1 // SPDX-License-Identifier: GPL-2.0+
3  * (C) Copyright 2005-2009
4  * Jens Scharsig @ BuS Elektronik GmbH & Co. KG, <esw@bus-elektronik.de>
25 		writel(PIN, &pio->PORT.per); \
26 		writel(PIN, &pio->PORT.DDR); \
27 		writel(PIN, &pio->PORT.mddr); \
29 			writel(PIN, &pio->PORT.puer); \
32 #define VCXK_SET_PIN(PORT, PIN)	writel(PIN, &pio->PORT.sodr);
33 #define VCXK_CLR_PIN(PORT, PIN)	writel(PIN, &pio->PORT.codr);
36 	(!(readl(&pio->CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT.pdsr) & \
64 	#define VCXK_BWS(x, data)		vcxk_bws[x] = data;  argument
67 	#define VCXK_BWS_LONG(x, data)		vcxk_bws_long[x] = data;  argument
72 	#define VCXK_BWS(x,data)	\  argument
73 		double_bws[x] = data; vcxk_bws[x] = data;
80 	#define VCXK_BWS_LONG(x,data) \  argument
81 		double_bws_long[x] = data; vcxk_bws_long[x] = data;
108  * width	visible display width in pixel
113 int vcxk_init(unsigned long width, unsigned long height)  in vcxk_init()  argument
126 	display_width  = width;  in vcxk_init()
129 	display_bwidth = ((width + 31) / 8) & ~0x3;  in vcxk_init()
131 	display_bwidth = ((width + 15) / 8) & ~0x1;  in vcxk_init()
318  * copies a monochrom bitmap (BMP-Format) from given memory
332 	for (ycnt = cp_height; ycnt > 0; ycnt--) {  in vcxk_draw_mono()
336 				vcxk_setpixel(xcnt, ycnt - 1, 0xFFFFFF);  in vcxk_draw_mono()
338 				vcxk_setpixel(xcnt, ycnt-1, 0);  in vcxk_draw_mono()
350  * copies a bitmap (BMP-Format) to the given position
361 	unsigned long width;  in vcxk_display_bitmap()  local
372 	if ((bmp->header.signature[0] == 'B') &&  in vcxk_display_bitmap()
373 	    (bmp->header.signature[1] == 'M')) {  in vcxk_display_bitmap()
374 		width        = le32_to_cpu(bmp->header.width);  in vcxk_display_bitmap()
375 		height       = le32_to_cpu(bmp->header.height);  in vcxk_display_bitmap()
376 		bpp          = le16_to_cpu(bmp->header.bit_count);  in vcxk_display_bitmap()
379 				le32_to_cpu(bmp->header.data_offset);  in vcxk_display_bitmap()
381 		if (display_width < (width + x))  in vcxk_display_bitmap()
382 			c_width = display_width - x;  in vcxk_display_bitmap()
384 			c_width = width;  in vcxk_display_bitmap()
386 			c_height = display_height - y;  in vcxk_display_bitmap()
390 		lw = (((width + 7) / 8) + 3) & ~0x3;  in vcxk_display_bitmap()
393 			dataptr = dataptr + lw * (height - c_height);  in vcxk_display_bitmap()