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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/cpu/mpc8xx/video.c

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/*
* (C) Copyright 2000
* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
* (C) Copyright 2002
* Wolfgang Denk, wd@denx.de
*
* 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
*/
/* #define DEBUG */
/************************************************************************/
/* ** HEADER FILES */
/************************************************************************/
#include <stdarg.h>
#include <common.h>
#include <config.h>
#include <version.h>
#include <i2c.h>
#include <linux/types.h>
#include <devices.h>
#ifdef CONFIG_VIDEO
DECLARE_GLOBAL_DATA_PTR;
/************************************************************************/
/* ** DEBUG SETTINGS */
/************************************************************************/
#if 0
#define VIDEO_DEBUG_COLORBARS /* Force colorbars output */
#endif
/************************************************************************/
/* ** VIDEO MODE SETTINGS */
/************************************************************************/
#if 0
#define VIDEO_MODE_EXTENDED /* Allow screen size bigger than visible area */
#define VIDEO_MODE_NTSC
#endif
#define VIDEO_MODE_PAL
#if 0
#define VIDEO_BLINK /* This enables cursor blinking (under construction) */
#endif
#define VIDEO_INFO /* Show U-Boot information */
#define VIDEO_INFO_X VIDEO_LOGO_WIDTH+8
#define VIDEO_INFO_Y 16
/************************************************************************/
/* ** VIDEO ENCODER CONSTANTS */
/************************************************************************/
#ifdef CONFIG_VIDEO_ENCODER_AD7176
#include <video_ad7176.h> /* Sets encoder data, mode, and visible and active area */
#define VIDEO_I2C 1
#define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7176_ADDR
#endif
#ifdef CONFIG_VIDEO_ENCODER_AD7177
#include <video_ad7177.h> /* Sets encoder data, mode, and visible and active area */
#define VIDEO_I2C 1
#define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7177_ADDR
#endif
#ifdef CONFIG_VIDEO_ENCODER_AD7179
#include <video_ad7179.h> /* Sets encoder data, mode, and visible and active area */
#define VIDEO_I2C 1
#define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7179_ADDR
#endif
/************************************************************************/
/* ** VIDEO MODE CONSTANTS */
/************************************************************************/
#ifdef VIDEO_MODE_EXTENDED
#define VIDEO_COLS VIDEO_ACTIVE_COLS
#define VIDEO_ROWS VIDEO_ACTIVE_ROWS
#else
#define VIDEO_COLS VIDEO_VISIBLE_COLS
#define VIDEO_ROWS VIDEO_VISIBLE_ROWS
#endif
#define VIDEO_PIXEL_SIZE (VIDEO_MODE_BPP/8)
#define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Total size of buffer */
#define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2) /* Number of ints */
#define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Number of bytes per line */
#define VIDEO_BURST_LEN (VIDEO_COLS/8)
#ifdef VIDEO_MODE_YUYV
#define VIDEO_BG_COL 0x80D880D8 /* Background color in YUYV format */
#else
#define VIDEO_BG_COL 0xF8F8F8F8 /* Background color in RGB format */
#endif
/************************************************************************/
/* ** FONT AND LOGO DATA */
/************************************************************************/
#include <video_font.h> /* Get font data, width and height */
#ifdef CONFIG_VIDEO_LOGO
#include <video_logo.h> /* Get logo data, width and height */
#define VIDEO_LOGO_WIDTH DEF_U_BOOT_LOGO_WIDTH
#define VIDEO_LOGO_HEIGHT DEF_U_BOOT_LOGO_HEIGHT
#define VIDEO_LOGO_ADDR &u_boot_logo
#endif
/************************************************************************/
/* ** VIDEO CONTROLLER CONSTANTS */
/************************************************************************/
