[PATCH 03/12] add a mc13783 codec driver
Sascha Hauer
s.hauer at pengutronix.de
Thu Nov 19 10:48:17 EST 2009
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
sound/soc/codecs/Kconfig | 3 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/mc13783.c | 739 ++++++++++++++++++++++++++++++++++++++++++++
sound/soc/codecs/mc13783.h | 29 ++
4 files changed, 773 insertions(+), 0 deletions(-)
create mode 100644 sound/soc/codecs/mc13783.c
create mode 100644 sound/soc/codecs/mc13783.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 0edca93..bed402e 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -114,6 +114,9 @@ config SND_SOC_CX20442
config SND_SOC_L3
tristate
+config SND_SOC_MC13783
+ tristate
+
config SND_SOC_PCM3008
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index fb4af28..d524e90 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -9,6 +9,7 @@ snd-soc-ak4642-objs := ak4642.o
snd-soc-cs4270-objs := cs4270.o
snd-soc-cx20442-objs := cx20442.o
snd-soc-l3-objs := l3.o
+snd-soc-mc13783-objs := mc13783.o
snd-soc-pcm3008-objs := pcm3008.o
snd-soc-spdif-objs := spdif_transciever.o
snd-soc-ssm2602-objs := ssm2602.o
@@ -59,6 +60,7 @@ obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o
+obj-$(CONFIG_SND_SOC_MC13783) += snd-soc-mc13783.o
obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o
obj-$(CONFIG_SND_SOC_SPDIF) += snd-soc-spdif.o
obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
new file mode 100644
index 0000000..278ee65
--- /dev/null
+++ b/sound/soc/codecs/mc13783.c
@@ -0,0 +1,739 @@
+/*
+ * Copyright 2008 Juergen Beisert, kernel at pengutronix.de
+ * Copyright 2009 Sascha Hauer, s.hauer at pengutronix.de
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include <linux/device.h>
+#include <linux/mfd/mc13783-private.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/soc-dapm.h>
+
+#include "mc13783.h"
+
+#define PMIC_AUDIO_RX_0 36
+#define PMIC_AUDIO_RX_1 37
+#define PMIC_AUDIO_TX 38
+#define PMIC_SSI_NETWORK 39
+#define PMIC_AUDIO_CODEC 40
+#define PMIC_AUDIO_DAC 41
+
+#define SSI_NETWORK_CDCTXRXSLOT(x) (((x) & 0x3) << 2)
+#define SSI_NETWORK_CDCTXSECSLOT(x) (((x) & 0x3) << 4)
+#define SSI_NETWORK_CDCRXSECSLOT(x) (((x) & 0x3) << 6)
+#define SSI_NETWORK_CDCRXSECGAIN(x) (((x) & 0x3) << 8)
+#define SSI_NETWORK_CDCSUMGAIN(x) (1 << 10)
+#define SSI_NETWORK_CDCFSDLY(x) (1 << 11)
+#define SSI_NETWORK_STDCSLOT(x) (((x) & 0x3) << 12)
+#define SSI_NETWORK_STDCRXSLOT(x) (((x) & 0x3) << 14)
+#define SSI_NETWORK_STDCRXSECSLOT(x) (((x) & 0x3) << 16)
+#define SSI_NETWORK_STDCRXSECGAIN(x) (((x) & 0x3) << 18)
+#define SSI_NETWORK_STDCSUMGAIN (1 << 20)
+
+#define STEREO_DAC_STD_SSI_SEL (1 << 0)
+#define STEREO_DAC_STD_CLK_SEL (1 << 1)
+#define STEREO_DAC_STD_CSM (1 << 2)
+#define STEREO_DAC_STD_BCL_INV (1 << 3)
+#define STEREO_DAC_STD_CFS_INV (1 << 4)
+#define STEREO_DAC_STD_CFS(x) (((x) & 0x3) << 5)
+#define STEREO_DAC_STD_CLK(x) (((x) & 0x7) << 7)
+#define STEREO_DAC_STD_CFS_DLY_B (1 << 10)
+#define STEREO_DAC_STD_C_EN (1 << 11)
+#define STEREO_DAC_STD_C_CLK_EN (1 << 12)
+#define STEREO_DAC_STD_C_RESET (1 << 15)
+#define STEREO_DAC_SPDIF (1 << 16)
