LCOV - code coverage report
Current view: top level - dev/pci/drm/radeon - r600_hdmi.c (source / functions) Hit Total Coverage
Test: 6.4 Lines: 0 218 0.0 %
Date: 2018-10-19 03:25:38 Functions: 0 16 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright 2008 Advanced Micro Devices, Inc.
       3             :  * Copyright 2008 Red Hat Inc.
       4             :  * Copyright 2009 Christian König.
       5             :  *
       6             :  * Permission is hereby granted, free of charge, to any person obtaining a
       7             :  * copy of this software and associated documentation files (the "Software"),
       8             :  * to deal in the Software without restriction, including without limitation
       9             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      10             :  * and/or sell copies of the Software, and to permit persons to whom the
      11             :  * Software is furnished to do so, subject to the following conditions:
      12             :  *
      13             :  * The above copyright notice and this permission notice shall be included in
      14             :  * all copies or substantial portions of the Software.
      15             :  *
      16             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      17             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      18             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      19             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      20             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      21             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      22             :  * OTHER DEALINGS IN THE SOFTWARE.
      23             :  *
      24             :  * Authors: Christian König
      25             :  */
      26             : #include <dev/pci/drm/linux_hdmi.h>
      27             : #include <dev/pci/drm/drmP.h>
      28             : #include <dev/pci/drm/radeon_drm.h>
      29             : #include "radeon.h"
      30             : #include "radeon_asic.h"
      31             : #include "radeon_audio.h"
      32             : #include "r600d.h"
      33             : #include "atom.h"
      34             : 
      35             : /*
      36             :  * HDMI color format
      37             :  */
      38             : enum r600_hdmi_color_format {
      39             :         RGB = 0,
      40             :         YCC_422 = 1,
      41             :         YCC_444 = 2
      42             : };
      43             : 
      44             : /*
      45             :  * IEC60958 status bits
      46             :  */
      47             : enum r600_hdmi_iec_status_bits {
      48             :         AUDIO_STATUS_DIG_ENABLE   = 0x01,
      49             :         AUDIO_STATUS_V            = 0x02,
      50             :         AUDIO_STATUS_VCFG         = 0x04,
      51             :         AUDIO_STATUS_EMPHASIS     = 0x08,
      52             :         AUDIO_STATUS_COPYRIGHT    = 0x10,
      53             :         AUDIO_STATUS_NONAUDIO     = 0x20,
      54             :         AUDIO_STATUS_PROFESSIONAL = 0x40,
      55             :         AUDIO_STATUS_LEVEL        = 0x80
      56             : };
      57             : 
      58           0 : static struct r600_audio_pin r600_audio_status(struct radeon_device *rdev)
      59             : {
      60           0 :         struct r600_audio_pin status;
      61             :         uint32_t value;
      62             : 
      63           0 :         value = RREG32(R600_AUDIO_RATE_BPS_CHANNEL);
      64             : 
      65             :         /* number of channels */
      66           0 :         status.channels = (value & 0x7) + 1;
      67             : 
      68             :         /* bits per sample */
      69           0 :         switch ((value & 0xF0) >> 4) {
      70             :         case 0x0:
      71             :                 status.bits_per_sample = 8;
      72           0 :                 break;
      73             :         case 0x1:
      74             :                 status.bits_per_sample = 16;
      75           0 :                 break;
      76             :         case 0x2:
      77             :                 status.bits_per_sample = 20;
      78           0 :                 break;
      79             :         case 0x3:
      80             :                 status.bits_per_sample = 24;
      81           0 :                 break;
      82             :         case 0x4:
      83             :                 status.bits_per_sample = 32;
      84           0 :                 break;
      85             :         default:
      86           0 :                 dev_err(rdev->dev, "Unknown bits per sample 0x%x, using 16\n",
      87             :                         (int)value);
      88             :                 status.bits_per_sample = 16;
      89           0 :         }
      90             : 
      91             :         /* current sampling rate in HZ */
      92           0 :         if (value & 0x4000)
      93           0 :                 status.rate = 44100;
      94             :         else
