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- #include "ctdaio.h"
- #include "cthardware.h"
- #include "ctimap.h"
- #include <linux/slab.h>
- #include <linux/kernel.h>
- #define DAIO_OUT_MAX SPDIFOO
- struct daio_usage {
- unsigned short data;
- };
- struct daio_rsc_idx {
- unsigned short left;
- unsigned short right;
- };
- static struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
- [LINEO1] = {.left = 0x00, .right = 0x01},
- [LINEO2] = {.left = 0x18, .right = 0x19},
- [LINEO3] = {.left = 0x08, .right = 0x09},
- [LINEO4] = {.left = 0x10, .right = 0x11},
- [LINEIM] = {.left = 0x1b5, .right = 0x1bd},
- [SPDIFOO] = {.left = 0x20, .right = 0x21},
- [SPDIFIO] = {.left = 0x15, .right = 0x1d},
- [SPDIFI1] = {.left = 0x95, .right = 0x9d},
- };
- static struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = {
- [LINEO1] = {.left = 0x40, .right = 0x41},
- [LINEO2] = {.left = 0x60, .right = 0x61},
- [LINEO3] = {.left = 0x50, .right = 0x51},
- [LINEO4] = {.left = 0x70, .right = 0x71},
- [LINEIM] = {.left = 0x45, .right = 0xc5},
- [MIC] = {.left = 0x55, .right = 0xd5},
- [SPDIFOO] = {.left = 0x00, .right = 0x01},
- [SPDIFIO] = {.left = 0x05, .right = 0x85},
- };
- static int daio_master(struct rsc *rsc)
- {
-
- return rsc->conj = rsc->idx;
- }
- static int daio_index(const struct rsc *rsc)
- {
- return rsc->conj;
- }
- static int daio_out_next_conj(struct rsc *rsc)
- {
- return rsc->conj += 2;
- }
- static int daio_in_next_conj_20k1(struct rsc *rsc)
- {
- return rsc->conj += 0x200;
- }
- static int daio_in_next_conj_20k2(struct rsc *rsc)
- {
- return rsc->conj += 0x100;
- }
- static struct rsc_ops daio_out_rsc_ops = {
- .master = daio_master,
- .next_conj = daio_out_next_conj,
- .index = daio_index,
- .output_slot = NULL,
- };
- static struct rsc_ops daio_in_rsc_ops_20k1 = {
- .master = daio_master,
- .next_conj = daio_in_next_conj_20k1,
- .index = NULL,
- .output_slot = daio_index,
- };
- static struct rsc_ops daio_in_rsc_ops_20k2 = {
- .master = daio_master,
- .next_conj = daio_in_next_conj_20k2,
- .index = NULL,
- .output_slot = daio_index,
- };
- static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw)
- {
- switch (hw->chip_type) {
- case ATC20K1:
- switch (type) {
- case SPDIFOO: return 0;
- case SPDIFIO: return 0;
- case SPDIFI1: return 1;
- case LINEO1: return 4;
- case LINEO2: return 7;
- case LINEO3: return 5;
- case LINEO4: return 6;
- case LINEIM: return 7;
- default: return -EINVAL;
- }
- case ATC20K2:
- switch (type) {
- case SPDIFOO: return 0;
- case SPDIFIO: return 0;
- case LINEO1: return 4;
- case LINEO2: return 7;
- case LINEO3: return 5;
- case LINEO4: return 6;
- case LINEIM: return 4;
- case MIC: return 5;
- default: return -EINVAL;
- }
- default:
- return -EINVAL;
- }
- }
- static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc);
- static int dao_spdif_get_spos(struct dao *dao, unsigned int *spos)
- {
- dao->hw->dao_get_spos(dao->ctrl_blk, spos);
- return 0;
- }
- static int dao_spdif_set_spos(struct dao *dao, unsigned int spos)
- {
- dao->hw->dao_set_spos(dao->ctrl_blk, spos);
- return 0;
- }
- static int dao_commit_write(struct dao *dao)
- {
- dao->hw->dao_commit_write(dao->hw,
- daio_device_index(dao->daio.type, dao->hw), dao->ctrl_blk);
- return 0;
- }
- static int dao_set_left_input(struct dao *dao, struct rsc *input)
- {
- struct imapper *entry;
- struct daio *daio = &dao->daio;
