1155 lines
31 KiB
Diff
1155 lines
31 KiB
Diff
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
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index 3903ab7..468536d 100644
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -44,3 +44,7 @@ config SND_SOC_CS4270_VD33_ERRATA
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config SND_SOC_TLV320AIC3X
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tristate
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depends on SND_SOC && I2C
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+
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+config SND_SOC_TWL4030
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+ tristate
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+ depends on SND_SOC && I2C
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diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
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index 4e1314c..d2c0b12 100644
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--- a/sound/soc/codecs/Makefile
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+++ b/sound/soc/codecs/Makefile
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@@ -6,6 +6,7 @@ snd-soc-wm9712-objs := wm9712.o
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snd-soc-wm9713-objs := wm9713.o
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snd-soc-cs4270-objs := cs4270.o
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snd-soc-tlv320aic3x-objs := tlv320aic3x.o
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+snd-soc-twl4030-objs := twl4030.o
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obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
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obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
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@@ -15,3 +16,4 @@ obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
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obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
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obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
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obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
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+obj-$(CONFIG_SND_SOC_TWL4030) += snd-soc-twl4030.o
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diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
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new file mode 100644
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index 0000000..eb8370c
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--- /dev/null
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+++ b/sound/soc/codecs/twl4030.c
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@@ -0,0 +1,625 @@
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+/*
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+ * ALSA SoC TWL4030 codec driver
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+ *
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+ * Author: Steve Sakoman, <steve@sakoman.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/moduleparam.h>
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+#include <linux/init.h>
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+#include <linux/delay.h>
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+#include <linux/pm.h>
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+#include <linux/i2c.h>
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+#include <linux/platform_device.h>
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+#include <linux/i2c/twl4030.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 <sound/soc-dapm.h>
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+#include <sound/initval.h>
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+
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+#include "twl4030.h"
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+
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+/*
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+ * twl4030 register cache & default register settings
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+ */
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+static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
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+ 0x00, // this register not used
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+ 0x93, // REG_CODEC_MODE (0x1)
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+ 0xc3, // REG_OPTION (0x2)
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+ 0x00, // REG_UNKNOWN (0x3)
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+ 0x00, // REG_MICBIAS_CTL (0x4)
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+ 0x34, // REG_ANAMICL (0x5)
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+ 0x14, // REG_ANAMICR (0x6)
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+ 0x0a, // REG_AVADC_CTL (0x7)
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+ 0x00, // REG_ADCMICSEL (0x8)
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+ 0x00, // REG_DIGMIXING (0x9)
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+ 0x0c, // REG_ATXL1PGA (0xA)
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+ 0x0c, // REG_ATXR1PGA (0xB)
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+ 0x00, // REG_AVTXL2PGA (0xC)
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+ 0x00, // REG_AVTXR2PGA (0xD)
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+ 0x01, // REG_AUDIO_IF (0xE)
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+ 0x00, // REG_VOICE_IF (0xF)
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+ 0x00, // REG_ARXR1PGA (0x10)
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+ 0x00, // REG_ARXL1PGA (0x11)
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+ 0x6c, // REG_ARXR2PGA (0x12)
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+ 0x6c, // REG_ARXL2PGA (0x13)
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+ 0x00, // REG_VRXPGA (0x14)
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+ 0x00, // REG_VSTPGA (0x15)
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+ 0x00, // REG_VRX2ARXPGA (0x16)
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+ 0x0c, // REG_AVDAC_CTL (0x17)
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+ 0x00, // REG_ARX2VTXPGA (0x18)
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+ 0x00, // REG_ARXL1_APGA_CTL (0x19)
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+ 0x00, // REG_ARXR1_APGA_CTL (0x1A)
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+ 0x4b, // REG_ARXL2_APGA_CTL (0x1B)
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+ 0x4b, // REG_ARXR2_APGA_CTL (0x1C)
