65  * struct &i915_audio_component_audio_ops @audio_ops is called from i915 driver.
256 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);  in audio_config_hdmi_pixel_clock()  local
266 	if (DISPLAY_VER(i915) < 12 && adjusted_mode->crtc_clock > 148500)  in audio_config_hdmi_pixel_clock()
270 		drm_dbg_kms(&i915->drm,  in audio_config_hdmi_pixel_clock()
276 	drm_dbg_kms(&i915->drm,  in audio_config_hdmi_pixel_clock()
311 static int g4x_eld_buffer_size(struct drm_i915_private *i915)  in g4x_eld_buffer_size()  argument
315 	tmp = intel_de_read(i915, G4X_AUD_CNTL_ST);  in g4x_eld_buffer_size()
323 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_get_config()  local
328 	tmp = intel_de_read(i915, G4X_AUD_CNTL_ST);  in g4x_audio_codec_get_config()
332 	intel_de_rmw(i915, G4X_AUD_CNTL_ST, G4X_ELD_ADDRESS_MASK, 0);  in g4x_audio_codec_get_config()
334 	eld_buffer_size = g4x_eld_buffer_size(i915);  in g4x_audio_codec_get_config()
338 		eld[i] = intel_de_read(i915, G4X_HDMIW_HDMIEDID);  in g4x_audio_codec_get_config()
345 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_disable()  local
349 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_disable()
360 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_enable()  local
367 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_enable()
370 	eld_buffer_size = g4x_eld_buffer_size(i915);  in g4x_audio_codec_enable()
374 		intel_de_write(i915, G4X_HDMIW_HDMIEDID, eld[i]);  in g4x_audio_codec_enable()
376 		intel_de_write(i915, G4X_HDMIW_HDMIEDID, 0);  in g4x_audio_codec_enable()
378 	drm_WARN_ON(&i915->drm,  in g4x_audio_codec_enable()
379 		    (intel_de_read(i915, G4X_AUD_CNTL_ST) & G4X_ELD_ADDRESS_MASK) != 0);  in g4x_audio_codec_enable()
381 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_enable()
389 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_dp_audio_config_update()  local
390 	struct i915_audio_component *acomp = i915->display.audio.component;  in hsw_dp_audio_config_update()
400 		drm_dbg_kms(&i915->drm, "using Maud %u, Naud %u\n", nm->m,  in hsw_dp_audio_config_update()
403 		drm_dbg_kms(&i915->drm, "using automatic Maud, Naud\n");  in hsw_dp_audio_config_update()
405 	tmp = intel_de_read(i915, HSW_AUD_CFG(cpu_transcoder));  in hsw_dp_audio_config_update()
417 	intel_de_write(i915, HSW_AUD_CFG(cpu_transcoder), tmp);  in hsw_dp_audio_config_update()
419 	tmp = intel_de_read(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder));  in hsw_dp_audio_config_update()
430 	intel_de_write(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder), tmp);  in hsw_dp_audio_config_update()
437 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_hdmi_audio_config_update()  local
438 	struct i915_audio_component *acomp = i915->display.audio.component;  in hsw_hdmi_audio_config_update()
446 	tmp = intel_de_read(i915, HSW_AUD_CFG(cpu_transcoder));  in hsw_hdmi_audio_config_update()
454 		drm_dbg_kms(&i915->drm, "using N %d\n", n);  in hsw_hdmi_audio_config_update()
460 		drm_dbg_kms(&i915->drm, "using automatic N\n");  in hsw_hdmi_audio_config_update()
463 	intel_de_write(i915, HSW_AUD_CFG(cpu_transcoder), tmp);  in hsw_hdmi_audio_config_update()
469 	tmp = intel_de_read(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder));  in hsw_hdmi_audio_config_update()
472 	intel_de_write(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder), tmp);  in hsw_hdmi_audio_config_update()
489 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_audio_codec_disable()  local
493 	mutex_lock(&i915->display.audio.mutex);  in hsw_audio_codec_disable()
