|  | // SPDX-License-Identifier: GPL-2.0-only | 
|  | // | 
|  | // Cirrus Logic Madera class codecs common support | 
|  | // | 
|  | // Copyright (C) 2015-2019 Cirrus Logic, Inc. and | 
|  | //                         Cirrus Logic International Semiconductor Ltd. | 
|  | // | 
|  |  | 
|  | #include <linux/delay.h> | 
|  | #include <linux/gcd.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/pm_runtime.h> | 
|  | #include <linux/slab.h> | 
|  | #include <sound/pcm.h> | 
|  | #include <sound/pcm_params.h> | 
|  | #include <sound/tlv.h> | 
|  |  | 
|  | #include <linux/irqchip/irq-madera.h> | 
|  | #include <linux/mfd/madera/core.h> | 
|  | #include <linux/mfd/madera/registers.h> | 
|  | #include <linux/mfd/madera/pdata.h> | 
|  | #include <sound/madera-pdata.h> | 
|  |  | 
|  | #include <dt-bindings/sound/madera.h> | 
|  |  | 
|  | #include "madera.h" | 
|  |  | 
|  | #define MADERA_AIF_BCLK_CTRL			0x00 | 
|  | #define MADERA_AIF_TX_PIN_CTRL			0x01 | 
|  | #define MADERA_AIF_RX_PIN_CTRL			0x02 | 
|  | #define MADERA_AIF_RATE_CTRL			0x03 | 
|  | #define MADERA_AIF_FORMAT			0x04 | 
|  | #define MADERA_AIF_RX_BCLK_RATE			0x06 | 
|  | #define MADERA_AIF_FRAME_CTRL_1			0x07 | 
|  | #define MADERA_AIF_FRAME_CTRL_2			0x08 | 
|  | #define MADERA_AIF_FRAME_CTRL_3			0x09 | 
|  | #define MADERA_AIF_FRAME_CTRL_4			0x0A | 
|  | #define MADERA_AIF_FRAME_CTRL_5			0x0B | 
|  | #define MADERA_AIF_FRAME_CTRL_6			0x0C | 
|  | #define MADERA_AIF_FRAME_CTRL_7			0x0D | 
|  | #define MADERA_AIF_FRAME_CTRL_8			0x0E | 
|  | #define MADERA_AIF_FRAME_CTRL_9			0x0F | 
|  | #define MADERA_AIF_FRAME_CTRL_10		0x10 | 
|  | #define MADERA_AIF_FRAME_CTRL_11		0x11 | 
|  | #define MADERA_AIF_FRAME_CTRL_12		0x12 | 
|  | #define MADERA_AIF_FRAME_CTRL_13		0x13 | 
|  | #define MADERA_AIF_FRAME_CTRL_14		0x14 | 
|  | #define MADERA_AIF_FRAME_CTRL_15		0x15 | 
|  | #define MADERA_AIF_FRAME_CTRL_16		0x16 | 
|  | #define MADERA_AIF_FRAME_CTRL_17		0x17 | 
|  | #define MADERA_AIF_FRAME_CTRL_18		0x18 | 
|  | #define MADERA_AIF_TX_ENABLES			0x19 | 
|  | #define MADERA_AIF_RX_ENABLES			0x1A | 
|  | #define MADERA_AIF_FORCE_WRITE			0x1B | 
|  |  | 
|  | #define MADERA_DSP_CONFIG_1_OFFS		0x00 | 
|  | #define MADERA_DSP_CONFIG_2_OFFS		0x02 | 
|  |  | 
|  | #define MADERA_DSP_CLK_SEL_MASK			0x70000 | 
|  | #define MADERA_DSP_CLK_SEL_SHIFT		16 | 
|  |  | 
|  | #define MADERA_DSP_RATE_MASK			0x7800 | 
|  | #define MADERA_DSP_RATE_SHIFT			11 | 
|  |  | 
|  | #define MADERA_SYSCLK_6MHZ			0 | 
|  | #define MADERA_SYSCLK_12MHZ			1 | 
|  | #define MADERA_SYSCLK_24MHZ			2 | 
|  | #define MADERA_SYSCLK_49MHZ			3 | 
|  | #define MADERA_SYSCLK_98MHZ			4 | 
|  |  | 
|  | #define MADERA_DSPCLK_9MHZ			0 | 
|  | #define MADERA_DSPCLK_18MHZ			1 | 
|  | #define MADERA_DSPCLK_36MHZ			2 | 
|  | #define MADERA_DSPCLK_73MHZ			3 | 
|  | #define MADERA_DSPCLK_147MHZ			4 | 
|  |  | 
|  | #define MADERA_FLL_VCO_CORNER			141900000 | 
|  | #define MADERA_FLL_MAX_FREF			13500000 | 
|  | #define MADERA_FLL_MAX_N			1023 | 
|  | #define MADERA_FLL_MIN_FOUT			90000000 | 
|  | #define MADERA_FLL_MAX_FOUT			100000000 | 
|  | #define MADERA_FLL_MAX_FRATIO			16 | 
|  | #define MADERA_FLL_MAX_REFDIV			8 | 
|  | #define MADERA_FLL_OUTDIV			3 | 
|  | #define MADERA_FLL_VCO_MULT			3 | 
|  | #define MADERA_FLLAO_MAX_FREF			12288000 | 
|  | #define MADERA_FLLAO_MIN_N			4 | 
|  | #define MADERA_FLLAO_MAX_N			1023 | 
|  | #define MADERA_FLLAO_MAX_FBDIV			254 | 
|  | #define MADERA_FLLHJ_INT_MAX_N			1023 | 
|  | #define MADERA_FLLHJ_INT_MIN_N			1 | 
|  | #define MADERA_FLLHJ_FRAC_MAX_N			255 | 
|  | #define MADERA_FLLHJ_FRAC_MIN_N			4 | 
|  | #define MADERA_FLLHJ_LOW_THRESH			192000 | 
|  | #define MADERA_FLLHJ_MID_THRESH			1152000 | 
|  | #define MADERA_FLLHJ_MAX_THRESH			13000000 | 
|  | #define MADERA_FLLHJ_LOW_GAINS			0x23f0 | 
|  | #define MADERA_FLLHJ_MID_GAINS			0x22f2 | 
|  | #define MADERA_FLLHJ_HIGH_GAINS			0x21f0 | 
|  |  | 
|  | #define MADERA_FLL_SYNCHRONISER_OFFS		0x10 | 
|  | #define CS47L35_FLL_SYNCHRONISER_OFFS		0xE | 
|  | #define MADERA_FLL_CONTROL_1_OFFS		0x1 | 
|  | #define MADERA_FLL_CONTROL_2_OFFS		0x2 | 
|  | #define MADERA_FLL_CONTROL_3_OFFS		0x3 | 
|  | #define MADERA_FLL_CONTROL_4_OFFS		0x4 | 
|  | #define MADERA_FLL_CONTROL_5_OFFS		0x5 | 
|  | #define MADERA_FLL_CONTROL_6_OFFS		0x6 | 
|  | #define MADERA_FLL_GAIN_OFFS			0x8 | 
|  | #define MADERA_FLL_CONTROL_7_OFFS		0x9 | 
|  | #define MADERA_FLL_EFS_2_OFFS			0xA | 
|  | #define MADERA_FLL_SYNCHRONISER_1_OFFS		0x1 | 
|  | #define MADERA_FLL_SYNCHRONISER_2_OFFS		0x2 | 
|  | #define MADERA_FLL_SYNCHRONISER_3_OFFS		0x3 | 
|  | #define MADERA_FLL_SYNCHRONISER_4_OFFS		0x4 | 
|  | #define MADERA_FLL_SYNCHRONISER_5_OFFS		0x5 | 
|  | #define MADERA_FLL_SYNCHRONISER_6_OFFS		0x6 | 
|  | #define MADERA_FLL_SYNCHRONISER_7_OFFS		0x7 | 
|  | #define MADERA_FLL_SPREAD_SPECTRUM_OFFS		0x9 | 
|  | #define MADERA_FLL_GPIO_CLOCK_OFFS		0xA | 
|  | #define MADERA_FLL_CONTROL_10_OFFS		0xA | 
|  | #define MADERA_FLL_CONTROL_11_OFFS		0xB | 
|  | #define MADERA_FLL1_DIGITAL_TEST_1_OFFS		0xD | 
|  |  | 
|  | #define MADERA_FLLAO_CONTROL_1_OFFS		0x1 | 
|  | #define MADERA_FLLAO_CONTROL_2_OFFS		0x2 | 
|  | #define MADERA_FLLAO_CONTROL_3_OFFS		0x3 | 
|  | #define MADERA_FLLAO_CONTROL_4_OFFS		0x4 | 
|  | #define MADERA_FLLAO_CONTROL_5_OFFS		0x5 | 
|  | #define MADERA_FLLAO_CONTROL_6_OFFS		0x6 | 
|  | #define MADERA_FLLAO_CONTROL_7_OFFS		0x8 | 
|  | #define MADERA_FLLAO_CONTROL_8_OFFS		0xA | 
|  | #define MADERA_FLLAO_CONTROL_9_OFFS		0xB | 
|  | #define MADERA_FLLAO_CONTROL_10_OFFS		0xC | 
|  | #define MADERA_FLLAO_CONTROL_11_OFFS		0xD | 
|  |  | 
|  | #define MADERA_FMT_DSP_MODE_A			0 | 
|  | #define MADERA_FMT_DSP_MODE_B			1 | 
|  | #define MADERA_FMT_I2S_MODE			2 | 
|  | #define MADERA_FMT_LEFT_JUSTIFIED_MODE		3 | 
|  |  | 
|  | #define madera_fll_err(_fll, fmt, ...) \ | 
|  | dev_err(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | 
|  | #define madera_fll_warn(_fll, fmt, ...) \ | 
|  | dev_warn(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | 
|  | #define madera_fll_dbg(_fll, fmt, ...) \ | 
|  | dev_dbg(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) | 
|  |  | 
|  | #define madera_aif_err(_dai, fmt, ...) \ | 
|  | dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | 
|  | #define madera_aif_warn(_dai, fmt, ...) \ | 
|  | dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | 
|  | #define madera_aif_dbg(_dai, fmt, ...) \ | 
|  | dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) | 
|  |  | 
|  | static const int madera_dsp_bus_error_irqs[MADERA_MAX_ADSP] = { | 
|  | MADERA_IRQ_DSP1_BUS_ERR, | 
|  | MADERA_IRQ_DSP2_BUS_ERR, | 
|  | MADERA_IRQ_DSP3_BUS_ERR, | 
|  | MADERA_IRQ_DSP4_BUS_ERR, | 
|  | MADERA_IRQ_DSP5_BUS_ERR, | 
|  | MADERA_IRQ_DSP6_BUS_ERR, | 
|  | MADERA_IRQ_DSP7_BUS_ERR, | 
|  | }; | 
|  |  | 
|  | int madera_clk_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | unsigned int val; | 
|  | int clk_idx; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(madera->regmap, w->reg, &val); | 
|  | if (ret) { | 
|  | dev_err(madera->dev, "Failed to check clock source: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | switch ((val & MADERA_SYSCLK_SRC_MASK) >> MADERA_SYSCLK_SRC_SHIFT) { | 
|  | case MADERA_CLK_SRC_MCLK1: | 
|  | clk_idx = MADERA_MCLK1; | 
|  | break; | 
|  | case MADERA_CLK_SRC_MCLK2: | 
|  | clk_idx = MADERA_MCLK2; | 
|  | break; | 
|  | case MADERA_CLK_SRC_MCLK3: | 
|  | clk_idx = MADERA_MCLK3; | 
|  | break; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_PRE_PMU: | 
|  | return clk_prepare_enable(madera->mclk[clk_idx].clk); | 
|  | case SND_SOC_DAPM_POST_PMD: | 
|  | clk_disable_unprepare(madera->mclk[clk_idx].clk); | 
|  | return 0; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_clk_ev); | 
|  |  | 
|  | static void madera_spin_sysclk(struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | unsigned int val; | 
|  | int ret, i; | 
|  |  | 
|  | /* Skip this if the chip is down */ | 
|  | if (pm_runtime_suspended(madera->dev)) | 
|  | return; | 
|  |  | 
|  | /* | 
|  | * Just read a register a few times to ensure the internal | 
|  | * oscillator sends out a few clocks. | 
|  | */ | 
|  | for (i = 0; i < 4; i++) { | 
|  | ret = regmap_read(madera->regmap, MADERA_SOFTWARE_RESET, &val); | 
|  | if (ret) | 
|  | dev_err(madera->dev, | 
|  | "Failed to read sysclk spin %d: %d\n", i, ret); | 
|  | } | 
|  |  | 
|  | udelay(300); | 
|  | } | 
|  |  | 
|  | int madera_sysclk_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | madera_spin_sysclk(priv); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return madera_clk_ev(w, kcontrol, event); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_sysclk_ev); | 
|  |  | 
|  | static int madera_check_speaker_overheat(struct madera *madera, | 
|  | bool *warn, bool *shutdown) | 
|  | { | 
|  | unsigned int val; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_15, &val); | 
|  | if (ret) { | 
|  | dev_err(madera->dev, "Failed to read thermal status: %d\n", | 
|  | ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | *warn = val & MADERA_SPK_OVERHEAT_WARN_STS1; | 
|  | *shutdown = val & MADERA_SPK_OVERHEAT_STS1; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int madera_spk_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | bool warn, shutdown; | 
|  | int ret; | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | ret = madera_check_speaker_overheat(madera, &warn, &shutdown); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | if (shutdown) { | 
|  | dev_crit(madera->dev, | 
|  | "Speaker not enabled due to temperature\n"); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, | 
|  | 1 << w->shift, 1 << w->shift); | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, | 
|  | 1 << w->shift, 0); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_spk_ev); | 
|  |  | 
|  | static irqreturn_t madera_thermal_warn(int irq, void *data) | 
|  | { | 
|  | struct madera *madera = data; | 
|  | bool warn, shutdown; | 
|  | int ret; | 
|  |  | 
|  | ret = madera_check_speaker_overheat(madera, &warn, &shutdown); | 
|  | if (ret || shutdown) { /* for safety attempt to shutdown on error */ | 
|  | dev_crit(madera->dev, "Thermal shutdown\n"); | 
|  | ret = regmap_update_bits(madera->regmap, | 
|  | MADERA_OUTPUT_ENABLES_1, | 
|  | MADERA_OUT4L_ENA | | 
|  | MADERA_OUT4R_ENA, 0); | 
|  | if (ret != 0) | 
|  | dev_crit(madera->dev, | 
|  | "Failed to disable speaker outputs: %d\n", | 
|  | ret); | 
|  | } else if (warn) { | 
|  | dev_alert(madera->dev, "Thermal warning\n"); | 
|  | } else { | 
|  | dev_info(madera->dev, "Spurious thermal warning\n"); | 
|  | return IRQ_NONE; | 
|  | } | 
|  |  | 
|  | return IRQ_HANDLED; | 
|  | } | 
|  |  | 
|  | int madera_init_overheat(struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | struct device *dev = madera->dev; | 
|  | int ret; | 
|  |  | 
|  | ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN, | 
|  | "Thermal warning", madera_thermal_warn, | 
|  | madera); | 
|  | if (ret) | 
|  | dev_err(dev, "Failed to get thermal warning IRQ: %d\n", ret); | 
|  |  | 
|  | ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT, | 
|  | "Thermal shutdown", madera_thermal_warn, | 
|  | madera); | 
|  | if (ret) | 
|  | dev_err(dev, "Failed to get thermal shutdown IRQ: %d\n", ret); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_overheat); | 
|  |  | 
|  | int madera_free_overheat(struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  |  | 
|  | madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN, madera); | 
|  | madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT, madera); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_free_overheat); | 
|  |  | 
|  | static int madera_get_variable_u32_array(struct device *dev, | 
|  | const char *propname, | 
|  | u32 *dest, int n_max, | 
|  | int multiple) | 
|  | { | 
|  | int n, ret; | 
|  |  | 
|  | n = device_property_count_u32(dev, propname); | 
|  | if (n < 0) { | 
|  | if (n == -EINVAL) | 
|  | return 0;	/* missing, ignore */ | 
|  |  | 
|  | dev_warn(dev, "%s malformed (%d)\n", propname, n); | 
|  |  | 
|  | return n; | 
|  | } else if ((n % multiple) != 0) { | 
|  | dev_warn(dev, "%s not a multiple of %d entries\n", | 
|  | propname, multiple); | 
|  |  | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (n > n_max) | 
|  | n = n_max; | 
|  |  | 
|  | ret = device_property_read_u32_array(dev, propname, dest, n); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | return n; | 
|  | } | 
|  |  | 
|  | static void madera_prop_get_inmode(struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | struct madera_codec_pdata *pdata = &madera->pdata.codec; | 
|  | u32 tmp[MADERA_MAX_INPUT * MADERA_MAX_MUXED_CHANNELS]; | 
|  | int n, i, in_idx, ch_idx; | 
|  |  | 
|  | BUILD_BUG_ON(ARRAY_SIZE(pdata->inmode) != MADERA_MAX_INPUT); | 
|  | BUILD_BUG_ON(ARRAY_SIZE(pdata->inmode[0]) != MADERA_MAX_MUXED_CHANNELS); | 
|  |  | 
|  | n = madera_get_variable_u32_array(madera->dev, "cirrus,inmode", | 
|  | tmp, ARRAY_SIZE(tmp), | 
|  | MADERA_MAX_MUXED_CHANNELS); | 
|  | if (n < 0) | 
|  | return; | 
|  |  | 
|  | in_idx = 0; | 
|  | ch_idx = 0; | 
|  | for (i = 0; i < n; ++i) { | 
|  | pdata->inmode[in_idx][ch_idx] = tmp[i]; | 
|  |  | 
|  | if (++ch_idx == MADERA_MAX_MUXED_CHANNELS) { | 
|  | ch_idx = 0; | 
|  | ++in_idx; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static void madera_prop_get_pdata(struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | struct madera_codec_pdata *pdata = &madera->pdata.codec; | 
|  | u32 out_mono[ARRAY_SIZE(pdata->out_mono)]; | 
|  | int i, n; | 
|  |  | 
|  | madera_prop_get_inmode(priv); | 
|  |  | 
|  | n = madera_get_variable_u32_array(madera->dev, "cirrus,out-mono", | 
|  | out_mono, ARRAY_SIZE(out_mono), 1); | 
|  | if (n > 0) | 
|  | for (i = 0; i < n; ++i) | 
|  | pdata->out_mono[i] = !!out_mono[i]; | 
|  |  | 
|  | madera_get_variable_u32_array(madera->dev, | 
|  | "cirrus,max-channels-clocked", | 
|  | pdata->max_channels_clocked, | 
|  | ARRAY_SIZE(pdata->max_channels_clocked), | 
|  | 1); | 
|  |  | 
|  | madera_get_variable_u32_array(madera->dev, "cirrus,pdm-fmt", | 
|  | pdata->pdm_fmt, | 
|  | ARRAY_SIZE(pdata->pdm_fmt), 1); | 
|  |  | 
|  | madera_get_variable_u32_array(madera->dev, "cirrus,pdm-mute", | 
|  | pdata->pdm_mute, | 
|  | ARRAY_SIZE(pdata->pdm_mute), 1); | 
|  |  | 
|  | madera_get_variable_u32_array(madera->dev, "cirrus,dmic-ref", | 
|  | pdata->dmic_ref, | 
|  | ARRAY_SIZE(pdata->dmic_ref), 1); | 
|  | } | 
|  |  | 
|  | int madera_core_init(struct madera_priv *priv) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | /* trap undersized array initializers */ | 
|  | BUILD_BUG_ON(!madera_mixer_texts[MADERA_NUM_MIXER_INPUTS - 1]); | 
|  | BUILD_BUG_ON(!madera_mixer_values[MADERA_NUM_MIXER_INPUTS - 1]); | 
|  |  | 
|  | if (!dev_get_platdata(priv->madera->dev)) | 
|  | madera_prop_get_pdata(priv); | 
|  |  | 
|  | mutex_init(&priv->rate_lock); | 
|  |  | 
|  | for (i = 0; i < MADERA_MAX_HP_OUTPUT; i++) | 
|  | priv->madera->out_clamp[i] = true; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_core_init); | 
|  |  | 
|  | int madera_core_free(struct madera_priv *priv) | 
|  | { | 
|  | mutex_destroy(&priv->rate_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_core_free); | 
|  |  | 
|  | static void madera_debug_dump_domain_groups(const struct madera_priv *priv) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(priv->domain_group_ref); ++i) | 
|  | dev_dbg(madera->dev, "domain_grp_ref[%d]=%d\n", i, | 
|  | priv->domain_group_ref[i]); | 
|  | } | 
|  |  | 
|  | int madera_domain_clk_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | int dom_grp = w->shift; | 
|  |  | 
|  | if (dom_grp >= ARRAY_SIZE(priv->domain_group_ref)) { | 
|  | WARN(true, "%s dom_grp exceeds array size\n", __func__); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * We can't rely on the DAPM mutex for locking because we need a lock | 
|  | * that can safely be called in hw_params | 
|  | */ | 
|  | mutex_lock(&priv->rate_lock); | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_PRE_PMU: | 
|  | dev_dbg(priv->madera->dev, "Inc ref on domain group %d\n", | 
|  | dom_grp); | 
|  | ++priv->domain_group_ref[dom_grp]; | 
|  | break; | 
|  | case SND_SOC_DAPM_POST_PMD: | 
|  | dev_dbg(priv->madera->dev, "Dec ref on domain group %d\n", | 
|  | dom_grp); | 
|  | --priv->domain_group_ref[dom_grp]; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | madera_debug_dump_domain_groups(priv); | 
|  |  | 
|  | mutex_unlock(&priv->rate_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_domain_clk_ev); | 
|  |  | 
