1 /* $NetBSD: radeon_audio.h,v 1.3 2021/12/18 23:45:43 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 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: Slava Grigorev <slava.grigorev@amd.com> 25 */ 26 27 #ifndef __RADEON_AUDIO_H__ 28 #define __RADEON_AUDIO_H__ 29 30 #include <linux/types.h> 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 37 struct radeon_audio_basic_funcs 38 { 39 u32 (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg); 40 void (*endpoint_wreg)(struct radeon_device *rdev, 41 u32 offset, u32 reg, u32 v); 42 void (*enable)(struct radeon_device *rdev, 43 struct r600_audio_pin *pin, u8 enable_mask); 44 }; 45 46 struct radeon_audio_funcs 47 { 48 void (*select_pin)(struct drm_encoder *encoder); 49 struct r600_audio_pin* (*get_pin)(struct radeon_device *rdev); 50 void (*write_latency_fields)(struct drm_encoder *encoder, 51 struct drm_connector *connector, struct drm_display_mode *mode); 52 void (*write_sad_regs)(struct drm_encoder *encoder, 53 struct cea_sad *sads, int sad_count); 54 void (*write_speaker_allocation)(struct drm_encoder *encoder, 55 u8 *sadb, int sad_count); 56 void (*set_dto)(struct radeon_device *rdev, 57 struct radeon_crtc *crtc, unsigned int clock); 58 void (*update_acr)(struct drm_encoder *encoder, long offset, 59 const struct radeon_hdmi_acr *acr); 60 void (*set_vbi_packet)(struct drm_encoder *encoder, u32 offset); 61 void (*set_color_depth)(struct drm_encoder *encoder, u32 offset, int bpc); 62 void (*set_avi_packet)(struct radeon_device *rdev, u32 offset, 63 unsigned char *buffer, size_t size); 64 void (*set_audio_packet)(struct drm_encoder *encoder, u32 offset); 65 void (*set_mute)(struct drm_encoder *encoder, u32 offset, bool mute); 66 void (*mode_set)(struct drm_encoder *encoder, 67 struct drm_display_mode *mode); 68 void (*dpms)(struct drm_encoder *encoder, bool mode); 69 }; 70 71 int radeon_audio_init(struct radeon_device *rdev); 72 void radeon_audio_detect(struct drm_connector *connector, 73 struct drm_encoder *encoder, 74 enum drm_connector_status status); 75 u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, 76 u32 offset, u32 reg); 77 void radeon_audio_endpoint_wreg(struct radeon_device *rdev, 78 u32 offset, u32 reg, u32 v); 79 struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder); 80 void radeon_audio_fini(struct radeon_device *rdev); 81 void radeon_audio_mode_set(struct drm_encoder *encoder, 82 struct drm_display_mode *mode); 83 void radeon_audio_dpms(struct drm_encoder *encoder, int mode); 84 unsigned int radeon_audio_decode_dfs_div(unsigned int div); 85 86 #endif 87