Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Digigram miXart soundcards |
| 3 | * |
| 4 | * main file with alsa callbacks |
| 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 | |
| 24 | #include <sound/driver.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/interrupt.h> |
| 27 | #include <linux/pci.h> |
Tobias Klauser | 9d2f928 | 2006-03-22 10:53:19 +0100 | [diff] [blame] | 28 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <linux/moduleparam.h> |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 30 | #include <linux/mutex.h> |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 31 | #include <linux/dma-mapping.h> |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <sound/core.h> |
| 34 | #include <sound/initval.h> |
| 35 | #include <sound/info.h> |
| 36 | #include <sound/control.h> |
| 37 | #include <sound/pcm.h> |
| 38 | #include <sound/pcm_params.h> |
| 39 | #include "mixart.h" |
| 40 | #include "mixart_hwdep.h" |
| 41 | #include "mixart_core.h" |
| 42 | #include "mixart_mixer.h" |
| 43 | |
| 44 | #define CARD_NAME "miXart" |
| 45 | |
| 46 | MODULE_AUTHOR("Digigram <alsa@digigram.com>"); |
| 47 | MODULE_DESCRIPTION("Digigram " CARD_NAME); |
| 48 | MODULE_LICENSE("GPL"); |
| 49 | MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}"); |
| 50 | |
| 51 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 52 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 53 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ |
| 54 | |
| 55 | module_param_array(index, int, NULL, 0444); |
| 56 | MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard."); |
| 57 | module_param_array(id, charp, NULL, 0444); |
| 58 | MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard."); |
| 59 | module_param_array(enable, bool, NULL, 0444); |
| 60 | MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard."); |
| 61 | |
| 62 | /* |
| 63 | */ |
| 64 | |
| 65 | static struct pci_device_id snd_mixart_ids[] = { |
| 66 | { 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */ |
| 67 | { 0, } |
| 68 | }; |
| 69 | |
| 70 | MODULE_DEVICE_TABLE(pci, snd_mixart_ids); |
| 71 | |
| 72 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 73 | static int mixart_set_pipe_state(struct mixart_mgr *mgr, |
| 74 | struct mixart_pipe *pipe, int start) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 76 | struct mixart_group_state_req group_state; |
| 77 | struct mixart_group_state_resp group_state_resp; |
| 78 | struct mixart_msg request; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | int err; |
| 80 | u32 system_msg_uid; |
| 81 | |
| 82 | switch(pipe->status) { |
| 83 | case PIPE_RUNNING: |
| 84 | case PIPE_CLOCK_SET: |
| 85 | if(start) return 0; /* already started */ |
| 86 | break; |
| 87 | case PIPE_STOPPED: |
| 88 | if(!start) return 0; /* already stopped */ |
| 89 | break; |
| 90 | default: |
| 91 | snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n"); |
| 92 | return -EINVAL; /* function called with wrong pipe status */ |
| 93 | } |
| 94 | |
| 95 | system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */ |
| 96 | |
| 97 | /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */ |
| 98 | |
| 99 | request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 100 | request.uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | request.data = &system_msg_uid; |
| 102 | request.size = sizeof(system_msg_uid); |
| 103 | |
| 104 | err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid); |
| 105 | if(err) { |
| 106 | snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n"); |
| 107 | return err; |
| 108 | } |
| 109 | |
| 110 | /* start or stop the pipe (1 pipe) */ |
| 111 | |
| 112 | memset(&group_state, 0, sizeof(group_state)); |
| 113 | group_state.pipe_count = 1; |
| 114 | group_state.pipe_uid[0] = pipe->group_uid; |
| 115 | |
| 116 | if(start) |
| 117 | request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET; |
| 118 | else |
| 119 | request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET; |
| 120 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 121 | request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | request.data = &group_state; |
| 123 | request.size = sizeof(group_state); |
| 124 | |
| 125 | err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); |
| 126 | if (err < 0 || group_state_resp.txx_status != 0) { |
| 127 | snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); |
| 128 | return -EINVAL; |
| 129 | } |
| 130 | |
| 131 | if(start) { |
| 132 | u32 stat; |
| 133 | |
| 134 | group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */ |
| 135 | |
| 136 | err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); |
| 137 | if (err < 0 || group_state_resp.txx_status != 0) { |
| 138 | snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); |
| 139 | return -EINVAL; |
| 140 | } |
| 141 | |
| 142 | /* in case of start send a synchro top */ |
| 143 | |
| 144 | request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 145 | request.uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | request.data = NULL; |
| 147 | request.size = 0; |
| 148 | |
| 149 | err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat); |
| 150 | if (err < 0 || stat != 0) { |
| 151 | snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat); |
| 152 | return -EINVAL; |
| 153 | } |
| 154 | |
| 155 | pipe->status = PIPE_RUNNING; |
| 156 | } |
| 157 | else /* !start */ |
| 158 | pipe->status = PIPE_STOPPED; |
| 159 | |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 164 | static int mixart_set_clock(struct mixart_mgr *mgr, |
| 165 | struct mixart_pipe *pipe, unsigned int rate) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 167 | struct mixart_msg request; |
| 168 | struct mixart_clock_properties clock_properties; |
| 169 | struct mixart_clock_properties_resp clock_prop_resp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | int err; |
| 171 | |
| 172 | switch(pipe->status) { |
| 173 | case PIPE_CLOCK_SET: |
| 174 | break; |
| 175 | case PIPE_RUNNING: |
| 176 | if(rate != 0) |
| 177 | break; |
| 178 | default: |
| 179 | if(rate == 0) |
| 180 | return 0; /* nothing to do */ |
| 181 | else { |
| 182 | snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate); |
| 183 | return -EINVAL; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | memset(&clock_properties, 0, sizeof(clock_properties)); |
| 188 | clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK; |
| 189 | clock_properties.clock_mode = CM_STANDALONE; |
| 190 | clock_properties.frequency = rate; |
| 191 | clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */ |
| 192 | clock_properties.uid_caller[0] = pipe->group_uid; |
| 193 | |
| 194 | snd_printdd("mixart_set_clock to %d kHz\n", rate); |
| 195 | |
| 196 | request.message_id = MSG_CLOCK_SET_PROPERTIES; |
| 197 | request.uid = mgr->uid_console_manager; |
| 198 | request.data = &clock_properties; |
| 199 | request.size = sizeof(clock_properties); |