+#define STEREO_DAC_SR(x) (((x) & 0xf) << 17)
+
+static struct mc13783 *mc13783;
+
+struct mc13783_priv {
+ struct snd_soc_codec codec;
+
+ u32 reg_cache[42];
+};
+
+static unsigned int mc13783_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct mc13783_priv *priv = codec->private_data;
+
+ return priv->reg_cache[reg];
+}
+
+static int mc13783_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ struct mc13783_priv *priv = codec->private_data;
+
+ priv->reg_cache[reg] = value;
+
+ mc13783_reg_write(mc13783, reg, value);
+
+ return 0;
+}
+
+/* sample rates supported by PMIC for stereo playback operations on StDac. */
+static unsigned int mc13783_rates[] = {
+ 8000, 11025, 12000, 16000,
+ 22050, 24000, 32000,44100,
+ 48000, 64000, 96000
+};
+
+static int mc13783_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ 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;
+ unsigned int rate = params_rate(params);
+ int i;
+ unsigned int reg;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
+ if (rate == mc13783_rates[i]) {
+ reg = mc13783_read(codec, PMIC_AUDIO_DAC);
+ /* setup the clock speed */
+ reg &= ~(0xf << 17);
+ reg |= i << 17;
+ mc13783_write(codec, PMIC_AUDIO_DAC, reg);
+ return 0;
+ }
+ }
+ } else {
+ reg = mc13783_read(codec, PMIC_AUDIO_CODEC);
+
+ if (rate == 8000)
+ reg &= ~(1 << 10);
+ else
+ reg |= (1 << 10);
+
+ mc13783_write(codec, PMIC_AUDIO_CODEC, reg);
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ unsigned int reg;
+
+ if (dai->id == 1)
+ reg = mc13783_read(codec, PMIC_AUDIO_DAC);
+ else
+ reg = mc13783_read(codec, PMIC_AUDIO_CODEC);
+
+ reg &= ~STEREO_DAC_STD_CFS(3);
+ reg &= ~STEREO_DAC_STD_BCL_INV;
+ reg &= ~STEREO_DAC_STD_CFS_INV;
+ reg &= ~STEREO_DAC_STD_CSM;
+ reg &= ~STEREO_DAC_STD_C_CLK_EN;
+
+ /* DAI mode */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ reg |= STEREO_DAC_STD_CFS(2);
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ reg |= STEREO_DAC_STD_CFS(1);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* DAI clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ reg |= STEREO_DAC_STD_BCL_INV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ reg |= STEREO_DAC_STD_BCL_INV;
+ reg |= STEREO_DAC_STD_CFS_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ reg |= STEREO_DAC_STD_CFS_INV;
+ break;
+ }
+
+ /* DAI clock master masks */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ reg |= STEREO_DAC_STD_C_CLK_EN;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ reg |= STEREO_DAC_STD_CSM;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ case SND_SOC_DAIFMT_CBS_CFM:
+ return -EINVAL;
+ }
+
+ reg |= STEREO_DAC_STD_C_EN; /* DAC power up */
+ reg |= STEREO_DAC_STD_C_RESET; /* reset filter */
+
+ if (dai->id == 1)
+ mc13783_write(codec, PMIC_AUDIO_DAC, reg);
+ else
+ mc13783_write(codec, PMIC_AUDIO_CODEC, reg);
+
+ return 0;
+}
+
+static int mc13783_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int clk;
+ unsigned int reg;
+
+ if (dai->id == 1)
+ reg = mc13783_read(codec, PMIC_AUDIO_DAC);
+ else
+ reg = mc13783_read(codec, PMIC_AUDIO_CODEC);
+
+ reg &= ~STEREO_DAC_STD_CLK(0x7);
+ reg &= ~STEREO_DAC_STD_CLK_SEL;
+
+ switch (freq) {
