Lines Matching refs:sfb
243 struct s3c_fb *sfb = win->parent; in s3c_fb_check_var() local
245 dev_dbg(sfb->dev, "checking parameters\n"); in s3c_fb_check_var()
251 dev_dbg(sfb->dev, "win %d: unsupported bpp %d\n", in s3c_fb_check_var()
265 if (sfb->variant.palette[win->index] != 0) { in s3c_fb_check_var()
328 dev_err(sfb->dev, "invalid bpp\n"); in s3c_fb_check_var()
332 dev_dbg(sfb->dev, "%s: verified parameters\n", __func__); in s3c_fb_check_var()
344 static int s3c_fb_calc_pixclk(struct s3c_fb *sfb, unsigned int pixclk) in s3c_fb_calc_pixclk() argument
350 if (sfb->variant.has_clksel) in s3c_fb_calc_pixclk()
351 clk = clk_get_rate(sfb->bus_clk); in s3c_fb_calc_pixclk()
353 clk = clk_get_rate(sfb->lcd_clk); in s3c_fb_calc_pixclk()
361 dev_dbg(sfb->dev, "pixclk=%u, clk=%lu, div=%d (%lu)\n", in s3c_fb_calc_pixclk()
394 struct s3c_fb *sfb = win->parent; in vidosd_set_size() local
398 writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant) in vidosd_set_size()
410 struct s3c_fb *sfb = win->parent; in vidosd_set_alpha() local
413 writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant)); in vidosd_set_alpha()
424 struct s3c_fb *sfb = win->parent; in shadow_protect_win() local
428 if (sfb->variant.has_prtcon) { in shadow_protect_win()
429 writel(PRTCON_PROTECT, sfb->regs + PRTCON); in shadow_protect_win()
430 } else if (sfb->variant.has_shadowcon) { in shadow_protect_win()
431 reg = readl(sfb->regs + SHADOWCON); in shadow_protect_win()
433 sfb->regs + SHADOWCON); in shadow_protect_win()
436 if (sfb->variant.has_prtcon) { in shadow_protect_win()
437 writel(0, sfb->regs + PRTCON); in shadow_protect_win()
438 } else if (sfb->variant.has_shadowcon) { in shadow_protect_win()
439 reg = readl(sfb->regs + SHADOWCON); in shadow_protect_win()
441 sfb->regs + SHADOWCON); in shadow_protect_win()
451 static void s3c_fb_enable(struct s3c_fb *sfb, int enable) in s3c_fb_enable() argument
453 u32 vidcon0 = readl(sfb->regs + VIDCON0); in s3c_fb_enable()
455 if (enable && !sfb->output_on) in s3c_fb_enable()
456 pm_runtime_get_sync(sfb->dev); in s3c_fb_enable()
471 writel(vidcon0, sfb->regs + VIDCON0); in s3c_fb_enable()
473 if (!enable && sfb->output_on) in s3c_fb_enable()
474 pm_runtime_put_sync(sfb->dev); in s3c_fb_enable()
476 sfb->output_on = enable; in s3c_fb_enable()
489 struct s3c_fb *sfb = win->parent; in s3c_fb_set_par() local
490 void __iomem *regs = sfb->regs; in s3c_fb_set_par()
497 dev_dbg(sfb->dev, "setting framebuffer parameters\n"); in s3c_fb_set_par()
499 pm_runtime_get_sync(sfb->dev); in s3c_fb_set_par()
532 if (!sfb->output_on) in s3c_fb_set_par()
533 s3c_fb_enable(sfb, 1); in s3c_fb_set_par()
540 writel(info->fix.smem_start, buf + sfb->variant.buf_start); in s3c_fb_set_par()
543 writel(data, buf + sfb->variant.buf_end); in s3c_fb_set_par()
550 writel(data, regs + sfb->variant.buf_size + (win_no * 4)); in s3c_fb_set_par()
556 writel(data, regs + VIDOSD_A(win_no, sfb->variant)); in s3c_fb_set_par()
565 writel(data, regs + VIDOSD_B(win_no, sfb->variant)); in s3c_fb_set_par()
577 if (sfb->variant.has_shadowcon) { in s3c_fb_set_par()
578 data = readl(sfb->regs + SHADOWCON); in s3c_fb_set_par()
580 writel(data, sfb->regs + SHADOWCON); in s3c_fb_set_par()
584 sfb->enabled |= (1 << win->index); in s3c_fb_set_par()
647 void __iomem *keycon = regs + sfb->variant.keycon; in s3c_fb_set_par()
661 writel(data, regs + sfb->variant.wincon + (win_no * 4)); in s3c_fb_set_par()
662 writel(0x0, regs + sfb->variant.winmap + (win_no * 4)); in s3c_fb_set_par()
665 if (sfb->variant.has_blendcon) { in s3c_fb_set_par()
666 data = readl(sfb->regs + BLENDCON); in s3c_fb_set_par()
672 writel(data, sfb->regs + BLENDCON); in s3c_fb_set_par()
