859 		struct esschan *es;  in snd_es1968_bob_dec()  local
860 		list_for_each_entry(es, &chip->substream_list, list) {  in snd_es1968_bob_dec()
861 			if (max_freq < es->bob_freq)  in snd_es1968_bob_dec()
862 				max_freq = es->bob_freq;  in snd_es1968_bob_dec()
873 snd_es1968_calc_bob_rate(struct es1968 *chip, struct esschan *es,  in snd_es1968_calc_bob_rate()  argument
878 	if (es->fmt & ESS_FMT_STEREO)  in snd_es1968_calc_bob_rate()
880 	if (es->fmt & ESS_FMT_16BIT)  in snd_es1968_calc_bob_rate()
882 	freq /= es->frag_size;  in snd_es1968_calc_bob_rate()
907 snd_es1968_get_dma_ptr(struct es1968 *chip, struct esschan *es)  in snd_es1968_get_dma_ptr()  argument
911 	offset = apu_get_register(chip, es->apu[0], 5);  in snd_es1968_get_dma_ptr()
913 	offset -= es->base[0];  in snd_es1968_get_dma_ptr()
935 static void snd_es1968_pcm_start(struct es1968 *chip, struct esschan *es)  in snd_es1968_pcm_start()  argument
938 	__apu_set_register(chip, es->apu[0], 5, es->base[0]);  in snd_es1968_pcm_start()
939 	snd_es1968_trigger_apu(chip, es->apu[0], es->apu_mode[0]);  in snd_es1968_pcm_start()
940 	if (es->mode == ESM_MODE_CAPTURE) {  in snd_es1968_pcm_start()
941 		__apu_set_register(chip, es->apu[2], 5, es->base[2]);  in snd_es1968_pcm_start()
942 		snd_es1968_trigger_apu(chip, es->apu[2], es->apu_mode[2]);  in snd_es1968_pcm_start()
944 	if (es->fmt & ESS_FMT_STEREO) {  in snd_es1968_pcm_start()
945 		__apu_set_register(chip, es->apu[1], 5, es->base[1]);  in snd_es1968_pcm_start()
946 		snd_es1968_trigger_apu(chip, es->apu[1], es->apu_mode[1]);  in snd_es1968_pcm_start()
947 		if (es->mode == ESM_MODE_CAPTURE) {  in snd_es1968_pcm_start()
948 			__apu_set_register(chip, es->apu[3], 5, es->base[3]);  in snd_es1968_pcm_start()
949 			snd_es1968_trigger_apu(chip, es->apu[3], es->apu_mode[3]);  in snd_es1968_pcm_start()
955 static void snd_es1968_pcm_stop(struct es1968 *chip, struct esschan *es)  in snd_es1968_pcm_stop()  argument
958 	snd_es1968_trigger_apu(chip, es->apu[0], 0);  in snd_es1968_pcm_stop()
959 	snd_es1968_trigger_apu(chip, es->apu[1], 0);  in snd_es1968_pcm_stop()
960 	if (es->mode == ESM_MODE_CAPTURE) {  in snd_es1968_pcm_stop()
961 		snd_es1968_trigger_apu(chip, es->apu[2], 0);  in snd_es1968_pcm_stop()
962 		snd_es1968_trigger_apu(chip, es->apu[3], 0);  in snd_es1968_pcm_stop()
968 static void snd_es1968_program_wavecache(struct es1968 *chip, struct esschan *es,  in snd_es1968_program_wavecache()  argument
974 		if (!(es->fmt & ESS_FMT_16BIT))  in snd_es1968_program_wavecache()
976 		if (es->fmt & ESS_FMT_STEREO)  in snd_es1968_program_wavecache()
981 	wave_set_register(chip, es->apu[channel] << 3, tmpval);  in snd_es1968_program_wavecache()
984 	es->wc_map[channel] = tmpval;  in snd_es1968_program_wavecache()
989 static void snd_es1968_playback_setup(struct es1968 *chip, struct esschan *es,  in snd_es1968_playback_setup()  argument
999 	size = es->dma_size >> es->wav_shift;  in snd_es1968_playback_setup()
1001 	if (es->fmt & ESS_FMT_STEREO)  in snd_es1968_playback_setup()
