]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Driver for Digigram VX soundcards | |
3 | * | |
4 | * Hardware core part | |
5 | * | |
6 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | |
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 | ||
1da177e4 LT |
23 | #include <linux/delay.h> |
24 | #include <linux/slab.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/device.h> | |
28 | #include <linux/firmware.h> | |
da155d5b | 29 | #include <linux/module.h> |
6cbbfe1c | 30 | #include <linux/io.h> |
1da177e4 LT |
31 | #include <sound/core.h> |
32 | #include <sound/pcm.h> | |
33 | #include <sound/asoundef.h> | |
34 | #include <sound/info.h> | |
1da177e4 LT |
35 | #include <sound/vx_core.h> |
36 | #include "vx_cmd.h" | |
37 | ||
38 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); | |
39 | MODULE_DESCRIPTION("Common routines for Digigram VX drivers"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | ||
1da177e4 LT |
43 | /* |
44 | * vx_check_reg_bit - wait for the specified bit is set/reset on a register | |
45 | * @reg: register to check | |
46 | * @mask: bit mask | |
47 | * @bit: resultant bit to be checked | |
48 | * @time: time-out of loop in msec | |
49 | * | |
50 | * returns zero if a bit matches, or a negative error code. | |
51 | */ | |
af26367f | 52 | int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time) |
1da177e4 LT |
53 | { |
54 | unsigned long end_time = jiffies + (time * HZ + 999) / 1000; | |
1da177e4 LT |
55 | static char *reg_names[VX_REG_MAX] = { |
56 | "ICR", "CVR", "ISR", "IVR", "RXH", "RXM", "RXL", | |
57 | "DMA", "CDSP", "RFREQ", "RUER/V2", "DATA", "MEMIRQ", | |
58 | "ACQ", "BIT0", "BIT1", "MIC0", "MIC1", "MIC2", | |
59 | "MIC3", "INTCSR", "CNTRL", "GPIOC", | |
60 | "LOFREQ", "HIFREQ", "CSUER", "RUER" | |
61 | }; | |
86b27237 | 62 | |
1da177e4 LT |
63 | do { |
64 | if ((snd_vx_inb(chip, reg) & mask) == bit) | |
65 | return 0; | |
bdbae7e6 | 66 | //msleep(10); |
1da177e4 LT |
67 | } while (time_after_eq(end_time, jiffies)); |
68 | snd_printd(KERN_DEBUG "vx_check_reg_bit: timeout, reg=%s, mask=0x%x, val=0x%x\n", reg_names[reg], mask, snd_vx_inb(chip, reg)); | |
69 | return -EIO; | |
70 | } | |
71 | ||
fa325eb3 TI |
72 | EXPORT_SYMBOL(snd_vx_check_reg_bit); |
73 | ||
1da177e4 LT |
74 | /* |
75 | * vx_send_irq_dsp - set command irq bit | |
76 | * @num: the requested IRQ type, IRQ_XXX | |
77 | * | |
78 | * this triggers the specified IRQ request | |
79 | * returns 0 if successful, or a negative error code. | |
80 | * | |
81 | */ | |
af26367f | 82 | static int vx_send_irq_dsp(struct vx_core *chip, int num) |
1da177e4 LT |
83 | { |
84 | int nirq; | |
85 | ||
86 | /* wait for Hc = 0 */ | |
87 | if (snd_vx_check_reg_bit(chip, VX_CVR, CVR_HC, 0, 200) < 0) | |
88 | return -EIO; | |
89 | ||
90 | nirq = num; | |
91 | if (vx_has_new_dsp(chip)) | |
92 | nirq += VXP_IRQ_OFFSET; | |
93 | vx_outb(chip, CVR, (nirq >> 1) | CVR_HC); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | ||
98 | /* | |
99 | * vx_reset_chk - reset CHK bit on ISR | |
100 | * | |
101 | * returns 0 if successful, or a negative error code. | |
102 | */ | |
af26367f | 103 | static int vx_reset_chk(struct vx_core *chip) |
1da177e4 LT |
104 | { |
105 | /* Reset irq CHK */ | |
106 | if (vx_send_irq_dsp(chip, IRQ_RESET_CHK) < 0) | |
107 | return -EIO; | |
108 | /* Wait until CHK = 0 */ | |
109 | if (vx_check_isr(chip, ISR_CHK, 0, 200) < 0) | |
110 | return -EIO; | |
111 | return 0; | |
112 | } | |
113 | ||
114 | /* | |
115 | * vx_transfer_end - terminate message transfer | |
116 | * @cmd: IRQ message to send (IRQ_MESS_XXX_END) | |
