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-rw-r--r--sound/soc/codecs/max98095.c2396
1 files changed, 2396 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
new file mode 100644
index 00000000000..e1d282d477d
--- /dev/null
+++ b/sound/soc/codecs/max98095.c
@@ -0,0 +1,2396 @@
+/*
+ * max98095.c -- MAX98095 ALSA SoC Audio driver
+ *
+ * Copyright 2011 Maxim Integrated Products
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <linux/slab.h>
+#include <asm/div64.h>
+#include <sound/max98095.h>
+#include "max98095.h"
+
+enum max98095_type {
+ MAX98095,
+};
+
+struct max98095_cdata {
+ unsigned int rate;
+ unsigned int fmt;
+ int eq_sel;
+ int bq_sel;
+};
+
+struct max98095_priv {
+ enum max98095_type devtype;
+ void *control_data;
+ struct max98095_pdata *pdata;
+ unsigned int sysclk;
+ struct max98095_cdata dai[3];
+ const char **eq_texts;
+ const char **bq_texts;
+ struct soc_enum eq_enum;
+ struct soc_enum bq_enum;
+ int eq_textcnt;
+ int bq_textcnt;
+ u8 lin_state;
+ unsigned int mic1pre;
+ unsigned int mic2pre;
+};
+
+static const u8 max98095_reg_def[M98095_REG_CNT] = {
+ 0x00, /* 00 */
+ 0x00, /* 01 */
+ 0x00, /* 02 */
+ 0x00, /* 03 */
+ 0x00, /* 04 */
+ 0x00, /* 05 */
+ 0x00, /* 06 */
+ 0x00, /* 07 */
+ 0x00, /* 08 */
+ 0x00, /* 09 */
+ 0x00, /* 0A */
+ 0x00, /* 0B */
+ 0x00, /* 0C */
+ 0x00, /* 0D */
+ 0x00, /* 0E */
+ 0x00, /* 0F */
+ 0x00, /* 10 */
+ 0x00, /* 11 */
+ 0x00, /* 12 */
+ 0x00, /* 13 */
+ 0x00, /* 14 */
+ 0x00, /* 15 */
+ 0x00, /* 16 */
+ 0x00, /* 17 */
+ 0x00, /* 18 */
+ 0x00, /* 19 */
+ 0x00, /* 1A */
+ 0x00, /* 1B */
+ 0x00, /* 1C */
+ 0x00, /* 1D */
+ 0x00, /* 1E */
+ 0x00, /* 1F */
+ 0x00, /* 20 */
+ 0x00, /* 21 */
+ 0x00, /* 22 */
+ 0x00, /* 23 */
+ 0x00, /* 24 */
+ 0x00, /* 25 */
+ 0x00, /* 26 */
+ 0x00, /* 27 */
+ 0x00, /* 28 */
+ 0x00, /* 29 */
+ 0x00, /* 2A */
+ 0x00, /* 2B */
+ 0x00, /* 2C */
+ 0x00, /* 2D */
+ 0x00, /* 2E */
+ 0x00, /* 2F */
+ 0x00, /* 30 */
+ 0x00, /* 31 */
+ 0x00, /* 32 */
+ 0x00, /* 33 */
+ 0x00, /* 34 */
+ 0x00, /* 35 */
+ 0x00, /* 36 */
+ 0x00, /* 37 */
+ 0x00, /* 38 */
+ 0x00, /* 39 */
+ 0x00, /* 3A */
+ 0x00, /* 3B */
+ 0x00, /* 3C */
+ 0x00, /* 3D */
+ 0x00, /* 3E */
+ 0x00, /* 3F */
+ 0x00, /* 40 */
+ 0x00, /* 41 */
+ 0x00, /* 42 */
+ 0x00, /* 43 */
+ 0x00, /* 44 */
+ 0x00, /* 45 */
+ 0x00, /* 46 */
+ 0x00, /* 47 */
+ 0x00, /* 48 */
+ 0x00, /* 49 */
+ 0x00, /* 4A */
+ 0x00, /* 4B */
+ 0x00, /* 4C */
+ 0x00, /* 4D */
+ 0x00, /* 4E */
+ 0x00, /* 4F */
+ 0x00, /* 50 */
+ 0x00, /* 51 */
+ 0x00, /* 52 */
+ 0x00, /* 53 */
+ 0x00, /* 54 */
+ 0x00, /* 55 */
+ 0x00, /* 56 */
+ 0x00, /* 57 */
+ 0x00, /* 58 */
+ 0x00, /* 59 */
+ 0x00, /* 5A */
+ 0x00, /* 5B */
+ 0x00, /* 5C */
+ 0x00, /* 5D */
+ 0x00, /* 5E */
+ 0x00, /* 5F */
+ 0x00, /* 60 */
+ 0x00, /* 61 */
+ 0x00, /* 62 */
+ 0x00, /* 63 */
+ 0x00, /* 64 */
+ 0x00, /* 65 */
+ 0x00, /* 66 */
+ 0x00, /* 67 */
+ 0x00, /* 68 */
+ 0x00, /* 69 */
+ 0x00, /* 6A */
+ 0x00, /* 6B */
+ 0x00, /* 6C */
+ 0x00, /* 6D */
+ 0x00, /* 6E */
+ 0x00, /* 6F */
+ 0x00, /* 70 */
+ 0x00, /* 71 */
+ 0x00, /* 72 */
+ 0x00, /* 73 */
+ 0x00, /* 74 */
+ 0x00, /* 75 */
+ 0x00, /* 76 */
+ 0x00, /* 77 */
+ 0x00, /* 78 */
+ 0x00, /* 79 */
+ 0x00, /* 7A */
+ 0x00, /* 7B */
+ 0x00, /* 7C */
+ 0x00, /* 7D */
+ 0x00, /* 7E */
+ 0x00, /* 7F */
+ 0x00, /* 80 */
+ 0x00, /* 81 */
+ 0x00, /* 82 */
+ 0x00, /* 83 */
+ 0x00, /* 84 */
+ 0x00, /* 85 */
+ 0x00, /* 86 */
+ 0x00, /* 87 */
+ 0x00, /* 88 */
+ 0x00, /* 89 */
+ 0x00, /* 8A */
+ 0x00, /* 8B */
+ 0x00, /* 8C */
+ 0x00, /* 8D */
+ 0x00, /* 8E */
+ 0x00, /* 8F */
+ 0x00, /* 90 */
+ 0x00, /* 91 */
+ 0x30, /* 92 */
+ 0xF0, /* 93 */
+ 0x00, /* 94 */
+ 0x00, /* 95 */
+ 0x3F, /* 96 */
+ 0x00, /* 97 */
+ 0x00, /* 98 */
+ 0x00, /* 99 */
+ 0x00, /* 9A */
+ 0x00, /* 9B */
+ 0x00, /* 9C */
+ 0x00, /* 9D */
+ 0x00, /* 9E */
+ 0x00, /* 9F */
+ 0x00, /* A0 */
+ 0x00, /* A1 */
+ 0x00, /* A2 */
+ 0x00, /* A3 */
+ 0x00, /* A4 */
+ 0x00, /* A5 */
+ 0x00, /* A6 */
+ 0x00, /* A7 */
+ 0x00, /* A8 */
+ 0x00, /* A9 */
+ 0x00, /* AA */
+ 0x00, /* AB */
+ 0x00, /* AC */
+ 0x00, /* AD */
+ 0x00, /* AE */
+ 0x00, /* AF */
+ 0x00, /* B0 */
+ 0x00, /* B1 */
+ 0x00, /* B2 */
+ 0x00, /* B3 */
+ 0x00, /* B4 */
+ 0x00, /* B5 */
+ 0x00, /* B6 */
+ 0x00, /* B7 */
+ 0x00, /* B8 */
+ 0x00, /* B9 */
+ 0x00, /* BA */
+ 0x00, /* BB */
+ 0x00, /* BC */
+ 0x00, /* BD */
+ 0x00, /* BE */
+ 0x00, /* BF */
+ 0x00, /* C0 */
+ 0x00, /* C1 */
+ 0x00, /* C2 */
+ 0x00, /* C3 */
+ 0x00, /* C4 */
+ 0x00, /* C5 */
+ 0x00, /* C6 */
+ 0x00, /* C7 */
+ 0x00, /* C8 */
+ 0x00, /* C9 */
+ 0x00, /* CA */
+ 0x00, /* CB */
+ 0x00, /* CC */
+ 0x00, /* CD */
+ 0x00, /* CE */
+ 0x00, /* CF */
+ 0x00, /* D0 */
+ 0x00, /* D1 */
+ 0x00, /* D2 */
+ 0x00, /* D3 */
+ 0x00, /* D4 */
+ 0x00, /* D5 */
+ 0x00, /* D6 */
+ 0x00, /* D7 */
+ 0x00, /* D8 */
+ 0x00, /* D9 */
+ 0x00, /* DA */
+ 0x00, /* DB */
+ 0x00, /* DC */
+ 0x00, /* DD */
+ 0x00, /* DE */
+ 0x00, /* DF */
+ 0x00, /* E0 */
+ 0x00, /* E1 */
+ 0x00, /* E2 */
+ 0x00, /* E3 */
+ 0x00, /* E4 */
+ 0x00, /* E5 */
+ 0x00, /* E6 */
+ 0x00, /* E7 */
+ 0x00, /* E8 */
+ 0x00, /* E9 */
+ 0x00, /* EA */
+ 0x00, /* EB */
+ 0x00, /* EC */
+ 0x00, /* ED */
+ 0x00, /* EE */
+ 0x00, /* EF */
+ 0x00, /* F0 */
+ 0x00, /* F1 */
+ 0x00, /* F2 */
+ 0x00, /* F3 */
+ 0x00, /* F4 */
+ 0x00, /* F5 */
+ 0x00, /* F6 */
+ 0x00, /* F7 */
+ 0x00, /* F8 */
+ 0x00, /* F9 */
+ 0x00, /* FA */
+ 0x00, /* FB */
+ 0x00, /* FC */
+ 0x00, /* FD */
+ 0x00, /* FE */
+ 0x00, /* FF */
+};
+
+static struct {
+ int readable;
+ int writable;
+} max98095_access[M98095_REG_CNT] = {
+ { 0x00, 0x00 }, /* 00 */
+ { 0xFF, 0x00 }, /* 01 */
+ { 0xFF, 0x00 }, /* 02 */
+ { 0xFF, 0x00 }, /* 03 */
+ { 0xFF, 0x00 }, /* 04 */
+ { 0xFF, 0x00 }, /* 05 */
+ { 0xFF, 0x00 }, /* 06 */
+ { 0xFF, 0x00 }, /* 07 */
+ { 0xFF, 0x00 }, /* 08 */
+ { 0xFF, 0x00 }, /* 09 */
+ { 0xFF, 0x00 }, /* 0A */
+ { 0xFF, 0x00 }, /* 0B */
+ { 0xFF, 0x00 }, /* 0C */
+ { 0xFF, 0x00 }, /* 0D */
