--- /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 ctatc.c
+ *
+ * @Brief
+ * This file contains the implementation of the device resource management
+ * object.
+ *
+ * @Author Liu Chun
+ * @Date Mar 28 2008
+ */
+
+#include "ctatc.h"
+#include "ctpcm.h"
+#include "ctmixer.h"
+#include "ctsrc.h"
+#include "ctamixer.h"
+#include "ctdaio.h"
+#include "cttimer.h"
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <sound/pcm.h>
+#include <sound/control.h>
+#include <sound/asoundef.h>
+
+#define MONO_SUM_SCALE 0x19a8 /* 2^(-0.5) in 14-bit floating format */
+#define MAX_MULTI_CHN 8
+
+#define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
+ | IEC958_AES0_CON_NOT_COPYRIGHT) \
+ | ((IEC958_AES1_CON_MIXER \
+ | IEC958_AES1_CON_ORIGINAL) << 8) \
+ | (0x10 << 16) \
+ | ((IEC958_AES3_CON_FS_48000) << 24))
+
+static struct snd_pci_quirk subsys_20k1_list[] = {
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
+ SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
+ "UAA", CTUAA),
+ { } /* terminator */
+};
+
+static struct snd_pci_quirk subsys_20k2_list[] = {
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
+ "SB0760", CTSB0760),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
+ "SB1270", CTSB1270),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
+ "SB0880", CTSB0880),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
+ "SB0880", CTSB0880),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
+ "SB0880", CTSB0880),
+ SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
+ PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
+ CTHENDRIX),
+ { } /* terminator */
+};
+
+static const char *ct_subsys_name[NUM_CTCARDS] = {
+ /* 20k1 models */
+ [CTSB055X] = "SB055x",
+ [CTSB073X] = "SB073x",
+ [CTUAA] = "UAA",
+ [CT20K1_UNKNOWN] = "Unknown",
+ /* 20k2 models */
+ [CTSB0760] = "SB076x",
+ [CTHENDRIX] = "Hendrix",
+ [CTSB0880] = "SB0880",
+ [CTSB1270] = "SB1270",
+ [CT20K2_UNKNOWN] = "Unknown",
+};
+
+static struct {
+ int (*create)(struct ct_atc *atc,
+ enum CTALSADEVS device, const char *device_name);
+ int (*destroy)(void *alsa_dev);
+ const char *public_name;
+} alsa_dev_funcs[NUM_CTALSADEVS] = {
+ [FRONT] = { .create = ct_alsa_pcm_create,
+ .destroy = NULL,
+ .public_name = "Front/WaveIn"},
+ [SURROUND] = { .create = ct_alsa_pcm_create,
+ .destroy = NULL,
+ .public_name = "Surround"},
+ [CLFE] = { .create = ct_alsa_pcm_create,
+ .destroy = NULL,
+ .public_name = "Center/LFE"},
+ [SIDE] = { .create = ct_alsa_pcm_create,
+ .destroy = NULL,
+ .public_name = "Side"},
+ [IEC958] = { .create = ct_alsa_pcm_create,
+ .destroy = NULL,
+ .public_name = "IEC958 Non-audio"},
+
+ [MIXER] = { .create = ct_alsa_mix_create,
+ .destroy = NULL,
+ .public_name = "Mixer"}
+};
+
+typedef int (*create_t)(struct hw *, void **);
+typedef int (*destroy_t)(void *);
+
+static struct {
+ int (*create)(struct hw *hw, void **rmgr);
+ int (*destroy)(void *mgr);
+} rsc_mgr_funcs[NUM_RSCTYP] = {
+ [SRC] = { .create = (create_t)src_mgr_create,
+ .destroy = (destroy_t)src_mgr_destroy },
+ [SRCIMP] = { .create = (create_t)srcimp_mgr_create,
+ .destroy = (destroy_t)srcimp_mgr_destroy },
+ [AMIXER] = { .create = (create_t)amixer_mgr_create,
+ .destroy = (destroy_t)amixer_mgr_destroy },
+ [SUM] = { .create = (create_t)sum_mgr_create,
+ .destroy = (destroy_t)sum_mgr_destroy },
+ [DAIO] = { .create = (create_t)daio_mgr_create,
+ .destroy = (destroy_t)daio_mgr_destroy }
+};
+
+static int
+atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
+
+/* *
+ * Only mono and interleaved modes are supported now.
+ * Always allocates a contiguous channel block.