|  | int madera_out1_demux_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_dapm_kcontrol_component(kcontrol); | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_dapm_kcontrol_dapm(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | unsigned int ep_sel, mux, change; | 
|  | bool out_mono; | 
|  | int ret; | 
|  |  | 
|  | if (ucontrol->value.enumerated.item[0] > e->items - 1) | 
|  | return -EINVAL; | 
|  |  | 
|  | mux = ucontrol->value.enumerated.item[0]; | 
|  |  | 
|  | snd_soc_dapm_mutex_lock(dapm); | 
|  |  | 
|  | ep_sel = mux << MADERA_EP_SEL_SHIFT; | 
|  |  | 
|  | change = snd_soc_component_test_bits(component, MADERA_OUTPUT_ENABLES_1, | 
|  | MADERA_EP_SEL_MASK, | 
|  | ep_sel); | 
|  | if (!change) | 
|  | goto end; | 
|  |  | 
|  | /* EP_SEL should not be modified while HP or EP driver is enabled */ | 
|  | ret = regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, | 
|  | MADERA_OUT1L_ENA | MADERA_OUT1R_ENA, 0); | 
|  | if (ret) | 
|  | dev_warn(madera->dev, "Failed to disable outputs: %d\n", ret); | 
|  |  | 
|  | usleep_range(2000, 3000); /* wait for wseq to complete */ | 
|  |  | 
|  | /* change demux setting */ | 
|  | ret = 0; | 
|  | if (madera->out_clamp[0]) | 
|  | ret = regmap_update_bits(madera->regmap, | 
|  | MADERA_OUTPUT_ENABLES_1, | 
|  | MADERA_EP_SEL_MASK, ep_sel); | 
|  | if (ret) { | 
|  | dev_err(madera->dev, "Failed to set OUT1 demux: %d\n", ret); | 
|  | } else { | 
|  | /* apply correct setting for mono mode */ | 
|  | if (!ep_sel && !madera->pdata.codec.out_mono[0]) | 
|  | out_mono = false; /* stereo HP */ | 
|  | else | 
|  | out_mono = true; /* EP or mono HP */ | 
|  |  | 
|  | ret = madera_set_output_mode(component, 1, out_mono); | 
|  | if (ret) | 
|  | dev_warn(madera->dev, | 
|  | "Failed to set output mode: %d\n", ret); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * if HPDET has disabled the clamp while switching to HPOUT | 
|  | * OUT1 should remain disabled | 
|  | */ | 
|  | if (ep_sel || | 
|  | (madera->out_clamp[0] && !madera->out_shorted[0])) { | 
|  | ret = regmap_update_bits(madera->regmap, | 
|  | MADERA_OUTPUT_ENABLES_1, | 
|  | MADERA_OUT1L_ENA | MADERA_OUT1R_ENA, | 
|  | madera->hp_ena); | 
|  | if (ret) | 
|  | dev_warn(madera->dev, | 
|  | "Failed to restore earpiece outputs: %d\n", | 
|  | ret); | 
|  | else if (madera->hp_ena) | 
|  | msleep(34); /* wait for enable wseq */ | 
|  | else | 
|  | usleep_range(2000, 3000); /* wait for disable wseq */ | 
|  | } | 
|  |  | 
|  | end: | 
|  | snd_soc_dapm_mutex_unlock(dapm); | 
|  |  | 
|  | ret = snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); | 
|  | if (ret < 0) { | 
|  | dev_err(madera->dev, "Failed to update demux power state: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | return change; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_out1_demux_put); | 
|  |  | 
|  | int madera_out1_demux_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_dapm_kcontrol_component(kcontrol); | 
|  | unsigned int val; | 
|  |  | 
|  | val = snd_soc_component_read(component, MADERA_OUTPUT_ENABLES_1); | 
|  | val &= MADERA_EP_SEL_MASK; | 
|  | val >>= MADERA_EP_SEL_SHIFT; | 
|  | ucontrol->value.enumerated.item[0] = val; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_out1_demux_get); | 
|  |  | 
|  | static int madera_inmux_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_dapm_kcontrol_component(kcontrol); | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_dapm_kcontrol_dapm(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | struct regmap *regmap = madera->regmap; | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | unsigned int mux, val, mask; | 
|  | unsigned int inmode; | 
|  | bool changed; | 
|  | int ret; | 
|  |  | 
|  | mux = ucontrol->value.enumerated.item[0]; | 
|  | if (mux > 1) | 
|  | return -EINVAL; | 
|  |  | 
|  | val = mux << e->shift_l; | 
|  | mask = (e->mask << e->shift_l) | MADERA_IN1L_SRC_SE_MASK; | 
|  |  | 
|  | switch (e->reg) { | 
|  | case MADERA_ADC_DIGITAL_VOLUME_1L: | 
|  | inmode = madera->pdata.codec.inmode[0][2 * mux]; | 
|  | break; | 
|  | case MADERA_ADC_DIGITAL_VOLUME_1R: | 
|  | inmode = madera->pdata.codec.inmode[0][1 + (2 * mux)]; | 
|  | break; | 
|  | case MADERA_ADC_DIGITAL_VOLUME_2L: | 
|  | inmode = madera->pdata.codec.inmode[1][2 * mux]; | 
|  | break; | 
|  | case MADERA_ADC_DIGITAL_VOLUME_2R: | 
|  | inmode = madera->pdata.codec.inmode[1][1 + (2 * mux)]; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (inmode & MADERA_INMODE_SE) | 
|  | val |= 1 << MADERA_IN1L_SRC_SE_SHIFT; | 
|  |  | 
|  | dev_dbg(madera->dev, "mux=%u reg=0x%x inmode=0x%x mask=0x%x val=0x%x\n", | 
|  | mux, e->reg, inmode, mask, val); | 
|  |  | 
|  | ret = regmap_update_bits_check(regmap, e->reg, mask, val, &changed); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | if (changed) | 
|  | return snd_soc_dapm_mux_update_power(dapm, kcontrol, | 
|  | mux, e, NULL); | 
|  | else | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const char * const madera_inmux_texts[] = { | 
|  | "A", | 
|  | "B", | 
|  | }; | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in1muxl_enum, | 
|  | MADERA_ADC_DIGITAL_VOLUME_1L, | 
|  | MADERA_IN1L_SRC_SHIFT, | 
|  | madera_inmux_texts); | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in1muxr_enum, | 
|  | MADERA_ADC_DIGITAL_VOLUME_1R, | 
|  | MADERA_IN1R_SRC_SHIFT, | 
|  | madera_inmux_texts); | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in2muxl_enum, | 
|  | MADERA_ADC_DIGITAL_VOLUME_2L, | 
|  | MADERA_IN2L_SRC_SHIFT, | 
|  | madera_inmux_texts); | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in2muxr_enum, | 
|  | MADERA_ADC_DIGITAL_VOLUME_2R, | 
|  | MADERA_IN2R_SRC_SHIFT, | 
|  | madera_inmux_texts); | 
|  |  | 
|  | const struct snd_kcontrol_new madera_inmux[] = { | 
|  | SOC_DAPM_ENUM_EXT("IN1L Mux", madera_in1muxl_enum, | 
|  | snd_soc_dapm_get_enum_double, madera_inmux_put), | 
|  | SOC_DAPM_ENUM_EXT("IN1R Mux", madera_in1muxr_enum, | 
|  | snd_soc_dapm_get_enum_double, madera_inmux_put), | 
|  | SOC_DAPM_ENUM_EXT("IN2L Mux", madera_in2muxl_enum, | 
|  | snd_soc_dapm_get_enum_double, madera_inmux_put), | 
|  | SOC_DAPM_ENUM_EXT("IN2R Mux", madera_in2muxr_enum, | 
|  | snd_soc_dapm_get_enum_double, madera_inmux_put), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_inmux); | 
|  |  | 
|  | static const char * const madera_dmode_texts[] = { | 
|  | "Analog", | 
|  | "Digital", | 
|  | }; | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in1dmode_enum, | 
|  | MADERA_IN1L_CONTROL, | 
|  | MADERA_IN1_MODE_SHIFT, | 
|  | madera_dmode_texts); | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in2dmode_enum, | 
|  | MADERA_IN2L_CONTROL, | 
|  | MADERA_IN2_MODE_SHIFT, | 
|  | madera_dmode_texts); | 
|  |  | 
|  | static SOC_ENUM_SINGLE_DECL(madera_in3dmode_enum, | 
|  | MADERA_IN3L_CONTROL, | 
|  | MADERA_IN3_MODE_SHIFT, | 
|  | madera_dmode_texts); | 
|  |  | 
|  | const struct snd_kcontrol_new madera_inmode[] = { | 
|  | SOC_DAPM_ENUM("IN1 Mode", madera_in1dmode_enum), | 
|  | SOC_DAPM_ENUM("IN2 Mode", madera_in2dmode_enum), | 
|  | SOC_DAPM_ENUM("IN3 Mode", madera_in3dmode_enum), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_inmode); | 
|  |  | 
|  | static bool madera_can_change_grp_rate(const struct madera_priv *priv, | 
|  | unsigned int reg) | 
|  | { | 
|  | int count; | 
|  |  | 
|  | switch (reg) { | 
|  | case MADERA_FX_CTRL1: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_FX]; | 
|  | break; | 
|  | case MADERA_ASRC1_RATE1: | 
|  | case MADERA_ASRC1_RATE2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC1]; | 
|  | break; | 
|  | case MADERA_ASRC2_RATE1: | 
|  | case MADERA_ASRC2_RATE2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC2]; | 
|  | break; | 
|  | case MADERA_ISRC_1_CTRL_1: | 
|  | case MADERA_ISRC_1_CTRL_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC1]; | 
|  | break; | 
|  | case MADERA_ISRC_2_CTRL_1: | 
|  | case MADERA_ISRC_2_CTRL_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC2]; | 
|  | break; | 
|  | case MADERA_ISRC_3_CTRL_1: | 
|  | case MADERA_ISRC_3_CTRL_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC3]; | 
|  | break; | 
|  | case MADERA_ISRC_4_CTRL_1: | 
|  | case MADERA_ISRC_4_CTRL_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC4]; | 
|  | break; | 
|  | case MADERA_OUTPUT_RATE_1: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_OUT]; | 
|  | break; | 
|  | case MADERA_SPD1_TX_CONTROL: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_SPD]; | 
|  | break; | 
|  | case MADERA_DSP1_CONFIG_1: | 
|  | case MADERA_DSP1_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP1]; | 
|  | break; | 
|  | case MADERA_DSP2_CONFIG_1: | 
|  | case MADERA_DSP2_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP2]; | 
|  | break; | 
|  | case MADERA_DSP3_CONFIG_1: | 
|  | case MADERA_DSP3_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP3]; | 
|  | break; | 
|  | case MADERA_DSP4_CONFIG_1: | 
|  | case MADERA_DSP4_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP4]; | 
|  | break; | 
|  | case MADERA_DSP5_CONFIG_1: | 
|  | case MADERA_DSP5_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP5]; | 
|  | break; | 
|  | case MADERA_DSP6_CONFIG_1: | 
|  | case MADERA_DSP6_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP6]; | 
|  | break; | 
|  | case MADERA_DSP7_CONFIG_1: | 
|  | case MADERA_DSP7_CONFIG_2: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_DSP7]; | 
|  | break; | 
|  | case MADERA_AIF1_RATE_CTRL: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_AIF1]; | 
|  | break; | 
|  | case MADERA_AIF2_RATE_CTRL: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_AIF2]; | 
|  | break; | 
|  | case MADERA_AIF3_RATE_CTRL: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_AIF3]; | 
|  | break; | 
|  | case MADERA_AIF4_RATE_CTRL: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_AIF4]; | 
|  | break; | 
|  | case MADERA_SLIMBUS_RATES_1: | 
|  | case MADERA_SLIMBUS_RATES_2: | 
|  | case MADERA_SLIMBUS_RATES_3: | 
|  | case MADERA_SLIMBUS_RATES_4: | 
|  | case MADERA_SLIMBUS_RATES_5: | 
|  | case MADERA_SLIMBUS_RATES_6: | 
|  | case MADERA_SLIMBUS_RATES_7: | 
|  | case MADERA_SLIMBUS_RATES_8: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_SLIMBUS]; | 
|  | break; | 
|  | case MADERA_PWM_DRIVE_1: | 
|  | count = priv->domain_group_ref[MADERA_DOM_GRP_PWM]; | 
|  | break; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  |  | 
|  | dev_dbg(priv->madera->dev, "Rate reg 0x%x group ref %d\n", reg, count); | 
|  |  | 
|  | if (count) | 
|  | return false; | 
|  | else | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static int madera_adsp_rate_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | unsigned int cached_rate; | 
|  | const int adsp_num = e->shift_l; | 
|  | int item; | 
|  |  | 
|  | mutex_lock(&priv->rate_lock); | 
|  | cached_rate = priv->adsp_rate_cache[adsp_num]; | 
|  | mutex_unlock(&priv->rate_lock); | 
|  |  | 
|  | item = snd_soc_enum_val_to_item(e, cached_rate); | 
|  | ucontrol->value.enumerated.item[0] = item; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | const int adsp_num = e->shift_l; | 
|  | const unsigned int item = ucontrol->value.enumerated.item[0]; | 
|  | int ret = 0; | 
|  |  | 
|  | if (item >= e->items) | 
|  | return -EINVAL; | 
|  |  | 
|  | /* | 
|  | * We don't directly write the rate register here but we want to | 
|  | * maintain consistent behaviour that rate domains cannot be changed | 
|  | * while in use since this is a hardware requirement | 
|  | */ | 
|  | mutex_lock(&priv->rate_lock); | 
|  |  | 
|  | if (!madera_can_change_grp_rate(priv, priv->adsp[adsp_num].cs_dsp.base)) { | 
|  | dev_warn(priv->madera->dev, | 
|  | "Cannot change '%s' while in use by active audio paths\n", | 
|  | kcontrol->id.name); | 
|  | ret = -EBUSY; | 
|  | } else if (priv->adsp_rate_cache[adsp_num] != e->values[item]) { | 
|  | /* Volatile register so defer until the codec is powered up */ | 
|  | priv->adsp_rate_cache[adsp_num] = e->values[item]; | 
|  | ret = 1; | 
|  | } | 
|  |  | 
|  | mutex_unlock(&priv->rate_lock); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static const struct soc_enum madera_adsp_rate_enum[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 0, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 1, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 2, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 3, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 4, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 5, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 6, 0xf, MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | }; | 
|  |  | 
|  | const struct snd_kcontrol_new madera_adsp_rate_controls[] = { | 
|  | SOC_ENUM_EXT("DSP1 Rate", madera_adsp_rate_enum[0], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP2 Rate", madera_adsp_rate_enum[1], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP3 Rate", madera_adsp_rate_enum[2], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP4 Rate", madera_adsp_rate_enum[3], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP5 Rate", madera_adsp_rate_enum[4], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP6 Rate", madera_adsp_rate_enum[5], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | SOC_ENUM_EXT("DSP7 Rate", madera_adsp_rate_enum[6], | 
|  | madera_adsp_rate_get, madera_adsp_rate_put), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_adsp_rate_controls); | 
|  |  | 
|  | static int madera_write_adsp_clk_setting(struct madera_priv *priv, | 
|  | struct wm_adsp *dsp, | 
|  | unsigned int freq) | 
|  | { | 
|  | unsigned int val; | 
|  | unsigned int mask = MADERA_DSP_RATE_MASK; | 
|  | int ret; | 
|  |  | 
|  | val = priv->adsp_rate_cache[dsp->cs_dsp.num - 1] << MADERA_DSP_RATE_SHIFT; | 
|  |  | 
|  | switch (priv->madera->type) { | 
|  | case CS47L35: | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | /* use legacy frequency registers */ | 
|  | mask |= MADERA_DSP_CLK_SEL_MASK; | 
|  | val |= (freq << MADERA_DSP_CLK_SEL_SHIFT); | 
|  | break; | 
|  | default: | 
|  | /* Configure exact dsp frequency */ | 
|  | dev_dbg(priv->madera->dev, "Set DSP frequency to 0x%x\n", freq); | 
|  |  | 
|  | ret = regmap_write(dsp->cs_dsp.regmap, | 
|  | dsp->cs_dsp.base + MADERA_DSP_CONFIG_2_OFFS, freq); | 
|  | if (ret) | 
|  | goto err; | 
|  | break; | 
|  | } | 
|  |  | 
|  | ret = regmap_update_bits(dsp->cs_dsp.regmap, | 
|  | dsp->cs_dsp.base + MADERA_DSP_CONFIG_1_OFFS, | 
|  | mask, val); | 
|  | if (ret) | 
|  | goto err; | 
|  |  | 
|  | dev_dbg(priv->madera->dev, "Set DSP clocking to 0x%x\n", val); | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | err: | 
|  | dev_err(dsp->cs_dsp.dev, "Failed to set DSP%d clock: %d\n", dsp->cs_dsp.num, ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | int madera_set_adsp_clk(struct madera_priv *priv, int dsp_num, | 
|  | unsigned int freq) | 
|  | { | 
|  | struct wm_adsp *dsp = &priv->adsp[dsp_num]; | 
|  | struct madera *madera = priv->madera; | 
|  | unsigned int cur, new; | 
|  | int ret; | 
|  |  | 
|  | /* | 
|  | * This is called at a higher DAPM priority than the mux widgets so | 
|  | * the muxes are still off at this point and it's safe to change | 
|  | * the rate domain control. | 
|  | * Also called at a lower DAPM priority than the domain group widgets | 
|  | * so locking the reads of adsp_rate_cache is not necessary as we know | 
|  | * changes are locked out by the domain_group_ref reference count. | 
|  | */ | 
|  |  | 
|  | ret = regmap_read(dsp->cs_dsp.regmap,  dsp->cs_dsp.base, &cur); | 
|  | if (ret) { | 
|  | dev_err(madera->dev, | 
|  | "Failed to read current DSP rate: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | cur &= MADERA_DSP_RATE_MASK; | 
|  |  | 
|  | new = priv->adsp_rate_cache[dsp->cs_dsp.num - 1] << MADERA_DSP_RATE_SHIFT; | 
|  |  | 
|  | if (new == cur) { | 
|  | dev_dbg(madera->dev, "DSP rate not changed\n"); | 
|  | return madera_write_adsp_clk_setting(priv, dsp, freq); | 
|  | } else { | 
|  | dev_dbg(madera->dev, "DSP rate changed\n"); | 
|  |  | 
|  | /* The write must be guarded by a number of SYSCLK cycles */ | 
|  | madera_spin_sysclk(priv); | 
|  | ret = madera_write_adsp_clk_setting(priv, dsp, freq); | 
|  | madera_spin_sysclk(priv); | 
|  | return ret; | 
|  | } | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_adsp_clk); | 
|  |  | 
|  | int madera_rate_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | unsigned int item = ucontrol->value.enumerated.item[0]; | 
|  | unsigned int val; | 
|  | int ret; | 
|  |  | 
|  | if (item >= e->items) | 
|  | return -EINVAL; | 
|  |  | 
|  | /* | 
|  | * Prevent the domain powering up while we're checking whether it's | 
|  | * safe to change rate domain | 
|  | */ | 
|  | mutex_lock(&priv->rate_lock); | 
|  |  | 
|  | val = snd_soc_component_read(component, e->reg); | 
