diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/cdv_intel_lvds.c')
-rw-r--r-- | drivers/gpu/drm/gma500/cdv_intel_lvds.c | 100 |
1 files changed, 3 insertions, 97 deletions
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index ea0a5d9a0acc..eaaf4efec217 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -12,6 +12,8 @@ #include <linux/i2c.h> #include <linux/pm_runtime.h> +#include <drm/drm_simple_kms_helper.h> + #include "cdv_device.h" #include "intel_bios.h" #include "power.h" @@ -72,89 +74,6 @@ static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev) return retval; } -#if 0 -/* - * Set LVDS backlight level by I2C command - */ -static int cdv_lvds_i2c_set_brightness(struct drm_device *dev, - unsigned int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus; - u8 out_buf[2]; - unsigned int blc_i2c_brightness; - - struct i2c_msg msgs[] = { - { - .addr = lvds_i2c_bus->slave_addr, - .flags = 0, - .len = 2, - .buf = out_buf, - } - }; - - blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level * - BRIGHTNESS_MASK / - BRIGHTNESS_MAX_LEVEL); - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness; - - out_buf[0] = dev_priv->lvds_bl->brightnesscmd; - out_buf[1] = (u8)blc_i2c_brightness; - - if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) - return 0; - - DRM_ERROR("I2C transfer error\n"); - return -1; -} - - -static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - u32 max_pwm_blc; - u32 blc_pwm_duty_cycle; - - max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev); - - /*BLC_PWM_CTL Should be initiated while backlight device init*/ - BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0); - - blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL; - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle; - - blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR; - REG_WRITE(BLC_PWM_CTL, - (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) | - (blc_pwm_duty_cycle)); - - return 0; -} - -/* - * Set LVDS backlight level either by I2C or PWM - */ -void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->lvds_bl) { - DRM_ERROR("NO LVDS Backlight Info\n"); - return; - } - - if (dev_priv->lvds_bl->type == BLC_I2C_TYPE) - cdv_lvds_i2c_set_brightness(dev, level); - else - cdv_lvds_pwm_set_brightness(dev, level); -} -#endif - /** * Sets the backlight level. * @@ -499,16 +418,6 @@ static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = { .destroy = cdv_intel_lvds_destroy, }; - -static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = { - .destroy = cdv_intel_lvds_enc_destroy, -}; - /* * Enumerate the child dev array parsed from VBT to check whether * the LVDS is present. @@ -616,10 +525,7 @@ void cdv_intel_lvds_init(struct drm_device *dev, &cdv_intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - drm_encoder_init(dev, encoder, - &cdv_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS, NULL); - + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_LVDS; |