cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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aw2-saa7146.h (2991B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*****************************************************************************
      3 *
      4 * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
      5 * Jean-Christian Hassler <jhassler@free.fr>
      6 *
      7 * This file is part of the Audiowerk2 ALSA driver
      8 *
      9 *****************************************************************************/
     10
     11#ifndef AW2_SAA7146_H
     12#define AW2_SAA7146_H
     13
     14#define NB_STREAM_PLAYBACK 2
     15#define NB_STREAM_CAPTURE 1
     16
     17#define NUM_STREAM_PLAYBACK_ANA 0
     18#define NUM_STREAM_PLAYBACK_DIG 1
     19
     20#define NUM_STREAM_CAPTURE_ANA 0
     21
     22typedef void (*snd_aw2_saa7146_it_cb) (void *);
     23
     24struct snd_aw2_saa7146_cb_param {
     25	snd_aw2_saa7146_it_cb p_it_callback;
     26	void *p_callback_param;
     27};
     28
     29/* definition of the chip-specific record */
     30
     31struct snd_aw2_saa7146 {
     32	void __iomem *base_addr;
     33};
     34
     35extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
     36				  void __iomem *pci_base_addr);
     37extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
     38
     39extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
     40					      int stream_number,
     41					      unsigned long dma_addr,
     42					      unsigned long period_size,
     43					      unsigned long buffer_size);
     44extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
     45					     int stream_number,
     46					     unsigned long dma_addr,
     47					     unsigned long period_size,
     48					     unsigned long buffer_size);
     49extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
     50							stream_number,
     51							snd_aw2_saa7146_it_cb
     52							p_it_callback,
     53							void *p_callback_param);
     54extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
     55						       stream_number,
     56						       snd_aw2_saa7146_it_cb
     57						       p_it_callback,
     58						       void *p_callback_param);
     59extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
     60						      *chip, int stream_number);
     61extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
     62						     *chip, int stream_number);
     63
     64extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
     65						       *chip,
     66						       int stream_number);
     67extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
     68						      *chip, int stream_number);
     69
     70extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
     71extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
     72							*chip,
     73							int stream_number,
     74							unsigned char
     75							*start_addr,
     76							unsigned int
     77							buffer_size);
     78extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
     79						       *chip,
     80						       int stream_number,
     81						       unsigned char
     82						       *start_addr,
     83						       unsigned int
     84						       buffer_size);
     85
     86extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
     87					      int use_digital);
     88
     89extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
     90						  *chip);
     91
     92#endif