diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_hdmi.c')
-rw-r--r-- | drivers/gpu/drm/radeon/r600_hdmi.c | 399 |
1 files changed, 95 insertions, 304 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index b90dc0eb08e6..62c91ed669ce 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -29,6 +29,7 @@ #include <drm/radeon_drm.h> #include "radeon.h" #include "radeon_asic.h" +#include "radeon_audio.h" #include "r600d.h" #include "atom.h" @@ -55,30 +56,6 @@ enum r600_hdmi_iec_status_bits { AUDIO_STATUS_LEVEL = 0x80 }; -static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { - /* 32kHz 44.1kHz 48kHz */ - /* Clock N CTS N CTS N CTS */ - { 25175, 4096, 25175, 28224, 125875, 6144, 25175 }, /* 25,20/1.001 MHz */ - { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ - { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ - { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ - { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ - { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ - { 74176, 4096, 74176, 5733, 75335, 6144, 74176 }, /* 74.25/1.001 MHz */ - { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ - { 148352, 4096, 148352, 5733, 150670, 6144, 148352 }, /* 148.50/1.001 MHz */ - { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ -}; - - -/* - * check if the chipset is supported - */ -static int r600_audio_chipset_supported(struct radeon_device *rdev) -{ - return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev); -} - static struct r600_audio_pin r600_audio_status(struct radeon_device *rdev) { struct r600_audio_pin status; @@ -191,155 +168,56 @@ void r600_audio_enable(struct radeon_device *rdev, WREG32(AZ_HOT_PLUG_CONTROL, tmp); } -/* - * initialize the audio vars - */ -int r600_audio_init(struct radeon_device *rdev) -{ - if (!radeon_audio || !r600_audio_chipset_supported(rdev)) - return 0; - - rdev->audio.enabled = true; - - rdev->audio.num_pins = 1; - rdev->audio.pin[0].channels = -1; - rdev->audio.pin[0].rate = -1; - rdev->audio.pin[0].bits_per_sample = -1; - rdev->audio.pin[0].status_bits = 0; - rdev->audio.pin[0].category_code = 0; - rdev->audio.pin[0].id = 0; - /* disable audio. it will be set up later */ - r600_audio_enable(rdev, &rdev->audio.pin[0], 0); - - return 0; -} - -/* - * release the audio timer - * TODO: How to do this correctly on SMP systems? - */ -void r600_audio_fini(struct radeon_device *rdev) -{ - if (!rdev->audio.enabled) - return; - - r600_audio_enable(rdev, &rdev->audio.pin[0], 0); - - rdev->audio.enabled = false; -} - struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev) { /* only one pin on 6xx-NI */ return &rdev->audio.pin[0]; } -/* - * calculate CTS and N values if they are not found in the table - */ -static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int *N, int freq) -{ - int n, cts; - unsigned long div, mul; - - /* Safe, but overly large values */ - n = 128 * freq; - cts = clock * 1000; - - /* Smallest valid fraction */ - div = gcd(n, cts); - - n /= div; - cts /= div; - - /* - * The optimal N is 128*freq/1000. Calculate the closest larger - * value that doesn't truncate any bits. - */ - mul = ((128*freq/1000) + (n-1))/n; - - n *= mul; - cts *= mul; - - /* Check that we are in spec (not always possible) */ - if (n < (128*freq/1500)) - printk(KERN_WARNING "Calculated ACR N value is too small. You may experience audio problems.\n"); - if (n > (128*freq/300)) - printk(KERN_WARNING "Calculated ACR N value is too large. You may experience audio problems.\n"); - - *N = n; - *CTS = cts; - - DRM_DEBUG("Calculated ACR timing N=%d CTS=%d for frequency %d\n", - *N, *CTS, freq); -} - -struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock) -{ - struct radeon_hdmi_acr res; - u8 i; - - /* Precalculated values for common clocks */ - for (i = 0; i < ARRAY_SIZE(r600_hdmi_predefined_acr); i++) { - if (r600_hdmi_predefined_acr[i].clock == clock) - return r600_hdmi_predefined_acr[i]; - } - - /* And odd clocks get manually calculated */ - r600_hdmi_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000); - r600_hdmi_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100); - r600_hdmi_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000); - - return res; -} - -/* - * update the N and CTS parameters for a given pixel clock rate - */ -void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock) +void r600_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; - 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; + + /* DCE 3.0 uses register that's normally for CRC_CONTROL */ + uint32_t acr_ctl = ASIC_IS_DCE3(rdev) ? DCE3_HDMI0_ACR_PACKET_CONTROL : + HDMI0_ACR_PACKET_CONTROL; + WREG32_P(acr_ctl + offset, + HDMI0_ACR_SOURCE | /* select SW CTS value */ + HDMI0_ACR_AUTO_SEND, /* allow hw to sent ACR packets when required */ + ~(HDMI0_ACR_SOURCE | + HDMI0_ACR_AUTO_SEND)); WREG32_P(HDMI0_ACR_32_0 + offset, - HDMI0_ACR_CTS_32(acr.cts_32khz), - ~HDMI0_ACR_CTS_32_MASK); + HDMI0_ACR_CTS_32(acr->cts_32khz), + ~HDMI0_ACR_CTS_32_MASK); WREG32_P(HDMI0_ACR_32_1 + offset, - HDMI0_ACR_N_32(acr.n_32khz), - ~HDMI0_ACR_N_32_MASK); + HDMI0_ACR_N_32(acr->n_32khz), + ~HDMI0_ACR_N_32_MASK); WREG32_P(HDMI0_ACR_44_0 + offset, - HDMI0_ACR_CTS_44(acr.cts_44_1khz), - ~HDMI0_ACR_CTS_44_MASK); + HDMI0_ACR_CTS_44(acr->cts_44_1khz), + ~HDMI0_ACR_CTS_44_MASK); WREG32_P(HDMI0_ACR_44_1 + offset, - HDMI0_ACR_N_44(acr.n_44_1khz), - ~HDMI0_ACR_N_44_MASK); + HDMI0_ACR_N_44(acr->n_44_1khz), + ~HDMI0_ACR_N_44_MASK); WREG32_P(HDMI0_ACR_48_0 + offset, - HDMI0_ACR_CTS_48(acr.cts_48khz), - ~HDMI0_ACR_CTS_48_MASK); + HDMI0_ACR_CTS_48(acr->cts_48khz), + ~HDMI0_ACR_CTS_48_MASK); WREG32_P(HDMI0_ACR_48_1 + offset, - HDMI0_ACR_N_48(acr.n_48khz), - ~HDMI0_ACR_N_48_MASK); + HDMI0_ACR_N_48(acr->n_48khz), + ~HDMI0_ACR_N_48_MASK); } /* * build a HDMI Video Info Frame */ -void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder, void *buffer, - size_t size) +void r600_set_avi_packet(struct radeon_device *rdev, u32 offset, + unsigned char *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(HDMI0_AVI_INFO0 + offset, frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24)); @@ -348,7 +226,14 @@ void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder, void *buffer, WREG32(HDMI0_AVI_INFO2 + offset, frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24)); WREG32(HDMI0_AVI_INFO3 + offset, - frame[0xC] | (frame[0xD] << 8) | (header[1] << 24)); + frame[0xC] | (frame[0xD] << 8) | (buffer[1] << 24)); + + WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset, + HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ + HDMI0_AVI_INFO_CONT); /* send AVI info frames every frame/field */ + + WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset, + HDMI0_AVI_INFO_LINE(2)); /* anything other than 0 */ } /* @@ -425,188 +310,94 @@ void r600_hdmi_audio_workaround(struct drm_encoder *encoder) value, ~HDMI0_AUDIO_TEST_EN); } -void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) +void r600_hdmi_audio_set_dto(struct radeon_device *rdev, + struct radeon_crtc *crtc, unsigned int 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; - u32 max_ratio = clock / base_rate; - u32 dto_phase; - u32 dto_modulo = clock; - u32 wallclock_ratio; - u32 dto_cntl; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; - if (!dig || !dig->afmt) + if (!crtc) return; - 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; - } + radeon_encoder = to_radeon_encoder(crtc->encoder); + dig = radeon_encoder->enc_priv; - /* 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_DCE32(rdev)) { - if (dig->dig_encoder == 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); - WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); - WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo); - WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ - } else { - dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; - dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); - WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl); - WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase); - WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo); - WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ - } + if (!dig) + return; + + if (dig->dig_encoder == 0) { + WREG32(DCCG_AUDIO_DTO0_PHASE, 24000 * 100); + WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100); + WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ } else { - /* according to the reg specs, this should DCE3.2 only, but in - * practice it seems to cover DCE2.0/3.0/3.1 as well. - */ - if (dig->dig_encoder == 0) { - WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); - WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100); - WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ - } else { - WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100); - WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); - WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ - } + WREG32(DCCG_AUDIO_DTO1_PHASE, 24000 * 100); + WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); + WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } } -/* - * update the info frames with the data from the current display mode - */ -void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode) +void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset) { 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; - u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; - struct hdmi_avi_infoframe frame; - uint32_t