--- /dev/null
+/*
+ * wm8958-dsp2.c -- WM8958 DSP2 support
+ *
+ * Copyright 2011 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <trace/events/asoc.h>
+
+#include <linux/mfd/wm8994/core.h>
+#include <linux/mfd/wm8994/registers.h>
+#include <linux/mfd/wm8994/pdata.h>
+#include <linux/mfd/wm8994/gpio.h>
+
+#include "wm8994.h"
+
+#define WM_FW_BLOCK_INFO 0xff
+#define WM_FW_BLOCK_PM 0x00
+#define WM_FW_BLOCK_X 0x01
+#define WM_FW_BLOCK_Y 0x02
+#define WM_FW_BLOCK_Z 0x03
+#define WM_FW_BLOCK_I 0x06
+#define WM_FW_BLOCK_A 0x08
+#define WM_FW_BLOCK_C 0x0c
+
+static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
+ const struct firmware *fw, bool check)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ u64 data64;
+ u32 data32;
+ const u8 *data;
+ char *str;
+ size_t block_len, len;
+ int ret = 0;
+
+ /* Suppress unneeded downloads */
+ if (wm8994->cur_fw == fw)
+ return 0;
+
+ if (fw->size < 32) {
+ dev_err(codec->dev, "%s: firmware too short (%zd bytes)\n",
+ name, fw->size);
+ goto err;
+ }
+
+ if (memcmp(fw->data, "WMFW", 4) != 0) {
+ memcpy(&data32, fw->data, sizeof(data32));
+ data32 = be32_to_cpu(data32);
+ dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
+ name, data32);
+ goto err;
+ }
+
+ memcpy(&data32, fw->data + 4, sizeof(data32));
+ len = be32_to_cpu(data32);
+
+ memcpy(&data32, fw->data + 8, sizeof(data32));
+ data32 = be32_to_cpu(data32);
+ if ((data32 >> 24) & 0xff) {
+ dev_err(codec->dev, "%s: unsupported firmware version %d\n",
+ name, (data32 >> 24) & 0xff);
+ goto err;
+ }
+ if ((data32 & 0xffff) != 8958) {
+ dev_err(codec->dev, "%s: unsupported target device %d\n",
+ name, data32 & 0xffff);
+ goto err;
+ }
+ if (((data32 >> 16) & 0xff) != 0xc) {
+ dev_err(codec->dev, "%s: unsupported target core %d\n",
+ name, (data32 >> 16) & 0xff);
+ goto err;
+ }
+
+ if (check) {
+ memcpy(&data64, fw->data + 24, sizeof(u64));
+ dev_info(codec->dev, "%s timestamp %llx\n",
+ name, be64_to_cpu(data64));
+ } else {
+ snd_soc_write(codec, 0x102, 0x2);
+ snd_soc_write(codec, 0x900, 0x2);
+ }
+
+ data = fw->data + len;
+ len = fw->size - len;
+ while (len) {
+ if (len < 12) {
+ dev_err(codec->dev, "%s short data block of %zd\n",
+ name, len);
+ goto err;
+ }
+
+ memcpy(&data32, data + 4, sizeof(data32));
+ block_len = be32_to_cpu(data32);
+ if (block_len + 8 > len) {
+ dev_err(codec->dev, "%zd byte block longer than file\n",
+ block_len);
+ goto err;
+ }
+ if (block_len == 0) {
+ dev_err(codec->dev, "Zero length block\n");
+ goto err;
+ }
+
+ memcpy(&data32, data, sizeof(data32));
+ data32 = be32_to_cpu(data32);
+
+ switch ((data32 >> 24) & 0xff) {
+ case WM_FW_BLOCK_INFO:
+ /* Informational text */
+ if (!check)
+ break;
+
+ str = kzalloc(block_len + 1, GFP_KERNEL);
+ if (str) {
+ memcpy(str, data + 8, block_len);
+ dev_info(codec->dev, "%s: %s\n", name, str);
+ kfree(str);
+ } else {
+ dev_err(codec->dev, "Out of memory\n");
+ }
+ break;
+ case WM_FW_BLOCK_PM:
+ case WM_FW_BLOCK_X:
+ case WM_FW_BLOCK_Y:
+ case WM_FW_BLOCK_Z:
+ case WM_FW_BLOCK_I:
+ case WM_FW_BLOCK_A:
+ case WM_FW_BLOCK_C:
+ dev_dbg(codec->dev, "%s: %zd bytes of %x@%x\n", name,
+ block_len, (data32 >> 24) & 0xff,
+ data32 & 0xffffff);
+
+ if (check)
+ break;
+
+ data32 &= 0xffffff;
+
+ wm8994_bulk_write(wm8994->wm8994,
+ data32 & 0xffffff,
+ block_len / 2,
+ (void *)(data + 8));
+
+ break;
+ default:
+ dev_warn(codec->dev, "%s: unknown block type %d\n",
+ name, (data32 >> 24) & 0xff);
+ break;
+ }
+
+ /* Round up to the next 32 bit word */
+ block_len += block_len % 4;
+
+ data += block_len + 8;
+ len -= block_len + 8;
+ }
+
+ if (!check) {
+ dev_dbg(codec->dev, "%s: download done\n", name);
+ wm8994->cur_fw = fw;
+ } else {
+ dev_info(codec->dev, "%s: got firmware\n", name);
+ }
+
+ goto ok;
+
+err:
+ ret = -EINVAL;
