--- /dev/null
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * This source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ * @File ctdaio.c
+ *
+ * @Brief
+ * This file contains the implementation of Digital Audio Input Output
+ * resource management object.
+ *
+ * @Author Liu Chun
+ * @Date May 23 2008
+ *
+ */
+
+#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)
+{
+ /* Actually, this is not the resource index of DAIO.
+ * For DAO, it is the input mapper index. And, for DAI,
+ * it is the output time-slot index. */
+ 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);
+ /* Program master and conjugate resources */
+ 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);
+ /* Program master and conjugate resources */
+ 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);
+ /* Program conjugate resources */
+ 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);
+ /* Program conjugate resources */
+ 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;
+
+ /* Set daio->rscl/r->ops to daio specific ones */
+ 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);
+ /* default to disabling control of a SRC */
+ hw->dai_srt_set_ec(dai->ctrl_blk, 0);
+ hw->dai_srt_set_et(dai->ctrl_blk, 0); /* default to disabling SRT */
+ 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;
+
+ /* Check whether there are sufficient daio resources to meet request. */
+ 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;
+ /* Allocate mem for daio resource */
+ 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;
+
+ /* free daio input mapper list */
+ 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;
+}
+
Code Review / kvmfornfv.git / blobdiff