/* VCCR - VIDEO CONTROLLER CONFIGURATION REGISTER */
#define VIDEO_VCCR_VON 0 /* Video controller ON */
#define VIDEO_VCCR_CSRC 1 /* Clock source */
#define VIDEO_VCCR_PDF 13 /* Pixel display format */
#define VIDEO_VCCR_IEN 11 /* Interrupt enable */
/* VSR - VIDEO STATUS REGISTER */
#define VIDEO_VSR_CAS 6 /* Active set */
#define VIDEO_VSR_EOF 0 /* End of frame */
/* VCMR - VIDEO COMMAND REGISTER */
#define VIDEO_VCMR_BD 0 /* Blank display */
#define VIDEO_VCMR_ASEL 1 /* Active set selection */
/* VBCB - VIDEO BACKGROUND COLOR BUFFER REGISTER */
#define VIDEO_BCSR4_RESET_BIT 21 /* BCSR4 - Extern video encoder reset */
#define VIDEO_BCSR4_EXTCLK_BIT 22 /* BCSR4 - Extern clock enable */
#define VIDEO_BCSR4_VIDLED_BIT 23 /* BCSR4 - Video led disable */
/************************************************************************/
/* ** CONSOLE CONSTANTS */
/************************************************************************/
#ifdef CONFIG_VIDEO_LOGO
#define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT)
#define VIDEO_LOGO_SKIP (VIDEO_COLS - VIDEO_LOGO_WIDTH)
#else
#define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT)
#endif
#define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH)
#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
#define CONSOLE_ROW_FIRST (video_console_address)
#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE)
#define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
/*
* Simple color definitions
*/
#define CONSOLE_COLOR_BLACK 0
#define CONSOLE_COLOR_RED 1
#define CONSOLE_COLOR_GREEN 2
#define CONSOLE_COLOR_YELLOW 3
#define CONSOLE_COLOR_BLUE 4
#define CONSOLE_COLOR_MAGENTA 5
#define CONSOLE_COLOR_CYAN 6
#define CONSOLE_COLOR_GREY 13
#define CONSOLE_COLOR_GREY2 14
#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
/************************************************************************/
/* ** BITOPS MACROS */
/************************************************************************/
#define HISHORT(i) ((i >> 16)&0xffff)
#define LOSHORT(i) (i & 0xffff)
#define HICHAR(s) ((i >> 8)&0xff)
#define LOCHAR(s) (i & 0xff)
#define HI(c) ((c >> 4)&0xf)
#define LO(c) (c & 0xf)
#define SWAPINT(i) (HISHORT(i) | (LOSHORT(i) << 16))
#define SWAPSHORT(s) (HICHAR(s) | (LOCHAR(s) << 8))
#define SWAPCHAR(c) (HI(c) | (LO(c) << 4))
#define BITMASK(b) (1 << (b))
#define GETBIT(v,b) (((v) & BITMASK(b)) > 0)
#define SETBIT(v,b,d) (v = (((d)>0) ? (v) | BITMASK(b): (v) & ~BITMASK(b)))
/************************************************************************/
/* ** STRUCTURES */
/************************************************************************/
typedef struct {
unsigned char V, Y1, U, Y2;
} tYUYV;
/* This structure is based on the Video Ram in the MPC823. */
typedef struct VRAM {
unsigned hx:2, /* Horizontal sync */
vx:2, /* Vertical sync */
fx:2, /* Frame */
bx:2, /* Blank */
res1:6, /* Reserved */
vds:2, /* Video Data Select */
inter:1, /* Interrupt */
res2:2, /* Reserved */
lcyc:11, /* Loop/video cycles */
lp:1, /* Loop start/end */
lst:1; /* Last entry */
} VRAM;
/************************************************************************/
/* ** VARIABLES */
/************************************************************************/
static int
video_panning_range_x = 0, /* Video mode invisible pixels x range */
video_panning_range_y = 0, /* Video mode invisible pixels y range */
video_panning_value_x = 0, /* Video mode x panning value (absolute) */
video_panning_value_y = 0, /* Video mode y panning value (absolute) */
video_panning_factor_x = 0, /* Video mode x panning value (-127 +127) */
video_panning_factor_y = 0, /* Video mode y panning value (-127 +127) */
console_col = 0, /* Cursor col */
console_row = 0, /* Cursor row */
video_palette[16]; /* Our palette */
static const int video_font_draw_table[] =
{ 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff };
static char
video_color_fg = 0, /* Current fg color index (0-15) */
