| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /***************************************************************************** |
| * |
| * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and |
| * Jean-Christian Hassler <jhassler@free.fr> |
| * |
| * This file is part of the Audiowerk2 ALSA driver |
| * |
| *****************************************************************************/ |
| |
| #ifndef AW2_SAA7146_H |
| #define AW2_SAA7146_H |
| |
| #define NB_STREAM_PLAYBACK 2 |
| #define NB_STREAM_CAPTURE 1 |
| |
| #define NUM_STREAM_PLAYBACK_ANA 0 |
| #define NUM_STREAM_PLAYBACK_DIG 1 |
| |
| #define NUM_STREAM_CAPTURE_ANA 0 |
| |
| struct snd_pcm_substream; |
| typedef void (*snd_aw2_saa7146_it_cb) (struct snd_pcm_substream *); |
| |
| struct snd_aw2_saa7146_cb_param { |
| snd_aw2_saa7146_it_cb p_it_callback; |
| struct snd_pcm_substream *p_callback_param; |
| }; |
| |
| /* definition of the chip-specific record */ |
| |
| struct snd_aw2_saa7146 { |
| void __iomem *base_addr; |
| }; |
| |
| extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip, |
| void __iomem *pci_base_addr); |
| extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip); |
| |
| extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip, |
| int stream_number, |
| unsigned long dma_addr, |
| unsigned long period_size, |
| unsigned long buffer_size); |
| extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip, |
| int stream_number, |
| unsigned long dma_addr, |
| unsigned long period_size, |
| unsigned long buffer_size); |
| extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int |
| stream_number, |
| snd_aw2_saa7146_it_cb |
| p_it_callback, |
| void *p_callback_param); |
| extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int |
| stream_number, |
| snd_aw2_saa7146_it_cb |
| p_it_callback, |
| void *p_callback_param); |
| extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146 |
| *chip, int stream_number); |
| extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146 |
| *chip, int stream_number); |
| |
| extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146 |
| *chip, |
| int stream_number); |
| extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146 |
| *chip, int stream_number); |
| |
| extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id); |
| extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146 |
| *chip, |
| int stream_number, |
| unsigned char |
| *start_addr, |
| unsigned int |
| buffer_size); |
| extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146 |
| *chip, |
| int stream_number, |
| unsigned char |
| *start_addr, |
| unsigned int |
| buffer_size); |
| |
| extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip, |
| int use_digital); |
| |
| extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146 |
| *chip); |
| |
| #endif |