      95             :                 status.rate = 48000;
      96           0 :         status.rate *= ((value >> 11) & 0x7) + 1;
      97           0 :         status.rate /= ((value >> 8) & 0x7) + 1;
      98             : 
      99           0 :         value = RREG32(R600_AUDIO_STATUS_BITS);
     100             : 
     101             :         /* iec 60958 status bits */
     102           0 :         status.status_bits = value & 0xff;
     103             : 
     104             :         /* iec 60958 category code */
     105           0 :         status.category_code = (value >> 8) & 0xff;
     106             : 
     107           0 :         return status;
     108           0 : }
     109             : 
     110             : /*
     111             :  * update all hdmi interfaces with current audio parameters
     112             :  */
     113           0 : void r600_audio_update_hdmi(struct work_struct *work)
     114             : {
     115           0 :         struct radeon_device *rdev = container_of(work, struct radeon_device,
     116             :                                                   audio_work);
     117           0 :         struct drm_device *dev = rdev->ddev;
     118           0 :         struct r600_audio_pin audio_status = r600_audio_status(rdev);
     119             :         struct drm_encoder *encoder;
     120             :         bool changed = false;
     121             : 
     122           0 :         if (rdev->audio.pin[0].channels != audio_status.channels ||
     123           0 :             rdev->audio.pin[0].rate != audio_status.rate ||
     124           0 :             rdev->audio.pin[0].bits_per_sample != audio_status.bits_per_sample ||
     125           0 :             rdev->audio.pin[0].status_bits != audio_status.status_bits ||
     126           0 :             rdev->audio.pin[0].category_code != audio_status.category_code) {
     127           0 :                 rdev->audio.pin[0] = audio_status;
     128             :                 changed = true;
     129           0 :         }
     130             : 
     131           0 :         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
     132           0 :                 if (!radeon_encoder_is_digital(encoder))
     133             :                         continue;
     134           0 :                 if (changed || r600_hdmi_buffer_status_changed(encoder))
     135           0 :                         r600_hdmi_update_audio_settings(encoder);
     136             :         }
     137           0 : }
     138             : 
     139             : /* enable the audio stream */
     140           0 : void r600_audio_enable(struct radeon_device *rdev,
     141             :                        struct r600_audio_pin *pin,
     142             :                        u8 enable_mask)
     143             : {
     144           0 :         u32 tmp = RREG32(AZ_HOT_PLUG_CONTROL);
     145             : 
     146           0 :         if (!pin)
     147           0 :                 return;
     148             : 
     149           0 :         if (enable_mask) {
     150           0 :                 tmp |= AUDIO_ENABLED;
     151           0 :                 if (enable_mask & 1)
     152           0 :                         tmp |= PIN0_AUDIO_ENABLED;
     153           0 :                 if (enable_mask & 2)
     154           0 :                         tmp |= PIN1_AUDIO_ENABLED;
     155           0 :                 if (enable_mask & 4)
     156           0 :                         tmp |= PIN2_AUDIO_ENABLED;
     157           0 :                 if (enable_mask & 8)
     158           0 :                         tmp |= PIN3_AUDIO_ENABLED;
     159             :         } else {
     160           0 :                 tmp &= ~(AUDIO_ENABLED |
     161             :                          PIN0_AUDIO_ENABLED |
     162             :                          PIN1_AUDIO_ENABLED |
     163             :                          PIN2_AUDIO_ENABLED |
     164             :                          PIN3_AUDIO_ENABLED);
     165             :         }
     166             : 
     167           0 :         WREG32(AZ_HOT_PLUG_CONTROL, tmp);
     168           0 : }
     169             : 
     170           0 : struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev)
     171             : {
     172             :         /* only one pin on 6xx-NI */
     173           0 :         return &rdev->audio.pin[0];
     174             : }
     175             : 
     176           0 : void r600_hdmi_update_acr(struct drm_encoder *encoder, long offset,
     177             :         const struct radeon_hdmi_acr *acr)
     178             : {
     179           0 :         struct drm_device *dev = encoder->dev;
     180           0 :         struct radeon_device *rdev = dev->dev_private;
     181             : 
     182             :         /* DCE 3.0 uses register that's normally for CRC_CONTROL */
     183           0 :         uint32_t acr_ctl = ASIC_IS_DCE3(rdev) ? DCE3_HDMI0_ACR_PACKET_CONTROL :
     184             :                                        HDMI0_ACR_PACKET_CONTROL;
     185           0 :         WREG32_P(acr_ctl + offset,