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+ 0x00, // REG_ATX2ARXPGA (0x1D)
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+ 0x00, // REG_BT_IF (0x1E)
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+ 0x00, // REG_BTPGA (0x1F)
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+ 0x00, // REG_BTSTPGA (0x20)
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+ 0x00, // REG_EAR_CTL (0x21)
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+ 0x24, // REG_HS_SEL (0x22)
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+ 0x0a, // REG_HS_GAIN_SET (0x23)
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+ 0x00, // REG_HS_POPN_SET (0x24)
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+ 0x00, // REG_PREDL_CTL (0x25)
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+ 0x00, // REG_PREDR_CTL (0x26)
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+ 0x00, // REG_PRECKL_CTL (0x27)
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+ 0x00, // REG_PRECKR_CTL (0x28)
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+ 0x00, // REG_HFL_CTL (0x29)
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+ 0x00, // REG_HFR_CTL (0x2A)
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+ 0x00, // REG_ALC_CTL (0x2B)
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+ 0x00, // REG_ALC_SET1 (0x2C)
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+ 0x00, // REG_ALC_SET2 (0x2D)
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+ 0x00, // REG_BOOST_CTL (0x2E)
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+ 0x01, // REG_SOFTVOL_CTL (0x2F)
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+ 0x00, // REG_DTMF_FREQSEL (0x30)
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+ 0x00, // REG_DTMF_TONEXT1H (0x31)
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+ 0x00, // REG_DTMF_TONEXT1L (0x32)
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+ 0x00, // REG_DTMF_TONEXT2H (0x33)
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+ 0x00, // REG_DTMF_TONEXT2L (0x34)
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+ 0x00, // REG_DTMF_TONOFF (0x35)
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+ 0x00, // REG_DTMF_WANONOFF (0x36)
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+ 0x00, // REG_I2S_RX_SCRAMBLE_H (0x37)
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+ 0x00, // REG_I2S_RX_SCRAMBLE_M (0x38)
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+ 0x00, // REG_I2S_RX_SCRAMBLE_L (0x39)
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+ 0x16, // REG_APLL_CTL (0x3A)
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+ 0x00, // REG_DTMF_CTL (0x3B)
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+ 0x00, // REG_DTMF_PGA_CTL2 (0x3C)
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+ 0x00, // REG_DTMF_PGA_CTL1 (0x3D)
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+ 0x00, // REG_MISC_SET_1 (0x3E)
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+ 0x00, // REG_PCMBTMUX (0x3F)
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+ 0x00, // REG_RX_PATH_SEL (0x43)
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+ 0x00, // REG_VDL_APGA_CTL (0x44)
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+ 0x00, // REG_VIBRA_CTL (0x45)
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+ 0x00, // REG_VIBRA_SET (0x46)
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+ 0x00, // REG_VIBRA_PWM_SET (0x47)
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+ 0x00, // REG_ANAMIC_GAIN (0x48)
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+ 0x00, // REG_MISC_SET_2 (0x49)
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+};
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+
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+static void twl4030_dump_registers(void)
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+{
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+ int i = 0;
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+ u8 data;
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+
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+ printk(KERN_INFO "TWL 4030 Register dump for Audio Module\n");
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+
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+ for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) {
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+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &data, i);
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+ printk(KERN_INFO "Register[0x%02x]=0x%02x\n", i, data);
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+ }
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+}
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+
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+struct twl4030_priv {
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+ unsigned int dummy;
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+};
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+
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+/*
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+ * read twl4030 register cache
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+ */
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+static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec,
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+ unsigned int reg)
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+{
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+ u8 *cache = codec->reg_cache;
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+
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+ return cache[reg];
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+}
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+
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+/*
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+ * write twl4030 register cache
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+ */
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+static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec,
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+ u8 reg, u8 value)
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+{
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+ u8 *cache = codec->reg_cache;
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+
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+ if (reg >= TWL4030_CACHEREGNUM)
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+ return;
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+ cache[reg] = value;
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+}
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+
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+/*
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+ * write to the twl4030 register space
