#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>
[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)
{
}
}
+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);
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;
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(®ion->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)
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(®ion->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:
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(®ion->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)
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(®ion->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)
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(®ion->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;
}
}
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;
if (ret != 0)
goto err;
- ret = wm_adsp_setup_algs(dsp);
+ ret = wm_adsp_setup_algs(dsp, codec);
if (ret != 0)
goto err;
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,
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:
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;
if (ret != 0)
goto err;
- ret = wm_adsp_setup_algs(dsp);
+ ret = wm_adsp_setup_algs(dsp, codec);
if (ret != 0)
goto err;
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,
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,
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);
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