| 200 | |
| 201 | err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp); |
| 202 | if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) { |
| 203 | snd_printk(KERN_ERR "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n", err, clock_prop_resp.status, clock_prop_resp.clock_mode); |
| 204 | return -EINVAL; |
| 205 | } |
| 206 | |
| 207 | if(rate) pipe->status = PIPE_CLOCK_SET; |
| 208 | else pipe->status = PIPE_RUNNING; |
| 209 | |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | |
| 214 | /* |
| 215 | * Allocate or reference output pipe for analog IOs (pcmp0/1) |
| 216 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 217 | struct mixart_pipe * |
| 218 | snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, |
| 219 | int monitoring) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | { |
| 221 | int stream_count; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 222 | struct mixart_pipe *pipe; |
| 223 | struct mixart_msg request; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | |
| 225 | if(capture) { |
| 226 | if (pcm_number == MIXART_PCM_ANALOG) { |
| 227 | pipe = &(chip->pipe_in_ana); /* analog inputs */ |
| 228 | } else { |
| 229 | pipe = &(chip->pipe_in_dig); /* digital inputs */ |
| 230 | } |
| 231 | request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP; |
| 232 | stream_count = MIXART_CAPTURE_STREAMS; |
| 233 | } else { |
| 234 | if (pcm_number == MIXART_PCM_ANALOG) { |
| 235 | pipe = &(chip->pipe_out_ana); /* analog outputs */ |
| 236 | } else { |
| 237 | pipe = &(chip->pipe_out_dig); /* digital outputs */ |
| 238 | } |
| 239 | request.message_id = MSG_STREAM_ADD_INPUT_GROUP; |
| 240 | stream_count = MIXART_PLAYBACK_STREAMS; |
| 241 | } |
| 242 | |
| 243 | /* a new stream is opened and there are already all streams in use */ |
| 244 | if( (monitoring == 0) && (pipe->references >= stream_count) ) { |
| 245 | return NULL; |
| 246 | } |
| 247 | |
| 248 | /* pipe is not yet defined */ |
| 249 | if( pipe->status == PIPE_UNDEFINED ) { |
| 250 | int err, i; |
| 251 | struct { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 252 | struct mixart_streaming_group_req sgroup_req; |
| 253 | struct mixart_streaming_group sgroup_resp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | } *buf; |
| 255 | |
| 256 | snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number); |
| 257 | |
| 258 | buf = kmalloc(sizeof(*buf), GFP_KERNEL); |
| 259 | if (!buf) |
| 260 | return NULL; |
| 261 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 262 | request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | request.data = &buf->sgroup_req; |
| 264 | request.size = sizeof(buf->sgroup_req); |
| 265 | |
| 266 | memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req)); |
| 267 | |
| 268 | buf->sgroup_req.stream_count = stream_count; |
| 269 | buf->sgroup_req.channel_count = 2; |
| 270 | buf->sgroup_req.latency = 256; |
| 271 | buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */ |
| 272 | |
| 273 | for (i=0; i<stream_count; i++) { |
| 274 | int j; |
| 275 | struct mixart_flowinfo *flowinfo; |
| 276 | struct mixart_bufferinfo *bufferinfo; |
| 277 | |
| 278 | /* we don't yet know the format, so config 16 bit pcm audio for instance */ |
| 279 | buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024; |
| 280 | buf->sgroup_req.stream_info[i].size_max_sample_frame = 256; |
| 281 | buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */ |
| 282 | |
| 283 | /* find the right bufferinfo_array */ |
| 284 | j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i; |
| 285 | if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */ |
| 286 | |
| 287 | buf->sgroup_req.flow_entry[i] = j; |
| 288 | |
| 289 | flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 290 | flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */ |
| 292 | |
| 293 | bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; |
| 294 | bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */ |
| 295 | bufferinfo[j].available_length = 0; /* buffer is not yet allocated */ |
| 296 | |
| 297 | /* construct the identifier of the stream buffer received in the interrupts ! */ |
| 298 | bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i; |
| 299 | if(capture) { |
| 300 | bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK; |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp); |
| 305 | if((err < 0) || (buf->sgroup_resp.status != 0)) { |
| 306 | snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status); |
| 307 | kfree(buf); |
| 308 | return NULL; |
| 309 | } |
| 310 | |
| 311 | pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */ |
| 312 | pipe->stream_count = buf->sgroup_resp.stream_count; |
| 313 | /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */ |
| 314 | |
| 315 | pipe->status = PIPE_STOPPED; |
| 316 | kfree(buf); |
| 317 | } |
| 318 | |
| 319 | if(monitoring) pipe->monitoring = 1; |
| 320 | else pipe->references++; |
| 321 | |
| 322 | return pipe; |
| 323 | } |
| 324 | |
| 325 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 326 | int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, |
| 327 | struct mixart_pipe *pipe, int monitoring) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | { |
| 329 | int err = 0; |
| 330 | |
| 331 | if(pipe->status == PIPE_UNDEFINED) |
| 332 | return 0; |
| 333 | |
| 334 | if(monitoring) |
| 335 | pipe->monitoring = 0; |
| 336 | else |
| 337 | pipe->references--; |
| 338 | |
| 339 | if((pipe->references <= 0) && (pipe->monitoring == 0)) { |
| 340 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 341 | struct mixart_msg request; |
| 342 | struct mixart_delete_group_resp delete_resp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
| 344 | /* release the clock */ |
| 345 | err = mixart_set_clock( mgr, pipe, 0); |
| 346 | if( err < 0 ) { |
| 347 | snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n"); |
| 348 | } |
| 349 | |
| 350 | /* stop the pipe */ |
| 351 | err = mixart_set_pipe_state(mgr, pipe, 0); |
| 352 | if( err < 0 ) { |
| 353 | snd_printk(KERN_ERR "error stopping pipe!\n"); |
| 354 | } |
| 355 | |
| 356 | request.message_id = MSG_STREAM_DELETE_GROUP; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 357 | request.uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | request.data = &pipe->group_uid; /* the streaming group ! */ |
| 359 | request.size = sizeof(pipe->group_uid); |
| 360 | |
| 361 | /* delete the pipe */ |
| 362 | err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp); |
| 363 | if ((err < 0) || (delete_resp.status != 0)) { |
| 364 | snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status); |
| 365 | } |
| 366 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 367 | pipe->group_uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | pipe->stream_count = 0; |
| 369 | pipe->status = PIPE_UNDEFINED; |
| 370 | } |
| 371 | |
| 372 | return err; |
| 373 | } |
