107 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_playback_prepare()  local
115 	switch (chip->hardware) {  in snd_sb8_playback_prepare()
118 			if (chip->mode & SB_MODE_CAPTURE_16)  in snd_sb8_playback_prepare()
121 				chip->mode |= SB_MODE_PLAYBACK_16;  in snd_sb8_playback_prepare()
123 		chip->playback_format = SB_DSP_LO_OUTPUT_AUTO;  in snd_sb8_playback_prepare()
130 			chip->playback_format = SB_DSP_HI_OUTPUT_AUTO;  in snd_sb8_playback_prepare()
136 			chip->playback_format = SB_DSP_HI_OUTPUT_AUTO;  in snd_sb8_playback_prepare()
141 		chip->playback_format = SB_DSP_LO_OUTPUT_AUTO;  in snd_sb8_playback_prepare()
144 		chip->playback_format = SB_DSP_OUTPUT;  in snd_sb8_playback_prepare()
149 	if (chip->mode & SB_MODE_PLAYBACK_16) {  in snd_sb8_playback_prepare()
151 		dma = chip->dma16;  in snd_sb8_playback_prepare()
154 		chip->mode |= SB_MODE_PLAYBACK_8;  in snd_sb8_playback_prepare()
155 		dma = chip->dma8;  in snd_sb8_playback_prepare()
157 	size = chip->p_dma_size = snd_pcm_lib_buffer_bytes(substream);  in snd_sb8_playback_prepare()
158 	count = chip->p_period_size = snd_pcm_lib_period_bytes(substream);  in snd_sb8_playback_prepare()
159 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sb8_playback_prepare()
160 	snd_sbdsp_command(chip, SB_DSP_SPEAKER_ON);  in snd_sb8_playback_prepare()
161 	if (chip->hardware == SB_HW_JAZZ16)  in snd_sb8_playback_prepare()
162 		snd_sbdsp_command(chip, format);  in snd_sb8_playback_prepare()
165 		spin_lock(&chip->mixer_lock);  in snd_sb8_playback_prepare()
166 		mixreg = snd_sbmixer_read(chip, SB_DSP_STEREO_SW);  in snd_sb8_playback_prepare()
167 		snd_sbmixer_write(chip, SB_DSP_STEREO_SW, mixreg | 0x02);  in snd_sb8_playback_prepare()
168 		spin_unlock(&chip->mixer_lock);  in snd_sb8_playback_prepare()
171 		snd_sbdsp_command(chip, SB_DSP_DMA8_EXIT);  in snd_sb8_playback_prepare()
175 		snd_sbdsp_command(chip, SB_DSP_OUTPUT);  in snd_sb8_playback_prepare()
176 		snd_sbdsp_command(chip, 0);  in snd_sb8_playback_prepare()
177 		snd_sbdsp_command(chip, 0);  in snd_sb8_playback_prepare()
179 	snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);  in snd_sb8_playback_prepare()
181 		snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);  in snd_sb8_playback_prepare()
182 		spin_lock(&chip->mixer_lock);  in snd_sb8_playback_prepare()
184 		mixreg = snd_sbmixer_read(chip, SB_DSP_PLAYBACK_FILT);  in snd_sb8_playback_prepare()
185 		snd_sbmixer_write(chip, SB_DSP_PLAYBACK_FILT, mixreg | 0x20);  in snd_sb8_playback_prepare()
186 		spin_unlock(&chip->mixer_lock);  in snd_sb8_playback_prepare()
188 		chip->force_mode16 = mixreg;  in snd_sb8_playback_prepare()
190 		snd_sbdsp_command(chip, 256 - runtime->rate_den);  in snd_sb8_playback_prepare()
192 	if (chip->playback_format != SB_DSP_OUTPUT) {  in snd_sb8_playback_prepare()
193 		if (chip->mode & SB_MODE_PLAYBACK_16)  in snd_sb8_playback_prepare()
196 		snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);  in snd_sb8_playback_prepare()
197 		snd_sbdsp_command(chip, count & 0xff);  in snd_sb8_playback_prepare()
198 		snd_sbdsp_command(chip, count >> 8);  in snd_sb8_playback_prepare()
200 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sb8_playback_prepare()
210 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_playback_trigger()  local
213 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sb8_playback_trigger()
216 		snd_sbdsp_command(chip, chip->playback_format);  in snd_sb8_playback_trigger()
217 		if (chip->playback_format == SB_DSP_OUTPUT) {  in snd_sb8_playback_trigger()
218 			count = chip->p_period_size - 1;  in snd_sb8_playback_trigger()
219 			snd_sbdsp_command(chip, count & 0xff);  in snd_sb8_playback_trigger()
220 			snd_sbdsp_command(chip, count >> 8);  in snd_sb8_playback_trigger()
224 		if (chip->playback_format == SB_DSP_HI_OUTPUT_AUTO) {  in snd_sb8_playback_trigger()
