 0; -err_free_bl_dev: - backlight_device_unregister(bldev); err_free_pwm: pwm_channel_free(&pwmbl->pwmc); -err_free_mem: + return retval; } -static int __exit atmel_pwm_bl_remove(struct platform_device *pdev) +static int atmel_pwm_bl_remove(struct platform_device *pdev) { struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - if (pwmbl->gpio_on != -1) - gpio_set_value(pwmbl->gpio_on, 0); + atmel_pwm_bl_set_gpio_on(pwmbl, 0); pwm_channel_disable(&pwmbl->pwmc); pwm_channel_free(&pwmbl->pwmc); - backlight_device_unregister(pwmbl->bldev); return 0; } @@ -220,11 +211,13 @@ static struct platform_driver atmel_pwm_bl_driver = { .name = "atmel-pwm-bl", }, /* REVISIT add suspend() and resume() */ - .remove = __exit_p(atmel_pwm_bl_remove), + .probe = atmel_pwm_bl_probe, + .remove = atmel_pwm_bl_remove, }; -module_platform_driver_probe(atmel_pwm_bl_driver, atmel_pwm_bl_probe); +module_platform_driver(atmel_pwm_bl_driver); MODULE_AUTHOR("Hans-Christian egtvedt <hans-christian.egtvedt@atmel.com>"); MODULE_DESCRIPTION("Atmel PWM backlight driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:atmel-pwm-bl"); diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 94a403a9717..5d05555fe84 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -21,6 +21,9 @@ #include <asm/backlight.h> #endif +static struct list_head backlight_dev_list; +static struct mutex backlight_dev_list_mutex; + static const char *const backlight_types[] = { [BACKLIGHT_RAW] = "raw", [BACKLIGHT_PLATFORM] = "platform", @@ -349,10 +352,32 @@ struct backlight_device *backlight_device_register(const char *name, mutex_unlock(&pmac_backlight_mutex); #endif + mutex_lock(&backlight_dev_list_mutex); + list_add(&new_bd->entry, &backlight_dev_list); + mutex_unlock(&backlight_dev_list_mutex); + return new_bd; } EXPORT_SYMBOL(backlight_device_register); +bool backlight_device_registered(enum backlight_type type) +{ + bool found = false; + struct backlight_device *bd; + + mutex_lock(&backlight_dev_list_mutex); + list_for_each_entry(bd, &backlight_dev_list, entry) { + if (bd->props.type == type) { + found = true; + break; + } + } + mutex_unlock(&backlight_dev_list_mutex); + + return found; +} +EXPORT_SYMBOL(backlight_device_registered); + /** * backlight_device_unregister - unregisters a backlight device object. * @bd: the backlight device object to be unregistered and freed. @@ -364,6 +389,10 @@ void backlight_device_unregister(struct backlight_device *bd) if (!bd) return; + mutex_lock(&backlight_dev_list_mutex); + list_del(&bd->entry); + mutex_unlock(&backlight_dev_list_mutex); + #ifdef CONFIG_PMAC_BACKLIGHT mutex_lock(&pmac_backlight_mutex); if (pmac_backlight == bd) @@ -499,6 +528,8 @@ static int __init backlight_class_init(void) backlight_class->dev_groups = bl_device_groups; backlight_class->pm = &backlight_class_dev_pm_ops; + INIT_LIST_HEAD(&backlight_dev_list); + mutex_init(&backlight_dev_list_mutex); return 0; } diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c index 15e3294b29f..16dd9bc625b 100644 --- a/drivers/video/backlight/bd6107.c +++ b/drivers/video/backlight/bd6107.c @@ -128,7 +128,7 @@ static const struct backlight_ops bd6107_backlight_ops = { static int bd6107_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct bd6107_platform_data *pdata = client->dev.platform_data; + struct bd6107_platform_data *pdata = dev_get_platdata(&client->dev); struct backlight_device *backlight; struct backlight_properties props; struct bd6107 *bd; @@ -166,7 +166,8 @@ static int bd6107_probe(struct i2c_client *client, props.brightness = clamp_t(unsigned int, pdata->def_value, 0, props.max_brightness); - backlight = backlight_device_register(dev_name(&client->dev), + backlight = devm_backlight_device_register(&client->dev, + dev_name(&client->dev), &bd->client->dev, bd, &bd6107_backlight_ops, &props); if (IS_ERR(backlight)) { @@ -186,7 +187,6 @@ static int bd6107_remove(struct i2c_client *client) backlight->props.brightness = 0; backlight_update_status(backlight); - backlight_device_unregister(backlight); return 0; } diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index c97867a717a..db8db5fa658 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -533,7 +533,7 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, static int corgi_lcd_probe(struct spi_device *spi) { struct backlight_properties props; - struct corgi_lcd_platform_data *pdata = spi->dev.platform_data; + struct corgi_lcd_platform_data *pdata = dev_get_platdata(&spi->dev); struct corgi_lcd *lcd; int ret = 0; @@ -550,8 +550,8 @@ static int corgi_lcd_probe(struct spi_device *spi) lcd->spi_dev = spi; - lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev, - lcd, &corgi_lcd_ops); + lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "corgi_lcd", + &spi->dev, lcd, &corgi_lcd_ops); if (IS_ERR(lcd->lcd_dev)) return PTR_ERR(lcd->lcd_dev); @@ -561,18 +561,18 @@ static int corgi_lcd_probe(struct spi_device *spi) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = pdata->max_intensity; - lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd, - &corgi_bl_ops, &props); - if (IS_ERR(lcd->bl_dev)) { - ret = PTR_ERR(lcd->bl_dev); - goto err_unregister_lcd; - } + lcd->bl_dev = devm_backlight_device_register(&spi->dev, "corgi_bl", + &spi->dev, lcd, &corgi_bl_ops, + &props); + if (IS_ERR(lcd->bl_dev)) + return PTR_ERR(lcd->bl_dev); + lcd->bl_dev->props.brightness = pdata->default_intensity; lcd->bl_dev->props.power = FB_BLANK_UNBLANK; ret = setup_gpio_backlight(lcd, pdata); if (ret) - goto err_unregister_bl; + return ret; lcd->kick_battery = pdata->kick_battery; @@ -583,12 +583,6 @@ static int corgi_lcd_probe(struct spi_device *spi) lcd->limit_mask = pdata->limit_mask; the_corgi_lcd = lcd; return 0; - -err_unregister_bl: - backlight_device_unregister(lcd->bl_dev); -err_unregister_lcd: - lcd_device_unregister(lcd->lcd_dev); - return ret; } static int corgi_lcd_remove(struct spi_device *spi) @@ -598,11 +592,7 @@ static int corgi_lcd_remove(struct spi_device *spi) lcd->bl_dev->props.power = FB_BLANK_UNBLANK; lcd->bl_dev->props.brightness = 0; backlight_update_status(lcd->bl_dev); - backlight_device_unregister(lcd->bl_dev); - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->lcd_dev); - return 0; } diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c index 37bae801e23..f3fed9ef745 100644 --- a/drivers/video/backlight/cr_bllcd.c +++ b/drivers/video/backlight/cr_bllcd.c @@ -195,16 +195,17 @@ static int cr_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; - bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL, - &cr_backlight_ops, &props); + bdp = devm_backlight_device_register(&pdev->dev, "cr-backlight", + &pdev->dev, NULL, &cr_backlight_ops, + &props); if (IS_ERR(bdp)) { pci_dev_put(lpc_dev); return PTR_ERR(bdp); } - ldp = lcd_device_register("cr-lcd", &pdev->dev, NULL, &cr_lcd_ops); + ldp = devm_lcd_device_register(&pdev->dev, "cr-lcd", &pdev->dev, NULL, + &cr_lcd_ops); if (IS_ERR(ldp)) { - backlight_device_unregister(bdp); pci_dev_put(lpc_dev); return PTR_ERR(ldp); } @@ -215,8 +216,6 @@ static int cr_backlight_probe(struct platform_device *pdev) crp = devm_kzalloc(&pdev->dev, sizeof(*crp), GFP_KERNEL); if (!crp) { - lcd_device_unregister(ldp); - backlight_device_unregister(bdp); pci_dev_put(lpc_dev); return -ENOMEM; } @@ -241,8 +240,6 @@ static int cr_backlight_remove(struct platform_device *pdev) crp->cr_backlight_device->props.max_brightness = 0; cr_backlight_set_intensity(crp->cr_backlight_device); cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN); - backlight_device_unregister(crp->cr_backlight_device); - lcd_device_unregister(crp->cr_lcd_device); pci_dev_put(lpc_dev); return 0; diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index 67cadd30e27..12c5d840c59 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -109,7 +109,7 @@ static const struct backlight_ops da903x_backlight_ops = { static int da903x_backlight_probe(struct platform_device *pdev) { - struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; + struct da9034_backlight_pdata *pdata = dev_get_platdata(&pdev->dev); struct da903x_backlight_data *data; struct backlight_device *bl; struct backlight_properties props; @@ -144,8 +144,9 @@ static int da903x_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; props.max_brightness = max_brightness; - bl = backlight_device_register(pdev->name, data->da903x_dev, data, - &da903x_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, pdev->name, + data->da903x_dev, data, + &da903x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -158,21 +159,12 @@ static int da903x_backlight_probe(struct platform_device *pdev) return 0; } -static int da903x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - static struct platform_driver da903x_backlight_driver = { .driver = { .name = "da903x-backlight", .owner = THIS_MODULE, }, .probe = da903x_backlight_probe, - .remove = da903x_backlight_remove, }; module_platform_driver(da903x_backlight_driver); diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c index 842da5a3ac4..20d55becaa7 100644 --- a/drivers/video/backlight/da9052_bl.c +++ b/drivers/video/backlight/da9052_bl.c @@ -125,8 +125,9 @@ static int da9052_backlight_probe(struct platform_device *pdev) props.type = BACKLIGHT_RAW; props.max_brightness = DA9052_MAX_BRIGHTNESS; - bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds, - &da9052_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, pdev->name, + wleds->da9052->dev, wleds, + &da9052_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "Failed to register backlight\n"); return PTR_ERR(bl); @@ -147,7 +148,6 @@ static int da9052_backlight_remove(struct platform_device *pdev) wleds->brightness = 0; wleds->state = DA9052_WLEDS_OFF; da9052_adjust_wled_brightness(wleds); - backlight_device_unregister(bl); return 0; } diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c index 018368ba412..0d1f633c648 100644 --- a/drivers/video/backlight/ep93xx_bl.c +++ b/drivers/video/backlight/ep93xx_bl.c @@ -92,8 +92,8 @@ static int ep93xxbl_probe(struct platform_device *dev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = EP93XX_MAX_BRIGHT; - bl = backlight_device_register(dev->name, &dev->dev, ep93xxbl, - &ep93xxbl_ops, &props); + bl = devm_backlight_device_register(&dev->dev, dev->name, &dev->dev, + ep93xxbl, &ep93xxbl_ops, &props); if (IS_ERR(bl)) return PTR_ERR(bl); @@ -106,14 +106,6 @@ static int ep93xxbl_probe(struct platform_device *dev) return 0; } -static int ep93xxbl_remove(struct platform_device *dev) -{ - struct backlight_device *bl = platform_get_drvdata(dev); - - backlight_device_unregister(bl); - return 0; -} - #ifdef CONFIG_PM_SLEEP static int ep93xxbl_suspend(struct device *dev) { @@ -140,7 +132,6 @@ static struct platform_driver ep93xxbl_driver = { .pm = &ep93xxbl_pm_ops, }, .probe = ep93xxbl_probe, - .remove = ep93xxbl_remove, }; module_platform_driver(ep93xxbl_driver); diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index 19e393b4143..5d8d65200db 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -79,7 +79,7 @@ static const struct backlight_ops genericbl_ops = { static int genericbl_probe(struct platform_device *pdev) { struct backlight_properties props; - struct generic_bl_info *machinfo = pdev->dev.platform_data; + struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev); const char *name = "generic-bl"; struct backlight_device *bd; @@ -93,8 +93,8 @@ static int genericbl_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = machinfo->max_intensity; - bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops, - &props); + bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev, + NULL, &genericbl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); @@ -118,8 +118,6 @@ static int genericbl_remove(struct platform_device *pdev) bd->props.brightness = 0; backlight_update_status(bd); - backlight_device_unregister(bd); - dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n"); return 0; } diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c index 5fa217f9f44..81fb12770c2 100644 --- a/drivers/video/backlight/gpio_backlight.c +++ b/drivers/video/backlight/gpio_backlight.c @@ -62,7 +62,8 @@ static const struct backlight_ops gpio_backlight_ops = { static int gpio_backlight_probe(struct platform_device *pdev) { - struct gpio_backlight_platform_data *pdata = pdev->dev.platform_data; + struct gpio_backlight_platform_data *pdata = + dev_get_platdata(&pdev->dev); struct backlight_properties props; struct backlight_device *bl; struct gpio_backlight *gbl; @@ -94,8 +95,9 @@ static int gpio_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; props.max_brightness = 1; - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, gbl, - &gpio_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev), + &pdev->dev, gbl, &gpio_backlight_ops, + &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -108,21 +110,12 @@ static int gpio_backlight_probe(struct platform_device *pdev) return 0; } -static int gpio_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - static struct platform_driver gpio_backlight_driver = { .driver = { .name = "gpio-backlight", .owner = THIS_MODULE, }, .probe = gpio_backlight_probe, - .remove = gpio_backlight_remove, }; module_platform_driver(gpio_backlight_driver); diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c index c7af8c45ab8..985e854e244 100644 --- a/drivers/video/backlight/hx8357.c +++ b/drivers/video/backlight/hx8357.c @@ -648,7 +648,8 @@ static int hx8357_probe(struct spi_device *spi) lcd->use_im_pins = 0; } - lcdev = lcd_device_register("mxsfb", &spi->dev, lcd, &hx8357_ops); + lcdev = devm_lcd_device_register(&spi->dev, "mxsfb", &spi->dev, lcd, + &hx8357_ops); if (IS_ERR(lcdev)) { ret = PTR_ERR(lcdev); return ret; @@ -660,32 +661,19 @@ static int hx8357_probe(struct spi_device *spi) ret = ((int (*)(struct lcd_device *))match->data)(lcdev); if (ret) { dev_err(&spi->dev, "Couldn't initialize panel\n"); - goto init_error; + return ret; } dev_info(&spi->dev, "Panel probed\n"); return 0; - -init_error: - lcd_device_unregister(lcdev); - return ret; -} - -static int hx8357_remove(struct spi_device *spi) -{ - struct lcd_device *lcdev = spi_get_drvdata(spi); - - lcd_device_unregister(lcdev); - return 0; } static struct spi_driver hx8357_driver = { .probe = hx8357_probe, - .remove = hx8357_remove, .driver = { .name = "hx8357", - .of_match_table = of_match_ptr(hx8357_dt_ids), + .of_match_table = hx8357_dt_ids, }, }; diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c index d9f65c2d9b0..73464e4b4c7 100644 --- a/drivers/video/backlight/ili922x.c +++ b/drivers/video/backlight/ili922x.c @@ -513,8 +513,8 @@ static int ili922x_probe(struct spi_device *spi) ili->power = FB_BLANK_POWERDOWN; - lcd = lcd_device_register("ili922xlcd", &spi->dev, ili, - &ili922x_ops); + lcd = devm_lcd_device_register(&spi->dev, "ili922xlcd", &spi->dev, ili, + &ili922x_ops); if (IS_ERR(lcd)) { dev_err(&spi->dev, "cannot register LCD\n"); return PTR_ERR(lcd); @@ -530,10 +530,7 @@ static int ili922x_probe(struct spi_device *spi) static int ili922x_remove(struct spi_device *spi) { - struct ili922x *ili = spi_get_drvdata(spi); - ili922x_poweroff(spi); - lcd_device_unregister(ili->ld); return 0; } diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c index f8be90c5ded..e2b8b40a9bd 100644 --- a/drivers/video/backlight/ili9320.c +++ b/drivers/video/backlight/ili9320.c @@ -198,7 +198,7 @@ static void ili9320_setup_spi(struct ili9320 *ili, int ili9320_probe_spi(struct spi_device *spi, struct ili9320_client *client) { - struct ili9320_platdata *cfg = spi->dev.platform_data; + struct ili9320_platdata *cfg = dev_get_platdata(&spi->dev); struct device *dev = &spi->dev; struct ili9320 *ili; struct lcd_device *lcd; @@ -235,7 +235,8 @@ int ili9320_probe_spi(struct spi_device *spi, ili9320_setup_spi(ili, spi); - lcd = lcd_device_register("ili9320", dev, ili, &ili9320_ops); + lcd = devm_lcd_device_register(&spi->dev, "ili9320", dev, ili, + &ili9320_ops); if (IS_ERR(lcd)) { dev_err(dev, "failed to register lcd device\n"); return PTR_ERR(lcd); @@ -248,24 +249,16 @@ int ili9320_probe_spi(struct spi_device *spi, ret = ili9320_power(ili, FB_BLANK_UNBLANK); if (ret != 0) { dev_err(dev, "failed to set lcd power state\n"); - goto err_unregister; + return ret; } return 0; - - err_unregister: - lcd_device_unregister(lcd); - - return ret; } EXPORT_SYMBOL_GPL(ili9320_probe_spi); int ili9320_remove(struct ili9320 *ili) { ili9320_power(ili, FB_BLANK_POWERDOWN); - - lcd_device_unregister(ili->lcd); - return 0; } EXPORT_SYMBOL_GPL(ili9320_remove); diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index bca6ccc74df..7592cc25c96 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -141,7 +141,7 @@ static const struct backlight_ops kb3886bl_ops = { static int kb3886bl_probe(struct platform_device *pdev) { struct backlight_properties props; - struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data; + struct kb3886bl_machinfo *machinfo = dev_get_platdata(&pdev->dev); bl_machinfo = machinfo; if (!machinfo->limit_mask) @@ -150,10 +150,10 @@ static int kb3886bl_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = machinfo->max_intensity; - kb3886_backlight_device = backlight_device_register("kb3886-bl", - &pdev->dev, NULL, - &kb3886bl_ops, - &props); + kb3886_backlight_device = devm_backlight_device_register(&pdev->dev, + "kb3886-bl", &pdev->dev, + NULL, &kb3886bl_ops, + &props); if (IS_ERR(kb3886_backlight_device)) return PTR_ERR(kb3886_backlight_device); @@ -166,18 +166,8 @@ static int kb3886bl_probe(struct platform_device *pdev) return 0; } -static int kb3886bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - backlight_device_unregister(bd); - - return 0; -} - static struct platform_driver kb3886bl_driver = { .probe = kb3886bl_probe, - .remove = kb3886bl_remove, .driver = { .name = "kb3886-bl", .pm = &kb3886bl_pm_ops, diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 59eebe0b384..b5fc13bc24e 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -48,7 +48,7 @@ static void l4f00242t03_reset(unsigned int gpio) static void l4f00242t03_lcd_init(struct spi_device *spi) { - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); struct l4f00242t03_priv *priv = spi_get_drvdata(spi); const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; int ret; @@ -88,7 +88,7 @@ static void l4f00242t03_lcd_init(struct spi_device *spi) static void l4f00242t03_lcd_powerdown(struct spi_device *spi) { - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); struct l4f00242t03_priv *priv = spi_get_drvdata(spi); dev_dbg(&spi->dev, "Powering down LCD\n"); @@ -171,7 +171,7 @@ static struct lcd_ops l4f_ops = { static int l4f00242t03_probe(struct spi_device *spi) { struct l4f00242t03_priv *priv; - struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); int ret; if (pdata == NULL) { diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c index 1e0a3093ce5..506a6c23603 100644 --- a/drivers/video/backlight/ld9040.c +++ b/drivers/video/backlight/ld9040.c @@ -702,7 +702,7 @@ static int ld9040_probe(struct spi_device *spi) lcd->spi = spi; lcd->dev = &spi->dev; - lcd->lcd_pd = spi->dev.platform_data; + lcd->lcd_pd = dev_get_platdata(&spi->dev); if (!lcd->lcd_pd) { dev_err(&spi->dev, "platform data is NULL.\n"); return -EINVAL; @@ -716,7 +716,8 @@ static int ld9040_probe(struct spi_device *spi) return ret; } - ld = lcd_device_register("ld9040", &spi->dev, lcd, &ld9040_lcd_ops); + ld = devm_lcd_device_register(&spi->dev, "ld9040", &spi->dev, lcd, + &ld9040_lcd_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -726,12 +727,10 @@ static int ld9040_probe(struct spi_device *spi) props.type = BACKLIGHT_RAW; props.max_brightness = MAX_BRIGHTNESS; - bd = backlight_device_register("ld9040-bl", &spi->dev, - lcd, &ld9040_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_unregister_lcd; - } + bd = devm_backlight_device_register(&spi->dev, "ld9040-bl", &spi->dev, + lcd, &ld9040_backlight_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); bd->props.brightness = MAX_BRIGHTNESS; lcd->bd = bd; @@ -757,11 +756,6 @@ static int ld9040_probe(struct spi_device *spi) dev_info(&spi->dev, "ld9040 panel driver has been probed.\n"); return 0; - -out_unregister_lcd: - lcd_device_unregister(lcd->ld); - - return ret; } static int ld9040_remove(struct spi_device *spi) @@ -769,9 +763,6 @@ static int ld9040_remove(struct spi_device *spi) struct ld9040 *lcd = spi_get_drvdata(spi); ld9040_power(lcd, FB_BLANK_POWERDOWN); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); - return 0; } diff --git a/drivers/video/backlight/ld9040_gamma.h b/drivers/video/backlight/ld9040_gamma.h index 038d9c86ec0..c5e586d9738 100644 --- a/drivers/video/backlight/ld9040_gamma.h +++ b/drivers/video/backlight/ld9040_gamma.h @@ -169,7 +169,9 @@ static const unsigned int ld9040_22_50[] = { struct ld9040_gamma { unsigned int *gamma_22_table[MAX_GAMMA_LEVEL]; -} gamma_table = { +}; + +static struct ld9040_gamma gamma_table = { .gamma_22_table[0] = (unsigned int *)&ld9040_22_50, .gamma_22_table[1] = (unsigned int *)&ld9040_22_70, .gamma_22_table[2] = (unsigned int *)&ld9040_22_80, diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c index 1d1dbfb789e..187d1c283c1 100644 --- a/drivers/video/backlight/lm3533_bl.c +++ b/drivers/video/backlight/lm3533_bl.c @@ -284,7 +284,7 @@ static int lm3533_bl_probe(struct platform_device *pdev) if (!lm3533) return -EINVAL; - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); if (!pdata) { dev_err(&pdev->dev, "no platform data\n"); return -EINVAL; @@ -313,8 +313,9 @@ static int lm3533_bl_probe(struct platform_device *pdev) props.type = BACKLIGHT_RAW; props.max_brightness = LM3533_BL_MAX_BRIGHTNESS; props.brightness = pdata->default_brightness; - bd = backlight_device_register(pdata->name, pdev->dev.parent, bl, - &lm3533_bl_ops, &props); + bd = devm_backlight_device_register(&pdev->dev, pdata->name, + pdev->dev.parent, bl, &lm3533_bl_ops, + &props); if (IS_ERR(bd)) { dev_err(&pdev->dev, "failed to register backlight device\n"); return PTR_ERR(bd); @@ -328,7 +329,7 @@ static int lm3533_bl_probe(struct platform_device *pdev) ret = sysfs_create_group(&bd->dev.kobj, &lm3533_bl_attribute_group); if (ret < 0) { dev_err(&pdev->dev, "failed to create sysfs attributes\n"); - goto err_unregister; + return ret; } backlight_update_status(bd); @@ -345,8 +346,6 @@ static int lm3533_bl_probe(struct platform_device *pdev) err_sysfs_remove: sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group); -err_unregister: - backlight_device_unregister(bd); return ret; } @@ -363,7 +362,6 @@ static int lm3533_bl_remove(struct platform_device *pdev) lm3533_ctrlbank_disable(&bl->cb); sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group); - backlight_device_unregister(bd); return 0; } diff --git a/drivers/video/backlight/lm3630_bl.c b/drivers/video/backlight/lm3630_bl.c deleted file mode 100644 index 76a62e978fc..00000000000 --- a/drivers/video/backlight/lm3630_bl.c +++ /dev/null @@ -1,475 +0,0 @@ -/* -* Simple driver for Texas Instruments LM3630 Backlight driver chip -* Copyright (C) 2012 Texas Instruments -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License version 2 as -* published by the Free Software Foundation. -* -*/ -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/backlight.h> -#include <linux/err.h> -#include <linux/delay.h> -#include <linux/uaccess.h> -#include <linux/interrupt.h> -#include <linux/regmap.h> -#include <linux/platform_data/lm3630_bl.h> - -#define REG_CTRL 0x00 -#define REG_CONFIG 0x01 -#define REG_BRT_A 0x03 -#define REG_BRT_B 0x04 -#define REG_INT_STATUS 0x09 -#define REG_INT_EN 0x0A -#define REG_FAULT 0x0B -#define REG_PWM_OUTLOW 0x12 -#define REG_PWM_OUTHIGH 0x13 -#define REG_MAX 0x1F - -#define INT_DEBOUNCE_MSEC 10 - -enum lm3630_leds { - BLED_ALL = 0, - BLED_1, - BLED_2 -}; - -static const char * const bled_name[] = { - [BLED_ALL] = "lm3630_bled", /*Bank1 controls all string */ - [BLED_1] = "lm3630_bled1", /*Bank1 controls bled1 */ - [BLED_2] = "lm3630_bled2", /*Bank1 or 2 controls bled2 */ -}; - -struct lm3630_chip_data { - struct device *dev; - struct delayed_work work; - int irq; - struct workqueue_struct *irqthread; - struct lm3630_platform_data *pdata; - struct backlight_device *bled1; - struct backlight_device *bled2; - struct regmap *regmap; -}; - -/* initialize chip */ -static int lm3630_chip_init(struct lm3630_chip_data *pchip) -{ - int ret; - unsigned int reg_val; - struct lm3630_platform_data *pdata = pchip->pdata; - - /*pwm control */ - reg_val = ((pdata->pwm_active & 0x01) << 2) | (pdata->pwm_ctrl & 0x03); - ret = regmap_update_bits(pchip->regmap, REG_CONFIG, 0x07, reg_val); - if (ret < 0) - goto out; - - /* bank control */ - reg_val = ((pdata->bank_b_ctrl & 0x01) << 1) | - (pdata->bank_a_ctrl & 0x07); - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x07, reg_val); - if (ret < 0) - goto out; - - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - - /* set initial brightness */ - if (pdata->bank_a_ctrl != BANK_A_CTRL_DISABLE) { - ret = regmap_write(pchip->regmap, - REG_BRT_A, pdata->init_brt_led1); - if (ret < 0) - goto out; - } - - if (pdata->bank_b_ctrl != BANK_B_CTRL_DISABLE) { - ret = regmap_write(pchip->regmap, - REG_BRT_B, pdata->init_brt_led2); - if (ret < 0) - goto out; - } - return ret; - -out: - dev_err(pchip->dev, "i2c failed to access register\n"); - return ret; -} - -/* interrupt handling */ -static void lm3630_delayed_func(struct work_struct *work) -{ - int ret; - unsigned int reg_val; - struct lm3630_chip_data *pchip; - - pchip = container_of(work, struct lm3630_chip_data, work.work); - - ret = regmap_read(pchip->regmap, REG_INT_STATUS, ®_val); - if (ret < 0) { - dev_err(pchip->dev, - "i2c failed to access REG_INT_STATUS Register\n"); - return; - } - - dev_info(pchip->dev, "REG_INT_STATUS Register is 0x%x\n", reg_val); -} - -static irqreturn_t lm3630_isr_func(int irq, void *chip) -{ - int ret; - struct lm3630_chip_data *pchip = chip; - unsigned long delay = msecs_to_jiffies(INT_DEBOUNCE_MSEC); - - queue_delayed_work(pchip->irqthread, &pchip->work, delay); - - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - - return IRQ_HANDLED; -out: - dev_err(pchip->dev, "i2c failed to access register\n"); - return IRQ_HANDLED; -} - -static int lm3630_intr_config(struct lm3630_chip_data *pchip) -{ - INIT_DELAYED_WORK(&pchip->work, lm3630_delayed_func); - pchip->irqthread = create_singlethread_workqueue("lm3630-irqthd"); - if (!pchip->irqthread) { - dev_err(pchip->dev, "create irq thread fail...