diff options
Diffstat (limited to 'sound/pci/ctxfi/ctatc.h')
| -rw-r--r-- | sound/pci/ctxfi/ctatc.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h new file mode 100644 index 00000000000..286c993d461 --- /dev/null +++ b/sound/pci/ctxfi/ctatc.h @@ -0,0 +1,155 @@ +/** + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * This source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + * @File ctatc.h + * + * @Brief + * This file contains the definition of the device resource management object. + * + * @Author Liu Chun + * @Date Mar 28 2008 + * + */ + +#ifndef CTATC_H +#define CTATC_H + +#include <linux/types.h> +#include <linux/spinlock_types.h> +#include <linux/pci.h> +#include <linux/timer.h> +#include <sound/core.h> + +#include "ctvmem.h" +#include "ctresource.h" + +enum CTALSADEVS { /* Types of alsa devices */ + FRONT, + REAR, + CLFE, + SURROUND, + IEC958, + MIXER, + NUM_CTALSADEVS /* This should always be the last */ +}; + +enum CTCARDS { + CTSB0760, + CTHENDRIX, + CTSB08801, + CTSB08802, + CTSB08803, + NUM_CTCARDS /* This should always be the last */ +}; + +struct ct_atc_chip_sub_details { + u16 subsys; + const char *nm_model; +}; + +struct ct_atc_chip_details { + u16 vendor; + u16 device; + const struct ct_atc_chip_sub_details *sub_details; + const char *nm_card; +}; + +struct ct_atc; + +/* alsa pcm stream descriptor */ +struct ct_atc_pcm { + struct snd_pcm_substream *substream; + void (*interrupt)(struct ct_atc_pcm *apcm); + unsigned int started:1; + unsigned int stop_timer:1; + struct timer_list timer; + spinlock_t timer_lock; + unsigned int position; + + /* Only mono and interleaved modes are supported now. */ + struct ct_vm_block *vm_block; + void *src; /* SRC for interacting with host memory */ + void **srccs; /* SRCs for sample rate conversion */ + void **srcimps; /* SRC Input Mappers */ + void **amixers; /* AMIXERs for routing converted data */ + void *mono; /* A SUM resource for mixing chs to one */ + unsigned char n_srcc; /* Number of converting SRCs */ + unsigned char n_srcimp; /* Number of SRC Input Mappers */ + unsigned char n_amixer; /* Number of AMIXERs */ +}; + +/* Chip resource management object */ +struct ct_atc { + struct pci_dev *pci; + struct snd_card *card; + unsigned int rsr; /* reference sample rate in Hz */ + unsigned int msr; /* master sample rate in rsr */ + unsigned int pll_rate; /* current rate of Phase Lock Loop */ + + const struct ct_atc_chip_details *chip_details; + enum CTCARDS model; + /* Create all alsa devices */ + int (*create_alsa_devs)(struct ct_atc *atc); + + struct ct_vm *vm; /* device virtual memory manager for this card */ + int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index); + + spinlock_t atc_lock; + spinlock_t vm_lock; + + int (*pcm_playback_prepare)(struct ct_atc *atc, + struct ct_atc_pcm *apcm); + int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + int (*pcm_playback_position)(struct ct_atc *atc, + struct ct_atc_pcm *apcm); + int (*spdif_passthru_playback_prepare)(struct ct_atc *atc, + struct ct_atc_pcm *apcm); + int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm); + int (*pcm_capture_position)(struct ct_atc *atc, + struct ct_atc_pcm *apcm); + int (*pcm_release_resources)(struct ct_atc *atc, + struct ct_atc_pcm *apcm); + int (*select_line_in)(struct ct_atc *atc); + int (*select_mic_in)(struct ct_atc *atc); + int (*select_digit_io)(struct ct_atc *atc); + int (*line_front_unmute)(struct ct_atc *atc, unsigned char state); + int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state); + int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state); + int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state); + int (*line_in_unmute)(struct ct_atc *atc, unsigned char state); + int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state); + int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state); + int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status); + int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status); + int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state); + int (*have_digit_io_switch)(struct ct_atc *atc); + + /* Don't touch! Used for internal object. */ + void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */ + void *mixer; /* internal mixer object */ + void *hw; /* chip specific hardware access object */ + void **daios; /* digital audio io resources */ + void **pcm; /* SUMs for collecting all pcm stream */ + void **srcs; /* Sample Rate Converters for input signal */ + void **srcimps; /* input mappers for SRCs */ + unsigned char n_daio; + unsigned char n_src; + unsigned char n_srcimp; + unsigned char n_pcm; +}; + + +int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci, + unsigned int rsr, unsigned int msr, + struct ct_atc **ratc); + +#endif /* CTATC_H */ |