|  | val >>= e->shift_l; | 
|  | val &= e->mask; | 
|  | if (snd_soc_enum_item_to_val(e, item) == val) { | 
|  | ret = 0; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | if (!madera_can_change_grp_rate(priv, e->reg)) { | 
|  | dev_warn(priv->madera->dev, | 
|  | "Cannot change '%s' while in use by active audio paths\n", | 
|  | kcontrol->id.name); | 
|  | ret = -EBUSY; | 
|  | } else { | 
|  | /* The write must be guarded by a number of SYSCLK cycles */ | 
|  | madera_spin_sysclk(priv); | 
|  | ret = snd_soc_put_enum_double(kcontrol, ucontrol); | 
|  | madera_spin_sysclk(priv); | 
|  | } | 
|  | out: | 
|  | mutex_unlock(&priv->rate_lock); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_rate_put); | 
|  |  | 
|  | static void madera_configure_input_mode(struct madera *madera) | 
|  | { | 
|  | unsigned int dig_mode, ana_mode_l, ana_mode_r; | 
|  | int max_analogue_inputs, max_dmic_sup, i; | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS47L15: | 
|  | max_analogue_inputs = 1; | 
|  | max_dmic_sup = 2; | 
|  | break; | 
|  | case CS47L35: | 
|  | max_analogue_inputs = 2; | 
|  | max_dmic_sup = 2; | 
|  | break; | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | max_analogue_inputs = 3; | 
|  | max_dmic_sup = 3; | 
|  | break; | 
|  | case CS47L90: | 
|  | case CS47L91: | 
|  | max_analogue_inputs = 2; | 
|  | max_dmic_sup = 2; | 
|  | break; | 
|  | default: | 
|  | max_analogue_inputs = 2; | 
|  | max_dmic_sup = 4; | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Initialize input modes from the A settings. For muxed inputs the | 
|  | * B settings will be applied if the mux is changed | 
|  | */ | 
|  | for (i = 0; i < max_dmic_sup; i++) { | 
|  | dev_dbg(madera->dev, "IN%d mode %u:%u:%u:%u\n", i + 1, | 
|  | madera->pdata.codec.inmode[i][0], | 
|  | madera->pdata.codec.inmode[i][1], | 
|  | madera->pdata.codec.inmode[i][2], | 
|  | madera->pdata.codec.inmode[i][3]); | 
|  |  | 
|  | dig_mode = madera->pdata.codec.dmic_ref[i] << | 
|  | MADERA_IN1_DMIC_SUP_SHIFT; | 
|  |  | 
|  | switch (madera->pdata.codec.inmode[i][0]) { | 
|  | case MADERA_INMODE_DIFF: | 
|  | ana_mode_l = 0; | 
|  | break; | 
|  | case MADERA_INMODE_SE: | 
|  | ana_mode_l = 1 << MADERA_IN1L_SRC_SE_SHIFT; | 
|  | break; | 
|  | default: | 
|  | dev_warn(madera->dev, | 
|  | "IN%dAL Illegal inmode %u ignored\n", | 
|  | i + 1, madera->pdata.codec.inmode[i][0]); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | switch (madera->pdata.codec.inmode[i][1]) { | 
|  | case MADERA_INMODE_DIFF: | 
|  | ana_mode_r = 0; | 
|  | break; | 
|  | case MADERA_INMODE_SE: | 
|  | ana_mode_r = 1 << MADERA_IN1R_SRC_SE_SHIFT; | 
|  | break; | 
|  | default: | 
|  | dev_warn(madera->dev, | 
|  | "IN%dAR Illegal inmode %u ignored\n", | 
|  | i + 1, madera->pdata.codec.inmode[i][1]); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | dev_dbg(madera->dev, | 
|  | "IN%dA DMIC mode=0x%x Analogue mode=0x%x,0x%x\n", | 
|  | i + 1, dig_mode, ana_mode_l, ana_mode_r); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_IN1L_CONTROL + (i * 8), | 
|  | MADERA_IN1_DMIC_SUP_MASK, dig_mode); | 
|  |  | 
|  | if (i >= max_analogue_inputs) | 
|  | continue; | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_ADC_DIGITAL_VOLUME_1L + (i * 8), | 
|  | MADERA_IN1L_SRC_SE_MASK, ana_mode_l); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_ADC_DIGITAL_VOLUME_1R + (i * 8), | 
|  | MADERA_IN1R_SRC_SE_MASK, ana_mode_r); | 
|  | } | 
|  | } | 
|  |  | 
|  | int madera_init_inputs(struct snd_soc_component *component) | 
|  | { | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  |  | 
|  | madera_configure_input_mode(madera); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_inputs); | 
|  |  | 
|  | static const struct snd_soc_dapm_route madera_mono_routes[] = { | 
|  | { "OUT1R", NULL, "OUT1L" }, | 
|  | { "OUT2R", NULL, "OUT2L" }, | 
|  | { "OUT3R", NULL, "OUT3L" }, | 
|  | { "OUT4R", NULL, "OUT4L" }, | 
|  | { "OUT5R", NULL, "OUT5L" }, | 
|  | { "OUT6R", NULL, "OUT6L" }, | 
|  | }; | 
|  |  | 
|  | int madera_init_outputs(struct snd_soc_component *component, | 
|  | const struct snd_soc_dapm_route *routes, | 
|  | int n_mono_routes, int n_real) | 
|  | { | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_component_get_dapm(component); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | const struct madera_codec_pdata *pdata = &madera->pdata.codec; | 
|  | unsigned int val; | 
|  | int i; | 
|  |  | 
|  | if (n_mono_routes > MADERA_MAX_OUTPUT) { | 
|  | dev_warn(madera->dev, | 
|  | "Requested %d mono outputs, using maximum allowed %d\n", | 
|  | n_mono_routes, MADERA_MAX_OUTPUT); | 
|  | n_mono_routes = MADERA_MAX_OUTPUT; | 
|  | } | 
|  |  | 
|  | if (!routes) | 
|  | routes = madera_mono_routes; | 
|  |  | 
|  | for (i = 0; i < n_mono_routes; i++) { | 
|  | /* Default is 0 so noop with defaults */ | 
|  | if (pdata->out_mono[i]) { | 
|  | val = MADERA_OUT1_MONO; | 
|  | snd_soc_dapm_add_routes(dapm, &routes[i], 1); | 
|  | } else { | 
|  | val = 0; | 
|  | } | 
|  |  | 
|  | if (i >= n_real) | 
|  | continue; | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_OUTPUT_PATH_CONFIG_1L + (i * 8), | 
|  | MADERA_OUT1_MONO, val); | 
|  |  | 
|  | dev_dbg(madera->dev, "OUT%d mono=0x%x\n", i + 1, val); | 
|  | } | 
|  |  | 
|  | for (i = 0; i < MADERA_MAX_PDM_SPK; i++) { | 
|  | dev_dbg(madera->dev, "PDM%d fmt=0x%x mute=0x%x\n", i + 1, | 
|  | pdata->pdm_fmt[i], pdata->pdm_mute[i]); | 
|  |  | 
|  | if (pdata->pdm_mute[i]) | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_PDM_SPK1_CTRL_1 + (i * 2), | 
|  | MADERA_SPK1_MUTE_ENDIAN_MASK | | 
|  | MADERA_SPK1_MUTE_SEQ1_MASK, | 
|  | pdata->pdm_mute[i]); | 
|  |  | 
|  | if (pdata->pdm_fmt[i]) | 
|  | regmap_update_bits(madera->regmap, | 
|  | MADERA_PDM_SPK1_CTRL_2 + (i * 2), | 
|  | MADERA_SPK1_FMT_MASK, | 
|  | pdata->pdm_fmt[i]); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_outputs); | 
|  |  | 
|  | int madera_init_bus_error_irq(struct madera_priv *priv, int dsp_num, | 
|  | irq_handler_t handler) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  | int ret; | 
|  |  | 
|  | ret = madera_request_irq(madera, | 
|  | madera_dsp_bus_error_irqs[dsp_num], | 
|  | "ADSP2 bus error", | 
|  | handler, | 
|  | &priv->adsp[dsp_num]); | 
|  | if (ret) | 
|  | dev_err(madera->dev, | 
|  | "Failed to request DSP Lock region IRQ: %d\n", ret); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_bus_error_irq); | 
|  |  | 
|  | void madera_free_bus_error_irq(struct madera_priv *priv, int dsp_num) | 
|  | { | 
|  | struct madera *madera = priv->madera; | 
|  |  | 
|  | madera_free_irq(madera, | 
|  | madera_dsp_bus_error_irqs[dsp_num], | 
|  | &priv->adsp[dsp_num]); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_free_bus_error_irq); | 
|  |  | 
|  | const char * const madera_mixer_texts[] = { | 
|  | "None", | 
|  | "Tone Generator 1", | 
|  | "Tone Generator 2", | 
|  | "Haptics", | 
|  | "AEC1", | 
|  | "AEC2", | 
|  | "Mic Mute Mixer", | 
|  | "Noise Generator", | 
|  | "IN1L", | 
|  | "IN1R", | 
|  | "IN2L", | 
|  | "IN2R", | 
|  | "IN3L", | 
|  | "IN3R", | 
|  | "IN4L", | 
|  | "IN4R", | 
|  | "IN5L", | 
|  | "IN5R", | 
|  | "IN6L", | 
|  | "IN6R", | 
|  | "AIF1RX1", | 
|  | "AIF1RX2", | 
|  | "AIF1RX3", | 
|  | "AIF1RX4", | 
|  | "AIF1RX5", | 
|  | "AIF1RX6", | 
|  | "AIF1RX7", | 
|  | "AIF1RX8", | 
|  | "AIF2RX1", | 
|  | "AIF2RX2", | 
|  | "AIF2RX3", | 
|  | "AIF2RX4", | 
|  | "AIF2RX5", | 
|  | "AIF2RX6", | 
|  | "AIF2RX7", | 
|  | "AIF2RX8", | 
|  | "AIF3RX1", | 
|  | "AIF3RX2", | 
|  | "AIF3RX3", | 
|  | "AIF3RX4", | 
|  | "AIF4RX1", | 
|  | "AIF4RX2", | 
|  | "SLIMRX1", | 
|  | "SLIMRX2", | 
|  | "SLIMRX3", | 
|  | "SLIMRX4", | 
|  | "SLIMRX5", | 
|  | "SLIMRX6", | 
|  | "SLIMRX7", | 
|  | "SLIMRX8", | 
|  | "EQ1", | 
|  | "EQ2", | 
|  | "EQ3", | 
|  | "EQ4", | 
|  | "DRC1L", | 
|  | "DRC1R", | 
|  | "DRC2L", | 
|  | "DRC2R", | 
|  | "LHPF1", | 
|  | "LHPF2", | 
|  | "LHPF3", | 
|  | "LHPF4", | 
|  | "DSP1.1", | 
|  | "DSP1.2", | 
|  | "DSP1.3", | 
|  | "DSP1.4", | 
|  | "DSP1.5", | 
|  | "DSP1.6", | 
|  | "DSP2.1", | 
|  | "DSP2.2", | 
|  | "DSP2.3", | 
|  | "DSP2.4", | 
|  | "DSP2.5", | 
|  | "DSP2.6", | 
|  | "DSP3.1", | 
|  | "DSP3.2", | 
|  | "DSP3.3", | 
|  | "DSP3.4", | 
|  | "DSP3.5", | 
|  | "DSP3.6", | 
|  | "DSP4.1", | 
|  | "DSP4.2", | 
|  | "DSP4.3", | 
|  | "DSP4.4", | 
|  | "DSP4.5", | 
|  | "DSP4.6", | 
|  | "DSP5.1", | 
|  | "DSP5.2", | 
|  | "DSP5.3", | 
|  | "DSP5.4", | 
|  | "DSP5.5", | 
|  | "DSP5.6", | 
|  | "DSP6.1", | 
|  | "DSP6.2", | 
|  | "DSP6.3", | 
|  | "DSP6.4", | 
|  | "DSP6.5", | 
|  | "DSP6.6", | 
|  | "DSP7.1", | 
|  | "DSP7.2", | 
|  | "DSP7.3", | 
|  | "DSP7.4", | 
|  | "DSP7.5", | 
|  | "DSP7.6", | 
|  | "ASRC1IN1L", | 
|  | "ASRC1IN1R", | 
|  | "ASRC1IN2L", | 
|  | "ASRC1IN2R", | 
|  | "ASRC2IN1L", | 
|  | "ASRC2IN1R", | 
|  | "ASRC2IN2L", | 
|  | "ASRC2IN2R", | 
|  | "ISRC1INT1", | 
|  | "ISRC1INT2", | 
|  | "ISRC1INT3", | 
|  | "ISRC1INT4", | 
|  | "ISRC1DEC1", | 
|  | "ISRC1DEC2", | 
|  | "ISRC1DEC3", | 
|  | "ISRC1DEC4", | 
|  | "ISRC2INT1", | 
|  | "ISRC2INT2", | 
|  | "ISRC2INT3", | 
|  | "ISRC2INT4", | 
|  | "ISRC2DEC1", | 
|  | "ISRC2DEC2", | 
|  | "ISRC2DEC3", | 
|  | "ISRC2DEC4", | 
|  | "ISRC3INT1", | 
|  | "ISRC3INT2", | 
|  | "ISRC3INT3", | 
|  | "ISRC3INT4", | 
|  | "ISRC3DEC1", | 
|  | "ISRC3DEC2", | 
|  | "ISRC3DEC3", | 
|  | "ISRC3DEC4", | 
|  | "ISRC4INT1", | 
|  | "ISRC4INT2", | 
|  | "ISRC4DEC1", | 
|  | "ISRC4DEC2", | 
|  | "DFC1", | 
|  | "DFC2", | 
|  | "DFC3", | 
|  | "DFC4", | 
|  | "DFC5", | 
|  | "DFC6", | 
|  | "DFC7", | 
|  | "DFC8", | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_mixer_texts); | 
|  |  | 
|  | const unsigned int madera_mixer_values[] = { | 
|  | 0x00,	/* None */ | 
|  | 0x04,	/* Tone Generator 1 */ | 
|  | 0x05,	/* Tone Generator 2 */ | 
|  | 0x06,	/* Haptics */ | 
|  | 0x08,	/* AEC */ | 
|  | 0x09,	/* AEC2 */ | 
|  | 0x0c,	/* Noise mixer */ | 
|  | 0x0d,	/* Comfort noise */ | 
|  | 0x10,	/* IN1L */ | 
|  | 0x11, | 
|  | 0x12, | 
|  | 0x13, | 
|  | 0x14, | 
|  | 0x15, | 
|  | 0x16, | 
|  | 0x17, | 
|  | 0x18, | 
|  | 0x19, | 
|  | 0x1A, | 
|  | 0x1B, | 
|  | 0x20,	/* AIF1RX1 */ | 
|  | 0x21, | 
|  | 0x22, | 
|  | 0x23, | 
|  | 0x24, | 
|  | 0x25, | 
|  | 0x26, | 
|  | 0x27, | 
|  | 0x28,	/* AIF2RX1 */ | 
|  | 0x29, | 
|  | 0x2a, | 
|  | 0x2b, | 
|  | 0x2c, | 
|  | 0x2d, | 
|  | 0x2e, | 
|  | 0x2f, | 
|  | 0x30,	/* AIF3RX1 */ | 
|  | 0x31, | 
|  | 0x32, | 
|  | 0x33, | 
|  | 0x34,	/* AIF4RX1 */ | 
|  | 0x35, | 
|  | 0x38,	/* SLIMRX1 */ | 
|  | 0x39, | 
|  | 0x3a, | 
|  | 0x3b, | 
|  | 0x3c, | 
|  | 0x3d, | 
|  | 0x3e, | 
|  | 0x3f, | 
|  | 0x50,	/* EQ1 */ | 
|  | 0x51, | 
|  | 0x52, | 
|  | 0x53, | 
|  | 0x58,	/* DRC1L */ | 
|  | 0x59, | 
|  | 0x5a, | 
|  | 0x5b, | 
|  | 0x60,	/* LHPF1 */ | 
|  | 0x61, | 
|  | 0x62, | 
|  | 0x63, | 
|  | 0x68,	/* DSP1.1 */ | 
|  | 0x69, | 
|  | 0x6a, | 
|  | 0x6b, | 
|  | 0x6c, | 
|  | 0x6d, | 
|  | 0x70,	/* DSP2.1 */ | 
|  | 0x71, | 
|  | 0x72, | 
|  | 0x73, | 
|  | 0x74, | 
|  | 0x75, | 
|  | 0x78,	/* DSP3.1 */ | 
|  | 0x79, | 
|  | 0x7a, | 
|  | 0x7b, | 
|  | 0x7c, | 
|  | 0x7d, | 
|  | 0x80,	/* DSP4.1 */ | 
|  | 0x81, | 
|  | 0x82, | 
|  | 0x83, | 
|  | 0x84, | 
|  | 0x85, | 
|  | 0x88,	/* DSP5.1 */ | 
|  | 0x89, | 
|  | 0x8a, | 
|  | 0x8b, | 
|  | 0x8c, | 
|  | 0x8d, | 
|  | 0xc0,	/* DSP6.1 */ | 
|  | 0xc1, | 
|  | 0xc2, | 
|  | 0xc3, | 
|  | 0xc4, | 
|  | 0xc5, | 
|  | 0xc8,	/* DSP7.1 */ | 
|  | 0xc9, | 
|  | 0xca, | 
|  | 0xcb, | 
|  | 0xcc, | 
|  | 0xcd, | 
|  | 0x90,	/* ASRC1IN1L */ | 
|  | 0x91, | 
|  | 0x92, | 
|  | 0x93, | 
|  | 0x94,	/* ASRC2IN1L */ | 
|  | 0x95, | 
|  | 0x96, | 
|  | 0x97, | 
|  | 0xa0,	/* ISRC1INT1 */ | 
|  | 0xa1, | 
|  | 0xa2, | 
|  | 0xa3, | 
|  | 0xa4,	/* ISRC1DEC1 */ | 
|  | 0xa5, | 
|  | 0xa6, | 
|  | 0xa7, | 
|  | 0xa8,	/* ISRC2DEC1 */ | 
|  | 0xa9, | 
|  | 0xaa, | 
|  | 0xab, | 
|  | 0xac,	/* ISRC2INT1 */ | 
|  | 0xad, | 
|  | 0xae, | 
|  | 0xaf, | 
|  | 0xb0,	/* ISRC3DEC1 */ | 
|  | 0xb1, | 
|  | 0xb2, | 
|  | 0xb3, | 
|  | 0xb4,	/* ISRC3INT1 */ | 
|  | 0xb5, | 
|  | 0xb6, | 
|  | 0xb7, | 
|  | 0xb8,	/* ISRC4INT1 */ | 
|  | 0xb9, | 
|  | 0xbc,	/* ISRC4DEC1 */ | 
|  | 0xbd, | 
|  | 0xf8,	/* DFC1 */ | 
|  | 0xf9, | 
|  | 0xfa, | 
|  | 0xfb, | 
|  | 0xfc, | 
|  | 0xfd, | 
|  | 0xfe, | 
|  | 0xff,	/* DFC8 */ | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_mixer_values); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_ana_tlv, 0, 100, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_ana_tlv); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_eq_tlv, -1200, 100, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_eq_tlv); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_digital_tlv, -6400, 50, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_digital_tlv); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_noise_tlv, -13200, 600, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_noise_tlv); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_ng_tlv, -12000, 600, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_ng_tlv); | 
|  |  | 
|  | const DECLARE_TLV_DB_SCALE(madera_mixer_tlv, -3200, 100, 0); | 
|  | EXPORT_SYMBOL_GPL(madera_mixer_tlv); | 
|  |  | 
|  | const char * const madera_rate_text[MADERA_RATE_ENUM_SIZE] = { | 
|  | "SYNCCLK rate 1", "SYNCCLK rate 2", "SYNCCLK rate 3", | 
|  | "ASYNCCLK rate 1", "ASYNCCLK rate 2", | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_rate_text); | 
|  |  | 
|  | const unsigned int madera_rate_val[MADERA_RATE_ENUM_SIZE] = { | 
|  | 0x0, 0x1, 0x2, 0x8, 0x9, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_rate_val); | 
|  |  | 
|  | static const char * const madera_dfc_width_text[MADERA_DFC_WIDTH_ENUM_SIZE] = { | 
|  | "8 bit", "16 bit", "20 bit", "24 bit", "32 bit", | 
|  | }; | 
|  |  | 
|  | static const unsigned int madera_dfc_width_val[MADERA_DFC_WIDTH_ENUM_SIZE] = { | 
|  | 7, 15, 19, 23, 31, | 
|  | }; | 
|  |  | 
|  | static const char * const madera_dfc_type_text[MADERA_DFC_TYPE_ENUM_SIZE] = { | 
|  | "Fixed", "Unsigned Fixed", "Single Precision Floating", | 
|  | "Half Precision Floating", "Arm Alternative Floating", | 
|  | }; | 
|  |  | 
|  | static const unsigned int madera_dfc_type_val[MADERA_DFC_TYPE_ENUM_SIZE] = { | 
|  | 0, 1, 2, 4, 5, | 
|  | }; | 
|  |  | 
|  | const struct soc_enum madera_dfc_width[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_RX, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_RX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_TX, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_WIDTH_MASK >> | 
|  | MADERA_DFC1_TX_DATA_WIDTH_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_width_text), | 
|  | madera_dfc_width_text, | 
|  | madera_dfc_width_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_dfc_width); | 
|  |  | 
|  | const struct soc_enum madera_dfc_type[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_RX, | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_RX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_RX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_TX, | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | MADERA_DFC1_TX_DATA_TYPE_MASK >> | 
|  | MADERA_DFC1_TX_DATA_TYPE_SHIFT, | 
|  | ARRAY_SIZE(madera_dfc_type_text), | 
|  | madera_dfc_type_text, | 
|  | madera_dfc_type_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_dfc_type); | 
|  |  | 
|  | const struct soc_enum madera_isrc_fsh[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_1_CTRL_1, | 
|  | MADERA_ISRC1_FSH_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_2_CTRL_1, | 
|  | MADERA_ISRC2_FSH_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_3_CTRL_1, | 
|  | MADERA_ISRC3_FSH_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_4_CTRL_1, | 
|  | MADERA_ISRC4_FSH_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_isrc_fsh); | 
|  |  | 
|  | const struct soc_enum madera_isrc_fsl[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_1_CTRL_2, | 
|  | MADERA_ISRC1_FSL_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_2_CTRL_2, | 
|  | MADERA_ISRC2_FSL_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_3_CTRL_2, | 
|  | MADERA_ISRC3_FSL_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_4_CTRL_2, | 
|  | MADERA_ISRC4_FSL_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_isrc_fsl); | 
|  |  | 
|  | const struct soc_enum madera_asrc1_rate[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE1, | 
|  | MADERA_ASRC1_RATE1_SHIFT, 0xf, | 
|  | MADERA_SYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE2, | 
|  | MADERA_ASRC1_RATE1_SHIFT, 0xf, | 
|  | MADERA_ASYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_asrc1_rate); | 
|  |  | 