offset; - uint32_t acr_ctl; - ssize_t err; - - if (!dig || !dig->afmt) - return; - - /* Silent, r600_hdmi_enable will raise WARN for us */ - if (!dig->afmt->enabled) - return; - offset = dig->afmt->offset; - /* disable audio prior to setting up hw */ - dig->afmt->pin = r600_audio_get_pin(rdev); - r600_audio_enable(rdev, dig->afmt->pin, 0xf); + WREG32_OR(HDMI0_VBI_PACKET_CONTROL + offset, + HDMI0_NULL_SEND | /* send null packets when required */ + HDMI0_GC_SEND | /* send general control packets */ + HDMI0_GC_CONT); /* send general control packets every frame */ +} - r600_audio_set_dto(encoder, mode->clock); +void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, - HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ - HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ - HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ - HDMI0_60958_CS_UPDATE, /* allow 60958 channel status fields to be updated */ - ~(HDMI0_AUDIO_SAMPLE_SEND | - HDMI0_AUDIO_DELAY_EN_MASK | - HDMI0_AUDIO_PACKETS_PER_LINE_MASK | - HDMI0_60958_CS_UPDATE)); - - /* DCE 3.0 uses register that's normally for CRC_CONTROL */ - acr_ctl = ASIC_IS_DCE3(rdev) ? DCE3_HDMI0_ACR_PACKET_CONTROL : - HDMI0_ACR_PACKET_CONTROL; - WREG32_P(acr_ctl + offset, - HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ - HDMI0_ACR_AUTO_SEND, /* allow hw to sent ACR packets when required */ - ~(HDMI0_ACR_SOURCE | - HDMI0_ACR_AUTO_SEND)); - - WREG32_OR(HDMI0_VBI_PACKET_CONTROL + offset, - HDMI0_NULL_SEND | /* send null packets when required */ - HDMI0_GC_SEND | /* send general control packets */ - HDMI0_GC_CONT); /* send general control packets every frame */ + HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ + HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ + HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ + HDMI0_60958_CS_UPDATE, /* allow 60958 channel status fields to be updated */ + ~(HDMI0_AUDIO_SAMPLE_SEND | + HDMI0_AUDIO_DELAY_EN_MASK | + HDMI0_AUDIO_PACKETS_PER_LINE_MASK | + HDMI0_60958_CS_UPDATE)); WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset, - HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ - HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */ - HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ - HDMI0_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */ + HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ + HDMI0_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */ WREG32_P(HDMI0_INFOFRAME_CONTROL1 + offset, - HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */ - HDMI0_AUDIO_INFO_LINE(2), /* anything other than 0 */ - ~(HDMI0_AVI_INFO_LINE_MASK | - HDMI0_AUDIO_INFO_LINE_MASK)); - - WREG32_AND(HDMI0_GC + offset, - ~HDMI0_GC_AVMUTE); /* unset HDMI0_GC_AVMUTE */ - - 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)); - - /* fglrx duplicates INFOFRAME_CONTROL0 & INFOFRAME_CONTROL1 ops here */ + HDMI0_AUDIO_INFO_LINE(2), /* anything other than 0 */ + ~HDMI0_AUDIO_INFO_LINE_MASK); WREG32_AND(HDMI0_GENERIC_PACKET_CONTROL + offset, - ~(HDMI0_GENERIC0_SEND | - HDMI0_GENERIC0_CONT | - HDMI0_GENERIC0_UPDATE | - HDMI0_GENERIC1_SEND | - HDMI0_GENERIC1_CONT | - HDMI0_GENERIC0_LINE_MASK | - HDMI0_GENERIC1_LINE_MASK)); - - r600_hdmi_update_ACR(encoder, mode->clock); + ~(HDMI0_GENERIC0_SEND | + HDMI0_GENERIC0_CONT | + HDMI0_GENERIC0_UPDATE | + HDMI0_GENERIC1_SEND | + HDMI0_GENERIC1_CONT | + HDMI0_GENERIC0_LINE_MASK | + HDMI0_GENERIC1_LINE_MASK)); WREG32_P(HDMI0_60958_0 + offset, - HDMI0_60958_CS_CHANNEL_NUMBER_L(1), - ~(HDMI0_60958_CS_CHANNEL_NUMBER_L_MASK | - HDMI0_60958_CS_CLOCK_ACCURACY_MASK)); + HDMI0_60958_CS_CHANNEL_NUMBER_L(1), + ~(HDMI0_60958_CS_CHANNEL_NUMBER_L_MASK | + HDMI0_60958_CS_CLOCK_ACCURACY_MASK)); WREG32_P(HDMI0_60958_1 + offset, - HDMI0_60958_CS_CHANNEL_NUMBER_R(2), - ~HDMI0_60958_CS_CHANNEL_NUMBER_R_MASK); + HDMI0_60958_CS_CHANNEL_NUMBER_R(2), + ~HDMI0_60958_CS_CHANNEL_NUMBER_R_MASK); +} - /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ - WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF); - WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF); - WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001); - WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001); +void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; - /* enable audio after to setting up hw */ - r600_audio_enable(rdev, dig->afmt->pin, 0xf); + if (mute) + WREG32_OR(HDMI0_GC + offset, HDMI0_GC_AVMUTE); + else + WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE); } /** @@ -692,7 +483,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder, bool enable) return; if (!enable && dig->afmt->pin) { - r600_audio_enable(rdev, dig->afmt->pin, 0); + radeon_audio_enable(rdev, dig->afmt->pin, 0); dig->afmt->pin = NULL; } |