92 static void set_audio_registers(struct cx88_core *core, const struct rlist *l)  in set_audio_registers()  argument
113 static void set_audio_start(struct cx88_core *core, u32 mode)  in set_audio_start()  argument
124 static void set_audio_finish(struct cx88_core *core, u32 ctl)  in set_audio_finish()  argument
129 	cx88_stop_audio_dma(core);  in set_audio_finish()
131 	cx88_start_audio_dma(core);  in set_audio_finish()
133 	if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {  in set_audio_finish()
145 	if ((always_analog) || (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))) {  in set_audio_finish()
157 	core->last_change = jiffies;  in set_audio_finish()
162 static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap,  in set_audio_standard_BTSC()  argument
261 		set_audio_start(core, SEL_SAP);  in set_audio_standard_BTSC()
262 		set_audio_registers(core, btsc_sap);  in set_audio_standard_BTSC()
263 		set_audio_finish(core, mode);  in set_audio_standard_BTSC()
266 		set_audio_start(core, SEL_BTSC);  in set_audio_standard_BTSC()
267 		set_audio_registers(core, btsc);  in set_audio_standard_BTSC()
268 		set_audio_finish(core, mode);  in set_audio_standard_BTSC()
272 static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)  in set_audio_standard_NICAM()  argument
343 	set_audio_start(core, SEL_NICAM);  in set_audio_standard_NICAM()
344 	switch (core->tvaudio) {  in set_audio_standard_NICAM()
347 		set_audio_registers(core, nicam_l);  in set_audio_standard_NICAM()
351 		set_audio_registers(core, nicam_bgdki_common);  in set_audio_standard_NICAM()
352 		set_audio_registers(core, nicam_i);  in set_audio_standard_NICAM()
364 		set_audio_registers(core, nicam_bgdki_common);  in set_audio_standard_NICAM()
365 		set_audio_registers(core, nicam_default);  in set_audio_standard_NICAM()
370 	set_audio_finish(core, mode);  in set_audio_standard_NICAM()
373 static void set_audio_standard_A2(struct cx88_core *core, u32 mode)  in set_audio_standard_A2()  argument
600 	set_audio_start(core, SEL_A2);  in set_audio_standard_A2()
601 	switch (core->tvaudio) {  in set_audio_standard_A2()
604 		set_audio_registers(core, a2_bgdk_common);  in set_audio_standard_A2()
605 		set_audio_registers(core, a2_bg);  in set_audio_standard_A2()
606 		set_audio_registers(core, a2_deemph50);  in set_audio_standard_A2()
610 		set_audio_registers(core, a2_bgdk_common);  in set_audio_standard_A2()
611 		set_audio_registers(core, a2_dk);  in set_audio_standard_A2()
612 		set_audio_registers(core, a2_deemph50);  in set_audio_standard_A2()
616 		set_audio_registers(core, a1_i);  in set_audio_standard_A2()
617 		set_audio_registers(core, a2_deemph50);  in set_audio_standard_A2()
621 		set_audio_registers(core, am_l);  in set_audio_standard_A2()
635 	set_audio_finish(core, mode);  in set_audio_standard_A2()
638 static void set_audio_standard_EIAJ(struct cx88_core *core)  in set_audio_standard_EIAJ()  argument
647 	set_audio_start(core, SEL_EIAJ);  in set_audio_standard_EIAJ()
648 	set_audio_registers(core, eiaj);  in set_audio_standard_EIAJ()
649 	set_audio_finish(core, EN_EIAJ_AUTO_STEREO);  in set_audio_standard_EIAJ()
652 static void set_audio_standard_FM(struct cx88_core *core,  in set_audio_standard_FM()  argument
702 	set_audio_start(core, SEL_FMRADIO);  in set_audio_standard_FM()
707 		set_audio_registers(core, fm_no_deemph);  in set_audio_standard_FM()
711 		set_audio_registers(core, fm_deemph_50);  in set_audio_standard_FM()