496 	intel_de_rmw(i915, HSW_AUD_CFG(cpu_transcoder),  in hsw_audio_codec_disable()
505 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_disable()
512 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_disable()
515 	mutex_unlock(&i915->display.audio.mutex);  in hsw_audio_codec_disable()
521 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in calc_hblank_early_prog()  local
533 	cdclk = i915->display.cdclk.hw.cdclk;  in calc_hblank_early_prog()
539 	drm_dbg_kms(&i915->drm,  in calc_hblank_early_prog()
584 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in enable_audio_dsc_wa()  local
589 	if (DISPLAY_VER(i915) < 11)  in enable_audio_dsc_wa()
592 	val = intel_de_read(i915, AUD_CONFIG_BE);  in enable_audio_dsc_wa()
594 	if (DISPLAY_VER(i915) == 11)  in enable_audio_dsc_wa()
596 	else if (DISPLAY_VER(i915) >= 12)  in enable_audio_dsc_wa()
623 	intel_de_write(i915, AUD_CONFIG_BE, val);  in enable_audio_dsc_wa()
630 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_audio_codec_enable()  local
634 	mutex_lock(&i915->display.audio.mutex);  in hsw_audio_codec_enable()
641 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_enable()
647 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_enable()
658 	mutex_unlock(&i915->display.audio.mutex);  in hsw_audio_codec_enable()
665 static void ibx_audio_regs_init(struct drm_i915_private *i915,  in ibx_audio_regs_init()  argument
669 	if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) {  in ibx_audio_regs_init()
674 	} else if (HAS_PCH_CPT(i915)) {  in ibx_audio_regs_init()
679 	} else if (HAS_PCH_IBX(i915)) {  in ibx_audio_regs_init()
691 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_audio_codec_disable()  local
697 	if (drm_WARN_ON(&i915->drm, port == PORT_A))  in ibx_audio_codec_disable()
700 	ibx_audio_regs_init(i915, pipe, &regs);  in ibx_audio_codec_disable()
702 	mutex_lock(&i915->display.audio.mutex);  in ibx_audio_codec_disable()
705 	intel_de_rmw(i915, regs.aud_config,  in ibx_audio_codec_disable()
714 	intel_de_rmw(i915, regs.aud_cntrl_st2,  in ibx_audio_codec_disable()
717 	mutex_unlock(&i915->display.audio.mutex);  in ibx_audio_codec_disable()
727 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_audio_codec_enable()  local
733 	if (drm_WARN_ON(&i915->drm, port == PORT_A))  in ibx_audio_codec_enable()
738 	ibx_audio_regs_init(i915, pipe, &regs);  in ibx_audio_codec_enable()
740 	mutex_lock(&i915->display.audio.mutex);  in ibx_audio_codec_enable()
743 	intel_de_rmw(i915, regs.aud_cntrl_st2,  in ibx_audio_codec_enable()
752 	intel_de_rmw(i915, regs.aud_config,  in ibx_audio_codec_enable()
760 	mutex_unlock(&i915->display.audio.mutex);  in ibx_audio_codec_enable()
766 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);  in intel_audio_sdp_split_update()  local
769 	if (HAS_DP20(i915))  in intel_audio_sdp_split_update()
770 		intel_de_rmw(i915, AUD_DP_2DOT0_CTRL(trans), AUD_ENABLE_SDP_SPLIT,  in intel_audio_sdp_split_update()
778 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_compute_config()  local
784 		drm_dbg_kms(&i915->drm,  in intel_audio_compute_config()
811 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_enable()  local
812 	struct i915_audio_component *acomp = i915->display.audio.component;  in intel_audio_codec_enable()
822 …drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s] Enable audio codec on [CRTC:%d:%s], %u b…  in intel_audio_codec_enable()
828 	if (i915->display.funcs.audio)  in intel_audio_codec_enable()
