release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/mixart/mixart.h

   1 /*
   2  * Driver for Digigram miXart soundcards
   3  *
   4  * main header file
   5  *
   6  * Copyright (c) 2003 by Digigram <alsa@digigram.com>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #ifndef __SOUND_MIXART_H
  24 #define __SOUND_MIXART_H
  25
  26 #include <linux/interrupt.h>
  27 #include <linux/mutex.h>
  28 #include <sound/pcm.h>
  29
  30 #define MIXART_DRIVER_VERSION   0x000100        /* 0.1.0 */
  31
  32
  33 /*
  34  */
  35
  36 struct mixart_uid {
  37         u32 object_id;
  38         u32 desc;
  39 };
  40
  41 struct mem_area {
  42         unsigned long phys;
  43         void __iomem *virt;
  44         struct resource *res;
  45 };
  46
  47
  48 struct mixart_route {
  49         unsigned char connected;
  50         unsigned char phase_inv;
  51         int volume;
  52 };
  53
  54
  55 /* firmware status codes  */
  56 #define MIXART_MOTHERBOARD_XLX_INDEX  0
  57 #define MIXART_MOTHERBOARD_ELF_INDEX  1
  58 #define MIXART_AESEBUBOARD_XLX_INDEX  2
  59 #define MIXART_HARDW_FILES_MAX_INDEX  3  /* xilinx, elf, AESEBU xilinx */
  60
  61 #define MIXART_MAX_CARDS        4
  62 #define MSG_FIFO_SIZE           16
  63
  64 #define MIXART_MAX_PHYS_CONNECTORS  (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
  65
  66 struct mixart_mgr {
  67         unsigned int num_cards;
  68         struct snd_mixart *chip[MIXART_MAX_CARDS];
  69
  70         struct pci_dev *pci;
  71
  72         int irq;
  73
  74         /* memory-maps */
  75         struct mem_area mem[2];
  76
  77         /* share the name */
  78         char shortname[32];         /* short name of this soundcard */
  79         char longname[80];          /* name of this soundcard */
  80
  81         /* message tasklet */
  82         struct tasklet_struct msg_taskq;
  83
  84         /* one and only blocking message or notification may be pending  */
  85         u32 pending_event;
  86         wait_queue_head_t msg_sleep;
  87
  88         /* messages stored for tasklet */
  89         u32 msg_fifo[MSG_FIFO_SIZE];
  90         int msg_fifo_readptr;
  91         int msg_fifo_writeptr;
  92         atomic_t msg_processed;       /* number of messages to be processed in takslet */
  93
  94         spinlock_t lock;              /* interrupt spinlock */
  95         spinlock_t msg_lock;          /* mailbox spinlock */
  96         struct mutex msg_mutex;   /* mutex for blocking_requests */
  97
  98         struct mutex setup_mutex; /* mutex used in hw_params, open and close */
  99
 100         /* hardware interface */
 101         unsigned int dsp_loaded;      /* bit flags of loaded dsp indices */
 102         unsigned int board_type;      /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
 103
 104         struct snd_dma_buffer flowinfo;
 105         struct snd_dma_buffer bufferinfo;
 106
 107         struct mixart_uid         uid_console_manager;
 108         int sample_rate;
 109         int ref_count_rate;
 110
 111         struct mutex mixer_mutex; /* mutex for mixer */
 112
 113 };
 114
 115
 116 #define MIXART_STREAM_STATUS_FREE       0
 117 #define MIXART_STREAM_STATUS_OPEN       1
 118 #define MIXART_STREAM_STATUS_RUNNING    2
 119 #define MIXART_STREAM_STATUS_DRAINING   3
 120 #define MIXART_STREAM_STATUS_PAUSE      4
 121
 122 #define MIXART_PLAYBACK_STREAMS         4
 123 #define MIXART_CAPTURE_STREAMS          1
 124
 125 #define MIXART_PCM_ANALOG               0
 126 #define MIXART_PCM_DIGITAL              1
 127 #define MIXART_PCM_TOTAL                2
 128
 129 #define MIXART_MAX_STREAM_PER_CARD  (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
 130
 131
 132 #define MIXART_NOTIFY_CARD_MASK         0xF000
 133 #define MIXART_NOTIFY_CARD_OFFSET       12
