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Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.h')
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.h29
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 d995641536b3..ce2b6686aa00 100644
--- a/drivers/media/video/cx18/cx18-mailbox.h
+++ b/drivers/media/video/cx18/cx18-mailbox.h
@@ -2,6 +2,7 @@
2 * cx18 mailbox functions 2 * cx18 mailbox functions
3 * 3 *
4 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 4 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
5 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -30,8 +31,24 @@
30#define MB_RESERVED_HANDLE_0 0 31#define MB_RESERVED_HANDLE_0 0
31#define MB_RESERVED_HANDLE_1 0xFFFFFFFF 32#define MB_RESERVED_HANDLE_1 0xFFFFFFFF
32 33
34#define APU 0
35#define CPU 1
36#define EPU 2
37#define HPU 3
38
33struct cx18; 39struct cx18;
34 40
41/*
42 * This structure is used by CPU to provide completed buffers information
43 * Its structure is dictrated by the layout of the SCB, required by the
44 * firmware, but its defintion needs to be here, instead of in cx18-scb.h,
45 * for mailbox work order scheduling
46 */
47struct cx18_mdl_ack {
48 u32 id; /* ID of a completed MDL */
49 u32 data_used; /* Total data filled in the MDL for buffer 'id' */
50};
51
35/* The cx18_mailbox struct is the mailbox structure which is used for passing 52/* The cx18_mailbox struct is the mailbox structure which is used for passing
36 messages between processors */ 53 messages between processors */
37struct cx18_mailbox { 54struct cx18_mailbox {
@@ -62,12 +79,22 @@ struct cx18_mailbox {
62 u32 error; 79 u32 error;
63}; 80};
64 81
82struct cx18_stream;
83
84struct cx18_api_func_private {
85 struct cx18 *cx;
86 struct cx18_stream *s;
87};
88
65int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]); 89int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]);
66int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd, 90int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd,
67 int args, ...); 91 int args, ...);
68int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...); 92int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...);
69int cx18_api_func(void *priv, u32 cmd, int in, int out, 93int cx18_api_func(void *priv, u32 cmd, int in, int out,
70 u32 data[CX2341X_MBOX_MAX_DATA]); 94 u32 data[CX2341X_MBOX_MAX_DATA]);
71long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb); 95
96void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu);
97
98void cx18_epu_work_handler(struct work_struct *work);
72 99
73#endif 100#endif