2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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.
11 * This file contains the implementation of Digital Audio Input Output
12 * resource management object.
20 #include "cthardware.h"
22 #include <linux/slab.h>
23 #include <linux/kernel.h>
25 #define DAIO_OUT_MAX SPDIFOO
36 static struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
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},
47 static struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = {
48 [LINEO1] = {.left = 0x40, .right = 0x41},
49 [LINEO2] = {.left = 0x60, .right = 0x61},
50 [LINEO3] = {.left = 0x50, .right = 0x51},
51 [LINEO4] = {.left = 0x70, .right = 0x71},
52 [LINEIM] = {.left = 0x45, .right = 0xc5},
53 [MIC] = {.left = 0x55, .right = 0xd5},
54 [SPDIFOO] = {.left = 0x00, .right = 0x01},
55 [SPDIFIO] = {.left = 0x05, .right = 0x85},
58 static int daio_master(struct rsc *rsc)
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;
66 static int daio_index(const struct rsc *rsc)
71 static int daio_out_next_conj(struct rsc *rsc)
73 return rsc->conj += 2;
76 static int daio_in_next_conj_20k1(struct rsc *rsc)
78 return rsc->conj += 0x200;
81 static int daio_in_next_conj_20k2(struct rsc *rsc)
83 return rsc->conj += 0x100;
86 static struct rsc_ops daio_out_rsc_ops = {
87 .master = daio_master,
88 .next_conj = daio_out_next_conj,
93 static struct rsc_ops daio_in_rsc_ops_20k1 = {
94 .master = daio_master,
95 .next_conj = daio_in_next_conj_20k1,
97 .output_slot = daio_index,
100 static struct rsc_ops daio_in_rsc_ops_20k2 = {
101 .master = daio_master,
102 .next_conj = daio_in_next_conj_20k2,
104 .output_slot = daio_index,
107 static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw)
109 switch (hw->chip_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;
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;
132 default: return -EINVAL;
139 static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc);
141 static int dao_spdif_get_spos(struct dao *dao, unsigned int *spos)
143 dao->hw->dao_get_spos(dao->ctrl_blk, spos);
147 static int dao_spdif_set_spos(struct dao *dao, unsigned int spos)
149 dao->hw->dao_set_spos(dao->ctrl_blk, spos);
153 static int dao_commit_write(struct dao *dao)
155 dao->hw->dao_commit_write(dao->hw,
156 daio_device_index(dao->daio.type, dao->hw), dao->ctrl_blk);
160 static int dao_set_left_input(struct dao *dao, struct rsc *input)
162 struct imapper *entry;
163 struct daio *daio = &dao->daio;
166 entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL);
170 dao->ops->clear_left_input(dao);
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;
180 input->ops->next_conj(input);
181 daio->rscl.ops->next_conj(&daio->rscl);
183 input->ops->master(input);
184 daio->rscl.ops->master(&daio->rscl);
189 static int dao_set_right_input(struct dao *dao, struct rsc *input)
191 struct imapper *entry;
192 struct daio *daio = &dao->daio;
195 entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL);
199 dao->ops->clear_right_input(dao);
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;
209 input->ops->next_conj(input);
210 daio->rscr.ops->next_conj(&daio->rscr);
212 input->ops->master(input);
213 daio->rscr.ops->master(&daio->rscr);
218 static int dao_clear_left_input(struct dao *dao)
220 struct imapper *entry;
221 struct daio *daio = &dao->daio;
224 if (!dao->imappers[0])
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;
236 kfree(dao->imappers[0]);
237 dao->imappers[0] = NULL;
242 static int dao_clear_right_input(struct dao *dao)
244 struct imapper *entry;
245 struct daio *daio = &dao->daio;
248 if (!dao->imappers[daio->rscl.msr])
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;
260 kfree(dao->imappers[daio->rscl.msr]);
261 dao->imappers[daio->rscl.msr] = NULL;
266 static struct dao_rsc_ops dao_ops = {
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,
277 static int dai_set_srt_srcl(struct dai *dai, struct rsc *src)
279 src->ops->master(src);
280 dai->hw->dai_srt_set_srcm(dai->ctrl_blk, src->ops->index(src));
284 static int dai_set_srt_srcr(struct dai *dai, struct rsc *src)
286 src->ops->master(src);
287 dai->hw->dai_srt_set_srco(dai->ctrl_blk, src->ops->index(src));
