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Regard whitespace Rev 3763 → Rev 3764

/drivers/video/drm/radeon/r600_hdmi.c
23,6 → 23,7
*
* Authors: Christian König
*/
#include <linux/hdmi.h>
#include <drm/drmP.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
121,43 → 122,10
}
 
/*
* calculate the crc for a given info frame
*/
static void r600_hdmi_infoframe_checksum(uint8_t packetType,
uint8_t versionNumber,
uint8_t length,
uint8_t *frame)
{
int i;
frame[0] = packetType + versionNumber + length;
for (i = 1; i <= length; i++)
frame[0] += frame[i];
frame[0] = 0x100 - frame[0];
}
 
/*
* build a HDMI Video Info Frame
*/
static void r600_hdmi_videoinfoframe(
struct drm_encoder *encoder,
enum r600_hdmi_color_format color_format,
int active_information_present,
uint8_t active_format_aspect_ratio,
uint8_t scan_information,
uint8_t colorimetry,
uint8_t ex_colorimetry,
uint8_t quantization,
int ITC,
uint8_t picture_aspect_ratio,
uint8_t video_format_identification,
uint8_t pixel_repetition,
uint8_t non_uniform_picture_scaling,
uint8_t bar_info_data_valid,
uint16_t top_bar,
uint16_t bottom_bar,
uint16_t left_bar,
uint16_t right_bar
)
static void r600_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;
164,36 → 132,8
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 frame[14];
 
frame[0x0] = 0;
frame[0x1] =
(scan_information & 0x3) |
((bar_info_data_valid & 0x3) << 2) |
((active_information_present & 0x1) << 4) |
((color_format & 0x3) << 5);
frame[0x2] =
(active_format_aspect_ratio & 0xF) |
((picture_aspect_ratio & 0x3) << 4) |
((colorimetry & 0x3) << 6);
frame[0x3] =
(non_uniform_picture_scaling & 0x3) |
((quantization & 0x3) << 2) |
((ex_colorimetry & 0x7) << 4) |
((ITC & 0x1) << 7);
frame[0x4] = (video_format_identification & 0x7F);
frame[0x5] = (pixel_repetition & 0xF);
frame[0x6] = (top_bar & 0xFF);
frame[0x7] = (top_bar >> 8);
frame[0x8] = (bottom_bar & 0xFF);
frame[0x9] = (bottom_bar >> 8);
frame[0xA] = (left_bar & 0xFF);
frame[0xB] = (left_bar >> 8);
frame[0xC] = (right_bar & 0xFF);
frame[0xD] = (right_bar >> 8);
 
r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame);
/* Our header values (type, version, length) should be alright, Intel
* is using the same. Checksum function also seems to be OK, it works
* fine for audio infoframe. However calculated value is always lower
215,17 → 155,8
/*
* build a Audio Info Frame
*/
static void r600_hdmi_audioinfoframe(
struct drm_encoder *encoder,
uint8_t channel_count,
uint8_t coding_type,
uint8_t sample_size,
uint8_t sample_frequency,
uint8_t format,
uint8_t channel_allocation,
uint8_t level_shift,
int downmix_inhibit
)
static void r600_hdmi_update_audio_infoframe(struct drm_encoder *encoder,
const void *buffer, size_t size)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
232,23 → 163,8
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;
const u8 *frame = buffer + 3;
 
uint8_t frame[11];
 
frame[0x0] = 0;
frame[0x1] = (channel_count & 0x7) | ((coding_type & 0xF) << 4);
frame[0x2] = (sample_size & 0x3) | ((sample_frequency & 0x7) << 2);
frame[0x3] = format;
frame[0x4] = channel_allocation;
frame[0x5] = ((level_shift & 0xF) << 3) | ((downmix_inhibit & 0x1) << 7);
frame[0x6] = 0;
frame[0x7] = 0;
frame[0x8] = 0;
frame[0x9] = 0;
frame[0xA] = 0;
 
r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame);
 
WREG32(HDMI0_AUDIO_INFO0 + offset,
frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
WREG32(HDMI0_AUDIO_INFO1 + offset,
310,7 → 226,39
value, ~HDMI0_AUDIO_TEST_EN);
}
 
void r600_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;
u32 base_rate = 24000;
 
if (!dig || !dig->afmt)
return;
 
/* there are two DTOs selected by DCCG_AUDIO_DTO_SELECT.
* doesn't matter which one you use. Just use the first one.
*/
/* 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
*/
if (ASIC_IS_DCE3(rdev)) {
/* according to the reg specs, this should DCE3.2 only, but in
* practice it seems to cover DCE3.0 as well.
*/
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
} else {
/* according to the reg specs, this should be DCE2.0 and DCE3.0 */
WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
AUDIO_DTO_MODULE(clock / 10));
}
}
 
/*
* update the info frames with the data from the current display mode
*/
320,7 → 268,10
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;
u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
struct hdmi_avi_infoframe frame;
uint32_t offset;
ssize_t err;
 
/* Silent, r600_hdmi_enable will raise WARN for us */
if (!dig->afmt->enabled)
371,9 → 322,19
 