117 | * | |
118 | * returns 0 if successful, or a negative error code. | |
119 | * the error code can be VX-specific, retrieved via vx_get_error(). | |
db0a5214 | 120 | * NB: call with mutex held! |
1da177e4 | 121 | */ |
af26367f | 122 | static int vx_transfer_end(struct vx_core *chip, int cmd) |
1da177e4 LT |
123 | { |
124 | int err; | |
125 | ||
126 | if ((err = vx_reset_chk(chip)) < 0) | |
127 | return err; | |
128 | ||
129 | /* irq MESS_READ/WRITE_END */ | |
130 | if ((err = vx_send_irq_dsp(chip, cmd)) < 0) | |
131 | return err; | |
132 | ||
133 | /* Wait CHK = 1 */ | |
134 | if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) | |
135 | return err; | |
136 | ||
137 | /* If error, Read RX */ | |
138 | if ((err = vx_inb(chip, ISR)) & ISR_ERR) { | |
139 | if ((err = vx_wait_for_rx_full(chip)) < 0) { | |
140 | snd_printd(KERN_DEBUG "transfer_end: error in rx_full\n"); | |
141 | return err; | |
142 | } | |
143 | err = vx_inb(chip, RXH) << 16; | |
144 | err |= vx_inb(chip, RXM) << 8; | |
145 | err |= vx_inb(chip, RXL); | |
146 | snd_printd(KERN_DEBUG "transfer_end: error = 0x%x\n", err); | |
147 | return -(VX_ERR_MASK | err); | |
148 | } | |
149 | return 0; | |
150 | } | |
151 | ||
152 | /* | |
153 | * vx_read_status - return the status rmh | |
154 | * @rmh: rmh record to store the status | |
155 | * | |
156 | * returns 0 if successful, or a negative error code. | |
157 | * the error code can be VX-specific, retrieved via vx_get_error(). | |
db0a5214 | 158 | * NB: call with mutex held! |
1da177e4 | 159 | */ |
af26367f | 160 | static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh) |
1da177e4 LT |
161 | { |
162 | int i, err, val, size; | |
163 | ||
164 | /* no read necessary? */ | |
165 | if (rmh->DspStat == RMH_SSIZE_FIXED && rmh->LgStat == 0) | |
166 | return 0; | |
167 | ||
168 | /* Wait for RX full (with timeout protection) | |
169 | * The first word of status is in RX | |
170 | */ | |
171 | err = vx_wait_for_rx_full(chip); | |
172 | if (err < 0) | |
173 | return err; | |
174 | ||
175 | /* Read RX */ | |
176 | val = vx_inb(chip, RXH) << 16; | |
177 | val |= vx_inb(chip, RXM) << 8; | |
178 | val |= vx_inb(chip, RXL); | |
179 | ||
180 | /* If status given by DSP, let's decode its size */ | |
181 | switch (rmh->DspStat) { | |
182 | case RMH_SSIZE_ARG: | |
183 | size = val & 0xff; | |
184 | rmh->Stat[0] = val & 0xffff00; | |
185 | rmh->LgStat = size + 1; | |
186 | break; | |
187 | case RMH_SSIZE_MASK: | |
188 | /* Let's count the arg numbers from a mask */ | |
189 | rmh->Stat[0] = val; | |
190 | size = 0; | |
191 | while (val) { | |
192 | if (val & 0x01) | |
193 | size++; | |
194 | val >>= 1; | |
195 | } | |
196 | rmh->LgStat = size + 1; | |
197 | break; | |
198 | default: | |
199 | /* else retrieve the status length given by the driver */ | |
200 | size = rmh->LgStat; | |
201 | rmh->Stat[0] = val; /* Val is the status 1st word */ | |
202 | size--; /* hence adjust remaining length */ | |
203 | break; | |
204 | } | |
205 | ||
206 | if (size < 1) | |
207 | return 0; | |
fefe228c | 208 | if (snd_BUG_ON(size >= SIZE_MAX_STATUS)) |
5e246b85 | 209 | return -EINVAL; |
1da177e4 LT |
210 | |
211 | for (i = 1; i <= size; i++) { | |
212 | /* trigger an irq MESS_WRITE_NEXT */ | |
213 | err = vx_send_irq_dsp(chip, IRQ_MESS_WRITE_NEXT); | |
214 | if (err < 0) | |
215 | return err; | |
216 | /* Wait for RX full (with timeout protection) */ | |
217 | err = vx_wait_for_rx_full(chip); | |
218 | if (err < 0) | |
219 | return err; | |
220 | rmh->Stat[i] = vx_inb(chip, RXH) << 16; | |
221 | rmh->Stat[i] |= vx_inb(chip, RXM) << 8; | |