+ { 0xFF, 0x00 }, /* 0E */
+ { 0xFF, 0x9F }, /* 0F */
+ { 0xFF, 0xFF }, /* 10 */
+ { 0xFF, 0xFF }, /* 11 */
+ { 0xFF, 0xFF }, /* 12 */
+ { 0xFF, 0xFF }, /* 13 */
+ { 0xFF, 0xFF }, /* 14 */
+ { 0xFF, 0xFF }, /* 15 */
+ { 0xFF, 0xFF }, /* 16 */
+ { 0xFF, 0xFF }, /* 17 */
+ { 0xFF, 0xFF }, /* 18 */
+ { 0xFF, 0xFF }, /* 19 */
+ { 0xFF, 0xFF }, /* 1A */
+ { 0xFF, 0xFF }, /* 1B */
+ { 0xFF, 0xFF }, /* 1C */
+ { 0xFF, 0xFF }, /* 1D */
+ { 0xFF, 0x77 }, /* 1E */
+ { 0xFF, 0x77 }, /* 1F */
+ { 0xFF, 0x77 }, /* 20 */
+ { 0xFF, 0x77 }, /* 21 */
+ { 0xFF, 0x77 }, /* 22 */
+ { 0xFF, 0x77 }, /* 23 */
+ { 0xFF, 0xFF }, /* 24 */
+ { 0xFF, 0x7F }, /* 25 */
+ { 0xFF, 0x31 }, /* 26 */
+ { 0xFF, 0xFF }, /* 27 */
+ { 0xFF, 0xFF }, /* 28 */
+ { 0xFF, 0xFF }, /* 29 */
+ { 0xFF, 0xF7 }, /* 2A */
+ { 0xFF, 0x2F }, /* 2B */
+ { 0xFF, 0xEF }, /* 2C */
+ { 0xFF, 0xFF }, /* 2D */
+ { 0xFF, 0xFF }, /* 2E */
+ { 0xFF, 0xFF }, /* 2F */
+ { 0xFF, 0xFF }, /* 30 */
+ { 0xFF, 0xFF }, /* 31 */
+ { 0xFF, 0xFF }, /* 32 */
+ { 0xFF, 0xFF }, /* 33 */
+ { 0xFF, 0xF7 }, /* 34 */
+ { 0xFF, 0x2F }, /* 35 */
+ { 0xFF, 0xCF }, /* 36 */
+ { 0xFF, 0xFF }, /* 37 */
+ { 0xFF, 0xFF }, /* 38 */
+ { 0xFF, 0xFF }, /* 39 */
+ { 0xFF, 0xFF }, /* 3A */
+ { 0xFF, 0xFF }, /* 3B */
+ { 0xFF, 0xFF }, /* 3C */
+ { 0xFF, 0xFF }, /* 3D */
+ { 0xFF, 0xF7 }, /* 3E */
+ { 0xFF, 0x2F }, /* 3F */
+ { 0xFF, 0xCF }, /* 40 */
+ { 0xFF, 0xFF }, /* 41 */
+ { 0xFF, 0x77 }, /* 42 */
+ { 0xFF, 0xFF }, /* 43 */
+ { 0xFF, 0xFF }, /* 44 */
+ { 0xFF, 0xFF }, /* 45 */
+ { 0xFF, 0xFF }, /* 46 */
+ { 0xFF, 0xFF }, /* 47 */
+ { 0xFF, 0xFF }, /* 48 */
+ { 0xFF, 0x0F }, /* 49 */
+ { 0xFF, 0xFF }, /* 4A */
+ { 0xFF, 0xFF }, /* 4B */
+ { 0xFF, 0x3F }, /* 4C */
+ { 0xFF, 0x3F }, /* 4D */
+ { 0xFF, 0x3F }, /* 4E */
+ { 0xFF, 0xFF }, /* 4F */
+ { 0xFF, 0x7F }, /* 50 */
+ { 0xFF, 0x7F }, /* 51 */
+ { 0xFF, 0x0F }, /* 52 */
+ { 0xFF, 0x3F }, /* 53 */
+ { 0xFF, 0x3F }, /* 54 */
+ { 0xFF, 0x3F }, /* 55 */
+ { 0xFF, 0xFF }, /* 56 */
+ { 0xFF, 0xFF }, /* 57 */
+ { 0xFF, 0xBF }, /* 58 */
+ { 0xFF, 0x1F }, /* 59 */
+ { 0xFF, 0xBF }, /* 5A */
+ { 0xFF, 0x1F }, /* 5B */
+ { 0xFF, 0xBF }, /* 5C */
+ { 0xFF, 0x3F }, /* 5D */
+ { 0xFF, 0x3F }, /* 5E */
+ { 0xFF, 0x7F }, /* 5F */
+ { 0xFF, 0x7F }, /* 60 */
+ { 0xFF, 0x47 }, /* 61 */
+ { 0xFF, 0x9F }, /* 62 */
+ { 0xFF, 0x9F }, /* 63 */
+ { 0xFF, 0x9F }, /* 64 */
+ { 0xFF, 0x9F }, /* 65 */
+ { 0xFF, 0x9F }, /* 66 */
+ { 0xFF, 0xBF }, /* 67 */
+ { 0xFF, 0xBF }, /* 68 */
+ { 0xFF, 0xFF }, /* 69 */
+ { 0xFF, 0xFF }, /* 6A */
+ { 0xFF, 0x7F }, /* 6B */
+ { 0xFF, 0xF7 }, /* 6C */
+ { 0xFF, 0xFF }, /* 6D */
+ { 0xFF, 0xFF }, /* 6E */
+ { 0xFF, 0x1F }, /* 6F */
+ { 0xFF, 0xF7 }, /* 70 */
+ { 0xFF, 0xFF }, /* 71 */
+ { 0xFF, 0xFF }, /* 72 */
+ { 0xFF, 0x1F }, /* 73 */
+ { 0xFF, 0xF7 }, /* 74 */
+ { 0xFF, 0xFF }, /* 75 */
+ { 0xFF, 0xFF }, /* 76 */
+ { 0xFF, 0x1F }, /* 77 */
+ { 0xFF, 0xF7 }, /* 78 */
+ { 0xFF, 0xFF }, /* 79 */
+ { 0xFF, 0xFF }, /* 7A */
+ { 0xFF, 0x1F }, /* 7B */
+ { 0xFF, 0xF7 }, /* 7C */
+ { 0xFF, 0xFF }, /* 7D */
+ { 0xFF, 0xFF }, /* 7E */
+ { 0xFF, 0x1F }, /* 7F */
+ { 0xFF, 0xF7 }, /* 80 */
+ { 0xFF, 0xFF }, /* 81 */
+ { 0xFF, 0xFF }, /* 82 */
+ { 0xFF, 0x1F }, /* 83 */
+ { 0xFF, 0x7F }, /* 84 */
+ { 0xFF, 0x0F }, /* 85 */
+ { 0xFF, 0xD8 }, /* 86 */
+ { 0xFF, 0xFF }, /* 87 */
+ { 0xFF, 0xEF }, /* 88 */
+ { 0xFF, 0xFE }, /* 89 */
+ { 0xFF, 0xFE }, /* 8A */
+ { 0xFF, 0xFF }, /* 8B */
+ { 0xFF, 0xFF }, /* 8C */
+ { 0xFF, 0x3F }, /* 8D */
+ { 0xFF, 0xFF }, /* 8E */
+ { 0xFF, 0x3F }, /* 8F */
+ { 0xFF, 0x8F }, /* 90 */
+ { 0xFF, 0xFF }, /* 91 */
+ { 0xFF, 0x3F }, /* 92 */
+ { 0xFF, 0xFF }, /* 93 */
+ { 0xFF, 0xFF }, /* 94 */
+ { 0xFF, 0x0F }, /* 95 */
+ { 0xFF, 0x3F }, /* 96 */
+ { 0xFF, 0x8C }, /* 97 */
+ { 0x00, 0x00 }, /* 98 */
+ { 0x00, 0x00 }, /* 99 */
+ { 0x00, 0x00 }, /* 9A */
+ { 0x00, 0x00 }, /* 9B */
+ { 0x00, 0x00 }, /* 9C */
+ { 0x00, 0x00 }, /* 9D */
+ { 0x00, 0x00 }, /* 9E */
+ { 0x00, 0x00 }, /* 9F */
+ { 0x00, 0x00 }, /* A0 */
+ { 0x00, 0x00 }, /* A1 */
+ { 0x00, 0x00 }, /* A2 */
+ { 0x00, 0x00 }, /* A3 */
+ { 0x00, 0x00 }, /* A4 */
+ { 0x00, 0x00 }, /* A5 */
+ { 0x00, 0x00 }, /* A6 */
+ { 0x00, 0x00 }, /* A7 */
+ { 0x00, 0x00 }, /* A8 */
+ { 0x00, 0x00 }, /* A9 */
+ { 0x00, 0x00 }, /* AA */
+ { 0x00, 0x00 }, /* AB */
+ { 0x00, 0x00 }, /* AC */
+ { 0x00, 0x00 }, /* AD */
+ { 0x00, 0x00 }, /* AE */
+ { 0x00, 0x00 }, /* AF */
+ { 0x00, 0x00 }, /* B0 */
+ { 0x00, 0x00 }, /* B1 */
+ { 0x00, 0x00 }, /* B2 */
+ { 0x00, 0x00 }, /* B3 */
+ { 0x00, 0x00 }, /* B4 */
+ { 0x00, 0x00 }, /* B5 */
+ { 0x00, 0x00 }, /* B6 */
+ { 0x00, 0x00 }, /* B7 */
+ { 0x00, 0x00 }, /* B8 */
+ { 0x00, 0x00 }, /* B9 */
+ { 0x00, 0x00 }, /* BA */
+ { 0x00, 0x00 }, /* BB */
+ { 0x00, 0x00 }, /* BC */
+ { 0x00, 0x00 }, /* BD */
+ { 0x00, 0x00 }, /* BE */
+ { 0x00, 0x00 }, /* BF */
+ { 0x00, 0x00 }, /* C0 */
+ { 0x00, 0x00 }, /* C1 */
+ { 0x00, 0x00 }, /* C2 */
+ { 0x00, 0x00 }, /* C3 */
+ { 0x00, 0x00 }, /* C4 */
+ { 0x00, 0x00 }, /* C5 */
+ { 0x00, 0x00 }, /* C6 */
+ { 0x00, 0x00 }, /* C7 */
+ { 0x00, 0x00 }, /* C8 */
+ { 0x00, 0x00 }, /* C9 */
+ { 0x00, 0x00 }, /* CA */
+ { 0x00, 0x00 }, /* CB */
+ { 0x00, 0x00 }, /* CC */
+ { 0x00, 0x00 }, /* CD */
+ { 0x00, 0x00 }, /* CE */
+ { 0x00, 0x00 }, /* CF */
+ { 0x00, 0x00 }, /* D0 */
+ { 0x00, 0x00 }, /* D1 */
+ { 0x00, 0x00 }, /* D2 */
+ { 0x00, 0x00 }, /* D3 */
+ { 0x00, 0x00 }, /* D4 */
+ { 0x00, 0x00 }, /* D5 */
+ { 0x00, 0x00 }, /* D6 */
+ { 0x00, 0x00 }, /* D7 */
+ { 0x00, 0x00 }, /* D8 */
+ { 0x00, 0x00 }, /* D9 */
+ { 0x00, 0x00 }, /* DA */
+ { 0x00, 0x00 }, /* DB */
+ { 0x00, 0x00 }, /* DC */
+ { 0x00, 0x00 }, /* DD */
+ { 0x00, 0x00 }, /* DE */
+ { 0x00, 0x00 }, /* DF */
+ { 0x00, 0x00 }, /* E0 */
+ { 0x00, 0x00 }, /* E1 */
+ { 0x00, 0x00 }, /* E2 */
+ { 0x00, 0x00 }, /* E3 */
+ { 0x00, 0x00 }, /* E4 */
+ { 0x00, 0x00 }, /* E5 */
+ { 0x00, 0x00 }, /* E6 */
+ { 0x00, 0x00 }, /* E7 */
+ { 0x00, 0x00 }, /* E8 */
+ { 0x00, 0x00 }, /* E9 */
