diff options
Diffstat (limited to 'sound/pci/ctxfi/ctatc.c')
| -rw-r--r-- | sound/pci/ctxfi/ctatc.c | 1605 |
1 files changed, 1605 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c new file mode 100644 index 000000000000..5f35374863fb --- /dev/null +++ b/sound/pci/ctxfi/ctatc.c @@ -0,0 +1,1605 @@ +/** + * 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 "ctdrv.h" +#include "cthardware.h" +#include "ctsrc.h" +#include "ctamixer.h" +#include "ctdaio.h" +#include <linux/delay.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 DAIONUM 7 +#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 const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = { + [CTSB0760] = {.subsys = PCI_SUBSYS_CREATIVE_SB0760, + .nm_model = "SB076x"}, + [CTHENDRIX] = {.subsys = PCI_SUBSYS_CREATIVE_HENDRIX, + .nm_model = "Hendrix"}, + [CTSB08801] = {.subsys = PCI_SUBSYS_CREATIVE_SB08801, + .nm_model = "SB0880"}, + [CTSB08802] = {.subsys = PCI_SUBSYS_CREATIVE_SB08802, + .nm_model = "SB0880"}, + [CTSB08803] = {.subsys = PCI_SUBSYS_CREATIVE_SB08803, + .nm_model = "SB0880"} +}; + +static struct ct_atc_chip_details atc_chip_details[] = { + {.vendor = PCI_VENDOR_CREATIVE, .device = PCI_DEVICE_CREATIVE_20K1, + .sub_details = NULL, + .nm_card = "X-Fi 20k1"}, + {.vendor = PCI_VENDOR_CREATIVE, .device = PCI_DEVICE_CREATIVE_20K2, + .sub_details = atc_sub_details, + .nm_card = "X-Fi 20k2"}, + {} /* terminator */ +}; + +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"}, + [REAR] = { .create = ct_alsa_pcm_create, + .destroy = NULL, + .public_name = "Rear"}, + [CLFE] = { .create = ct_alsa_pcm_create, + .destroy = NULL, + .public_name = "Center/LFE"}, + [SURROUND] = { .create = ct_alsa_pcm_create, + .destroy = NULL, + .public_name = "Surround"}, + [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)(void *, void **); +typedef int (*destroy_t)(void *); + +static struct { + int (*create)(void *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) +{ + unsigned long flags; + struct snd_pcm_runtime *runtime; + struct ct_vm *vm; + + if (NULL == apcm->substream) + return 0; + + runtime = apcm->substream->runtime; + vm = atc->vm; + + spin_lock_irqsave(&atc->vm_lock, flags); + apcm->vm_block = vm->map(vm, runtime->dma_area, runtime->dma_bytes); + spin_unlock_irqrestore(&atc->vm_lock, flags); + + if (NULL == apcm->vm_block) + return -ENOENT; + + return 0; +} + +static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm) +{ + unsigned long flags; + struct ct_vm *vm; + + if (NULL == apcm->vm_block) + return; + + vm = atc->vm; + + spin_lock_irqsave(&atc->vm_lock, flags); + vm->unmap(vm, apcm->vm_block); + spin_unlock_irqrestore(&atc->vm_lock, flags); + + apcm->vm_block = NULL; +} + +static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index) +{ + struct ct_vm *vm; + void *kvirt_addr; + unsigned long phys_addr; + unsigned long flags; + + spin_lock_irqsave(&atc->vm_lock, flags); + vm = atc->vm; + kvirt_addr = vm->get_ptp_virt(vm, index); + if (kvirt_addr == NULL) + phys_addr = (~0UL); + else + phys_addr = virt_to_phys(kvirt_addr); + + spin_unlock_irqrestore(&atc->vm_lock, flags); + + return phys_addr; +} + +static unsigned int convert_format(snd_pcm_format_t snd_format) +{ + switch (snd_format) { + case SNDRV_PCM_FORMAT_U8: + case SNDRV_PCM_FORMAT_S8: + return SRC_SF_U8; + case SNDRV_PCM_FORMAT_S16_LE: + case SNDRV_PCM_FORMAT_U16_LE: + return SRC_SF_S16; + case SNDRV_PCM_FORMAT_S24_3LE: + return SRC_SF_S24; + case SNDRV_PCM_FORMAT_S24_LE: + case SNDRV_PCM_FORMAT_S32_LE: + return SRC_SF_S32; + default: + printk(KERN_ERR "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 = 0; + int b = 0; + + /* 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 ((0x01d66666 == pitch) || (0x01d66667 == pitch)) { + /* pitch == 1.8375 */ + return 2; + } else if (0x02000000 == pitch) { + /* pitch == 2 */ + return 3; + } else if ((pitch >= 0x0) && (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 = NULL; + struct amixer *amixer = NULL; + int err = 0; + int n_amixer = apcm->substream->runtime->channels, i = 0; + int device = apcm->substream->pcm->device; + unsigned int pitch = 0; + unsigned long flags; + + if (NULL != apcm->src) { + /* Prepared pcm playback */ + return 0; + } + + /* 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)); + 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 (NULL == 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]; + spin_lock_irqsave(&atc->atc_lock, flags); + amixer->ops->setup(amixer, &src->rsc, + INIT_VOL, atc->pcm[i+device*2]); + spin_unlock_irqrestore(&atc->atc_lock, flags); + src = src->ops->next_interleave(src); + if (NULL == src) + src = apcm->src; + } + + 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 = NULL; + int i = 0; + + if (NULL != 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 (NULL != 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 (NULL != 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 (NULL != apcm->mono) { + sum_mgr->put_sum(sum_mgr, apcm->mono); + apcm->mono = NULL; + } + + if (NULL != apcm->src) { + src_mgr->put_src(src_mgr, apcm->src); + apcm->src = NULL; + } + + if (NULL != 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 = 0; + struct src *src = apcm->src; + + 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); + + return 0; +} + +static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm) +{ + struct src *src = NULL; + int i = 0; + + src = apcm->src; + src->ops->set_bm(src, 0); + src->ops->set_state(src, SRC_STATE_OFF); + src->ops->commit_write(src); + + if (NULL != 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 = 0, max_cisz = 0; + int position = 0; + + position = src->ops->get_ca(src); + + 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 = 0; + + /* 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) { + *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 = NULL; + struct srcimp_desc srcimp_dsc = {0}; + struct srcimp *srcimp = NULL; + struct amixer_desc mix_dsc = {0}; + struct sum_desc sum_dsc = {0}; + unsigned int pitch = 0; + int multi = 0, err = 0, i = 0; + int n_srcimp = 0, n_amixer = 0, n_srcc = 0, n_sum = 0; + struct src_node_conf_t src_node_conf[2] = {{0} }; + + /* 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 (NULL == apcm->srccs) + return -ENOMEM; + } + if (n_amixer) { + apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL); + if (NULL == apcm->amixers) { + err = -ENOMEM; + goto error1; + } + } + apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL); + if (NULL == 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 = NULL; + struct amixer *amixer = NULL; + struct srcimp *srcimp = NULL; + struct ct_mixer *mixer = atc->mixer; + struct sum *mono = NULL; + struct rsc *out_ports[8] = {NULL}; + int err = 0, i = 0, j = 0, n_sum = 0, multi = 0; + unsigned int pitch = 0; + int mix_base = 0, imp_base = 0; + + if (NULL != apcm->src) { + /* Prepared pcm capture */ + return 0; + } + + /* 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]); + } + } + + return 0; +} + +static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm) +{ + struct src *src = NULL; + struct src_mgr *src_mgr = atc->rsc_mgrs[SRC]; + int i = 0, multi = 0; + + 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)); + 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); + + return 0; +} + +static int +atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm) +{ + struct src *src = apcm->src; + + 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 = NULL; + int err = 0; + int n_amixer = apcm->substream->runtime->channels, i = 0; + unsigned int pitch = 0, rsr = atc->pll_rate; + + /* 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)); + 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 (NULL == 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 +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 long flags; + unsigned int rate = apcm->substream->runtime->rate; + unsigned int status = 0; + int err = 0; + unsigned char iec958_con_fs = 0; + + 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; + } + + spin_lock_irqsave(&atc->atc_lock, flags); + 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 = ((struct hw *)atc->hw)->pll_init(atc->hw, rate); + atc->pll_rate = err ? 0 : rate; + } + spin_unlock_irqrestore(&atc->atc_lock, flags); + + return err; +} + +static int +spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm) +{ + struct src *src = NULL; + struct amixer *amixer = NULL; + struct dao *dao = NULL; + int err = 0; + int i = 0; + unsigned long flags; + + if (NULL != apcm->src) + return 0; + + /* 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 (NULL == src) + src = apcm->src; + } + /* Connect to SPDIFOO */ + spin_lock_irqsave(&atc->atc_lock, flags); + 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); + spin_unlock_irqrestore(&atc->atc_lock, flags); + + 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 = NULL; + + 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 = NULL; + + 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 int atc_have_digit_io_switch(struct ct_atc *atc) +{ + struct hw *hw = atc->hw; + + return hw->have_digit_io_switch(hw); +} + +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, LINEO4); +} + +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, LINEO2); +} + +static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state) +{ + return atc_daio_unmute(atc, state, LINEIM); +} + +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) +{ + unsigned long flags; + struct dao_desc da_dsc = {0}; + struct dao *dao = NULL; + int err = 0; + struct ct_mixer *mixer = atc->mixer; + struct rsc *rscs[2] = {NULL}; + unsigned int spos = 0; + + spin_lock_irqsave(&atc->atc_lock, flags); + 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 = ((struct hw *)atc->hw)->pll_init(atc->hw, + atc->rsr); + atc->pll_rate = err ? 0 : atc->rsr; + } + } + dao->ops->set_spos(dao, spos); + dao->ops->commit_write(dao); + spin_unlock_irqrestore(&atc->atc_lock, flags); + + return err; +} + +static int ct_atc_destroy(struct ct_atc *atc) +{ + struct daio_mgr *daio_mgr = NULL; + struct dao *dao = NULL; + struct dai *dai = 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; + int i = 0; + + if (NULL == atc) + return 0; + + /* Stop hardware and disable all interrupts */ + if (NULL != atc->hw) + ((struct hw *)atc->hw)->card_stop(atc->hw); + + /* Destroy internal mixer objects */ + if (NULL != 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); + ct_mixer_destroy(atc->mixer); + } + + if (NULL != 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); + } else { + dai = container_of(daio, struct dai, daio); + /* some thing to do for dai ... */ + } + daio_mgr->put_daio(daio_mgr, daio); + } + kfree(atc->daios); + } + + if (NULL != 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); + } + + if (NULL != 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); + } + + if (NULL != 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); + } + + for (i = 0; i < NUM_RSCTYP; i++) { + if ((NULL != rsc_mgr_funcs[i].destroy) && + (NULL != atc->rsc_mgrs[i])) + rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]); + + } + + if (NULL != atc->hw) + destroy_hw_obj((struct hw *)atc->hw); + + /* Destroy device virtual memory manager object */ + if (NULL != 