\n"); - return -1; - } - if (request_threaded_irq - (pchip->irq, NULL, lm3630_isr_func, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "lm3630_irq", pchip)) { - dev_err(pchip->dev, "request threaded irq fail..\n"); - return -1; - } - return 0; -} - -static bool -set_intensity(struct backlight_device *bl, struct lm3630_chip_data *pchip) -{ - if (!pchip->pdata->pwm_set_intensity) - return false; - pchip->pdata->pwm_set_intensity(bl->props.brightness - 1, - pchip->pdata->pwm_period); - return true; -} - -/* update and get brightness */ -static int lm3630_bank_a_update_status(struct backlight_device *bl) -{ - int ret; - struct lm3630_chip_data *pchip = bl_get_data(bl); - enum lm3630_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; - - /* brightness 0 means disable */ - if (!bl->props.brightness) { - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x04, 0x00); - if (ret < 0) - goto out; - return bl->props.brightness; - } - - /* pwm control */ - if (pwm_ctrl == PWM_CTRL_BANK_A || pwm_ctrl == PWM_CTRL_BANK_ALL) { - if (!set_intensity(bl, pchip)) - dev_err(pchip->dev, "No pwm control func. in plat-data\n"); - } else { - - /* i2c control */ - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - mdelay(1); - ret = regmap_write(pchip->regmap, - REG_BRT_A, bl->props.brightness - 1); - if (ret < 0) - goto out; - } - return bl->props.brightness; -out: - dev_err(pchip->dev, "i2c failed to access REG_CTRL\n"); - return bl->props.brightness; -} - -static int lm3630_bank_a_get_brightness(struct backlight_device *bl) -{ - unsigned int reg_val; - int brightness, ret; - struct lm3630_chip_data *pchip = bl_get_data(bl); - enum lm3630_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; - - if (pwm_ctrl == PWM_CTRL_BANK_A || pwm_ctrl == PWM_CTRL_BANK_ALL) { - ret = regmap_read(pchip->regmap, REG_PWM_OUTHIGH, ®_val); - if (ret < 0) - goto out; - brightness = reg_val & 0x01; - ret = regmap_read(pchip->regmap, REG_PWM_OUTLOW, ®_val); - if (ret < 0) - goto out; - brightness = ((brightness << 8) | reg_val) + 1; - } else { - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - mdelay(1); - ret = regmap_read(pchip->regmap, REG_BRT_A, ®_val); - if (ret < 0) - goto out; - brightness = reg_val + 1; - } - bl->props.brightness = brightness; - return bl->props.brightness; -out: - dev_err(pchip->dev, "i2c failed to access register\n"); - return 0; -} - -static const struct backlight_ops lm3630_bank_a_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = lm3630_bank_a_update_status, - .get_brightness = lm3630_bank_a_get_brightness, -}; - -static int lm3630_bank_b_update_status(struct backlight_device *bl) -{ - int ret; - struct lm3630_chip_data *pchip = bl_get_data(bl); - enum lm3630_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; - - if (pwm_ctrl == PWM_CTRL_BANK_B || pwm_ctrl == PWM_CTRL_BANK_ALL) { - if (!set_intensity(bl, pchip)) - dev_err(pchip->dev, - "no pwm control func. in plat-data\n"); - } else { - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - mdelay(1); - ret = regmap_write(pchip->regmap, - REG_BRT_B, bl->props.brightness - 1); - } - return bl->props.brightness; -out: - dev_err(pchip->dev, "i2c failed to access register\n"); - return bl->props.brightness; -} - -static int lm3630_bank_b_get_brightness(struct backlight_device *bl) -{ - unsigned int reg_val; - int brightness, ret; - struct lm3630_chip_data *pchip = bl_get_data(bl); - enum lm3630_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; - - if (pwm_ctrl == PWM_CTRL_BANK_B || pwm_ctrl == PWM_CTRL_BANK_ALL) { - ret = regmap_read(pchip->regmap, REG_PWM_OUTHIGH, ®_val); - if (ret < 0) - goto out; - brightness = reg_val & 0x01; - ret = regmap_read(pchip->regmap, REG_PWM_OUTLOW, ®_val); - if (ret < 0) - goto out; - brightness = ((brightness << 8) | reg_val) + 1; - } else { - ret = regmap_update_bits(pchip->regmap, REG_CTRL, 0x80, 0x00); - if (ret < 0) - goto out; - mdelay(1); - ret = regmap_read(pchip->regmap, REG_BRT_B, ®_val); - if (ret < 0) - goto out; - brightness = reg_val + 1; - } - bl->props.brightness = brightness; - - return bl->props.brightness; -out: - dev_err(pchip->dev, "i2c failed to access register\n"); - return bl->props.brightness; -} - -static const struct backlight_ops lm3630_bank_b_ops = { - .options = BL_CORE_SUSPENDRESUME, - .update_status = lm3630_bank_b_update_status, - .get_brightness = lm3630_bank_b_get_brightness, -}; - -static int lm3630_backlight_register(struct lm3630_chip_data *pchip, - enum lm3630_leds ledno) -{ - const char *name = bled_name[ledno]; - struct backlight_properties props; - struct lm3630_platform_data *pdata = pchip->pdata; - - props.type = BACKLIGHT_RAW; - switch (ledno) { - case BLED_1: - case BLED_ALL: - props.brightness = pdata->init_brt_led1; - props.max_brightness = pdata->max_brt_led1; - pchip->bled1 = - backlight_device_register(name, pchip->dev, pchip, - &lm3630_bank_a_ops, &props); - if (IS_ERR(pchip->bled1)) - return PTR_ERR(pchip->bled1); - break; - case BLED_2: - props.brightness = pdata->init_brt_led2; - props.max_brightness = pdata->max_brt_led2; - pchip->bled2 = - backlight_device_register(name, pchip->dev, pchip, - &lm3630_bank_b_ops, &props); - if (IS_ERR(pchip->bled2)) - return PTR_ERR(pchip->bled2); - break; - } - return 0; -} - -static void lm3630_backlight_unregister(struct lm3630_chip_data *pchip) -{ - if (pchip->bled1) - backlight_device_unregister(pchip->bled1); - if (pchip->bled2) - backlight_device_unregister(pchip->bled2); -} - -static const struct regmap_config lm3630_regmap = { - .reg_bits = 8, - .val_bits = 8, - .max_register = REG_MAX, -}; - -static int lm3630_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct lm3630_platform_data *pdata = client->dev.platform_data; - struct lm3630_chip_data *pchip; - int ret; - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_err(&client->dev, "fail : i2c functionality check...\n"); - return -EOPNOTSUPP; - } - - if (pdata == NULL) { - dev_err(&client->dev, "fail : no platform data.\n"); - return -ENODATA; - } - - pchip = devm_kzalloc(&client->dev, sizeof(struct lm3630_chip_data), - GFP_KERNEL); - if (!pchip) - return -ENOMEM; - pchip->pdata = pdata; - pchip->dev = &client->dev; - - pchip->regmap = devm_regmap_init_i2c(client, &lm3630_regmap); - if (IS_ERR(pchip->regmap)) { - ret = PTR_ERR(pchip->regmap); - dev_err(&client->dev, "fail : allocate register map: %d\n", - ret); - return ret; - } - i2c_set_clientdata(client, pchip); - - /* chip initialize */ - ret = lm3630_chip_init(pchip); - if (ret < 0) { - dev_err(&client->dev, "fail : init chip\n"); - goto err_chip_init; - } - - switch (pdata->bank_a_ctrl) { - case BANK_A_CTRL_ALL: - ret = lm3630_backlight_register(pchip, BLED_ALL); - pdata->bank_b_ctrl = BANK_B_CTRL_DISABLE; - break; - case BANK_A_CTRL_LED1: - ret = lm3630_backlight_register(pchip, BLED_1); - break; - case BANK_A_CTRL_LED2: - ret = lm3630_backlight_register(pchip, BLED_2); - pdata->bank_b_ctrl = BANK_B_CTRL_DISABLE; - break; - default: - break; - } - - if (ret < 0) - goto err_bl_reg; - - if (pdata->bank_b_ctrl && pchip->bled2 == NULL) { - ret = lm3630_backlight_register(pchip, BLED_2); - if (ret < 0) - goto err_bl_reg; - } - - /* interrupt enable : irq 0 is not allowed for lm3630 */ - pchip->irq = client->irq; - if (pchip->irq) - lm3630_intr_config(pchip); - - dev_info(&client->dev, "LM3630 backlight register OK.\n"); - return 0; - -err_bl_reg: - dev_err(&client->dev, "fail : backlight register.\n"); - lm3630_backlight_unregister(pchip); -err_chip_init: - return ret; -} - -static int lm3630_remove(struct i2c_client *client) -{ - int ret; - struct lm3630_chip_data *pchip = i2c_get_clientdata(client); - - ret = regmap_write(pchip->regmap, REG_BRT_A, 0); - if (ret < 0) - dev_err(pchip->dev, "i2c failed to access register\n"); - - ret = regmap_write(pchip->regmap, REG_BRT_B, 0); - if (ret < 0) - dev_err(pchip->dev, "i2c failed to access register\n"); - - lm3630_backlight_unregister(pchip); - if (pchip->irq) { - free_irq(pchip->irq, pchip); - flush_workqueue(pchip->irqthread); - destroy_workqueue(pchip->irqthread); - } - return 0; -} - -static const struct i2c_device_id lm3630_id[] = { - {LM3630_NAME, 0}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, lm3630_id); - -static struct i2c_driver lm3630_i2c_driver = { - .driver = { - .name = LM3630_NAME, - }, - .probe = lm3630_probe, - .remove = lm3630_remove, - .id_table = lm3630_id, -}; - -module_i2c_driver(lm3630_i2c_driver); - -MODULE_DESCRIPTION("Texas Instruments Backlight driver for LM3630"); -MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@gmail.com>"); -MODULE_AUTHOR("Daniel Jeong <daniel.jeong@ti.com>"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c new file mode 100644 index 00000000000..35fe4825a45 --- /dev/null +++ b/drivers/video/backlight/lm3630a_bl.c @@ -0,0 +1,483 @@ +/* +* Simple driver for Texas Instruments LM3630A Backlight driver chip +* Copyright (C) 2012 Texas Instruments +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 as +* published by the Free Software Foundation. +* +*/ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/uaccess.h> +#include <linux/interrupt.h> +#include <linux/regmap.h> +#include <linux/pwm.h> +#include <linux/platform_data/lm3630a_bl.h> + +#define REG_CTRL 0x00 +#define REG_BOOST 0x02 +#define REG_CONFIG 0x01 +#define REG_BRT_A 0x03 +#define REG_BRT_B 0x04 +#define REG_I_A 0x05 +#define REG_I_B 0x06 +#define REG_INT_STATUS 0x09 +#define REG_INT_EN 0x0A +#define REG_FAULT 0x0B +#define REG_PWM_OUTLOW 0x12 +#define REG_PWM_OUTHIGH 0x13 +#define REG_MAX 0x1F + +#define INT_DEBOUNCE_MSEC 10 +struct lm3630a_chip { + struct device *dev; + struct delayed_work work; + + int irq; + struct workqueue_struct *irqthread; + struct lm3630a_platform_data *pdata; + struct backlight_device *bleda; + struct backlight_device *bledb; + struct regmap *regmap; + struct pwm_device *pwmd; +}; + +/* i2c access */ +static int lm3630a_read(struct lm3630a_chip *pchip, unsigned int reg) +{ + int rval; + unsigned int reg_val; + + rval = regmap_read(pchip->regmap, reg, ®_val); + if (rval < 0) + return rval; + return reg_val & 0xFF; +} + +static int lm3630a_write(struct lm3630a_chip *pchip, + unsigned int reg, unsigned int data) +{ + return regmap_write(pchip->regmap, reg, data); +} + +static int lm3630a_update(struct lm3630a_chip *pchip, + unsigned int reg, unsigned int mask, + unsigned int data) +{ + return regmap_update_bits(pchip->regmap, reg, mask, data); +} + +/* initialize chip */ +static int lm3630a_chip_init(struct lm3630a_chip *pchip) +{ + int rval; + struct lm3630a_platform_data *pdata = pchip->pdata; + + usleep_range(1000, 2000); + /* set Filter Strength Register */ + rval = lm3630a_write(pchip, 0x50, 0x03); + /* set Cofig. register */ + rval |= lm3630a_update(pchip, REG_CONFIG, 0x07, pdata->pwm_ctrl); + /* set boost control */ + rval |= lm3630a_write(pchip, REG_BOOST, 0x38); + /* set current A */ + rval |= lm3630a_update(pchip, REG_I_A, 0x1F, 0x1F); + /* set current B */ + rval |= lm3630a_write(pchip, REG_I_B, 0x1F); + /* set control */ + rval |= lm3630a_update(pchip, REG_CTRL, 0x14, pdata->leda_ctrl); + rval |= lm3630a_update(pchip, REG_CTRL, 0x0B, pdata->ledb_ctrl); + usleep_range(1000, 2000); + /* set brightness A and B */ + rval |= lm3630a_write(pchip, REG_BRT_A, pdata->leda_init_brt); + rval |= lm3630a_write(pchip, REG_BRT_B, pdata->ledb_init_brt); + + if (rval < 0) + dev_err(pchip->dev, "i2c failed to access register\n"); + return rval; +} + +/* interrupt handling */ +static void lm3630a_delayed_func(struct work_struct *work) +{ + int rval; + struct lm3630a_chip *pchip; + + pchip = container_of(work, struct lm3630a_chip, work.work); + + rval = lm3630a_read(pchip, REG_INT_STATUS); + if (rval < 0) { + dev_err(pchip->dev, + "i2c failed to access REG_INT_STATUS Register\n"); + return; + } + + dev_info(pchip->dev, "REG_INT_STATUS Register is 0x%x\n", rval); +} + +static irqreturn_t lm3630a_isr_func(int irq, void *chip) +{ + int rval; + struct lm3630a_chip *pchip = chip; + unsigned long delay = msecs_to_jiffies(INT_DEBOUNCE_MSEC); + + queue_delayed_work(pchip->irqthread, &pchip->work, delay); + + rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); + if (rval < 0) { + dev_err(pchip->dev, "i2c failed to access register\n"); + return IRQ_NONE; + } + return IRQ_HANDLED; +} + +static int lm3630a_intr_config(struct lm3630a_chip *pchip) +{ + int rval; + + rval = lm3630a_write(pchip, REG_INT_EN, 0x87); + if (rval < 0) + return rval; + + INIT_DELAYED_WORK(&pchip->work, lm3630a_delayed_func); + pchip->irqthread = create_singlethread_workqueue("lm3630a-irqthd"); + if (!pchip->irqthread) { + dev_err(pchip->dev, "create irq thread fail\n"); + return -ENOMEM; + } + if (request_threaded_irq + (pchip->irq, NULL, lm3630a_isr_func, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "lm3630a_irq", pchip)) { + dev_err(pchip->dev, "request threaded irq