Lines Matching +full:op +full:- +full:panel
1 // SPDX-License-Identifier: GPL-2.0-only
22 #include <linux/dma-mapping.h>
39 #include <linux/sm501-regs.h>
43 static char *fb_mode = "640x480-16@60";
100 /* per-framebuffer private data */
119 return var->xres + var->left_margin + in h_total()
120 var->right_margin + var->hsync_len; in h_total()
125 return var->yres + var->upper_margin + in v_total()
126 var->lower_margin + var->vsync_len; in v_total()
138 smc501_readl(info->regs); in sm501fb_sync_regs()
146 * |fbmem_res->start fbmem_res->end|
149 * |-> fb[0].fix.smem_len <-| spare |-> fb[1].fix.smem_len <-|-> cursors <-|
157 * - all allocations must be 128bit aligned
158 * - cursors are 64x64x2 bits (1Kbyte)
177 ptr = inf->fbmem_len - size; in sm501_alloc_mem()
178 inf->fbmem_len = ptr; /* adjust available memory. */ in sm501_alloc_mem()
182 if (size > inf->fbmem_len) in sm501_alloc_mem()
183 return -ENOMEM; in sm501_alloc_mem()
185 ptr = inf->fbmem_len - size; in sm501_alloc_mem()
186 fbi = inf->fb[HEAD_CRT]; in sm501_alloc_mem()
193 ptr &= ~(PAGE_SIZE - 1); in sm501_alloc_mem()
196 return -ENOMEM; in sm501_alloc_mem()
203 /* check to see if we have panel memory allocated in sm501_alloc_mem()
206 fbi = inf->fb[HEAD_PANEL]; in sm501_alloc_mem()
208 par = fbi->par; in sm501_alloc_mem()
209 end = par->screen.k_addr ? par->screen.sm_addr : inf->fbmem_len; in sm501_alloc_mem()
211 end = inf->fbmem_len; in sm501_alloc_mem()
214 return -ENOMEM; in sm501_alloc_mem()
219 fbi = inf->fb[HEAD_CRT]; in sm501_alloc_mem()
222 fbi = inf->fb[HEAD_PANEL]; in sm501_alloc_mem()
224 par = fbi->par; in sm501_alloc_mem()
225 end = par->screen.sm_addr; in sm501_alloc_mem()
227 end = inf->fbmem_len; in sm501_alloc_mem()
230 return -ENOMEM; in sm501_alloc_mem()
235 return -EINVAL; in sm501_alloc_mem()
238 mem->size = size; in sm501_alloc_mem()
239 mem->sm_addr = ptr; in sm501_alloc_mem()
240 mem->k_addr = inf->fbmem + ptr; in sm501_alloc_mem()
242 dev_dbg(inf->dev, "%s: result %08lx, %p - %u, %zd\n", in sm501_alloc_mem()
243 __func__, mem->sm_addr, mem->k_addr, why, size); in sm501_alloc_mem()
283 smc501_writel(value, fbi->regs + palette + offset); in sm501fb_setup_gamma()
290 * check common variables for both panel and crt
296 struct sm501fb_par *par = info->par; in sm501fb_check_var()
297 struct sm501fb_info *sm = par->info; in sm501fb_check_var()
302 if (var->hsync_len > 255 || var->vsync_len > 63) in sm501fb_check_var()
303 return -EINVAL; in sm501fb_check_var()
306 if ((var->xres + var->right_margin) > 4096) in sm501fb_check_var()
307 return -EINVAL; in sm501fb_check_var()
310 if ((var->yres + var->lower_margin) > 2048) in sm501fb_check_var()
311 return -EINVAL; in sm501fb_check_var()
316 return -EINVAL; in sm501fb_check_var()
320 tmp = (var->xres * var->bits_per_pixel) / 8; in sm501fb_check_var()
322 return -EINVAL; in sm501fb_check_var()
326 if (var->xres_virtual > 4096 || var->yres_virtual > 2048) in sm501fb_check_var()
327 return -EINVAL; in sm501fb_check_var()
330 if (var->xres + var->xoffset > var->xres_virtual) in sm501fb_check_var()
331 return -EINVAL; in sm501fb_check_var()
333 if (var->yres + var->yoffset > var->yres_virtual) in sm501fb_check_var()
334 return -EINVAL; in sm501fb_check_var()
338 if (var->bits_per_pixel <= 8) in sm501fb_check_var()
339 var->bits_per_pixel = 8; in sm501fb_check_var()
340 else if (var->bits_per_pixel <= 16) in sm501fb_check_var()
341 var->bits_per_pixel = 16; in sm501fb_check_var()
342 else if (var->bits_per_pixel == 24) in sm501fb_check_var()
343 var->bits_per_pixel = 32; in sm501fb_check_var()
346 switch(var->bits_per_pixel) { in sm501fb_check_var()
348 var->red.length = var->bits_per_pixel; in sm501fb_check_var()
349 var->red.offset = 0; in sm501fb_check_var()
350 var->green.length = var->bits_per_pixel; in sm501fb_check_var()
351 var->green.offset = 0; in sm501fb_check_var()
352 var->blue.length = var->bits_per_pixel; in sm501fb_check_var()
353 var->blue.offset = 0; in sm501fb_check_var()
354 var->transp.length = 0; in sm501fb_check_var()
355 var->transp.offset = 0; in sm501fb_check_var()
360 if (sm->pdata->flags & SM501_FBPD_SWAP_FB_ENDIAN) { in sm501fb_check_var()
361 var->blue.offset = 11; in sm501fb_check_var()
362 var->green.offset = 5; in sm501fb_check_var()
363 var->red.offset = 0; in sm501fb_check_var()
365 var->red.offset = 11; in sm501fb_check_var()
366 var->green.offset = 5; in sm501fb_check_var()
367 var->blue.offset = 0; in sm501fb_check_var()
369 var->transp.offset = 0; in sm501fb_check_var()
371 var->red.length = 5; in sm501fb_check_var()
372 var->green.length = 6; in sm501fb_check_var()
373 var->blue.length = 5; in sm501fb_check_var()
374 var->transp.length = 0; in sm501fb_check_var()
378 if (sm->pdata->flags & SM501_FBPD_SWAP_FB_ENDIAN) { in sm501fb_check_var()
379 var->transp.offset = 0; in sm501fb_check_var()
380 var->red.offset = 8; in sm501fb_check_var()
381 var->green.offset = 16; in sm501fb_check_var()
382 var->blue.offset = 24; in sm501fb_check_var()
384 var->transp.offset = 24; in sm501fb_check_var()
385 var->red.offset = 16; in sm501fb_check_var()
386 var->green.offset = 8; in sm501fb_check_var()
387 var->blue.offset = 0; in sm501fb_check_var()
390 var->red.length = 8; in sm501fb_check_var()
391 var->green.length = 8; in sm501fb_check_var()
392 var->blue.length = 8; in sm501fb_check_var()
393 var->transp.length = 0; in sm501fb_check_var()
397 return -EINVAL; in sm501fb_check_var()
407 * back into range, or return -EINVAL.