+ case 13000000:
+ clk = 0;
+ break;
+ case 15360000:
+ clk = 1;
+ break;
+ case 16800000:
+ clk = 2;
+ break;
+ case 26000000:
+ clk = 4;
+ break;
+ case 12000000:
+ clk = 5;
+ break;
+ case 3686400:
+ clk = 6;
+ break;
+ case 33600000:
+ clk = 7;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (clk_id == MC13783_CLK_CLIB)
+ reg |= STEREO_DAC_STD_CLK_SEL;
+
+ reg |= STEREO_DAC_STD_CLK(clk);
+
+ if (dai->id == 1)
+ mc13783_write(codec, PMIC_AUDIO_DAC, reg);
+ else
+ mc13783_write(codec, PMIC_AUDIO_CODEC, reg);
+
+ return 0;
+}
+
+static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ unsigned int reg;
+
+ if (slots != 4)
+ return -EINVAL;
+
+ reg = mc13783_read(codec, PMIC_SSI_NETWORK);
+
+ reg &= ~(0xfff << 0);
+ reg |= (0x00 << 2); /* primary timeslot RX/TX(?) is 0 */
+ reg |= (0x01 << 4); /* secondary timeslot TX is 1 */
+ reg |= (0x01 << 6); /* secondary timeslot RX is 1 */
+
+ mc13783_write(codec, PMIC_SSI_NETWORK, reg);
+
+ return 0;
+}
+
+static int mc13783_asp_val;
+
+static int mc13783_get_asp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = mc13783_asp_val;
+ return 0;
+}
+
+static int mc13783_put_asp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int reg;
+
+ mc13783_asp_val = ucontrol->value.integer.value[0];
+
+ reg = mc13783_read(codec, PMIC_AUDIO_RX_0);
+
+ reg &= ~(0x3 << 3);
+ reg |= mc13783_asp_val << 3;
+
+ mc13783_write(codec, PMIC_AUDIO_RX_0, reg);
+
+ return 0;
+}
+
+static int mc13783_alsp_val;
+
+static int mc13783_get_alsp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = mc13783_alsp_val;
+ return 0;
+}
+
+static int mc13783_put_alsp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int reg;
+ mc13783_alsp_val = ucontrol->value.integer.value[0];
+
+ reg = mc13783_read(codec, PMIC_AUDIO_RX_0);
+
+ reg &= ~((1 << 5) | (1 << 7));
+
+ if (mc13783_alsp_val)
+ reg |= 1 << 5;
+
+ if (mc13783_alsp_val == 2)
+ reg |= 1 << 7;
+
+ mc13783_write(codec, PMIC_AUDIO_RX_0, reg);
+
+ return 0;
+}
+
+static int mc13783_pcm_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int val;
+
+ val = mc13783_read(codec, PMIC_AUDIO_RX_0);
+ ucontrol->value.enumerated.item[0] = (val >> 22) & 1;
+
+ return 0;
+}
+
+static int mc13783_pcm_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int r36, r37;
+
+ r36 = mc13783_read(codec, PMIC_AUDIO_RX_0);
+ r37 = mc13783_read(codec, PMIC_AUDIO_RX_1);
+
+ r36 &= ~(1 << 22);
+ r37 &= ~(1 << 5);
+
+ if (ucontrol->value.enumerated.item[0]) {
+ r36 |= (1 << 22);
+ r37 |= (1 << 5);
+ } else {
+ r36 &= ~(1 << 22);
+ r37 &= ~(1 << 5);
+ }
+
+ mc13783_write(codec, PMIC_AUDIO_RX_0, r36);
+ mc13783_write(codec, PMIC_AUDIO_RX_1, r37);
+
+ return 0;
+}
+
+static int mc13783_linein_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int val;
+
+ val = mc13783_read(codec, PMIC_AUDIO_RX_0);
+ ucontrol->value.enumerated.item[0] = (val >> 23) & 1;
+
+ return 0;
+}
+
+static int mc13783_linein_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int r36, r37;
+
+ r36 = mc13783_read(codec, PMIC_AUDIO_RX_0);
+ r37 = mc13783_read(codec, PMIC_AUDIO_RX_1);
+
+ r36 &= ~(1 << 23);
+ r37 &= ~(1 << 10);
+
+ if (ucontrol->value.enumerated.item[0]) {
