diff options
Diffstat (limited to 'drivers/video/bus_vcxk.c')
-rw-r--r-- | drivers/video/bus_vcxk.c | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/drivers/video/bus_vcxk.c b/drivers/video/bus_vcxk.c deleted file mode 100644 index 3863662d9f..0000000000 --- a/drivers/video/bus_vcxk.c +++ /dev/null @@ -1,426 +0,0 @@ -// 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 */ |