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686 lines
19 KiB
686 lines
19 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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// |
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// tegra210_mixer.c - Tegra210 MIXER driver |
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// |
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// Copyright (c) 2021 NVIDIA CORPORATION. All rights reserved. |
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#include <linux/clk.h> |
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#include <linux/device.h> |
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#include <linux/io.h> |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/of_device.h> |
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#include <linux/platform_device.h> |
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#include <linux/pm_runtime.h> |
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#include <linux/regmap.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc.h> |
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#include "tegra210_mixer.h" |
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#include "tegra_cif.h" |
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#define MIXER_REG(reg, id) ((reg) + ((id) * TEGRA210_MIXER_REG_STRIDE)) |
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#define MIXER_REG_BASE(reg) ((reg) % TEGRA210_MIXER_REG_STRIDE) |
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#define MIXER_GAIN_CFG_RAM_ADDR(id) \ |
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(TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0 + \ |
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((id) * TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE)) |
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#define MIXER_RX_REG_DEFAULTS(id) \ |
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{ MIXER_REG(TEGRA210_MIXER_RX1_CIF_CTRL, id), 0x00007700}, \ |
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{ MIXER_REG(TEGRA210_MIXER_RX1_CTRL, id), 0x00010823}, \ |
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{ MIXER_REG(TEGRA210_MIXER_RX1_PEAK_CTRL, id), 0x000012c0} |
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#define MIXER_TX_REG_DEFAULTS(id) \ |
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{ MIXER_REG(TEGRA210_MIXER_TX1_INT_MASK, (id)), 0x00000001}, \ |
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{ MIXER_REG(TEGRA210_MIXER_TX1_CIF_CTRL, (id)), 0x00007700} |
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#define REG_DURATION_PARAM(reg, i) ((reg) + NUM_GAIN_POLY_COEFFS + 1 + (i)) |
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static const struct reg_default tegra210_mixer_reg_defaults[] = { |
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/* Inputs */ |
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MIXER_RX_REG_DEFAULTS(0), |
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MIXER_RX_REG_DEFAULTS(1), |
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MIXER_RX_REG_DEFAULTS(2), |
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MIXER_RX_REG_DEFAULTS(3), |
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MIXER_RX_REG_DEFAULTS(4), |
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MIXER_RX_REG_DEFAULTS(5), |
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MIXER_RX_REG_DEFAULTS(6), |
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MIXER_RX_REG_DEFAULTS(7), |
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MIXER_RX_REG_DEFAULTS(8), |
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MIXER_RX_REG_DEFAULTS(9), |
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/* Outputs */ |
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MIXER_TX_REG_DEFAULTS(0), |
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MIXER_TX_REG_DEFAULTS(1), |
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MIXER_TX_REG_DEFAULTS(2), |
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MIXER_TX_REG_DEFAULTS(3), |
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MIXER_TX_REG_DEFAULTS(4), |
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{ TEGRA210_MIXER_CG, 0x00000001}, |
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{ TEGRA210_MIXER_GAIN_CFG_RAM_CTRL, 0x00004000}, |
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{ TEGRA210_MIXER_PEAKM_RAM_CTRL, 0x00004000}, |
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{ TEGRA210_MIXER_ENABLE, 0x1 }, |
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}; |
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/* Default gain parameters */ |
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static const struct tegra210_mixer_gain_params gain_params = { |
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/* Polynomial coefficients */ |
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{ 0, 0, 0, 0, 0, 0, 0, 0x1000000, 0 }, |
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/* Gain value */ |
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0x10000, |
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/* Duration Parameters */ |
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{ 0, 0, 0x400, 0x8000000 }, |
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}; |
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static int __maybe_unused tegra210_mixer_runtime_suspend(struct device *dev) |
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{ |
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struct tegra210_mixer *mixer = dev_get_drvdata(dev); |
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regcache_cache_only(mixer->regmap, true); |
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regcache_mark_dirty(mixer->regmap); |
