108 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sb8_playback_prepare()  local
111 	unsigned char stereo = runtime->channels > 1;  in snd_sb8_playback_prepare()
114 	rate = runtime->rate;  in snd_sb8_playback_prepare()
117 		if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {  in snd_sb8_playback_prepare()
126 		if (runtime->channels > 1) {  in snd_sb8_playback_prepare()
172 		runtime->dma_area[0] = 0x80;  in snd_sb8_playback_prepare()
173 		snd_dma_program(dma, runtime->dma_addr, 1, DMA_MODE_WRITE);  in snd_sb8_playback_prepare()
181 		snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);  in snd_sb8_playback_prepare()
190 		snd_sbdsp_command(chip, 256 - runtime->rate_den);  in snd_sb8_playback_prepare()
201 	snd_dma_program(dma, runtime->dma_addr,  in snd_sb8_playback_prepare()
225 			struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sb8_playback_trigger()  local
227 			if (runtime->channels > 1) {  in snd_sb8_playback_trigger()
258 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sb8_capture_prepare()  local
261 	unsigned char stereo = runtime->channels > 1;  in snd_sb8_capture_prepare()
264 	rate = runtime->rate;  in snd_sb8_capture_prepare()
267 		if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {  in snd_sb8_capture_prepare()
276 		if (runtime->channels > 1) {  in snd_sb8_capture_prepare()
318 		snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);  in snd_sb8_capture_prepare()
327 		snd_sbdsp_command(chip, 256 - runtime->rate_den);  in snd_sb8_capture_prepare()
338 	snd_dma_program(dma, runtime->dma_addr,  in snd_sb8_capture_prepare()
362 			struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sb8_capture_trigger()  local
364 			if (runtime->channels > 1) {  in snd_sb8_capture_trigger()
384 	struct snd_pcm_runtime *runtime;  in snd_sb8dsp_interrupt()  local
394 		runtime = substream->runtime;  in snd_sb8dsp_interrupt()
405 		runtime = substream->runtime;  in snd_sb8dsp_interrupt()
427 	return bytes_to_frames(substream->runtime, ptr);  in snd_sb8_playback_pointer()
443 	return bytes_to_frames(substream->runtime, ptr);  in snd_sb8_capture_pointer()
495 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sb8_open()  local
507 		runtime->hw = snd_sb8_playback;  in snd_sb8_open()
510 		runtime->hw = snd_sb8_capture;  in snd_sb8_open()
515 			runtime->hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;  in snd_sb8_open()
516 		runtime->hw.rates |= SNDRV_PCM_RATE_8000_48000;  in snd_sb8_open()
517 		runtime->hw.rate_min = 4000;  in snd_sb8_open()
518 		runtime->hw.rate_max = 50000;  in snd_sb8_open()
519 		runtime->hw.channels_max = 2;  in snd_sb8_open()
522 		runtime->hw.rate_max = 44100;  in snd_sb8_open()
523 		runtime->hw.channels_max = 2;  in snd_sb8_open()
524 		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,  in snd_sb8_open()
528 		snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,  in snd_sb8_open()
534 			runtime->hw.rate_max = 44100;  in snd_sb8_open()
536 			runtime->hw.rate_max = 15000;  in snd_sb8_open()
541 	snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,  in snd_sb8_open()
544 		snd_pcm_hw_constraint_step(runtime, 0,  in snd_sb8_open()
546 		snd_pcm_hw_constraint_step(runtime, 0,  in snd_sb8_open()
548 		runtime->hw.buffer_bytes_max = 128 * 1024 * 1024;  in snd_sb8_open()
549 		runtime->hw.period_bytes_max = 128 * 1024 * 1024;  in snd_sb8_open()