222 | rmh->Stat[i] |= vx_inb(chip, RXL); | |
223 | } | |
224 | ||
225 | return vx_transfer_end(chip, IRQ_MESS_WRITE_END); | |
226 | } | |
227 | ||
228 | ||
229 | #define MASK_MORE_THAN_1_WORD_COMMAND 0x00008000 | |
230 | #define MASK_1_WORD_COMMAND 0x00ff7fff | |
231 | ||
232 | /* | |
233 | * vx_send_msg_nolock - send a DSP message and read back the status | |
234 | * @rmh: the rmh record to send and receive | |
235 | * | |
236 | * returns 0 if successful, or a negative error code. | |
237 | * the error code can be VX-specific, retrieved via vx_get_error(). | |
238 | * | |
db0a5214 | 239 | * this function doesn't call mutex lock at all. |
1da177e4 | 240 | */ |
af26367f | 241 | int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh) |
1da177e4 LT |
242 | { |
243 | int i, err; | |
244 | ||
245 | if (chip->chip_status & VX_STAT_IS_STALE) | |
246 | return -EBUSY; | |
247 | ||
248 | if ((err = vx_reset_chk(chip)) < 0) { | |
249 | snd_printd(KERN_DEBUG "vx_send_msg: vx_reset_chk error\n"); | |
250 | return err; | |
251 | } | |
252 | ||
253 | #if 0 | |
254 | printk(KERN_DEBUG "rmh: cmd = 0x%06x, length = %d, stype = %d\n", | |
255 | rmh->Cmd[0], rmh->LgCmd, rmh->DspStat); | |
256 | if (rmh->LgCmd > 1) { | |
257 | printk(KERN_DEBUG " "); | |
258 | for (i = 1; i < rmh->LgCmd; i++) | |
07f070dd TI |
259 | printk(KERN_CONT "0x%06x ", rmh->Cmd[i]); |
260 | printk(KERN_CONT "\n"); | |
1da177e4 LT |
261 | } |
262 | #endif | |
263 | /* Check bit M is set according to length of the command */ | |
264 | if (rmh->LgCmd > 1) | |
265 | rmh->Cmd[0] |= MASK_MORE_THAN_1_WORD_COMMAND; | |
266 | else | |
267 | rmh->Cmd[0] &= MASK_1_WORD_COMMAND; | |
268 | ||
269 | /* Wait for TX empty */ | |
270 | if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) { | |
271 | snd_printd(KERN_DEBUG "vx_send_msg: wait tx empty error\n"); | |
272 | return err; | |
273 | } | |
274 | ||
275 | /* Write Cmd[0] */ | |
276 | vx_outb(chip, TXH, (rmh->Cmd[0] >> 16) & 0xff); | |
277 | vx_outb(chip, TXM, (rmh->Cmd[0] >> 8) & 0xff); | |
278 | vx_outb(chip, TXL, rmh->Cmd[0] & 0xff); | |
279 | ||
280 | /* Trigger irq MESSAGE */ | |
281 | if ((err = vx_send_irq_dsp(chip, IRQ_MESSAGE)) < 0) { | |
282 | snd_printd(KERN_DEBUG "vx_send_msg: send IRQ_MESSAGE error\n"); | |
283 | return err; | |
284 | } | |
285 | ||
286 | /* Wait for CHK = 1 */ | |
287 | if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) | |
288 | return err; | |
289 | ||
290 | /* If error, get error value from RX */ | |
291 | if (vx_inb(chip, ISR) & ISR_ERR) { | |
292 | if ((err = vx_wait_for_rx_full(chip)) < 0) { | |
293 | snd_printd(KERN_DEBUG "vx_send_msg: rx_full read error\n"); | |
294 | return err; | |
295 | } | |
296 | err = vx_inb(chip, RXH) << 16; | |
297 | err |= vx_inb(chip, RXM) << 8; | |
298 | err |= vx_inb(chip, RXL); | |
299 | snd_printd(KERN_DEBUG "msg got error = 0x%x at cmd[0]\n", err); | |
300 | err = -(VX_ERR_MASK | err); | |
301 | return err; | |
302 | } | |
303 | ||
304 | /* Send the other words */ | |
305 | if (rmh->LgCmd > 1) { | |
306 | for (i = 1; i < rmh->LgCmd; i++) { | |
307 | /* Wait for TX ready */ | |
308 | if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) { | |
309 | snd_printd(KERN_DEBUG "vx_send_msg: tx_ready error\n"); | |
310 | return err; | |
311 | } | |
312 | ||
313 | /* Write Cmd[i] */ | |
314 | vx_outb(chip, TXH, (rmh->Cmd[i] >> 16) & 0xff); | |
315 | vx_outb(chip, TXM, (rmh->Cmd[i] >> 8) & 0xff); | |
316 | vx_outb(chip, TXL, rmh->Cmd[i] & 0xff); | |
317 | ||
318 | /* Trigger irq MESS_READ_NEXT */ | |
319 | if ((err = vx_send_irq_dsp(chip, IRQ_MESS_READ_NEXT)) < 0) { | |
