Lines Matching refs:sfb
244 struct s3c_fb *sfb = win->parent; in s3c_fb_check_var() local
246 dev_dbg(sfb->dev, "checking parameters\n"); in s3c_fb_check_var()
252 dev_dbg(sfb->dev, "win %d: unsupported bpp %d\n", in s3c_fb_check_var()
266 if (sfb->variant.palette[win->index] != 0) { in s3c_fb_check_var()
329 dev_err(sfb->dev, "invalid bpp\n"); in s3c_fb_check_var()
333 dev_dbg(sfb->dev, "%s: verified parameters\n", __func__); in s3c_fb_check_var()
345 static int s3c_fb_calc_pixclk(struct s3c_fb *sfb, unsigned int pixclk) in s3c_fb_calc_pixclk() argument
351 if (sfb->variant.has_clksel) in s3c_fb_calc_pixclk()
352 clk = clk_get_rate(sfb->bus_clk); in s3c_fb_calc_pixclk()
354 clk = clk_get_rate(sfb->lcd_clk); in s3c_fb_calc_pixclk()
362 dev_dbg(sfb->dev, "pixclk=%u, clk=%lu, div=%d (%lu)\n", in s3c_fb_calc_pixclk()
395 struct s3c_fb *sfb = win->parent; in vidosd_set_size() local
399 writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant) in vidosd_set_size()
411 struct s3c_fb *sfb = win->parent; in vidosd_set_alpha() local
414 writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant)); in vidosd_set_alpha()
425 struct s3c_fb *sfb = win->parent; in shadow_protect_win() local
429 if (sfb->variant.has_prtcon) { in shadow_protect_win()
430 writel(PRTCON_PROTECT, sfb->regs + PRTCON); in shadow_protect_win()
431 } else if (sfb->variant.has_shadowcon) { in shadow_protect_win()
432 reg = readl(sfb->regs + SHADOWCON); in shadow_protect_win()
434 sfb->regs + SHADOWCON); in shadow_protect_win()
437 if (sfb->variant.has_prtcon) { in shadow_protect_win()
438 writel(0, sfb->regs + PRTCON); in shadow_protect_win()
439 } else if (sfb->variant.has_shadowcon) { in shadow_protect_win()
440 reg = readl(sfb->regs + SHADOWCON); in shadow_protect_win()
442 sfb->regs + SHADOWCON); in shadow_protect_win()
452 static void s3c_fb_enable(struct s3c_fb *sfb, int enable) in s3c_fb_enable() argument
454 u32 vidcon0 = readl(sfb->regs + VIDCON0); in s3c_fb_enable()
456 if (enable && !sfb->output_on) in s3c_fb_enable()
457 pm_runtime_get_sync(sfb->dev); in s3c_fb_enable()
472 writel(vidcon0, sfb->regs + VIDCON0); in s3c_fb_enable()
474 if (!enable && sfb->output_on) in s3c_fb_enable()
475 pm_runtime_put_sync(sfb->dev); in s3c_fb_enable()
477 sfb->output_on = enable; in s3c_fb_enable()
490 struct s3c_fb *sfb = win->parent; in s3c_fb_set_par() local
491 void __iomem *regs = sfb->regs; in s3c_fb_set_par()
498 dev_dbg(sfb->dev, "setting framebuffer parameters\n"); in s3c_fb_set_par()
500 pm_runtime_get_sync(sfb->dev); in s3c_fb_set_par()
533 if (!sfb->output_on) in s3c_fb_set_par()
534 s3c_fb_enable(sfb, 1); in s3c_fb_set_par()
541 writel(info->fix.smem_start, buf + sfb->variant.buf_start); in s3c_fb_set_par()
544 writel(data, buf + sfb->variant.buf_end); in s3c_fb_set_par()
551 writel(data, regs + sfb->variant.buf_size + (win_no * 4)); in s3c_fb_set_par()
557 writel(data, regs + VIDOSD_A(win_no, sfb->variant)); in s3c_fb_set_par()
566 writel(data, regs + VIDOSD_B(win_no, sfb->variant)); in s3c_fb_set_par()
578 if (sfb->variant.has_shadowcon) { in s3c_fb_set_par()
579 data = readl(sfb->regs + SHADOWCON); in s3c_fb_set_par()
581 writel(data, sfb->regs + SHADOWCON); in s3c_fb_set_par()
585 sfb->enabled |= (1 << win->index); in s3c_fb_set_par()