291 static int dai_set_srt_msr(struct dai *dai, unsigned int msr)
295 for (rsr = 0; msr > 1; msr >>= 1)
298 dai->hw->dai_srt_set_rsr(dai->ctrl_blk, rsr);
302 static int dai_set_enb_src(struct dai *dai, unsigned int enb)
304 dai->hw->dai_srt_set_ec(dai->ctrl_blk, enb);
308 static int dai_set_enb_srt(struct dai *dai, unsigned int enb)
310 dai->hw->dai_srt_set_et(dai->ctrl_blk, enb);
314 static int dai_commit_write(struct dai *dai)
316 dai->hw->dai_commit_write(dai->hw,
317 daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk);
321 static struct dai_rsc_ops dai_ops = {
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,
330 static int daio_rsc_init(struct daio *daio,
331 const struct daio_desc *desc,
335 unsigned int idx_l, idx_r;
337 switch (hw->chip_type) {
339 idx_l = idx_20k1[desc->type].left;
340 idx_r = idx_20k1[desc->type].right;
343 idx_l = idx_20k2[desc->type].left;
344 idx_r = idx_20k2[desc->type].right;
349 err = rsc_init(&daio->rscl, idx_l, DAIO, desc->msr, hw);
353 err = rsc_init(&daio->rscr, idx_r, DAIO, desc->msr, hw);
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;
361 switch (hw->chip_type) {
363 daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k1;
366 daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k2;
372 daio->type = desc->type;
377 rsc_uninit(&daio->rscl);
381 static int daio_rsc_uninit(struct daio *daio)
383 rsc_uninit(&daio->rscl);
384 rsc_uninit(&daio->rscr);
389 static int dao_rsc_init(struct dao *dao,
390 const struct daio_desc *desc,
391 struct daio_mgr *mgr)
393 struct hw *hw = mgr->mgr.hw;
397 err = daio_rsc_init(&dao->daio, desc, mgr->mgr.hw);
401 dao->imappers = kzalloc(sizeof(void *)*desc->msr*2, GFP_KERNEL);
402 if (!dao->imappers) {
409 err = hw->dao_get_ctrl_blk(&dao->ctrl_blk);
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);
417 conf = (desc->msr & 0x7) | (desc->passthru << 3);
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);
427 kfree(dao->imappers);
428 dao->imappers = NULL;
430 daio_rsc_uninit(&dao->daio);
434 static int dao_rsc_uninit(struct dao *dao)
437 if (dao->imappers[0])
438 dao_clear_left_input(dao);
440 if (dao->imappers[dao->daio.rscl.msr])
441 dao_clear_right_input(dao);
443 kfree(dao->imappers);
444 dao->imappers = NULL;
446 dao->hw->dao_put_ctrl_blk(dao->ctrl_blk);
447 dao->hw = dao->ctrl_blk = NULL;
448 daio_rsc_uninit(&dao->daio);
453 static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc)
455 struct daio_mgr *mgr = dao->mgr;
456 struct daio_desc dsc = {0};
458 dsc.type = dao->daio.type;
460 dsc.passthru = desc->passthru;
462 return dao_rsc_init(dao, &dsc, mgr);
465 static int dai_rsc_init(struct dai *dai,
466 const struct daio_desc *desc,
467 struct daio_mgr *mgr)
470 struct hw *hw = mgr->mgr.hw;
471 unsigned int rsr, msr;
473 err = daio_rsc_init(&dai->daio, desc, mgr->mgr.hw);
478 dai->hw = mgr->mgr.hw;
479 err = hw->dai_get_ctrl_blk(&dai->ctrl_blk);
483 for (rsr = 0, msr = desc->msr; msr > 1; msr >>= 1)
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);
497 daio_rsc_uninit(&dai->daio);
501 static int dai_rsc_uninit(struct dai *dai)
503 dai->hw->dai_put_ctrl_blk(dai->ctrl_blk);
504 dai->hw = dai->ctrl_blk = NULL;
505 daio_rsc_uninit(&dai->daio);
509 static int daio_mgr_get_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
511 if (((struct daio_usage *)mgr->rscs)->data & (0x1 << type))
514 ((struct daio_usage *)mgr->rscs)->data |= (0x1 << type);
519 static int daio_mgr_put_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
521 ((struct daio_usage *)mgr->rscs)->data &= ~(0x1 << type);
526 static int get_daio_rsc(struct daio_mgr *mgr,
527 const struct daio_desc *desc,
531 struct dai *dai = NULL;
532 struct dao *dao = NULL;
537 /* Check whether there are sufficient daio resources to meet request. */
538 spin_lock_irqsave(&mgr->mgr_lock, flags);
539 err = daio_mgr_get_rsc(&mgr->mgr, desc->type);
540 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
542 dev_err(mgr->card->dev,
543 "Can't meet DAIO resource request!\n");
547 /* Allocate mem for daio resource */
548 if (desc->type <= DAIO_OUT_MAX) {
549 dao = kzalloc(sizeof(*dao), GFP_KERNEL);
554 err = dao_rsc_init(dao, desc, mgr);
560 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
