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Diffstat (limited to 'cpu/bf537/video.c')
| -rw-r--r-- | cpu/bf537/video.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/cpu/bf537/video.c b/cpu/bf537/video.c deleted file mode 100644 index 3ff0151..0000000 --- a/cpu/bf537/video.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * (C) Copyright 2000 - * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it - * (C) Copyright 2002 - * Wolfgang Denk, wd@denx.de - * (C) Copyright 2006 - * Aubrey Li, aubrey.li@analog.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <stdarg.h> -#include <common.h> -#include <config.h> -#include <asm/blackfin.h> -#include <i2c.h> -#include <linux/types.h> -#include <devices.h> - -#ifdef CONFIG_VIDEO -#define NTSC_FRAME_ADDR 0x06000000 -#include "video.h" - -/* NTSC OUTPUT SIZE 720 * 240 */ -#define VERTICAL 2 -#define HORIZONTAL 4 - -int is_vblank_line(const int line) -{ - /* - * This array contains a single bit for each line in - * an NTSC frame. - */ - if ((line <= 18) || (line >= 264 && line <= 281) || (line == 528)) - return true; - - return false; -} - -int NTSC_framebuffer_init(char *base_address) -{ - const int NTSC_frames = 1; - const int NTSC_lines = 525; - char *dest = base_address; - int frame_num, line_num; - - for (frame_num = 0; frame_num < NTSC_frames; ++frame_num) { - for (line_num = 1; line_num <= NTSC_lines; ++line_num) { - unsigned int code; - int offset = 0; - int i; - - if (is_vblank_line(line_num)) - offset++; - - if (line_num > 266 || line_num < 3) - offset += 2; - - /* Output EAV code */ - code = SystemCodeMap[offset].EAV; - write_dest_byte((char)(code >> 24) & 0xff); - write_dest_byte((char)(code >> 16) & 0xff); - write_dest_byte((char)(code >> 8) & 0xff); - write_dest_byte((char)(code) & 0xff); - - /* Output horizontal blanking */ - for (i = 0; i < 67 * 2; ++i) { - write_dest_byte(0x80); - write_dest_byte(0x10); - } - - /* Output SAV */ - code = SystemCodeMap[offset].SAV; - write_dest_byte((char)(code >> 24) & 0xff); - write_dest_byte((char)(code >> 16) & 0xff); - write_dest_byte((char)(code >> 8) & 0xff); - write_dest_byte((char)(code) & 0xff); - - /* Output empty horizontal data */ - for (i = 0; i < 360 * 2; ++i) { - write_dest_byte(0x80); - write_dest_byte(0x10); - } - } - } - - return dest - base_address; -} - -void fill_frame(char *Frame, int Value) -{ - int *OddPtr32; - int OddLine; - int *EvenPtr32; - int EvenLine; - int i; - int *data; - int m, n; - - /* fill odd and even frames */ - for (OddLine = 22, EvenLine = 285; OddLine < 263; OddLine++, EvenLine++) { - OddPtr32 = (int *)((Frame + (OddLine * 1716)) + 276); - EvenPtr32 = (int *)((Frame + (EvenLine * 1716)) + 276); - for (i = 0; i < 360; i++, OddPtr32++, EvenPtr32++) { - *OddPtr32 = Value; - *EvenPtr32 = Value; - } - } - - for (m = 0; m < VERTICAL; m++) { - data = (int *)u_boot_logo.data; - for (OddLine = (22 + m), EvenLine = (285 + m); - OddLine < (u_boot_logo.height * VERTICAL) + (22 + m); - OddLine += VERTICAL, EvenLine += VERTICAL) { - OddPtr32 = (int *)((Frame + ((OddLine) * 1716)) + 276); - EvenPtr32 = - (int *)((Frame + ((EvenLine) * 1716)) + 276); - for (i = 0; i < u_boot_logo.width / 2; i++) { - /* enlarge one pixel to m x n */ - for (n = 0; n < HORIZONTAL; n++) { - *OddPtr32++ = *data; - *EvenPtr32++ = *data; - } - data++; - } - } - } -} - -void video_putc(const char c) -{ -} - -void video_puts(const char *s) -{ -} - -static int video_init(void) -{ - char *NTSCFrame; - NTSCFrame = (char *)NTSC_FRAME_ADDR; - NTSC_framebuffer_init(NTSCFrame); - fill_frame(NTSCFrame, BLUE); - - *pPPI_CONTROL = 0x0082; - *pPPI_FRAME = 0x020D; - - *pDMA0_START_ADDR = NTSCFrame; - *pDMA0_X_COUNT = 0x035A; - *pDMA0_X_MODIFY = 0x0002; - *pDMA0_Y_COUNT = 0x020D; - *pDMA0_Y_MODIFY = 0x0002; - *pDMA0_CONFIG = 0x1015; - *pPPI_CONTROL = 0x0083; - return 0; -} - -int drv_video_init(void) -{ - int error, devices = 1; - - device_t videodev; - - video_init(); /* Video initialization */ - - memset(&videodev, 0, sizeof(videodev)); - - strcpy(videodev.name, "video"); - videodev.ext = DEV_EXT_VIDEO; /* Video extensions */ - videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */ - videodev.putc = video_putc; /* 'putc' function */ - videodev.puts = video_puts; /* 'puts' function */ - - error = device_register(&videodev); - - return (error == 0) ? devices : error; -} -#endif |