| 374 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 375 | static int mixart_set_stream_state(struct mixart_stream *stream, int start) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 377 | struct snd_mixart *chip; |
| 378 | struct mixart_stream_state_req stream_state_req; |
| 379 | struct mixart_msg request; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | |
| 381 | if(!stream->substream) |
| 382 | return -EINVAL; |
| 383 | |
| 384 | memset(&stream_state_req, 0, sizeof(stream_state_req)); |
| 385 | stream_state_req.stream_count = 1; |
| 386 | stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid; |
| 387 | stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number; |
| 388 | |
| 389 | if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 390 | request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET; |
| 391 | else |
| 392 | request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET; |
| 393 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 394 | request.uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | request.data = &stream_state_req; |
| 396 | request.size = sizeof(stream_state_req); |
| 397 | |
| 398 | stream->abs_period_elapsed = 0; /* reset stream pos */ |
| 399 | stream->buf_periods = 0; |
| 400 | stream->buf_period_frag = 0; |
| 401 | |
| 402 | chip = snd_pcm_substream_chip(stream->substream); |
| 403 | |
| 404 | return snd_mixart_send_msg_nonblock(chip->mgr, &request); |
| 405 | } |
| 406 | |
| 407 | /* |
| 408 | * Trigger callback |
| 409 | */ |
| 410 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 411 | static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 413 | struct mixart_stream *stream = subs->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
| 415 | switch (cmd) { |
| 416 | case SNDRV_PCM_TRIGGER_START: |
| 417 | |
| 418 | snd_printdd("SNDRV_PCM_TRIGGER_START\n"); |
| 419 | |
| 420 | /* START_STREAM */ |
| 421 | if( mixart_set_stream_state(stream, 1) ) |
| 422 | return -EINVAL; |
| 423 | |
| 424 | stream->status = MIXART_STREAM_STATUS_RUNNING; |
| 425 | |
| 426 | break; |
| 427 | case SNDRV_PCM_TRIGGER_STOP: |
| 428 | |
| 429 | /* STOP_STREAM */ |
| 430 | if( mixart_set_stream_state(stream, 0) ) |
| 431 | return -EINVAL; |
| 432 | |
| 433 | stream->status = MIXART_STREAM_STATUS_OPEN; |
| 434 | |
| 435 | snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); |
| 436 | |
| 437 | break; |
| 438 | |
| 439 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 440 | /* TODO */ |
| 441 | stream->status = MIXART_STREAM_STATUS_PAUSE; |
| 442 | snd_printdd("SNDRV_PCM_PAUSE_PUSH\n"); |
| 443 | break; |
| 444 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 445 | /* TODO */ |
| 446 | stream->status = MIXART_STREAM_STATUS_RUNNING; |
| 447 | snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n"); |
| 448 | break; |
| 449 | default: |
| 450 | return -EINVAL; |
| 451 | } |
| 452 | return 0; |
| 453 | } |
| 454 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 455 | static int mixart_sync_nonblock_events(struct mixart_mgr *mgr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | { |
Nishanth Aravamudan | ef21ca2 | 2005-07-09 10:13:22 +0200 | [diff] [blame] | 457 | unsigned long timeout = jiffies + HZ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | while (atomic_read(&mgr->msg_processed) > 0) { |
Nishanth Aravamudan | ef21ca2 | 2005-07-09 10:13:22 +0200 | [diff] [blame] | 459 | if (time_after(jiffies, timeout)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n"); |
| 461 | return -EBUSY; |
| 462 | } |
Nishanth Aravamudan | 8433a50 | 2005-10-24 15:02:37 +0200 | [diff] [blame] | 463 | schedule_timeout_uninterruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | } |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | /* |
| 469 | * prepare callback for all pcms |
| 470 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 471 | static int snd_mixart_prepare(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 473 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
| 474 | struct mixart_stream *stream = subs->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | |
| 476 | /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */ |
| 477 | |
| 478 | snd_printdd("snd_mixart_prepare\n"); |
| 479 | |
| 480 | mixart_sync_nonblock_events(chip->mgr); |
| 481 | |
| 482 | /* only the first stream can choose the sample rate */ |
| 483 | /* the further opened streams will be limited to its frequency (see open) */ |
| 484 | if(chip->mgr->ref_count_rate == 1) |
| 485 | chip->mgr->sample_rate = subs->runtime->rate; |
| 486 | |
| 487 | /* set the clock only once (first stream) on the same pipe */ |
| 488 | if(stream->pipe->references == 1) { |
| 489 | if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) ) |
| 490 | return -EINVAL; |
| 491 | } |
| 492 | |
| 493 | return 0; |
| 494 | } |
| 495 | |
| 496 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 497 | static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | { |
| 499 | int err; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 500 | struct snd_mixart *chip; |
| 501 | struct mixart_msg request; |
| 502 | struct mixart_stream_param_desc stream_param; |
| 503 | struct mixart_return_uid resp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | |
| 505 | chip = snd_pcm_substream_chip(stream->substream); |
| 506 | |
| 507 | memset(&stream_param, 0, sizeof(stream_param)); |
| 508 | |
| 509 | stream_param.coding_type = CT_LINEAR; |
| 510 | stream_param.number_of_channel = stream->channels; |
| 511 | |
| 512 | stream_param.sampling_freq = chip->mgr->sample_rate; |
| 513 | if(stream_param.sampling_freq == 0) |
| 514 | stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */ |
| 515 | |
| 516 | switch(format){ |
| 517 | case SNDRV_PCM_FORMAT_U8: |
| 518 | stream_param.sample_type = ST_INTEGER_8; |
| 519 | stream_param.sample_size = 8; |
| 520 | break; |
| 521 | case SNDRV_PCM_FORMAT_S16_LE: |
| 522 | stream_param.sample_type = ST_INTEGER_16LE; |
| 523 | stream_param.sample_size = 16; |
| 524 | break; |
| 525 | case SNDRV_PCM_FORMAT_S16_BE: |
| 526 | stream_param.sample_type = ST_INTEGER_16BE; |
| 527 | stream_param.sample_size = 16; |
| 528 | break; |
| 529 | case SNDRV_PCM_FORMAT_S24_3LE: |
| 530 | stream_param.sample_type = ST_INTEGER_24LE; |
| 531 | stream_param.sample_size = 24; |
| 532 | break; |
| 533 | case SNDRV_PCM_FORMAT_S24_3BE: |
| 534 | stream_param.sample_type = ST_INTEGER_24BE; |
| 535 | stream_param.sample_size = 24; |
| 536 | break; |
| 537 | case SNDRV_PCM_FORMAT_FLOAT_LE: |
| 538 | stream_param.sample_type = ST_FLOATING_POINT_32LE; |
| 539 | stream_param.sample_size = 32; |
| 540 | break; |
| 541 | case SNDRV_PCM_FORMAT_FLOAT_BE: |
| 542 | stream_param.sample_type = ST_FLOATING_POINT_32BE; |
| 543 | stream_param.sample_size = 32; |
| 544 | break; |
| 545 | default: |
| 546 | snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n"); |
