DECLARE_GLOBAL_DATA_PTR;
-#if IS_ENABLED(CONFIG_VIDEO_VCXK)
-extern unsigned long display_width;
-extern unsigned long display_height;
-#endif
-
/*---------------------------------------------------------------------------*/
int checkboard (void)
MCFGPTA_GPTPORT &= ~(1 << 3);
}
-#if IS_ENABLED(CONFIG_VIDEO_VCXK)
-int drv_video_init(void)
-{
- char *s;
-#ifdef CONFIG_SPLASH_SCREEN
- unsigned long splash;
-#endif
- printf("Init Video as ");
- s = env_get("displaywidth");
- if (s != NULL)
- display_width = dectoul(s, NULL);
- else
- display_width = 256;
-
- s = env_get("displayheight");
- if (s != NULL)
- display_height = dectoul(s, NULL);
- else
- display_height = 256;
-
- printf("%lu x %lu pixel matrix\n", display_width, display_height);
-
- MCFCCM_CCR &= ~MCFCCM_CCR_SZEN;
- MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2;
-
- vcxk_init(display_width, display_height);
-
-#ifdef CONFIG_SPLASH_SCREEN
- s = env_get("splashimage");
- if (s != NULL) {
- splash = hextoul(s, NULL);
- vcxk_acknowledge_wait();
- video_display_bitmap(splash, 0, 0);
- }
-#endif
- return 0;
-}
-#endif
-
-/*---------------------------------------------------------------------------*/
-
-#if IS_ENABLED(CONFIG_VIDEO_VCXK)
-int do_brightness(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
- int rcode = 0;
- ulong side;
- ulong bright;
-
- switch (argc) {
- case 3:
- side = dectoul(argv[1], NULL);
- bright = dectoul(argv[2], NULL);
- if ((side >= 0) && (side <= 3) &&
- (bright >= 0) && (bright <= 1000)) {
- vcxk_setbrightness(side, bright);
- rcode = 0;
- } else {
- printf("parameters out of range\n");
- printf("Usage:\n%s\n", cmdtp->usage);
- rcode = 1;
- }
- break;
- default:
- printf("Usage:\n%s\n", cmdtp->usage);
- rcode = 1;
- break;
- }
- return rcode;
-}
-
/*---------------------------------------------------------------------------*/
-U_BOOT_CMD(
- bright, 3, 0, do_brightness,
- "sets the display brightness\n",
- " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n"
-);
-
-#endif
/* EOF EB+MCF-EV123.c */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2005-2009
- * Jens Scharsig @ BuS Elektronik GmbH & Co. KG, <esw@bus-elektronik.de>
- */
-
-#include <common.h>
-#include <bmp_layout.h>
-#include <log.h>
-#include <asm/io.h>
-
-vu_char *vcxk_bws = ((vu_char *) (CONFIG_SYS_VCXK_BASE));
-vu_short *vcxk_bws_word = ((vu_short *)(CONFIG_SYS_VCXK_BASE));
-vu_long *vcxk_bws_long = ((vu_long *) (CONFIG_SYS_VCXK_BASE));
-
-#ifdef CONFIG_AT91RM9200
- #include <asm/arch/hardware.h>
- #include <asm/arch/at91_pio.h>
-
- #ifndef VCBITMASK
- #define VCBITMASK(bitno) (0x0001 << (bitno % 16))
- #endif
-at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
-#define VCXK_INIT_PIN(PORT, PIN, DDR, I0O1) \
- do { \
- writel(PIN, &pio->PORT.per); \
- writel(PIN, &pio->PORT.DDR); \
- writel(PIN, &pio->PORT.mddr); \
- if (!I0O1) \
- writel(PIN, &pio->PORT.puer); \
- } while (0);
-
-#define VCXK_SET_PIN(PORT, PIN) writel(PIN, &pio->PORT.sodr);
-#define VCXK_CLR_PIN(PORT, PIN) writel(PIN, &pio->PORT.codr);
-
-#define VCXK_ACKNOWLEDGE \