     186             :                 HDMI0_ACR_SOURCE |              /* select SW CTS value */
     187             :                 HDMI0_ACR_AUTO_SEND,    /* allow hw to sent ACR packets when required */
     188             :                 ~(HDMI0_ACR_SOURCE |
     189             :                 HDMI0_ACR_AUTO_SEND));
     190             : 
     191           0 :         WREG32_P(HDMI0_ACR_32_0 + offset,
     192             :                 HDMI0_ACR_CTS_32(acr->cts_32khz),
     193             :                 ~HDMI0_ACR_CTS_32_MASK);
     194           0 :         WREG32_P(HDMI0_ACR_32_1 + offset,
     195             :                 HDMI0_ACR_N_32(acr->n_32khz),
     196             :                 ~HDMI0_ACR_N_32_MASK);
     197             : 
     198           0 :         WREG32_P(HDMI0_ACR_44_0 + offset,
     199             :                 HDMI0_ACR_CTS_44(acr->cts_44_1khz),
     200             :                 ~HDMI0_ACR_CTS_44_MASK);
     201           0 :         WREG32_P(HDMI0_ACR_44_1 + offset,
     202             :                 HDMI0_ACR_N_44(acr->n_44_1khz),
     203             :                 ~HDMI0_ACR_N_44_MASK);
     204             : 
     205           0 :         WREG32_P(HDMI0_ACR_48_0 + offset,
     206             :                 HDMI0_ACR_CTS_48(acr->cts_48khz),
     207             :                 ~HDMI0_ACR_CTS_48_MASK);
     208           0 :         WREG32_P(HDMI0_ACR_48_1 + offset,
     209             :                 HDMI0_ACR_N_48(acr->n_48khz),
     210             :                 ~HDMI0_ACR_N_48_MASK);
     211           0 : }
     212             : 
     213             : /*
     214             :  * build a HDMI Video Info Frame
     215             :  */
     216           0 : void r600_set_avi_packet(struct radeon_device *rdev, u32 offset,
     217             :     unsigned char *buffer, size_t size)
     218             : {
     219           0 :         uint8_t *frame = buffer + 3;
     220             : 
     221           0 :         WREG32(HDMI0_AVI_INFO0 + offset,
     222             :                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
     223           0 :         WREG32(HDMI0_AVI_INFO1 + offset,
     224             :                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
     225           0 :         WREG32(HDMI0_AVI_INFO2 + offset,
     226             :                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
     227           0 :         WREG32(HDMI0_AVI_INFO3 + offset,
     228             :                 frame[0xC] | (frame[0xD] << 8) | (buffer[1] << 24));
     229             : 
     230           0 :         WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset,
     231             :                   HDMI0_AVI_INFO_LINE(2));      /* anything other than 0 */
     232             : 
     233           0 :         WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
     234             :                   HDMI0_AVI_INFO_SEND | /* enable AVI info frames */
     235             :                   HDMI0_AVI_INFO_CONT); /* send AVI info frames every frame/field */
     236             : 
     237           0 : }
     238             : 
     239             : /*
     240             :  * build a Audio Info Frame
     241             :  */
     242           0 : static void r600_hdmi_update_audio_infoframe(struct drm_encoder *encoder,
     243             :                                              const void *buffer, size_t size)
     244             : {
     245           0 :         struct drm_device *dev = encoder->dev;
     246           0 :         struct radeon_device *rdev = dev->dev_private;
     247           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     248           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     249           0 :         uint32_t offset = dig->afmt->offset;
     250           0 :         const u8 *frame = buffer + 3;
     251             : 
     252           0 :         WREG32(HDMI0_AUDIO_INFO0 + offset,
     253             :                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
     254           0 :         WREG32(HDMI0_AUDIO_INFO1 + offset,
     255             :                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24));
     256           0 : }
     257             : 
     258             : /*
     259             :  * test if audio buffer is filled enough to start playing
     260             :  */
     261           0 : static bool r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder)
     262             : {
     263           0 :         struct drm_device *dev = encoder->dev;
     264           0 :         struct radeon_device *rdev = dev->dev_private;
     265           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     266           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     267           0 :         uint32_t offset = dig->afmt->offset;
     268             : 
     269           0 :         return (RREG32(HDMI0_STATUS + offset) & 0x10) != 0;
     270             : }
     271             : 
     272             : /*
     273             :  * have buffer status changed since last call?
