60 #define OSD_BASE(win, variant) ((variant).osd + ((win) * (variant).osd_stride))  argument
61 #define VIDOSD_A(win, variant) (OSD_BASE(win, variant) + 0x00)  argument
62 #define VIDOSD_B(win, variant) (OSD_BASE(win, variant) + 0x04)  argument
63 #define VIDOSD_C(win, variant) (OSD_BASE(win, variant) + 0x08)  argument
64 #define VIDOSD_D(win, variant) (OSD_BASE(win, variant) + 0x0C)  argument
136 	struct s3c_fb_win_variant *win[S3C_FB_MAX_WIN];  member
226 static bool s3c_fb_validate_win_bpp(struct s3c_fb_win *win, unsigned int bpp)  in s3c_fb_validate_win_bpp()  argument
228 	return win->variant.valid_bpp & VALID_BPP(bpp);  in s3c_fb_validate_win_bpp()
242 	struct s3c_fb_win *win = info->par;  in s3c_fb_check_var()  local
243 	struct s3c_fb *sfb = win->parent;  in s3c_fb_check_var()
250 	if (!s3c_fb_validate_win_bpp(win, var->bits_per_pixel)) {  in s3c_fb_check_var()
252 			win->index, var->bits_per_pixel);  in s3c_fb_check_var()
265 		if (sfb->variant.palette[win->index] != 0) {  in s3c_fb_check_var()
392 static void vidosd_set_size(struct s3c_fb_win *win, u32 size)  in vidosd_set_size()  argument
394 	struct s3c_fb *sfb = win->parent;  in vidosd_set_size()
397 	if (win->variant.osd_size_off)  in vidosd_set_size()
398 		writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant)  in vidosd_set_size()
399 				+ win->variant.osd_size_off);  in vidosd_set_size()
408 static void vidosd_set_alpha(struct s3c_fb_win *win, u32 alpha)  in vidosd_set_alpha()  argument
410 	struct s3c_fb *sfb = win->parent;  in vidosd_set_alpha()
412 	if (win->variant.has_osd_alpha)  in vidosd_set_alpha()
413 		writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant));  in vidosd_set_alpha()
422 static void shadow_protect_win(struct s3c_fb_win *win, bool protect)  in shadow_protect_win()  argument
424 	struct s3c_fb *sfb = win->parent;  in shadow_protect_win()
432 			writel(reg | SHADOWCON_WINx_PROTECT(win->index),  in shadow_protect_win()
440 			writel(reg & ~SHADOWCON_WINx_PROTECT(win->index),  in shadow_protect_win()
488 	struct s3c_fb_win *win = info->par;  in s3c_fb_set_par()  local
489 	struct s3c_fb *sfb = win->parent;  in s3c_fb_set_par()
492 	int win_no = win->index;  in s3c_fb_set_par()
501 	shadow_protect_win(win, 1);  in s3c_fb_set_par()
511 		if (win->variant.palette_sz >= 256)  in s3c_fb_set_par()
573 	vidosd_set_alpha(win, alpha);  in s3c_fb_set_par()
574 	vidosd_set_size(win, data);  in s3c_fb_set_par()
584 	sfb->enabled |= (1 << win->index);  in s3c_fb_set_par()
675 	shadow_protect_win(win, 0);  in s3c_fb_set_par()
697 				  struct s3c_fb_win *win,  in s3c_fb_update_palette()  argument
704 	palreg = sfb->regs + sfb->variant.palette[win->index];  in s3c_fb_update_palette()
707 		__func__, win->index, reg, palreg, value);  in s3c_fb_update_palette()
709 	win->palette_buffer[reg] = value;  in s3c_fb_update_palette()
714 	if (win->variant.palette_16bpp)  in s3c_fb_update_palette()
743 	struct s3c_fb_win *win = info->par;  in s3c_fb_setcolreg()  local
744 	struct s3c_fb *sfb = win->parent;  in s3c_fb_setcolreg()
748 		__func__, win->index, regno, red, green, blue);  in s3c_fb_setcolreg()
768 		if (regno < win->variant.palette_sz) {  in s3c_fb_setcolreg()
