#include <drm/radeon_drm.h>
#include "radeon.h"
#include "atom.h"
+#include <linux/backlight.h>
extern int atom_debug;
+static u8
+radeon_atom_get_backlight_level_from_reg(struct radeon_device *rdev)
+{
+ u8 backlight_level;
+ u32 bios_2_scratch;
+
+ if (rdev->family >= CHIP_R600)
+ bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
+ else
+ bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
+
+ backlight_level = ((bios_2_scratch & ATOM_S2_CURRENT_BL_LEVEL_MASK) >>
+ ATOM_S2_CURRENT_BL_LEVEL_SHIFT);
+
+ return backlight_level;
+}
+
+static void
+radeon_atom_set_backlight_level_to_reg(struct radeon_device *rdev,
+ u8 backlight_level)
+{
+ u32 bios_2_scratch;
+
+ if (rdev->family >= CHIP_R600)
+ bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
+ else
+ bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
+
+ bios_2_scratch &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK;
+ bios_2_scratch |= ((backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) &
+ ATOM_S2_CURRENT_BL_LEVEL_MASK);
+
+ if (rdev->family >= CHIP_R600)
+ WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
+ else
+ WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
+}
+
+u8
+atombios_get_backlight_level(struct radeon_encoder *radeon_encoder)
+{
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
+ return 0;
+
+ return radeon_atom_get_backlight_level_from_reg(rdev);
+}
+
+void
+atombios_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
+{
+ struct drm_encoder *encoder = &radeon_encoder->base;
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder_atom_dig *dig;
+ DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION args;
+ int index;
+
+ if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
+ return;
+
+ if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
+ radeon_encoder->enc_priv) {
+ dig = radeon_encoder->enc_priv;
+ dig->backlight_level = level;
+ radeon_atom_set_backlight_level_to_reg(rdev, dig->backlight_level);
+
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_LVDS:
+ case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+ index = GetIndexIntoMasterTable(COMMAND, LCD1OutputControl);
+ if (dig->backlight_level == 0) {
+ args.ucAction = ATOM_LCD_BLOFF;
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ } else {
+ args.ucAction = ATOM_LCD_BL_BRIGHTNESS_CONTROL;
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ args.ucAction = ATOM_LCD_BLON;
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ }
+ break;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ if (dig->backlight_level == 0)
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);
+ else {
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_BL_BRIGHTNESS_CONTROL, 0, 0);
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_LCD_BLON, 0, 0);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+
+static u8 radeon_atom_bl_level(struct backlight_device *bd)
+{
+ u8 level;
+
+ /* Convert brightness to hardware level */
+ if (bd->props.brightness < 0)
+ level = 0;
+ else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
+ level = RADEON_MAX_BL_LEVEL;
+ else
+ level = bd->props.brightness;
+
+ return level;
+}
+
+static int radeon_atom_backlight_update_status(struct backlight_device *bd)
+{
+ struct radeon_backlight_privdata *pdata = bl_get_data(bd);
+ struct radeon_encoder *radeon_encoder = pdata->encoder;
+
+ atombios_set_backlight_level(radeon_encoder, radeon_atom_bl_level(bd));
+
+ return 0;
+}
+
+static int radeon_atom_backlight_get_brightness(struct backlight_device *bd)
+{
+ struct radeon_backlight_privdata *pdata = bl_get_data(bd);
+ struct radeon_encoder *radeon_encoder = pdata->encoder;
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ return radeon_atom_get_backlight_level_from_reg(rdev);
+}
+
+static const struct backlight_ops radeon_atom_backlight_ops = {
+ .get_brightness = radeon_atom_backlight_get_brightness,
+ .update_status = radeon_atom_backlight_update_status,
+};
+
+void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
+ struct drm_connector *drm_connector)
+{
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct backlight_device *bd;
+ struct backlight_properties props;
+ struct radeon_backlight_privdata *pdata;
+ struct radeon_encoder_atom_dig *dig;
+ u8 backlight_level;
+
+ if (!radeon_encoder->enc_priv)
+ return;
+
+ if (!rdev->is_atom_bios)
