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8cc72361 WYC |
1 | /** |
2 | * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. | |
3 | * | |
4 | * This source file is released under GPL v2 license (no other versions). | |
5 | * See the COPYING file included in the main directory of this source | |
6 | * distribution for the license terms and conditions. | |
7 | * | |
8 | * @File ctdaio.c | |
9 | * | |
10 | * @Brief | |
11 | * This file contains the implementation of Digital Audio Input Output | |
12 | * resource management object. | |
13 | * | |
14 | * @Author Liu Chun | |
15 | * @Date May 23 2008 | |
16 | * | |
17 | */ | |
18 | ||
19 | #include "ctdaio.h" | |
20 | #include "cthardware.h" | |
21 | #include "ctimap.h" | |
22 | #include <linux/slab.h> | |
23 | #include <linux/kernel.h> | |
24 | ||
8cc72361 WYC |
25 | #define DAIO_OUT_MAX SPDIFOO |
26 | ||
55309216 | 27 | struct daio_usage { |
8cc72361 WYC |
28 | unsigned short data; |
29 | }; | |
30 | ||
31 | struct daio_rsc_idx { | |
32 | unsigned short left; | |
33 | unsigned short right; | |
34 | }; | |
35 | ||
b71495ee | 36 | static struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = { |
8cc72361 WYC |
37 | [LINEO1] = {.left = 0x00, .right = 0x01}, |
38 | [LINEO2] = {.left = 0x18, .right = 0x19}, | |
39 | [LINEO3] = {.left = 0x08, .right = 0x09}, | |
40 | [LINEO4] = {.left = 0x10, .right = 0x11}, | |
41 | [LINEIM] = {.left = 0x1b5, .right = 0x1bd}, | |
42 | [SPDIFOO] = {.left = 0x20, .right = 0x21}, | |
43 | [SPDIFIO] = {.left = 0x15, .right = 0x1d}, | |
44 | [SPDIFI1] = {.left = 0x95, .right = 0x9d}, | |
45 | }; | |
46 | ||
b71495ee | 47 | static struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = { |
8cc72361 | 48 | [LINEO1] = {.left = 0x40, .right = 0x41}, |
55fe27f7 | 49 | [LINEO2] = {.left = 0x60, .right = 0x61}, |
8cc72361 | 50 | [LINEO3] = {.left = 0x50, .right = 0x51}, |
55fe27f7 | 51 | [LINEO4] = {.left = 0x70, .right = 0x71}, |
8cc72361 | 52 | [LINEIM] = {.left = 0x45, .right = 0xc5}, |
55309216 | 53 | [MIC] = {.left = 0x55, .right = 0xd5}, |
8cc72361 WYC |
54 | [SPDIFOO] = {.left = 0x00, .right = 0x01}, |
55 | [SPDIFIO] = {.left = 0x05, .right = 0x85}, | |
56 | }; | |
57 | ||
58 | static int daio_master(struct rsc *rsc) | |
59 | { | |
60 | /* Actually, this is not the resource index of DAIO. | |
61 | * For DAO, it is the input mapper index. And, for DAI, | |
62 | * it is the output time-slot index. */ | |
63 | return rsc->conj = rsc->idx; | |
64 | } | |
65 | ||
66 | static int daio_index(const struct rsc *rsc) | |
67 | { | |
68 | return rsc->conj; | |
69 | } | |
70 | ||
71 | static int daio_out_next_conj(struct rsc *rsc) | |
72 | { | |
73 | return rsc->conj += 2; | |
74 | } | |
75 | ||
76 | static int daio_in_next_conj_20k1(struct rsc *rsc) | |
77 | { | |
78 | return rsc->conj += 0x200; | |
79 | } | |
80 | ||
81 | static int daio_in_next_conj_20k2(struct rsc *rsc) | |
82 | { | |
83 | return rsc->conj += 0x100; | |
84 | } | |
85 | ||
43f2cdeb | 86 | static const struct rsc_ops daio_out_rsc_ops = { |
8cc72361 WYC |
87 | .master = daio_master, |
88 | .next_conj = daio_out_next_conj, | |
89 | .index = daio_index, | |
90 | .output_slot = NULL, | |
91 | }; | |
92 | ||