+ * */
+
+static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct snd_pcm_runtime *runtime;
+ struct ct_vm *vm;
+
+ if (!apcm->substream)
+ return 0;
+
+ runtime = apcm->substream->runtime;
+ vm = atc->vm;
+
+ apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
+
+ if (!apcm->vm_block)
+ return -ENOENT;
+
+ return 0;
+}
+
+static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct ct_vm *vm;
+
+ if (!apcm->vm_block)
+ return;
+
+ vm = atc->vm;
+
+ vm->unmap(vm, apcm->vm_block);
+
+ apcm->vm_block = NULL;
+}
+
+static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
+{
+ return atc->vm->get_ptp_phys(atc->vm, index);
+}
+
+static unsigned int convert_format(snd_pcm_format_t snd_format,
+ struct snd_card *card)
+{
+ switch (snd_format) {
+ case SNDRV_PCM_FORMAT_U8:
+ return SRC_SF_U8;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ return SRC_SF_S16;
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ return SRC_SF_S24;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ return SRC_SF_S32;
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ return SRC_SF_F32;
+ default:
+ dev_err(card->dev, "not recognized snd format is %d\n",
+ snd_format);
+ return SRC_SF_S16;
+ }
+}
+
+static unsigned int
+atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
+{
+ unsigned int pitch;
+ int b;
+
+ /* get pitch and convert to fixed-point 8.24 format. */
+ pitch = (input_rate / output_rate) << 24;
+ input_rate %= output_rate;
+ input_rate /= 100;
+ output_rate /= 100;
+ for (b = 31; ((b >= 0) && !(input_rate >> b)); )
+ b--;
+
+ if (b >= 0) {
+ input_rate <<= (31 - b);
+ input_rate /= output_rate;
+ b = 24 - (31 - b);
+ if (b >= 0)
+ input_rate <<= b;
+ else
+ input_rate >>= -b;
+
+ pitch |= input_rate;
+ }
+
+ return pitch;
+}
+
+static int select_rom(unsigned int pitch)
+{
+ if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
+ /* 0.26 <= pitch <= 1.72 */
+ return 1;
+ } else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
+ /* pitch == 1.8375 */
+ return 2;
+ } else if (pitch == 0x02000000) {
+ /* pitch == 2 */
+ return 3;
+ } else if (pitch <= 0x08000000) {
+ /* 0 <= pitch <= 8 */
+ return 0;
+ } else {
+ return -ENOENT;
+ }
+}
+
+static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
+ struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
+ struct src_desc desc = {0};
+ struct amixer_desc mix_dsc = {0};
+ struct src *src;
+ struct amixer *amixer;
+ int err;
+ int n_amixer = apcm->substream->runtime->channels, i = 0;
+ int device = apcm->substream->pcm->device;
+ unsigned int pitch;
+
+ /* first release old resources */
+ atc_pcm_release_resources(atc, apcm);
+
+ /* Get SRC resource */
+ desc.multi = apcm->substream->runtime->channels;
+ desc.msr = atc->msr;
+ desc.mode = MEMRD;
+ err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
+ if (err)
+ goto error1;
+
+ pitch = atc_get_pitch(apcm->substream->runtime->rate,
+ (atc->rsr * atc->msr));
+ src = apcm->src;
+ src->ops->set_pitch(src, pitch);
+ src->ops->set_rom(src, select_rom(pitch));
+ src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
+ atc->card));
+ src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
+
+ /* Get AMIXER resource */
+ n_amixer = (n_amixer < 2) ? 2 : n_amixer;
+ apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
+ if (!apcm->amixers) {
+ err = -ENOMEM;
+ goto error1;
+ }
+ mix_dsc.msr = atc->msr;
+ for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
+ err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
+ (struct amixer **)&apcm->amixers[i]);
+ if (err)
+ goto error1;
+
+ apcm->n_amixer++;
+ }
+
+ /* Set up device virtual mem map */
+ err = ct_map_audio_buffer(atc, apcm);
+ if (err < 0)
+ goto error1;
+
+ /* Connect resources */
+ src = apcm->src;
+ for (i = 0; i < n_amixer; i++) {
+ amixer = apcm->amixers[i];
+ mutex_lock(&atc->atc_mutex);
+ amixer->ops->setup(amixer, &src->rsc,
+ INIT_VOL, atc->pcm[i+device*2]);
+ mutex_unlock(&atc->atc_mutex);
+ src = src->ops->next_interleave(src);
+ if (!src)
+ src = apcm->src;
+ }
+
+ ct_timer_prepare(apcm->timer);
+
+ return 0;
+
+error1:
+ atc_pcm_release_resources(atc, apcm);
+ return err;
+}
+
+static int
+atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
+ struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
+ struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
+ struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
+ struct srcimp *srcimp;
+ int i;
+
+ if (apcm->srcimps) {
+ for (i = 0; i < apcm->n_srcimp; i++) {
+ srcimp = apcm->srcimps[i];
+ srcimp->ops->unmap(srcimp);
+ srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
+ apcm->srcimps[i] = NULL;
+ }
+ kfree(apcm->srcimps);
+ apcm->srcimps = NULL;
+ }
+
+ if (apcm->srccs) {
+ for (i = 0; i < apcm->n_srcc; i++) {
+ src_mgr->put_src(src_mgr, apcm->srccs[i]);
+ apcm->srccs[i] = NULL;
+ }
+ kfree(apcm->srccs);
+ apcm->srccs = NULL;
+ }
+
+ if (apcm->amixers) {
+ for (i = 0; i < apcm->n_amixer; i++) {
+ amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
+ apcm->amixers[i] = NULL;
+ }
+ kfree(apcm->amixers);
+ apcm->amixers = NULL;
+ }
+
+ if (apcm->mono) {
+ sum_mgr->put_sum(sum_mgr, apcm->mono);
+ apcm->mono = NULL;
+ }
+
+ if (apcm->src) {
+ src_mgr->put_src(src_mgr, apcm->src);
+ apcm->src = NULL;
+ }
+
+ if (apcm->vm_block) {
+ /* Undo device virtual mem map */
+ ct_unmap_audio_buffer(atc, apcm);
+ apcm->vm_block = NULL;
+ }
+
+ return 0;
+}
+
+static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ unsigned int max_cisz;
+ struct src *src = apcm->src;
+
+ if (apcm->started)
+ return 0;
+ apcm->started = 1;
