66  * struct &i915_audio_component_audio_ops @audio_ops is called from i915 driver.
191 static bool needs_wa_14020863754(struct drm_i915_private *i915)  in needs_wa_14020863754()  argument
193 	return (DISPLAY_VER(i915) == 20 || IS_BATTLEMAGE(i915));  in needs_wa_14020863754()
199 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);  in audio_config_hdmi_pixel_clock()  local
209 	if (DISPLAY_VER(i915) < 12 && adjusted_mode->crtc_clock > 148500)  in audio_config_hdmi_pixel_clock()
213 		drm_dbg_kms(&i915->drm,  in audio_config_hdmi_pixel_clock()
219 	drm_dbg_kms(&i915->drm,  in audio_config_hdmi_pixel_clock()
254 static int g4x_eld_buffer_size(struct drm_i915_private *i915)  in g4x_eld_buffer_size()  argument
258 	tmp = intel_de_read(i915, G4X_AUD_CNTL_ST);  in g4x_eld_buffer_size()
266 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_get_config()  local
271 	tmp = intel_de_read(i915, G4X_AUD_CNTL_ST);  in g4x_audio_codec_get_config()
275 	intel_de_rmw(i915, G4X_AUD_CNTL_ST, G4X_ELD_ADDRESS_MASK, 0);  in g4x_audio_codec_get_config()
277 	eld_buffer_size = g4x_eld_buffer_size(i915);  in g4x_audio_codec_get_config()
281 		eld[i] = intel_de_read(i915, G4X_HDMIW_HDMIEDID);  in g4x_audio_codec_get_config()
288 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_disable()  local
292 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_disable()
303 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in g4x_audio_codec_enable()  local
310 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_enable()
313 	eld_buffer_size = g4x_eld_buffer_size(i915);  in g4x_audio_codec_enable()
317 		intel_de_write(i915, G4X_HDMIW_HDMIEDID, eld[i]);  in g4x_audio_codec_enable()
319 		intel_de_write(i915, G4X_HDMIW_HDMIEDID, 0);  in g4x_audio_codec_enable()
321 	drm_WARN_ON(&i915->drm,  in g4x_audio_codec_enable()
322 		    (intel_de_read(i915, G4X_AUD_CNTL_ST) & G4X_ELD_ADDRESS_MASK) != 0);  in g4x_audio_codec_enable()
324 	intel_de_rmw(i915, G4X_AUD_CNTL_ST,  in g4x_audio_codec_enable()
332 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_dp_audio_config_update()  local
336 	intel_de_rmw(i915, HSW_AUD_CFG(cpu_transcoder),  in hsw_dp_audio_config_update()
350 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_hdmi_audio_config_update()  local
351 	struct i915_audio_component *acomp = i915->display.audio.component;  in hsw_hdmi_audio_config_update()
359 	tmp = intel_de_read(i915, HSW_AUD_CFG(cpu_transcoder));  in hsw_hdmi_audio_config_update()
367 		drm_dbg_kms(&i915->drm, "using N %d\n", n);  in hsw_hdmi_audio_config_update()
373 		drm_dbg_kms(&i915->drm, "using automatic N\n");  in hsw_hdmi_audio_config_update()
376 	intel_de_write(i915, HSW_AUD_CFG(cpu_transcoder), tmp);  in hsw_hdmi_audio_config_update()
382 	tmp = intel_de_read(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder));  in hsw_hdmi_audio_config_update()
385 	intel_de_write(i915, HSW_AUD_M_CTS_ENABLE(cpu_transcoder), tmp);  in hsw_hdmi_audio_config_update()
402 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_audio_codec_disable()  local
406 	mutex_lock(&i915->display.audio.mutex);  in hsw_audio_codec_disable()
409 	intel_de_rmw(i915, HSW_AUD_CFG(cpu_transcoder),  in hsw_audio_codec_disable()
418 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_disable()
425 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_disable()
428 	if (needs_wa_14020863754(i915))  in hsw_audio_codec_disable()
429 		intel_de_rmw(i915, AUD_CHICKENBIT_REG3, DACBE_DISABLE_MIN_HBLANK_FIX, 0);  in hsw_audio_codec_disable()