769 			val  = chan_to_field(red, &win->palette.r);  in s3c_fb_setcolreg()
770 			val |= chan_to_field(green, &win->palette.g);  in s3c_fb_setcolreg()
771 			val |= chan_to_field(blue, &win->palette.b);  in s3c_fb_setcolreg()
773 			s3c_fb_update_palette(sfb, win, regno, val);  in s3c_fb_setcolreg()
796 	struct s3c_fb_win *win = info->par;  in s3c_fb_blank()  local
797 	struct s3c_fb *sfb = win->parent;  in s3c_fb_blank()
798 	unsigned int index = win->index;  in s3c_fb_blank()
816 		shadow_protect_win(win, 1);  in s3c_fb_blank()
819 		shadow_protect_win(win, 0);  in s3c_fb_blank()
823 		shadow_protect_win(win, 1);  in s3c_fb_blank()
825 		shadow_protect_win(win, 0);  in s3c_fb_blank()
837 	shadow_protect_win(win, 1);  in s3c_fb_blank()
846 	shadow_protect_win(win, 0);  in s3c_fb_blank()
867 	struct s3c_fb_win *win	= info->par;  in s3c_fb_pan_display()  local
868 	struct s3c_fb *sfb	= win->parent;  in s3c_fb_pan_display()
869 	void __iomem *buf	= sfb->regs + win->index * 8;  in s3c_fb_pan_display()
901 	shadow_protect_win(win, 1);  in s3c_fb_pan_display()
906 	shadow_protect_win(win, 0);  in s3c_fb_pan_display()
1017 	struct s3c_fb_win *win = info->par;  in s3c_fb_ioctl()  local
1018 	struct s3c_fb *sfb = win->parent;  in s3c_fb_ioctl()
1080 static int s3c_fb_alloc_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_alloc_memory()  argument
1082 	struct s3c_fb_pd_win *windata = win->windata;  in s3c_fb_alloc_memory()
1084 	struct fb_info *fbi = win->fbinfo;  in s3c_fb_alloc_memory()
1125 static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_free_memory()  argument
1127 	struct fb_info *fbi = win->fbinfo;  in s3c_fb_free_memory()
1141 static void s3c_fb_release_win(struct s3c_fb *sfb, struct s3c_fb_win *win)  in s3c_fb_release_win()  argument
1145 	if (win->fbinfo) {  in s3c_fb_release_win()
1148 			data &= ~SHADOWCON_CHx_ENABLE(win->index);  in s3c_fb_release_win()
1149 			data &= ~SHADOWCON_CHx_LOCAL_ENABLE(win->index);  in s3c_fb_release_win()
1152 		unregister_framebuffer(win->fbinfo);  in s3c_fb_release_win()
1153 		if (win->fbinfo->cmap.len)  in s3c_fb_release_win()
1154 			fb_dealloc_cmap(&win->fbinfo->cmap);  in s3c_fb_release_win()
1155 		s3c_fb_free_memory(sfb, win);  in s3c_fb_release_win()
1156 		framebuffer_release(win->fbinfo);  in s3c_fb_release_win()
1176 	struct s3c_fb_win *win;  in s3c_fb_probe_win()  local
1192 	windata = sfb->pdata->win[win_no];  in s3c_fb_probe_win()
1199 	win = fbinfo->par;  in s3c_fb_probe_win()
1200 	*res = win;  in s3c_fb_probe_win()
1202 	win->variant = *variant;  in s3c_fb_probe_win()
1203 	win->fbinfo = fbinfo;  in s3c_fb_probe_win()
1204 	win->parent = sfb;  in s3c_fb_probe_win()
1205 	win->windata = windata;  in s3c_fb_probe_win()
1206 	win->index = win_no;  in s3c_fb_probe_win()
1207 	win->palette_buffer = (u32 *)(win + 1);  in s3c_fb_probe_win()
1209 	ret = s3c_fb_alloc_memory(sfb, win);  in s3c_fb_probe_win()
1216 	if (win->variant.palette_16bpp) {  in s3c_fb_probe_win()
1218 		win->palette.r.offset = 11;  in s3c_fb_probe_win()
1219 		win->palette.r.length = 5;  in s3c_fb_probe_win()
1220 		win->palette.g.offset = 5;  in s3c_fb_probe_win()
1221 		win->palette.g.length = 6;  in s3c_fb_probe_win()