565 err = dai_rsc_init(dai, desc, mgr);
572 mgr->daio_enable(mgr, *rdaio);
573 mgr->commit_write(mgr);
583 spin_lock_irqsave(&mgr->mgr_lock, flags);
584 daio_mgr_put_rsc(&mgr->mgr, desc->type);
585 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
589 static int put_daio_rsc(struct daio_mgr *mgr, struct daio *daio)
593 mgr->daio_disable(mgr, daio);
594 mgr->commit_write(mgr);
596 spin_lock_irqsave(&mgr->mgr_lock, flags);
597 daio_mgr_put_rsc(&mgr->mgr, daio->type);
598 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
600 if (daio->type <= DAIO_OUT_MAX) {
601 dao_rsc_uninit(container_of(daio, struct dao, daio));
602 kfree(container_of(daio, struct dao, daio));
604 dai_rsc_uninit(container_of(daio, struct dai, daio));
605 kfree(container_of(daio, struct dai, daio));
611 static int daio_mgr_enb_daio(struct daio_mgr *mgr, struct daio *daio)
613 struct hw *hw = mgr->mgr.hw;
615 if (DAIO_OUT_MAX >= daio->type) {
616 hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
617 daio_device_index(daio->type, hw));
619 hw->daio_mgr_enb_dai(mgr->mgr.ctrl_blk,
620 daio_device_index(daio->type, hw));
625 static int daio_mgr_dsb_daio(struct daio_mgr *mgr, struct daio *daio)
627 struct hw *hw = mgr->mgr.hw;
629 if (DAIO_OUT_MAX >= daio->type) {
630 hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk,
631 daio_device_index(daio->type, hw));
633 hw->daio_mgr_dsb_dai(mgr->mgr.ctrl_blk,
634 daio_device_index(daio->type, hw));
639 static int daio_map_op(void *data, struct imapper *entry)
641 struct rsc_mgr *mgr = &((struct daio_mgr *)data)->mgr;
642 struct hw *hw = mgr->hw;
644 hw->daio_mgr_set_imaparc(mgr->ctrl_blk, entry->slot);
645 hw->daio_mgr_set_imapnxt(mgr->ctrl_blk, entry->next);
646 hw->daio_mgr_set_imapaddr(mgr->ctrl_blk, entry->addr);
647 hw->daio_mgr_commit_write(mgr->hw, mgr->ctrl_blk);
652 static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry)
657 spin_lock_irqsave(&mgr->imap_lock, flags);
658 if (!entry->addr && mgr->init_imap_added) {
659 input_mapper_delete(&mgr->imappers, mgr->init_imap,
661 mgr->init_imap_added = 0;
663 err = input_mapper_add(&mgr->imappers, entry, daio_map_op, mgr);
664 spin_unlock_irqrestore(&mgr->imap_lock, flags);
669 static int daio_imap_delete(struct daio_mgr *mgr, struct imapper *entry)
674 spin_lock_irqsave(&mgr->imap_lock, flags);
675 err = input_mapper_delete(&mgr->imappers, entry, daio_map_op, mgr);
676 if (list_empty(&mgr->imappers)) {
677 input_mapper_add(&mgr->imappers, mgr->init_imap,
679 mgr->init_imap_added = 1;
681 spin_unlock_irqrestore(&mgr->imap_lock, flags);
686 static int daio_mgr_commit_write(struct daio_mgr *mgr)
688 struct hw *hw = mgr->mgr.hw;
690 hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
694 int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr)
697 struct daio_mgr *daio_mgr;
698 struct imapper *entry;
701 daio_mgr = kzalloc(sizeof(*daio_mgr), GFP_KERNEL);
705 err = rsc_mgr_init(&daio_mgr->mgr, DAIO, NUM_DAIOTYP, hw);
709 spin_lock_init(&daio_mgr->mgr_lock);
710 spin_lock_init(&daio_mgr->imap_lock);
711 INIT_LIST_HEAD(&daio_mgr->imappers);
712 entry = kzalloc(sizeof(*entry), GFP_KERNEL);
717 entry->slot = entry->addr = entry->next = entry->user = 0;
718 list_add(&entry->list, &daio_mgr->imappers);
719 daio_mgr->init_imap = entry;
720 daio_mgr->init_imap_added = 1;
722 daio_mgr->get_daio = get_daio_rsc;
723 daio_mgr->put_daio = put_daio_rsc;
724 daio_mgr->daio_enable = daio_mgr_enb_daio;
725 daio_mgr->daio_disable = daio_mgr_dsb_daio;
726 daio_mgr->imap_add = daio_imap_add;
727 daio_mgr->imap_delete = daio_imap_delete;
728 daio_mgr->commit_write = daio_mgr_commit_write;
729 daio_mgr->card = hw->card;
731 for (i = 0; i < 8; i++) {
732 hw->daio_mgr_dsb_dao(daio_mgr->mgr.ctrl_blk, i);
733 hw->daio_mgr_dsb_dai(daio_mgr->mgr.ctrl_blk, i);
735 hw->daio_mgr_commit_write(hw, daio_mgr->mgr.ctrl_blk);
737 *rdaio_mgr = daio_mgr;
742 rsc_mgr_uninit(&daio_mgr->mgr);
748 int daio_mgr_destroy(struct daio_mgr *daio_mgr)
752 /* free daio input mapper list */
753 spin_lock_irqsave(&daio_mgr->imap_lock, flags);
754 free_input_mapper_list(&daio_mgr->imappers);
755 spin_unlock_irqrestore(&daio_mgr->imap_lock, flags);
757 rsc_mgr_uninit(&daio_mgr->mgr);