     274             :  */
     275           0 : int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder)
     276             : {
     277           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     278           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     279             :         int status, result;
     280             : 
     281           0 :         if (!dig->afmt || !dig->afmt->enabled)
     282           0 :                 return 0;
     283             : 
     284           0 :         status = r600_hdmi_is_audio_buffer_filled(encoder);
     285           0 :         result = dig->afmt->last_buffer_filled_status != status;
     286           0 :         dig->afmt->last_buffer_filled_status = status;
     287             : 
     288           0 :         return result;
     289           0 : }
     290             : 
     291             : /*
     292             :  * write the audio workaround status to the hardware
     293             :  */
     294           0 : void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
     295             : {
     296           0 :         struct drm_device *dev = encoder->dev;
     297           0 :         struct radeon_device *rdev = dev->dev_private;
     298           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     299           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     300           0 :         uint32_t offset = dig->afmt->offset;
     301             :         bool hdmi_audio_workaround = false; /* FIXME */
     302             :         u32 value;
     303             : 
     304           0 :         if (!hdmi_audio_workaround ||
     305           0 :             r600_hdmi_is_audio_buffer_filled(encoder))
     306           0 :                 value = 0; /* disable workaround */
     307             :         else
     308             :                 value = HDMI0_AUDIO_TEST_EN; /* enable workaround */
     309           0 :         WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset,
     310             :                  value, ~HDMI0_AUDIO_TEST_EN);
     311           0 : }
     312             : 
     313           0 : void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
     314             :     struct radeon_crtc *crtc, unsigned int clock)
     315             : {
     316             :         struct radeon_encoder *radeon_encoder;
     317             :         struct radeon_encoder_atom_dig *dig;
     318             : 
     319           0 :         if (!crtc)
     320           0 :                 return;
     321             : 
     322           0 :         radeon_encoder = to_radeon_encoder(crtc->encoder);
     323           0 :         dig = radeon_encoder->enc_priv;
     324             : 
     325           0 :         if (!dig)
     326           0 :                 return;
     327             : 
     328           0 :         if (dig->dig_encoder == 0) {
     329           0 :                 WREG32(DCCG_AUDIO_DTO0_PHASE, 24000 * 100);
     330           0 :                 WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
     331           0 :                 WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
     332           0 :         } else {
     333           0 :                 WREG32(DCCG_AUDIO_DTO1_PHASE, 24000 * 100);
     334           0 :                 WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
     335           0 :                 WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
     336             :         }
     337           0 : }
     338             : 
     339           0 : void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset)
     340             : {
     341           0 :         struct drm_device *dev = encoder->dev;
     342           0 :         struct radeon_device *rdev = dev->dev_private;
     343             : 
     344           0 :         WREG32_OR(HDMI0_VBI_PACKET_CONTROL + offset,
     345             :                 HDMI0_NULL_SEND |       /* send null packets when required */
     346             :                 HDMI0_GC_SEND |         /* send general control packets */
     347             :                 HDMI0_GC_CONT);         /* send general control packets every frame */
     348           0 : }
     349             : 
     350           0 : void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset)
     351             : {
     352           0 :         struct drm_device *dev = encoder->dev;
     353           0 :         struct radeon_device *rdev = dev->dev_private;
     354             : 
     355           0 :         WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset,
     356             :                 HDMI0_AUDIO_SAMPLE_SEND |                       /* send audio packets */
     357             :                 HDMI0_AUDIO_DELAY_EN(1) |                       /* default audio delay */
     358             :                 HDMI0_AUDIO_PACKETS_PER_LINE(3) |       /* should be suffient for all audio modes and small enough for all hblanks */
     359             :                 HDMI0_60958_CS_UPDATE,                          /* allow 60958 channel status fields to be updated */
     360             :                 ~(HDMI0_AUDIO_SAMPLE_SEND |
     361             :                 HDMI0_AUDIO_DELAY_EN_MASK |
