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1/*2 * Copyright 2014 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Slava Grigorev <slava.grigorev@amd.com>23 */24 25#ifndef __RADEON_AUDIO_H__26#define __RADEON_AUDIO_H__27 28#include <linux/types.h>29 30struct cea_sad;31 32#define RREG32_ENDPOINT(block, reg) \33 radeon_audio_endpoint_rreg(rdev, (block), (reg))34#define WREG32_ENDPOINT(block, reg, v) \35 radeon_audio_endpoint_wreg(rdev, (block), (reg), (v))36 37struct radeon_audio_basic_funcs {38 u32 (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg);39 void (*endpoint_wreg)(struct radeon_device *rdev,40 u32 offset, u32 reg, u32 v);41 void (*enable)(struct radeon_device *rdev,42 struct r600_audio_pin *pin, u8 enable_mask);43};44 45struct radeon_audio_funcs {46 void (*select_pin)(struct drm_encoder *encoder);47 struct r600_audio_pin* (*get_pin)(struct radeon_device *rdev);48 void (*write_latency_fields)(struct drm_encoder *encoder,49 struct drm_connector *connector, struct drm_display_mode *mode);50 void (*write_sad_regs)(struct drm_encoder *encoder,51 struct cea_sad *sads, int sad_count);52 void (*write_speaker_allocation)(struct drm_encoder *encoder,53 u8 *sadb, int sad_count);54 void (*set_dto)(struct radeon_device *rdev,55 struct radeon_crtc *crtc, unsigned int clock);56 void (*update_acr)(struct drm_encoder *encoder, long offset,57 const struct radeon_hdmi_acr *acr);58 void (*set_vbi_packet)(struct drm_encoder *encoder, u32 offset);59 void (*set_color_depth)(struct drm_encoder *encoder, u32 offset, int bpc);60 void (*set_avi_packet)(struct radeon_device *rdev, u32 offset,61 unsigned char *buffer, size_t size);62 void (*set_audio_packet)(struct drm_encoder *encoder, u32 offset);63 void (*set_mute)(struct drm_encoder *encoder, u32 offset, bool mute);64 void (*mode_set)(struct drm_encoder *encoder,65 struct drm_display_mode *mode);66 void (*dpms)(struct drm_encoder *encoder, bool mode);67};68 69int radeon_audio_init(struct radeon_device *rdev);70void radeon_audio_detect(struct drm_connector *connector,71 struct drm_encoder *encoder,72 enum drm_connector_status status);73u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,74 u32 offset, u32 reg);75void radeon_audio_endpoint_wreg(struct radeon_device *rdev,76 u32 offset, u32 reg, u32 v);77struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);78void radeon_audio_fini(struct radeon_device *rdev);79void radeon_audio_mode_set(struct drm_encoder *encoder,80 struct drm_display_mode *mode);81void radeon_audio_dpms(struct drm_encoder *encoder, int mode);82unsigned int radeon_audio_decode_dfs_div(unsigned int div);83 84void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,85 struct cea_sad *sads, int sad_count);86void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,87 u8 *sadb, int sad_count);88void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,89 u8 *sadb, int sad_count);90void dce3_2_audio_set_dto(struct radeon_device *rdev,91 struct radeon_crtc *crtc, unsigned int clock);92void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,93 const struct radeon_hdmi_acr *acr);94void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);95void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);96#endif97