- 根目录:
- drivers
- gpu
- drm
- radeon
- evergreen_hdmi.c
/*
* 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 "radeon_audio.h"
#include "evergreend.h"
#include "atom.h"
/* enable the audio stream */
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);
}
void evergreen_hdmi_update_acr(struct drm_encoder *encoder, long offset,
const struct radeon_hdmi_acr *acr)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
int bpc = 8;
if (encoder->crtc) {
struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
bpc = radeon_crtc->bpc;
}
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 */
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);
}
void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
struct drm_connector *connector, struct drm_display_mode *mode)
{
struct radeon_device *rdev = encoder->dev->dev_private;
u32 tmp = 0;
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_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp);
}
void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
u8 *sadb, int sad_count)
{
struct radeon_device *rdev = encoder->dev->dev_private;
u32 tmp;
/* program the speaker allocation */
tmp = RREG32_ENDPOINT(0, 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_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
}
void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
u8 *sadb, int sad_count)
{
struct radeon_device *rdev = encoder->dev->dev_private;
u32 tmp;
/* program the speaker allocation */
tmp = RREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK);
/* set DP mode */
tmp |= DP_CONNECTION;
if (sad_count)
tmp |= SPEAKER_ALLOCATION(sadb[0]);
else
tmp |= SPEAKER_ALLOCATION(5); /* stereo */
WREG32_ENDPOINT(0, AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
}
void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
struct cea_sad *sads, int sad_count)
{
int i;
struct radeon_device *rdev = encoder->dev->dev_private;
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 },
};
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_ENDPOINT(0, eld_reg_to_type[i][0], value);
}
}
/*
* build a AVI Info Frame
*/
void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
unsigned char *buffer, size_t size)
{
uint8_t *frame = buffer + 3;
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) | (buffer[1] << 24));
WREG32_P(HDMI_INFOFRAME_CONTROL1 + offset,
HDMI_AVI_INFO_LINE(2), /* anything other than 0 */
~HDMI_AVI_INFO_LINE_MASK);
}
void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
struct radeon_crtc *crtc, unsigned int clock)
{
unsigned int max_ratio = clock / 24000;
u32 dto_phase;
u32 wallclock_ratio;
u32 value;
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;
}
value = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
value |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
value &= ~DCCG_AUDIO_DTO1_USE_512FBR_DTO;
WREG32(DCCG_AUDIO_DTO0_CNTL, value);
/* Two dtos; generally use dto0 for HDMI */
value = 0;
if (crtc)
value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
WREG32(DCCG_AUDIO_DTO_SOURCE, value);
/* 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_DTO0_PHASE, dto_phase);
WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
}
void dce4_dp_audio_set_dto(struct radeon_device *rdev,
struct radeon_crtc *crtc, unsigned int clock)
{
u32 value;
value = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
value |= DCCG_AUDIO_DTO1_USE_512FBR_DTO;
WREG32(DCCG_AUDIO_DTO1_CNTL, value);
/* Two dtos; generally use dto1 for DP */
value = 0;
value |= DCCG_AUDIO_DTO_SEL;
if (crtc)
value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
WREG32(DCCG_AUDIO_DTO_SOURCE, value);
/* 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_DTO1_PHASE, 24000);
WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
}
void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
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 */
}
void dce4_hdmi_set_color_depth(struct drm_encoder *encoder, u32 offset, int bpc)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
uint32_t val;
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);
}
void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
WREG32(AFMT_INFOFRAME_CONTROL0 + offset,
AFMT_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */
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));
WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset,
AFMT_AUDIO_CHANNEL_ENABLE(0xff));
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 */
/* allow 60958 channel status and send audio packets fields to be updated */
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + offset,
AFMT_RESET_FIFO_WHEN_AUDIO_DIS | AFMT_60958_CS_UPDATE);
}
void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
if (mute)
WREG32_OR(HDMI_GC + offset, HDMI_GC_AVMUTE);
else
WREG32_AND(HDMI_GC + offset, ~HDMI_GC_AVMUTE);
}
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;
if (enable) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (connector && drm_detect_monitor_audio(radeon_connector_edid(connector))) {
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT | /* required for audio info values to be updated */
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_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
AFMT_AUDIO_SAMPLE_SEND);
} else {
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
}
} else {
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, 0);
}
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);
}
void evergreen_dp_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;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (!dig || !dig->afmt)
return;
if (enable && connector &&
drm_detect_monitor_audio(radeon_connector_edid(connector))) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector;
uint32_t val;
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
AFMT_AUDIO_SAMPLE_SEND);
WREG32(EVERGREEN_DP_SEC_TIMESTAMP + dig->afmt->offset,
EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
if (!ASIC_IS_DCE6(rdev) && radeon_connector->con_priv) {
dig_connector = radeon_connector->con_priv;
val = RREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset);
val &= ~EVERGREEN_DP_SEC_N_BASE_MULTIPLE(0xf);
if (dig_connector->dp_clock == 162000)
val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(3);
else
val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(5);
WREG32(EVERGREEN_DP_SEC_AUD_N + dig->afmt->offset, val);
}
WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset,
EVERGREEN_DP_SEC_ASP_ENABLE | /* Audio packet transmission */
EVERGREEN_DP_SEC_ATP_ENABLE | /* Audio timestamp packet transmission */
EVERGREEN_DP_SEC_AIP_ENABLE | /* Audio infoframe packet transmission */
EVERGREEN_DP_SEC_STREAM_ENABLE); /* Master enable for secondary stream engine */
} else {
WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset, 0);
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
}
dig->afmt->enabled = enable;
}