63 #define OSD_BASE(win, variant) ((variant).osd + ((win) * (variant).osd_stride))  argument
64 #define VIDOSD_A(win, variant) (OSD_BASE(win, variant) + 0x00)  argument
65 #define VIDOSD_B(win, variant) (OSD_BASE(win, variant) + 0x04)  argument
66 #define VIDOSD_C(win, variant) (OSD_BASE(win, variant) + 0x08)  argument
67 #define VIDOSD_D(win, variant) (OSD_BASE(win, variant) + 0x0C)  argument
139 	struct s3c_fb_win_variant *win[S3C_FB_MAX_WIN];  member
229 static bool s3c_fb_validate_win_bpp(struct s3c_fb_win *win, unsigned int bpp)  in s3c_fb_validate_win_bpp()  argument
231 	return win->variant.valid_bpp & VALID_BPP(bpp);  in s3c_fb_validate_win_bpp()
245 	struct s3c_fb_win *win = info->par;  in s3c_fb_check_var()  local
246 	struct s3c_fb *sfb = win->parent;  in s3c_fb_check_var()
253 	if (!s3c_fb_validate_win_bpp(win, var->bits_per_pixel)) {  in s3c_fb_check_var()
255 			win->index, var->bits_per_pixel);  in s3c_fb_check_var()
268 		if (sfb->variant.palette[win->index] != 0) {  in s3c_fb_check_var()
395 static void vidosd_set_size(struct s3c_fb_win *win, u32 size)  in vidosd_set_size()  argument
397 	struct s3c_fb *sfb = win->parent;  in vidosd_set_size()
400 	if (win->variant.osd_size_off)  in vidosd_set_size()
401 		writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant)  in vidosd_set_size()
402 				+ win->variant.osd_size_off);  in vidosd_set_size()
411 static void vidosd_set_alpha(struct s3c_fb_win *win, u32 alpha)  in vidosd_set_alpha()  argument
413 	struct s3c_fb *sfb = win->parent;  in vidosd_set_alpha()
415 	if (win->variant.has_osd_alpha)  in vidosd_set_alpha()
416 		writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant));  in vidosd_set_alpha()
425 static void shadow_protect_win(struct s3c_fb_win *win, bool protect)  in shadow_protect_win()  argument
427 	struct s3c_fb *sfb = win->parent;  in shadow_protect_win()
435 			writel(reg | SHADOWCON_WINx_PROTECT(win->index),  in shadow_protect_win()
443 			writel(reg & ~SHADOWCON_WINx_PROTECT(win->index),  in shadow_protect_win()
491 	struct s3c_fb_win *win = info->par;  in s3c_fb_set_par()  local
492 	struct s3c_fb *sfb = win->parent;  in s3c_fb_set_par()
495 	int win_no = win->index;  in s3c_fb_set_par()
504 	shadow_protect_win(win, 1);  in s3c_fb_set_par()
514 		if (win->variant.palette_sz >= 256)  in s3c_fb_set_par()
576 	vidosd_set_alpha(win, alpha);  in s3c_fb_set_par()
577 	vidosd_set_size(win, data);  in s3c_fb_set_par()
587 	sfb->enabled |= (1 << win->index);  in s3c_fb_set_par()
678 	shadow_protect_win(win, 0);  in s3c_fb_set_par()
700 				  struct s3c_fb_win *win,  in s3c_fb_update_palette()  argument
707 	palreg = sfb->regs + sfb->variant.palette[win->index];  in s3c_fb_update_palette()
710 		__func__, win->index, reg, palreg, value);  in s3c_fb_update_palette()
712 	win->palette_buffer[reg] = value;  in s3c_fb_update_palette()
717 	if (win->variant.palette_16bpp)  in s3c_fb_update_palette()
746 	struct s3c_fb_win *win = info->par;  in s3c_fb_setcolreg()  local
747 	struct s3c_fb *sfb = win->parent;  in s3c_fb_setcolreg()
751 		__func__, win->index, regno, red, green, blue);  in s3c_fb_setcolreg()
771 		if (regno < win->variant.palette_sz) {  in s3c_fb_setcolreg()