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return 0; |
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} |
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static int __maybe_unused tegra210_mixer_runtime_resume(struct device *dev) |
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{ |
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struct tegra210_mixer *mixer = dev_get_drvdata(dev); |
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regcache_cache_only(mixer->regmap, false); |
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regcache_sync(mixer->regmap); |
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return 0; |
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} |
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static int tegra210_mixer_write_ram(struct tegra210_mixer *mixer, |
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unsigned int addr, |
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unsigned int coef) |
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{ |
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unsigned int reg, val; |
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int err; |
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/* Check if busy */ |
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err = regmap_read_poll_timeout(mixer->regmap, |
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TEGRA210_MIXER_GAIN_CFG_RAM_CTRL, |
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val, !(val & 0x80000000), 10, 10000); |
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if (err < 0) |
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return err; |
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reg = (addr << TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_SHIFT) & |
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TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_MASK; |
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reg |= TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_INIT_EN; |
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reg |= TEGRA210_MIXER_GAIN_CFG_RAM_RW_WRITE; |
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reg |= TEGRA210_MIXER_GAIN_CFG_RAM_SEQ_ACCESS_EN; |
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regmap_write(mixer->regmap, |
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TEGRA210_MIXER_GAIN_CFG_RAM_CTRL, |
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reg); |
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regmap_write(mixer->regmap, |
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TEGRA210_MIXER_GAIN_CFG_RAM_DATA, |
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coef); |
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return 0; |
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} |
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static int tegra210_mixer_configure_gain(struct snd_soc_component *cmpnt, |
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unsigned int id, bool instant_gain) |
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{ |
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struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt); |
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unsigned int reg = MIXER_GAIN_CFG_RAM_ADDR(id); |
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int err, i; |
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pm_runtime_get_sync(cmpnt->dev); |
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/* Write default gain poly coefficients */ |
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for (i = 0; i < NUM_GAIN_POLY_COEFFS; i++) { |
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err = tegra210_mixer_write_ram(mixer, reg + i, |
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gain_params.poly_coeff[i]); |
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if (err < 0) |
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goto rpm_put; |
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} |
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/* Write stored gain value */ |
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err = tegra210_mixer_write_ram(mixer, reg + NUM_GAIN_POLY_COEFFS, |
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mixer->gain_value[id]); |
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if (err < 0) |
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goto rpm_put; |
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/* Write duration parameters */ |
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for (i = 0; i < NUM_DURATION_PARMS; i++) { |
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int val; |
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if (instant_gain) |
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val = 1; |
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else |
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val = gain_params.duration[i]; |
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err = tegra210_mixer_write_ram(mixer, |
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REG_DURATION_PARAM(reg, i), |
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val); |
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if (err < 0) |
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goto rpm_put; |
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} |
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/* Trigger to apply gain configurations */ |
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err = tegra210_mixer_write_ram(mixer, reg + REG_CFG_DONE_TRIGGER, |
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VAL_CFG_DONE_TRIGGER); |
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rpm_put: |
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pm_runtime_put(cmpnt->dev); |
