| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Simon Trimmer | 5706 | 58.48% | 21 | 14.48% |
| Charles Keepax | 2422 | 24.82% | 57 | 39.31% |
| Mark Brown | 573 | 5.87% | 14 | 9.66% |
| Richard Fitzgerald | 525 | 5.38% | 29 | 20.00% |
| Stuart Henderson | 176 | 1.80% | 4 | 2.76% |
| Mayuresh Kulkarni | 93 | 0.95% | 1 | 0.69% |
| Wen Shi | 59 | 0.60% | 1 | 0.69% |
| Dimitris Papastamos | 45 | 0.46% | 1 | 0.69% |
| Li Xu | 37 | 0.38% | 2 | 1.38% |
| Kuninori Morimoto | 37 | 0.38% | 4 | 2.76% |
| Dinghao Liu | 18 | 0.18% | 1 | 0.69% |
| Cristian Ciocaltea | 14 | 0.14% | 1 | 0.69% |
| Vlad Karpovich | 13 | 0.13% | 2 | 1.38% |
| Chris Rattray | 11 | 0.11% | 1 | 0.69% |
| Ajit Pandey | 10 | 0.10% | 1 | 0.69% |
| Takashi Iwai | 6 | 0.06% | 1 | 0.69% |
| Praveen Diwakar | 5 | 0.05% | 1 | 0.69% |
| Andrew Ford | 4 | 0.04% | 1 | 0.69% |
| Thomas Gleixner | 2 | 0.02% | 1 | 0.69% |
| Lars-Peter Clausen | 1 | 0.01% | 1 | 0.69% |
| Total | 9757 | 145 |
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// SPDX-License-Identifier: GPL-2.0-only /* * wm_adsp.c -- Wolfson ADSP support * * Copyright 2012 Wolfson Microelectronics plc * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> */ #include <linux/array_size.h> #include <linux/ctype.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/firmware.h> #include <linux/list.h> #include <linux/pm.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/workqueue.h> #include <linux/debugfs.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/jack.h> #include <sound/initval.h> #include <sound/tlv.h> #include "wm_adsp.h" #define adsp_crit(_dsp, fmt, ...) \ dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) #define adsp_err(_dsp, fmt, ...) \ dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) #define adsp_warn(_dsp, fmt, ...) \ dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) #define adsp_info(_dsp, fmt, ...) \ dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) #define adsp_dbg(_dsp, fmt, ...) \ dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) #define compr_err(_obj, fmt, ...) \ adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ ##__VA_ARGS__) #define compr_dbg(_obj, fmt, ...) \ adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ ##__VA_ARGS__) #define ADSP_MAX_STD_CTRL_SIZE 512 static const struct cs_dsp_client_ops wm_adsp1_client_ops; static const struct cs_dsp_client_ops wm_adsp2_client_ops; #define WM_ADSP_FW_MBC_VSS 0 #define WM_ADSP_FW_HIFI 1 #define WM_ADSP_FW_TX 2 #define WM_ADSP_FW_TX_SPK 3 #define WM_ADSP_FW_RX 4 #define WM_ADSP_FW_RX_ANC 5 #define WM_ADSP_FW_CTRL 6 #define WM_ADSP_FW_ASR 7 #define WM_ADSP_FW_TRACE 8 #define WM_ADSP_FW_SPK_PROT 9 #define WM_ADSP_FW_SPK_CALI 10 #define WM_ADSP_FW_SPK_DIAG 11 #define WM_ADSP_FW_MISC 12 #define WM_ADSP_NUM_FW 13 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", [WM_ADSP_FW_HIFI] = "MasterHiFi", [WM_ADSP_FW_TX] = "Tx", [WM_ADSP_FW_TX_SPK] = "Tx Speaker", [WM_ADSP_FW_RX] = "Rx", [WM_ADSP_FW_RX_ANC] = "Rx ANC", [WM_ADSP_FW_CTRL] = "Voice Ctrl", [WM_ADSP_FW_ASR] = "ASR Assist", [WM_ADSP_FW_TRACE] = "Dbg Trace", [WM_ADSP_FW_SPK_PROT] = "Protection", [WM_ADSP_FW_SPK_CALI] = "Calibration", [WM_ADSP_FW_SPK_DIAG] = "Diagnostic", [WM_ADSP_FW_MISC] = "Misc", }; struct wm_adsp_system_config_xm_hdr { __be32 sys_enable; __be32 fw_id; __be32 fw_rev; __be32 boot_status; __be32 watchdog; __be32 dma_buffer_size; __be32 rdma[6]; __be32 wdma[8]; __be32 build_job_name[3]; __be32 build_job_number; } __packed; struct wm_halo_system_config_xm_hdr { __be32 halo_heartbeat; __be32 build_job_name[3]; __be32 build_job_number; } __packed; struct wm_adsp_alg_xm_struct { __be32 magic; __be32 smoothing; __be32 threshold; __be32 host_buf_ptr; __be32 start_seq; __be32 high_water_mark; __be32 low_water_mark; __be64 smoothed_power; } __packed; struct wm_adsp_host_buf_coeff_v1 { __be32 host_buf_ptr; /* Host buffer pointer */ __be32 versions; /* Version numbers */ __be32 name[4]; /* The buffer name */ } __packed; struct wm_adsp_buffer { __be32 buf1_base; /* Base addr of first buffer area */ __be32 buf1_size; /* Size of buf1 area in DSP words */ __be32 buf2_base; /* Base addr of 2nd buffer area */ __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ __be32 buf3_base; /* Base addr of buf3 area */ __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ __be32 high_water_mark; /* Point at which IRQ is asserted */ __be32 irq_count; /* bits 1-31 count IRQ assertions */ __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ __be32 next_write_index; /* word index of next write */ __be32 next_read_index; /* word index of next read */ __be32 error; /* error if any */ __be32 oldest_block_index; /* word index of oldest surviving */ __be32 requested_rewind; /* how many blocks rewind was done */ __be32 reserved_space; /* internal */ __be32 min_free; /* min free space since stream start */ __be32 blocks_written[2]; /* total blocks written (64 bit) */ __be32 words_written[2]; /* total words written (64 bit) */ } __packed; struct wm_adsp_compr; struct wm_adsp_compr_buf { struct list_head list; struct wm_adsp *dsp; struct wm_adsp_compr *compr; struct wm_adsp_buffer_region *regions; u32 host_buf_ptr; u32 error; u32 irq_count; int read_index; int avail; int host_buf_mem_type; char *name; }; struct wm_adsp_compr { struct list_head list; struct wm_adsp *dsp; struct wm_adsp_compr_buf *buf; struct snd_compr_stream *stream; struct snd_compressed_buffer size; u32 *raw_buf; unsigned