video_color_bg = 0, /* Current bg color index (0-15) */
video_enable = 0; /* Video has been initialized? */
static void
*video_fb_address, /* Frame buffer address */
*video_console_address; /* Console frame buffer start address */
/************************************************************************/
/* ** MEMORY FUNCTIONS (32bit) */
/************************************************************************/
static void memsetl (int *p, int c, int v)
{
while (c--)
*(p++) = v;
}
static void memcpyl (int *d, int *s, int c)
{
while (c--)
*(d++) = *(s++);
}
/************************************************************************/
/* ** VIDEO DRAWING AND COLOR FUNCTIONS */
/************************************************************************/
static int video_maprgb (int r, int g, int b)
{
#ifdef VIDEO_MODE_YUYV
unsigned int pR, pG, pB;
tYUYV YUYV;
unsigned int *ret = (unsigned int *) &YUYV;
/* Transform (0-255) components to (0-100) */
pR = r * 100 / 255;
pG = g * 100 / 255;
pB = b * 100 / 255;
/* Calculate YUV values (0-255) from RGB beetween 0-100 */
YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16;
YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128;
YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128;
return *ret;
#endif
#ifdef VIDEO_MODE_RGB
return ((r >> 3) << 11) | ((g > 2) << 6) | (b >> 3);
#endif
}
static void video_setpalette (int color, int r, int g, int b)
{
color &= 0xf;
video_palette[color] = video_maprgb (r, g, b);
/* Swap values if our panning offset is odd */
if (video_panning_value_x & 1)
video_palette[color] = SWAPINT (video_palette[color]);
}
static void video_fill (int color)
{
memsetl (video_fb_address, VIDEO_PIX_BLOCKS, color);
}
static void video_setfgcolor (int i)
{
video_color_fg = i & 0xf;
}
static void video_setbgcolor (int i)
{
video_color_bg = i & 0xf;
}
static int video_pickcolor (int i)
{
return video_palette[i & 0xf];
}
/* Absolute console plotting functions */
#ifdef VIDEO_BLINK
static void video_revchar (int xx, int yy)
{
int rows;
u8 *dest;
dest = video_fb_address + yy * VIDEO_LINE_LEN + xx * 2;
for (rows = VIDEO_FONT_HEIGHT; rows--; dest += VIDEO_LINE_LEN) {
switch (VIDEO_FONT_WIDTH) {
case 16:
((u32 *) dest)[6] ^= 0xffffffff;
((u32 *) dest)[7] ^= 0xffffffff;
/* FALL THROUGH */
case 12:
((u32 *) dest)[4] ^= 0xffffffff;
((u32 *) dest)[5] ^= 0xffffffff;
/* FALL THROUGH */
case 8:
((u32 *) dest)[2] ^= 0xffffffff;
((u32 *) dest)[3] ^= 0xffffffff;
/* FALL THROUGH */
case 4:
((u32 *) dest)[0] ^= 0xffffffff;
((u32 *) dest)[1] ^= 0xffffffff;
}
}
}
#endif
static void video_drawchars (int xx, int yy, unsigned char *s, int count)
{
u8 *cdat, *dest, *dest0;
int rows, offset, c;
u32 eorx, fgx, bgx;
offset = yy * VIDEO_LINE_LEN + xx * 2;
dest0 = video_fb_address + offset;
fgx = video_pickcolor (video_color_fg);
bgx = video_pickcolor (video_color_bg);
if (xx & 1) {
fgx = SWAPINT (fgx);
bgx = SWAPINT (bgx);
}
eorx = fgx ^ bgx;
switch (VIDEO_FONT_WIDTH) {
case 4:
case 8:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] =
(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
((u32 *) dest)[1] =
(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
if (VIDEO_FONT_WIDTH == 8) {
((u32 *) dest)[2] =
(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
((u32 *) dest)[3] =
(video_font_draw_table[bits & 3] & eorx) ^ bgx;
}
}
dest0 += VIDEO_FONT_WIDTH * 2;
s++;
}
break;
case 12:
case 16:
while (count--) {
cdat = video_fontdata + (*s) * (VIDEO_FONT_HEIGHT << 1);
for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] =
(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
((u32 *) dest)[1] =
(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
((u32 *) dest)[2] =
(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
((u32 *) dest)[3] =
(video_font_draw_table[bits & 3] & eorx) ^ bgx;
bits = *cdat++;
((u32 *) dest)[4] =
(video_font_draw_table[bits >> 6] & eorx) ^ bgx;