| 547 | return -EINVAL; |
| 548 | } |
| 549 | |
| 550 | snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n", |
| 551 | stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels); |
| 552 | |
| 553 | /* TODO: what else to configure ? */ |
| 554 | /* stream_param.samples_per_frame = 2; */ |
| 555 | /* stream_param.bytes_per_frame = 4; */ |
| 556 | /* stream_param.bytes_per_sample = 2; */ |
| 557 | |
| 558 | stream_param.pipe_count = 1; /* set to 1 */ |
| 559 | stream_param.stream_count = 1; /* set to 1 */ |
| 560 | stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid; |
| 561 | stream_param.stream_desc[0].stream_idx = stream->substream->number; |
| 562 | |
| 563 | request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 564 | request.uid = (struct mixart_uid){0,0}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | request.data = &stream_param; |
| 566 | request.size = sizeof(stream_param); |
| 567 | |
| 568 | err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp); |
| 569 | if((err < 0) || resp.error_code) { |
| 570 | snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code); |
| 571 | return -EINVAL; |
| 572 | } |
| 573 | return 0; |
| 574 | } |
| 575 | |
| 576 | |
| 577 | /* |
| 578 | * HW_PARAMS callback for all pcms |
| 579 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 580 | static int snd_mixart_hw_params(struct snd_pcm_substream *subs, |
| 581 | struct snd_pcm_hw_params *hw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 583 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
| 584 | struct mixart_mgr *mgr = chip->mgr; |
| 585 | struct mixart_stream *stream = subs->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | snd_pcm_format_t format; |
| 587 | int err; |
| 588 | int channels; |
| 589 | |
| 590 | /* set up channels */ |
| 591 | channels = params_channels(hw); |
| 592 | |
| 593 | /* set up format for the stream */ |
| 594 | format = params_format(hw); |
| 595 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 596 | mutex_lock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | |
| 598 | /* update the stream levels */ |
| 599 | if( stream->pcm_number <= MIXART_PCM_DIGITAL ) { |
| 600 | int is_aes = stream->pcm_number > MIXART_PCM_ANALOG; |
| 601 | if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) |
| 602 | mixart_update_playback_stream_level(chip, is_aes, subs->number); |
| 603 | else |
| 604 | mixart_update_capture_stream_level( chip, is_aes); |
| 605 | } |
| 606 | |
| 607 | stream->channels = channels; |
| 608 | |
| 609 | /* set the format to the board */ |
| 610 | err = mixart_set_format(stream, format); |
| 611 | if(err < 0) { |
| 612 | return err; |
| 613 | } |
| 614 | |
| 615 | /* allocate buffer */ |
| 616 | err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); |
| 617 | |
| 618 | if (err > 0) { |
| 619 | struct mixart_bufferinfo *bufferinfo; |
| 620 | int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number; |
| 621 | if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) { |
| 622 | i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */ |
| 623 | } |
| 624 | |
| 625 | bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; |
| 626 | bufferinfo[i].buffer_address = subs->runtime->dma_addr; |
| 627 | bufferinfo[i].available_length = subs->runtime->dma_bytes; |
| 628 | /* bufferinfo[i].buffer_id is already defined */ |
| 629 | |
| 630 | snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i, |
| 631 | bufferinfo[i].buffer_address, |
| 632 | bufferinfo[i].available_length, |
| 633 | subs->number); |
| 634 | } |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 635 | mutex_unlock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | |
| 637 | return err; |
| 638 | } |
| 639 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 640 | static int snd_mixart_hw_free(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 642 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | snd_pcm_lib_free_pages(subs); |
| 644 | mixart_sync_nonblock_events(chip->mgr); |
| 645 | return 0; |
| 646 | } |
| 647 | |
| 648 | |
| 649 | |
| 650 | /* |
| 651 | * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max |
| 652 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 653 | static struct snd_pcm_hardware snd_mixart_analog_caps = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | { |
| 655 | .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 656 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | |
| 657 | SNDRV_PCM_INFO_PAUSE), |
| 658 | .formats = ( SNDRV_PCM_FMTBIT_U8 | |
| 659 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | |
| 660 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | |
| 661 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), |
| 662 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 663 | .rate_min = 8000, |
| 664 | .rate_max = 48000, |
| 665 | .channels_min = 1, |
| 666 | .channels_max = 2, |
| 667 | .buffer_bytes_max = (32*1024), |
| 668 | .period_bytes_min = 256, /* 256 frames U8 mono*/ |
| 669 | .period_bytes_max = (16*1024), |
| 670 | .periods_min = 2, |
| 671 | .periods_max = (32*1024/256), |
| 672 | }; |
| 673 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 674 | static struct snd_pcm_hardware snd_mixart_digital_caps = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | { |
| 676 | .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 677 | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | |
| 678 | SNDRV_PCM_INFO_PAUSE), |
| 679 | .formats = ( SNDRV_PCM_FMTBIT_U8 | |
| 680 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | |
| 681 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | |
| 682 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), |
| 683 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |
| 684 | .rate_min = 32000, |
| 685 | .rate_max = 48000, |
| 686 | .channels_min = 1, |
| 687 | .channels_max = 2, |
| 688 | .buffer_bytes_max = (32*1024), |
| 689 | .period_bytes_min = 256, /* 256 frames U8 mono*/ |
| 690 | .period_bytes_max = (16*1024), |
| 691 | .periods_min = 2, |
| 692 | .periods_max = (32*1024/256), |
| 693 | }; |
| 694 | |
| 695 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 696 | static int snd_mixart_playback_open(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 698 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
| 699 | struct mixart_mgr *mgr = chip->mgr; |
| 700 | struct snd_pcm_runtime *runtime = subs->runtime; |
| 701 | struct snd_pcm *pcm = subs->pcm; |
| 702 | struct mixart_stream *stream; |
| 703 | struct mixart_pipe *pipe; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | int err = 0; |
| 705 | int pcm_number; |
| 706 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 707 | mutex_lock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | |
| 709 | if ( pcm == chip->pcm ) { |
| 710 | pcm_number = MIXART_PCM_ANALOG; |
| 711 | runtime->hw = snd_mixart_analog_caps; |
| 712 | } else { |
