summaryrefslogtreecommitdiffstats
path: root/sound/soc/qcom/lpass-cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/qcom/lpass-cpu.c')
-rw-r--r--sound/soc/qcom/lpass-cpu.c1294
1 files changed, 1294 insertions, 0 deletions
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
new file mode 100644
index 000000000..dbdaaa85c
--- /dev/null
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -0,0 +1,1294 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
+ *
+ * lpass-cpu.c -- ALSA SoC CPU DAI driver for QTi LPASS
+ */
+
+#include <linux/clk.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include "lpass-lpaif-reg.h"
+#include "lpass.h"
+
+#define LPASS_CPU_MAX_MI2S_LINES 4
+#define LPASS_CPU_I2S_SD0_MASK BIT(0)
+#define LPASS_CPU_I2S_SD1_MASK BIT(1)
+#define LPASS_CPU_I2S_SD2_MASK BIT(2)
+#define LPASS_CPU_I2S_SD3_MASK BIT(3)
+#define LPASS_CPU_I2S_SD0_1_MASK GENMASK(1, 0)
+#define LPASS_CPU_I2S_SD2_3_MASK GENMASK(3, 2)
+#define LPASS_CPU_I2S_SD0_1_2_MASK GENMASK(2, 0)
+#define LPASS_CPU_I2S_SD0_1_2_3_MASK GENMASK(3, 0)
+#define LPASS_REG_READ 1
+#define LPASS_REG_WRITE 0
+
+/*
+ * Channel maps for Quad channel playbacks on MI2S Secondary
+ */
+static struct snd_pcm_chmap_elem lpass_quad_chmaps[] = {
+ { .channels = 4,
+ .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_RL,
+ SNDRV_CHMAP_FR, SNDRV_CHMAP_RR } },
+ { }
+};
+static int lpass_cpu_init_i2sctl_bitfields(struct device *dev,
+ struct lpaif_i2sctl *i2sctl, struct regmap *map)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+
+ i2sctl->loopback = devm_regmap_field_alloc(dev, map, v->loopback);
+ i2sctl->spken = devm_regmap_field_alloc(dev, map, v->spken);
+ i2sctl->spkmode = devm_regmap_field_alloc(dev, map, v->spkmode);
+ i2sctl->spkmono = devm_regmap_field_alloc(dev, map, v->spkmono);
+ i2sctl->micen = devm_regmap_field_alloc(dev, map, v->micen);
+ i2sctl->micmode = devm_regmap_field_alloc(dev, map, v->micmode);
+ i2sctl->micmono = devm_regmap_field_alloc(dev, map, v->micmono);
+ i2sctl->wssrc = devm_regmap_field_alloc(dev, map, v->wssrc);
+ i2sctl->bitwidth = devm_regmap_field_alloc(dev, map, v->bitwidth);
+
+ if (IS_ERR(i2sctl->loopback) || IS_ERR(i2sctl->spken) ||
+ IS_ERR(i2sctl->spkmode) || IS_ERR(i2sctl->spkmono) ||
+ IS_ERR(i2sctl->micen) || IS_ERR(i2sctl->micmode) ||
+ IS_ERR(i2sctl->micmono) || IS_ERR(i2sctl->wssrc) ||
+ IS_ERR(i2sctl->bitwidth))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ int ret;
+
+ ret = clk_set_rate(drvdata->mi2s_osr_clk[dai->driver->id], freq);
+ if (ret)
+ dev_err(dai->dev, "error setting mi2s osrclk to %u: %d\n",
+ freq, ret);
+
+ return ret;
+}
+
+static int lpass_cpu_daiops_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ int ret;
+
+ ret = clk_prepare_enable(drvdata->mi2s_osr_clk[dai->driver->id]);
+ if (ret) {
+ dev_err(dai->dev, "error in enabling mi2s osr clk: %d\n", ret);
+ return ret;
+ }
+ ret = clk_prepare(drvdata->mi2s_bit_clk[dai->driver->id]);
+ if (ret) {
+ dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret);
+ clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]);
+ return ret;
+ }
+ return 0;
+}
+
+static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
+ unsigned int id = dai->driver->id;
+
+ clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]);
+ /*
+ * Ensure LRCLK is disabled even in device node validation.
+ * Will not impact if disabled in lpass_cpu_daiops_trigger()
+ * suspend.
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_DISABLE);
+ else
+ regmap_fields_write(i2sctl->micen, id, LPAIF_I2SCTL_MICEN_DISABLE);
+
+ /*
+ * BCLK may not be enabled if lpass_cpu_daiops_prepare is called before
+ * lpass_cpu_daiops_shutdown. It's paired with the clk_enable in
+ * lpass_cpu_daiops_prepare.