431 	mutex_unlock(&i915->display.audio.mutex);  in hsw_audio_codec_disable()
437 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in calc_hblank_early_prog()  local
449 	cdclk = i915->display.cdclk.hw.cdclk;  in calc_hblank_early_prog()
455 	drm_dbg_kms(&i915->drm,  in calc_hblank_early_prog()
500 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in enable_audio_dsc_wa()  local
505 	if (DISPLAY_VER(i915) < 11)  in enable_audio_dsc_wa()
508 	val = intel_de_read(i915, AUD_CONFIG_BE);  in enable_audio_dsc_wa()
510 	if (DISPLAY_VER(i915) == 11)  in enable_audio_dsc_wa()
512 	else if (DISPLAY_VER(i915) >= 12)  in enable_audio_dsc_wa()
539 	intel_de_write(i915, AUD_CONFIG_BE, val);  in enable_audio_dsc_wa()
546 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in hsw_audio_codec_enable()  local
550 	mutex_lock(&i915->display.audio.mutex);  in hsw_audio_codec_enable()
556 	if (needs_wa_14020863754(i915))  in hsw_audio_codec_enable()
557 		intel_de_rmw(i915, AUD_CHICKENBIT_REG3, 0, DACBE_DISABLE_MIN_HBLANK_FIX);  in hsw_audio_codec_enable()
560 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_enable()
566 	intel_de_rmw(i915, HSW_AUD_PIN_ELD_CP_VLD,  in hsw_audio_codec_enable()
577 	mutex_unlock(&i915->display.audio.mutex);  in hsw_audio_codec_enable()
584 static void ibx_audio_regs_init(struct drm_i915_private *i915,  in ibx_audio_regs_init()  argument
588 	if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) {  in ibx_audio_regs_init()
593 	} else if (HAS_PCH_CPT(i915)) {  in ibx_audio_regs_init()
598 	} else if (HAS_PCH_IBX(i915)) {  in ibx_audio_regs_init()
610 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_audio_codec_disable()  local
616 	if (drm_WARN_ON(&i915->drm, port == PORT_A))  in ibx_audio_codec_disable()
619 	ibx_audio_regs_init(i915, pipe, &regs);  in ibx_audio_codec_disable()
621 	mutex_lock(&i915->display.audio.mutex);  in ibx_audio_codec_disable()
624 	intel_de_rmw(i915, regs.aud_config,  in ibx_audio_codec_disable()
633 	intel_de_rmw(i915, regs.aud_cntrl_st2,  in ibx_audio_codec_disable()
636 	mutex_unlock(&i915->display.audio.mutex);  in ibx_audio_codec_disable()
646 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_audio_codec_enable()  local
652 	if (drm_WARN_ON(&i915->drm, port == PORT_A))  in ibx_audio_codec_enable()
657 	ibx_audio_regs_init(i915, pipe, &regs);  in ibx_audio_codec_enable()
659 	mutex_lock(&i915->display.audio.mutex);  in ibx_audio_codec_enable()
662 	intel_de_rmw(i915, regs.aud_cntrl_st2,  in ibx_audio_codec_enable()
671 	intel_de_rmw(i915, regs.aud_config,  in ibx_audio_codec_enable()
679 	mutex_unlock(&i915->display.audio.mutex);  in ibx_audio_codec_enable()
696 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_compute_config()  local
703 		drm_dbg_kms(&i915->drm,  in intel_audio_compute_config()
732 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_enable()  local
733 	struct i915_audio_component *acomp = i915->display.audio.component;  in intel_audio_codec_enable()
743 …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()
749 	if (i915->display.funcs.audio)  in intel_audio_codec_enable()
750 		i915->display.funcs.audio->audio_codec_enable(encoder,  in intel_audio_codec_enable()
754 	mutex_lock(&i915->display.audio.mutex);  in intel_audio_codec_enable()
756 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_audio_codec_enable()
762 	mutex_unlock(&i915->display.audio.mutex);  in intel_audio_codec_enable()
773 	intel_lpe_audio_notify(i915, cpu_transcoder, port, crtc_state->eld,  in intel_audio_codec_enable()
