diff options
Diffstat (limited to 'include/linux/hsi_char.h')
| -rw-r--r-- | include/linux/hsi_char.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/linux/hsi_char.h b/include/linux/hsi_char.h new file mode 100644 index 0000000..cfa6580 --- /dev/null +++ b/include/linux/hsi_char.h @@ -0,0 +1,71 @@ +/* + * 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 <andras.domokos@nokia.com> + * Author: Sebastien JAN <s-jan@ti.com> + * + * 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 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 { + __u32 mode; + __u32 flow; + __u32 frame_size; + __u32 channels; + __u32 divisor; + __u32 arb_mode; +}; + +struct hsi_rx_config { + __u32 mode; + __u32 flow; + __u32 frame_size; + __u32 channels; + __u32 divisor; /* not used for SSI */ + __u32 counters; +}; + +#endif /* HSI_CHAR_H */ |