320 | snd_printd(KERN_DEBUG "vx_send_msg: IRQ_READ_NEXT error\n"); | |
321 | return err; | |
322 | } | |
323 | } | |
324 | /* Wait for TX empty */ | |
325 | if ((err = vx_wait_isr_bit(chip, ISR_TX_READY)) < 0) { | |
326 | snd_printd(KERN_DEBUG "vx_send_msg: TX_READY error\n"); | |
327 | return err; | |
328 | } | |
329 | /* End of transfer */ | |
330 | err = vx_transfer_end(chip, IRQ_MESS_READ_END); | |
331 | if (err < 0) | |
332 | return err; | |
333 | } | |
334 | ||
335 | return vx_read_status(chip, rmh); | |
336 | } | |
337 | ||
338 | ||
339 | /* | |
db0a5214 | 340 | * vx_send_msg - send a DSP message with mutex |
1da177e4 LT |
341 | * @rmh: the rmh record to send and receive |
342 | * | |
343 | * returns 0 if successful, or a negative error code. | |
344 | * see vx_send_msg_nolock(). | |
345 | */ | |
af26367f | 346 | int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh) |
1da177e4 | 347 | { |
1da177e4 LT |
348 | int err; |
349 | ||
db0a5214 | 350 | mutex_lock(&chip->lock); |
1da177e4 | 351 | err = vx_send_msg_nolock(chip, rmh); |
db0a5214 | 352 | mutex_unlock(&chip->lock); |
1da177e4 LT |
353 | return err; |
354 | } | |
355 | ||
356 | ||
357 | /* | |
358 | * vx_send_rih_nolock - send an RIH to xilinx | |
359 | * @cmd: the command to send | |
360 | * | |
361 | * returns 0 if successful, or a negative error code. | |
362 | * the error code can be VX-specific, retrieved via vx_get_error(). | |
363 | * | |
db0a5214 | 364 | * this function doesn't call mutex at all. |
1da177e4 LT |
365 | * |
366 | * unlike RMH, no command is sent to DSP. | |
367 | */ | |
af26367f | 368 | int vx_send_rih_nolock(struct vx_core *chip, int cmd) |
1da177e4 LT |
369 | { |
370 | int err; | |
371 | ||
372 | if (chip->chip_status & VX_STAT_IS_STALE) | |
373 | return -EBUSY; | |
374 | ||
375 | #if 0 | |
376 | printk(KERN_DEBUG "send_rih: cmd = 0x%x\n", cmd); | |
377 | #endif | |
378 | if ((err = vx_reset_chk(chip)) < 0) | |
379 | return err; | |
380 | /* send the IRQ */ | |
381 | if ((err = vx_send_irq_dsp(chip, cmd)) < 0) | |
382 | return err; | |
383 | /* Wait CHK = 1 */ | |
384 | if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) | |
385 | return err; | |
386 | /* If error, read RX */ | |
387 | if (vx_inb(chip, ISR) & ISR_ERR) { | |
388 | if ((err = vx_wait_for_rx_full(chip)) < 0) | |
389 | return err; | |
390 | err = vx_inb(chip, RXH) << 16; | |
391 | err |= vx_inb(chip, RXM) << 8; | |
392 | err |= vx_inb(chip, RXL); | |
393 | return -(VX_ERR_MASK | err); | |
394 | } | |
395 | return 0; | |
396 | } | |
397 | ||
398 | ||
399 | /* | |
db0a5214 | 400 | * vx_send_rih - send an RIH with mutex |
1da177e4 LT |
401 | * @cmd: the command to send |
402 | * | |
403 | * see vx_send_rih_nolock(). | |
404 | */ | |
af26367f | 405 | int vx_send_rih(struct vx_core *chip, int cmd) |
1da177e4 | 406 | { |
1da177e4 LT |
407 | int err; |
408 | ||
db0a5214 | 409 | mutex_lock(&chip->lock); |
1da177e4 | 410 | err = vx_send_rih_nolock(chip, cmd); |
db0a5214 | 411 | mutex_unlock(&chip->lock); |
1da177e4 LT |
412 | return err; |
413 | } | |
414 | ||
415 | #define END_OF_RESET_WAIT_TIME 500 /* us */ | |
416 | ||
417 | /** | |
418 | * snd_vx_boot_xilinx - boot up the xilinx interface | |
2a9e8df0 | 419 | * @chip: VX core instance |
1da177e4 LT |
420 | * @boot: the boot record to load |
421 | */ | |
af26367f | 422 | int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot) |
1da177e4 LT |
423 | { |
424 | unsigned int i; | |
425 | int no_fillup = vx_has_new_dsp(chip); | |
426 | ||
427 | /* check the length of boot image */ | |
5e246b85 TI |
428 | if (boot->size <= 0) |
429 | return -EINVAL; | |