1005 		apu = es->apu[channel];  in snd_es1968_playback_setup()
1007 		snd_es1968_program_wavecache(chip, es, channel, es->memory->buf.addr, 0);  in snd_es1968_playback_setup()
1010 		pa = es->memory->buf.addr;  in snd_es1968_playback_setup()
1016 		if (es->fmt & ESS_FMT_STEREO) {  in snd_es1968_playback_setup()
1020 			if (es->fmt & ESS_FMT_16BIT)  in snd_es1968_playback_setup()
1026 		es->base[channel] = pa & 0xFFFF;  in snd_es1968_playback_setup()
1048 		if (es->fmt & ESS_FMT_16BIT)  in snd_es1968_playback_setup()
1049 			es->apu_mode[channel] = ESM_APU_16BITLINEAR;  in snd_es1968_playback_setup()
1051 			es->apu_mode[channel] = ESM_APU_8BITLINEAR;  in snd_es1968_playback_setup()
1053 		if (es->fmt & ESS_FMT_STEREO) {  in snd_es1968_playback_setup()
1061 			es->apu_mode[channel] += 1;	/* stereo */  in snd_es1968_playback_setup()
1081 	if (!(es->fmt & ESS_FMT_16BIT) && !(es->fmt & ESS_FMT_STEREO))  in snd_es1968_playback_setup()
1087 	snd_es1968_apu_set_freq(chip, es->apu[0], freq);  in snd_es1968_playback_setup()
1088 	snd_es1968_apu_set_freq(chip, es->apu[1], freq);  in snd_es1968_playback_setup()
1092 static void init_capture_apu(struct es1968 *chip, struct esschan *es, int channel,  in init_capture_apu()  argument
1096 	int i, apu = es->apu[channel];  in init_capture_apu()
1098 	es->apu_mode[channel] = mode;  in init_capture_apu()
1101 	snd_es1968_program_wavecache(chip, es, channel, pa, 1);  in init_capture_apu()
1109 	es->base[channel] = pa & 0xFFFF;  in init_capture_apu()
1137 static void snd_es1968_capture_setup(struct es1968 *chip, struct esschan *es,  in snd_es1968_capture_setup()  argument
1144 	size = es->dma_size >> es->wav_shift;  in snd_es1968_capture_setup()
1158 	init_capture_apu(chip, es, 2,  in snd_es1968_capture_setup()
1159 			 es->mixbuf->buf.addr, ESM_MIXBUF_SIZE/4, /* in words */  in snd_es1968_capture_setup()
1162 	init_capture_apu(chip, es, 0, es->memory->buf.addr, size,  in snd_es1968_capture_setup()
1163 			 ESM_APU_SRCONVERTOR, es->apu[2]);  in snd_es1968_capture_setup()
1164 	if (es->fmt & ESS_FMT_STEREO) {  in snd_es1968_capture_setup()
1166 		init_capture_apu(chip, es, 3,  in snd_es1968_capture_setup()
1167 				 es->mixbuf->buf.addr + ESM_MIXBUF_SIZE/2,  in snd_es1968_capture_setup()
1171 		init_capture_apu(chip, es, 1,  in snd_es1968_capture_setup()
1172 				 es->memory->buf.addr + size*2, size,  in snd_es1968_capture_setup()
1173 				 ESM_APU_SRCONVERTOR, es->apu[3]);  in snd_es1968_capture_setup()
1186 	snd_es1968_apu_set_freq(chip, es->apu[0], freq);  in snd_es1968_capture_setup()
1187 	snd_es1968_apu_set_freq(chip, es->apu[1], freq);  in snd_es1968_capture_setup()
1191 	snd_es1968_apu_set_freq(chip, es->apu[2], freq);  in snd_es1968_capture_setup()
1192 	snd_es1968_apu_set_freq(chip, es->apu[3], freq);  in snd_es1968_capture_setup()
1210 	struct esschan *es = runtime->private_data;  in snd_es1968_pcm_prepare()  local
1212 	es->dma_size = snd_pcm_lib_buffer_bytes(substream);  in snd_es1968_pcm_prepare()
1213 	es->frag_size = snd_pcm_lib_period_bytes(substream);  in snd_es1968_pcm_prepare()