+ r36 |= (1 << 23);
+ r37 |= (1 << 10);
+ } else {
+ r36 &= ~(1 << 23);
+ r37 &= ~(1 << 10);
+ }
+
+ mc13783_write(codec, PMIC_AUDIO_RX_0, r36);
+ mc13783_write(codec, PMIC_AUDIO_RX_1, r37);
+
+ return 0;
+}
+
+static int mc13783_capure_cache;
+
+static int mc13783_get_capture(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.enumerated.item[0] = mc13783_capure_cache;
+ return 0;
+}
+
+#define AMC1REN (1 << 5)
+#define AMC2EN (1 << 9)
+#define ATXINEN (1 << 11)
+#define RXINREC (1 << 13)
+#define AMC1LEN (1 << 7)
+
+static int mc13783_put_capture(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int r38, change;
+
+ r38 = mc13783_read(codec, PMIC_AUDIO_TX);
+
+ change = (mc13783_capure_cache != ucontrol->value.enumerated.item[0]);
+ mc13783_capure_cache = ucontrol->value.enumerated.item[0];
+ r38 &= ~(AMC1REN | AMC2EN | ATXINEN | RXINREC | AMC1LEN);
+
+ switch (mc13783_capure_cache) {
+ case 0:
+ break;
+ case 1:
+ r38 |= RXINREC;
+ break;
+ case 2:
+ r38 |= AMC1REN | AMC1LEN;
+ break;
+ case 3:
+ r38 |= AMC1REN;
+ break;
+ case 4:
+ r38 |= AMC2EN;
+ break;
+ case 5:
+ r38 |= AMC1LEN | AMC2EN;
+ break;
+ case 6:
+ r38 |= ATXINEN;
+ break;
+ case 7:
+ r38 |= AMC1LEN | ATXINEN;
+ break;
+ case 8:
+ r38 |= AMC1LEN | RXINREC;
+ break;
+ case 9:
+ r38 |= AMC1LEN;
+ break;
+ default:
+ break;
+ }
+
+ mc13783_write(codec, PMIC_AUDIO_TX, r38);
+
+ return change;
+}
+
+static const char *mc13783_asp[] = {"Off", "Codec", "Right"};
+static const char *mc13783_alsp[] = {"Off", "Codec", "Right"};
+
+static const char *mc13783_ahs[] = {"Codec", "Mixer"};
+
+static const char *mc13783_arxout[] = {"Codec", "Mixer"};
+
+static const char *mc13783_capture[] = {"off/off", "rxinl/rxinr",
+ "mc1lin/mc1rin", "off/mc1rin", "off/mc2in", "mc1lin/mc2in",
+ "off/txin", "mc1lin/txin", "mc1lin/rxinr", "mc1lin/off"};
+
+static const char *mc13783_3d_mixer[] = {"Stereo", "Phase Mix", "Mono", "Mono Mix"};
+
+static const struct soc_enum mc13783_enum[] = {
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mc13783_asp), mc13783_asp),
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mc13783_alsp), mc13783_alsp),
+
+ SOC_ENUM_SINGLE(PMIC_AUDIO_RX_0, 11, ARRAY_SIZE(mc13783_ahs), mc13783_ahs),
+ SOC_ENUM_SINGLE(PMIC_AUDIO_RX_0, 17, ARRAY_SIZE(mc13783_arxout), mc13783_arxout),
+
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mc13783_capture), mc13783_capture),
+ SOC_ENUM_SINGLE(PMIC_AUDIO_RX_1, 16, ARRAY_SIZE(mc13783_3d_mixer), mc13783_3d_mixer),
+};
+
+static struct snd_kcontrol_new mc13783_control_list[] = {
+ /* Output Routing */
+ SOC_ENUM_EXT("Asp Source", mc13783_enum[0], mc13783_get_asp, mc13783_put_asp),
+ SOC_ENUM_EXT("Alsp Source", mc13783_enum[1], mc13783_get_alsp, mc13783_put_alsp),
+ SOC_ENUM("Ahs Source", mc13783_enum[2]),
+ SOC_SINGLE("Ahsr enable", PMIC_AUDIO_RX_0, 9, 1, 0),
+ SOC_SINGLE("Ahsl enable", PMIC_AUDIO_RX_0, 10, 1, 0),
+ SOC_ENUM("Arxout Source", mc13783_enum[3]),
+ SOC_SINGLE("ArxoutR enable", PMIC_AUDIO_RX_0, 16, 1, 0),
+ SOC_SINGLE("ArxoutL enable", PMIC_AUDIO_RX_0, 15, 1, 0),
+ SOC_SINGLE_EXT("PCM Playback Switch", 0, 0, 1, 0, mc13783_pcm_get, mc13783_pcm_put),