430 | if (boot->size % 3) | |
431 | return -EINVAL; | |
1da177e4 LT |
432 | #if 0 |
433 | { | |
434 | /* more strict check */ | |
435 | unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2]; | |
5e246b85 TI |
436 | if (boot->size != (c + 2) * 3) |
437 | return -EINVAL; | |
1da177e4 LT |
438 | } |
439 | #endif | |
440 | ||
441 | /* reset dsp */ | |
442 | vx_reset_dsp(chip); | |
443 | ||
444 | udelay(END_OF_RESET_WAIT_TIME); /* another wait? */ | |
445 | ||
446 | /* download boot strap */ | |
447 | for (i = 0; i < 0x600; i += 3) { | |
448 | if (i >= boot->size) { | |
449 | if (no_fillup) | |
450 | break; | |
451 | if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { | |
452 | snd_printk(KERN_ERR "dsp boot failed at %d\n", i); | |
453 | return -EIO; | |
454 | } | |
455 | vx_outb(chip, TXH, 0); | |
456 | vx_outb(chip, TXM, 0); | |
457 | vx_outb(chip, TXL, 0); | |
458 | } else { | |
2f0600b6 | 459 | const unsigned char *image = boot->data + i; |
1da177e4 LT |
460 | if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { |
461 | snd_printk(KERN_ERR "dsp boot failed at %d\n", i); | |
462 | return -EIO; | |
463 | } | |
464 | vx_outb(chip, TXH, image[0]); | |
465 | vx_outb(chip, TXM, image[1]); | |
466 | vx_outb(chip, TXL, image[2]); | |
467 | } | |
468 | } | |
469 | return 0; | |
470 | } | |
471 | ||
fa325eb3 TI |
472 | EXPORT_SYMBOL(snd_vx_load_boot_image); |
473 | ||
1da177e4 LT |
474 | /* |
475 | * vx_test_irq_src - query the source of interrupts | |
476 | * | |
477 | * called from irq handler only | |
478 | */ | |
af26367f | 479 | static int vx_test_irq_src(struct vx_core *chip, unsigned int *ret) |
1da177e4 LT |
480 | { |
481 | int err; | |
482 | ||
483 | vx_init_rmh(&chip->irq_rmh, CMD_TEST_IT); | |
db0a5214 | 484 | mutex_lock(&chip->lock); |
1da177e4 LT |
485 | err = vx_send_msg_nolock(chip, &chip->irq_rmh); |
486 | if (err < 0) | |
487 | *ret = 0; | |
488 | else | |
489 | *ret = chip->irq_rmh.Stat[0]; | |
db0a5214 | 490 | mutex_unlock(&chip->lock); |
1da177e4 LT |
491 | return err; |
492 | } | |
493 | ||
494 | ||
495 | /* | |
db0a5214 | 496 | * snd_vx_threaded_irq_handler - threaded irq handler |
1da177e4 | 497 | */ |
db0a5214 | 498 | irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev) |
1da177e4 | 499 | { |
db0a5214 | 500 | struct vx_core *chip = dev; |
1da177e4 LT |
501 | unsigned int events; |
502 | ||
503 | if (chip->chip_status & VX_STAT_IS_STALE) | |
db0a5214 | 504 | return IRQ_HANDLED; |
1da177e4 LT |
505 | |
506 | if (vx_test_irq_src(chip, &events) < 0) | |
db0a5214 | 507 | return IRQ_HANDLED; |
1da177e4 LT |
508 | |
509 | #if 0 | |
510 | if (events & 0x000800) | |
511 | printk(KERN_ERR "DSP Stream underrun ! IRQ events = 0x%x\n", events); | |
512 | #endif | |
513 | // printk(KERN_DEBUG "IRQ events = 0x%x\n", events); | |
514 | ||
515 | /* We must prevent any application using this DSP | |
516 | * and block any further request until the application | |
517 | * either unregisters or reloads the DSP | |
518 | */ | |
519 | if (events & FATAL_DSP_ERROR) { | |
520 | snd_printk(KERN_ERR "vx_core: fatal DSP error!!\n"); | |
db0a5214 | 521 | return IRQ_HANDLED; |
1da177e4 LT |
522 | } |
523 | ||
524 | /* The start on time code conditions are filled (ie the time code | |
525 | * received by the board is equal to one of those given to it). | |
526 | */ | |
527 | if (events & TIME_CODE_EVENT_PENDING) | |
528 | ; /* so far, nothing to do yet */ | |
529 | ||
530 | /* The frequency has changed on the board (UER mode). */ | |
531 | if (events & FREQUENCY_CHANGE_EVENT_PENDING) | |
532 | vx_change_frequency(chip); | |
