Merge remote-tracking branch 'asoc/topic/adsp' into asoc-next

This commit is contained in:
Mark Brown 2013-06-30 12:42:24 +01:00
commit fbc6c4ee65
2 changed files with 455 additions and 7 deletions

View File

@ -21,6 +21,7 @@
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -215,6 +216,36 @@ static struct {
[WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },
};
struct wm_coeff_ctl_ops {
int (*xget)(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int (*xput)(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int (*xinfo)(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
};
struct wm_coeff {
struct device *dev;
struct list_head ctl_list;
struct regmap *regmap;
};
struct wm_coeff_ctl {
const char *name;
struct snd_card *card;
struct wm_adsp_alg_region region;
struct wm_coeff_ctl_ops ops;
struct wm_adsp *adsp;
void *private;
unsigned int enabled:1;
struct list_head list;
void *cache;
size_t len;
unsigned int set:1;
struct snd_kcontrol *kcontrol;
};
static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@ -334,6 +365,181 @@ static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
}
}
static int wm_coeff_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
uinfo->count = ctl->len;
return 0;
}
static int wm_coeff_write_control(struct snd_kcontrol *kcontrol,
const void *buf, size_t len)
{
struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol);
struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
struct wm_adsp_alg_region *region = &ctl->region;
const struct wm_adsp_region *mem;
struct wm_adsp *adsp = ctl->adsp;
void *scratch;
int ret;
unsigned int reg;
mem = wm_adsp_find_region(adsp, region->type);
if (!mem) {
adsp_err(adsp, "No base for region %x\n",
region->type);
return -EINVAL;
}
reg = ctl->region.base;
reg = wm_adsp_region_to_reg(mem, reg);
scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
if (!scratch)
return -ENOMEM;
ret = regmap_raw_write(wm_coeff->regmap, reg, scratch,
ctl->len);
if (ret) {
adsp_err(adsp, "Failed to write %zu bytes to %x\n",
ctl->len, reg);
kfree(scratch);
return ret;
}
kfree(scratch);
return 0;
}
static int wm_coeff_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
char *p = ucontrol->value.bytes.data;
memcpy(ctl->cache, p, ctl->len);
if (!ctl->enabled) {
ctl->set = 1;
return 0;
}
return wm_coeff_write_control(kcontrol, p, ctl->len);
}
static int wm_coeff_read_control(struct snd_kcontrol *kcontrol,
void *buf, size_t len)
{
struct wm_coeff *wm_coeff= snd_kcontrol_chip(kcontrol);
struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
struct wm_adsp_alg_region *region = &ctl->region;
const struct wm_adsp_region *mem;
struct wm_adsp *adsp = ctl->adsp;
void *scratch;
int ret;
unsigned int reg;
mem = wm_adsp_find_region(adsp, region->type);
if (!mem) {
adsp_err(adsp, "No base for region %x\n",
region->type);
return -EINVAL;
}
reg = ctl->region.base;
reg = wm_adsp_region_to_reg(mem, reg);
scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
if (!scratch)
return -ENOMEM;
ret = regmap_raw_read(wm_coeff->regmap, reg, scratch, ctl->len);
if (ret) {
adsp_err(adsp, "Failed to read %zu bytes from %x\n",
ctl->len, reg);
kfree(scratch);
return ret;
}
memcpy(buf, scratch, ctl->len);
kfree(scratch);
return 0;
}
static int wm_coeff_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value;
char *p = ucontrol->value.bytes.data;
memcpy(p, ctl->cache, ctl->len);
return 0;
}
static int wm_coeff_add_kcontrol(struct wm_coeff *wm_coeff,