+ { 0x00, 0x00 }, /* EA */
+ { 0x00, 0x00 }, /* EB */
+ { 0x00, 0x00 }, /* EC */
+ { 0x00, 0x00 }, /* ED */
+ { 0x00, 0x00 }, /* EE */
+ { 0x00, 0x00 }, /* EF */
+ { 0x00, 0x00 }, /* F0 */
+ { 0x00, 0x00 }, /* F1 */
+ { 0x00, 0x00 }, /* F2 */
+ { 0x00, 0x00 }, /* F3 */
+ { 0x00, 0x00 }, /* F4 */
+ { 0x00, 0x00 }, /* F5 */
+ { 0x00, 0x00 }, /* F6 */
+ { 0x00, 0x00 }, /* F7 */
+ { 0x00, 0x00 }, /* F8 */
+ { 0x00, 0x00 }, /* F9 */
+ { 0x00, 0x00 }, /* FA */
+ { 0x00, 0x00 }, /* FB */
+ { 0x00, 0x00 }, /* FC */
+ { 0x00, 0x00 }, /* FD */
+ { 0x00, 0x00 }, /* FE */
+ { 0xFF, 0x00 }, /* FF */
+};
+
+static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg)
+{
+ if (reg >= M98095_REG_CNT)
+ return 0;
+ return max98095_access[reg].readable != 0;
+}
+
+static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
+{
+ if (reg > M98095_REG_MAX_CACHED)
+ return 1;
+
+ switch (reg) {
+ case M98095_000_HOST_DATA:
+ case M98095_001_HOST_INT_STS:
+ case M98095_002_HOST_RSP_STS:
+ case M98095_003_HOST_CMD_STS:
+ case M98095_004_CODEC_STS:
+ case M98095_005_DAI1_ALC_STS:
+ case M98095_006_DAI2_ALC_STS:
+ case M98095_007_JACK_AUTO_STS:
+ case M98095_008_JACK_MANUAL_STS:
+ case M98095_009_JACK_VBAT_STS:
+ case M98095_00A_ACC_ADC_STS:
+ case M98095_00B_MIC_NG_AGC_STS:
+ case M98095_00C_SPK_L_VOLT_STS:
+ case M98095_00D_SPK_R_VOLT_STS:
+ case M98095_00E_TEMP_SENSOR_STS:
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * Filter coefficients are in a separate register segment
+ * and they share the address space of the normal registers.
+ * The coefficient registers do not need or share the cache.
+ */
+static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ data[0] = reg;
+ data[1] = value;
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+/*
+ * Load equalizer DSP coefficient configurations registers
+ */
+static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
+ unsigned int band, u16 *coefs)
+{
+ unsigned int eq_reg;
+ unsigned int i;
+
+ BUG_ON(band > 4);
+ BUG_ON(dai > 1);
+
+ /* Load the base register address */
+ eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
+
+ /* Add the band address offset, note adjustment for word address */
+ eq_reg += band * (M98095_COEFS_PER_BAND << 1);
+
+ /* Step through the registers and coefs */
+ for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
+ max98095_hw_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
+ max98095_hw_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
+ }
+}
+
+/*
+ * Load biquad filter coefficient configurations registers
+ */
+static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
+ unsigned int band, u16 *coefs)
+{
+ unsigned int bq_reg;
+ unsigned int i;
+
+ BUG_ON(band > 1);
+ BUG_ON(dai > 1);
+
+ /* Load the base register address */
+ bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
+
+ /* Add the band address offset, note adjustment for word address */
+ bq_reg += band * (M98095_COEFS_PER_BAND << 1);
+
+ /* Step through the registers and coefs */
+ for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
+ max98095_hw_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
+ max98095_hw_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
+ }
+}
+
+static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
+static const struct soc_enum max98095_dai1_filter_mode_enum[] = {
+ SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 7, 2, max98095_fltr_mode),
+};
+static const struct soc_enum max98095_dai2_filter_mode_enum[] = {
+ SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 7, 2, max98095_fltr_mode),
+};
+
+static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
+
+static const struct soc_enum max98095_extmic_enum =
+ SOC_ENUM_SINGLE(M98095_087_CFG_MIC, 0, 3, max98095_extmic_text);
+
+static const struct snd_kcontrol_new max98095_extmic_mux =
+ SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
+
+static const char * const max98095_linein_text[] = { "INA", "INB" };
+
+static const struct soc_enum max98095_linein_enum =
+ SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 6, 2, max98095_linein_text);
+
+static const struct snd_kcontrol_new max98095_linein_mux =
+ SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
+
+static const char * const max98095_line_mode_text[] = {
+ "Stereo", "Differential"};
+
+static const struct soc_enum max98095_linein_mode_enum =
+ SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 7, 2, max98095_line_mode_text);
+
+static const struct soc_enum max98095_lineout_mode_enum =
+ SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 4, 2, max98095_line_mode_text);
+
+static const char * const max98095_dai_fltr[] = {
+ "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
+ "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
+static const struct soc_enum max98095_dai1_dac_filter_enum[] = {
+ SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 0, 6, max98095_dai_fltr),
+};
+static const struct soc_enum max98095_dai2_dac_filter_enum[] = {
+ SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 0, 6, max98095_dai_fltr),
+};
+static const struct soc_enum max98095_dai3_dac_filter_enum[] = {
+ SOC_ENUM_SINGLE(M98095_042_DAI3_FILTERS, 0, 6, max98095_dai_fltr),
+};
+
+static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ unsigned int sel = ucontrol->value.integer.value[0];
+
+ max98095->mic1pre = sel;
+ snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
+ (1+sel)<<M98095_MICPRE_SHIFT);
+
+ return 0;
+}
+
+static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = max98095->mic1pre;
+ return 0;
+}
+
+static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ unsigned int sel = ucontrol->value.integer.value[0];
+
+ max98095->mic2pre = sel;
+ snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
+ (1+sel)<<M98095_MICPRE_SHIFT);
+
+ return 0;
+}
+
+static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = max98095->mic2pre;
+ return 0;
+}
+