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return err; |
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} |
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static int tegra210_mixer_get_gain(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct soc_mixer_control *mc = |
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(struct soc_mixer_control *)kcontrol->private_value; |
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struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
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struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt); |
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unsigned int reg = mc->reg; |
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unsigned int i; |
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i = (reg - TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0) / |
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TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE; |
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ucontrol->value.integer.value[0] = mixer->gain_value[i]; |
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return 0; |
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} |
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static int tegra210_mixer_apply_gain(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol, |
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bool instant_gain) |
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{ |
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struct soc_mixer_control *mc = |
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(struct soc_mixer_control *)kcontrol->private_value; |
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struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
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struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt); |
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unsigned int reg = mc->reg, id; |
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int err; |
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/* Save gain value for specific MIXER input */ |
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id = (reg - TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0) / |
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TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE; |
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if (mixer->gain_value[id] == ucontrol->value.integer.value[0]) |
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return 0; |
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mixer->gain_value[id] = ucontrol->value.integer.value[0]; |
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err = tegra210_mixer_configure_gain(cmpnt, id, instant_gain); |
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if (err) { |
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dev_err(cmpnt->dev, "Failed to apply gain\n"); |
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return err; |
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} |
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return 1; |
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} |
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static int tegra210_mixer_put_gain(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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return tegra210_mixer_apply_gain(kcontrol, ucontrol, false); |
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} |
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static int tegra210_mixer_put_instant_gain(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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return tegra210_mixer_apply_gain(kcontrol, ucontrol, true); |
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} |
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static int tegra210_mixer_set_audio_cif(struct tegra210_mixer *mixer, |
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struct snd_pcm_hw_params *params, |
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unsigned int reg, |
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unsigned int id) |
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{ |
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unsigned int channels, audio_bits; |
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struct tegra_cif_conf cif_conf; |
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memset(&cif_conf, 0, sizeof(struct tegra_cif_conf)); |
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channels = params_channels(params); |
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switch (params_format(params)) { |
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case SNDRV_PCM_FORMAT_S16_LE: |
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audio_bits = TEGRA_ACIF_BITS_16; |
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break; |
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case SNDRV_PCM_FORMAT_S32_LE: |
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audio_bits = TEGRA_ACIF_BITS_32; |
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break; |
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default: |
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return -EINVAL; |
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} |
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cif_conf.audio_ch = channels; |
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cif_conf.client_ch = channels; |
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cif_conf.audio_bits = audio_bits; |
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cif_conf.client_bits = audio_bits; |
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tegra_set_cif(mixer->regmap, |