int copied_total; unsigned int sample_rate; const char *name; }; #define WM_ADSP_MIN_FRAGMENTS 1 #define WM_ADSP_MAX_FRAGMENTS 256 #define WM_ADSP_MIN_FRAGMENT_SIZE (16 * CS_DSP_DATA_WORD_SIZE) #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 #define HOST_BUFFER_FIELD(field) \ (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) #define ALG_XM_FIELD(field) \ (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 static int wm_adsp_buffer_init(struct wm_adsp *dsp); static int wm_adsp_buffer_free(struct wm_adsp *dsp); struct wm_adsp_buffer_region { unsigned int offset; unsigned int cumulative_size; unsigned int mem_type; unsigned int base_addr; }; struct wm_adsp_buffer_region_def { unsigned int mem_type; unsigned int base_offset; unsigned int size_offset; }; static const struct wm_adsp_buffer_region_def default_regions[] = { { .mem_type = WMFW_ADSP2_XM, .base_offset = HOST_BUFFER_FIELD(buf1_base), .size_offset = HOST_BUFFER_FIELD(buf1_size), }, { .mem_type = WMFW_ADSP2_XM, .base_offset = HOST_BUFFER_FIELD(buf2_base), .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), }, { .mem_type = WMFW_ADSP2_YM, .base_offset = HOST_BUFFER_FIELD(buf3_base), .size_offset = HOST_BUFFER_FIELD(buf_total_size), }, }; struct wm_adsp_fw_caps { u32 id; struct snd_codec_desc desc; int num_regions; const struct wm_adsp_buffer_region_def *region_defs; }; static const struct wm_adsp_fw_caps ctrl_caps[] = { { .id = SND_AUDIOCODEC_BESPOKE, .desc = { .max_ch = 8, .sample_rates = { 16000 }, .num_sample_rates = 1, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .num_regions = ARRAY_SIZE(default_regions), .region_defs = default_regions, }, }; static const struct wm_adsp_fw_caps trace_caps[] = { { .id = SND_AUDIOCODEC_BESPOKE, .desc = { .max_ch = 8, .sample_rates = { 4000, 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000 }, .num_sample_rates = 15, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .num_regions = ARRAY_SIZE(default_regions), .region_defs = default_regions, }, }; static const struct { const char *file; int compr_direction; int num_caps; const struct wm_adsp_fw_caps *caps; bool voice_trigger; } wm_adsp_fw[WM_ADSP_NUM_FW] = { [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, [WM_ADSP_FW_HIFI] = { .file = "hifi" }, [WM_ADSP_FW_TX] = { .file = "tx" }, [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, [WM_ADSP_FW_RX] = { .file = "rx" }, [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, [WM_ADSP_FW_CTRL] = { .file = "ctrl", .compr_direction = SND_COMPRESS_CAPTURE, .num_caps = ARRAY_SIZE(ctrl_caps), .caps = ctrl_caps, .voice_trigger = true, }, [WM_ADSP_FW_ASR] = { .file = "asr" }, [WM_ADSP_FW_TRACE] = { .file = "trace", .compr_direction = SND_COMPRESS_CAPTURE, .num_caps = ARRAY_SIZE(trace_caps), .caps = trace_caps, }, [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot", .compr_direction = SND_COMPRESS_CAPTURE, .num_caps = ARRAY_SIZE(trace_caps), .caps = trace_caps, }, [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, [WM_ADSP_FW_MISC] = { .file = "misc" }, }; struct wm_coeff_ctl { const char *name; struct cs_dsp_coeff_ctl *cs_ctl; struct soc_bytes_ext bytes_ext; struct work_struct work; }; int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; return 0; } EXPORT_SYMBOL_GPL(wm_adsp_fw_get); int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; struct wm_adsp *dsp = snd_soc_component_get_drvdata(component); int ret = 1; if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) return 0; if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) return -EINVAL; mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list)) ret = -EBUSY; else dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 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), SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), }; EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) { return container_of(ext, struct wm_coeff_ctl, bytes_ext); } static int wm_coeff_info(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; switch (cs_ctl->type) { case WMFW_CTL_TYPE_ACKED: uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; uinfo->value.integer.step = 1; uinfo->count = 1; break; default: uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; uinfo->count = cs_ctl->len; break; } return 0; } static int wm_coeff_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; char *p = ucontrol->value.bytes.data; return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, p, cs_ctl->len); } static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, const unsigned int __user *bytes, unsigned int size) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; void *scratch; int ret = 0; scratch = vmalloc(size); if (!scratch) return -ENOMEM; if (copy_from_user(scratch, bytes, size)) ret = -EFAULT; else ret = cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, scratch, size); vfree(scratch); return ret; } static int wm_coeff_put_acked(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; unsigned int val = ucontrol->value.integer.value[0]; int ret; if (val == 0) return 0; /* 0 means no event */ mutex_lock(&cs_ctl->dsp->pwr_lock); if (cs_ctl->enabled) ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); else ret = -EPERM; mutex_unlock(&cs_ctl->dsp->pwr_lock); if (ret < 0) return ret; return 1; } static int wm_coeff_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; char *p = ucontrol->value.bytes.data; return cs_dsp_coeff_lock_and_read_ctrl(cs_ctl, 