| 713 | snd_assert ( pcm == chip->pcm_dig ); |
| 714 | pcm_number = MIXART_PCM_DIGITAL; |
| 715 | runtime->hw = snd_mixart_digital_caps; |
| 716 | } |
| 717 | snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); |
| 718 | |
| 719 | /* get stream info */ |
| 720 | stream = &(chip->playback_stream[pcm_number][subs->number]); |
| 721 | |
| 722 | if (stream->status != MIXART_STREAM_STATUS_FREE){ |
| 723 | /* streams in use */ |
| 724 | snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); |
| 725 | err = -EBUSY; |
| 726 | goto _exit_open; |
| 727 | } |
| 728 | |
| 729 | /* get pipe pointer (out pipe) */ |
| 730 | pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0); |
| 731 | |
| 732 | if (pipe == NULL) { |
| 733 | err = -EINVAL; |
| 734 | goto _exit_open; |
| 735 | } |
| 736 | |
| 737 | /* start the pipe if necessary */ |
| 738 | err = mixart_set_pipe_state(chip->mgr, pipe, 1); |
| 739 | if( err < 0 ) { |
| 740 | snd_printk(KERN_ERR "error starting pipe!\n"); |
| 741 | snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); |
| 742 | err = -EINVAL; |
| 743 | goto _exit_open; |
| 744 | } |
| 745 | |
| 746 | stream->pipe = pipe; |
| 747 | stream->pcm_number = pcm_number; |
| 748 | stream->status = MIXART_STREAM_STATUS_OPEN; |
| 749 | stream->substream = subs; |
| 750 | stream->channels = 0; /* not configured yet */ |
| 751 | |
| 752 | runtime->private_data = stream; |
| 753 | |
| 754 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
| 755 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); |
| 756 | |
| 757 | /* if a sample rate is already used, another stream cannot change */ |
| 758 | if(mgr->ref_count_rate++) { |
| 759 | if(mgr->sample_rate) { |
| 760 | runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | _exit_open: |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 765 | mutex_unlock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | |
| 767 | return err; |
| 768 | } |
| 769 | |
| 770 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 771 | static int snd_mixart_capture_open(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 773 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
| 774 | struct mixart_mgr *mgr = chip->mgr; |
| 775 | struct snd_pcm_runtime *runtime = subs->runtime; |
| 776 | struct snd_pcm *pcm = subs->pcm; |
| 777 | struct mixart_stream *stream; |
| 778 | struct mixart_pipe *pipe; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | int err = 0; |
| 780 | int pcm_number; |
| 781 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 782 | mutex_lock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | |
| 784 | if ( pcm == chip->pcm ) { |
| 785 | pcm_number = MIXART_PCM_ANALOG; |
| 786 | runtime->hw = snd_mixart_analog_caps; |
| 787 | } else { |
| 788 | snd_assert ( pcm == chip->pcm_dig ); |
| 789 | pcm_number = MIXART_PCM_DIGITAL; |
| 790 | runtime->hw = snd_mixart_digital_caps; |
| 791 | } |
| 792 | |
| 793 | runtime->hw.channels_min = 2; /* for instance, no mono */ |
| 794 | |
| 795 | snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); |
| 796 | |
| 797 | /* get stream info */ |
| 798 | stream = &(chip->capture_stream[pcm_number]); |
| 799 | |
| 800 | if (stream->status != MIXART_STREAM_STATUS_FREE){ |
| 801 | /* streams in use */ |
| 802 | snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); |
| 803 | err = -EBUSY; |
| 804 | goto _exit_open; |
| 805 | } |
| 806 | |
| 807 | /* get pipe pointer (in pipe) */ |
| 808 | pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0); |
| 809 | |
| 810 | if (pipe == NULL) { |
| 811 | err = -EINVAL; |
| 812 | goto _exit_open; |
| 813 | } |
| 814 | |
| 815 | /* start the pipe if necessary */ |
| 816 | err = mixart_set_pipe_state(chip->mgr, pipe, 1); |
| 817 | if( err < 0 ) { |
| 818 | snd_printk(KERN_ERR "error starting pipe!\n"); |
| 819 | snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); |
| 820 | err = -EINVAL; |
| 821 | goto _exit_open; |
| 822 | } |
| 823 | |
| 824 | stream->pipe = pipe; |
| 825 | stream->pcm_number = pcm_number; |
| 826 | stream->status = MIXART_STREAM_STATUS_OPEN; |
| 827 | stream->substream = subs; |
| 828 | stream->channels = 0; /* not configured yet */ |
| 829 | |
| 830 | runtime->private_data = stream; |
| 831 | |
| 832 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
| 833 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); |
| 834 | |
| 835 | /* if a sample rate is already used, another stream cannot change */ |
| 836 | if(mgr->ref_count_rate++) { |
| 837 | if(mgr->sample_rate) { |
| 838 | runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; |
| 839 | } |
| 840 | } |
| 841 | |
| 842 | _exit_open: |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 843 | mutex_unlock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | |
| 845 | return err; |
| 846 | } |
| 847 | |
| 848 | |
| 849 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 850 | static int snd_mixart_close(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 852 | struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
| 853 | struct mixart_mgr *mgr = chip->mgr; |
| 854 | struct mixart_stream *stream = subs->runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 856 | mutex_lock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | |
| 858 | snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number); |
| 859 | |
| 860 | /* sample rate released */ |
| 861 | if(--mgr->ref_count_rate == 0) { |
| 862 | mgr->sample_rate = 0; |
| 863 | } |
| 864 | |
| 865 | /* delete pipe */ |
| 866 | if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) { |
| 867 | |
| 868 | snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number); |
| 869 | } |
| 870 | |
| 871 | stream->pipe = NULL; |
| 872 | stream->status = MIXART_STREAM_STATUS_FREE; |
| 873 | stream->substream = NULL; |
| 874 | |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 875 | mutex_unlock(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | return 0; |
| 877 | } |
| 878 | |
| 879 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 880 | static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 882 | struct snd_pcm_runtime *runtime = subs->runtime; |
| 883 | struct mixart_stream *stream = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | |
| 885 | return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag); |
| 886 | } |
| 887 | |
| 888 | |
| 889 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 890 | static struct snd_pcm_ops snd_mixart_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | .open = snd_mixart_playback_open, |
| 892 | .close = snd_mixart_close, |
| 893 | .ioctl = snd_pcm_lib_ioctl, |
| 894 | .prepare = snd_mixart_prepare, |
| 895 | .hw_params = snd_mixart_hw_params, |
| 896 | .hw_free = snd_mixart_hw_free, |
| 897 | .trigger = snd_mixart_trigger, |
| 898 | .pointer = snd_mixart_stream_pointer, |
| 899 | }; |