WREG32(HDMI0_GC + offset, 0); /* unset HDMI0_GC_AVMUTE */
 
r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
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;
}
 
r600_hdmi_update_avi_infoframe(encoder, buffer, sizeof(buffer));
r600_hdmi_update_ACR(encoder, mode->clock);
 
/* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */
396,8 → 357,11
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
struct r600_audio audio = r600_audio_status(rdev);
uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
struct hdmi_audio_infoframe frame;
uint32_t offset;
uint32_t iec;
ssize_t err;
 
if (!dig->afmt || !dig->afmt->enabled)
return;
463,9 → 427,21
iec |= 0x5 << 16;
WREG32_P(HDMI0_60958_1 + offset, iec, ~0x5000f);
 
r600_hdmi_audioinfoframe(encoder, audio.channels - 1, 0, 0, 0, 0, 0, 0,
0);
err = hdmi_audio_infoframe_init(&frame);
if (err < 0) {
DRM_ERROR("failed to setup audio infoframe\n");
return;
}
 
frame.channels = audio.channels;
 
err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
if (err < 0) {
DRM_ERROR("failed to pack audio infoframe\n");
return;
}
 
r600_hdmi_update_audio_infoframe(encoder, buffer, sizeof(buffer));
r600_hdmi_audio_workaround(encoder);
}
#endif
473,42 → 449,51
/*
* enable the HDMI engine
*/
void r600_hdmi_enable(struct drm_encoder *encoder)
void r600_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;
uint32_t offset;
u32 hdmi;
u32 hdmi = HDMI0_ERROR_ACK;
 
if (ASIC_IS_DCE6(rdev))
return;
 
/* Silent, r600_hdmi_enable will raise WARN for us */
if (dig->afmt->enabled)
if (enable && dig->afmt->enabled)
return;
offset = dig->afmt->offset;
if (!enable && !dig->afmt->enabled)
return;
 
/* Older chipsets require setting HDMI and routing manually */
if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE;
if (!ASIC_IS_DCE3(rdev)) {
if (enable)
hdmi |= HDMI0_ENABLE;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN,
~AVIVO_TMDSA_CNTL_HDMI_EN);
if (enable) {
WREG32_OR(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_TMDSA);
} else {
WREG32_AND(AVIVO_TMDSA_CNTL, ~AVIVO_TMDSA_CNTL_HDMI_EN);
}
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN,
~AVIVO_LVTMA_CNTL_HDMI_EN);
if (enable) {
WREG32_OR(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_LVTMA);
} else {
WREG32_AND(AVIVO_LVTMA_CNTL, ~AVIVO_LVTMA_CNTL_HDMI_EN);
}
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
WREG32_P(DDIA_CNTL, DDIA_HDMI_EN, ~DDIA_HDMI_EN);
if (enable) {
WREG32_OR(DDIA_CNTL, DDIA_HDMI_EN);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_DDIA);
} else {
WREG32_AND(DDIA_CNTL, ~DDIA_HDMI_EN);
}
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
if (enable)
hdmi |= HDMI0_STREAM(HDMI0_STREAM_DVOA);
break;
default:
516,72 → 501,21
radeon_encoder->encoder_id);
break;
}
WREG32(HDMI0_CONTROL + offset, hdmi);
WREG32(HDMI0_CONTROL + dig->afmt->offset, hdmi);
}
 
if (rdev->irq.installed) {
/* if irq is available use it */
/* XXX: shouldn't need this on any asics. Double check DCE2/3 */
// if (enable)
// radeon_irq_kms_enable_afmt(rdev, dig->afmt->id);
// else
// radeon_irq_kms_disable_afmt(rdev, dig->afmt->id);
}
 
dig->afmt->enabled = true;
dig->afmt->enabled = enable;
 
DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
offset, radeon_encoder->encoder_id);
DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);
}
 
/*
* disable the HDMI engine
*/
void r600_hdmi_disable(struct drm_encoder *encoder)
{
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;
 
if (ASIC_IS_DCE6(rdev))
return;
 
/* Called for ATOM_ENCODER_MODE_HDMI only */
if (!dig || !dig->afmt) {
WARN_ON(1);
return;
}
if (!dig->afmt->enabled)
return;
offset = dig->afmt->offset;
 
DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
offset, radeon_encoder->encoder_id);
 
/* disable irq */
// radeon_irq_kms_disable_afmt(rdev, dig->afmt->id);
 
/* Older chipsets not handled by AtomBIOS */
if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, 0,
~AVIVO_TMDSA_CNTL_HDMI_EN);
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(AVIVO_LVTMA_CNTL, 0,
~AVIVO_LVTMA_CNTL_HDMI_EN);
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
WREG32_P(DDIA_CNTL, 0, ~DDIA_HDMI_EN);
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
break;
default:
dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n",
radeon_encoder->encoder_id);
break;
}
WREG32(HDMI0_CONTROL + offset, HDMI0_ERROR_ACK);
}
 
dig->afmt->enabled = false;
}