ASoC: add STA32X codec driver

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[zonque@gmail.com: transform to new ASoC structure]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 210 insertions, 0 deletions

diff --git a/sound/soc/codecs/sta32x.h b/sound/soc/codecs/sta32x.h
new file mode 100644
index 000000000000..b97ee5a75667
--- /dev/null
+++ b/sound/soc/codecs/sta32x.h
@@ -0,0 +1,210 @@
+/*
+ * Codec driver for ST STA32x 2.1-channel high-efficiency digital audio system
+ *
+ * Copyright: 2011 Raumfeld GmbH
+ * Author: Johannes Stezenbach <js@sig21.net>
+ *
+ * based on code from:
+ *	Wolfson Microelectronics PLC.
+ *	Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#ifndef _ASOC_STA_32X_H
+#define _ASOC_STA_32X_H
+
+/* STA326 register addresses */
+
+#define STA32X_REGISTER_COUNT	0x2d
+
+#define STA32X_CONFA	0x00
+#define STA32X_CONFB    0x01
+#define STA32X_CONFC    0x02
+#define STA32X_CONFD    0x03
+#define STA32X_CONFE    0x04
+#define STA32X_CONFF    0x05
+#define STA32X_MMUTE    0x06
+#define STA32X_MVOL     0x07
+#define STA32X_C1VOL    0x08
+#define STA32X_C2VOL    0x09
+#define STA32X_C3VOL    0x0a
+#define STA32X_AUTO1    0x0b
+#define STA32X_AUTO2    0x0c
+#define STA32X_AUTO3    0x0d
+#define STA32X_C1CFG    0x0e
+#define STA32X_C2CFG    0x0f
+#define STA32X_C3CFG    0x10
+#define STA32X_TONE     0x11
+#define STA32X_L1AR     0x12
+#define STA32X_L1ATRT   0x13
+#define STA32X_L2AR     0x14
+#define STA32X_L2ATRT   0x15
+#define STA32X_CFADDR2  0x16
+#define STA32X_B1CF1    0x17
+#define STA32X_B1CF2    0x18
+#define STA32X_B1CF3    0x19
+#define STA32X_B2CF1    0x1a
+#define STA32X_B2CF2    0x1b
+#define STA32X_B2CF3    0x1c
+#define STA32X_A1CF1    0x1d
+#define STA32X_A1CF2    0x1e
+#define STA32X_A1CF3    0x1f
+#define STA32X_A2CF1    0x20
+#define STA32X_A2CF2    0x21
+#define STA32X_A2CF3    0x22
+#define STA32X_B0CF1    0x23
+#define STA32X_B0CF2    0x24
+#define STA32X_B0CF3    0x25
+#define STA32X_CFUD     0x26
+#define STA32X_MPCC1    0x27
+#define STA32X_MPCC2    0x28
+/* Reserved 0x29 */
+/* Reserved 0x2a */
+#define STA32X_Reserved 0x2a
+#define STA32X_FDRC1    0x2b
+#define STA32X_FDRC2    0x2c
+/* Reserved 0x2d */
+
+
+/* STA326 register field definitions */
+
+/* 0x00 CONFA */
+#define STA32X_CONFA_MCS_MASK	0x03
+#define STA32X_CONFA_MCS_SHIFT	0
+#define STA32X_CONFA_IR_MASK	0x18
+#define STA32X_CONFA_IR_SHIFT	3
+#define STA32X_CONFA_TWRB	0x20
+#define STA32X_CONFA_TWAB	0x40
+#define STA32X_CONFA_FDRB	0x80
+
+/* 0x01 CONFB */
+#define STA32X_CONFB_SAI_MASK	0x0f
+#define STA32X_CONFB_SAI_SHIFT	0
+#define STA32X_CONFB_SAIFB	0x10
+#define STA32X_CONFB_DSCKE	0x20
+#define STA32X_CONFB_C1IM	0x40
+#define STA32X_CONFB_C2IM	0x80
+
+/* 0x02 CONFC */
+#define STA32X_CONFC_OM_MASK	0x03
+#define STA32X_CONFC_OM_SHIFT	0
+#define STA32X_CONFC_CSZ_MASK	0x7c
+#define STA32X_CONFC_CSZ_SHIFT	2
+
+/* 0x03 CONFD */
+#define STA32X_CONFD_HPB	0x01
+#define STA32X_CONFD_HPB_SHIFT	0
+#define STA32X_CONFD_DEMP	0x02
+#define STA32X_CONFD_DEMP_SHIFT	1
+#define STA32X_CONFD_DSPB	0x04