| 900 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 901 | static struct snd_pcm_ops snd_mixart_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | .open = snd_mixart_capture_open, |
| 903 | .close = snd_mixart_close, |
| 904 | .ioctl = snd_pcm_lib_ioctl, |
| 905 | .prepare = snd_mixart_prepare, |
| 906 | .hw_params = snd_mixart_hw_params, |
| 907 | .hw_free = snd_mixart_hw_free, |
| 908 | .trigger = snd_mixart_trigger, |
| 909 | .pointer = snd_mixart_stream_pointer, |
| 910 | }; |
| 911 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 912 | static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | { |
| 914 | #if 0 |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 915 | struct snd_pcm_substream *subs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | int stream; |
| 917 | |
| 918 | for (stream = 0; stream < 2; stream++) { |
| 919 | int idx = 0; |
| 920 | for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++) |
| 921 | /* set up the unique device id with the chip index */ |
| 922 | subs->dma_device.id = subs->pcm->device << 16 | |
| 923 | subs->stream << 8 | (subs->number + 1) | |
| 924 | (chip->chip_idx + 1) << 24; |
| 925 | } |
| 926 | #endif |
| 927 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 928 | snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024); |
| 929 | } |
| 930 | |
| 931 | /* |
| 932 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 933 | static int snd_mixart_pcm_analog(struct snd_mixart *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | { |
| 935 | int err; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 936 | struct snd_pcm *pcm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | char name[32]; |
| 938 | |
| 939 | sprintf(name, "miXart analog %d", chip->chip_idx); |
| 940 | if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, |
| 941 | MIXART_PLAYBACK_STREAMS, |
| 942 | MIXART_CAPTURE_STREAMS, &pcm)) < 0) { |
| 943 | snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx); |
| 944 | return err; |
| 945 | } |
| 946 | |
| 947 | pcm->private_data = chip; |
| 948 | |
| 949 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); |
| 950 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); |
| 951 | |
| 952 | pcm->info_flags = 0; |
| 953 | strcpy(pcm->name, name); |
| 954 | |
| 955 | preallocate_buffers(chip, pcm); |
| 956 | |
| 957 | chip->pcm = pcm; |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | |
| 962 | /* |
| 963 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 964 | static int snd_mixart_pcm_digital(struct snd_mixart *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | { |
| 966 | int err; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 967 | struct snd_pcm *pcm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | char name[32]; |
| 969 | |
| 970 | sprintf(name, "miXart AES/EBU %d", chip->chip_idx); |
| 971 | if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, |
| 972 | MIXART_PLAYBACK_STREAMS, |
| 973 | MIXART_CAPTURE_STREAMS, &pcm)) < 0) { |
| 974 | snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx); |
| 975 | return err; |
| 976 | } |
| 977 | |
| 978 | pcm->private_data = chip; |
| 979 | |
| 980 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); |
| 981 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); |
| 982 | |
| 983 | pcm->info_flags = 0; |
| 984 | strcpy(pcm->name, name); |
| 985 | |
| 986 | preallocate_buffers(chip, pcm); |
| 987 | |
| 988 | chip->pcm_dig = pcm; |
| 989 | return 0; |
| 990 | } |
| 991 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 992 | static int snd_mixart_chip_free(struct snd_mixart *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | { |
| 994 | kfree(chip); |
| 995 | return 0; |
| 996 | } |
| 997 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 998 | static int snd_mixart_chip_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1000 | struct snd_mixart *chip = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | return snd_mixart_chip_free(chip); |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | /* |
| 1006 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1007 | static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | { |
| 1009 | int err; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1010 | struct snd_mixart *chip; |
| 1011 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | .dev_free = snd_mixart_chip_dev_free, |
| 1013 | }; |
| 1014 | |
Takashi Iwai | e560d8d | 2005-09-09 14:21:46 +0200 | [diff] [blame] | 1015 | mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | if (! chip) { |
| 1017 | snd_printk(KERN_ERR "cannot allocate chip\n"); |
| 1018 | return -ENOMEM; |
| 1019 | } |
| 1020 | |
| 1021 | chip->card = card; |
| 1022 | chip->chip_idx = idx; |
| 1023 | chip->mgr = mgr; |
| 1024 | |
| 1025 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 1026 | snd_mixart_chip_free(chip); |
| 1027 | return err; |
| 1028 | } |
| 1029 | |
| 1030 | snd_card_set_dev(card, &mgr->pci->dev); |
| 1031 | |
| 1032 | return 0; |
| 1033 | } |
| 1034 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1035 | int snd_mixart_create_pcm(struct snd_mixart* chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | { |
| 1037 | int err; |
| 1038 | |
| 1039 | err = snd_mixart_pcm_analog(chip); |
| 1040 | if (err < 0) |
| 1041 | return err; |
| 1042 | |
| 1043 | if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { |
| 1044 | |
| 1045 | err = snd_mixart_pcm_digital(chip); |
| 1046 | if (err < 0) |
| 1047 | return err; |
| 1048 | } |
| 1049 | return err; |
| 1050 | } |
| 1051 | |
| 1052 | |
| 1053 | /* |
| 1054 | * release all the cards assigned to a manager instance |
| 1055 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1056 | static int snd_mixart_free(struct mixart_mgr *mgr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | { |
| 1058 | unsigned int i; |
| 1059 | |
| 1060 | for (i = 0; i < mgr->num_cards; i++) { |
| 1061 | if (mgr->chip[i]) |
| 1062 | snd_card_free(mgr->chip[i]->card); |
| 1063 | } |
| 1064 | |
| 1065 | /* stop mailbox */ |
| 1066 | snd_mixart_exit_mailbox(mgr); |
| 1067 | |
| 1068 | /* release irq */ |
| 1069 | if (mgr->irq >= 0) |
| 1070 | free_irq(mgr->irq, (void *)mgr); |
| 1071 | |
| 1072 | /* reset board if some firmware was loaded */ |
| 1073 | if(mgr->dsp_loaded) { |
| 1074 | snd_mixart_reset_board(mgr); |
| 1075 | snd_printdd("reset miXart !\n"); |
| 1076 | } |
| 1077 | |
| 1078 | /* release the i/o ports */ |
| 1079 | for (i = 0; i < 2; i++) { |
| 1080 | if (mgr->mem[i].virt) |
| 1081 | iounmap(mgr->mem[i].virt); |
| 1082 | } |
| 1083 | pci_release_regions(mgr->pci); |
| 1084 | |
| 1085 | /* free flowarray */ |
| 1086 | if(mgr->flowinfo.area) { |
| 1087 | snd_dma_free_pages(&mgr->flowinfo); |
| 1088 | mgr->flowinfo.area = NULL; |
| 1089 | } |
| 1090 | /* free bufferarray */ |
| 1091 | if(mgr->bufferinfo.area) { |
| 1092 | snd_dma_free_pages(&mgr->bufferinfo); |
| 1093 | mgr->bufferinfo.area = NULL; |
| 1094 | } |
| 1095 | |
| 1096 | pci_disable_device(mgr->pci); |
