46 		printk(KERN_INFO "%s: " fmt, chip->dev->name , ## arg);	\
50 	printk(KERN_DEBUG "%s: " fmt, chip->dev->name , ## arg)
83 static int cx23885_alsa_dma_init(struct cx23885_audio_dev *chip, int nr_pages)  in cx23885_alsa_dma_init()  argument
85 	struct cx23885_audio_buffer *buf = chip->buf;  in cx23885_alsa_dma_init()
163 static int cx23885_start_audio_dma(struct cx23885_audio_dev *chip)  in cx23885_start_audio_dma()  argument
165 	struct cx23885_audio_buffer *buf = chip->buf;  in cx23885_start_audio_dma()
166 	struct cx23885_dev *dev  = chip->dev;  in cx23885_start_audio_dma()
176 	cx23885_sram_channel_setup(chip->dev, audio_ch, buf->bpl,  in cx23885_start_audio_dma()
187 	atomic_set(&chip->count, 0);  in cx23885_start_audio_dma()
191 		chip->num_periods, buf->bpl * chip->num_periods);  in cx23885_start_audio_dma()
201 	cx_set(PCI_INT_MSK, chip->dev->pci_irqmask | PCI_MSK_AUD_INT);  in cx23885_start_audio_dma()
208 		cx23885_sram_channel_dump(chip->dev, audio_ch);  in cx23885_start_audio_dma()
216 static int cx23885_stop_audio_dma(struct cx23885_audio_dev *chip)  in cx23885_stop_audio_dma()  argument
218 	struct cx23885_dev *dev = chip->dev;  in cx23885_stop_audio_dma()
230 		cx23885_sram_channel_dump(chip->dev,  in cx23885_stop_audio_dma()
241 	struct cx23885_audio_dev *chip = dev->audio_dev;  in cx23885_audio_irq()  local
263 		atomic_set(&chip->count, cx_read(AUD_INT_A_GPCNT));  in cx23885_audio_irq()
264 		snd_pcm_period_elapsed(chip->substream);  in cx23885_audio_irq()
271 static int dsp_buffer_free(struct cx23885_audio_dev *chip)  in dsp_buffer_free()  argument
275 	BUG_ON(!chip->dma_size);  in dsp_buffer_free()
278 	cx23885_alsa_dma_unmap(chip);  in dsp_buffer_free()
279 	cx23885_alsa_dma_free(chip->buf);  in dsp_buffer_free()
280 	risc = &chip->buf->risc;  in dsp_buffer_free()
281 	pci_free_consistent(chip->pci, risc->size, risc->cpu, risc->dma);  in dsp_buffer_free()
282 	kfree(chip->buf);  in dsp_buffer_free()
284 	chip->buf = NULL;  in dsp_buffer_free()
285 	chip->dma_size = 0;  in dsp_buffer_free()
325 	struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);  in snd_cx23885_pcm_open()  local
329 	if (!chip) {  in snd_cx23885_pcm_open()
340 	chip->substream = substream;  in snd_cx23885_pcm_open()
344 	if (chip->dev->sram_channels[AUDIO_SRAM_CHANNEL].fifo_size !=  in snd_cx23885_pcm_open()
346 		unsigned int bpl = chip->dev->  in snd_cx23885_pcm_open()
374 	struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);  in snd_cx23885_hw_params()  local
379 		dsp_buffer_free(chip);  in snd_cx23885_hw_params()
383 	chip->period_size = params_period_bytes(hw_params);  in snd_cx23885_hw_params()
384 	chip->num_periods = params_periods(hw_params);  in snd_cx23885_hw_params()
385 	chip->dma_size = chip->period_size * params_periods(hw_params);  in snd_cx23885_hw_params()
387 	BUG_ON(!chip->dma_size);  in snd_cx23885_hw_params()
388 	BUG_ON(chip->num_periods & (chip->num_periods-1));  in snd_cx23885_hw_params()
394 	buf->bpl = chip->period_size;  in snd_cx23885_hw_params()
395 	chip->buf = buf;  in snd_cx23885_hw_params()
397 	ret = cx23885_alsa_dma_init(chip,  in snd_cx23885_hw_params()
398 			(PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));  in snd_cx23885_hw_params()
402 	ret = cx23885_alsa_dma_map(chip);  in snd_cx23885_hw_params()
406 	ret = cx23885_risc_databuffer(chip->pci, &buf->risc, buf->sglist,  in snd_cx23885_hw_params()
407 				   chip->period_size, chip->num_periods, 1);  in snd_cx23885_hw_params()
416 	substream->runtime->dma_area = chip->buf->vaddr;  in snd_cx23885_hw_params()
417 	substream->runtime->dma_bytes = chip->dma_size;  in snd_cx23885_hw_params()
424 	chip->buf = NULL;  in snd_cx23885_hw_params()
434 	struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);  in snd_cx23885_hw_free()  local
437 		dsp_buffer_free(chip);  in snd_cx23885_hw_free()
458 	struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);  in snd_cx23885_card_trigger()  local
462 	spin_lock(&chip->lock);  in snd_cx23885_card_trigger()
466 		err = cx23885_start_audio_dma(chip);  in snd_cx23885_card_trigger()
469 		err = cx23885_stop_audio_dma(chip);  in snd_cx23885_card_trigger()
476 	spin_unlock(&chip->lock);  in snd_cx23885_card_trigger()
487 	struct cx23885_audio_dev *chip = snd_pcm_substream_chip(substream);  in snd_cx23885_pointer()  local
491 	count = atomic_read(&chip->count);  in snd_cx23885_pointer()
524 static int snd_cx23885_pcm(struct cx23885_audio_dev *chip, int device,  in snd_cx23885_pcm()  argument
530 	err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);  in snd_cx23885_pcm()
533 	pcm->private_data = chip;  in snd_cx23885_pcm()
551 	struct cx23885_audio_dev *chip;  in cx23885_audio_register()  local
569 	chip = (struct cx23885_audio_dev *) card->private_data;  in cx23885_audio_register()
570 	chip->dev = dev;  in cx23885_audio_register()
571 	chip->pci = dev->pci;  in cx23885_audio_register()
572 	chip->card = card;  in cx23885_audio_register()
573 	spin_lock_init(&chip->lock);  in cx23885_audio_register()
575 	err = snd_cx23885_pcm(chip, 0, "CX23885 Digital");  in cx23885_audio_register()
589 	return chip;  in cx23885_audio_register()
604 	struct cx23885_audio_dev *chip = dev->audio_dev;  in cx23885_audio_unregister()  local
606 	snd_card_free(chip->card);  in cx23885_audio_unregister()