- int i;
- entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
- dao->ops->clear_left_input(dao);
-
- input->ops->master(input);
- daio->rscl.ops->master(&daio->rscl);
- for (i = 0; i < daio->rscl.msr; i++, entry++) {
- entry->slot = input->ops->output_slot(input);
- entry->user = entry->addr = daio->rscl.ops->index(&daio->rscl);
- dao->mgr->imap_add(dao->mgr, entry);
- dao->imappers[i] = entry;
- input->ops->next_conj(input);
- daio->rscl.ops->next_conj(&daio->rscl);
- }
- input->ops->master(input);
- daio->rscl.ops->master(&daio->rscl);
- return 0;
- }
- static int dao_set_right_input(struct dao *dao, struct rsc *input)
- {
- struct imapper *entry;
- struct daio *daio = &dao->daio;
- int i;
- entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
- dao->ops->clear_right_input(dao);
-
- input->ops->master(input);
- daio->rscr.ops->master(&daio->rscr);
- for (i = 0; i < daio->rscr.msr; i++, entry++) {
- entry->slot = input->ops->output_slot(input);
- entry->user = entry->addr = daio->rscr.ops->index(&daio->rscr);
- dao->mgr->imap_add(dao->mgr, entry);
- dao->imappers[daio->rscl.msr + i] = entry;
- input->ops->next_conj(input);
- daio->rscr.ops->next_conj(&daio->rscr);
- }
- input->ops->master(input);
- daio->rscr.ops->master(&daio->rscr);
- return 0;
- }
- static int dao_clear_left_input(struct dao *dao)
- {
- struct imapper *entry;
- struct daio *daio = &dao->daio;
- int i;
- if (!dao->imappers[0])
- return 0;
- entry = dao->imappers[0];
- dao->mgr->imap_delete(dao->mgr, entry);
-
- for (i = 1; i < daio->rscl.msr; i++) {
- entry = dao->imappers[i];
- dao->mgr->imap_delete(dao->mgr, entry);
- dao->imappers[i] = NULL;
- }
- kfree(dao->imappers[0]);
- dao->imappers[0] = NULL;
- return 0;
- }
- static int dao_clear_right_input(struct dao *dao)
- {
- struct imapper *entry;
- struct daio *daio = &dao->daio;
- int i;
- if (!dao->imappers[daio->rscl.msr])
- return 0;
- entry = dao->imappers[daio->rscl.msr];
- dao->mgr->imap_delete(dao->mgr, entry);
-
- for (i = 1; i < daio->rscr.msr; i++) {
- entry = dao->imappers[daio->rscl.msr + i];
- dao->mgr->imap_delete(dao->mgr, entry);
- dao->imappers[daio->rscl.msr + i] = NULL;
- }
- kfree(dao->imappers[daio->rscl.msr]);
- dao->imappers[daio->rscl.msr] = NULL;
- return 0;
- }
- static struct dao_rsc_ops dao_ops = {
- .set_spos = dao_spdif_set_spos,
- .commit_write = dao_commit_write,
- .get_spos = dao_spdif_get_spos,
- .reinit = dao_rsc_reinit,
- .set_left_input = dao_set_left_input,
- .set_right_input = dao_set_right_input,
- .clear_left_input = dao_clear_left_input,
- .clear_right_input = dao_clear_right_input,
- };
- static int dai_set_srt_srcl(struct dai *dai, struct rsc *src)
- {
- src->ops->master(src);
- dai->hw->dai_srt_set_srcm(dai->ctrl_blk, src->ops->index(src));
- return 0;
- }
- static int dai_set_srt_srcr(struct dai *dai, struct rsc *src)
- {
- src->ops->master(src);
- dai->hw->dai_srt_set_srco(dai->ctrl_blk, src->ops->index(src));
- return 0;
- }
- static int dai_set_srt_msr(struct dai *dai, unsigned int msr)
- {
- unsigned int rsr;
- for (rsr = 0; msr > 1; msr >>= 1)
- rsr++;
- dai->hw->dai_srt_set_rsr(dai->ctrl_blk, rsr);
- return 0;
- }
- static int dai_set_enb_src(struct dai *dai, unsigned int enb)
- {
- dai->hw->dai_srt_set_ec(dai->ctrl_blk, enb);
- return 0;
- }
- static int dai_set_enb_srt(struct dai *dai, unsigned int enb)
- {