+static const unsigned int max98095_micboost_tlv[] = {
+ TLV_DB_RANGE_HEAD(2),
+ 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
+ 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
+};
+
+static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
+static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
+static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
+
+static const unsigned int max98095_hp_tlv[] = {
+ TLV_DB_RANGE_HEAD(5),
+ 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
+ 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
+ 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
+ 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
+ 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
+};
+
+static const unsigned int max98095_spk_tlv[] = {
+ TLV_DB_RANGE_HEAD(4),
+ 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
+ 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
+ 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
+ 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0),
+};
+
+static const unsigned int max98095_rcv_lout_tlv[] = {
+ TLV_DB_RANGE_HEAD(5),
+ 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
+ 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
+ 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
+ 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
+ 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
+};
+
+static const unsigned int max98095_lin_tlv[] = {
+ TLV_DB_RANGE_HEAD(3),
+ 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
+ 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
+ 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0),
+};
+
+static const struct snd_kcontrol_new max98095_snd_controls[] = {
+
+ SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
+ M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
+
+ SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
+ M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
+
+ SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
+ 0, 31, 0, max98095_rcv_lout_tlv),
+
+ SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
+ M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
+
+ SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
+ M98095_065_LVL_HP_R, 7, 1, 1),
+
+ SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
+ M98095_068_LVL_SPK_R, 7, 1, 1),
+
+ SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
+
+ SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
+ M98095_063_LVL_LINEOUT2, 7, 1, 1),
+
+ SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
+ max98095_mic_tlv),
+
+ SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
+ max98095_mic_tlv),
+
+ SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
+ M98095_05F_LVL_MIC1, 5, 2, 0,
+ max98095_mic1pre_get, max98095_mic1pre_set,
+ max98095_micboost_tlv),
+ SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
+ M98095_060_LVL_MIC2, 5, 2, 0,
+ max98095_mic2pre_get, max98095_mic2pre_set,
+ max98095_micboost_tlv),
+
+ SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
+ max98095_lin_tlv),
+
+ SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
+ max98095_adc_tlv),
+ SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
+ max98095_adc_tlv),
+
+ SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
+ max98095_adcboost_tlv),
+ SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
+ max98095_adcboost_tlv),
+
+ SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
+ SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
+
+ SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
+ SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
+
+ SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
+ SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
+ SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
+ SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
+ SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
+
+ SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
+ SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
+};
+
+/* Left speaker mixer switch */
+static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
+ SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
+ SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
+};
+
+/* Right speaker mixer switch */
+static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
+ SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
+ SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
+};
+
+/* Left headphone mixer switch */
+static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
+};
+
+/* Right headphone mixer switch */
+static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
+};
+
+/* Receiver earpiece mixer switch */
+static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
+};
+
+/* Left lineout mixer switch */
+static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
+};
+
+/* Right lineout mixer switch */
+static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
+};
+
+/* Left ADC mixer switch */
+static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
+};
+
+/* Right ADC mixer switch */
+static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
+ SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
+ SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
+ SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
+ SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
+};
+
+static int max98095_mic_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (w->reg == M98095_05F_LVL_MIC1) {
+ snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
+ (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
+ } else {
+ snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
+ (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
+ }
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/*
+ * The line inputs are stereo inputs with the left and right
+ * channels sharing a common PGA power control signal.