fail\n"); + destroy_workqueue(pchip->irqthread); + return -ENOMEM; + } + return rval; +} + +static void lm3630a_pwm_ctrl(struct lm3630a_chip *pchip, int br, int br_max) +{ + unsigned int period = pwm_get_period(pchip->pwmd); + unsigned int duty = br * period / br_max; + + pwm_config(pchip->pwmd, duty, period); + if (duty) + pwm_enable(pchip->pwmd); + else + pwm_disable(pchip->pwmd); +} + +/* update and get brightness */ +static int lm3630a_bank_a_update_status(struct backlight_device *bl) +{ + int ret; + struct lm3630a_chip *pchip = bl_get_data(bl); + enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; + + /* pwm control */ + if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0) { + lm3630a_pwm_ctrl(pchip, bl->props.brightness, + bl->props.max_brightness); + return bl->props.brightness; + } + + /* disable sleep */ + ret = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); + if (ret < 0) + goto out_i2c_err; + usleep_range(1000, 2000); + /* minimum brightness is 0x04 */ + ret = lm3630a_write(pchip, REG_BRT_A, bl->props.brightness); + if (bl->props.brightness < 0x4) + ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDA_ENABLE, 0); + else + ret |= lm3630a_update(pchip, REG_CTRL, + LM3630A_LEDA_ENABLE, LM3630A_LEDA_ENABLE); + if (ret < 0) + goto out_i2c_err; + return bl->props.brightness; + +out_i2c_err: + dev_err(pchip->dev, "i2c failed to access\n"); + return bl->props.brightness; +} + +static int lm3630a_bank_a_get_brightness(struct backlight_device *bl) +{ + int brightness, rval; + struct lm3630a_chip *pchip = bl_get_data(bl); + enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; + + if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0) { + rval = lm3630a_read(pchip, REG_PWM_OUTHIGH); + if (rval < 0) + goto out_i2c_err; + brightness = (rval & 0x01) << 8; + rval = lm3630a_read(pchip, REG_PWM_OUTLOW); + if (rval < 0) + goto out_i2c_err; + brightness |= rval; + goto out; + } + + /* disable sleep */ + rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); + if (rval < 0) + goto out_i2c_err; + usleep_range(1000, 2000); + rval = lm3630a_read(pchip, REG_BRT_A); + if (rval < 0) + goto out_i2c_err; + brightness = rval; + +out: + bl->props.brightness = brightness; + return bl->props.brightness; +out_i2c_err: + dev_err(pchip->dev, "i2c failed to access register\n"); + return 0; +} + +static const struct backlight_ops lm3630a_bank_a_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = lm3630a_bank_a_update_status, + .get_brightness = lm3630a_bank_a_get_brightness, +}; + +/* update and get brightness */ +static int lm3630a_bank_b_update_status(struct backlight_device *bl) +{ + int ret; + struct lm3630a_chip *pchip = bl_get_data(bl); + enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; + + /* pwm control */ + if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0) { + lm3630a_pwm_ctrl(pchip, bl->props.brightness, + bl->props.max_brightness); + return bl->props.brightness; + } + + /* disable sleep */ + ret = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); + if (ret < 0) + goto out_i2c_err; + usleep_range(1000, 2000); + /* minimum brightness is 0x04 */ + ret = lm3630a_write(pchip, REG_BRT_B, bl->props.brightness); + if (bl->props.brightness < 0x4) + ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDB_ENABLE, 0); + else + ret |= lm3630a_update(pchip, REG_CTRL, + LM3630A_LEDB_ENABLE, LM3630A_LEDB_ENABLE); + if (ret < 0) + goto out_i2c_err; + return bl->props.brightness; + +out_i2c_err: + dev_err(pchip->dev, "i2c failed to access REG_CTRL\n"); + return bl->props.brightness; +} + +static int lm3630a_bank_b_get_brightness(struct backlight_device *bl) +{ + int brightness, rval; + struct lm3630a_chip *pchip = bl_get_data(bl); + enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; + + if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0) { + rval = lm3630a_read(pchip, REG_PWM_OUTHIGH); + if (rval < 0) + goto out_i2c_err; + brightness = (rval & 0x01) << 8; + rval = lm3630a_read(pchip, REG_PWM_OUTLOW); + if (rval < 0) + goto out_i2c_err; + brightness |= rval; + goto out; + } + + /* disable sleep */ + rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); + if (rval < 0) + goto out_i2c_err; + usleep_range(1000, 2000); + rval = lm3630a_read(pchip, REG_BRT_B); + if (rval < 0) + goto out_i2c_err; + brightness = rval; + +out: + bl->props.brightness = brightness; + return bl->props.brightness; +out_i2c_err: + dev_err(pchip->dev, "i2c failed to access register\n"); + return 0; +} + +static const struct backlight_ops lm3630a_bank_b_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = lm3630a_bank_b_update_status, + .get_brightness = lm3630a_bank_b_get_brightness, +}; + +static int lm3630a_backlight_register(struct lm3630a_chip *pchip) +{ + struct backlight_properties props; + struct lm3630a_platform_data *pdata = pchip->pdata; + + props.type = BACKLIGHT_RAW; + if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) { + props.brightness = pdata->leda_init_brt; + props.max_brightness = pdata->leda_max_brt; + pchip->bleda = + devm_backlight_device_register(pchip->dev, "lm3630a_leda", + pchip->dev, pchip, + &lm3630a_bank_a_ops, &props); + if (IS_ERR(pchip->bleda)) + return PTR_ERR(pchip->bleda); + } + + if ((pdata->ledb_ctrl != LM3630A_LEDB_DISABLE) && + (pdata->ledb_ctrl != LM3630A_LEDB_ON_A)) { + props.brightness = pdata->ledb_init_brt; + props.max_brightness = pdata->ledb_max_brt; + pchip->bledb = + devm_backlight_device_register(pchip->dev, "lm3630a_ledb", + pchip->dev, pchip, + &lm3630a_bank_b_ops, &props); + if (IS_ERR(pchip->bledb)) + return PTR_ERR(pchip->bledb); + } + return 0; +} + +static const struct regmap_config lm3630a_regmap = { + .reg_bits = 8, + .val_bits = 8, + .max_register = REG_MAX, +}; + +static int lm3630a_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lm3630a_platform_data *pdata = dev_get_platdata(&client->dev); + struct lm3630a_chip *pchip; + int rval; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_err(&client->dev, "fail : i2c functionality check\n"); + return -EOPNOTSUPP; + } + + pchip = devm_kzalloc(&client->dev, sizeof(struct lm3630a_chip), + GFP_KERNEL); + if (!pchip) + return -ENOMEM; + pchip->dev = &client->dev; + + pchip->regmap = devm_regmap_init_i2c(client, &lm3630a_regmap); + if (IS_ERR(pchip->regmap)) { + rval = PTR_ERR(pchip->regmap); + dev_err(&client->dev, "fail : allocate reg. map: %d\n", rval); + return rval; + } + + i2c_set_clientdata(client, pchip); + if (pdata == NULL) { + pdata = devm_kzalloc(pchip->dev, + sizeof(struct lm3630a_platform_data), + GFP_KERNEL); + if (pdata == NULL) + return -ENOMEM; + /* default values */ + pdata->leda_ctrl = LM3630A_LEDA_ENABLE; + pdata->ledb_ctrl = LM3630A_LEDB_ENABLE; + pdata->leda_max_brt = LM3630A_MAX_BRIGHTNESS; + pdata->ledb_max_brt = LM3630A_MAX_BRIGHTNESS; + pdata->leda_init_brt = LM3630A_MAX_BRIGHTNESS; + pdata->ledb_init_brt = LM3630A_MAX_BRIGHTNESS; + } + pchip->pdata = pdata; + + /* chip initialize */ + rval = lm3630a_chip_init(pchip); + if (rval < 0) { + dev_err(&client->dev, "fail : init chip\n"); + return rval; + } + /* backlight register */ + rval = lm3630a_backlight_register(pchip); + if (rval < 0) { + dev_err(&client->dev, "fail : backlight register.\n"); + return rval; + } + /* pwm */ + if (pdata->pwm_ctrl != LM3630A_PWM_DISABLE) { + pchip->pwmd = devm_pwm_get(pchip->dev, "lm3630a-pwm"); + if (IS_ERR(pchip->pwmd)) { + dev_err(&client->dev, "fail : get pwm device\n"); + return PTR_ERR(pchip->pwmd); + } + } + pchip->pwmd->period = pdata->pwm_period; + + /* interrupt enable : irq 0 is not allowed */ + pchip->irq = client->irq; + if (pchip->irq) { + rval = lm3630a_intr_config(pchip); + if (rval < 0) + return rval; + } + dev_info(&client->dev, "LM3630A backlight register OK.\n"); + return 0; +} + +static int lm3630a_remove(struct i2c_client *client) +{ + int rval; + struct lm3630a_chip *pchip = i2c_get_clientdata(client); + + rval = lm3630a_write(pchip, REG_BRT_A, 0); + if (rval < 0) + dev_err(pchip->dev, "i2c failed to access register\n"); + + rval = lm3630a_write(pchip, REG_BRT_B, 0); + if (rval < 0) + dev_err(pchip->dev, "i2c failed to access register\n"); + + if (pchip->irq) { + free_irq(pchip->irq, pchip); + flush_workqueue(pchip->irqthread); + destroy_workqueue(pchip->irqthread); + } + return 0; +} + +static const struct i2c_device_id lm3630a_id[] = { + {LM3630A_NAME, 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, lm3630a_id); + +static struct i2c_driver lm3630a_i2c_driver = { + .driver = { + .name = LM3630A_NAME, + }, + .probe = lm3630a_probe, + .remove = lm3630a_remove, + .id_table = lm3630a_id, +}; + +module_i2c_driver(lm3630a_i2c_driver); + +MODULE_DESCRIPTION("Texas Instruments Backlight driver for LM3630A"); +MODULE_AUTHOR("Daniel Jeong <gshark.jeong@gmail.com>"); +MODULE_AUTHOR("LDD MLP <ldd-mlp@list.ti.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c index 053964da8dd..6fd60adf922 100644 --- a/drivers/video/backlight/lm3639_bl.c +++ b/drivers/video/backlight/lm3639_bl.c @@ -76,10 +76,13 @@ static int lm3639_chip_init(struct lm3639_chip_data *pchip) goto out; /* output pins config. */ - if (!pdata->init_brt_led) - reg_val = pdata->fled_pins | pdata->bled_pins; - else - reg_val = pdata->fled_pins | pdata->bled_pins | 0x01; + if (!pdata->init_brt_led) { + reg_val = pdata->fled_pins; + reg_val |= pdata->bled_pins; + } else { + reg_val = pdata->fled_pins; + reg_val |= pdata->bled_pins | 0x01; + } ret = regmap_update_bits(pchip->regmap, REG_ENABLE, 0x79, reg_val); if (ret < 0) @@ -304,7 +307,7 @@ static int lm3639_probe(struct i2c_client *client, { int ret; struct lm3639_chip_data *pchip; - struct lm3639_platform_data *pdata = client->dev.platform_data; + struct lm3639_platform_data *pdata = dev_get_platdata(&client->dev); struct backlight_properties props; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index 4eec47261cd..de8832504f6 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -128,7 +128,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power) { struct lms283gf05_state *st = lcd_get_data(ld); struct spi_device *spi = st->spi; - struct lms283gf05_pdata *pdata = spi->dev.platform_data; + struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev); if (power <= FB_BLANK_NORMAL) { if (pdata) @@ -153,7 +153,7 @@ static struct lcd_ops lms_ops = { static int lms283gf05_probe(struct spi_device *spi) { struct lms283gf05_state *st; - struct lms283gf05_pdata *pdata = spi->dev.platform_data; + struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev); struct lcd_device *ld; int ret = 0; @@ -173,7 +173,8 @@ static int lms283gf05_probe(struct spi_device *spi) return -ENOMEM; } - ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops); + ld = devm_lcd_device_register(&spi->dev, "lms283gf05", &spi->dev, st, + &lms_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -190,22 +191,12 @@ static int lms283gf05_probe(struct spi_device *spi) return 0; } -static int lms283gf05_remove(struct spi_device *spi) -{ - struct lms283gf05_state *st = spi_get_drvdata(spi); - - lcd_device_unregister(st->ld); - - return 0; -} - static struct spi_driver lms283gf05_driver = { .driver = { .name = "lms283gf05", .owner = THIS_MODULE, }, .probe = lms283gf05_probe, - .remove = lms283gf05_remove, }; module_spi_driver(lms283gf05_driver); diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c index cf01b9ac813..77258b7b04b 100644 --- a/drivers/video/backlight/lms501kf03.c +++ b/drivers/video/backlight/lms501kf03.c @@ -344,14 +344,14 @@ static int lms501kf03_probe(struct spi_device *spi) lcd->spi = spi; lcd->dev = &spi->dev; - lcd->lcd_pd = spi->dev.platform_data; + lcd->lcd_pd = dev_get_platdata(&spi->dev); if (!lcd->lcd_pd) { dev_err(&spi->dev, "platform data is NULL\n"); return -EINVAL; } - ld = lcd_device_register("lms501kf03", &spi->dev, lcd, - &lms501kf03_lcd_ops); + ld = devm_lcd_device_register(&spi->dev, "lms501kf03", &spi->dev, lcd, + &lms501kf03_lcd_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -382,8 +382,6 @@ static int lms501kf03_remove(struct spi_device *spi) struct lms501kf03 *lcd = spi_get_drvdata(spi); lms501kf03_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->ld); - return 0; } diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index c0b41f13bd4..cae80d555e8 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -26,13 +26,15 @@ #define LP8556_EPROM_START 0xA0 #define LP8556_EPROM_END 0xAF -/* LP8557 Registers */ +/* LP8555/7 Registers */ #define LP8557_BL_CMD 0x00 #define LP8557_BL_MASK 0x01 #define LP8557_BL_ON 0x01 #define LP8557_BL_OFF 0x00 #define LP8557_BRIGHTNESS_CTRL 0x04 #define LP8557_CONFIG 0x10 +#define LP8555_EPROM_START 0x10 +#define LP8555_EPROM_END 0x7A #define LP8557_EPROM_START 0x10 #define LP8557_EPROM_END 0x1E @@ -111,6 +113,10 @@ static bool lp855x_is_valid_rom_area(struct lp855x *lp, u8 addr) start = LP8556_EPROM_START; end = LP8556_EPROM_END; break; + case LP8555: + start = LP8555_EPROM_START; + end = LP8555_EPROM_END; + break; case LP8557: start = LP8557_EPROM_START; end = LP8557_EPROM_END; @@ -165,9 +171,14 @@ static int lp855x_configure(struct lp855x *lp) struct lp855x_platform_data *pd = lp->pdata; switch (lp->chip_id) { - case LP8550 ... LP8556: + case LP8550: + case LP8551: + case LP8552: + case LP8553: + case LP8556: lp->cfg = &lp855x_dev_cfg; break; + case LP8555: case LP8557: lp->cfg = &lp8557_dev_cfg; break; @@ -289,7 +300,7 @@ static int lp855x_backlight_register(struct lp855x *lp) props.brightness = pdata->initial_brightness; - bl = backlight_device_register(name, lp->dev, lp, + bl = devm_backlight_device_register(lp->dev, name, lp->dev, lp, &lp855x_bl_ops, &props); if (IS_ERR(bl)) return PTR_ERR(bl); @@ -299,12 +310,6 @@ static int lp855x_backlight_register(struct lp855x *lp) return 0; } -static void lp855x_backlight_unregister(struct lp855x *lp) -{ - if (lp->bl) - backlight_device_unregister(lp->bl); -} - static ssize_t lp855x_get_chip_id(struct device *dev, struct device_attribute *attr, char *buf) { @@ -394,7 +399,7 @@ static int lp855x_parse_dt(struct device *dev, struct device_node *node) static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) { struct lp855x *lp; - struct lp855x_platform_data *pdata = cl->dev.platform_data; + struct lp855x_platform_data *pdata = dev_get_platdata(&cl->dev); struct device_node *node = cl->dev.of_node; int ret; @@ -403,7 +408,7 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) if (ret < 0) return ret; - pdata = cl->dev.platform_data; + pdata = dev_get_platdata(&cl->dev); } if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) @@ -428,29 +433,24 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) ret = lp855x_configure(lp); if (ret) { dev_err(lp->dev, "device config err: %d", ret); - goto err_dev; + return ret; } ret = lp855x_backlight_register(lp); if (ret) { dev_err(lp->dev, "failed to register backlight. err: %d\n", ret); - goto err_dev; + return ret; } ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group); if (ret) { dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret); - goto err_sysfs; + return ret; } backlight_update_status(lp->bl); return 0; - -err_sysfs: - lp855x_backlight_unregister(lp); -err_dev: - return ret; } static int lp855x_remove(struct i2c_client *cl) @@ -460,7 +460,6 @@ static int lp855x_remove(struct i2c_client *cl) lp->bl->props.brightness = 0; backlight_update_status(lp->bl); sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); - lp855x_backlight_unregister(lp); return 0; } @@ -470,6 +469,7 @@ static const struct of_device_id lp855x_dt_ids[] = { { .compatible = "ti,lp8551", }, { .compatible = "ti,lp8552", }, { .compatible = "ti,lp8553", }, + { .compatible = "ti,lp8555", }, { .compatible = "ti,lp8556", }, { .compatible = "ti,lp8557", }, { } @@ -481,6 +481,7 @@ static const struct i2c_device_id lp855x_ids[] = { {"lp8551", LP8551}, {"lp8552", LP8552}, {"lp8553", LP8553}, + {"lp8555", LP8555}, {"lp8556", LP8556}, {"lp8557", LP8557}, { } diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c index 980855ec9bb..e49905d495d 100644 --- a/drivers/video/backlight/lp8788_bl.c +++ b/drivers/video/backlight/lp8788_bl.c @@ -52,7 +52,7 @@ struct lp8788_bl { struct pwm_device *pwm; }; -struct lp8788_bl_config default_bl_config = { +static struct lp8788_bl_config default_bl_config = { .bl_mode = LP8788_BL_REGISTER_ONLY, .dim_mode = LP8788_DIM_EXPONENTIAL, .full_scale = LP8788_FULLSCALE_1900uA, diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index ed1b3926813..383f550e165 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -242,7 +242,8 @@ static int ltv350qv_probe(struct spi_device *spi) if (!lcd->buffer) return -ENOMEM; - ld = lcd_device_register("ltv350qv", &spi->dev, lcd, <v_ops); + ld = devm_lcd_device_register(&spi->dev, "ltv350qv", &spi->dev, lcd, + <v_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -250,15 +251,11 @@ static int ltv350qv_probe(struct spi_device *spi) ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); if (ret) - goto out_unregister; + return ret; spi_set_drvdata(spi, lcd); return 0; - -out_unregister: - lcd_device_unregister(ld); - return ret; } static int ltv350qv_remove(struct spi_device *spi) @@ -266,8 +263,6 @@ static int ltv350qv_remove(struct spi_device *spi) struct ltv350qv *lcd = spi_get_drvdata(spi); ltv350qv_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->ld); - return 0; } diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c index 498fd73d59b..1802b2d1357 100644 --- a/drivers/video/backlight/lv5207lp.c +++ b/drivers/video/backlight/lv5207lp.c @@ -93,7 +93,7 @@ static const struct backlight_ops lv5207lp_backlight_ops = { static int lv5207lp_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct lv5207lp_platform_data *pdata = client->dev.platform_data; + struct lv5207lp_platform_data *pdata = dev_get_platdata(&client->dev); struct backlight_device *backlight; struct backlight_properties props; struct lv5207lp *lv; @@ -124,9 +124,9 @@ static int lv5207lp_probe(struct i2c_client *client, props.brightness = clamp_t(unsigned int, pdata->def_value, 0, props.max_brightness); - backlight = backlight_device_register(dev_name(&client->dev), - &lv->client->dev, lv, - &lv5207lp_backlight_ops, &props); + backlight = devm_backlight_device_register(&client->dev, + dev_name(&client->dev), &lv->client->dev, + lv, &lv5207lp_backlight_ops, &props); if (IS_ERR(backlight)) { dev_err(&client->dev, "failed to register backlight\n"); return PTR_ERR(backlight); @@ -144,7 +144,6 @@ static int lv5207lp_remove(struct i2c_client *client) backlight->props.brightness = 0; backlight_update_status(backlight); - backlight_device_unregister(backlight); return 0; } diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c index 886e797f75f..66fa08c920d 100644 --- a/drivers/video/backlight/max8925_bl.c +++ b/drivers/video/backlight/max8925_bl.c @@ -163,7 +163,8 @@ static int max8925_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = MAX_BRIGHTNESS; - bl = backlight_device_register("max8925-backlight", &pdev->dev, data, + bl = devm_backlight_device_register(&pdev->dev, "max8925-backlight", + &pdev->dev, data, &max8925_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); @@ -188,20 +189,9 @@ static int max8925_backlight_probe(struct platform_device *pdev) } ret = max8925_set_bits(chip->i2c, data->reg_mode_cntl, 0xfe, value); if (ret < 0) - goto out_brt; + return ret; backlight_update_status(bl); return 0; -out_brt: - backlight_device_unregister(bl); - return ret; -} - -static int max8925_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; } static struct platform_driver max8925_backlight_driver = { @@ -210,7 +200,6 @@ static struct platform_driver max8925_backlight_driver = { .owner = THIS_MODULE, }, .probe = max8925_backlight_probe, - .remove = max8925_backlight_remove, }; module_platform_driver(max8925_backlight_driver); diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index 812e22e35ca..ac11a4650c1 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -133,7 +133,7 @@ static int omapbl_probe(struct platform_device *pdev) struct backlight_properties props; struct backlight_device *dev; struct omap_backlight *bl; - struct omap_backlight_config *pdata = pdev->dev.platform_data; + struct omap_backlight_config *pdata = dev_get_platdata(&pdev->dev); if (!pdata) return -ENXIO; diff --git a/drivers/video/backlight/pandora_bl.c b/drivers/video/backlight/pandora_bl.c index 633b0a22fd6..2098c5d6efb 100644 --- a/drivers/video/backlight/pandora_bl.c +++ b/drivers/video/backlight/pandora_bl.c @@ -120,8 +120,8 @@ static int pandora_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(props)); props.max_brightness = MAX_USER_VALUE; props.type = BACKLIGHT_RAW; - bl = backlight_device_register(pdev->name, &pdev->dev, - NULL, &pandora_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, pdev->name, &pdev->dev, + NULL, &pandora_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -145,20 +145,12 @@ static int pandora_backlight_probe(struct platform_device *pdev) return 0; } -static int pandora_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - backlight_device_unregister(bl); - return 0; -} - static struct platform_driver pandora_backlight_driver = { .driver = { .name = "pandora-backlight", .owner = THIS_MODULE, }, .probe = pandora_backlight_probe, - .remove = pandora_backlight_remove, }; module_platform_driver(pandora_backlight_driver); diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c index 6ed76be18f1..b95d3b0aaff 100644 --- a/drivers/video/backlight/pcf50633-backlight.c +++ b/drivers/video/backlight/pcf50633-backlight.c @@ -103,7 +103,7 @@ static int pcf50633_bl_probe(struct platform_device *pdev) { struct pcf50633_bl *pcf_bl; struct device *parent = pdev->dev.parent; - struct pcf50633_platform_data *pcf50633_data = parent->platform_data; + struct pcf50633_platform_data *pcf50633_data = dev_get_platdata(parent); struct pcf50633_bl_platform_data *pdata = pcf50633_data->backlight_data; struct backlight_properties bl_props; @@ -126,7 +126,8 @@ static int pcf50633_bl_probe(struct platform_device *pdev) pcf_bl->pcf = dev_to_pcf50633(pdev->dev.parent); - pcf_bl->bl = backlight_device_register(pdev->name, &pdev->dev, pcf_bl, + pcf_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name, + &pdev->dev, pcf_bl, &pcf50633_bl_ops, &bl_props); if (IS_ERR(pcf_bl->bl)) @@ -147,18 +148,8 @@ static int pcf50633_bl_probe(struct platform_device *pdev) return 0; } -static int pcf50633_bl_remove(struct platform_device *pdev) -{ - struct pcf50633_bl *pcf_bl = platform_get_drvdata(pdev); - - backlight_device_unregister(pcf_bl->bl); - - return 0; -} - static struct platform_driver pcf50633_bl_driver = { .probe = pcf50633_bl_probe, - .remove = pcf50633_bl_remove, .driver = { .name = "pcf50633-backlight", }, diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c index 05683670670..d01884d4f1b 100644 --- a/drivers/video/backlight/platform_lcd.c +++ b/drivers/video/backlight/platform_lcd.c @@ -80,7 +80,7 @@ static int platform_lcd_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int err; - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); if (!pdata) { dev_err(dev, "no platform data supplied\n"); return -EINVAL; @@ -101,30 +101,17 @@ static int platform_lcd_probe(struct platform_device *pdev) plcd->us = dev; plcd->pdata = pdata; - plcd->lcd = lcd_device_register(dev_name(dev), dev, - plcd, &platform_lcd_ops); + plcd->lcd = devm_lcd_device_register(&pdev->dev, dev_name(dev), dev, + plcd, &platform_lcd_ops); if (IS_ERR(plcd->lcd)) { dev_err(dev, "cannot register lcd device\n"); - err = PTR_ERR(plcd->lcd); - goto err; + return PTR_ERR(plcd->lcd); } platform_set_drvdata(pdev, plcd); platform_lcd_set_power(plcd->lcd, FB_BLANK_NORMAL); return 0; - - err: - return err; -} - -static int platform_lcd_remove(struct platform_device *pdev) -{ - struct platform_lcd *plcd = platform_get_drvdata(pdev); - - lcd_device_unregister(plcd->lcd); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -168,7 +155,6 @@ static struct platform_driver platform_lcd_driver = { .of_match_table = of_match_ptr(platform_lcd_of_match), }, .probe = platform_lcd_probe, - .remove = platform_lcd_remove, }; module_platform_driver(platform_lcd_driver); diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 1fea627394d..36db5d98dd2 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -163,7 +163,7 @@ static int pwm_backlight_parse_dt(struct device *dev, static int pwm_backlight_probe(struct platform_device *pdev) { - struct platform_pwm_backlight_data *data = pdev->dev.platform_data; + struct platform_pwm_backlight_data *data = dev_get_platdata(&pdev->dev); struct platform_pwm_backlight_data defdata; struct backlight_properties props; struct backlight_device *bl; diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index b37bb1854bf..510a1bcf76f 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -735,13 +735,14 @@ static int s6e63m0_probe(struct spi_device *spi) lcd->spi = spi; lcd->dev = &spi->dev; - lcd->lcd_pd = spi->dev.platform_data; + lcd->lcd_pd = dev_get_platdata(&spi->dev); if (!lcd->lcd_pd) { dev_err(&spi->dev, "platform data is NULL.\n"); return -EINVAL; } - ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops); + ld = devm_lcd_device_register(&spi->dev, "s6e63m0", &spi->dev, lcd, + &s6e63m0_lcd_ops); if (IS_ERR(ld)) return PTR_ERR(ld); @@ -751,12 +752,11 @@ static int s6e63m0_probe(struct spi_device *spi) props.type = BACKLIGHT_RAW; props.max_brightness = MAX_BRIGHTNESS; - bd = backlight_device_register("s6e63m0bl-bl", &spi->dev, lcd, - &s6e63m0_backlight_ops, &props); - if (IS_ERR(bd)) { - ret = PTR_ERR(bd); - goto out_lcd_unregister; - } + bd = devm_backlight_device_register(&spi->dev, "s6e63m0bl-bl", + &spi->dev, lcd, &s6e63m0_backlight_ops, + &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); bd->props.brightness = MAX_BRIGHTNESS; lcd->bd = bd; @@ -798,10 +798,6 @@ static int s6e63m0_probe(struct spi_device *spi) dev_info(&spi->dev, "s6e63m0 panel driver has been probed.