648 void __iomem *keycon = regs + sfb->variant.keycon; in s3c_fb_set_par()
662 writel(data, regs + sfb->variant.wincon + (win_no * 4)); in s3c_fb_set_par()
663 writel(0x0, regs + sfb->variant.winmap + (win_no * 4)); in s3c_fb_set_par()
666 if (sfb->variant.has_blendcon) { in s3c_fb_set_par()
667 data = readl(sfb->regs + BLENDCON); in s3c_fb_set_par()
673 writel(data, sfb->regs + BLENDCON); in s3c_fb_set_par()
678 pm_runtime_put_sync(sfb->dev); in s3c_fb_set_par()
697 static void s3c_fb_update_palette(struct s3c_fb *sfb, in s3c_fb_update_palette() argument
705 palreg = sfb->regs + sfb->variant.palette[win->index]; in s3c_fb_update_palette()
707 dev_dbg(sfb->dev, "%s: win %d, reg %d (%p): %08x\n", in s3c_fb_update_palette()
712 palcon = readl(sfb->regs + WPALCON); in s3c_fb_update_palette()
713 writel(palcon | WPALCON_PAL_UPDATE, sfb->regs + WPALCON); in s3c_fb_update_palette()
720 writel(palcon, sfb->regs + WPALCON); in s3c_fb_update_palette()
745 struct s3c_fb *sfb = win->parent; in s3c_fb_setcolreg() local
748 dev_dbg(sfb->dev, "%s: win %d: %d => rgb=%d/%d/%d\n", in s3c_fb_setcolreg()
751 pm_runtime_get_sync(sfb->dev); in s3c_fb_setcolreg()
774 s3c_fb_update_palette(sfb, win, regno, val); in s3c_fb_setcolreg()
780 pm_runtime_put_sync(sfb->dev); in s3c_fb_setcolreg()
784 pm_runtime_put_sync(sfb->dev); in s3c_fb_setcolreg()
798 struct s3c_fb *sfb = win->parent; in s3c_fb_blank() local
801 u32 output_on = sfb->output_on; in s3c_fb_blank()
803 dev_dbg(sfb->dev, "blank mode %d\n", blank_mode); in s3c_fb_blank()
805 pm_runtime_get_sync(sfb->dev); in s3c_fb_blank()
807 wincon = readl(sfb->regs + sfb->variant.wincon + (index * 4)); in s3c_fb_blank()
812 sfb->enabled &= ~(1 << index); in s3c_fb_blank()
819 sfb->regs + sfb->variant.winmap + (index * 4)); in s3c_fb_blank()
825 writel(0x0, sfb->regs + sfb->variant.winmap + (index * 4)); in s3c_fb_blank()
828 sfb->enabled |= (1 << index); in s3c_fb_blank()
834 pm_runtime_put_sync(sfb->dev); in s3c_fb_blank()
839 writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4)); in s3c_fb_blank()
846 s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); in s3c_fb_blank()
849 pm_runtime_put_sync(sfb->dev); in s3c_fb_blank()
851 return output_on == sfb->output_on; in s3c_fb_blank()
869 struct s3c_fb *sfb = win->parent; in s3c_fb_pan_display() local
870 void __iomem *buf = sfb->regs + win->index * 8; in s3c_fb_pan_display()
873 pm_runtime_get_sync(sfb->dev); in s3c_fb_pan_display()
892 dev_err(sfb->dev, "invalid bpp\n"); in s3c_fb_pan_display()
893 pm_runtime_put_sync(sfb->dev); in s3c_fb_pan_display()
904 writel(info->fix.smem_start + start_boff, buf + sfb->variant.buf_start); in s3c_fb_pan_display()
905 writel(info->fix.smem_start + end_boff, buf + sfb->variant.buf_end); in s3c_fb_pan_display()
909 pm_runtime_put_sync(sfb->dev); in s3c_fb_pan_display()
917 static void s3c_fb_enable_irq(struct s3c_fb *sfb) in s3c_fb_enable_irq() argument
919 void __iomem *regs = sfb->regs; in s3c_fb_enable_irq()
922 if (!test_and_set_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) { in s3c_fb_enable_irq()
942 static void s3c_fb_disable_irq(struct s3c_fb *sfb) in s3c_fb_disable_irq() argument
944 void __iomem *regs = sfb->regs; in s3c_fb_disable_irq()
947 if (test_and_clear_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) { in s3c_fb_disable_irq()
