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      1 /*	$NetBSD: radeon_audio.h,v 1.3 2021/12/18 23:45:43 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2014 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: Slava Grigorev <slava.grigorev (at) amd.com>
     25  */
     26 
     27 #ifndef __RADEON_AUDIO_H__
     28 #define __RADEON_AUDIO_H__
     29 
     30 #include <linux/types.h>
     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 
     37 struct 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 
     46 struct 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 
     71 int radeon_audio_init(struct radeon_device *rdev);
     72 void radeon_audio_detect(struct drm_connector *connector,
     73 			 struct drm_encoder *encoder,
     74 			 enum drm_connector_status status);
     75 u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
     76 	u32 offset, u32 reg);
     77 void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
     78 	u32 offset,	u32 reg, u32 v);
     79 struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
     80 void radeon_audio_fini(struct radeon_device *rdev);
     81 void radeon_audio_mode_set(struct drm_encoder *encoder,
     82 	struct drm_display_mode *mode);
     83 void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
     84 unsigned int radeon_audio_decode_dfs_div(unsigned int div);
     85 
     86 #endif
     87