0, p, cs_ctl->len); } static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, unsigned int __user *bytes, unsigned int size) { struct soc_bytes_ext *bytes_ext = (struct soc_bytes_ext *)kctl->private_value; struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; int ret = 0; mutex_lock(&cs_ctl->dsp->pwr_lock); ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) ret = -EFAULT; mutex_unlock(&cs_ctl->dsp->pwr_lock); return ret; } static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { /* * Although it's not useful to read an acked control, we must satisfy * user-side assumptions that all controls are readable and that a * write of the same value should be filtered out (it's valid to send * the same event number again to the firmware). We therefore return 0, * meaning "no event" so valid event numbers will always be a change */ ucontrol->value.integer.value[0] = 0; return 0; } static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) { unsigned int out, rd, wr, vol; if (len > ADSP_MAX_STD_CTRL_SIZE) { rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; } else { rd = SNDRV_CTL_ELEM_ACCESS_READ; wr = SNDRV_CTL_ELEM_ACCESS_WRITE; vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; out = 0; } if (in) { out |= rd; if (in & WMFW_CTL_FLAG_WRITEABLE) out |= wr; if (in & WMFW_CTL_FLAG_VOLATILE) out |= vol; } else { out |= rd | wr | vol; } return out; } static void wm_adsp_ctl_work(struct work_struct *work) { struct wm_coeff_ctl *ctl = container_of(work, struct wm_coeff_ctl, work); struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); struct snd_kcontrol_new *kcontrol; kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); if (!kcontrol) return; kcontrol->name = ctl->name; kcontrol->info = wm_coeff_info; kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; kcontrol->tlv.c = snd_soc_bytes_tlv_callback; kcontrol->private_value = (unsigned long)&ctl->bytes_ext; kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); switch (cs_ctl->type) { case WMFW_CTL_TYPE_ACKED: kcontrol->get = wm_coeff_get_acked; kcontrol->put = wm_coeff_put_acked; break; default: if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { ctl->bytes_ext.max = cs_ctl->len; ctl->bytes_ext.get = wm_coeff_tlv_get; ctl->bytes_ext.put = wm_coeff_tlv_put; } else { kcontrol->get = wm_coeff_get; kcontrol->put = wm_coeff_put; } break; } snd_soc_add_component_controls(dsp->component, kcontrol, 1); kfree(kcontrol); } int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) { struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); struct cs_dsp *cs_dsp = &dsp->cs_dsp; struct wm_coeff_ctl *ctl; char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; const char *region_name; int ret; if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) return 0; region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); if (!region_name) { adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); return -EINVAL; } switch (cs_dsp->wmfw_ver) { case 0: case 1: ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s %x", cs_dsp->name, region_name, cs_ctl->alg_region.alg); break; case 2: ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s%c %.12s %x", cs_dsp->name, *region_name, wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); break; default: ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %.12s %x", cs_dsp->name, wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); break; } if (cs_ctl->subname) { int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; int skip = 0; if (dsp->component->name_prefix) avail -= strlen(dsp->component->name_prefix) + 1; /* Truncate the subname from the start if it is too long */ if (cs_ctl->subname_len > avail) skip = cs_ctl->subname_len - avail; snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); } ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); if (!ctl) return -ENOMEM; ctl->cs_ctl = cs_ctl; ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); if (!ctl->name) { ret = -ENOMEM; goto err_ctl; } cs_ctl->priv = ctl; INIT_WORK(&ctl->work, wm_adsp_ctl_work); schedule_work(&ctl->work); return 0; err_ctl: kfree(ctl); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_control_add); static int wm_adsp_control_add_cb(struct cs_dsp_coeff_ctl *cs_ctl) { struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); if (dsp->control_add) return (dsp->control_add)(dsp, cs_ctl); else return wm_adsp_control_add(cs_ctl); } static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) { struct wm_coeff_ctl *ctl = cs_ctl->priv; cancel_work_sync(&ctl->work); kfree(ctl->name); kfree(ctl); } int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, unsigned int alg, void *buf, size_t len) { struct cs_dsp_coeff_ctl *cs_ctl; int ret; mutex_lock(&dsp->cs_dsp.pwr_lock); cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); mutex_unlock(&dsp->cs_dsp.pwr_lock); if (ret < 0) return ret; return 0; } EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, unsigned int alg, void *buf, size_t len) { int ret; mutex_lock(&dsp->cs_dsp.pwr_lock); ret = cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg), 0, buf, len); mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, const struct firmware *wmfw_firmware, char *wmfw_filename, const struct firmware *coeff_firmware, char *coeff_filename) { if (wmfw_firmware) release_firmware(wmfw_firmware); kfree(wmfw_filename); if (coeff_firmware) release_firmware(coeff_firmware); kfree(coeff_filename); } static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, const struct firmware **firmware, char **filename, const char *dir, const char *system_name, const char *asoc_component_prefix, const char *filetype) { struct cs_dsp *cs_dsp = &dsp->cs_dsp; const char *fwf; char *s, c; int ret = 0; if (dsp->fwf_name) fwf = dsp->fwf_name; else fwf = dsp->cs_dsp.name; if (system_name && asoc_component_prefix) *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part, fwf, wm_adsp_fw[dsp->fw].file, system_name, asoc_component_prefix, filetype); else if (system_name) *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part, fwf, wm_adsp_fw[dsp->fw].file, system_name, filetype); else *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, fwf, wm_adsp_fw[dsp->fw].file, filetype); if (*filename == NULL) return -ENOMEM; /* * Make sure that filename is lower-case and any non alpha-numeric * characters except full stop and forward slash are replaced with * hyphens. */ s = *filename; while (*s) { c = *s; if (isalnum(c)) *s = tolower(c); else if ((c != '.') && (c != '/')) *s = '-'; s++; } ret = firmware_request_nowarn(firmware, *filename, cs_dsp->dev); if (ret != 0) { adsp_dbg(dsp, "Failed to request '%s'\n", *filename); kfree(*filename); *filename = NULL; } else { adsp_dbg(dsp, "Found '%s'\n", *filename); } return ret; } static const char *cirrus_dir = "cirrus/"; static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, const struct firmware **wmfw_firmware, char **wmfw_filename, const struct firmware **coeff_firmware, char **coeff_filename) { const char *system_name = dsp->system_name; const char *asoc_component_prefix = dsp->component->name_prefix; int ret = 0; if (system_name && asoc_component_prefix) { if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, cirrus_dir, system_name, asoc_component_prefix, "wmfw")) { wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, system_name, asoc_component_prefix, "bin"); return 0; } } if (system_name) { if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, cirrus_dir, system_name, NULL, "wmfw")) { if (asoc_component_prefix) wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, system_name, asoc_component_prefix, "bin"); if (!*coeff_firmware) wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, system_name, NULL, "bin"); return 0; } } /* Check system-specific bin without wmfw before falling back to generic */ if (dsp->wmfw_optional && system_name) { if (asoc_component_prefix) wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, system_name, asoc_component_prefix, "bin"); if (!*coeff_firmware) wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, system_name, NULL, "bin"); if (*coeff_firmware) return 0; } /* Check legacy location */ if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, "", NULL, NULL, "wmfw")) { wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, "", NULL, NULL, "bin"); return 0; } /* Fall back to generic wmfw and optional matching bin */ ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, cirrus_dir, NULL, NULL, "wmfw"); if (!ret || dsp->wmfw_optional) { wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, cirrus_dir, NULL, NULL, "bin"); return 0; } adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", cirrus_dir, dsp->part, dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, wm_adsp_fw[dsp->fw].file, system_name, asoc_component_prefix); return -ENOENT; } static int wm_adsp_common_init(struct wm_adsp *dsp) { INIT_LIST_HEAD(&dsp->compr_list); INIT_LIST_HEAD(&dsp->buffer_list); return 0; } int wm_adsp1_init(struct wm_adsp *dsp) { int ret; dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; ret = cs_dsp_adsp1_init(&dsp->cs_dsp); if (ret) return ret; return wm_adsp_common_init(dsp); } EXPORT_SYMBOL_GPL(wm_adsp1_init); int wm_adsp1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; int ret = 0; char *wmfw_filename = NULL; const struct firmware *wmfw_firmware = NULL; char *coeff_filename = NULL; const struct firmware *coeff_firmware = NULL; dsp->component = component; switch (event) { case SND_SOC_DAPM_POST_PMU: ret = wm_adsp_request_firmware_files(dsp, &wmfw_firmware, &wmfw_filename, &coeff_firmware, &coeff_filename); if (ret) break; ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename, wm_adsp_fw_text[dsp->fw]); wm_adsp_release_firmware_files(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename); break; case SND_SOC_DAPM_PRE_PMD: cs_dsp_adsp1_power_down(&dsp->cs_dsp); break; default: break; } return ret; } EXPORT_SYMBOL_GPL(wm_adsp1_event); int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); } EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct wm_adsp *dsp = &dsps[mc->shift - 1]; ucontrol->value.integer.value[0] = dsp->preloaded; return 0; } EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct wm_adsp *dsp = &dsps[mc->shift - 1]; char preload[32]; if (dsp->preloaded == ucontrol->value.integer.value[0]) return 0; snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); if (ucontrol->value.integer.value[0] || dsp->toggle_preload) snd_soc_component_force_enable_pin(component, preload); else snd_soc_component_disable_pin(component, preload); snd_soc_dapm_sync(dapm); flush_work(&dsp->boot_work); dsp->preloaded = ucontrol->value.integer.value[0]; if (dsp->toggle_preload) { snd_soc_component_disable_pin(component, preload); snd_soc_dapm_sync(dapm); } return 1; } EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) { int ret = 