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 <sound/pcm.h>
  28
  29 #define MIXART_DRIVER_VERSION   0x000100        /* 0.1.0 */
  30
  31
  32 /*
  33  */
  34
  35 #define mixart_t_magic          0xa17a3e01
  36 #define mixart_mgr_t_magic      0xa17a3e02
  37
  38 typedef struct snd_mixart mixart_t;
  39 typedef struct snd_mixart_mgr mixart_mgr_t;
  40
  41 typedef struct snd_mixart_stream mixart_stream_t;
  42 typedef struct snd_mixart_pipe mixart_pipe_t;
  43
  44 typedef struct mixart_bufferinfo mixart_bufferinfo_t;
  45 typedef struct mixart_flowinfo mixart_flowinfo_t;
  46 typedef struct mixart_uid mixart_uid_t;
  47
  48 struct mixart_uid
  49 {
  50         u32 object_id;
  51         u32 desc;
  52 };
  53
  54 struct mem_area {
  55         unsigned long phys;
  56         void __iomem *virt;
  57         struct resource *res;
  58 };
  59
  60
  61 typedef struct mixart_route mixart_route_t;
  62 struct mixart_route {
  63         unsigned char connected;
  64         unsigned char phase_inv;
  65         int volume;
  66 };
  67
  68
  69 /* firmware status codes  */
  70 #define MIXART_MOTHERBOARD_XLX_INDEX  0
  71 #define MIXART_MOTHERBOARD_ELF_INDEX  1
  72 #define MIXART_AESEBUBOARD_XLX_INDEX  2
  73 #define MIXART_HARDW_FILES_MAX_INDEX  3  /* xilinx, elf, AESEBU xilinx */
  74
  75 #define MIXART_MAX_CARDS        4
  76 #define MSG_FIFO_SIZE           16
  77
  78 #define MIXART_MAX_PHYS_CONNECTORS  (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
  79
  80 struct snd_mixart_mgr {
  81         unsigned int num_cards;
  82         mixart_t *chip[MIXART_MAX_CARDS];
  83
  84         struct pci_dev *pci;
  85
  86         int irq;
  87
  88         /* memory-maps */
  89         struct mem_area mem[2];
  90
  91         /* share the name */
  92         char shortname[32];         /* short name of this soundcard */
  93         char longname[80];          /* name of this soundcard */
  94
  95         /* message tasklet */
  96         struct tasklet_struct msg_taskq;
  97
  98         /* one and only blocking message or notification may be pending  */
  99         u32 pending_event;
 100         wait_queue_head_t msg_sleep;
 101
 102         /* messages stored for tasklet */
 103         u32 msg_fifo[MSG_FIFO_SIZE];
 104         int msg_fifo_readptr;
 105         int msg_fifo_writeptr;
 106         atomic_t msg_processed;       /* number of messages to be processed in takslet */
 107
 108         spinlock_t lock;              /* interrupt spinlock */
 109         spinlock_t msg_lock;          /* mailbox spinlock */
 110         struct semaphore msg_mutex;   /* mutex for blocking_requests */
 111
 112         struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
 113
 114         /* hardware interface */
 115         unsigned int dsp_loaded;      /* bit flags of loaded dsp indices */
 116         unsigned int board_type;      /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
 117
 118         struct snd_dma_buffer flowinfo;
 119         struct snd_dma_buffer bufferinfo;
 120
 121         mixart_uid_t         uid_console_manager;
 122         int sample_rate;
 123         int ref_count_rate;
 124
 125         struct semaphore mixer_mutex; /* mutex for mixer */
 126
 127 };
 128
 129
 130 #define MIXART_STREAM_STATUS_FREE       0
 131 #define MIXART_STREAM_STATUS_OPEN       1
 132 #define MIXART_STREAM_STATUS_RUNNING    2
 133 #define MIXART_STREAM_STATUS_DRAINING   3
 134 #define MIXART_STREAM_STATUS_PAUSE      4
 135
 136 #define MIXART_PLAYBACK_STREAMS         4
 137 #define MIXART_CAPTURE_STREAMS          1
 138
 139 #define MIXART_PCM_ANALOG               0
 140 #define MIXART_PCM_DIGITAL              1
 141 #define MIXART_PCM_TOTAL                2
 142
 143 #define MIXART_MAX_STREAM_PER_CARD  (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
 144