960 struct s3c_fb *sfb = dev_id; in s3c_fb_irq() local
961 void __iomem *regs = sfb->regs; in s3c_fb_irq()
964 spin_lock(&sfb->slock); in s3c_fb_irq()
973 sfb->vsync_info.count++; in s3c_fb_irq()
974 wake_up_interruptible(&sfb->vsync_info.wait); in s3c_fb_irq()
980 s3c_fb_disable_irq(sfb); in s3c_fb_irq()
982 spin_unlock(&sfb->slock); in s3c_fb_irq()
991 static int s3c_fb_wait_for_vsync(struct s3c_fb *sfb, u32 crtc) in s3c_fb_wait_for_vsync() argument
999 pm_runtime_get_sync(sfb->dev); in s3c_fb_wait_for_vsync()
1001 count = sfb->vsync_info.count; in s3c_fb_wait_for_vsync()
1002 s3c_fb_enable_irq(sfb); in s3c_fb_wait_for_vsync()
1003 ret = wait_event_interruptible_timeout(sfb->vsync_info.wait, in s3c_fb_wait_for_vsync()
1004 count != sfb->vsync_info.count, in s3c_fb_wait_for_vsync()
1007 pm_runtime_put_sync(sfb->dev); in s3c_fb_wait_for_vsync()
1019 struct s3c_fb *sfb = win->parent; in s3c_fb_ioctl() local
1030 ret = s3c_fb_wait_for_vsync(sfb, crtc); in s3c_fb_ioctl()
1079 static int s3c_fb_alloc_memory(struct s3c_fb *sfb, struct s3c_fb_win *win) in s3c_fb_alloc_memory() argument
1086 dev_dbg(sfb->dev, "allocating memory for display\n"); in s3c_fb_alloc_memory()
1091 dev_dbg(sfb->dev, "real_size=%u (%u.%u), virt_size=%u (%u.%u)\n", in s3c_fb_alloc_memory()
1102 dev_dbg(sfb->dev, "want %u bytes for window\n", size); in s3c_fb_alloc_memory()
1104 fbi->screen_buffer = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL); in s3c_fb_alloc_memory()
1108 dev_dbg(sfb->dev, "mapped %x to %p\n", in s3c_fb_alloc_memory()
1124 static void s3c_fb_free_memory(struct s3c_fb *sfb, struct s3c_fb_win *win) in s3c_fb_free_memory() argument
1129 dma_free_wc(sfb->dev, PAGE_ALIGN(fbi->fix.smem_len), 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
1146 if (sfb->variant.has_shadowcon) { in s3c_fb_release_win()
1147 data = readl(sfb->regs + SHADOWCON); in s3c_fb_release_win()
1150 writel(data, sfb->regs + SHADOWCON); in s3c_fb_release_win()
1155 s3c_fb_free_memory(sfb, win); in s3c_fb_release_win()
1170 static int s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no, in s3c_fb_probe_win() argument
1181 dev_dbg(sfb->dev, "probing window %d, variant %p\n", win_no, variant); in s3c_fb_probe_win()
1183 init_waitqueue_head(&sfb->vsync_info.wait); in s3c_fb_probe_win()
1188 palette_size * sizeof(u32), sfb->dev); in s3c_fb_probe_win()
1192 windata = sfb->pdata->win[win_no]; in s3c_fb_probe_win()
1193 initmode = *sfb->pdata->vtiming; in s3c_fb_probe_win()
1203 win->parent = sfb; in s3c_fb_probe_win()
1208 ret = s3c_fb_alloc_memory(sfb, win); in s3c_fb_probe_win()
1210 dev_err(sfb->dev, "failed to allocate display memory\n"); in s3c_fb_probe_win()
1251 dev_err(sfb->dev, "check_var failed on initial video params\n"); in s3c_fb_probe_win()
1261 dev_err(sfb->dev, "failed to allocate fb cmap\n"); in s3c_fb_probe_win()
1265 dev_dbg(sfb->dev, "about to register framebuffer\n"); in s3c_fb_probe_win()
1271 dev_err(sfb->dev, "failed to register framebuffer\n"); in s3c_fb_probe_win()
1275 dev_info(sfb->dev, "window %d: fb %s\n", win_no, fbinfo->fix.id); in s3c_fb_probe_win()
1286 static void s3c_fb_set_rgb_timing(struct s3c_fb *sfb) in s3c_fb_set_rgb_timing() argument
1288 struct fb_videomode *vmode = sfb->pdata->vtiming; in s3c_fb_set_rgb_timing()