struct wm_coeff_ctl *ctl,
const struct snd_kcontrol_new *kctl)
{
int ret;
struct snd_kcontrol *kcontrol;
kcontrol = snd_ctl_new1(kctl, wm_coeff);
ret = snd_ctl_add(ctl->card, kcontrol);
if (ret < 0) {
dev_err(wm_coeff->dev, "Failed to add %s: %d\n",
kctl->name, ret);
return ret;
}
ctl->kcontrol = kcontrol;
return 0;
}
struct wmfw_ctl_work {
struct wm_coeff *wm_coeff;
struct wm_coeff_ctl *ctl;
struct work_struct work;
};
static int wmfw_add_ctl(struct wm_coeff *wm_coeff,
struct wm_coeff_ctl *ctl)
{
struct snd_kcontrol_new *kcontrol;
int ret;
if (!wm_coeff || !ctl || !ctl->name || !ctl->card)
return -EINVAL;
kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
if (!kcontrol)
return -ENOMEM;
kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kcontrol->name = ctl->name;
kcontrol->info = wm_coeff_info;
kcontrol->get = wm_coeff_get;
kcontrol->put = wm_coeff_put;
kcontrol->private_value = (unsigned long)ctl;
ret = wm_coeff_add_kcontrol(wm_coeff,
ctl, kcontrol);
if (ret < 0)
goto err_kcontrol;
kfree(kcontrol);
list_add(&ctl->list, &wm_coeff->ctl_list);
return 0;
err_kcontrol:
kfree(kcontrol);
return ret;
}
static int wm_adsp_load(struct wm_adsp *dsp)
{
LIST_HEAD(buf_list);
@ -547,7 +753,157 @@ out:
return ret;
}
static int wm_adsp_setup_algs(struct wm_adsp *dsp)
static int wm_coeff_init_control_caches(struct wm_coeff *wm_coeff)
{
struct wm_coeff_ctl *ctl;
int ret;
list_for_each_entry(ctl, &wm_coeff->ctl_list,
list) {
if (!ctl->enabled || ctl->set)
continue;
ret = wm_coeff_read_control(ctl->kcontrol,
ctl->cache,
ctl->len);
if (ret < 0)
return ret;
}
return 0;
}
static int wm_coeff_sync_controls(struct wm_coeff *wm_coeff)
{
struct wm_coeff_ctl *ctl;
int ret;
list_for_each_entry(ctl, &wm_coeff->ctl_list,
list) {
if (!ctl->enabled)
continue;
if (ctl->set) {
ret = wm_coeff_write_control(ctl->kcontrol,
ctl->cache,
ctl->len);
if (ret < 0)
return ret;
}
}
return 0;
}
static void wm_adsp_ctl_work(struct work_struct *work)
{
struct wmfw_ctl_work *ctl_work = container_of(work,
struct wmfw_ctl_work,
work);
wmfw_add_ctl(ctl_work->wm_coeff, ctl_work->ctl);
kfree(ctl_work);
}
static int wm_adsp_create_control(struct snd_soc_codec *codec,
const struct wm_adsp_alg_region *region)
{
struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
struct wm_coeff_ctl *ctl;
struct wmfw_ctl_work *ctl_work;
char *name;
char *region_name;
int ret;
name = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!name)
return -ENOMEM;
switch (region->type) {
case WMFW_ADSP1_PM:
region_name = "PM";
break;
case WMFW_ADSP1_DM:
region_name = "DM";
break;
case WMFW_ADSP2_XM:
region_name = "XM";
break;
case WMFW_ADSP2_YM:
region_name = "YM";
break;
case WMFW_ADSP1_ZM:
region_name = "ZM";
break;
default:
ret = -EINVAL;
goto err_name;
}
snprintf(name, PAGE_SIZE, "DSP%d %s %x",
dsp->num, region_name, region->alg);
list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
list) {
if (!strcmp(ctl->name, name)) {
if (!ctl->enabled)
ctl->enabled = 1;
goto found;
}
}
ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
if (!ctl) {
ret = -ENOMEM;
goto err_name;
}
ctl->region = *region;
ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
if (!ctl->name) {
ret = -ENOMEM;
goto err_ctl;
}
ctl->enabled = 1;
ctl->set = 0;
ctl->ops.xget = wm_coeff_get;
ctl->ops.xput = wm_coeff_put;
ctl->card = codec->card->snd_card;
ctl->adsp = dsp;
ctl->len = region->len;
ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