+ */
+static int max98095_line_pga(struct snd_soc_dapm_widget *w,
+ int event, u8 channel)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ u8 *state;
+
+ BUG_ON(!((channel == 1) || (channel == 2)));
+
+ state = &max98095->lin_state;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ *state |= channel;
+ snd_soc_update_bits(codec, w->reg,
+ (1 << w->shift), (1 << w->shift));
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ *state &= ~channel;
+ if (*state == 0) {
+ snd_soc_update_bits(codec, w->reg,
+ (1 << w->shift), 0);
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ return max98095_line_pga(w, event, 1);
+}
+
+static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ return max98095_line_pga(w, event, 2);
+}
+
+/*
+ * The stereo line out mixer outputs to two stereo line outs.
+ * The 2nd pair has a separate set of enables.
+ */
+static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_update_bits(codec, w->reg,
+ (1 << (w->shift+2)), (1 << (w->shift+2)));
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ snd_soc_update_bits(codec, w->reg,
+ (1 << (w->shift+2)), 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
+
+ SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
+ SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
+
+ SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
+ M98095_091_PWR_EN_OUT, 0, 0),
+ SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
+ M98095_091_PWR_EN_OUT, 1, 0),
+ SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
+ M98095_091_PWR_EN_OUT, 2, 0),
+ SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
+ M98095_091_PWR_EN_OUT, 2, 0),
+
+ SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
+ 6, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
+ 7, 0, NULL, 0),
+
+ SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
+ 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
+ 5, 0, NULL, 0),
+
+ SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
+ 3, 0, NULL, 0),
+
+ SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
+ 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
+ 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
+ &max98095_extmic_mux),
+
+ SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
+ &max98095_linein_mux),
+
+ SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_left_hp_mixer_controls[0],
+ ARRAY_SIZE(max98095_left_hp_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_right_hp_mixer_controls[0],
+ ARRAY_SIZE(max98095_right_hp_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_left_speaker_mixer_controls[0],
+ ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_right_speaker_mixer_controls[0],
+ ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_mono_rcv_mixer_controls[0],
+ ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_left_lineout_mixer_controls[0],
+ ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_right_lineout_mixer_controls[0],
+ ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_left_ADC_mixer_controls[0],
+ ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
+
+ SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
+ &max98095_right_ADC_mixer_controls[0],
+ ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
+
+ SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
+ 5, 0, NULL, 0, max98095_mic_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
+ 5, 0, NULL, 0, max98095_mic_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
+ 7, 0, NULL, 0, max98095_pga_in1_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
+ 7, 0, NULL, 0, max98095_pga_in2_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
+ SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
+
+ SND_SOC_DAPM_OUTPUT("HPL"),
+ SND_SOC_DAPM_OUTPUT("HPR"),
+ SND_SOC_DAPM_OUTPUT("SPKL"),
+ SND_SOC_DAPM_OUTPUT("SPKR"),
+ SND_SOC_DAPM_OUTPUT("RCV"),
+ SND_SOC_DAPM_OUTPUT("OUT1"),
+ SND_SOC_DAPM_OUTPUT("OUT2"),
+ SND_SOC_DAPM_OUTPUT("OUT3"),
+ SND_SOC_DAPM_OUTPUT("OUT4"),
+
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_INPUT("INA1"),
+ SND_SOC_DAPM_INPUT("INA2"),
+ SND_SOC_DAPM_INPUT("INB1"),
+ SND_SOC_DAPM_INPUT("INB2"),
+};
+
+static const struct snd_soc_dapm_route max98095_audio_map[] = {
+ /* Left headphone output mixer */
+ {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
+ {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Right headphone output mixer */
+ {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
+ {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Left speaker output mixer */
+ {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
+ {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
+ {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
+ {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Right speaker output mixer */
+ {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
+ {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
+ {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
+ {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Earpiece/Receiver output mixer */
+ {"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Receiver Mixer", "IN1 Switch", "IN1 Input"},
+ {"Receiver Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Left Lineout output mixer */
+ {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
+ {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Right lineout output mixer */
+ {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
+ {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
+ {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
+ {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
+
+ {"HP Left Out", NULL, "Left Headphone Mixer"},
+ {"HP Right Out", NULL, "Right Headphone Mixer"},
+ {"SPK Left Out", NULL, "Left Speaker Mixer"},
+ {"SPK Right Out", NULL, "Right Speaker Mixer"},
+ {"RCV Mono Out", NULL, "Receiver Mixer"},
+ {"LINE Left Out", NULL, "Left Lineout Mixer"},
+ {"LINE Right Out", NULL, "Right Lineout Mixer"},
+
+ {"HPL", NULL, "HP Left Out"},
+ {"HPR", NULL, "HP Right Out"},
+ {"SPKL", NULL, "SPK Left Out"},
+ {"SPKR", NULL, "SPK Right Out"},
+ {"RCV", NULL, "RCV Mono Out"},
+ {"OUT1", NULL, "LINE Left Out"},
+ {"OUT2", NULL, "LINE Right Out"},
+ {"OUT3", NULL, "LINE Left Out"},
+ {"OUT4", NULL, "LINE Right Out"},
+
+ /* Left ADC input mixer */
+ {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
+ {"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Right ADC input mixer */
+ {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
+ {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
+ {"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
+ {"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
+
+ /* Inputs */
+ {"ADCL", NULL, "Left ADC Mixer"},
+ {"ADCR", NULL, "Right ADC Mixer"},
+
+ {"IN1 Input", NULL, "INA1"},
+ {"IN2 Input", NULL, "INA2"},
+
+ {"MIC1 Input", NULL, "MIC1"},
+ {"MIC2 Input", NULL, "MIC2"},
+};
+
+static int max98095_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_add_controls(codec, max98095_snd_controls,
+ ARRAY_SIZE(max98095_snd_controls));
+
+ return 0;
+}
+
+/* codec mclk clock divider coefficients */
+static const struct {
+ u32 rate;
+ u8 sr;
+} rate_table[] = {
+ {8000, 0x01},
+ {11025, 0x02},
+ {16000, 0x03},
+ {22050, 0x04},
+ {24000, 0x05},
+ {32000, 0x06},
+ {44100, 0x07},
+ {48000, 0x08},
+ {88200, 0x09},
+ {96000, 0x0A},
+};
+
+static int rate_value(int rate, u8 *value)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
+ if (rate_table[i].rate >= rate) {
+ *value = rate_table[i].sr;
+ return 0;
+ }
+ }
+ *value = rate_table[0].sr;
+ return -EINVAL;
+}
+
+static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ unsigned long long ni;
+ unsigned int rate;
+ u8 regval;
+
+ cdata = &max98095->dai[0];
+
+ rate = params_rate(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
+ M98095_DAI_WS, 0);
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
+ M98095_DAI_WS, M98095_DAI_WS);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate_value(rate, &regval))
+ return -EINVAL;
+
+ snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE,
