// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "wsa883x.h" #include "internal.h" #define T1_TEMP -10 #define T2_TEMP 150 #define LOW_TEMP_THRESHOLD 5 #define HIGH_TEMP_THRESHOLD 45 #define TEMP_INVALID 0xFFFF #define WSA883X_TEMP_RETRY 3 enum { WSA_4OHMS =4, WSA_8OHMS = 8, WSA_16OHMS = 16, WSA_32OHMS = 32, }; struct wsa_temp_register { u8 d1_msb; u8 d1_lsb; u8 d2_msb; u8 d2_lsb; u8 dmeas_msb; u8 dmeas_lsb; }; static int wsa883x_get_temperature(struct snd_soc_component *component, int *temp); enum { WSA8830 = 0, WSA8835, }; enum { WSA883X_IRQ_INT_SAF2WAR = 0, WSA883X_IRQ_INT_WAR2SAF, WSA883X_IRQ_INT_DISABLE, WSA883X_IRQ_INT_OCP, WSA883X_IRQ_INT_CLIP, WSA883X_IRQ_INT_PDM_WD, WSA883X_IRQ_INT_CLK_WD, WSA883X_IRQ_INT_INTR_PIN, WSA883X_IRQ_INT_UVLO, WSA883X_IRQ_INT_PA_ON_ERR, }; static const struct regmap_irq wsa883x_irqs[WSA883X_NUM_IRQS] = { REGMAP_IRQ_REG(WSA883X_IRQ_INT_SAF2WAR, 0, 0x01), REGMAP_IRQ_REG(WSA883X_IRQ_INT_WAR2SAF, 0, 0x02), REGMAP_IRQ_REG(WSA883X_IRQ_INT_DISABLE, 0, 0x04), REGMAP_IRQ_REG(WSA883X_IRQ_INT_OCP, 0, 0x08), REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLIP, 0, 0x10), REGMAP_IRQ_REG(WSA883X_IRQ_INT_PDM_WD, 0, 0x20), REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLK_WD, 0, 0x40), REGMAP_IRQ_REG(WSA883X_IRQ_INT_INTR_PIN, 0, 0x80), REGMAP_IRQ_REG(WSA883X_IRQ_INT_UVLO, 1, 0x01), REGMAP_IRQ_REG(WSA883X_IRQ_INT_PA_ON_ERR, 1, 0x02), }; static struct regmap_irq_chip wsa883x_regmap_irq_chip = { .name = "wsa883x", .irqs = wsa883x_irqs, .num_irqs = ARRAY_SIZE(wsa883x_irqs), .num_regs = 2, .status_base = WSA883X_INTR_STATUS0, .mask_base = WSA883X_INTR_MASK0, .type_base = WSA883X_INTR_LEVEL0, .ack_base = WSA883X_INTR_CLEAR0, .use_ack = 1, .runtime_pm = false, .irq_drv_data = NULL, }; #ifdef CONFIG_DEBUG_FS static int codec_debug_open(struct inode *inode, struct file *file) { file->private_data = inode->i_private; return 0; } static int get_parameters(char *buf, u32 *param1, int num_of_par) { char *token; int base, cnt; token = strsep(&buf, " "); for (cnt = 0; cnt < num_of_par; cnt++) { if (token) { if ((token[1] == 'x') || (token[1] == 'X')) base = 16; else base = 10; if (kstrtou32(token, base, ¶m1[cnt]) != 0) return -EINVAL; token = strsep(&buf, " "); } else { return -EINVAL; } } return 0; } static bool is_swr_slave_reg_readable(int reg) { int ret = true; if (((reg > 0x46) && (reg < 0x4A)) || ((reg > 0x4A) && (reg < 0x50)) || ((reg > 0x55) && (reg < 0xD0)) || ((reg > 0xD0) && (reg < 0xE0)) || ((reg > 0xE0) && (reg < 0xF0)) || ((reg > 0xF0) && (reg < 0x100)) || ((reg > 0x105) && (reg < 0x120)) || ((reg > 0x205) && (reg < 0x220)) || ((reg > 0x305) && (reg < 0x320)) || ((reg > 0x405) && (reg < 0x420)) || ((reg > 0x128) && (reg < 0x130)) || ((reg > 0x228) && (reg < 0x230)) || ((reg > 0x328) && (reg < 0x330)) || ((reg > 0x428) && (reg < 0x430)) || ((reg > 0x138) && (reg < 0x205)) || ((reg > 0x238) && (reg < 0x305)) || ((reg > 0x338) && (reg < 0x405)) || ((reg > 0x405) && (reg < 0xF00)) || ((reg > 0xF05) && (reg < 0xF20)) || ((reg > 0xF25) && (reg < 0xF30)) || ((reg > 0xF35) && (reg < 0x2000))) ret = false; return ret; } static ssize_t swr_slave_reg_show(struct swr_device *pdev, char __user *ubuf, size_t count, loff_t *ppos) { int i, reg_val, len; ssize_t total = 0; char tmp_buf[SWR_SLV_MAX_BUF_LEN]; if (!ubuf || !ppos) return 0; for (i = (((int) *ppos/BYTES_PER_LINE) + SWR_SLV_START_REG_ADDR); i <= SWR_SLV_MAX_REG_ADDR; i++) { if (!is_swr_slave_reg_readable(i)) continue; swr_read(pdev, pdev->dev_num, i, ®_val, 1); len = snprintf(tmp_buf, 25, "0x%.3x: 0x%.2x\n", i, (reg_val & 0xFF)); if ((total + len) >= count - 1) break; if (copy_to_user((ubuf + total), tmp_buf, len)) { pr_err("%s: fail to copy reg dump\n", __func__); total = -EFAULT; goto copy_err; } total += len; *ppos += len; } copy_err: *ppos = SWR_SLV_MAX_REG_ADDR * BYTES_PER_LINE; return total; } static ssize_t codec_debug_dump(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { struct swr_device *pdev; if (!count || !file || !ppos || !ubuf) return -EINVAL; pdev = file->private_data; if (!pdev) return -EINVAL; if (*ppos < 0) return -EINVAL; return swr_slave_reg_show(pdev, ubuf, count, ppos); } static ssize_t codec_debug_read(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) { char lbuf[SWR_SLV_RD_BUF_LEN]; struct swr_device *pdev = NULL; struct wsa883x_priv *wsa883x = NULL; if (!count || !file || !ppos || !ubuf) return -EINVAL; pdev = file->private_data; if (!pdev) return -EINVAL; wsa883x = swr_get_dev_data(pdev); if (!wsa883x) return -EINVAL; if (*ppos < 0) return -EINVAL; snprintf(lbuf, sizeof(lbuf), "0x%x\n", (wsa883x->read_data & 0xFF)); return simple_read_from_buffer(ubuf, count, ppos, lbuf, strnlen(lbuf, 7)); } static ssize_t codec_debug_peek_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos) { char lbuf[SWR_SLV_WR_BUF_LEN]; int rc = 0; u32 param[5]; struct swr_device *pdev = NULL; struct wsa883x_priv *wsa883x = NULL; if (!cnt || !file || !ppos || !ubuf) return -EINVAL; pdev = file->private_data; if (!pdev) return -EINVAL; wsa883x = swr_get_dev_data(pdev); if (!wsa883x) return -EINVAL; if (*ppos < 0) return -EINVAL; if (cnt > sizeof(lbuf) - 1) return -EINVAL; rc = copy_from_user(lbuf, ubuf, cnt); if (rc) return -EFAULT; lbuf[cnt] = '\0'; rc = get_parameters(lbuf, param, 1); if (!((param[0] <= SWR_SLV_MAX_REG_ADDR) && (rc == 0))) return -EINVAL; swr_read(pdev, pdev->dev_num, param[0], &wsa883x->read_data, 1); if (rc == 0) rc = cnt; else pr_err("%s: rc = %d\n", __func__, rc); return rc; } static ssize_t codec_debug_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos) { char lbuf[SWR_SLV_WR_BUF_LEN]; int rc = 0; u32 param[5]; struct swr_device *pdev; if (!file || !ppos || !ubuf) return -EINVAL; pdev = file->private_data; if (!pdev) return -EINVAL; if (cnt > sizeof(lbuf) - 1) return -EINVAL; rc = copy_from_user(lbuf, ubuf, cnt); if (rc) return -EFAULT; lbuf[cnt] = '\0'; rc = get_parameters(lbuf, param, 2); if (!((param[0] <= SWR_SLV_MAX_REG_ADDR) && (param[1] <= 0xFF) && (rc == 0))) return -EINVAL; swr_write(pdev, pdev->dev_num, param[0], ¶m[1]); if (rc == 0) rc = cnt; else pr_err("%s: rc = %d\n", __func__, rc); return rc; } static const struct file_operations codec_debug_write_ops = { .open = codec_debug_open, .write = codec_debug_write, }; static const struct file_operations codec_debug_read_ops = { .open = codec_debug_open, .read = codec_debug_read, .write = codec_debug_peek_write, }; static const struct file_operations codec_debug_dump_ops = { .open = codec_debug_open, .read = codec_debug_dump, }; #endif static irqreturn_t wsa883x_saf2war_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_war2saf_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_otp_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_ocp_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_clip_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_pdm_wd_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_clk_wd_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_ext_int_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_uvlo_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static