829 		i915->display.funcs.audio->audio_codec_enable(encoder,  in intel_audio_codec_enable()
833 	mutex_lock(&i915->display.audio.mutex);  in intel_audio_codec_enable()
835 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_audio_codec_enable()
841 	mutex_unlock(&i915->display.audio.mutex);  in intel_audio_codec_enable()
852 	intel_lpe_audio_notify(i915, cpu_transcoder, port, crtc_state->eld,  in intel_audio_codec_enable()
870 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_disable()  local
871 	struct i915_audio_component *acomp = i915->display.audio.component;  in intel_audio_codec_disable()
881 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s] Disable audio codec on [CRTC:%d:%s]\n",  in intel_audio_codec_disable()
886 	if (i915->display.funcs.audio)  in intel_audio_codec_disable()
887 		i915->display.funcs.audio->audio_codec_disable(encoder,  in intel_audio_codec_disable()
891 	mutex_lock(&i915->display.audio.mutex);  in intel_audio_codec_disable()
893 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_audio_codec_disable()
898 	mutex_unlock(&i915->display.audio.mutex);  in intel_audio_codec_disable()
909 	intel_lpe_audio_notify(i915, cpu_transcoder, port, NULL, 0, false);  in intel_audio_codec_disable()
915 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_acomp_get_config()  local
919 	mutex_lock(&i915->display.audio.mutex);  in intel_acomp_get_config()
921 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_acomp_get_config()
926 	mutex_unlock(&i915->display.audio.mutex);  in intel_acomp_get_config()
932 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_get_config()  local
937 	if (i915->display.funcs.audio)  in intel_audio_codec_get_config()
938 		i915->display.funcs.audio->audio_codec_get_config(encoder, crtc_state);  in intel_audio_codec_get_config()
961  * @i915: device private
963 void intel_audio_hooks_init(struct drm_i915_private *i915)  in intel_audio_hooks_init()  argument
965 	if (IS_G4X(i915))  in intel_audio_hooks_init()
966 		i915->display.funcs.audio = &g4x_audio_funcs;  in intel_audio_hooks_init()
967 	else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915) ||  in intel_audio_hooks_init()
968 		 HAS_PCH_CPT(i915) || HAS_PCH_IBX(i915))  in intel_audio_hooks_init()
969 		i915->display.funcs.audio = &ibx_audio_funcs;  in intel_audio_hooks_init()
970 	else if (IS_HASWELL(i915) || DISPLAY_VER(i915) >= 8)  in intel_audio_hooks_init()
971 		i915->display.funcs.audio = &hsw_audio_funcs;  in intel_audio_hooks_init()
979 void intel_audio_cdclk_change_pre(struct drm_i915_private *i915)  in intel_audio_cdclk_change_pre()  argument
981 	if (DISPLAY_VER(i915) >= 13)  in intel_audio_cdclk_change_pre()
982 		intel_de_rmw(i915, AUD_TS_CDCLK_M, AUD_TS_CDCLK_M_EN, 0);  in intel_audio_cdclk_change_pre()
991 void intel_audio_cdclk_change_post(struct drm_i915_private *i915)  in intel_audio_cdclk_change_post()  argument
995 	if (DISPLAY_VER(i915) >= 13) {  in intel_audio_cdclk_change_post()
996 		get_aud_ts_cdclk_m_n(i915->display.cdclk.hw.ref, i915->display.cdclk.hw.cdclk, &aud_ts);  in intel_audio_cdclk_change_post()
998 		intel_de_write(i915, AUD_TS_CDCLK_N, aud_ts.n);  in intel_audio_cdclk_change_post()
999 		intel_de_write(i915, AUD_TS_CDCLK_M, aud_ts.m | AUD_TS_CDCLK_M_EN);  in intel_audio_cdclk_change_post()
1000 		drm_dbg_kms(&i915->drm, "aud_ts_cdclk set to M=%u, N=%u\n", aud_ts.m, aud_ts.n);  in intel_audio_cdclk_change_post()
1025 static void glk_force_audio_cdclk(struct drm_i915_private *i915,  in glk_force_audio_cdclk()  argument
