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
30struct cea_sad;
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
37struct 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
46struct 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
71int radeon_audio_init(struct radeon_device *rdev);
72void radeon_audio_detect(struct drm_connector *connector,
73			 struct drm_encoder *encoder,
74			 enum drm_connector_status status);
75u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
76	u32 offset, u32 reg);
77void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
78	u32 offset,	u32 reg, u32 v);
79struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
80void radeon_audio_fini(struct radeon_device *rdev);
81void radeon_audio_mode_set(struct drm_encoder *encoder,
82	struct drm_display_mode *mode);
83void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
84unsigned int radeon_audio_decode_dfs_div(unsigned int div);
85
86void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
87				struct cea_sad *sads, int sad_count);
88void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
89					       u8 *sadb, int sad_count);
90void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
91					     u8 *sadb, int sad_count);
92void dce3_2_audio_set_dto(struct radeon_device *rdev,
93			  struct radeon_crtc *crtc, unsigned int clock);
94void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
95			    const struct radeon_hdmi_acr *acr);
96void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);
97void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
98#endif