43f2cdeb | 93 | static const struct rsc_ops daio_in_rsc_ops_20k1 = { |
8cc72361 WYC |
94 | .master = daio_master, |
95 | .next_conj = daio_in_next_conj_20k1, | |
96 | .index = NULL, | |
97 | .output_slot = daio_index, | |
98 | }; | |
99 | ||
43f2cdeb | 100 | static const struct rsc_ops daio_in_rsc_ops_20k2 = { |
8cc72361 WYC |
101 | .master = daio_master, |
102 | .next_conj = daio_in_next_conj_20k2, | |
103 | .index = NULL, | |
104 | .output_slot = daio_index, | |
105 | }; | |
106 | ||
107 | static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw) | |
108 | { | |
9470195a | 109 | switch (hw->chip_type) { |
8cc72361 WYC |
110 | case ATC20K1: |
111 | switch (type) { | |
112 | case SPDIFOO: return 0; | |
113 | case SPDIFIO: return 0; | |
114 | case SPDIFI1: return 1; | |
115 | case LINEO1: return 4; | |
116 | case LINEO2: return 7; | |
117 | case LINEO3: return 5; | |
118 | case LINEO4: return 6; | |
119 | case LINEIM: return 7; | |
120 | default: return -EINVAL; | |
121 | } | |
122 | case ATC20K2: | |
123 | switch (type) { | |
124 | case SPDIFOO: return 0; | |
125 | case SPDIFIO: return 0; | |
126 | case LINEO1: return 4; | |
127 | case LINEO2: return 7; | |
128 | case LINEO3: return 5; | |
129 | case LINEO4: return 6; | |
130 | case LINEIM: return 4; | |
55309216 | 131 | case MIC: return 5; |
8cc72361 WYC |
132 | default: return -EINVAL; |
133 | } | |
134 | default: | |
135 | return -EINVAL; | |
136 | } | |
137 | } | |
138 | ||
139 | static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc); | |
140 | ||
141 | static int dao_spdif_get_spos(struct dao *dao, unsigned int *spos) | |
142 | { | |
3d0fdc86 | 143 | dao->hw->dao_get_spos(dao->ctrl_blk, spos); |
8cc72361 WYC |
144 | return 0; |
145 | } | |
146 | ||
147 | static int dao_spdif_set_spos(struct dao *dao, unsigned int spos) | |
148 | { | |
3d0fdc86 | 149 | dao->hw->dao_set_spos(dao->ctrl_blk, spos); |
8cc72361 WYC |
150 | return 0; |
151 | } | |
152 | ||
153 | static int dao_commit_write(struct dao *dao) | |
154 | { | |
3d0fdc86 | 155 | dao->hw->dao_commit_write(dao->hw, |
8cc72361 WYC |
156 | daio_device_index(dao->daio.type, dao->hw), dao->ctrl_blk); |
157 | return 0; | |
158 | } | |
159 | ||
160 | static int dao_set_left_input(struct dao *dao, struct rsc *input) | |
161 | { | |
514eef9c | 162 | struct imapper *entry; |
8cc72361 | 163 | struct daio *daio = &dao->daio; |
514eef9c | 164 | int i; |
8cc72361 WYC |
165 | |
166 | entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL); | |
35ebf6e7 | 167 | if (!entry) |
8cc72361 WYC |
168 | return -ENOMEM; |
169 | ||
efed5f26 | 170 | dao->ops->clear_left_input(dao); |
8cc72361 WYC |
171 | /* Program master and conjugate resources */ |
172 | input->ops->master(input); | |
173 | daio->rscl.ops->master(&daio->rscl); | |
174 | for (i = 0; i < daio->rscl.msr; i++, entry++) { | |
175 | entry->slot = input->ops->output_slot(input); | |
176 | entry->user = entry->addr = daio->rscl.ops->index(&daio->rscl); | |
177 | dao->mgr->imap_add(dao->mgr, entry); | |
178 | dao->imappers[i] = entry; | |
179 | ||
180 | input->ops->next_conj(input); | |
181 | daio->rscl.ops->next_conj(&daio->rscl); | |
182 | } | |
183 | input->ops->master(input); | |