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+ */
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+static int twl4030_write(struct snd_soc_codec *codec,
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+ unsigned int reg, unsigned int value)
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+{
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+ twl4030_write_reg_cache(codec, reg, value);
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+ return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
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+}
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+
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+static void twl4030_init_chip(void)
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+{
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+ unsigned char byte;
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+ int i;
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+
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+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
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+ twl4030_reg[REG_CODEC_MODE] & 0xfd, REG_CODEC_MODE);
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+
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+ udelay(10); /* delay for power settling */
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+
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+ for (i = REG_OPTION; i <= REG_MISC_SET_2; i++) {
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+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, twl4030_reg[i], i);
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+ }
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+
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+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
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+ twl4030_reg[REG_CODEC_MODE], REG_CODEC_MODE);
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+
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+ udelay(10); /* delay for power settling */
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+
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+ /* initiate offset cancellation */
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+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
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+ twl4030_reg[REG_ANAMICL] | 0x80, REG_ANAMICL);
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+
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+ /* wait for offset cancellation to complete */
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+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL);
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+ while ((byte & 0x80) == 0x80)
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+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, REG_ANAMICL);
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+
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+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
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+ twl4030_reg[REG_MISC_SET_1] | 0x02, REG_MISC_SET_1);
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+
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+}
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+
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+static const struct snd_kcontrol_new twl4030_snd_controls[] = {
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+ SOC_DOUBLE_R("Master Playback Volume",
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+ REG_ARXL2PGA, REG_ARXR2PGA,
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+ 0, 127, 0),
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+ SOC_DOUBLE_R("Capture Volume",
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+ REG_ATXL1PGA, REG_ATXR1PGA,
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+ 0, 127, 0),
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+};
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+
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+/* add non dapm controls */
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+static int twl4030_add_controls(struct snd_soc_codec *codec)
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+{
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+ int err, i;
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+
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+ for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) {
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+ err = snd_ctl_add(codec->card,
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+ snd_soc_cnew(&twl4030_snd_controls[i],
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+ codec, NULL));
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+ if (err < 0)
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+ return err;
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+ }
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+
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+ return 0;
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+}
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+
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+static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
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+ SND_SOC_DAPM_INPUT("INL"),
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+ SND_SOC_DAPM_INPUT("INR"),
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+
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+ SND_SOC_DAPM_OUTPUT("OUTL"),
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+ SND_SOC_DAPM_OUTPUT("OUTR"),
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+
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+ SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0),
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+ SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0),
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+
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+ SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0),
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+ SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0),
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+};
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+
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+static const char *intercon[][3] = {
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+ /* outputs */
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+ {"OUTL", NULL, "DACL"},
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+ {"OUTR", NULL, "DACR"},
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+
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+ /* inputs */
