diff options
Diffstat (limited to 'sound/soc/codecs/wm8958-dsp2.c')
| -rw-r--r-- | sound/soc/codecs/wm8958-dsp2.c | 1051 |
1 files changed, 1051 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c new file mode 100644 index 000000000000..0293763debe5 --- /dev/null +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -0,0 +1,1051 @@ +/* + * 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\n", name); + goto err; + } + + if (memcmp(fw->data, "WMFW", 4) != 0) { + 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(codec->control_data, + 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_pdata *pdata = wm8994->pdata; + 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 (pdata && pdata->num_mbc_cfgs) { + struct wm8958_mbc_cfg *cfg + = &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_pdata *pdata = wm8994->pdata; + 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 (pdata && pdata->num_mbc_cfgs) { + struct wm8958_mbc_cfg *cfg + = &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 (pdata && pdata->num_vss_cfgs) { + struct wm8958_vss_cfg *cfg + = &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 (pdata && pdata->num_vss_hpf_cfgs) { + struct wm8958_vss_hpf_cfg *cfg + = &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_pdata *pdata = wm8994->pdata; + 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 (pdata && pdata->num_enh_eq_cfgs) { + struct wm8958_enh_eq_cfg *cfg + = &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: + BUG(); + 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 = w->codec; + 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_kcontrol_chip(kcontrol); + struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + struct wm8994_pdata *pdata = wm8994->pdata; + 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 >= 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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(kcontrol); + struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + struct wm8994_pdata *pdata = wm8994->pdata; + 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 >= 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_kcontrol_chip(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_kcontrol_chip(kcontrol); + struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + struct wm8994_pdata *pdata = wm8994->pdata; + 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 >= 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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(kcontrol); + struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + struct wm8994_pdata *pdata = wm8994->pdata; + 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 >= 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_kcontrol_chip(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_kcontrol_chip(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_kcontrol_chip(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(&codec->mutex); + wm8994->enh_eq = fw; + mutex_unlock(&codec->mutex); + } +} + +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(&codec->mutex); + wm8994->mbc_vss = fw; + mutex_unlock(&codec->mutex); + } + + /* We can't have more than one request outstanding at once so + * we daisy chain. + */ + request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, + "wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL, + codec, wm8958_enh_eq_loaded); +} + +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 (wm8958_dsp2_fw(codec, "MBC", fw, true) != 0) + return; + + mutex_lock(&codec->mutex); + wm8994->mbc = fw; + mutex_unlock(&codec->mutex); + + /* We can't have more than one request outstanding at once so + * we daisy chain. + */ + request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, + "wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL, + codec, wm8958_mbc_vss_loaded); +} + +void wm8958_dsp2_init(struct snd_soc_codec *codec) +{ + struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + struct wm8994_pdata *pdata = wm8994->pdata; + int ret, i; + + wm8994->dsp_active = -1; + + snd_soc_add_controls(codec, wm8958_mbc_snd_controls, + ARRAY_SIZE(wm8958_mbc_snd_controls)); + snd_soc_add_controls(codec, wm8958_vss_snd_controls, + ARRAY_SIZE(wm8958_vss_snd_controls)); + snd_soc_add_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); + + if (!pdata) + return; + + 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) { + dev_err(wm8994->codec->dev, + "Failed to allocate %d MBC config texts\n", + pdata->num_mbc_cfgs); + return; + } + + for (i = 0; i < pdata->num_mbc_cfgs; i++) + wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name; + + wm8994->mbc_enum.max = pdata->num_mbc_cfgs; + wm8994->mbc_enum.texts = wm8994->mbc_texts; + + ret = snd_soc_add_controls(wm8994->codec, control, 1); + if (ret != 0) + dev_err(wm8994->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) { + dev_err(wm8994->codec->dev, + "Failed to allocate %d VSS config texts\n", + pdata->num_vss_cfgs); + return; + } + + for (i = 0; i < pdata->num_vss_cfgs; i++) + wm8994->vss_texts[i] = pdata->vss_cfgs[i].name; + + wm8994->vss_enum.max = pdata->num_vss_cfgs; + wm8994->vss_enum.texts = wm8994->vss_texts; + + ret = snd_soc_add_controls(wm8994->codec, control, 1); + if (ret != 0) + dev_err(wm8994->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) { + dev_err(wm8994->codec->dev, + "Failed to allocate %d VSS HPF config texts\n", + pdata->num_vss_hpf_cfgs); + 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.max = pdata->num_vss_hpf_cfgs; + wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts; + + ret = snd_soc_add_controls(wm8994->codec, control, 1); + if (ret != 0) + dev_err(wm8994->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) { + dev_err(wm8994->codec->dev, + "Failed to allocate %d enhanced EQ config texts\n", + pdata->num_enh_eq_cfgs); + 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.max = pdata->num_enh_eq_cfgs; + wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts; + + ret = snd_soc_add_controls(wm8994->codec, control, 1); + if (ret != 0) + dev_err(wm8994->codec->dev, + "Failed to add enhanced EQ controls: %d\n", + ret); + } +} |