irqreturn_t wsa883x_pa_on_err_handle_irq(int irq, void *data) { pr_err_ratelimited("%s: interrupt for irq =%d triggered\n", __func__, irq); return IRQ_HANDLED; } static const char * const wsa_dev_mode_text[] = { "speaker", "receiver", "ultrasound" }; static const struct soc_enum wsa_dev_mode_enum = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wsa_dev_mode_text), wsa_dev_mode_text); static int wsa_dev_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->dev_mode; dev_dbg(component->dev, "%s: mode = 0x%x\n", __func__, wsa883x->dev_mode); return 0; } static int wsa_dev_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); dev_dbg(component->dev, "%s: ucontrol->value.integer.value[0] = %ld\n", __func__, ucontrol->value.integer.value[0]); wsa883x->dev_mode = ucontrol->value.integer.value[0]; return 0; } static const char * const wsa_pa_gain_text[] = { "G_18_DB", "G_16P5_DB", "G_15_DB", "G_13P5_DB", "G_12_DB", "G_10P5_DB", "G_9_DB", "G_7P5_DB", "G_6_DB", "G_4P5_DB", "G_3_DB", "G_1P5_DB", "G_0_DB" }; static const struct soc_enum wsa_pa_gain_enum = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wsa_pa_gain_text), wsa_pa_gain_text); static int wsa_pa_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->pa_gain; dev_dbg(component->dev, "%s: PA gain = 0x%x\n", __func__, wsa883x->pa_gain); return 0; } static int wsa_pa_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); dev_dbg(component->dev, "%s: ucontrol->value.integer.value[0] = %ld\n", __func__, ucontrol->value.integer.value[0]); wsa883x->pa_gain = ucontrol->value.integer.value[0]; return 0; } static int wsa883x_get_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->pa_mute; return 0; } static int wsa883x_set_mute(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int value = ucontrol->value.integer.value[0]; dev_dbg(component->dev, "%s: mute current %d, new %d\n", __func__, wsa883x->pa_mute, value); wsa883x->pa_mute = value; return 0; } static int wsa_get_temp(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); int temp = 0; wsa883x_get_temperature(component, &temp); ucontrol->value.integer.value[0] = temp; return 0; } static ssize_t wsa883x_codec_version_read(struct snd_info_entry *entry, void *file_private_data, struct file *file, char __user *buf, size_t count, loff_t pos) { struct wsa883x_priv *wsa883x; char buffer[WSA883X_VERSION_ENTRY_SIZE]; int len = 0; wsa883x = (struct wsa883x_priv *) entry->private_data; if (!wsa883x) { pr_err("%s: wsa883x priv is null\n", __func__); return -EINVAL; } len = snprintf(buffer, sizeof(buffer), "WSA883X-SOUNDWIRE_1_0\n"); return simple_read_from_buffer(buf, count, &pos, buffer, len); } static struct snd_info_entry_ops wsa883x_codec_info_ops = { .read = wsa883x_codec_version_read, }; /* * wsa883x_codec_info_create_codec_entry - creates wsa883x module * @codec_root: The parent directory * @component: Codec instance * * Creates wsa883x module and version entry under the given * parent directory. * * Return: 0 on success or negative error code on failure. */ int wsa883x_codec_info_create_codec_entry(struct snd_info_entry *codec_root, struct snd_soc_component *component) { struct snd_info_entry *version_entry; struct wsa883x_priv *wsa883x; struct snd_soc_card *card; char name[80]; if (!codec_root || !component) return -EINVAL; wsa883x = snd_soc_component_get_drvdata(component); card = component->card; snprintf(name, sizeof(name), "%s.