677 pm_runtime_put_sync(sfb->dev); in s3c_fb_set_par()
696 static void s3c_fb_update_palette(struct s3c_fb *sfb, in s3c_fb_update_palette() argument
704 palreg = sfb->regs + sfb->variant.palette[win->index]; in s3c_fb_update_palette()
706 dev_dbg(sfb->dev, "%s: win %d, reg %d (%p): %08x\n", in s3c_fb_update_palette()
711 palcon = readl(sfb->regs + WPALCON); in s3c_fb_update_palette()
712 writel(palcon | WPALCON_PAL_UPDATE, sfb->regs + WPALCON); in s3c_fb_update_palette()
719 writel(palcon, sfb->regs + WPALCON); in s3c_fb_update_palette()
744 struct s3c_fb *sfb = win->parent; in s3c_fb_setcolreg() local
747 dev_dbg(sfb->dev, "%s: win %d: %d => rgb=%d/%d/%d\n", in s3c_fb_setcolreg()
750 pm_runtime_get_sync(sfb->dev); in s3c_fb_setcolreg()
773 s3c_fb_update_palette(sfb, win, regno, val); in s3c_fb_setcolreg()
779 pm_runtime_put_sync(sfb->dev); in s3c_fb_setcolreg()
783 pm_runtime_put_sync(sfb->dev); in s3c_fb_setcolreg()
797 struct s3c_fb *sfb = win->parent; in s3c_fb_blank() local
800 u32 output_on = sfb->output_on; in s3c_fb_blank()
802 dev_dbg(sfb->dev, "blank mode %d\n", blank_mode); in s3c_fb_blank()
804 pm_runtime_get_sync(sfb->dev); in s3c_fb_blank()
806 wincon = readl(sfb->regs + sfb->variant.wincon + (index * 4)); in s3c_fb_blank()
811 sfb->enabled &= ~(1 << index); in s3c_fb_blank()
818 sfb->regs + sfb->variant.winmap + (index * 4)); in s3c_fb_blank()
824 writel(0x0, sfb->regs + sfb->variant.winmap + (index * 4)); in s3c_fb_blank()
827 sfb->enabled |= (1 << index); in s3c_fb_blank()
833 pm_runtime_put_sync(sfb->dev); in s3c_fb_blank()
838 writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4)); in s3c_fb_blank()
845 s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); in s3c_fb_blank()
848 pm_runtime_put_sync(sfb->dev); in s3c_fb_blank()
850 return output_on == sfb->output_on; in s3c_fb_blank()
868 struct s3c_fb *sfb = win->parent; in s3c_fb_pan_display() local
869 void __iomem *buf = sfb->regs + win->index * 8; in s3c_fb_pan_display()
872 pm_runtime_get_sync(sfb->dev); in s3c_fb_pan_display()
891 dev_err(sfb->dev, "invalid bpp\n"); in s3c_fb_pan_display()
892 pm_runtime_put_sync(sfb->dev); in s3c_fb_pan_display()
903 writel(info->fix.smem_start + start_boff, buf + sfb->variant.buf_start); in s3c_fb_pan_display()
904 writel(info->fix.smem_start + end_boff, buf + sfb->variant.buf_end); in s3c_fb_pan_display()
908 pm_runtime_put_sync(sfb->dev); in s3c_fb_pan_display()
916 static void s3c_fb_enable_irq(struct s3c_fb *sfb) in s3c_fb_enable_irq() argument
918 void __iomem *regs = sfb->regs; in s3c_fb_enable_irq()
921 if (!test_and_set_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) { in s3c_fb_enable_irq()
941 static void s3c_fb_disable_irq(struct s3c_fb *sfb) in s3c_fb_disable_irq() argument
943 void __iomem *regs = sfb->regs; in s3c_fb_disable_irq()
946 if (test_and_clear_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) { in s3c_fb_disable_irq()
959 struct s3c_fb *sfb = dev_id; in s3c_fb_irq() local
960 void __iomem *regs = sfb->regs; in s3c_fb_irq()
963 spin_lock(&sfb->slock); in s3c_fb_irq()
972 sfb->vsync_info.count++; in s3c_fb_irq()
973 wake_up_interruptible(&sfb->vsync_info.wait); in s3c_fb_irq()
979 s3c_fb_disable_irq(sfb); in s3c_fb_irq()
981 spin_unlock(&sfb->slock); in s3c_fb_irq()
990 static int s3c_fb_wait_for_vsync(struct s3c_fb *sfb, u32 crtc) in s3c_fb_wait_for_vsync() argument
998 pm_runtime_get_sync(sfb->dev); in s3c_fb_wait_for_vsync()
1000 count = sfb->vsync_info.count; in s3c_fb_wait_for_vsync()
1001 s3c_fb_enable_irq(sfb); in s3c_fb_wait_for_vsync()
1002 ret = wait_event_interruptible_timeout(sfb->vsync_info.wait, in s3c_fb_wait_for_vsync()
1003 count != sfb->vsync_info.count, in s3c_fb_wait_for_vsync()