+ok:
+ if (!check) {
+ snd_soc_write(codec, 0x900, 0x0);
+ snd_soc_write(codec, 0x102, 0x0);
+ }
+
+ return ret;
+}
+
+static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int i;
+
+ /* If the DSP is already running then noop */
+ if (snd_soc_read(codec, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
+ return;
+
+ /* If we have MBC firmware download it */
+ if (wm8994->mbc)
+ wm8958_dsp2_fw(codec, "MBC", wm8994->mbc, false);
+
+ snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
+ WM8958_DSP2_ENA, WM8958_DSP2_ENA);
+
+ /* If we've got user supplied MBC settings use them */
+ if (control->pdata.num_mbc_cfgs) {
+ struct wm8958_mbc_cfg *cfg
+ = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
+
+ for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
+ snd_soc_write(codec, i + WM8958_MBC_BAND_1_K_1,
+ cfg->coeff_regs[i]);
+
+ for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
+ snd_soc_write(codec,
+ i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
+ cfg->cutoff_regs[i]);
+ }
+
+ /* Run the DSP */
+ snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
+ WM8958_DSP2_RUNR);
+
+ /* And we're off! */
+ snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
+ WM8958_MBC_ENA |
+ WM8958_MBC_SEL_MASK,
+ path << WM8958_MBC_SEL_SHIFT |
+ WM8958_MBC_ENA);
+}
+
+static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int i, ena;
+
+ if (wm8994->mbc_vss)
+ wm8958_dsp2_fw(codec, "MBC+VSS", wm8994->mbc_vss, false);
+
+ snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
+ WM8958_DSP2_ENA, WM8958_DSP2_ENA);
+
+ /* If we've got user supplied settings use them */
+ if (control->pdata.num_mbc_cfgs) {
+ struct wm8958_mbc_cfg *cfg
+ = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
+
+ for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
+ snd_soc_write(codec, i + 0x2800,
+ cfg->combined_regs[i]);
+ }
+
+ if (control->pdata.num_vss_cfgs) {
+ struct wm8958_vss_cfg *cfg
+ = &control->pdata.vss_cfgs[wm8994->vss_cfg];
+
+ for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
+ snd_soc_write(codec, i + 0x2600, cfg->regs[i]);
+ }
+
+ if (control->pdata.num_vss_hpf_cfgs) {
+ struct wm8958_vss_hpf_cfg *cfg
+ = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
+
+ for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
+ snd_soc_write(codec, i + 0x2400, cfg->regs[i]);
+ }
+
+ /* Run the DSP */
+ snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
+ WM8958_DSP2_RUNR);
+
+ /* Enable the algorithms we've selected */
+ ena = 0;
+ if (wm8994->mbc_ena[path])
+ ena |= 0x8;
+ if (wm8994->hpf2_ena[path])
+ ena |= 0x4;
+ if (wm8994->hpf1_ena[path])
+ ena |= 0x2;
+ if (wm8994->vss_ena[path])
+ ena |= 0x1;
+
+ snd_soc_write(codec, 0x2201, ena);
+
+ /* Switch the DSP into the data path */
+ snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
+ WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
+ path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
+}
+
+static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int i;
+
+ wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
+
+ snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
+ WM8958_DSP2_ENA, WM8958_DSP2_ENA);
+
+ /* If we've got user supplied settings use them */
+ if (control->pdata.num_enh_eq_cfgs) {
+ struct wm8958_enh_eq_cfg *cfg
+ = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
+
+ for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
+ snd_soc_write(codec, i + 0x2200,
+ cfg->regs[i]);
+ }
+
+ /* Run the DSP */
+ snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
+ WM8958_DSP2_RUNR);
+
+ /* Switch the DSP into the data path */
+ snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
+ WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
+ path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