791 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_disable()  local
792 	struct i915_audio_component *acomp = i915->display.audio.component;  in intel_audio_codec_disable()
802 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s][ENCODER:%d:%s] Disable audio codec on [CRTC:%d:%s]\n",  in intel_audio_codec_disable()
807 	if (i915->display.funcs.audio)  in intel_audio_codec_disable()
808 		i915->display.funcs.audio->audio_codec_disable(encoder,  in intel_audio_codec_disable()
812 	mutex_lock(&i915->display.audio.mutex);  in intel_audio_codec_disable()
814 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_audio_codec_disable()
819 	mutex_unlock(&i915->display.audio.mutex);  in intel_audio_codec_disable()
830 	intel_lpe_audio_notify(i915, cpu_transcoder, port, NULL, 0, false);  in intel_audio_codec_disable()
836 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_acomp_get_config()  local
840 	mutex_lock(&i915->display.audio.mutex);  in intel_acomp_get_config()
842 	audio_state = &i915->display.audio.state[cpu_transcoder];  in intel_acomp_get_config()
847 	mutex_unlock(&i915->display.audio.mutex);  in intel_acomp_get_config()
853 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_audio_codec_get_config()  local
858 	if (i915->display.funcs.audio)  in intel_audio_codec_get_config()
859 		i915->display.funcs.audio->audio_codec_get_config(encoder, crtc_state);  in intel_audio_codec_get_config()
882  * @i915: device private
884 void intel_audio_hooks_init(struct drm_i915_private *i915)  in intel_audio_hooks_init()  argument
886 	if (IS_G4X(i915))  in intel_audio_hooks_init()
887 		i915->display.funcs.audio = &g4x_audio_funcs;  in intel_audio_hooks_init()
888 	else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915) ||  in intel_audio_hooks_init()
889 		 HAS_PCH_CPT(i915) || HAS_PCH_IBX(i915))  in intel_audio_hooks_init()
890 		i915->display.funcs.audio = &ibx_audio_funcs;  in intel_audio_hooks_init()
891 	else if (IS_HASWELL(i915) || DISPLAY_VER(i915) >= 8)  in intel_audio_hooks_init()
892 		i915->display.funcs.audio = &hsw_audio_funcs;  in intel_audio_hooks_init()
900 void intel_audio_cdclk_change_pre(struct drm_i915_private *i915)  in intel_audio_cdclk_change_pre()  argument
902 	if (DISPLAY_VER(i915) >= 13)  in intel_audio_cdclk_change_pre()
903 		intel_de_rmw(i915, AUD_TS_CDCLK_M, AUD_TS_CDCLK_M_EN, 0);  in intel_audio_cdclk_change_pre()
912 void intel_audio_cdclk_change_post(struct drm_i915_private *i915)  in intel_audio_cdclk_change_post()  argument
916 	if (DISPLAY_VER(i915) >= 13) {  in intel_audio_cdclk_change_post()
917 		get_aud_ts_cdclk_m_n(i915->display.cdclk.hw.ref, i915->display.cdclk.hw.cdclk, &aud_ts);  in intel_audio_cdclk_change_post()
919 		intel_de_write(i915, AUD_TS_CDCLK_N, aud_ts.n);  in intel_audio_cdclk_change_post()
920 		intel_de_write(i915, AUD_TS_CDCLK_M, aud_ts.m | AUD_TS_CDCLK_M_EN);  in intel_audio_cdclk_change_post()
921 		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()
946 static void glk_force_audio_cdclk(struct drm_i915_private *i915,  in glk_force_audio_cdclk()  argument
954 	crtc = intel_first_crtc(i915);  in glk_force_audio_cdclk()
959 	state = drm_atomic_state_alloc(&i915->drm);  in glk_force_audio_cdclk()
960 	if (drm_WARN_ON(&i915->drm, !state))  in glk_force_audio_cdclk()
975 	drm_WARN_ON(&i915->drm, ret);  in glk_force_audio_cdclk()
1033 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_get_power()  local
