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	Fixed MTP to work with TWRP
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								drivers/gpu/drm/radeon/evergreen_hdmi.c
									
										
									
									
									
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										530
									
								
								drivers/gpu/drm/radeon/evergreen_hdmi.c
									
										
									
									
									
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							|  | @ -0,0 +1,530 @@ | |||
| /*
 | ||||
|  * Copyright 2008 Advanced Micro Devices, Inc. | ||||
|  * Copyright 2008 Red Hat Inc. | ||||
|  * Copyright 2009 Christian König. | ||||
|  * | ||||
|  * Permission is hereby granted, free of charge, to any person obtaining a | ||||
|  * copy of this software and associated documentation files (the "Software"), | ||||
|  * to deal in the Software without restriction, including without limitation | ||||
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||||
|  * and/or sell copies of the Software, and to permit persons to whom the | ||||
|  * Software is furnished to do so, subject to the following conditions: | ||||
|  * | ||||
|  * The above copyright notice and this permission notice shall be included in | ||||
|  * all copies or substantial portions of the Software. | ||||
|  * | ||||
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||||
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||||
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | ||||
|  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | ||||
|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | ||||
|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||||
|  * OTHER DEALINGS IN THE SOFTWARE. | ||||
|  * | ||||
|  * Authors: Christian König | ||||
|  *          Rafał Miłecki | ||||
|  */ | ||||
| #include <linux/hdmi.h> | ||||
| #include <drm/drmP.h> | ||||
| #include <drm/radeon_drm.h> | ||||
| #include "radeon.h" | ||||
| #include "radeon_asic.h" | ||||
| #include "evergreend.h" | ||||
| #include "atom.h" | ||||
| 
 | ||||
| extern void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder); | ||||
| extern void dce6_afmt_write_sad_regs(struct drm_encoder *encoder); | ||||
| extern void dce6_afmt_select_pin(struct drm_encoder *encoder); | ||||
| extern void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, | ||||
| 					   struct drm_display_mode *mode); | ||||
| 
 | ||||
| /* enable the audio stream */ | ||||
| static void dce4_audio_enable(struct radeon_device *rdev, | ||||
| 			      struct r600_audio_pin *pin, | ||||
| 			      u8 enable_mask) | ||||
| { | ||||
| 	u32 tmp = RREG32(AZ_HOT_PLUG_CONTROL); | ||||
| 
 | ||||
| 	if (!pin) | ||||
| 		return; | ||||
| 
 | ||||
| 	if (enable_mask) { | ||||
| 		tmp |= AUDIO_ENABLED; | ||||
| 		if (enable_mask & 1) | ||||
| 			tmp |= PIN0_AUDIO_ENABLED; | ||||
| 		if (enable_mask & 2) | ||||
| 			tmp |= PIN1_AUDIO_ENABLED; | ||||
| 		if (enable_mask & 4) | ||||
| 			tmp |= PIN2_AUDIO_ENABLED; | ||||
| 		if (enable_mask & 8) | ||||
| 			tmp |= PIN3_AUDIO_ENABLED; | ||||
| 	} else { | ||||
| 		tmp &= ~(AUDIO_ENABLED | | ||||
| 			 PIN0_AUDIO_ENABLED | | ||||
| 			 PIN1_AUDIO_ENABLED | | ||||
| 			 PIN2_AUDIO_ENABLED | | ||||
| 			 PIN3_AUDIO_ENABLED); | ||||
| 	} | ||||
| 
 | ||||
| 	WREG32(AZ_HOT_PLUG_CONTROL, tmp); | ||||
| } | ||||
| 
 | ||||
| /*
 | ||||
|  * update the N and CTS parameters for a given pixel clock rate | ||||
|  */ | ||||
| static void evergreen_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock) | ||||
| { | ||||
| 	struct drm_device *dev = encoder->dev; | ||||
| 	struct radeon_device *rdev = dev->dev_private; | ||||
| 	struct radeon_hdmi_acr acr = r600_hdmi_acr(clock); | ||||
| 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | ||||
| 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | ||||
| 	uint32_t offset = dig->afmt->offset; | ||||
| 
 | ||||
| 	WREG32(HDMI_ACR_32_0 + offset, HDMI_ACR_CTS_32(acr.cts_32khz)); | ||||
| 	WREG32(HDMI_ACR_32_1 + offset, acr.n_32khz); | ||||
| 
 | ||||
| 	WREG32(HDMI_ACR_44_0 + offset, HDMI_ACR_CTS_44(acr.cts_44_1khz)); | ||||