+}
+
+static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ int pwr_reg = snd_soc_read(codec, WM8994_POWER_MANAGEMENT_5);
+ int ena, reg, aif;
+
+ switch (path) {
+ case 0:
+ pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
+ aif = 0;
+ break;
+ case 1:
+ pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
+ aif = 0;
+ break;
+ case 2:
+ pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
+ aif = 1;
+ break;
+ default:
+ WARN(1, "Invalid path %d\n", path);
+ return;
+ }
+
+ /* Do we have both an active AIF and an active algorithm? */
+ ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
+ wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
+ wm8994->enh_eq_ena[path];
+ if (!pwr_reg)
+ ena = 0;
+
+ reg = snd_soc_read(codec, WM8958_DSP2_PROGRAM);
+
+ dev_dbg(codec->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
+ path, wm8994->dsp_active, start, pwr_reg, reg);
+
+ if (start && ena) {
+ /* If the DSP is already running then noop */
+ if (reg & WM8958_DSP2_ENA)
+ return;
+
+ /* If either AIFnCLK is not yet enabled postpone */
+ if (!(snd_soc_read(codec, WM8994_AIF1_CLOCKING_1)
+ & WM8994_AIF1CLK_ENA_MASK) &&
+ !(snd_soc_read(codec, WM8994_AIF2_CLOCKING_1)
+ & WM8994_AIF2CLK_ENA_MASK))
+ return;
+
+ /* Switch the clock over to the appropriate AIF */
+ snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+ WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
+ aif << WM8958_DSP2CLK_SRC_SHIFT |
+ WM8958_DSP2CLK_ENA);
+
+ if (wm8994->enh_eq_ena[path])
+ wm8958_dsp_start_enh_eq(codec, path);
+ else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
+ wm8994->hpf2_ena[path])
+ wm8958_dsp_start_vss(codec, path);
+ else if (wm8994->mbc_ena[path])
+ wm8958_dsp_start_mbc(codec, path);
+
+ wm8994->dsp_active = path;
+
+ dev_dbg(codec->dev, "DSP running in path %d\n", path);
+ }
+
+ if (!start && wm8994->dsp_active == path) {
+ /* If the DSP is already stopped then noop */
+ if (!(reg & WM8958_DSP2_ENA))
+ return;
+
+ snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
+ WM8958_MBC_ENA, 0);
+ snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
+ WM8958_DSP2_STOP);
+ snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
+ WM8958_DSP2_ENA, 0);
+ snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+ WM8958_DSP2CLK_ENA, 0);
+
+ wm8994->dsp_active = -1;
+
+ dev_dbg(codec->dev, "DSP stopped\n");
+ }
+}
+
+int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ int i;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ case SND_SOC_DAPM_PRE_PMU:
+ for (i = 0; i < 3; i++)
+ wm8958_dsp_apply(codec, i, 1);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ case SND_SOC_DAPM_PRE_PMD:
+ for (i = 0; i < 3; i++)
+ wm8958_dsp_apply(codec, i, 0);
+ break;
+ }
+
+ return 0;
+}
+
+/* Check if DSP2 is in use on another AIF */
+static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
+ if (i == aif)
+ continue;
+ if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
+ wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
+ return 1;
+ }
+
+ return 0;
+}
+
+static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int value = ucontrol->value.integer.value[0];
+ int reg;
+
+ /* Don't allow on the fly reconfiguration */
+ reg = snd_soc_read(codec, WM8994_CLOCKING_1);
+ if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
+ return -EBUSY;
+
+ if (value >= control->pdata.num_mbc_cfgs)
+ return -EINVAL;
+
+ wm8994->mbc_cfg = value;
+
+ return 0;
+}
+
+static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
+
+ return 0;
+}
+
+static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int mbc = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
+
+ return 0;
+}
+
+static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int mbc = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