772 			val  = chan_to_field(red, &win->palette.r);  in s3c_fb_setcolreg()
773 			val |= chan_to_field(green, &win->palette.g);  in s3c_fb_setcolreg()
774 			val |= chan_to_field(blue, &win->palette.b);  in s3c_fb_setcolreg()
776 			s3c_fb_update_palette(sfb, win, regno, val);  in s3c_fb_setcolreg()
799 	struct s3c_fb_win *win = info->par;  in s3c_fb_blank()  local
800 	struct s3c_fb *sfb = win->parent;  in s3c_fb_blank()
801 	unsigned int index = win->index;  in s3c_fb_blank()
819 		shadow_protect_win(win, 1);  in s3c_fb_blank()
822 		shadow_protect_win(win, 0);  in s3c_fb_blank()
826 		shadow_protect_win(win, 1);  in s3c_fb_blank()
828 		shadow_protect_win(win, 0);  in s3c_fb_blank()
840 	shadow_protect_win(win, 1);  in s3c_fb_blank()
849 	shadow_protect_win(win, 0);  in s3c_fb_blank()
870 	struct s3c_fb_win *win	= info->par;  in s3c_fb_pan_display()  local
871 	struct s3c_fb *sfb	= win->parent;  in s3c_fb_pan_display()
872 	void __iomem *buf	= sfb->regs + win->index * 8;  in s3c_fb_pan_display()
904 	shadow_protect_win(win, 1);  in s3c_fb_pan_display()
909 	shadow_protect_win(win, 0);  in s3c_fb_pan_display()
1020 	struct s3c_fb_win *win = info->par;  in s3c_fb_ioctl()  local
1021 	struct s3c_fb *sfb = win->parent;  in s3c_fb_ioctl()
1083 static int s3c_fb_alloc_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_alloc_memory()  argument
1085 	struct s3c_fb_pd_win *windata = win->windata;  in s3c_fb_alloc_memory()
1087 	struct fb_info *fbi = win->fbinfo;  in s3c_fb_alloc_memory()
1128 static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_free_memory()  argument
1130 	struct fb_info *fbi = win->fbinfo;  in s3c_fb_free_memory()
1144 static void s3c_fb_release_win(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_release_win()  argument
1148 	if (win->fbinfo) {  in s3c_fb_release_win()
1151 			data &= ~SHADOWCON_CHx_ENABLE(win->index);  in s3c_fb_release_win()
1152 			data &= ~SHADOWCON_CHx_LOCAL_ENABLE(win->index);  in s3c_fb_release_win()
1155 		unregister_framebuffer(win->fbinfo);  in s3c_fb_release_win()
1156 		if (win->fbinfo->cmap.len)  in s3c_fb_release_win()
1157 			fb_dealloc_cmap(&win->fbinfo->cmap);  in s3c_fb_release_win()
1158 		s3c_fb_free_memory(sfb, win);  in s3c_fb_release_win()
1159 		framebuffer_release(win->fbinfo);  in s3c_fb_release_win()
1179 	struct s3c_fb_win *win;  in s3c_fb_probe_win()  local
1197 	windata = sfb->pdata->win[win_no];  in s3c_fb_probe_win()
1204 	win = fbinfo->par;  in s3c_fb_probe_win()
1205 	*res = win;  in s3c_fb_probe_win()
1207 	win->variant = *variant;  in s3c_fb_probe_win()
1208 	win->fbinfo = fbinfo;  in s3c_fb_probe_win()
1209 	win->parent = sfb;  in s3c_fb_probe_win()
1210 	win->windata = windata;  in s3c_fb_probe_win()
1211 	win->index = win_no;  in s3c_fb_probe_win()
1212 	win->palette_buffer = (u32 *)(win + 1);  in s3c_fb_probe_win()
1214 	ret = s3c_fb_alloc_memory(sfb, win);  in s3c_fb_probe_win()
1221 	if (win->variant.palette_16bpp) {  in s3c_fb_probe_win()
1223 		win->palette.r.offset = 11;  in s3c_fb_probe_win()
1224 		win->palette.r.length = 5;  in s3c_fb_probe_win()
1225 		win->palette.g.offset = 5;  in s3c_fb_probe_win()
1226 		win->palette.g.length = 6;  in s3c_fb_probe_win()
