diff options
Diffstat (limited to 'drivers/video')
29 files changed, 294 insertions, 157 deletions
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c index c22e8d39a2cb..a1d58e9d3073 100644 --- a/drivers/video/arcfb.c +++ b/drivers/video/arcfb.c @@ -336,8 +336,8 @@ static void arcfb_lcd_update_horiz(struct arcfb_par *par, unsigned int left, } /* - * here we start the process of spliting out the fb update into - * individual blocks of pixels. we end up spliting into 64x64 blocks + * here we start the process of splitting out the fb update into + * individual blocks of pixels. we end up splitting into 64x64 blocks * and finally down to 64x8 pages. */ static void arcfb_lcd_update(struct arcfb_par *par, unsigned int dx, diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index d99505b16374..15055395cd95 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -939,7 +939,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) * up a splash image. */ } else { - /* alocate memory buffer */ + /* allocate memory buffer */ ret = atmel_lcdfb_alloc_video_memory(sinfo); if (ret < 0) { dev_err(dev, "cannot allocate framebuffer: %d\n", ret); diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 622f12b62a47..3f2e8c13f1ca 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -863,7 +863,7 @@ static int aty_var_to_crtc(const struct fb_info *info, if ((xres > 1600) || (yres > 1200)) { FAIL("MACH64 chips are designed for max 1600x1200\n" - "select anoter resolution."); + "select another resolution."); } h_sync_strt = h_disp + var->right_margin; h_sync_end = h_sync_strt + var->hsync_len; diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index ce1506b75adf..9e279ee38da8 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -2018,7 +2018,7 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo) if ((rinfo->family == CHIP_FAMILY_RS100) || (rinfo->family == CHIP_FAMILY_RS200)) { /* This is to workaround the asic bug for RMX, some versions - of BIOS dosen't have this register initialized correctly. + of BIOS doesn't have this register initialized correctly. */ OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN, ~CRTC_H_CUTOFF_ACTIVE_EN); diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c index 9261c918fde8..5c23eac0eb9a 100644 --- a/drivers/video/aty/radeon_monitor.c +++ b/drivers/video/aty/radeon_monitor.c @@ -730,6 +730,25 @@ static void radeon_videomode_to_var(struct fb_var_screeninfo *var, var->vmode = mode->vmode; } +#ifdef CONFIG_PPC_PSERIES +static int is_powerblade(const char *model) +{ + struct device_node *root; + const char* cp; + int len, l, rc = 0; + + root = of_find_node_by_path("/"); + if (root && model) { + l = strlen(model); + cp = of_get_property(root, "model", &len); + if (cp) + rc = memcmp(model, cp, min(len, l)) == 0; + of_node_put(root); + } + return rc; +} +#endif + /* * Build the modedb for head 1 (head 2 will come later), check panel infos * from either BIOS or EDID, and pick up the default mode @@ -865,6 +884,22 @@ void __devinit radeon_check_modes(struct radeonfb_info *rinfo, const char *mode_ has_default_mode = 1; } +#ifdef CONFIG_PPC_PSERIES + if (!has_default_mode && ( + is_powerblade("IBM,8842") || /* JS20 */ + is_powerblade("IBM,8844") || /* JS21 */ + is_powerblade("IBM,7998") || /* JS12/JS21/JS22 */ + is_powerblade("IBM,0792") || /* QS21 */ + is_powerblade("IBM,0793") /* QS22 */ + )) { + printk("Falling back to 800x600 on JSxx hardware\n"); + if (fb_find_mode(&info->var, info, "800x600@60", + info->monspecs.modedb, + info->monspecs.modedb_len, NULL, 8) != 0) + has_default_mode = 1; + } +#endif + /* * Still no mode, let's pick up a default from the db */ diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index f49181c73113..f75da8758adc 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -228,6 +228,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev) data->port = pdata->flags; if (data->port < 0) { dev_err(&pdev->dev, "wrong platform data is assigned"); + kfree(data); return -EINVAL; } diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 2979292650d6..cf282763a8dc 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -245,7 +245,7 @@ config BACKLIGHT_CARILLO_RANCH config BACKLIGHT_PWM tristate "Generic PWM based Backlight Driver" - depends on HAVE_PWM + depends on PWM help