533 | ||
534 | /* update the pcm streams */ | |
535 | vx_pcm_update_intr(chip, events); | |
db0a5214 | 536 | return IRQ_HANDLED; |
1da177e4 | 537 | } |
db0a5214 | 538 | EXPORT_SYMBOL(snd_vx_threaded_irq_handler); |
1da177e4 LT |
539 | |
540 | /** | |
541 | * snd_vx_irq_handler - interrupt handler | |
2a9e8df0 TI |
542 | * @irq: irq number |
543 | * @dev: VX core instance | |
1da177e4 | 544 | */ |
7d12e780 | 545 | irqreturn_t snd_vx_irq_handler(int irq, void *dev) |
1da177e4 | 546 | { |
af26367f | 547 | struct vx_core *chip = dev; |
1da177e4 LT |
548 | |
549 | if (! (chip->chip_status & VX_STAT_CHIP_INIT) || | |
550 | (chip->chip_status & VX_STAT_IS_STALE)) | |
551 | return IRQ_NONE; | |
552 | if (! vx_test_and_ack(chip)) | |
db0a5214 TI |
553 | return IRQ_WAKE_THREAD; |
554 | return IRQ_NONE; | |
1da177e4 LT |
555 | } |
556 | ||
fa325eb3 | 557 | EXPORT_SYMBOL(snd_vx_irq_handler); |
1da177e4 LT |
558 | |
559 | /* | |
560 | */ | |
af26367f | 561 | static void vx_reset_board(struct vx_core *chip, int cold_reset) |
1da177e4 | 562 | { |
5e246b85 TI |
563 | if (snd_BUG_ON(!chip->ops->reset_board)) |
564 | return; | |
1da177e4 LT |
565 | |
566 | /* current source, later sync'ed with target */ | |
567 | chip->audio_source = VX_AUDIO_SRC_LINE; | |
568 | if (cold_reset) { | |
569 | chip->audio_source_target = chip->audio_source; | |
570 | chip->clock_source = INTERNAL_QUARTZ; | |
571 | chip->clock_mode = VX_CLOCK_MODE_AUTO; | |
572 | chip->freq = 48000; | |
573 | chip->uer_detected = VX_UER_MODE_NOT_PRESENT; | |
574 | chip->uer_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; | |
575 | } | |
576 | ||
577 | chip->ops->reset_board(chip, cold_reset); | |
578 | ||
579 | vx_reset_codec(chip, cold_reset); | |
580 | ||
581 | vx_set_internal_clock(chip, chip->freq); | |
582 | ||
583 | /* Reset the DSP */ | |
584 | vx_reset_dsp(chip); | |
585 | ||
586 | if (vx_is_pcmcia(chip)) { | |
587 | /* Acknowledge any pending IRQ and reset the MEMIRQ flag. */ | |
588 | vx_test_and_ack(chip); | |
589 | vx_validate_irq(chip, 1); | |
590 | } | |
591 | ||
592 | /* init CBits */ | |
593 | vx_set_iec958_status(chip, chip->uer_bits); | |
594 | } | |
595 | ||
596 | ||
597 | /* | |
598 | * proc interface | |
599 | */ | |
600 | ||
af26367f | 601 | static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) |
1da177e4 | 602 | { |
af26367f | 603 | struct vx_core *chip = entry->private_data; |
1da177e4 LT |
604 | static char *audio_src_vxp[] = { "Line", "Mic", "Digital" }; |
605 | static char *audio_src_vx2[] = { "Analog", "Analog", "Digital" }; | |
606 | static char *clock_mode[] = { "Auto", "Internal", "External" }; | |
607 | static char *clock_src[] = { "Internal", "External" }; | |
608 | static char *uer_type[] = { "Consumer", "Professional", "Not Present" }; | |
609 | ||
610 | snd_iprintf(buffer, "%s\n", chip->card->longname); | |
611 | snd_iprintf(buffer, "Xilinx Firmware: %s\n", | |
612 | chip->chip_status & VX_STAT_XILINX_LOADED ? "Loaded" : "No"); | |
613 | snd_iprintf(buffer, "Device Initialized: %s\n", | |
614 | chip->chip_status & VX_STAT_DEVICE_INIT ? "Yes" : "No"); | |
615 | snd_iprintf(buffer, "DSP audio info:"); | |
616 | if (chip->audio_info & VX_AUDIO_INFO_REAL_TIME) | |
617 | snd_iprintf(buffer, " realtime"); | |
618 | if (chip->audio_info & VX_AUDIO_INFO_OFFLINE) | |
619 | snd_iprintf(buffer, " offline"); | |
620 | if (chip->audio_info & VX_AUDIO_INFO_MPEG1) | |
621 | snd_iprintf(buffer, " mpeg1"); | |
622 | if (chip->audio_info & VX_AUDIO_INFO_MPEG2) | |
623 | snd_iprintf(buffer, " mpeg2"); | |
624 | if (chip->audio_info & VX_AUDIO_INFO_LINEAR_8) | |
