1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /***************************************************************************** 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and 5*4882a593Smuzhiyun * Jean-Christian Hassler <jhassler@free.fr> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * This file is part of the Audiowerk2 ALSA driver 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun *****************************************************************************/ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef AW2_SAA7146_H 12*4882a593Smuzhiyun #define AW2_SAA7146_H 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define NB_STREAM_PLAYBACK 2 15*4882a593Smuzhiyun #define NB_STREAM_CAPTURE 1 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define NUM_STREAM_PLAYBACK_ANA 0 18*4882a593Smuzhiyun #define NUM_STREAM_PLAYBACK_DIG 1 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define NUM_STREAM_CAPTURE_ANA 0 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun typedef void (*snd_aw2_saa7146_it_cb) (void *); 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct snd_aw2_saa7146_cb_param { 25*4882a593Smuzhiyun snd_aw2_saa7146_it_cb p_it_callback; 26*4882a593Smuzhiyun void *p_callback_param; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* definition of the chip-specific record */ 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct snd_aw2_saa7146 { 32*4882a593Smuzhiyun void __iomem *base_addr; 33*4882a593Smuzhiyun }; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip, 36*4882a593Smuzhiyun void __iomem *pci_base_addr); 37*4882a593Smuzhiyun extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip, 40*4882a593Smuzhiyun int stream_number, 41*4882a593Smuzhiyun unsigned long dma_addr, 42*4882a593Smuzhiyun unsigned long period_size, 43*4882a593Smuzhiyun unsigned long buffer_size); 44*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip, 45*4882a593Smuzhiyun int stream_number, 46*4882a593Smuzhiyun unsigned long dma_addr, 47*4882a593Smuzhiyun unsigned long period_size, 48*4882a593Smuzhiyun unsigned long buffer_size); 49*4882a593Smuzhiyun extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int 50*4882a593Smuzhiyun stream_number, 51*4882a593Smuzhiyun snd_aw2_saa7146_it_cb 52*4882a593Smuzhiyun p_it_callback, 53*4882a593Smuzhiyun void *p_callback_param); 54*4882a593Smuzhiyun extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int 55*4882a593Smuzhiyun stream_number, 56*4882a593Smuzhiyun snd_aw2_saa7146_it_cb 57*4882a593Smuzhiyun p_it_callback, 58*4882a593Smuzhiyun void *p_callback_param); 59*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146 60*4882a593Smuzhiyun *chip, int stream_number); 61*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146 62*4882a593Smuzhiyun *chip, int stream_number); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146 65*4882a593Smuzhiyun *chip, 66*4882a593Smuzhiyun int stream_number); 67*4882a593Smuzhiyun extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146 68*4882a593Smuzhiyun *chip, int stream_number); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id); 71*4882a593Smuzhiyun extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146 72*4882a593Smuzhiyun *chip, 73*4882a593Smuzhiyun int stream_number, 74*4882a593Smuzhiyun unsigned char 75*4882a593Smuzhiyun *start_addr, 76*4882a593Smuzhiyun unsigned int 77*4882a593Smuzhiyun buffer_size); 78*4882a593Smuzhiyun extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146 79*4882a593Smuzhiyun *chip, 80*4882a593Smuzhiyun int stream_number, 81*4882a593Smuzhiyun unsigned char 82*4882a593Smuzhiyun *start_addr, 83*4882a593Smuzhiyun unsigned int 84*4882a593Smuzhiyun buffer_size); 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip, 87*4882a593Smuzhiyun int use_digital); 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146 90*4882a593Smuzhiyun *chip); 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun #endif 93