 134 #define MIXART_NOTIFY_PCM_MASK          0x0F00
 135 #define MIXART_NOTIFY_PCM_OFFSET        8
 136 #define MIXART_NOTIFY_CAPT_MASK         0x0080
 137 #define MIXART_NOTIFY_SUBS_MASK         0x007F
 138
 139
 140 struct mixart_stream {
 141         struct snd_pcm_substream *substream;
 142         struct mixart_pipe *pipe;
 143         int pcm_number;
 144
 145         int status;      /* nothing, running, draining */
 146
 147         u64  abs_period_elapsed;  /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
 148         u32  buf_periods;         /* periods counter in the buffer (< runtime->periods) */
 149         u32  buf_period_frag;     /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
 150
 151         int channels;
 152 };
 153
 154
 155 enum mixart_pipe_status {
 156         PIPE_UNDEFINED,
 157         PIPE_STOPPED,
 158         PIPE_RUNNING,
 159         PIPE_CLOCK_SET
 160 };
 161
 162 struct mixart_pipe {
 163         struct mixart_uid group_uid;                    /* id of the pipe, as returned by embedded */
 164         int          stream_count;
 165         struct mixart_uid uid_left_connector;   /* UID's for the audio connectors */
 166         struct mixart_uid uid_right_connector;
 167         enum mixart_pipe_status status;
 168         int references;             /* number of subs openned */
 169         int monitoring;             /* pipe used for monitoring issue */
 170 };
 171
 172
 173 struct snd_mixart {
 174         struct snd_card *card;
 175         struct mixart_mgr *mgr;
 176         int chip_idx;               /* zero based */
 177         struct snd_hwdep *hwdep;            /* DSP loader, only for the first card */
 178
 179         struct snd_pcm *pcm;             /* PCM analog i/o */
 180         struct snd_pcm *pcm_dig;         /* PCM digital i/o */
 181
 182         /* allocate stereo pipe for instance */
 183         struct mixart_pipe pipe_in_ana;
 184         struct mixart_pipe pipe_out_ana;
 185
 186         /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
 187         struct mixart_pipe pipe_in_dig;
 188         struct mixart_pipe pipe_out_dig;
 189
 190         struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
 191         struct mixart_stream capture_stream[MIXART_PCM_TOTAL];                           /* 0 = pcm, 1 = pcm_dig */
 192
 193         /* UID's for the physical io's */
 194         struct mixart_uid uid_out_analog_physio;
 195         struct mixart_uid uid_in_analog_physio;
 196
 197         int analog_playback_active[2];          /* Mixer : Master Playback active (!mute) */
 198         int analog_playback_volume[2];          /* Mixer : Master Playback Volume */
 199         int analog_capture_volume[2];           /* Mixer : Master Capture Volume */
 200         int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
 201         int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
 202         int digital_capture_volume[2][2];       /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
 203         int monitoring_active[2];               /* Mixer : Monitoring Active */
 204         int monitoring_volume[2];               /* Mixer : Monitoring Volume */
 205 };
 206
 207 struct mixart_bufferinfo
 208 {
 209         u32 buffer_address;
 210         u32 reserved[5];
 211         u32 available_length;
 212         u32 buffer_id;
 213 };
 214
 215 struct mixart_flowinfo
 216 {
 217         u32 bufferinfo_array_phy_address;
 218         u32 reserved[11];
 219         u32 bufferinfo_count;
 220         u32 capture;
 221 };
 222
 223 /* exported */
 224 int snd_mixart_create_pcm(struct snd_mixart * chip);
 225 struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring);
 226 int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring);
 227
 228 #endif /* __SOUND_MIXART_H */