625 | snd_iprintf(buffer, " linear8"); | |
626 | if (chip->audio_info & VX_AUDIO_INFO_LINEAR_16) | |
627 | snd_iprintf(buffer, " linear16"); | |
628 | if (chip->audio_info & VX_AUDIO_INFO_LINEAR_24) | |
629 | snd_iprintf(buffer, " linear24"); | |
630 | snd_iprintf(buffer, "\n"); | |
631 | snd_iprintf(buffer, "Input Source: %s\n", vx_is_pcmcia(chip) ? | |
632 | audio_src_vxp[chip->audio_source] : | |
633 | audio_src_vx2[chip->audio_source]); | |
634 | snd_iprintf(buffer, "Clock Mode: %s\n", clock_mode[chip->clock_mode]); | |
635 | snd_iprintf(buffer, "Clock Source: %s\n", clock_src[chip->clock_source]); | |
636 | snd_iprintf(buffer, "Frequency: %d\n", chip->freq); | |
637 | snd_iprintf(buffer, "Detected Frequency: %d\n", chip->freq_detected); | |
638 | snd_iprintf(buffer, "Detected UER type: %s\n", uer_type[chip->uer_detected]); | |
639 | snd_iprintf(buffer, "Min/Max/Cur IBL: %d/%d/%d (granularity=%d)\n", | |
640 | chip->ibl.min_size, chip->ibl.max_size, chip->ibl.size, | |
641 | chip->ibl.granularity); | |
642 | } | |
643 | ||
af26367f | 644 | static void vx_proc_init(struct vx_core *chip) |
1da177e4 | 645 | { |
af26367f | 646 | struct snd_info_entry *entry; |
1da177e4 LT |
647 | |
648 | if (! snd_card_proc_new(chip->card, "vx-status", &entry)) | |
bf850204 | 649 | snd_info_set_text_ops(entry, chip, vx_proc_read); |
1da177e4 LT |
650 | } |
651 | ||
652 | ||
653 | /** | |
654 | * snd_vx_dsp_boot - load the DSP boot | |
2a9e8df0 TI |
655 | * @chip: VX core instance |
656 | * @boot: firmware data | |
1da177e4 | 657 | */ |
af26367f | 658 | int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *boot) |
1da177e4 LT |
659 | { |
660 | int err; | |
661 | int cold_reset = !(chip->chip_status & VX_STAT_DEVICE_INIT); | |
662 | ||
663 | vx_reset_board(chip, cold_reset); | |
664 | vx_validate_irq(chip, 0); | |
665 | ||
666 | if ((err = snd_vx_load_boot_image(chip, boot)) < 0) | |
667 | return err; | |
bdbae7e6 | 668 | msleep(10); |
1da177e4 LT |
669 | |
670 | return 0; | |
671 | } | |
672 | ||
fa325eb3 TI |
673 | EXPORT_SYMBOL(snd_vx_dsp_boot); |
674 | ||
1da177e4 LT |
675 | /** |
676 | * snd_vx_dsp_load - load the DSP image | |
2a9e8df0 TI |
677 | * @chip: VX core instance |
678 | * @dsp: firmware data | |
1da177e4 | 679 | */ |
af26367f | 680 | int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp) |
1da177e4 LT |
681 | { |
682 | unsigned int i; | |
683 | int err; | |
684 | unsigned int csum = 0; | |
2f0600b6 | 685 | const unsigned char *image, *cptr; |
1da177e4 | 686 | |
5e246b85 TI |
687 | if (dsp->size % 3) |
688 | return -EINVAL; | |
1da177e4 LT |
689 | |
690 | vx_toggle_dac_mute(chip, 1); | |
691 | ||
692 | /* Transfert data buffer from PC to DSP */ | |
693 | for (i = 0; i < dsp->size; i += 3) { | |
694 | image = dsp->data + i; | |
695 | /* Wait DSP ready for a new read */ | |
696 | if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) { | |
45203832 TI |
697 | printk(KERN_ERR |
698 | "dsp loading error at position %d\n", i); | |
1da177e4 LT |
699 | return err; |
700 | } | |
701 | cptr = image; | |
702 | csum ^= *cptr; | |
703 | csum = (csum >> 24) | (csum << 8); | |
704 | vx_outb(chip, TXH, *cptr++); | |
705 | csum ^= *cptr; | |
706 | csum = (csum >> 24) | (csum << 8); | |
707 | vx_outb(chip, TXM, *cptr++); | |
708 | csum ^= *cptr; | |
709 | csum = (csum >> 24) | (csum << 8); | |
710 | vx_outb(chip, TXL, *cptr++); | |
711 | } | |
712 | snd_printdd(KERN_DEBUG "checksum = 0x%08x\n", csum); | |
713 | ||
bdbae7e6 | 714 | msleep(200); |
1da177e4 LT |
715 | |
716 | if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0) | |
