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path: root/drivers/gpu/drm/amd/display/dc/bios/command_table.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/command_table.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/command_table.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
index 58e88778da7f..22457f417e65 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
@@ -52,7 +52,9 @@ static void init_transmitter_control(struct bios_parser *bp);
static void init_set_pixel_clock(struct bios_parser *bp);
static void init_enable_spread_spectrum_on_ppll(struct bios_parser *bp);
static void init_adjust_display_pll(struct bios_parser *bp);
+static void init_select_crtc_source(struct bios_parser *bp);
static void init_dac_encoder_control(struct bios_parser *bp);
+static void init_dac_load_detection(struct bios_parser *bp);
static void init_dac_output_control(struct bios_parser *bp);
static void init_set_crtc_timing(struct bios_parser *bp);
static void init_enable_crtc(struct bios_parser *bp);
@@ -69,7 +71,9 @@ void dal_bios_parser_init_cmd_tbl(struct bios_parser *bp)
init_set_pixel_clock(bp);
init_enable_spread_spectrum_on_ppll(bp);
init_adjust_display_pll(bp);
+ init_select_crtc_source(bp);
init_dac_encoder_control(bp);
+ init_dac_load_detection(bp);
init_dac_output_control(bp);
init_set_crtc_timing(bp);
init_enable_crtc(bp);
@@ -1612,6 +1616,198 @@ static enum bp_result adjust_display_pll_v3(
/*******************************************************************************
********************************************************************************
**
+ ** SELECT CRTC SOURCE
+ **
+ ********************************************************************************
+ *******************************************************************************/
+
+static enum bp_result select_crtc_source_v1(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params);
+static enum bp_result select_crtc_source_v2(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params);
+static enum bp_result select_crtc_source_v3(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params);
+
+static void init_select_crtc_source(struct bios_parser *bp)
+{
+ switch (BIOS_CMD_TABLE_PARA_REVISION(SelectCRTC_Source)) {
+ case 1:
+ bp->cmd_tbl.select_crtc_source = select_crtc_source_v1;
+ break;
+ case 2:
+ bp->cmd_tbl.select_crtc_source = select_crtc_source_v2;
+ break;
+ case 3:
+ bp->cmd_tbl.select_crtc_source = select_crtc_source_v3;
+ break;
+ default:
+ bp->cmd_tbl.select_crtc_source = NULL;
+ break;
+ }
+}
+
+static enum bp_result select_crtc_source_v1(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params)
+{
+ enum bp_result result = BP_RESULT_FAILURE;
+ SELECT_CRTC_SOURCE_PS_ALLOCATION params;
+
+ if (!bp->cmd_helper->controller_id_to_atom(bp_params->controller_id, &params.ucCRTC))
+ return BP_RESULT_BADINPUT;
+
+ switch (bp_params->engine_id) {
+ case ENGINE_ID_DACA:
+ params.ucDevice = ATOM_DEVICE_CRT1_INDEX;
+ break;
+ case ENGINE_ID_DACB:
+ params.ucDevice = ATOM_DEVICE_CRT2_INDEX;
+ break;
+ default:
+ return BP_RESULT_BADINPUT;
+ }
+
+ if (EXEC_BIOS_CMD_TABLE(SelectCRTC_Source, params))
+ result = BP_RESULT_OK;
+
+ return result;
+}
+
+static bool select_crtc_source_v2_encoder_id(
+ enum engine_id engine_id, uint8_t *out_encoder_id)
+{
+ uint8_t encoder_id = 0;
+
+ switch (engine_id) {
+ case ENGINE_ID_DIGA:
+ encoder_id = ASIC_INT_DIG1_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGB:
+ encoder_id = ASIC_INT_DIG2_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGC:
+ encoder_id = ASIC_INT_DIG3_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGD:
+ encoder_id = ASIC_INT_DIG4_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGE:
+ encoder_id = ASIC_INT_DIG5_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGF:
+ encoder_id = ASIC_INT_DIG6_ENCODER_ID;
+ break;
+ case ENGINE_ID_DIGG:
+ encoder_id = ASIC_INT_DIG7_ENCODER_ID;
+ break;
+ case ENGINE_ID_DACA:
+ encoder_id = ASIC_INT_DAC1_ENCODER_ID;
+ break;
+ case ENGINE_ID_DACB:
+ encoder_id = ASIC_INT_DAC2_ENCODER_ID;
+ break;
+ default:
+ return false;
+ }
+
+ *out_encoder_id = encoder_id;
+ return true;
+}
+
+static bool select_crtc_source_v2_encoder_mode(
+ enum signal_type signal_type, uint8_t *out_encoder_mode)
+{
+ uint8_t encoder_mode = 0;
+
+ switch (signal_type) {
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ encoder_mode = ATOM_ENCODER_MODE_DVI;
+ break;
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ encoder_mode = ATOM_ENCODER_MODE_HDMI;
+ break;
+ case SIGNAL_TYPE_LVDS:
+ encoder_mode = ATOM_ENCODER_MODE_LVDS;
+ break;
+ case SIGNAL_TYPE_RGB:
+ encoder_mode = ATOM_ENCODER_MODE_CRT;
+ break;