- (!(readl(&pio->CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT.pdsr) & \
- CONFIG_SYS_VCXK_ACKNOWLEDGE_PIN))
-#elif defined(CONFIG_MCF52x2)
- #include <asm/m5282.h>
- #ifndef VCBITMASK
- #define VCBITMASK(bitno) (0x8000 >> (bitno % 16))
- #endif
-
- #define VCXK_INIT_PIN(PORT, PIN, DDR, I0O1) \
- if (I0O1) DDR |= PIN; else DDR &= ~PIN;
-
- #define VCXK_SET_PIN(PORT, PIN) PORT |= PIN;
- #define VCXK_CLR_PIN(PORT, PIN) PORT &= ~PIN;
-
- #define VCXK_ACKNOWLEDGE \
- (!(CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT & \
- CONFIG_SYS_VCXK_ACKNOWLEDGE_PIN))
-
-#else
- #error no vcxk support for selected ARCH
-#endif
-
-#define VCXK_DISABLE\
- VCXK_SET_PIN(CONFIG_SYS_VCXK_ENABLE_PORT, CONFIG_SYS_VCXK_ENABLE_PIN)
-#define VCXK_ENABLE\
- VCXK_CLR_PIN(CONFIG_SYS_VCXK_ENABLE_PORT, CONFIG_SYS_VCXK_ENABLE_PIN)
-
-#ifndef CONFIG_SYS_VCXK_DOUBLEBUFFERED
- #define VCXK_BWS(x, data) vcxk_bws[x] = data;
- #define VCXK_BWS_WORD_SET(x, mask) vcxk_bws_word[x] |= mask;
- #define VCXK_BWS_WORD_CLEAR(x, mask) vcxk_bws_word[x] &= ~mask;
- #define VCXK_BWS_LONG(x, data) vcxk_bws_long[x] = data;
-#else
- u_char double_bws[16384];
- u_short *double_bws_word;
- u_long *double_bws_long;
- #define VCXK_BWS(x,data) \
- double_bws[x] = data; vcxk_bws[x] = data;
- #define VCXK_BWS_WORD_SET(x,mask) \
- double_bws_word[x] |= mask; \
- vcxk_bws_word[x] = double_bws_word[x];
- #define VCXK_BWS_WORD_CLEAR(x,mask) \
- double_bws_word[x] &= ~mask; \
- vcxk_bws_word[x] = double_bws_word[x];
- #define VCXK_BWS_LONG(x,data) \
- double_bws_long[x] = data; vcxk_bws_long[x] = data;
-#endif
-
-#define VC4K16_Bright1 vcxk_bws_word[0x20004 / 2]
-#define VC4K16_Bright2 vcxk_bws_word[0x20006 / 2]
-#define VC2K_Bright vcxk_bws[0x8000]
-#define VC8K_BrightH vcxk_bws[0xC000]
-#define VC8K_BrightL vcxk_bws[0xC001]
-
-vu_char VC4K16;
-
-u_long display_width;
-u_long display_height;
-u_long display_bwidth;
-
-ulong search_vcxk_driver(void);
-void vcxk_cls(void);
-void vcxk_setbrightness(unsigned int side, short brightness);
-int vcxk_request(void);
-int vcxk_acknowledge_wait(void);
-void vcxk_clear(void);
-
-/*
- ****f* bus_vcxk/vcxk_init
- * FUNCTION
- * initialalize Video Controller
- * PARAMETERS
- * width visible display width in pixel
- * height visible display height in pixel
- ***
- */
-
-int vcxk_init(unsigned long width, unsigned long height)
-{
-#ifdef CONFIG_SYS_VCXK_RESET_PORT
- VCXK_INIT_PIN(CONFIG_SYS_VCXK_RESET_PORT,
- CONFIG_SYS_VCXK_RESET_PIN, CONFIG_SYS_VCXK_RESET_DDR, 1)
- VCXK_SET_PIN(CONFIG_SYS_VCXK_RESET_PORT, CONFIG_SYS_VCXK_RESET_PIN);
-#endif
-
-#ifdef CONFIG_SYS_VCXK_DOUBLEBUFFERED
- double_bws_word = (u_short *)double_bws;
- double_bws_long = (u_long *)double_bws;
- debug("%px %px %px\n", double_bws, double_bws_word, double_bws_long);
-#endif
- display_width = width;
- display_height = height;
-#if (CONFIG_SYS_VCXK_DEFAULT_LINEALIGN == 4)
- display_bwidth = ((width + 31) / 8) & ~0x3;
-#elif (CONFIG_SYS_VCXK_DEFAULT_LINEALIGN == 2)
- display_bwidth = ((width + 15) / 8) & ~0x1;
-#else