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+ {"ADCL", NULL, "INL"},
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+ {"ADCR", NULL, "INR"},
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+
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+ /* terminator */
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+ {NULL, NULL, NULL},
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+};
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+
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+static int twl4030_add_widgets(struct snd_soc_codec *codec)
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+{
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(twl4030_dapm_widgets); i++)
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+ snd_soc_dapm_new_control(codec, &twl4030_dapm_widgets[i]);
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+
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+ /* set up audio path interconnects */
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+ for (i = 0; intercon[i][0] != NULL; i++)
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+ snd_soc_dapm_connect_input(codec, intercon[i][0],
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+ intercon[i][1], intercon[i][2]);
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+
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+ snd_soc_dapm_new_widgets(codec);
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+ return 0;
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+}
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+
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+static int twl4030_dapm_event(struct snd_soc_codec *codec, int event)
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+{
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+
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+ printk(KERN_INFO "TWL4030 Audio Codec dapm event\n");
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+ switch (event) {
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+ case SNDRV_CTL_POWER_D0: /* full On */
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+ break;
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+ case SNDRV_CTL_POWER_D1: /* partial On */
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+ case SNDRV_CTL_POWER_D2: /* partial On */
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+ break;
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+ case SNDRV_CTL_POWER_D3hot: /* off, with power */
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+ break;
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+ case SNDRV_CTL_POWER_D3cold: /* off, without power */
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+ break;
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+ }
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+ codec->dapm_state = event;
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+
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+ return 0;
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+}
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+
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+static void twl4030_power_up (struct snd_soc_codec *codec, u8 mode)
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+{
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+ u8 popn, hsgain;
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+
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+ twl4030_write(codec, REG_CODEC_MODE, mode & ~CODECPDZ);
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+ twl4030_write(codec, REG_CODEC_MODE, mode | CODECPDZ);
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+ udelay(10);
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+
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+ popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET);
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+ popn &= RAMP_DELAY;
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+ popn |= VMID_EN | RAMP_DELAY_161MS;
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+ twl4030_write(codec, REG_HS_POPN_SET, popn);
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+
|
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+ hsgain = HSR_GAIN_0DB| HSL_GAIN_0DB;
|
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+ twl4030_write(codec, REG_HS_GAIN_SET, hsgain);
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+
|
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+ popn |= RAMP_EN;
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+ twl4030_write(codec, REG_HS_POPN_SET, popn);
|
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+}
|
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+
|
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+static void twl4030_power_down (struct snd_soc_codec *codec)
|
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+{
|
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+ u8 popn, hsgain, mode;
|
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+
|
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+ popn = twl4030_read_reg_cache(codec, REG_HS_POPN_SET);
|
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+ popn &= ~RAMP_EN;
|
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+ twl4030_write(codec, REG_HS_POPN_SET, popn);
|
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+
|
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+ hsgain = HSR_GAIN_PWR_DOWN | HSL_GAIN_PWR_DOWN;
|
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+ twl4030_write(codec, REG_HS_GAIN_SET, hsgain);
|
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+
|
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+ popn &= ~VMID_EN;
|
|
+ twl4030_write(codec, REG_HS_POPN_SET, popn);
|
|
+
|
|
+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
|
|
+ mode &= ~CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+ udelay(10);
|
|
+}
|
|
+
|
|
+
|
|
+static int twl4030_hw_params(struct snd_pcm_substream *substream,
|
|
+ struct snd_pcm_hw_params *params)
|
|
+{
|
|
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
+ struct snd_soc_device *socdev = rtd->socdev;
|
|
+ struct snd_soc_codec *codec = socdev->codec;
|
|
+ struct twl4030_priv *twl4030 = codec->private_data;
|
|
+ u8 mode, old_mode, format, old_format;
|
|
+
|
|
+
|
|
+ /* bit rate */
|
|
+ old_mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE) & ~CODECPDZ;
|
|
+ mode = old_mode;
|
|
+ mode &= ~APLL_RATE;
|
|
+ switch (params_rate(params)) {
|
|
+ case 44100:
|
|
+ mode |= APLL_RATE_44100;
|
|
+ break;
|
|
+ case 48000:
|
|
+ mode |= APLL_RATE_48000;
|
|
+ break;
|
|
+ default:
|
|
+ printk(KERN_INFO "TWL4030 hw params: unknown rate %d\n", params_rate(params));
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ if (mode != old_mode) {