     362             :                 HDMI0_AUDIO_PACKETS_PER_LINE_MASK |
     363             :                 HDMI0_60958_CS_UPDATE));
     364             : 
     365           0 :         WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
     366             :                 HDMI0_AUDIO_INFO_SEND |         /* enable audio info frames (frames won't be set until audio is enabled) */
     367             :                 HDMI0_AUDIO_INFO_UPDATE);       /* required for audio info values to be updated */
     368             : 
     369           0 :         WREG32_P(HDMI0_INFOFRAME_CONTROL1 + offset,
     370             :                 HDMI0_AUDIO_INFO_LINE(2),       /* anything other than 0 */
     371             :                 ~HDMI0_AUDIO_INFO_LINE_MASK);
     372             : 
     373           0 :         WREG32_AND(HDMI0_GENERIC_PACKET_CONTROL + offset,
     374             :                 ~(HDMI0_GENERIC0_SEND |
     375             :                 HDMI0_GENERIC0_CONT |
     376             :                 HDMI0_GENERIC0_UPDATE |
     377             :                 HDMI0_GENERIC1_SEND |
     378             :                 HDMI0_GENERIC1_CONT |
     379             :                 HDMI0_GENERIC0_LINE_MASK |
     380             :                 HDMI0_GENERIC1_LINE_MASK));
     381             : 
     382           0 :         WREG32_P(HDMI0_60958_0 + offset,
     383             :                 HDMI0_60958_CS_CHANNEL_NUMBER_L(1),
     384             :                 ~(HDMI0_60958_CS_CHANNEL_NUMBER_L_MASK |
     385             :                 HDMI0_60958_CS_CLOCK_ACCURACY_MASK));
     386             : 
     387           0 :         WREG32_P(HDMI0_60958_1 + offset,
     388             :                 HDMI0_60958_CS_CHANNEL_NUMBER_R(2),
     389             :                 ~HDMI0_60958_CS_CHANNEL_NUMBER_R_MASK);
     390           0 : }
     391             : 
     392           0 : void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
     393             : {
     394           0 :         struct drm_device *dev = encoder->dev;
     395           0 :         struct radeon_device *rdev = dev->dev_private;
     396             : 
     397           0 :         if (mute)
     398           0 :                 WREG32_OR(HDMI0_GC + offset, HDMI0_GC_AVMUTE);
     399             :         else
     400           0 :                 WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE);
     401           0 : }
     402             : 
     403             : /**
     404             :  * r600_hdmi_update_audio_settings - Update audio infoframe
     405             :  *
     406             :  * @encoder: drm encoder
     407             :  *
     408             :  * Gets info about current audio stream and updates audio infoframe.
     409             :  */
     410           0 : void r600_hdmi_update_audio_settings(struct drm_encoder *encoder)
     411             : {
     412           0 :         struct drm_device *dev = encoder->dev;
     413           0 :         struct radeon_device *rdev = dev->dev_private;
     414           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     415           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     416           0 :         struct r600_audio_pin audio = r600_audio_status(rdev);
     417           0 :         uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
     418           0 :         struct hdmi_audio_infoframe frame;
     419             :         uint32_t offset;
     420             :         uint32_t value;
     421             :         ssize_t err;
     422             : 
     423           0 :         if (!dig->afmt || !dig->afmt->enabled)
     424           0 :                 return;
     425           0 :         offset = dig->afmt->offset;
     426             : 
     427             :         DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n",
     428             :                  r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped",
     429             :                   audio.channels, audio.rate, audio.bits_per_sample);
     430             :         DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n",
     431             :                   (int)audio.status_bits, (int)audio.category_code);
     432             : 
     433           0 :         err = hdmi_audio_infoframe_init(&frame);
     434           0 :         if (err < 0) {
     435           0 :                 DRM_ERROR("failed to setup audio infoframe\n");
     436           0 :                 return;
     437             :         }
     438             : 
     439           0 :         frame.channels = audio.channels;
     440             : 
     441           0 :         err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
     442           0 :         if (err < 0) {
     443           0 :                 DRM_ERROR("failed to pack audio infoframe\n");
     444           0 :                 return;
     445             :         }
     446             : 
     447           0 :         value = RREG32(HDMI0_AUDIO_PACKET_CONTROL + offset);
     448           0 :         if (value & HDMI0_AUDIO_TEST_EN)
     449           0 :                 WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
     450             :                        value & ~HDMI0_AUDIO_TEST_EN);
     451             : 