1289 void __iomem *regs = sfb->regs; in s3c_fb_set_rgb_timing()
1296 clkdiv = s3c_fb_calc_pixclk(sfb, vmode->pixclock); in s3c_fb_set_rgb_timing()
1298 data = sfb->pdata->vidcon0; in s3c_fb_set_rgb_timing()
1306 if (sfb->variant.is_2443) in s3c_fb_set_rgb_timing()
1313 writel(data, regs + sfb->variant.vidtcon); in s3c_fb_set_rgb_timing()
1318 writel(data, regs + sfb->variant.vidtcon + 4); in s3c_fb_set_rgb_timing()
1324 writel(data, regs + sfb->variant.vidtcon + 8); in s3c_fb_set_rgb_timing()
1334 static void s3c_fb_clear_win(struct s3c_fb *sfb, int win) in s3c_fb_clear_win() argument
1336 void __iomem *regs = sfb->regs; in s3c_fb_clear_win()
1339 writel(0, regs + sfb->variant.wincon + (win * 4)); in s3c_fb_clear_win()
1340 writel(0, regs + VIDOSD_A(win, sfb->variant)); in s3c_fb_clear_win()
1341 writel(0, regs + VIDOSD_B(win, sfb->variant)); in s3c_fb_clear_win()
1342 writel(0, regs + VIDOSD_C(win, sfb->variant)); in s3c_fb_clear_win()
1344 if (sfb->variant.has_shadowcon) { in s3c_fb_clear_win()
1345 reg = readl(sfb->regs + SHADOWCON); in s3c_fb_clear_win()
1349 writel(reg, sfb->regs + SHADOWCON); in s3c_fb_clear_win()
1359 struct s3c_fb *sfb; in s3c_fb_probe() local
1378 sfb = devm_kzalloc(dev, sizeof(*sfb), GFP_KERNEL); in s3c_fb_probe()
1379 if (!sfb) in s3c_fb_probe()
1382 dev_dbg(dev, "allocate new framebuffer %p\n", sfb); in s3c_fb_probe()
1384 sfb->dev = dev; in s3c_fb_probe()
1385 sfb->pdata = pd; in s3c_fb_probe()
1386 sfb->variant = fbdrv->variant; in s3c_fb_probe()
1388 spin_lock_init(&sfb->slock); in s3c_fb_probe()
1390 sfb->bus_clk = devm_clk_get(dev, "lcd"); in s3c_fb_probe()
1391 if (IS_ERR(sfb->bus_clk)) in s3c_fb_probe()
1392 return dev_err_probe(dev, PTR_ERR(sfb->bus_clk), in s3c_fb_probe()
1395 clk_prepare_enable(sfb->bus_clk); in s3c_fb_probe()
1397 if (!sfb->variant.has_clksel) { in s3c_fb_probe()
1398 sfb->lcd_clk = devm_clk_get(dev, "sclk_fimd"); in s3c_fb_probe()
1399 if (IS_ERR(sfb->lcd_clk)) { in s3c_fb_probe()
1400 ret = dev_err_probe(dev, PTR_ERR(sfb->lcd_clk), in s3c_fb_probe()
1405 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_probe()
1408 pm_runtime_enable(sfb->dev); in s3c_fb_probe()
1410 sfb->regs = devm_platform_ioremap_resource(pdev, 0); in s3c_fb_probe()
1411 if (IS_ERR(sfb->regs)) { in s3c_fb_probe()
1412 ret = PTR_ERR(sfb->regs); in s3c_fb_probe()
1416 sfb->irq_no = platform_get_irq(pdev, 0); in s3c_fb_probe()
1417 if (sfb->irq_no < 0) { in s3c_fb_probe()
1422 ret = devm_request_irq(dev, sfb->irq_no, s3c_fb_irq, in s3c_fb_probe()
1423 0, "s3c_fb", sfb); in s3c_fb_probe()
1429 dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs); in s3c_fb_probe()
1431 platform_set_drvdata(pdev, sfb); in s3c_fb_probe()
1432 pm_runtime_get_sync(sfb->dev); in s3c_fb_probe()
1438 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_probe()
1441 if (sfb->variant.has_fixvclk) { in s3c_fb_probe()
1442 reg = readl(sfb->regs + VIDCON1); in s3c_fb_probe()
1445 writel(reg, sfb->regs + VIDCON1); in s3c_fb_probe()
1451 s3c_fb_clear_win(sfb, win); in s3c_fb_probe()
1455 void __iomem *regs = sfb->regs + sfb->variant.keycon; in s3c_fb_probe()
1462 s3c_fb_set_rgb_timing(sfb); in s3c_fb_probe()
1470 ret = s3c_fb_probe_win(sfb, win, fbdrv->win[win], in s3c_fb_probe()
1471 &sfb->windows[win]); in s3c_fb_probe()