((u32 *) dest)[5] =
(video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
if (VIDEO_FONT_WIDTH == 16) {
((u32 *) dest)[6] =
(video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
((u32 *) dest)[7] =
(video_font_draw_table[bits & 3] & eorx) ^ bgx;
}
}
s++;
dest0 += VIDEO_FONT_WIDTH * 2;
}
break;
}
}
static inline void video_drawstring (int xx, int yy, char *s)
{
video_drawchars (xx, yy, (unsigned char *)s, strlen (s));
}
/* Relative to console plotting functions */
static void video_putchars (int xx, int yy, unsigned char *s, int count)
{
#ifdef CONFIG_VIDEO_LOGO
video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, s, count);
#else
video_drawchars (xx, yy, s, count);
#endif
}
static void video_putchar (int xx, int yy, unsigned char c)
{
#ifdef CONFIG_VIDEO_LOGO
video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1);
#else
video_drawchars (xx, yy, &c, 1);
#endif
}
static inline void video_putstring (int xx, int yy, unsigned char *s)
{
video_putchars (xx, yy, (unsigned char *)s, strlen ((char *)s));
}
/************************************************************************/
/* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS */
/************************************************************************/
#if !defined(CONFIG_RRVISION)
static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries)
{
int i;
for (i = 0; i < entries; i++) {
dest[i] = source[i]; /* Copy the entire record */
dest[i].fx = (!dest[i].fx) * 3; /* Negate field bit */
}
dest[0].lcyc++; /* Add a cycle to the first entry */
dest[entries - 1].lst = 1; /* Set end of ram entries */
}
#endif
static void inline video_mode_addentry (VRAM * vr,
int Hx, int Vx, int Fx, int Bx,
int VDS, int INT, int LCYC, int LP, int LST)
{
vr->hx = Hx;
vr->vx = Vx;
vr->fx = Fx;
vr->bx = Bx;
vr->vds = VDS;
vr->inter = INT;
vr->lcyc = LCYC;
vr->lp = LP;
vr->lst = LST;
}
#define ADDENTRY(a,b,c,d,e,f,g,h,i) video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i)
static int video_mode_generate (void)
{
immap_t *immap = (immap_t *) CFG_IMMR;
VRAM *vr = (VRAM *) (((void *) immap) + 0xb00); /* Pointer to the VRAM table */
int DX, X1, X2, DY, Y1, Y2, entry = 0, fifo;
/* CHECKING PARAMETERS */
if (video_panning_factor_y < -128)
video_panning_factor_y = -128;
if (video_panning_factor_y > 128)
video_panning_factor_y = 128;
if (video_panning_factor_x < -128)
video_panning_factor_x = -128;
if (video_panning_factor_x > 128)
video_panning_factor_x = 128;
/* Setting panning */
DX = video_panning_range_x = (VIDEO_ACTIVE_COLS - VIDEO_COLS) * 2;
DY = video_panning_range_y = (VIDEO_ACTIVE_ROWS - VIDEO_ROWS) / 2;
video_panning_value_x = (video_panning_factor_x + 128) * DX / 256;
video_panning_value_y = (video_panning_factor_y + 128) * DY / 256;
/* We assume these are burst units (multiplied by 2, we need it pari) */
X1 = video_panning_value_x & 0xfffe;
X2 = DX - X1;
/* We assume these are field line units (divided by 2, we need it pari) */
Y1 = video_panning_value_y & 0xfffe;
Y2 = DY - Y1;
debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n",
X1, X2, Y1, Y2, DX, DY, VIDEO_COLS);
#ifdef VIDEO_MODE_NTSC
/*
* Hx Vx Fx Bx VDS INT LCYC LP LST
*
* Retrace blanking
*/
ADDENTRY (0, 0, 3, 0, 1, 0, 3, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
/*
* Vertical blanking
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 18, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
/*
* Odd field active area (TOP)
*/
if (Y1 > 0) {
ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
}
/*
* Odd field active area
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 240 - DY, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
if (X2 > 0)
ADDENTRY (3, 0, 0, 3, 1, 0, X2, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
/*
* Odd field active area (BOTTOM)
*/
if (Y1 > 0) {
ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
}
/*
* Vertical blanking