If you have a LCD backlight adjustable by PWM, say Y to enable this driver. diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 0443a4f71858..df1cbb7ef6ca 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -127,7 +127,8 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) struct atmel_pwm_bl *pwmbl; int retval; - pwmbl = kzalloc(sizeof(struct atmel_pwm_bl), GFP_KERNEL); + pwmbl = devm_kzalloc(&pdev->dev, sizeof(struct atmel_pwm_bl), + GFP_KERNEL); if (!pwmbl) return -ENOMEM; @@ -154,7 +155,8 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) goto err_free_mem; if (pwmbl->gpio_on != -1) { - retval = gpio_request(pwmbl->gpio_on, "gpio_atmel_pwm_bl"); + retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on, + "gpio_atmel_pwm_bl"); if (retval) { pwmbl->gpio_on = -1; goto err_free_pwm; @@ -164,7 +166,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) retval = gpio_direction_output(pwmbl->gpio_on, 0 ^ pdata->on_active_low); if (retval) - goto err_free_gpio; + goto err_free_pwm; } memset(&props, 0, sizeof(struct backlight_properties)); @@ -174,7 +176,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) &atmel_pwm_bl_ops, &props); if (IS_ERR(bldev)) { retval = PTR_ERR(bldev); - goto err_free_gpio; + goto err_free_pwm; } pwmbl->bldev = bldev; @@ -196,13 +198,9 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) err_free_bl_dev: platform_set_drvdata(pdev, NULL); backlight_device_unregister(bldev); -err_free_gpio: - if (pwmbl->gpio_on != -1) - gpio_free(pwmbl->gpio_on); err_free_pwm: pwm_channel_free(&pwmbl->pwmc); err_free_mem: - kfree(pwmbl); return retval; } @@ -210,15 +208,12 @@ static int __exit atmel_pwm_bl_remove(struct platform_device *pdev) { struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - if (pwmbl->gpio_on != -1) { + if (pwmbl->gpio_on != -1) gpio_set_value(pwmbl->gpio_on, 0); - gpio_free(pwmbl->gpio_on); - } pwm_channel_disable(&pwmbl->pwmc); pwm_channel_free(&pwmbl->pwmc); backlight_device_unregister(pwmbl->bldev); platform_set_drvdata(pdev, NULL); - kfree(pwmbl); return 0; } diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index 23d732677ba1..c781768ba892 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -492,7 +492,8 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, lcd->gpio_backlight_cont = -1; if (gpio_is_valid(pdata->gpio_backlight_on)) { - err = gpio_request(pdata->gpio_backlight_on, "BL_ON"); + err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_on, + "BL_ON"); if (err) { dev_err(&spi->dev, "failed to request GPIO%d for " "backlight_on\n", pdata->gpio_backlight_on); @@ -504,11 +505,12 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, } if (gpio_is_valid(pdata->gpio_backlight_cont)) { - err = gpio_request(pdata->gpio_backlight_cont, "BL_CONT"); + err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_cont, + "BL_CONT"); if (err) { dev_err(&spi->dev, "failed to request GPIO%d for " "backlight_cont\n", pdata->gpio_backlight_cont); - goto err_free_backlight_on; + return err; } lcd->gpio_backlight_cont = pdata->gpio_backlight_cont; @@ -525,11 +527,6 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, } } return 0; - -err_free_backlight_on: - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - return err; } static int __devinit corgi_lcd_probe(struct spi_device *spi) @@ -602,12 +599,6 @@ static int __devexit corgi_lcd_remove(struct spi_device *spi) backlight_update_status(lcd->bl_dev); backlight_device_unregister(lcd->bl_dev); - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - - if (gpio_is_valid(lcd->gpio_backlight_cont)) - gpio_free(lcd->gpio_backlight_cont); - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN); lcd_device_unregister(lcd->lcd_dev); diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 40f606a86093..2d90c0648aa0 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -175,28 +175,27 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi) priv->spi = spi; - ret = gpio_request_one(pdata->reset_gpio, GPIOF_OUT_INIT_HIGH, - "lcd l4f00242t03 reset"); + ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio, + GPIOF_OUT_INIT_HIGH, "lcd l4f00242t03 reset"); if (ret) { dev_err(&spi->dev, "Unable to get the lcd l4f00242t03 reset gpio.