226 			snd_sbdsp_reset(chip);  in snd_sb8_playback_trigger()
228 				spin_lock(&chip->mixer_lock);  in snd_sb8_playback_trigger()
230 				snd_sbmixer_write(chip, SB_DSP_STEREO_SW, chip->force_mode16 & ~0x02);  in snd_sb8_playback_trigger()
231 				spin_unlock(&chip->mixer_lock);  in snd_sb8_playback_trigger()
234 			snd_sbdsp_command(chip, SB_DSP_DMA8_OFF);  in snd_sb8_playback_trigger()
236 		snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);  in snd_sb8_playback_trigger()
238 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sb8_playback_trigger()
257 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_capture_prepare()  local
265 	switch (chip->hardware) {  in snd_sb8_capture_prepare()
268 			if (chip->mode & SB_MODE_PLAYBACK_16)  in snd_sb8_capture_prepare()
271 				chip->mode |= SB_MODE_CAPTURE_16;  in snd_sb8_capture_prepare()
273 		chip->capture_format = SB_DSP_LO_INPUT_AUTO;  in snd_sb8_capture_prepare()
280 			chip->capture_format = SB_DSP_HI_INPUT_AUTO;  in snd_sb8_capture_prepare()
283 		chip->capture_format = (rate > 23000) ? SB_DSP_HI_INPUT_AUTO : SB_DSP_LO_INPUT_AUTO;  in snd_sb8_capture_prepare()
287 			chip->capture_format = SB_DSP_HI_INPUT_AUTO;  in snd_sb8_capture_prepare()
292 		chip->capture_format = SB_DSP_LO_INPUT_AUTO;  in snd_sb8_capture_prepare()
295 		chip->capture_format = SB_DSP_INPUT;  in snd_sb8_capture_prepare()
300 	if (chip->mode & SB_MODE_CAPTURE_16) {  in snd_sb8_capture_prepare()
302 		dma = chip->dma16;  in snd_sb8_capture_prepare()
305 		chip->mode |= SB_MODE_CAPTURE_8;  in snd_sb8_capture_prepare()
306 		dma = chip->dma8;  in snd_sb8_capture_prepare()
308 	size = chip->c_dma_size = snd_pcm_lib_buffer_bytes(substream);  in snd_sb8_capture_prepare()
309 	count = chip->c_period_size = snd_pcm_lib_period_bytes(substream);  in snd_sb8_capture_prepare()
310 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sb8_capture_prepare()
311 	snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);  in snd_sb8_capture_prepare()
312 	if (chip->hardware == SB_HW_JAZZ16)  in snd_sb8_capture_prepare()
313 		snd_sbdsp_command(chip, format);  in snd_sb8_capture_prepare()
315 		snd_sbdsp_command(chip, SB_DSP_STEREO_8BIT);  in snd_sb8_capture_prepare()
316 	snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);  in snd_sb8_capture_prepare()
318 		snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);  in snd_sb8_capture_prepare()
319 		spin_lock(&chip->mixer_lock);  in snd_sb8_capture_prepare()
321 		mixreg = snd_sbmixer_read(chip, SB_DSP_CAPTURE_FILT);  in snd_sb8_capture_prepare()
322 		snd_sbmixer_write(chip, SB_DSP_CAPTURE_FILT, mixreg | 0x20);  in snd_sb8_capture_prepare()
323 		spin_unlock(&chip->mixer_lock);  in snd_sb8_capture_prepare()
325 		chip->force_mode16 = mixreg;  in snd_sb8_capture_prepare()
327 		snd_sbdsp_command(chip, 256 - runtime->rate_den);  in snd_sb8_capture_prepare()
329 	if (chip->capture_format != SB_DSP_INPUT) {  in snd_sb8_capture_prepare()
330 		if (chip->mode & SB_MODE_PLAYBACK_16)  in snd_sb8_capture_prepare()
333 		snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);  in snd_sb8_capture_prepare()
334 		snd_sbdsp_command(chip, count & 0xff);  in snd_sb8_capture_prepare()
335 		snd_sbdsp_command(chip, count >> 8);  in snd_sb8_capture_prepare()
337 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sb8_capture_prepare()
347 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_capture_trigger()  local
350 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_sb8_capture_trigger()
353 		snd_sbdsp_command(chip, chip->capture_format);  in snd_sb8_capture_trigger()
354 		if (chip->capture_format == SB_DSP_INPUT) {  in snd_sb8_capture_trigger()
355 			count = chip->c_period_size - 1;  in snd_sb8_capture_trigger()
356 			snd_sbdsp_command(chip, count & 0xff);  in snd_sb8_capture_trigger()
