drivers/media/video/s5p-fimc/fimc-vb2.c

   1 /* linux/drivers/media/video/s5p-fimc/fimc_vb2.c
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * Core file for Samsung Camera Interface (FIMC) driver
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #include <linux/platform_device.h>
  14 #include "fimc-core.h"
  15
  16 #ifdef CONFIG_VIDEOBUF2_SDVMM
  17 void *fimc_sdvmm_init(struct fimc_dev *fimc)
  18 {
  19         struct vb2_vcm vb2_vcm;
  20         struct vb2_cma vb2_cma;
  21         char cma_name[FIMC_CMA_NAME_SIZE] = {0,};
  22         struct vb2_drv vb2_drv;
  23
  24         fimc->vcm_id = VCM_DEV_FIMC0 + fimc->id;
  25
  26         vb2_vcm.vcm_id = fimc->vcm_id;
  27         vb2_vcm.size = SZ_64M;
  28
  29         vb2_cma.dev = &fimc->pdev->dev;
  30         /* FIXME: need to set type value */
  31         sprintf(cma_name, "%s%d", FIMC_CMA_NAME, fimc->id);
  32         vb2_cma.type = cma_name;
  33         vb2_cma.alignment = SZ_4K;
  34
  35         vb2_drv.cacheable = false;
  36         vb2_drv.remap_dva = false;
  37
  38         return vb2_sdvmm_init(&vb2_vcm, &vb2_cma, &vb2_drv);
  39 }
  40
  41 const struct fimc_vb2 fimc_vb2_sdvmm = {
  42         .ops            = &vb2_sdvmm_memops,
  43         .init           = fimc_sdvmm_init,
  44         .cleanup        = vb2_sdvmm_cleanup,
  45         .plane_addr     = vb2_sdvmm_plane_dvaddr,
  46         .resume         = vb2_sdvmm_resume,
  47         .suspend        = vb2_sdvmm_suspend,
  48         .cache_flush    = vb2_sdvmm_cache_flush,
  49 #if 0
  50         .cache_flush    = vb2_sdvmm_cache_clean,
  51         .cache_flush    = vb2_sdvmm_cache_clean2,
  52         .cache_flush    = vb2_sdvmm_cache_inv,
  53 #endif
  54         .set_cacheable  = vb2_sdvmm_set_cacheable,
  55 };
  56
  57 #else
  58
  59 void *fimc_cma_init(struct fimc_dev *fimc)
  60 {
  61         return vb2_cma_init(&fimc->pdev->dev, NULL, 0);
  62 }
  63
  64 void fimc_cma_resume(void *alloc_ctx){}
  65 void fimc_cma_suspend(void *alloc_ctx){}
  66 int fimc_cma_cache_flush(void *alloc_ctx, struct vb2_buffer *vb, u32 plane_no){}
  67 void fimc_cma_set_cacheable(void *alloc_ctx, bool cacheable){}
  68
  69 const struct fimc_vb2 fimc_vb2_cma = {
  70         .ops            = &vb2_cma_memops,
  71         .init           = fimc_cma_init,
  72         .cleanup        = vb2_cma_cleanup,
  73         .plane_addr     = vb2_cma_plane_paddr,
  74         .resume         = fimc_cma_resume,
  75         .suspend        = fimc_cma_suspend,
  76         .cache_flush    = fimc_cma_cache_flush,
  77         .set_cacheable  = fimc_cma_set_cacheable,
  78 };
  79 #endif