Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / dce3_1_afmt.c
diff --git a/kernel/drivers/gpu/drm/radeon/dce3_1_afmt.c b/kernel/drivers/gpu/drm/radeon/dce3_1_afmt.c
new file mode 100644 (file)
index 0000000..cfa3a84
--- /dev/null
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * Copyright 2014 Rafał Miłecki
+ *
+ * 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.
+ */
+#include <linux/hdmi.h>
+#include <drm/drmP.h>
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "radeon_audio.h"
+#include "r600d.h"
+
+void dce3_2_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 dce3_2_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 dce3_2_afmt_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);
+       }
+}
+
+void dce3_2_audio_set_dto(struct radeon_device *rdev,
+       struct radeon_crtc *crtc, unsigned int clock)
+{
+       struct radeon_encoder *radeon_encoder;
+       struct radeon_encoder_atom_dig *dig;
+       unsigned int max_ratio = clock / 24000;
+       u32 dto_phase;
+       u32 wallclock_ratio;
+       u32 dto_cntl;
+
+       if (!crtc)
+               return;
+
+       radeon_encoder = to_radeon_encoder(crtc->encoder);
+       dig = radeon_encoder->enc_priv;
+
+       if (!dig)
+               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;
+       }
+
+       /* 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 (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, clock);
+               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, clock);
+               WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+       }
+}
+
+void dce3_2_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;
+
+       WREG32(DCE3_HDMI0_ACR_PACKET_CONTROL + offset,
+               HDMI0_ACR_SOURCE |              /* select SW CTS value */
+               HDMI0_ACR_AUTO_SEND);   /* allow hw to sent ACR packets when required */
+
+       WREG32_P(HDMI0_ACR_32_0 + offset,
+               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);
+
+       WREG32_P(HDMI0_ACR_44_0 + offset,
+               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);
+
+       WREG32_P(HDMI0_ACR_48_0 + offset,
+               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);
+}
+
+void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset)
+{
+       struct drm_device *dev = encoder->dev;
+       struct radeon_device *rdev = dev->dev_private;
+
+       WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset,
+               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 */
+
+       WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
+               AFMT_AUDIO_SAMPLE_SEND |                        /* send audio packets */
+               AFMT_60958_CS_UPDATE);                          /* allow 60958 channel status fields to be updated */
+
+       WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset,
+               HDMI0_AUDIO_INFO_SEND |                         /* enable audio info frames (frames won't be set until audio is enabled) */
+               HDMI0_AUDIO_INFO_CONT);                         /* send audio info frames every frame/field */
+
+       WREG32_OR(HDMI0_INFOFRAME_CONTROL1 + offset,
+               HDMI0_AUDIO_INFO_LINE(2));                      /* anything other than 0 */
+}
+
+void dce3_2_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(HDMI0_GC + offset, HDMI0_GC_AVMUTE);
+       else
+               WREG32_AND(HDMI0_GC + offset, ~HDMI0_GC_AVMUTE);
+}