- #error CONFIG_SYS_VCXK_DEFAULT_LINEALIGN is invalid
-#endif
- debug("linesize ((%ld + 15) / 8 & ~0x1) = %ld\n",
- display_width, display_bwidth);
-
-#ifdef CONFIG_SYS_VCXK_AUTODETECT
- VC4K16 = 0;
- vcxk_bws_long[1] = 0x0;
- vcxk_bws_long[1] = 0x55AAAA55;
- vcxk_bws_long[5] = 0x0;
- if (vcxk_bws_long[1] == 0x55AAAA55)
- VC4K16 = 1;
-#else
- VC4K16 = 1;
- debug("No autodetect: use vc4k\n");
-#endif
-
- VCXK_INIT_PIN(CONFIG_SYS_VCXK_INVERT_PORT,
- CONFIG_SYS_VCXK_INVERT_PIN, CONFIG_SYS_VCXK_INVERT_DDR, 1)
- VCXK_SET_PIN(CONFIG_SYS_VCXK_INVERT_PORT, CONFIG_SYS_VCXK_INVERT_PIN)
-
- VCXK_SET_PIN(CONFIG_SYS_VCXK_REQUEST_PORT, CONFIG_SYS_VCXK_REQUEST_PIN);
- VCXK_INIT_PIN(CONFIG_SYS_VCXK_REQUEST_PORT,
- CONFIG_SYS_VCXK_REQUEST_PIN, CONFIG_SYS_VCXK_REQUEST_DDR, 1)
-
- VCXK_INIT_PIN(CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT,
- CONFIG_SYS_VCXK_ACKNOWLEDGE_PIN,
- CONFIG_SYS_VCXK_ACKNOWLEDGE_DDR, 0)
-
- VCXK_DISABLE;
- VCXK_INIT_PIN(CONFIG_SYS_VCXK_ENABLE_PORT,
- CONFIG_SYS_VCXK_ENABLE_PIN, CONFIG_SYS_VCXK_ENABLE_DDR, 1)
-
- vcxk_cls();
- vcxk_cls(); /* clear second/hidden page */
-
- vcxk_setbrightness(3, 1000);
- VCXK_ENABLE;
- return 1;
-}
-
-/*
- ****f* bus_vcxk/vcxk_setpixel
- * FUNCTION
- * set the pixel[x,y] with the given color
- * PARAMETER
- * x pixel colum
- * y pixel row
- * color <0x40 off/black
- * >0x40 on
- ***
- */
-
-void vcxk_setpixel(int x, int y, unsigned long color)
-{
- vu_short dataptr;
-
- if ((x < display_width) && (y < display_height)) {
- dataptr = ((x / 16)) + (y * (display_bwidth >> 1));
-
- color = ((color >> 16) & 0xFF) |
- ((color >> 8) & 0xFF) | (color & 0xFF);
-
- if (color > 0x40) {
- VCXK_BWS_WORD_SET(dataptr, VCBITMASK(x));
- } else {
- VCXK_BWS_WORD_CLEAR(dataptr, VCBITMASK(x));
- }
- }
-}
-
-/*
- ****f* bus_vcxk/vcxk_loadimage
- * FUNCTION
- * copies a binary image to display memory
- ***
- */
-
-void vcxk_loadimage(ulong source)
-{
- int cnt;
- vcxk_acknowledge_wait();
- if (VC4K16) {
- for (cnt = 0; cnt < (16384 / 4); cnt++) {
- VCXK_BWS_LONG(cnt, (*(ulong *) source));
- source = source + 4;
- }
- } else {
- for (cnt = 0; cnt < 16384; cnt++) {
- VCXK_BWS_LONG(cnt*2, (*(vu_char *) source));
- source++;
- }
- }
- vcxk_request();
-}
-
-/*
- ****f* bus_vcxk/vcxk_cls
- * FUNCTION
- * clear the display
- ***
- */
-
-void vcxk_cls(void)
-{
- vcxk_acknowledge_wait();
- vcxk_clear();
- vcxk_request();
-}
-
-/*
- ****f* bus_vcxk/vcxk_clear(void)
- * FUNCTION
- * clear the display memory
- ***
- */
-
-void vcxk_clear(void)
-{
- int cnt;
-
- for (cnt = 0; cnt < (16384 / 4); cnt++) {
- VCXK_BWS_LONG(cnt, 0)
- }
-}
-
-/*
- ****f* bus_vcxk/vcxk_setbrightness
- * FUNCTION
- * set the display brightness
- * PARAMETER
- * side 1 set front side brightness
- * 2 set back side brightness
- * 3 set brightness for both sides
- * brightness 0..1000
- ***
- */
-
-void vcxk_setbrightness(unsigned int side, short brightness)
-{
- if (VC4K16) {
- if ((side == 0) || (side & 0x1))
- VC4K16_Bright1 = brightness + 23;
- if ((side == 0) || (side & 0x2))
- VC4K16_Bright2 = brightness + 23;
