| /* Copyright (c) 2008-2009, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef __MSM_DMA_TEST__ |
| #define __MSM_DMA_TEST__ |
| |
| #include <linux/ioctl.h> |
| |
| #define MSM_DMA_IOC_MAGIC 0x83 |
| |
| /* The testing driver can manage a series of buffers. These are |
| * allocated and freed using these calls. */ |
| struct msm_dma_alloc_req { |
| int size; /* Size of this request, in bytes. */ |
| int bufnum; /* OUT: Number of buffer allocated. */ |
| }; |
| #define MSM_DMA_IOALLOC _IOWR(MSM_DMA_IOC_MAGIC, 2, struct msm_dma_alloc_req) |
| |
| /* Free the specified buffer. */ |
| #define MSM_DMA_IOFREE _IOW(MSM_DMA_IOC_MAGIC, 3, int) |
| |
| /* Free all used buffers. */ |
| #define MSM_DMA_IOFREEALL _IO(MSM_DMA_IOC_MAGIC, 7) |
| |
| /* Read/write data into kernel buffer. */ |
| struct msm_dma_bufxfer { |
| void *data; |
| int size; |
| int bufnum; |
| }; |
| #define MSM_DMA_IOWBUF _IOW(MSM_DMA_IOC_MAGIC, 4, struct msm_dma_bufxfer) |
| #define MSM_DMA_IORBUF _IOW(MSM_DMA_IOC_MAGIC, 5, struct msm_dma_bufxfer) |
| |
| /* Use the data mover to copy from one buffer to another. */ |
| struct msm_dma_scopy { |
| int srcbuf; |
| int destbuf; |
| int size; |
| }; |
| #define MSM_DMA_IOSCOPY _IOW(MSM_DMA_IOC_MAGIC, 6, struct msm_dma_scopy) |
| |
| #endif /* __MSM_DMA_TEST__ */ |