419 * back into range, or return -EINVAL.
436 struct sm501fb_par *par = info->par; in sm501fb_set_par_common()
437 struct sm501fb_info *fbi = par->info; in sm501fb_set_par_common()
445 dev_dbg(fbi->dev, "%s: %dx%d, bpp = %d, virtual %dx%d\n", in sm501fb_set_par_common()
446 __func__, var->xres, var->yres, var->bits_per_pixel, in sm501fb_set_par_common()
447 var->xres_virtual, var->yres_virtual); in sm501fb_set_par_common()
449 switch (par->head) { in sm501fb_set_par_common()
468 switch (var->bits_per_pixel) { in sm501fb_set_par_common()
470 info->fix.visual = FB_VISUAL_PSEUDOCOLOR; in sm501fb_set_par_common()
474 info->fix.visual = FB_VISUAL_TRUECOLOR; in sm501fb_set_par_common()
478 info->fix.visual = FB_VISUAL_TRUECOLOR; in sm501fb_set_par_common()
483 info->fix.line_length = (var->xres_virtual * var->bits_per_pixel)/8; in sm501fb_set_par_common()
484 smem_len = info->fix.line_length * var->yres_virtual; in sm501fb_set_par_common()
486 dev_dbg(fbi->dev, "%s: line length = %u\n", __func__, in sm501fb_set_par_common()
487 info->fix.line_length); in sm501fb_set_par_common()
489 if (sm501_alloc_mem(fbi, &par->screen, mem_type, smem_len, smem_len)) { in sm501fb_set_par_common()
490 dev_err(fbi->dev, "no memory available\n"); in sm501fb_set_par_common()
491 return -ENOMEM; in sm501fb_set_par_common()
494 mutex_lock(&info->mm_lock); in sm501fb_set_par_common()
495 info->fix.smem_start = fbi->fbmem_res->start + par->screen.sm_addr; in sm501fb_set_par_common()
496 info->fix.smem_len = smem_len; in sm501fb_set_par_common()
497 mutex_unlock(&info->mm_lock); in sm501fb_set_par_common()
499 info->screen_base = fbi->fbmem + par->screen.sm_addr; in sm501fb_set_par_common()
500 info->screen_size = info->fix.smem_len; in sm501fb_set_par_common()
504 smc501_writel(par->screen.sm_addr | SM501_ADDR_FLIP, in sm501fb_set_par_common()
505 fbi->regs + head_addr); in sm501fb_set_par_common()
509 pixclock = sm501fb_ps_to_hz(var->pixclock); in sm501fb_set_par_common()
511 sm501pixclock = sm501_set_clock(fbi->dev->parent, clock_type, in sm501fb_set_par_common()
515 var->pixclock = sm501fb_hz_to_ps(sm501pixclock); in sm501fb_set_par_common()
517 dev_dbg(fbi->dev, "%s: pixclock(ps) = %u, pixclock(Hz) = %lu, " in sm501fb_set_par_common()
519 __func__, var->pixclock, pixclock, sm501pixclock, in sm501fb_set_par_common()
520 ((pixclock - sm501pixclock)*100)/pixclock); in sm501fb_set_par_common()
533 struct sm501fb_par *par = info->par; in sm501fb_set_par_geometry()
534 struct sm501fb_info *fbi = par->info; in sm501fb_set_par_geometry()
535 void __iomem *base = fbi->regs; in sm501fb_set_par_geometry()
538 if (par->head == HEAD_CRT) in sm501fb_set_par_geometry()
545 reg = info->fix.line_length; in sm501fb_set_par_geometry()
546 reg |= ((var->xres * var->bits_per_pixel)/8) << 16; in sm501fb_set_par_geometry()
548 smc501_writel(reg, fbi->regs + (par->head == HEAD_CRT ? in sm501fb_set_par_geometry()
553 reg = (h_total(var) - 1) << 16; in sm501fb_set_par_geometry()
554 reg |= (var->xres - 1); in sm501fb_set_par_geometry()
560 reg = var->hsync_len << 16; in sm501fb_set_par_geometry()
561 reg |= var->xres + var->right_margin - 1; in sm501fb_set_par_geometry()
567 reg = (v_total(var) - 1) << 16; in sm501fb_set_par_geometry()
568 reg |= (var->yres - 1); in sm501fb_set_par_geometry()
573 reg = var->vsync_len << 16; in sm501fb_set_par_geometry()
574 reg |= var->yres + var->lower_margin - 1; in sm501fb_set_par_geometry()
587 struct sm501fb_par *par = info->par; in sm501fb_pan_crt()
588 struct sm501fb_info *fbi = par->info; in sm501fb_pan_crt()
589 unsigned int bytes_pixel = info->var.bits_per_pixel / 8; in sm501fb_pan_crt()
593 xoffs = var->xoffset * bytes_pixel; in sm501fb_pan_crt()
595 reg = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_pan_crt()
599 smc501_writel(reg, fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_pan_crt()
601 reg = (par->screen.sm_addr + xoffs + in sm501fb_pan_crt()
602 var->yoffset * info->fix.line_length); in sm501fb_pan_crt()
603 smc501_writel(reg | SM501_ADDR_FLIP, fbi->regs + SM501_DC_CRT_FB_ADDR); in sm501fb_pan_crt()
611 * pan the panel display output within an virtual framebuffer
617 struct sm501fb_par *par = info->par; in sm501fb_pan_pnl()
618 struct sm501fb_info *fbi = par->info; in sm501fb_pan_pnl()
621 reg = var->xoffset | (info->var.xres_virtual << 16); in sm501fb_pan_pnl()
622 smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH); in sm501fb_pan_pnl()
624 reg = var->yoffset | (info->var.yres_virtual << 16); in sm501fb_pan_pnl()
625 smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT); in sm501fb_pan_pnl()