|  | const struct soc_enum madera_asrc1_bidir_rate[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE1, | 
|  | MADERA_ASRC1_RATE1_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE2, | 
|  | MADERA_ASRC1_RATE2_SHIFT, 0xf, | 
|  | MADERA_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_asrc1_bidir_rate); | 
|  |  | 
|  | const struct soc_enum madera_asrc2_rate[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC2_RATE1, | 
|  | MADERA_ASRC2_RATE1_SHIFT, 0xf, | 
|  | MADERA_SYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_text, madera_rate_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_ASRC2_RATE2, | 
|  | MADERA_ASRC2_RATE2_SHIFT, 0xf, | 
|  | MADERA_ASYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE, | 
|  | madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_asrc2_rate); | 
|  |  | 
|  | static const char * const madera_vol_ramp_text[] = { | 
|  | "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", | 
|  | "15ms/6dB", "30ms/6dB", | 
|  | }; | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_in_vd_ramp, | 
|  | MADERA_INPUT_VOLUME_RAMP, | 
|  | MADERA_IN_VD_RAMP_SHIFT, | 
|  | madera_vol_ramp_text); | 
|  | EXPORT_SYMBOL_GPL(madera_in_vd_ramp); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_in_vi_ramp, | 
|  | MADERA_INPUT_VOLUME_RAMP, | 
|  | MADERA_IN_VI_RAMP_SHIFT, | 
|  | madera_vol_ramp_text); | 
|  | EXPORT_SYMBOL_GPL(madera_in_vi_ramp); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_out_vd_ramp, | 
|  | MADERA_OUTPUT_VOLUME_RAMP, | 
|  | MADERA_OUT_VD_RAMP_SHIFT, | 
|  | madera_vol_ramp_text); | 
|  | EXPORT_SYMBOL_GPL(madera_out_vd_ramp); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_out_vi_ramp, | 
|  | MADERA_OUTPUT_VOLUME_RAMP, | 
|  | MADERA_OUT_VI_RAMP_SHIFT, | 
|  | madera_vol_ramp_text); | 
|  | EXPORT_SYMBOL_GPL(madera_out_vi_ramp); | 
|  |  | 
|  | static const char * const madera_lhpf_mode_text[] = { | 
|  | "Low-pass", "High-pass" | 
|  | }; | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_lhpf1_mode, | 
|  | MADERA_HPLPF1_1, | 
|  | MADERA_LHPF1_MODE_SHIFT, | 
|  | madera_lhpf_mode_text); | 
|  | EXPORT_SYMBOL_GPL(madera_lhpf1_mode); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_lhpf2_mode, | 
|  | MADERA_HPLPF2_1, | 
|  | MADERA_LHPF2_MODE_SHIFT, | 
|  | madera_lhpf_mode_text); | 
|  | EXPORT_SYMBOL_GPL(madera_lhpf2_mode); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_lhpf3_mode, | 
|  | MADERA_HPLPF3_1, | 
|  | MADERA_LHPF3_MODE_SHIFT, | 
|  | madera_lhpf_mode_text); | 
|  | EXPORT_SYMBOL_GPL(madera_lhpf3_mode); | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_lhpf4_mode, | 
|  | MADERA_HPLPF4_1, | 
|  | MADERA_LHPF4_MODE_SHIFT, | 
|  | madera_lhpf_mode_text); | 
|  | EXPORT_SYMBOL_GPL(madera_lhpf4_mode); | 
|  |  | 
|  | static const char * const madera_ng_hold_text[] = { | 
|  | "30ms", "120ms", "250ms", "500ms", | 
|  | }; | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_ng_hold, | 
|  | MADERA_NOISE_GATE_CONTROL, | 
|  | MADERA_NGATE_HOLD_SHIFT, | 
|  | madera_ng_hold_text); | 
|  | EXPORT_SYMBOL_GPL(madera_ng_hold); | 
|  |  | 
|  | static const char * const madera_in_hpf_cut_text[] = { | 
|  | "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz" | 
|  | }; | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_in_hpf_cut_enum, | 
|  | MADERA_HPF_CONTROL, | 
|  | MADERA_IN_HPF_CUT_SHIFT, | 
|  | madera_in_hpf_cut_text); | 
|  | EXPORT_SYMBOL_GPL(madera_in_hpf_cut_enum); | 
|  |  | 
|  | static const char * const madera_in_dmic_osr_text[MADERA_OSR_ENUM_SIZE] = { | 
|  | "384kHz", "768kHz", "1.536MHz", "3.072MHz", "6.144MHz", | 
|  | }; | 
|  |  | 
|  | static const unsigned int madera_in_dmic_osr_val[MADERA_OSR_ENUM_SIZE] = { | 
|  | 2, 3, 4, 5, 6, | 
|  | }; | 
|  |  | 
|  | const struct soc_enum madera_in_dmic_osr[] = { | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC1L_CONTROL, MADERA_IN1_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC2L_CONTROL, MADERA_IN2_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC3L_CONTROL, MADERA_IN3_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC4L_CONTROL, MADERA_IN4_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC5L_CONTROL, MADERA_IN5_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | SOC_VALUE_ENUM_SINGLE(MADERA_DMIC6L_CONTROL, MADERA_IN6_OSR_SHIFT, | 
|  | 0x7, MADERA_OSR_ENUM_SIZE, | 
|  | madera_in_dmic_osr_text, madera_in_dmic_osr_val), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_in_dmic_osr); | 
|  |  | 
|  | static const char * const madera_anc_input_src_text[] = { | 
|  | "None", "IN1", "IN2", "IN3", "IN4", "IN5", "IN6", | 
|  | }; | 
|  |  | 
|  | static const char * const madera_anc_channel_src_text[] = { | 
|  | "None", "Left", "Right", "Combine", | 
|  | }; | 
|  |  | 
|  | const struct soc_enum madera_anc_input_src[] = { | 
|  | SOC_ENUM_SINGLE(MADERA_ANC_SRC, | 
|  | MADERA_IN_RXANCL_SEL_SHIFT, | 
|  | ARRAY_SIZE(madera_anc_input_src_text), | 
|  | madera_anc_input_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_FCL_ADC_REFORMATTER_CONTROL, | 
|  | MADERA_FCL_MIC_MODE_SEL_SHIFT, | 
|  | ARRAY_SIZE(madera_anc_channel_src_text), | 
|  | madera_anc_channel_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_ANC_SRC, | 
|  | MADERA_IN_RXANCR_SEL_SHIFT, | 
|  | ARRAY_SIZE(madera_anc_input_src_text), | 
|  | madera_anc_input_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_FCR_ADC_REFORMATTER_CONTROL, | 
|  | MADERA_FCR_MIC_MODE_SEL_SHIFT, | 
|  | ARRAY_SIZE(madera_anc_channel_src_text), | 
|  | madera_anc_channel_src_text), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_anc_input_src); | 
|  |  | 
|  | static const char * const madera_anc_ng_texts[] = { | 
|  | "None", "Internal", "External", | 
|  | }; | 
|  |  | 
|  | SOC_ENUM_SINGLE_DECL(madera_anc_ng_enum, SND_SOC_NOPM, 0, madera_anc_ng_texts); | 
|  | EXPORT_SYMBOL_GPL(madera_anc_ng_enum); | 
|  |  | 
|  | static const char * const madera_out_anc_src_text[] = { | 
|  | "None", "RXANCL", "RXANCR", | 
|  | }; | 
|  |  | 
|  | const struct soc_enum madera_output_anc_src[] = { | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_1L, | 
|  | MADERA_OUT1L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_1R, | 
|  | MADERA_OUT1R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_2L, | 
|  | MADERA_OUT2L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_2R, | 
|  | MADERA_OUT2R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_3L, | 
|  | MADERA_OUT3L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_3R, | 
|  | MADERA_OUT3R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_4L, | 
|  | MADERA_OUT4L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_4R, | 
|  | MADERA_OUT4R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_5L, | 
|  | MADERA_OUT5L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_5R, | 
|  | MADERA_OUT5R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_6L, | 
|  | MADERA_OUT6L_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_6R, | 
|  | MADERA_OUT6R_ANC_SRC_SHIFT, | 
|  | ARRAY_SIZE(madera_out_anc_src_text), | 
|  | madera_out_anc_src_text), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_output_anc_src); | 
|  |  | 
|  | int madera_dfc_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_component_get_dapm(component); | 
|  | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | 
|  | unsigned int reg = e->reg; | 
|  | unsigned int val; | 
|  | int ret = 0; | 
|  |  | 
|  | reg = ((reg / 6) * 6) - 2; | 
|  |  | 
|  | snd_soc_dapm_mutex_lock(dapm); | 
|  |  | 
|  | val = snd_soc_component_read(component, reg); | 
|  | if (val & MADERA_DFC1_ENA) { | 
|  | ret = -EBUSY; | 
|  | dev_err(component->dev, "Can't change mode on an active DFC\n"); | 
|  | goto exit; | 
|  | } | 
|  |  | 
|  | ret = snd_soc_put_enum_double(kcontrol, ucontrol); | 
|  | exit: | 
|  | snd_soc_dapm_mutex_unlock(dapm); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_dfc_put); | 
|  |  | 
|  | int madera_lp_mode_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct soc_mixer_control *mc = | 
|  | (struct soc_mixer_control *)kcontrol->private_value; | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_component_get_dapm(component); | 
|  | unsigned int val, mask; | 
|  | int ret; | 
|  |  | 
|  | snd_soc_dapm_mutex_lock(dapm); | 
|  |  | 
|  | /* Cannot change lp mode on an active input */ | 
|  | val = snd_soc_component_read(component, MADERA_INPUT_ENABLES); | 
|  | mask = (mc->reg - MADERA_ADC_DIGITAL_VOLUME_1L) / 4; | 
|  | mask ^= 0x1; /* Flip bottom bit for channel order */ | 
|  |  | 
|  | if (val & (1 << mask)) { | 
|  | ret = -EBUSY; | 
|  | dev_err(component->dev, | 
|  | "Can't change lp mode on an active input\n"); | 
|  | goto exit; | 
|  | } | 
|  |  | 
|  | ret = snd_soc_put_volsw(kcontrol, ucontrol); | 
|  |  | 
|  | exit: | 
|  | snd_soc_dapm_mutex_unlock(dapm); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_lp_mode_put); | 
|  |  | 
|  | const struct snd_kcontrol_new madera_dsp_trigger_output_mux[] = { | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_dsp_trigger_output_mux); | 
|  |  | 
|  | const struct snd_kcontrol_new madera_drc_activity_output_mux[] = { | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_drc_activity_output_mux); | 
|  |  | 
|  | static void madera_in_set_vu(struct madera_priv *priv, bool enable) | 
|  | { | 
|  | unsigned int val; | 
|  | int i, ret; | 
|  |  | 
|  | if (enable) | 
|  | val = MADERA_IN_VU; | 
|  | else | 
|  | val = 0; | 
|  |  | 
|  | for (i = 0; i < priv->num_inputs; i++) { | 
|  | ret = regmap_update_bits(priv->madera->regmap, | 
|  | MADERA_ADC_DIGITAL_VOLUME_1L + (i * 4), | 
|  | MADERA_IN_VU, val); | 
|  | if (ret) | 
|  | dev_warn(priv->madera->dev, | 
|  | "Failed to modify VU bits: %d\n", ret); | 
|  | } | 
|  | } | 
|  |  | 
|  | int madera_in_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | unsigned int reg, val; | 
|  |  | 
|  | if (w->shift % 2) | 
|  | reg = MADERA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); | 
|  | else | 
|  | reg = MADERA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_PRE_PMU: | 
|  | priv->in_pending++; | 
|  | break; | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | priv->in_pending--; | 
|  | snd_soc_component_update_bits(component, reg, | 
|  | MADERA_IN1L_MUTE, 0); | 
|  |  | 
|  | /* If this is the last input pending then allow VU */ | 
|  | if (priv->in_pending == 0) { | 
|  | usleep_range(1000, 3000); | 
|  | madera_in_set_vu(priv, true); | 
|  | } | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | snd_soc_component_update_bits(component, reg, | 
|  | MADERA_IN1L_MUTE | MADERA_IN_VU, | 
|  | MADERA_IN1L_MUTE | MADERA_IN_VU); | 
|  | break; | 
|  | case SND_SOC_DAPM_POST_PMD: | 
|  | /* Disable volume updates if no inputs are enabled */ | 
|  | val = snd_soc_component_read(component, MADERA_INPUT_ENABLES); | 
|  | if (!val) | 
|  | madera_in_set_vu(priv, false); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_in_ev); | 
|  |  | 
|  | int madera_out_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | int out_up_delay; | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS47L90: | 
|  | case CS47L91: | 
|  | case CS42L92: | 
|  | case CS47L92: | 
|  | case CS47L93: | 
|  | out_up_delay = 6; | 
|  | break; | 
|  | default: | 
|  | out_up_delay = 17; | 
|  | break; | 
|  | } | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_PRE_PMU: | 
|  | switch (w->shift) { | 
|  | case MADERA_OUT1L_ENA_SHIFT: | 
|  | case MADERA_OUT1R_ENA_SHIFT: | 
|  | case MADERA_OUT2L_ENA_SHIFT: | 
|  | case MADERA_OUT2R_ENA_SHIFT: | 
|  | case MADERA_OUT3L_ENA_SHIFT: | 
|  | case MADERA_OUT3R_ENA_SHIFT: | 
|  | priv->out_up_pending++; | 
|  | priv->out_up_delay += out_up_delay; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | switch (w->shift) { | 
|  | case MADERA_OUT1L_ENA_SHIFT: | 
|  | case MADERA_OUT1R_ENA_SHIFT: | 
|  | case MADERA_OUT2L_ENA_SHIFT: | 
|  | case MADERA_OUT2R_ENA_SHIFT: | 
|  | case MADERA_OUT3L_ENA_SHIFT: | 
|  | case MADERA_OUT3R_ENA_SHIFT: | 
|  | priv->out_up_pending--; | 
|  | if (!priv->out_up_pending) { | 
|  | msleep(priv->out_up_delay); | 
|  | priv->out_up_delay = 0; | 
|  | } | 
|  | break; | 
|  |  | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | switch (w->shift) { | 
|  | case MADERA_OUT1L_ENA_SHIFT: | 
|  | case MADERA_OUT1R_ENA_SHIFT: | 
|  | case MADERA_OUT2L_ENA_SHIFT: | 
|  | case MADERA_OUT2R_ENA_SHIFT: | 
|  | case MADERA_OUT3L_ENA_SHIFT: | 
|  | case MADERA_OUT3R_ENA_SHIFT: | 
|  | priv->out_down_pending++; | 
|  | priv->out_down_delay++; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case SND_SOC_DAPM_POST_PMD: | 
|  | switch (w->shift) { | 
|  | case MADERA_OUT1L_ENA_SHIFT: | 
|  | case MADERA_OUT1R_ENA_SHIFT: | 
|  | case MADERA_OUT2L_ENA_SHIFT: | 
|  | case MADERA_OUT2R_ENA_SHIFT: | 
|  | case MADERA_OUT3L_ENA_SHIFT: | 
|  | case MADERA_OUT3R_ENA_SHIFT: | 
|  | priv->out_down_pending--; | 
|  | if (!priv->out_down_pending) { | 
|  | msleep(priv->out_down_delay); | 
|  | priv->out_down_delay = 0; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_out_ev); | 
|  |  | 
|  | int madera_hp_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | unsigned int mask = 1 << w->shift; | 
|  | unsigned int out_num = w->shift / 2; | 
|  | unsigned int val; | 
|  | unsigned int ep_sel = 0; | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | val = mask; | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | val = 0; | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMU: | 
|  | case SND_SOC_DAPM_POST_PMD: | 
|  | return madera_out_ev(w, kcontrol, event); | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Store the desired state for the HP outputs */ | 
|  | madera->hp_ena &= ~mask; | 
|  | madera->hp_ena |= val; | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS42L92: | 
|  | case CS47L92: | 
|  | case CS47L93: | 
|  | break; | 
|  | default: | 
|  | /* if OUT1 is routed to EPOUT, ignore HP clamp and impedance */ | 
|  | regmap_read(madera->regmap, MADERA_OUTPUT_ENABLES_1, &ep_sel); | 
|  | ep_sel &= MADERA_EP_SEL_MASK; | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* Force off if HPDET has disabled the clamp for this output */ | 
|  | if (!ep_sel && | 
|  | (!madera->out_clamp[out_num] || madera->out_shorted[out_num])) | 
|  | val = 0; | 
|  |  | 
|  | regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, mask, val); | 
|  |  | 
|  | return madera_out_ev(w, kcontrol, event); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_hp_ev); | 
|  |  | 
|  | int madera_anc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, | 
|  | int event) | 
|  | { | 
|  | struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); | 
|  | unsigned int val; | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | val = 1 << w->shift; | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | val = 1 << (w->shift + 1); | 
|  | break; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | snd_soc_component_write(component, MADERA_CLOCK_CONTROL, val); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_anc_ev); | 
|  |  | 
|  | static const unsigned int madera_opclk_ref_48k_rates[] = { | 
|  | 6144000, | 
|  | 12288000, | 
|  | 24576000, | 
|  | 49152000, | 
|  | }; | 
|  |  | 
|  | static const unsigned int madera_opclk_ref_44k1_rates[] = { | 
|  | 5644800, | 
|  | 11289600, | 
|  | 22579200, | 
|  | 45158400, | 
|  | }; | 
|  |  | 
|  | static int madera_set_opclk(struct snd_soc_component *component, | 
|  | unsigned int clk, unsigned int freq) | 
|  | { | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | unsigned int mask = MADERA_OPCLK_DIV_MASK | MADERA_OPCLK_SEL_MASK; | 
|  | unsigned int reg, val; | 
|  | const unsigned int *rates; | 
|  | int ref, div, refclk; | 
|  |  | 
|  | BUILD_BUG_ON(ARRAY_SIZE(madera_opclk_ref_48k_rates) != | 
|  | ARRAY_SIZE(madera_opclk_ref_44k1_rates)); | 
|  |  | 
|  | switch (clk) { | 
|  | case MADERA_CLK_OPCLK: | 
|  | reg = MADERA_OUTPUT_SYSTEM_CLOCK; | 
|  | refclk = priv->sysclk; | 
|  | break; | 
|  | case MADERA_CLK_ASYNC_OPCLK: | 
|  | reg = MADERA_OUTPUT_ASYNC_CLOCK; | 
|  | refclk = priv->asyncclk; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (refclk % 4000) | 
|  | rates = madera_opclk_ref_44k1_rates; | 
|  | else | 
|  | rates = madera_opclk_ref_48k_rates; | 
|  |  | 
|  | for (ref = 0; ref < ARRAY_SIZE(madera_opclk_ref_48k_rates); ++ref) { | 
|  | if (rates[ref] > refclk) | 
|  | continue; | 
|  |  | 
|  | div = 2; | 
|  | while ((rates[ref] / div >= freq) && (div <= 30)) { | 
|  | if (rates[ref] / div == freq) { | 
|  | dev_dbg(component->dev, "Configured %dHz OPCLK\n", | 
|  | freq); | 
|  |  | 
|  | val = (div << MADERA_OPCLK_DIV_SHIFT) | ref; | 
|  |  | 
|  | snd_soc_component_update_bits(component, reg, | 
|  | mask, val); | 
|  | return 0; | 
|  | } | 
