ASoC: Add max98088 CODEC driver

This patch adds the MAX98088 CODEC driver.

Signed-off-by: Peter Hsiang <peter.hsiang@maxim-ic.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 193 insertions, 0 deletions

diff --git a/sound/soc/codecs/max98088.h b/sound/soc/codecs/max98088.h
new file mode 100644
index 000000000000..56554c797fef
--- /dev/null
+++ b/sound/soc/codecs/max98088.h
@@ -0,0 +1,193 @@
+/*
+ * max98088.h -- MAX98088 ALSA SoC Audio driver
+ *
+ * Copyright 2010 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.
+ */
+
+#ifndef _MAX98088_H
+#define _MAX98088_H
+
+/*
+ * MAX98088 Registers Definition
+ */
+#define M98088_REG_00_IRQ_STATUS            0x00
+#define M98088_REG_01_MIC_STATUS            0x01
+#define M98088_REG_02_JACK_STAUS            0x02
+#define M98088_REG_03_BATTERY_VOLTAGE       0x03
+#define M98088_REG_0F_IRQ_ENABLE            0x0F
+#define M98088_REG_10_SYS_CLK               0x10
+#define M98088_REG_11_DAI1_CLKMODE          0x11
+#define M98088_REG_12_DAI1_CLKCFG_HI        0x12
+#define M98088_REG_13_DAI1_CLKCFG_LO        0x13
+#define M98088_REG_14_DAI1_FORMAT           0x14
+#define M98088_REG_15_DAI1_CLOCK            0x15
+#define M98088_REG_16_DAI1_IOCFG            0x16
+#define M98088_REG_17_DAI1_TDM              0x17
+#define M98088_REG_18_DAI1_FILTERS          0x18
+#define M98088_REG_19_DAI2_CLKMODE          0x19
+#define M98088_REG_1A_DAI2_CLKCFG_HI        0x1A
+#define M98088_REG_1B_DAI2_CLKCFG_LO        0x1B
+#define M98088_REG_1C_DAI2_FORMAT           0x1C
+#define M98088_REG_1D_DAI2_CLOCK            0x1D
+#define M98088_REG_1E_DAI2_IOCFG            0x1E
+#define M98088_REG_1F_DAI2_TDM              0x1F
+#define M98088_REG_20_DAI2_FILTERS          0x20
+#define M98088_REG_21_SRC                   0x21
+#define M98088_REG_22_MIX_DAC               0x22
+#define M98088_REG_23_MIX_ADC_LEFT          0x23
+#define M98088_REG_24_MIX_ADC_RIGHT         0x24
+#define M98088_REG_25_MIX_HP_LEFT           0x25
+#define M98088_REG_26_MIX_HP_RIGHT          0x26
+#define M98088_REG_27_MIX_HP_CNTL           0x27
+#define M98088_REG_28_MIX_REC_LEFT          0x28
+#define M98088_REG_29_MIX_REC_RIGHT         0x29
+#define M98088_REG_2A_MIC_REC_CNTL          0x2A
+#define M98088_REG_2B_MIX_SPK_LEFT          0x2B
+#define M98088_REG_2C_MIX_SPK_RIGHT         0x2C
+#define M98088_REG_2D_MIX_SPK_CNTL          0x2D
+#define M98088_REG_2E_LVL_SIDETONE          0x2E
+#define M98088_REG_2F_LVL_DAI1_PLAY         0x2F
+#define M98088_REG_30_LVL_DAI1_PLAY_EQ      0x30
+#define M98088_REG_31_LVL_DAI2_PLAY         0x31
+#define M98088_REG_32_LVL_DAI2_PLAY_EQ      0x32
+#define M98088_REG_33_LVL_ADC_L             0x33
+#define M98088_REG_34_LVL_ADC_R             0x34
+#define M98088_REG_35_LVL_MIC1              0x35
+#define M98088_REG_36_LVL_MIC2              0x36
+#define M98088_REG_37_LVL_INA               0x37
+#define M98088_REG_38_LVL_INB               0x38
+#define M98088_REG_39_LVL_HP_L              0x39
+#define M98088_REG_3A_LVL_HP_R              0x3A
+#define M98088_REG_3B_LVL_REC_L             0x3B
+#define M98088_REG_3C_LVL_REC_R             0x3C
+#define M98088_REG_3D_LVL_SPK_L             0x3D
+#define M98088_REG_3E_LVL_SPK_R             0x3E
+#define M98088_REG_3F_MICAGC_CFG            0x3F
+#define M98088_REG_40_MICAGC_THRESH         0x40
+#define M98088_REG_41_SPKDHP                0x41
+#define M98088_REG_42_SPKDHP_THRESH         0x42
+#define M98088_REG_43_SPKALC_COMP           0x43
+#define M98088_REG_44_PWRLMT_CFG            0x44
+#define M98088_REG_45_PWRLMT_TIME           0x45
+#define M98088_REG_46_THDLMT_CFG            0x46
+#define M98088_REG_47_CFG_AUDIO_IN          0x47
+#define M98088_REG_48_CFG_MIC               0x48
+#define M98088_REG_49_CFG_LEVEL             0x49
+#define M98088_REG_4A_CFG_BYPASS            0x4A
+#define M98088_REG_4B_CFG_JACKDET           0x4B
+#define M98088_REG_4C_PWR_EN_IN             0x4C
+#define M98088_REG_4D_PWR_EN_OUT            0x4D
+#define M98088_REG_4E_BIAS_CNTL             0x4E
+#define M98088_REG_4F_DAC_BIAS1             0x4F
+#define M98088_REG_50_DAC_BIAS2             0x50
+#define M98088_REG_51_PWR_SYS               0x51
