Move encoding of DFS (digital frequency synthesizer) divider into a separate function and improve calculation precision. Signed-off-by: Slava Grigorev <slava.grigorev@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
		
			
				
	
	
		
			85 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright 2014 Advanced Micro Devices, Inc.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | |
|  * and/or sell copies of the Software, and to permit persons to whom the
 | |
|  * Software is furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice shall be included in
 | |
|  * all copies or substantial portions of the Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | |
|  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 | |
|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 | |
|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 | |
|  * OTHER DEALINGS IN THE SOFTWARE.
 | |
|  *
 | |
|  * Authors: Slava Grigorev <slava.grigorev@amd.com>
 | |
|  */
 | |
| 
 | |
| #ifndef __RADEON_AUDIO_H__
 | |
| #define __RADEON_AUDIO_H__
 | |
| 
 | |
| #include <linux/types.h>
 | |
| 
 | |
| #define RREG32_ENDPOINT(block, reg)		\
 | |
| 	radeon_audio_endpoint_rreg(rdev, (block), (reg))
 | |
| #define WREG32_ENDPOINT(block, reg, v)	\
 | |
| 	radeon_audio_endpoint_wreg(rdev, (block), (reg), (v))
 | |
| 
 | |
| struct radeon_audio_basic_funcs
 | |
| {
 | |
| 	u32  (*endpoint_rreg)(struct radeon_device *rdev, u32 offset, u32 reg);
 | |
| 	void (*endpoint_wreg)(struct radeon_device *rdev,
 | |
| 		u32 offset, u32 reg, u32 v);
 | |
| 	void (*enable)(struct radeon_device *rdev,
 | |
| 		struct r600_audio_pin *pin, u8 enable_mask);
 | |
| };
 | |
| 
 | |
| struct radeon_audio_funcs
 | |
| {
 | |
| 	void (*select_pin)(struct drm_encoder *encoder);
 | |
| 	struct r600_audio_pin* (*get_pin)(struct radeon_device *rdev);
 | |
| 	void (*write_latency_fields)(struct drm_encoder *encoder,
 | |
| 		struct drm_connector *connector, struct drm_display_mode *mode);
 | |
| 	void (*write_sad_regs)(struct drm_encoder *encoder,
 | |
| 		struct cea_sad *sads, int sad_count);
 | |
| 	void (*write_speaker_allocation)(struct drm_encoder *encoder,
 | |
| 		u8 *sadb, int sad_count);
 | |
| 	void (*set_dto)(struct radeon_device *rdev,
 | |
| 		struct radeon_crtc *crtc, unsigned int clock);
 | |
| 	void (*update_acr)(struct drm_encoder *encoder, long offset,
 | |
| 		const struct radeon_hdmi_acr *acr);
 | |
| 	void (*set_vbi_packet)(struct drm_encoder *encoder, u32 offset);
 | |
| 	void (*set_color_depth)(struct drm_encoder *encoder, u32 offset, int bpc);
 | |
| 	void (*set_avi_packet)(struct radeon_device *rdev, u32 offset,
 | |
| 		unsigned char *buffer, size_t size);
 | |
| 	void (*set_audio_packet)(struct drm_encoder *encoder, u32 offset);
 | |
| 	void (*set_mute)(struct drm_encoder *encoder, u32 offset, bool mute);
 | |
| 	void (*mode_set)(struct drm_encoder *encoder,
 | |
| 		struct drm_display_mode *mode);
 | |
| 	void (*dpms)(struct drm_encoder *encoder, bool mode);
 | |
| };
 | |
| 
 | |
| int radeon_audio_init(struct radeon_device *rdev);
 | |
| void radeon_audio_detect(struct drm_connector *connector,
 | |
| 			 struct drm_encoder *encoder,
 | |
| 			 enum drm_connector_status status);
 | |
| u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev,
 | |
| 	u32 offset, u32 reg);
 | |
| void radeon_audio_endpoint_wreg(struct radeon_device *rdev,
 | |
| 	u32 offset,	u32 reg, u32 v);
 | |
| struct r600_audio_pin *radeon_audio_get_pin(struct drm_encoder *encoder);
 | |
| void radeon_audio_fini(struct radeon_device *rdev);
 | |
| void radeon_audio_mode_set(struct drm_encoder *encoder,
 | |
| 	struct drm_display_mode *mode);
 | |
| void radeon_audio_dpms(struct drm_encoder *encoder, int mode);
 | |
| unsigned int radeon_audio_decode_dfs_div(unsigned int div);
 | |
| 
 | |
| #endif
 |