xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/radeon/radeon_audio.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2014 Advanced Micro Devices, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun  * all copies or substantial portions of the Software.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*4882a593Smuzhiyun  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4882a593Smuzhiyun  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4882a593Smuzhiyun  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4882a593Smuzhiyun  * OTHER DEALINGS IN THE SOFTWARE.
21*4882a593Smuzhiyun  *
22*4882a593Smuzhiyun  * Authors: Slava Grigorev <slava.grigorev@amd.com>
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #ifndef __RADEON_AUDIO_H__
26*4882a593Smuzhiyun #define __RADEON_AUDIO_H__
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #include <linux/types.h>
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define RREG32_ENDPOINT(block, reg)		\
31*4882a593Smuzhiyun 	radeon_audio_endpoint_rreg(rdev, (block), (reg))
32*4882a593Smuzhiyun #define WREG32_ENDPOINT(block, reg, v)	\
33*4882a593Smuzhiyun 	radeon_audio_endpoint_wreg(rdev, (block), (reg), (v))
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun struct radeon_audio_basic_funcs
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	u32  (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg);
38*4882a593Smuzhiyun 	void (*endpoint_wreg)(struct radeon_device *rdev,
39*4882a593Smuzhiyun 		u32 offset, u32 reg, u32 v);
40*4882a593Smuzhiyun 	void (*enable)(struct radeon_device *rdev,
41*4882a593Smuzhiyun 		struct r600_audio_pin *pin, u8 enable_mask);
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun struct radeon_audio_funcs
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun 	void (*select_pin)(struct drm_encoder *encoder);
47*4882a593Smuzhiyun 	struct r600_audio_pin* (*get_pin)(struct radeon_device *rdev);
48*4882a593Smuzhiyun 	void (*write_latency_fields)(struct drm_encoder *encoder,
49*4882a593Smuzhiyun 		struct drm_connector *connector, struct drm_display_mode *mode);
50*4882a593Smuzhiyun 	void (*write_sad_regs)(struct drm_encoder *encoder,
51*4882a593Smuzhiyun 		struct cea_sad *sads, int sad_count);
52*4882a593Smuzhiyun 	void (*write_speaker_allocation)(struct drm_encoder *encoder,
53*4882a593Smuzhiyun 		u8 *sadb, int sad_count);
54*4882a593Smuzhiyun 	void (*set_dto)(struct radeon_device *rdev,
55*4882a593Smuzhiyun 		struct radeon_crtc *crtc, unsigned int clock);
56*4882a593Smuzhiyun 	void (*update_acr)(struct drm_encoder *encoder, long offset,
57*4882a593Smuzhiyun 		const struct radeon_hdmi_acr *acr);
58*4882a593Smuzhiyun 	void (*set_vbi_packet)(struct drm_encoder *encoder, u32 offset);
59*4882a593Smuzhiyun 	void (*set_color_depth)(struct drm_encoder *encoder, u32 offset, int bpc);
60*4882a593Smuzhiyun 	void (*set_avi_packet)(struct radeon_device *rdev, u32 offset,
61*4882a593Smuzhiyun 		unsigned char *buffer, size_t size);
62*4882a593Smuzhiyun 	void (*set_audio_packet)(struct drm_encoder *encoder, u32 offset);
63*4882a593Smuzhiyun 	void (*set_mute)(struct drm_encoder *encoder, u32 offset, bool mute);
64*4882a593Smuzhiyun 	void (*mode_set)(struct drm_encoder *encoder,
65*4882a593Smuzhiyun 		struct drm_display_mode *mode);
66*4882a593Smuzhiyun 	void (*dpms)(struct drm_encoder *encoder, bool mode);
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun int radeon_audio_init(struct radeon_device *rdev);
70*4882a593Smuzhiyun void radeon_audio_detect(struct drm_connector *connector,
71*4882a593Smuzhiyun 			 struct drm_encoder *encoder,
72*4882a593Smuzhiyun 			 enum drm_connector_status status);
73*4882a593Smuzhiyun u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
74*4882a593Smuzhiyun 	u32 offset, u32 reg);
75*4882a593Smuzhiyun void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
76*4882a593Smuzhiyun 	u32 offset,	u32 reg, u32 v);
77*4882a593Smuzhiyun struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
78*4882a593Smuzhiyun void radeon_audio_fini(struct radeon_device *rdev);
79*4882a593Smuzhiyun void radeon_audio_mode_set(struct drm_encoder *encoder,
80*4882a593Smuzhiyun 	struct drm_display_mode *mode);
81*4882a593Smuzhiyun void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
82*4882a593Smuzhiyun unsigned int radeon_audio_decode_dfs_div(unsigned int div);
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun #endif
85