| 	WREG32(HDMI_ACR_44_1 + offset, acr.n_44_1khz); | ||||
| 
 | ||||
| 	WREG32(HDMI_ACR_48_0 + offset, HDMI_ACR_CTS_48(acr.cts_48khz)); | ||||
| 	WREG32(HDMI_ACR_48_1 + offset, acr.n_48khz); | ||||
| } | ||||
| 
 | ||||
| static void dce4_afmt_write_latency_fields(struct drm_encoder *encoder, | ||||
| 					   struct drm_display_mode *mode) | ||||
| { | ||||
| 	struct radeon_device *rdev = encoder->dev->dev_private; | ||||
| 	struct drm_connector *connector; | ||||
| 	struct radeon_connector *radeon_connector = NULL; | ||||
| 	u32 tmp = 0; | ||||
| 
 | ||||
| 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { | ||||
| 		if (connector->encoder == encoder) { | ||||
| 			radeon_connector = to_radeon_connector(connector); | ||||
| 			break; | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	if (!radeon_connector) { | ||||
| 		DRM_ERROR("Couldn't find encoder's connector\n"); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) { | ||||
| 		if (connector->latency_present[1]) | ||||
| 			tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | | ||||
| 				AUDIO_LIPSYNC(connector->audio_latency[1]); | ||||
| 		else | ||||
| 			tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); | ||||
| 	} else { | ||||
| 		if (connector->latency_present[0]) | ||||
| 			tmp = VIDEO_LIPSYNC(connector->video_latency[0]) | | ||||
| 				AUDIO_LIPSYNC(connector->audio_latency[0]); | ||||
| 		else | ||||
| 			tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255); | ||||
| 	} | ||||
| 	WREG32(AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp); | ||||
| } | ||||
| 
 | ||||
| static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder) | ||||
| { | ||||
| 	struct radeon_device *rdev = encoder->dev->dev_private; | ||||
| 	struct drm_connector *connector; | ||||
| 	struct radeon_connector *radeon_connector = NULL; | ||||
| 	u32 tmp; | ||||
| 	u8 *sadb = NULL; | ||||
| 	int sad_count; | ||||
| 
 | ||||
| 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { | ||||
| 		if (connector->encoder == encoder) { | ||||
| 			radeon_connector = to_radeon_connector(connector); | ||||
| 			break; | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	if (!radeon_connector) { | ||||
| 		DRM_ERROR("Couldn't find encoder's connector\n"); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb); | ||||
| 	if (sad_count < 0) { | ||||
| 		DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); | ||||
| 		sad_count = 0; | ||||
| 	} | ||||
| 
 | ||||
| 	/* program the speaker allocation */ | ||||
| 	tmp = RREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER); | ||||
| 	tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); | ||||
| 	/* set HDMI mode */ | ||||
| 	tmp |= HDMI_CONNECTION; | ||||
| 	if (sad_count) | ||||
| 		tmp |= SPEAKER_ALLOCATION(sadb[0]); | ||||
| 	else | ||||
| 		tmp |= SPEAKER_ALLOCATION(5); /* stereo */ | ||||
| 	WREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp); | ||||
| 
 | ||||
| 	kfree(sadb); | ||||
| } | ||||
| 
 | ||||
| static void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder) | ||||
| { | ||||
| 	struct radeon_device *rdev = encoder->dev->dev_private; | ||||
| 	struct drm_connector *connector; | ||||
| 	struct radeon_connector *radeon_connector = NULL; | ||||
| 	struct cea_sad *sads; | ||||
| 	int i, sad_count; | ||||
| 
 | ||||
| 	static const u16 eld_reg_to_type[][2] = { | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP }, | ||||
| 		{ AZ_F0_CODEC_PIN0_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, | ||||
| 	}; | ||||
| 
 | ||||
| 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { | ||||
| 		if (connector->encoder == encoder) { | ||||
| 			radeon_connector = to_radeon_connector(connector); | ||||
| 			break; | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	if (!radeon_connector) { | ||||
| 		DRM_ERROR("Couldn't find encoder's connector\n"); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); | ||||
| 	if (sad_count <= 0) { | ||||
| 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count); | ||||
| 		return; | ||||
| 	} | ||||
| 	BUG_ON(!sads); | ||||
| 