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 4, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
/*
* Vertical blanking
*/
ADDENTRY (0, 0, 3, 0, 1, 0, 19, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
/*
* Even field active area (TOP)
*/
if (Y1 > 0) {
ADDENTRY (0, 0, 3, 0, 1, 0, Y1, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
}
/*
* Even field active area (CENTER)
*/
ADDENTRY (0, 0, 3, 0, 1, 0, 240 - DY, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 3, 3, 1, 0, 8 + X1, 0, 0);
ADDENTRY (3, 0, 3, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
if (X2 > 0)
ADDENTRY (3, 0, 3, 3, 1, 0, X2, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
/*
* Even field active area (BOTTOM)
*/
if (Y1 > 0) {
ADDENTRY (0, 0, 3, 0, 1, 0, Y2, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
}
/*
* Vertical blanking
*/
ADDENTRY (0, 0, 3, 0, 1, 0, 1, 1, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 3, 0, 1, 1, 32, 1, 1);
#endif
#ifdef VIDEO_MODE_PAL
#if defined(CONFIG_RRVISION)
#define HPW 160 /* horizontal pulse width (was 139) */
#define VPW 2 /* vertical pulse width */
#define HBP 104 /* horizontal back porch (was 112) */
#define VBP 19 /* vertical back porch (was 19) */
#define VID_R 240 /* number of rows */
debug ("[VIDEO CTRL] Starting to add controller entries...");
/*
* Even field
*/
ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, VPW, 1, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
/*
* Active area
*/
ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0);
ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1);
ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0);
/*
* Odd field
*/
ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, VPW+1, 1, 0);
ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
/*
* Active area
*/
ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0);
ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1);
ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0);
ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0);
debug ("done\n");
#else /* !CONFIG_RRVISION */
/*
* Hx Vx Fx Bx VDS INT LCYC LP LST
*
* vertical; blanking
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 22, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
/*
* active area (TOP)
*/
if (Y1 > 0) {
ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); /* 11? */
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
}
/*
* field active area (CENTER)
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 288 - DY, 1, 0); /* 265? */
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
if (X2 > 0)
ADDENTRY (3, 0, 0, 1, 1, 0, X2, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
/*
* field active area (BOTTOM)
*/
if (Y2 > 0) {
ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); /* 12? */
ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
}
/*
* field vertical; blanking
*/
ADDENTRY (0, 0, 0, 0, 1, 0, 2, 1, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
/*
* Create the other field (like this, but whit other field selected,
* one more cycle loop and a last identifier)
*/
video_mode_dupefield (vr, &vr[entry], entry);
#endif /* CONFIG_RRVISION */
#endif /* VIDEO_MODE_PAL */
/* See what FIFO are we using */
fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS);
/* Set number of lines and burst (only one frame for now) */
if (fifo) {
immap->im_vid.vid_vfcr0 = VIDEO_BURST_LEN |
(VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
} else {
immap->im_vid.vid_vfcr1 = VIDEO_BURST_LEN |
(VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
}
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_ASEL, !fifo);
/*
* Wait until changes are applied (not done)
* while (GETBIT(immap->im_vid.vid_vsr, VIDEO_VSR_CAS) == fifo) ;
*/
/* Return number of VRAM entries */
return entry * 2;
}
static void video_encoder_init (void)
{
#ifdef VIDEO_I2C
int rc;
/* Initialize the I2C */
