46 static void dp_audio_stream_sdp(struct dp_audio_private *audio)  in dp_audio_stream_sdp()  argument
48 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_stream_sdp()
60 	drm_dbg_dp(audio->drm_dev,  in dp_audio_stream_sdp()
73 	drm_dbg_dp(audio->drm_dev,  in dp_audio_stream_sdp()
84 	new_value = audio->channels - 1;  in dp_audio_stream_sdp()
88 	drm_dbg_dp(audio->drm_dev,  in dp_audio_stream_sdp()
96 static void dp_audio_timestamp_sdp(struct dp_audio_private *audio)  in dp_audio_timestamp_sdp()  argument
98 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_timestamp_sdp()
110 	drm_dbg_dp(audio->drm_dev,  in dp_audio_timestamp_sdp()
124 	drm_dbg_dp(audio->drm_dev,  in dp_audio_timestamp_sdp()
138 	drm_dbg_dp(audio->drm_dev,  in dp_audio_timestamp_sdp()
145 static void dp_audio_infoframe_sdp(struct dp_audio_private *audio)  in dp_audio_infoframe_sdp()  argument
147 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_infoframe_sdp()
159 	drm_dbg_dp(audio->drm_dev,  in dp_audio_infoframe_sdp()
173 	drm_dbg_dp(audio->drm_dev,  in dp_audio_infoframe_sdp()
187 	drm_dbg_dp(audio->drm_dev,  in dp_audio_infoframe_sdp()
194 static void dp_audio_copy_management_sdp(struct dp_audio_private *audio)  in dp_audio_copy_management_sdp()  argument
196 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_copy_management_sdp()
208 	drm_dbg_dp(audio->drm_dev,  in dp_audio_copy_management_sdp()
222 	drm_dbg_dp(audio->drm_dev,  in dp_audio_copy_management_sdp()
236 	drm_dbg_dp(audio->drm_dev,  in dp_audio_copy_management_sdp()
243 static void dp_audio_isrc_sdp(struct dp_audio_private *audio)  in dp_audio_isrc_sdp()  argument
245 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_isrc_sdp()
257 	drm_dbg_dp(audio->drm_dev,  in dp_audio_isrc_sdp()
271 	drm_dbg_dp(audio->drm_dev,  in dp_audio_isrc_sdp()
278 static void dp_audio_setup_sdp(struct dp_audio_private *audio)  in dp_audio_setup_sdp()  argument
280 	dp_catalog_audio_config_sdp(audio->catalog);  in dp_audio_setup_sdp()
282 	dp_audio_stream_sdp(audio);  in dp_audio_setup_sdp()
283 	dp_audio_timestamp_sdp(audio);  in dp_audio_setup_sdp()
284 	dp_audio_infoframe_sdp(audio);  in dp_audio_setup_sdp()
285 	dp_audio_copy_management_sdp(audio);  in dp_audio_setup_sdp()
286 	dp_audio_isrc_sdp(audio);  in dp_audio_setup_sdp()
289 static void dp_audio_setup_acr(struct dp_audio_private *audio)  in dp_audio_setup_acr()  argument
292 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_setup_acr()
294 	switch (audio->dp_audio.bw_code) {  in dp_audio_setup_acr()
308 		drm_dbg_dp(audio->drm_dev, "Unknown link rate\n");  in dp_audio_setup_acr()
316 static void dp_audio_safe_to_exit_level(struct dp_audio_private *audio)  in dp_audio_safe_to_exit_level()  argument
318 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_safe_to_exit_level()
321 	switch (audio->dp_audio.lane_count) {  in dp_audio_safe_to_exit_level()
332 		drm_dbg_dp(audio->drm_dev,  in dp_audio_safe_to_exit_level()
342 static void dp_audio_enable(struct dp_audio_private *audio, bool enable)  in dp_audio_enable()  argument
344 	struct dp_catalog *catalog = audio->catalog;  in dp_audio_enable()
429 	struct dp_audio_private *audio;  in dp_audio_hw_params()  local
439 	 * unclocked access as the audio subsystem relies on the DP  in dp_audio_hw_params()
449 	audio = dp_audio_get_data(pdev);  in dp_audio_hw_params()
450 	if (IS_ERR(audio)) {  in dp_audio_hw_params()
451 		rc = PTR_ERR(audio);  in dp_audio_hw_params()
455 	audio->channels = params->channels;  in dp_audio_hw_params()
457 	dp_audio_setup_sdp(audio);  in dp_audio_hw_params()
458 	dp_audio_setup_acr(audio);  in dp_audio_hw_params()
459 	dp_audio_safe_to_exit_level(audio);  in dp_audio_hw_params()
460 	dp_audio_enable(audio, true);  in dp_audio_hw_params()
470 	struct dp_audio_private *audio;  in dp_audio_shutdown()  local
476 	audio = dp_audio_get_data(pdev);  in dp_audio_shutdown()
477 	if (IS_ERR(audio)) {  in dp_audio_shutdown()
478 		DRM_ERROR("failed to get audio data\n");  in dp_audio_shutdown()
483 	 * if audio was not enabled there is no need  in dp_audio_shutdown()
486 	 * access when audio subsystem calls this without DP being  in dp_audio_shutdown()
493 	dp_audio_enable(audio, false);  in dp_audio_shutdown()
544 	struct dp_audio_private *audio;  in dp_audio_get()  local
553 	audio = devm_kzalloc(&pdev->dev, sizeof(*audio), GFP_KERNEL);  in dp_audio_get()
554 	if (!audio) {  in dp_audio_get()
559 	audio->pdev = pdev;  in dp_audio_get()
560 	audio->catalog = catalog;  in dp_audio_get()
562 	dp_audio = &audio->dp_audio;  in dp_audio_get()
573 	struct dp_audio_private *audio;  in dp_audio_put()  local
578 	audio = container_of(dp_audio, struct dp_audio_private, dp_audio);  in dp_audio_put()
580 	devm_kfree(&audio->pdev->dev, audio);  in dp_audio_put()