184 | daio->rscl.ops->master(&daio->rscl); | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
189 | static int dao_set_right_input(struct dao *dao, struct rsc *input) | |
190 | { | |
514eef9c | 191 | struct imapper *entry; |
8cc72361 | 192 | struct daio *daio = &dao->daio; |
514eef9c | 193 | int i; |
8cc72361 WYC |
194 | |
195 | entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL); | |
35ebf6e7 | 196 | if (!entry) |
8cc72361 WYC |
197 | return -ENOMEM; |
198 | ||
efed5f26 | 199 | dao->ops->clear_right_input(dao); |
8cc72361 WYC |
200 | /* Program master and conjugate resources */ |
201 | input->ops->master(input); | |
202 | daio->rscr.ops->master(&daio->rscr); | |
203 | for (i = 0; i < daio->rscr.msr; i++, entry++) { | |
204 | entry->slot = input->ops->output_slot(input); | |
205 | entry->user = entry->addr = daio->rscr.ops->index(&daio->rscr); | |
206 | dao->mgr->imap_add(dao->mgr, entry); | |
207 | dao->imappers[daio->rscl.msr + i] = entry; | |
208 | ||
209 | input->ops->next_conj(input); | |
210 | daio->rscr.ops->next_conj(&daio->rscr); | |
211 | } | |
212 | input->ops->master(input); | |
213 | daio->rscr.ops->master(&daio->rscr); | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
218 | static int dao_clear_left_input(struct dao *dao) | |
219 | { | |
514eef9c | 220 | struct imapper *entry; |
8cc72361 | 221 | struct daio *daio = &dao->daio; |
514eef9c | 222 | int i; |
8cc72361 | 223 | |
35ebf6e7 | 224 | if (!dao->imappers[0]) |
8cc72361 WYC |
225 | return 0; |
226 | ||
227 | entry = dao->imappers[0]; | |
228 | dao->mgr->imap_delete(dao->mgr, entry); | |
229 | /* Program conjugate resources */ | |
230 | for (i = 1; i < daio->rscl.msr; i++) { | |
231 | entry = dao->imappers[i]; | |
232 | dao->mgr->imap_delete(dao->mgr, entry); | |
233 | dao->imappers[i] = NULL; | |
234 | } | |
235 | ||
236 | kfree(dao->imappers[0]); | |
237 | dao->imappers[0] = NULL; | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
242 | static int dao_clear_right_input(struct dao *dao) | |
243 | { | |
514eef9c | 244 | struct imapper *entry; |
8cc72361 | 245 | struct daio *daio = &dao->daio; |
514eef9c | 246 | int i; |
8cc72361 | 247 | |
35ebf6e7 | 248 | if (!dao->imappers[daio->rscl.msr]) |
8cc72361 WYC |
249 | return 0; |
250 | ||
251 | entry = dao->imappers[daio->rscl.msr]; | |
252 | dao->mgr->imap_delete(dao->mgr, entry); | |
253 | /* Program conjugate resources */ | |
254 | for (i = 1; i < daio->rscr.msr; i++) { | |
255 | entry = dao->imappers[daio->rscl.msr + i]; | |
256 | dao->mgr->imap_delete(dao->mgr, entry); | |
257 | dao->imappers[daio->rscl.msr + i] = NULL; | |
258 | } | |
259 | ||
260 | kfree(dao->imappers[daio->rscl.msr]); | |
261 | dao->imappers[daio->rscl.msr] = NULL; | |
262 | ||
263 | return 0; | |
264 | } | |
265 | ||
43f2cdeb | 266 | static const struct dao_rsc_ops dao_ops = { |
8cc72361 WYC |
267 | .set_spos = dao_spdif_set_spos, |
268 | .commit_write = dao_commit_write, | |
269 | .get_spos = dao_spdif_get_spos, | |
270 | .reinit = dao_rsc_reinit, | |
271 | .set_left_input = dao_set_left_input, | |
272 | .set_right_input = dao_set_right_input, | |
273 | .clear_left_input = dao_clear_left_input, | |
274 | .clear_right_input = dao_clear_right_input, | |
275 | }; | |
276 | ||