+#define M98088_REG_52_DAI1_EQ_BASE          0x52
+#define M98088_REG_84_DAI2_EQ_BASE          0x84
+#define M98088_REG_B6_DAI1_BIQUAD_BASE      0xB6
+#define M98088_REG_C0_DAI2_BIQUAD_BASE      0xC0
+#define M98088_REG_FF_REV_ID                0xFF
+
+#define M98088_REG_CNT                      (0xFF+1)
+
+/* MAX98088 Registers Bit Fields */
+
+/* M98088_REG_11_DAI1_CLKMODE, M98088_REG_19_DAI2_CLKMODE */
+       #define M98088_CLKMODE_MASK             0xFF
+
+/* M98088_REG_14_DAI1_FORMAT, M98088_REG_1C_DAI2_FORMAT */
+       #define M98088_DAI_MAS                  (1<<7)
+       #define M98088_DAI_WCI                  (1<<6)
+       #define M98088_DAI_BCI                  (1<<5)
+       #define M98088_DAI_DLY                  (1<<4)
+       #define M98088_DAI_TDM                  (1<<2)
+       #define M98088_DAI_FSW                  (1<<1)
+       #define M98088_DAI_WS                   (1<<0)
+
+/* M98088_REG_15_DAI1_CLOCK, M98088_REG_1D_DAI2_CLOCK */
+       #define M98088_DAI_BSEL64               (1<<0)
+       #define M98088_DAI_OSR64                (1<<6)
+
+/* M98088_REG_16_DAI1_IOCFG, M98088_REG_1E_DAI2_IOCFG */
+       #define M98088_S1NORMAL                 (1<<6)
+       #define M98088_S2NORMAL                 (2<<6)
+       #define M98088_SDATA                    (3<<0)
+
+/* M98088_REG_18_DAI1_FILTERS, M98088_REG_20_DAI2_FILTERS */
+       #define M98088_DAI_DHF                  (1<<3)
+
+/* M98088_REG_22_MIX_DAC */
+       #define M98088_DAI1L_TO_DACL            (1<<7)
+       #define M98088_DAI1R_TO_DACL            (1<<6)
+       #define M98088_DAI2L_TO_DACL            (1<<5)
+       #define M98088_DAI2R_TO_DACL            (1<<4)
+       #define M98088_DAI1L_TO_DACR            (1<<3)
+       #define M98088_DAI1R_TO_DACR            (1<<2)
+       #define M98088_DAI2L_TO_DACR            (1<<1)
+       #define M98088_DAI2R_TO_DACR            (1<<0)
+
+/* M98088_REG_2A_MIC_REC_CNTL */
+       #define M98088_REC_LINEMODE             (1<<7)
+       #define M98088_REC_LINEMODE_MASK        (1<<7)
+
+/* M98088_REG_35_LVL_MIC1, M98088_REG_36_LVL_MIC2 */
+       #define M98088_MICPRE_MASK              (3<<5)
+       #define M98088_MICPRE_SHIFT             5
+
+/* M98088_REG_3A_LVL_HP_R */
+       #define M98088_HP_MUTE                  (1<<7)
+
+/* M98088_REG_3C_LVL_REC_R */
+       #define M98088_REC_MUTE                 (1<<7)
+
+/* M98088_REG_3E_LVL_SPK_R */
+       #define M98088_SP_MUTE                  (1<<7)
+
+/* M98088_REG_48_CFG_MIC */
+       #define M98088_EXTMIC_MASK              (3<<0)
+       #define M98088_DIGMIC_L                 (1<<5)
+       #define M98088_DIGMIC_R                 (1<<4)
+
+/* M98088_REG_49_CFG_LEVEL */
+       #define M98088_VSEN                     (1<<6)
+       #define M98088_ZDEN                     (1<<5)
+       #define M98088_EQ2EN                    (1<<1)
+       #define M98088_EQ1EN                    (1<<0)
+
+/* M98088_REG_4C_PWR_EN_IN */
+       #define M98088_INAEN                    (1<<7)
+       #define M98088_INBEN                    (1<<6)
+       #define M98088_MBEN                     (1<<3)
+       #define M98088_ADLEN                    (1<<1)
+       #define M98088_ADREN                    (1<<0)
+
+/* M98088_REG_4D_PWR_EN_OUT */
+       #define M98088_HPLEN                    (1<<7)
+       #define M98088_HPREN                    (1<<6)
+       #define M98088_HPEN                     ((1<<7)|(1<<6))
+       #define M98088_SPLEN                    (1<<5)
+       #define M98088_SPREN                    (1<<4)
+       #define M98088_RECEN                    (1<<3)
+       #define M98088_DALEN                    (1<<1)
+       #define M98088_DAREN                    (1<<0)
+
+/* M98088_REG_51_PWR_SYS */
+       #define M98088_SHDNRUN                  (1<<7)
+       #define M98088_PERFMODE                 (1<<3)
+       #define M98088_HPPLYBACK                (1<<2)
+       #define M98088_PWRSV8K                  (1<<1)
+       #define M98088_PWRSV                    (1<<0)
+
+/* Line inputs */
+#define LINE_INA  0
+#define LINE_INB  1
+
+#define M98088_COEFS_PER_BAND               5
+
+#define M98088_BYTE1(w) ((w >> 8) & 0xff)
+#define M98088_BYTE0(w) (w & 0xff)
+
+#endif