forked from Minki/linux
8bf598207e
Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Slava Grigorev <slava.grigorev@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
383 lines
12 KiB
C
383 lines
12 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Slava Grigorev <slava.grigorev@amd.com>
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*/
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include "radeon.h"
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#include "atom.h"
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#include "radeon_audio.h"
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void r600_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
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u8 enable_mask);
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void dce4_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
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u8 enable_mask);
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void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin,
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u8 enable_mask);
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u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
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void dce6_endpoint_wreg(struct radeon_device *rdev,
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u32 offset, u32 reg, u32 v);
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void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
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struct cea_sad *sads, int sad_count);
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void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
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struct cea_sad *sads, int sad_count);
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void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
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struct cea_sad *sads, int sad_count);
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void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
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u8 *sadb, int sad_count);
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void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
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struct drm_connector *connector, struct drm_display_mode *mode);
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void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
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struct drm_connector *connector, struct drm_display_mode *mode);
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struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev);
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struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev);
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void dce6_afmt_select_pin(struct drm_encoder *encoder);
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static const u32 pin_offsets[7] =
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{
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(0x5e00 - 0x5e00),
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(0x5e18 - 0x5e00),
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(0x5e30 - 0x5e00),
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(0x5e48 - 0x5e00),
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(0x5e60 - 0x5e00),
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(0x5e78 - 0x5e00),
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(0x5e90 - 0x5e00),
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};
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static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
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{
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return RREG32(reg);
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}
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static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset,
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u32 reg, u32 v)
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{
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WREG32(reg, v);
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}
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static struct radeon_audio_basic_funcs dce32_funcs = {
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.endpoint_rreg = radeon_audio_rreg,
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.endpoint_wreg = radeon_audio_wreg,
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.enable = r600_audio_enable,
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};
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static struct radeon_audio_basic_funcs dce4_funcs = {
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.endpoint_rreg = radeon_audio_rreg,
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.endpoint_wreg = radeon_audio_wreg,
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.enable = dce4_audio_enable,
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};
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static struct radeon_audio_basic_funcs dce6_funcs = {
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.endpoint_rreg = dce6_endpoint_rreg,
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.endpoint_wreg = dce6_endpoint_wreg,
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.enable = dce6_audio_enable,
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};
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static struct radeon_audio_funcs dce32_hdmi_funcs = {
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.get_pin = r600_audio_get_pin,
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.write_sad_regs = dce3_2_afmt_write_sad_regs,
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.write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation,
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};
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static struct radeon_audio_funcs dce32_dp_funcs = {
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.get_pin = r600_audio_get_pin,
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.write_sad_regs = dce3_2_afmt_write_sad_regs,
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.write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
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};
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static struct radeon_audio_funcs dce4_hdmi_funcs = {
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.get_pin = r600_audio_get_pin,
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.write_sad_regs = evergreen_hdmi_write_sad_regs,
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.write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation,
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.write_latency_fields = dce4_afmt_write_latency_fields,
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};
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static struct radeon_audio_funcs dce4_dp_funcs = {
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.get_pin = r600_audio_get_pin,
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.write_sad_regs = evergreen_hdmi_write_sad_regs,
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.write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation,
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.write_latency_fields = dce4_afmt_write_latency_fields,
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};
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static struct radeon_audio_funcs dce6_hdmi_funcs = {
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.select_pin = dce6_afmt_select_pin,
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.get_pin = dce6_audio_get_pin,
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.write_sad_regs = dce6_afmt_write_sad_regs,
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.write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation,
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.write_latency_fields = dce6_afmt_write_latency_fields,
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};
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static struct radeon_audio_funcs dce6_dp_funcs = {
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.select_pin = dce6_afmt_select_pin,
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.get_pin = dce6_audio_get_pin,
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.write_sad_regs = dce6_afmt_write_sad_regs,
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.write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation,
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.write_latency_fields = dce6_afmt_write_latency_fields,
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};
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static void radeon_audio_interface_init(struct radeon_device *rdev)
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{
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if (ASIC_IS_DCE6(rdev)) {
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rdev->audio.funcs = &dce6_funcs;
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rdev->audio.hdmi_funcs = &dce6_hdmi_funcs;
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rdev->audio.dp_funcs = &dce6_dp_funcs;
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} else if (ASIC_IS_DCE4(rdev)) {
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rdev->audio.funcs = &dce4_funcs;
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rdev->audio.hdmi_funcs = &dce4_hdmi_funcs;
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rdev->audio.dp_funcs = &dce4_dp_funcs;
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} else {
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rdev->audio.funcs = &dce32_funcs;
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rdev->audio.hdmi_funcs = &dce32_hdmi_funcs;
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rdev->audio.dp_funcs = &dce32_dp_funcs;
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}
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}
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static int radeon_audio_chipset_supported(struct radeon_device *rdev)
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{
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return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
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}
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int radeon_audio_init(struct radeon_device *rdev)
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{
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int i;
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if (!radeon_audio || !radeon_audio_chipset_supported(rdev))
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return 0;
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rdev->audio.enabled = true;
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if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */
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rdev->audio.num_pins = 3;
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else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */
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rdev->audio.num_pins = 7;
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else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */
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rdev->audio.num_pins = 7;
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else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */
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rdev->audio.num_pins = 2;
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else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */
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rdev->audio.num_pins = 6;
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else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */
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rdev->audio.num_pins = 6;
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else
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rdev->audio.num_pins = 1;
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for (i = 0; i < rdev->audio.num_pins; i++) {
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rdev->audio.pin[i].channels = -1;