277 | static int dai_set_srt_srcl(struct dai *dai, struct rsc *src) | |
278 | { | |
279 | src->ops->master(src); | |
3d0fdc86 | 280 | dai->hw->dai_srt_set_srcm(dai->ctrl_blk, src->ops->index(src)); |
8cc72361 WYC |
281 | return 0; |
282 | } | |
283 | ||
284 | static int dai_set_srt_srcr(struct dai *dai, struct rsc *src) | |
285 | { | |
286 | src->ops->master(src); | |
3d0fdc86 | 287 | dai->hw->dai_srt_set_srco(dai->ctrl_blk, src->ops->index(src)); |
8cc72361 WYC |
288 | return 0; |
289 | } | |
290 | ||
291 | static int dai_set_srt_msr(struct dai *dai, unsigned int msr) | |
292 | { | |
514eef9c | 293 | unsigned int rsr; |
8cc72361 WYC |
294 | |
295 | for (rsr = 0; msr > 1; msr >>= 1) | |
296 | rsr++; | |
297 | ||
3d0fdc86 | 298 | dai->hw->dai_srt_set_rsr(dai->ctrl_blk, rsr); |
8cc72361 WYC |
299 | return 0; |
300 | } | |
301 | ||
302 | static int dai_set_enb_src(struct dai *dai, unsigned int enb) | |
303 | { | |
3d0fdc86 | 304 | dai->hw->dai_srt_set_ec(dai->ctrl_blk, enb); |
8cc72361 WYC |
305 | return 0; |
306 | } | |
307 | ||
308 | static int dai_set_enb_srt(struct dai *dai, unsigned int enb) | |
309 | { | |
3d0fdc86 | 310 | dai->hw->dai_srt_set_et(dai->ctrl_blk, enb); |
8cc72361 WYC |
311 | return 0; |
312 | } | |
313 | ||
314 | static int dai_commit_write(struct dai *dai) | |
315 | { | |
3d0fdc86 | 316 | dai->hw->dai_commit_write(dai->hw, |
8cc72361 WYC |
317 | daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk); |
318 | return 0; | |
319 | } | |
320 | ||
43f2cdeb | 321 | static const struct dai_rsc_ops dai_ops = { |
8cc72361 WYC |
322 | .set_srt_srcl = dai_set_srt_srcl, |
323 | .set_srt_srcr = dai_set_srt_srcr, | |
324 | .set_srt_msr = dai_set_srt_msr, | |
325 | .set_enb_src = dai_set_enb_src, | |
326 | .set_enb_srt = dai_set_enb_srt, | |
327 | .commit_write = dai_commit_write, | |
328 | }; | |
329 | ||
330 | static int daio_rsc_init(struct daio *daio, | |
331 | const struct daio_desc *desc, | |
66640898 | 332 | struct hw *hw) |
8cc72361 | 333 | { |
514eef9c TI |
334 | int err; |
335 | unsigned int idx_l, idx_r; | |
8cc72361 | 336 | |
3d0fdc86 | 337 | switch (hw->chip_type) { |
8cc72361 WYC |
338 | case ATC20K1: |
339 | idx_l = idx_20k1[desc->type].left; | |
340 | idx_r = idx_20k1[desc->type].right; | |
341 | break; | |
342 | case ATC20K2: | |
343 | idx_l = idx_20k2[desc->type].left; | |
344 | idx_r = idx_20k2[desc->type].right; | |
345 | break; | |
346 | default: | |
347 | return -EINVAL; | |
348 | } | |
349 | err = rsc_init(&daio->rscl, idx_l, DAIO, desc->msr, hw); | |
350 | if (err) | |
351 | return err; | |
352 | ||
353 | err = rsc_init(&daio->rscr, idx_r, DAIO, desc->msr, hw); | |
354 | if (err) | |
355 | goto error1; | |
356 | ||
357 | /* Set daio->rscl/r->ops to daio specific ones */ | |
358 | if (desc->type <= DAIO_OUT_MAX) { | |
359 | daio->rscl.ops = daio->rscr.ops = &daio_out_rsc_ops; | |
360 | } else { | |
3d0fdc86 | 361 | switch (hw->chip_type) { |
8cc72361 WYC |
362 | case ATC20K1: |
363 | daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k1; | |
364 | break; | |
365 | case ATC20K2: | |
366 | daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k2; | |
367 | break; | |
368 | default: | |
369 | break; | |
370 | } | |
371 | } | |