     452           0 :         WREG32_OR(HDMI0_CONTROL + offset,
     453             :                   HDMI0_ERROR_ACK);
     454             : 
     455           0 :         WREG32_AND(HDMI0_INFOFRAME_CONTROL0 + offset,
     456             :                    ~HDMI0_AUDIO_INFO_SOURCE);
     457             : 
     458           0 :         r600_hdmi_update_audio_infoframe(encoder, buffer, sizeof(buffer));
     459             : 
     460           0 :         WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
     461             :                   HDMI0_AUDIO_INFO_CONT |
     462             :                   HDMI0_AUDIO_INFO_UPDATE);
     463           0 : }
     464             : 
     465             : /*
     466             :  * enable the HDMI engine
     467             :  */
     468           0 : void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
     469             : {
     470           0 :         struct drm_device *dev = encoder->dev;
     471           0 :         struct radeon_device *rdev = dev->dev_private;
     472           0 :         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
     473           0 :         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
     474             :         u32 hdmi = HDMI0_ERROR_ACK;
     475             : 
     476           0 :         if (!dig || !dig->afmt)
     477           0 :                 return;
     478             : 
     479             :         /* Older chipsets require setting HDMI and routing manually */
     480           0 :         if (!ASIC_IS_DCE3(rdev)) {
     481           0 :                 if (enable)
     482           0 :                         hdmi |= HDMI0_ENABLE;
     483           0 :                 switch (radeon_encoder->encoder_id) {
     484             :                 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
     485           0 :                         if (enable) {
     486           0 :                                 WREG32_OR(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN);
     487             :                                 hdmi |= HDMI0_STREAM(HDMI0_STREAM_TMDSA);
     488           0 :                         } else {
     489           0 :                                 WREG32_AND(AVIVO_TMDSA_CNTL, ~AVIVO_TMDSA_CNTL_HDMI_EN);
     490             :                         }
     491             :                         break;
     492             :                 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
     493           0 :                         if (enable) {
     494           0 :                                 WREG32_OR(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN);
     495           0 :                                 hdmi |= HDMI0_STREAM(HDMI0_STREAM_LVTMA);
     496           0 :                         } else {
     497           0 :                                 WREG32_AND(AVIVO_LVTMA_CNTL, ~AVIVO_LVTMA_CNTL_HDMI_EN);
     498             :                         }
     499             :                         break;
     500             :                 case ENCODER_OBJECT_ID_INTERNAL_DDI:
     501           0 :                         if (enable) {
     502           0 :                                 WREG32_OR(DDIA_CNTL, DDIA_HDMI_EN);
     503           0 :                                 hdmi |= HDMI0_STREAM(HDMI0_STREAM_DDIA);
     504           0 :                         } else {
     505           0 :                                 WREG32_AND(DDIA_CNTL, ~DDIA_HDMI_EN);
     506             :                         }
     507             :                         break;
     508             :                 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
     509           0 :                         if (enable)
     510           0 :                                 hdmi |= HDMI0_STREAM(HDMI0_STREAM_DVOA);
     511             :                         break;
     512             :                 default:
     513           0 :                         dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n",
     514             :                                 radeon_encoder->encoder_id);
     515           0 :                         break;
     516             :                 }
     517           0 :                 WREG32(HDMI0_CONTROL + dig->afmt->offset, hdmi);
     518           0 :         }
     519             : 
     520           0 :         if (rdev->irq.installed) {
     521             :                 /* if irq is available use it */
     522             :                 /* XXX: shouldn't need this on any asics.  Double check DCE2/3 */
     523           0 :                 if (enable)
     524           0 :                         radeon_irq_kms_enable_afmt(rdev, dig->afmt->id);
     525             :                 else
     526           0 :                         radeon_irq_kms_disable_afmt(rdev, dig->afmt->id);
     527             :         }
     528             : 
     529           0 :         dig->afmt->enabled = enable;
     530             : 
     531             :         DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
     532             :                   enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);
     533           0 : }
     534             : 

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