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