1033 	crtc = intel_first_crtc(i915);  in glk_force_audio_cdclk()
1038 	state = drm_atomic_state_alloc(&i915->drm);  in glk_force_audio_cdclk()
1039 	if (drm_WARN_ON(&i915->drm, !state))  in glk_force_audio_cdclk()
1054 	drm_WARN_ON(&i915->drm, ret);  in glk_force_audio_cdclk()
1064 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_get_power()  local
1070 	ret = intel_display_power_get(i915, POWER_DOMAIN_AUDIO_PLAYBACK);  in i915_audio_component_get_power()
1072 	if (i915->display.audio.power_refcount++ == 0) {  in i915_audio_component_get_power()
1073 		if (DISPLAY_VER(i915) >= 9) {  in i915_audio_component_get_power()
1074 			intel_de_write(i915, AUD_FREQ_CNTRL,  in i915_audio_component_get_power()
1075 				       i915->display.audio.freq_cntrl);  in i915_audio_component_get_power()
1076 			drm_dbg_kms(&i915->drm,  in i915_audio_component_get_power()
1078 				    i915->display.audio.freq_cntrl);  in i915_audio_component_get_power()
1082 		if (IS_GEMINILAKE(i915))  in i915_audio_component_get_power()
1083 			glk_force_audio_cdclk(i915, true);  in i915_audio_component_get_power()
1085 		if (DISPLAY_VER(i915) >= 10)  in i915_audio_component_get_power()
1086 			intel_de_rmw(i915, AUD_PIN_BUF_CTL,  in i915_audio_component_get_power()
1096 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_put_power()  local
1099 	if (--i915->display.audio.power_refcount == 0)  in i915_audio_component_put_power()
1100 		if (IS_GEMINILAKE(i915))  in i915_audio_component_put_power()
1101 			glk_force_audio_cdclk(i915, false);  in i915_audio_component_put_power()
1103 	intel_display_power_put(i915, POWER_DOMAIN_AUDIO_PLAYBACK, cookie);  in i915_audio_component_put_power()
1109 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_codec_wake_override()  local
1112 	if (DISPLAY_VER(i915) < 9)  in i915_audio_component_codec_wake_override()
1121 	intel_de_rmw(i915, HSW_AUD_CHICKENBIT,  in i915_audio_component_codec_wake_override()
1126 		intel_de_rmw(i915, HSW_AUD_CHICKENBIT,  in i915_audio_component_codec_wake_override()
1137 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_get_cdclk_freq()  local
1139 	if (drm_WARN_ON_ONCE(&i915->drm, !HAS_DDI(i915)))  in i915_audio_component_get_cdclk_freq()
1142 	return i915->display.cdclk.hw.cdclk;  in i915_audio_component_get_cdclk_freq()
1154 static struct intel_audio_state *find_audio_state(struct drm_i915_private *i915,  in find_audio_state()  argument
1162 		if (drm_WARN_ON(&i915->drm,  in find_audio_state()
1163 				cpu_transcoder >= ARRAY_SIZE(i915->display.audio.state)))  in find_audio_state()
1166 		audio_state = &i915->display.audio.state[cpu_transcoder];  in find_audio_state()
1178 	for_each_cpu_transcoder(i915, cpu_transcoder) {  in find_audio_state()
1182 		audio_state = &i915->display.audio.state[cpu_transcoder];  in find_audio_state()
1196 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_sync_audio_rate()  local
1197 	struct i915_audio_component *acomp = i915->display.audio.component;  in i915_audio_component_sync_audio_rate()
1204 	if (!HAS_DDI(i915))  in i915_audio_component_sync_audio_rate()
1208 	mutex_lock(&i915->display.audio.mutex);  in i915_audio_component_sync_audio_rate()
1210 	audio_state = find_audio_state(i915, port, cpu_transcoder);  in i915_audio_component_sync_audio_rate()
1212 		drm_dbg_kms(&i915->drm, "Not valid for port %c\n", port_name(port));  in i915_audio_component_sync_audio_rate()
1229 	mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_sync_audio_rate()
1238 	struct drm_i915_private *i915 = kdev_to_i915(kdev);  in i915_audio_component_get_eld()  local