+ SOC_SINGLE("PCM Playback Volume", PMIC_AUDIO_RX_1, 6, 15, 0),
+ SOC_SINGLE_EXT("Line in Switch", 0, 0, 1, 0, mc13783_linein_get, mc13783_linein_put),
+ SOC_SINGLE("Line in Volume", PMIC_AUDIO_RX_1, 12, 15, 0),
+ SOC_ENUM_EXT("Capture Source", mc13783_enum[4], mc13783_get_capture, mc13783_put_capture),
+ SOC_DOUBLE("PCM Capture Volume", PMIC_AUDIO_TX, 19, 14, 31, 0),
+ SOC_ENUM("3D Control - Switch", mc13783_enum[5]),
+};
+
+static struct snd_soc_codec *mc13783_codec;
+
+static int mc13783_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = mc13783_codec;
+ struct mc13783_priv *priv = codec->private_data;
+ int i, ret = 0;
+
+ if (mc13783_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
+
+ /* these are the reset values */
+ priv->reg_cache[PMIC_AUDIO_RX_0] = 0x001000;
+ priv->reg_cache[PMIC_AUDIO_RX_1] = 0x00d35A;
+ priv->reg_cache[PMIC_AUDIO_TX] = 0x420000;
+ priv->reg_cache[PMIC_SSI_NETWORK] = 0x013060;
+ priv->reg_cache[PMIC_AUDIO_CODEC] = 0x180027;
+ priv->reg_cache[PMIC_AUDIO_DAC] = 0x0e0004;
+
+ /* VAUDIOON -> supply audio part, BIAS enable */
+ priv->reg_cache[PMIC_AUDIO_RX_0] |= 0x3;
+
+ for (i = 36; i < 42; i++)
+ mc13783_write(codec, i, priv->reg_cache[i]);
+
+ socdev->card->codec = mc13783_codec;
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
+ goto pcm_err;
+ }
+
+ snd_soc_add_controls(codec, mc13783_control_list,
+ ARRAY_SIZE(mc13783_control_list));
+ ret = snd_soc_init_card(socdev);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to register card: %d\n", ret);
+ goto card_err;
+ }
+
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ return ret;
+}
+
+static int mc13783_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = mc13783_codec;
+ unsigned int reg;
+
+ reg = mc13783_read(codec, PMIC_AUDIO_RX_0);
+
+ /* VAUDIOON -> switch off audio part, BIAS disable */
+ reg &= ~0x3;
+
+ mc13783_write(codec, PMIC_AUDIO_RX_0, reg);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+ return 0;
+}
+
+#define MC13783_RATES_PLAYBACK (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
+
+#define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_ops mc13783_ops_dac = {
+ .hw_params = mc13783_pcm_hw_params,
+ .set_fmt = mc13783_set_fmt,
+ .set_sysclk = mc13783_set_sysclk,
+};
+
+static struct snd_soc_dai_ops mc13783_ops_voice_codec = {
+ .hw_params = mc13783_pcm_hw_params,
+ .set_fmt = mc13783_set_fmt,
+ .set_sysclk = mc13783_set_sysclk,
+ .set_tdm_slot = mc13783_set_tdm_slot_codec,
+};
+
+struct snd_soc_dai mc13783_dai[] = {
+ {
+ .name = "MC13783 Playback",
+ .id = 1,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MC13783_RATES_PLAYBACK,
+ .formats = MC13783_FORMATS,
+ },
+ .ops = &mc13783_ops_dac,
+ }, {
+ .name = "MC13783 Capture",
+ .id = 2,
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MC13783_RATES_RECORD,
+ .formats = MC13783_FORMATS,
+ },
+ .ops = &mc13783_ops_voice_codec,
+ },
+};
+EXPORT_SYMBOL_GPL(mc13783_dai);
+
+struct snd_soc_codec_device soc_codec_dev_mc13783 = {
+ .probe = mc13783_probe,
+ .remove = mc13783_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_mc13783);
+
+/*
+ * OK, this stinks. We currently only can support one MC13783.