715 		set_audio_registers(core, fm_deemph_75);  in set_audio_standard_FM()
719 	set_audio_finish(core, EN_FMRADIO_AUTO_STEREO);  in set_audio_standard_FM()
724 static int cx88_detect_nicam(struct cx88_core *core)  in cx88_detect_nicam()  argument
747 void cx88_set_tvaudio(struct cx88_core *core)  in cx88_set_tvaudio()  argument
749 	switch (core->tvaudio) {  in cx88_set_tvaudio()
751 		set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);  in cx88_set_tvaudio()
759 		set_audio_standard_A2(core, EN_A2_FORCE_MONO1);  in cx88_set_tvaudio()
765 		set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO);  in cx88_set_tvaudio()
766 		if (cx88_detect_nicam(core) == 0) {  in cx88_set_tvaudio()
768 			set_audio_standard_A2(core, EN_A2_FORCE_MONO1);  in cx88_set_tvaudio()
769 			core->audiomode_current = V4L2_TUNER_MODE_MONO;  in cx88_set_tvaudio()
770 			core->use_nicam = 0;  in cx88_set_tvaudio()
772 			core->use_nicam = 1;  in cx88_set_tvaudio()
776 		set_audio_standard_EIAJ(core);  in cx88_set_tvaudio()
779 		set_audio_standard_FM(core, radio_deemphasis);  in cx88_set_tvaudio()
782 		set_audio_start(core, 0x01);  in cx88_set_tvaudio()
788 		cx_write(AUD_I2SINPUTCNTL, core->board.i2sinputcntl);  in cx88_set_tvaudio()
791 		set_audio_finish(core, EN_I2SIN_ENABLE);  in cx88_set_tvaudio()
795 		pr_info("unknown tv audio mode [%d]\n", core->tvaudio);  in cx88_set_tvaudio()
801 void cx88_newstation(struct cx88_core *core)  in cx88_newstation()  argument
803 	core->audiomode_manual = UNSET;  in cx88_newstation()
804 	core->last_change = jiffies;  in cx88_newstation()
808 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)  in cx88_get_stereo()  argument
820 	if (core->astat != reg)  in cx88_get_stereo()
824 	core->astat = reg;  in cx88_get_stereo()
846 	switch (core->tvaudio) {  in cx88_get_stereo()
852 		if (!core->use_nicam) {  in cx88_get_stereo()
853 			t->rxsubchans = cx88_dsp_detect_stereo_sap(core);  in cx88_get_stereo()
881 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)  in cx88_set_stereo()  argument
887 		core->audiomode_manual = mode;  in cx88_set_stereo()
889 		if (core->audiomode_manual != UNSET)  in cx88_set_stereo()
892 	core->audiomode_current = mode;  in cx88_set_stereo()
894 	switch (core->tvaudio) {  in cx88_set_stereo()
898 			set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_MONO);  in cx88_set_stereo()
901 			set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);  in cx88_set_stereo()
904 			set_audio_standard_BTSC(core, 1, EN_BTSC_FORCE_SAP);  in cx88_set_stereo()
908 			set_audio_standard_BTSC(core, 0, EN_BTSC_FORCE_STEREO);  in cx88_set_stereo()
917 		if (core->use_nicam == 1) {  in cx88_set_stereo()
921 				set_audio_standard_NICAM(core,  in cx88_set_stereo()
925 				set_audio_standard_NICAM(core,  in cx88_set_stereo()
930 				set_audio_standard_NICAM(core,  in cx88_set_stereo()
935 			if ((core->tvaudio == WW_I) ||  in cx88_set_stereo()
936 			    (core->tvaudio == WW_L)) {  in cx88_set_stereo()
938 				set_audio_standard_A2(core, EN_A2_FORCE_MONO1);  in cx88_set_stereo()
989 	struct cx88_core *core = data;  in cx88_audio_thread()  local
1001 		switch (core->tvaudio) {  in cx88_audio_thread()
1007 			if (core->use_nicam)  in cx88_audio_thread()
1012 			cx88_get_stereo(core, &t);  in cx88_audio_thread()
1014 			if (core->audiomode_manual != UNSET)  in cx88_audio_thread()
1023 			if (mode == core->audiomode_current)  in cx88_audio_thread()
1026 			cx88_set_stereo(core, mode, 0);  in cx88_audio_thread()