+ */
+ if (drvdata->mi2s_was_prepared[dai->driver->id]) {
+ drvdata->mi2s_was_prepared[dai->driver->id] = false;
+ clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]);
+ }
+
+ clk_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]);
+}
+
+static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
+ unsigned int id = dai->driver->id;
+ snd_pcm_format_t format = params_format(params);
+ unsigned int channels = params_channels(params);
+ unsigned int rate = params_rate(params);
+ unsigned int mode;
+ unsigned int regval;
+ int bitwidth, ret;
+
+ bitwidth = snd_pcm_format_width(format);
+ if (bitwidth < 0) {
+ dev_err(dai->dev, "invalid bit width given: %d\n", bitwidth);
+ return bitwidth;
+ }
+
+ ret = regmap_fields_write(i2sctl->loopback, id,
+ LPAIF_I2SCTL_LOOPBACK_DISABLE);
+ if (ret) {
+ dev_err(dai->dev, "error updating loopback field: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_fields_write(i2sctl->wssrc, id,
+ LPAIF_I2SCTL_WSSRC_INTERNAL);
+ if (ret) {
+ dev_err(dai->dev, "error updating wssrc field: %d\n", ret);
+ return ret;
+ }
+
+ switch (bitwidth) {
+ case 16:
+ regval = LPAIF_I2SCTL_BITWIDTH_16;
+ break;
+ case 24:
+ regval = LPAIF_I2SCTL_BITWIDTH_24;
+ break;
+ case 32:
+ regval = LPAIF_I2SCTL_BITWIDTH_32;
+ break;
+ default:
+ dev_err(dai->dev, "invalid bitwidth given: %d\n", bitwidth);
+ return -EINVAL;
+ }
+
+ ret = regmap_fields_write(i2sctl->bitwidth, id, regval);
+ if (ret) {
+ dev_err(dai->dev, "error updating bitwidth field: %d\n", ret);
+ return ret;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ mode = drvdata->mi2s_playback_sd_mode[id];
+ else
+ mode = drvdata->mi2s_capture_sd_mode[id];
+
+ if (!mode) {
+ dev_err(dai->dev, "no line is assigned\n");
+ return -EINVAL;
+ }
+
+ switch (channels) {
+ case 1:
+ case 2:
+ switch (mode) {
+ case LPAIF_I2SCTL_MODE_QUAD01:
+ case LPAIF_I2SCTL_MODE_6CH:
+ case LPAIF_I2SCTL_MODE_8CH:
+ mode = LPAIF_I2SCTL_MODE_SD0;
+ break;
+ case LPAIF_I2SCTL_MODE_QUAD23:
+ mode = LPAIF_I2SCTL_MODE_SD2;
+ break;
+ }
+
+ break;
+ case 4:
+ if (mode < LPAIF_I2SCTL_MODE_QUAD01) {
+ dev_err(dai->dev, "cannot configure 4 channels with mode %d\n",
+ mode);
+ return -EINVAL;
+ }
+
+ switch (mode) {
+ case LPAIF_I2SCTL_MODE_6CH:
+ case LPAIF_I2SCTL_MODE_8CH:
+ mode = LPAIF_I2SCTL_MODE_QUAD01;
+ break;
+ }
+ break;
+ case 6:
+ if (mode < LPAIF_I2SCTL_MODE_6CH) {
+ dev_err(dai->dev, "cannot configure 6 channels with mode %d\n",
+ mode);
+ return -EINVAL;
+ }
+
+ switch (mode) {
+ case LPAIF_I2SCTL_MODE_8CH:
+ mode = LPAIF_I2SCTL_MODE_6CH;
+ break;
+ }
+ break;
+ case 8:
+ if (mode < LPAIF_I2SCTL_MODE_8CH) {
+ dev_err(dai->dev, "cannot configure 8 channels with mode %d\n",
+ mode);
+ return -EINVAL;
+ }
+ break;
+ default:
+ dev_err(dai->dev, "invalid channels given: %u\n", channels);
+ return -EINVAL;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ ret = regmap_fields_write(i2sctl->spkmode, id,
+ LPAIF_I2SCTL_SPKMODE(mode));
+ if (ret) {
+ dev_err(dai->dev, "error writing to i2sctl spkr mode: %d\n",
+ ret);
+ return ret;
+ }
+ if (channels >= 2)
+ ret = regmap_fields_write(i2sctl->spkmono, id,
+ LPAIF_I2SCTL_SPKMONO_STEREO);
+ else
+ ret = regmap_fields_write(i2sctl->spkmono, id,
+ LPAIF_I2SCTL_SPKMONO_MONO);
+ } else {
+ ret = regmap_fields_write(i2sctl->micmode, id,
+ LPAIF_I2SCTL_MICMODE(mode));
+ if (ret) {
+ dev_err(dai->dev, "error writing to i2sctl mic mode: %d\n",
+ ret);
+ return ret;
+ }
+ if (channels >= 2)
+ ret = regmap_fields_write(i2sctl->micmono, id,
+ LPAIF_I2SCTL_MICMONO_STEREO);
+ else
+ ret = regmap_fields_write(i2sctl->micmono, id,
+ LPAIF_I2SCTL_MICMONO_MONO);
+ }
+
+ if (ret) {
+ dev_err(dai->dev, "error writing to i2sctl channels mode: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = clk_set_rate(drvdata->mi2s_bit_clk[id],
+ rate * bitwidth * 2);
+ if (ret) {
+ dev_err(dai->dev, "error setting mi2s bitclk to %u: %d\n",
+ rate * bitwidth * 2, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
+ unsigned int id = dai->driver->id;
+ int ret = -EINVAL;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ /*
+ * Ensure lpass BCLK/LRCLK is enabled during
+ * device resume as lpass_cpu_daiops_prepare() is not called
+ * after the device resumes. We don't check mi2s_was_prepared before
+ * enable/disable BCLK in trigger events because:
+ * 1. These trigger events are paired, so the BCLK
+ * enable_count is balanced.
