diff options
Diffstat (limited to 'sound/pci/aw2/aw2-saa7146.h')
| -rw-r--r-- | sound/pci/aw2/aw2-saa7146.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sound/pci/aw2/aw2-saa7146.h b/sound/pci/aw2/aw2-saa7146.h new file mode 100644 index 000000000..b5c5a71c0 --- /dev/null +++ b/sound/pci/aw2/aw2-saa7146.h @@ -0,0 +1,92 @@ +/* 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 + +typedef void (*snd_aw2_saa7146_it_cb) (void *); + +struct snd_aw2_saa7146_cb_param { + snd_aw2_saa7146_it_cb p_it_callback; + void *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 |