ASoC: wm_adsp: Add basic firmware selection support
[deliverable/linux.git] / sound / soc / codecs / wm_adsp.c
index ffc89fab96fbf4b6ccc81973f69df863132da1ec..1f8e8e2a1a6a518305299ef8617350b5dedd0e32 100644 (file)
 #define ADSP2_RAM_RDY_SHIFT                    0
 #define ADSP2_RAM_RDY_WIDTH                    1
 
+#define WM_ADSP_NUM_FW 3
+
+static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
+       "MBC/VSS", "Tx", "Rx ANC"
+};
+
+static struct {
+       const char *file;
+} wm_adsp_fw[WM_ADSP_NUM_FW] = {
+       { .file = "mbc-vss" },
+       { .file = "tx" },
+       { .file = "rx-anc" },
+};
+
+static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
+                         struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+       struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
+
+       ucontrol->value.integer.value[0] = adsp[e->shift_l].fw;
+
+       return 0;
+}
+
+static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
+                         struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+       struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec);
+
+       if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw)
+               return 0;
+
+       if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW)
+               return -EINVAL;
+
+       if (adsp[e->shift_l].running)
+               return -EBUSY;
+
+       adsp->fw = ucontrol->value.integer.value[0];
+
+       return 0;
+}
+
+static const struct soc_enum wm_adsp_fw_enum[] = {
+       SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
+       SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
+       SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
+       SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
+};
+
+const struct snd_kcontrol_new wm_adsp_fw_controls[] = {
+       SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
+                    wm_adsp_fw_get, wm_adsp_fw_put),
+       SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
+                    wm_adsp_fw_get, wm_adsp_fw_put),
+       SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
+                    wm_adsp_fw_get, wm_adsp_fw_put),
+       SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
+                    wm_adsp_fw_get, wm_adsp_fw_put),
+};
+EXPORT_SYMBOL_GPL(wm_adsp_fw_controls);
 
 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
                                                        int type)
@@ -156,6 +221,26 @@ static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
        return NULL;
 }
 
+static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region,
+                                         unsigned int offset)
+{
+       switch (region->type) {
+       case WMFW_ADSP1_PM:
+               return region->base + (offset * 3);
+       case WMFW_ADSP1_DM:
+               return region->base + (offset * 2);
+       case WMFW_ADSP2_XM:
+               return region->base + (offset * 2);
+       case WMFW_ADSP2_YM:
+               return region->base + (offset * 2);
+       case WMFW_ADSP1_ZM:
+               return region->base + (offset * 2);
+       default:
+               WARN_ON(NULL != "Unknown memory region type");
+               return offset;
+       }
+}
+
 static int wm_adsp_load(struct wm_adsp *dsp)
 {
        const struct firmware *firmware;
@@ -177,7 +262,8 @@ static int wm_adsp_load(struct wm_adsp *dsp)
        if (file == NULL)
                return -ENOMEM;
 
-       snprintf(file, PAGE_SIZE, "%s-dsp%d.wmfw", dsp->part, dsp->num);
+       snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
+                wm_adsp_fw[dsp->fw].file);
        file[PAGE_SIZE - 1] = '\0';
 
        ret = request_firmware(&firmware, file, dsp->dev);
@@ -282,27 +368,27 @@ static int wm_adsp_load(struct wm_adsp *dsp)
                case WMFW_ADSP1_PM:
                        BUG_ON(!mem);
                        region_name = "PM";
-                       reg = mem->base + (offset * 3);
+                       reg = wm_adsp_region_to_reg(mem, offset);
                        break;
                case WMFW_ADSP1_DM:
                        BUG_ON(!mem);
                        region_name = "DM";
-                       reg = mem->base + (offset * 2);
+                       reg = wm_adsp_region_to_reg(mem, offset);
                        break;
                case WMFW_ADSP2_XM:
                        BUG_ON(!mem);
                        region_name = "XM";
-                       reg = mem->base + (offset * 2);
+                       reg = wm_adsp_region_to_reg(mem, offset);
                        break;
                case WMFW_ADSP2_YM:
                        BUG_ON(!mem);
                        region_name = "YM";
-                       reg = mem->base + (offset * 2);
+                       reg = wm_adsp_region_to_reg(mem, offset);
                        break;
                case WMFW_ADSP1_ZM:
                        BUG_ON(!mem);
                        region_name = "ZM";
-                       reg = mem->base + (offset * 2);
+                       reg = wm_adsp_region_to_reg(mem, offset);
                        break;
                default:
                        adsp_warn(dsp,
@@ -350,12 +436,224 @@ out:
        return ret;
 }
 
