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https://github.com/brain-hackers/u-boot-brain
synced 2024-08-18 07:58:52 +09:00
![Wolfgang Wegner](/assets/img/avatar_default.png)
Prototype for gunzip/zunzip was only in lib_generic/gunzip.c and thus repeated in every file using it. This patch moves the prototypes to common.h and removes all prototypes distributed anywhere else. Signed-off-by: Wolfgang Wegner <w.wegner@astro-kom.de>
166 lines
3.8 KiB
C
166 lines
3.8 KiB
C
/*
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* BF533-STAMP splash driver
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*
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* Copyright (c) 2006-2008 Analog Devices Inc.
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* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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* (C) Copyright 2002
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* Wolfgang Denk, wd@denx.de
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <stdarg.h>
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#include <common.h>
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#include <config.h>
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#include <malloc.h>
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#include <asm/blackfin.h>
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#include <asm/mach-common/bits/dma.h>
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#include <i2c.h>
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#include <linux/types.h>
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#include <stdio_dev.h>
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#define DMA_SIZE16 2
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#include <asm/mach-common/bits/ppi.h>
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#define NTSC_FRAME_ADDR 0x06000000
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#include "video.h"
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/* NTSC OUTPUT SIZE 720 * 240 */
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#define VERTICAL 2
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#define HORIZONTAL 4
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int is_vblank_line(const int line)
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{
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/*
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* This array contains a single bit for each line in
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* an NTSC frame.
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*/
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if ((line <= 18) || (line >= 264 && line <= 281) || (line == 528))
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return true;
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return false;
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}
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int NTSC_framebuffer_init(char *base_address)
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{
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const int NTSC_frames = 1;
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const int NTSC_lines = 525;
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char *dest = base_address;
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int frame_num, line_num;
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for (frame_num = 0; frame_num < NTSC_frames; ++frame_num) {
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for (line_num = 1; line_num <= NTSC_lines; ++line_num) {
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unsigned int code;
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int offset = 0;
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int i;
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if (is_vblank_line(line_num))
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offset++;
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if (line_num > 266 || line_num < 3)
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offset += 2;
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/* Output EAV code */
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code = system_code_map[offset].eav;
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write_dest_byte((char)(code >> 24) & 0xff);
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write_dest_byte((char)(code >> 16) & 0xff);
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write_dest_byte((char)(code >> 8) & 0xff);
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write_dest_byte((char)(code) & 0xff);
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/* Output horizontal blanking */
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for (i = 0; i < 67 * 2; ++i) {
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write_dest_byte(0x80);
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write_dest_byte(0x10);
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}
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/* Output SAV */
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code = system_code_map[offset].sav;
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write_dest_byte((char)(code >> 24) & 0xff);
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write_dest_byte((char)(code >> 16) & 0xff);
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write_dest_byte((char)(code >> 8) & 0xff);
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write_dest_byte((char)(code) & 0xff);
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/* Output empty horizontal data */
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for (i = 0; i < 360 * 2; ++i) {
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write_dest_byte(0x80);
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write_dest_byte(0x10);
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}
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}
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}
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return dest - base_address;
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}
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void fill_frame(char *Frame, int Value)
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{
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int *OddPtr32;
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int OddLine;
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int *EvenPtr32;
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int EvenLine;
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int i;
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int *data;
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int m, n;
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/* fill odd and even frames */
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for (OddLine = 22, EvenLine = 285; OddLine < 263; OddLine++, EvenLine++) {
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OddPtr32 = (int *)((Frame + (OddLine * 1716)) + 276);
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EvenPtr32 = (int *)((Frame + (EvenLine * 1716)) + 276);
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for (i = 0; i < 360; i++, OddPtr32++, EvenPtr32++) {
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*OddPtr32 = Value;
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*EvenPtr32 = Value;
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}
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}
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for (m = 0; m < VERTICAL; m++) {
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data = (int *)u_boot_logo.data;
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for (OddLine = (22 + m), EvenLine = (285 + m);
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OddLine < (u_boot_logo.height * VERTICAL) + (22 + m);
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OddLine += VERTICAL, EvenLine += VERTICAL) {
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OddPtr32 = (int *)((Frame + ((OddLine) * 1716)) + 276);
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EvenPtr32 =
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(int *)((Frame + ((EvenLine) * 1716)) + 276);
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for (i = 0; i < u_boot_logo.width / 2; i++) {
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/* enlarge one pixel to m x n */
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for (n = 0; n < HORIZONTAL; n++) {
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*OddPtr32++ = *data;
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*EvenPtr32++ = *data;
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}
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data++;
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}
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}
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}
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}
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static void video_init(char *NTSCFrame)
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{
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NTSC_framebuffer_init(NTSCFrame);
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fill_frame(NTSCFrame, BLUE);
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bfin_write_PPI_CONTROL(0x0082);
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bfin_write_PPI_FRAME(0x020D);
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bfin_write_DMA0_START_ADDR(NTSCFrame);
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bfin_write_DMA0_X_COUNT(0x035A);
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bfin_write_DMA0_X_MODIFY(0x0002);
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bfin_write_DMA0_Y_COUNT(0x020D);
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bfin_write_DMA0_Y_MODIFY(0x0002);
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bfin_write_DMA0_CONFIG(0x1015);
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bfin_write_PPI_CONTROL(0x0083);
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}
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int drv_video_init(void)
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{
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struct stdio_dev videodev;
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video_init((void *)NTSC_FRAME_ADDR);
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memset(&videodev, 0, sizeof(videodev));
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strcpy(videodev.name, "video");
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videodev.ext = DEV_EXT_VIDEO;
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videodev.flags = DEV_FLAGS_SYSTEM;
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return stdio_register(&videodev);
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}
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