1475 s3c_fb_release_win(sfb, sfb->windows[win]); in s3c_fb_probe()
1480 platform_set_drvdata(pdev, sfb); in s3c_fb_probe()
1481 pm_runtime_put_sync(sfb->dev); in s3c_fb_probe()
1486 pm_runtime_put_sync(sfb->dev); in s3c_fb_probe()
1489 pm_runtime_disable(sfb->dev); in s3c_fb_probe()
1491 if (!sfb->variant.has_clksel) in s3c_fb_probe()
1492 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_probe()
1495 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_probe()
1509 struct s3c_fb *sfb = platform_get_drvdata(pdev); in s3c_fb_remove() local
1512 pm_runtime_get_sync(sfb->dev); in s3c_fb_remove()
1515 if (sfb->windows[win]) in s3c_fb_remove()
1516 s3c_fb_release_win(sfb, sfb->windows[win]); in s3c_fb_remove()
1518 if (!sfb->variant.has_clksel) in s3c_fb_remove()
1519 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_remove()
1521 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_remove()
1523 pm_runtime_put_sync(sfb->dev); in s3c_fb_remove()
1524 pm_runtime_disable(sfb->dev); in s3c_fb_remove()
1530 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_suspend() local
1534 pm_runtime_get_sync(sfb->dev); in s3c_fb_suspend()
1537 win = sfb->windows[win_no]; in s3c_fb_suspend()
1545 if (!sfb->variant.has_clksel) in s3c_fb_suspend()
1546 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_suspend()
1548 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_suspend()
1550 pm_runtime_put_sync(sfb->dev); in s3c_fb_suspend()
1557 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_resume() local
1558 struct s3c_fb_platdata *pd = sfb->pdata; in s3c_fb_resume()
1563 pm_runtime_get_sync(sfb->dev); in s3c_fb_resume()
1565 clk_prepare_enable(sfb->bus_clk); in s3c_fb_resume()
1567 if (!sfb->variant.has_clksel) in s3c_fb_resume()
1568 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_resume()
1572 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_resume()
1575 if (sfb->variant.has_fixvclk) { in s3c_fb_resume()
1576 reg = readl(sfb->regs + VIDCON1); in s3c_fb_resume()
1579 writel(reg, sfb->regs + VIDCON1); in s3c_fb_resume()
1583 for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++) in s3c_fb_resume()
1584 s3c_fb_clear_win(sfb, win_no); in s3c_fb_resume()
1586 for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) { in s3c_fb_resume()
1587 void __iomem *regs = sfb->regs + sfb->variant.keycon; in s3c_fb_resume()
1588 win = sfb->windows[win_no]; in s3c_fb_resume()
1599 s3c_fb_set_rgb_timing(sfb); in s3c_fb_resume()
1603 win = sfb->windows[win_no]; in s3c_fb_resume()
1611 pm_runtime_put_sync(sfb->dev); in s3c_fb_resume()
1620 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_runtime_suspend() local
1622 if (!sfb->variant.has_clksel) in s3c_fb_runtime_suspend()
1623 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_runtime_suspend()
1625 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_runtime_suspend()
1632 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_runtime_resume() local
1633 struct s3c_fb_platdata *pd = sfb->pdata; in s3c_fb_runtime_resume()
1635 clk_prepare_enable(sfb->bus_clk); in s3c_fb_runtime_resume()
1637 if (!sfb->variant.has_clksel) in s3c_fb_runtime_resume()
1638 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_runtime_resume()
1642 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_runtime_resume()