1039 	wakeref = intel_display_power_get(i915, POWER_DOMAIN_AUDIO_PLAYBACK);  in i915_audio_component_get_power()
1041 	if (i915->display.audio.power_refcount++ == 0) {  in i915_audio_component_get_power()
1042 		if (DISPLAY_VER(i915) >= 9) {  in i915_audio_component_get_power()
1043 			intel_de_write(i915, AUD_FREQ_CNTRL,  in i915_audio_component_get_power()
1044 				       i915->display.audio.freq_cntrl);  in i915_audio_component_get_power()
1045 			drm_dbg_kms(&i915->drm,  in i915_audio_component_get_power()
1047 				    i915->display.audio.freq_cntrl);  in i915_audio_component_get_power()
1051 		if (IS_GEMINILAKE(i915))  in i915_audio_component_get_power()
1052 			glk_force_audio_cdclk(i915, true);  in i915_audio_component_get_power()
1054 		if (DISPLAY_VER(i915) >= 10)  in i915_audio_component_get_power()
1055 			intel_de_rmw(i915, AUD_PIN_BUF_CTL,  in i915_audio_component_get_power()
1066 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_put_power()  local
1070 	if (--i915->display.audio.power_refcount == 0)  in i915_audio_component_put_power()
1071 		if (IS_GEMINILAKE(i915))  in i915_audio_component_put_power()
1072 			glk_force_audio_cdclk(i915, false);  in i915_audio_component_put_power()
1074 	intel_display_power_put(i915, POWER_DOMAIN_AUDIO_PLAYBACK, wakeref);  in i915_audio_component_put_power()
1081 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_codec_wake_override()  local
1084 	if (DISPLAY_VER(i915) < 9)  in i915_audio_component_codec_wake_override()
1093 	intel_de_rmw(i915, HSW_AUD_CHICKENBIT,  in i915_audio_component_codec_wake_override()
1098 		intel_de_rmw(i915, HSW_AUD_CHICKENBIT,  in i915_audio_component_codec_wake_override()
1110 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_get_cdclk_freq()  local
1112 	if (drm_WARN_ON_ONCE(&i915->drm, !HAS_DDI(i915)))  in i915_audio_component_get_cdclk_freq()
1115 	return i915->display.cdclk.hw.cdclk;  in i915_audio_component_get_cdclk_freq()
1127 static struct intel_audio_state *find_audio_state(struct drm_i915_private *i915,  in find_audio_state()  argument
1135 		if (drm_WARN_ON(&i915->drm,  in find_audio_state()
1136 				cpu_transcoder >= ARRAY_SIZE(i915->display.audio.state)))  in find_audio_state()
1139 		audio_state = &i915->display.audio.state[cpu_transcoder];  in find_audio_state()
1151 	for_each_cpu_transcoder(i915, cpu_transcoder) {  in find_audio_state()
1155 		audio_state = &i915->display.audio.state[cpu_transcoder];  in find_audio_state()
1170 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_sync_audio_rate()  local
1171 	struct i915_audio_component *acomp = i915->display.audio.component;  in i915_audio_component_sync_audio_rate()
1178 	if (!HAS_DDI(i915))  in i915_audio_component_sync_audio_rate()
1182 	mutex_lock(&i915->display.audio.mutex);  in i915_audio_component_sync_audio_rate()
1184 	audio_state = find_audio_state(i915, port, cpu_transcoder);  in i915_audio_component_sync_audio_rate()
1186 		drm_dbg_kms(&i915->drm, "Not valid for port %c\n", port_name(port));  in i915_audio_component_sync_audio_rate()
1203 	mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_sync_audio_rate()
1213 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_get_eld()  local
1217 	mutex_lock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1219 	audio_state = find_audio_state(i915, port, cpu_transcoder);  in i915_audio_component_get_eld()
1221 		drm_dbg_kms(&i915->drm, "Not valid for port %c\n", port_name(port));  in i915_audio_component_get_eld()
1222 		mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1234 	mutex_unlock(&i915->display.audio.mutex);  in i915_audio_component_get_eld()