+ * 2. the BCLK can be shared (ex: headset and headset mic),
+ * we need to increase the enable_count so that we don't
+ * turn off the shared BCLK while other devices are using
+ * it.
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ ret = regmap_fields_write(i2sctl->spken, id,
+ LPAIF_I2SCTL_SPKEN_ENABLE);
+ } else {
+ ret = regmap_fields_write(i2sctl->micen, id,
+ LPAIF_I2SCTL_MICEN_ENABLE);
+ }
+ if (ret)
+ dev_err(dai->dev, "error writing to i2sctl reg: %d\n",
+ ret);
+
+ ret = clk_enable(drvdata->mi2s_bit_clk[id]);
+ if (ret) {
+ dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret);
+ clk_disable(drvdata->mi2s_osr_clk[id]);
+ return ret;
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ /*
+ * To ensure lpass BCLK/LRCLK is disabled during
+ * device suspend.
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ ret = regmap_fields_write(i2sctl->spken, id,
+ LPAIF_I2SCTL_SPKEN_DISABLE);
+ } else {
+ ret = regmap_fields_write(i2sctl->micen, id,
+ LPAIF_I2SCTL_MICEN_DISABLE);
+ }
+ if (ret)
+ dev_err(dai->dev, "error writing to i2sctl reg: %d\n",
+ ret);
+
+ clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]);
+
+ break;
+ }
+
+ return ret;
+}
+
+static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
+ unsigned int id = dai->driver->id;
+ int ret;
+
+ /*
+ * Ensure lpass BCLK/LRCLK is enabled bit before playback/capture
+ * data flow starts. This allows other codec to have some delay before
+ * the data flow.
+ * (ex: to drop start up pop noise before capture starts).
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ ret = regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_ENABLE);
+ else
+ ret = regmap_fields_write(i2sctl->micen, id, LPAIF_I2SCTL_MICEN_ENABLE);
+
+ if (ret) {
+ dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * Check mi2s_was_prepared before enabling BCLK as lpass_cpu_daiops_prepare can
+ * be called multiple times. It's paired with the clk_disable in
+ * lpass_cpu_daiops_shutdown.
+ */
+ if (!drvdata->mi2s_was_prepared[dai->driver->id]) {
+ ret = clk_enable(drvdata->mi2s_bit_clk[id]);
+ if (ret) {
+ dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret);
+ return ret;
+ }
+ drvdata->mi2s_was_prepared[dai->driver->id] = true;
+ }
+ return 0;
+}
+
+const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = {
+ .set_sysclk = lpass_cpu_daiops_set_sysclk,
+ .startup = lpass_cpu_daiops_startup,
+ .shutdown = lpass_cpu_daiops_shutdown,
+ .hw_params = lpass_cpu_daiops_hw_params,
+ .trigger = lpass_cpu_daiops_trigger,
+ .prepare = lpass_cpu_daiops_prepare,
+};
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops);
+
+int lpass_cpu_pcm_new(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_dai *dai)
+{
+ int ret;
+ struct snd_soc_dai_driver *drv = dai->driver;
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+
+ if (drvdata->mi2s_playback_sd_mode[dai->id] == LPAIF_I2SCTL_MODE_QUAD01) {
+ ret = snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ lpass_quad_chmaps, drv->playback.channels_max, 0,
+ NULL);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(lpass_cpu_pcm_new);
+
+int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai)
+{
+ struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
+ int ret;
+
+ /* ensure audio hardware is disabled */
+ ret = regmap_write(drvdata->lpaif_map,
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), 0);
+ if (ret)
+ dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_probe);
+
+static int asoc_qcom_of_xlate_dai_name(struct snd_soc_component *component,
+ const struct of_phandle_args *args,
+ const char **dai_name)
+{
+ struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
+ struct lpass_variant *variant = drvdata->variant;
+ int id = args->args[0];
+ int ret = -EINVAL;
+ int i;
+
+ for (i = 0; i < variant->num_dai; i++) {
+ if (variant->dai_driver[i].id == id) {
+ *dai_name = variant->dai_driver[i].name;
+ ret = 0;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
+ .name = "lpass-cpu",
+ .of_xlate_dai_name = asoc_qcom_of_xlate_dai_name,