|  | div += 2; | 
|  | } | 
|  | } | 
|  |  | 
|  | dev_err(component->dev, "Unable to generate %dHz OPCLK\n", freq); | 
|  |  | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static int madera_get_sysclk_setting(unsigned int freq) | 
|  | { | 
|  | switch (freq) { | 
|  | case 0: | 
|  | case 5644800: | 
|  | case 6144000: | 
|  | return 0; | 
|  | case 11289600: | 
|  | case 12288000: | 
|  | return MADERA_SYSCLK_12MHZ << MADERA_SYSCLK_FREQ_SHIFT; | 
|  | case 22579200: | 
|  | case 24576000: | 
|  | return MADERA_SYSCLK_24MHZ << MADERA_SYSCLK_FREQ_SHIFT; | 
|  | case 45158400: | 
|  | case 49152000: | 
|  | return MADERA_SYSCLK_49MHZ << MADERA_SYSCLK_FREQ_SHIFT; | 
|  | case 90316800: | 
|  | case 98304000: | 
|  | return MADERA_SYSCLK_98MHZ << MADERA_SYSCLK_FREQ_SHIFT; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_get_legacy_dspclk_setting(struct madera *madera, | 
|  | unsigned int freq) | 
|  | { | 
|  | switch (freq) { | 
|  | case 0: | 
|  | return 0; | 
|  | case 45158400: | 
|  | case 49152000: | 
|  | switch (madera->type) { | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | if (madera->rev < 3) | 
|  | return -EINVAL; | 
|  | else | 
|  | return MADERA_SYSCLK_49MHZ << | 
|  | MADERA_SYSCLK_FREQ_SHIFT; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | case 135475200: | 
|  | case 147456000: | 
|  | return MADERA_DSPCLK_147MHZ << MADERA_DSP_CLK_FREQ_LEGACY_SHIFT; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_get_dspclk_setting(struct madera *madera, | 
|  | unsigned int freq, | 
|  | unsigned int *clock_2_val) | 
|  | { | 
|  | switch (madera->type) { | 
|  | case CS47L35: | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | *clock_2_val = 0; /* don't use MADERA_DSP_CLOCK_2 */ | 
|  | return madera_get_legacy_dspclk_setting(madera, freq); | 
|  | default: | 
|  | if (freq > 150000000) | 
|  | return -EINVAL; | 
|  |  | 
|  | /* Use new exact frequency control */ | 
|  | *clock_2_val = freq / 15625; /* freq * (2^6) / (10^6) */ | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_set_outclk(struct snd_soc_component *component, | 
|  | unsigned int source, unsigned int freq) | 
|  | { | 
|  | int div, div_inc, rate; | 
|  |  | 
|  | switch (source) { | 
|  | case MADERA_OUTCLK_SYSCLK: | 
|  | dev_dbg(component->dev, "Configured OUTCLK to SYSCLK\n"); | 
|  | snd_soc_component_update_bits(component, MADERA_OUTPUT_RATE_1, | 
|  | MADERA_OUT_CLK_SRC_MASK, source); | 
|  | return 0; | 
|  | case MADERA_OUTCLK_ASYNCCLK: | 
|  | dev_dbg(component->dev, "Configured OUTCLK to ASYNCCLK\n"); | 
|  | snd_soc_component_update_bits(component, MADERA_OUTPUT_RATE_1, | 
|  | MADERA_OUT_CLK_SRC_MASK, source); | 
|  | return 0; | 
|  | case MADERA_OUTCLK_MCLK1: | 
|  | case MADERA_OUTCLK_MCLK2: | 
|  | case MADERA_OUTCLK_MCLK3: | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (freq % 4000) | 
|  | rate = 5644800; | 
|  | else | 
|  | rate = 6144000; | 
|  |  | 
|  | div = 1; | 
|  | div_inc = 0; | 
|  | while (div <= 8) { | 
|  | if (freq / div == rate && !(freq % div)) { | 
|  | dev_dbg(component->dev, "Configured %dHz OUTCLK\n", rate); | 
|  | snd_soc_component_update_bits(component, | 
|  | MADERA_OUTPUT_RATE_1, | 
|  | MADERA_OUT_EXT_CLK_DIV_MASK | | 
|  | MADERA_OUT_CLK_SRC_MASK, | 
|  | (div_inc << MADERA_OUT_EXT_CLK_DIV_SHIFT) | | 
|  | source); | 
|  | return 0; | 
|  | } | 
|  | div_inc++; | 
|  | div *= 2; | 
|  | } | 
|  |  | 
|  | dev_err(component->dev, | 
|  | "Unable to generate %dHz OUTCLK from %dHz MCLK\n", | 
|  | rate, freq); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | int madera_set_sysclk(struct snd_soc_component *component, int clk_id, | 
|  | int source, unsigned int freq, int dir) | 
|  | { | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | char *name; | 
|  | unsigned int reg, clock_2_val = 0; | 
|  | unsigned int mask = MADERA_SYSCLK_FREQ_MASK | MADERA_SYSCLK_SRC_MASK; | 
|  | unsigned int val = source << MADERA_SYSCLK_SRC_SHIFT; | 
|  | int clk_freq_sel, *clk; | 
|  | int ret = 0; | 
|  |  | 
|  | switch (clk_id) { | 
|  | case MADERA_CLK_SYSCLK_1: | 
|  | name = "SYSCLK"; | 
|  | reg = MADERA_SYSTEM_CLOCK_1; | 
|  | clk = &priv->sysclk; | 
|  | clk_freq_sel = madera_get_sysclk_setting(freq); | 
|  | mask |= MADERA_SYSCLK_FRAC; | 
|  | break; | 
|  | case MADERA_CLK_ASYNCCLK_1: | 
|  | name = "ASYNCCLK"; | 
|  | reg = MADERA_ASYNC_CLOCK_1; | 
|  | clk = &priv->asyncclk; | 
|  | clk_freq_sel = madera_get_sysclk_setting(freq); | 
|  | break; | 
|  | case MADERA_CLK_DSPCLK: | 
|  | name = "DSPCLK"; | 
|  | reg = MADERA_DSP_CLOCK_1; | 
|  | clk = &priv->dspclk; | 
|  | clk_freq_sel = madera_get_dspclk_setting(madera, freq, | 
|  | &clock_2_val); | 
|  | break; | 
|  | case MADERA_CLK_OPCLK: | 
|  | case MADERA_CLK_ASYNC_OPCLK: | 
|  | return madera_set_opclk(component, clk_id, freq); | 
|  | case MADERA_CLK_OUTCLK: | 
|  | return madera_set_outclk(component, source, freq); | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (clk_freq_sel < 0) { | 
|  | dev_err(madera->dev, | 
|  | "Failed to get clk setting for %dHZ\n", freq); | 
|  | return clk_freq_sel; | 
|  | } | 
|  |  | 
|  | *clk = freq; | 
|  |  | 
|  | if (freq == 0) { | 
|  | dev_dbg(madera->dev, "%s cleared\n", name); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | val |= clk_freq_sel; | 
|  |  | 
|  | if (clock_2_val) { | 
|  | ret = regmap_write(madera->regmap, MADERA_DSP_CLOCK_2, | 
|  | clock_2_val); | 
|  | if (ret) { | 
|  | dev_err(madera->dev, | 
|  | "Failed to write DSP_CONFIG2: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * We're using the frequency setting in MADERA_DSP_CLOCK_2 so | 
|  | * don't change the frequency select bits in MADERA_DSP_CLOCK_1 | 
|  | */ | 
|  | mask = MADERA_SYSCLK_SRC_MASK; | 
|  | } | 
|  |  | 
|  | if (freq % 6144000) | 
|  | val |= MADERA_SYSCLK_FRAC; | 
|  |  | 
|  | dev_dbg(madera->dev, "%s set to %uHz\n", name, freq); | 
|  |  | 
|  | return regmap_update_bits(madera->regmap, reg, mask, val); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_sysclk); | 
|  |  | 
|  | static int madera_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | int lrclk, bclk, mode, base; | 
|  |  | 
|  | base = dai->driver->base; | 
|  |  | 
|  | lrclk = 0; | 
|  | bclk = 0; | 
|  |  | 
|  | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | 
|  | case SND_SOC_DAIFMT_DSP_A: | 
|  | mode = MADERA_FMT_DSP_MODE_A; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_DSP_B: | 
|  | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != | 
|  | SND_SOC_DAIFMT_CBM_CFM) { | 
|  | madera_aif_err(dai, "DSP_B not valid in slave mode\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  | mode = MADERA_FMT_DSP_MODE_B; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_I2S: | 
|  | mode = MADERA_FMT_I2S_MODE; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_LEFT_J: | 
|  | if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != | 
|  | SND_SOC_DAIFMT_CBM_CFM) { | 
|  | madera_aif_err(dai, "LEFT_J not valid in slave mode\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  | mode = MADERA_FMT_LEFT_JUSTIFIED_MODE; | 
|  | break; | 
|  | default: | 
|  | madera_aif_err(dai, "Unsupported DAI format %d\n", | 
|  | fmt & SND_SOC_DAIFMT_FORMAT_MASK); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | 
|  | case SND_SOC_DAIFMT_CBS_CFS: | 
|  | break; | 
|  | case SND_SOC_DAIFMT_CBS_CFM: | 
|  | lrclk |= MADERA_AIF1TX_LRCLK_MSTR; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_CBM_CFS: | 
|  | bclk |= MADERA_AIF1_BCLK_MSTR; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_CBM_CFM: | 
|  | bclk |= MADERA_AIF1_BCLK_MSTR; | 
|  | lrclk |= MADERA_AIF1TX_LRCLK_MSTR; | 
|  | break; | 
|  | default: | 
|  | madera_aif_err(dai, "Unsupported master mode %d\n", | 
|  | fmt & SND_SOC_DAIFMT_MASTER_MASK); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | 
|  | case SND_SOC_DAIFMT_NB_NF: | 
|  | break; | 
|  | case SND_SOC_DAIFMT_IB_IF: | 
|  | bclk |= MADERA_AIF1_BCLK_INV; | 
|  | lrclk |= MADERA_AIF1TX_LRCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_IB_NF: | 
|  | bclk |= MADERA_AIF1_BCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_NB_IF: | 
|  | lrclk |= MADERA_AIF1TX_LRCLK_INV; | 
|  | break; | 
|  | default: | 
|  | madera_aif_err(dai, "Unsupported invert mode %d\n", | 
|  | fmt & SND_SOC_DAIFMT_INV_MASK); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | regmap_update_bits(madera->regmap, base + MADERA_AIF_BCLK_CTRL, | 
|  | MADERA_AIF1_BCLK_INV | MADERA_AIF1_BCLK_MSTR, | 
|  | bclk); | 
|  | regmap_update_bits(madera->regmap, base + MADERA_AIF_TX_PIN_CTRL, | 
|  | MADERA_AIF1TX_LRCLK_INV | MADERA_AIF1TX_LRCLK_MSTR, | 
|  | lrclk); | 
|  | regmap_update_bits(madera->regmap, base + MADERA_AIF_RX_PIN_CTRL, | 
|  | MADERA_AIF1RX_LRCLK_INV | MADERA_AIF1RX_LRCLK_MSTR, | 
|  | lrclk); | 
|  | regmap_update_bits(madera->regmap, base + MADERA_AIF_FORMAT, | 
|  | MADERA_AIF1_FMT_MASK, mode); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const int madera_48k_bclk_rates[] = { | 
|  | -1, | 
|  | 48000, | 
|  | 64000, | 
|  | 96000, | 
|  | 128000, | 
|  | 192000, | 
|  | 256000, | 
|  | 384000, | 
|  | 512000, | 
|  | 768000, | 
|  | 1024000, | 
|  | 1536000, | 
|  | 2048000, | 
|  | 3072000, | 
|  | 4096000, | 
|  | 6144000, | 
|  | 8192000, | 
|  | 12288000, | 
|  | 24576000, | 
|  | }; | 
|  |  | 
|  | static const int madera_44k1_bclk_rates[] = { | 
|  | -1, | 
|  | 44100, | 
|  | 58800, | 
|  | 88200, | 
|  | 117600, | 
|  | 177640, | 
|  | 235200, | 
|  | 352800, | 
|  | 470400, | 
|  | 705600, | 
|  | 940800, | 
|  | 1411200, | 
|  | 1881600, | 
|  | 2822400, | 
|  | 3763200, | 
|  | 5644800, | 
|  | 7526400, | 
|  | 11289600, | 
|  | 22579200, | 
|  | }; | 
|  |  | 
|  | static const unsigned int madera_sr_vals[] = { | 
|  | 0, | 
|  | 12000, | 
|  | 24000, | 
|  | 48000, | 
|  | 96000, | 
|  | 192000, | 
|  | 384000, | 
|  | 768000, | 
|  | 0, | 
|  | 11025, | 
|  | 22050, | 
|  | 44100, | 
|  | 88200, | 
|  | 176400, | 
|  | 352800, | 
|  | 705600, | 
|  | 4000, | 
|  | 8000, | 
|  | 16000, | 
|  | 32000, | 
|  | 64000, | 
|  | 128000, | 
|  | 256000, | 
|  | 512000, | 
|  | }; | 
|  |  | 
|  | #define MADERA_192K_48K_RATE_MASK	0x0F003E | 
|  | #define MADERA_192K_44K1_RATE_MASK	0x003E00 | 
|  | #define MADERA_192K_RATE_MASK		(MADERA_192K_48K_RATE_MASK | \ | 
|  | MADERA_192K_44K1_RATE_MASK) | 
|  | #define MADERA_384K_48K_RATE_MASK	0x0F007E | 
|  | #define MADERA_384K_44K1_RATE_MASK	0x007E00 | 
|  | #define MADERA_384K_RATE_MASK		(MADERA_384K_48K_RATE_MASK | \ | 
|  | MADERA_384K_44K1_RATE_MASK) | 
|  |  | 
|  | static const struct snd_pcm_hw_constraint_list madera_constraint = { | 
|  | .count	= ARRAY_SIZE(madera_sr_vals), | 
|  | .list	= madera_sr_vals, | 
|  | }; | 
|  |  | 
|  | static int madera_startup(struct snd_pcm_substream *substream, | 
|  | struct snd_soc_dai *dai) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | 
|  | struct madera *madera = priv->madera; | 
|  | unsigned int base_rate; | 
|  |  | 
|  | if (!substream->runtime) | 
|  | return 0; | 
|  |  | 
|  | switch (dai_priv->clk) { | 
|  | case MADERA_CLK_SYSCLK_1: | 
|  | case MADERA_CLK_SYSCLK_2: | 
|  | case MADERA_CLK_SYSCLK_3: | 
|  | base_rate = priv->sysclk; | 
|  | break; | 
|  | case MADERA_CLK_ASYNCCLK_1: | 
|  | case MADERA_CLK_ASYNCCLK_2: | 
|  | base_rate = priv->asyncclk; | 
|  | break; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS42L92: | 
|  | case CS47L92: | 
|  | case CS47L93: | 
|  | if (base_rate == 0) | 
|  | dai_priv->constraint.mask = MADERA_384K_RATE_MASK; | 
|  | else if (base_rate % 4000) | 
|  | dai_priv->constraint.mask = MADERA_384K_44K1_RATE_MASK; | 
|  | else | 
|  | dai_priv->constraint.mask = MADERA_384K_48K_RATE_MASK; | 
|  | break; | 
|  | default: | 
|  | if (base_rate == 0) | 
|  | dai_priv->constraint.mask = MADERA_192K_RATE_MASK; | 
|  | else if (base_rate % 4000) | 
|  | dai_priv->constraint.mask = MADERA_192K_44K1_RATE_MASK; | 
|  | else | 
|  | dai_priv->constraint.mask = MADERA_192K_48K_RATE_MASK; | 
|  | break; | 
|  | } | 
|  |  | 
|  | return snd_pcm_hw_constraint_list(substream->runtime, 0, | 
|  | SNDRV_PCM_HW_PARAM_RATE, | 
|  | &dai_priv->constraint); | 
|  | } | 
|  |  | 
|  | static int madera_hw_params_rate(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *params, | 
|  | struct snd_soc_dai *dai) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | 
|  | int base = dai->driver->base; | 
|  | int i, sr_val; | 
|  | unsigned int reg, cur, tar; | 
|  | int ret; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(madera_sr_vals); i++) | 
|  | if (madera_sr_vals[i] == params_rate(params)) | 
|  | break; | 
|  |  | 
|  | if (i == ARRAY_SIZE(madera_sr_vals)) { | 
|  | madera_aif_err(dai, "Unsupported sample rate %dHz\n", | 
|  | params_rate(params)); | 
|  | return -EINVAL; | 
|  | } | 
|  | sr_val = i; | 
|  |  | 
|  | switch (dai_priv->clk) { | 
|  | case MADERA_CLK_SYSCLK_1: | 
|  | reg = MADERA_SAMPLE_RATE_1; | 
|  | tar = 0 << MADERA_AIF1_RATE_SHIFT; | 
|  | break; | 
|  | case MADERA_CLK_SYSCLK_2: | 
|  | reg = MADERA_SAMPLE_RATE_2; | 
|  | tar = 1 << MADERA_AIF1_RATE_SHIFT; | 
|  | break; | 
|  | case MADERA_CLK_SYSCLK_3: | 
|  | reg = MADERA_SAMPLE_RATE_3; | 
|  | tar = 2 << MADERA_AIF1_RATE_SHIFT; | 
|  | break; | 
|  | case MADERA_CLK_ASYNCCLK_1: | 
|  | reg = MADERA_ASYNC_SAMPLE_RATE_1; | 
|  | tar = 8 << MADERA_AIF1_RATE_SHIFT; | 
|  | break; | 
|  | case MADERA_CLK_ASYNCCLK_2: | 
|  | reg = MADERA_ASYNC_SAMPLE_RATE_2; | 
|  | tar = 9 << MADERA_AIF1_RATE_SHIFT; | 
|  | break; | 
|  | default: | 
|  | madera_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | snd_soc_component_update_bits(component, reg, MADERA_SAMPLE_RATE_1_MASK, | 
|  | sr_val); | 
|  |  | 
|  | if (!base) | 
|  | return 0; | 
|  |  | 
|  | ret = regmap_read(priv->madera->regmap, | 
|  | base + MADERA_AIF_RATE_CTRL, &cur); | 
|  | if (ret != 0) { | 
|  | madera_aif_err(dai, "Failed to check rate: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | if ((cur & MADERA_AIF1_RATE_MASK) == (tar & MADERA_AIF1_RATE_MASK)) | 
|  | return 0; | 
|  |  | 
|  | mutex_lock(&priv->rate_lock); | 
|  |  | 
|  | if (!madera_can_change_grp_rate(priv, base + MADERA_AIF_RATE_CTRL)) { | 
|  | madera_aif_warn(dai, "Cannot change rate while active\n"); | 
|  | ret = -EBUSY; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | /* Guard the rate change with SYSCLK cycles */ | 
|  | madera_spin_sysclk(priv); | 
|  | snd_soc_component_update_bits(component, base + MADERA_AIF_RATE_CTRL, | 
|  | MADERA_AIF1_RATE_MASK, tar); | 
|  | madera_spin_sysclk(priv); | 
|  |  | 
|  | out: | 
|  | mutex_unlock(&priv->rate_lock); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int madera_aif_cfg_changed(struct snd_soc_component *component, | 
|  | int base, int bclk, int lrclk, int frame) | 
|  | { | 
|  | unsigned int val; | 
|  |  | 
|  | val = snd_soc_component_read(component, base + MADERA_AIF_BCLK_CTRL); | 
|  | if (bclk != (val & MADERA_AIF1_BCLK_FREQ_MASK)) | 
|  | return 1; | 
|  |  | 
|  | val = snd_soc_component_read(component, base + MADERA_AIF_RX_BCLK_RATE); | 
|  | if (lrclk != (val & MADERA_AIF1RX_BCPF_MASK)) | 
|  | return 1; | 
|  |  | 
|  | val = snd_soc_component_read(component, base + MADERA_AIF_FRAME_CTRL_1); | 
|  | if (frame != (val & (MADERA_AIF1TX_WL_MASK | | 
|  | MADERA_AIF1TX_SLOT_LEN_MASK))) | 
|  | return 1; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *params, | 
|  | struct snd_soc_dai *dai) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | int base = dai->driver->base; | 
|  | const int *rates; | 
|  | int i, ret; | 
|  | unsigned int val; | 
|  | unsigned int channels = params_channels(params); | 
|  | unsigned int rate = params_rate(params); | 
|  | unsigned int chan_limit = | 
|  | madera->pdata.codec.max_channels_clocked[dai->id - 1]; | 
|  | int tdm_width = priv->tdm_width[dai->id - 1]; | 
|  | int tdm_slots = priv->tdm_slots[dai->id - 1]; | 
|  | int bclk, lrclk, wl, frame, bclk_target, num_rates; | 
|  | int reconfig; | 
|  | unsigned int aif_tx_state = 0, aif_rx_state = 0; | 
|  |  | 
|  | if (rate % 4000) { | 
|  | rates = &madera_44k1_bclk_rates[0]; | 
|  | num_rates = ARRAY_SIZE(madera_44k1_bclk_rates); | 
|  | } else { | 
|  | rates = &madera_48k_bclk_rates[0]; | 
|  | num_rates = ARRAY_SIZE(madera_48k_bclk_rates); | 
|  | } | 
|  |  | 
|  | wl = snd_pcm_format_width(params_format(params)); | 
|  |  | 
|  | if (tdm_slots) { | 
|  | madera_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n", | 
|  | tdm_slots, tdm_width); | 
|  | bclk_target = tdm_slots * tdm_width * rate; | 
|  | channels = tdm_slots; | 
|  | } else { | 
|  | bclk_target = snd_soc_params_to_bclk(params); | 
|  | tdm_width = wl; | 
|  | } | 
|  |  | 
|  | if (chan_limit && chan_limit < channels) { | 