638 struct sm501fb_par *par = info->par; in sm501fb_set_par_crt()
639 struct sm501fb_info *fbi = par->info; in sm501fb_set_par_crt()
640 struct fb_var_screeninfo *var = &info->var; in sm501fb_set_par_crt()
646 dev_dbg(fbi->dev, "%s(%p)\n", __func__, info); in sm501fb_set_par_crt()
648 /* enable CRT DAC - note 0 is on!*/ in sm501fb_set_par_crt()
649 sm501_misc_control(fbi->dev->parent, 0, SM501_MISC_DAC_POWER); in sm501fb_set_par_crt()
651 control = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_set_par_crt()
662 if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0) in sm501fb_set_par_crt()
665 if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0) in sm501fb_set_par_crt()
669 /* the head is displaying panel data... */ in sm501fb_set_par_crt()
671 sm501_alloc_mem(fbi, &par->screen, SM501_MEMF_CRT, 0, in sm501fb_set_par_crt()
672 info->fix.smem_len); in sm501fb_set_par_crt()
678 dev_err(fbi->dev, "failed to set common parameters\n"); in sm501fb_set_par_crt()
687 switch(var->bits_per_pixel) { in sm501fb_set_par_crt()
711 dev_dbg(fbi->dev, "new control is %08lx\n", control); in sm501fb_set_par_crt()
713 smc501_writel(control, fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_set_par_crt()
722 void __iomem *ctrl_reg = fbi->regs + SM501_DC_PANEL_CONTROL; in sm501fb_panel_power()
723 struct sm501_platdata_fbsub *pd = fbi->pdata->fb_pnl; in sm501fb_panel_power()
728 /* enable panel power */ in sm501fb_panel_power()
742 if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { in sm501fb_panel_power()
743 if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) in sm501fb_panel_power()
753 if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { in sm501fb_panel_power()
754 if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) in sm501fb_panel_power()
764 /* disable panel power */ in sm501fb_panel_power()
765 if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { in sm501fb_panel_power()
766 if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) in sm501fb_panel_power()
776 if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { in sm501fb_panel_power()
777 if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) in sm501fb_panel_power()
803 * Set the panel video mode from the fb_info structure
808 struct sm501fb_par *par = info->par; in sm501fb_set_par_pnl()
809 struct sm501fb_info *fbi = par->info; in sm501fb_set_par_pnl()
810 struct fb_var_screeninfo *var = &info->var; in sm501fb_set_par_pnl()
815 dev_dbg(fbi->dev, "%s(%p)\n", __func__, info); in sm501fb_set_par_pnl()
828 control = smc501_readl(fbi->regs + SM501_DC_PANEL_CONTROL); in sm501fb_set_par_pnl()
843 switch(var->bits_per_pixel) { in sm501fb_set_par_pnl()
862 smc501_writel(0x0, fbi->regs + SM501_DC_PANEL_PANNING_CONTROL); in sm501fb_set_par_pnl()
864 /* panel plane top left and bottom right location */ in sm501fb_set_par_pnl()
866 smc501_writel(0x00, fbi->regs + SM501_DC_PANEL_TL_LOC); in sm501fb_set_par_pnl()
868 reg = var->xres - 1; in sm501fb_set_par_pnl()
869 reg |= (var->yres - 1) << 16; in sm501fb_set_par_pnl()
871 smc501_writel(reg, fbi->regs + SM501_DC_PANEL_BR_LOC); in sm501fb_set_par_pnl()
873 /* program panel control register */ in sm501fb_set_par_pnl()
875 control |= SM501_DC_PANEL_CONTROL_TE; /* enable PANEL timing */ in sm501fb_set_par_pnl()
876 control |= SM501_DC_PANEL_CONTROL_EN; /* enable PANEL gfx plane */ in sm501fb_set_par_pnl()
878 if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0) in sm501fb_set_par_pnl()
881 if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0) in sm501fb_set_par_pnl()
884 smc501_writel(control, fbi->regs + SM501_DC_PANEL_CONTROL); in sm501fb_set_par_pnl()
887 /* ensure the panel interface is not tristated at this point */ in sm501fb_set_par_pnl()
889 sm501_modify_reg(fbi->dev->parent, SM501_SYSTEM_CONTROL, in sm501fb_set_par_pnl()
892 /* power the panel up */ in sm501fb_set_par_pnl()
909 chan >>= 16 - bf->length; in chan_to_field()
910 return chan << bf->offset; in chan_to_field()
922 struct sm501fb_par *par = info->par; in sm501fb_setcolreg()
923 struct sm501fb_info *fbi = par->info; in sm501fb_setcolreg()
924 void __iomem *base = fbi->regs; in sm501fb_setcolreg()
927 if (par->head == HEAD_CRT) in sm501fb_setcolreg()
932 switch (info->fix.visual) { in sm501fb_setcolreg()
934 /* true-colour, use pseuo-palette */ in sm501fb_setcolreg()
937 u32 *pal = par->pseudo_palette; in sm501fb_setcolreg()
939 val = chan_to_field(red, &info->var.red); in sm501fb_setcolreg()
940 val |= chan_to_field(green, &info->var.green); in sm501fb_setcolreg()
941 val |= chan_to_field(blue, &info->var.blue); in sm501fb_setcolreg()