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) +{ + u16 subsys = 0; + u8 revision = 0; + struct pci_dev *pci = atc->pci; + const struct ct_atc_chip_details *d; + enum CTCARDS i; + + pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsys); + pci_read_config_byte(pci, PCI_REVISION_ID, &revision); + atc->chip_details = NULL; + atc->model = NUM_CTCARDS; + for (d = atc_chip_details; d->vendor; d++) { + if (d->vendor != pci->vendor || d->device != pci->device) + continue; + + if (NULL == d->sub_details) { + atc->chip_details = d; + break; + } + for (i = 0; i < NUM_CTCARDS; i++) { + if ((d->sub_details[i].subsys == subsys) || + (((subsys & 0x6000) == 0x6000) && + ((d->sub_details[i].subsys & 0x6000) == 0x6000))) { + atc->model = i; + break; + } + } + if (i >= NUM_CTCARDS) + continue; + + atc->chip_details = d; + break; + /* not take revision into consideration now */ + } + if (!d->vendor) + return -ENOENT; + + return 0; +} + +static int ct_create_alsa_devs(struct ct_atc *atc) +{ + enum CTALSADEVS i; + struct hw *hw = atc->hw; + int err; + + switch (hw->get_chip_type(hw)) { + case ATC20K1: + alsa_dev_funcs[MIXER].public_name = "20K1"; + break; + case ATC20K2: + alsa_dev_funcs[MIXER].public_name = "20K2"; + break; + default: + alsa_dev_funcs[MIXER].public_name = "Unknown"; + break; + } + + for (i = 0; i < NUM_CTALSADEVS; i++) { + if (NULL == alsa_dev_funcs[i].create) + continue; + + err = alsa_dev_funcs[i].create(atc, i, + alsa_dev_funcs[i].public_name); + if (err) { + printk(KERN_ERR "Creating alsa device %d failed!\n", i); + return err; + } + } + + return 0; +} + +static int atc_create_hw_devs(struct ct_atc *atc) +{ + struct hw *hw = NULL; + struct card_conf info = {0}; + int i = 0, err = 0; + + err = create_hw_obj(atc->pci, &hw); + if (err) { + printk(KERN_ERR "Failed to create hw obj!!!\n"); + return err; + } + 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 (NULL == rsc_mgr_funcs[i].create) + continue; + + err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]); + if (err) { + printk(KERN_ERR "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 = NULL; + struct src_desc src_dsc = {0}; + struct src_mgr *src_mgr = NULL; + struct srcimp_desc srcimp_dsc = {0}; + struct srcimp_mgr *srcimp_mgr = NULL; + struct sum_desc sum_dsc = {0}; + struct sum_mgr *sum_mgr = NULL; + int err = 0, i = 0; + unsigned short subsys_id = 0; + + atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL); + if (NULL == atc->daios) + return -ENOMEM; + + atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL); + if (NULL == atc->srcs) + return -ENOMEM; + + atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL); + if (NULL == atc->srcimps) + return -ENOMEM; + + atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL); + if (NULL == 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 < DAIONUM-1; i++) { + da_desc.type = i; + err = daio_mgr->get_daio(daio_mgr, &da_desc, + (struct daio **)&atc->daios[i]); + if (err) { + printk(KERN_ERR "Failed to get DAIO " + "resource %d!!!\n", i); + return err; + } + atc->n_daio++; + } + pci_read_config_word(atc->pci, PCI_SUBSYSTEM_ID, &subsys_id); + if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) { + /* SB073x cards */ + da_desc.type = SPDIFI1; + } else { + da_desc.type = SPDIFIO; + } + err = daio_mgr->get_daio(daio_mgr, &da_desc, + (struct daio **)&atc->daios[i]); + if (err) { + printk(KERN_ERR "Failed to get S/PDIF-in resource!!!