|  | madera_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); | 
|  | bclk_target /= channels; | 
|  | bclk_target *= chan_limit; | 
|  | } | 
|  |  | 
|  | /* Force multiple of 2 channels for I2S mode */ | 
|  | val = snd_soc_component_read(component, base + MADERA_AIF_FORMAT); | 
|  | val &= MADERA_AIF1_FMT_MASK; | 
|  | if ((channels & 1) && val == MADERA_FMT_I2S_MODE) { | 
|  | madera_aif_dbg(dai, "Forcing stereo mode\n"); | 
|  | bclk_target /= channels; | 
|  | bclk_target *= channels + 1; | 
|  | } | 
|  |  | 
|  | for (i = 0; i < num_rates; i++) { | 
|  | if (rates[i] >= bclk_target && rates[i] % rate == 0) { | 
|  | bclk = i; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (i == num_rates) { | 
|  | madera_aif_err(dai, "Unsupported sample rate %dHz\n", rate); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | lrclk = rates[bclk] / rate; | 
|  |  | 
|  | madera_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", | 
|  | rates[bclk], rates[bclk] / lrclk); | 
|  |  | 
|  | frame = wl << MADERA_AIF1TX_WL_SHIFT | tdm_width; | 
|  |  | 
|  | reconfig = madera_aif_cfg_changed(component, base, bclk, lrclk, frame); | 
|  | if (reconfig < 0) | 
|  | return reconfig; | 
|  |  | 
|  | if (reconfig) { | 
|  | /* Save AIF TX/RX state */ | 
|  | regmap_read(madera->regmap, base + MADERA_AIF_TX_ENABLES, | 
|  | &aif_tx_state); | 
|  | regmap_read(madera->regmap, base + MADERA_AIF_RX_ENABLES, | 
|  | &aif_rx_state); | 
|  | /* Disable AIF TX/RX before reconfiguring it */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_TX_ENABLES, 0xff, 0x0); | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_RX_ENABLES, 0xff, 0x0); | 
|  | } | 
|  |  | 
|  | ret = madera_hw_params_rate(substream, params, dai); | 
|  | if (ret != 0) | 
|  | goto restore_aif; | 
|  |  | 
|  | if (reconfig) { | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_BCLK_CTRL, | 
|  | MADERA_AIF1_BCLK_FREQ_MASK, bclk); | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_RX_BCLK_RATE, | 
|  | MADERA_AIF1RX_BCPF_MASK, lrclk); | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_FRAME_CTRL_1, | 
|  | MADERA_AIF1TX_WL_MASK | | 
|  | MADERA_AIF1TX_SLOT_LEN_MASK, frame); | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_FRAME_CTRL_2, | 
|  | MADERA_AIF1RX_WL_MASK | | 
|  | MADERA_AIF1RX_SLOT_LEN_MASK, frame); | 
|  | } | 
|  |  | 
|  | restore_aif: | 
|  | if (reconfig) { | 
|  | /* Restore AIF TX/RX state */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_TX_ENABLES, | 
|  | 0xff, aif_tx_state); | 
|  | regmap_update_bits(madera->regmap, | 
|  | base + MADERA_AIF_RX_ENABLES, | 
|  | 0xff, aif_rx_state); | 
|  | } | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int madera_is_syncclk(int clk_id) | 
|  | { | 
|  | switch (clk_id) { | 
|  | case MADERA_CLK_SYSCLK_1: | 
|  | case MADERA_CLK_SYSCLK_2: | 
|  | case MADERA_CLK_SYSCLK_3: | 
|  | return 1; | 
|  | case MADERA_CLK_ASYNCCLK_1: | 
|  | case MADERA_CLK_ASYNCCLK_2: | 
|  | return 0; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_dai_set_sysclk(struct snd_soc_dai *dai, | 
|  | int clk_id, unsigned int freq, int dir) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct snd_soc_dapm_context *dapm = | 
|  | snd_soc_component_get_dapm(component); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; | 
|  | struct snd_soc_dapm_route routes[2]; | 
|  | int is_sync; | 
|  |  | 
|  | is_sync = madera_is_syncclk(clk_id); | 
|  | if (is_sync < 0) { | 
|  | dev_err(component->dev, "Illegal DAI clock id %d\n", clk_id); | 
|  | return is_sync; | 
|  | } | 
|  |  | 
|  | if (is_sync == madera_is_syncclk(dai_priv->clk)) | 
|  | return 0; | 
|  |  | 
|  | if (snd_soc_dai_active(dai)) { | 
|  | dev_err(component->dev, "Can't change clock on active DAI %d\n", | 
|  | dai->id); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | dev_dbg(component->dev, "Setting AIF%d to %s\n", dai->id, | 
|  | is_sync ? "SYSCLK" : "ASYNCCLK"); | 
|  |  | 
|  | /* | 
|  | * A connection to SYSCLK is always required, we only add and remove | 
|  | * a connection to ASYNCCLK | 
|  | */ | 
|  | memset(&routes, 0, sizeof(routes)); | 
|  | routes[0].sink = dai->driver->capture.stream_name; | 
|  | routes[1].sink = dai->driver->playback.stream_name; | 
|  | routes[0].source = "ASYNCCLK"; | 
|  | routes[1].source = "ASYNCCLK"; | 
|  |  | 
|  | if (is_sync) | 
|  | snd_soc_dapm_del_routes(dapm, routes, ARRAY_SIZE(routes)); | 
|  | else | 
|  | snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes)); | 
|  |  | 
|  | dai_priv->clk = clk_id; | 
|  |  | 
|  | return snd_soc_dapm_sync(dapm); | 
|  | } | 
|  |  | 
|  | static int madera_set_tristate(struct snd_soc_dai *dai, int tristate) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | int base = dai->driver->base; | 
|  | unsigned int reg; | 
|  | int ret; | 
|  |  | 
|  | if (tristate) | 
|  | reg = MADERA_AIF1_TRI; | 
|  | else | 
|  | reg = 0; | 
|  |  | 
|  | ret = snd_soc_component_update_bits(component, | 
|  | base + MADERA_AIF_RATE_CTRL, | 
|  | MADERA_AIF1_TRI, reg); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  | else | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void madera_set_channels_to_mask(struct snd_soc_dai *dai, | 
|  | unsigned int base, | 
|  | int channels, unsigned int mask) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | int slot, i; | 
|  |  | 
|  | for (i = 0; i < channels; ++i) { | 
|  | slot = ffs(mask) - 1; | 
|  | if (slot < 0) | 
|  | return; | 
|  |  | 
|  | regmap_write(madera->regmap, base + i, slot); | 
|  |  | 
|  | mask &= ~(1 << slot); | 
|  | } | 
|  |  | 
|  | if (mask) | 
|  | madera_aif_warn(dai, "Too many channels in TDM mask\n"); | 
|  | } | 
|  |  | 
|  | static int madera_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | 
|  | unsigned int rx_mask, int slots, int slot_width) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | int base = dai->driver->base; | 
|  | int rx_max_chan = dai->driver->playback.channels_max; | 
|  | int tx_max_chan = dai->driver->capture.channels_max; | 
|  |  | 
|  | /* Only support TDM for the physical AIFs */ | 
|  | if (dai->id > MADERA_MAX_AIF) | 
|  | return -ENOTSUPP; | 
|  |  | 
|  | if (slots == 0) { | 
|  | tx_mask = (1 << tx_max_chan) - 1; | 
|  | rx_mask = (1 << rx_max_chan) - 1; | 
|  | } | 
|  |  | 
|  | madera_set_channels_to_mask(dai, base + MADERA_AIF_FRAME_CTRL_3, | 
|  | tx_max_chan, tx_mask); | 
|  | madera_set_channels_to_mask(dai, base + MADERA_AIF_FRAME_CTRL_11, | 
|  | rx_max_chan, rx_mask); | 
|  |  | 
|  | priv->tdm_width[dai->id - 1] = slot_width; | 
|  | priv->tdm_slots[dai->id - 1] = slots; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const struct snd_soc_dai_ops madera_dai_ops = { | 
|  | .startup = &madera_startup, | 
|  | .set_fmt = &madera_set_fmt, | 
|  | .set_tdm_slot = &madera_set_tdm_slot, | 
|  | .hw_params = &madera_hw_params, | 
|  | .set_sysclk = &madera_dai_set_sysclk, | 
|  | .set_tristate = &madera_set_tristate, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_dai_ops); | 
|  |  | 
|  | const struct snd_soc_dai_ops madera_simple_dai_ops = { | 
|  | .startup = &madera_startup, | 
|  | .hw_params = &madera_hw_params_rate, | 
|  | .set_sysclk = &madera_dai_set_sysclk, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(madera_simple_dai_ops); | 
|  |  | 
|  | int madera_init_dai(struct madera_priv *priv, int id) | 
|  | { | 
|  | struct madera_dai_priv *dai_priv = &priv->dai[id]; | 
|  |  | 
|  | dai_priv->clk = MADERA_CLK_SYSCLK_1; | 
|  | dai_priv->constraint = madera_constraint; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_dai); | 
|  |  | 
|  | static const struct { | 
|  | unsigned int min; | 
|  | unsigned int max; | 
|  | u16 fratio; | 
|  | int ratio; | 
|  | } fll_sync_fratios[] = { | 
|  | {       0,    64000, 4, 16 }, | 
|  | {   64000,   128000, 3,  8 }, | 
|  | {  128000,   256000, 2,  4 }, | 
|  | {  256000,  1000000, 1,  2 }, | 
|  | { 1000000, 13500000, 0,  1 }, | 
|  | }; | 
|  |  | 
|  | static const unsigned int pseudo_fref_max[MADERA_FLL_MAX_FRATIO] = { | 
|  | 13500000, | 
|  | 6144000, | 
|  | 6144000, | 
|  | 3072000, | 
|  | 3072000, | 
|  | 2822400, | 
|  | 2822400, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 1536000, | 
|  | 768000, | 
|  | }; | 
|  |  | 
|  | struct madera_fll_gains { | 
|  | unsigned int min; | 
|  | unsigned int max; | 
|  | int gain;		/* main gain */ | 
|  | int alt_gain;		/* alternate integer gain */ | 
|  | }; | 
|  |  | 
|  | static const struct madera_fll_gains madera_fll_sync_gains[] = { | 
|  | {       0,   256000, 0, -1 }, | 
|  | {  256000,  1000000, 2, -1 }, | 
|  | { 1000000, 13500000, 4, -1 }, | 
|  | }; | 
|  |  | 
|  | static const struct madera_fll_gains madera_fll_main_gains[] = { | 
|  | {       0,   100000, 0, 2 }, | 
|  | {  100000,   375000, 2, 2 }, | 
|  | {  375000,   768000, 3, 2 }, | 
|  | {  768001,  1500000, 3, 3 }, | 
|  | { 1500000,  6000000, 4, 3 }, | 
|  | { 6000000, 13500000, 5, 3 }, | 
|  | }; | 
|  |  | 
|  | static int madera_find_sync_fratio(unsigned int fref, int *fratio) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(fll_sync_fratios); i++) { | 
|  | if (fll_sync_fratios[i].min <= fref && | 
|  | fref <= fll_sync_fratios[i].max) { | 
|  | if (fratio) | 
|  | *fratio = fll_sync_fratios[i].fratio; | 
|  |  | 
|  | return fll_sync_fratios[i].ratio; | 
|  | } | 
|  | } | 
|  |  | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static int madera_find_main_fratio(unsigned int fref, unsigned int fout, | 
|  | int *fratio) | 
|  | { | 
|  | int ratio = 1; | 
|  |  | 
|  | while ((fout / (ratio * fref)) > MADERA_FLL_MAX_N) | 
|  | ratio++; | 
|  |  | 
|  | if (fratio) | 
|  | *fratio = ratio - 1; | 
|  |  | 
|  | return ratio; | 
|  | } | 
|  |  | 
|  | static int madera_find_fratio(struct madera_fll *fll, unsigned int fref, | 
|  | bool sync, int *fratio) | 
|  | { | 
|  | switch (fll->madera->type) { | 
|  | case CS47L35: | 
|  | switch (fll->madera->rev) { | 
|  | case 0: | 
|  | /* rev A0 uses sync calculation for both loops */ | 
|  | return madera_find_sync_fratio(fref, fratio); | 
|  | default: | 
|  | if (sync) | 
|  | return madera_find_sync_fratio(fref, fratio); | 
|  | else | 
|  | return madera_find_main_fratio(fref, | 
|  | fll->fout, | 
|  | fratio); | 
|  | } | 
|  | break; | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | /* these use the same calculation for main and sync loops */ | 
|  | return madera_find_sync_fratio(fref, fratio); | 
|  | default: | 
|  | if (sync) | 
|  | return madera_find_sync_fratio(fref, fratio); | 
|  | else | 
|  | return madera_find_main_fratio(fref, fll->fout, fratio); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_calc_fratio(struct madera_fll *fll, | 
|  | struct madera_fll_cfg *cfg, | 
|  | unsigned int fref, bool sync) | 
|  | { | 
|  | int init_ratio, ratio; | 
|  | int refdiv, div; | 
|  |  | 
|  | /* fref must be <=13.5MHz, find initial refdiv */ | 
|  | div = 1; | 
|  | cfg->refdiv = 0; | 
|  | while (fref > MADERA_FLL_MAX_FREF) { | 
|  | div *= 2; | 
|  | fref /= 2; | 
|  | cfg->refdiv++; | 
|  |  | 
|  | if (div > MADERA_FLL_MAX_REFDIV) | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* Find an appropriate FLL_FRATIO */ | 
|  | init_ratio = madera_find_fratio(fll, fref, sync, &cfg->fratio); | 
|  | if (init_ratio < 0) { | 
|  | madera_fll_err(fll, "Unable to find FRATIO for fref=%uHz\n", | 
|  | fref); | 
|  | return init_ratio; | 
|  | } | 
|  |  | 
|  | if (!sync) | 
|  | cfg->fratio = init_ratio - 1; | 
|  |  | 
|  | switch (fll->madera->type) { | 
|  | case CS47L35: | 
|  | switch (fll->madera->rev) { | 
|  | case 0: | 
|  | if (sync) | 
|  | return init_ratio; | 
|  | break; | 
|  | default: | 
|  | return init_ratio; | 
|  | } | 
|  | break; | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | if (sync) | 
|  | return init_ratio; | 
|  | break; | 
|  | default: | 
|  | return init_ratio; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * For CS47L35 rev A0, CS47L85 and WM1840 adjust FRATIO/refdiv to avoid | 
|  | * integer mode if possible | 
|  | */ | 
|  | refdiv = cfg->refdiv; | 
|  |  | 
|  | while (div <= MADERA_FLL_MAX_REFDIV) { | 
|  | /* | 
|  | * start from init_ratio because this may already give a | 
|  | * fractional N.K | 
|  | */ | 
|  | for (ratio = init_ratio; ratio > 0; ratio--) { | 
|  | if (fll->fout % (ratio * fref)) { | 
|  | cfg->refdiv = refdiv; | 
|  | cfg->fratio = ratio - 1; | 
|  | return ratio; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (ratio = init_ratio + 1; ratio <= MADERA_FLL_MAX_FRATIO; | 
|  | ratio++) { | 
|  | if ((MADERA_FLL_VCO_CORNER / 2) / | 
|  | (MADERA_FLL_VCO_MULT * ratio) < fref) | 
|  | break; | 
|  |  | 
|  | if (fref > pseudo_fref_max[ratio - 1]) | 
|  | break; | 
|  |  | 
|  | if (fll->fout % (ratio * fref)) { | 
|  | cfg->refdiv = refdiv; | 
|  | cfg->fratio = ratio - 1; | 
|  | return ratio; | 
|  | } | 
|  | } | 
|  |  | 
|  | div *= 2; | 
|  | fref /= 2; | 
|  | refdiv++; | 
|  | init_ratio = madera_find_fratio(fll, fref, sync, NULL); | 
|  | } | 
|  |  | 
|  | madera_fll_warn(fll, "Falling back to integer mode operation\n"); | 
|  |  | 
|  | return cfg->fratio + 1; | 
|  | } | 
|  |  | 
|  | static int madera_find_fll_gain(struct madera_fll *fll, | 
|  | struct madera_fll_cfg *cfg, | 
|  | unsigned int fref, | 
|  | const struct madera_fll_gains *gains, | 
|  | int n_gains) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < n_gains; i++) { | 
|  | if (gains[i].min <= fref && fref <= gains[i].max) { | 
|  | cfg->gain = gains[i].gain; | 
|  | cfg->alt_gain = gains[i].alt_gain; | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | madera_fll_err(fll, "Unable to find gain for fref=%uHz\n", fref); | 
|  |  | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static int madera_calc_fll(struct madera_fll *fll, | 
|  | struct madera_fll_cfg *cfg, | 
|  | unsigned int fref, bool sync) | 
|  | { | 
|  | unsigned int gcd_fll; | 
|  | const struct madera_fll_gains *gains; | 
|  | int n_gains; | 
|  | int ratio, ret; | 
|  |  | 
|  | madera_fll_dbg(fll, "fref=%u Fout=%u fvco=%u\n", | 
|  | fref, fll->fout, fll->fout * MADERA_FLL_VCO_MULT); | 
|  |  | 
|  | /* Find an appropriate FLL_FRATIO and refdiv */ | 
|  | ratio = madera_calc_fratio(fll, cfg, fref, sync); | 
|  | if (ratio < 0) | 
|  | return ratio; | 
|  |  | 
|  | /* Apply the division for our remaining calculations */ | 
|  | fref = fref / (1 << cfg->refdiv); | 
|  |  | 
|  | cfg->n = fll->fout / (ratio * fref); | 
|  |  | 
|  | if (fll->fout % (ratio * fref)) { | 
|  | gcd_fll = gcd(fll->fout, ratio * fref); | 
|  | madera_fll_dbg(fll, "GCD=%u\n", gcd_fll); | 
|  |  | 
|  | cfg->theta = (fll->fout - (cfg->n * ratio * fref)) | 
|  | / gcd_fll; | 
|  | cfg->lambda = (ratio * fref) / gcd_fll; | 
|  | } else { | 
|  | cfg->theta = 0; | 
|  | cfg->lambda = 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Round down to 16bit range with cost of accuracy lost. | 
|  | * Denominator must be bigger than numerator so we only | 
|  | * take care of it. | 
|  | */ | 
|  | while (cfg->lambda >= (1 << 16)) { | 
|  | cfg->theta >>= 1; | 
|  | cfg->lambda >>= 1; | 
|  | } | 
|  |  | 
|  | switch (fll->madera->type) { | 
|  | case CS47L35: | 
|  | switch (fll->madera->rev) { | 
|  | case 0: | 
|  | /* Rev A0 uses the sync gains for both loops */ | 
|  | gains = madera_fll_sync_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_sync_gains); | 
|  | break; | 
|  | default: | 
|  | if (sync) { | 
|  | gains = madera_fll_sync_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_sync_gains); | 
|  | } else { | 
|  | gains = madera_fll_main_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_main_gains); | 
|  | } | 
|  | break; | 
|  | } | 
|  | break; | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | /* These use the sync gains for both loops */ | 
|  | gains = madera_fll_sync_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_sync_gains); | 
|  | break; | 
|  | default: | 
|  | if (sync) { | 
|  | gains = madera_fll_sync_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_sync_gains); | 
|  | } else { | 
|  | gains = madera_fll_main_gains; | 
|  | n_gains = ARRAY_SIZE(madera_fll_main_gains); | 
|  | } | 
|  | break; | 
|  | } | 
|  |  | 
|  | ret = madera_find_fll_gain(fll, cfg, fref, gains, n_gains); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | madera_fll_dbg(fll, "N=%d THETA=%d LAMBDA=%d\n", | 
|  | cfg->n, cfg->theta, cfg->lambda); | 
|  | madera_fll_dbg(fll, "FRATIO=0x%x(%d) REFCLK_DIV=0x%x(%d)\n", | 
|  | cfg->fratio, ratio, cfg->refdiv, 1 << cfg->refdiv); | 
|  | madera_fll_dbg(fll, "GAIN=0x%x(%d)\n", cfg->gain, 1 << cfg->gain); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static bool madera_write_fll(struct madera *madera, unsigned int base, | 
