via/engine/crtc2.c

78 status_t eng_crtc2_set_timing(display_mode target)
113 		target.timing.h_sync_start =
115 			target.timing.h_display)) & 0xfff8;
117 		target.timing.h_sync_end =
119 			target.timing.h_display)) & 0xfff8;
121 		target.timing.h_total =
123 			target.timing.h_display)) & 0xfff8) - 8;
127 		if (target.timing.h_display == si->ps.p2_timing.h_display)
131 				target.timing.h_total -= 56;
134 				target.timing.h_total -= 32;
137 		if (target.timing.h_sync_start == target.timing.h_display)
138 			target.timing.h_sync_start += 8;
139 		if (target.timing.h_sync_end == target.timing.h_total)
140 			target.timing.h_sync_end -= 8;
143 		target.timing.v_sync_start =
145 			target.timing.v_display));
147 		target.timing.v_sync_end =
149 			target.timing.v_display));
151 		target.timing.v_total =
153 			target.timing.v_display)) - 1;
155 		if (target.timing.v_sync_start == target.timing.v_display)
156 			target.timing.v_sync_start += 1;
157 		if (target.timing.v_sync_end == target.timing.v_total)
158 			target.timing.v_sync_end -= 1;
165 	htotal = ((target.timing.h_total >> 3) - 5);
166 	hdisp_e = ((target.timing.h_display >> 3) - 1);
169 	hsync_s = (target.timing.h_sync_start >> 3);
170 	hsync_e = (target.timing.h_sync_end >> 3);
172 	vtotal = target.timing.v_total - 2;
173 	vdisp_e = target.timing.v_display - 1;
176 	vsync_s = target.timing.v_sync_start;//-1;
177 	vsync_e = target.timing.v_sync_end;//-1;
180 	linecomp = target.timing.v_display;
259 		if (target.timing.h_display >= 1280)
267 		if (target.timing.flags & B_POSITIVE_HSYNC)
277 		if (target.timing.flags & B_POSITIVE_VSYNC)
306 		iscale_x = (((1 << 12) * target.timing.h_display) / si->ps.p2_timing.h_display);
307 		iscale_y = (((1 << 12) * target.timing.v_display) / si->ps.p2_timing.v_display);
347 			dm_aspect = (target.timing.h_display / ((float)target.timing.v_display));
351 				DAC2W(FP_DEBUG2, ((1 << 28) | ((target.timing.v_display - 1) << 16)));
385 						(target.timing.h_display * ((1 << 12) / ((float)iscale_x))))