967 * Blank or un-blank the panel interface
972 struct sm501fb_par *par = info->par; in sm501fb_blank_pnl()
973 struct sm501fb_info *fbi = par->info; in sm501fb_blank_pnl()
975 dev_dbg(fbi->dev, "%s(mode=%d, %p)\n", __func__, blank_mode, info); in sm501fb_blank_pnl()
998 * Blank or un-blank the crt interface
1003 struct sm501fb_par *par = info->par; in sm501fb_blank_crt()
1004 struct sm501fb_info *fbi = par->info; in sm501fb_blank_crt()
1007 dev_dbg(fbi->dev, "%s(mode=%d, %p)\n", __func__, blank_mode, info); in sm501fb_blank_crt()
1009 ctrl = smc501_readl(fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_blank_crt()
1014 sm501_misc_control(fbi->dev->parent, SM501_MISC_DAC_POWER, 0); in sm501fb_blank_crt()
1024 sm501_misc_control(fbi->dev->parent, 0, SM501_MISC_DAC_POWER); in sm501fb_blank_crt()
1034 smc501_writel(ctrl, fbi->regs + SM501_DC_CRT_CONTROL); in sm501fb_blank_crt()
1047 struct sm501fb_par *par = info->par; in sm501fb_cursor()
1048 struct sm501fb_info *fbi = par->info; in sm501fb_cursor()
1049 void __iomem *base = fbi->regs; in sm501fb_cursor()
1053 dev_dbg(fbi->dev, "%s(%p,%p)\n", __func__, info, cursor); in sm501fb_cursor()
1055 if (par->head == HEAD_CRT) in sm501fb_cursor()
1062 if (cursor->image.width > 64) in sm501fb_cursor()
1063 return -EINVAL; in sm501fb_cursor()
1065 if (cursor->image.height > 64) in sm501fb_cursor()
1066 return -EINVAL; in sm501fb_cursor()
1068 if (cursor->image.depth > 1) in sm501fb_cursor()
1069 return -EINVAL; in sm501fb_cursor()
1073 if (cursor->enable) in sm501fb_cursor()
1081 if (cursor->set & FB_CUR_SETPOS) { in sm501fb_cursor()
1082 unsigned int x = cursor->image.dx; in sm501fb_cursor()
1083 unsigned int y = cursor->image.dy; in sm501fb_cursor()
1086 return -EINVAL; in sm501fb_cursor()
1088 dev_dbg(fbi->dev, "set position %d,%d\n", x, y); in sm501fb_cursor()
1090 //y += cursor->image.height; in sm501fb_cursor()
1095 if (cursor->set & FB_CUR_SETCMAP) { in sm501fb_cursor()
1096 unsigned int bg_col = cursor->image.bg_color; in sm501fb_cursor()
1097 unsigned int fg_col = cursor->image.fg_color; in sm501fb_cursor()
1099 dev_dbg(fbi->dev, "%s: update cmap (%08x,%08x)\n", in sm501fb_cursor()
1102 bg = ((info->cmap.red[bg_col] & 0xF8) << 8) | in sm501fb_cursor()
1103 ((info->cmap.green[bg_col] & 0xFC) << 3) | in sm501fb_cursor()
1104 ((info->cmap.blue[bg_col] & 0xF8) >> 3); in sm501fb_cursor()
1106 fg = ((info->cmap.red[fg_col] & 0xF8) << 8) | in sm501fb_cursor()
1107 ((info->cmap.green[fg_col] & 0xFC) << 3) | in sm501fb_cursor()
1108 ((info->cmap.blue[fg_col] & 0xF8) >> 3); in sm501fb_cursor()
1110 dev_dbg(fbi->dev, "fgcol %08lx, bgcol %08lx\n", fg, bg); in sm501fb_cursor()
1116 if (cursor->set & FB_CUR_SETSIZE || in sm501fb_cursor()
1117 cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE)) { in sm501fb_cursor()
1123 const unsigned char *pcol = cursor->image.data; in sm501fb_cursor()
1124 const unsigned char *pmsk = cursor->mask; in sm501fb_cursor()
1125 void __iomem *dst = par->cursor.k_addr; in sm501fb_cursor()
1128 unsigned int op; in sm501fb_cursor() local
1130 dev_dbg(fbi->dev, "%s: setting shape (%d,%d)\n", in sm501fb_cursor()
1131 __func__, cursor->image.width, cursor->image.height); in sm501fb_cursor()
1133 for (op = 0; op < (64*64*2)/8; op+=4) in sm501fb_cursor()
1134 smc501_writel(0x0, dst + op); in sm501fb_cursor()
1136 for (y = 0; y < cursor->image.height; y++) { in sm501fb_cursor()
1137 for (x = 0; x < cursor->image.width; x++) { in sm501fb_cursor()
1147 op = (dcol & 1) ? 1 : 3; in sm501fb_cursor()
1148 op <<= ((x % 4) * 2); in sm501fb_cursor()
1150 op |= readb(dst + (x / 4)); in sm501fb_cursor()
1151 writeb(op, dst + (x / 4)); in sm501fb_cursor()
1173 ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); in sm501fb_crtsrc_show()
1176 return sysfs_emit(buf, "%s\n", ctrl ? "crt" : "panel"); in sm501fb_crtsrc_show()
1193 return -EINVAL; in sm501fb_crtsrc_store()
1197 else if (strncasecmp(buf, "panel", 5) == 0) in sm501fb_crtsrc_store()
1200 return -EINVAL; in sm501fb_crtsrc_store()
1204 ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); in sm501fb_crtsrc_store()
1216 smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); in sm501fb_crtsrc_store()
1232 void __iomem *mem = info->regs; in sm501fb_show_regs()
1240 return ptr - buf; in sm501fb_show_regs()
1257 return ptr - buf; in sm501fb_debug_show_crt()
1264 * show the panel control and cursor registers
1276 return ptr - buf; in sm501fb_debug_show_pnl()
1293 struct sm501fb_par *par = info->par; in sm501fb_sync()
1294 struct sm501fb_info *fbi = par->info; in sm501fb_sync()
1298 (smc501_readl(fbi->regs + SM501_SYSTEM_CONTROL) & in sm501fb_sync()