|  | struct madera_fll_cfg *cfg, int source, | 
|  | bool sync, int gain) | 
|  | { | 
|  | bool change, fll_change; | 
|  |  | 
|  | fll_change = false; | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_3_OFFS, | 
|  | MADERA_FLL1_THETA_MASK, | 
|  | cfg->theta, &change); | 
|  | fll_change |= change; | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_4_OFFS, | 
|  | MADERA_FLL1_LAMBDA_MASK, | 
|  | cfg->lambda, &change); | 
|  | fll_change |= change; | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_5_OFFS, | 
|  | MADERA_FLL1_FRATIO_MASK, | 
|  | cfg->fratio << MADERA_FLL1_FRATIO_SHIFT, | 
|  | &change); | 
|  | fll_change |= change; | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_6_OFFS, | 
|  | MADERA_FLL1_REFCLK_DIV_MASK | | 
|  | MADERA_FLL1_REFCLK_SRC_MASK, | 
|  | cfg->refdiv << MADERA_FLL1_REFCLK_DIV_SHIFT | | 
|  | source << MADERA_FLL1_REFCLK_SRC_SHIFT, | 
|  | &change); | 
|  | fll_change |= change; | 
|  |  | 
|  | if (sync) { | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_SYNCHRONISER_7_OFFS, | 
|  | MADERA_FLL1_GAIN_MASK, | 
|  | gain << MADERA_FLL1_GAIN_SHIFT, | 
|  | &change); | 
|  | fll_change |= change; | 
|  | } else { | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_7_OFFS, | 
|  | MADERA_FLL1_GAIN_MASK, | 
|  | gain << MADERA_FLL1_GAIN_SHIFT, | 
|  | &change); | 
|  | fll_change |= change; | 
|  | } | 
|  |  | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_2_OFFS, | 
|  | MADERA_FLL1_CTRL_UPD | MADERA_FLL1_N_MASK, | 
|  | MADERA_FLL1_CTRL_UPD | cfg->n, &change); | 
|  | fll_change |= change; | 
|  |  | 
|  | return fll_change; | 
|  | } | 
|  |  | 
|  | static int madera_is_enabled_fll(struct madera_fll *fll, int base) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | unsigned int reg; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(madera->regmap, | 
|  | base + MADERA_FLL_CONTROL_1_OFFS, ®); | 
|  | if (ret != 0) { | 
|  | madera_fll_err(fll, "Failed to read current state: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | return reg & MADERA_FLL1_ENA; | 
|  | } | 
|  |  | 
|  | static int madera_wait_for_fll(struct madera_fll *fll, bool requested) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | unsigned int val = 0; | 
|  | bool status; | 
|  | int i; | 
|  |  | 
|  | madera_fll_dbg(fll, "Waiting for FLL...\n"); | 
|  |  | 
|  | for (i = 0; i < 30; i++) { | 
|  | regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_2, &val); | 
|  | status = val & (MADERA_FLL1_LOCK_STS1 << (fll->id - 1)); | 
|  | if (status == requested) | 
|  | return 0; | 
|  |  | 
|  | switch (i) { | 
|  | case 0 ... 5: | 
|  | usleep_range(75, 125); | 
|  | break; | 
|  | case 11 ... 20: | 
|  | usleep_range(750, 1250); | 
|  | break; | 
|  | default: | 
|  | msleep(20); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | madera_fll_warn(fll, "Timed out waiting for lock\n"); | 
|  |  | 
|  | return -ETIMEDOUT; | 
|  | } | 
|  |  | 
|  | static bool madera_set_fll_phase_integrator(struct madera_fll *fll, | 
|  | struct madera_fll_cfg *ref_cfg, | 
|  | bool sync) | 
|  | { | 
|  | unsigned int val; | 
|  | bool reg_change; | 
|  |  | 
|  | if (!sync && ref_cfg->theta == 0) | 
|  | val = (1 << MADERA_FLL1_PHASE_ENA_SHIFT) | | 
|  | (2 << MADERA_FLL1_PHASE_GAIN_SHIFT); | 
|  | else | 
|  | val = 2 << MADERA_FLL1_PHASE_GAIN_SHIFT; | 
|  |  | 
|  | regmap_update_bits_check(fll->madera->regmap, | 
|  | fll->base + MADERA_FLL_EFS_2_OFFS, | 
|  | MADERA_FLL1_PHASE_ENA_MASK | | 
|  | MADERA_FLL1_PHASE_GAIN_MASK, | 
|  | val, ®_change); | 
|  |  | 
|  | return reg_change; | 
|  | } | 
|  |  | 
|  | static int madera_set_fll_clks_reg(struct madera_fll *fll, bool ena, | 
|  | unsigned int reg, unsigned int mask, | 
|  | unsigned int shift) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | unsigned int src; | 
|  | struct clk *clk; | 
|  | int ret; | 
|  |  | 
|  | ret = regmap_read(madera->regmap, reg, &src); | 
|  | if (ret != 0) { | 
|  | madera_fll_err(fll, "Failed to read current source: %d\n", | 
|  | ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | src = (src & mask) >> shift; | 
|  |  | 
|  | switch (src) { | 
|  | case MADERA_FLL_SRC_MCLK1: | 
|  | clk = madera->mclk[MADERA_MCLK1].clk; | 
|  | break; | 
|  | case MADERA_FLL_SRC_MCLK2: | 
|  | clk = madera->mclk[MADERA_MCLK2].clk; | 
|  | break; | 
|  | case MADERA_FLL_SRC_MCLK3: | 
|  | clk = madera->mclk[MADERA_MCLK3].clk; | 
|  | break; | 
|  | default: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (ena) { | 
|  | return clk_prepare_enable(clk); | 
|  | } else { | 
|  | clk_disable_unprepare(clk); | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | static inline int madera_set_fll_clks(struct madera_fll *fll, int base, bool ena) | 
|  | { | 
|  | return madera_set_fll_clks_reg(fll, ena, | 
|  | base + MADERA_FLL_CONTROL_6_OFFS, | 
|  | MADERA_FLL1_REFCLK_SRC_MASK, | 
|  | MADERA_FLL1_REFCLK_SRC_SHIFT); | 
|  | } | 
|  |  | 
|  | static inline int madera_set_fllao_clks(struct madera_fll *fll, int base, bool ena) | 
|  | { | 
|  | return madera_set_fll_clks_reg(fll, ena, | 
|  | base + MADERA_FLLAO_CONTROL_6_OFFS, | 
|  | MADERA_FLL_AO_REFCLK_SRC_MASK, | 
|  | MADERA_FLL_AO_REFCLK_SRC_SHIFT); | 
|  | } | 
|  |  | 
|  | static inline int madera_set_fllhj_clks(struct madera_fll *fll, int base, bool ena) | 
|  | { | 
|  | return madera_set_fll_clks_reg(fll, ena, | 
|  | base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | CS47L92_FLL1_REFCLK_SRC_MASK, | 
|  | CS47L92_FLL1_REFCLK_SRC_SHIFT); | 
|  | } | 
|  |  | 
|  | static void madera_disable_fll(struct madera_fll *fll) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | unsigned int sync_base; | 
|  | bool ref_change, sync_change; | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS47L35: | 
|  | sync_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS; | 
|  | break; | 
|  | default: | 
|  | sync_base = fll->base + MADERA_FLL_SYNCHRONISER_OFFS; | 
|  | break; | 
|  | } | 
|  |  | 
|  | madera_fll_dbg(fll, "Disabling FLL\n"); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_FREERUN, MADERA_FLL1_FREERUN); | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_ENA, 0, &ref_change); | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, | 
|  | MADERA_FLL1_SYNC_ENA, 0, &sync_change); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_FREERUN, 0); | 
|  |  | 
|  | madera_wait_for_fll(fll, false); | 
|  |  | 
|  | if (sync_change) | 
|  | madera_set_fll_clks(fll, sync_base, false); | 
|  |  | 
|  | if (ref_change) { | 
|  | madera_set_fll_clks(fll, fll->base, false); | 
|  | pm_runtime_put_autosuspend(madera->dev); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int madera_enable_fll(struct madera_fll *fll) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | bool have_sync = false; | 
|  | int already_enabled = madera_is_enabled_fll(fll, fll->base); | 
|  | int sync_enabled; | 
|  | struct madera_fll_cfg cfg; | 
|  | unsigned int sync_base; | 
|  | int gain, ret; | 
|  | bool fll_change = false; | 
|  |  | 
|  | if (already_enabled < 0) | 
|  | return already_enabled;	/* error getting current state */ | 
|  |  | 
|  | if (fll->ref_src < 0 || fll->ref_freq == 0) { | 
|  | madera_fll_err(fll, "No REFCLK\n"); | 
|  | ret = -EINVAL; | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | madera_fll_dbg(fll, "Enabling FLL, initially %s\n", | 
|  | already_enabled ? "enabled" : "disabled"); | 
|  |  | 
|  | if (fll->fout < MADERA_FLL_MIN_FOUT || | 
|  | fll->fout > MADERA_FLL_MAX_FOUT) { | 
|  | madera_fll_err(fll, "invalid fout %uHz\n", fll->fout); | 
|  | ret = -EINVAL; | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | switch (madera->type) { | 
|  | case CS47L35: | 
|  | sync_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS; | 
|  | break; | 
|  | default: | 
|  | sync_base = fll->base + MADERA_FLL_SYNCHRONISER_OFFS; | 
|  | break; | 
|  | } | 
|  |  | 
|  | sync_enabled = madera_is_enabled_fll(fll, sync_base); | 
|  | if (sync_enabled < 0) | 
|  | return sync_enabled; | 
|  |  | 
|  | if (already_enabled) { | 
|  | /* Facilitate smooth refclk across the transition */ | 
|  | regmap_update_bits(fll->madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_FREERUN, | 
|  | MADERA_FLL1_FREERUN); | 
|  | udelay(32); | 
|  | regmap_update_bits(fll->madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_7_OFFS, | 
|  | MADERA_FLL1_GAIN_MASK, 0); | 
|  |  | 
|  | if (sync_enabled > 0) | 
|  | madera_set_fll_clks(fll, sync_base, false); | 
|  | madera_set_fll_clks(fll, fll->base, false); | 
|  | } | 
|  |  | 
|  | /* Apply SYNCCLK setting */ | 
|  | if (fll->sync_src >= 0) { | 
|  | ret = madera_calc_fll(fll, &cfg, fll->sync_freq, true); | 
|  | if (ret < 0) | 
|  | goto err; | 
|  |  | 
|  | fll_change |= madera_write_fll(madera, sync_base, | 
|  | &cfg, fll->sync_src, | 
|  | true, cfg.gain); | 
|  | have_sync = true; | 
|  | } | 
|  |  | 
|  | if (already_enabled && !!sync_enabled != have_sync) | 
|  | madera_fll_warn(fll, "Synchroniser changed on active FLL\n"); | 
|  |  | 
|  | /* Apply REFCLK setting */ | 
|  | ret = madera_calc_fll(fll, &cfg, fll->ref_freq, false); | 
|  | if (ret < 0) | 
|  | goto err; | 
|  |  | 
|  | /* Ref path hardcodes lambda to 65536 when sync is on */ | 
|  | if (have_sync && cfg.lambda) | 
|  | cfg.theta = (cfg.theta * (1 << 16)) / cfg.lambda; | 
|  |  | 
|  | switch (fll->madera->type) { | 
|  | case CS47L35: | 
|  | switch (fll->madera->rev) { | 
|  | case 0: | 
|  | gain = cfg.gain; | 
|  | break; | 
|  | default: | 
|  | fll_change |= | 
|  | madera_set_fll_phase_integrator(fll, &cfg, | 
|  | have_sync); | 
|  | if (!have_sync && cfg.theta == 0) | 
|  | gain = cfg.alt_gain; | 
|  | else | 
|  | gain = cfg.gain; | 
|  | break; | 
|  | } | 
|  | break; | 
|  | case CS47L85: | 
|  | case WM1840: | 
|  | gain = cfg.gain; | 
|  | break; | 
|  | default: | 
|  | fll_change |= madera_set_fll_phase_integrator(fll, &cfg, | 
|  | have_sync); | 
|  | if (!have_sync && cfg.theta == 0) | 
|  | gain = cfg.alt_gain; | 
|  | else | 
|  | gain = cfg.gain; | 
|  | break; | 
|  | } | 
|  |  | 
|  | fll_change |= madera_write_fll(madera, fll->base, | 
|  | &cfg, fll->ref_src, | 
|  | false, gain); | 
|  |  | 
|  | /* | 
|  | * Increase the bandwidth if we're not using a low frequency | 
|  | * sync source. | 
|  | */ | 
|  | if (have_sync && fll->sync_freq > 100000) | 
|  | regmap_update_bits(madera->regmap, | 
|  | sync_base + MADERA_FLL_SYNCHRONISER_7_OFFS, | 
|  | MADERA_FLL1_SYNC_DFSAT_MASK, 0); | 
|  | else | 
|  | regmap_update_bits(madera->regmap, | 
|  | sync_base + MADERA_FLL_SYNCHRONISER_7_OFFS, | 
|  | MADERA_FLL1_SYNC_DFSAT_MASK, | 
|  | MADERA_FLL1_SYNC_DFSAT); | 
|  |  | 
|  | if (!already_enabled) | 
|  | pm_runtime_get_sync(madera->dev); | 
|  |  | 
|  | if (have_sync) { | 
|  | madera_set_fll_clks(fll, sync_base, true); | 
|  | regmap_update_bits(madera->regmap, | 
|  | sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, | 
|  | MADERA_FLL1_SYNC_ENA, | 
|  | MADERA_FLL1_SYNC_ENA); | 
|  | } | 
|  |  | 
|  | madera_set_fll_clks(fll, fll->base, true); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_ENA, MADERA_FLL1_ENA); | 
|  |  | 
|  | if (already_enabled) | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_FREERUN, 0); | 
|  |  | 
|  | if (fll_change || !already_enabled) | 
|  | madera_wait_for_fll(fll, true); | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | err: | 
|  | /* In case of error don't leave the FLL running with an old config */ | 
|  | madera_disable_fll(fll); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int madera_apply_fll(struct madera_fll *fll) | 
|  | { | 
|  | if (fll->fout) { | 
|  | return madera_enable_fll(fll); | 
|  | } else { | 
|  | madera_disable_fll(fll); | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | int madera_set_fll_syncclk(struct madera_fll *fll, int source, | 
|  | unsigned int fref, unsigned int fout) | 
|  | { | 
|  | /* | 
|  | * fout is ignored, since the synchronizer is an optional extra | 
|  | * constraint on the Fout generated from REFCLK, so the Fout is | 
|  | * set when configuring REFCLK | 
|  | */ | 
|  |  | 
|  | if (fll->sync_src == source && fll->sync_freq == fref) | 
|  | return 0; | 
|  |  | 
|  | fll->sync_src = source; | 
|  | fll->sync_freq = fref; | 
|  |  | 
|  | return madera_apply_fll(fll); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_fll_syncclk); | 
|  |  | 
|  | int madera_set_fll_refclk(struct madera_fll *fll, int source, | 
|  | unsigned int fref, unsigned int fout) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | if (fll->ref_src == source && | 
|  | fll->ref_freq == fref && fll->fout == fout) | 
|  | return 0; | 
|  |  | 
|  | /* | 
|  | * Changes of fout on an enabled FLL aren't allowed except when | 
|  | * setting fout==0 to disable the FLL | 
|  | */ | 
|  | if (fout && fout != fll->fout) { | 
|  | ret = madera_is_enabled_fll(fll, fll->base); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | if (ret) { | 
|  | madera_fll_err(fll, "Can't change Fout on active FLL\n"); | 
|  | return -EBUSY; | 
|  | } | 
|  | } | 
|  |  | 
|  | fll->ref_src = source; | 
|  | fll->ref_freq = fref; | 
|  | fll->fout = fout; | 
|  |  | 
|  | return madera_apply_fll(fll); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_fll_refclk); | 
|  |  | 
|  | int madera_init_fll(struct madera *madera, int id, int base, | 
|  | struct madera_fll *fll) | 
|  | { | 
|  | fll->id = id; | 
|  | fll->base = base; | 
|  | fll->madera = madera; | 
|  | fll->ref_src = MADERA_FLL_SRC_NONE; | 
|  | fll->sync_src = MADERA_FLL_SRC_NONE; | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_FREERUN, 0); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_init_fll); | 
|  |  | 
|  | static const struct reg_sequence madera_fll_ao_32K_49M_patch[] = { | 
|  | { MADERA_FLLAO_CONTROL_2,  0x02EE }, | 
|  | { MADERA_FLLAO_CONTROL_3,  0x0000 }, | 
|  | { MADERA_FLLAO_CONTROL_4,  0x0001 }, | 
|  | { MADERA_FLLAO_CONTROL_5,  0x0002 }, | 
|  | { MADERA_FLLAO_CONTROL_6,  0x8001 }, | 
|  | { MADERA_FLLAO_CONTROL_7,  0x0004 }, | 
|  | { MADERA_FLLAO_CONTROL_8,  0x0077 }, | 
|  | { MADERA_FLLAO_CONTROL_10, 0x06D8 }, | 
|  | { MADERA_FLLAO_CONTROL_11, 0x0085 }, | 
|  | { MADERA_FLLAO_CONTROL_2,  0x82EE }, | 
|  | }; | 
|  |  | 
|  | static const struct reg_sequence madera_fll_ao_32K_45M_patch[] = { | 
|  | { MADERA_FLLAO_CONTROL_2,  0x02B1 }, | 
|  | { MADERA_FLLAO_CONTROL_3,  0x0001 }, | 
|  | { MADERA_FLLAO_CONTROL_4,  0x0010 }, | 
|  | { MADERA_FLLAO_CONTROL_5,  0x0002 }, | 
|  | { MADERA_FLLAO_CONTROL_6,  0x8001 }, | 
|  | { MADERA_FLLAO_CONTROL_7,  0x0004 }, | 
|  | { MADERA_FLLAO_CONTROL_8,  0x0077 }, | 
|  | { MADERA_FLLAO_CONTROL_10, 0x06D8 }, | 
|  | { MADERA_FLLAO_CONTROL_11, 0x0005 }, | 
|  | { MADERA_FLLAO_CONTROL_2,  0x82B1 }, | 
|  | }; | 
|  |  | 
|  | struct madera_fllao_patch { | 
|  | unsigned int fin; | 
|  | unsigned int fout; | 
|  | const struct reg_sequence *patch; | 
|  | unsigned int patch_size; | 
|  | }; | 
|  |  | 
|  | static const struct madera_fllao_patch madera_fllao_settings[] = { | 
|  | { | 
|  | .fin = 32768, | 
|  | .fout = 49152000, | 
|  | .patch = madera_fll_ao_32K_49M_patch, | 
|  | .patch_size = ARRAY_SIZE(madera_fll_ao_32K_49M_patch), | 
|  |  | 
|  | }, | 
|  | { | 
|  | .fin = 32768, | 
|  | .fout = 45158400, | 
|  | .patch = madera_fll_ao_32K_45M_patch, | 
|  | .patch_size = ARRAY_SIZE(madera_fll_ao_32K_45M_patch), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int madera_enable_fll_ao(struct madera_fll *fll, | 
|  | const struct reg_sequence *patch, | 
|  | unsigned int patch_size) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | int already_enabled = madera_is_enabled_fll(fll, fll->base); | 
|  | unsigned int val; | 
|  | int i; | 
|  |  | 
|  | if (already_enabled < 0) | 
|  | return already_enabled; | 
|  |  | 
|  | if (!already_enabled) | 
|  | pm_runtime_get_sync(madera->dev); | 
|  |  | 
|  | madera_fll_dbg(fll, "Enabling FLL_AO, initially %s\n", | 
|  | already_enabled ? "enabled" : "disabled"); | 
|  |  | 
|  | /* FLL_AO_HOLD must be set before configuring any registers */ | 
|  | regmap_update_bits(fll->madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_1_OFFS, | 
|  | MADERA_FLL_AO_HOLD, MADERA_FLL_AO_HOLD); | 
|  |  | 
|  | if (already_enabled) | 
|  | madera_set_fllao_clks(fll, fll->base, false); | 
|  |  | 
|  | for (i = 0; i < patch_size; i++) { | 
|  | val = patch[i].def; | 
|  |  | 
|  | /* modify the patch to apply fll->ref_src as input clock */ | 
|  | if (patch[i].reg == MADERA_FLLAO_CONTROL_6) { | 
|  | val &= ~MADERA_FLL_AO_REFCLK_SRC_MASK; | 
|  | val |= (fll->ref_src << MADERA_FLL_AO_REFCLK_SRC_SHIFT) | 
|  | & MADERA_FLL_AO_REFCLK_SRC_MASK; | 
|  | } | 
|  |  | 