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rdev->audio.pin[i].rate = -1;
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rdev->audio.pin[i].bits_per_sample = -1;
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rdev->audio.pin[i].status_bits = 0;
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rdev->audio.pin[i].category_code = 0;
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rdev->audio.pin[i].connected = false;
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rdev->audio.pin[i].offset = pin_offsets[i];
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rdev->audio.pin[i].id = i;
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}
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radeon_audio_interface_init(rdev);
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/* disable audio. it will be set up later */
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for (i = 0; i < rdev->audio.num_pins; i++)
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radeon_audio_enable(rdev, &rdev->audio.pin[i], false);
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return 0;
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}
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void radeon_audio_detect(struct drm_connector *connector,
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enum drm_connector_status status)
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{
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if (!connector || !connector->encoder)
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return;
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if (status == connector_status_connected) {
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int sink_type;
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struct radeon_device *rdev = connector->encoder->dev->dev_private;
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struct radeon_connector *radeon_connector;
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struct radeon_encoder *radeon_encoder =
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to_radeon_encoder(connector->encoder);
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if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
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radeon_encoder->audio = 0;
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return;
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}
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radeon_connector = to_radeon_connector(connector);
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sink_type = radeon_dp_getsinktype(radeon_connector);
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if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
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sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
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radeon_encoder->audio = rdev->audio.dp_funcs;
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else
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radeon_encoder->audio = rdev->audio.hdmi_funcs;
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/* TODO: set up the sads, etc. and set the audio enable_mask */
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} else {
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/* TODO: reset the audio enable_mask */
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}
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}
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u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg)
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{
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if (rdev->audio.funcs->endpoint_rreg)
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return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg);
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return 0;
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}
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void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset,
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u32 reg, u32 v)
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{
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if (rdev->audio.funcs->endpoint_wreg)
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rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v);
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}
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void radeon_audio_write_sad_regs(struct drm_encoder *encoder)
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{
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struct radeon_encoder *radeon_encoder;
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struct drm_connector *connector;
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struct radeon_connector *radeon_connector = NULL;
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struct cea_sad *sads;
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int sad_count;
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list_for_each_entry(connector,
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&encoder->dev->mode_config.connector_list, head) {
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if (connector->encoder == encoder) {
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radeon_connector = to_radeon_connector(connector);
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break;
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}
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}
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if (!radeon_connector) {
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DRM_ERROR("Couldn't find encoder's connector\n");
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return;
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}
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sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads);
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if (sad_count <= 0) {
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DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
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return;
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}
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BUG_ON(!sads);
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radeon_encoder = to_radeon_encoder(encoder);
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if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs)
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radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count);
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kfree(sads);
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}
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void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
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{
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_connector *connector;
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struct radeon_connector *radeon_connector = NULL;
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u8 *sadb = NULL;
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int sad_count;
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list_for_each_entry(connector,
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&encoder->dev->mode_config.connector_list, head) {
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if (connector->encoder == encoder) {
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radeon_connector = to_radeon_connector(connector);
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break;
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}
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}
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if (!radeon_connector) {
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DRM_ERROR("Couldn't find encoder's connector\n");
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return;
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}
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sad_count = drm_edid_to_speaker_allocation(
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radeon_connector_edid(connector), &sadb);
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if (sad_count < 0) {
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DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
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sad_count);
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sad_count = 0;
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}
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if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
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radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);
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kfree(sadb);
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}
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void radeon_audio_write_latency_fields(struct drm_encoder *encoder,
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struct drm_display_mode *mode)
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{
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struct radeon_encoder *radeon_encoder;
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struct drm_connector *connector;
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struct radeon_connector *radeon_connector = 0;
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list_for_each_entry(connector,
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&encoder->dev->mode_config.connector_list, head) {
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if (connector->encoder == encoder) {
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radeon_connector = to_radeon_connector(connector);
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break;
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}
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}
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if (!radeon_connector) {
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DRM_ERROR("Couldn't find encoder's connector\n");
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return;
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}
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radeon_encoder = to_radeon_encoder(encoder);
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if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields)
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radeon_encoder->audio->write_latency_fields(encoder, connector, mode);
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}
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struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder)
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{
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struct radeon_device *rdev = encoder->dev->dev_private;
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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if (radeon_encoder->audio && radeon_encoder->audio->get_pin)
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return radeon_encoder->audio->get_pin(rdev);
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return NULL;
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}
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void radeon_audio_select_pin(struct drm_encoder *encoder)
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{
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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if (radeon_encoder->audio && radeon_encoder->audio->select_pin)
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radeon_encoder->audio->select_pin(encoder);
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}
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void radeon_audio_enable(struct radeon_device *rdev,
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struct r600_audio_pin *pin, u8 enable_mask)
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{
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if (rdev->audio.funcs->enable)
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rdev->audio.funcs->enable(rdev, pin, enable_mask);
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}
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