 | ||||
| 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { | ||||
| 		u32 value = 0; | ||||
| 		u8 stereo_freqs = 0; | ||||
| 		int max_channels = -1; | ||||
| 		int j; | ||||
| 
 | ||||
| 		for (j = 0; j < sad_count; j++) { | ||||
| 			struct cea_sad *sad = &sads[j]; | ||||
| 
 | ||||
| 			if (sad->format == eld_reg_to_type[i][1]) { | ||||
| 				if (sad->channels > max_channels) { | ||||
| 					value = MAX_CHANNELS(sad->channels) | | ||||
| 						DESCRIPTOR_BYTE_2(sad->byte2) | | ||||
| 						SUPPORTED_FREQUENCIES(sad->freq); | ||||
| 					max_channels = sad->channels; | ||||
| 				} | ||||
| 
 | ||||
| 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) | ||||
| 					stereo_freqs |= sad->freq; | ||||
| 				else | ||||
| 					break; | ||||
| 			} | ||||
| 		} | ||||
| 
 | ||||
| 		value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); | ||||
| 
 | ||||
| 		WREG32(eld_reg_to_type[i][0], value); | ||||
| 	} | ||||
| 
 | ||||
| 	kfree(sads); | ||||
| } | ||||
| 
 | ||||
| /*
 | ||||
|  * build a HDMI Video Info Frame | ||||
|  */ | ||||
| static void evergreen_hdmi_update_avi_infoframe(struct drm_encoder *encoder, | ||||
| 						void *buffer, size_t size) | ||||
| { | ||||
| 	struct drm_device *dev = encoder->dev; | ||||
| 	struct radeon_device *rdev = dev->dev_private; | ||||
| 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | ||||
| 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | ||||
| 	uint32_t offset = dig->afmt->offset; | ||||
| 	uint8_t *frame = buffer + 3; | ||||
| 	uint8_t *header = buffer; | ||||
| 
 | ||||
| 	WREG32(AFMT_AVI_INFO0 + offset, | ||||
| 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); | ||||
| 	WREG32(AFMT_AVI_INFO1 + offset, | ||||
| 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24)); | ||||
| 	WREG32(AFMT_AVI_INFO2 + offset, | ||||
| 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); | ||||
| 	WREG32(AFMT_AVI_INFO3 + offset, | ||||
| 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); | ||||
| } | ||||
| 
 | ||||
| static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock) | ||||
| { | ||||
| 	struct drm_device *dev = encoder->dev; | ||||
| 	struct radeon_device *rdev = dev->dev_private; | ||||
| 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | ||||
| 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | ||||
| 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); | ||||
| 	u32 base_rate = 24000; | ||||
| 	u32 max_ratio = clock / base_rate; | ||||
| 	u32 dto_phase; | ||||
| 	u32 dto_modulo = clock; | ||||
| 	u32 wallclock_ratio; | ||||
| 	u32 dto_cntl; | ||||
| 
 | ||||
| 	if (!dig || !dig->afmt) | ||||
| 		return; | ||||
| 
 | ||||
| 	if (ASIC_IS_DCE6(rdev)) { | ||||
| 		dto_phase = 24 * 1000; | ||||
| 	} else { | ||||
| 		if (max_ratio >= 8) { | ||||
| 			dto_phase = 192 * 1000; | ||||
| 			wallclock_ratio = 3; | ||||
| 		} else if (max_ratio >= 4) { | ||||
| 			dto_phase = 96 * 1000; | ||||
| 			wallclock_ratio = 2; | ||||
| 		} else if (max_ratio >= 2) { | ||||
| 			dto_phase = 48 * 1000; | ||||
| 			wallclock_ratio = 1; | ||||
| 		} else { | ||||
| 			dto_phase = 24 * 1000; | ||||
| 			wallclock_ratio = 0; | ||||
| 		} | ||||
| 		dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; | ||||
| 		dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); | ||||
| 		WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl); | ||||
| 	} | ||||
| 
 | ||||
| 	/* XXX two dtos; generally use dto0 for hdmi */ | ||||
| 	/* Express [24MHz / target pixel clock] as an exact rational
 | ||||
| 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE | ||||
| 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator | ||||
| 	 */ | ||||
| 	WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id)); | ||||
| 	WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); | ||||
| 	WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo); | ||||
| } | ||||
| 
 | ||||
| 
 | ||||
| /*
 | ||||
|  * update the info frames with the data from the current display mode | ||||
|  */ | ||||
| void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode) | ||||
| { | ||||