1215 	es->wav_shift = 1; /* maestro handles always 16bit */  in snd_es1968_pcm_prepare()
1216 	es->fmt = 0;  in snd_es1968_pcm_prepare()
1218 		es->fmt |= ESS_FMT_16BIT;  in snd_es1968_pcm_prepare()
1220 		es->fmt |= ESS_FMT_STEREO;  in snd_es1968_pcm_prepare()
1221 		if (es->fmt & ESS_FMT_16BIT) /* 8bit is already word shifted */  in snd_es1968_pcm_prepare()
1222 			es->wav_shift++;  in snd_es1968_pcm_prepare()
1224 	es->bob_freq = snd_es1968_calc_bob_rate(chip, es, runtime);  in snd_es1968_pcm_prepare()
1226 	switch (es->mode) {  in snd_es1968_pcm_prepare()
1228 		snd_es1968_playback_setup(chip, es, runtime);  in snd_es1968_pcm_prepare()
1231 		snd_es1968_capture_setup(chip, es, runtime);  in snd_es1968_pcm_prepare()
1241 	struct esschan *es = substream->runtime->private_data;  in snd_es1968_pcm_trigger()  local
1247 		if (es->running)  in snd_es1968_pcm_trigger()
1249 		snd_es1968_bob_inc(chip, es->bob_freq);  in snd_es1968_pcm_trigger()
1250 		es->count = 0;  in snd_es1968_pcm_trigger()
1251 		es->hwptr = 0;  in snd_es1968_pcm_trigger()
1252 		snd_es1968_pcm_start(chip, es);  in snd_es1968_pcm_trigger()
1253 		es->running = 1;  in snd_es1968_pcm_trigger()
1257 		if (! es->running)  in snd_es1968_pcm_trigger()
1259 		snd_es1968_pcm_stop(chip, es);  in snd_es1968_pcm_trigger()
1260 		es->running = 0;  in snd_es1968_pcm_trigger()
1271 	struct esschan *es = substream->runtime->private_data;  in snd_es1968_pcm_pointer()  local
1274 	ptr = snd_es1968_get_dma_ptr(chip, es) << es->wav_shift;  in snd_es1968_pcm_pointer()
1276 	return bytes_to_frames(substream->runtime, ptr % es->dma_size);  in snd_es1968_pcm_pointer()
1537 	struct esschan *es;  in snd_es1968_playback_open()  local
1545 	es = kzalloc(sizeof(*es), GFP_KERNEL);  in snd_es1968_playback_open()
1546 	if (!es) {  in snd_es1968_playback_open()
1551 	es->apu[0] = apu1;  in snd_es1968_playback_open()
1552 	es->apu[1] = apu1 + 1;  in snd_es1968_playback_open()
1553 	es->apu_mode[0] = 0;  in snd_es1968_playback_open()
1554 	es->apu_mode[1] = 0;  in snd_es1968_playback_open()
1555 	es->running = 0;  in snd_es1968_playback_open()
1556 	es->substream = substream;  in snd_es1968_playback_open()
1557 	es->mode = ESM_MODE_PLAY;  in snd_es1968_playback_open()
1559 	runtime->private_data = es;  in snd_es1968_playback_open()
1565 	list_add(&es->list, &chip->substream_list);  in snd_es1968_playback_open()
1575 	struct esschan *es;  in snd_es1968_capture_open()  local
1587 	es = kzalloc(sizeof(*es), GFP_KERNEL);  in snd_es1968_capture_open()
1588 	if (!es) {  in snd_es1968_capture_open()
1594 	es->apu[0] = apu1;  in snd_es1968_capture_open()
1595 	es->apu[1] = apu1 + 1;  in snd_es1968_capture_open()
1596 	es->apu[2] = apu2;  in snd_es1968_capture_open()
1597 	es->apu[3] = apu2 + 1;  in snd_es1968_capture_open()
1598 	es->apu_mode[0] = 0;  in snd_es1968_capture_open()
1599 	es->apu_mode[1] = 0;  in snd_es1968_capture_open()
1600 	es->apu_mode[2] = 0;  in snd_es1968_capture_open()
1601 	es->apu_mode[3] = 0;  in snd_es1968_capture_open()