+
+ max_cisz = src->multi * src->rsc.msr;
+ max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
+
+ src->ops->set_sa(src, apcm->vm_block->addr);
+ src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
+ src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
+ src->ops->set_cisz(src, max_cisz);
+
+ src->ops->set_bm(src, 1);
+ src->ops->set_state(src, SRC_STATE_INIT);
+ src->ops->commit_write(src);
+
+ ct_timer_start(apcm->timer);
+ return 0;
+}
+
+static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src;
+ int i;
+
+ ct_timer_stop(apcm->timer);
+
+ src = apcm->src;
+ src->ops->set_bm(src, 0);
+ src->ops->set_state(src, SRC_STATE_OFF);
+ src->ops->commit_write(src);
+
+ if (apcm->srccs) {
+ for (i = 0; i < apcm->n_srcc; i++) {
+ src = apcm->srccs[i];
+ src->ops->set_bm(src, 0);
+ src->ops->set_state(src, SRC_STATE_OFF);
+ src->ops->commit_write(src);
+ }
+ }
+
+ apcm->started = 0;
+
+ return 0;
+}
+
+static int
+atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src = apcm->src;
+ u32 size, max_cisz;
+ int position;
+
+ if (!src)
+ return 0;
+ position = src->ops->get_ca(src);
+
+ if (position < apcm->vm_block->addr) {
+ dev_dbg(atc->card->dev,
+ "bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
+ position, apcm->vm_block->addr, apcm->vm_block->size);
+ position = apcm->vm_block->addr;
+ }
+
+ size = apcm->vm_block->size;
+ max_cisz = src->multi * src->rsc.msr;
+ max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
+
+ return (position + size - max_cisz - apcm->vm_block->addr) % size;
+}
+
+struct src_node_conf_t {
+ unsigned int pitch;
+ unsigned int msr:8;
+ unsigned int mix_msr:8;
+ unsigned int imp_msr:8;
+ unsigned int vo:1;
+};
+
+static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
+ struct src_node_conf_t *conf, int *n_srcc)
+{
+ unsigned int pitch;
+
+ /* get pitch and convert to fixed-point 8.24 format. */
+ pitch = atc_get_pitch((atc->rsr * atc->msr),
+ apcm->substream->runtime->rate);
+ *n_srcc = 0;
+
+ if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
+ *n_srcc = apcm->substream->runtime->channels;
+ conf[0].pitch = pitch;
+ conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
+ conf[0].vo = 1;
+ } else if (2 <= atc->msr) {
+ if (0x8000000 < pitch) {
+ /* Need two-stage SRCs, SRCIMPs and
+ * AMIXERs for converting format */
+ conf[0].pitch = (atc->msr << 24);
+ conf[0].msr = conf[0].mix_msr = 1;
+ conf[0].imp_msr = atc->msr;
+ conf[0].vo = 0;
+ conf[1].pitch = atc_get_pitch(atc->rsr,
+ apcm->substream->runtime->rate);
+ conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
+ conf[1].vo = 1;
+ *n_srcc = apcm->substream->runtime->channels * 2;
+ } else if (0x1000000 < pitch) {
+ /* Need one-stage SRCs, SRCIMPs and
+ * AMIXERs for converting format */
+ conf[0].pitch = pitch;
+ conf[0].msr = conf[0].mix_msr
+ = conf[0].imp_msr = atc->msr;
+ conf[0].vo = 1;
+ *n_srcc = apcm->substream->runtime->channels;
+ }
+ }
+}
+
+static int
+atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
+ struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
+ struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
+ struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
+ struct src_desc src_dsc = {0};
+ struct src *src;
+ struct srcimp_desc srcimp_dsc = {0};
+ struct srcimp *srcimp;
+ struct amixer_desc mix_dsc = {0};
+ struct sum_desc sum_dsc = {0};
+ unsigned int pitch;
+ int multi, err, i;
+ int n_srcimp, n_amixer, n_srcc, n_sum;
+ struct src_node_conf_t src_node_conf[2] = {{0} };
+
+ /* first release old resources */
+ atc_pcm_release_resources(atc, apcm);
+
+ /* The numbers of converting SRCs and SRCIMPs should be determined
+ * by pitch value. */
+
+ multi = apcm->substream->runtime->channels;
+
+ /* get pitch and convert to fixed-point 8.24 format. */
+ pitch = atc_get_pitch((atc->rsr * atc->msr),
+ apcm->substream->runtime->rate);
+
+ setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
+ n_sum = (1 == multi) ? 1 : 0;
+ n_amixer = n_sum * 2 + n_srcc;
+ n_srcimp = n_srcc;
+ if ((multi > 1) && (0x8000000 >= pitch)) {
+ /* Need extra AMIXERs and SRCIMPs for special treatment
+ * of interleaved recording of conjugate channels */
+ n_amixer += multi * atc->msr;
+ n_srcimp += multi * atc->msr;
+ } else {
+ n_srcimp += multi;
+ }
+
+ if (n_srcc) {
+ apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
+ if (!apcm->srccs)
+ return -ENOMEM;
+ }
+ if (n_amixer) {
+ apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
+ if (!apcm->amixers) {
+ err = -ENOMEM;
+ goto error1;
+ }
+ }
+ apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
+ if (!apcm->srcimps) {
+ err = -ENOMEM;
+ goto error1;
+ }
+
+ /* Allocate SRCs for sample rate conversion if needed */
+ src_dsc.multi = 1;
+ src_dsc.mode = ARCRW;
+ for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
+ src_dsc.msr = src_node_conf[i/multi].msr;
+ err = src_mgr->get_src(src_mgr, &src_dsc,
+ (struct src **)&apcm->srccs[i]);
+ if (err)
+ goto error1;
+
+ src = apcm->srccs[i];
+ pitch = src_node_conf[i/multi].pitch;
+ src->ops->set_pitch(src, pitch);
+ src->ops->set_rom(src, select_rom(pitch));
+ src->ops->set_vo(src, src_node_conf[i/multi].vo);
+
+ apcm->n_srcc++;
+ }
+
+ /* Allocate AMIXERs for routing SRCs of conversion if needed */
+ for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
+ if (i < (n_sum*2))
+ mix_dsc.msr = atc->msr;
+ else if (i < (n_sum*2+n_srcc))
+ mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
+ else
+ mix_dsc.msr = 1;
+
+ err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
+ (struct amixer **)&apcm->amixers[i]);