+ M98095_CLKMODE_MASK, regval);
+ cdata->rate = rate;
+
+ /* Configure NI when operating as master */
+ if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
+ if (max98095->sysclk == 0) {
+ dev_err(codec->dev, "Invalid system clock frequency\n");
+ return -EINVAL;
+ }
+ ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
+ * (unsigned long long int)rate;
+ do_div(ni, (unsigned long long int)max98095->sysclk);
+ snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
+ (ni >> 8) & 0x7F);
+ snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
+ ni & 0xFF);
+ }
+
+ /* Update sample rate mode */
+ if (rate < 50000)
+ snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
+ M98095_DAI_DHF, 0);
+ else
+ snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
+ M98095_DAI_DHF, M98095_DAI_DHF);
+
+ return 0;
+}
+
+static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ unsigned long long ni;
+ unsigned int rate;
+ u8 regval;
+
+ cdata = &max98095->dai[1];
+
+ rate = params_rate(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
+ M98095_DAI_WS, 0);
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
+ M98095_DAI_WS, M98095_DAI_WS);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate_value(rate, &regval))
+ return -EINVAL;
+
+ snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE,
+ M98095_CLKMODE_MASK, regval);
+ cdata->rate = rate;
+
+ /* Configure NI when operating as master */
+ if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
+ if (max98095->sysclk == 0) {
+ dev_err(codec->dev, "Invalid system clock frequency\n");
+ return -EINVAL;
+ }
+ ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
+ * (unsigned long long int)rate;
+ do_div(ni, (unsigned long long int)max98095->sysclk);
+ snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
+ (ni >> 8) & 0x7F);
+ snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
+ ni & 0xFF);
+ }
+
+ /* Update sample rate mode */
+ if (rate < 50000)
+ snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
+ M98095_DAI_DHF, 0);
+ else
+ snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
+ M98095_DAI_DHF, M98095_DAI_DHF);
+
+ return 0;
+}
+
+static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ unsigned long long ni;
+ unsigned int rate;
+ u8 regval;
+
+ cdata = &max98095->dai[2];
+
+ rate = params_rate(params);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
+ M98095_DAI_WS, 0);
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
+ M98095_DAI_WS, M98095_DAI_WS);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate_value(rate, &regval))
+ return -EINVAL;
+
+ snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE,
+ M98095_CLKMODE_MASK, regval);
+ cdata->rate = rate;
+
+ /* Configure NI when operating as master */
+ if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
+ if (max98095->sysclk == 0) {
+ dev_err(codec->dev, "Invalid system clock frequency\n");
+ return -EINVAL;
+ }
+ ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
+ * (unsigned long long int)rate;
+ do_div(ni, (unsigned long long int)max98095->sysclk);
+ snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
+ (ni >> 8) & 0x7F);
+ snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
+ ni & 0xFF);
+ }
+
+ /* Update sample rate mode */
+ if (rate < 50000)
+ snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
+ M98095_DAI_DHF, 0);
+ else
+ snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
+ M98095_DAI_DHF, M98095_DAI_DHF);
+
+ return 0;
+}
+
+static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+
+ /* Requested clock frequency is already setup */
+ if (freq == max98095->sysclk)
+ return 0;
+
+ max98095->sysclk = freq; /* remember current sysclk */
+
+ /* Setup clocks for slave mode, and using the PLL
+ * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
+ * 0x02 (when master clk is 20MHz to 40MHz)..
+ * 0x03 (when master clk is 40MHz to 60MHz)..
+ */
+ if ((freq >= 10000000) && (freq < 20000000)) {
+ snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
+ } else if ((freq >= 20000000) && (freq < 40000000)) {
+ snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
+ } else if ((freq >= 40000000) && (freq < 60000000)) {
+ snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
+ } else {
+ dev_err(codec->dev, "Invalid master clock frequency\n");
+ return -EINVAL;
+ }
+
+ dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
+
+ max98095->sysclk = freq;
+ return 0;
+}
+
+static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ u8 regval = 0;
+
+ cdata = &max98095->dai[0];
+
+ if (fmt != cdata->fmt) {
+ cdata->fmt = fmt;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ /* Slave mode PLL */
+ snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
+ 0x80);
+ snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
+ 0x00);
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* Set to master mode */
+ regval |= M98095_DAI_MAS;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ default:
+ dev_err(codec->dev, "Clock mode unsupported");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ regval |= M98095_DAI_DLY;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ regval |= M98095_DAI_WCI;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ regval |= M98095_DAI_BCI;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ regval |= M98095_DAI_BCI|M98095_DAI_WCI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
+ M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
+ M98095_DAI_WCI, regval);
+
+ snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
+ }
+
+ return 0;
+}
+
+static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ u8 regval = 0;
+
+ cdata = &max98095->dai[1];
+
+ if (fmt != cdata->fmt) {
+ cdata->fmt = fmt;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ /* Slave mode PLL */
+ snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
+ 0x80);
+ snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
+ 0x00);
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* Set to master mode */
+ regval |= M98095_DAI_MAS;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ default:
+ dev_err(codec->dev, "Clock mode unsupported");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ regval |= M98095_DAI_DLY;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ regval |= M98095_DAI_WCI;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ regval |= M98095_DAI_BCI;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ regval |= M98095_DAI_BCI|M98095_DAI_WCI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
+ M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
+ M98095_DAI_WCI, regval);
+
+ snd_soc_write(codec, M98095_035_DAI2_CLOCK,
+ M98095_DAI_BSEL64);
+ }
+
+ return 0;
+}
+
+static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ u8 regval = 0;
+
+ cdata = &max98095->dai[2];
+
+ if (fmt != cdata->fmt) {
+ cdata->fmt = fmt;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ /* Slave mode PLL */
+ snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
+ 0x80);
+ snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
+ 0x00);
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ /* Set to master mode */
+ regval |= M98095_DAI_MAS;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ default:
+ dev_err(codec->dev, "Clock mode unsupported");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ regval |= M98095_DAI_DLY;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ regval |= M98095_DAI_WCI;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ regval |= M98095_DAI_BCI;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ regval |= M98095_DAI_BCI|M98095_DAI_WCI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
+ M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
+ M98095_DAI_WCI, regval);
+
+ snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
+ M98095_DAI_BSEL64);
+ }
+
+ return 0;
+}
+
+static int max98095_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ int ret;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ ret = snd_soc_cache_sync(codec);
+