+ .legacy_dai_naming = 1,
+};
+
+static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
+ return true;
+
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQEN_REG(v, i))
+ return true;
+ if (reg == LPAIF_IRQCLEAR_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMABASE_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMAPER_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->wrdma_channels; ++i) {
+ if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start))
+ return true;
+ }
+
+ return false;
+}
+
+static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
+ return true;
+
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_IRQEN_REG(v, i))
+ return true;
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMABASE_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMACURR_REG(v, i))
+ return true;
+ if (reg == LPAIF_RDMAPER_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->wrdma_channels; ++i) {
+ if (reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABASE_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMABUFF_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start))
+ return true;
+ if (reg == LPAIF_WRDMAPER_REG(v, i + v->wrdma_channel_start))
+ return true;
+ }
+
+ return false;
+}
+
+static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->rdma_channels; ++i)
+ if (reg == LPAIF_RDMACURR_REG(v, i))
+ return true;
+
+ for (i = 0; i < v->wrdma_channels; ++i)
+ if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start))
+ return true;
+
+ return false;
+}
+
+static struct regmap_config lpass_cpu_regmap_config = {
+ .name = "lpass_cpu",
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .writeable_reg = lpass_cpu_regmap_writeable,
+ .readable_reg = lpass_cpu_regmap_readable,
+ .volatile_reg = lpass_cpu_regmap_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static int lpass_hdmi_init_bitfields(struct device *dev, struct regmap *map)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ unsigned int i;
+ struct lpass_hdmi_tx_ctl *tx_ctl;
+ struct regmap_field *legacy_en;
+ struct lpass_vbit_ctrl *vbit_ctl;
+ struct regmap_field *tx_parity;
+ struct lpass_dp_metadata_ctl *meta_ctl;
+ struct lpass_sstream_ctl *sstream_ctl;
+ struct regmap_field *ch_msb;
+ struct regmap_field *ch_lsb;
+ struct lpass_hdmitx_dmactl *tx_dmactl;
+ int rval;
+
+ tx_ctl = devm_kzalloc(dev, sizeof(*tx_ctl), GFP_KERNEL);
+ if (!tx_ctl)
+ return -ENOMEM;
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->soft_reset, tx_ctl->soft_reset);
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->force_reset, tx_ctl->force_reset);
+ drvdata->tx_ctl = tx_ctl;
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->legacy_en, legacy_en);
+ drvdata->hdmitx_legacy_en = legacy_en;
+
+ vbit_ctl = devm_kzalloc(dev, sizeof(*vbit_ctl), GFP_KERNEL);
+ if (!vbit_ctl)
+ return -ENOMEM;
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->replace_vbit, vbit_ctl->replace_vbit);
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->vbit_stream, vbit_ctl->vbit_stream);
+ drvdata->vbit_ctl = vbit_ctl;
+
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->calc_en, tx_parity);
+ drvdata->hdmitx_parity_calc_en = tx_parity;
+
+ meta_ctl = devm_kzalloc(dev, sizeof(*meta_ctl), GFP_KERNEL);
+ if (!meta_ctl)
+ return -ENOMEM;
+
+ rval = devm_regmap_field_bulk_alloc(dev, map, &meta_ctl->mute, &v->mute, 7);
+ if (rval)
+ return rval;
+ drvdata->meta_ctl = meta_ctl;
+
+ sstream_ctl = devm_kzalloc(dev, sizeof(*sstream_ctl), GFP_KERNEL);
+ if (!sstream_ctl)
+ return -ENOMEM;
+
+ rval = devm_regmap_field_bulk_alloc(dev, map, &sstream_ctl->sstream_en, &v->sstream_en, 9);
+ if (rval)
+ return rval;
+
+ drvdata->sstream_ctl = sstream_ctl;
+
+ for (i = 0; i < LPASS_MAX_HDMI_DMA_CHANNELS; i++) {
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->msb_bits, ch_msb);
+ drvdata->hdmitx_ch_msb[i] = ch_msb;
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->lsb_bits, ch_lsb);
+ drvdata->hdmitx_ch_lsb[i] = ch_lsb;
+
+ tx_dmactl = devm_kzalloc(dev, sizeof(*tx_dmactl), GFP_KERNEL);
