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u-boot/drivers/video/bus_vcxk.c
Simon Glass 1c3dbe56f7 Remove typedefs from bmp_layout.h 
We try to avoid typedefs and these ones are easy enough to remove. Before
changing this header in the next patch, remove the typedefs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: Joe Hershberger <joe.hershberger@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2015-06-10 19:26:54 -06:00

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/*
* (C) Copyright 2005-2009
* Jens Scharsig @ BuS Elektronik GmbH & Co. KG, <esw@bus-elektronik.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <bmp_layout.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 */
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