debug ("[VIDEO ENCODER] Initializing I2C bus...\n");
i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
#ifdef CONFIG_FADS
/* Reset ADV7176 chip */
debug ("[VIDEO ENCODER] Resetting encoder...\n");
(*(int *) BCSR4) &= ~(1 << 21);
/* Wait for 5 ms inside the reset */
debug ("[VIDEO ENCODER] Waiting for encoder reset...\n");
udelay (5000);
/* Take ADV7176 out of reset */
(*(int *) BCSR4) |= 1 << 21;
/* Wait for 5 ms after the reset */
udelay (5000);
#endif /* CONFIG_FADS */
/* Send configuration */
#ifdef DEBUG
{
int i;
puts ("[VIDEO ENCODER] Configuring the encoder...\n");
printf ("Sending %zu bytes (@ %08lX) to I2C 0x%lX:\n ",
sizeof(video_encoder_data),
(ulong)video_encoder_data,
(ulong)VIDEO_I2C_ADDR);
for (i=0; i<sizeof(video_encoder_data); ++i) {
printf(" %02X", video_encoder_data[i]);
}
putc ('\n');
}
#endif /* DEBUG */
if ((rc = i2c_write (VIDEO_I2C_ADDR, 0, 1,
video_encoder_data,
sizeof(video_encoder_data))) != 0) {
printf ("i2c_send error: rc=%d\n", rc);
return;
}
#endif /* VIDEO_I2C */
return;
}
static void video_ctrl_init (void *memptr)
{
immap_t *immap = (immap_t *) CFG_IMMR;
video_fb_address = memptr;
/* Set background */
debug ("[VIDEO CTRL] Setting background color...\n");
immap->im_vid.vid_vbcb = VIDEO_BG_COL;
/* Show the background */
debug ("[VIDEO CTRL] Forcing background...\n");
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 1);
/* Turn off video controller */
debug ("[VIDEO CTRL] Turning off video controller...\n");
SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 0);
#ifdef CONFIG_FADS
/* Turn on Video Port LED */
debug ("[VIDEO CTRL] Turning off video port led...\n");
SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 1);
/* Disable internal clock */
debug ("[VIDEO CTRL] Disabling internal clock...\n");
SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 0);
#endif
/* Generate and make active a new video mode */
debug ("[VIDEO CTRL] Generating video mode...\n");
video_mode_generate ();
/* Start of frame buffer (even and odd frame, to make it working with */
/* any selected active set) */
debug ("[VIDEO CTRL] Setting frame buffer address...\n");
immap->im_vid.vid_vfaa1 =
immap->im_vid.vid_vfaa0 = (u32) video_fb_address;
immap->im_vid.vid_vfba1 =
immap->im_vid.vid_vfba0 =
(u32) video_fb_address + VIDEO_LINE_LEN;
/* YUV, Big endian, SHIFT/CLK/CLK input (BEFORE ENABLING 27MHZ EXT CLOCK) */
debug ("[VIDEO CTRL] Setting pixel mode and clocks...\n");
immap->im_vid.vid_vccr = 0x2042;
/* Configure port pins */
debug ("[VIDEO CTRL] Configuring input/output pins...\n");
immap->im_ioport.iop_pdpar = 0x1fff;
immap->im_ioport.iop_pddir = 0x0000;
#ifdef CONFIG_FADS
/* Turn on Video Port Clock - ONLY AFTER SET VCCR TO ENABLE EXTERNAL CLOCK */
debug ("[VIDEO CTRL] Turning on video clock...\n");
SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 1);
/* Turn on Video Port LED */
debug ("[VIDEO CTRL] Turning on video port led...\n");
SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 0);
#endif
#ifdef CONFIG_RRVISION
debug ("PC5->Output(1): enable PAL clock");
immap->im_ioport.iop_pcpar &= ~(0x0400);
immap->im_ioport.iop_pcdir |= 0x0400 ;
immap->im_ioport.iop_pcdat |= 0x0400 ;
debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n",
immap->im_ioport.iop_pdpar,
immap->im_ioport.iop_pddir,
immap->im_ioport.iop_pddat);
debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n",
immap->im_ioport.iop_pcpar,
immap->im_ioport.iop_pcdir,
immap->im_ioport.iop_pcdat);
#endif /* CONFIG_RRVISION */
/* Blanking the screen. */
debug ("[VIDEO CTRL] Blanking the screen...\n");
video_fill (VIDEO_BG_COL);
/*
* Turns on Aggressive Mode. Normally, turning on the caches
* will cause the screen to flicker when the caches try to
* fill. This gives the FIFO's for the Video Controller
* higher priority and prevents flickering because of
* underrun. This may still be an issue when using FLASH,
* since accessing data from Flash is so slow.
