| #ifndef __SOUND_FSI_H |
| #define __SOUND_FSI_H |
| |
| /* |
| * Fifo-attached Serial Interface (FSI) support for SH7724 |
| * |
| * Copyright (C) 2009 Renesas Solutions Corp. |
| * Kuninori Morimoto <morimoto.kuninori@renesas.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. |
| */ |
| |
| #define FSI_PORT_A 0 |
| #define FSI_PORT_B 1 |
| |
| #include <linux/clk.h> |
| #include <sound/soc.h> |
| |
| /* |
| * flags format |
| * |
| * 0x000000BA |
| * |
| * A: inversion |
| * B: format mode |
| */ |
| |
| /* A: clock inversion */ |
| #define SH_FSI_INVERSION_MASK 0x0000000F |
| #define SH_FSI_LRM_INV (1 << 0) |
| #define SH_FSI_BRM_INV (1 << 1) |
| #define SH_FSI_LRS_INV (1 << 2) |
| #define SH_FSI_BRS_INV (1 << 3) |
| |
| /* B: format mode */ |
| #define SH_FSI_FMT_MASK 0x000000F0 |
| #define SH_FSI_FMT_DAI (0 << 4) |
| #define SH_FSI_FMT_SPDIF (1 << 4) |
| |
| |
| /* |
| * set_rate return value |
| * |
| * see ACKMD/BPFMD on |
| * ACK_MD (FSI2) |
| * CKG1 (FSI) |
| * |
| * err : return value < 0 |
| * no change : return value == 0 |
| * change xMD : return value > 0 |
| * |
| * 0x-00000AB |
| * |
| * A: ACKMD value |
| * B: BPFMD value |
| */ |
| |
| #define SH_FSI_ACKMD_MASK (0xF << 0) |
| #define SH_FSI_ACKMD_512 (1 << 0) |
| #define SH_FSI_ACKMD_256 (2 << 0) |
| #define SH_FSI_ACKMD_128 (3 << 0) |
| #define SH_FSI_ACKMD_64 (4 << 0) |
| #define SH_FSI_ACKMD_32 (5 << 0) |
| |
| #define SH_FSI_BPFMD_MASK (0xF << 4) |
| #define SH_FSI_BPFMD_512 (1 << 4) |
| #define SH_FSI_BPFMD_256 (2 << 4) |
| #define SH_FSI_BPFMD_128 (3 << 4) |
| #define SH_FSI_BPFMD_64 (4 << 4) |
| #define SH_FSI_BPFMD_32 (5 << 4) |
| #define SH_FSI_BPFMD_16 (6 << 4) |
| |
| struct sh_fsi_platform_info { |
| unsigned long porta_flags; |
| unsigned long portb_flags; |
| int (*set_rate)(struct device *dev, int is_porta, int rate, int enable); |
| }; |
| |
| #endif /* __SOUND_FSI_H */ |