+ if (err)
+ goto error1;
+
+ apcm->n_amixer++;
+ }
+
+ /* Allocate a SUM resource to mix all input channels together */
+ sum_dsc.msr = atc->msr;
+ err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
+ if (err)
+ goto error1;
+
+ pitch = atc_get_pitch((atc->rsr * atc->msr),
+ apcm->substream->runtime->rate);
+ /* Allocate SRCIMP resources */
+ for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
+ if (i < (n_srcc))
+ srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
+ else if (1 == multi)
+ srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
+ else
+ srcimp_dsc.msr = 1;
+
+ err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
+ if (err)
+ goto error1;
+
+ apcm->srcimps[i] = srcimp;
+ apcm->n_srcimp++;
+ }
+
+ /* Allocate a SRC for writing data to host memory */
+ src_dsc.multi = apcm->substream->runtime->channels;
+ src_dsc.msr = 1;
+ src_dsc.mode = MEMWR;
+ err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
+ if (err)
+ goto error1;
+
+ src = apcm->src;
+ src->ops->set_pitch(src, pitch);
+
+ /* Set up device virtual mem map */
+ err = ct_map_audio_buffer(atc, apcm);
+ if (err < 0)
+ goto error1;
+
+ return 0;
+
+error1:
+ atc_pcm_release_resources(atc, apcm);
+ return err;
+}
+
+static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src;
+ struct amixer *amixer;
+ struct srcimp *srcimp;
+ struct ct_mixer *mixer = atc->mixer;
+ struct sum *mono;
+ struct rsc *out_ports[8] = {NULL};
+ int err, i, j, n_sum, multi;
+ unsigned int pitch;
+ int mix_base = 0, imp_base = 0;
+
+ atc_pcm_release_resources(atc, apcm);
+
+ /* Get needed resources. */
+ err = atc_pcm_capture_get_resources(atc, apcm);
+ if (err)
+ return err;
+
+ /* Connect resources */
+ mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
+ &out_ports[0], &out_ports[1]);
+
+ multi = apcm->substream->runtime->channels;
+ if (1 == multi) {
+ mono = apcm->mono;
+ for (i = 0; i < 2; i++) {
+ amixer = apcm->amixers[i];
+ amixer->ops->setup(amixer, out_ports[i],
+ MONO_SUM_SCALE, mono);
+ }
+ out_ports[0] = &mono->rsc;
+ n_sum = 1;
+ mix_base = n_sum * 2;
+ }
+
+ for (i = 0; i < apcm->n_srcc; i++) {
+ src = apcm->srccs[i];
+ srcimp = apcm->srcimps[imp_base+i];
+ amixer = apcm->amixers[mix_base+i];
+ srcimp->ops->map(srcimp, src, out_ports[i%multi]);
+ amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
+ out_ports[i%multi] = &amixer->rsc;
+ }
+
+ pitch = atc_get_pitch((atc->rsr * atc->msr),
+ apcm->substream->runtime->rate);
+
+ if ((multi > 1) && (pitch <= 0x8000000)) {
+ /* Special connection for interleaved
+ * recording with conjugate channels */
+ for (i = 0; i < multi; i++) {
+ out_ports[i]->ops->master(out_ports[i]);
+ for (j = 0; j < atc->msr; j++) {
+ amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
+ amixer->ops->set_input(amixer, out_ports[i]);
+ amixer->ops->set_scale(amixer, INIT_VOL);
+ amixer->ops->set_sum(amixer, NULL);
+ amixer->ops->commit_raw_write(amixer);
+ out_ports[i]->ops->next_conj(out_ports[i]);
+
+ srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
+ srcimp->ops->map(srcimp, apcm->src,
+ &amixer->rsc);
+ }
+ }
+ } else {
+ for (i = 0; i < multi; i++) {
+ srcimp = apcm->srcimps[apcm->n_srcc+i];
+ srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
+ }
+ }
+
+ ct_timer_prepare(apcm->timer);
+
+ return 0;
+}
+
+static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src;
+ struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
+ int i, multi;
+
+ if (apcm->started)
+ return 0;
+
+ apcm->started = 1;
+ multi = apcm->substream->runtime->channels;
+ /* Set up converting SRCs */
+ for (i = 0; i < apcm->n_srcc; i++) {
+ src = apcm->srccs[i];
+ src->ops->set_pm(src, ((i%multi) != (multi-1)));
+ src_mgr->src_disable(src_mgr, src);
+ }
+
+ /* Set up recording SRC */
+ src = apcm->src;
+ src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
+ atc->card));
+ src->ops->set_sa(src, apcm->vm_block->addr);
+ src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
+ src->ops->set_ca(src, apcm->vm_block->addr);
+ src_mgr->src_disable(src_mgr, src);
+
+ /* Disable relevant SRCs firstly */
+ src_mgr->commit_write(src_mgr);
+
+ /* Enable SRCs respectively */
+ for (i = 0; i < apcm->n_srcc; i++) {
+ src = apcm->srccs[i];
+ src->ops->set_state(src, SRC_STATE_RUN);
+ src->ops->commit_write(src);
+ src_mgr->src_enable_s(src_mgr, src);
+ }
+ src = apcm->src;
+ src->ops->set_bm(src, 1);
+ src->ops->set_state(src, SRC_STATE_RUN);
+ src->ops->commit_write(src);
+ src_mgr->src_enable_s(src_mgr, src);
+
+ /* Enable relevant SRCs synchronously */
+ src_mgr->commit_write(src_mgr);
+
+ ct_timer_start(apcm->timer);
+ return 0;
+}
+
+static int
+atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src = apcm->src;
+
+ if (!src)
+ return 0;
+ return src->ops->get_ca(src) - apcm->vm_block->addr;
+}
+
+static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
+ struct ct_atc_pcm *apcm)
+{
+ struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
+ struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
+ struct src_desc desc = {0};
+ struct amixer_desc mix_dsc = {0};
+ struct src *src;
+ int err;
+ int n_amixer = apcm->substream->runtime->channels, i;
+ unsigned int pitch, rsr = atc->pll_rate;
+
+ /* first release old resources */
+ atc_pcm_release_resources(atc, apcm);
+
+ /* Get SRC resource */
+ desc.multi = apcm->substream->runtime->channels;
+ desc.msr = 1;
+ while (apcm->substream->runtime->rate > (rsr * desc.msr))
+ desc.msr <<= 1;
+
+ desc.mode = MEMRD;
+ err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
+ if (err)
+ goto error1;