+ if (!tx_dmactl)
+ return -ENOMEM;
+
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_chs, tx_dmactl->use_hw_chs);
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->use_hw_usr, tx_dmactl->use_hw_usr);
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_chs_sel, tx_dmactl->hw_chs_sel);
+ QCOM_REGMAP_FIELD_ALLOC(dev, map, v->hw_usr_sel, tx_dmactl->hw_usr_sel);
+ drvdata->hdmi_tx_dmactl[i] = tx_dmactl;
+ }
+ return 0;
+}
+
+static bool lpass_hdmi_regmap_writeable(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ if (reg == LPASS_HDMI_TX_CTL_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_DP_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMITX_APP_IRQEN_REG(v))
+ return true;
+ if (reg == LPASS_HDMITX_APP_IRQCLEAR_REG(v))
+ return true;
+
+ for (i = 0; i < v->hdmi_rdma_channels; i++) {
+ if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->hdmi_rdma_channels; ++i) {
+ if (reg == LPAIF_HDMI_RDMACTL_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMABASE_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMAPER_REG(v, i))
+ return true;
+ }
+ return false;
+}
+
+static bool lpass_hdmi_regmap_readable(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ if (reg == LPASS_HDMI_TX_CTL_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
+ return true;
+
+ for (i = 0; i < v->hdmi_rdma_channels; i++) {
+ if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i))
+ return true;
+ }
+
+ if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_DP_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_SSTREAM_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMITX_APP_IRQEN_REG(v))
+ return true;
+ if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v))
+ return true;
+
+ for (i = 0; i < v->hdmi_rdma_channels; ++i) {
+ if (reg == LPAIF_HDMI_RDMACTL_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMABASE_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMABUFF_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMAPER_REG(v, i))
+ return true;
+ if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
+ return true;
+ }
+
+ return false;
+}
+
+static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ if (reg == LPASS_HDMITX_APP_IRQSTAT_REG(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v))
+ return true;
+ if (reg == LPASS_HDMI_TX_PARITY_ADDR(v))
+ return true;
+
+ for (i = 0; i < v->hdmi_rdma_channels; ++i) {
+ if (reg == LPAIF_HDMI_RDMACURR_REG(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i))
+ return true;
+ if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i))
+ return true;
+ }
+ return false;
+}
+
+static struct regmap_config lpass_hdmi_regmap_config = {
+ .name = "lpass_hdmi",
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .writeable_reg = lpass_hdmi_regmap_writeable,
+ .readable_reg = lpass_hdmi_regmap_readable,
+ .volatile_reg = lpass_hdmi_regmap_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static bool __lpass_rxtx_regmap_accessible(struct device *dev, unsigned int reg, bool rw)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->rxtx_irq_ports; ++i) {
+ if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_RXTX_IRQEN_REG(v, i))
+ return true;
+ if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->rxtx_rdma_channels; ++i) {
+ if (reg == LPAIF_CDC_RXTX_RDMACTL_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_RDMABASE_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_RDMABUFF_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ if (rw == LPASS_REG_READ) {
+ if (reg == LPAIF_CDC_RXTX_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ }
+ if (reg == LPAIF_CDC_RXTX_RDMAPER_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_RDMA_INTF_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ }
+
+ for (i = 0; i < v->rxtx_wrdma_channels; ++i) {
+ if (reg == LPAIF_CDC_RXTX_WRDMACTL_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_WRDMABASE_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_WRDMABUFF_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+ if (rw == LPASS_REG_READ) {