%x", "wsa883x", (u32)wsa883x->swr_slave->addr); wsa883x->entry = snd_info_create_subdir(codec_root->module, (const char *)name, codec_root); if (!wsa883x->entry) { dev_dbg(component->dev, "%s: failed to create wsa883x entry\n", __func__); return -ENOMEM; } version_entry = snd_info_create_card_entry(card->snd_card, "version", wsa883x->entry); if (!version_entry) { dev_dbg(component->dev, "%s: failed to create wsa883x version entry\n", __func__); return -ENOMEM; } version_entry->private_data = wsa883x; version_entry->size = WSA883X_VERSION_ENTRY_SIZE; version_entry->content = SNDRV_INFO_CONTENT_DATA; version_entry->c.ops = &wsa883x_codec_info_ops; if (snd_info_register(version_entry) < 0) { snd_info_free_entry(version_entry); return -ENOMEM; } wsa883x->version_entry = version_entry; return 0; } EXPORT_SYMBOL(wsa883x_codec_info_create_codec_entry); static void wsa883x_regcache_sync(struct wsa883x_priv *wsa883x) { mutex_lock(&wsa883x->res_lock); regcache_mark_dirty(wsa883x->regmap); regcache_sync(wsa883x->regmap); mutex_unlock(&wsa883x->res_lock); } static int wsa883x_get_compander(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->comp_enable; return 0; } static int wsa883x_set_compander(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int value = ucontrol->value.integer.value[0]; dev_dbg(component->dev, "%s: Compander enable current %d, new %d\n", __func__, wsa883x->comp_enable, value); wsa883x->comp_enable = value; return 0; } static int wsa883x_get_visense(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->visense_enable; return 0; } static int wsa883x_set_visense(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int value = ucontrol->value.integer.value[0]; dev_dbg(component->dev, "%s: VIsense enable current %d, new %d\n", __func__, wsa883x->visense_enable, value); wsa883x->visense_enable = value; return 0; } static int wsa883x_get_ext_vdd_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wsa883x->ext_vdd_spk; return 0; } static int wsa883x_put_ext_vdd_spk(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int value = ucontrol->value.integer.value[0]; dev_dbg(component->dev, "%s: Ext VDD SPK enable current %d, new %d\n", __func__, wsa883x->ext_vdd_spk, value); wsa883x->ext_vdd_spk = value; return 0; } static const struct snd_kcontrol_new wsa883x_snd_controls[] = { SOC_ENUM_EXT("WSA PA Gain", wsa_pa_gain_enum, wsa_pa_gain_get, wsa_pa_gain_put), SOC_SINGLE_EXT("WSA PA Mute", SND_SOC_NOPM, 0, 1, 0, wsa883x_get_mute, wsa883x_set_mute), SOC_SINGLE_EXT("WSA Temp", SND_SOC_NOPM, 0, 1, 0, wsa_get_temp, NULL), SOC_ENUM_EXT("WSA MODE", wsa_dev_mode_enum, wsa_dev_mode_get, wsa_dev_mode_put), SOC_SINGLE_EXT("COMP Switch", SND_SOC_NOPM, 0, 1, 0, wsa883x_get_compander, wsa883x_set_compander), SOC_SINGLE_EXT("VISENSE Switch", SND_SOC_NOPM, 0, 1, 0, wsa883x_get_visense, wsa883x_set_visense), SOC_SINGLE_EXT("External VDD_SPK", SND_SOC_NOPM, 0, 1, 0, wsa883x_get_ext_vdd_spk, wsa883x_put_ext_vdd_spk), }; static const struct snd_kcontrol_new swr_dac_port[] = { SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) }; static int wsa883x_set_port(struct snd_soc_component *component, int port_idx, u8 *port_id, u8 *num_ch, u8 *ch_mask, u32 *ch_rate, u8 *port_type) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); *port_id = wsa883x->port[port_idx].port_id; *num_ch = wsa883x->port[port_idx].num_ch; *ch_mask = wsa883x->port[port_idx].ch_mask; *ch_rate = wsa883x->port[port_idx].ch_rate; *port_type = wsa883x->port[port_idx].port_type; return 0; } static int wsa883x_enable_swr_dac_port(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 wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); u8 port_id[WSA883X_MAX_SWR_PORTS]; u8 num_ch[WSA883X_MAX_SWR_PORTS]; u8 ch_mask[WSA883X_MAX_SWR_PORTS]; u32 ch_rate[WSA883X_MAX_SWR_PORTS]; u8 port_type[WSA883X_MAX_SWR_PORTS]; u8 num_port = 0; dev_dbg(component->dev, "%s: event %d name %s\n", __func__, event, w->name); if (wsa883x == NULL) return -EINVAL; switch (event) { case SND_SOC_DAPM_PRE_PMU: wsa883x_set_port(component, SWR_DAC_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; if (wsa883x->comp_enable) { wsa883x_set_port(component, SWR_COMP_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; } if (wsa883x->visense_enable) { wsa883x_set_port(component, SWR_VISENSE_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; } swr_connect_port(wsa883x->swr_slave, &port_id[0], num_port, &ch_mask[0], &ch_rate[0], &num_ch[0], &port_type[0]); break; case SND_SOC_DAPM_POST_PMU: swr_slvdev_datapath_control(wsa883x->swr_slave, wsa883x->swr_slave->dev_num, true); break; case SND_SOC_DAPM_PRE_PMD: swr_slvdev_datapath_control(wsa883x->swr_slave, wsa883x->swr_slave->dev_num, false); break; case SND_SOC_DAPM_POST_PMD: wsa883x_set_port(component, SWR_DAC_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; if (wsa883x->comp_enable) { wsa883x_set_port(component, SWR_COMP_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; } if (wsa883x->visense_enable) { wsa883x_set_port(component, SWR_VISENSE_PORT, &port_id[num_port], &num_ch[num_port], &ch_mask[num_port], &ch_rate[num_port], &port_type[num_port]); ++num_port; } swr_disconnect_port(wsa883x->swr_slave, &port_id[0], num_port, &ch_mask[0], &port_type[0]); break; default: break; } return 0; } static int wsa883x_spkr_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 wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int min_gain, max_gain; dev_dbg(component->dev, "%s: %s %d\n", __func__, w->name, event); switch (event) { case SND_SOC_DAPM_PRE_PMU: /* TODO Vote for Global PA */ break; case SND_SOC_DAPM_POST_PMU: /* Force remove group */ swr_remove_from_group(wsa883x->swr_slave, wsa883x->swr_slave->dev_num); break; case SND_SOC_DAPM_POST_PMD: /* TODO Unvote for Global PA */ break; } return 0; } static const struct snd_soc_dapm_widget wsa883x_dapm_widgets[] = { SND_SOC_DAPM_INPUT("IN"), SND_SOC_DAPM_MIXER_E("SWR DAC_Port", SND_SOC_NOPM, 0, 0, swr_dac_port, ARRAY_SIZE(swr_dac_port), wsa883x_enable_swr_dac_port, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SPK("SPKR", wsa883x_spkr_event), }; static const struct snd_soc_dapm_route wsa883x_audio_map[] = { {"SWR DAC_Port", "Switch", "IN"}, {"SPKR", NULL, "SWR DAC_Port"}, }; int wsa883x_set_channel_map(struct snd_soc_component *component, u8 *port, u8 num_port, unsigned int *ch_mask, unsigned int *ch_rate, u8 *port_type) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); int i; if (!port || !ch_mask || !ch_rate || (num_port > WSA883X_MAX_SWR_PORTS)) { dev_err(component->dev, "%s: Invalid port=%pK, ch_mask=%pK, ch_rate=%pK\n", __func__, port, ch_mask, ch_rate); return -EINVAL; } for (i = 0; i < num_port; i++) { wsa883x->port[i].port_id = port[i]; wsa883x->port[i].ch_mask = ch_mask[i]; wsa883x->port[i].ch_rate = ch_rate[i]; wsa883x->port[i].num_ch = __sw_hweight8(ch_mask[i]); if (port_type) wsa883x->port[i].port_type = port_type[i]; } return 0; } EXPORT_SYMBOL(wsa883x_set_channel_map); static void wsa883x_codec_init(struct snd_soc_component *component) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); if (!wsa883x) return; } static int32_t wsa883x_temp_reg_read(struct snd_soc_component *component, struct wsa_temp_register *wsa_temp_reg) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); if (!wsa883x) { dev_err(component->dev, "%s: wsa883x is NULL\n", __func__); return -EINVAL; } mutex_lock(&wsa883x->res_lock); /* TODO Vote for global PA */ snd_soc_component_update_bits(component, WSA883X_TADC_VALUE_CTL, 0x01, 0x00); wsa_temp_reg->dmeas_msb = snd_soc_component_read32( component, WSA883X_TEMP_MSB); wsa_temp_reg->dmeas_lsb = snd_soc_component_read32( component, WSA883X_TEMP_LSB); snd_soc_component_update_bits(component, WSA883X_TADC_VALUE_CTL, 0x01, 0x01); wsa_temp_reg->d1_msb = snd_soc_component_read32( component, WSA883X_OTP_REG_1); wsa_temp_reg->d1_lsb = snd_soc_component_read32( component, WSA883X_OTP_REG_2); wsa_temp_reg->d2_msb = snd_soc_component_read32( component, WSA883X_OTP_REG_3); wsa_temp_reg->d2_lsb = snd_soc_component_read32( component, WSA883X_OTP_REG_4); /* TODO Unvote for global PA */ mutex_unlock(&wsa883x->res_lock); return 0; } static int wsa883x_get_temperature(struct snd_soc_component *component, int *temp) { struct snd_soc_component *component; struct wsa_temp_register reg; int dmeas, d1, d2; int ret = 0; int temp_val = 0; int t1 = T1_TEMP; int t2 = T2_TEMP; u8 retry = WSA883X_TEMP_RETRY; struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); if (!wsa883x) return -EINVAL; do { ret = wsa883x_temp_reg_read(component, ®) if (ret) { pr_err("%s: temp read failed: %d, current temp: %d\n", __func__, ret, wsa883x->curr_temp); if (temp) *temp = wsa883x->curr_temp; return 0; } /* * Temperature register values are expected to be in the * following range. * d1_msb = 68 - 92 and d1_lsb = 0, 64, 128, 192 * d2_msb = 185 -218 and d2_lsb = 0, 64, 128, 192 */ if ((reg.d1_msb < 68 || reg.d1_msb > 92) || (!(reg.d1_lsb == 0 || reg.d1_lsb == 64 || reg.d1_lsb == 128 || reg.d1_lsb == 192)) || (reg.d2_msb < 185 || reg.d2_msb > 218) || (!(reg.d2_lsb == 0 || reg.d2_lsb == 64 || reg.d2_lsb == 128 || reg.d2_lsb == 192))) { printk_ratelimited("%s: Temperature registers[%d %d %d %d] are out of range\n", __func__, reg.d1_msb, reg.d1_lsb, reg.d2_msb, reg.d2_lsb); } dmeas = ((reg.dmeas_msb << 0x8) | reg.dmeas_lsb) >> 0x6; d1 = ((reg.d1_msb << 0x8) | reg.d1_lsb) >> 0x6; d2 = ((reg.d2_msb << 0x8) | reg.d2_lsb) >> 0x6; if (d1 == d2) temp_val = TEMP_INVALID; else temp_val = t1 + (((dmeas - d1) * (t2 - t1))/(d2 - d1)); if (temp_val <= LOW_TEMP_THRESHOLD || temp_val >= HIGH_TEMP_THRESHOLD) { pr_debug("%s: T0: %d is out of range[%d, %d]\n", __func__, temp_val, LOW_TEMP_THRESHOLD, HIGH_TEMP_THRESHOLD); if (retry--) msleep(10); } else { break; } } while (retry); wsa883x->curr_temp = temp_val; if (temp) *temp = temp_val; pr_debug("%s: t0 measured: %d dmeas = %d, d1 = %d, d2 = %d\n", __func__, temp_val, dmeas, d1, d2); return ret; } static int wsa883x_codec_probe(struct snd_soc_component *component) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); struct