*/
debug ("[VIDEO CTRL] Turning on aggressive mode...\n");
immap->im_siu_conf.sc_sdcr = 0x40;
/* Turn on video controller */
debug ("[VIDEO CTRL] Turning on video controller...\n");
SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 1);
/* Show the display */
debug ("[VIDEO CTRL] Enabling the video...\n");
SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 0);
}
/************************************************************************/
/* ** CONSOLE FUNCTIONS */
/************************************************************************/
static void console_scrollup (void)
{
/* Copy up rows ignoring the first one */
memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2);
/* Clear the last one */
memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, VIDEO_BG_COL);
}
static inline void console_back (void)
{
console_col--;
if (console_col < 0) {
console_col = CONSOLE_COLS - 1;
console_row--;
if (console_row < 0)
console_row = 0;
}
video_putchar ( console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT, ' ');
}
static inline void console_newline (void)
{
console_row++;
console_col = 0;
/* Check if we need to scroll the terminal */
if (console_row >= CONSOLE_ROWS) {
/* Scroll everything up */
console_scrollup ();
/* Decrement row number */
console_row--;
}
}
void video_putc (const char c)
{
if (!video_enable) {
serial_putc (c);
return;
}
switch (c) {
case 13: /* Simply ignore this */
break;
case '\n': /* Next line, please */
console_newline ();
break;
case 9: /* Tab (8 chars alignment) */
console_col |= 0x0008; /* Next 8 chars boundary */
console_col &= ~0x0007; /* Set this bit to zero */
if (console_col >= CONSOLE_COLS)
console_newline ();
break;
case 8: /* Eat last character */
console_back ();
break;
default: /* Add to the console */
video_putchar ( console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT, c);
console_col++;
/* Check if we need to go to next row */
if (console_col >= CONSOLE_COLS)
console_newline ();
}
}
void video_puts (const char *s)
{
int count = strlen (s);
if (!video_enable)
while (count--)
serial_putc (*s++);
else
while (count--)
video_putc (*s++);
}
/************************************************************************/
/* ** CURSOR BLINKING FUNCTIONS */
/************************************************************************/
#ifdef VIDEO_BLINK
#define BLINK_TIMER_ID 0
#define BLINK_TIMER_HZ 2
static unsigned char blink_enabled = 0;
static timer_t blink_timer;
static void blink_update (void)
{
static int blink_row = -1, blink_col = -1, blink_old = 0;
/* Check if we have a new position to invert */
if ((console_row != blink_row) || (console_col != blink_col)) {
/* Check if we need to reverse last character */
if (blink_old)
video_revchar ( blink_col * VIDEO_FONT_WIDTH,
(blink_row
#ifdef CONFIG_VIDEO_LOGO
+ VIDEO_LOGO_HEIGHT
#endif
) * VIDEO_FONT_HEIGHT);
/* Update values */
blink_row = console_row;
blink_col = console_col;
blink_old = 0;
}
/* Reverse this character */
blink_old = !blink_old;
video_revchar ( console_col * VIDEO_FONT_WIDTH,
(console_row
#ifdef CONFIG_VIDEO_LOGO
+ VIDEO_LOGO_HEIGHT
#endif
) * VIDEO_FONT_HEIGHT);
}
/*
* Handler for blinking cursor
*/
static void blink_handler (void *arg)
{
/* Blink */
blink_update ();
/* Ack the timer */
timer_ack (&blink_timer);
}
int blink_set (int blink)
{
int ret = blink_enabled;
if (blink)
timer_enable (&blink_timer);
else
timer_disable (&blink_timer);
blink_enabled = blink;
return ret;
}
static inline void blink_close (void)
{
timer_close (&blink_timer);
}
static inline void blink_init (void)
{
timer_init (&blink_timer,
BLINK_TIMER_ID, BLINK_TIMER_HZ,
blink_handler);
}
#endif
/************************************************************************/
/* ** LOGO PLOTTING FUNCTIONS */
/************************************************************************/
#ifdef CONFIG_VIDEO_LOGO
void easylogo_plot (fastimage_t * image, void *screen, int width, int x,
int y)
{
int skip = width - image->width, xcount, ycount = image->height;
#ifdef VIDEO_MODE_YUYV
ushort *source = (ushort *) image->data;
ushort *dest = (ushort *) screen + y * width + x;
while (ycount--) {
xcount = image->width;
while (xcount--)
*dest++ = *source++;
dest += skip;
}
#endif
#ifdef VIDEO_MODE_RGB
unsigned char
*source = (unsigned short *) image->data,
*dest = (unsigned short *) screen + ((y * width) + x) * 3;
while (ycount--) {