- dai->hw->dai_srt_set_et(dai->ctrl_blk, enb);
- return 0;
- }
- static int dai_commit_write(struct dai *dai)
- {
- dai->hw->dai_commit_write(dai->hw,
- daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk);
- return 0;
- }
- static struct dai_rsc_ops dai_ops = {
- .set_srt_srcl = dai_set_srt_srcl,
- .set_srt_srcr = dai_set_srt_srcr,
- .set_srt_msr = dai_set_srt_msr,
- .set_enb_src = dai_set_enb_src,
- .set_enb_srt = dai_set_enb_srt,
- .commit_write = dai_commit_write,
- };
- static int daio_rsc_init(struct daio *daio,
- const struct daio_desc *desc,
- struct hw *hw)
- {
- int err;
- unsigned int idx_l, idx_r;
- switch (hw->chip_type) {
- case ATC20K1:
- idx_l = idx_20k1[desc->type].left;
- idx_r = idx_20k1[desc->type].right;
- break;
- case ATC20K2:
- idx_l = idx_20k2[desc->type].left;
- idx_r = idx_20k2[desc->type].right;
- break;
- default:
- return -EINVAL;
- }
- err = rsc_init(&daio->rscl, idx_l, DAIO, desc->msr, hw);
- if (err)
- return err;
- err = rsc_init(&daio->rscr, idx_r, DAIO, desc->msr, hw);
- if (err)
- goto error1;
-
- if (desc->type <= DAIO_OUT_MAX) {
- daio->rscl.ops = daio->rscr.ops = &daio_out_rsc_ops;
- } else {
- switch (hw->chip_type) {
- case ATC20K1:
- daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k1;
- break;
- case ATC20K2:
- daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k2;
- break;
- default:
- break;
- }
- }
- daio->type = desc->type;
- return 0;
- error1:
- rsc_uninit(&daio->rscl);
- return err;
- }
- static int daio_rsc_uninit(struct daio *daio)
- {
- rsc_uninit(&daio->rscl);
- rsc_uninit(&daio->rscr);
- return 0;
- }
- static int dao_rsc_init(struct dao *dao,
- const struct daio_desc *desc,
- struct daio_mgr *mgr)
- {
- struct hw *hw = mgr->mgr.hw;
- unsigned int conf;
- int err;
- err = daio_rsc_init(&dao->daio, desc, mgr->mgr.hw);
- if (err)
- return err;
- dao->imappers = kzalloc(sizeof(void *)*desc->msr*2, GFP_KERNEL);
- if (!dao->imappers) {
- err = -ENOMEM;
- goto error1;
- }
- dao->ops = &dao_ops;
- dao->mgr = mgr;
- dao->hw = hw;
- err = hw->dao_get_ctrl_blk(&dao->ctrl_blk);
- if (err)
- goto error2;
- hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk,
- daio_device_index(dao->daio.type, hw));
- hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
- conf = (desc->msr & 0x7) | (desc->passthru << 3);
- hw->daio_mgr_dao_init(mgr->mgr.ctrl_blk,
- daio_device_index(dao->daio.type, hw), conf);
- hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
- daio_device_index(dao->daio.type, hw));
- hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
- return 0;
- error2:
- kfree(dao->imappers);
- dao->imappers = NULL;
- error1:
- daio_rsc_uninit(&dao->daio);
- return err;
- }
- static int dao_rsc_uninit(struct dao *dao)
- {
- if (dao->imappers) {
- if (dao->imappers[0])
- dao_clear_left_input(dao);
- if (dao->imappers[dao->daio.rscl.msr])
- dao_clear_right_input(dao);
- kfree(dao->imappers);
- dao->imappers = NULL;
- }
- dao->hw->dao_put_ctrl_blk(dao->ctrl_blk);
- dao->hw = dao->ctrl_blk = NULL;
- daio_rsc_uninit(&dao->daio);
- return 0;
- }
- static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc)
- {
- struct daio_mgr *mgr = dao->mgr;
- struct daio_desc dsc = {0};
- dsc.type = dao->daio.type;
- dsc.msr = desc->msr;
- dsc.passthru = desc->passthru;
- dao_rsc_uninit(dao);
- return dao_rsc_init(dao, &dsc, mgr);
- }
- static int dai_rsc_init(struct dai *dai,