+static int wm_adsp_setup_algs(struct wm_adsp *dsp)
+{
+       struct regmap *regmap = dsp->regmap;
+       struct wmfw_adsp1_id_hdr adsp1_id;
+       struct wmfw_adsp2_id_hdr adsp2_id;
+       struct wmfw_adsp1_alg_hdr *adsp1_alg;
+       struct wmfw_adsp2_alg_hdr *adsp2_alg;
+       void *alg, *buf;
+       struct wm_adsp_alg_region *region;
+       const struct wm_adsp_region *mem;
+       unsigned int pos, term;
+       size_t algs, buf_size;
+       __be32 val;
+       int i, ret;
+
+       switch (dsp->type) {
+       case WMFW_ADSP1:
+               mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
+               break;
+       case WMFW_ADSP2:
+               mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
+               break;
+       default:
+               mem = NULL;
+               break;
+       }
+
+       if (mem == NULL) {
+               BUG_ON(mem != NULL);
+               return -EINVAL;
+       }
+
+       switch (dsp->type) {
+       case WMFW_ADSP1:
+               ret = regmap_raw_read(regmap, mem->base, &adsp1_id,
+                                     sizeof(adsp1_id));
+               if (ret != 0) {
+                       adsp_err(dsp, "Failed to read algorithm info: %d\n",
+                                ret);
+                       return ret;
+               }
+
+               buf = &adsp1_id;
+               buf_size = sizeof(adsp1_id);
+
+               algs = be32_to_cpu(adsp1_id.algs);
+               adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
+                         be32_to_cpu(adsp1_id.fw.id),
+                         (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
+                         (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
+                         be32_to_cpu(adsp1_id.fw.ver) & 0xff,
+                         algs);
+
+               pos = sizeof(adsp1_id) / 2;
+               term = pos + ((sizeof(*adsp1_alg) * algs) / 2);
+               break;
+
+       case WMFW_ADSP2:
+               ret = regmap_raw_read(regmap, mem->base, &adsp2_id,
+                                     sizeof(adsp2_id));
+               if (ret != 0) {
+                       adsp_err(dsp, "Failed to read algorithm info: %d\n",
+                                ret);
+                       return ret;
+               }
+
+               buf = &adsp2_id;
+               buf_size = sizeof(adsp2_id);
+
+               algs = be32_to_cpu(adsp2_id.algs);
+               adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
+                         be32_to_cpu(adsp2_id.fw.id),
+                         (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
+                         (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
+                         be32_to_cpu(adsp2_id.fw.ver) & 0xff,
+                         algs);
+
+               pos = sizeof(adsp2_id) / 2;
+               term = pos + ((sizeof(*adsp2_alg) * algs) / 2);
+               break;
+
+       default:
+               BUG_ON(NULL == "Unknown DSP type");
+               return -EINVAL;
+       }
+
+       if (algs == 0) {
+               adsp_err(dsp, "No algorithms\n");
+               return -EINVAL;
+       }
+
+       if (algs > 1024) {
+               adsp_err(dsp, "Algorithm count %zx excessive\n", algs);
+               print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET,
+                                    buf, buf_size);
+               return -EINVAL;
+       }
+
+       /* Read the terminator first to validate the length */
+       ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val));
+       if (ret != 0) {
+               adsp_err(dsp, "Failed to read algorithm list end: %d\n",
+                       ret);
+               return ret;
+       }
+
+       if (be32_to_cpu(val) != 0xbedead)
+               adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
+                         term, be32_to_cpu(val));
+
+       alg = kzalloc((term - pos) * 2, GFP_KERNEL);
+       if (!alg)
+               return -ENOMEM;
+
+       ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2);
+       if (ret != 0) {
+               adsp_err(dsp, "Failed to read algorithm list: %d\n",
+                       ret);
+               goto out;
+       }
+
+       adsp1_alg = alg;
+       adsp2_alg = alg;
+
+       for (i = 0; i < algs; i++) {
+               switch (dsp->type) {
+               case WMFW_ADSP1:
+                       adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
+                                 i, be32_to_cpu(adsp1_alg[i].alg.id),
+                                 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