357 			snd_sbdsp_command(chip, count >> 8);  in snd_sb8_capture_trigger()
361 		if (chip->capture_format == SB_DSP_HI_INPUT_AUTO) {  in snd_sb8_capture_trigger()
363 			snd_sbdsp_reset(chip);  in snd_sb8_capture_trigger()
366 				spin_lock(&chip->mixer_lock);  in snd_sb8_capture_trigger()
367 				snd_sbmixer_write(chip, SB_DSP_CAPTURE_FILT, chip->force_mode16);  in snd_sb8_capture_trigger()
368 				spin_unlock(&chip->mixer_lock);  in snd_sb8_capture_trigger()
370 				snd_sbdsp_command(chip, SB_DSP_MONO_8BIT);  in snd_sb8_capture_trigger()
373 			snd_sbdsp_command(chip, SB_DSP_DMA8_OFF);  in snd_sb8_capture_trigger()
375 		snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);  in snd_sb8_capture_trigger()
377 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_sb8_capture_trigger()
381 irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip)  in snd_sb8dsp_interrupt()  argument
386 	snd_sb_ack_8bit(chip);  in snd_sb8dsp_interrupt()
387 	switch (chip->mode) {  in snd_sb8dsp_interrupt()
389 		if (chip->hardware != SB_HW_JAZZ16)  in snd_sb8dsp_interrupt()
393 		substream = chip->playback_substream;  in snd_sb8dsp_interrupt()
395 		if (chip->playback_format == SB_DSP_OUTPUT)  in snd_sb8dsp_interrupt()
400 		if (chip->hardware != SB_HW_JAZZ16)  in snd_sb8dsp_interrupt()
404 		substream = chip->capture_substream;  in snd_sb8dsp_interrupt()
406 		if (chip->capture_format == SB_DSP_INPUT)  in snd_sb8dsp_interrupt()
416 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_playback_pointer()  local
420 	if (chip->mode & SB_MODE_PLAYBACK_8)  in snd_sb8_playback_pointer()
421 		dma = chip->dma8;  in snd_sb8_playback_pointer()
422 	else if (chip->mode & SB_MODE_PLAYBACK_16)  in snd_sb8_playback_pointer()
423 		dma = chip->dma16;  in snd_sb8_playback_pointer()
426 	ptr = snd_dma_pointer(dma, chip->p_dma_size);  in snd_sb8_playback_pointer()
432 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_capture_pointer()  local
436 	if (chip->mode & SB_MODE_CAPTURE_8)  in snd_sb8_capture_pointer()
437 		dma = chip->dma8;  in snd_sb8_capture_pointer()
438 	else if (chip->mode & SB_MODE_CAPTURE_16)  in snd_sb8_capture_pointer()
439 		dma = chip->dma16;  in snd_sb8_capture_pointer()
442 	ptr = snd_dma_pointer(dma, chip->c_dma_size);  in snd_sb8_capture_pointer()
494 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_open()  local
498 	spin_lock_irqsave(&chip->open_lock, flags);  in snd_sb8_open()
499 	if (chip->open) {  in snd_sb8_open()
500 		spin_unlock_irqrestore(&chip->open_lock, flags);  in snd_sb8_open()
503 	chip->open |= SB_OPEN_PCM;  in snd_sb8_open()
504 	spin_unlock_irqrestore(&chip->open_lock, flags);  in snd_sb8_open()
506 		chip->playback_substream = substream;  in snd_sb8_open()
509 		chip->capture_substream = substream;  in snd_sb8_open()
512 	switch (chip->hardware) {  in snd_sb8_open()
514 		if (chip->dma16 == 5 || chip->dma16 == 7)  in snd_sb8_open()
543 	if (chip->dma8 > 3 || chip->dma16 >= 0) {  in snd_sb8_open()
557 	struct snd_sb *chip = snd_pcm_substream_chip(substream);  in snd_sb8_close()  local
559 	chip->playback_substream = NULL;  in snd_sb8_close()
560 	chip->capture_substream = NULL;  in snd_sb8_close()
561 	spin_lock_irqsave(&chip->open_lock, flags);  in snd_sb8_close()
562 	chip->open &= ~SB_OPEN_PCM;  in snd_sb8_close()
564 		chip->mode &= ~SB_MODE_PLAYBACK;  in snd_sb8_close()
566 		chip->mode &= ~SB_MODE_CAPTURE;  in snd_sb8_close()
567 	spin_unlock_irqrestore(&chip->open_lock, flags);  in snd_sb8_close()
597 int snd_sb8dsp_pcm(struct snd_sb *chip, int device)  in snd_sb8dsp_pcm()  argument
599 	struct snd_card *card = chip->card;  in snd_sb8dsp_pcm()
606 	sprintf(pcm->name, "DSP v%i.%i", chip->version >> 8, chip->version & 0xff);  in snd_sb8dsp_pcm()
608 	pcm->private_data = chip;  in snd_sb8dsp_pcm()
613 	if (chip->dma8 > 3 || chip->dma16 >= 0)  in snd_sb8dsp_pcm()