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
+ return ret;
+ }
+ }
+
+ snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
+ M98095_MBEN, M98095_MBEN);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
+ M98095_MBEN, 0);
+ codec->cache_sync = 1;
+ break;
+ }
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
+#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_ops max98095_dai1_ops = {
+ .set_sysclk = max98095_dai_set_sysclk,
+ .set_fmt = max98095_dai1_set_fmt,
+ .hw_params = max98095_dai1_hw_params,
+};
+
+static struct snd_soc_dai_ops max98095_dai2_ops = {
+ .set_sysclk = max98095_dai_set_sysclk,
+ .set_fmt = max98095_dai2_set_fmt,
+ .hw_params = max98095_dai2_hw_params,
+};
+
+static struct snd_soc_dai_ops max98095_dai3_ops = {
+ .set_sysclk = max98095_dai_set_sysclk,
+ .set_fmt = max98095_dai3_set_fmt,
+ .hw_params = max98095_dai3_hw_params,
+};
+
+static struct snd_soc_dai_driver max98095_dai[] = {
+{
+ .name = "HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MAX98095_RATES,
+ .formats = MAX98095_FORMATS,
+ },
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MAX98095_RATES,
+ .formats = MAX98095_FORMATS,
+ },
+ .ops = &max98095_dai1_ops,
+},
+{
+ .name = "Aux",
+ .playback = {
+ .stream_name = "Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = MAX98095_RATES,
+ .formats = MAX98095_FORMATS,
+ },
+ .ops = &max98095_dai2_ops,
+},
+{
+ .name = "Voice",
+ .playback = {
+ .stream_name = "Voice Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = MAX98095_RATES,
+ .formats = MAX98095_FORMATS,
+ },
+ .ops = &max98095_dai3_ops,
+}
+
+};
+
+static int max98095_get_eq_channel(const char *name)
+{
+ if (strcmp(name, "EQ1 Mode") == 0)
+ return 0;
+ if (strcmp(name, "EQ2 Mode") == 0)
+ return 1;
+ return -EINVAL;
+}
+
+static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_pdata *pdata = max98095->pdata;
+ int channel = max98095_get_eq_channel(kcontrol->id.name);
+ struct max98095_cdata *cdata;
+ int sel = ucontrol->value.integer.value[0];
+ struct max98095_eq_cfg *coef_set;
+ int fs, best, best_val, i;
+ int regmask, regsave;
+
+ BUG_ON(channel > 1);
+
+ if (!pdata || !max98095->eq_textcnt)
+ return 0;
+
+ if (sel >= pdata->eq_cfgcnt)
+ return -EINVAL;
+
+ cdata = &max98095->dai[channel];
+ cdata->eq_sel = sel;
+ fs = cdata->rate;
+
+ /* Find the selected configuration with nearest sample rate */
+ best = 0;
+ best_val = INT_MAX;
+ for (i = 0; i < pdata->eq_cfgcnt; i++) {
+ if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
+ abs(pdata->eq_cfg[i].rate - fs) < best_val) {
+ best = i;
+ best_val = abs(pdata->eq_cfg[i].rate - fs);
+ }
+ }
+
+ dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
+ pdata->eq_cfg[best].name,
+ pdata->eq_cfg[best].rate, fs);
+
+ coef_set = &pdata->eq_cfg[best];
+
+ regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
+
+ /* Disable filter while configuring, and save current on/off state */
+ regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
+ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
+
+ mutex_lock(&codec->mutex);
+ snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
+ m98095_eq_band(codec, channel, 0, coef_set->band1);
+ m98095_eq_band(codec, channel, 1, coef_set->band2);
+ m98095_eq_band(codec, channel, 2, coef_set->band3);
+ m98095_eq_band(codec, channel, 3, coef_set->band4);
+ m98095_eq_band(codec, channel, 4, coef_set->band5);
+ snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
+ mutex_unlock(&codec->mutex);
+
+ /* Restore the original on/off state */
+ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
+ return 0;
+}
+
+static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ int channel = max98095_get_eq_channel(kcontrol->id.name);
+ struct max98095_cdata *cdata;
+
+ cdata = &max98095->dai[channel];
+ ucontrol->value.enumerated.item[0] = cdata->eq_sel;
+
+ return 0;
+}
+
+static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
+{
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_pdata *pdata = max98095->pdata;
+ struct max98095_eq_cfg *cfg;
+ unsigned int cfgcnt;
+ int i, j;
+ const char **t;
+ int ret;
+
+ struct snd_kcontrol_new controls[] = {
+ SOC_ENUM_EXT("EQ1 Mode",
+ max98095->eq_enum,
+ max98095_get_eq_enum,
+ max98095_put_eq_enum),
+ SOC_ENUM_EXT("EQ2 Mode",
+ max98095->eq_enum,
+ max98095_get_eq_enum,
+ max98095_put_eq_enum),
+ };
+
+ cfg = pdata->eq_cfg;
+ cfgcnt = pdata->eq_cfgcnt;
+
+ /* Setup an array of texts for the equalizer enum.
+ * This is based on Mark Brown's equalizer driver code.
+ */
+ max98095->eq_textcnt = 0;
+ max98095->eq_texts = NULL;
+ for (i = 0; i < cfgcnt; i++) {
+ for (j = 0; j < max98095->eq_textcnt; j++) {
+ if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
+ break;
+ }
+
+ if (j != max98095->eq_textcnt)
+ continue;
+
+ /* Expand the array */
+ t = krealloc(max98095->eq_texts,
+ sizeof(char *) * (max98095->eq_textcnt + 1),
+ GFP_KERNEL);
+ if (t == NULL)
+ continue;
+
+ /* Store the new entry */
+ t[max98095->eq_textcnt] = cfg[i].name;
+ max98095->eq_textcnt++;
+ max98095->eq_texts = t;
+ }
+
+ /* Now point the soc_enum to .texts array items */
+ max98095->eq_enum.texts = max98095->eq_texts;
+ max98095->eq_enum.max = max98095->eq_textcnt;
+
+ ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
+ if (ret != 0)
+ dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
+}
+
+static int max98095_get_bq_channel(const char *name)
+{
+ if (strcmp(name, "Biquad1 Mode") == 0)
+ return 0;
+ if (strcmp(name, "Biquad2 Mode") == 0)
+ return 1;
+ return -EINVAL;
+}
+
+static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_pdata *pdata = max98095->pdata;
+ int channel = max98095_get_bq_channel(kcontrol->id.name);
+ struct max98095_cdata *cdata;
+ int sel = ucontrol->value.integer.value[0];
+ struct max98095_biquad_cfg *coef_set;
+ int fs, best, best_val, i;
+ int regmask, regsave;
+
+ BUG_ON(channel > 1);
+
+ if (!pdata || !max98095->bq_textcnt)
+ return 0;
+
+ if (sel >= pdata->bq_cfgcnt)
+ return -EINVAL;
+
+ cdata = &max98095->dai[channel];
+ cdata->bq_sel = sel;
+ fs = cdata->rate;
+
+ /* Find the selected configuration with nearest sample rate */
+ best = 0;
+ best_val = INT_MAX;
+ for (i = 0; i < pdata->bq_cfgcnt; i++) {
+ if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
+ abs(pdata->bq_cfg[i].rate - fs) < best_val) {
+ best = i;
+ best_val = abs(pdata->bq_cfg[i].rate - fs);
+ }
+ }
+
+ dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
+ pdata->bq_cfg[best].name,
+ pdata->bq_cfg[best].rate, fs);
+
+ coef_set = &pdata->bq_cfg[best];
+
+ regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
+
+ /* Disable filter while configuring, and save current on/off state */
+ regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
+ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
+
+ mutex_lock(&codec->mutex);
+ snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
+ m98095_biquad_band(codec, channel, 0, coef_set->band1);
+ m98095_biquad_band(codec, channel, 1, coef_set->band2);
+ snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
+ mutex_unlock(&codec->mutex);
+
+ /* Restore the original on/off state */
+ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
+ return 0;
+}
+
+static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ int channel = max98095_get_bq_channel(kcontrol->id.name);
+ struct max98095_cdata *cdata;
+
+ cdata = &max98095->dai[channel];
+ ucontrol->value.enumerated.item[0] = cdata->bq_sel;
+
+ return 0;
+}
+
+static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
+{
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_pdata *pdata = max98095->pdata;
+ struct max98095_biquad_cfg *cfg;
+ unsigned int cfgcnt;
+ int i, j;
+ const char **t;
+ int ret;
+
+ struct snd_kcontrol_new controls[] = {
+ SOC_ENUM_EXT("Biquad1 Mode",
+ max98095->bq_enum,
+ max98095_get_bq_enum,
+ max98095_put_bq_enum),
+ SOC_ENUM_EXT("Biquad2 Mode",
+ max98095->bq_enum,
+ max98095_get_bq_enum,
+ max98095_put_bq_enum),
+ };
+
+ cfg = pdata->bq_cfg;
+ cfgcnt = pdata->bq_cfgcnt;
+
+ /* Setup an array of texts for the biquad enum.