|
|
+ /* change rate and turn codec back on */
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+ mode |= CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+ }
|
|
+
|
|
+ /* sample size */
|
|
+ old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF);
|
|
+ format = old_format;
|
|
+ format &= ~DATA_WIDTH;
|
|
+ switch (params_format(params)) {
|
|
+ case SNDRV_PCM_FORMAT_S16_LE:
|
|
+ format |= DATA_WIDTH_16S_16W;
|
|
+ break;
|
|
+ case SNDRV_PCM_FORMAT_S24_LE:
|
|
+ format |= DATA_WIDTH_32S_24W;
|
|
+ break;
|
|
+ default:
|
|
+ printk(KERN_INFO "TWL4030 hw params: unknown format %d\n", params_format(params));
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ if (format != old_format) {
|
|
+
|
|
+ /* turn off codec before changing format */
|
|
+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
|
|
+ mode &= ~CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+
|
|
+ /* change format */
|
|
+ twl4030_write(codec, REG_AUDIO_IF, format);
|
|
+
|
|
+ /* turn on codec */
|
|
+ mode |= CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int twl4030_mute(struct snd_soc_codec_dai *dai, int mute)
|
|
+{
|
|
+ struct snd_soc_codec *codec = dai->codec;
|
|
+
|
|
+ u8 ldac_reg = twl4030_read_reg_cache(codec, REG_ARXL2PGA);
|
|
+ u8 rdac_reg = twl4030_read_reg_cache(codec, REG_ARXR2PGA);
|
|
+
|
|
+ if (mute) {
|
|
+ /* printk(KERN_INFO "TWL4030 Audio Codec mute\n"); */
|
|
+ twl4030_write(codec, REG_ARXL2PGA, 0x00);
|
|
+ twl4030_write(codec, REG_ARXR2PGA, 0x00);
|
|
+ twl4030_write_reg_cache(codec, REG_ARXL2PGA, ldac_reg);
|
|
+ twl4030_write_reg_cache(codec, REG_ARXR2PGA, rdac_reg);
|
|
+ }
|
|
+ else {
|
|
+ /* printk(KERN_INFO "TWL4030 Audio Codec unmute: %02x/%02x\n", ldac_reg, rdac_reg); */
|
|
+ twl4030_write(codec, REG_ARXL2PGA, ldac_reg);
|
|
+ twl4030_write(codec, REG_ARXR2PGA, rdac_reg);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int twl4030_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
|
|
+ unsigned int fmt)
|
|
+{
|
|
+ struct snd_soc_codec *codec = codec_dai->codec;
|
|
+ struct twl4030_priv *twl4030 = codec->private_data;
|
|
+ u8 mode, old_format, format;
|
|
+
|
|
+ /* get format */
|
|
+ old_format = twl4030_read_reg_cache(codec, REG_AUDIO_IF);
|
|
+ format = old_format;
|
|
+
|
|
+ /* set master/slave audio interface */
|
|
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
+ case SND_SOC_DAIFMT_CBM_CFM:
|
|
+ /* printk(KERN_INFO "TWL4030 set dai fmt: master\n"); */
|
|
+ format &= ~(AIF_SLAVE_EN);
|
|
+ format |= CLK256FS_EN;
|
|
+ break;
|
|
+ case SND_SOC_DAIFMT_CBS_CFS:
|
|
+ /* printk(KERN_INFO "TWL4030 set dai fmt: slave\n"); */
|
|
+ format &= ~(CLK256FS_EN);
|
|
+ format |= AIF_SLAVE_EN;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ /* interface format */
|
|
+ format &= ~AIF_FORMAT;
|
|
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
+ case SND_SOC_DAIFMT_I2S:
|
|
+ /* printk(KERN_INFO "TWL4030 set dai fmt: i2s\n"); */
|
|
+ format |= AIF_FORMAT_CODEC;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ if (format != old_format) {
|
|
+
|
|
+ /* turn off codec before changing format */
|
|
+ mode = twl4030_read_reg_cache(codec, REG_CODEC_MODE);
|
|
+ mode &= ~CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+
|
|
+ /* change format */
|
|
+ twl4030_write(codec, REG_AUDIO_IF, format);
|
|
+
|
|
+ mode |= CODECPDZ;
|
|
+ twl4030_write(codec, REG_CODEC_MODE, mode);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+#define TWL4030_RATES SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000
|
|
+#define TWL4030_FORMATS SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE
|
|
+
|
|
+struct snd_soc_codec_dai twl4030_dai = {
|
|
+ .name = "twl4030",
|
|
+ .playback = {
|
|
+ .stream_name = "Playback",
|
|
+ .channels_min = 2,
|
|
+ .channels_max = 2,
|
|
+ .rates = TWL4030_RATES,
|
|
+ .formats = TWL4030_FORMATS,},
|
|
+ .capture = {
|
|
+ .stream_name = "Capture",
|
|
+ .channels_min = 2,
|
|
+ .channels_max = 2,
|
|
+ .rates = TWL4030_RATES,
|
|
+ .formats = TWL4030_FORMATS,},
|
|
+ .ops = {
|
|
+ .hw_params = twl4030_hw_params,
|
|
+ },
|
|
+ .dai_ops = {
|
|
+ .digital_mute = twl4030_mute,
|
|
+ .set_fmt = twl4030_set_dai_fmt,
|
|
+ }
|
|
+};
|
|
+
|
|
+EXPORT_SYMBOL_GPL(twl4030_dai);
|
|
+
|
|
+static int twl4030_suspend(struct platform_device *pdev, pm_message_t state)
|
|
+{
|
|
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
|
|
+ struct snd_soc_codec *codec = socdev->codec;
|
|
+
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec suspend\n");
|
|
+ twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int twl4030_resume(struct platform_device *pdev)
|
|
+{
|
|
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
|
|
+ struct snd_soc_codec *codec = socdev->codec;
|
|
+ int i;
|
|
+ u16 *cache = codec->reg_cache;
|
|
+
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec resume\n");
|
|
+ /* Sync reg_cache with the hardware */
|
|
+ for (i = REG_CODEC_MODE; i <= REG_MISC_SET_2; i++) {
|
|
+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, cache[i], i);
|
|
+ }
|
|
+ twl4030_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
|
|
+ twl4030_dapm_event(codec, codec->suspend_dapm_state);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * initialize the driver
|
|
+ * register the mixer and dsp interfaces with the kernel
|
|
+ */
|
|
+
|
|
+static int twl4030_init(struct snd_soc_device *socdev)
|
|
+{
|
|
+ struct snd_soc_codec *codec = socdev->codec;
|
|
+ int ret = 0;
|
|
+
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec init \n");
|
|
+
|
|
+ codec->name = "twl4030";
|
|
+ codec->owner = THIS_MODULE;
|
|
+ codec->read = twl4030_read_reg_cache;
|
|
+ codec->write = twl4030_write;
|
|
+ codec->dapm_event = twl4030_dapm_event;
|
|
+ codec->dai = &twl4030_dai;
|
|
+ codec->num_dai = 1;
|
|
+ codec->reg_cache_size = sizeof(twl4030_reg);
|
|
+ codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), GFP_KERNEL);
|
|
+ if (codec->reg_cache == NULL)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ /* register pcms */
|
|
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_ERR "twl4030: failed to create pcms\n");
|
|
+ goto pcm_err;
|
|
+ }
|
|
+
|
|
+ twl4030_add_controls(codec);
|
|
+ twl4030_add_widgets(codec);
|
|
+
|
|
+ ret = snd_soc_register_card(socdev);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_ERR "twl4030: failed to register card\n");
|
|
+ goto card_err;
|
|
+ }
|
|
+
|
|
+ twl4030_init_chip();
|
|
+ twl4030_power_up(codec, APLL_RATE_44100 | OPT_MODE);
|
|
+
|
|
+ return ret;
|
|
+
|
|
+card_err:
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec init card error\n");
|
|
+ snd_soc_free_pcms(socdev);
|
|
+ snd_soc_dapm_free(socdev);
|
|
+pcm_err:
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec init pcm error\n");
|
|