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reg + (id * TEGRA210_MIXER_REG_STRIDE), |
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&cif_conf); |
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return 0; |
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} |
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static int tegra210_mixer_in_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params, |
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struct snd_soc_dai *dai) |
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{ |
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struct tegra210_mixer *mixer = snd_soc_dai_get_drvdata(dai); |
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int err; |
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err = tegra210_mixer_set_audio_cif(mixer, params, |
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TEGRA210_MIXER_RX1_CIF_CTRL, |
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dai->id); |
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if (err < 0) |
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return err; |
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return tegra210_mixer_configure_gain(dai->component, dai->id, false); |
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} |
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static int tegra210_mixer_out_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params, |
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struct snd_soc_dai *dai) |
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{ |
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struct tegra210_mixer *mixer = snd_soc_dai_get_drvdata(dai); |
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return tegra210_mixer_set_audio_cif(mixer, params, |
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TEGRA210_MIXER_TX1_CIF_CTRL, |
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dai->id - TEGRA210_MIXER_RX_MAX); |
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} |
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static const struct snd_soc_dai_ops tegra210_mixer_out_dai_ops = { |
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.hw_params = tegra210_mixer_out_hw_params, |
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}; |
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static const struct snd_soc_dai_ops tegra210_mixer_in_dai_ops = { |
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.hw_params = tegra210_mixer_in_hw_params, |
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}; |
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#define IN_DAI(id) \ |
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{ \ |
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.name = "MIXER-RX-CIF"#id, \ |
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.playback = { \ |
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.stream_name = "RX" #id "-CIF-Playback",\ |
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.channels_min = 1, \ |
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.channels_max = 8, \ |
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.rates = SNDRV_PCM_RATE_8000_192000, \ |
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.formats = SNDRV_PCM_FMTBIT_S8 | \ |
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SNDRV_PCM_FMTBIT_S16_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE, \ |
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}, \ |
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.capture = { \ |
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.stream_name = "RX" #id "-CIF-Capture", \ |
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.channels_min = 1, \ |
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.channels_max = 8, \ |
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.rates = SNDRV_PCM_RATE_8000_192000, \ |
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.formats = SNDRV_PCM_FMTBIT_S8 | \ |
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SNDRV_PCM_FMTBIT_S16_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE, \ |
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}, \ |
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.ops = &tegra210_mixer_in_dai_ops, \ |
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} |
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#define OUT_DAI(id) \ |
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{ \ |
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.name = "MIXER-TX-CIF" #id, \ |
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.playback = { \ |
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.stream_name = "TX" #id "-CIF-Playback",\ |
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.channels_min = 1, \ |
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.channels_max = 8, \ |
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.rates = SNDRV_PCM_RATE_8000_192000, \ |
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.formats = SNDRV_PCM_FMTBIT_S8 | \ |
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SNDRV_PCM_FMTBIT_S16_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE, \ |
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}, \ |
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.capture = { \ |
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.stream_name = "TX" #id "-CIF-Capture", \ |
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.channels_min = 1, \ |
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.channels_max = 8, \ |
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.rates = SNDRV_PCM_RATE_8000_192000, \ |
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.formats = SNDRV_PCM_FMTBIT_S8 | \ |
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SNDRV_PCM_FMTBIT_S16_LE | \ |
