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path: root/drivers/gpu/drm/radeon/dce6_afmt.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/dce6_afmt.c')
-rw-r--r--drivers/gpu/drm/radeon/dce6_afmt.c278
1 files changed, 278 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
new file mode 100644
index 000000000000..8953255e894b
--- /dev/null
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ *
+ * 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 "sid.h"
+
+static u32 dce6_endpoint_rreg(struct radeon_device *rdev,
+ u32 block_offset, u32 reg)
+{
+ u32 r;
+
+ WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
+ r = RREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset);
+ return r;
+}
+
+static void dce6_endpoint_wreg(struct radeon_device *rdev,
+ u32 block_offset, u32 reg, u32 v)
+{
+ if (ASIC_IS_DCE8(rdev))
+ WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
+ else
+ WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset,
+ AZ_ENDPOINT_REG_WRITE_EN | AZ_ENDPOINT_REG_INDEX(reg));
+ WREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset, v);
+}
+
+#define RREG32_ENDPOINT(block, reg) dce6_endpoint_rreg(rdev, (block), (reg))
+#define WREG32_ENDPOINT(block, reg, v) dce6_endpoint_wreg(rdev, (block), (reg), (v))
+
+
+static void dce6_afmt_get_connected_pins(struct radeon_device *rdev)
+{
+ int i;
+ u32 offset, tmp;
+
+ for (i = 0; i < rdev->audio.num_pins; i++) {
+ offset = rdev->audio.pin[i].offset;
+ tmp = RREG32_ENDPOINT(offset,
+ AZ_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
+ if (((tmp & PORT_CONNECTIVITY_MASK) >> PORT_CONNECTIVITY_SHIFT) == 1)
+ rdev->audio.pin[i].connected = false;
+ else
+ rdev->audio.pin[i].connected = true;
+ }
+}
+
+struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev)
+{
+ int i;
+
+ dce6_afmt_get_connected_pins(rdev);
+
+ for (i = 0; i < rdev->audio.num_pins; i++) {
+ if (rdev->audio.pin[i].connected)
+ return &rdev->audio.pin[i];
+ }
+ DRM_ERROR("No connected audio pins found!\n");
+ return NULL;
+}
+
+void dce6_afmt_select_pin(struct drm_encoder *encoder)
+{
+ struct radeon_device *rdev = encoder->dev->dev_private;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ u32 offset = dig->afmt->offset;
+ u32 id = dig->afmt->pin->id;
+
+ if (!dig->afmt->pin)
+ return;
+
+ WREG32(AFMT_AUDIO_SRC_CONTROL + offset, AFMT_AUDIO_SRC_SELECT(id));
+}
+
+void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder)
+{
+ struct radeon_device *rdev = encoder->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;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 offset, tmp;
+ u8 *sadb;
+ int sad_count;
+
+ if (!dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->pin->offset;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder)
+ radeon_connector = to_radeon_connector(connector);
+ }
+
+ if (!radeon_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
+ if (sad_count < 0) {
+ DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+ return;
+ }
+
+ /* program the speaker allocation */
+ tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_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(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
+
+ kfree(sadb);
+}
+
+void dce6_afmt_write_sad_regs(struct drm_encoder *encoder)
+{
+ struct radeon_device *rdev = encoder->dev->dev_private;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ u32 offset;
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ struct cea_sad *sads;
+ int i, sad_count;
+
+ static const u16 eld_reg_to_type[][2] = {
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
+ { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
+ };
+
+ if (!dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->pin->offset;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder)
+ radeon_connector = to_radeon_connector(connector);
+ }
+
+ if (!radeon_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
+ if (sad_count < 0) {
+ DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
+ return;
+ }
+ BUG_ON(!sads);
+
+ for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
+ u32 value = 0;
+ int j;
+
+ for (j = 0; j < sad_count; j++) {
+ struct cea_sad *sad = &sads[j];
+
+ if (sad->format == eld_reg_to_type[i][1]) {
+ value = MAX_CHANNELS(sad->channels) |
+ DESCRIPTOR_BYTE_2(sad->byte2) |
+ SUPPORTED_FREQUENCIES(sad->freq);
+ if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
+ value |= SUPPORTED_FREQUENCIES_STEREO(sad->freq);
+ break;
+ }
+ }
+ WREG32_ENDPOINT(offset, eld_reg_to_type[i][0], value);
+ }
+
+ kfree(sads);
+}
+
+static int dce6_audio_chipset_supported(struct radeon_device *rdev)
+{
+ return !ASIC_IS_NODCE(rdev);
+}
+
+static void dce6_audio_enable(struct radeon_device *rdev,
+ struct r600_audio_pin *pin,
+ bool enable)
+{
+ WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL,
+ AUDIO_ENABLED);
+ DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
+}
+
+static const u32 pin_offsets[7] =
+{
+ (0x5e00 - 0x5e00),
+ (0x5e18 - 0x5e00),
+ (0x5e30 - 0x5e00),
+ (0x5e48 - 0x5e00),
+ (0x5e60 - 0x5e00),
+ (0x5e78 - 0x5e00),
+ (0x5e90 - 0x5e00),
+};
+
+int dce6_audio_init(struct radeon_device *rdev)
+{
+ int i;
+
+ if (!radeon_audio || !dce6_audio_chipset_supported(rdev))
+ return 0;
+
+ rdev->audio.enabled = true;
+
+ if (ASIC_IS_DCE8(rdev))
+ rdev->audio.num_pins = 7;
+ else
+ rdev->audio.num_pins = 6;
+
+ for (i = 0; i < rdev->audio.num_pins; i++) {
+ rdev->audio.pin[i].channels = -1;
+ rdev->audio.pin[i].rate = -1;
+ rdev->audio.pin[i].bits_per_sample = -1;
+ rdev->audio.pin[i].status_bits = 0;
+ rdev->audio.pin[i].category_code = 0;
+ rdev->audio.pin[i].connected = false;
+ rdev->audio.pin[i].offset = pin_offsets[i];
+ rdev->audio.pin[i].id = i;
+ dce6_audio_enable(rdev, &rdev->audio.pin[i], true);
+ }
+
+ return 0;
+}
+
+void dce6_audio_fini(struct radeon_device *rdev)
+{
+ int i;
+
+ if (!rdev->audio.enabled)
+ return;
+
+ for (i = 0; i < rdev->audio.num_pins; i++)
+ dce6_audio_enable(rdev, &rdev->audio.pin[i], false);
+
+ rdev->audio.enabled = false;
+}
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