Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/sound/soc/codecs/timpani.c b/sound/soc/codecs/timpani.c
new file mode 100644
index 0000000..786b2d6
--- /dev/null
+++ b/sound/soc/codecs/timpani.c
@@ -0,0 +1,482 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/marimba.h>
+#include <linux/mfd/timpani-audio.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/soc-dapm.h>
+/* Debug purpose */
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <mach/mpp.h>
+/* End of debug purpose */
+
+#define ADIE_CODEC_MAX 2
+
+struct adie_codec_register {
+ u8 reg;
+ u8 mask;
+ u8 val;
+};
+
+static struct adie_codec_register dmic_on[] = {
+ {0x80, 0x05, 0x05},
+ {0x80, 0x05, 0x00},
+ {0x83, 0x0C, 0x00},
+ {0x8A, 0xF0, 0x30},
+ {0x86, 0xFF, 0xAC},
+ {0x87, 0xFF, 0xAC},
+ {0x8A, 0xF0, 0xF0},
+ {0x82, 0x1F, 0x1E},
+ {0x83, 0x0C, 0x0C},
+ {0x92, 0x3F, 0x21},
+ {0x94, 0x3F, 0x24},
+ {0xA3, 0x39, 0x01},
+ {0xA8, 0x0F, 0x00},
+ {0xAB, 0x3F, 0x00},
+ {0x86, 0xFF, 0x00},
+ {0x87, 0xFF, 0x00},
+ {0x8A, 0xF0, 0xC0},
+};
+
+static struct adie_codec_register dmic_off[] = {
+ {0x8A, 0xF0, 0xF0},
+ {0x83, 0x0C, 0x00},
+ {0x92, 0xFF, 0x00},
+ {0x94, 0xFF, 0x1B},
+};
+
+static struct adie_codec_register spk_on[] = {
+ {0x80, 0x02, 0x02},
+ {0x80, 0x02, 0x00},
+ {0x83, 0x03, 0x00},
+ {0x8A, 0x0F, 0x03},
+ {0xA3, 0x02, 0x02},
+ {0x84, 0xFF, 0x00},
+ {0x85, 0xFF, 0x00},
+ {0x8A, 0x0F, 0x0C},
+ {0x81, 0xFF, 0x0E},
+ {0x83, 0x03, 0x03},
+ {0x24, 0x6F, 0x6C},
+ {0xB7, 0x01, 0x01},
+ {0x31, 0x01, 0x01},
+ {0x32, 0xF8, 0x08},
+ {0x32, 0xF8, 0x48},
+ {0x32, 0xF8, 0xF8},
+ {0xE0, 0xFE, 0xAC},
+ {0xE1, 0xFE, 0xAC},
+ {0x3A, 0x24, 0x24},
+ {0xE0, 0xFE, 0x3C},
+ {0xE1, 0xFE, 0x3C},
+ {0xE0, 0xFE, 0x1C},
+ {0xE1, 0xFE, 0x1C},
+ {0xE0, 0xFE, 0x10},
+ {0xE1, 0xFE, 0x10},
+};
+
+static struct adie_codec_register spk_off[] = {
+ {0x8A, 0x0F, 0x0F},
+ {0xE0, 0xFE, 0x1C},
+ {0xE1, 0xFE, 0x1C},
+ {0xE0, 0xFE, 0x3C},
+ {0xE1, 0xFE, 0x3C},
+ {0xE0, 0xFC, 0xAC},
+ {0xE1, 0xFC, 0xAC},
+ {0x32, 0xF8, 0x00},
+ {0x31, 0x05, 0x00},
+ {0x3A, 0x24, 0x00},
+};
+
+static struct adie_codec_register spk_mute[] = {
+ {0x84, 0xFF, 0xAC},
+ {0x85, 0xFF, 0xAC},
+ {0x8A, 0x0F, 0x0C},
+};
+
+static struct adie_codec_register spk_unmute[] = {
+ {0x84, 0xFF, 0x00},
+ {0x85, 0xFF, 0x00},
+ {0x8A, 0x0F, 0x0C},
+};
+
+struct adie_codec_path {
+ int rate; /* sample rate of path */
+ u32 reg_owner;
+};
+
+struct timpani_drv_data { /* member undecided */
+ struct snd_soc_codec codec;
+ struct adie_codec_path path[ADIE_CODEC_MAX];
+ u32 ref_cnt;
+ struct marimba_codec_platform_data *codec_pdata;
+};
+
+static struct snd_soc_codec *timpani_codec;
+
+enum /* regaccess blk id */
+{
+ RA_BLOCK_RX1 = 0,
+ RA_BLOCK_RX2,
+ RA_BLOCK_TX1,
+ RA_BLOCK_TX2,
+ RA_BLOCK_LB,
+ RA_BLOCK_SHARED_RX_LB,
+ RA_BLOCK_SHARED_TX,
+ RA_BLOCK_TXFE1,
+ RA_BLOCK_TXFE2,
+ RA_BLOCK_PA_COMMON,
+ RA_BLOCK_PA_EAR,
+ RA_BLOCK_PA_HPH,
+ RA_BLOCK_PA_LINE,
+ RA_BLOCK_PA_AUX,
+ RA_BLOCK_ADC,
+ RA_BLOCK_DMIC,
+ RA_BLOCK_TX_I2S,
+ RA_BLOCK_DRV,
+ RA_BLOCK_TEST,
+ RA_BLOCK_RESERVED,
+ RA_BLOCK_NUM,
+};
+
+enum /* regaccess onwer ID */
+{
+ RA_OWNER_NONE = 0,
+ RA_OWNER_PATH_RX1,
+ RA_OWNER_PATH_RX2,
+ RA_OWNER_PATH_TX1,
+ RA_OWNER_PATH_TX2,
+ RA_OWNER_PATH_LB,
+ RA_OWNER_DRV,
+ RA_OWNER_NUM,
+};
+
+struct reg_acc_blk_cfg {
+ u8 valid_owners[RA_OWNER_NUM];
+};
+
+struct timpani_regaccess {
+ u8 reg_addr;
+ u8 blk_mask[RA_BLOCK_NUM];