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SNDRV_PCM_FMTBIT_S32_LE, \ |
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}, \ |
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.ops = &tegra210_mixer_out_dai_ops, \ |
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} |
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static struct snd_soc_dai_driver tegra210_mixer_dais[] = { |
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/* Mixer Input */ |
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IN_DAI(1), |
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IN_DAI(2), |
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IN_DAI(3), |
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IN_DAI(4), |
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IN_DAI(5), |
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IN_DAI(6), |
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IN_DAI(7), |
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IN_DAI(8), |
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IN_DAI(9), |
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IN_DAI(10), |
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/* Mixer Output */ |
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OUT_DAI(1), |
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OUT_DAI(2), |
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OUT_DAI(3), |
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OUT_DAI(4), |
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OUT_DAI(5), |
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}; |
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#define ADDER_CTRL_DECL(name, reg) \ |
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static const struct snd_kcontrol_new name[] = { \ |
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SOC_DAPM_SINGLE("RX1", reg, 0, 1, 0), \ |
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SOC_DAPM_SINGLE("RX2", reg, 1, 1, 0), \ |
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SOC_DAPM_SINGLE("RX3", reg, 2, 1, 0), \ |
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SOC_DAPM_SINGLE("RX4", reg, 3, 1, 0), \ |
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SOC_DAPM_SINGLE("RX5", reg, 4, 1, 0), \ |
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SOC_DAPM_SINGLE("RX6", reg, 5, 1, 0), \ |
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SOC_DAPM_SINGLE("RX7", reg, 6, 1, 0), \ |
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SOC_DAPM_SINGLE("RX8", reg, 7, 1, 0), \ |
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SOC_DAPM_SINGLE("RX9", reg, 8, 1, 0), \ |
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SOC_DAPM_SINGLE("RX10", reg, 9, 1, 0), \ |
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} |
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ADDER_CTRL_DECL(adder1, TEGRA210_MIXER_TX1_ADDER_CONFIG); |
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ADDER_CTRL_DECL(adder2, TEGRA210_MIXER_TX2_ADDER_CONFIG); |
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ADDER_CTRL_DECL(adder3, TEGRA210_MIXER_TX3_ADDER_CONFIG); |
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ADDER_CTRL_DECL(adder4, TEGRA210_MIXER_TX4_ADDER_CONFIG); |
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ADDER_CTRL_DECL(adder5, TEGRA210_MIXER_TX5_ADDER_CONFIG); |
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#define GAIN_CTRL(id) \ |
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SOC_SINGLE_EXT("RX" #id " Gain Volume", \ |
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MIXER_GAIN_CFG_RAM_ADDR((id) - 1), 0, \ |
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0x20000, 0, tegra210_mixer_get_gain, \ |
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tegra210_mixer_put_gain), \ |
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SOC_SINGLE_EXT("RX" #id " Instant Gain Volume", \ |
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MIXER_GAIN_CFG_RAM_ADDR((id) - 1), 0, \ |
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0x20000, 0, tegra210_mixer_get_gain, \ |
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tegra210_mixer_put_instant_gain), |
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/* Volume controls for all MIXER inputs */ |
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static const struct snd_kcontrol_new tegra210_mixer_gain_ctls[] = { |
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GAIN_CTRL(1) |
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GAIN_CTRL(2) |
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GAIN_CTRL(3) |
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GAIN_CTRL(4) |
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GAIN_CTRL(5) |
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GAIN_CTRL(6) |
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GAIN_CTRL(7) |
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GAIN_CTRL(8) |
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GAIN_CTRL(9) |
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GAIN_CTRL(10) |
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}; |
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static const struct snd_soc_dapm_widget tegra210_mixer_widgets[] = { |
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SND_SOC_DAPM_AIF_IN("RX1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX4", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX5", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX6", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX7", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX8", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX9", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_IN("RX10", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("TX1", NULL, 0, TEGRA210_MIXER_TX1_ENABLE, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("TX2", NULL, 0, TEGRA210_MIXER_TX2_ENABLE, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("TX3", NULL, 0, TEGRA210_MIXER_TX3_ENABLE, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("TX4", NULL, 0, TEGRA210_MIXER_TX4_ENABLE, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("TX5", NULL, 0, TEGRA210_MIXER_TX5_ENABLE, 0, 0), |