+ return 0;
+
+ if (ucontrol->value.integer.value[0] > 1)
+ return -EINVAL;
+
+ if (wm8958_dsp2_busy(wm8994, mbc)) {
+ dev_dbg(codec->dev, "DSP2 active on %d already\n", mbc);
+ return -EBUSY;
+ }
+
+ if (wm8994->enh_eq_ena[mbc])
+ return -EBUSY;
+
+ wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
+
+ wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
+
+ return 0;
+}
+
+#define WM8958_MBC_SWITCH(xname, xval) {\
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .info = wm8958_mbc_info, \
+ .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
+ .private_value = xval }
+
+static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int value = ucontrol->value.integer.value[0];
+ int reg;
+
+ /* Don't allow on the fly reconfiguration */
+ reg = snd_soc_read(codec, WM8994_CLOCKING_1);
+ if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
+ return -EBUSY;
+
+ if (value >= control->pdata.num_vss_cfgs)
+ return -EINVAL;
+
+ wm8994->vss_cfg = value;
+
+ return 0;
+}
+
+static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
+
+ return 0;
+}
+
+static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int value = ucontrol->value.integer.value[0];
+ int reg;
+
+ /* Don't allow on the fly reconfiguration */
+ reg = snd_soc_read(codec, WM8994_CLOCKING_1);
+ if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
+ return -EBUSY;
+
+ if (value >= control->pdata.num_vss_hpf_cfgs)
+ return -EINVAL;
+
+ wm8994->vss_hpf_cfg = value;
+
+ return 0;
+}
+
+static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
+
+ return 0;
+}
+
+static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int vss = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
+
+ return 0;
+}
+
+static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int vss = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
+ return 0;
+
+ if (ucontrol->value.integer.value[0] > 1)
+ return -EINVAL;
+
+ if (!wm8994->mbc_vss)
+ return -ENODEV;
+
+ if (wm8958_dsp2_busy(wm8994, vss)) {
+ dev_dbg(codec->dev, "DSP2 active on %d already\n", vss);
+ return -EBUSY;
+ }
+
+ if (wm8994->enh_eq_ena[vss])
+ return -EBUSY;
+
+ wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
+
+ wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
+
+ return 0;
+}
+
+
+#define WM8958_VSS_SWITCH(xname, xval) {\
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .info = wm8958_vss_info, \
+ .get = wm8958_vss_get, .put = wm8958_vss_put, \
+ .private_value = xval }
+
+static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int hpf = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (hpf < 3)
+ ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
+ else
+ ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
+
+ return 0;
+}
+
+static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int hpf = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (hpf < 3) {
+ if (wm8994->hpf1_ena[hpf % 3] ==
+ ucontrol->value.integer.value[0])
+ return 0;
+ } else {
+ if (wm8994->hpf2_ena[hpf % 3] ==
+ ucontrol->value.integer.value[0])
+ return 0;
+ }
+
+ if (ucontrol->value.integer.value[0] > 1)
+ return -EINVAL;
+
+ if (!wm8994->mbc_vss)
+ return -ENODEV;
+
+ if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
+ dev_dbg(codec->dev, "DSP2 active on %d already\n", hpf);
+ return -EBUSY;
+ }
+
+ if (wm8994->enh_eq_ena[hpf % 3])
+ return -EBUSY;
+
+ if (hpf < 3)
+ wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
+ else
+ wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
+
+ wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);
+
+ return 0;
+}
+
+#define WM8958_HPF_SWITCH(xname, xval) {\
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .info = wm8958_hpf_info, \
+ .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
