LXR linux/drivers/gpu/drm/radeon/radeon

   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
  35struct 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
  44struct 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
  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
  84#endif
  85