1242 	mutex_lock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1244 	audio_state = find_audio_state(i915, port, cpu_transcoder);  in i915_audio_component_get_eld()
1246 		drm_dbg_kms(&i915->drm, "Not valid for port %c\n", port_name(port));  in i915_audio_component_get_eld()
1247 		mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1259 	mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1277 	struct drm_i915_private *i915 = kdev_to_i915(i915_kdev);  in i915_audio_component_bind()  local
1280 	if (drm_WARN_ON(&i915->drm, acomp->base.ops || acomp->base.dev))  in i915_audio_component_bind()
1283 	if (drm_WARN_ON(&i915->drm,  in i915_audio_component_bind()
1288 	drm_modeset_lock_all(&i915->drm);  in i915_audio_component_bind()
1294 	i915->display.audio.component = acomp;  in i915_audio_component_bind()
1295 	drm_modeset_unlock_all(&i915->drm);  in i915_audio_component_bind()
1304 	struct drm_i915_private *i915 = kdev_to_i915(i915_kdev);  in i915_audio_component_unbind()  local
1306 	drm_modeset_lock_all(&i915->drm);  in i915_audio_component_unbind()
1309 	i915->display.audio.component = NULL;  in i915_audio_component_unbind()
1310 	drm_modeset_unlock_all(&i915->drm);  in i915_audio_component_unbind()
1314 	if (i915->display.audio.power_refcount)  in i915_audio_component_unbind()
1315 		drm_err(&i915->drm, "audio power refcount %d after unbind\n",  in i915_audio_component_unbind()
1316 			i915->display.audio.power_refcount);  in i915_audio_component_unbind()
1335  * @i915: i915 device instance
1349 static void i915_audio_component_init(struct drm_i915_private *i915)  in i915_audio_component_init()  argument
1354 	ret = component_add_typed(i915->drm.dev,  in i915_audio_component_init()
1358 		drm_err(&i915->drm,  in i915_audio_component_init()
1364 	if (DISPLAY_VER(i915) >= 9) {  in i915_audio_component_init()
1365 		aud_freq_init = intel_de_read(i915, AUD_FREQ_CNTRL);  in i915_audio_component_init()
1367 		if (DISPLAY_VER(i915) >= 12)  in i915_audio_component_init()
1373 		if ((IS_TIGERLAKE(i915) || IS_ROCKETLAKE(i915)) &&  in i915_audio_component_init()
1377 		drm_dbg_kms(&i915->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n",  in i915_audio_component_init()
1380 		i915->display.audio.freq_cntrl = aud_freq;  in i915_audio_component_init()
1384 	intel_audio_cdclk_change_post(i915);  in i915_audio_component_init()
1386 	i915->display.audio.component_registered = true;  in i915_audio_component_init()
1391  * @i915: i915 device instance
1396 static void i915_audio_component_cleanup(struct drm_i915_private *i915)  in i915_audio_component_cleanup()  argument
1398 	if (!i915->display.audio.component_registered)  in i915_audio_component_cleanup()
1401 	component_del(i915->drm.dev, &i915_audio_component_bind_ops);  in i915_audio_component_cleanup()
1402 	i915->display.audio.component_registered = false;  in i915_audio_component_cleanup()
1408  * @i915: the i915 drm device private data
1411 void intel_audio_init(struct drm_i915_private *i915)  in intel_audio_init()  argument
1413 	if (intel_lpe_audio_init(i915) < 0)  in intel_audio_init()
1414 		i915_audio_component_init(i915);  in intel_audio_init()
1419  * @i915: the i915 drm device private data
1422 void intel_audio_deinit(struct drm_i915_private *i915)  in intel_audio_deinit()  argument
1424 	if (i915->display.audio.lpe.platdev != NULL)  in intel_audio_deinit()
1425 		intel_lpe_audio_teardown(i915);  in intel_audio_deinit()
1427 		i915_audio_component_cleanup(i915);  in intel_audio_deinit()