+ * Lets take it as an intermediate to turn this stuff into SoC
+ * Audio.
+ */
+static int mc13783_codec_probe(struct platform_device *pdev)
+{
+ struct mc13783_priv *priv;
+ struct snd_soc_codec *codec;
+ int ret;
+
+ printk(KERN_INFO "MC13783 Audio Codec\n");
+
+ if (mc13783)
+ return -EBUSY;
+
+ mc13783 = dev_get_drvdata(pdev->dev.parent);
+
+ priv = kzalloc(sizeof(struct mc13783_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ codec = &priv->codec;
+ codec->private_data = priv;
+ mc13783_codec = codec;
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ codec->name = "mc13783";
+ codec->owner = THIS_MODULE;
+ codec->read = mc13783_read;
+ codec->write = mc13783_write;
+ codec->dai = mc13783_dai;
+ codec->num_dai = ARRAY_SIZE(mc13783_dai);
+ codec->control_data = priv;
+ codec->dev = &pdev->dev;
+
+ mc13783_dai[0].dev = codec->dev;
+ mc13783_dai[1].dev = codec->dev;
+
+ ret = snd_soc_register_dais(mc13783_dai, ARRAY_SIZE(mc13783_dai));
+ if (ret)
+ goto out;
+
+ ret = snd_soc_register_codec(codec);
+ if (ret)
+ goto out;
+
+ return 0;
+out:
+ printk("register codec failed with %d\n", ret);
+ kfree(priv);
+ return ret;
+}
+
+static int mc13783_codec_remove(struct platform_device *pdev)
+{
+ mc13783 = NULL;
+
+ return 0;
+}
+
+static struct platform_driver mc13783_codec_driver = {
+ .driver = {
+ .name = "mc13783-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = mc13783_codec_probe,
+ .remove = __devexit_p(mc13783_codec_remove),
+};
+
+static __init int mc13783_init(void)
+{
+ return platform_driver_register(&mc13783_codec_driver);
+}
+
+static __exit void mc13783_exit(void)
+{
+ platform_driver_unregister(&mc13783_codec_driver);
+}
+
+module_init(mc13783_init);
+module_exit(mc13783_exit);
+
+MODULE_DESCRIPTION("ASoC MC13783 driver");
+MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer at pengutronix.de>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/mc13783.h b/sound/soc/codecs/mc13783.h
new file mode 100644
index 0000000..f0da0ee
--- /dev/null
+++ b/sound/soc/codecs/mc13783.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2008 Juergen Beisert, kernel at pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef MC13783_MIXER_H
+#define MC13783_MIXER_H
+
+extern int mc13783_add_ctl(struct snd_card*, void *);
+
+extern struct snd_soc_dai mc13783_dai[];
+extern struct snd_soc_codec_device soc_codec_dev_mc13783;
+
+#define MC13783_CLK_CLIA 1
+#define MC13783_CLK_CLIB 2
+
+#endif /* MC13783_MIXER_H */
--
1.6.5.2
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