diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h index d995641536b..ce2b6686aa0 100644 --- a/drivers/media/video/cx18/cx18-mailbox.h +++ b/drivers/media/video/cx18/cx18-mailbox.h @@ -2,6 +2,7 @@ * cx18 mailbox functions * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * 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 @@ -30,8 +31,24 @@ #define MB_RESERVED_HANDLE_0 0 #define MB_RESERVED_HANDLE_1 0xFFFFFFFF +#define APU 0 +#define CPU 1 +#define EPU 2 +#define HPU 3 + struct cx18; +/* + * This structure is used by CPU to provide completed buffers information + * Its structure is dictrated by the layout of the SCB, required by the + * firmware, but its defintion needs to be here, instead of in cx18-scb.h, + * for mailbox work order scheduling + */ +struct cx18_mdl_ack { + u32 id; /* ID of a completed MDL */ + u32 data_used; /* Total data filled in the MDL for buffer 'id' */ +}; + /* The cx18_mailbox struct is the mailbox structure which is used for passing messages between processors */ struct cx18_mailbox { @@ -62,12 +79,22 @@ struct cx18_mailbox { u32 error; }; +struct cx18_stream; + +struct cx18_api_func_private { + struct cx18 *cx; + struct cx18_stream *s; +}; + int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]); int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd, int args, ...); int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...); int cx18_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]); -long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb); + +void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu); + +void cx18_epu_work_handler(struct work_struct *work); #endif |