swr_device *dev; if (!wsa883x) return -EINVAL; snd_soc_component_init_regmap(component, wsa883x->regmap); dev = wsa883x->swr_slave; wsa883x->component = component; wsa883x_codec_init(component); wsa883x->global_pa_cnt = 0; return 0; } static void wsa883x_codec_remove(struct snd_soc_component *component) { struct wsa883x_priv *wsa883x = snd_soc_component_get_drvdata(component); if (!wsa883x) return; snd_soc_component_exit_regmap(component); return; } static const struct snd_soc_component_driver soc_codec_dev_wsa883x = { .name = DRV_NAME, .probe = wsa883x_codec_probe, .remove = wsa883x_codec_remove, .controls = wsa883x_snd_controls, .num_controls = ARRAY_SIZE(wsa883x_snd_controls), .dapm_widgets = wsa883x_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wsa883x_dapm_widgets), .dapm_routes = wsa883x_audio_map, .num_dapm_routes = ARRAY_SIZE(wsa883x_audio_map), }; static int wsa883x_gpio_ctrl(struct wsa883x_priv *wsa883x, bool enable) { int ret = 0; if (enable) ret = msm_cdc_pinctrl_select_active_state( wsa883x->wsa_rst_np); else ret = msm_cdc_pinctrl_select_sleep_state( wsa883x->wsa_rst_np); if (ret != 0) dev_err(wsa883x->dev, "%s: Failed to turn state %d; ret=%d\n", __func__, enable, ret); return ret; } static int wsa883x_swr_probe(struct swr_device *pdev) { int ret = 0; struct wsa883x_priv *wsa883x; u8 devnum = 0; bool pin_state_current = false; wsa883x = devm_kzalloc(&pdev->dev, sizeof(struct wsa883x_priv), GFP_KERNEL); if (!wsa883x) return -ENOMEM; wsa883x->wsa_rst_np = of_parse_phandle(pdev->dev.of_node, "qcom,spkr-sd-n-node", 0); if (!wsa883x->wsa_rst_np) { dev_dbg(&pdev->dev, "%s: pinctrl not defined\n", __func__); goto err; } swr_set_dev_data(pdev, wsa883x); wsa883x->swr_slave = pdev; pin_state_current = msm_cdc_pinctrl_get_state(wsa883x->wsa_rst_np); wsa883x_gpio_ctrl(wsa883x, true); /* * Add 5msec delay to provide sufficient time for * soundwire auto enumeration of slave devices as * as per HW requirement. */ usleep_range(5000, 5010); ret = swr_get_logical_dev_num(pdev, pdev->addr, &devnum); if (ret) { dev_dbg(&pdev->dev, "%s get devnum %d for dev addr %lx failed\n", __func__, devnum, pdev->addr); goto dev_err; } pdev->dev_num = devnum; wsa883x->regmap = devm_regmap_init_swr(pdev, &wsa883x_regmap_config); if (IS_ERR(wsa883x->regmap)) { ret = PTR_ERR(wsa883x->regmap); dev_err(&pdev->dev, "%s: regmap_init failed %d\n", __func__, ret); goto dev_err; } /* Set all interrupts as edge triggered */ for (i = 0; i < wsa883x_regmap_irq_chip.num_regs; i++) regmap_write(wsa883x->regmap, (WSA883X_INTR_LEVEL0 + i), 0); wsa883x_regmap_irq_chip.irq_drv_data = wsa883x; wsa883x->irq_info.wcd_regmap_irq_chip = &wsa883x_regmap_irq_chip; wsa883x->irq_info.codec_name = "WSA883X"; wsa883x->irq_info.regmap = wsa883x->regmap; wsa883x->irq_info.dev = dev; ret = wcd_irq_init(&wsa883x->irq_info, &wsa883x->virq); if (ret) { dev_err(wsa883x->dev, "%s: IRQ init failed: %d\n", __func__, ret); goto dev_err; } wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, "WSA SAF2WAR", wsa883x_saf2war_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, "WSA WAR2SAF", wsa883x_war2saf_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, "WSA OTP", wsa883x_otp_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, "WSA OCP", wsa883x_ocp_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, "WSA CLIP", wsa883x_clip_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, "WSA