+ u8 reg_mask;
+ u8 reg_default;
+};
+
+static unsigned int timpani_codec_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct marimba *pdrv = codec->control_data;
+ int rc;
+ u8 val;
+
+ rc = marimba_read(pdrv, reg, &val, 1);
+ if (IS_ERR_VALUE(rc)) {
+ pr_err("%s: fail to write reg %x\n", __func__, reg);
+ return 0;
+ }
+ return val;
+}
+
+static int timpani_codec_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ struct marimba *pdrv = codec->control_data;
+ int rc;
+
+ rc = marimba_write_bit_mask(pdrv, reg, (u8 *)&value, 1, 0xFF);
+ if (IS_ERR_VALUE(rc)) {
+ pr_err("%s: fail to write reg %x\n", __func__, reg);
+ return -EIO;
+ }
+ pr_debug("%s: write reg %x val %x\n", __func__, reg, value);
+ return 0;
+}
+
+static void timpani_codec_bring_up(struct snd_soc_codec *codec)
+{
+ struct timpani_drv_data *timpani = snd_soc_codec_get_drvdata(codec);
+ int rc;
+
+ if (timpani->codec_pdata &&
+ timpani->codec_pdata->marimba_codec_power) {
+ if (timpani->ref_cnt)
+ return;
+ /* Codec power up sequence */
+ rc = timpani->codec_pdata->marimba_codec_power(1);
+ if (rc)
+ pr_err("%s: could not power up timpani "
+ "codec\n", __func__);
+ else {
+ timpani_codec_write(codec, 0xFF, 0x08);
+ timpani_codec_write(codec, 0xFF, 0x0A);
+ timpani_codec_write(codec, 0xFF, 0x0E);
+ timpani_codec_write(codec, 0xFF, 0x07);
+ timpani_codec_write(codec, 0xFF, 0x17);
+ timpani_codec_write(codec, TIMPANI_A_MREF, 0x22);
+ msleep(15);
+ timpani->ref_cnt++;
+ }
+ }
+}
+
+static void timpani_codec_bring_down(struct snd_soc_codec *codec)
+{
+ struct timpani_drv_data *timpani = snd_soc_codec_get_drvdata(codec);
+ int rc;
+
+ if (timpani->codec_pdata &&
+ timpani->codec_pdata->marimba_codec_power) {
+ timpani->ref_cnt--;
+ if (timpani->ref_cnt >= 1)
+ return;
+ timpani_codec_write(codec, TIMPANI_A_MREF, TIMPANI_MREF_POR);
+ timpani_codec_write(codec, 0xFF, 0x07);
+ timpani_codec_write(codec, 0xFF, 0x06);
+ timpani_codec_write(codec, 0xFF, 0x0E);
+ timpani_codec_write(codec, 0xFF, 0x08);
+ rc = timpani->codec_pdata->marimba_codec_power(0);
+ if (rc)
+ pr_err("%s: could not power down timpani "
+ "codec\n", __func__);
+ }
+}
+
+static void timpani_dmic_config(struct snd_soc_codec *codec, int on)
+{
+ struct adie_codec_register *regs;
+ int regs_sz, i;
+
+ if (on) {
+ regs = dmic_on;
+ regs_sz = ARRAY_SIZE(dmic_on);
+ } else {
+ regs = dmic_off;
+ regs_sz = ARRAY_SIZE(dmic_off);
+ }
+
+ for (i = 0; i < regs_sz; i++)
+ timpani_codec_write(codec, regs[i].reg,
+ (regs[i].mask & regs[i].val));
+}
+
+static void timpani_spk_config(struct snd_soc_codec *codec, int on)
+{
+ struct adie_codec_register *regs;
+ int regs_sz, i;
+
+ if (on) {
+ regs = spk_on;
+ regs_sz = ARRAY_SIZE(spk_on);
+ } else {
+ regs = spk_off;
+ regs_sz = ARRAY_SIZE(spk_off);
+ }
+
+ for (i = 0; i < regs_sz; i++)
+ timpani_codec_write(codec, regs[i].reg,
+ (regs[i].mask & regs[i].val));
+}
+
+static int timpani_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ pr_info("%s()\n", __func__);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ pr_info("%s: playback\n", __func__);
+ timpani_codec_bring_up(codec);
+ timpani_spk_config(codec, 1);
+ } else {
+ pr_info("%s: Capture\n", __func__);
+ timpani_codec_bring_up(codec);
+ timpani_dmic_config(codec, 1);
+ }
+ return 0;
+}
+
+static void timpani_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ pr_info("%s()\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ timpani_codec_bring_down(codec);