0; char *wmfw_filename = NULL; const struct firmware *wmfw_firmware = NULL; char *coeff_filename = NULL; const struct firmware *coeff_firmware = NULL; if (load_firmware) { ret = wm_adsp_request_firmware_files(dsp, &wmfw_firmware, &wmfw_filename, &coeff_firmware, &coeff_filename); if (ret) return ret; } ret = cs_dsp_power_up(&dsp->cs_dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename, wm_adsp_fw_text[dsp->fw]); wm_adsp_release_firmware_files(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_power_up); void wm_adsp_power_down(struct wm_adsp *dsp) { cs_dsp_power_down(&dsp->cs_dsp); } EXPORT_SYMBOL_GPL(wm_adsp_power_down); static void wm_adsp_boot_work(struct work_struct *work) { struct wm_adsp *dsp = container_of(work, struct wm_adsp, boot_work); wm_adsp_power_up(dsp, true); } int wm_adsp_early_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; switch (event) { case SND_SOC_DAPM_PRE_PMU: queue_work(system_unbound_wq, &dsp->boot_work); break; case SND_SOC_DAPM_PRE_PMD: wm_adsp_power_down(dsp); break; default: break; } return 0; } EXPORT_SYMBOL_GPL(wm_adsp_early_event); static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) { struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); if (!dsp->pre_run) return 0; return (*dsp->pre_run)(dsp); } static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) { struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); if (wm_adsp_fw[dsp->fw].num_caps != 0) return wm_adsp_buffer_init(dsp); return 0; } static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) { struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); if (wm_adsp_fw[dsp->fw].num_caps != 0) wm_adsp_buffer_free(dsp); dsp->fatal_error = false; } int wm_adsp_run(struct wm_adsp *dsp) { flush_work(&dsp->boot_work); return cs_dsp_run(&dsp->cs_dsp); } EXPORT_SYMBOL_GPL(wm_adsp_run); void wm_adsp_stop(struct wm_adsp *dsp) { cs_dsp_stop(&dsp->cs_dsp); } EXPORT_SYMBOL_GPL(wm_adsp_stop); int wm_adsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); struct wm_adsp *dsp = &dsps[w->shift]; switch (event) { case SND_SOC_DAPM_POST_PMU: return wm_adsp_run(dsp); case SND_SOC_DAPM_PRE_PMD: wm_adsp_stop(dsp); return 0; default: return 0; } } EXPORT_SYMBOL_GPL(wm_adsp_event); int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) { char preload[32]; if (!dsp->cs_dsp.no_core_startstop) { snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); snd_soc_component_disable_pin(component, preload); } cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); dsp->component = component; return 0; } EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) { cs_dsp_cleanup_debugfs(&dsp->cs_dsp); return 0; } EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); int wm_adsp2_init(struct wm_adsp *dsp) { int ret; INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; ret = cs_dsp_adsp2_init(&dsp->cs_dsp); if (ret) return ret; return wm_adsp_common_init(dsp); } EXPORT_SYMBOL_GPL(wm_adsp2_init); int wm_halo_init(struct wm_adsp *dsp) { int ret; INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; ret = cs_dsp_halo_init(&dsp->cs_dsp); if (ret) return ret; return wm_adsp_common_init(dsp); } EXPORT_SYMBOL_GPL(wm_halo_init); void wm_adsp2_remove(struct wm_adsp *dsp) { cs_dsp_remove(&dsp->cs_dsp); } EXPORT_SYMBOL_GPL(wm_adsp2_remove); static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) { return compr->buf != NULL; } static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) { struct wm_adsp_compr_buf *buf = NULL, *tmp; if (compr->dsp->fatal_error) return -EINVAL; list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { if (!tmp->name || !strcmp(compr->name, tmp->name)) { buf = tmp; break; } } if (!buf) return -EINVAL; compr->buf = buf; buf->compr = compr; return 0; } static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) { if (!compr) return; /* Wake the poll so it can see buffer is no longer attached */ if (compr->stream) snd_compr_fragment_elapsed(compr->stream); if (wm_adsp_compr_attached(compr)) { compr->buf->compr = NULL; compr->buf = NULL; } } int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) { struct wm_adsp_compr *compr, *tmp; struct snd_soc_pcm_runtime *rtd = stream->private_data; int ret = 0; mutex_lock(&dsp->cs_dsp.pwr_lock); if (wm_adsp_fw[dsp->fw].num_caps == 0) { adsp_err(dsp, "%s: Firmware does not support compressed API\n", snd_soc_rtd_to_codec(rtd, 0)->name); ret = -ENXIO; goto out; } if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { adsp_err(dsp, "%s: Firmware does not support stream direction\n", snd_soc_rtd_to_codec(rtd, 0)->name); ret = -EINVAL; goto out; } list_for_each_entry(tmp, &dsp->compr_list, list) { if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) { adsp_err(dsp, "%s: Only a single stream supported per dai\n", snd_soc_rtd_to_codec(rtd, 0)->name); ret = -EBUSY; goto out; } } compr = kzalloc(sizeof(*compr), GFP_KERNEL); if (!compr) { ret = -ENOMEM; goto out; } compr->dsp = dsp; compr->stream = stream; compr->name = snd_soc_rtd_to_codec(rtd, 0)->name; list_add_tail(&compr->list, &dsp->compr_list); stream->runtime->private_data = compr; out: mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_compr_open); int wm_adsp_compr_free(struct snd_soc_component *component, struct snd_compr_stream *stream) { struct wm_adsp_compr *compr = stream->runtime->private_data; struct wm_adsp *dsp = compr->dsp; mutex_lock(&dsp->cs_dsp.pwr_lock); wm_adsp_compr_detach(compr); list_del(&compr->list); kfree(compr->raw_buf); kfree(compr); mutex_unlock(&dsp->cs_dsp.pwr_lock); return 