+
+ pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
+ src = apcm->src;
+ src->ops->set_pitch(src, pitch);
+ src->ops->set_rom(src, select_rom(pitch));
+ src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
+ atc->card));
+ src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
+ src->ops->set_bp(src, 1);
+
+ /* Get AMIXER resource */
+ n_amixer = (n_amixer < 2) ? 2 : n_amixer;
+ apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
+ if (!apcm->amixers) {
+ err = -ENOMEM;
+ goto error1;
+ }
+ mix_dsc.msr = desc.msr;
+ for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
+ err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
+ (struct amixer **)&apcm->amixers[i]);
+ if (err)
+ goto error1;
+
+ apcm->n_amixer++;
+ }
+
+ /* Set up device virtual mem map */
+ err = ct_map_audio_buffer(atc, apcm);
+ if (err < 0)
+ goto error1;
+
+ return 0;
+
+error1:
+ atc_pcm_release_resources(atc, apcm);
+ return err;
+}
+
+static int atc_pll_init(struct ct_atc *atc, int rate)
+{
+ struct hw *hw = atc->hw;
+ int err;
+ err = hw->pll_init(hw, rate);
+ atc->pll_rate = err ? 0 : rate;
+ return err;
+}
+
+static int
+spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
+ unsigned int rate = apcm->substream->runtime->rate;
+ unsigned int status;
+ int err = 0;
+ unsigned char iec958_con_fs;
+
+ switch (rate) {
+ case 48000:
+ iec958_con_fs = IEC958_AES3_CON_FS_48000;
+ break;
+ case 44100:
+ iec958_con_fs = IEC958_AES3_CON_FS_44100;
+ break;
+ case 32000:
+ iec958_con_fs = IEC958_AES3_CON_FS_32000;
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ mutex_lock(&atc->atc_mutex);
+ dao->ops->get_spos(dao, &status);
+ if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
+ status &= ~(IEC958_AES3_CON_FS << 24);
+ status |= (iec958_con_fs << 24);
+ dao->ops->set_spos(dao, status);
+ dao->ops->commit_write(dao);
+ }
+ if ((rate != atc->pll_rate) && (32000 != rate))
+ err = atc_pll_init(atc, rate);
+ mutex_unlock(&atc->atc_mutex);
+
+ return err;
+}
+
+static int
+spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
+{
+ struct src *src;
+ struct amixer *amixer;
+ struct dao *dao;
+ int err;
+ int i;
+
+ atc_pcm_release_resources(atc, apcm);
+
+ /* Configure SPDIFOO and PLL to passthrough mode;
+ * determine pll_rate. */
+ err = spdif_passthru_playback_setup(atc, apcm);
+ if (err)
+ return err;
+
+ /* Get needed resources. */
+ err = spdif_passthru_playback_get_resources(atc, apcm);
+ if (err)
+ return err;
+
+ /* Connect resources */
+ src = apcm->src;
+ for (i = 0; i < apcm->n_amixer; i++) {
+ amixer = apcm->amixers[i];
+ amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
+ src = src->ops->next_interleave(src);
+ if (!src)
+ src = apcm->src;
+ }
+ /* Connect to SPDIFOO */
+ mutex_lock(&atc->atc_mutex);
+ dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
+ amixer = apcm->amixers[0];
+ dao->ops->set_left_input(dao, &amixer->rsc);
+ amixer = apcm->amixers[1];
+ dao->ops->set_right_input(dao, &amixer->rsc);
+ mutex_unlock(&atc->atc_mutex);
+
+ ct_timer_prepare(apcm->timer);
+
+ return 0;
+}
+
+static int atc_select_line_in(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+ struct ct_mixer *mixer = atc->mixer;
+ struct src *src;
+
+ if (hw->is_adc_source_selected(hw, ADC_LINEIN))
+ return 0;
+
+ mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
+ mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
+
+ hw->select_adc_source(hw, ADC_LINEIN);
+
+ src = atc->srcs[2];
+ mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
+ src = atc->srcs[3];
+ mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
+
+ return 0;
+}
+
+static int atc_select_mic_in(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+ struct ct_mixer *mixer = atc->mixer;
+ struct src *src;
+
+ if (hw->is_adc_source_selected(hw, ADC_MICIN))
+ return 0;
+
+ mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
+ mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
+
+ hw->select_adc_source(hw, ADC_MICIN);
+
+ src = atc->srcs[2];
+ mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
+ src = atc->srcs[3];
+ mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
+
+ return 0;
+}
+
+static struct capabilities atc_capabilities(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+
+ return hw->capabilities(hw);
+}
+
+static int atc_output_switch_get(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+
+ return hw->output_switch_get(hw);
+}
+
+static int atc_output_switch_put(struct ct_atc *atc, int position)
+{
+ struct hw *hw = atc->hw;
+
+ return hw->output_switch_put(hw, position);
+}
+
+static int atc_mic_source_switch_get(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+
+ return hw->mic_source_switch_get(hw);
+}
+
+static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
+{
+ struct hw *hw = atc->hw;
+
+ return hw->mic_source_switch_put(hw, position);
+}
+
+static int atc_select_digit_io(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+
+ if (hw->is_adc_source_selected(hw, ADC_NONE))
+ return 0;
+
+ hw->select_adc_source(hw, ADC_NONE);
+
+ return 0;
+}
+
+static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
+{
+ struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
+
+ if (state)
+ daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
+ else
+ daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
+
+ daio_mgr->commit_write(daio_mgr);
+
+ return 0;
+}
+
+static int
+atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
+{
+ struct dao *dao = container_of(atc->daios[type], struct dao, daio);
+ return dao->ops->get_spos(dao, status);
+}
+