+ * This is based on Mark Brown's equalizer driver code.
+ */
+ max98095->bq_textcnt = 0;
+ max98095->bq_texts = NULL;
+ for (i = 0; i < cfgcnt; i++) {
+ for (j = 0; j < max98095->bq_textcnt; j++) {
+ if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
+ break;
+ }
+
+ if (j != max98095->bq_textcnt)
+ continue;
+
+ /* Expand the array */
+ t = krealloc(max98095->bq_texts,
+ sizeof(char *) * (max98095->bq_textcnt + 1),
+ GFP_KERNEL);
+ if (t == NULL)
+ continue;
+
+ /* Store the new entry */
+ t[max98095->bq_textcnt] = cfg[i].name;
+ max98095->bq_textcnt++;
+ max98095->bq_texts = t;
+ }
+
+ /* Now point the soc_enum to .texts array items */
+ max98095->bq_enum.texts = max98095->bq_texts;
+ max98095->bq_enum.max = max98095->bq_textcnt;
+
+ ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
+ if (ret != 0)
+ dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
+}
+
+static void max98095_handle_pdata(struct snd_soc_codec *codec)
+{
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_pdata *pdata = max98095->pdata;
+ u8 regval = 0;
+
+ if (!pdata) {
+ dev_dbg(codec->dev, "No platform data\n");
+ return;
+ }
+
+ /* Configure mic for analog/digital mic mode */
+ if (pdata->digmic_left_mode)
+ regval |= M98095_DIGMIC_L;
+
+ if (pdata->digmic_right_mode)
+ regval |= M98095_DIGMIC_R;
+
+ snd_soc_write(codec, M98095_087_CFG_MIC, regval);
+
+ /* Configure equalizers */
+ if (pdata->eq_cfgcnt)
+ max98095_handle_eq_pdata(codec);
+
+ /* Configure bi-quad filters */
+ if (pdata->bq_cfgcnt)
+ max98095_handle_bq_pdata(codec);
+}
+
+#ifdef CONFIG_PM
+static int max98095_suspend(struct snd_soc_codec *codec, pm_message_t state)
+{
+ max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int max98095_resume(struct snd_soc_codec *codec)
+{
+ max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+#else
+#define max98095_suspend NULL
+#define max98095_resume NULL
+#endif
+
+static int max98095_reset(struct snd_soc_codec *codec)
+{
+ int i, ret;
+
+ /* Gracefully reset the DSP core and the codec hardware
+ * in a proper sequence */
+ ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
+ return ret;
+ }
+
+ /* Reset to hardware default for registers, as there is not
+ * a soft reset hardware control register */
+ for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
+ ret = snd_soc_write(codec, i, max98095_reg_def[i]);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to reset: %d\n", ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static int max98095_probe(struct snd_soc_codec *codec)
+{
+ struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
+ struct max98095_cdata *cdata;
+ int ret = 0;
+
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
+ }
+
+ /* reset the codec, the DSP core, and disable all interrupts */
+ max98095_reset(codec);
+
+ /* initialize private data */
+
+ max98095->sysclk = (unsigned)-1;
+ max98095->eq_textcnt = 0;
+ max98095->bq_textcnt = 0;
+
+ cdata = &max98095->dai[0];
+ cdata->rate = (unsigned)-1;
+ cdata->fmt = (unsigned)-1;
+ cdata->eq_sel = 0;
+ cdata->bq_sel = 0;
+
+ cdata = &max98095->dai[1];
+ cdata->rate = (unsigned)-1;
+ cdata->fmt = (unsigned)-1;
+ cdata->eq_sel = 0;
+ cdata->bq_sel = 0;
+
+ cdata = &max98095->dai[2];
+ cdata->rate = (unsigned)-1;
+ cdata->fmt = (unsigned)-1;
+ cdata->eq_sel = 0;
+ cdata->bq_sel = 0;
+
+ max98095->lin_state = 0;
+ max98095->mic1pre = 0;
+ max98095->mic2pre = 0;
+
+ ret = snd_soc_read(codec, M98095_0FF_REV_ID);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to read device revision: %d\n",
+ ret);
+ goto err_access;
+ }
+ dev_info(codec->dev, "revision %c\n", ret + 'A');
+
+ snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
+
+ /* initialize registers cache to hardware default */
+ max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ snd_soc_write(codec, M98095_048_MIX_DAC_LR,
+ M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
+
+ snd_soc_write(codec, M98095_049_MIX_DAC_M,
+ M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
+
+ snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
+ snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
+ snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
+
+ snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
+ M98095_S1NORMAL|M98095_SDATA);
+
+ snd_soc_write(codec, M98095_036_DAI2_IOCFG,
+ M98095_S2NORMAL|M98095_SDATA);
+
+ snd_soc_write(codec, M98095_040_DAI3_IOCFG,
+ M98095_S3NORMAL|M98095_SDATA);
+
+ max98095_handle_pdata(codec);
+
+ /* take the codec out of the shut down */
+ snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
+ M98095_SHDNRUN);
+
+ max98095_add_widgets(codec);
+
+err_access:
+ return ret;
+}
+
+static int max98095_remove(struct snd_soc_codec *codec)
+{
+ max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
+ .probe = max98095_probe,
+ .remove = max98095_remove,
+ .suspend = max98095_suspend,
+ .resume = max98095_resume,
+ .set_bias_level = max98095_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(max98095_reg_def),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = max98095_reg_def,
+ .readable_register = max98095_readable,
+ .volatile_register = max98095_volatile,
+ .dapm_widgets = max98095_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
+ .dapm_routes = max98095_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
+};
+
+static int max98095_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct max98095_priv *max98095;
+ int ret;
+
+ max98095 = kzalloc(sizeof(struct max98095_priv), GFP_KERNEL);
+ if (max98095 == NULL)
+ return -ENOMEM;
+
+ max98095->devtype = id->driver_data;
+ i2c_set_clientdata(i2c, max98095);
+ max98095->control_data = i2c;
+ max98095->pdata = i2c->dev.platform_data;
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_max98095, &max98095_dai[0], 3);
+ if (ret < 0)
+ kfree(max98095);
+ return ret;
+}
+
+static int __devexit max98095_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
+
+ return 0;
+}
+
+static const struct i2c_device_id max98095_i2c_id[] = {
+ { "max98095", MAX98095 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
+
+static struct i2c_driver max98095_i2c_driver = {
+ .driver = {
+ .name = "max98095",
+ .owner = THIS_MODULE,
+ },
+ .probe = max98095_i2c_probe,
+ .remove = __devexit_p(max98095_i2c_remove),
+ .id_table = max98095_i2c_id,
+};
+
+static int __init max98095_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&max98095_i2c_driver);
+ if (ret)
+ pr_err("Failed to register max98095 I2C driver: %d\n", ret);
+
+ return ret;
+}
+module_init(max98095_init);
+
+static void __exit max98095_exit(void)
+{
+ i2c_del_driver(&max98095_i2c_driver);
+}
+module_exit(max98095_exit);
+
+MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
+MODULE_AUTHOR("Peter Hsiang");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 05:57:49 +0000