+ kfree(codec->reg_cache);
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static struct snd_soc_device *twl4030_socdev;
|
|
+
|
|
+static int twl4030_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
|
|
+ struct snd_soc_codec *codec;
|
|
+ struct twl4030_priv *twl4030;
|
|
+
|
|
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
|
|
+ if (codec == NULL)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL);
|
|
+ if (twl4030 == NULL) {
|
|
+ kfree(codec);
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ codec->private_data = twl4030;
|
|
+ socdev->codec = codec;
|
|
+ mutex_init(&codec->mutex);
|
|
+ INIT_LIST_HEAD(&codec->dapm_widgets);
|
|
+ INIT_LIST_HEAD(&codec->dapm_paths);
|
|
+
|
|
+ twl4030_socdev = socdev;
|
|
+ twl4030_init(socdev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int twl4030_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
|
|
+ struct snd_soc_codec *codec = socdev->codec;
|
|
+
|
|
+ printk(KERN_INFO "TWL4030 Audio Codec remove\n");
|
|
+ kfree(codec->private_data);
|
|
+ kfree(codec);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+struct snd_soc_codec_device soc_codec_dev_twl4030 = {
|
|
+ .probe = twl4030_probe,
|
|
+ .remove = twl4030_remove,
|
|
+ .suspend = twl4030_suspend,
|
|
+ .resume = twl4030_resume,
|
|
+};
|
|
+EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030);
|
|
+
|
|
+MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
|
|
+MODULE_AUTHOR("Steve Sakoman");
|
|
+MODULE_LICENSE("GPL");
|
|
diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h
|
|
new file mode 100644
|
|
index 0000000..e126f96
|
|
--- /dev/null
|
|
+++ b/sound/soc/codecs/twl4030.h
|
|
@@ -0,0 +1,152 @@
|
|
+/*
|
|
+ * ALSA SoC TWL4030 codec driver
|
|
+ *
|
|
+ * Author: Steve Sakoman, <steve@sakoman.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License version 2 as
|
|
+ * published by the Free Software Foundation.
|
|
+ */
|
|
+
|
|
+#ifndef __TWL4030_AUDIO_H__
|
|
+#define __TWL4030_AUDIO_H__
|
|
+
|
|
+#define REG_CODEC_MODE 0x1
|
|
+#define REG_OPTION 0x2
|
|
+#define REG_UNKNOWN 0x3
|
|
+#define REG_MICBIAS_CTL 0x4
|
|
+#define REG_ANAMICL 0x5
|
|
+#define REG_ANAMICR 0x6
|
|
+#define REG_AVADC_CTL 0x7
|
|
+#define REG_ADCMICSEL 0x8
|
|
+#define REG_DIGMIXING 0x9
|
|
+#define REG_ATXL1PGA 0xA
|
|
+#define REG_ATXR1PGA 0xB
|
|
+#define REG_AVTXL2PGA 0xC
|
|
+#define REG_AVTXR2PGA 0xD
|
|
+#define REG_AUDIO_IF 0xE
|
|
+#define REG_VOICE_IF 0xF
|
|
+#define REG_ARXR1PGA 0x10
|
|
+#define REG_ARXL1PGA 0x11
|
|
+#define REG_ARXR2PGA 0x12
|
|
+#define REG_ARXL2PGA 0x13
|
|
+#define REG_VRXPGA 0x14
|
|
+#define REG_VSTPGA 0x15
|
|
+#define REG_VRX2ARXPGA 0x16
|
|
+#define REG_AVDAC_CTL 0x17
|
|
+#define REG_ARX2VTXPGA 0x18
|
|
+#define REG_ARXL1_APGA_CTL 0x19
|
|
+#define REG_ARXR1_APGA_CTL 0x1A
|
|
+#define REG_ARXL2_APGA_CTL 0x1B
|
|
+#define REG_ARXR2_APGA_CTL 0x1C
|
|
+#define REG_ATX2ARXPGA 0x1D
|
|
+#define REG_BT_IF 0x1E
|
|
+#define REG_BTPGA 0x1F
|
|
+#define REG_BTSTPGA 0x20
|
|
+#define REG_EAR_CTL 0x21
|
|
+#define REG_HS_SEL 0x22
|
|
+#define REG_HS_GAIN_SET 0x23
|
|
+#define REG_HS_POPN_SET 0x24
|
|
+#define REG_PREDL_CTL 0x25
|
|
+#define REG_PREDR_CTL 0x26
|
|
+#define REG_PRECKL_CTL 0x27
|
|
+#define REG_PRECKR_CTL 0x28
|
|
+#define REG_HFL_CTL 0x29
|
|
+#define REG_HFR_CTL 0x2A
|
|
+#define REG_ALC_CTL 0x2B
|
|
+#define REG_ALC_SET1 0x2C
|
|
+#define REG_ALC_SET2 0x2D
|
|
+#define REG_BOOST_CTL 0x2E
|
|
+#define REG_SOFTVOL_CTL 0x2F
|
|
+#define REG_DTMF_FREQSEL 0x30
|
|
+#define REG_DTMF_TONEXT1H 0x31
|
|
+#define REG_DTMF_TONEXT1L 0x32
|
|
+#define REG_DTMF_TONEXT2H 0x33
|
|
+#define REG_DTMF_TONEXT2L 0x34
|
|
+#define REG_DTMF_TONOFF 0x35
|
|
+#define REG_DTMF_WANONOFF 0x36
|
|
+#define REG_I2S_RX_SCRAMBLE_H 0x37
|
|
+#define REG_I2S_RX_SCRAMBLE_M 0x38
|
|
+#define REG_I2S_RX_SCRAMBLE_L 0x39
|
|
+#define REG_APLL_CTL 0x3A
|
|
+#define REG_DTMF_CTL 0x3B
|
|
+#define REG_DTMF_PGA_CTL2 0x3C
|
|
+#define REG_DTMF_PGA_CTL1 0x3D
|
|
+#define REG_MISC_SET_1 0x3E
|
|
+#define REG_PCMBTMUX 0x3F
|
|
+#define REG_RX_PATH_SEL 0x43
|
|
+#define REG_VDL_APGA_CTL 0x44
|
|
+#define REG_VIBRA_CTL 0x45
|
|
+#define REG_VIBRA_SET 0x46
|
|
+#define REG_VIBRA_PWM_SET 0x47
|
|
+#define REG_ANAMIC_GAIN 0x48
|
|
+#define REG_MISC_SET_2 0x49
|
|
+
|
|
+#define TWL4030_CACHEREGNUM REG_MISC_SET_2 + 1
|
|
+
|
|
+/* Bitfield Definitions */
|
|
+
|
|
+/* CODEC_MODE (0x01) Fields */
|
|
+
|
|
+#define APLL_RATE 0xF0
|
|
+#define APLL_RATE_8000 0x00
|
|
+#define APLL_RATE_11025 0x10
|
|
+#define APLL_RATE_12000 0x20
|
|
+#define APLL_RATE_16000 0x40
|
|
+#define APLL_RATE_22050 0x50
|
|
+#define APLL_RATE_24000 0x60
|
|
+#define APLL_RATE_32000 0x80
|
|
+#define APLL_RATE_44100 0x90
|
|
+#define APLL_RATE_48000 0xa0
|
|
+#define SEL_16K 0x04
|
|
+#define CODECPDZ 0x02
|
|
+#define OPT_MODE 0x01
|
|
+
|
|
+/* AUDIO_IF (0x0E) Fields */
|
|
+
|
|
+#define AIF_SLAVE_EN 0x80
|
|
+#define DATA_WIDTH 0x60
|
|
+#define DATA_WIDTH_16S_16W 0x00
|
|
+#define DATA_WIDTH_32S_16W 0x40
|
|
+#define DATA_WIDTH_32S_24W 0x60
|
|
+#define AIF_FORMAT 0x18
|
|
+#define AIF_FORMAT_CODEC 0x00
|
|
+#define AIF_FORMAT_LEFT 0x08
|
|
+#define AIF_FORMAT_RIGHT 0x10
|
|
+#define AIF_FORMAT_TDM 0x18
|
|
+#define AIF_TRI_EN 0x04
|
|
+#define CLK256FS_EN 0x02
|
|
+#define AIF_EN 0x01
|
|
+
|
|
+/* HS_GAIN_SET (0x23) Fields */
|
|
+
|
|
+#define HSR_GAIN 0x0c
|
|
+#define HSR_GAIN_PWR_DOWN 0x00
|
|
+#define HSR_GAIN_PLUS_6DB 0x04
|
|
+#define HSR_GAIN_0DB 0x08
|
|
+#define HSR_GAIN_MINUS_6DB 0x0c
|
|
+#define HSL_GAIN 0x0c
|
|
+#define HSL_GAIN_PWR_DOWN 0x00
|
|
+#define HSL_GAIN_PLUS_6DB 0x01
|
|
+#define HSL_GAIN_0DB 0x02
|
|
+#define HSL_GAIN_MINUS_6DB 0x03
|
|
+
|
|
+/* HS_POPN_SET (0x24) Fields */
|
|
+
|
|
+#define VMID_EN 0x40
|
|
+#define EXTMUTE 0x20
|
|
+#define RAMP_DELAY 0x1C
|
|
+#define RAMP_DELAY_20MS 0x00
|
|
+#define RAMP_DELAY_40MS 0x04
|
|
+#define RAMP_DELAY_81MS 0x08
|
|
+#define RAMP_DELAY_161MS 0x0c
|
|
+#define RAMP_DELAY_323MS 0x10
|
|
+#define RAMP_DELAY_645MS 0x14
|
|
+#define RAMP_DELAY_1291MS 0x18
|
|
+#define RAMP_DELAY_2581MS 0x1c
|
|
+#define RAMP_EN 0x02
|
|
+
|
|
+extern struct snd_soc_codec_dai twl4030_dai;
|
|
+extern struct snd_soc_codec_device soc_codec_dev_twl4030;
|
|
+
|
|
+#endif /* End of __TWL4030_AUDIO_H__ */
|
|
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
|
|
index 0230d83..8703cea 100644
|
|
--- a/sound/soc/omap/Kconfig
|
|
+++ b/sound/soc/omap/Kconfig
|
|
@@ -16,4 +16,20 @@ config SND_OMAP_SOC_N810
|
|
help
|
|
Say Y if you want to add support for SoC audio on Nokia N810.
|
|
|
|
+config SND_OMAP_SOC_OMAP3EVM
|
|
+ tristate "SoC Audio support for OMAP3 EVM"
|
|
+ depends on SND_OMAP_SOC && MACH_OMAP3EVM
|
|
+ select SND_OMAP_SOC_MCBSP
|
|
+ select SND_SOC_TWL4030
|
|
+ help
|
|
+ Say Y if you want to add support for SoC audio on the OMAP3 EVM.