0; } EXPORT_SYMBOL_GPL(wm_adsp_compr_free); static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, struct snd_compr_params *params) { struct wm_adsp_compr *compr = stream->runtime->private_data; struct wm_adsp *dsp = compr->dsp; const struct wm_adsp_fw_caps *caps; const struct snd_codec_desc *desc; int i, j; if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", params->buffer.fragment_size, params->buffer.fragments); return -EINVAL; } for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { caps = &wm_adsp_fw[dsp->fw].caps[i]; desc = &caps->desc; if (caps->id != params->codec.id) continue; if (stream->direction == SND_COMPRESS_PLAYBACK) { if (desc->max_ch < params->codec.ch_out) continue; } else { if (desc->max_ch < params->codec.ch_in) continue; } if (!(desc->formats & (1 << params->codec.format))) continue; for (j = 0; j < desc->num_sample_rates; ++j) if (desc->sample_rates[j] == params->codec.sample_rate) return 0; } compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", params->codec.id, params->codec.ch_in, params->codec.ch_out, params->codec.sample_rate, params->codec.format); return -EINVAL; } static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) { return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; } int wm_adsp_compr_set_params(struct snd_soc_component *component, struct snd_compr_stream *stream, struct snd_compr_params *params) { struct wm_adsp_compr *compr = stream->runtime->private_data; unsigned int size; int ret; ret = wm_adsp_compr_check_params(stream, params); if (ret) return ret; compr->size = params->buffer; compr_dbg(compr, "fragment_size=%d fragments=%d\n", compr->size.fragment_size, compr->size.fragments); size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); if (!compr->raw_buf) return -ENOMEM; compr->sample_rate = params->codec.sample_rate; return 0; } EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); int wm_adsp_compr_get_caps(struct snd_soc_component *component, struct snd_compr_stream *stream, struct snd_compr_caps *caps) { struct wm_adsp_compr *compr = stream->runtime->private_data; int fw = compr->dsp->fw; int i; if (wm_adsp_fw[fw].caps) { for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; caps->num_codecs = i; caps->direction = wm_adsp_fw[fw].compr_direction; caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; } return 0; } EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, unsigned int field_offset, u32 *data) { return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, buf->host_buf_ptr + field_offset, data); } static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, unsigned int field_offset, u32 data) { return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, buf->host_buf_ptr + field_offset, data); } static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) { const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; struct wm_adsp_buffer_region *region; u32 offset = 0; int i, ret; buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), GFP_KERNEL); if (!buf->regions) return -ENOMEM; for (i = 0; i < caps->num_regions; ++i) { region = &buf->regions[i]; region->offset = offset; region->mem_type = caps->region_defs[i].mem_type; ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, ®ion->base_addr); if (ret < 0) goto err; ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, &offset); if (ret < 0) goto err; region->cumulative_size = offset; compr_dbg(buf, "region=%d type=%d base=%08x off=%08x size=%08x\n", i, region->mem_type, region->base_addr, region->offset, region->cumulative_size); } return 0; err: kfree(buf->regions); return ret; } static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) { buf->irq_count = 0xFFFFFFFF; buf->read_index = -1; buf->avail = 0; } static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) { struct wm_adsp_compr_buf *buf; buf = kzalloc(sizeof(*buf), GFP_KERNEL); if (!buf) return NULL; buf->dsp = dsp; wm_adsp_buffer_clear(buf); return buf; } static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) { struct cs_dsp_alg_region *alg_region; struct wm_adsp_compr_buf *buf; u32 xmalg, addr, magic; int i, ret; alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); if (!alg_region) { adsp_err(dsp, "No algorithm region found\n"); return -EINVAL; } xmalg = dsp->sys_config_size / sizeof(__be32); addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); if (ret < 0) return ret; if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) return -ENODEV; buf = wm_adsp_buffer_alloc(dsp); if (!buf) return -ENOMEM; addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); for (i = 0; i < 5; ++i) { ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &buf->host_buf_ptr); if (ret < 0) goto err; if (buf->host_buf_ptr) break; usleep_range(1000, 2000); } if (!buf->host_buf_ptr) { ret = -EIO; goto err; } buf->host_buf_mem_type = WMFW_ADSP2_XM; ret = wm_adsp_buffer_populate(buf); if (ret < 0) goto err; list_add_tail(&buf->list, &dsp->buffer_list); compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); return 0; err: kfree(buf); return ret; } static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) { struct wm_adsp_host_buf_coeff_v1 coeff_v1; struct wm_adsp_compr_buf *buf; struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); unsigned int version = 0; int ret, i; for (i = 0; i < 5; ++i) { ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, min(cs_ctl->len, sizeof(coeff_v1))); if (ret < 0) return ret; if (coeff_v1.host_buf_ptr) break; usleep_range(1000, 2000); } if (!coeff_v1.host_buf_ptr) { adsp_err(dsp, "Failed to acquire host buffer\n"); return -EIO; } buf = wm_adsp_buffer_alloc(dsp); if (!buf) return -ENOMEM; buf->host_buf_mem_type = cs_ctl->alg_region.type; buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); ret = wm_adsp_buffer_populate(buf); if (ret < 0) goto err; /* * v0 host_buffer coefficients didn't have versioning, so if the * control is one word, assume version 0. */ if (cs_ctl->len == 4) goto done; version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { adsp_err(dsp, "Host buffer coeff ver %u > supported version %u\n", version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); ret = -EINVAL; goto err; } cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, (char *)&coeff_v1.name); done: list_add_tail(&buf->list, &dsp->buffer_list); compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", buf->host_buf_ptr, version); return version; err: kfree(buf); return ret; } static int wm_adsp_buffer_init(struct wm_adsp *dsp) { struct cs_dsp_coeff_ctl *cs_ctl; int ret; list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) continue; if (!cs_ctl->enabled) continue; ret = wm_adsp_buffer_parse_coeff(cs_ctl); if (ret < 0) { adsp_err(dsp, "Failed to parse coeff: %d\n", ret); goto error; } else if (ret == 0) { /* Only one buffer supported for version 0 */ return 0; } } if (list_empty(&dsp->buffer_list)) { /* Fall back to legacy support */ ret = wm_adsp_buffer_parse_legacy(dsp); if (ret == -ENODEV) adsp_info(dsp, "Legacy support not available\n"); else if (ret) adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); } return 0; error: wm_adsp_buffer_free(dsp); return ret; } static int wm_adsp_buffer_free(struct wm_adsp *dsp) { struct wm_adsp_compr_buf *buf, *tmp; list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { wm_adsp_compr_detach(buf->compr); kfree(buf->name); kfree(buf->regions); list_del(&buf->list); kfree(buf); } return 0; } static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) { int ret; ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); if (ret < 0) { compr_err(buf, "Failed to check buffer error: %d\n", ret); return ret; } if (buf->error != 0) { compr_err(buf, "Buffer error occurred: %d\n", buf->error); return -EIO; } return 0; } int wm_adsp_compr_trigger(struct snd_soc_component *component, struct snd_compr_stream *stream, int cmd) { struct wm_adsp_compr *compr = stream->runtime->private_data; struct wm_adsp *dsp = compr->dsp; int ret = 0; compr_dbg(compr, "Trigger: %d\n", cmd); mutex_lock(&dsp->cs_dsp.pwr_lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: if (!wm_adsp_compr_attached(compr)) { ret = wm_adsp_compr_attach(compr); if (ret < 0) { compr_err(compr, "Failed to link buffer and stream: %d\n", ret); break; } } ret = wm_adsp_buffer_get_error(compr->buf); if (ret < 0) break; /* Trigger the IRQ at one fragment of data */ ret = wm_adsp_buffer_write(compr->buf, HOST_BUFFER_FIELD(high_water_mark), wm_adsp_compr_frag_words(compr)); if (ret < 0) { compr_err(compr, "Failed to set high water mark: %d\n", ret); break; } break; case SNDRV_PCM_TRIGGER_STOP: if (wm_adsp_compr_attached(compr)) wm_adsp_buffer_clear(compr->buf); break; default: ret = -EINVAL; break; } mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) { int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; return buf->regions[last_region].cumulative_size; } static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) { u32 next_read_index, next_write_index; int write_index, read_index, avail; int ret; /* Only sync read index if we haven't already read a valid index */ if (buf->read_index < 0) { ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_read_index), &next_read_index); if (ret < 0) return ret; read_index = sign_extend32(next_read_index, 23); if (read_index < 0) { compr_dbg(buf, "Avail check on unstarted stream\n"); return 0; } buf->read_index = read_index; } ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), &next_write_index); if (ret < 0) return ret; write_index = sign_extend32(next_write_index, 23); avail = write_index - buf->read_index; if (avail < 0) avail += wm_adsp_buffer_size(buf); compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); buf->avail = avail; return 0; } int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) { struct wm_adsp_compr_buf *buf; struct wm_adsp_compr *compr; int ret = 0; mutex_lock(&dsp->cs_dsp.pwr_lock); if (list_empty(&dsp->buffer_list)) { ret = -ENODEV; goto out; } adsp_dbg(dsp, "Handling buffer IRQ\n"); list_for_each_entry(buf, &dsp->buffer_list, list) { compr = buf->compr; ret = wm_adsp_buffer_get_error(buf); if (ret < 0) goto out_notify; /* Wake poll to report error */ ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), &buf->irq_count); if (ret < 0) { compr_err(buf, "Failed to get irq_count: %d\n", ret); goto out; } ret = wm_adsp_buffer_update_avail(buf); if (ret < 0) { compr_err(buf, "Error reading avail: %d\n", ret); goto out; } if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) ret = WM_ADSP_COMPR_VOICE_TRIGGER; out_notify: if (compr && compr->stream) snd_compr_fragment_elapsed(compr->stream); } out: mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) { if (buf->irq_count & 0x01) return 0; compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); buf->irq_count |= 