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- /*
- * TVIN Canvas
- *
- * Author: Bobby Yang <bo.yang@amlogic.com>
- *
- * Copyright (C) 2010 Amlogic Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #if (defined CONFIG_ARCH_MESON6)
- #include <mach/io.h>
- #else
- #include <mach/dmc.h>
- #endif
- #include <linux/amports/canvas.h>
- #include <linux/amports/vframe.h>
- #include <linux/mm.h>
- #include "tvin_format_table.h"
- #include "vdin.h"
- #include "vdin_canvas.h"
- const unsigned int vdin_canvas_ids[2][48] = {
- {
- 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41,
- 42, 43, 44, 45, 46, 47,
- 48, 49, 50, 51, 52, 53,
- 54, 55, 56, 57, 58, 59,
- },
- {
- 132, 133, 134, 135, 136, 137,
- 138, 139, 140, 141, 142, 143,
- 144, 145, 146, 147, 148, 149,
- 150, 151, 152, 153, 154, 155,
- 156, 157, 158, 159, 160, 161,
- 162, 163, 164, 165, 166, 167,
- 168, 169, 170, 171, 172, 173,
- 174, 175, 176, 177, 178, 179,
- },
- };
- inline void vdin_canvas_init(struct vdin_dev_s *devp)
- {
- int i, canvas_id;
- unsigned int canvas_addr;
- int canvas_max_w = VDIN_CANVAS_MAX_WIDTH << 1;
- int canvas_max_h = VDIN_CANVAS_MAX_HEIGH;
- devp->canvas_max_size = PAGE_ALIGN(canvas_max_w*canvas_max_h);
- devp->canvas_max_num = devp->mem_size / devp->canvas_max_size;
- if (devp->canvas_max_num > VDIN_CANVAS_MAX_CNT)
- devp->canvas_max_num = VDIN_CANVAS_MAX_CNT;
- pr_info("vdin%d cnavas initial table:\n", devp->index);
- for ( i = 0; i < devp->canvas_max_num; i++)
- {
- canvas_id = vdin_canvas_ids[devp->index][i];
- canvas_addr = devp->mem_start + devp->canvas_max_size * i;
- canvas_config(canvas_id, canvas_addr, canvas_max_w, canvas_max_h,
- CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_LINEAR);
- pr_info(" %d: 0x%x-0x%x %dx%d (%d KB)\n",
- canvas_id, canvas_addr, (canvas_addr + devp->canvas_max_size),
- canvas_max_w, canvas_max_h, (devp->canvas_max_size >> 10));
- }
- }
- inline void vdin_canvas_start_config(struct vdin_dev_s *devp)
- {
- int i, canvas_id;
- unsigned long canvas_addr;
- if ((devp->format_convert == VDIN_FORMAT_CONVERT_YUV_YUV444) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_YUV_RGB ) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_RGB_YUV444) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_RGB_RGB ))
- devp->canvas_w = devp->h_active * 3;
- else
- devp->canvas_w = devp->h_active * 2;
- #if 0
- if(tvin_fmt_tbl[devp->parm.info.fmt].scan_mode == TVIN_SCAN_MODE_INTERLACED)
- devp->canvas_h = devp->v_active * 2;
- else
- devp->canvas_h = devp->v_active;
- #else
- devp->canvas_h = devp->v_active;
- #endif
- pr_info("vdin%d cnavas configuration table:\n", devp->index);
- for (i = 0; i < devp->canvas_max_num; i++)
- {
- canvas_id = vdin_canvas_ids[devp->index][i];
- canvas_addr = canvas_get_addr(canvas_id);
- canvas_config(canvas_id, canvas_addr, devp->canvas_w, devp->canvas_h,
- CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_LINEAR);
- pr_info(" %d: 0x%lx-0x%lx %ux%u\n",
- canvas_id, canvas_addr, canvas_addr + devp->canvas_max_size, devp->canvas_w, devp->canvas_h);
- }
- }
- void vdin_canvas_auto_config(struct vdin_dev_s *devp)
- {
- int i = 0;
- int canvas_id;
- unsigned long canvas_addr;
- if ((devp->format_convert == VDIN_FORMAT_CONVERT_YUV_YUV444) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_YUV_RGB ) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_RGB_YUV444) ||
- (devp->format_convert == VDIN_FORMAT_CONVERT_RGB_RGB ))
- devp->canvas_w = devp->h_active * 3;
- else
- devp->canvas_w = devp->h_active * 2;
- devp->canvas_h = devp->v_active;
- devp->canvas_max_size = PAGE_ALIGN(devp->canvas_w*devp->canvas_h);
- devp->canvas_max_num = devp->mem_size / devp->canvas_max_size;
- if (devp->canvas_max_num > VDIN_CANVAS_MAX_CNT)
- devp->canvas_max_num = VDIN_CANVAS_MAX_CNT;
- pr_info("vdin%d cnavas auto configuration table:\n", devp->index);
- for (i = 0; i < devp->canvas_max_num; i++)
- {
- canvas_id = vdin_canvas_ids[devp->index][i];
- canvas_addr = devp->mem_start + devp->canvas_max_size * i;
- canvas_config(canvas_id, canvas_addr, devp->canvas_w, devp->canvas_h,
- CANVAS_ADDR_NOWRAP, CANVAS_BLKMODE_LINEAR);
- pr_info(" %3d: 0x%lx-0x%lx %ux%u\n",
- canvas_id, canvas_addr, canvas_addr + devp->canvas_max_size,
- devp->canvas_w, devp->canvas_h);
- }
- }
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