\n"); return 0; - -out_lcd_unregister: - lcd_device_unregister(ld); - return ret; } static int s6e63m0_remove(struct spi_device *spi) @@ -811,8 +807,6 @@ static int s6e63m0_remove(struct spi_device *spi) s6e63m0_power(lcd, FB_BLANK_POWERDOWN); device_remove_file(&spi->dev, &dev_attr_gamma_table); device_remove_file(&spi->dev, &dev_attr_gamma_mode); - backlight_device_unregister(lcd->bd); - lcd_device_unregister(lcd->ld); return 0; } diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index 18cdf466d50..908016fc582 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -338,7 +338,7 @@ static int tdo24m_probe(struct spi_device *spi) enum tdo24m_model model; int err; - pdata = spi->dev.platform_data; + pdata = dev_get_platdata(&spi->dev); if (pdata) model = pdata->model; else @@ -385,21 +385,17 @@ static int tdo24m_probe(struct spi_device *spi) return -EINVAL; } - lcd->lcd_dev = lcd_device_register("tdo24m", &spi->dev, - lcd, &tdo24m_ops); + lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "tdo24m", &spi->dev, + lcd, &tdo24m_ops); if (IS_ERR(lcd->lcd_dev)) return PTR_ERR(lcd->lcd_dev); spi_set_drvdata(spi, lcd); err = tdo24m_power(lcd, FB_BLANK_UNBLANK); if (err) - goto out_unregister; + return err; return 0; - -out_unregister: - lcd_device_unregister(lcd->lcd_dev); - return err; } static int tdo24m_remove(struct spi_device *spi) @@ -407,8 +403,6 @@ static int tdo24m_remove(struct spi_device *spi) struct tdo24m *lcd = spi_get_drvdata(spi); tdo24m_power(lcd, FB_BLANK_POWERDOWN); - lcd_device_unregister(lcd->lcd_dev); - return 0; } diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 9df66ac68b3..b8db9338cac 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -38,7 +38,7 @@ struct tosa_bl_data { static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness) { - struct spi_device *spi = data->i2c->dev.platform_data; + struct spi_device *spi = dev_get_platdata(&data->i2c->dev); i2c_smbus_write_byte_data(data->i2c, DAC_CH1, data->comadj); diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c index 05782312aeb..cbba37e6836 100644 --- a/drivers/video/backlight/tps65217_bl.c +++ b/drivers/video/backlight/tps65217_bl.c @@ -287,12 +287,11 @@ static int tps65217_bl_probe(struct platform_device *pdev) if (IS_ERR(pdata)) return PTR_ERR(pdata); } else { - if (!pdev->dev.platform_data) { + pdata = dev_get_platdata(&pdev->dev); + if (!pdata) { dev_err(&pdev->dev, "no platform data provided\n"); return -EINVAL; } - - pdata = pdev->dev.platform_data; } tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl), @@ -314,7 +313,7 @@ static int tps65217_bl_probe(struct platform_device *pdev) bl_props.type = BACKLIGHT_RAW; bl_props.max_brightness = 100; - tps65217_bl->bl = backlight_device_register(pdev->name, + tps65217_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name, tps65217_bl->dev, tps65217_bl, &tps65217_bl_ops, &bl_props); if (IS_ERR(tps65217_bl->bl)) { @@ -330,18 +329,8 @@ static int tps65217_bl_probe(struct platform_device *pdev) return 0; } -static int tps65217_bl_remove(struct platform_device *pdev) -{ - struct tps65217_bl *tps65217_bl = platform_get_drvdata(pdev); - - backlight_device_unregister(tps65217_bl->bl); - - return 0; -} - static struct platform_driver tps65217_bl_driver = { .probe = tps65217_bl_probe, - .remove = tps65217_bl_remove, .driver = { .owner = THIS_MODULE, .name = "tps65217-bl", diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c index 9e5517a3a52..8b9455e9306 100644 --- a/drivers/video/backlight/wm831x_bl.c +++ b/drivers/video/backlight/wm831x_bl.c @@ -123,7 +123,7 @@ static const struct backlight_ops wm831x_backlight_ops = { static int wm831x_backlight_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *wm831x_pdata; + struct wm831x_pdata *wm831x_pdata = dev_get_platdata(pdev->dev.parent); struct wm831x_backlight_pdata *pdata; struct wm831x_backlight_data *data; struct backlight_device *bl; @@ -131,12 +131,10 @@ static int wm831x_backlight_probe(struct platform_device *pdev) int ret, i, max_isel, isink_reg, dcdc_cfg; /* We need platform data */ - if (pdev->dev.parent->platform_data) { - wm831x_pdata = pdev->dev.parent->platform_data; + if (wm831x_pdata) pdata = wm831x_pdata->backlight; - } else { + else pdata = NULL; - } if (!pdata) { dev_err(&pdev->dev, "No platform data supplied\n"); @@ -197,8 +195,8 @@ static int wm831x_backlight_probe(struct platform_device *pdev) memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; props.max_brightness = max_isel; - bl = backlight_device_register("wm831x", &pdev->dev, data, - &wm831x_backlight_ops, &props); + bl = devm_backlight_device_register(&pdev->dev, "wm831x", &pdev->dev, + data, &wm831x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); return PTR_ERR(bl); @@ -216,21 +214,12 @@ static int wm831x_backlight_probe(struct platform_device *pdev) return 0; } -static int wm831x_backlight_remove(struct platform_device *pdev) -{ - struct backlight_device *bl = platform_get_drvdata(pdev); - - backlight_device_unregister(bl); - return 0; -} - static struct platform_driver wm831x_backlight_driver = { .driver = { .name = "wm831x-backlight", .owner = THIS_MODULE, }, .probe = wm831x_backlight_probe, - .remove = wm831x_backlight_remove, }; module_platform_driver(wm831x_backlight_driver); diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index 35687fd5645..4ad24f2c647 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -3,7 +3,7 @@ * core code for console driver using HP's STI firmware * * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * Copyright (C) 2001-2003 Helge Deller <deller@gmx.de> + * Copyright (C) 2001-2013 Helge Deller <deller@gmx.de> * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de> * * TODO: @@ -30,7 +30,7 @@ #include "../sticore.h" -#define STI_DRIVERVERSION "Version 0.9a" +#define STI_DRIVERVERSION "Version 0.9b" static struct sti_struct *default_sti __read_mostly; @@ -73,28 +73,34 @@ static const struct sti_init_flags default_init_flags = { static int sti_init_graph(struct sti_struct *sti) { - struct sti_init_inptr_ext inptr_ext = { 0, }; - struct sti_init_inptr inptr = { - .text_planes = 3, /* # of text planes (max 3 for STI) */ - .ext_ptr = STI_PTR(&inptr_ext) - }; - struct sti_init_outptr outptr = { 0, }; + struct sti_init_inptr *inptr = &sti->sti_data->init_inptr; + struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext; + struct sti_init_outptr *outptr = &sti->sti_data->init_outptr; unsigned long flags; - int ret; + int ret, err; spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->init_graph, &default_init_flags, &inptr, - &outptr, sti->glob_cfg); + memset(inptr, 0, sizeof(*inptr)); + inptr->text_planes = 3; /* # of text planes (max 3 for STI) */ + memset(inptr_ext, 0, sizeof(*inptr_ext)); + inptr->ext_ptr = STI_PTR(inptr_ext); + outptr->errno = 0; + + ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr, + outptr, sti->glob_cfg); + + if (ret >= 0) + sti->text_planes = outptr->text_planes; + err = outptr->errno; spin_unlock_irqrestore(&sti->lock, flags); if (ret < 0) { - printk(KERN_ERR "STI init_graph failed (ret %d, errno %d)\n",ret,outptr.errno); + pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err); return -1; } - sti->text_planes = outptr.text_planes; return 0; } @@ -104,16 +110,18 @@ static const struct sti_conf_flags default_conf_flags = { static void sti_inq_conf(struct sti_struct *sti) { - struct sti_conf_inptr inptr = { 0, }; + struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr; + struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr; unsigned long flags; s32 ret; - sti->outptr.ext_ptr = STI_PTR(&sti->outptr_ext); + outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext); do { spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->inq_conf, &default_conf_flags, - &inptr, &sti->outptr, sti->glob_cfg); + memset(inptr, 0, sizeof(*inptr)); + ret = sti_call(sti, sti->inq_conf, &default_conf_flags, + inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } @@ -126,7 +134,8 @@ static const struct sti_font_flags default_font_flags = { void sti_putc(struct sti_struct *sti, int c, int y, int x) { - struct sti_font_inptr inptr = { + struct sti_font_inptr *inptr = &sti->sti_data->font_inptr; + struct sti_font_inptr inptr_default = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), @@ -134,14 +143,15 @@ sti_putc(struct sti_struct *sti, int c, int y, int x) .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; - struct sti_font_outptr outptr = { 0, }; + struct sti_font_outptr *outptr = &sti->sti_data->font_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->font_unpmv, &default_font_flags, - &inptr, &outptr, sti->glob_cfg); + *inptr = inptr_default; + ret = sti_call(sti, sti->font_unpmv, &default_font_flags, + inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } @@ -156,7 +166,8 @@ void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { - struct sti_blkmv_inptr inptr = { + struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; + struct sti_blkmv_inptr inptr_default = { .fg_color = color, .bg_color = color, .src_x = src_x, @@ -166,14 +177,15 @@ sti_set(struct sti_struct *sti, int src_y, int src_x, .width = width, .height = height, }; - struct sti_blkmv_outptr outptr = { 0, }; + struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->block_move, &clear_blkmv_flags, - &inptr, &outptr, sti->glob_cfg); + *inptr = inptr_default; + ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, + inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } @@ -182,7 +194,8 @@ void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { - struct sti_blkmv_inptr inptr = { + struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; + struct sti_blkmv_inptr inptr_default = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, @@ -192,14 +205,15 @@ sti_clear(struct sti_struct *sti, int src_y, int src_x, .width = width * sti->font_width, .height = height* sti->font_height, }; - struct sti_blkmv_outptr outptr = { 0, }; + struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->block_move, &clear_blkmv_flags, - &inptr, &outptr, sti->glob_cfg); + *inptr = inptr_default; + ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, + inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } @@ -212,7 +226,8 @@ void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { - struct sti_blkmv_inptr inptr = { + struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; + struct sti_blkmv_inptr inptr_default = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, @@ -220,14 +235,15 @@ sti_bmove(struct sti_struct *sti, int src_y, int src_x, .width = width * sti->font_width, .height = height* sti->font_height, }; - struct sti_blkmv_outptr outptr = { 0, }; + struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); - ret = STI_CALL(sti->block_move, &default_blkmv_flags, - &inptr, &outptr, sti->glob_cfg); + *inptr = inptr_default; + ret = sti_call(sti, sti->block_move, &default_blkmv_flags, + inptr, outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } @@ -284,7 +300,7 @@ __setup("sti=", sti_setup); -static char *font_name[MAX_STI_ROMS] = { "VGA8x16", }; +static char *font_name[MAX_STI_ROMS]; static int font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; @@ -389,10 +405,10 @@ static void sti_dump_outptr(struct sti_struct *sti) "%d used bits\n" "%d planes\n" "attributes %08x\n", - sti->outptr.bits_per_pixel, - sti->outptr.bits_used, - sti->outptr.planes, - sti->outptr.attributes)); + sti->sti_data->inq_outptr.bits_per_pixel, + sti->sti_data->inq_outptr.bits_used, + sti->sti_data->inq_outptr.planes, + sti->sti_data->inq_outptr.attributes)); } static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, @@ -402,24 +418,21 @@ static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, struct sti_glob_cfg_ext *glob_cfg_ext; void *save_addr; void *sti_mem_addr; - const int save_addr_size = 1024; /* XXX */ - int i; + int i, size; - if (!sti->sti_mem_request) + if (sti->sti_mem_request < 256) sti->sti_mem_request = 256; /* STI default */ - glob_cfg = kzalloc(sizeof(*sti->glob_cfg), GFP_KERNEL); - glob_cfg_ext = kzalloc(sizeof(*glob_cfg_ext), GFP_KERNEL); - save_addr = kzalloc(save_addr_size, GFP_KERNEL); - sti_mem_addr = kzalloc(sti->sti_mem_request, GFP_KERNEL); + size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256; - if (!