+                                 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
+                                 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
+                                 be32_to_cpu(adsp1_alg[i].dm),
+                                 be32_to_cpu(adsp1_alg[i].zm));
+
+                       if (adsp1_alg[i].dm) {
+                               region = kzalloc(sizeof(*region), GFP_KERNEL);
+                               if (!region)
+                                       return -ENOMEM;
+                               region->type = WMFW_ADSP1_DM;
+                               region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
+                               region->base = be32_to_cpu(adsp1_alg[i].dm);
+                               list_add_tail(&region->list,
+                                             &dsp->alg_regions);
+                       }
+
+                       if (adsp1_alg[i].zm) {
+                               region = kzalloc(sizeof(*region), GFP_KERNEL);
+                               if (!region)
+                                       return -ENOMEM;
+                               region->type = WMFW_ADSP1_ZM;
+                               region->alg = be32_to_cpu(adsp1_alg[i].alg.id);
+                               region->base = be32_to_cpu(adsp1_alg[i].zm);
+                               list_add_tail(&region->list,
+                                             &dsp->alg_regions);
+                       }
+                       break;
+
+               case WMFW_ADSP2:
+                       adsp_info(dsp,
+                                 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
+                                 i, be32_to_cpu(adsp2_alg[i].alg.id),
+                                 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
+                                 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
+                                 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
+                                 be32_to_cpu(adsp2_alg[i].xm),
+                                 be32_to_cpu(adsp2_alg[i].ym),
+                                 be32_to_cpu(adsp2_alg[i].zm));
+
+                       if (adsp2_alg[i].xm) {
+                               region = kzalloc(sizeof(*region), GFP_KERNEL);
+                               if (!region)
+                                       return -ENOMEM;
+                               region->type = WMFW_ADSP2_XM;
+                               region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
+                               region->base = be32_to_cpu(adsp2_alg[i].xm);
+                               list_add_tail(&region->list,
+                                             &dsp->alg_regions);
+                       }
+
+                       if (adsp2_alg[i].ym) {
+                               region = kzalloc(sizeof(*region), GFP_KERNEL);
+                               if (!region)
+                                       return -ENOMEM;
+                               region->type = WMFW_ADSP2_YM;
+                               region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
+                               region->base = be32_to_cpu(adsp2_alg[i].ym);
+                               list_add_tail(&region->list,
+                                             &dsp->alg_regions);
+                       }
+
+                       if (adsp2_alg[i].zm) {
+                               region = kzalloc(sizeof(*region), GFP_KERNEL);
+                               if (!region)
+                                       return -ENOMEM;
+                               region->type = WMFW_ADSP2_ZM;
+                               region->alg = be32_to_cpu(adsp2_alg[i].alg.id);
+                               region->base = be32_to_cpu(adsp2_alg[i].zm);
+                               list_add_tail(&region->list,
+                                             &dsp->alg_regions);
+                       }
+                       break;
+               }
+       }
+
+out:
+       kfree(alg);
+       return ret;
+}
+
 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 {
        struct regmap *regmap = dsp->regmap;
        struct wmfw_coeff_hdr *hdr;
        struct wmfw_coeff_item *blk;
        const struct firmware *firmware;
+       const struct wm_adsp_region *mem;
+       struct wm_adsp_alg_region *alg_region;
        const char *region_name;
        int ret, pos, blocks, type, offset, reg;
        char *file;
@@ -364,7 +662,8 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
        if (file == NULL)
                return -ENOMEM;
 