|  | regmap_write(madera->regmap, patch[i].reg, val); | 
|  | } | 
|  |  | 
|  | madera_set_fllao_clks(fll, fll->base, true); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_1_OFFS, | 
|  | MADERA_FLL_AO_ENA, MADERA_FLL_AO_ENA); | 
|  |  | 
|  | /* Release the hold so that fll_ao locks to external frequency */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_1_OFFS, | 
|  | MADERA_FLL_AO_HOLD, 0); | 
|  |  | 
|  | if (!already_enabled) | 
|  | madera_wait_for_fll(fll, true); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_disable_fll_ao(struct madera_fll *fll) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | bool change; | 
|  |  | 
|  | madera_fll_dbg(fll, "Disabling FLL_AO\n"); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_1_OFFS, | 
|  | MADERA_FLL_AO_HOLD, MADERA_FLL_AO_HOLD); | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_1_OFFS, | 
|  | MADERA_FLL_AO_ENA, 0, &change); | 
|  |  | 
|  | madera_wait_for_fll(fll, false); | 
|  |  | 
|  | /* | 
|  | * ctrl_up gates the writes to all fll_ao register, setting it to 0 | 
|  | * here ensures that after a runtime suspend/resume cycle when one | 
|  | * enables the fllao then ctrl_up is the last bit that is configured | 
|  | * by the fllao enable code rather than the cache sync operation which | 
|  | * would have updated it much earlier before writing out all fllao | 
|  | * registers | 
|  | */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLLAO_CONTROL_2_OFFS, | 
|  | MADERA_FLL_AO_CTRL_UPD_MASK, 0); | 
|  |  | 
|  | if (change) { | 
|  | madera_set_fllao_clks(fll, fll->base, false); | 
|  | pm_runtime_put_autosuspend(madera->dev); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int madera_set_fll_ao_refclk(struct madera_fll *fll, int source, | 
|  | unsigned int fin, unsigned int fout) | 
|  | { | 
|  | int ret = 0; | 
|  | const struct reg_sequence *patch = NULL; | 
|  | int patch_size = 0; | 
|  | unsigned int i; | 
|  |  | 
|  | if (fll->ref_src == source && | 
|  | fll->ref_freq == fin && fll->fout == fout) | 
|  | return 0; | 
|  |  | 
|  | madera_fll_dbg(fll, "Change FLL_AO refclk to fin=%u fout=%u source=%d\n", | 
|  | fin, fout, source); | 
|  |  | 
|  | if (fout && (fll->ref_freq != fin || fll->fout != fout)) { | 
|  | for (i = 0; i < ARRAY_SIZE(madera_fllao_settings); i++) { | 
|  | if (madera_fllao_settings[i].fin == fin && | 
|  | madera_fllao_settings[i].fout == fout) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (i == ARRAY_SIZE(madera_fllao_settings)) { | 
|  | madera_fll_err(fll, | 
|  | "No matching configuration for FLL_AO\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | patch = madera_fllao_settings[i].patch; | 
|  | patch_size = madera_fllao_settings[i].patch_size; | 
|  | } | 
|  |  | 
|  | fll->ref_src = source; | 
|  | fll->ref_freq = fin; | 
|  | fll->fout = fout; | 
|  |  | 
|  | if (fout) | 
|  | ret = madera_enable_fll_ao(fll, patch, patch_size); | 
|  | else | 
|  | madera_disable_fll_ao(fll); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_fll_ao_refclk); | 
|  |  | 
|  | static int madera_fllhj_disable(struct madera_fll *fll) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | bool change; | 
|  |  | 
|  | madera_fll_dbg(fll, "Disabling FLL\n"); | 
|  |  | 
|  | /* Disable lockdet, but don't set ctrl_upd update but.  This allows the | 
|  | * lock status bit to clear as normal, but should the FLL be enabled | 
|  | * again due to a control clock being required, the lock won't re-assert | 
|  | * as the FLL config registers are automatically applied when the FLL | 
|  | * enables. | 
|  | */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_11_OFFS, | 
|  | MADERA_FLL1_LOCKDET_MASK, 0); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_HOLD_MASK, MADERA_FLL1_HOLD_MASK); | 
|  | regmap_update_bits_check(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_ENA_MASK, 0, &change); | 
|  |  | 
|  | madera_wait_for_fll(fll, false); | 
|  |  | 
|  | /* ctrl_up gates the writes to all the fll's registers, setting it to 0 | 
|  | * here ensures that after a runtime suspend/resume cycle when one | 
|  | * enables the fll then ctrl_up is the last bit that is configured | 
|  | * by the fll enable code rather than the cache sync operation which | 
|  | * would have updated it much earlier before writing out all fll | 
|  | * registers | 
|  | */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_2_OFFS, | 
|  | MADERA_FLL1_CTRL_UPD_MASK, 0); | 
|  |  | 
|  | if (change) { | 
|  | madera_set_fllhj_clks(fll, fll->base, false); | 
|  | pm_runtime_put_autosuspend(madera->dev); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_fllhj_apply(struct madera_fll *fll, int fin) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | int refdiv, fref, fout, lockdet_thr, fbdiv, hp, fast_clk, fllgcd; | 
|  | bool frac = false; | 
|  | unsigned int fll_n, min_n, max_n, ratio, theta, lambda; | 
|  | unsigned int gains, val, num; | 
|  |  | 
|  | madera_fll_dbg(fll, "fin=%d, fout=%d\n", fin, fll->fout); | 
|  |  | 
|  | for (refdiv = 0; refdiv < 4; refdiv++) | 
|  | if ((fin / (1 << refdiv)) <= MADERA_FLLHJ_MAX_THRESH) | 
|  | break; | 
|  |  | 
|  | fref = fin / (1 << refdiv); | 
|  |  | 
|  | /* Use simple heuristic approach to find a configuration that | 
|  | * should work for most input clocks. | 
|  | */ | 
|  | fast_clk = 0; | 
|  | fout = fll->fout; | 
|  | frac = fout % fref; | 
|  |  | 
|  | if (fref < MADERA_FLLHJ_LOW_THRESH) { | 
|  | lockdet_thr = 2; | 
|  | gains = MADERA_FLLHJ_LOW_GAINS; | 
|  | if (frac) | 
|  | fbdiv = 256; | 
|  | else | 
|  | fbdiv = 4; | 
|  | } else if (fref < MADERA_FLLHJ_MID_THRESH) { | 
|  | lockdet_thr = 8; | 
|  | gains = MADERA_FLLHJ_MID_GAINS; | 
|  | fbdiv = 1; | 
|  | } else { | 
|  | lockdet_thr = 8; | 
|  | gains = MADERA_FLLHJ_HIGH_GAINS; | 
|  | fbdiv = 1; | 
|  | /* For high speed input clocks, enable 300MHz fast oscillator | 
|  | * when we're in fractional divider mode. | 
|  | */ | 
|  | if (frac) { | 
|  | fast_clk = 0x3; | 
|  | fout = fll->fout * 6; | 
|  | } | 
|  | } | 
|  | /* Use high performance mode for fractional configurations. */ | 
|  | if (frac) { | 
|  | hp = 0x3; | 
|  | min_n = MADERA_FLLHJ_FRAC_MIN_N; | 
|  | max_n = MADERA_FLLHJ_FRAC_MAX_N; | 
|  | } else { | 
|  | hp = 0x0; | 
|  | min_n = MADERA_FLLHJ_INT_MIN_N; | 
|  | max_n = MADERA_FLLHJ_INT_MAX_N; | 
|  | } | 
|  |  | 
|  | ratio = fout / fref; | 
|  |  | 
|  | madera_fll_dbg(fll, "refdiv=%d, fref=%d, frac:%d\n", | 
|  | refdiv, fref, frac); | 
|  |  | 
|  | while (ratio / fbdiv < min_n) { | 
|  | fbdiv /= 2; | 
|  | if (fbdiv < 1) { | 
|  | madera_fll_err(fll, "FBDIV (%d) must be >= 1\n", fbdiv); | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  | while (frac && (ratio / fbdiv > max_n)) { | 
|  | fbdiv *= 2; | 
|  | if (fbdiv >= 1024) { | 
|  | madera_fll_err(fll, "FBDIV (%u) >= 1024\n", fbdiv); | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | madera_fll_dbg(fll, "lockdet=%d, hp=0x%x, fbdiv:%d\n", | 
|  | lockdet_thr, hp, fbdiv); | 
|  |  | 
|  | /* Calculate N.K values */ | 
|  | fllgcd = gcd(fout, fbdiv * fref); | 
|  | num = fout / fllgcd; | 
|  | lambda = (fref * fbdiv) / fllgcd; | 
|  | fll_n = num / lambda; | 
|  | theta = num % lambda; | 
|  |  | 
|  | madera_fll_dbg(fll, "fll_n=%d, gcd=%d, theta=%d, lambda=%d\n", | 
|  | fll_n, fllgcd, theta, lambda); | 
|  |  | 
|  | /* Some sanity checks before any registers are written. */ | 
|  | if (fll_n < min_n || fll_n > max_n) { | 
|  | madera_fll_err(fll, "N not in valid %s mode range %d-%d: %d\n", | 
|  | frac ? "fractional" : "integer", min_n, max_n, | 
|  | fll_n); | 
|  | return -EINVAL; | 
|  | } | 
|  | if (fbdiv < 1 || (frac && fbdiv >= 1024) || (!frac && fbdiv >= 256)) { | 
|  | madera_fll_err(fll, "Invalid fbdiv for %s mode (%u)\n", | 
|  | frac ? "fractional" : "integer", fbdiv); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* clear the ctrl_upd bit to guarantee we write to it later. */ | 
|  | regmap_write(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_2_OFFS, | 
|  | fll_n << MADERA_FLL1_N_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_3_OFFS, | 
|  | MADERA_FLL1_THETA_MASK, | 
|  | theta << MADERA_FLL1_THETA_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_4_OFFS, | 
|  | MADERA_FLL1_LAMBDA_MASK, | 
|  | lambda << MADERA_FLL1_LAMBDA_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_5_OFFS, | 
|  | MADERA_FLL1_FB_DIV_MASK, | 
|  | fbdiv << MADERA_FLL1_FB_DIV_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_6_OFFS, | 
|  | MADERA_FLL1_REFCLK_DIV_MASK, | 
|  | refdiv << MADERA_FLL1_REFCLK_DIV_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_GAIN_OFFS, | 
|  | 0xffff, | 
|  | gains); | 
|  | val = hp << MADERA_FLL1_HP_SHIFT; | 
|  | val |= 1 << MADERA_FLL1_PHASEDET_ENA_SHIFT; | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_10_OFFS, | 
|  | MADERA_FLL1_HP_MASK | MADERA_FLL1_PHASEDET_ENA_MASK, | 
|  | val); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_11_OFFS, | 
|  | MADERA_FLL1_LOCKDET_THR_MASK, | 
|  | lockdet_thr << MADERA_FLL1_LOCKDET_THR_SHIFT); | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL1_DIGITAL_TEST_1_OFFS, | 
|  | MADERA_FLL1_SYNC_EFS_ENA_MASK | | 
|  | MADERA_FLL1_CLK_VCO_FAST_SRC_MASK, | 
|  | fast_clk); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_fllhj_enable(struct madera_fll *fll) | 
|  | { | 
|  | struct madera *madera = fll->madera; | 
|  | int already_enabled = madera_is_enabled_fll(fll, fll->base); | 
|  | int ret; | 
|  |  | 
|  | if (already_enabled < 0) | 
|  | return already_enabled; | 
|  |  | 
|  | if (!already_enabled) | 
|  | pm_runtime_get_sync(madera->dev); | 
|  |  | 
|  | madera_fll_dbg(fll, "Enabling FLL, initially %s\n", | 
|  | already_enabled ? "enabled" : "disabled"); | 
|  |  | 
|  | /* FLLn_HOLD must be set before configuring any registers */ | 
|  | regmap_update_bits(fll->madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_HOLD_MASK, | 
|  | MADERA_FLL1_HOLD_MASK); | 
|  |  | 
|  | if (already_enabled) | 
|  | madera_set_fllhj_clks(fll, fll->base, false); | 
|  |  | 
|  | /* Apply refclk */ | 
|  | ret = madera_fllhj_apply(fll, fll->ref_freq); | 
|  | if (ret) { | 
|  | madera_fll_err(fll, "Failed to set FLL: %d\n", ret); | 
|  | goto out; | 
|  | } | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | CS47L92_FLL1_REFCLK_SRC_MASK, | 
|  | fll->ref_src << CS47L92_FLL1_REFCLK_SRC_SHIFT); | 
|  |  | 
|  | madera_set_fllhj_clks(fll, fll->base, true); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_ENA_MASK, | 
|  | MADERA_FLL1_ENA_MASK); | 
|  |  | 
|  | out: | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_11_OFFS, | 
|  | MADERA_FLL1_LOCKDET_MASK, | 
|  | MADERA_FLL1_LOCKDET_MASK); | 
|  |  | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_2_OFFS, | 
|  | MADERA_FLL1_CTRL_UPD_MASK, | 
|  | MADERA_FLL1_CTRL_UPD_MASK); | 
|  |  | 
|  | /* Release the hold so that flln locks to external frequency */ | 
|  | regmap_update_bits(madera->regmap, | 
|  | fll->base + MADERA_FLL_CONTROL_1_OFFS, | 
|  | MADERA_FLL1_HOLD_MASK, | 
|  | 0); | 
|  |  | 
|  | if (!already_enabled) | 
|  | madera_wait_for_fll(fll, true); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int madera_fllhj_validate(struct madera_fll *fll, | 
|  | unsigned int ref_in, | 
|  | unsigned int fout) | 
|  | { | 
|  | if (fout && !ref_in) { | 
|  | madera_fll_err(fll, "fllout set without valid input clk\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (fll->fout && fout != fll->fout) { | 
|  | madera_fll_err(fll, "Can't change output on active FLL\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (ref_in / MADERA_FLL_MAX_REFDIV > MADERA_FLLHJ_MAX_THRESH) { | 
|  | madera_fll_err(fll, "Can't scale %dMHz to <=13MHz\n", ref_in); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int madera_fllhj_set_refclk(struct madera_fll *fll, int source, | 
|  | unsigned int fin, unsigned int fout) | 
|  | { | 
|  | int ret = 0; | 
|  |  | 
|  | /* To remain consistent with previous FLLs, we expect fout to be | 
|  | * provided in the form of the required sysclk rate, which is | 
|  | * 2x the calculated fll out. | 
|  | */ | 
|  | if (fout) | 
|  | fout /= 2; | 
|  |  | 
|  | if (fll->ref_src == source && fll->ref_freq == fin && | 
|  | fll->fout == fout) | 
|  | return 0; | 
|  |  | 
|  | if (fin && fout && madera_fllhj_validate(fll, fin, fout)) | 
|  | return -EINVAL; | 
|  |  | 
|  | fll->ref_src = source; | 
|  | fll->ref_freq = fin; | 
|  | fll->fout = fout; | 
|  |  | 
|  | if (fout) | 
|  | ret = madera_fllhj_enable(fll); | 
|  | else | 
|  | madera_fllhj_disable(fll); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_fllhj_set_refclk); | 
|  |  | 
|  | /** | 
|  | * madera_set_output_mode - Set the mode of the specified output | 
|  | * | 
|  | * @component: Device to configure | 
|  | * @output: Output number | 
|  | * @differential: True to set the output to differential mode | 
|  | * | 
|  | * Some systems use external analogue switches to connect more | 
|  | * analogue devices to the CODEC than are supported by the device.  In | 
|  | * some systems this requires changing the switched output from single | 
|  | * ended to differential mode dynamically at runtime, an operation | 
|  | * supported using this function. | 
|  | * | 
|  | * Most systems have a single static configuration and should use | 
|  | * platform data instead. | 
|  | */ | 
|  | int madera_set_output_mode(struct snd_soc_component *component, int output, | 
|  | bool differential) | 
|  | { | 
|  | unsigned int reg, val; | 
|  | int ret; | 
|  |  | 
|  | if (output < 1 || output > MADERA_MAX_OUTPUT) | 
|  | return -EINVAL; | 
|  |  | 
|  | reg = MADERA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; | 
|  |  | 
|  | if (differential) | 
|  | val = MADERA_OUT1_MONO; | 
|  | else | 
|  | val = 0; | 
|  |  | 
|  | ret = snd_soc_component_update_bits(component, reg, MADERA_OUT1_MONO, | 
|  | val); | 
|  | if (ret < 0) | 
|  | return ret; | 
|  | else | 
|  | return 0; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_set_output_mode); | 
|  |  | 
|  | static bool madera_eq_filter_unstable(bool mode, __be16 _a, __be16 _b) | 
|  | { | 
|  | s16 a = be16_to_cpu(_a); | 
|  | s16 b = be16_to_cpu(_b); | 
|  |  | 
|  | if (!mode) { | 
|  | return abs(a) >= 4096; | 
|  | } else { | 
|  | if (abs(b) >= 4096) | 
|  | return true; | 
|  |  | 
|  | return (abs((a << 16) / (4096 - b)) >= 4096 << 4); | 
|  | } | 
|  | } | 
|  |  | 
|  | int madera_eq_coeff_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | struct soc_bytes *params = (void *)kcontrol->private_value; | 
|  | unsigned int val; | 
|  | __be16 *data; | 
|  | int len; | 
|  | int ret; | 
|  |  | 
|  | len = params->num_regs * regmap_get_val_bytes(madera->regmap); | 
|  |  | 
|  | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); | 
|  | if (!data) | 
|  | return -ENOMEM; | 
|  |  | 
|  | data[0] &= cpu_to_be16(MADERA_EQ1_B1_MODE); | 
|  |  | 
|  | if (madera_eq_filter_unstable(!!data[0], data[1], data[2]) || | 
|  | madera_eq_filter_unstable(true, data[4], data[5]) || | 
|  | madera_eq_filter_unstable(true, data[8], data[9]) || | 
|  | madera_eq_filter_unstable(true, data[12], data[13]) || | 
|  | madera_eq_filter_unstable(false, data[16], data[17])) { | 
|  | dev_err(madera->dev, "Rejecting unstable EQ coefficients\n"); | 
|  | ret = -EINVAL; | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | ret = regmap_read(madera->regmap, params->base, &val); | 
|  | if (ret != 0) | 
|  | goto out; | 
|  |  | 
|  | val &= ~MADERA_EQ1_B1_MODE; | 
|  | data[0] |= cpu_to_be16(val); | 
|  |  | 
|  | ret = regmap_raw_write(madera->regmap, params->base, data, len); | 
|  |  | 
|  | out: | 
|  | kfree(data); | 
|  |  | 
|  | return ret; | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_eq_coeff_put); | 
|  |  | 
|  | int madera_lhpf_coeff_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_soc_component *component = | 
|  | snd_soc_kcontrol_component(kcontrol); | 
|  | struct madera_priv *priv = snd_soc_component_get_drvdata(component); | 
|  | struct madera *madera = priv->madera; | 
|  | __be16 *data = (__be16 *)ucontrol->value.bytes.data; | 
|  | s16 val = be16_to_cpu(*data); | 
|  |  | 
|  | if (abs(val) >= 4096) { | 
|  | dev_err(madera->dev, "Rejecting unstable LHPF coefficients\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return snd_soc_bytes_put(kcontrol, ucontrol); | 
|  | } | 
|  | EXPORT_SYMBOL_GPL(madera_lhpf_coeff_put); | 
|  |  | 
|  | MODULE_SOFTDEP("pre: madera"); | 
|  | MODULE_DESCRIPTION("ASoC Cirrus Logic Madera codec support"); | 
|  | MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.cirrus.com>"); | 
|  | MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); | 
|  | MODULE_LICENSE("GPL v2"); |