+ .private_value = xval }
+
+static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ int value = ucontrol->value.integer.value[0];
+ int reg;
+
+ /* Don't allow on the fly reconfiguration */
+ reg = snd_soc_read(codec, WM8994_CLOCKING_1);
+ if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
+ return -EBUSY;
+
+ if (value >= control->pdata.num_enh_eq_cfgs)
+ return -EINVAL;
+
+ wm8994->enh_eq_cfg = value;
+
+ return 0;
+}
+
+static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
+
+ return 0;
+}
+
+static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int eq = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
+
+ return 0;
+}
+
+static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int eq = kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
+ return 0;
+
+ if (ucontrol->value.integer.value[0] > 1)
+ return -EINVAL;
+
+ if (!wm8994->enh_eq)
+ return -ENODEV;
+
+ if (wm8958_dsp2_busy(wm8994, eq)) {
+ dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
+ return -EBUSY;
+ }
+
+ if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
+ wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
+ return -EBUSY;
+
+ wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
+
+ wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
+
+ return 0;
+}
+
+#define WM8958_ENH_EQ_SWITCH(xname, xval) {\
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .info = wm8958_enh_eq_info, \
+ .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
+ .private_value = xval }
+
+static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
+WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
+WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
+WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
+};
+
+static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
+WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
+WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
+WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
+WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
+WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
+WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
+WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
+WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
+WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
+};
+
+static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
+WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
+WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
+WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
+};
+
+static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
+{
+ struct snd_soc_codec *codec = context;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
+ mutex_lock(&wm8994->fw_lock);
+ wm8994->enh_eq = fw;
+ mutex_unlock(&wm8994->fw_lock);
+ }
+}
+
+static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
+{
+ struct snd_soc_codec *codec = context;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) {
+ mutex_lock(&wm8994->fw_lock);
+ wm8994->mbc_vss = fw;
+ mutex_unlock(&wm8994->fw_lock);
+ }
+}
+
+static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
+{
+ struct snd_soc_codec *codec = context;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+ if (fw && (wm8958_dsp2_fw(codec, "MBC", fw, true) == 0)) {
+ mutex_lock(&wm8994->fw_lock);
+ wm8994->mbc = fw;
+ mutex_unlock(&wm8994->fw_lock);
+ }
+}
+
+void wm8958_dsp2_init(struct snd_soc_codec *codec)
+{
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ struct wm8994 *control = wm8994->wm8994;
+ struct wm8994_pdata *pdata = &control->pdata;
+ int ret, i;
+
+ wm8994->dsp_active = -1;
+
+ snd_soc_add_codec_controls(codec, wm8958_mbc_snd_controls,
+ ARRAY_SIZE(wm8958_mbc_snd_controls));
+ snd_soc_add_codec_controls(codec, wm8958_vss_snd_controls,