-       snprintf(file, PAGE_SIZE, "%s-dsp%d.bin", dsp->part, dsp->num);
+       snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
+                wm_adsp_fw[dsp->fw].file);
        file[PAGE_SIZE - 1] = '\0';
 
        ret = request_firmware(&firmware, file, dsp->dev);
@@ -420,6 +719,37 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                        region_name = "register";
                        reg = offset;
                        break;
+
+               case WMFW_ADSP1_DM:
+               case WMFW_ADSP1_ZM:
+               case WMFW_ADSP2_XM:
+               case WMFW_ADSP2_YM:
+                       adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
+                                file, blocks, le32_to_cpu(blk->len),
+                                type, le32_to_cpu(blk->id));
+
+                       mem = wm_adsp_find_region(dsp, type);
+                       if (!mem) {
+                               adsp_err(dsp, "No base for region %x\n", type);
+                               break;
+                       }
+
+                       reg = 0;
+                       list_for_each_entry(alg_region,
+                                           &dsp->alg_regions, list) {
+                               if (le32_to_cpu(blk->id) == alg_region->alg &&
+                                   type == alg_region->type) {
+                                       reg = alg_region->base + offset;
+                                       reg = wm_adsp_region_to_reg(mem,
+                                                                   reg);
+                               }
+                       }
+
+                       if (reg == 0)
+                               adsp_err(dsp, "No %x for algorithm %x\n",
+                                        type, le32_to_cpu(blk->id));
+                       break;
+
                default:
                        adsp_err(dsp, "Unknown region type %x\n", type);
                        break;
@@ -468,6 +798,10 @@ int wm_adsp1_event(struct snd_soc_dapm_widget *w,
                if (ret != 0)
                        goto err;
 
+               ret = wm_adsp_setup_algs(dsp);
+               if (ret != 0)
+                       goto err;
+
                ret = wm_adsp_load_coeff(dsp);
                if (ret != 0)
                        goto err;
@@ -539,6 +873,7 @@ int wm_adsp2_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_adsp_alg_region *alg_region;
        unsigned int val;
        int ret;
 
@@ -604,6 +939,10 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
                if (ret != 0)
                        goto err;
 
+               ret = wm_adsp_setup_algs(dsp);
+               if (ret != 0)
+                       goto err;
+
                ret = wm_adsp_load_coeff(dsp);
                if (ret != 0)
                        goto err;
@@ -614,9 +953,13 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
                                         ADSP2_CORE_ENA | ADSP2_START);
                if (ret != 0)
                        goto err;
+
+               dsp->running = true;
                break;
 
        case SND_SOC_DAPM_PRE_PMD:
+               dsp->running = false;
+
                regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
                                   ADSP2_SYS_ENA | ADSP2_CORE_ENA |
                                   ADSP2_START, 0);
@@ -635,6 +978,14 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
                                        "Failed to enable supply: %d\n",
                                        ret);
                }
+
+               while (!list_empty(&dsp->alg_regions)) {
+                       alg_region = list_first_entry(&dsp->alg_regions,
+                                                     struct wm_adsp_alg_region,
+                                                     list);
+                       list_del(&alg_region->list);
+                       kfree(alg_region);
+               }
                break;
 
        default:
@@ -664,6 +1015,8 @@ int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs)
                return ret;
        }
 
+       INIT_LIST_HEAD(&adsp->alg_regions);
+
        if (dvfs) {
                adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD");
                if (IS_ERR(adsp->dvfs)) {
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