\n"); return ret; } - ret = gpio_request_one(pdata->data_enable_gpio, GPIOF_OUT_INIT_LOW, - "lcd l4f00242t03 data enable"); + ret = devm_gpio_request_one(&spi->dev, pdata->data_enable_gpio, + GPIOF_OUT_INIT_LOW, "lcd l4f00242t03 data enable"); if (ret) { dev_err(&spi->dev, "Unable to get the lcd l4f00242t03 data en gpio.\n"); - goto err; + return ret; } priv->io_reg = regulator_get(&spi->dev, "vdd"); if (IS_ERR(priv->io_reg)) { - ret = PTR_ERR(priv->io_reg); dev_err(&spi->dev, "%s: Unable to get the IO regulator\n", __func__); - goto err2; + return PTR_ERR(priv->io_reg); } priv->core_reg = regulator_get(&spi->dev, "vcore"); @@ -204,14 +203,14 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi) ret = PTR_ERR(priv->core_reg); dev_err(&spi->dev, "%s: Unable to get the core regulator\n", __func__); - goto err3; + goto err1; } priv->ld = lcd_device_register("l4f00242t03", &spi->dev, priv, &l4f_ops); if (IS_ERR(priv->ld)) { ret = PTR_ERR(priv->ld); - goto err4; + goto err2; } /* Init the LCD */ @@ -223,14 +222,10 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi) return 0; -err4: +err2: regulator_put(priv->core_reg); -err3: +err1: regulator_put(priv->io_reg); -err2: - gpio_free(pdata->data_enable_gpio); -err: - gpio_free(pdata->reset_gpio); return ret; } @@ -238,16 +233,12 @@ err: static int __devexit l4f00242t03_remove(struct spi_device *spi) { struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); - struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data; l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_POWERDOWN); lcd_device_unregister(priv->ld); dev_set_drvdata(&spi->dev, NULL); - gpio_free(pdata->data_enable_gpio); - gpio_free(pdata->reset_gpio); - regulator_put(priv->io_reg); regulator_put(priv->core_reg); diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c index bebeb63607db..18dca0c29c68 100644 --- a/drivers/video/backlight/lm3533_bl.c +++ b/drivers/video/backlight/lm3533_bl.c @@ -295,7 +295,7 @@ static int __devinit lm3533_bl_probe(struct platform_device *pdev) return -EINVAL; } - bl = kzalloc(sizeof(*bl), GFP_KERNEL); + bl = devm_kzalloc(&pdev->dev, sizeof(*bl), GFP_KERNEL); if (!bl) { dev_err(&pdev->dev, "failed to allocate memory for backlight\n"); @@ -317,8 +317,7 @@ static int __devinit lm3533_bl_probe(struct platform_device *pdev) &lm3533_bl_ops, &props); if (IS_ERR(bd)) { dev_err(&pdev->dev, "failed to register backlight device\n"); - ret = PTR_ERR(bd); - goto err_free; + return PTR_ERR(bd); } bl->bd = bd; @@ -348,8 +347,6 @@ err_sysfs_remove: sysfs_remove_group(&bd->dev.kobj, &lm3533_bl_attribute_group); err_unregister: backlight_device_unregister(bd); -err_free: - kfree(bl); return ret; } @@ -367,7 +364,6 @@ static int __devexit 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); - kfree(bl); return 0; } diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index a9f2c36966f1..ea43f2254196 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -158,29 +158,27 @@ static int __devinit lms283gf05_probe(struct spi_device *spi) int ret = 0; if (pdata != NULL) { - ret = gpio_request(pdata->reset_gpio, "LMS285GF05 RESET"); + ret = devm_gpio_request(&spi->dev, pdata->reset_gpio, + "LMS285GF05 RESET"); if (ret) return ret; ret = gpio_direction_output(pdata->reset_gpio, !pdata->reset_inverted); if (ret) - goto err; + return ret; } st = devm_kzalloc(&spi->dev, sizeof(struct lms283gf05_state), GFP_KERNEL); if (st == NULL) { dev_err(&spi->dev, "No memory for device state\n"); - ret = -ENOMEM; - goto err; + return -ENOMEM; } ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops); - if (IS_ERR(ld)) { - ret = PTR_ERR(ld); - goto err; - } + if (IS_ERR(ld)) + return PTR_ERR(ld); st->spi = spi; st->ld = ld; @@ -193,24 +191,14 @@ static int __devinit lms283gf05_probe(struct spi_device *spi) lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq)); return 0; - -err: - if (pdata != NULL) - gpio_free(pdata->reset_gpio); - - return ret; } static int __devexit lms283gf05_remove(struct spi_device *spi) { struct lms283gf05_state *st = dev_get_drvdata(&spi->dev); - struct lms283gf05_pdata *pdata = st->spi->dev.platform_data; lcd_device_unregister(st->ld); - if (pdata != NULL) - gpio_free(pdata->reset_gpio); - return 0; } diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 72a0e0c917cf..aa6d4f71131f 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -14,11 +14,15 @@ #include <linux/i2c.h> #include <linux/backlight.h> #include <linux/err.h> -#include <linux/lp855x.h> +#include <linux/platform_data/lp855x.h> /* Registers */ -#define BRIGHTNESS_CTRL (0x00) -#define DEVICE_CTRL (0x01) +#define BRIGHTNESS_CTRL 0x00 +#define DEVICE_CTRL 0x01 +#define EEPROM_START 0xA0 +#define EEPROM_END 0xA7 +#define EPROM_START 0xA0 +#define EPROM_END 0xAF #define BUF_SIZE 20 #define DEFAULT_BL_NAME "lcd-backlight" diff --git a/drivers/video/backlight/ot200_bl.c b/drivers/video/backlight/ot200_bl.c index f519d55a294c..469cf0f109d2 100644 --- a/drivers/video/backlight/ot200_bl.c +++ b/drivers/video/backlight/ot200_bl.c @@ -84,7 +84,8 @@ static int ot200_backlight_probe(struct platform_device *pdev) int retval = 0; /* request gpio */ - if (gpio_request(GPIO_DIMM, "ot200 backlight dimmer") < 0) { + if (devm_gpio_request(&pdev->dev, GPIO_DIMM, + "ot200 backlight dimmer") < 0) { dev_err(&pdev->dev, "failed to request GPIO %d\n", GPIO_DIMM); return -ENODEV; } @@ -93,14 +94,13 @@ static int ot200_backlight_probe(struct platform_device *pdev) pwm_timer = cs5535_mfgpt_alloc_timer(7, MFGPT_DOMAIN_ANY); if (!pwm_timer) { dev_err(&pdev->dev, "MFGPT 7 not available\n"); - retval = -ENODEV; - goto error_mfgpt_alloc; + return -ENODEV; } - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) { retval = -ENOMEM; - goto error_kzalloc; + goto error_devm_kzalloc; } /* setup gpio */ @@ -122,26 +122,21 @@ static int ot200_backlight_probe(struct platform_device *pdev) if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); retval = PTR_ERR(bl); - goto error_backlight_device_register; + goto error_devm_kzalloc; } platform_set_drvdata(pdev, bl); return 0; -error_backlight_device_register: - kfree(data); -error_kzalloc: +error_devm_kzalloc: cs5535_mfgpt_free_timer(pwm_timer); -error_mfgpt_alloc: - gpio_free(GPIO_DIMM); return retval; } static int ot200_backlight_remove(struct platform_device *pdev) { struct backlight_device *bl = platform_get_drvdata(pdev); - struct ot200_backlight_data *data = bl_get_data(bl); backlight_device_unregister(bl); @@ -152,9 +147,7 @@ static int ot200_backlight_remove(struct platform_device *pdev) MAX_COMP2 - dim_table[100]); cs5535_mfgpt_free_timer(pwm_timer); - gpio_free(GPIO_DIMM); - kfree(data); return 0; } diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 342b7d7cbb63..995f0164c9b0 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -26,11 +26,13 @@ struct pwm_bl_data { struct device *dev; unsigned int period; unsigned int lth_brightness; + unsigned int *levels; int (*notify)(struct device *, int brightness); void (*notify_after)(struct device *, int brightness); int (*check_fb)(struct device *, struct fb_info *); + void (*exit)(struct device *); }; static int pwm_backlight_update_status(struct backlight_device *bl) @@ -52,9 +54,18 @@ static int pwm_backlight_update_status(struct backlight_device *bl) pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); } else { - brightness = pb->lth_brightness + - (brightness * (pb->period - pb->lth_brightness) / max); - pwm_config(pb->pwm, brightness, pb->period); + int duty_cycle; + + if (pb->levels) { + duty_cycle = pb->levels[brightness]; + max = pb->levels[max]; + } else { + duty_cycle = brightness; + } + + duty_cycle = pb->lth_brightness + + (duty_cycle * (pb->period - pb->lth_brightness) / max); + pwm_config(pb->pwm, duty_cycle, pb->period); pwm_enable(pb->pwm); } @@ -83,17 +94,98 @@ static const struct backlight_ops pwm_backlight_ops = { .check_fb = pwm_backlight_check_fb, }; +#ifdef CONFIG_OF +static int pwm_backlight_parse_dt(struct device *dev, + struct platform_pwm_backlight_data *data) +{ + struct device_node *node = dev->of_node; + struct property *prop; + int length; + u32 value; + int ret; + + if (!node) + return -ENODEV; + + memset(data, 0, sizeof(*data)); + + /* determine the number of brightness levels */ + prop = of_find_property(node, "brightness-levels", &length); + if (!prop) + return -EINVAL; + + data->max_brightness = length / sizeof(u32); + + /* read brightness levels from DT property */ + if (data->max_brightness > 0) { + size_t size = sizeof(*data->levels) * data->max_brightness; + + data->levels = devm_kzalloc(dev, size, GFP_KERNEL); + if (!data->levels) + return -ENOMEM; + + ret = of_property_read_u32_array(node, "brightness-levels", + data->levels, + data->max_brightness); + if (ret < 0) + return ret; + + ret = of_property_read_u32(node, "default-brightness-level", + &value); + if (ret < 0) + return ret; + + if (value >= data->max_brightness) { + dev_warn(dev, "invalid default brightness level: %u, using %u\n", + value, data->max_brightness - 1); + value = data->max_brightness - 1; + } + + data->dft_brightness = value; + data->max_brightness--; + } + + /* + * TODO: Most users of this driver use a number of GPIOs to control + * backlight power. Support for specifying these needs to be + * added. + */ + + return 0; +} + +static struct of_device_id pwm_backlight_of_match[] = { + { .compatible = "pwm-backlight" }, + { } +}; + +MODULE_DEVICE_TABLE(of, pwm_backlight_of_match); +#else +static int pwm_backlight_parse_dt(struct device *dev, + struct platform_pwm_backlight_data *data) +{ + return -ENODEV; +} +#endif + static int pwm_backlight_probe(struct platform_device *pdev) { - struct backlight_properties props; struct platform_pwm_backlight_data *data = pdev->dev.platform_data; + struct platform_pwm_backlight_data defdata; + struct backlight_properties props; struct backlight_device *bl; struct pwm_bl_data *pb; + unsigned int max; int ret; if (!data) { - dev_err(&pdev->dev, "failed to find platform data\n"); - return -EINVAL; + ret = pwm_backlight_parse_dt(&pdev->dev, &defdata); + if (ret < 0) { + dev_err(&pdev->dev, "failed to find platform data\n"); + return ret; + } + + data = &defdata; } if (data->init) { @@ -109,21 +201,42 @@ static int pwm_backlight_probe(struct platform_device *pdev) goto err_alloc; } - pb->period = data->pwm_period_ns; + if (data->levels) { + max = data->levels[data->max_brightness]; + pb->levels = data->levels; + } else + max = data->max_brightness; + pb->notify = data->notify; pb->notify_after = data->notify_after; pb->check_fb = data->check_fb; - pb->lth_brightness = data->lth_brightness * - (data->pwm_period_ns / data->max_brightness); + pb->exit = data->exit; pb->dev = &pdev->dev; - pb->pwm = pwm_request(data->pwm_id, "backlight"); + pb->pwm = pwm_get(&pdev->dev, NULL); if (IS_ERR(pb->pwm)) { - dev_err(&pdev->dev, "unable to request PWM for backlight\n"); - ret = PTR_ERR(pb->pwm); - goto err_alloc; - } else - dev_dbg(&pdev->dev, "got pwm for backlight\n"); + dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n"); + + pb->pwm = pwm_request(data->pwm_id, "pwm-backlight"); + if (IS_ERR(pb->pwm)) { + dev_err(&pdev->dev, "unable to request legacy PWM\n"); + ret = PTR_ERR(pb->pwm); + goto err_alloc; + } + } + + dev_dbg(&pdev->dev, "got pwm for backlight\n"); + + /* + * The DT case will set the pwm_period_ns field to 0 and store the + * period, parsed from the DT, in the PWM device. For the non-DT case, + * set the period from platform data. + */ + if (data->pwm_period_ns > 0) + pwm_set_period(pb->pwm, data->pwm_period_ns); + + pb->period = pwm_get_period(pb->pwm); + pb->lth_brightness = data->lth_brightness * (pb->period / max); memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; @@ -143,7 +256,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) return 0; err_bl: - pwm_free(pb->pwm); + pwm_put(pb->pwm); err_alloc: if (data->exit) data->exit(&pdev->dev); @@ -152,16 +265,15 @@ err_alloc: static int pwm_backlight_remove(struct platform_device *pdev) { - struct platform_pwm_backlight_data *data = pdev->dev.platform_data; struct backlight_device *bl = platform_get_drvdata(pdev); struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); backlight_device_unregister(bl); pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); - pwm_free(pb->pwm); - if (data->exit) - data->exit(&pdev->dev); + pwm_put(pb->pwm); + if (pb->exit) + pb->exit(&pdev->dev); return 0; } @@ -195,11 +307,12 @@ static SIMPLE_DEV_PM_OPS(pwm_backlight_pm_ops, pwm_backlight_suspend, static struct platform_driver pwm_backlight_driver = { .driver = { - .name = "pwm-backlight", - .owner = THIS_MODULE, + .name = "pwm-backlight", + .owner = THIS_MODULE, #ifdef CONFIG_PM - .pm = &pwm_backlight_pm_ops, + .pm = &pwm_backlight_pm_ops, #endif + .of_match_table = of_match_ptr(pwm_backlight_of_match), }, .probe = pwm_backlight_probe, .remove = pwm_backlight_remove, diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 0d54e607e82d..49342e1d20be 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -92,14 +92,14 @@ static int __devinit tosa_bl_probe(struct i2c_client *client, data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj; - ret = gpio_request(TOSA_GPIO_BL_C20MA, "backlight"); + ret = devm_gpio_request(&client->dev, TOSA_GPIO_BL_C20MA, "backlight"); if (ret) { dev_dbg(&data->bl->dev, "Unable to request gpio!