+#define STA32X_CONFD_DSPB_SHIFT	2
+#define STA32X_CONFD_PSL	0x08
+#define STA32X_CONFD_PSL_SHIFT	3
+#define STA32X_CONFD_BQL	0x10
+#define STA32X_CONFD_BQL_SHIFT	4
+#define STA32X_CONFD_DRC	0x20
+#define STA32X_CONFD_DRC_SHIFT	5
+#define STA32X_CONFD_ZDE	0x40
+#define STA32X_CONFD_ZDE_SHIFT	6
+#define STA32X_CONFD_MME	0x80
+#define STA32X_CONFD_MME_SHIFT	7
+
+/* 0x04 CONFE */
+#define STA32X_CONFE_MPCV	0x01
+#define STA32X_CONFE_MPCV_SHIFT	0
+#define STA32X_CONFE_MPC	0x02
+#define STA32X_CONFE_MPC_SHIFT	1
+#define STA32X_CONFE_AME	0x08
+#define STA32X_CONFE_AME_SHIFT	3
+#define STA32X_CONFE_PWMS	0x10
+#define STA32X_CONFE_PWMS_SHIFT	4
+#define STA32X_CONFE_ZCE	0x40
+#define STA32X_CONFE_ZCE_SHIFT	6
+#define STA32X_CONFE_SVE	0x80
+#define STA32X_CONFE_SVE_SHIFT	7
+
+/* 0x05 CONFF */
+#define STA32X_CONFF_OCFG_MASK	0x03
+#define STA32X_CONFF_OCFG_SHIFT	0
+#define STA32X_CONFF_IDE	0x04
+#define STA32X_CONFF_IDE_SHIFT	3
+#define STA32X_CONFF_BCLE	0x08
+#define STA32X_CONFF_ECLE	0x20
+#define STA32X_CONFF_PWDN	0x40
+#define STA32X_CONFF_EAPD	0x80
+
+/* 0x06 MMUTE */
+#define STA32X_MMUTE_MMUTE	0x01
+
+/* 0x0b AUTO1 */
+#define STA32X_AUTO1_AMEQ_MASK	0x03
+#define STA32X_AUTO1_AMEQ_SHIFT	0
+#define STA32X_AUTO1_AMV_MASK	0xc0
+#define STA32X_AUTO1_AMV_SHIFT	2
+#define STA32X_AUTO1_AMGC_MASK	0x30
+#define STA32X_AUTO1_AMGC_SHIFT	4
+#define STA32X_AUTO1_AMPS	0x80
+
+/* 0x0c AUTO2 */
+#define STA32X_AUTO2_AMAME	0x01
+#define STA32X_AUTO2_AMAM_MASK	0x0e
+#define STA32X_AUTO2_AMAM_SHIFT	1
+#define STA32X_AUTO2_XO_MASK	0xf0
+#define STA32X_AUTO2_XO_SHIFT	4
+
+/* 0x0d AUTO3 */
+#define STA32X_AUTO3_PEQ_MASK	0x1f
+#define STA32X_AUTO3_PEQ_SHIFT	0
+
+/* 0x0e 0x0f 0x10 CxCFG */
+#define STA32X_CxCFG_TCB	0x01	/* only C1 and C2 */
+#define STA32X_CxCFG_TCB_SHIFT	0
+#define STA32X_CxCFG_EQBP	0x02	/* only C1 and C2 */
+#define STA32X_CxCFG_EQBP_SHIFT	1
+#define STA32X_CxCFG_VBP	0x03
+#define STA32X_CxCFG_VBP_SHIFT	2
+#define STA32X_CxCFG_BO		0x04
+#define STA32X_CxCFG_LS_MASK	0x30
+#define STA32X_CxCFG_LS_SHIFT	4
+#define STA32X_CxCFG_OM_MASK	0xc0
+#define STA32X_CxCFG_OM_SHIFT	6
+
+/* 0x11 TONE */
+#define STA32X_TONE_BTC_SHIFT	0
+#define STA32X_TONE_TTC_SHIFT	4
+
+/* 0x12 0x13 0x14 0x15 limiter attack/release */
+#define STA32X_LxA_SHIFT	0
+#define STA32X_LxR_SHIFT	4
+
+/* 0x26 CFUD */
+#define STA32X_CFUD_W1		0x01
+#define STA32X_CFUD_WA		0x02
+#define STA32X_CFUD_R1		0x04
+#define STA32X_CFUD_RA		0x08
+
+
+/* biquad filter coefficient table offsets */
+#define STA32X_C1_BQ_BASE	0
+#define STA32X_C2_BQ_BASE	20
+#define STA32X_CH_BQ_NUM	4
+#define STA32X_BQ_NUM_COEF	5
+#define STA32X_XO_HP_BQ_BASE	40
+#define STA32X_XO_LP_BQ_BASE	45
+#define STA32X_C1_PRESCALE	50
+#define STA32X_C2_PRESCALE	51
+#define STA32X_C1_POSTSCALE	52
+#define STA32X_C2_POSTSCALE	53
+#define STA32X_C3_POSTSCALE	54
+#define STA32X_TW_POSTSCALE	55
+#define STA32X_C1_MIX1		56
+#define STA32X_C1_MIX2		57
+#define STA32X_C2_MIX1		58
+#define STA32X_C2_MIX2		59
+#define STA32X_C3_MIX1		60
+#define STA32X_C3_MIX2		61
+
+#endif /* _ASOC_STA_32X_H */