- const struct daio_desc *desc,
- struct daio_mgr *mgr)
- {
- int err;
- struct hw *hw = mgr->mgr.hw;
- unsigned int rsr, msr;
- err = daio_rsc_init(&dai->daio, desc, mgr->mgr.hw);
- if (err)
- return err;
- dai->ops = &dai_ops;
- dai->hw = mgr->mgr.hw;
- err = hw->dai_get_ctrl_blk(&dai->ctrl_blk);
- if (err)
- goto error1;
- for (rsr = 0, msr = desc->msr; msr > 1; msr >>= 1)
- rsr++;
- hw->dai_srt_set_rsr(dai->ctrl_blk, rsr);
- hw->dai_srt_set_drat(dai->ctrl_blk, 0);
-
- hw->dai_srt_set_ec(dai->ctrl_blk, 0);
- hw->dai_srt_set_et(dai->ctrl_blk, 0);
- hw->dai_commit_write(hw,
- daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk);
- return 0;
- error1:
- daio_rsc_uninit(&dai->daio);
- return err;
- }
- static int dai_rsc_uninit(struct dai *dai)
- {
- dai->hw->dai_put_ctrl_blk(dai->ctrl_blk);
- dai->hw = dai->ctrl_blk = NULL;
- daio_rsc_uninit(&dai->daio);
- return 0;
- }
- static int daio_mgr_get_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
- {
- if (((struct daio_usage *)mgr->rscs)->data & (0x1 << type))
- return -ENOENT;
- ((struct daio_usage *)mgr->rscs)->data |= (0x1 << type);
- return 0;
- }
- static int daio_mgr_put_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
- {
- ((struct daio_usage *)mgr->rscs)->data &= ~(0x1 << type);
- return 0;
- }
- static int get_daio_rsc(struct daio_mgr *mgr,
- const struct daio_desc *desc,
- struct daio **rdaio)
- {
- int err;
- unsigned long flags;
- *rdaio = NULL;
-
- spin_lock_irqsave(&mgr->mgr_lock, flags);
- err = daio_mgr_get_rsc(&mgr->mgr, desc->type);
- spin_unlock_irqrestore(&mgr->mgr_lock, flags);
- if (err) {
- dev_err(mgr->card->dev,
- "Can't meet DAIO resource request!\n");
- return err;
- }
- err = -ENOMEM;
-
- if (desc->type <= DAIO_OUT_MAX) {
- struct dao *dao = kzalloc(sizeof(*dao), GFP_KERNEL);
- if (!dao)
- goto error;
- err = dao_rsc_init(dao, desc, mgr);
- if (err) {
- kfree(dao);
- goto error;
- }
- *rdaio = &dao->daio;
- } else {
- struct dai *dai = kzalloc(sizeof(*dai), GFP_KERNEL);
- if (!dai)
- goto error;
- err = dai_rsc_init(dai, desc, mgr);
- if (err) {
- kfree(dai);
- goto error;
- }
- *rdaio = &dai->daio;
- }
- mgr->daio_enable(mgr, *rdaio);
- mgr->commit_write(mgr);
- return 0;
- error:
- spin_lock_irqsave(&mgr->mgr_lock, flags);
- daio_mgr_put_rsc(&mgr->mgr, desc->type);
- spin_unlock_irqrestore(&mgr->mgr_lock, flags);
- return err;
- }
- static int put_daio_rsc(struct daio_mgr *mgr, struct daio *daio)
- {
- unsigned long flags;
- mgr->daio_disable(mgr, daio);
- mgr->commit_write(mgr);
- spin_lock_irqsave(&mgr->mgr_lock, flags);
- daio_mgr_put_rsc(&mgr->mgr, daio->type);
- spin_unlock_irqrestore(&mgr->mgr_lock, flags);
- if (daio->type <= DAIO_OUT_MAX) {
- dao_rsc_uninit(container_of(daio, struct dao, daio));
- kfree(container_of(daio, struct dao, daio));
- } else {
- dai_rsc_uninit(container_of(daio, struct dai, daio));
- kfree(container_of(daio, struct dai, daio));
- }
- return 0;
- }
- static int daio_mgr_enb_daio(struct daio_mgr *mgr, struct daio *daio)
- {
- struct hw *hw = mgr->mgr.hw;
- if (DAIO_OUT_MAX >= daio->type) {
- hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
- daio_device_index(daio->type, hw));
- } else {
- hw->daio_mgr_enb_dai(mgr->mgr.ctrl_blk,
- daio_device_index(daio->type, hw));
- }
- return 0;
- }
- static int daio_mgr_dsb_daio(struct daio_mgr *mgr, struct daio *daio)
- {
- struct hw *hw = mgr->mgr.hw;