0x01; return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), buf->irq_count); } int wm_adsp_compr_pointer(struct snd_soc_component *component, struct snd_compr_stream *stream, struct snd_compr_tstamp *tstamp) { struct wm_adsp_compr *compr = stream->runtime->private_data; struct wm_adsp *dsp = compr->dsp; struct wm_adsp_compr_buf *buf; int ret = 0; compr_dbg(compr, "Pointer request\n"); mutex_lock(&dsp->cs_dsp.pwr_lock); buf = compr->buf; if (dsp->fatal_error || !buf || buf->error) { snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); ret = -EIO; goto out; } if (buf->avail < wm_adsp_compr_frag_words(compr)) { ret = wm_adsp_buffer_update_avail(buf); if (ret < 0) { compr_err(compr, "Error reading avail: %d\n", ret); goto out; } /* * If we really have less than 1 fragment available tell the * DSP to inform us once a whole fragment is available. */ if (buf->avail < wm_adsp_compr_frag_words(compr)) { ret = wm_adsp_buffer_get_error(buf); if (ret < 0) { if (buf->error) snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); goto out; } ret = wm_adsp_buffer_reenable_irq(buf); if (ret < 0) { compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", ret); goto out; } } } tstamp->copied_total = compr->copied_total; tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; tstamp->sampling_rate = compr->sample_rate; out: mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) { struct wm_adsp_compr_buf *buf = compr->buf; unsigned int adsp_addr; int mem_type, nwords, max_read; int i, ret; /* Calculate read parameters */ for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) if (buf->read_index < buf->regions[i].cumulative_size) break; if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) return -EINVAL; mem_type = buf->regions[i].mem_type; adsp_addr = buf->regions[i].base_addr + (buf->read_index - buf->regions[i].offset); max_read = wm_adsp_compr_frag_words(compr); nwords = buf->regions[i].cumulative_size - buf->read_index; if (nwords > target) nwords = target; if (nwords > buf->avail) nwords = buf->avail; if (nwords > max_read) nwords = max_read; if (!nwords) return 0; /* Read data from DSP */ ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, nwords, (__be32 *)compr->raw_buf); if (ret < 0) return ret; cs_dsp_remove_padding(compr->raw_buf, nwords); /* update read index to account for words read */ buf->read_index += nwords; if (buf->read_index == wm_adsp_buffer_size(buf)) buf->read_index = 0; ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), buf->read_index); if (ret < 0) return ret; /* update avail to account for words read */ buf->avail -= nwords; return nwords; } static int wm_adsp_compr_read(struct wm_adsp_compr *compr, char __user *buf, size_t count) { struct wm_adsp *dsp = compr->dsp; int ntotal = 0; int nwords, nbytes; compr_dbg(compr, "Requested read of %zu bytes\n", count); if (dsp->fatal_error || !compr->buf || compr->buf->error) { snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); return -EIO; } count /= CS_DSP_DATA_WORD_SIZE; do { nwords = wm_adsp_buffer_capture_block(compr, count); if (nwords < 0) { compr_err(compr, "Failed to capture block: %d\n", nwords); return nwords; } nbytes = nwords * CS_DSP_DATA_WORD_SIZE; compr_dbg(compr, "Read %d bytes\n", nbytes); if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { compr_err(compr, "Failed to copy data to user: %d, %d\n", ntotal, nbytes); return -EFAULT; } count -= nwords; ntotal += nbytes; } while (nwords > 0 && count > 0); compr->copied_total += ntotal; return ntotal; } int wm_adsp_compr_copy(struct snd_soc_component *component, struct snd_compr_stream *stream, char __user *buf, size_t count) { struct wm_adsp_compr *compr = stream->runtime->private_data; struct wm_adsp *dsp = compr->dsp; int ret; mutex_lock(&dsp->cs_dsp.pwr_lock); if (stream->direction == SND_COMPRESS_CAPTURE) ret = wm_adsp_compr_read(compr, buf, count); else ret = -ENOTSUPP; mutex_unlock(&dsp->cs_dsp.pwr_lock); return ret; } EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) { struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); struct wm_adsp_compr *compr; dsp->fatal_error = true; list_for_each_entry(compr, &dsp->compr_list, list) { if (compr->stream) snd_compr_fragment_elapsed(compr->stream); } } irqreturn_t wm_adsp2_bus_error(int irq, void *data) { struct wm_adsp *dsp = (struct wm_adsp *)data; cs_dsp_adsp2_bus_error(&dsp->cs_dsp); return IRQ_HANDLED; } EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); irqreturn_t wm_halo_bus_error(int irq, void *data) { struct wm_adsp *dsp = (struct wm_adsp *)data; cs_dsp_halo_bus_error(&dsp->cs_dsp); return IRQ_HANDLED; } EXPORT_SYMBOL_GPL(wm_halo_bus_error); irqreturn_t wm_halo_wdt_expire(int irq, void *data) { struct wm_adsp *dsp = data; cs_dsp_halo_wdt_expire(&dsp->cs_dsp); return IRQ_HANDLED; } EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); static const struct cs_dsp_client_ops wm_adsp1_client_ops = { .control_add = wm_adsp_control_add_cb, .control_remove = wm_adsp_control_remove, }; static const struct cs_dsp_client_ops wm_adsp2_client_ops = { .control_add = wm_adsp_control_add_cb, .control_remove = wm_adsp_control_remove, .pre_run = wm_adsp_pre_run, .post_run = wm_adsp_event_post_run, .post_stop = wm_adsp_event_post_stop, .watchdog_expired = wm_adsp_fatal_error, }; MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support"); MODULE_LICENSE("GPL v2"); MODULE_IMPORT_NS(FW_CS_DSP);
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