if (!ctl->cache) {
ret = -ENOMEM;
goto err_ctl_name;
}
ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
if (!ctl_work) {
ret = -ENOMEM;
goto err_ctl_cache;
}
ctl_work->wm_coeff = dsp->wm_coeff;
ctl_work->ctl = ctl;
INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
schedule_work(&ctl_work->work);
found:
kfree(name);
return 0;
err_ctl_cache:
kfree(ctl->cache);
err_ctl_name:
kfree(ctl->name);
err_ctl:
kfree(ctl);
err_name:
kfree(name);
return ret;
}
static int wm_adsp_setup_algs(struct wm_adsp *dsp, struct snd_soc_codec *codec)
{
struct regmap *regmap = dsp->regmap;
struct wmfw_adsp1_id_hdr adsp1_id;
@ -730,7 +1086,16 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
region->type = WMFW_ADSP1_DM;
region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
region->base = be32_to_cpu(adsp1_alg[i].dm);
region->len = 0;
list_add_tail(&region->list, &dsp->alg_regions);
if (i + 1 < algs) {
region->len = be32_to_cpu(adsp1_alg[i + 1].dm);
region->len -= be32_to_cpu(adsp1_alg[i].dm);
wm_adsp_create_control(codec, region);
} else {
adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
be32_to_cpu(adsp1_alg[i].alg.id));
}
region = kzalloc(sizeof(*region), GFP_KERNEL);
if (!region)
@ -738,7 +1103,16 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
region->type = WMFW_ADSP1_ZM;
region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
region->base = be32_to_cpu(adsp1_alg[i].zm);
region->len = 0;
list_add_tail(&region->list, &dsp->alg_regions);
if (i + 1 < algs) {
region->len = be32_to_cpu(adsp1_alg[i + 1].zm);
region->len -= be32_to_cpu(adsp1_alg[i].zm);
wm_adsp_create_control(codec, region);
} else {
adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
be32_to_cpu(adsp1_alg[i].alg.id));
}
break;
case WMFW_ADSP2:
@ -758,7 +1132,16 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
region->type = WMFW_ADSP2_XM;
region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
region->base = be32_to_cpu(adsp2_alg[i].xm);
region->len = 0;
list_add_tail(&region->list, &dsp->alg_regions);
if (i + 1 < algs) {
region->len = be32_to_cpu(adsp2_alg[i + 1].xm);
region->len -= be32_to_cpu(adsp2_alg[i].xm);
wm_adsp_create_control(codec, region);
} else {
adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
}
region = kzalloc(sizeof(*region), GFP_KERNEL);
if (!region)
@ -766,7 +1149,16 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
region->type = WMFW_ADSP2_YM;
region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
region->base = be32_to_cpu(adsp2_alg[i].ym);
region->len = 0;
list_add_tail(&region->list, &dsp->alg_regions);
if (i + 1 < algs) {
region->len = be32_to_cpu(adsp2_alg[i + 1].ym);
region->len -= be32_to_cpu(adsp2_alg[i].ym);
wm_adsp_create_control(codec, region);
} else {
adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
}
region = kzalloc(sizeof(*region), GFP_KERNEL);
if (!region)
@ -774,7 +1166,16 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
region->type = WMFW_ADSP2_ZM;
region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
region->base = be32_to_cpu(adsp2_alg[i].zm);
region->len = 0;
list_add_tail(&region->list, &dsp->alg_regions);
if (i + 1 < algs) {
region->len = be32_to_cpu(adsp2_alg[i + 1].zm);
region->len -= be32_to_cpu(adsp2_alg[i].zm);
wm_adsp_create_control(codec, region);
} else {
adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
be32_to_cpu(adsp2_alg[i].alg.id));
}
break;
}
}
