1 /** 2 * Copyright (c) 2010-2012 Broadcom. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 16 * 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. 20 * 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. 32 */ 33 34 #ifndef VCHIQ_MEMDRV_H 35 #define VCHIQ_MEMDRV_H 36 37 /* ---- Include Files ----------------------------------------------------- */ 38 39 #include <linux/kernel.h> 40 #include "vchiq_if.h" 41 42 /* ---- Constants and Types ---------------------------------------------- */ 43 44 typedef struct { 45 void *armSharedMemVirt; 46 dma_addr_t armSharedMemPhys; 47 size_t armSharedMemSize; 48 49 void *vcSharedMemVirt; 50 dma_addr_t vcSharedMemPhys; 51 size_t vcSharedMemSize; 52 } VCHIQ_SHARED_MEM_INFO_T; 53 54 /* ---- Variable Externs ------------------------------------------------- */ 55 56 /* ---- Function Prototypes ---------------------------------------------- */ 57 58 void vchiq_get_shared_mem_info(VCHIQ_SHARED_MEM_INFO_T *info); 59 60 VCHIQ_STATUS_T vchiq_memdrv_initialise(void); 61 62 VCHIQ_STATUS_T vchiq_userdrv_create_instance( 63 const VCHIQ_PLATFORM_DATA_T * platform_data); 64 65 VCHIQ_STATUS_T vchiq_userdrv_suspend( 66 const VCHIQ_PLATFORM_DATA_T * platform_data); 67 68 VCHIQ_STATUS_T vchiq_userdrv_resume( 69 const VCHIQ_PLATFORM_DATA_T * platform_data); 70 71 #endif 72