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SND_SOC_DAPM_MIXER("Adder1", SND_SOC_NOPM, 1, 0, adder1, |
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ARRAY_SIZE(adder1)), |
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SND_SOC_DAPM_MIXER("Adder2", SND_SOC_NOPM, 1, 0, adder2, |
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ARRAY_SIZE(adder2)), |
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SND_SOC_DAPM_MIXER("Adder3", SND_SOC_NOPM, 1, 0, adder3, |
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ARRAY_SIZE(adder3)), |
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SND_SOC_DAPM_MIXER("Adder4", SND_SOC_NOPM, 1, 0, adder4, |
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ARRAY_SIZE(adder4)), |
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SND_SOC_DAPM_MIXER("Adder5", SND_SOC_NOPM, 1, 0, adder5, |
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ARRAY_SIZE(adder5)), |
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}; |
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#define RX_ROUTES(id, sname) \ |
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{ "RX" #id " XBAR-" sname, NULL, "RX" #id " XBAR-TX" }, \ |
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{ "RX" #id "-CIF-" sname, NULL, "RX" #id " XBAR-" sname }, \ |
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{ "RX" #id, NULL, "RX" #id "-CIF-" sname } |
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#define MIXER_RX_ROUTES(id) \ |
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RX_ROUTES(id, "Playback"), \ |
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RX_ROUTES(id, "Capture") |
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|
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#define ADDER_ROUTES(id, sname) \ |
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{ "Adder" #id, "RX1", "RX1" }, \ |
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{ "Adder" #id, "RX2", "RX2" }, \ |
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{ "Adder" #id, "RX3", "RX3" }, \ |
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{ "Adder" #id, "RX4", "RX4" }, \ |
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{ "Adder" #id, "RX5", "RX5" }, \ |
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{ "Adder" #id, "RX6", "RX6" }, \ |
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{ "Adder" #id, "RX7", "RX7" }, \ |
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{ "Adder" #id, "RX8", "RX8" }, \ |
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{ "Adder" #id, "RX9", "RX9" }, \ |
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{ "Adder" #id, "RX10", "RX10" }, \ |
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{ "TX" #id, NULL, "Adder" #id }, \ |
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{ "TX" #id "-CIF-" sname, NULL, "TX" #id }, \ |
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{ "TX" #id " XBAR-" sname, NULL, "TX" #id "-CIF-" sname }, \ |
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{ "TX" #id " XBAR-RX", NULL, "TX" #id " XBAR-" sname } \ |
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|
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#define TX_ROUTES(id, sname) \ |
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ADDER_ROUTES(1, sname), \ |
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ADDER_ROUTES(2, sname), \ |
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ADDER_ROUTES(3, sname), \ |
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ADDER_ROUTES(4, sname), \ |
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ADDER_ROUTES(5, sname) |
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|
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#define MIXER_TX_ROUTES(id) \ |
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TX_ROUTES(id, "Playback"), \ |
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TX_ROUTES(id, "Capture") |
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|
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static const struct snd_soc_dapm_route tegra210_mixer_routes[] = { |
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/* Input */ |
|
MIXER_RX_ROUTES(1), |
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MIXER_RX_ROUTES(2), |
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MIXER_RX_ROUTES(3), |
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MIXER_RX_ROUTES(4), |
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MIXER_RX_ROUTES(5), |
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MIXER_RX_ROUTES(6), |
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MIXER_RX_ROUTES(7), |
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MIXER_RX_ROUTES(8), |
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MIXER_RX_ROUTES(9), |
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MIXER_RX_ROUTES(10), |
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/* Output */ |
|
MIXER_TX_ROUTES(1), |
|
MIXER_TX_ROUTES(2), |
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MIXER_TX_ROUTES(3), |
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MIXER_TX_ROUTES(4), |
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MIXER_TX_ROUTES(5), |
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}; |
|
|
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static const struct snd_soc_component_driver tegra210_mixer_cmpnt = { |
