isa/sb/sb16_main.c

37 #define runtime_format_bits(runtime) \
38 	((unsigned int)pcm_format_to_bits((runtime)->format))
41 static void snd_sb16_csp_playback_prepare(struct snd_sb *chip, struct snd_pcm_runtime *runtime)
49 			    (runtime_format_bits(runtime) == csp->acc_format)) {
50 				/* Supported runtime PCM format for playback */
57 				if (runtime_format_bits(runtime) & (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
68 			if (csp->ops.csp_autoload(csp, runtime->format, SNDRV_SB_CSP_MODE_DSP_WRITE)) {
76 						       (runtime->channels > 1) ?
89 static void snd_sb16_csp_capture_prepare(struct snd_sb *chip, struct snd_pcm_runtime *runtime)
97 			    (runtime_format_bits(runtime) == csp->acc_format)) {
98 				/* Supported runtime PCM format for capture */
106 			if (csp->ops.csp_autoload(csp, runtime->format, SNDRV_SB_CSP_MODE_DSP_READ)) {
114 						       (runtime->channels > 1) ?
140 static void snd_sb16_csp_playback_open(struct snd_sb *chip, struct snd_pcm_runtime *runtime)
149 				runtime->hw.formats |= csp->acc_format;
153 			runtime->hw.formats |= SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
171 static void snd_sb16_csp_capture_open(struct snd_sb *chip, struct snd_pcm_runtime *runtime)
180 				runtime->hw.formats |= csp->acc_format;
184 			runtime->hw.formats |= SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
202 #define snd_sb16_csp_playback_prepare(chip, runtime)	/*nop*/
203 #define snd_sb16_csp_capture_prepare(chip, runtime)	/*nop*/
205 #define snd_sb16_csp_playback_open(chip, runtime)	/*nop*/
207 #define snd_sb16_csp_capture_open(chip, runtime)	/*nop*/
239 	struct snd_pcm_runtime *runtime = substream->runtime;
243 	snd_sb16_csp_playback_prepare(chip, runtime);
244 	if (snd_pcm_format_unsigned(runtime->format) > 0) {
245 		format = runtime->channels > 1 ? SB_DSP4_MODE_UNS_STEREO : SB_DSP4_MODE_UNS_MONO;
247 		format = runtime->channels > 1 ? SB_DSP4_MODE_SIGN_STEREO : SB_DSP4_MODE_SIGN_MONO;
250 	snd_sb16_setup_rate(chip, runtime->rate, SNDRV_PCM_STREAM_PLAYBACK);
253 	snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
309 	struct snd_pcm_runtime *runtime = substream->runtime;
313 	snd_sb16_csp_capture_prepare(chip, runtime);
314 	if (snd_pcm_format_unsigned(runtime->format) > 0) {
315 		format = runtime->channels > 1 ? SB_DSP4_MODE_UNS_STEREO : SB_DSP4_MODE_UNS_MONO;
317 		format = runtime->channels > 1 ? SB_DSP4_MODE_SIGN_STEREO : SB_DSP4_MODE_SIGN_MONO;
319 	snd_sb16_setup_rate(chip, runtime->rate, SNDRV_PCM_STREAM_CAPTURE);
322 	snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
434 	return bytes_to_frames(substream->runtime, ptr);
445 	return bytes_to_frames(substream->runtime, ptr);
496 	struct snd_pcm_runtime *runtime = substream->runtime;
503 	runtime->hw = snd_sb16_playback;
511 		runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE;
514 			runtime->hw.buffer_bytes_max =
515 			runtime->hw.period_bytes_max = 64 * 1024;
517 			snd_sb16_csp_playback_open(chip, runtime);
527 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE;
530 			runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8;
532 		runtime->hw.buffer_bytes_max =
533 		runtime->hw.period_bytes_max = 64 * 1024;
541 		runtime->hw.rate_max = 48000;
543 		runtime->hw.buffer_bytes_max = 32 * 1024;
544 		runtime->hw.periods_min = 2;
545 		runtime->hw.rate_min = 44100;
548 		runtime->hw.rate_min = runtime->hw.rate_max = chip->locked_rate;
571 	struct snd_pcm_runtime *runtime = substream->runtime;
578 	runtime->hw = snd_sb16_capture;
586 		runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE;
589 			runtime->hw.buffer_bytes_max =
590 			runtime->hw.period_bytes_max = 64 * 1024;
592 			snd_sb16_csp_capture_open(chip, runtime);
602 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE;
605 			runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8;
607 		runtime->hw.buffer_bytes_max =
608 		runtime->hw.period_bytes_max = 64 * 1024;
616 		runtime->hw.rate_max = 48000;
618 		runtime->hw.buffer_bytes_max = 32 * 1024;
619 		runtime->hw.periods_min = 2;
620 		runtime->hw.rate_min = 44100;
623 		runtime->hw.rate_min = runtime->hw.rate_max = chip->locked_rate;