1252 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_bind()  local
1256 	if (drm_WARN_ON(&i915->drm, acomp->base.ops || acomp->base.dev))  in i915_audio_component_bind()
1259 	if (drm_WARN_ON(&i915->drm,  in i915_audio_component_bind()
1264 	drm_modeset_lock_all(&i915->drm);  in i915_audio_component_bind()
1270 	i915->display.audio.component = acomp;  in i915_audio_component_bind()
1271 	drm_modeset_unlock_all(&i915->drm);  in i915_audio_component_bind()
1280 	struct drm_i915_private *i915 = to_i915(display->drm);  in i915_audio_component_unbind()  local
1283 	drm_modeset_lock_all(&i915->drm);  in i915_audio_component_unbind()
1286 	i915->display.audio.component = NULL;  in i915_audio_component_unbind()
1287 	drm_modeset_unlock_all(&i915->drm);  in i915_audio_component_unbind()
1291 	if (i915->display.audio.power_refcount)  in i915_audio_component_unbind()
1292 		drm_err(&i915->drm, "audio power refcount %d after unbind\n",  in i915_audio_component_unbind()
1293 			i915->display.audio.power_refcount);  in i915_audio_component_unbind()
1312  * @i915: i915 device instance
1326 static void i915_audio_component_init(struct drm_i915_private *i915)  in i915_audio_component_init()  argument
1330 	if (DISPLAY_VER(i915) >= 9) {  in i915_audio_component_init()
1331 		aud_freq_init = intel_de_read(i915, AUD_FREQ_CNTRL);  in i915_audio_component_init()
1333 		if (DISPLAY_VER(i915) >= 12)  in i915_audio_component_init()
1339 		if ((IS_TIGERLAKE(i915) || IS_ROCKETLAKE(i915)) &&  in i915_audio_component_init()
1343 		drm_dbg_kms(&i915->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n",  in i915_audio_component_init()
1346 		i915->display.audio.freq_cntrl = aud_freq;  in i915_audio_component_init()
1350 	intel_audio_cdclk_change_post(i915);  in i915_audio_component_init()
1353 static void i915_audio_component_register(struct drm_i915_private *i915)  in i915_audio_component_register()  argument
1357 	ret = component_add_typed(i915->drm.dev,  in i915_audio_component_register()
1361 		drm_err(&i915->drm,  in i915_audio_component_register()
1367 	i915->display.audio.component_registered = true;  in i915_audio_component_register()
1372  * @i915: i915 device instance
1377 static void i915_audio_component_cleanup(struct drm_i915_private *i915)  in i915_audio_component_cleanup()  argument
1379 	if (!i915->display.audio.component_registered)  in i915_audio_component_cleanup()
1382 	component_del(i915->drm.dev, &i915_audio_component_bind_ops);  in i915_audio_component_cleanup()
1383 	i915->display.audio.component_registered = false;  in i915_audio_component_cleanup()
1389  * @i915: the i915 drm device private data
1392 void intel_audio_init(struct drm_i915_private *i915)  in intel_audio_init()  argument
1394 	if (intel_lpe_audio_init(i915) < 0)  in intel_audio_init()
1395 		i915_audio_component_init(i915);  in intel_audio_init()
1398 void intel_audio_register(struct drm_i915_private *i915)  in intel_audio_register()  argument
1400 	if (!i915->display.audio.lpe.platdev)  in intel_audio_register()
1401 		i915_audio_component_register(i915);  in intel_audio_register()
1406  * @i915: the i915 drm device private data
1409 void intel_audio_deinit(struct drm_i915_private *i915)  in intel_audio_deinit()  argument
1411 	if (i915->display.audio.lpe.platdev != NULL)  in intel_audio_deinit()
1412 		intel_lpe_audio_teardown(i915);  in intel_audio_deinit()
1414 		i915_audio_component_cleanup(i915);  in intel_audio_deinit()