687 lines
19 KiB
C
687 lines
19 KiB
C
// 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)),
|
|
SND_SOC_DAPM_MIXER("Adder2", SND_SOC_NOPM, 1, 0, adder2,
|
|
ARRAY_SIZE(adder2)),
|
|
SND_SOC_DAPM_MIXER("Adder3", SND_SOC_NOPM, 1, 0, adder3,
|
|
ARRAY_SIZE(adder3)),
|
|
SND_SOC_DAPM_MIXER("Adder4", SND_SOC_NOPM, 1, 0, adder4,
|
|
ARRAY_SIZE(adder4)),
|
|
SND_SOC_DAPM_MIXER("Adder5", SND_SOC_NOPM, 1, 0, adder5,
|
|
ARRAY_SIZE(adder5)),
|
|
};
|
|
|
|
#define RX_ROUTES(id, sname) \
|
|
{ "RX" #id " XBAR-" sname, NULL, "RX" #id " XBAR-TX" }, \
|
|
{ "RX" #id "-CIF-" sname, NULL, "RX" #id " XBAR-" sname }, \
|
|
{ "RX" #id, NULL, "RX" #id "-CIF-" sname }
|
|
|
|
#define MIXER_RX_ROUTES(id) \
|
|
RX_ROUTES(id, "Playback"), \
|
|
RX_ROUTES(id, "Capture")
|
|
|
|
#define ADDER_ROUTES(id, sname) \
|
|
{ "Adder" #id, "RX1", "RX1" }, \
|
|
{ "Adder" #id, "RX2", "RX2" }, \
|
|
{ "Adder" #id, "RX3", "RX3" }, \
|
|
{ "Adder" #id, "RX4", "RX4" }, \
|
|
{ "Adder" #id, "RX5", "RX5" }, \
|
|
{ "Adder" #id, "RX6", "RX6" }, \
|
|
{ "Adder" #id, "RX7", "RX7" }, \
|
|
{ "Adder" #id, "RX8", "RX8" }, \
|
|
{ "Adder" #id, "RX9", "RX9" }, \
|
|
{ "Adder" #id, "RX10", "RX10" }, \
|
|
{ "TX" #id, NULL, "Adder" #id }, \
|
|
{ "TX" #id "-CIF-" sname, NULL, "TX" #id }, \
|
|
{ "TX" #id " XBAR-" sname, NULL, "TX" #id "-CIF-" sname }, \
|
|
{ "TX" #id " XBAR-RX", NULL, "TX" #id " XBAR-" sname } \
|
|
|
|
#define TX_ROUTES(id, sname) \
|
|
ADDER_ROUTES(1, sname), \
|
|
ADDER_ROUTES(2, sname), \
|
|
ADDER_ROUTES(3, sname), \
|
|
ADDER_ROUTES(4, sname), \
|
|
ADDER_ROUTES(5, sname)
|
|
|
|
#define MIXER_TX_ROUTES(id) \
|
|
TX_ROUTES(id, "Playback"), \
|
|
TX_ROUTES(id, "Capture")
|
|
|
|
static const struct snd_soc_dapm_route tegra210_mixer_routes[] = {
|
|
/* Input */
|
|
MIXER_RX_ROUTES(1),
|
|
MIXER_RX_ROUTES(2),
|
|
MIXER_RX_ROUTES(3),
|
|
MIXER_RX_ROUTES(4),
|
|
MIXER_RX_ROUTES(5),
|
|
MIXER_RX_ROUTES(6),
|
|
MIXER_RX_ROUTES(7),
|
|
MIXER_RX_ROUTES(8),
|
|
MIXER_RX_ROUTES(9),
|
|
MIXER_RX_ROUTES(10),
|
|
/* Output */
|
|
MIXER_TX_ROUTES(1),
|
|
MIXER_TX_ROUTES(2),
|
|
MIXER_TX_ROUTES(3),
|
|
MIXER_TX_ROUTES(4),
|
|
MIXER_TX_ROUTES(5),
|
|
};
|
|
|
|
static const struct snd_soc_component_driver tegra210_mixer_cmpnt = {
|
|
.dapm_widgets = tegra210_mixer_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(tegra210_mixer_widgets),
|
|
.dapm_routes = tegra210_mixer_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(tegra210_mixer_routes),
|
|
.controls = tegra210_mixer_gain_ctls,
|
|
.num_controls = ARRAY_SIZE(tegra210_mixer_gain_ctls),
|
|
};
|
|
|
|
static bool tegra210_mixer_wr_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_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 <aruns@nvidia.com>");
|
|
MODULE_DESCRIPTION("Tegra210 MIXER ASoC driver");
|
|
MODULE_LICENSE("GPL v2");
|