| /* |
| * hsi_char.h |
| * |
| * HSI character driver public declaration header file. |
| * |
| * Copyright (C) 2009 Nokia Corporation. All rights reserved. |
| * Copyright (C) 2009 Texas Instruments, Inc. |
| * |
| * Author: Andras Domokos <[email protected]> |
| * Author: Sebastien JAN <[email protected]> |
| * |
| * This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #ifndef HSI_CHAR_H |
| #define HSI_CHAR_H |
| |
| #define HSI_CHAR_BASE 'S' |
| #define CS_IOW(num, dtype) _IOW(HSI_CHAR_BASE, num, dtype) |
| #define CS_IOR(num, dtype) _IOR(HSI_CHAR_BASE, num, dtype) |
| #define CS_IOWR(num, dtype) _IOWR(HSI_CHAR_BASE, num, dtype) |
| #define CS_IO(num) _IO(HSI_CHAR_BASE, num) |
| |
| #define CS_SEND_BREAK CS_IO(1) |
| #define CS_FLUSH_RX CS_IO(2) |
| #define CS_FLUSH_TX CS_IO(3) |
| #define CS_BOOTSTRAP CS_IO(4) |
| #define CS_SET_ACWAKELINE CS_IOW(5, unsigned int) |
| #define CS_GET_ACWAKELINE CS_IOR(6, unsigned int) |
| #define CS_SET_RX CS_IOW(7, struct hsi_rx_config) |
| #define CS_GET_RX CS_IOW(8, struct hsi_rx_config) |
| #define CS_SET_TX CS_IOW(9, struct hsi_tx_config) |
| #define CS_GET_TX CS_IOW(10, struct hsi_tx_config) |
| #define CS_SW_RESET CS_IO(11) |
| #define CS_GET_FIFO_OCCUPANCY CS_IOR(12, size_t) |
| #define CS_GET_CAWAKELINE CS_IOR(13, unsigned int) |
| #define CS_SET_WAKE_RX_3WIRES_MODE CS_IOR(14, unsigned int) |
| |
| #define HSI_MODE_SLEEP 0 |
| #define HSI_MODE_STREAM 1 |
| #define HSI_MODE_FRAME 2 |
| |
| #define HSI_ARBMODE_RR 0 |
| #define HSI_ARBMODE_PRIO 1 |
| |
| #define WAKE_UP 1 |
| #define WAKE_DOWN 0 |
| |
| /** |
| * struct hsi_tx_config - HSI TX configuration data |
| * @mode: Bit transmission mode |
| * @flow: Data flow type |
| * @frame_size: frame payload size |
| * @channels: Number of active channels |
| * @divisor: Transmission bit rate divisor |
| * @arb_mode: Arbitration type for the transmit FIFOs |
| */ |
| struct hsi_tx_config { |
| __u32 mode; /* Stream:1, Frame:2 */ |
| __u32 flow; /* Synchronized:0, Pipelined:1. No Realtime support */ |
| __u32 frame_size; /* HSI: 31, SSI: <= 31 */ |
| __u32 channels; /* 1, 2, 4, 8, 16 (HSI only) */ |
| __u32 divisor; /* For HSI: <= 0xFF, for SSI: <= 0x7F */ |
| __u32 arb_mode; /* Round Robin: 0, Priority: 1 */ |
| }; |
| |
| /** |
| * struct hsi_rx_config - HSI RX configuration data |
| * @mode: Bit transmission mode |
| * @flow: Data flow type |
| * @frame_size: frame payload size |
| * @channels: Number of active channels |
| * @divisor: Transmission bit rate divisor |
| * Auto mode:ON:0x1000, OFF(SSI):0x1001) |
| * Normal range : HSI <= 255, SSI <= 127 |
| * @counters: Counters settings for error generation. |
| * Use HSI_HSR_COMBINE_COUNTERS for formatting the register value |
| */ |
| struct hsi_rx_config { |
| __u32 mode; /* Stream:1, Frame:2 */ |
| __u32 flow; /* Synchronized:0, Pipelined:1. No Realtime support */ |
| __u32 frame_size; /* HSI: 31, SSI: <= 31 */ |
| __u32 channels; /* 1, 2, 4, 8, 16(HSI only) */ |
| __u32 divisor; /* Normal range : HSI <= 255, SSI <= 127 */ |
| __u32 counters; /* HSI: FB[31..24], TB[23..20], FT[19..0] */ |
| /* SSI: FT[8..0] */ |
| }; |
| |
| |
| #endif /* HSI_CHAR_H */ |