\n"); return ret; } ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0); if (ret) - goto err_gpio_dir; + return ret; i2c_set_clientdata(client, data); data->i2c = client; @@ -123,8 +123,6 @@ static int __devinit tosa_bl_probe(struct i2c_client *client, err_reg: data->bl = NULL; -err_gpio_dir: - gpio_free(TOSA_GPIO_BL_C20MA); return ret; } @@ -135,8 +133,6 @@ static int __devexit tosa_bl_remove(struct i2c_client *client) backlight_device_unregister(data->bl); data->bl = NULL; - gpio_free(TOSA_GPIO_BL_C20MA); - return 0; } diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c index 47823b8efff0..33047a66cc24 100644 --- a/drivers/video/backlight/tosa_lcd.c +++ b/drivers/video/backlight/tosa_lcd.c @@ -193,7 +193,7 @@ static int __devinit tosa_lcd_probe(struct spi_device *spi) data->spi = spi; dev_set_drvdata(&spi->dev, data); - ret = gpio_request(TOSA_GPIO_TG_ON, "tg #pwr"); + ret = devm_gpio_request(&spi->dev, TOSA_GPIO_TG_ON, "tg #pwr"); if (ret < 0) goto err_gpio_tg; @@ -201,7 +201,7 @@ static int __devinit tosa_lcd_probe(struct spi_device *spi) ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0); if (ret < 0) - goto err_gpio_dir; + goto err_gpio_tg; mdelay(60); tosa_lcd_tg_init(data); @@ -221,8 +221,6 @@ static int __devinit tosa_lcd_probe(struct spi_device *spi) err_register: tosa_lcd_tg_off(data); -err_gpio_dir: - gpio_free(TOSA_GPIO_TG_ON); err_gpio_tg: dev_set_drvdata(&spi->dev, NULL); return ret; @@ -239,7 +237,6 @@ static int __devexit tosa_lcd_remove(struct spi_device *spi) tosa_lcd_tg_off(data); - gpio_free(TOSA_GPIO_TG_ON); dev_set_drvdata(&spi->dev, NULL); return 0; diff --git a/drivers/video/bfin_adv7393fb.c b/drivers/video/bfin_adv7393fb.c index 9bdd4b0c18c8..d0f121bd8b25 100644 --- a/drivers/video/bfin_adv7393fb.c +++ b/drivers/video/bfin_adv7393fb.c @@ -58,7 +58,7 @@ static const unsigned short ppi_pins[] = { */ static struct bfin_adv7393_fb_par { - /* structure holding blackfin / adv7393 paramters when + /* structure holding blackfin / adv7393 parameters when screen is blanked */ struct { u8 Mode; /* ntsc/pal/? */ diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 738c8ce7d132..bc67d05cad60 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -1611,7 +1611,7 @@ static void init_vgachip(struct fb_info *info) /* ext. display controls: ext.adr. wrap */ vga_wcrt(cinfo->regbase, CL_CRT1B, 0x02); - /* Set/Reset registes: - */ + /* Set/Reset registers: - */ vga_wgfx(cinfo->regbase, VGA_GFX_SR_VALUE, 0x00); /* Set/Reset enable: - */ vga_wgfx(cinfo->regbase, VGA_GFX_SR_ENABLE, 0x00); diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c index ce401c83f638..2db5b9aa250a 100644 --- a/drivers/video/exynos/exynos_dp_reg.c +++ b/drivers/video/exynos/exynos_dp_reg.c @@ -752,7 +752,7 @@ int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp, /* * If Rx sends defer, Tx sends only reads - * request without sending addres + * request without sending address */ if (!defer) retval = exynos_dp_select_i2c_device(dp, diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c index 939064064a4f..4bc2b8a5dd8b 100644 --- a/drivers/video/exynos/exynos_mipi_dsi.c +++ b/drivers/video/exynos/exynos_mipi_dsi.c @@ -106,7 +106,7 @@ static void exynos_mipi_update_cfg(struct mipi_dsim_device *dsim) /* * data from Display controller(FIMD) is transferred in video mode - * but in case of command mode, all settigs is updated to registers. + * but in case of command mode, all settings are updated to registers. */ exynos_mipi_dsi_stand_by(dsim, 1); } diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index 1ddeb11659d4..64cda560c488 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -104,6 +104,8 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, deferred framebuffer IO. then if userspace touches a page again, we repeat the same scheme */ + file_update_time(vma->vm_file); + /* protect against the workqueue