| 1097 | kfree(mgr); |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
| 1101 | /* |
| 1102 | * proc interface |
| 1103 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1104 | static long long snd_mixart_BA0_llseek(struct snd_info_entry *entry, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | void *private_file_data, |
| 1106 | struct file *file, |
| 1107 | long long offset, |
| 1108 | int orig) |
| 1109 | { |
| 1110 | offset = offset & ~3; /* 4 bytes aligned */ |
| 1111 | |
| 1112 | switch(orig) { |
| 1113 | case 0: /* SEEK_SET */ |
| 1114 | file->f_pos = offset; |
| 1115 | break; |
| 1116 | case 1: /* SEEK_CUR */ |
| 1117 | file->f_pos += offset; |
| 1118 | break; |
| 1119 | case 2: /* SEEK_END, offset is negative */ |
| 1120 | file->f_pos = MIXART_BA0_SIZE + offset; |
| 1121 | break; |
| 1122 | default: |
| 1123 | return -EINVAL; |
| 1124 | } |
| 1125 | if(file->f_pos > MIXART_BA0_SIZE) |
| 1126 | file->f_pos = MIXART_BA0_SIZE; |
| 1127 | return file->f_pos; |
| 1128 | } |
| 1129 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1130 | static long long snd_mixart_BA1_llseek(struct snd_info_entry *entry, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | void *private_file_data, |
| 1132 | struct file *file, |
| 1133 | long long offset, |
| 1134 | int orig) |
| 1135 | { |
| 1136 | offset = offset & ~3; /* 4 bytes aligned */ |
| 1137 | |
| 1138 | switch(orig) { |
| 1139 | case 0: /* SEEK_SET */ |
| 1140 | file->f_pos = offset; |
| 1141 | break; |
| 1142 | case 1: /* SEEK_CUR */ |
| 1143 | file->f_pos += offset; |
| 1144 | break; |
| 1145 | case 2: /* SEEK_END, offset is negative */ |
| 1146 | file->f_pos = MIXART_BA1_SIZE + offset; |
| 1147 | break; |
| 1148 | default: |
| 1149 | return -EINVAL; |
| 1150 | } |
| 1151 | if(file->f_pos > MIXART_BA1_SIZE) |
| 1152 | file->f_pos = MIXART_BA1_SIZE; |
| 1153 | return file->f_pos; |
| 1154 | } |
| 1155 | |
| 1156 | /* |
| 1157 | mixart_BA0 proc interface for BAR 0 - read callback |
| 1158 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1159 | static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private_data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | struct file *file, char __user *buf, |
| 1161 | unsigned long count, unsigned long pos) |
| 1162 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1163 | struct mixart_mgr *mgr = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | |
| 1165 | count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ |
| 1166 | if(count <= 0) |
| 1167 | return 0; |
| 1168 | if(pos + count > MIXART_BA0_SIZE) |
| 1169 | count = (long)(MIXART_BA0_SIZE - pos); |
| 1170 | if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) |
| 1171 | return -EFAULT; |
| 1172 | return count; |
| 1173 | } |
| 1174 | |
| 1175 | /* |
| 1176 | mixart_BA1 proc interface for BAR 1 - read callback |
| 1177 | */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1178 | static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private_data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | struct file *file, char __user *buf, |
| 1180 | unsigned long count, unsigned long pos) |
| 1181 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1182 | struct mixart_mgr *mgr = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | |
| 1184 | count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ |
| 1185 | if(count <= 0) |
| 1186 | return 0; |
| 1187 | if(pos + count > MIXART_BA1_SIZE) |
| 1188 | count = (long)(MIXART_BA1_SIZE - pos); |
| 1189 | if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) |
| 1190 | return -EFAULT; |
| 1191 | return count; |
| 1192 | } |
| 1193 | |
| 1194 | static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { |
| 1195 | .read = snd_mixart_BA0_read, |
| 1196 | .llseek = snd_mixart_BA0_llseek |
| 1197 | }; |
| 1198 | |
| 1199 | static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = { |
| 1200 | .read = snd_mixart_BA1_read, |
| 1201 | .llseek = snd_mixart_BA1_llseek |
| 1202 | }; |
| 1203 | |
| 1204 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1205 | static void snd_mixart_proc_read(struct snd_info_entry *entry, |
| 1206 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1207 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1208 | struct snd_mixart *chip = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1209 | u32 ref; |
| 1210 | |
| 1211 | snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx); |
| 1212 | |
| 1213 | /* stats available when embedded OS is running */ |
| 1214 | if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) { |
| 1215 | snd_iprintf(buffer, "- hardware -\n"); |
| 1216 | switch (chip->mgr->board_type ) { |
| 1217 | case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break; |
| 1218 | case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break; |
| 1219 | case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break; |
| 1220 | default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break; |
| 1221 | } |
| 1222 | |
| 1223 | snd_iprintf(buffer, "- system load -\n"); |
| 1224 | |
| 1225 | /* get perf reference */ |
| 1226 | |
| 1227 | ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET)); |
| 1228 | |
| 1229 | if (ref) { |
| 1230 | u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref; |
| 1231 | u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref; |
| 1232 | u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref; |
| 1233 | |
| 1234 | snd_iprintf(buffer, "\tstreaming : %d\n", streaming); |
| 1235 | snd_iprintf(buffer, "\tmailbox : %d\n", mailbox); |
| 1236 | snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr); |
| 1237 | } |
| 1238 | } /* endif elf loaded */ |
| 1239 | } |
| 1240 | |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1241 | static void __devinit snd_mixart_proc_init(struct snd_mixart *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1242 | { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1243 | struct snd_info_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | |
| 1245 | /* text interface to read perf and temp meters */ |
| 1246 | if (! snd_card_proc_new(chip->card, "board_info", &entry)) { |
| 1247 | entry->private_data = chip; |
| 1248 | entry->c.text.read_size = 1024; |
| 1249 | entry->c.text.read = snd_mixart_proc_read; |
| 1250 | } |
| 1251 | |
| 1252 | if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) { |
| 1253 | entry->content = SNDRV_INFO_CONTENT_DATA; |
| 1254 | entry->private_data = chip->mgr; |
| 1255 | entry->c.ops = &snd_mixart_proc_ops_BA0; |
| 1256 | entry->size = MIXART_BA0_SIZE; |
| 1257 | } |
| 1258 | if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) { |
| 1259 | entry->content = SNDRV_INFO_CONTENT_DATA; |
| 1260 | entry->private_data = chip->mgr; |
| 1261 | entry->c.ops = &snd_mixart_proc_ops_BA1; |
| 1262 | entry->size = MIXART_BA1_SIZE; |
| 1263 | } |
| 1264 | } |
| 1265 | /* end of proc interface */ |
| 1266 | |
| 1267 | |