+static int
+atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
+{
+ struct dao *dao = container_of(atc->daios[type], struct dao, daio);
+
+ dao->ops->set_spos(dao, status);
+ dao->ops->commit_write(dao);
+ return 0;
+}
+
+static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, LINEO1);
+}
+
+static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, LINEO2);
+}
+
+static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, LINEO3);
+}
+
+static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, LINEO4);
+}
+
+static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, LINEIM);
+}
+
+static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, MIC);
+}
+
+static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, SPDIFOO);
+}
+
+static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
+{
+ return atc_daio_unmute(atc, state, SPDIFIO);
+}
+
+static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
+{
+ return atc_dao_get_status(atc, status, SPDIFOO);
+}
+
+static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
+{
+ return atc_dao_set_status(atc, status, SPDIFOO);
+}
+
+static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
+{
+ struct dao_desc da_dsc = {0};
+ struct dao *dao;
+ int err;
+ struct ct_mixer *mixer = atc->mixer;
+ struct rsc *rscs[2] = {NULL};
+ unsigned int spos = 0;
+
+ mutex_lock(&atc->atc_mutex);
+ dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
+ da_dsc.msr = state ? 1 : atc->msr;
+ da_dsc.passthru = state ? 1 : 0;
+ err = dao->ops->reinit(dao, &da_dsc);
+ if (state) {
+ spos = IEC958_DEFAULT_CON;
+ } else {
+ mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
+ &rscs[0], &rscs[1]);
+ dao->ops->set_left_input(dao, rscs[0]);
+ dao->ops->set_right_input(dao, rscs[1]);
+ /* Restore PLL to atc->rsr if needed. */
+ if (atc->pll_rate != atc->rsr)
+ err = atc_pll_init(atc, atc->rsr);
+ }
+ dao->ops->set_spos(dao, spos);
+ dao->ops->commit_write(dao);
+ mutex_unlock(&atc->atc_mutex);
+
+ return err;
+}
+
+static int atc_release_resources(struct ct_atc *atc)
+{
+ int i;
+ struct daio_mgr *daio_mgr = NULL;
+ struct dao *dao = NULL;
+ struct daio *daio = NULL;
+ struct sum_mgr *sum_mgr = NULL;
+ struct src_mgr *src_mgr = NULL;
+ struct srcimp_mgr *srcimp_mgr = NULL;
+ struct srcimp *srcimp = NULL;
+ struct ct_mixer *mixer = NULL;
+
+ /* disconnect internal mixer objects */
+ if (atc->mixer) {
+ mixer = atc->mixer;
+ mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
+ mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
+ mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
+ mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
+ mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
+ mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
+ }
+
+ if (atc->daios) {
+ daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
+ for (i = 0; i < atc->n_daio; i++) {
+ daio = atc->daios[i];
+ if (daio->type < LINEIM) {
+ dao = container_of(daio, struct dao, daio);
+ dao->ops->clear_left_input(dao);
+ dao->ops->clear_right_input(dao);
+ }
+ daio_mgr->put_daio(daio_mgr, daio);
+ }
+ kfree(atc->daios);
+ atc->daios = NULL;
+ }
+
+ if (atc->pcm) {
+ sum_mgr = atc->rsc_mgrs[SUM];
+ for (i = 0; i < atc->n_pcm; i++)
+ sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
+
+ kfree(atc->pcm);
+ atc->pcm = NULL;
+ }
+
+ if (atc->srcs) {
+ src_mgr = atc->rsc_mgrs[SRC];
+ for (i = 0; i < atc->n_src; i++)
+ src_mgr->put_src(src_mgr, atc->srcs[i]);
+
+ kfree(atc->srcs);
+ atc->srcs = NULL;
+ }
+
+ if (atc->srcimps) {
+ srcimp_mgr = atc->rsc_mgrs[SRCIMP];
+ for (i = 0; i < atc->n_srcimp; i++) {
+ srcimp = atc->srcimps[i];
+ srcimp->ops->unmap(srcimp);
+ srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
+ }
+ kfree(atc->srcimps);
+ atc->srcimps = NULL;
+ }
+
+ return 0;
+}
+
+static int ct_atc_destroy(struct ct_atc *atc)
+{
+ int i = 0;
+
+ if (!atc)
+ return 0;
+
+ if (atc->timer) {
+ ct_timer_free(atc->timer);
+ atc->timer = NULL;
+ }
+
+ atc_release_resources(atc);
+
+ /* Destroy internal mixer objects */
+ if (atc->mixer)
+ ct_mixer_destroy(atc->mixer);
+
+ for (i = 0; i < NUM_RSCTYP; i++) {
+ if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
+ rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
+
+ }
+
+ if (atc->hw)
+ destroy_hw_obj(atc->hw);
+
+ /* Destroy device virtual memory manager object */
+ if (atc->vm) {
+ ct_vm_destroy(atc->vm);
+ atc->vm = NULL;
+ }
+
+ kfree(atc);
+
+ return 0;
+}
+
+static int atc_dev_free(struct snd_device *dev)
+{
+ struct ct_atc *atc = dev->device_data;
+ return ct_atc_destroy(atc);
+}
+
+static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
+{
+ const struct snd_pci_quirk *p;
+ const struct snd_pci_quirk *list;
+ u16 vendor_id, device_id;
+
+ switch (atc->chip_type) {
+ case ATC20K1:
+ atc->chip_name = "20K1";
+ list = subsys_20k1_list;
+ break;
+ case ATC20K2:
+ atc->chip_name = "20K2";
+ list = subsys_20k2_list;
+ break;
+ default:
+ return -ENOENT;
+ }
+ if (ssid) {
+ vendor_id = ssid >> 16;
+ device_id = ssid & 0xffff;
+ } else {
+ vendor_id = atc->pci->subsystem_vendor;
+ device_id = atc->pci->subsystem_device;
+ }
+ p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
+ if (p) {
+ if (p->value < 0) {
+ dev_err(atc->card->dev,
+ "Device %04x:%04x is black-listed\n",
+ vendor_id, device_id);
+ return -ENOENT;
+ }
+ atc->model = p->value;
+ } else {
+ if (atc->chip_type == ATC20K1)
+ atc->model = CT20K1_UNKNOWN;
+ else
+ atc->model = CT20K2_UNKNOWN;
+ }
+ atc->model_name = ct_subsys_name[atc->model];
+ dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
