drm/radeon/radeon_audio.h

0001 /*
0002  * Copyright 2014 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: Slava Grigorev <slava.grigorev@amd.com>
0023  */
0024
0025 #ifndef __RADEON_AUDIO_H__
0026 #define __RADEON_AUDIO_H__
0027
0028 #include <linux/types.h>
0029
0030 #define RREG32_ENDPOINT(block, reg)     \
0031     radeon_audio_endpoint_rreg(rdev, (block), (reg))
0032 #define WREG32_ENDPOINT(block, reg, v)  \
0033     radeon_audio_endpoint_wreg(rdev, (block), (reg), (v))
0034
0035 struct radeon_audio_basic_funcs
0036 {
0037     u32  (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg);
0038     void (*endpoint_wreg)(struct radeon_device *rdev,
0039         u32 offset, u32 reg, u32 v);
0040     void (*enable)(struct radeon_device *rdev,
0041         struct r600_audio_pin *pin, u8 enable_mask);
0042 };
0043
0044 struct radeon_audio_funcs
0045 {
0046     void (*select_pin)(struct drm_encoder *encoder);
0047     struct r600_audio_pin* (*get_pin)(struct radeon_device *rdev);
0048     void (*write_latency_fields)(struct drm_encoder *encoder,
0049         struct drm_connector *connector, struct drm_display_mode *mode);
0050     void (*write_sad_regs)(struct drm_encoder *encoder,
0051         struct cea_sad *sads, int sad_count);
0052     void (*write_speaker_allocation)(struct drm_encoder *encoder,
0053         u8 *sadb, int sad_count);
0054     void (*set_dto)(struct radeon_device *rdev,
0055         struct radeon_crtc *crtc, unsigned int clock);
0056     void (*update_acr)(struct drm_encoder *encoder, long offset,
0057         const struct radeon_hdmi_acr *acr);
0058     void (*set_vbi_packet)(struct drm_encoder *encoder, u32 offset);
0059     void (*set_color_depth)(struct drm_encoder *encoder, u32 offset, int bpc);
0060     void (*set_avi_packet)(struct radeon_device *rdev, u32 offset,
0061         unsigned char *buffer, size_t size);
0062     void (*set_audio_packet)(struct drm_encoder *encoder, u32 offset);
0063     void (*set_mute)(struct drm_encoder *encoder, u32 offset, bool mute);
0064     void (*mode_set)(struct drm_encoder *encoder,
0065         struct drm_display_mode *mode);
0066     void (*dpms)(struct drm_encoder *encoder, bool mode);
0067 };
0068
0069 int radeon_audio_init(struct radeon_device *rdev);
0070 void radeon_audio_detect(struct drm_connector *connector,
0071              struct drm_encoder *encoder,
0072              enum drm_connector_status status);
0073 u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
0074     u32 offset, u32 reg);
0075 void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
0076     u32 offset, u32 reg, u32 v);
0077 struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
0078 void radeon_audio_fini(struct radeon_device *rdev);
0079 void radeon_audio_mode_set(struct drm_encoder *encoder,
0080     struct drm_display_mode *mode);
0081 void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
0082 unsigned int radeon_audio_decode_dfs_div(unsigned int div);
0083
0084 void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
0085                 struct cea_sad *sads, int sad_count);
0086 void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
0087                            u8 *sadb, int sad_count);
0088 void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
0089                          u8 *sadb, int sad_count);
0090 void dce3_2_audio_set_dto(struct radeon_device *rdev,
0091               struct radeon_crtc *crtc, unsigned int clock);
0092 void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
0093                 const struct radeon_hdmi_acr *acr);
0094 void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);
0095 void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
0096 #endif