+ ARRAY_SIZE(wm8958_vss_snd_controls));
+ snd_soc_add_codec_controls(codec, wm8958_enh_eq_snd_controls,
+ ARRAY_SIZE(wm8958_enh_eq_snd_controls));
+
+
+ /* We don't *require* firmware and don't want to delay boot */
+ request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+ "wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
+ codec, wm8958_mbc_loaded);
+ request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+ "wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
+ codec, wm8958_mbc_vss_loaded);
+ request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+ "wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
+ codec, wm8958_enh_eq_loaded);
+
+ if (pdata->num_mbc_cfgs) {
+ struct snd_kcontrol_new control[] = {
+ SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
+ wm8958_get_mbc_enum, wm8958_put_mbc_enum),
+ };
+
+ /* We need an array of texts for the enum API */
+ wm8994->mbc_texts = kmalloc(sizeof(char *)
+ * pdata->num_mbc_cfgs, GFP_KERNEL);
+ if (!wm8994->mbc_texts)
+ return;
+
+ for (i = 0; i < pdata->num_mbc_cfgs; i++)
+ wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
+
+ wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
+ wm8994->mbc_enum.texts = wm8994->mbc_texts;
+
+ ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
+ control, 1);
+ if (ret != 0)
+ dev_err(wm8994->hubs.codec->dev,
+ "Failed to add MBC mode controls: %d\n", ret);
+ }
+
+ if (pdata->num_vss_cfgs) {
+ struct snd_kcontrol_new control[] = {
+ SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
+ wm8958_get_vss_enum, wm8958_put_vss_enum),
+ };
+
+ /* We need an array of texts for the enum API */
+ wm8994->vss_texts = kmalloc(sizeof(char *)
+ * pdata->num_vss_cfgs, GFP_KERNEL);
+ if (!wm8994->vss_texts)
+ return;
+
+ for (i = 0; i < pdata->num_vss_cfgs; i++)
+ wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
+
+ wm8994->vss_enum.items = pdata->num_vss_cfgs;
+ wm8994->vss_enum.texts = wm8994->vss_texts;
+
+ ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
+ control, 1);
+ if (ret != 0)
+ dev_err(wm8994->hubs.codec->dev,
+ "Failed to add VSS mode controls: %d\n", ret);
+ }
+
+ if (pdata->num_vss_hpf_cfgs) {
+ struct snd_kcontrol_new control[] = {
+ SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
+ wm8958_get_vss_hpf_enum,
+ wm8958_put_vss_hpf_enum),
+ };
+
+ /* We need an array of texts for the enum API */
+ wm8994->vss_hpf_texts = kmalloc(sizeof(char *)
+ * pdata->num_vss_hpf_cfgs, GFP_KERNEL);
+ if (!wm8994->vss_hpf_texts)
+ return;
+
+ for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
+ wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
+
+ wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs;
+ wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
+
+ ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
+ control, 1);
+ if (ret != 0)
+ dev_err(wm8994->hubs.codec->dev,
+ "Failed to add VSS HPFmode controls: %d\n",
+ ret);
+ }
+
+ if (pdata->num_enh_eq_cfgs) {
+ struct snd_kcontrol_new control[] = {
+ SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
+ wm8958_get_enh_eq_enum,
+ wm8958_put_enh_eq_enum),
+ };
+
+ /* We need an array of texts for the enum API */
+ wm8994->enh_eq_texts = kmalloc(sizeof(char *)
+ * pdata->num_enh_eq_cfgs, GFP_KERNEL);
+ if (!wm8994->enh_eq_texts)
+ return;
+
+ for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
+ wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
+
+ wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
+ wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
+
+ ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
+ control, 1);
+ if (ret != 0)
+ dev_err(wm8994->hubs.codec->dev,
+ "Failed to add enhanced EQ controls: %d\n",
+ ret);
+ }
+}
Code Review / kvmfornfv.git / blobdiff