372 | daio->type = desc->type; | |
373 | ||
374 | return 0; | |
375 | ||
376 | error1: | |
377 | rsc_uninit(&daio->rscl); | |
378 | return err; | |
379 | } | |
380 | ||
381 | static int daio_rsc_uninit(struct daio *daio) | |
382 | { | |
383 | rsc_uninit(&daio->rscl); | |
384 | rsc_uninit(&daio->rscr); | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
389 | static int dao_rsc_init(struct dao *dao, | |
390 | const struct daio_desc *desc, | |
391 | struct daio_mgr *mgr) | |
392 | { | |
393 | struct hw *hw = mgr->mgr.hw; | |
514eef9c TI |
394 | unsigned int conf; |
395 | int err; | |
8cc72361 WYC |
396 | |
397 | err = daio_rsc_init(&dao->daio, desc, mgr->mgr.hw); | |
398 | if (err) | |
399 | return err; | |
400 | ||
401 | dao->imappers = kzalloc(sizeof(void *)*desc->msr*2, GFP_KERNEL); | |
35ebf6e7 | 402 | if (!dao->imappers) { |
8cc72361 WYC |
403 | err = -ENOMEM; |
404 | goto error1; | |
405 | } | |
406 | dao->ops = &dao_ops; | |
407 | dao->mgr = mgr; | |
408 | dao->hw = hw; | |
409 | err = hw->dao_get_ctrl_blk(&dao->ctrl_blk); | |
410 | if (err) | |
411 | goto error2; | |
412 | ||
413 | hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk, | |
414 | daio_device_index(dao->daio.type, hw)); | |
415 | hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk); | |
416 | ||
514eef9c | 417 | conf = (desc->msr & 0x7) | (desc->passthru << 3); |
8cc72361 WYC |
418 | hw->daio_mgr_dao_init(mgr->mgr.ctrl_blk, |
419 | daio_device_index(dao->daio.type, hw), conf); | |
420 | hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk, | |
421 | daio_device_index(dao->daio.type, hw)); | |
422 | hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk); | |
423 | ||
424 | return 0; | |
425 | ||
426 | error2: | |
427 | kfree(dao->imappers); | |
428 | dao->imappers = NULL; | |
429 | error1: | |
430 | daio_rsc_uninit(&dao->daio); | |
431 | return err; | |
432 | } | |
433 | ||
434 | static int dao_rsc_uninit(struct dao *dao) | |
435 | { | |
35ebf6e7 TI |
436 | if (dao->imappers) { |
437 | if (dao->imappers[0]) | |
8cc72361 WYC |
438 | dao_clear_left_input(dao); |
439 | ||
35ebf6e7 | 440 | if (dao->imappers[dao->daio.rscl.msr]) |
8cc72361 WYC |
441 | dao_clear_right_input(dao); |
442 | ||
443 | kfree(dao->imappers); | |
444 | dao->imappers = NULL; | |
445 | } | |
3d0fdc86 | 446 | dao->hw->dao_put_ctrl_blk(dao->ctrl_blk); |
8cc72361 WYC |
447 | dao->hw = dao->ctrl_blk = NULL; |
448 | daio_rsc_uninit(&dao->daio); | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
453 | static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc) | |
454 | { | |
455 | struct daio_mgr *mgr = dao->mgr; | |
456 | struct daio_desc dsc = {0}; | |
457 | ||
458 | dsc.type = dao->daio.type; | |
459 | dsc.msr = desc->msr; | |
460 | dsc.passthru = desc->passthru; | |
461 | dao_rsc_uninit(dao); | |
462 | return dao_rsc_init(dao, &dsc, mgr); | |
463 | } | |
464 | ||
465 | static int dai_rsc_init(struct dai *dai, | |
466 | const struct daio_desc *desc, | |
467 | struct daio_mgr *mgr) | |
468 | { | |
514eef9c | 469 | int err; |
8cc72361 | 470 | struct hw *hw = mgr->mgr.hw; |
514eef9c | 471 | unsigned int rsr, msr; |
8cc72361 WYC |
472 | |
473 | err = daio_rsc_init(&dai->daio, desc, mgr->mgr.hw); | |