| 1268 | /* |
| 1269 | * probe function - creates the card manager |
| 1270 | */ |
| 1271 | static int __devinit snd_mixart_probe(struct pci_dev *pci, |
| 1272 | const struct pci_device_id *pci_id) |
| 1273 | { |
| 1274 | static int dev; |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1275 | struct mixart_mgr *mgr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1276 | unsigned int i; |
| 1277 | int err; |
| 1278 | size_t size; |
| 1279 | |
| 1280 | /* |
| 1281 | */ |
| 1282 | if (dev >= SNDRV_CARDS) |
| 1283 | return -ENODEV; |
| 1284 | if (! enable[dev]) { |
| 1285 | dev++; |
| 1286 | return -ENOENT; |
| 1287 | } |
| 1288 | |
| 1289 | /* enable PCI device */ |
| 1290 | if ((err = pci_enable_device(pci)) < 0) |
| 1291 | return err; |
| 1292 | pci_set_master(pci); |
| 1293 | |
| 1294 | /* check if we can restrict PCI DMA transfers to 32 bits */ |
Tobias Klauser | 9d2f928 | 2006-03-22 10:53:19 +0100 | [diff] [blame] | 1295 | if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1296 | snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n"); |
| 1297 | pci_disable_device(pci); |
| 1298 | return -ENXIO; |
| 1299 | } |
| 1300 | |
| 1301 | /* |
| 1302 | */ |
Takashi Iwai | e560d8d | 2005-09-09 14:21:46 +0200 | [diff] [blame] | 1303 | mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1304 | if (! mgr) { |
| 1305 | pci_disable_device(pci); |
| 1306 | return -ENOMEM; |
| 1307 | } |
| 1308 | |
| 1309 | mgr->pci = pci; |
| 1310 | mgr->irq = -1; |
| 1311 | |
| 1312 | /* resource assignment */ |
| 1313 | if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { |
| 1314 | kfree(mgr); |
| 1315 | pci_disable_device(pci); |
| 1316 | return err; |
| 1317 | } |
| 1318 | for (i = 0; i < 2; i++) { |
| 1319 | mgr->mem[i].phys = pci_resource_start(pci, i); |
| 1320 | mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys, |
| 1321 | pci_resource_len(pci, i)); |
| 1322 | } |
| 1323 | |
| 1324 | if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) { |
| 1325 | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
| 1326 | snd_mixart_free(mgr); |
| 1327 | return -EBUSY; |
| 1328 | } |
| 1329 | mgr->irq = pci->irq; |
| 1330 | |
| 1331 | sprintf(mgr->shortname, "Digigram miXart"); |
| 1332 | sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq); |
| 1333 | |
| 1334 | /* ISR spinlock */ |
| 1335 | spin_lock_init(&mgr->lock); |
| 1336 | |
| 1337 | /* init mailbox */ |
| 1338 | mgr->msg_fifo_readptr = 0; |
| 1339 | mgr->msg_fifo_writeptr = 0; |
| 1340 | |
| 1341 | spin_lock_init(&mgr->msg_lock); |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1342 | mutex_init(&mgr->msg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | init_waitqueue_head(&mgr->msg_sleep); |
| 1344 | atomic_set(&mgr->msg_processed, 0); |
| 1345 | |
| 1346 | /* init setup mutex*/ |
Ingo Molnar | 62932df | 2006-01-16 16:34:20 +0100 | [diff] [blame] | 1347 | mutex_init(&mgr->setup_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1348 | |
| 1349 | /* init message taslket */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1350 | tasklet_init(&mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | |
| 1352 | /* card assignment */ |
| 1353 | mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */ |
| 1354 | for (i = 0; i < mgr->num_cards; i++) { |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1355 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1356 | char tmpid[16]; |
| 1357 | int idx; |
| 1358 | |
| 1359 | if (index[dev] < 0) |
| 1360 | idx = index[dev]; |
| 1361 | else |
| 1362 | idx = index[dev] + i; |
| 1363 | snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i); |
| 1364 | card = snd_card_new(idx, tmpid, THIS_MODULE, 0); |
| 1365 | |
| 1366 | if (! card) { |
| 1367 | snd_printk(KERN_ERR "cannot allocate the card %d\n", i); |
| 1368 | snd_mixart_free(mgr); |
| 1369 | return -ENOMEM; |
| 1370 | } |
| 1371 | |
| 1372 | strcpy(card->driver, CARD_NAME); |
| 1373 | sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); |
| 1374 | sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); |
| 1375 | |
| 1376 | if ((err = snd_mixart_create(mgr, card, i)) < 0) { |
| 1377 | snd_mixart_free(mgr); |
| 1378 | return err; |
| 1379 | } |
| 1380 | |
| 1381 | if(i==0) { |
| 1382 | /* init proc interface only for chip0 */ |
| 1383 | snd_mixart_proc_init(mgr->chip[i]); |
| 1384 | } |
| 1385 | |
| 1386 | if ((err = snd_card_register(card)) < 0) { |
| 1387 | snd_mixart_free(mgr); |
| 1388 | return err; |
| 1389 | } |
| 1390 | } |
| 1391 | |
| 1392 | /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */ |
| 1393 | mgr->board_type = MIXART_DAUGHTER_TYPE_NONE; |
| 1394 | |
| 1395 | /* create array of streaminfo */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1396 | size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * |
| 1397 | sizeof(struct mixart_flowinfo)) ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1398 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), |
| 1399 | size, &mgr->flowinfo) < 0) { |
| 1400 | snd_mixart_free(mgr); |
| 1401 | return -ENOMEM; |
| 1402 | } |
| 1403 | /* init streaminfo_array */ |
| 1404 | memset(mgr->flowinfo.area, 0, size); |
| 1405 | |
| 1406 | /* create array of bufferinfo */ |
Takashi Iwai | 67b48b8 | 2005-11-17 15:01:08 +0100 | [diff] [blame] | 1407 | size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * |
| 1408 | sizeof(struct mixart_bufferinfo)) ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1409 | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), |
| 1410 | size, &mgr->bufferinfo) < 0) { |
| 1411 | snd_mixart_free(mgr); |
| 1412 | return -ENOMEM; |
| 1413 | } |
| 1414 | /* init bufferinfo_array */ |
| 1415 | memset(mgr->bufferinfo.area, 0, size); |
| 1416 | |
| 1417 | /* set up firmware */ |
| 1418 | err = snd_mixart_setup_firmware(mgr); |
| 1419 | if (err < 0) { |
| 1420 | snd_mixart_free(mgr); |
| 1421 | return err; |
| 1422 | } |
| 1423 | |
| 1424 | pci_set_drvdata(pci, mgr); |
| 1425 | dev++; |
| 1426 | return 0; |
| 1427 | } |
| 1428 | |
| 1429 | static void __devexit snd_mixart_remove(struct pci_dev *pci) |
| 1430 | { |
| 1431 | snd_mixart_free(pci_get_drvdata(pci)); |
| 1432 | pci_set_drvdata(pci, NULL); |
| 1433 | } |
| 1434 | |
| 1435 | static struct pci_driver driver = { |
| 1436 | .name = "Digigram miXart", |
| 1437 | .id_table = snd_mixart_ids, |
| 1438 | .probe = snd_mixart_probe, |
| 1439 | .remove = __devexit_p(snd_mixart_remove), |
| 1440 | }; |
| 1441 | |
| 1442 | static int __init alsa_card_mixart_init(void) |
| 1443 | { |
Takashi Iwai | 01d25d4 | 2005-04-11 16:58:24 +0200 | [diff] [blame] | 1444 | return pci_register_driver(&driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1445 | } |
| 1446 | |
| 1447 | static void __exit alsa_card_mixart_exit(void) |
| 1448 | { |
| 1449 | pci_unregister_driver(&driver); |
| 1450 | } |
| 1451 | |
| 1452 | module_init(alsa_card_mixart_init) |
| 1453 | module_exit(alsa_card_mixart_exit) |