|
|
+
|
|
+config SND_OMAP_SOC_OMAP3BEAGLE
|
|
+ tristate "SoC Audio support for OMAP3 Beagle"
|
|
+ depends on SND_OMAP_SOC && MACH_OMAP3_BEAGLE
|
|
+ select SND_OMAP_SOC_MCBSP
|
|
+ select SND_SOC_TWL4030
|
|
+ help
|
|
+ Say Y if you want to add support for SoC audio on the OMAP3 Beagle.
|
|
+
|
|
endmenu
|
|
diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile
|
|
index d8d8d58..638a240 100644
|
|
--- a/sound/soc/omap/Makefile
|
|
+++ b/sound/soc/omap/Makefile
|
|
@@ -7,5 +7,10 @@ obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o
|
|
|
|
# OMAP Machine Support
|
|
snd-soc-n810-objs := n810.o
|
|
+snd-soc-omap3evm-objs := omap3evm.o
|
|
+snd-soc-omap3beagle-objs := omap3beagle.o
|
|
|
|
obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o
|
|
+obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o
|
|
+obj-$(CONFIG_SND_OMAP_SOC_OMAP3BEAGLE) += snd-soc-omap3beagle.o
|
|
+
|
|
diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c
|
|
new file mode 100644
|
|
index 0000000..878f894
|
|
--- /dev/null
|
|
+++ b/sound/soc/omap/omap3beagle.c
|
|
@@ -0,0 +1,142 @@
|
|
+/*
|
|
+ * omap3beagle.c -- SoC audio for OMAP3 Beagle
|
|
+ *
|
|
+ * Author: Steve Sakoman <steve@sakoman.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License
|
|
+ * 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.
|
|
+ *
|
|
+ * 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 St, Fifth Floor, Boston, MA
|
|
+ * 02110-1301 USA
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/clk.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <sound/core.h>
|
|
+#include <sound/pcm.h>
|
|
+#include <sound/soc.h>
|
|
+#include <sound/soc-dapm.h>
|
|
+
|
|
+#include <asm/mach-types.h>
|
|
+#include <asm/arch/hardware.h>
|
|
+#include <asm/arch/gpio.h>
|
|
+#include <asm/arch/mcbsp.h>
|
|
+
|
|
+#include "omap-mcbsp.h"
|
|
+#include "omap-pcm.h"
|
|
+#include "../codecs/twl4030.h"
|
|
+
|
|
+static int omap3beagle_hw_params(struct snd_pcm_substream *substream,
|
|
+ struct snd_pcm_hw_params *params)
|
|
+{
|
|
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
|
|
+ int ret;
|
|
+
|
|
+ /* Set codec DAI configuration */
|
|
+ ret = codec_dai->dai_ops.set_fmt(codec_dai,
|
|
+ SND_SOC_DAIFMT_I2S |
|
|
+ SND_SOC_DAIFMT_NB_NF |
|
|
+ SND_SOC_DAIFMT_CBM_CFM);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_INFO "can't set codec DAI configuration\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ /* Set cpu DAI configuration */
|
|
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
|
|
+ SND_SOC_DAIFMT_I2S |
|
|
+ SND_SOC_DAIFMT_NB_NF |
|
|
+ SND_SOC_DAIFMT_CBM_CFM);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_INFO "can't set cpu DAI configuration\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct snd_soc_ops omap3beagle_ops = {
|
|
+ .hw_params = omap3beagle_hw_params,
|
|
+};
|
|
+
|
|
+/* Digital audio interface glue - connects codec <--> CPU */
|
|
+static struct snd_soc_dai_link omap3beagle_dai = {
|
|
+ .name = "TWL4030",
|
|
+ .stream_name = "TWL4030",
|
|
+ .cpu_dai = &omap_mcbsp_dai[0],
|
|
+ .codec_dai = &twl4030_dai,
|
|
+ .ops = &omap3beagle_ops,
|
|
+};
|
|
+
|
|
+/* Audio machine driver */
|
|
+static struct snd_soc_machine snd_soc_machine_omap3beagle = {
|
|
+ .name = "omap3beagle",
|
|
+ .dai_link = &omap3beagle_dai,
|
|
+ .num_links = 1,
|
|
+};
|
|
+
|
|
+/* Audio subsystem */
|
|
+static struct snd_soc_device omap3beagle_snd_devdata = {
|
|
+ .machine = &snd_soc_machine_omap3beagle,
|
|
+ .platform = &omap_soc_platform,
|
|
+ .codec_dev = &soc_codec_dev_twl4030,
|
|
+};
|
|
+
|
|
+static struct platform_device *omap3beagle_snd_device;
|
|
+
|
|
+static int __init omap3beagle_soc_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ printk(KERN_INFO "OMAP3 Beagle SoC init\n");
|
|
+ if (!machine_is_omap3_beagle()) {
|
|
+ printk(KERN_INFO "Not OMAP3 Beagle!\n");
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ omap3beagle_snd_device = platform_device_alloc("soc-audio", -1);
|
|
+ if (!omap3beagle_snd_device) {
|
|
+ printk(KERN_INFO "Platform device allocation failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ platform_set_drvdata(omap3beagle_snd_device, &omap3beagle_snd_devdata);
|
|
+ omap3beagle_snd_devdata.dev = &omap3beagle_snd_device->dev;
|
|
+ *(unsigned int *)omap3beagle_dai.cpu_dai->private_data = 1; /* McBSP2 */
|
|
+
|
|
+ ret = platform_device_add(omap3beagle_snd_device);
|
|
+ if (ret)
|
|
+ goto err1;
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err1:
|
|
+ printk(KERN_INFO "Unable to add platform device\n");
|
|
+ platform_device_put(omap3beagle_snd_device);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit omap3beagle_soc_exit(void)
|
|
+{
|
|
+ printk(KERN_INFO "OMAP3 Beagle SoC exit\n");
|
|
+ platform_device_unregister(omap3beagle_snd_device);
|
|
+}
|
|
+
|
|
+module_init(omap3beagle_soc_init);
|
|
+module_exit(omap3beagle_soc_exit);
|
|
+
|
|
+MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
|
|
+MODULE_DESCRIPTION("ALSA SoC OMAP3 Beagle");
|
|
+MODULE_LICENSE("GPL");
|
|
diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c
|
|
new file mode 100644
|
|
index 0000000..a64c788
|
|
--- /dev/null
|
|
+++ b/sound/soc/omap/omap3evm.c
|
|
@@ -0,0 +1,142 @@
|
|
+/*
|
|
+ * omap3evm.c -- SoC audio for OMAP3 EVM
|
|
+ *
|
|
+ * Author: Steve Sakoman <steve@sakoman.com>
|
|
+ *
|
|
+ * This program is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License
|
|
+ * 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.