- } else {
- VC2K_Bright = (brightness >> 4) + 2;
- VC8K_BrightH = (brightness + 23) >> 8;
- VC8K_BrightL = (brightness + 23) & 0xFF;
- }
-}
-
-/*
- ****f* bus_vcxk/vcxk_request
- * FUNCTION
- * requests viewing of display memory
- ***
- */
-
-int vcxk_request(void)
-{
- VCXK_CLR_PIN(CONFIG_SYS_VCXK_REQUEST_PORT,
- CONFIG_SYS_VCXK_REQUEST_PIN)
- VCXK_SET_PIN(CONFIG_SYS_VCXK_REQUEST_PORT,
- CONFIG_SYS_VCXK_REQUEST_PIN);
- return 1;
-}
-
-/*
- ****f* bus_vcxk/vcxk_acknowledge_wait
- * FUNCTION
- * wait for acknowledge viewing requests
- ***
- */
-
-int vcxk_acknowledge_wait(void)
-{
- while (VCXK_ACKNOWLEDGE)
- ;
- return 1;
-}
-
-/*
- ****f* bus_vcxk/vcxk_draw_mono
- * FUNCTION
- * copies a monochrom bitmap (BMP-Format) from given memory
- * PARAMETER
- * dataptr pointer to bitmap
- * x output bitmap @ columne
- * y output bitmap @ row
- ***
- */
-
-void vcxk_draw_mono(unsigned char *dataptr, unsigned long linewidth,
- unsigned long cp_width, unsigned long cp_height)
-{
- unsigned char *lineptr;
- unsigned long xcnt, ycnt;
-
- for (ycnt = cp_height; ycnt > 0; ycnt--) {
- lineptr = dataptr;
- for (xcnt = 0; xcnt < cp_width; xcnt++) {
- if ((*lineptr << (xcnt % 8)) & 0x80)
- vcxk_setpixel(xcnt, ycnt - 1, 0xFFFFFF);
- else
- vcxk_setpixel(xcnt, ycnt-1, 0);
-
- if ((xcnt % 8) == 7)
- lineptr++;
- } /* endfor xcnt */
- dataptr = dataptr + linewidth;
- } /* endfor ycnt */
-}
-
-/*
- ****f* bus_vcxk/vcxk_display_bitmap
- * FUNCTION
- * copies a bitmap (BMP-Format) to the given position
- * PARAMETER
- * addr pointer to bitmap
- * x output bitmap @ columne
- * y output bitmap @ row
- ***
- */
-
-int vcxk_display_bitmap(ulong addr, int x, int y)
-{
- struct bmp_image *bmp;
- unsigned long width;
- unsigned long height;
- unsigned long bpp;
-
- unsigned long lw;
-
- unsigned long c_width;
- unsigned long c_height;
- unsigned char *dataptr;
-
- bmp = (struct bmp_image *)addr;
- if ((bmp->header.signature[0] == 'B') &&
- (bmp->header.signature[1] == 'M')) {
- width = le32_to_cpu(bmp->header.width);
- height = le32_to_cpu(bmp->header.height);
- bpp = le16_to_cpu(bmp->header.bit_count);
-
- dataptr = (unsigned char *) bmp +
- le32_to_cpu(bmp->header.data_offset);
-
- if (display_width < (width + x))
- c_width = display_width - x;
- else
- c_width = width;
- if (display_height < (height + y))
- c_height = display_height - y;
- else
- c_height = height;
-
- lw = (((width + 7) / 8) + 3) & ~0x3;
-
- if (c_height < height)
- dataptr = dataptr + lw * (height - c_height);
- switch (bpp) {
- case 1:
- vcxk_draw_mono(dataptr, lw, c_width, c_height);
- break;
- default:
- printf("Error: %ld bit per pixel "
- "not supported by VCxK\n", bpp);
- return 0;
- }
- } else {
- printf("Error: no valid bmp at %lx\n", (ulong) bmp);
- return 0;
- }
- return 1;
-}
-
-/*
- ****f* bus_vcxk/video_display_bitmap
- ***
- */
-
-int video_display_bitmap(ulong addr, int x, int y)
-{
- vcxk_acknowledge_wait();
- if (vcxk_display_bitmap(addr, x, y)) {
- vcxk_request();
- return 0;
- }
- return 1;
-}
-
-/* EOF */
projects / u-boot.git / commitdiff
