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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 a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice shall be included in
  12.  * all copies or substantial portions of the Software.
  13.  *
  14.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18.  * 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 OR
  20.  * 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.  
  30. #define RREG32_ENDPOINT(block, reg)             \
  31.         radeon_audio_endpoint_rreg(rdev, (block), (reg))
  32. #define WREG32_ENDPOINT(block, reg, v)  \
  33.         radeon_audio_endpoint_wreg(rdev, (block), (reg), (v))
  34.  
  35. struct radeon_audio_basic_funcs
  36. {
  37.         u32  (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg);
  38.         void (*endpoint_wreg)(struct radeon_device *rdev,
  39.                 u32 offset, u32 reg, u32 v);
  40.         void (*enable)(struct radeon_device *rdev,
  41.                 struct r600_audio_pin *pin, u8 enable_mask);
  42. };
  43.  
  44. struct radeon_audio_funcs
  45. {
  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.  
  69. int radeon_audio_init(struct radeon_device *rdev);
  70. void radeon_audio_detect(struct drm_connector *connector,
  71.                          struct drm_encoder *encoder,
  72.                          enum drm_connector_status status);
  73. u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
  74.         u32 offset, u32 reg);
  75. void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
  76.         u32 offset,     u32 reg, u32 v);
  77. struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
  78. void radeon_audio_fini(struct radeon_device *rdev);
  79. void radeon_audio_mode_set(struct drm_encoder *encoder,
  80.         struct drm_display_mode *mode);
  81. void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
  82. unsigned int radeon_audio_decode_dfs_div(unsigned int div);
  83.  
  84. #endif
  85.