| 	struct drm_device *dev = encoder->dev; | ||||
| 	struct radeon_device *rdev = dev->dev_private; | ||||
| 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | ||||
| 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | ||||
| 	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); | ||||
| 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; | ||||
| 	struct hdmi_avi_infoframe frame; | ||||
| 	uint32_t offset; | ||||
| 	ssize_t err; | ||||
| 	uint32_t val; | ||||
| 	int bpc = 8; | ||||
| 
 | ||||
| 	if (!dig || !dig->afmt) | ||||
| 		return; | ||||
| 
 | ||||
| 	/* Silent, r600_hdmi_enable will raise WARN for us */ | ||||
| 	if (!dig->afmt->enabled) | ||||
| 		return; | ||||
| 	offset = dig->afmt->offset; | ||||
| 
 | ||||
| 	/* hdmi deep color mode general control packets setup, if bpc > 8 */ | ||||
| 	if (encoder->crtc) { | ||||
| 		struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); | ||||
| 		bpc = radeon_crtc->bpc; | ||||
| 	} | ||||
| 
 | ||||
| 	/* disable audio prior to setting up hw */ | ||||
| 	if (ASIC_IS_DCE6(rdev)) { | ||||
| 		dig->afmt->pin = dce6_audio_get_pin(rdev); | ||||
| 		dce6_audio_enable(rdev, dig->afmt->pin, 0); | ||||
| 	} else { | ||||
| 		dig->afmt->pin = r600_audio_get_pin(rdev); | ||||
| 		dce4_audio_enable(rdev, dig->afmt->pin, 0); | ||||
| 	} | ||||
| 
 | ||||
| 	evergreen_audio_set_dto(encoder, mode->clock); | ||||
| 
 | ||||
| 	WREG32(HDMI_VBI_PACKET_CONTROL + offset, | ||||
| 	       HDMI_NULL_SEND); /* send null packets when required */ | ||||
| 
 | ||||
| 	WREG32(AFMT_AUDIO_CRC_CONTROL + offset, 0x1000); | ||||
| 
 | ||||
| 	val = RREG32(HDMI_CONTROL + offset); | ||||
| 	val &= ~HDMI_DEEP_COLOR_ENABLE; | ||||
| 	val &= ~HDMI_DEEP_COLOR_DEPTH_MASK; | ||||
| 
 | ||||
| 	switch (bpc) { | ||||
| 		case 0: | ||||
| 		case 6: | ||||
| 		case 8: | ||||
| 		case 16: | ||||
| 		default: | ||||
| 			DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n", | ||||
| 					 connector->name, bpc); | ||||
| 			break; | ||||
| 		case 10: | ||||
| 			val |= HDMI_DEEP_COLOR_ENABLE; | ||||
| 			val |= HDMI_DEEP_COLOR_DEPTH(HDMI_30BIT_DEEP_COLOR); | ||||
| 			DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n", | ||||
| 					 connector->name); | ||||
| 			break; | ||||
| 		case 12: | ||||
| 			val |= HDMI_DEEP_COLOR_ENABLE; | ||||
| 			val |= HDMI_DEEP_COLOR_DEPTH(HDMI_36BIT_DEEP_COLOR); | ||||
| 			DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n", | ||||
| 					 connector->name); | ||||
| 			break; | ||||
| 	} | ||||
| 
 | ||||
| 	WREG32(HDMI_CONTROL + offset, val); | ||||
| 
 | ||||
| 	WREG32(HDMI_VBI_PACKET_CONTROL + offset, | ||||
| 	       HDMI_NULL_SEND | /* send null packets when required */ | ||||
| 	       HDMI_GC_SEND | /* send general control packets */ | ||||
| 	       HDMI_GC_CONT); /* send general control packets every frame */ | ||||
| 
 | ||||
| 	WREG32(HDMI_INFOFRAME_CONTROL0 + offset, | ||||
| 	       HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ | ||||
| 	       HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */ | ||||
| 
 | ||||
| 	WREG32(AFMT_INFOFRAME_CONTROL0 + offset, | ||||
| 	       AFMT_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */ | ||||
| 
 | ||||
| 	WREG32(HDMI_INFOFRAME_CONTROL1 + offset, | ||||
| 	       HDMI_AUDIO_INFO_LINE(2)); /* anything other than 0 */ | ||||
| 
 | ||||
| 	WREG32(HDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */ | ||||
| 
 | ||||
| 	WREG32(HDMI_AUDIO_PACKET_CONTROL + offset, | ||||
| 	       HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */ | ||||
| 	       HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */ | ||||
| 
 | ||||
| 	WREG32(AFMT_AUDIO_PACKET_CONTROL + offset, | ||||
| 	       AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ | ||||
| 
 | ||||
| 	/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */ | ||||
| 
 | ||||
| 	if (bpc > 8) | ||||
| 		WREG32(HDMI_ACR_PACKET_CONTROL + offset, | ||||
| 		       HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ | ||||
| 	else | ||||
| 		WREG32(HDMI_ACR_PACKET_CONTROL + offset, | ||||
| 		       HDMI_ACR_SOURCE | /* select SW CTS value */ | ||||
