2 * Copyright (c) 2010-2012 Broadcom. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions, and the following disclaimer,
9 * without modification.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The names of the above-listed copyright holders may not be used
14 * to endorse or promote products derived from this software without
15 * specific prior written permission.
17 * ALTERNATIVELY, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2, as published by the Free
19 * Software Foundation.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
22 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #ifndef VCHIQ_MEMDRV_H
35 #define VCHIQ_MEMDRV_H
37 /* ---- Include Files ----------------------------------------------------- */
39 #include <linux/kernel.h>
42 /* ---- Constants and Types ---------------------------------------------- */
45 void *armSharedMemVirt;
46 dma_addr_t armSharedMemPhys;
47 size_t armSharedMemSize;
49 void *vcSharedMemVirt;
50 dma_addr_t vcSharedMemPhys;
51 size_t vcSharedMemSize;
52 } VCHIQ_SHARED_MEM_INFO_T;
54 /* ---- Variable Externs ------------------------------------------------- */
56 /* ---- Function Prototypes ---------------------------------------------- */
58 void vchiq_get_shared_mem_info(VCHIQ_SHARED_MEM_INFO_T *info);
60 VCHIQ_STATUS_T vchiq_memdrv_initialise(void);
62 VCHIQ_STATUS_T vchiq_userdrv_create_instance(
63 const VCHIQ_PLATFORM_DATA_T * platform_data);
65 VCHIQ_STATUS_T vchiq_userdrv_suspend(
66 const VCHIQ_PLATFORM_DATA_T * platform_data);
68 VCHIQ_STATUS_T vchiq_userdrv_resume(
69 const VCHIQ_PLATFORM_DATA_T * platform_data);