474 | if (err) | |
475 | return err; | |
476 | ||
477 | dai->ops = &dai_ops; | |
478 | dai->hw = mgr->mgr.hw; | |
479 | err = hw->dai_get_ctrl_blk(&dai->ctrl_blk); | |
480 | if (err) | |
481 | goto error1; | |
482 | ||
483 | for (rsr = 0, msr = desc->msr; msr > 1; msr >>= 1) | |
484 | rsr++; | |
485 | ||
486 | hw->dai_srt_set_rsr(dai->ctrl_blk, rsr); | |
487 | hw->dai_srt_set_drat(dai->ctrl_blk, 0); | |
488 | /* default to disabling control of a SRC */ | |
489 | hw->dai_srt_set_ec(dai->ctrl_blk, 0); | |
490 | hw->dai_srt_set_et(dai->ctrl_blk, 0); /* default to disabling SRT */ | |
491 | hw->dai_commit_write(hw, | |
492 | daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk); | |
493 | ||
494 | return 0; | |
495 | ||
496 | error1: | |
497 | daio_rsc_uninit(&dai->daio); | |
498 | return err; | |
499 | } | |
500 | ||
501 | static int dai_rsc_uninit(struct dai *dai) | |
502 | { | |
3d0fdc86 | 503 | dai->hw->dai_put_ctrl_blk(dai->ctrl_blk); |
8cc72361 WYC |
504 | dai->hw = dai->ctrl_blk = NULL; |
505 | daio_rsc_uninit(&dai->daio); | |
506 | return 0; | |
507 | } | |
508 | ||
509 | static int daio_mgr_get_rsc(struct rsc_mgr *mgr, enum DAIOTYP type) | |
510 | { | |
55309216 | 511 | if (((struct daio_usage *)mgr->rscs)->data & (0x1 << type)) |
8cc72361 WYC |
512 | return -ENOENT; |
513 | ||
55309216 | 514 | ((struct daio_usage *)mgr->rscs)->data |= (0x1 << type); |
8cc72361 WYC |
515 | |
516 | return 0; | |
517 | } | |
518 | ||
519 | static int daio_mgr_put_rsc(struct rsc_mgr *mgr, enum DAIOTYP type) | |
520 | { | |
55309216 | 521 | ((struct daio_usage *)mgr->rscs)->data &= ~(0x1 << type); |
8cc72361 WYC |
522 | |
523 | return 0; | |
524 | } | |
525 | ||
526 | static int get_daio_rsc(struct daio_mgr *mgr, | |
527 | const struct daio_desc *desc, | |
528 | struct daio **rdaio) | |
529 | { | |
514eef9c | 530 | int err; |
8cc72361 WYC |
531 | unsigned long flags; |
532 | ||
533 | *rdaio = NULL; | |
534 | ||
535 | /* Check whether there are sufficient daio resources to meet request. */ | |
536 | spin_lock_irqsave(&mgr->mgr_lock, flags); | |
537 | err = daio_mgr_get_rsc(&mgr->mgr, desc->type); | |
538 | spin_unlock_irqrestore(&mgr->mgr_lock, flags); | |
539 | if (err) { | |
0cae90a9 SM |
540 | dev_err(mgr->card->dev, |
541 | "Can't meet DAIO resource request!\n"); | |
8cc72361 WYC |
542 | return err; |
543 | } | |
544 | ||
5395103d | 545 | err = -ENOMEM; |
8cc72361 WYC |
546 | /* Allocate mem for daio resource */ |
547 | if (desc->type <= DAIO_OUT_MAX) { | |
5395103d JP |
548 | struct dao *dao = kzalloc(sizeof(*dao), GFP_KERNEL); |
549 | if (!dao) | |
8cc72361 | 550 | goto error; |
5395103d | 551 | |
8cc72361 | 552 | err = dao_rsc_init(dao, desc, mgr); |
5395103d JP |
553 | if (err) { |
554 | kfree(dao); | |
8cc72361 | 555 | goto error; |
5395103d | 556 | } |
8cc72361 WYC |
557 | |
558 | *rdaio = &dao->daio; | |
559 | } else { | |
5395103d JP |
560 | struct dai *dai = kzalloc(sizeof(*dai), GFP_KERNEL); |
561 | if (!dai) | |
8cc72361 | 562 | goto error; |
5395103d | 563 | |
8cc72361 | 564 | err = dai_rsc_init(dai, desc, mgr); |
5395103d JP |
565 | if (err) { |
566 | kfree(dai); | |
8cc72361 | 567 | goto error; |
5395103d | 568 | } |
8cc72361 WYC |
569 | |
570 | *rdaio = &dai->daio; | |