- if (DAIO_OUT_MAX >= daio->type) {
- hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk,
- daio_device_index(daio->type, hw));
- } else {
- hw->daio_mgr_dsb_dai(mgr->mgr.ctrl_blk,
- daio_device_index(daio->type, hw));
- }
- return 0;
- }
- static int daio_map_op(void *data, struct imapper *entry)
- {
- struct rsc_mgr *mgr = &((struct daio_mgr *)data)->mgr;
- struct hw *hw = mgr->hw;
- hw->daio_mgr_set_imaparc(mgr->ctrl_blk, entry->slot);
- hw->daio_mgr_set_imapnxt(mgr->ctrl_blk, entry->next);
- hw->daio_mgr_set_imapaddr(mgr->ctrl_blk, entry->addr);
- hw->daio_mgr_commit_write(mgr->hw, mgr->ctrl_blk);
- return 0;
- }
- static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry)
- {
- unsigned long flags;
- int err;
- spin_lock_irqsave(&mgr->imap_lock, flags);
- if (!entry->addr && mgr->init_imap_added) {
- input_mapper_delete(&mgr->imappers, mgr->init_imap,
- daio_map_op, mgr);
- mgr->init_imap_added = 0;
- }
- err = input_mapper_add(&mgr->imappers, entry, daio_map_op, mgr);
- spin_unlock_irqrestore(&mgr->imap_lock, flags);
- return err;
- }
- static int daio_imap_delete(struct daio_mgr *mgr, struct imapper *entry)
- {
- unsigned long flags;
- int err;
- spin_lock_irqsave(&mgr->imap_lock, flags);
- err = input_mapper_delete(&mgr->imappers, entry, daio_map_op, mgr);
- if (list_empty(&mgr->imappers)) {
- input_mapper_add(&mgr->imappers, mgr->init_imap,
- daio_map_op, mgr);
- mgr->init_imap_added = 1;
- }
- spin_unlock_irqrestore(&mgr->imap_lock, flags);
- return err;
- }
- static int daio_mgr_commit_write(struct daio_mgr *mgr)
- {
- struct hw *hw = mgr->mgr.hw;
- hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
- return 0;
- }
- int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr)
- {
- int err, i;
- struct daio_mgr *daio_mgr;
- struct imapper *entry;
- *rdaio_mgr = NULL;
- daio_mgr = kzalloc(sizeof(*daio_mgr), GFP_KERNEL);
- if (!daio_mgr)
- return -ENOMEM;
- err = rsc_mgr_init(&daio_mgr->mgr, DAIO, NUM_DAIOTYP, hw);
- if (err)
- goto error1;
- spin_lock_init(&daio_mgr->mgr_lock);
- spin_lock_init(&daio_mgr->imap_lock);
- INIT_LIST_HEAD(&daio_mgr->imappers);
- entry = kzalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry) {
- err = -ENOMEM;
- goto error2;
- }
- entry->slot = entry->addr = entry->next = entry->user = 0;
- list_add(&entry->list, &daio_mgr->imappers);
- daio_mgr->init_imap = entry;
- daio_mgr->init_imap_added = 1;
- daio_mgr->get_daio = get_daio_rsc;
- daio_mgr->put_daio = put_daio_rsc;
- daio_mgr->daio_enable = daio_mgr_enb_daio;
- daio_mgr->daio_disable = daio_mgr_dsb_daio;
- daio_mgr->imap_add = daio_imap_add;
- daio_mgr->imap_delete = daio_imap_delete;
- daio_mgr->commit_write = daio_mgr_commit_write;
- daio_mgr->card = hw->card;
- for (i = 0; i < 8; i++) {
- hw->daio_mgr_dsb_dao(daio_mgr->mgr.ctrl_blk, i);
- hw->daio_mgr_dsb_dai(daio_mgr->mgr.ctrl_blk, i);
- }
- hw->daio_mgr_commit_write(hw, daio_mgr->mgr.ctrl_blk);
- *rdaio_mgr = daio_mgr;
- return 0;
- error2:
- rsc_mgr_uninit(&daio_mgr->mgr);
- error1:
- kfree(daio_mgr);
- return err;
- }
- int daio_mgr_destroy(struct daio_mgr *daio_mgr)
- {
- unsigned long flags;
-
- spin_lock_irqsave(&daio_mgr->imap_lock, flags);
- free_input_mapper_list(&daio_mgr->imappers);
- spin_unlock_irqrestore(&daio_mgr->imap_lock, flags);
- rsc_mgr_uninit(&daio_mgr->mgr);
- kfree(daio_mgr);
- return 0;
- }
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