161 lines
5.2 KiB
C
161 lines
5.2 KiB
C
/**
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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*
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* This source file is released under GPL v2 license (no other versions).
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* See the COPYING file included in the main directory of this source
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* distribution for the license terms and conditions.
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*
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* @File ctatc.h
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*
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* @Brief
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* This file contains the definition of the device resource management object.
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*
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* @Author Liu Chun
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* @Date Mar 28 2008
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*
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*/
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#ifndef CTATC_H
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#define CTATC_H
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#include <linux/types.h>
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#include <linux/mutex.h>
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#include <linux/pci.h>
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#include <linux/timer.h>
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#include <sound/core.h>
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#include "ctvmem.h"
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#include "cthardware.h"
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#include "ctresource.h"
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enum CTALSADEVS { /* Types of alsa devices */
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FRONT,
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SURROUND,
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CLFE,
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SIDE,
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IEC958,
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MIXER,
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NUM_CTALSADEVS /* This should always be the last */
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};
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struct ct_atc_chip_sub_details {
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u16 subsys;
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const char *nm_model;
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};
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struct ct_atc_chip_details {
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u16 vendor;
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u16 device;
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const struct ct_atc_chip_sub_details *sub_details;
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const char *nm_card;
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};
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struct ct_atc;
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struct ct_timer;
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struct ct_timer_instance;
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/* alsa pcm stream descriptor */
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struct ct_atc_pcm {
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struct snd_pcm_substream *substream;
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void (*interrupt)(struct ct_atc_pcm *apcm);
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struct ct_timer_instance *timer;
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unsigned int started:1;
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/* Only mono and interleaved modes are supported now. */
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struct ct_vm_block *vm_block;
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void *src; /* SRC for interacting with host memory */
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void **srccs; /* SRCs for sample rate conversion */
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void **srcimps; /* SRC Input Mappers */
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void **amixers; /* AMIXERs for routing converted data */
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void *mono; /* A SUM resource for mixing chs to one */
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unsigned char n_srcc; /* Number of converting SRCs */
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unsigned char n_srcimp; /* Number of SRC Input Mappers */
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unsigned char n_amixer; /* Number of AMIXERs */
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};
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/* Chip resource management object */
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struct ct_atc {
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struct pci_dev *pci;
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struct snd_card *card;
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unsigned int rsr; /* reference sample rate in Hz */
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unsigned int msr; /* master sample rate in rsr */
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unsigned int pll_rate; /* current rate of Phase Lock Loop */
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int chip_type;
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int model;
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const char *chip_name;
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const char *model_name;
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struct ct_vm *vm; /* device virtual memory manager for this card */
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int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
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struct mutex atc_mutex;
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int (*pcm_playback_prepare)(struct ct_atc *atc,
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struct ct_atc_pcm *apcm);
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int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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int (*pcm_playback_position)(struct ct_atc *atc,
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struct ct_atc_pcm *apcm);
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int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
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struct ct_atc_pcm *apcm);
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int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
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int (*pcm_capture_position)(struct ct_atc *atc,
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struct ct_atc_pcm *apcm);
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int (*pcm_release_resources)(struct ct_atc *atc,
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struct ct_atc_pcm *apcm);
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int (*select_line_in)(struct ct_atc *atc);
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int (*select_mic_in)(struct ct_atc *atc);
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int (*select_digit_io)(struct ct_atc *atc);
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int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
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int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
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int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
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int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
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int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
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int (*mic_unmute)(struct ct_atc *atc, unsigned char state);
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int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
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int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
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int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
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int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
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int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
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struct capabilities (*capabilities)(struct ct_atc *atc);
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int (*output_switch_get)(struct ct_atc *atc);
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int (*output_switch_put)(struct ct_atc *atc, int position);
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int (*mic_source_switch_get)(struct ct_atc *atc);
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int (*mic_source_switch_put)(struct ct_atc *atc, int position);
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/* Don't touch! Used for internal object. */
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void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
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void *mixer; /* internal mixer object */
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struct hw *hw; /* chip specific hardware access object */
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void **daios; /* digital audio io resources */
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void **pcm; /* SUMs for collecting all pcm stream */
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void **srcs; /* Sample Rate Converters for input signal */
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void **srcimps; /* input mappers for SRCs */
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unsigned char n_daio;
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unsigned char n_src;
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unsigned char n_srcimp;
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unsigned char n_pcm;
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struct ct_timer *timer;
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#ifdef CONFIG_PM_SLEEP
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int (*suspend)(struct ct_atc *atc);
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int (*resume)(struct ct_atc *atc);
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#define NUM_PCMS (NUM_CTALSADEVS - 1)
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struct snd_pcm *pcms[NUM_PCMS];
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#endif
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};
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int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
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unsigned int rsr, unsigned int msr, int chip_type,
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unsigned int subsysid, struct ct_atc **ratc);
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int ct_atc_create_alsa_devs(struct ct_atc *atc);
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#endif /* CTATC_H */
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