+ return;
+
+ if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
+ return;
+
+ pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL);
+ if (!pdata) {
+ DRM_ERROR("Memory allocation failed\n");
+ goto error;
+ }
+
+ memset(&props, 0, sizeof(props));
+ props.max_brightness = RADEON_MAX_BL_LEVEL;
+ props.type = BACKLIGHT_RAW;
+ bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
+ pdata, &radeon_atom_backlight_ops, &props);
+ if (IS_ERR(bd)) {
+ DRM_ERROR("Backlight registration failed\n");
+ goto error;
+ }
+
+ pdata->encoder = radeon_encoder;
+
+ backlight_level = radeon_atom_get_backlight_level_from_reg(rdev);
+
+ dig = radeon_encoder->enc_priv;
+ dig->bl_dev = bd;
+
+ bd->props.brightness = radeon_atom_backlight_get_brightness(bd);
+ bd->props.power = FB_BLANK_UNBLANK;
+ backlight_update_status(bd);
+
+ DRM_INFO("radeon atom DIG backlight initialized\n");
+
+ return;
+
+error:
+ kfree(pdata);
+ return;
+}
+
+static void radeon_atom_backlight_exit(struct radeon_encoder *radeon_encoder)
+{
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct backlight_device *bd = NULL;
+ struct radeon_encoder_atom_dig *dig;
+
+ if (!radeon_encoder->enc_priv)
+ return;
+
+ if (!rdev->is_atom_bios)
+ return;
+
+ if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
+ return;
+
+ dig = radeon_encoder->enc_priv;
+ bd = dig->bl_dev;
+ dig->bl_dev = NULL;
+
+ if (bd) {
+ struct radeon_legacy_backlight_privdata *pdata;
+
+ pdata = bl_get_data(bd);
+ backlight_device_unregister(bd);
+ kfree(pdata);
+
+ DRM_INFO("radeon atom LVDS backlight unloaded\n");
+ }
+}
+
+#else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
+
+void radeon_atom_backlight_init(struct radeon_encoder *encoder)
+{
+}
+
+static void radeon_atom_backlight_exit(struct radeon_encoder *encoder)
+{
+}
+
+#endif
+
/* evil but including atombios.h is much worse */
bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
struct drm_display_mode *mode);
}
+static u8 radeon_atom_get_bpc(struct drm_encoder *encoder)
+{
+ struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+ int bpc = 8;
+
+ if (connector)
+ bpc = radeon_get_monitor_bpc(connector);
+
+ switch (bpc) {
+ case 0:
+ return PANEL_BPC_UNDEFINE;
+ case 6:
+ return PANEL_6BIT_PER_COLOR;
+ case 8:
+ default:
+ return PANEL_8BIT_PER_COLOR;
+ case 10:
+ return PANEL_10BIT_PER_COLOR;
+ case 12:
+ return PANEL_12BIT_PER_COLOR;
+ case 16:
+ return PANEL_16BIT_PER_COLOR;
+ }
+}
+
+
union dvo_encoder_control {
ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION ext_tmds;
DVO_ENCODER_CONTROL_PS_ALLOCATION dvo;
return ATOM_ENCODER_MODE_DP;
/* DVO is always DVO */
- if (radeon_encoder->encoder_id == ATOM_ENCODER_MODE_DVO)
+ if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DVO1) ||
+ (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
return ATOM_ENCODER_MODE_DVO;
connector = radeon_get_connector_for_encoder(encoder);
int dp_clock = 0;
int dp_lane_count = 0;
int hpd_id = RADEON_HPD_NONE;
- int bpc = 8;
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
dp_clock = dig_connector->dp_clock;
dp_lane_count = dig_connector->dp_lane_count;
hpd_id = radeon_connector->hpd.hpd;
- bpc = radeon_get_monitor_bpc(connector);
}
/* no dig encoder assigned */
else
args.v3.ucEncoderMode = atombios_get_encoder_mode(encoder);
- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode))
+ if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode))
args.v3.ucLaneNum = dp_lane_count;
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v3.ucLaneNum = 8;
else
args.v3.ucLaneNum = 4;
- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
+ if (ENCODER_MODE_IS_DP(args.v3.ucEncoderMode) && (dp_clock == 270000))
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V3_DPLINKRATE_2_70GHZ;
args.v3.acConfig.ucDigSel = dig->dig_encoder;
- switch (bpc) {
- case 0:
- args.v3.ucBitPerColor = PANEL_BPC_UNDEFINE;
- break;
- case 6:
- args.v3.ucBitPerColor = PANEL_6BIT_PER_COLOR;
- break;
- case 8:
- default:
- args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
- break;
- case 10:
- args.v3.ucBitPerColor = PANEL_10BIT_PER_COLOR;
- break;
- case 12:
- args.v3.ucBitPerColor = PANEL_12BIT_PER_COLOR;
- break;
- case 16:
- args.v3.ucBitPerColor = PANEL_16BIT_PER_COLOR;
- break;
- }
+ args.v3.ucBitPerColor = radeon_atom_get_bpc(encoder);
break;
case 4:
args.v4.ucAction = action;
else