1300 count--; in sm501fb_sync()
1311 struct sm501fb_par *par = info->par; in sm501fb_copyarea()
1312 struct sm501fb_info *fbi = par->info; in sm501fb_copyarea()
1313 int width = area->width; in sm501fb_copyarea()
1314 int height = area->height; in sm501fb_copyarea()
1315 int sx = area->sx; in sm501fb_copyarea()
1316 int sy = area->sy; in sm501fb_copyarea()
1317 int dx = area->dx; in sm501fb_copyarea()
1318 int dy = area->dy; in sm501fb_copyarea()
1322 if ((sx >= info->var.xres_virtual) || in sm501fb_copyarea()
1323 (sy >= info->var.yres_virtual)) in sm501fb_copyarea()
1326 if ((sx + width) >= info->var.xres_virtual) in sm501fb_copyarea()
1327 width = info->var.xres_virtual - sx - 1; in sm501fb_copyarea()
1328 if ((sy + height) >= info->var.yres_virtual) in sm501fb_copyarea()
1329 height = info->var.yres_virtual - sy - 1; in sm501fb_copyarea()
1332 if ((dx >= info->var.xres_virtual) || in sm501fb_copyarea()
1333 (dy >= info->var.yres_virtual)) in sm501fb_copyarea()
1336 if ((dx + width) >= info->var.xres_virtual) in sm501fb_copyarea()
1337 width = info->var.xres_virtual - dx - 1; in sm501fb_copyarea()
1338 if ((dy + height) >= info->var.yres_virtual) in sm501fb_copyarea()
1339 height = info->var.yres_virtual - dy - 1; in sm501fb_copyarea()
1343 sx += width - 1; in sm501fb_copyarea()
1344 dx += width - 1; in sm501fb_copyarea()
1345 sy += height - 1; in sm501fb_copyarea()
1346 dy += height - 1; in sm501fb_copyarea()
1353 smc501_writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); in sm501fb_copyarea()
1354 smc501_writel(par->screen.sm_addr, in sm501fb_copyarea()
1355 fbi->regs2d + SM501_2D_DESTINATION_BASE); in sm501fb_copyarea()
1358 smc501_writel((info->var.xres << 16) | info->var.xres, in sm501fb_copyarea()
1359 fbi->regs2d + SM501_2D_WINDOW_WIDTH); in sm501fb_copyarea()
1362 smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual, in sm501fb_copyarea()
1363 fbi->regs2d + SM501_2D_PITCH); in sm501fb_copyarea()
1366 switch (info->var.bits_per_pixel) { in sm501fb_copyarea()
1368 smc501_writel(0, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_copyarea()
1371 smc501_writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_copyarea()
1374 smc501_writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_copyarea()
1379 smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); in sm501fb_copyarea()
1382 smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); in sm501fb_copyarea()
1385 smc501_writel((sx << 16) | sy, fbi->regs2d + SM501_2D_SOURCE); in sm501fb_copyarea()
1386 smc501_writel((dx << 16) | dy, fbi->regs2d + SM501_2D_DESTINATION); in sm501fb_copyarea()
1389 smc501_writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); in sm501fb_copyarea()
1392 smc501_writel(0x800000cc | rtl, fbi->regs2d + SM501_2D_CONTROL); in sm501fb_copyarea()
1397 struct sm501fb_par *par = info->par; in sm501fb_fillrect()
1398 struct sm501fb_info *fbi = par->info; in sm501fb_fillrect()
1399 int width = rect->width, height = rect->height; in sm501fb_fillrect()
1401 if ((rect->dx >= info->var.xres_virtual) || in sm501fb_fillrect()
1402 (rect->dy >= info->var.yres_virtual)) in sm501fb_fillrect()
1405 if ((rect->dx + width) >= info->var.xres_virtual) in sm501fb_fillrect()
1406 width = info->var.xres_virtual - rect->dx - 1; in sm501fb_fillrect()
1407 if ((rect->dy + height) >= info->var.yres_virtual) in sm501fb_fillrect()
1408 height = info->var.yres_virtual - rect->dy - 1; in sm501fb_fillrect()
1414 smc501_writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE); in sm501fb_fillrect()
1415 smc501_writel(par->screen.sm_addr, in sm501fb_fillrect()
1416 fbi->regs2d + SM501_2D_DESTINATION_BASE); in sm501fb_fillrect()
1419 smc501_writel((info->var.xres << 16) | info->var.xres, in sm501fb_fillrect()
1420 fbi->regs2d + SM501_2D_WINDOW_WIDTH); in sm501fb_fillrect()
1423 smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual, in sm501fb_fillrect()
1424 fbi->regs2d + SM501_2D_PITCH); in sm501fb_fillrect()
1427 switch (info->var.bits_per_pixel) { in sm501fb_fillrect()
1429 smc501_writel(0, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_fillrect()
1432 smc501_writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_fillrect()
1435 smc501_writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH); in sm501fb_fillrect()
1440 smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK); in sm501fb_fillrect()
1443 smc501_writel(0xffffffff, fbi->regs2d + SM501_2D_MASK); in sm501fb_fillrect()
1446 smc501_writel(rect->color, fbi->regs2d + SM501_2D_FOREGROUND); in sm501fb_fillrect()
1449 smc501_writel((rect->dx << 16) | rect->dy, in sm501fb_fillrect()