+ if (reg == LPAIF_CDC_RXTX_WRDMACURR_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+ }
+ if (reg == LPAIF_CDC_RXTX_WRDMAPER_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+ if (reg == LPAIF_CDC_RXTX_WRDMA_INTF_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+ }
+ return false;
+}
+
+static bool lpass_rxtx_regmap_writeable(struct device *dev, unsigned int reg)
+{
+ return __lpass_rxtx_regmap_accessible(dev, reg, LPASS_REG_WRITE);
+}
+
+static bool lpass_rxtx_regmap_readable(struct device *dev, unsigned int reg)
+{
+ return __lpass_rxtx_regmap_accessible(dev, reg, LPASS_REG_READ);
+}
+
+static bool lpass_rxtx_regmap_volatile(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->rxtx_irq_ports; ++i) {
+ if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->rxtx_rdma_channels; ++i)
+ if (reg == LPAIF_CDC_RXTX_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0))
+ return true;
+
+ for (i = 0; i < v->rxtx_wrdma_channels; ++i)
+ if (reg == LPAIF_CDC_RXTX_WRDMACURR_REG(v, i + v->rxtx_wrdma_channel_start,
+ LPASS_CDC_DMA_TX3))
+ return true;
+
+ return false;
+}
+
+static bool __lpass_va_regmap_accessible(struct device *dev, unsigned int reg, bool rw)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->va_irq_ports; ++i) {
+ if (reg == LPAIF_VA_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_VA_IRQEN_REG(v, i))
+ return true;
+ if (reg == LPAIF_VA_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->va_wrdma_channels; ++i) {
+ if (reg == LPAIF_CDC_VA_WRDMACTL_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ if (reg == LPAIF_CDC_VA_WRDMABASE_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ if (reg == LPAIF_CDC_VA_WRDMABUFF_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ if (rw == LPASS_REG_READ) {
+ if (reg == LPAIF_CDC_VA_WRDMACURR_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ }
+ if (reg == LPAIF_CDC_VA_WRDMAPER_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ if (reg == LPAIF_CDC_VA_WRDMA_INTF_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ }
+ return false;
+}
+
+static bool lpass_va_regmap_writeable(struct device *dev, unsigned int reg)
+{
+ return __lpass_va_regmap_accessible(dev, reg, LPASS_REG_WRITE);
+}
+
+static bool lpass_va_regmap_readable(struct device *dev, unsigned int reg)
+{
+ return __lpass_va_regmap_accessible(dev, reg, LPASS_REG_READ);
+}
+
+static bool lpass_va_regmap_volatile(struct device *dev, unsigned int reg)
+{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
+ int i;
+
+ for (i = 0; i < v->va_irq_ports; ++i) {
+ if (reg == LPAIF_VA_IRQCLEAR_REG(v, i))
+ return true;
+ if (reg == LPAIF_VA_IRQSTAT_REG(v, i))
+ return true;
+ }
+
+ for (i = 0; i < v->va_wrdma_channels; ++i) {
+ if (reg == LPAIF_CDC_VA_WRDMACURR_REG(v, i + v->va_wrdma_channel_start,
+ LPASS_CDC_DMA_VA_TX0))
+ return true;
+ }
+
+ return false;
+}
+
+static struct regmap_config lpass_rxtx_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .writeable_reg = lpass_rxtx_regmap_writeable,
+ .readable_reg = lpass_rxtx_regmap_readable,
+ .volatile_reg = lpass_rxtx_regmap_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static struct regmap_config lpass_va_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .writeable_reg = lpass_va_regmap_writeable,
+ .readable_reg = lpass_va_regmap_readable,
+ .volatile_reg = lpass_va_regmap_volatile,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static unsigned int of_lpass_cpu_parse_sd_lines(struct device *dev,
+ struct device_node *node,
+ const char *name)
+{
+ unsigned int lines[LPASS_CPU_MAX_MI2S_LINES];
+ unsigned int sd_line_mask = 0;
+ int num_lines, i;
+
+ num_lines = of_property_read_variable_u32_array(node, name, lines, 0,
+ LPASS_CPU_MAX_MI2S_LINES);
+ if (num_lines < 0)
+ return LPAIF_I2SCTL_MODE_NONE;
+
+ for (i = 0; i < num_lines; i++)
+ sd_line_mask |= BIT(lines[i]);
+
+ switch (sd_line_mask) {
+ case LPASS_CPU_I2S_SD0_MASK:
+ return LPAIF_I2SCTL_MODE_SD0;
+ case LPASS_CPU_I2S_SD1_MASK:
+ return LPAIF_I2SCTL_MODE_SD1;
+ case LPASS_CPU_I2S_SD2_MASK:
+ return LPAIF_I2SCTL_MODE_SD2;
+ case LPASS_CPU_I2S_SD3_MASK:
+ return LPAIF_I2SCTL_MODE_SD3;
+ case LPASS_CPU_I2S_SD0_1_MASK:
+ return LPAIF_I2SCTL_MODE_QUAD01;
+ case LPASS_CPU_I2S_SD2_3_MASK:
+ return LPAIF_I2SCTL_MODE_QUAD23;
+ case LPASS_CPU_I2S_SD0_1_2_MASK:
+ return LPAIF_I2SCTL_MODE_6CH;
+ case LPASS_CPU_I2S_SD0_1_2_3_MASK:
+ return LPAIF_I2SCTL_MODE_8CH;
+ default:
+ dev_err(dev, "Unsupported SD line mask: %#x\n", sd_line_mask);
+ return LPAIF_I2SCTL_MODE_NONE;
+ }
+}
+
+static void of_lpass_cpu_parse_dai_data(struct device *dev,
+ struct lpass_data *data)
+{
+ struct device_node *node;
+ int ret, i, id;
+
+ /* Allow all channels by default for backwards compatibility */
+ for (i = 0; i < data->variant->num_dai; i++) {
+ id = data->variant->dai_driver[i].id;
+ data->mi2s_playback_sd_mode[id] = LPAIF_I2SCTL_MODE_8CH;
+ data->mi2s_capture_sd_mode[id] = LPAIF_I2SCTL_MODE_8CH;
+ }
+
+ for_each_child_of_node(dev->of_node, node) {
+ ret = of_property_read_u32(node, "reg", &id);
+ if (ret || id < 0) {
+ dev_err(dev, "valid dai id not found: %d\n", ret);
+ continue;
+ }
+ if (id == LPASS_DP_RX) {
+ data->hdmi_port_enable = 1;
+ } else if (is_cdc_dma_port(id)) {
+ data->codec_dma_enable = 1;
+ } else {
+ data->mi2s_playback_sd_mode[id] =
+ of_lpass_cpu_parse_sd_lines(dev, node,
+ "qcom,playback-sd-lines");
+ data->mi2s_capture_sd_mode[id] =
+ of_lpass_cpu_parse_sd_lines(dev, node,
+ "qcom,capture-sd-lines");
+ }
+ }
+}
+
+static int of_lpass_cdc_dma_clks_parse(struct device *dev,
+ struct lpass_data *data)
+{
+ data->codec_mem0 = devm_clk_get(dev, "audio_cc_codec_mem0");
+ if (IS_ERR(data->codec_mem0))
+ return PTR_ERR(data->codec_mem0);
+
+ data->codec_mem1 = devm_clk_get(dev, "audio_cc_codec_mem1");
+ if (IS_ERR(data->codec_mem1))
+ return PTR_ERR(data->codec_mem1);
+
+ data->codec_mem2 = devm_clk_get(dev, "audio_cc_codec_mem2");
+ if (IS_ERR(data->codec_mem2))
+ return PTR_ERR(data->codec_mem2);
+
+ data->va_mem0 = devm_clk_get(dev, "aon_cc_va_mem0");
+ if (IS_ERR(data->va_mem0))
+ return PTR_ERR(data->va_mem0);
+
+ return 0;
+}
+
+int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
+{
+ struct lpass_data *drvdata;
+ struct device_node *dsp_of_node;
+ struct resource *res;
+ struct lpass_variant *variant;
+ struct device *dev = &pdev->dev;
+ const struct of_device_id *match;
+ int ret, i, dai_id;
+
+ dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
+ if (dsp_of_node) {
+ dev_err(dev, "DSP exists and holds audio resources\n");
+ of_node_put(dsp_of_node);
+ return -EBUSY;
+ }
+
+ drvdata = devm_kzalloc(dev, sizeof(struct lpass_data), GFP_KERNEL);
+ if (!drvdata)
+ return -ENOMEM;
+ platform_set_drvdata(pdev, drvdata);
+
+ match = of_match_device(dev->driver->of_match_table, dev);
+ if (!match || !match->data)
+ return -EINVAL;
+
+ if (of_device_is_compatible(dev->of_node, "qcom,lpass-cpu-apq8016")) {
+ dev_warn(dev, "%s compatible is deprecated\n",
+ match->compatible);
+ }
+
+ drvdata->variant = (struct lpass_variant *)match->data;
+ variant = drvdata->variant;
+
+ of_lpass_cpu_parse_dai_data(dev, drvdata);
+
+ if (drvdata->codec_dma_enable) {
+ drvdata->rxtx_lpaif =
+ devm_platform_ioremap_resource_byname(pdev, "lpass-rxtx-lpaif");
+ if (IS_ERR(drvdata->rxtx_lpaif))
+ return PTR_ERR(drvdata->rxtx_lpaif);
+
+ drvdata->va_lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-va-lpaif");
+ if (IS_ERR(drvdata->va_lpaif))
+ return PTR_ERR(drvdata->va_lpaif);
+
+ lpass_rxtx_regmap_config.max_register = LPAIF_CDC_RXTX_WRDMAPER_REG(variant,
+ variant->rxtx_wrdma_channels +
+ variant->rxtx_wrdma_channel_start, LPASS_CDC_DMA_TX3);
+
+ drvdata->rxtx_lpaif_map = devm_regmap_init_mmio(dev, drvdata->rxtx_lpaif,
+ &lpass_rxtx_regmap_config);
+ if (IS_ERR(drvdata->rxtx_lpaif_map))
+ return PTR_ERR(drvdata->rxtx_lpaif_map);
+
+ lpass_va_regmap_config.max_register = LPAIF_CDC_VA_WRDMAPER_REG(variant,
+ variant->va_wrdma_channels +
+ variant->va_wrdma_channel_start, LPASS_CDC_DMA_VA_TX0);
+
+ drvdata->va_lpaif_map = devm_regmap_init_mmio(dev, drvdata->va_lpaif,