(glob_cfg && glob_cfg_ext && save_addr && sti_mem_addr)) { - kfree(glob_cfg); - kfree(glob_cfg_ext); - kfree(save_addr); - kfree(sti_mem_addr); + sti->sti_data = kzalloc(size, STI_LOWMEM); + if (!sti->sti_data) return -ENOMEM; - } + + glob_cfg = &sti->sti_data->glob_cfg; + glob_cfg_ext = &sti->sti_data->glob_cfg_ext; + save_addr = &sti->sti_data->save_addr; + sti_mem_addr = &sti->sti_data->sti_mem_addr; glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); glob_cfg->save_addr = STI_PTR(save_addr); @@ -475,32 +488,31 @@ static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, return 0; } -#ifdef CONFIG_FB +#ifdef CONFIG_FONTS static struct sti_cooked_font * sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) { - const struct font_desc *fbfont; + const struct font_desc *fbfont = NULL; unsigned int size, bpc; void *dest; struct sti_rom_font *nf; struct sti_cooked_font *cooked_font; - if (!fbfont_name || !strlen(fbfont_name)) - return NULL; - fbfont = find_font(fbfont_name); + if (fbfont_name && strlen(fbfont_name)) + fbfont = find_font(fbfont_name); if (!fbfont) fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); if (!fbfont) return NULL; - DPRINTK((KERN_DEBUG "selected %dx%d fb-font %s\n", - fbfont->width, fbfont->height, fbfont->name)); + pr_info("STI selected %dx%d framebuffer font %s for sticon\n", + fbfont->width, fbfont->height, fbfont->name); bpc = ((fbfont->width+7)/8) * fbfont->height; size = bpc * 256; size += sizeof(struct sti_rom_font); - nf = kzalloc(size, GFP_KERNEL); + nf = kzalloc(size, STI_LOWMEM); if (!nf) return NULL; @@ -637,7 +649,7 @@ static void *sti_bmode_font_raw(struct sti_cooked_font *f) unsigned char *n, *p, *q; int size = f->raw->bytes_per_char*256+sizeof(struct sti_rom_font); - n = kzalloc (4*size, GFP_KERNEL); + n = kzalloc(4*size, STI_LOWMEM); if (!n) return NULL; p = n + 3; @@ -673,7 +685,7 @@ static struct sti_rom *sti_get_bmode_rom (unsigned long address) sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); size = (size+3) / 4; - raw = kmalloc(size, GFP_KERNEL); + raw = kmalloc(size, STI_LOWMEM); if (raw) { sti_bmode_rom_copy(address, size, raw); memmove (&raw->res004, &raw->type[0], 0x3c); @@ -707,7 +719,7 @@ static struct sti_rom *sti_get_wmode_rom(unsigned long address) /* read the ROM size directly from the struct in ROM */ size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); - raw = kmalloc(size, GFP_KERNEL); + raw = kmalloc(size, STI_LOWMEM); if (raw) sti_rom_copy(address, size, raw); @@ -743,6 +755,10 @@ static int sti_read_rom(int wordmode, struct sti_struct *sti, address = (unsigned long) STI_PTR(raw); + pr_info("STI ROM supports 32 %sbit firmware functions.\n", + raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64 + ? "and 64 " : ""); + sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); sti->block_move = address + (raw->block_move & 0x03ffffff); sti->init_graph = address + (raw->init_graph & 0x03ffffff); @@ -901,7 +917,8 @@ test_rom: sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); sti_dump_outptr(sti); - printk(KERN_INFO " graphics card name: %s\n", sti->outptr.dev_name ); + pr_info(" graphics card name: %s\n", + sti->sti_data->inq_outptr.dev_name); sti_roms[num_sti_roms] = sti; num_sti_roms++; @@ -1073,6 +1090,29 @@ struct sti_struct * sti_get_rom(unsigned int index) } EXPORT_SYMBOL(sti_get_rom); + +int sti_call(const struct sti_struct *sti, unsigned long func, + const void *flags, void *inptr, void *outptr, + struct sti_glob_cfg *glob_cfg) +{ + unsigned long _flags = STI_PTR(flags); + unsigned long _inptr = STI_PTR(inptr); + unsigned long _outptr = STI_PTR(outptr); + unsigned long _glob_cfg = STI_PTR(glob_cfg); + int ret; + +#ifdef CONFIG_64BIT + /* Check for overflow when using 32bit STI on 64bit kernel. */ + if (WARN_ONCE(_flags>>32 || _inptr>>32 || _outptr>>32 || _glob_cfg>>32, + "Out of 32bit-range pointers!")) + return -1; +#endif + + ret = pdc_sti_call(func, _flags, _inptr, _outptr, _glob_cfg); + + return ret; +} + MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index c824b4223b8..b0a950f3697 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -1641,67 +1641,6 @@ static void cyberpro_common_resume(struct cfb_info *cfb) cyber2000fb_set_par(&cfb->fb); } -#ifdef CONFIG_ARCH_SHARK - -#include <mach/framebuffer.h> - -static int cyberpro_vl_probe(void) -{ - struct cfb_info *cfb; - int err = -ENOMEM; - - if (!request_mem_region(FB_START, FB_SIZE, "CyberPro2010")) - return err; - - cfb = cyberpro_alloc_fb_info(ID_CYBERPRO_2010, "CyberPro2010"); - if (!cfb) - goto failed_release; - - cfb->irq = -1; - cfb->region = ioremap(FB_START, FB_SIZE); - if (!cfb->region) - goto failed_ioremap; - - cfb->regs = cfb->region + MMIO_OFFSET; - cfb->fb.device = NULL; - cfb->fb.fix.mmio_start = FB_START + MMIO_OFFSET; - cfb->fb.fix.smem_start = FB_START; - - /* - * Bring up the hardware. This is expected to enable access - * to the linear memory region, and allow access to the memory - * mapped registers. Also, mem_ctl1 and mem_ctl2 must be - * initialised. - */ - cyber2000fb_writeb(0x18, 0x46e8, cfb); - cyber2000fb_writeb(0x01, 0x102, cfb); - cyber2000fb_writeb(0x08, 0x46e8, cfb); - cyber2000fb_writeb(EXT_BIU_MISC, 0x3ce, cfb); - cyber2000fb_writeb(EXT_BIU_MISC_LIN_ENABLE, 0x3cf, cfb); - - cfb->mclk_mult = 0xdb; - cfb->mclk_div = 0x54; - - err = cyberpro_common_probe(cfb); - if (err) - goto failed; - - if (int_cfb_info == NULL) - int_cfb_info = cfb; - - return 0; - -failed: - iounmap(cfb->region); -failed_ioremap: - cyberpro_free_fb_info(cfb); -failed_release: - release_mem_region(FB_START, FB_SIZE); - - return err; -} -#endif /* CONFIG_ARCH_SHARK */ - /* * PCI specific support. */ @@ -1943,28 +1882,19 @@ static int __init cyber2000fb_init(void) cyber2000fb_setup(option); #endif -#ifdef CONFIG_ARCH_SHARK - err = cyberpro_vl_probe(); - if (!err) - ret = 0; -#endif -#ifdef CONFIG_PCI err = pci_register_driver(&cyberpro_driver); if (!err) ret = 0; -#endif return ret ? err : 0; } module_init(cyber2000fb_init); -#ifndef CONFIG_ARCH_SHARK static void __exit cyberpro_exit(void) { pci_unregister_driver(&cyberpro_driver); } module_exit(cyberpro_exit); -#endif MODULE_AUTHOR("Russell King"); MODULE_DESCRIPTION("CyberPro 2000, 2010 and 5000 framebuffer driver"); diff --git a/drivers/video/exynos/Kconfig b/drivers/video/exynos/Kconfig index 1b035b2eb6b..1129d0e9e64 100644 --- a/drivers/video/exynos/Kconfig +++ b/drivers/video/exynos/Kconfig @@ -16,6 +16,7 @@ if EXYNOS_VIDEO config EXYNOS_MIPI_DSI bool "EXYNOS MIPI DSI driver support." depends on ARCH_S5PV210 || ARCH_EXYNOS + select GENERIC_PHY help This enables support for MIPI-DSI device. @@ -29,7 +30,7 @@ config EXYNOS_LCD_S6E8AX0 config EXYNOS_DP bool "EXYNOS DP driver support" - depends on ARCH_EXYNOS + depends on OF && ARCH_EXYNOS default n help This enables support for DP device. diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 12bbede3b09..5e1a7158005 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -19,8 +19,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/of.h> - -#include <video/exynos_dp.h> +#include <linux/phy/phy.h> #include "exynos_dp_core.h" @@ -894,26 +893,17 @@ static void exynos_dp_hotplug(struct work_struct *work) dev_err(dp->dev, "unable to config video\n"); } -#ifdef CONFIG_OF -static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev) +static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev) { struct device_node *dp_node = dev->of_node; - struct exynos_dp_platdata *pd; struct video_info *dp_video_config; - pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); - if (!pd) { - dev_err(dev, "memory allocation for pdata failed\n"); - return ERR_PTR(-ENOMEM); - } dp_video_config = devm_kzalloc(dev, sizeof(*dp_video_config), GFP_KERNEL); - if (!dp_video_config) { dev_err(dev, "memory allocation for video config failed\n"); return ERR_PTR(-ENOMEM); } - pd->video_info = dp_video_config; dp_video_config->h_sync_polarity = of_property_read_bool(dp_node, "hsync-active-high"); @@ -960,7 +950,7 @@ static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev) return ERR_PTR(-EINVAL); } - return pd; + return dp_video_config; } static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp) @@ -971,8 +961,11 @@ static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp) dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy"); if (!dp_phy_node) { - dev_err(dp->dev, "could not find dptx-phy node\n"); - return -ENODEV; + dp->phy = devm_phy_get(dp->dev, "dp"); + if (IS_ERR(dp->phy)) + return PTR_ERR(dp->phy); + else + return 0; } if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) { @@ -1003,48 +996,34 @@ err: static void exynos_dp_phy_init(struct exynos_dp_device *dp) { - u32 reg; - - reg = __raw_readl(dp->phy_addr); - reg |= dp->enable_mask; - __raw_writel(reg, dp->phy_addr); -} - -static void exynos_dp_phy_exit(struct exynos_dp_device *dp) -{ - u32 reg; - - reg = __raw_readl(dp->phy_addr); - reg &= ~(dp->enable_mask); - __raw_writel(reg, dp->phy_addr); -} -#else -static struct exynos_dp_platdata *exynos_dp_dt_parse_pdata(struct device *dev) -{ - return NULL; -} - -static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp) -{ - return -EINVAL; -} - -static void exynos_dp_phy_init(struct exynos_dp_device *dp) -{ - return; + if (dp->phy) { + phy_power_on(dp->phy); + } else if (dp->phy_addr) { + u32 reg; + + reg = __raw_readl(dp->phy_addr); + reg |= dp->enable_mask; + __raw_writel(reg, dp->phy_addr); + } } static void exynos_dp_phy_exit(struct exynos_dp_device *dp) { - return; + if (dp->phy) { + phy_power_off(dp->phy); + } else if (dp->phy_addr) { + u32 reg; + + reg = __raw_readl(dp->phy_addr); + reg &= ~(dp->enable_mask); + __raw_writel(reg, dp->phy_addr); + } } -#endif /* CONFIG_OF */ static int exynos_dp_probe(struct platform_device *pdev) { struct resource *res; struct exynos_dp_device *dp; - struct exynos_dp_platdata *pdata; int ret = 0; @@ -1057,21 +1036,13 @@ static int exynos_dp_probe(struct platform_device *pdev) dp->dev = &pdev->dev; - if (pdev->dev.of_node) { - pdata = exynos_dp_dt_parse_pdata(&pdev->dev); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev); + if (IS_ERR(dp->video_info)) + return PTR_ERR(dp->video_info); - ret = exynos_dp_dt_parse_phydata(dp); - if (ret) - return ret; - } else { - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(&pdev->dev, "no platform data\n"); - return -EINVAL; - } - } + ret = exynos_dp_dt_parse_phydata(dp); + if (ret) + return ret; dp->clock = devm_clk_get(&pdev->dev, "dp"); if (IS_ERR(dp->clock)) { @@ -1095,15 +1066,7 @@ static int exynos_dp_probe(struct platform_device *pdev) INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug); - dp->video_info = pdata->video_info; - - if (pdev->dev.of_node) { - if (dp->phy_addr) - exynos_dp_phy_init(dp); - } else { - if (pdata->phy_init) - pdata->phy_init(); - } + exynos_dp_phy_init(dp); exynos_dp_init_dp(dp); @@ -1121,18 +1084,11 @@ static int exynos_dp_probe(struct platform_device *pdev) static int exynos_dp_remove(struct platform_device *pdev) { - struct exynos_dp_platdata *pdata = pdev->dev.platform_data; struct exynos_dp_device *dp = platform_get_drvdata(pdev); flush_work(&dp->hotplug_work); - if (pdev->dev.of_node) { - if (dp->phy_addr) - exynos_dp_phy_exit(dp); - } else { - if (pdata->phy_exit) - pdata->phy_exit(); - } + exynos_dp_phy_exit(dp); clk_disable_unprepare(dp->clock); @@ -1143,20 +1099,13 @@ static int exynos_dp_remove(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP static int exynos_dp_suspend(struct device *dev) { - struct exynos_dp_platdata *pdata = dev->platform_data; struct exynos_dp_device *dp = dev_get_drvdata(dev); disable_irq(dp->irq); flush_work(&dp->hotplug_work); - if (dev->of_node) { - if (dp->phy_addr) - exynos_dp_phy_exit(dp); - } else { - if (pdata->phy_exit) - pdata->phy_exit(); - } + exynos_dp_phy_exit(dp); clk_disable_unprepare(dp->clock); @@ -1165,16 +1114,9 @@ static int exynos_dp_suspend(struct device *dev) static int exynos_dp_resume(struct device *dev) { - struct exynos_dp_platdata *pdata = dev->platform_data; struct exynos_dp_device *dp = dev_get_drvdata(dev); - if (dev->of_node) { - if (dp->phy_addr) - exynos_dp_phy_init(dp); - } else { - if (pdata->phy_init) - pdata->phy_init(); - } + exynos_dp_phy_init(dp); clk_prepare_enable(dp->clock); @@ -1203,7 +1145,7 @@ static struct platform_driver exynos_dp_driver = { .name = "exynos-dp", .owner = THIS_MODULE, .pm = &exynos_dp_pm_ops, - .of_match_table = of_match_ptr(exynos_dp_match), + .of_match_table = exynos_dp_match, }, }; diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h index 6c567bbf2fb..607e36d0c14 100644 --- a/drivers/video/exynos/exynos_dp_core.h +++ b/drivers/video/exynos/exynos_dp_core.h @@ -13,6 +13,99 @@ #ifndef _EXYNOS_DP_CORE_H #define _EXYNOS_DP_CORE_H +#define DP_TIMEOUT_LOOP_COUNT 100 +#define MAX_CR_LOOP 5 +#define MAX_EQ_LOOP 5 + +enum link_rate_type { + LINK_RATE_1_62GBPS = 0x06, + LINK_RATE_2_70GBPS = 0x0a +}; + +enum link_lane_count_type { + LANE_COUNT1 = 1, + LANE_COUNT2 = 2, + LANE_COUNT4 = 4 +}; + +enum link_training_state { + START, + CLOCK_RECOVERY, + EQUALIZER_TRAINING, + FINISHED, + FAILED +}; + +enum voltage_swing_level { + VOLTAGE_LEVEL_0, + VOLTAGE_LEVEL_1, + VOLTAGE_LEVEL_2, + VOLTAGE_LEVEL_3, +}; + +enum pre_emphasis_level { + PRE_EMPHASIS_LEVEL_0, + PRE_EMPHASIS_LEVEL_1, + PRE_EMPHASIS_LEVEL_2, + PRE_EMPHASIS_LEVEL_3, +}; + +enum pattern_set { + PRBS7, + D10_2, + TRAINING_PTN1, + TRAINING_PTN2, + DP_NONE +}; + +enum color_space { + COLOR_RGB, + COLOR_YCBCR422, + COLOR_YCBCR444 +}; + +enum color_depth { + COLOR_6, + COLOR_8, + COLOR_10, + COLOR_12 +}; + +enum color_coefficient { + COLOR_YCBCR601, + COLOR_YCBCR709 +}; + +enum dynamic_range { + VESA, + CEA +}; + +enum pll_status { + PLL_UNLOCKED, + PLL_LOCKED +}; + +enum clock_recovery_m_value_type { + CALCULATED_M, + REGISTER_M +}; + +enum video_timing_recognition_type { + VIDEO_TIMING_FROM_CAPTURE, + VIDEO_TIMING_FROM_REGISTER +}; + +enum analog_power_block { + AUX_BLOCK, + CH0_BLOCK, + CH1_BLOCK, + CH2_BLOCK, + CH3_BLOCK, + ANALOG_TOTAL, + POWER_ALL +}; + enum dp_irq_type { DP_IRQ_TYPE_HP_CABLE_IN, DP_IRQ_TYPE_HP_CABLE_OUT, @@ -20,6 +113,22 @@ enum dp_irq_type { DP_IRQ_TYPE_UNKNOWN, }; +struct video_info { + char *name; + + bool h_sync_polarity; + bool v_sync_polarity; + bool interlaced; + + enum color_space color_space; + enum dynamic_range dynamic_range; + enum color_coefficient ycbcr_coeff; + enum color_depth color_depth; + + enum link_rate_type link_rate; + enum link_lane_count_type lane_count; +}; + struct link_train { int eq_loop; int cr_loop[4]; @@ -42,6 +151,7 @@ struct exynos_dp_device { struct video_info *video_info; struct link_train link_train; struct work_struct hotplug_work; + struct phy *phy; }; /* exynos_dp_reg.c */ diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c index 29d9d035c73..b70da5052ff 100644 --- a/drivers/video/exynos/exynos_dp_reg.c +++ b/drivers/video/exynos/exynos_dp_reg.c @@ -14,8 +14,6 @@ #include <linux/io.h> #include <linux/delay.h> -#include <video/exynos_dp.h> - #include "exynos_dp_core.h" #include "exynos_dp_reg.h" diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c index 32e540600f9..00b3a52c1d6 100644 --- a/drivers/video/exynos/exynos_mipi_dsi.c +++ b/drivers/video/exynos/exynos_mipi_dsi.c @@ -30,6 +30,7 @@ #include <linux/interrupt.h> #include <linux/kthread.h> #include <linux/notifier.h> +#include <linux/phy/phy.