xcount = image->width * 3;
memcpy (dest, source, xcount);
source += xcount;
dest += ycount;
}
#endif
}
static void *video_logo (void)
{
u16 *screen = video_fb_address, width = VIDEO_COLS;
#ifdef VIDEO_INFO
# ifndef CONFIG_FADS
char temp[32];
# endif
char info[80];
#endif /* VIDEO_INFO */
easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0);
#ifdef VIDEO_INFO
sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info);
sprintf (info, "(C) 2002 DENX Software Engineering");
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
info);
sprintf (info, " Wolfgang DENK, wd@denx.de");
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2,
info);
#ifndef CONFIG_FADS /* all normal boards */
/* leave one blank line */
sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
strmhz(temp, gd->cpu_clk),
gd->ram_size >> 20,
gd->bd->bi_flashsize >> 20 );
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 4,
info);
#else /* FADS :-( */
sprintf (info, "MPC823 CPU at 50 MHz on FADS823 board");
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
info);
sprintf (info, "2MB FLASH - 8MB DRAM - 4MB SRAM");
video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2,
info);
#endif
#endif
return video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN;
}
#endif
/************************************************************************/
/* ** VIDEO HIGH-LEVEL FUNCTIONS */
/************************************************************************/
static int video_init (void *videobase)
{
/* Initialize the encoder */
debug ("[VIDEO] Initializing video encoder...\n");
video_encoder_init ();
/* Initialize the video controller */
debug ("[VIDEO] Initializing video controller at %08x...\n",
(int) videobase);
video_ctrl_init (videobase);
/* Setting the palette */
video_setpalette (CONSOLE_COLOR_BLACK, 0, 0, 0);
video_setpalette (CONSOLE_COLOR_RED, 0xFF, 0, 0);
video_setpalette (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
video_setpalette (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
video_setpalette (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
video_setpalette (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
video_setpalette (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
video_setpalette (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
video_setpalette (CONSOLE_COLOR_GREY2, 0xF8, 0xF8, 0xF8);
video_setpalette (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
#ifndef CFG_WHITE_ON_BLACK
video_setfgcolor (CONSOLE_COLOR_BLACK);
video_setbgcolor (CONSOLE_COLOR_GREY2);
#else
video_setfgcolor (CONSOLE_COLOR_GREY2);
video_setbgcolor (CONSOLE_COLOR_BLACK);
#endif /* CFG_WHITE_ON_BLACK */
#ifdef CONFIG_VIDEO_LOGO
/* Paint the logo and retrieve tv base address */
debug ("[VIDEO] Drawing the logo...\n");
video_console_address = video_logo ();
#else
video_console_address = video_fb_address;
#endif
#ifdef VIDEO_BLINK
/* Enable the blinking (under construction) */
blink_init ();
blink_set (0); /* To Fix! */
#endif
/* Initialize the console */
console_col = 0;
console_row = 0;
video_enable = 1;
#ifdef VIDEO_MODE_PAL
# define VIDEO_MODE_TMP1 "PAL"
#endif
#ifdef VIDEO_MODE_NTSC
# define VIDEO_MODE_TMP1 "NTSC"
#endif
#ifdef VIDEO_MODE_YUYV
# define VIDEO_MODE_TMP2 "YCbYCr"
#endif
#ifdef VIDEO_MODE_RGB
# define VIDEO_MODE_TMP2 "RGB"
#endif
debug ( VIDEO_MODE_TMP1
" %dx%dx%d (" VIDEO_MODE_TMP2 ") on %s - console %dx%d\n",
VIDEO_COLS, VIDEO_ROWS, VIDEO_MODE_BPP,
VIDEO_ENCODER_NAME, CONSOLE_COLS, CONSOLE_ROWS);
return 0;
}
int drv_video_init (void)
{
int error, devices = 1;
device_t videodev;
video_init ((void *)(gd->fb_base)); /* Video initialization */
/* Device 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;
}
/************************************************************************/
/* ** ROM capable initialization part - needed to reserve FB memory */
/************************************************************************/
/*
* This is called early in the system initialization to grab memory
* for the video controller.
* Returns new address for monitor, after reserving video buffer memory
*
* Note that this is running from ROM, so no write access to global data.
*/
ulong video_setmem (ulong addr)
{
/* Allocate pages for the frame buffer. */
addr -= VIDEO_SIZE;
debug ("Reserving %dk for Video Framebuffer at: %08lx\n",
VIDEO_SIZE>>10, addr);
return (addr);
}
#endif