1222 		win->palette.b.offset = 0;  in s3c_fb_probe_win()
1223 		win->palette.b.length = 5;  in s3c_fb_probe_win()
1227 		win->palette.r.offset = 16;  in s3c_fb_probe_win()
1228 		win->palette.r.length = 8;  in s3c_fb_probe_win()
1229 		win->palette.g.offset = 8;  in s3c_fb_probe_win()
1230 		win->palette.g.length = 8;  in s3c_fb_probe_win()
1231 		win->palette.b.offset = 0;  in s3c_fb_probe_win()
1232 		win->palette.b.length = 8;  in s3c_fb_probe_win()
1247 	fbinfo->pseudo_palette  = &win->pseudo_palette;  in s3c_fb_probe_win()
1259 	ret = fb_alloc_cmap(&fbinfo->cmap, win->variant.palette_sz, 1);  in s3c_fb_probe_win()
1336 static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)  in s3c_fb_clear_win()  argument
1341 	writel(0, regs + sfb->variant.wincon + (win * 4));  in s3c_fb_clear_win()
1342 	writel(0, regs + VIDOSD_A(win, sfb->variant));  in s3c_fb_clear_win()
1343 	writel(0, regs + VIDOSD_B(win, sfb->variant));  in s3c_fb_clear_win()
1344 	writel(0, regs + VIDOSD_C(win, sfb->variant));  in s3c_fb_clear_win()
1348 		reg &= ~(SHADOWCON_WINx_PROTECT(win) |  in s3c_fb_clear_win()
1349 			SHADOWCON_CHx_ENABLE(win) |  in s3c_fb_clear_win()
1350 			SHADOWCON_CHx_LOCAL_ENABLE(win));  in s3c_fb_clear_win()
1363 	int win;  in s3c_fb_probe()  local
1455 	for (win = 0; win < fbdrv->variant.nr_windows; win++)  in s3c_fb_probe()
1456 		s3c_fb_clear_win(sfb, win);  in s3c_fb_probe()
1459 	for (win = 0; win < (fbdrv->variant.nr_windows - 1); win++) {  in s3c_fb_probe()
1462 		regs += (win * 8);  in s3c_fb_probe()
1471 	for (win = 0; win < fbdrv->variant.nr_windows; win++) {  in s3c_fb_probe()
1472 		if (!pd->win[win])  in s3c_fb_probe()
1475 		ret = s3c_fb_probe_win(sfb, win, fbdrv->win[win],  in s3c_fb_probe()
1476 				       &sfb->windows[win]);  in s3c_fb_probe()
1478 			dev_err(dev, "failed to create window %d\n", win);  in s3c_fb_probe()
1479 			for (; win >= 0; win--)  in s3c_fb_probe()
1480 				s3c_fb_release_win(sfb, sfb->windows[win]);  in s3c_fb_probe()
1515 	int win;  in s3c_fb_remove()  local
1519 	for (win = 0; win < S3C_FB_MAX_WIN; win++)  in s3c_fb_remove()
1520 		if (sfb->windows[win])  in s3c_fb_remove()
1521 			s3c_fb_release_win(sfb, sfb->windows[win]);  in s3c_fb_remove()
1538 	struct s3c_fb_win *win;  in s3c_fb_suspend()  local
1544 		win = sfb->windows[win_no];  in s3c_fb_suspend()
1545 		if (!win)  in s3c_fb_suspend()
1549 		s3c_fb_blank(FB_BLANK_POWERDOWN, win->fbinfo);  in s3c_fb_suspend()
1566 	struct s3c_fb_win *win;  in s3c_fb_resume()  local
1595 		win = sfb->windows[win_no];  in s3c_fb_resume()
1596 		if (!win)  in s3c_fb_resume()
1599 		shadow_protect_win(win, 1);  in s3c_fb_resume()
1603 		shadow_protect_win(win, 0);  in s3c_fb_resume()
1610 		win = sfb->windows[win_no];  in s3c_fb_resume()
1611 		if (!win)  in s3c_fb_resume()
1615 		s3c_fb_set_par(win->fbinfo);  in s3c_fb_resume()
1735 	.win[0]	= &s3c_fb_data_64xx_wins[0],
1736 	.win[1]	= &s3c_fb_data_64xx_wins[1],
1737 	.win[2]	= &s3c_fb_data_64xx_wins[2],
1738 	.win[3]	= &s3c_fb_data_64xx_wins[3],
1739 	.win[4]	= &s3c_fb_data_64xx_wins[4],
1764 	.win[0] = &(struct s3c_fb_win_variant) {
1768 	.win[1] = &(struct s3c_fb_win_variant) {