diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_audio.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_audio.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_audio.h b/drivers/gpu/drm/radeon/radeon_audio.h new file mode 100644 index 000000000000..c92d059ab204 --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_audio.h @@ -0,0 +1,84 @@ +/* + * 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, + 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_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, u8 enable_mask); +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); + +#endif |