@ -986,6 +1387,7 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
struct snd_soc_codec *codec = w->codec;
struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
struct wm_adsp *dsp = &dsps[w->shift];
struct wm_coeff_ctl *ctl;
int ret;
int val;
@ -1023,7 +1425,7 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
ret = wm_adsp_setup_algs(dsp);
ret = wm_adsp_setup_algs(dsp, codec);
if (ret != 0)
goto err;
@ -1031,6 +1433,16 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
/* Initialize caches for enabled and unset controls */
ret = wm_coeff_init_control_caches(dsp->wm_coeff);
if (ret != 0)
goto err;
/* Sync set controls */
ret = wm_coeff_sync_controls(dsp->wm_coeff);
if (ret != 0)
goto err;
/* Start the core running */
regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
ADSP1_CORE_ENA | ADSP1_START,
@ -1047,6 +1459,11 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
ADSP1_SYS_ENA, 0);
list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
list) {
ctl->enabled = 0;
}
break;
default:
@ -1099,6 +1516,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
struct wm_adsp *dsp = &dsps[w->shift];
struct wm_adsp_alg_region *alg_region;
struct wm_coeff_ctl *ctl;
unsigned int val;
int ret;
@ -1164,7 +1582,7 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
ret = wm_adsp_setup_algs(dsp);
ret = wm_adsp_setup_algs(dsp, codec);
if (ret != 0)
goto err;
@ -1172,6 +1590,16 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
if (ret != 0)
goto err;
/* Initialize caches for enabled and unset controls */
ret = wm_coeff_init_control_caches(dsp->wm_coeff);
if (ret != 0)
goto err;
/* Sync set controls */
ret = wm_coeff_sync_controls(dsp->wm_coeff);
if (ret != 0)
goto err;
ret = regmap_update_bits(dsp->regmap,
dsp->base + ADSP2_CONTROL,
ADSP2_CORE_ENA | ADSP2_START,
@ -1209,6 +1637,11 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
ret);
}
list_for_each_entry(ctl, &dsp->wm_coeff->ctl_list,
list) {
ctl->enabled = 0;
}
while (!list_empty(&dsp->alg_regions)) {
alg_region = list_first_entry(&dsp->alg_regions,
struct wm_adsp_alg_region,
@ -1247,36 +1680,48 @@ int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
INIT_LIST_HEAD(&adsp->alg_regions);
adsp->wm_coeff = kzalloc(sizeof(*adsp->wm_coeff),
GFP_KERNEL);
if (!adsp->wm_coeff)
return -ENOMEM;
adsp->wm_coeff->regmap = adsp->regmap;
adsp->wm_coeff->dev = adsp->dev;
INIT_LIST_HEAD(&adsp->wm_coeff->ctl_list);
if (dvfs) {
adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
if (IS_ERR(adsp->dvfs)) {
ret = PTR_ERR(adsp->dvfs);
dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret);
return ret;
goto out_coeff;
}
ret = regulator_enable(adsp->dvfs);
if (ret != 0) {
dev_err(adsp->dev, "Failed to enable DCVDD: %d\n",
ret);
return ret;
goto out_coeff;
}
ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000);
if (ret != 0) {
dev_err(adsp->dev, "Failed to initialise DVFS: %d\n",
ret);
return ret;
goto out_coeff;
}
ret = regulator_disable(adsp->dvfs);
if (ret != 0) {
dev_err(adsp->dev, "Failed to disable DCVDD: %d\n",
ret);
return ret;
goto out_coeff;
}
}
return 0;
out_coeff:
kfree(adsp->wm_coeff);
return ret;
}
EXPORT_SYMBOL_GPL(wm_adsp2_init);

View File

@ -30,6 +30,7 @@ struct wm_adsp_alg_region {
unsigned int alg;
int type;
unsigned int base;
size_t len;
};
struct wm_adsp {
@ -55,6 +56,8 @@ struct wm_adsp {
bool running;
struct regulator *dvfs;
struct wm_coeff *wm_coeff;
};
#define WM_ADSP1(wname, num) \