1450 fbi->regs2d + SM501_2D_DESTINATION); in sm501fb_fillrect()
1453 smc501_writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION); in sm501fb_fillrect()
1456 smc501_writel(0x800100cc, fbi->regs2d + SM501_2D_CONTROL); in sm501fb_fillrect()
1502 par = fbi->par; in sm501_init_cursor()
1503 info = par->info; in sm501_init_cursor()
1505 par->cursor_regs = info->regs + reg_base; in sm501_init_cursor()
1507 ret = sm501_alloc_mem(info, &par->cursor, SM501_MEMF_CURSOR, 1024, in sm501_init_cursor()
1508 fbi->fix.smem_len); in sm501_init_cursor()
1514 smc501_writel(par->cursor.sm_addr, in sm501_init_cursor()
1515 par->cursor_regs + SM501_OFF_HWC_ADDR); in sm501_init_cursor()
1517 smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_LOC); in sm501_init_cursor()
1518 smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_1_2); in sm501_init_cursor()
1519 smc501_writel(0x00, par->cursor_regs + SM501_OFF_HWC_COLOR_3); in sm501_init_cursor()
1534 struct device *dev = &pdev->dev; in sm501fb_start()
1538 info->irq = ret = platform_get_irq(pdev, 0); in sm501fb_start()
1549 ret = -ENOENT; in sm501fb_start()
1553 info->regs_res = request_mem_region(res->start, in sm501fb_start()
1555 pdev->name); in sm501fb_start()
1557 if (info->regs_res == NULL) { in sm501fb_start()
1559 ret = -ENXIO; in sm501fb_start()
1563 info->regs = ioremap(res->start, resource_size(res)); in sm501fb_start()
1564 if (info->regs == NULL) { in sm501fb_start()
1566 ret = -ENXIO; in sm501fb_start()
1575 ret = -ENOENT; in sm501fb_start()
1579 info->regs2d_res = request_mem_region(res->start, in sm501fb_start()
1581 pdev->name); in sm501fb_start()
1583 if (info->regs2d_res == NULL) { in sm501fb_start()
1585 ret = -ENXIO; in sm501fb_start()
1589 info->regs2d = ioremap(res->start, resource_size(res)); in sm501fb_start()
1590 if (info->regs2d == NULL) { in sm501fb_start()
1592 ret = -ENXIO; in sm501fb_start()
1600 ret = -ENXIO; in sm501fb_start()
1604 info->fbmem_res = request_mem_region(res->start, in sm501fb_start()
1606 pdev->name); in sm501fb_start()
1607 if (info->fbmem_res == NULL) { in sm501fb_start()
1609 ret = -ENXIO; in sm501fb_start()
1613 info->fbmem = ioremap(res->start, resource_size(res)); in sm501fb_start()
1614 if (info->fbmem == NULL) { in sm501fb_start()
1616 ret = -ENXIO; in sm501fb_start()
1620 info->fbmem_len = resource_size(res); in sm501fb_start()
1622 /* clear framebuffer memory - avoids garbage data on unused fb */ in sm501fb_start()
1623 memset_io(info->fbmem, 0, info->fbmem_len); in sm501fb_start()
1625 /* clear palette ram - undefined at power on */ in sm501fb_start()
1627 smc501_writel(0, info->regs + SM501_DC_PANEL_PALETTE + (k * 4)); in sm501fb_start()
1630 sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1); in sm501fb_start()
1633 sm501_unit_power(dev->parent, SM501_GATE_2D_ENGINE, 1); in sm501fb_start()
1636 sm501_init_cursor(info->fb[HEAD_CRT], SM501_DC_CRT_HWC_ADDR); in sm501fb_start()
1637 sm501_init_cursor(info->fb[HEAD_PANEL], SM501_DC_PANEL_HWC_ADDR); in sm501fb_start()
1642 release_mem_region(info->fbmem_res->start, in sm501fb_start()
1643 resource_size(info->fbmem_res)); in sm501fb_start()
1646 iounmap(info->regs2d); in sm501fb_start()
1649 release_mem_region(info->regs2d_res->start, in sm501fb_start()
1650 resource_size(info->regs2d_res)); in sm501fb_start()
1653 iounmap(info->regs); in sm501fb_start()
1656 release_mem_region(info->regs_res->start, in sm501fb_start()
1657 resource_size(info->regs_res)); in sm501fb_start()
1666 sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0); in sm501fb_stop()
1668 iounmap(info->fbmem); in sm501fb_stop()
1669 release_mem_region(info->fbmem_res->start, in sm501fb_stop()
1670 resource_size(info->fbmem_res)); in sm501fb_stop()
1672 iounmap(info->regs2d); in sm501fb_stop()
1673 release_mem_region(info->regs2d_res->start, in sm501fb_stop()
1674 resource_size(info->regs2d_res)); in sm501fb_stop()
1676 iounmap(info->regs); in sm501fb_stop()
1677 release_mem_region(info->regs_res->start, in sm501fb_stop()
1678 resource_size(info->regs_res)); in sm501fb_stop()
1685 struct sm501fb_par *par = fb->par; in sm501fb_init_fb()
1686 struct sm501fb_info *info = par->info; in sm501fb_init_fb()
1693 pd = info->pdata->fb_crt; in sm501fb_init_fb()
1694 ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); in sm501fb_init_fb()
1698 if (info->pdata->fb_route != SM501_FB_CRT_PANEL) { in sm501fb_init_fb()
1700 smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); in sm501fb_init_fb()
1706 pd = info->pdata->fb_pnl; in sm501fb_init_fb()
1707 ctrl = smc501_readl(info->regs + SM501_DC_PANEL_CONTROL); in sm501fb_init_fb()