+ &lpass_va_regmap_config);
+ if (IS_ERR(drvdata->va_lpaif_map))
+ return PTR_ERR(drvdata->va_lpaif_map);
+
+ ret = of_lpass_cdc_dma_clks_parse(dev, drvdata);
+ if (ret) {
+ dev_err(dev, "failed to get cdc dma clocks %d\n", ret);
+ return ret;
+ }
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-rxtx-cdc-dma-lpm");
+ drvdata->rxtx_cdc_dma_lpm_buf = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-va-cdc-dma-lpm");
+ drvdata->va_cdc_dma_lpm_buf = res->start;
+ }
+
+ drvdata->lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-lpaif");
+ if (IS_ERR(drvdata->lpaif))
+ return PTR_ERR(drvdata->lpaif);
+
+ lpass_cpu_regmap_config.max_register = LPAIF_WRDMAPER_REG(variant,
+ variant->wrdma_channels +
+ variant->wrdma_channel_start);
+
+ drvdata->lpaif_map = devm_regmap_init_mmio(dev, drvdata->lpaif,
+ &lpass_cpu_regmap_config);
+ if (IS_ERR(drvdata->lpaif_map)) {
+ dev_err(dev, "error initializing regmap: %ld\n",
+ PTR_ERR(drvdata->lpaif_map));
+ return PTR_ERR(drvdata->lpaif_map);
+ }
+
+ if (drvdata->hdmi_port_enable) {
+ drvdata->hdmiif = devm_platform_ioremap_resource_byname(pdev, "lpass-hdmiif");
+ if (IS_ERR(drvdata->hdmiif))
+ return PTR_ERR(drvdata->hdmiif);
+
+ lpass_hdmi_regmap_config.max_register = LPAIF_HDMI_RDMAPER_REG(variant,
+ variant->hdmi_rdma_channels - 1);
+ drvdata->hdmiif_map = devm_regmap_init_mmio(dev, drvdata->hdmiif,
+ &lpass_hdmi_regmap_config);
+ if (IS_ERR(drvdata->hdmiif_map)) {
+ dev_err(dev, "error initializing regmap: %ld\n",
+ PTR_ERR(drvdata->hdmiif_map));
+ return PTR_ERR(drvdata->hdmiif_map);
+ }
+ }
+
+ if (variant->init) {
+ ret = variant->init(pdev);
+ if (ret) {
+ dev_err(dev, "error initializing variant: %d\n", ret);
+ return ret;
+ }
+ }
+
+ for (i = 0; i < variant->num_dai; i++) {
+ dai_id = variant->dai_driver[i].id;
+ if (dai_id == LPASS_DP_RX || is_cdc_dma_port(dai_id))
+ continue;
+
+ drvdata->mi2s_osr_clk[dai_id] = devm_clk_get_optional(dev,
+ variant->dai_osr_clk_names[i]);
+ drvdata->mi2s_bit_clk[dai_id] = devm_clk_get(dev,
+ variant->dai_bit_clk_names[i]);
+ if (IS_ERR(drvdata->mi2s_bit_clk[dai_id])) {
+ dev_err(dev,
+ "error getting %s: %ld\n",
+ variant->dai_bit_clk_names[i],
+ PTR_ERR(drvdata->mi2s_bit_clk[dai_id]));
+ return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
+ }
+ if (drvdata->mi2s_playback_sd_mode[dai_id] ==
+ LPAIF_I2SCTL_MODE_QUAD01) {
+ variant->dai_driver[dai_id].playback.channels_min = 4;
+ variant->dai_driver[dai_id].playback.channels_max = 4;
+ }
+ }
+
+ /* Allocation for i2sctl regmap fields */
+ drvdata->i2sctl = devm_kzalloc(&pdev->dev, sizeof(struct lpaif_i2sctl),
+ GFP_KERNEL);
+
+ /* Initialize bitfields for dai I2SCTL register */
+ ret = lpass_cpu_init_i2sctl_bitfields(dev, drvdata->i2sctl,
+ drvdata->lpaif_map);
+ if (ret) {
+ dev_err(dev, "error init i2sctl field: %d\n", ret);
+ return ret;
+ }
+
+ if (drvdata->hdmi_port_enable) {
+ ret = lpass_hdmi_init_bitfields(dev, drvdata->hdmiif_map);
+ if (ret) {
+ dev_err(dev, "%s error hdmi init failed\n", __func__);
+ return ret;
+ }
+ }
+ ret = devm_snd_soc_register_component(dev,
+ &lpass_cpu_comp_driver,
+ variant->dai_driver,
+ variant->num_dai);
+ if (ret) {
+ dev_err(dev, "error registering cpu driver: %d\n", ret);
+ goto err;
+ }
+
+ ret = asoc_qcom_lpass_platform_register(pdev);
+ if (ret) {
+ dev_err(dev, "error registering platform driver: %d\n", ret);
+ goto err;
+ }
+
+err:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe);
+
+int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
+{
+ struct lpass_data *drvdata = platform_get_drvdata(pdev);
+
+ if (drvdata->variant->exit)
+ drvdata->variant->exit(pdev);
+
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove);
+
+void asoc_qcom_lpass_cpu_platform_shutdown(struct platform_device *pdev)
+{
+ struct lpass_data *drvdata = platform_get_drvdata(pdev);
+
+ if (drvdata->variant->exit)
+ drvdata->variant->exit(pdev);
+
+}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_shutdown);
+
+MODULE_DESCRIPTION("QTi LPASS CPU Driver");
+MODULE_LICENSE("GPL v2");