717 | return err; | |
718 | ||
719 | vx_toggle_dac_mute(chip, 0); | |
720 | ||
721 | vx_test_and_ack(chip); | |
722 | vx_validate_irq(chip, 1); | |
723 | ||
724 | return 0; | |
725 | } | |
726 | ||
fa325eb3 TI |
727 | EXPORT_SYMBOL(snd_vx_dsp_load); |
728 | ||
1da177e4 LT |
729 | #ifdef CONFIG_PM |
730 | /* | |
731 | * suspend | |
732 | */ | |
68cb2b55 | 733 | int snd_vx_suspend(struct vx_core *chip) |
1da177e4 | 734 | { |
1da177e4 LT |
735 | unsigned int i; |
736 | ||
0ed1cad1 | 737 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); |
1da177e4 LT |
738 | chip->chip_status |= VX_STAT_IN_SUSPEND; |
739 | for (i = 0; i < chip->hw->num_codecs; i++) | |
740 | snd_pcm_suspend_all(chip->pcm[i]); | |
741 | ||
742 | return 0; | |
743 | } | |
744 | ||
fa325eb3 TI |
745 | EXPORT_SYMBOL(snd_vx_suspend); |
746 | ||
1da177e4 LT |
747 | /* |
748 | * resume | |
749 | */ | |
0ed1cad1 | 750 | int snd_vx_resume(struct vx_core *chip) |
1da177e4 | 751 | { |
1da177e4 LT |
752 | int i, err; |
753 | ||
1da177e4 LT |
754 | chip->chip_status &= ~VX_STAT_CHIP_INIT; |
755 | ||
756 | for (i = 0; i < 4; i++) { | |
757 | if (! chip->firmware[i]) | |
758 | continue; | |
759 | err = chip->ops->load_dsp(chip, i, chip->firmware[i]); | |
760 | if (err < 0) { | |
761 | snd_printk(KERN_ERR "vx: firmware resume error at DSP %d\n", i); | |
762 | return -EIO; | |
763 | } | |
764 | } | |
765 | ||
766 | chip->chip_status |= VX_STAT_CHIP_INIT; | |
767 | chip->chip_status &= ~VX_STAT_IN_SUSPEND; | |
768 | ||
0ed1cad1 | 769 | snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); |
1da177e4 LT |
770 | return 0; |
771 | } | |
772 | ||
fa325eb3 | 773 | EXPORT_SYMBOL(snd_vx_resume); |
1da177e4 LT |
774 | #endif |
775 | ||
776 | /** | |
af26367f | 777 | * snd_vx_create - constructor for struct vx_core |
2a9e8df0 | 778 | * @card: card instance |
1da177e4 | 779 | * @hw: hardware specific record |
2a9e8df0 TI |
780 | * @ops: VX ops pointer |
781 | * @extra_size: extra byte size to allocate appending to chip | |
1da177e4 LT |
782 | * |
783 | * this function allocates the instance and prepare for the hardware | |
784 | * initialization. | |
785 | * | |
786 | * return the instance pointer if successful, NULL in error. | |
787 | */ | |
af26367f TI |
788 | struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, |
789 | struct snd_vx_ops *ops, | |
790 | int extra_size) | |
1da177e4 | 791 | { |
af26367f | 792 | struct vx_core *chip; |
1da177e4 | 793 | |
5e246b85 TI |
794 | if (snd_BUG_ON(!card || !hw || !ops)) |
795 | return NULL; | |
1da177e4 | 796 | |
561b220a | 797 | chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL); |
a65895e0 | 798 | if (! chip) |
1da177e4 | 799 | return NULL; |
db0a5214 | 800 | mutex_init(&chip->lock); |
1da177e4 LT |
801 | chip->irq = -1; |
802 | chip->hw = hw; | |
803 | chip->type = hw->type; | |
804 | chip->ops = ops; | |
ef9f0a42 | 805 | mutex_init(&chip->mixer_mutex); |
1da177e4 LT |
806 | |
807 | chip->card = card; | |
808 | card->private_data = chip; | |
809 | strcpy(card->driver, hw->name); | |
810 | sprintf(card->shortname, "Digigram %s", hw->name); | |
811 | ||
1da177e4 LT |
812 | vx_proc_init(chip); |
813 | ||
814 | return chip; | |
815 | } | |
816 | ||
fa325eb3 TI |
817 | EXPORT_SYMBOL(snd_vx_create); |
818 | ||
1da177e4 LT |
819 | /* |
820 | * module entries | |
821 | */ | |
822 | static int __init alsa_vx_core_init(void) | |
823 | { | |
824 | return 0; | |
825 | } | |
826 | ||
827 | static void __exit alsa_vx_core_exit(void) | |
828 | { | |
829 | } | |
830 | ||
831 | module_init(alsa_vx_core_init) | |
832 | module_exit(alsa_vx_core_exit) |