+ atc->chip_name, atc->model_name,
+ vendor_id, device_id);
+ return 0;
+}
+
+int ct_atc_create_alsa_devs(struct ct_atc *atc)
+{
+ enum CTALSADEVS i;
+ int err;
+
+ alsa_dev_funcs[MIXER].public_name = atc->chip_name;
+
+ for (i = 0; i < NUM_CTALSADEVS; i++) {
+ if (!alsa_dev_funcs[i].create)
+ continue;
+
+ err = alsa_dev_funcs[i].create(atc, i,
+ alsa_dev_funcs[i].public_name);
+ if (err) {
+ dev_err(atc->card->dev,
+ "Creating alsa device %d failed!\n", i);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int atc_create_hw_devs(struct ct_atc *atc)
+{
+ struct hw *hw;
+ struct card_conf info = {0};
+ int i, err;
+
+ err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
+ if (err) {
+ dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
+ return err;
+ }
+ hw->card = atc->card;
+ atc->hw = hw;
+
+ /* Initialize card hardware. */
+ info.rsr = atc->rsr;
+ info.msr = atc->msr;
+ info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
+ err = hw->card_init(hw, &info);
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < NUM_RSCTYP; i++) {
+ if (!rsc_mgr_funcs[i].create)
+ continue;
+
+ err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
+ if (err) {
+ dev_err(atc->card->dev,
+ "Failed to create rsc_mgr %d!!!\n", i);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int atc_get_resources(struct ct_atc *atc)
+{
+ struct daio_desc da_desc = {0};
+ struct daio_mgr *daio_mgr;
+ struct src_desc src_dsc = {0};
+ struct src_mgr *src_mgr;
+ struct srcimp_desc srcimp_dsc = {0};
+ struct srcimp_mgr *srcimp_mgr;
+ struct sum_desc sum_dsc = {0};
+ struct sum_mgr *sum_mgr;
+ int err, i, num_srcs, num_daios;
+
+ num_daios = ((atc->model == CTSB1270) ? 8 : 7);
+ num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
+
+ atc->daios = kzalloc(sizeof(void *)*num_daios, GFP_KERNEL);
+ if (!atc->daios)
+ return -ENOMEM;
+
+ atc->srcs = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
+ if (!atc->srcs)
+ return -ENOMEM;
+
+ atc->srcimps = kzalloc(sizeof(void *)*num_srcs, GFP_KERNEL);
+ if (!atc->srcimps)
+ return -ENOMEM;
+
+ atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
+ if (!atc->pcm)
+ return -ENOMEM;
+
+ daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
+ da_desc.msr = atc->msr;
+ for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
+ da_desc.type = (atc->model != CTSB073X) ? i :
+ ((i == SPDIFIO) ? SPDIFI1 : i);
+ err = daio_mgr->get_daio(daio_mgr, &da_desc,
+ (struct daio **)&atc->daios[i]);
+ if (err) {
+ dev_err(atc->card->dev,
+ "Failed to get DAIO resource %d!!!\n",
+ i);
+ return err;
+ }
+ atc->n_daio++;
+ }
+
+ src_mgr = atc->rsc_mgrs[SRC];
+ src_dsc.multi = 1;
+ src_dsc.msr = atc->msr;
+ src_dsc.mode = ARCRW;
+ for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
+ err = src_mgr->get_src(src_mgr, &src_dsc,
+ (struct src **)&atc->srcs[i]);
+ if (err)
+ return err;
+
+ atc->n_src++;
+ }
+
+ srcimp_mgr = atc->rsc_mgrs[SRCIMP];
+ srcimp_dsc.msr = 8;
+ for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
+ err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
+ (struct srcimp **)&atc->srcimps[i]);
+ if (err)
+ return err;
+
+ atc->n_srcimp++;
+ }
+
+ sum_mgr = atc->rsc_mgrs[SUM];
+ sum_dsc.msr = atc->msr;
+ for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
+ err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
+ (struct sum **)&atc->pcm[i]);
+ if (err)
+ return err;
+
+ atc->n_pcm++;
+ }
+
+ return 0;
+}
+
+static void
+atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
+ struct src **srcs, struct srcimp **srcimps)
+{
+ struct rsc *rscs[2] = {NULL};
+ struct src *src;
+ struct srcimp *srcimp;
+ int i = 0;
+
+ rscs[0] = &dai->daio.rscl;
+ rscs[1] = &dai->daio.rscr;
+ for (i = 0; i < 2; i++) {
+ src = srcs[i];
+ srcimp = srcimps[i];
+ srcimp->ops->map(srcimp, src, rscs[i]);
+ src_mgr->src_disable(src_mgr, src);
+ }
+
+ src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
+
+ src = srcs[0];
+ src->ops->set_pm(src, 1);
+ for (i = 0; i < 2; i++) {
+ src = srcs[i];
+ src->ops->set_state(src, SRC_STATE_RUN);
+ src->ops->commit_write(src);
+ src_mgr->src_enable_s(src_mgr, src);
+ }
+
+ dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
+ dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
+
+ dai->ops->set_enb_src(dai, 1);
+ dai->ops->set_enb_srt(dai, 1);
+ dai->ops->commit_write(dai);
+
+ src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
+}
+
+static void atc_connect_resources(struct ct_atc *atc)
+{
+ struct dai *dai;
+ struct dao *dao;
+ struct src *src;
+ struct sum *sum;
+ struct ct_mixer *mixer;
+ struct rsc *rscs[2] = {NULL};
+ int i, j;
+
+ mixer = atc->mixer;
+
+ for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
+ mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
+ dao = container_of(atc->daios[j], struct dao, daio);
+ dao->ops->set_left_input(dao, rscs[0]);
+ dao->ops->set_right_input(dao, rscs[1]);
+ }
+
+ dai = container_of(atc->daios[LINEIM], struct dai, daio);
+ atc_connect_dai(atc->rsc_mgrs[SRC], dai,
+ (struct src **)&atc->srcs[2],
+ (struct srcimp **)&atc->srcimps[2]);
+ src = atc->srcs[2];
+ mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
+ src = atc->srcs[3];
+ mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
+
+ if (atc->model == CTSB1270) {
+ /* Titanium HD has a dedicated ADC for the Mic. */
+ dai = container_of(atc->daios[MIC], struct dai, daio);
+ atc_connect_dai(atc->rsc_mgrs[SRC], dai,
+ (struct src **)&atc->srcs[4],
+ (struct srcimp **)&atc->srcimps[4]);
+ src = atc->srcs[4];
+ mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
+ src = atc->srcs[5];
+ mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
+ }
+
+ dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
+ atc_connect_dai(atc->rsc_mgrs[SRC], dai,
+ (struct src **)&atc->srcs[0],
+ (struct srcimp **)&atc->srcimps[0]);
+
+ src = atc->srcs[0];
+ mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
+ src = atc->srcs[1];
+ mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
+
+ for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
+ sum = atc->pcm[j];
+ mixer->set_input_left(mixer, i, &sum->rsc);
+ sum = atc->pcm[j+1];
+ mixer->set_input_right(mixer, i, &sum->rsc);
+ }
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int atc_suspend(struct ct_atc *atc)
+{
+ int i;
+ struct hw *hw = atc->hw;
+
+ snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
+
+ for (i = FRONT; i < NUM_PCMS; i++) {
+ if (!atc->pcms[i])
+ continue;
+
+ snd_pcm_suspend_all(atc->pcms[i]);
+ }
+
+ atc_release_resources(atc);
+
+ hw->suspend(hw);
+
+ return 0;
+}
+
+static int atc_hw_resume(struct ct_atc *atc)
+{
+ struct hw *hw = atc->hw;
+ struct card_conf info = {0};
+
+ /* Re-initialize card hardware. */
+ info.rsr = atc->rsr;
+ info.msr = atc->msr;
+ info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
+ return hw->resume(hw, &info);
+}
+
+static int atc_resources_resume(struct ct_atc *atc)
+{
+ struct ct_mixer *mixer;
+ int err = 0;
+
+ /* Get resources */
+ err = atc_get_resources(atc);
+ if (err < 0) {
+ atc_release_resources(atc);
+ return err;
+ }
+
+ /* Build topology */
+ atc_connect_resources(atc);
+
+ mixer = atc->mixer;
+ mixer->resume(mixer);
+
+ return 0;
+}
+
+static int atc_resume(struct ct_atc *atc)
+{
+ int err = 0;
+
+ /* Do hardware resume. */
+ err = atc_hw_resume(atc);
+ if (err < 0) {
+ dev_err(atc->card->dev,
+ "pci_enable_device failed, disabling device\n");
+ snd_card_disconnect(atc->card);
+ return err;
+ }
+
+ err = atc_resources_resume(atc);
+ if (err < 0)
+ return err;
+
+ snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
+
+ return 0;
+}
+#endif
+
+static struct ct_atc atc_preset = {
+ .map_audio_buffer = ct_map_audio_buffer,
+ .unmap_audio_buffer = ct_unmap_audio_buffer,
+ .pcm_playback_prepare = atc_pcm_playback_prepare,
+ .pcm_release_resources = atc_pcm_release_resources,
+ .pcm_playback_start = atc_pcm_playback_start,
+ .pcm_playback_stop = atc_pcm_stop,
+ .pcm_playback_position = atc_pcm_playback_position,
+ .pcm_capture_prepare = atc_pcm_capture_prepare,
+ .pcm_capture_start = atc_pcm_capture_start,
+ .pcm_capture_stop = atc_pcm_stop,
+ .pcm_capture_position = atc_pcm_capture_position,
+ .spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
+ .get_ptp_phys = atc_get_ptp_phys,
+ .select_line_in = atc_select_line_in,
+ .select_mic_in = atc_select_mic_in,
+ .select_digit_io = atc_select_digit_io,
+ .line_front_unmute = atc_line_front_unmute,
+ .line_surround_unmute = atc_line_surround_unmute,
+ .line_clfe_unmute = atc_line_clfe_unmute,
+ .line_rear_unmute = atc_line_rear_unmute,
+ .line_in_unmute = atc_line_in_unmute,
+ .mic_unmute = atc_mic_unmute,
+ .spdif_out_unmute = atc_spdif_out_unmute,
+ .spdif_in_unmute = atc_spdif_in_unmute,
+ .spdif_out_get_status = atc_spdif_out_get_status,
+ .spdif_out_set_status = atc_spdif_out_set_status,
+ .spdif_out_passthru = atc_spdif_out_passthru,
+ .capabilities = atc_capabilities,
+ .output_switch_get = atc_output_switch_get,
+ .output_switch_put = atc_output_switch_put,
+ .mic_source_switch_get = atc_mic_source_switch_get,
+ .mic_source_switch_put = atc_mic_source_switch_put,
+#ifdef CONFIG_PM_SLEEP
+ .suspend = atc_suspend,
+ .resume = atc_resume,
+#endif
+};
+
+/**
+ * ct_atc_create - create and initialize a hardware manager
+ * @card: corresponding alsa card object
+ * @pci: corresponding kernel pci device object
+ * @ratc: return created object address in it
+ *
+ * Creates and initializes a hardware manager.
+ *
+ * Creates kmallocated ct_atc structure. Initializes hardware.
+ * Returns 0 if succeeds, or negative error code if fails.
+ */
+
+int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
+ unsigned int rsr, unsigned int msr,
+ int chip_type, unsigned int ssid,
+ struct ct_atc **ratc)
+{
+ struct ct_atc *atc;
+ static struct snd_device_ops ops = {
+ .dev_free = atc_dev_free,
+ };
+ int err;
+
+ *ratc = NULL;
+
+ atc = kzalloc(sizeof(*atc), GFP_KERNEL);
+ if (!atc)
+ return -ENOMEM;
+
+ /* Set operations */
+ *atc = atc_preset;
+
+ atc->card = card;
+ atc->pci = pci;
+ atc->rsr = rsr;
+ atc->msr = msr;
+ atc->chip_type = chip_type;
+
+ mutex_init(&atc->atc_mutex);
+
+ /* Find card model */
+ err = atc_identify_card(atc, ssid);
+ if (err < 0) {
+ dev_err(card->dev, "ctatc: Card not recognised\n");
+ goto error1;
+ }
+
+ /* Set up device virtual memory management object */
+ err = ct_vm_create(&atc->vm, pci);
+ if (err < 0)
+ goto error1;
+
+ /* Create all atc hw devices */
+ err = atc_create_hw_devs(atc);
+ if (err < 0)
+ goto error1;
+
+ err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
+ if (err) {
+ dev_err(card->dev, "Failed to create mixer obj!!!\n");
+ goto error1;
+ }
+
+ /* Get resources */
+ err = atc_get_resources(atc);
+ if (err < 0)
+ goto error1;
+
+ /* Build topology */
+ atc_connect_resources(atc);
+
+ atc->timer = ct_timer_new(atc);
+ if (!atc->timer) {
+ err = -ENOMEM;
+ goto error1;
+ }
+
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
+ if (err < 0)
+ goto error1;
+
+ *ratc = atc;
+ return 0;
+
+error1:
+ ct_atc_destroy(atc);
+ dev_err(card->dev, "Something wrong!!!\n");
+ return err;
+}
Code Review / kvmfornfv.git / blobdiff