|
|
+ *
|
|
+ * 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 St, Fifth Floor, Boston, MA
|
|
+ * 02110-1301 USA
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/clk.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <sound/core.h>
|
|
+#include <sound/pcm.h>
|
|
+#include <sound/soc.h>
|
|
+#include <sound/soc-dapm.h>
|
|
+
|
|
+#include <asm/mach-types.h>
|
|
+#include <asm/arch/hardware.h>
|
|
+#include <asm/arch/gpio.h>
|
|
+#include <asm/arch/mcbsp.h>
|
|
+
|
|
+#include "omap-mcbsp.h"
|
|
+#include "omap-pcm.h"
|
|
+#include "../codecs/twl4030.h"
|
|
+
|
|
+static int omap3evm_hw_params(struct snd_pcm_substream *substream,
|
|
+ struct snd_pcm_hw_params *params)
|
|
+{
|
|
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
|
|
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
|
|
+ int ret;
|
|
+
|
|
+ /* Set codec DAI configuration */
|
|
+ ret = codec_dai->dai_ops.set_fmt(codec_dai,
|
|
+ SND_SOC_DAIFMT_I2S |
|
|
+ SND_SOC_DAIFMT_NB_NF |
|
|
+ SND_SOC_DAIFMT_CBM_CFM);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_INFO "can't set codec DAI configuration\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ /* Set cpu DAI configuration */
|
|
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
|
|
+ SND_SOC_DAIFMT_I2S |
|
|
+ SND_SOC_DAIFMT_NB_NF |
|
|
+ SND_SOC_DAIFMT_CBM_CFM);
|
|
+ if (ret < 0) {
|
|
+ printk(KERN_INFO "can't set cpu DAI configuration\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct snd_soc_ops omap3evm_ops = {
|
|
+ .hw_params = omap3evm_hw_params,
|
|
+};
|
|
+
|
|
+/* Digital audio interface glue - connects codec <--> CPU */
|
|
+static struct snd_soc_dai_link omap3evm_dai = {
|
|
+ .name = "TWL4030",
|
|
+ .stream_name = "TWL4030",
|
|
+ .cpu_dai = &omap_mcbsp_dai[0],
|
|
+ .codec_dai = &twl4030_dai,
|
|
+ .ops = &omap3evm_ops,
|
|
+};
|
|
+
|
|
+/* Audio machine driver */
|
|
+static struct snd_soc_machine snd_soc_machine_omap3evm = {
|
|
+ .name = "omap3evm",
|
|
+ .dai_link = &omap3evm_dai,
|
|
+ .num_links = 1,
|
|
+};
|
|
+
|
|
+/* Audio subsystem */
|
|
+static struct snd_soc_device omap3evm_snd_devdata = {
|
|
+ .machine = &snd_soc_machine_omap3evm,
|
|
+ .platform = &omap_soc_platform,
|
|
+ .codec_dev = &soc_codec_dev_twl4030,
|
|
+};
|
|
+
|
|
+static struct platform_device *omap3evm_snd_device;
|
|
+
|
|
+static int __init omap3evm_soc_init(void)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ printk(KERN_INFO "OMAP3 EVM SoC init\n");
|
|
+ if (!machine_is_omap3evm()) {
|
|
+ printk(KERN_INFO "Not OMAP3 EVM!\n");
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ omap3evm_snd_device = platform_device_alloc("soc-audio", -1);
|
|
+ if (!omap3evm_snd_device) {
|
|
+ printk(KERN_INFO "Platform device allocation failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ platform_set_drvdata(omap3evm_snd_device, &omap3evm_snd_devdata);
|
|
+ omap3evm_snd_devdata.dev = &omap3evm_snd_device->dev;
|
|
+ *(unsigned int *)omap3evm_dai.cpu_dai->private_data = 1; /* McBSP2 */
|
|
+
|
|
+ ret = platform_device_add(omap3evm_snd_device);
|
|
+ if (ret)
|
|
+ goto err1;
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err1:
|
|
+ printk(KERN_INFO "Unable to add platform device\n");
|
|
+ platform_device_put(omap3evm_snd_device);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void __exit omap3evm_soc_exit(void)
|
|
+{
|
|
+ printk(KERN_INFO "OMAP3 EVM SoC exit\n");
|
|
+ platform_device_unregister(omap3evm_snd_device);
|
|
+}
|
|
+
|
|
+module_init(omap3evm_soc_init);
|
|
+module_exit(omap3evm_soc_exit);
|
|
+
|
|
+MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>");
|
|
+MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM");
|
|
+MODULE_LICENSE("GPL");
|