1602 	es->running = 0;  in snd_es1968_capture_open()
1603 	es->substream = substream;  in snd_es1968_capture_open()
1604 	es->mode = ESM_MODE_CAPTURE;  in snd_es1968_capture_open()
1607 	if ((es->mixbuf = snd_es1968_new_memory(chip, ESM_MIXBUF_SIZE)) == NULL) {  in snd_es1968_capture_open()
1610 		kfree(es);  in snd_es1968_capture_open()
1613 	memset(es->mixbuf->buf.area, 0, ESM_MIXBUF_SIZE);  in snd_es1968_capture_open()
1615 	runtime->private_data = es;  in snd_es1968_capture_open()
1622 	list_add(&es->list, &chip->substream_list);  in snd_es1968_capture_open()
1631 	struct esschan *es;  in snd_es1968_playback_close()  local
1635 	es = substream->runtime->private_data;  in snd_es1968_playback_close()
1637 	list_del(&es->list);  in snd_es1968_playback_close()
1639 	snd_es1968_free_apu_pair(chip, es->apu[0]);  in snd_es1968_playback_close()
1640 	kfree(es);  in snd_es1968_playback_close()
1648 	struct esschan *es;  in snd_es1968_capture_close()  local
1652 	es = substream->runtime->private_data;  in snd_es1968_capture_close()
1654 	list_del(&es->list);  in snd_es1968_capture_close()
1656 	snd_es1968_free_memory(chip, es->mixbuf);  in snd_es1968_capture_close()
1657 	snd_es1968_free_apu_pair(chip, es->apu[0]);  in snd_es1968_capture_close()
1658 	snd_es1968_free_apu_pair(chip, es->apu[2]);  in snd_es1968_capture_close()
1659 	kfree(es);  in snd_es1968_capture_close()
1829 static void snd_es1968_suppress_jitter(struct es1968 *chip, struct esschan *es)  in snd_es1968_suppress_jitter()  argument
1846 static void snd_es1968_update_pcm(struct es1968 *chip, struct esschan *es)  in snd_es1968_update_pcm()  argument
1850 	struct snd_pcm_substream *subs = es->substream;  in snd_es1968_update_pcm()
1852 	if (subs == NULL || !es->running)  in snd_es1968_update_pcm()
1855 	hwptr = snd_es1968_get_dma_ptr(chip, es) << es->wav_shift;  in snd_es1968_update_pcm()
1856 	hwptr %= es->dma_size;  in snd_es1968_update_pcm()
1858 	diff = (es->dma_size + hwptr - es->hwptr) % es->dma_size;  in snd_es1968_update_pcm()
1860 	es->hwptr = hwptr;  in snd_es1968_update_pcm()
1861 	es->count += diff;  in snd_es1968_update_pcm()
1863 	if (es->count > es->frag_size) {  in snd_es1968_update_pcm()
1867 		es->count %= es->frag_size;  in snd_es1968_update_pcm()
1976 		struct esschan *es;  in snd_es1968_interrupt()  local
1978 		list_for_each_entry(es, &chip->substream_list, list) {  in snd_es1968_interrupt()
1979 			if (es->running) {  in snd_es1968_interrupt()
1980 				snd_es1968_update_pcm(chip, es);  in snd_es1968_interrupt()
1981 				if (es->fmt & ESS_FMT_STEREO)  in snd_es1968_interrupt()
1982 					snd_es1968_suppress_jitter(chip, es);  in snd_es1968_interrupt()
2386 	struct esschan *es;  in es1968_resume()  local
2404 	list_for_each_entry(es, &chip->substream_list, list) {  in es1968_resume()
2405 		switch (es->mode) {  in es1968_resume()
2407 			snd_es1968_playback_setup(chip, es, es->substream->runtime);  in es1968_resume()
2410 			snd_es1968_capture_setup(chip, es, es->substream->runtime);  in es1968_resume()