\n"); + 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 < (2*2); 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; /* SRCIMPs for S/PDIFIn SRT */ + for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) { + err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, + (struct srcimp **)&atc->srcimps[i]); + if (err) + return err; + + atc->n_srcimp++; + } + srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */ + for (i = 0; i < (2*1); i++) { + err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, + (struct srcimp **)&atc->srcimps[2*1+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++; + } + + err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer); + if (err) { + printk(KERN_ERR "Failed to create mixer obj!!!\n"); + return err; + } + + 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 = NULL; + struct srcimp *srcimp = NULL; + 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 = NULL; + struct dao *dao = NULL; + struct src *src = NULL; + struct sum *sum = NULL; + struct ct_mixer *mixer = NULL; + struct rsc *rscs[2] = {NULL}; + int i = 0, j = 0; + + 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); + + 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); + } +} + +static void atc_set_ops(struct ct_atc *atc) +{ + /* Set operations */ + atc->map_audio_buffer = ct_map_audio_buffer; + atc->unmap_audio_buffer = ct_unmap_audio_buffer; + atc->pcm_playback_prepare = atc_pcm_playback_prepare; + atc->pcm_release_resources = atc_pcm_release_resources; + atc->pcm_playback_start = atc_pcm_playback_start; + atc->pcm_playback_stop = atc_pcm_stop; + atc->pcm_playback_position = atc_pcm_playback_position; + atc->pcm_capture_prepare = atc_pcm_capture_prepare; + atc->pcm_capture_start = atc_pcm_capture_start; + atc->pcm_capture_stop = atc_pcm_stop; + atc->pcm_capture_position = atc_pcm_capture_position; + atc->spdif_passthru_playback_prepare = spdif_passthru_playback_prepare; + atc->get_ptp_phys = atc_get_ptp_phys; + atc->select_line_in = atc_select_line_in; + atc->select_mic_in = atc_select_mic_in; + atc->select_digit_io = atc_select_digit_io; + atc->line_front_unmute = atc_line_front_unmute; + atc->line_surround_unmute = atc_line_surround_unmute; + atc->line_clfe_unmute = atc_line_clfe_unmute; + atc->line_rear_unmute = atc_line_rear_unmute; + atc->line_in_unmute = atc_line_in_unmute; + atc->spdif_out_unmute = atc_spdif_out_unmute; + atc->spdif_in_unmute = atc_spdif_in_unmute; + atc->spdif_out_get_status = atc_spdif_out_get_status; + atc->spdif_out_set_status = atc_spdif_out_set_status; + atc->spdif_out_passthru = atc_spdif_out_passthru; + atc->have_digit_io_switch = atc_have_digit_io_switch; +} + +/** + * 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 suceeds, or negative error code if fails. + */ + +int ct_atc_create(struct snd_card *card, struct pci_dev *pci, + unsigned int rsr, unsigned int msr, struct ct_atc **ratc) +{ + struct ct_atc *atc = NULL; + static struct snd_device_ops ops = { + .dev_free = atc_dev_free, + }; + int err = 0; + + *ratc = NULL; + + atc = kzalloc(sizeof(*atc), GFP_KERNEL); + if (NULL == atc) + return -ENOMEM; + + atc->card = card; + atc->pci = pci; + atc->rsr = rsr; + atc->msr = msr; + + /* Set operations */ + atc_set_ops(atc); + + spin_lock_init(&atc->atc_lock); + spin_lock_init(&atc->vm_lock); + + /* Find card model */ + err = atc_identify_card(atc); + if (err < 0) { + printk(KERN_ERR "ctatc: Card not recognised\n"); + goto error1; + } + + /* Set up device virtual memory management object */ + err = ct_vm_create(&atc->vm); + if (err < 0) + goto error1; + + /* Create all atc hw devices */ + err = atc_create_hw_devs(atc); + if (err < 0) + goto error1; + + /* Get resources */ + err = atc_get_resources(atc); + if (err < 0) + goto error1; + + /* Build topology */ + atc_connect_resources(atc); + + atc->create_alsa_devs = ct_create_alsa_devs; + + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops); + if (err < 0) + goto error1; + + snd_card_set_dev(card, &pci->dev); + + *ratc = atc; + return 0; + +error1: + ct_atc_destroy(atc); + printk(KERN_ERR "Something wrong!!!\n"); + return err; +} + |