| 		       HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ | ||||
| 
 | ||||
| 	evergreen_hdmi_update_ACR(encoder, mode->clock); | ||||
| 
 | ||||
| 	WREG32(AFMT_60958_0 + offset, | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_L(1)); | ||||
| 
 | ||||
| 	WREG32(AFMT_60958_1 + offset, | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_R(2)); | ||||
| 
 | ||||
| 	WREG32(AFMT_60958_2 + offset, | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_2(3) | | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_3(4) | | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_4(5) | | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_5(6) | | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_6(7) | | ||||
| 	       AFMT_60958_CS_CHANNEL_NUMBER_7(8)); | ||||
| 
 | ||||
| 	if (ASIC_IS_DCE6(rdev)) { | ||||
| 		dce6_afmt_write_speaker_allocation(encoder); | ||||
| 	} else { | ||||
| 		dce4_afmt_write_speaker_allocation(encoder); | ||||
| 	} | ||||
| 
 | ||||
| 	WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset, | ||||
| 	       AFMT_AUDIO_CHANNEL_ENABLE(0xff)); | ||||
| 
 | ||||
| 	/* fglrx sets 0x40 in 0x5f80 here */ | ||||
| 
 | ||||
| 	if (ASIC_IS_DCE6(rdev)) { | ||||
| 		dce6_afmt_select_pin(encoder); | ||||
| 		dce6_afmt_write_sad_regs(encoder); | ||||
| 		dce6_afmt_write_latency_fields(encoder, mode); | ||||
| 	} else { | ||||
| 		evergreen_hdmi_write_sad_regs(encoder); | ||||
| 		dce4_afmt_write_latency_fields(encoder, mode); | ||||
| 	} | ||||
| 
 | ||||
| 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); | ||||
| 	if (err < 0) { | ||||
| 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); | ||||
| 	if (err < 0) { | ||||
| 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err); | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	evergreen_hdmi_update_avi_infoframe(encoder, buffer, sizeof(buffer)); | ||||
| 
 | ||||
| 	WREG32_OR(HDMI_INFOFRAME_CONTROL0 + offset, | ||||
| 		  HDMI_AVI_INFO_SEND | /* enable AVI info frames */ | ||||
| 		  HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */ | ||||
| 
 | ||||
| 	WREG32_P(HDMI_INFOFRAME_CONTROL1 + offset, | ||||
| 		 HDMI_AVI_INFO_LINE(2), /* anything other than 0 */ | ||||
| 		 ~HDMI_AVI_INFO_LINE_MASK); | ||||
| 
 | ||||
| 	WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + offset, | ||||
| 		  AFMT_AUDIO_SAMPLE_SEND); /* send audio packets */ | ||||
| 
 | ||||
| 	/* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ | ||||
| 	WREG32(AFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF); | ||||
| 	WREG32(AFMT_RAMP_CONTROL1 + offset, 0x007FFFFF); | ||||
| 	WREG32(AFMT_RAMP_CONTROL2 + offset, 0x00000001); | ||||
| 	WREG32(AFMT_RAMP_CONTROL3 + offset, 0x00000001); | ||||
| 
 | ||||
| 	/* enable audio after to setting up hw */ | ||||
| 	if (ASIC_IS_DCE6(rdev)) | ||||
| 		dce6_audio_enable(rdev, dig->afmt->pin, 1); | ||||
| 	else | ||||
| 		dce4_audio_enable(rdev, dig->afmt->pin, 0xf); | ||||
| } | ||||
| 
 | ||||
| void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable) | ||||
| { | ||||
| 	struct drm_device *dev = encoder->dev; | ||||
| 	struct radeon_device *rdev = dev->dev_private; | ||||
| 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | ||||
| 	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | ||||
| 
 | ||||
| 	if (!dig || !dig->afmt) | ||||
| 		return; | ||||
| 
 | ||||
| 	/* Silent, r600_hdmi_enable will raise WARN for us */ | ||||
| 	if (enable && dig->afmt->enabled) | ||||
| 		return; | ||||
| 	if (!enable && !dig->afmt->enabled) | ||||
| 		return; | ||||
| 
 | ||||
| 	if (!enable && dig->afmt->pin) { | ||||
| 		if (ASIC_IS_DCE6(rdev)) | ||||
| 			dce6_audio_enable(rdev, dig->afmt->pin, 0); | ||||
| 		else | ||||
| 			dce4_audio_enable(rdev, dig->afmt->pin, 0); | ||||
| 		dig->afmt->pin = NULL; | ||||
| 	} | ||||
| 
 | ||||
| 	dig->afmt->enabled = enable; | ||||
| 
 | ||||
| 	DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n", | ||||
| 		  enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id); | ||||
| } | ||||
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