PDM WD", wsa883x_pdm_wd_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, "WSA CLK WD", wsa883x_clk_wd_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, "WSA EXT INT", wsa883x_ext_int_handle_irq, NULL); /* Under Voltage Lock out (UVLO) interrupt handle */ wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, "WSA UVLO", wsa883x_uvlo_handle_irq, NULL); wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, "WSA PA ERR", wsa883x_pa_on_err_handle_irq, NULL); ret = snd_soc_register_component(&pdev->dev, &soc_codec_dev_wsa883x, NULL, 0); if (ret) { dev_err(&pdev->dev, "%s: Codec registration failed\n", __func__); goto err_irq; } mutex_init(&wsa883x->res_lock); #ifdef CONFIG_DEBUG_FS if (!wsa883x->debugfs_dent) { wsa883x->debugfs_dent = debugfs_create_dir( dev_name(&pdev->dev), 0); if (!IS_ERR(wsa883x->debugfs_dent)) { wsa883x->debugfs_peek = debugfs_create_file("swrslave_peek", S_IFREG | 0444, wsa883x->debugfs_dent, (void *) pdev, &codec_debug_read_ops); wsa883x->debugfs_poke = debugfs_create_file("swrslave_poke", S_IFREG | 0444, wsa883x->debugfs_dent, (void *) pdev, &codec_debug_write_ops); wsa883x->debugfs_reg_dump = debugfs_create_file( "swrslave_reg_dump", S_IFREG | 0444, wsa883x->debugfs_dent, (void *) pdev, &codec_debug_dump_ops); } } #endif return 0; err_irq: wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL); wcd_irq_exit(&wsa883x->irq_info, wsa883x->virq); dev_err: if (pin_state_current == false) wsa883x_gpio_ctrl(wsa883x, false); swr_remove_device(pdev); err: return ret; } static int wsa883x_swr_remove(struct swr_device *pdev) { struct wsa883x_priv *wsa883x; wsa883x = swr_get_dev_data(pdev); if (!wsa883x) { dev_err(&pdev->dev, "%s: wsa883x is NULL\n", __func__); return -EINVAL; } wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL); wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL); #ifdef CONFIG_DEBUG_FS debugfs_remove_recursive(wsa883x->debugfs_dent); wsa883x->debugfs_dent = NULL; #endif mutex_destroy(&wsa883x->res_lock); snd_soc_unregister_component(&pdev->dev); swr_set_dev_data(pdev, NULL); return 0; } #ifdef CONFIG_PM_SLEEP static int wsa883x_swr_suspend(struct device *dev) { dev_dbg(dev, "%s: system suspend\n", __func__); return 0; } static int wsa883x_swr_resume(struct device *dev) { struct wsa883x_priv *wsa883x = swr_get_dev_data(to_swr_device(dev)); if (!wsa883x) { dev_err(dev, "%s: wsa883x private data is NULL\n", __func__); return -EINVAL; } dev_dbg(dev, "%s: system resume\n", __func__); return 0; } #endif /* CONFIG_PM_SLEEP */ static const struct dev_pm_ops wsa883x_swr_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(wsa883x_swr_suspend, wsa883x_swr_resume) }; static const struct swr_device_id wsa883x_swr_id[] = { {"wsa883x", 0}, {} }; static const struct of_device_id wsa883x_swr_dt_match[] = { { .compatible = "qcom,wsa883x", }, {} }; static struct swr_driver wsa883x_swr_driver = { .driver = { .name = "wsa883x", .owner = THIS_MODULE, .pm = &wsa883x_swr_pm_ops, .of_match_table = wsa883x_swr_dt_match, }, .probe = wsa883x_swr_probe, .remove = wsa883x_swr_remove, .id_table = wsa883x_swr_id, }; static int __init wsa883x_swr_init(void) { return swr_driver_register(&wsa883x_swr_driver); } static void __exit wsa883x_swr_exit(void) { swr_driver_unregister(&wsa883x_swr_driver); } module_init(wsa883x_swr_init); module_exit(wsa883x_swr_exit); MODULE_DESCRIPTION("WSA883x codec driver"); MODULE_LICENSE("GPL v2");