1718 dev_info(info->dev, "fb %s %sabled at start\n", in sm501fb_init_fb()
1723 if (head == HEAD_CRT && info->pdata->fb_route == SM501_FB_CRT_PANEL) { in sm501fb_init_fb()
1725 smc501_writel(ctrl, info->regs + SM501_DC_CRT_CONTROL); in sm501fb_init_fb()
1729 strscpy(fb->fix.id, fbname, sizeof(fb->fix.id)); in sm501fb_init_fb()
1731 memcpy(&par->ops, in sm501fb_init_fb()
1737 if ((pd->flags & SM501FB_FLAG_USE_HWCURSOR) == 0) in sm501fb_init_fb()
1738 par->ops.fb_cursor = NULL; in sm501fb_init_fb()
1740 fb->fbops = &par->ops; in sm501fb_init_fb()
1741 fb->flags = FBINFO_READS_FAST | in sm501fb_init_fb()
1747 if (of_property_read_bool(info->dev->parent->of_node, "little-endian")) in sm501fb_init_fb()
1748 fb->flags |= FBINFO_FOREIGN_ENDIAN; in sm501fb_init_fb()
1750 if (of_property_read_bool(info->dev->parent->of_node, "big-endian")) in sm501fb_init_fb()
1751 fb->flags |= FBINFO_FOREIGN_ENDIAN; in sm501fb_init_fb()
1756 fb->fix.type = FB_TYPE_PACKED_PIXELS; in sm501fb_init_fb()
1757 fb->fix.type_aux = 0; in sm501fb_init_fb()
1758 fb->fix.xpanstep = 1; in sm501fb_init_fb()
1759 fb->fix.ypanstep = 1; in sm501fb_init_fb()
1760 fb->fix.ywrapstep = 0; in sm501fb_init_fb()
1761 fb->fix.accel = FB_ACCEL_NONE; in sm501fb_init_fb()
1765 fb->var.nonstd = 0; in sm501fb_init_fb()
1766 fb->var.activate = FB_ACTIVATE_NOW; in sm501fb_init_fb()
1767 fb->var.accel_flags = 0; in sm501fb_init_fb()
1768 fb->var.vmode = FB_VMODE_NONINTERLACED; in sm501fb_init_fb()
1769 fb->var.bits_per_pixel = 16; in sm501fb_init_fb()
1771 if (info->edid_data) { in sm501fb_init_fb()
1773 fb_edid_to_monspecs(info->edid_data, &fb->monspecs); in sm501fb_init_fb()
1774 fb_videomode_to_modelist(fb->monspecs.modedb, in sm501fb_init_fb()
1775 fb->monspecs.modedb_len, in sm501fb_init_fb()
1776 &fb->modelist); in sm501fb_init_fb()
1779 if (enable && (pd->flags & SM501FB_FLAG_USE_INIT_MODE) && 0) { in sm501fb_init_fb()
1782 if (pd->def_mode) { in sm501fb_init_fb()
1783 dev_info(info->dev, "using supplied mode\n"); in sm501fb_init_fb()
1784 fb_videomode_to_var(&fb->var, pd->def_mode); in sm501fb_init_fb()
1786 fb->var.bits_per_pixel = pd->def_bpp ? pd->def_bpp : 8; in sm501fb_init_fb()
1787 fb->var.xres_virtual = fb->var.xres; in sm501fb_init_fb()
1788 fb->var.yres_virtual = fb->var.yres; in sm501fb_init_fb()
1790 if (info->edid_data) { in sm501fb_init_fb()
1791 ret = fb_find_mode(&fb->var, fb, fb_mode, in sm501fb_init_fb()
1792 fb->monspecs.modedb, in sm501fb_init_fb()
1793 fb->monspecs.modedb_len, in sm501fb_init_fb()
1796 kfree(info->edid_data); in sm501fb_init_fb()
1798 ret = fb_find_mode(&fb->var, fb, in sm501fb_init_fb()
1804 dev_info(info->dev, "using mode specified in " in sm501fb_init_fb()
1808 dev_info(info->dev, "using mode specified in " in sm501fb_init_fb()
1812 dev_info(info->dev, "using mode default " in sm501fb_init_fb()
1816 dev_info(info->dev, "using mode from list\n"); in sm501fb_init_fb()
1819 dev_info(info->dev, "ret = %d\n", ret); in sm501fb_init_fb()
1820 dev_info(info->dev, "failed to find mode\n"); in sm501fb_init_fb()
1821 return -EINVAL; in sm501fb_init_fb()
1827 if (fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0)) { in sm501fb_init_fb()
1828 dev_err(info->dev, "failed to allocate cmap memory\n"); in sm501fb_init_fb()
1829 return -ENOMEM; in sm501fb_init_fb()
1831 fb_set_cmap(&fb->cmap, fb); in sm501fb_init_fb()
1833 ret = (fb->fbops->fb_check_var)(&fb->var, fb); in sm501fb_init_fb()
1835 dev_err(info->dev, "check_var() failed on initial setup?\n"); in sm501fb_init_fb()
1863 static char driver_name_crt[] = "sm501fb-crt";
1864 static char driver_name_pnl[] = "sm501fb-panel";
1869 unsigned char *name = (head == HEAD_CRT) ? "crt" : "panel"; in sm501fb_probe_one()
1874 pd = (head == HEAD_CRT) ? info->pdata->fb_crt : info->pdata->fb_pnl; in sm501fb_probe_one()
1878 dev_info(info->dev, "no data for fb %s (disabled)\n", name); in sm501fb_probe_one()
1882 fbi = framebuffer_alloc(sizeof(struct sm501fb_par), info->dev); in sm501fb_probe_one()
1884 return -ENOMEM; in sm501fb_probe_one()
1886 par = fbi->par; in sm501fb_probe_one()
1887 par->info = info; in sm501fb_probe_one()
1888 par->head = head; in sm501fb_probe_one()
1889 fbi->pseudo_palette = &par->pseudo_palette; in sm501fb_probe_one()
1891 info->fb[head] = fbi; in sm501fb_probe_one()
1901 struct fb_info *fbi = info->fb[head]; in sm501_free_init_fb()
1906 fb_dealloc_cmap(&fbi->cmap); in sm501_free_init_fb()
1912 struct fb_info *fbi = info->fb[head]; in sm501fb_start_one()
1918 mutex_init(&info->fb[head]->mm_lock); in sm501fb_start_one()