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ encoder_mode = ATOM_ENCODER_MODE_DP;
+ break;
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ encoder_mode = ATOM_ENCODER_MODE_DP_MST;
+ break;
+ case SIGNAL_TYPE_EDP:
+ encoder_mode = ATOM_ENCODER_MODE_DP;
+ break;
+ default:
+ return false;
+ }
+
+ *out_encoder_mode = encoder_mode;
+ return true;
+}
+
+static enum bp_result select_crtc_source_v2(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params)
+{
+ enum bp_result result = BP_RESULT_FAILURE;
+ SELECT_CRTC_SOURCE_PARAMETERS_V3 params;
+
+ if (!bp->cmd_helper->controller_id_to_atom(bp_params->controller_id, &params.ucCRTC))
+ return BP_RESULT_BADINPUT;
+
+ if (!select_crtc_source_v2_encoder_id(
+ bp_params->engine_id,
+ &params.ucEncoderID))
+ return BP_RESULT_BADINPUT;
+ if (!select_crtc_source_v2_encoder_mode(
+ bp_params->sink_signal,
+ &params.ucEncodeMode))
+ return BP_RESULT_BADINPUT;
+
+ if (EXEC_BIOS_CMD_TABLE(SelectCRTC_Source, params))
+ result = BP_RESULT_OK;
+
+ return result;
+}
+
+static enum bp_result select_crtc_source_v3(
+ struct bios_parser *bp,
+ struct bp_crtc_source_select *bp_params)
+{
+ enum bp_result result = BP_RESULT_FAILURE;
+ SELECT_CRTC_SOURCE_PARAMETERS_V3 params;
+
+ if (!bp->cmd_helper->controller_id_to_atom(bp_params->controller_id, &params.ucCRTC))
+ return BP_RESULT_BADINPUT;
+
+ if (!select_crtc_source_v2_encoder_id(
+ bp_params->engine_id,
+ &params.ucEncoderID))
+ return BP_RESULT_BADINPUT;
+ if (!select_crtc_source_v2_encoder_mode(
+ bp_params->sink_signal,
+ &params.ucEncodeMode))
+ return BP_RESULT_BADINPUT;
+
+ params.ucDstBpc = bp_params->bit_depth;
+
+ if (EXEC_BIOS_CMD_TABLE(SelectCRTC_Source, params))
+ result = BP_RESULT_OK;
+
+ return result;
+}
+
+/*******************************************************************************
+ ********************************************************************************
+ **
** DAC ENCODER CONTROL
**
********************************************************************************
@@ -1711,6 +1907,96 @@ static enum bp_result dac2_encoder_control_v1(
/*******************************************************************************
********************************************************************************
**
+ ** DAC LOAD DETECTION
+ **
+ ********************************************************************************
+ *******************************************************************************/
+
+static enum bp_result dac_load_detection_v1(
+ struct bios_parser *bp,
+ struct bp_load_detection_parameters *bp_params);
+
+static enum bp_result dac_load_detection_v3(
+ struct bios_parser *bp,
+ struct bp_load_detection_parameters *bp_params);
+
+static void init_dac_load_detection(struct bios_parser *bp)
+{
+ switch (BIOS_CMD_TABLE_PARA_REVISION(DAC_LoadDetection)) {
+ case 1:
+ case 2:
+ bp->cmd_tbl.dac_load_detection = dac_load_detection_v1;
+ break;
+ case 3:
+ default:
+ bp->cmd_tbl.dac_load_detection = dac_load_detection_v3;
+ break;
+ }
+}
+
+static void dac_load_detect_prepare_params(
+ struct _DAC_LOAD_DETECTION_PS_ALLOCATION *params,
+ enum engine_id engine_id,
+ uint16_t device_id,
+ uint8_t misc)
+{
+ uint8_t dac_type = ENGINE_ID_DACA;
+
+ if (engine_id == ENGINE_ID_DACB)
+ dac_type = ATOM_DAC_B;
+
+ params->sDacload.usDeviceID = cpu_to_le16(device_id);
+ params->sDacload.ucDacType = dac_type;
+ params->sDacload.ucMisc = misc;
+}
+
+static enum bp_result dac_load_detection_v1(
+ struct bios_parser *bp,
+ struct bp_load_detection_parameters *bp_params)
+{
+ enum bp_result result = BP_RESULT_FAILURE;
+ DAC_LOAD_DETECTION_PS_ALLOCATION params;
+
+ dac_load_detect_prepare_params(
+ &params,
+ bp_params->engine_id,
+ bp_params->device_id,
+ 0);
+
+ if (EXEC_BIOS_CMD_TABLE(DAC_LoadDetection, params))
+ result = BP_RESULT_OK;
+
+ return result;
+}
+
+static enum bp_result dac_load_detection_v3(
+ struct bios_parser *bp,
+ struct bp_load_detection_parameters *bp_params)
+{
+ enum bp_result result = BP_RESULT_FAILURE;
+ DAC_LOAD_DETECTION_PS_ALLOCATION params;
+
+ uint8_t misc = 0;
+
+ if (bp_params->device_id == ATOM_DEVICE_CV_SUPPORT ||
+ bp_params->device_id == ATOM_DEVICE_TV1_SUPPORT)
+ misc = DAC_LOAD_MISC_YPrPb;
+
+ dac_load_detect_prepare_params(
+ &params,
+ bp_params->engine_id,
+ bp_params->device_id,
+ misc);
+
+ if (EXEC_BIOS_CMD_TABLE(DAC_LoadDetection, params))
+ result = BP_RESULT_OK;
+
+ return result;
+}
+
+/*******************************************************************************
+ ********************************************************************************
+ **
** DAC OUTPUT CONTROL
**
********************************************************************************
generated by cgit (git 2.34.1) at 2025-12-04 21:04:09 +0000