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.dapm_widgets = tegra210_mixer_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(tegra210_mixer_widgets), |
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.dapm_routes = tegra210_mixer_routes, |
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.num_dapm_routes = ARRAY_SIZE(tegra210_mixer_routes), |
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.controls = tegra210_mixer_gain_ctls, |
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.num_controls = ARRAY_SIZE(tegra210_mixer_gain_ctls), |
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}; |
|
|
|
static bool tegra210_mixer_wr_reg(struct device *dev, |
|
unsigned int reg) |
|
{ |
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if (reg < TEGRA210_MIXER_RX_LIMIT) |
|
reg = MIXER_REG_BASE(reg); |
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else if (reg < TEGRA210_MIXER_TX_LIMIT) |
|
reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE; |
|
|
|
switch (reg) { |
|
case TEGRA210_MIXER_RX1_SOFT_RESET: |
|
case TEGRA210_MIXER_RX1_CIF_CTRL ... TEGRA210_MIXER_RX1_PEAK_CTRL: |
|
|
|
case TEGRA210_MIXER_TX1_ENABLE: |
|
case TEGRA210_MIXER_TX1_SOFT_RESET: |
|
case TEGRA210_MIXER_TX1_INT_MASK ... TEGRA210_MIXER_TX1_ADDER_CONFIG: |
|
|
|
case TEGRA210_MIXER_ENABLE ... TEGRA210_MIXER_CG: |
|
case TEGRA210_MIXER_GAIN_CFG_RAM_CTRL ... TEGRA210_MIXER_CTRL: |
|
return true; |
|
default: |
|
return false; |
|
} |
|
} |
|
|
|
static bool tegra210_mixer_rd_reg(struct device *dev, |
|
unsigned int reg) |
|
{ |
|
if (reg < TEGRA210_MIXER_RX_LIMIT) |
|
reg = MIXER_REG_BASE(reg); |
|
else if (reg < TEGRA210_MIXER_TX_LIMIT) |
|
reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE; |
|
|
|
switch (reg) { |
|
case TEGRA210_MIXER_RX1_SOFT_RESET ... TEGRA210_MIXER_RX1_SAMPLE_COUNT: |
|
case TEGRA210_MIXER_TX1_ENABLE ... TEGRA210_MIXER_TX1_ADDER_CONFIG: |
|
case TEGRA210_MIXER_ENABLE ... TEGRA210_MIXER_CTRL: |
|
return true; |
|
default: |
|
return false; |
|
} |
|
} |
|
|
|
static bool tegra210_mixer_volatile_reg(struct device *dev, |
|
unsigned int reg) |
|
{ |
|
if (reg < TEGRA210_MIXER_RX_LIMIT) |
|
reg = MIXER_REG_BASE(reg); |
|
else if (reg < TEGRA210_MIXER_TX_LIMIT) |
|
reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE; |
|
|
|
switch (reg) { |
|
case TEGRA210_MIXER_RX1_SOFT_RESET: |
|
case TEGRA210_MIXER_RX1_STATUS: |
|
|
|
case TEGRA210_MIXER_TX1_SOFT_RESET: |
|
case TEGRA210_MIXER_TX1_STATUS: |
|
case TEGRA210_MIXER_TX1_INT_STATUS: |
|
case TEGRA210_MIXER_TX1_INT_SET: |
|
|
|
case TEGRA210_MIXER_SOFT_RESET: |
|
case TEGRA210_MIXER_STATUS: |
|
case TEGRA210_MIXER_INT_STATUS: |
|
case TEGRA210_MIXER_GAIN_CFG_RAM_CTRL: |
|
case TEGRA210_MIXER_GAIN_CFG_RAM_DATA: |
|
case TEGRA210_MIXER_PEAKM_RAM_CTRL: |
|
case TEGRA210_MIXER_PEAKM_RAM_DATA: |
|
return true; |
|
default: |
|
return false; |
|
} |
|
} |
|
|
|
static bool tegra210_mixer_precious_reg(struct device *dev, |
|
unsigned int reg) |
|
{ |
|
switch (reg) { |
|
case TEGRA210_MIXER_GAIN_CFG_RAM_DATA: |
|
case TEGRA210_MIXER_PEAKM_RAM_DATA: |
|
return true; |
|
default: |
|
return false; |
|
} |
|
} |
|
|
|
static const struct regmap_config tegra210_mixer_regmap_config = { |
|
.reg_bits = 32, |
|
.reg_stride = 4, |
|
.val_bits = 32, |
|
.max_register = TEGRA210_MIXER_CTRL, |
|
.writeable_reg = tegra210_mixer_wr_reg, |
|
.readable_reg = tegra210_mixer_rd_reg, |
|
.volatile_reg = tegra210_mixer_volatile_reg, |
|
.precious_reg = tegra210_mixer_precious_reg, |
|
.reg_defaults = tegra210_mixer_reg_defaults, |
|
.num_reg_defaults = ARRAY_SIZE(tegra210_mixer_reg_defaults), |
|
.cache_type = REGCACHE_FLAT, |
|
}; |
|
|
|
static const struct of_device_id tegra210_mixer_of_match[] = { |
|
{ .compatible = "nvidia,tegra210-amixer" }, |
|
{}, |
|
}; |
|
MODULE_DEVICE_TABLE(of, tegra210_mixer_of_match); |
|
|
|
static int tegra210_mixer_platform_probe(struct platform_device *pdev) |
|
{ |
|
struct device *dev = &pdev->dev; |
|
struct tegra210_mixer *mixer; |
|
void __iomem *regs; |
|
int err, i; |
|
|
|
mixer = devm_kzalloc(dev, sizeof(*mixer), GFP_KERNEL); |
|
if (!mixer) |
|
return -ENOMEM; |
|
|
|
dev_set_drvdata(dev, mixer); |
|
|
|
/* Use default gain value for all MIXER inputs */ |
|
for (i = 0; i < TEGRA210_MIXER_RX_MAX; i++) |
|
mixer->gain_value[i] = gain_params.gain_value; |
|
|
|
regs = devm_platform_ioremap_resource(pdev, 0); |
|
if (IS_ERR(regs)) |
|
return PTR_ERR(regs); |
|
|
|
mixer->regmap = devm_regmap_init_mmio(dev, regs, |
|
&tegra210_mixer_regmap_config); |
|
if (IS_ERR(mixer->regmap)) { |
|
dev_err(dev, "regmap init failed\n"); |
|
return PTR_ERR(mixer->regmap); |
|
} |
|
|
|
regcache_cache_only(mixer->regmap, true); |
|
|
|
err = devm_snd_soc_register_component(dev, &tegra210_mixer_cmpnt, |
|
tegra210_mixer_dais, |
|
ARRAY_SIZE(tegra210_mixer_dais)); |
|
if (err) { |
|
dev_err(dev, "can't register MIXER component, err: %d\n", err); |
|
return err; |
|
} |
|
|
|
pm_runtime_enable(dev); |
|
|
|
return 0; |
|
} |
|
|
|
static int tegra210_mixer_platform_remove(struct platform_device *pdev) |
|
{ |
|
pm_runtime_disable(&pdev->dev); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct dev_pm_ops tegra210_mixer_pm_ops = { |
|
SET_RUNTIME_PM_OPS(tegra210_mixer_runtime_suspend, |
|
tegra210_mixer_runtime_resume, NULL) |
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, |
|
pm_runtime_force_resume) |
|
}; |
|
|
|
static struct platform_driver tegra210_mixer_driver = { |
|
.driver = { |
|
.name = "tegra210_mixer", |
|
.of_match_table = tegra210_mixer_of_match, |
|
.pm = &tegra210_mixer_pm_ops, |
|
}, |
|
.probe = tegra210_mixer_platform_probe, |
|
.remove = tegra210_mixer_platform_remove, |
|
}; |
|
module_platform_driver(tegra210_mixer_driver); |
|
|
|
MODULE_AUTHOR("Arun Shamanna Lakshmi <[email protected]>"); |
|
MODULE_DESCRIPTION("Tegra210 MIXER ASoC driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|