1920 ret = sm501fb_init_fb(info->fb[head], head, drvname); in sm501fb_start_one()
1922 dev_err(info->dev, "cannot initialise fb %s\n", drvname); in sm501fb_start_one()
1926 ret = register_framebuffer(info->fb[head]); in sm501fb_start_one()
1928 dev_err(info->dev, "failed to register fb %s\n", drvname); in sm501fb_start_one()
1933 dev_info(info->dev, "fb%d: %s frame buffer\n", fbi->node, fbi->fix.id); in sm501fb_start_one()
1941 struct device *dev = &pdev->dev; in sm501fb_probe()
1948 return -ENOMEM; in sm501fb_probe()
1951 info->dev = dev = &pdev->dev; in sm501fb_probe()
1954 if (dev->parent->platform_data) { in sm501fb_probe()
1955 struct sm501_platdata *pd = dev->parent->platform_data; in sm501fb_probe()
1956 info->pdata = pd->fb; in sm501fb_probe()
1959 if (info->pdata == NULL) { in sm501fb_probe()
1962 struct device_node *np = pdev->dev.parent->of_node; in sm501fb_probe()
1967 info->pdata = &sm501fb_def_pdata; in sm501fb_probe()
1975 info->edid_data = kmemdup(prop, EDID_LENGTH, in sm501fb_probe()
1977 if (info->edid_data) in sm501fb_probe()
1984 info->pdata = &sm501fb_def_pdata; in sm501fb_probe()
1988 /* probe for the presence of each panel */ in sm501fb_probe()
1998 dev_err(dev, "failed to probe PANEL\n"); in sm501fb_probe()
2002 if (info->fb[HEAD_PANEL] == NULL && in sm501fb_probe()
2003 info->fb[HEAD_CRT] == NULL) { in sm501fb_probe()
2005 ret = -ENODEV; in sm501fb_probe()
2025 dev_err(dev, "failed to start Panel\n"); in sm501fb_probe()
2033 unregister_framebuffer(info->fb[HEAD_CRT]); in sm501fb_probe()
2040 framebuffer_release(info->fb[HEAD_PANEL]); in sm501fb_probe()
2043 framebuffer_release(info->fb[HEAD_CRT]); in sm501fb_probe()
2058 struct fb_info *fbinfo_crt = info->fb[0]; in sm501fb_remove()
2059 struct fb_info *fbinfo_pnl = info->fb[1]; in sm501fb_remove()
2081 struct fb_info *fbi = info->fb[head]; in sm501fb_suspend_fb()
2087 par = fbi->par; in sm501fb_suspend_fb()
2088 if (par->screen.size == 0) in sm501fb_suspend_fb()
2092 (par->ops.fb_blank)(FB_BLANK_POWERDOWN, fbi); in sm501fb_suspend_fb()
2102 par->store_fb = vmalloc(par->screen.size); in sm501fb_suspend_fb()
2103 if (par->store_fb == NULL) { in sm501fb_suspend_fb()
2104 dev_err(info->dev, "no memory to store screen\n"); in sm501fb_suspend_fb()
2105 return -ENOMEM; in sm501fb_suspend_fb()
2108 par->store_cursor = vmalloc(par->cursor.size); in sm501fb_suspend_fb()
2109 if (par->store_cursor == NULL) { in sm501fb_suspend_fb()
2110 dev_err(info->dev, "no memory to store cursor\n"); in sm501fb_suspend_fb()
2114 dev_dbg(info->dev, "suspending screen to %p\n", par->store_fb); in sm501fb_suspend_fb()
2115 dev_dbg(info->dev, "suspending cursor to %p\n", par->store_cursor); in sm501fb_suspend_fb()
2117 memcpy_fromio(par->store_fb, par->screen.k_addr, par->screen.size); in sm501fb_suspend_fb()
2118 memcpy_fromio(par->store_cursor, par->cursor.k_addr, par->cursor.size); in sm501fb_suspend_fb()
2123 vfree(par->store_fb); in sm501fb_suspend_fb()
2124 par->store_fb = NULL; in sm501fb_suspend_fb()
2126 return -ENOMEM; in sm501fb_suspend_fb()
2132 struct fb_info *fbi = info->fb[head]; in sm501fb_resume_fb()
2138 par = fbi->par; in sm501fb_resume_fb()
2139 if (par->screen.size == 0) in sm501fb_resume_fb()
2142 /* re-activate the configuration */ in sm501fb_resume_fb()
2144 (par->ops.fb_set_par)(fbi); in sm501fb_resume_fb()
2148 dev_dbg(info->dev, "restoring screen from %p\n", par->store_fb); in sm501fb_resume_fb()
2149 dev_dbg(info->dev, "restoring cursor from %p\n", par->store_cursor); in sm501fb_resume_fb()
2151 if (par->store_fb) in sm501fb_resume_fb()
2152 memcpy_toio(par->screen.k_addr, par->store_fb, in sm501fb_resume_fb()
2153 par->screen.size); in sm501fb_resume_fb()
2155 if (par->store_cursor) in sm501fb_resume_fb()
2156 memcpy_toio(par->cursor.k_addr, par->store_cursor, in sm501fb_resume_fb()
2157 par->cursor.size); in sm501fb_resume_fb()
2163 vfree(par->store_fb); in sm501fb_resume_fb()
2164 vfree(par->store_cursor); in sm501fb_resume_fb()
2175 info->pm_crt_ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); in sm501fb_suspend()
2181 sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 0); in sm501fb_suspend()
2195 sm501_unit_power(info->dev->parent, SM501_GATE_DISPLAY, 1); in sm501fb_resume()
2199 crt_ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL); in sm501fb_resume()
2201 crt_ctrl |= info->pm_crt_ctrl & SM501_CRT_CTRL_SAVE; in sm501fb_resume()
2202 smc501_writel(crt_ctrl, info->regs + SM501_DC_CRT_CONTROL); in sm501fb_resume()
2221 .name = "sm501-fb",
2230 "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
2232 MODULE_PARM_DESC(bpp, "Specify bit-per-pixel if not specified mode");