+ timpani_spk_config(codec, 0);
+ } else {
+ timpani_codec_bring_down(codec);
+ timpani_dmic_config(codec, 0);
+ }
+ return;
+}
+
+int digital_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct adie_codec_register *regs;
+ int regs_sz, i;
+
+ if (mute) {
+ regs = spk_mute;
+ regs_sz = ARRAY_SIZE(spk_mute);
+ } else {
+ regs = spk_unmute;
+ regs_sz = ARRAY_SIZE(spk_unmute);
+ }
+
+ for (i = 0; i < regs_sz; i++) {
+ timpani_codec_write(codec, regs[i].reg,
+ (regs[i].mask & regs[i].val));
+ msleep(10);
+ }
+
+ return 0;
+}
+
+static struct snd_soc_dai_ops timpani_dai_ops = {
+ .startup = timpani_startup,
+ .shutdown = timpani_shutdown,
+};
+
+struct snd_soc_dai timpani_codec_dai[] = {
+ {
+ .name = "TIMPANI Rx",
+ .playback = {
+ .stream_name = "Handset Playback",
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rate_max = 96000,
+ .rate_min = 8000,
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .ops = &timpani_dai_ops,
+ },
+ {
+ .name = "TIMPANI Tx",
+ .capture = {
+ .stream_name = "Handset Capture",
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rate_max = 96000,
+ .rate_min = 8000,
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .ops = &timpani_dai_ops,
+ }
+};
+
+static int timpani_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ if (!timpani_codec) {
+ dev_err(&pdev->dev, "core driver not yet probed\n");
+ return -ENODEV;
+ }
+
+ socdev->card->codec = timpani_codec;
+ codec = timpani_codec;
+
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0)
+ dev_err(codec->dev, "failed to create pcms\n");
+ return ret;
+}
+
+/* power down chip */
+static int timpani_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+
+ snd_soc_free_pcms(socdev);
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_timpani = {
+ .probe = timpani_soc_probe,
+ .remove = timpani_soc_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_timpani);
+
+static int timpani_codec_probe(struct platform_device *pdev)
+{
+ struct snd_soc_codec *codec;
+ struct timpani_drv_data *priv;
+
+ pr_info("%s()\n", __func__);
+ priv = kzalloc(sizeof(struct timpani_drv_data), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ codec = &priv->codec;
+ snd_soc_codec_set_drvdata(codec, priv);
+ priv->codec_pdata = pdev->dev.platform_data;
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ codec->name = "TIMPANI";
+ codec->owner = THIS_MODULE;
+ codec->read = timpani_codec_read;
+ codec->write = timpani_codec_write;
+ codec->dai = timpani_codec_dai;
+ codec->num_dai = ARRAY_SIZE(timpani_codec_dai);
+ codec->control_data = platform_get_drvdata(pdev);
+ timpani_codec = codec;
+
+ snd_soc_register_dais(timpani_codec_dai, ARRAY_SIZE(timpani_codec_dai));
+ snd_soc_register_codec(codec);
+
+ return 0;
+}
+
+static struct platform_driver timpani_codec_driver = {
+ .probe = timpani_codec_probe,
+ .driver = {
+ .name = "timpani_codec",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init timpani_codec_init(void)
+{
+ return platform_driver_register(&timpani_codec_driver);
+}
+
+static void __exit timpani_codec_exit(void)
+{
+ platform_driver_unregister(&timpani_codec_driver);
+}
+
+module_init(timpani_codec_init);
+module_exit(timpani_codec_exit);
+
+MODULE_DESCRIPTION("Timpani codec driver");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL v2");