args.v4.ucEncoderMode = atombios_get_encoder_mode(encoder);
- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode))
+ if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode))
args.v4.ucLaneNum = dp_lane_count;
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v4.ucLaneNum = 8;
else
args.v4.ucLaneNum = 4;
- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode)) {
+ if (ENCODER_MODE_IS_DP(args.v4.ucEncoderMode)) {
if (dp_clock == 270000)
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_2_70GHZ;
else if (dp_clock == 540000)
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_V4_DPLINKRATE_5_40GHZ;
}
args.v4.acConfig.ucDigSel = dig->dig_encoder;
- switch (bpc) {
- case 0:
- args.v4.ucBitPerColor = PANEL_BPC_UNDEFINE;
- break;
- case 6:
- args.v4.ucBitPerColor = PANEL_6BIT_PER_COLOR;
- break;
- case 8:
- default:
- args.v4.ucBitPerColor = PANEL_8BIT_PER_COLOR;
- break;
- case 10:
- args.v4.ucBitPerColor = PANEL_10BIT_PER_COLOR;
- break;
- case 12:
- args.v4.ucBitPerColor = PANEL_12BIT_PER_COLOR;
- break;
- case 16:
- args.v4.ucBitPerColor = PANEL_16BIT_PER_COLOR;
- break;
- }
+ args.v4.ucBitPerColor = radeon_atom_get_bpc(encoder);
if (hpd_id == RADEON_HPD_NONE)
args.v4.ucHPD_ID = 0;
else
args.v1.asMode.ucLaneSet = lane_set;
} else {
if (is_dp)
- args.v1.usPixelClock =
- cpu_to_le16(dp_clock / 10);
+ args.v1.usPixelClock = cpu_to_le16(dp_clock / 10);
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v1.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
else
args.v2.asMode.ucLaneSet = lane_set;
} else {
if (is_dp)
- args.v2.usPixelClock =
- cpu_to_le16(dp_clock / 10);
+ args.v2.usPixelClock = cpu_to_le16(dp_clock / 10);
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v2.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
else
args.v3.asMode.ucLaneSet = lane_set;
} else {
if (is_dp)
- args.v3.usPixelClock =
- cpu_to_le16(dp_clock / 10);
+ args.v3.usPixelClock = cpu_to_le16(dp_clock / 10);
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v3.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
else
args.v4.asMode.ucLaneSet = lane_set;
} else {
if (is_dp)
- args.v4.usPixelClock =
- cpu_to_le16(dp_clock / 10);
+ args.v4.usPixelClock = cpu_to_le16(dp_clock / 10);
else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
args.v4.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10);
else
int dp_lane_count = 0;
int connector_object_id = 0;
u32 ext_enum = (ext_radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
- int bpc = 8;
if (action == EXTERNAL_ENCODER_ACTION_V3_ENCODER_INIT)
connector = radeon_get_connector_for_encoder_init(encoder);
dp_lane_count = dig_connector->dp_lane_count;
connector_object_id =
(radeon_connector->connector_object_id & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
- bpc = radeon_get_monitor_bpc(connector);
}
memset(&args, 0, sizeof(args));
args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_ENCODER3;
break;
}
- switch (bpc) {
- case 0:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_BPC_UNDEFINE;
- break;
- case 6:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_6BIT_PER_COLOR;
- break;
- case 8:
- default:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_8BIT_PER_COLOR;
- break;
- case 10:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_10BIT_PER_COLOR;
- break;
- case 12:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_12BIT_PER_COLOR;
- break;
- case 16:
- args.v3.sExtEncoder.ucBitPerColor = PANEL_16BIT_PER_COLOR;
- break;
- }
+ args.v3.sExtEncoder.ucBitPerColor = radeon_atom_get_bpc(encoder);
break;
default:
DRM_ERROR("Unknown table version: %d, %d\n", frev, crev);
void radeon_enc_destroy(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ radeon_atom_backlight_exit(radeon_encoder);
kfree(radeon_encoder->enc_priv);
drm_encoder_cleanup(encoder);
kfree(radeon_encoder);
.destroy = radeon_enc_destroy,
};
-struct radeon_encoder_atom_dac *
+static struct radeon_encoder_atom_dac *
radeon_atombios_set_dac_info(struct radeon_encoder *radeon_encoder)
{
struct drm_device *dev = radeon_encoder->base.dev;
return dac;
}
-struct radeon_encoder_atom_dig *
+static struct radeon_encoder_atom_dig *
radeon_atombios_set_dig_info(struct radeon_encoder *radeon_encoder)
{
int encoder_enum = (radeon_encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
projects / cascardo / linux.git / blobdiff