229 lines
6.7 KiB
C
229 lines
6.7 KiB
C
/*
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* Driver for Digigram miXart soundcards
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*
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* main header file
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*
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* Copyright (c) 2003 by Digigram <alsa@digigram.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __SOUND_MIXART_H
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#define __SOUND_MIXART_H
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#include <linux/interrupt.h>
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#include <linux/mutex.h>
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#include <sound/pcm.h>
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#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
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/*
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*/
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struct mixart_uid {
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u32 object_id;
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u32 desc;
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};
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struct mem_area {
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unsigned long phys;
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void __iomem *virt;
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struct resource *res;
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};
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struct mixart_route {
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unsigned char connected;
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unsigned char phase_inv;
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int volume;
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};
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/* firmware status codes */
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#define MIXART_MOTHERBOARD_XLX_INDEX 0
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#define MIXART_MOTHERBOARD_ELF_INDEX 1
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#define MIXART_AESEBUBOARD_XLX_INDEX 2
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#define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */
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#define MIXART_MAX_CARDS 4
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#define MSG_FIFO_SIZE 16
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#define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
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struct mixart_mgr {
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unsigned int num_cards;
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struct snd_mixart *chip[MIXART_MAX_CARDS];
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struct pci_dev *pci;
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int irq;
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/* memory-maps */
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struct mem_area mem[2];
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/* share the name */
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char shortname[32]; /* short name of this soundcard */
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char longname[80]; /* name of this soundcard */
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/* message tasklet */
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struct tasklet_struct msg_taskq;
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/* one and only blocking message or notification may be pending */
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u32 pending_event;
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wait_queue_head_t msg_sleep;
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/* messages stored for tasklet */
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u32 msg_fifo[MSG_FIFO_SIZE];
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int msg_fifo_readptr;
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int msg_fifo_writeptr;
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atomic_t msg_processed; /* number of messages to be processed in takslet */
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spinlock_t lock; /* interrupt spinlock */
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spinlock_t msg_lock; /* mailbox spinlock */
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struct mutex msg_mutex; /* mutex for blocking_requests */
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struct mutex setup_mutex; /* mutex used in hw_params, open and close */
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/* hardware interface */
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unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
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unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
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struct snd_dma_buffer flowinfo;
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struct snd_dma_buffer bufferinfo;
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struct mixart_uid uid_console_manager;
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int sample_rate;
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int ref_count_rate;
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struct mutex mixer_mutex; /* mutex for mixer */
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};
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#define MIXART_STREAM_STATUS_FREE 0
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#define MIXART_STREAM_STATUS_OPEN 1
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#define MIXART_STREAM_STATUS_RUNNING 2
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#define MIXART_STREAM_STATUS_DRAINING 3
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#define MIXART_STREAM_STATUS_PAUSE 4
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#define MIXART_PLAYBACK_STREAMS 4
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#define MIXART_CAPTURE_STREAMS 1
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#define MIXART_PCM_ANALOG 0
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#define MIXART_PCM_DIGITAL 1
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#define MIXART_PCM_TOTAL 2
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#define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
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#define MIXART_NOTIFY_CARD_MASK 0xF000
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#define MIXART_NOTIFY_CARD_OFFSET 12
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#define MIXART_NOTIFY_PCM_MASK 0x0F00
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#define MIXART_NOTIFY_PCM_OFFSET 8
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#define MIXART_NOTIFY_CAPT_MASK 0x0080
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#define MIXART_NOTIFY_SUBS_MASK 0x007F
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struct mixart_stream {
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struct snd_pcm_substream *substream;
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struct mixart_pipe *pipe;
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int pcm_number;
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int status; /* nothing, running, draining */
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u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
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u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */
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u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
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int channels;
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};
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enum mixart_pipe_status {
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PIPE_UNDEFINED,
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PIPE_STOPPED,
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PIPE_RUNNING,
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PIPE_CLOCK_SET
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};
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struct mixart_pipe {
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struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */
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int stream_count;
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struct mixart_uid uid_left_connector; /* UID's for the audio connectors */
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struct mixart_uid uid_right_connector;
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enum mixart_pipe_status status;
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int references; /* number of subs openned */
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int monitoring; /* pipe used for monitoring issue */
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};
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struct snd_mixart {
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struct snd_card *card;
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struct mixart_mgr *mgr;
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int chip_idx; /* zero based */
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struct snd_hwdep *hwdep; /* DSP loader, only for the first card */
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struct snd_pcm *pcm; /* PCM analog i/o */
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struct snd_pcm *pcm_dig; /* PCM digital i/o */
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/* allocate stereo pipe for instance */
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struct mixart_pipe pipe_in_ana;
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struct mixart_pipe pipe_out_ana;
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/* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
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struct mixart_pipe pipe_in_dig;
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struct mixart_pipe pipe_out_dig;
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struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
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struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */
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/* UID's for the physical io's */
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struct mixart_uid uid_out_analog_physio;
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struct mixart_uid uid_in_analog_physio;
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int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
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int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
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int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
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int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
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int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
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int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
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int monitoring_active[2]; /* Mixer : Monitoring Active */
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int monitoring_volume[2]; /* Mixer : Monitoring Volume */
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};
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struct mixart_bufferinfo
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{
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u32 buffer_address;
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u32 reserved[5];
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u32 available_length;
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u32 buffer_id;
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};
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struct mixart_flowinfo
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{
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u32 bufferinfo_array_phy_address;
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u32 reserved[11];
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u32 bufferinfo_count;
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u32 capture;
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};
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/* exported */
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int snd_mixart_create_pcm(struct snd_mixart * chip);
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struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring);
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int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring);
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#endif /* __SOUND_MIXART_H */
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