1 // SPDX-License-Identifier: GPL-2.0
54 	par->fifo_space = 0;  in aty_reset_engine()
73 	pitch_value = info->fix.line_length / (info->var.bits_per_pixel / 8);  in aty_init_engine()
74 	vxres = info->var.xres_virtual;  in aty_init_engine()
76 	if (info->var.bits_per_pixel == 24) {  in aty_init_engine()
77 		/* In 24 bpp, the engine is in 8 bpp - this requires that all */  in aty_init_engine()
89 	/* Ensure that vga page pointers are set to zero - the upper */  in aty_init_engine()
95 	/* ---- Setup standard engine context ---- */  in aty_init_engine()
97 	/* All GUI registers here are FIFOed - therefore, wait for */  in aty_init_engine()
142 	aty_st_le32(SC_BOTTOM, par->crtc.vyres - 1, par);  in aty_init_engine()
143 	aty_st_le32(SC_RIGHT, vxres - 1, par);  in aty_init_engine()
155 	/* no-effect */  in aty_init_engine()
158 	/* set primary source pixel channel to foreground color */  in aty_init_engine()
162 	/* set compare functionality to false (no-effect on */  in aty_init_engine()
171 	aty_st_le32(DP_PIX_WIDTH, par->crtc.dp_pix_width, par);  in aty_init_engine()
172 	aty_st_le32(DP_CHAIN_MASK, par->crtc.dp_chain_mask, par);  in aty_init_engine()
196 	par->blitter_may_be_busy = 1;  in draw_rect()
201 	struct atyfb_par *par = (struct atyfb_par *) info->par;  in atyfb_copyarea()
202 	u32 dy = area->dy, sy = area->sy, direction = DST_LAST_PEL;  in atyfb_copyarea()
203 	u32 sx = area->sx, dx = area->dx, width = area->width, rotation = 0;  in atyfb_copyarea()
205 	if (par->asleep)  in atyfb_copyarea()
207 	if (!area->width || !area->height)  in atyfb_copyarea()
209 	if (!par->accel_flags) {  in atyfb_copyarea()
214 	if (info->var.bits_per_pixel == 24) {  in atyfb_copyarea()
215 		/* In 24 bpp, the engine is in 8 bpp - this requires that all */  in atyfb_copyarea()
222 	if (area->sy < area->dy) {  in atyfb_copyarea()
223 		dy += area->height - 1;  in atyfb_copyarea()
224 		sy += area->height - 1;  in atyfb_copyarea()
229 		dx += width - 1;  in atyfb_copyarea()
230 		sx += width - 1;  in atyfb_copyarea()
234 	if (info->var.bits_per_pixel == 24) {  in atyfb_copyarea()
239 	aty_st_le32(DP_PIX_WIDTH, par->crtc.dp_pix_width, par);  in atyfb_copyarea()
242 	aty_st_le32(SRC_HEIGHT1_WIDTH1, (width << 16) | area->height, par);  in atyfb_copyarea()
244 	draw_rect(dx, dy, width, area->height, par);  in atyfb_copyarea()
249 	struct atyfb_par *par = (struct atyfb_par *) info->par;  in atyfb_fillrect()
250 	u32 color, dx = rect->dx, width = rect->width, rotation = 0;  in atyfb_fillrect()
252 	if (par->asleep)  in atyfb_fillrect()
254 	if (!rect->width || !rect->height)  in atyfb_fillrect()
256 	if (!par->accel_flags) {  in atyfb_fillrect()
261 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||  in atyfb_fillrect()
262 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)  in atyfb_fillrect()
263 		color = ((u32 *)(info->pseudo_palette))[rect->color];  in atyfb_fillrect()
265 		color = rect->color;  in atyfb_fillrect()
267 	if (info->var.bits_per_pixel == 24) {  in atyfb_fillrect()
268 		/* In 24 bpp, the engine is in 8 bpp - this requires that all */  in atyfb_fillrect()
276 	aty_st_le32(DP_PIX_WIDTH, par->crtc.dp_pix_width, par);  in atyfb_fillrect()
284 	draw_rect(dx, rect->dy, width, rect->height, par);  in atyfb_fillrect()
289 	struct atyfb_par *par = (struct atyfb_par *) info->par;  in atyfb_imageblit()
290 	u32 src_bytes, dx = image->dx, dy = image->dy, width = image->width;  in atyfb_imageblit()
293 	if (par->asleep)  in atyfb_imageblit()
295 	if (!image->width || !image->height)  in atyfb_imageblit()
297 	if (!par->accel_flags ||  in atyfb_imageblit()
298 	    (image->depth != 1 && info->var.bits_per_pixel != image->depth)) {  in atyfb_imageblit()
303 	pix_width = par->crtc.dp_pix_width;  in atyfb_imageblit()
305 	switch (image->depth) {  in atyfb_imageblit()
336 	if (info->var.bits_per_pixel == 24) {  in atyfb_imageblit()
337 		/* In 24 bpp, the engine is in 8 bpp - this requires that all */  in atyfb_imageblit()
349 		 * this hwaccelerated triple has an issue with not aligned data  in atyfb_imageblit()
351 		if (image->depth == 1 && M64_HAS(HW_TRIPLE) && image->width % 8 == 0)  in atyfb_imageblit()
355 	if (image->depth == 1) {  in atyfb_imageblit()
357 		if (info->fix.visual == FB_VISUAL_TRUECOLOR ||  in atyfb_imageblit()
358 		    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {  in atyfb_imageblit()
359 			fg = ((u32*)(info->pseudo_palette))[image->fg_color];  in atyfb_imageblit()
360 			bg = ((u32*)(info->pseudo_palette))[image->bg_color];  in atyfb_imageblit()
362 			fg = image->fg_color;  in atyfb_imageblit()
363 			bg = image->bg_color;  in atyfb_imageblit()
383 	draw_rect(dx, dy, width, image->height, par);  in atyfb_imageblit()
384 	src_bytes = (((image->width * image->depth) + 7) / 8) * image->height;  in atyfb_imageblit()
386 	/* manual triple each pixel */  in atyfb_imageblit()
387 	if (image->depth == 1 && info->var.bits_per_pixel == 24 && !(pix_width & DP_HOST_TRIPLE_EN)) {  in atyfb_imageblit()
389 		u8 *pbitmapin = (u8*)image->data, *pbitmapout;  in atyfb_imageblit()
392 		for (width = image->width, inbit = 7, mult24 = 0; src_bytes; ) {  in atyfb_imageblit()
396 				for (outbit = 7; outbit >= 0; outbit--) {  in atyfb_imageblit()
402 						inbit--;  in atyfb_imageblit()
403 						width--;  in atyfb_imageblit()
408 						src_bytes--;  in atyfb_imageblit()
413 						    width = image->width;  in atyfb_imageblit()
424 		for (pbitmap = (u32*)(image->data); dwords; dwords--, pbitmap++) {  in atyfb_imageblit()