571 | } | |
572 | ||
573 | mgr->daio_enable(mgr, *rdaio); | |
574 | mgr->commit_write(mgr); | |
575 | ||
576 | return 0; | |
577 | ||
578 | error: | |
8cc72361 WYC |
579 | spin_lock_irqsave(&mgr->mgr_lock, flags); |
580 | daio_mgr_put_rsc(&mgr->mgr, desc->type); | |
581 | spin_unlock_irqrestore(&mgr->mgr_lock, flags); | |
582 | return err; | |
583 | } | |
584 | ||
585 | static int put_daio_rsc(struct daio_mgr *mgr, struct daio *daio) | |
586 | { | |
587 | unsigned long flags; | |
588 | ||
589 | mgr->daio_disable(mgr, daio); | |
590 | mgr->commit_write(mgr); | |
591 | ||
592 | spin_lock_irqsave(&mgr->mgr_lock, flags); | |
593 | daio_mgr_put_rsc(&mgr->mgr, daio->type); | |
594 | spin_unlock_irqrestore(&mgr->mgr_lock, flags); | |
595 | ||
596 | if (daio->type <= DAIO_OUT_MAX) { | |
597 | dao_rsc_uninit(container_of(daio, struct dao, daio)); | |
598 | kfree(container_of(daio, struct dao, daio)); | |
599 | } else { | |
600 | dai_rsc_uninit(container_of(daio, struct dai, daio)); | |
601 | kfree(container_of(daio, struct dai, daio)); | |
602 | } | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
607 | static int daio_mgr_enb_daio(struct daio_mgr *mgr, struct daio *daio) | |
608 | { | |
609 | struct hw *hw = mgr->mgr.hw; | |
610 | ||
611 | if (DAIO_OUT_MAX >= daio->type) { | |
612 | hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk, | |
613 | daio_device_index(daio->type, hw)); | |
614 | } else { | |
615 | hw->daio_mgr_enb_dai(mgr->mgr.ctrl_blk, | |
616 | daio_device_index(daio->type, hw)); | |
617 | } | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static int daio_mgr_dsb_daio(struct daio_mgr *mgr, struct daio *daio) | |
622 | { | |
623 | struct hw *hw = mgr->mgr.hw; | |
624 | ||
625 | if (DAIO_OUT_MAX >= daio->type) { | |
626 | hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk, | |
627 | daio_device_index(daio->type, hw)); | |
628 | } else { | |
629 | hw->daio_mgr_dsb_dai(mgr->mgr.ctrl_blk, | |
630 | daio_device_index(daio->type, hw)); | |
631 | } | |
632 | return 0; | |
633 | } | |
634 | ||
635 | static int daio_map_op(void *data, struct imapper *entry) | |
636 | { | |
637 | struct rsc_mgr *mgr = &((struct daio_mgr *)data)->mgr; | |
638 | struct hw *hw = mgr->hw; | |
639 | ||
640 | hw->daio_mgr_set_imaparc(mgr->ctrl_blk, entry->slot); | |
641 | hw->daio_mgr_set_imapnxt(mgr->ctrl_blk, entry->next); | |
642 | hw->daio_mgr_set_imapaddr(mgr->ctrl_blk, entry->addr); | |
643 | hw->daio_mgr_commit_write(mgr->hw, mgr->ctrl_blk); | |
644 | ||
645 | return 0; | |
646 | } | |
647 | ||
648 | static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry) | |
649 | { | |
650 | unsigned long flags; | |
514eef9c | 651 | int err; |
8cc72361 WYC |
652 | |
653 | spin_lock_irqsave(&mgr->imap_lock, flags); | |
35ebf6e7 | 654 | if (!entry->addr && mgr->init_imap_added) { |
8cc72361 WYC |
655 | input_mapper_delete(&mgr->imappers, mgr->init_imap, |
656 | daio_map_op, mgr); | |
657 | mgr->init_imap_added = 0; | |
658 | } | |
659 | err = input_mapper_add(&mgr->imappers, entry, daio_map_op, mgr); | |
660 | spin_unlock_irqrestore(&mgr->imap_lock, flags); | |
661 | ||
662 | return err; | |
663 | } | |
664 | ||
665 | static int daio_imap_delete(struct daio_mgr *mgr, struct imapper *entry) | |