1227 		win->palette.b.offset = 0;  in s3c_fb_probe_win()
1228 		win->palette.b.length = 5;  in s3c_fb_probe_win()
1232 		win->palette.r.offset = 16;  in s3c_fb_probe_win()
1233 		win->palette.r.length = 8;  in s3c_fb_probe_win()
1234 		win->palette.g.offset = 8;  in s3c_fb_probe_win()
1235 		win->palette.g.length = 8;  in s3c_fb_probe_win()
1236 		win->palette.b.offset = 0;  in s3c_fb_probe_win()
1237 		win->palette.b.length = 8;  in s3c_fb_probe_win()
1252 	fbinfo->pseudo_palette  = &win->pseudo_palette;  in s3c_fb_probe_win()
1264 	ret = fb_alloc_cmap(&fbinfo->cmap, win->variant.palette_sz, 1);  in s3c_fb_probe_win()
1341 static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)  in s3c_fb_clear_win()  argument
1346 	writel(0, regs + sfb->variant.wincon + (win * 4));  in s3c_fb_clear_win()
1347 	writel(0, regs + VIDOSD_A(win, sfb->variant));  in s3c_fb_clear_win()
1348 	writel(0, regs + VIDOSD_B(win, sfb->variant));  in s3c_fb_clear_win()
1349 	writel(0, regs + VIDOSD_C(win, sfb->variant));  in s3c_fb_clear_win()
1353 		reg &= ~(SHADOWCON_WINx_PROTECT(win) |  in s3c_fb_clear_win()
1354 			SHADOWCON_CHx_ENABLE(win) |  in s3c_fb_clear_win()
1355 			SHADOWCON_CHx_LOCAL_ENABLE(win));  in s3c_fb_clear_win()
1368 	int win;  in s3c_fb_probe()  local
1461 	for (win = 0; win < fbdrv->variant.nr_windows; win++)  in s3c_fb_probe()
1462 		s3c_fb_clear_win(sfb, win);  in s3c_fb_probe()
1465 	for (win = 0; win < (fbdrv->variant.nr_windows - 1); win++) {  in s3c_fb_probe()
1468 		regs += (win * 8);  in s3c_fb_probe()
1477 	for (win = 0; win < fbdrv->variant.nr_windows; win++) {  in s3c_fb_probe()
1478 		if (!pd->win[win])  in s3c_fb_probe()
1481 		ret = s3c_fb_probe_win(sfb, win, fbdrv->win[win],  in s3c_fb_probe()
1482 				       &sfb->windows[win]);  in s3c_fb_probe()
1484 			dev_err(dev, "failed to create window %d\n", win);  in s3c_fb_probe()
1485 			for (; win >= 0; win--)  in s3c_fb_probe()
1486 				s3c_fb_release_win(sfb, sfb->windows[win]);  in s3c_fb_probe()
1521 	int win;  in s3c_fb_remove()  local
1525 	for (win = 0; win < S3C_FB_MAX_WIN; win++)  in s3c_fb_remove()
1526 		if (sfb->windows[win])  in s3c_fb_remove()
1527 			s3c_fb_release_win(sfb, sfb->windows[win]);  in s3c_fb_remove()
1544 	struct s3c_fb_win *win;  in s3c_fb_suspend()  local
1550 		win = sfb->windows[win_no];  in s3c_fb_suspend()
1551 		if (!win)  in s3c_fb_suspend()
1555 		s3c_fb_blank(FB_BLANK_POWERDOWN, win->fbinfo);  in s3c_fb_suspend()
1572 	struct s3c_fb_win *win;  in s3c_fb_resume()  local
1601 		win = sfb->windows[win_no];  in s3c_fb_resume()
1602 		if (!win)  in s3c_fb_resume()
1605 		shadow_protect_win(win, 1);  in s3c_fb_resume()
1609 		shadow_protect_win(win, 0);  in s3c_fb_resume()
1616 		win = sfb->windows[win_no];  in s3c_fb_resume()
1617 		if (!win)  in s3c_fb_resume()
1621 		s3c_fb_set_par(win->fbinfo);  in s3c_fb_resume()
1741 	.win[0]	= &s3c_fb_data_64xx_wins[0],
1742 	.win[1]	= &s3c_fb_data_64xx_wins[1],
1743 	.win[2]	= &s3c_fb_data_64xx_wins[2],
1744 	.win[3]	= &s3c_fb_data_64xx_wins[3],
1745 	.win[4]	= &s3c_fb_data_64xx_wins[4],
1770 	.win[0] = &(struct s3c_fb_win_variant) {
1774 	.win[1] = &(struct s3c_fb_win_variant) {