 145
 146 #define MIXART_NOTIFY_CARD_MASK         0xF000
 147 #define MIXART_NOTIFY_CARD_OFFSET       12
 148 #define MIXART_NOTIFY_PCM_MASK          0x0F00
 149 #define MIXART_NOTIFY_PCM_OFFSET        8
 150 #define MIXART_NOTIFY_CAPT_MASK         0x0080
 151 #define MIXART_NOTIFY_SUBS_MASK         0x007F
 152
 153
 154 struct snd_mixart_stream {
 155         snd_pcm_substream_t *substream;
 156         mixart_pipe_t *pipe;
 157         int pcm_number;
 158
 159         int status;      /* nothing, running, draining */
 160
 161         u64  abs_period_elapsed;  /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
 162         u32  buf_periods;         /* periods counter in the buffer (< runtime->periods) */
 163         u32  buf_period_frag;     /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
 164
 165         int channels;
 166 };
 167
 168
 169 enum mixart_pipe_status {
 170         PIPE_UNDEFINED,
 171         PIPE_STOPPED,
 172         PIPE_RUNNING,
 173         PIPE_CLOCK_SET
 174 };
 175
 176 struct snd_mixart_pipe {
 177         mixart_uid_t group_uid;                 /* id of the pipe, as returned by embedded */
 178         int          stream_count;
 179         mixart_uid_t uid_left_connector;        /* UID's for the audio connectors */
 180         mixart_uid_t uid_right_connector;
 181         enum mixart_pipe_status status;
 182         int references;             /* number of subs openned */
 183         int monitoring;             /* pipe used for monitoring issue */
 184 };
 185
 186
 187 struct snd_mixart {
 188         snd_card_t *card;
 189         mixart_mgr_t *mgr;
 190         int chip_idx;               /* zero based */
 191         snd_hwdep_t *hwdep;         /* DSP loader, only for the first card */
 192
 193         snd_pcm_t *pcm;             /* PCM analog i/o */
 194         snd_pcm_t *pcm_dig;         /* PCM digital i/o */
 195
 196         /* allocate stereo pipe for instance */
 197         mixart_pipe_t pipe_in_ana;
 198         mixart_pipe_t pipe_out_ana;
 199
 200         /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
 201         mixart_pipe_t pipe_in_dig;
 202         mixart_pipe_t pipe_out_dig;
 203
 204         mixart_stream_t playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
 205         mixart_stream_t capture_stream[MIXART_PCM_TOTAL];                           /* 0 = pcm, 1 = pcm_dig */
 206
 207         /* UID's for the physical io's */
 208         mixart_uid_t uid_out_analog_physio;
 209         mixart_uid_t uid_in_analog_physio;
 210
 211         int analog_playback_active[2];          /* Mixer : Master Playback active (!mute) */
 212         int analog_playback_volume[2];          /* Mixer : Master Playback Volume */
 213         int analog_capture_volume[2];           /* Mixer : Master Capture Volume */
 214         int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
 215         int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
 216         int digital_capture_volume[2][2];       /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
 217         int monitoring_active[2];               /* Mixer : Monitoring Active */
 218         int monitoring_volume[2];               /* Mixer : Monitoring Volume */
 219 };
 220
 221 struct mixart_bufferinfo
 222 {
 223         u32 buffer_address;
 224         u32 reserved[5];
 225         u32 available_length;
 226         u32 buffer_id;
 227 };
 228
 229 struct mixart_flowinfo
 230 {
 231         u32 bufferinfo_array_phy_address;
 232         u32 reserved[11];
 233         u32 bufferinfo_count;
 234         u32 capture;
 235 };
 236
 237 /* exported */
 238 int snd_mixart_create_pcm(mixart_t* chip);
 239 mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring);
 240 int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring);
 241
 242 #endif /* __SOUND_MIXART_H */