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> #include <linux/err.h> @@ -156,8 +157,7 @@ static int exynos_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); clk_enable(dsim->clock); @@ -373,6 +373,10 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) return ret; } + dsim->phy = devm_phy_get(&pdev->dev, "dsim"); + if (IS_ERR(dsim->phy)) + return PTR_ERR(dsim->phy); + dsim->clock = devm_clk_get(&pdev->dev, "dsim0"); if (IS_ERR(dsim->clock)) { dev_err(&pdev->dev, "failed to get dsim clock source\n"); @@ -439,8 +443,7 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); exynos_mipi_update_cfg(dsim); @@ -504,9 +507,8 @@ static int exynos_mipi_dsi_suspend(struct device *dev) if (client_drv && client_drv->suspend) client_drv->suspend(client_dev); - /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, false); + /* disable MIPI-DSI PHY. */ + phy_power_off(dsim->phy); clk_disable(dsim->clock); @@ -536,8 +538,7 @@ static int exynos_mipi_dsi_resume(struct device *dev) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); clk_enable(dsim->clock); diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index 6c71bb6b9a6..e8758b9c3bc 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -31,6 +31,8 @@ #include <linux/uaccess.h> #include <linux/vmalloc.h> #include <linux/spinlock.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <sysdev/fsl_soc.h> #include <linux/fsl-diu-fb.h> diff --git a/drivers/video/mmp/hw/mmp_ctrl.c b/drivers/video/mmp/hw/mmp_ctrl.c index ae724aaaad4..8621a9f2bdc 100644 --- a/drivers/video/mmp/hw/mmp_ctrl.c +++ b/drivers/video/mmp/hw/mmp_ctrl.c @@ -525,7 +525,7 @@ static int mmphw_probe(struct platform_device *pdev) if (IS_ERR(ctrl->clk)) { dev_err(ctrl->dev, "unable to get clk %s\n", mi->clk_name); ret = -ENOENT; - goto failed_get_clk; + goto failed; } clk_prepare_enable(ctrl->clk); @@ -562,21 +562,8 @@ failed_path_init: path_deinit(path_plat); } - if (ctrl->clk) { - devm_clk_put(ctrl->dev, ctrl->clk); - clk_disable_unprepare(ctrl->clk); - } -failed_get_clk: - devm_free_irq(ctrl->dev, ctrl->irq, ctrl); + clk_disable_unprepare(ctrl->clk); failed: - if (ctrl) { - if (ctrl->reg_base) - devm_iounmap(ctrl->dev, ctrl->reg_base); - devm_release_mem_region(ctrl->dev, res->start, - resource_size(res)); - devm_kfree(ctrl->dev, ctrl); - } - dev_err(&pdev->dev, "device init failed\n"); return ret; diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index d250ed0f806..27197a8048c 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -620,6 +620,7 @@ static int mxsfb_restore_mode(struct mxsfb_info *host) break; case 3: bits_per_pixel = 32; + break; case 1: default: return -EINVAL; diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 5d815f31645..44f99a60bb9 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -2075,6 +2075,7 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) if (!fb_find_mode(&info->var, info, mode_option, NULL, 0, info->monspecs.modedb, 16)) { printk(KERN_ERR "neofb: Unable to find usable video mode.\n"); + err = -EINVAL; goto err_map_video; } @@ -2097,7 +2098,8 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) info->fix.smem_len >> 10, info->var.xres, info->var.yres, h_sync / 1000, h_sync % 1000, v_sync); - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) + err = fb_alloc_cmap(&info->cmap, 256, 0); + if (err < 0) goto err_map_video; err = register_framebuffer(info); diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 171821ddd78..ba5b40f581f 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -120,7 +120,7 @@ int of_get_display_timing(struct device_node *np, const char *name, return -EINVAL; } - timing_np = of_find_node_by_name(np, name); + timing_np = of_get_child_by_name(np, name); if (!timing_np) { pr_err("%s: could not find node '%s'\n", of_node_full_name(np), name); @@ -143,11 +143,11 @@ struct display_timings *of_get_display_timings(struct device_node *np) struct display_timings *disp; if (!np) { - pr_err("%s: no devicenode given\n", of_node_full_name(np)); + pr_err("%s: no device node given\n", of_node_full_name(np)); return NULL; } - timings_np = of_find_node_by_name(np, "display-timings"); + timings_np = of_get_child_by_name(np, "display-timings"); if (!timings_np) { pr_err("%s: could not find display-timings node\n", of_node_full_name(np)); diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig index 1054249b16a..e6cfc38160d 100644 --- a/drivers/video/omap2/displays-new/Kconfig +++ b/drivers/video/omap2/displays-new/Kconfig @@ -35,6 +35,7 @@ config DISPLAY_PANEL_DPI config DISPLAY_PANEL_DSI_CM tristate "Generic DSI Command Mode Panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DSI command mode panels. diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 1b60698f141..ccd9073f706 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -191,7 +191,7 @@ static int tvc_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c index 5641a23b78d..b6c50904038 100644 --- a/drivers/video/omap2/displays-new/connector-dvi.c +++ b/drivers/video/omap2/displays-new/connector-dvi.c @@ -266,7 +266,7 @@ static int dvic_probe_pdata(struct platform_device *pdev) i2c_put_adapter(ddata->i2c_adapter); dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c index c5826716d6a..9abe2c039ae 100644 --- a/drivers/video/omap2/displays-new/connector-hdmi.c +++ b/drivers/video/omap2/displays-new/connector-hdmi.c @@ -290,7 +290,7 @@ static int hdmic_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 91c687fd002..4ec59ca72e5 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3691,6 +3691,7 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_irq_safe(&pdev->dev); r = dispc_runtime_get(); if (r) diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index d4436f587a9..968b2997175 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -1335,14 +1335,7 @@ static int s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) (info->var.bits_per_pixel * info->var.xres_virtual); if (info->var.yres_virtual < info->var.yres) { dev_err(info->device, "virtual vertical size smaller than real\n"); - goto err_find_mode; - } - - /* maximize virtual vertical size for fast scrolling */ - info->var.yres_virtual = info->fix.smem_len * 8 / - (info->var.bits_per_pixel * info->var.xres_virtual); - if (info->var.yres_virtual < info->var.yres) { - dev_err(info->device, "virtual vertical size smaller than real\n"); + rc = -EINVAL; goto err_find_mode; } diff --git a/drivers/video/sis/init.c b/drivers/video/sis/init.c index f082ae55c0c..4f26bc28e60 100644 --- a/drivers/video/sis/init.c +++ b/drivers/video/sis/init.c @@ -3320,9 +3320,8 @@ SiSSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo) } #ifndef GETBITSTR -#define BITMASK(h,l) (((unsigned)(1U << ((h)-(l)+1))-1)<<(l)) -#define GENMASK(mask) BITMASK(1?mask,0?mask) -#define GETBITS(var,mask) (((var) & GENMASK(mask)) >> (0?mask)) +#define GENBITSMASK(mask) GENMASK(1?mask,0?mask) +#define GETBITS(var,mask) (((var) & GENBITSMASK(mask)) >> (0?mask)) #define GETBITSTR(val,from,to) ((GETBITS(val,from)) << (0?to)) #endif diff --git a/drivers/video/sticore.h b/drivers/video/sticore.h index addf7b615ef..af1619536ac 100644 --- a/drivers/video/sticore.h +++ b/drivers/video/sticore.h @@ -18,6 +18,9 @@ #define STI_FONT_HPROMAN8 1 #define STI_FONT_KANA8 2 +#define ALT_CODE_TYPE_UNKNOWN 0x00 /* alt code type values */ +#define ALT_CODE_TYPE_PA_RISC_64 0x01 + /* The latency of the STI functions cannot really be reduced by setting * this to 0; STI doesn't seem to be designed to allow calling a different * function (or the same function with different arguments) after a @@ -40,14 +43,6 @@ #define STI_PTR(p) ( virt_to_phys(p) ) #define PTR_STI(p) ( phys_to_virt((unsigned long)p) ) -#define STI_CALL(func, flags, inptr, outptr, glob_cfg) \ - ({ \ - pdc_sti_call( func, STI_PTR(flags), \ - STI_PTR(inptr), \ - STI_PTR(outptr), \ - STI_PTR(glob_cfg)); \ - }) - #define sti_onscreen_x(sti) (sti->glob_cfg->onscreen_x) #define sti_onscreen_y(sti) (sti->glob_cfg->onscreen_y) @@ -56,6 +51,12 @@ #define sti_font_x(sti) (PTR_STI(sti->font)->width) #define sti_font_y(sti) (PTR_STI(sti->font)->height) +#ifdef CONFIG_64BIT +#define STI_LOWMEM (GFP_KERNEL | GFP_DMA) +#else +#define STI_LOWMEM (GFP_KERNEL) +#endif + /* STI function configuration structs */ @@ -306,6 +307,34 @@ struct sti_blkmv_outptr { }; +/* sti_all_data is an internal struct which needs to be allocated in + * low memory (< 4GB) if STI is used with 32bit STI on a 64bit kernel */ + +struct sti_all_data { + struct sti_glob_cfg glob_cfg; + struct sti_glob_cfg_ext glob_cfg_ext; + + struct sti_conf_inptr inq_inptr; + struct sti_conf_outptr inq_outptr; /* configuration */ + struct sti_conf_outptr_ext inq_outptr_ext; + + struct sti_init_inptr_ext init_inptr_ext; + struct sti_init_inptr init_inptr; + struct sti_init_outptr init_outptr; + + struct sti_blkmv_inptr blkmv_inptr; + struct sti_blkmv_outptr blkmv_outptr; + + struct sti_font_inptr font_inptr; + struct sti_font_outptr font_outptr; + + /* leave as last entries */ + unsigned long save_addr[1024 / sizeof(unsigned long)]; + /* min 256 bytes which is STI default, max sti->sti_mem_request */ + unsigned long sti_mem_addr[256 / sizeof(unsigned long)]; + /* do not add something below here ! */ +}; + /* internal generic STI struct */ struct sti_struct { @@ -330,11 +359,9 @@ struct sti_struct { region_t regions[STI_REGION_MAX]; unsigned long regions_phys[STI_REGION_MAX]; - struct sti_glob_cfg *glob_cfg; - struct sti_cooked_font *font; /* ptr to selected font (cooked) */ + struct sti_glob_cfg *glob_cfg; /* points into sti_all_data */ - struct sti_conf_outptr outptr; /* configuration */ - struct sti_conf_outptr_ext outptr_ext; + struct sti_cooked_font *font; /* ptr to selected font (cooked) */ struct pci_dev *pd; @@ -343,6 +370,9 @@ struct sti_struct { /* pointer to the fb_info where this STI device is used */ struct fb_info *info; + + /* pointer to all internal data */ + struct sti_all_data *sti_data; }; @@ -350,6 +380,14 @@ struct sti_struct { struct sti_struct *sti_get_rom(unsigned int index); /* 0: default sti */ + +/* sticore main function to call STI firmware */ + +int sti_call(const struct sti_struct *sti, unsigned long func, + const void *flags, void *inptr, void *outptr, + struct sti_glob_cfg *glob_cfg); + + /* functions to call the STI ROM directly */ void sti_putc(struct sti_struct *sti, int c, int y, int x); diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c index a943a7cbaf7..cfe8a2f905c 100644 --- a/drivers/video/stifb.c +++ b/drivers/video/stifb.c @@ -1101,6 +1101,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) var = &info->var; fb->sti = sti; + dev_name = sti->sti_data->inq_outptr.dev_name; /* store upper 32bits of the graphics id */ fb->id = fb->sti->graphics_id[0]; @@ -1114,11 +1115,11 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) Since this driver only supports standard mode, we check if the device name contains the string "DX" and tell the user how to reconfigure the card. */ - if (strstr(sti->outptr.dev_name, "DX")) { + if (strstr(dev_name, "DX")) { printk(KERN_WARNING "WARNING: stifb framebuffer driver does not support '%s' in double-buffer mode.\n" "WARNING: Please disable the double-buffer mode in IPL menu (the PARISC-BIOS).\n", - sti->outptr.dev_name); + dev_name); goto out_err0; } /* fall though */ @@ -1130,7 +1131,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) break; default: printk(KERN_WARNING "stifb: '%s' (id: 0x%08x) not supported.\n", - sti->outptr.dev_name, fb->id); + dev_name, fb->id); goto out_err0; } @@ -1154,7 +1155,6 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) fb->id = S9000_ID_A1659A; break; case S9000_ID_TIMBER: /* HP9000/710 Any (may be a grayscale device) */ - dev_name = fb->sti->outptr.dev_name; if (strstr(dev_name, "GRAYSCALE") || strstr(dev_name, "Grayscale") || strstr(dev_name, "grayscale")) @@ -1288,7 +1288,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) var->xres, var->yres, var->bits_per_pixel, - sti->outptr.dev_name, + dev_name, fb->id, fix->mmio_start); |