changing the page list */ mutex_lock(&fbdefio->lock); diff --git a/drivers/video/i740fb.c b/drivers/video/i740fb.c index fe574d84ed99..ff3f8808e4e9 100644 --- a/drivers/video/i740fb.c +++ b/drivers/video/i740fb.c @@ -497,7 +497,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var, mem = vxres * vyres * ((bpp + 1) / 8); if (mem > info->screen_size) { - dev_err(info->device, "not enough video memory (%d KB requested, %ld KB avaliable)\n", + dev_err(info->device, "not enough video memory (%d KB requested, %ld KB available)\n", mem >> 10, info->screen_size >> 10); return -ENOMEM; } @@ -728,7 +728,7 @@ static void vga_protect(struct i740fb_par *par) i740outreg_mask(par, VGA_SEQ_I, VGA_SEQ_CLOCK_MODE, 0x20, 0x20); i740inb(par, 0x3DA); - i740outb(par, VGA_ATT_W, 0x00); /* enable pallete access */ + i740outb(par, VGA_ATT_W, 0x00); /* enable palette access */ } static void vga_unprotect(struct i740fb_par *par) @@ -737,7 +737,7 @@ static void vga_unprotect(struct i740fb_par *par) i740outreg_mask(par, VGA_SEQ_I, VGA_SEQ_CLOCK_MODE, 0, 0x20); i740inb(par, 0x3DA); - i740outb(par, VGA_ATT_W, 0x20); /* disable pallete access */ + i740outb(par, VGA_ATT_W, 0x20); /* disable palette access */ } static int i740fb_set_par(struct fb_info *info) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index abbe691047bd..49619b441500 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -41,12 +41,14 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/pinctrl/consumer.h> -#include <mach/mxsfb.h> +#include <linux/mxsfb.h> #define REG_SET 4 #define REG_CLR 8 @@ -750,16 +752,43 @@ static void __devexit mxsfb_free_videomem(struct mxsfb_info *host) } } +static struct platform_device_id mxsfb_devtype[] = { + { + .name = "imx23-fb", + .driver_data = MXSFB_V3, + }, { + .name = "imx28-fb", + .driver_data = MXSFB_V4, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, mxsfb_devtype); + +static const struct of_device_id mxsfb_dt_ids[] = { + { .compatible = "fsl,imx23-lcdif", .data = &mxsfb_devtype[0], }, + { .compatible = "fsl,imx28-lcdif", .data = &mxsfb_devtype[1], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, mxsfb_dt_ids); + static int __devinit mxsfb_probe(struct platform_device *pdev) { + const struct of_device_id *of_id = + of_match_device(mxsfb_dt_ids, &pdev->dev); struct mxsfb_platform_data *pdata = pdev->dev.platform_data; struct resource *res; struct mxsfb_info *host; struct fb_info *fb_info; struct fb_modelist *modelist; struct pinctrl *pinctrl; + int panel_enable; + enum of_gpio_flags flags; int i, ret; + if (of_id) + pdev->id_entry = of_id->data; + if (!pdata) { dev_err(&pdev->dev, "No platformdata. Giving up\n"); return -ENODEV; @@ -807,6 +836,22 @@ static int __devinit mxsfb_probe(struct platform_device *pdev) goto error_getclock; } + panel_enable = of_get_named_gpio_flags(pdev->dev.of_node, + "panel-enable-gpios", 0, &flags); + if (gpio_is_valid(panel_enable)) { + unsigned long f = GPIOF_OUT_INIT_HIGH; + if (flags == OF_GPIO_ACTIVE_LOW) + f = GPIOF_OUT_INIT_LOW; + ret = devm_gpio_request_one(&pdev->dev, panel_enable, + f, "panel-enable"); + if (ret) { + dev_err(&pdev->dev, + "failed to request gpio %d: %d\n", + panel_enable, ret); + goto error_panel_enable; + } + } + fb_info->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); if (!fb_info->pseudo_palette) { ret = -ENOMEM; @@ -854,6 +899,7 @@ error_register: error_init_fb: kfree(fb_info->pseudo_palette); error_pseudo_pallette: +error_panel_enable: clk_put(host->clk); error_getclock: error_getpin: @@ -901,19 +947,6 @@ static void mxsfb_shutdown(struct platform_device *pdev) writel(CTRL_RUN, host->base + LCDC_CTRL + REG_CLR); } -static struct platform_device_id mxsfb_devtype[] = { - { - .name = "imx23-fb", - .driver_data = MXSFB_V3, - }, { - .name = "imx28-fb", - .driver_data = MXSFB_V4, - }, { - /* sentinel */ - } -}; -MODULE_DEVICE_TABLE(platform, mxsfb_devtype); - static struct platform_driver mxsfb_driver = { .probe = mxsfb_probe, .remove = __devexit_p(mxsfb_remove), @@ -921,6 +954,7 @@ static struct platform_driver mxsfb_driver = { .id_table = mxsfb_devtype, .driver = { .name = DRIVER_NAME, + .of_match_table = mxsfb_dt_ids, }, }; diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index ea7b661e7229..69bf9d07c237 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -189,7 +189,7 @@ struct s3c_fb_vsync { /** * struct s3c_fb - overall hardware state of the hardware - * @slock: The spinlock protection for this data sturcture. + * @slock: The spinlock protection for this data sturucture. * @dev: The device that we bound to, for printing, etc. * @bus_clk: The clk (hclk) feeding our interface and possibly pixclk. * @lcd_clk: The clk (sclk) feeding pixclk. diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c index f3d3b9ce4751..0d0f52c18fd8 100644 --- a/drivers/video/savage/savagefb_driver.c +++ b/drivers/video/savage/savagefb_driver.c @@ -662,7 +662,7 @@ static void savage_get_default_par(struct savagefb_par *par, struct savage_reg * vga_out8(0x3c4, 0x18, par); reg->SR18 = vga_in8(0x3c5, par); - /* Save flat panel expansion regsters. */ + /* Save flat panel expansion registers. */ if (par->chip == S3_SAVAGE_MX) { int i; @@ -815,7 +815,7 @@ static void savage_set_default_par(struct savagefb_par *par, vga_out8(0x3c4, 0x18, par); vga_out8(0x3c5, reg->SR18, par); - /* Save flat panel expansion regsters. */ + /* Save flat panel expansion registers. */ if (par->chip == S3_SAVAGE_MX) { int i; @@ -1318,7 +1318,7 @@ static void savagefb_set_par_int(struct savagefb_par *par, struct savage_reg *r vga_out8(0x3c4, 0x15, par); vga_out8(0x3c5, reg->SR15, par); - /* Restore flat panel expansion regsters. */ + /* Restore flat panel expansion registers. */ if (par->chip == S3_SAVAGE_MX) { int i; diff --git a/drivers/video/sis/init.c b/drivers/video/sis/init.c index 66de832361cc..f082ae55c0c9 100644 --- a/drivers/video/sis/init.c +++ b/drivers/video/sis/init.c @@ -2628,7 +2628,8 @@ SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo, else if(VCLK >= 135) data = 0x02; if(SiS_Pr->ChipType == SIS_540) { - if((VCLK == 203) || (VCLK < 234)) data = 0x02; + /* Was == 203 or < 234 which made no sense */ + if (VCLK < 234) data = 0x02; } if(SiS_Pr->ChipType < SIS_315H) { diff --git a/drivers/video/smscufx.c b/drivers/video/smscufx.c index f39e0690f484..5533a32c6ca1 100644 --- a/drivers/video/smscufx.c +++ b/drivers/video/smscufx.c @@ -1,7 +1,7 @@ /* * smscufx.c -- Framebuffer driver for SMSC UFX USB controller * - * Copyright (C) 2011 Steve Glendinning <steve.glendinning@smsc.com> + * Copyright (C) 2011 Steve Glendinning <steve.glendinning@shawell.net> * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it> * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com> * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com> @@ -1002,7 +1002,7 @@ static int ufx_ops_ioctl(struct fb_info *info, unsigned int cmd, /* TODO: Help propose a standard fb.h ioctl to report mmap damage */ if (cmd == UFX_IOCTL_REPORT_DAMAGE) { /* If we have a damage-aware client, turn fb_defio "off" - * To avoid perf imact of unecessary page fault handling. + * To avoid perf imact of unnecessary page fault handling. * Done by resetting the delay for this fb_info to a very * long period. Pages will become writable and stay that way. * Reset to normal value when all clients have closed this fb. @@ -1466,7 +1466,7 @@ static int ufx_read_edid(struct ufx_data *dev, u8 *edid, int edid_len) /* all FF's in the first 16 bytes indicates nothing is connected */ for (i = 0; i < 16; i++) { if (edid[i] != 0xFF) { - pr_debug("edid data read succesfully"); + pr_debug("edid data read successfully"); return EDID_LENGTH; } } @@ -1972,6 +1972,6 @@ MODULE_PARM_DESC(console, "Allow fbcon to be used on this display"); module_param(fb_defio, bool, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP); MODULE_PARM_DESC(fb_defio, "Enable fb_defio mmap support"); -MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>"); +MODULE_AUTHOR("Steve Glendinning <steve.glendinning@shawell.net>"); MODULE_DESCRIPTION("SMSC UFX kernel framebuffer driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c index b9c2b948d34d..eb931b8626fa 100644 --- a/drivers/video/sunxvr500.c +++ b/drivers/video/sunxvr500.c @@ -12,7 +12,7 @@ #include <asm/io.h> -/* XXX This device has a 'dev-comm' property which aparently is +/* XXX This device has a 'dev-comm' property which apparently is * XXX a pointer into the openfirmware's address space which is * XXX a shared area the kernel driver can use to keep OBP * XXX informed about the current resolution setting. The idea |