diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.h b/drivers/media/video/cx18/cx18-mailbox.h deleted file mode 100644 index b63fdfaac49e..000000000000 --- a/drivers/media/video/cx18/cx18-mailbox.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * cx18 mailbox functions - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307 USA - */ - -#ifndef _CX18_MAILBOX_H_ -#define _CX18_MAILBOX_H_ - -/* mailbox max args */ -#define MAX_MB_ARGUMENTS 6 -/* compatibility, should be same as the define in cx2341x.h */ -#define CX2341X_MBOX_MAX_DATA 16 - -#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 MDL & buffers information. - * Its structure is dictated by the layout of the SCB, required by the - * firmware, but its definition 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 with 'id' */ -}; - -/* The cx18_mailbox struct is the mailbox structure which is used for passing - messages between processors */ -struct cx18_mailbox { - /* The sender sets a handle in 'request' after he fills the command. The - 'request' should be different than 'ack'. The sender, also, generates - an interrupt on XPU2YPU_irq where XPU is the sender and YPU is the - receiver. */ - u32 request; - /* The receiver detects a new command when 'req' is different than 'ack'. - He sets 'ack' to the same value as 'req' to clear the command. He, also, - generates an interrupt on YPU2XPU_irq where XPU is the sender and YPU - is the receiver. */ - u32 ack; - u32 reserved[6]; - /* 'cmd' identifies the command. The list of these commands are in - cx23418.h */ - u32 cmd; - /* Each command can have up to 6 arguments */ - u32 args[MAX_MB_ARGUMENTS]; - /* The return code can be one of the codes in the file cx23418.h. If the - command is completed successfully, the error will be ERR_SYS_SUCCESS. - If it is pending, the code is ERR_SYS_PENDING. If it failed, the error - code would indicate the task from which the error originated and will - be one of the errors in cx23418.h. In that case, the following - applies ((error & 0xff) != 0). - If the command is pending, the return will be passed in a MB from the - receiver to the sender. 'req' will be returned in args[0] */ - u32 error; -}; - -struct cx18_stream; - -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]); - -void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu); - -void cx18_in_work_handler(struct work_struct *work); - -#endif |