666 | { | |
667 | unsigned long flags; | |
514eef9c | 668 | int err; |
8cc72361 WYC |
669 | |
670 | spin_lock_irqsave(&mgr->imap_lock, flags); | |
671 | err = input_mapper_delete(&mgr->imappers, entry, daio_map_op, mgr); | |
672 | if (list_empty(&mgr->imappers)) { | |
673 | input_mapper_add(&mgr->imappers, mgr->init_imap, | |
674 | daio_map_op, mgr); | |
675 | mgr->init_imap_added = 1; | |
676 | } | |
677 | spin_unlock_irqrestore(&mgr->imap_lock, flags); | |
678 | ||
679 | return err; | |
680 | } | |
681 | ||
682 | static int daio_mgr_commit_write(struct daio_mgr *mgr) | |
683 | { | |
684 | struct hw *hw = mgr->mgr.hw; | |
685 | ||
686 | hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk); | |
687 | return 0; | |
688 | } | |
689 | ||
66640898 | 690 | int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr) |
8cc72361 | 691 | { |
514eef9c | 692 | int err, i; |
8cc72361 WYC |
693 | struct daio_mgr *daio_mgr; |
694 | struct imapper *entry; | |
695 | ||
696 | *rdaio_mgr = NULL; | |
697 | daio_mgr = kzalloc(sizeof(*daio_mgr), GFP_KERNEL); | |
35ebf6e7 | 698 | if (!daio_mgr) |
8cc72361 WYC |
699 | return -ENOMEM; |
700 | ||
55309216 | 701 | err = rsc_mgr_init(&daio_mgr->mgr, DAIO, NUM_DAIOTYP, hw); |
8cc72361 WYC |
702 | if (err) |
703 | goto error1; | |
704 | ||
705 | spin_lock_init(&daio_mgr->mgr_lock); | |
706 | spin_lock_init(&daio_mgr->imap_lock); | |
707 | INIT_LIST_HEAD(&daio_mgr->imappers); | |
708 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
35ebf6e7 | 709 | if (!entry) { |
8cc72361 WYC |
710 | err = -ENOMEM; |
711 | goto error2; | |
712 | } | |
713 | entry->slot = entry->addr = entry->next = entry->user = 0; | |
714 | list_add(&entry->list, &daio_mgr->imappers); | |
715 | daio_mgr->init_imap = entry; | |
716 | daio_mgr->init_imap_added = 1; | |
717 | ||
718 | daio_mgr->get_daio = get_daio_rsc; | |
719 | daio_mgr->put_daio = put_daio_rsc; | |
720 | daio_mgr->daio_enable = daio_mgr_enb_daio; | |
721 | daio_mgr->daio_disable = daio_mgr_dsb_daio; | |
722 | daio_mgr->imap_add = daio_imap_add; | |
723 | daio_mgr->imap_delete = daio_imap_delete; | |
724 | daio_mgr->commit_write = daio_mgr_commit_write; | |
e5347f9a | 725 | daio_mgr->card = hw->card; |
8cc72361 WYC |
726 | |
727 | for (i = 0; i < 8; i++) { | |
3d0fdc86 SM |
728 | hw->daio_mgr_dsb_dao(daio_mgr->mgr.ctrl_blk, i); |
729 | hw->daio_mgr_dsb_dai(daio_mgr->mgr.ctrl_blk, i); | |
8cc72361 | 730 | } |
3d0fdc86 | 731 | hw->daio_mgr_commit_write(hw, daio_mgr->mgr.ctrl_blk); |
8cc72361 WYC |
732 | |
733 | *rdaio_mgr = daio_mgr; | |
734 | ||
735 | return 0; | |
736 | ||
737 | error2: | |
738 | rsc_mgr_uninit(&daio_mgr->mgr); | |
739 | error1: | |
740 | kfree(daio_mgr); | |
741 | return err; | |
742 | } | |
743 | ||
744 | int daio_mgr_destroy(struct daio_mgr *daio_mgr) | |
745 | { | |
746 | unsigned long flags; | |
747 | ||
748 | /* free daio input mapper list */ | |
749 | spin_lock_irqsave(&daio_mgr->imap_lock, flags); | |
750 | free_input_mapper_list(&daio_mgr->imappers); | |
751 | spin_unlock_irqrestore(&daio_mgr->imap_lock, flags); | |
752 | ||
753 | rsc_mgr_uninit(&daio_mgr->mgr); | |
754 | kfree(daio_mgr); | |
755 | ||
756 | return 0; | |
757 | } | |
758 |