201 	struct snd_pcm_substream *substream;  member
227 static int snd_bt87x_create_risc(struct snd_bt87x *chip, struct snd_pcm_substream *substream,  in snd_bt87x_create_risc()  argument
263 			addr = snd_pcm_sgbuf_get_addr(substream, offset);  in snd_bt87x_create_risc()
351 		snd_pcm_period_elapsed(chip->substream);  in snd_bt87x_interrupt()
421 static int snd_bt87x_pcm_open(struct snd_pcm_substream *substream)  in snd_bt87x_pcm_open()  argument
423 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_pcm_open()
424 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_bt87x_pcm_open()
430 	if (substream->pcm->device == DEVICE_DIGITAL)  in snd_bt87x_pcm_open()
441 	chip->substream = substream;  in snd_bt87x_pcm_open()
450 static int snd_bt87x_close(struct snd_pcm_substream *substream)  in snd_bt87x_close()  argument
452 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_close()
459 	chip->substream = NULL;  in snd_bt87x_close()
465 static int snd_bt87x_hw_params(struct snd_pcm_substream *substream,  in snd_bt87x_hw_params()  argument
468 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_hw_params()
471 	err = snd_pcm_lib_malloc_pages(substream,  in snd_bt87x_hw_params()
475 	return snd_bt87x_create_risc(chip, substream,  in snd_bt87x_hw_params()
480 static int snd_bt87x_hw_free(struct snd_pcm_substream *substream)  in snd_bt87x_hw_free()  argument
482 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_hw_free()
485 	snd_pcm_lib_free_pages(substream);  in snd_bt87x_hw_free()
489 static int snd_bt87x_prepare(struct snd_pcm_substream *substream)  in snd_bt87x_prepare()  argument
491 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_prepare()
492 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_bt87x_prepare()
531 static int snd_bt87x_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_bt87x_trigger()  argument
533 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_trigger()
545 static snd_pcm_uframes_t snd_bt87x_pointer(struct snd_pcm_substream *substream)  in snd_bt87x_pointer()  argument
547 	struct snd_bt87x *chip = snd_pcm_substream_chip(substream);  in snd_bt87x_pointer()
548 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_bt87x_pointer()