1006 pm_runtime_put_sync(sfb->dev); in s3c_fb_wait_for_vsync()
1018 struct s3c_fb *sfb = win->parent; in s3c_fb_ioctl() local
1029 ret = s3c_fb_wait_for_vsync(sfb, crtc); 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
1087 dev_dbg(sfb->dev, "allocating memory for display\n"); in s3c_fb_alloc_memory()
1092 dev_dbg(sfb->dev, "real_size=%u (%u.%u), virt_size=%u (%u.%u)\n", in s3c_fb_alloc_memory()
1103 dev_dbg(sfb->dev, "want %u bytes for window\n", size); in s3c_fb_alloc_memory()
1105 fbi->screen_buffer = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL); in s3c_fb_alloc_memory()
1109 dev_dbg(sfb->dev, "mapped %x to %p\n", 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
1130 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()
1169 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()
1204 win->parent = sfb; in s3c_fb_probe_win()
1209 ret = s3c_fb_alloc_memory(sfb, win); in s3c_fb_probe_win()
1211 dev_err(sfb->dev, "failed to allocate display memory\n"); in s3c_fb_probe_win()
1253 dev_err(sfb->dev, "check_var failed on initial video params\n"); in s3c_fb_probe_win()
1263 dev_err(sfb->dev, "failed to allocate fb cmap\n"); in s3c_fb_probe_win()
1267 dev_dbg(sfb->dev, "about to register framebuffer\n"); in s3c_fb_probe_win()
1273 dev_err(sfb->dev, "failed to register framebuffer\n"); in s3c_fb_probe_win()
1277 dev_info(sfb->dev, "window %d: fb %s\n", win_no, fbinfo->fix.id); in s3c_fb_probe_win()
1288 static void s3c_fb_set_rgb_timing(struct s3c_fb *sfb) in s3c_fb_set_rgb_timing() argument
1290 struct fb_videomode *vmode = sfb->pdata->vtiming; in s3c_fb_set_rgb_timing()
1291 void __iomem *regs = sfb->regs; in s3c_fb_set_rgb_timing()
1298 clkdiv = s3c_fb_calc_pixclk(sfb, vmode->pixclock); in s3c_fb_set_rgb_timing()
1300 data = sfb->pdata->vidcon0; in s3c_fb_set_rgb_timing()
1308 if (sfb->variant.is_2443) in s3c_fb_set_rgb_timing()
1315 writel(data, regs + sfb->variant.vidtcon); in s3c_fb_set_rgb_timing()
1320 writel(data, regs + sfb->variant.vidtcon + 4); in s3c_fb_set_rgb_timing()
1326 writel(data, regs + sfb->variant.vidtcon + 8); in s3c_fb_set_rgb_timing()
1336 static void s3c_fb_clear_win(struct s3c_fb *sfb, int win) in s3c_fb_clear_win() argument
1338 void __iomem *regs = sfb->regs; in s3c_fb_clear_win()
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()
1346 if (sfb->variant.has_shadowcon) { in s3c_fb_clear_win()
1347 reg = readl(sfb->regs + SHADOWCON); in s3c_fb_clear_win()
1351 writel(reg, sfb->regs + SHADOWCON); in s3c_fb_clear_win()
1361 struct s3c_fb *sfb; in s3c_fb_probe() local
1381 sfb = devm_kzalloc(dev, sizeof(*sfb), GFP_KERNEL); in s3c_fb_probe()
1382 if (!sfb) in s3c_fb_probe()
1385 dev_dbg(dev, "allocate new framebuffer %p\n", sfb); in s3c_fb_probe()
1387 sfb->dev = dev; in s3c_fb_probe()
1388 sfb->pdata = pd; in s3c_fb_probe()
1389 sfb->variant = fbdrv->variant; in s3c_fb_probe()
1391 spin_lock_init(&sfb->slock); in s3c_fb_probe()
1393 sfb->bus_clk = devm_clk_get(dev, "lcd"); in s3c_fb_probe()
1394 if (IS_ERR(sfb->bus_clk)) { in s3c_fb_probe()
1396 return PTR_ERR(sfb->bus_clk); in s3c_fb_probe()
1399 clk_prepare_enable(sfb->bus_clk); in s3c_fb_probe()
1401 if (!sfb->variant.has_clksel) { in s3c_fb_probe()
1402 sfb->lcd_clk = devm_clk_get(dev, "sclk_fimd"); in s3c_fb_probe()
1403 if (IS_ERR(sfb->lcd_clk)) { in s3c_fb_probe()
1405 ret = PTR_ERR(sfb->lcd_clk); in s3c_fb_probe()
1409 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_probe()
1412 pm_runtime_enable(sfb->dev); in s3c_fb_probe()
1414 sfb->regs = devm_platform_ioremap_resource(pdev, 0); in s3c_fb_probe()
1415 if (IS_ERR(sfb->regs)) { in s3c_fb_probe()
1416 ret = PTR_ERR(sfb->regs); in s3c_fb_probe()
1426 sfb->irq_no = res->start; in s3c_fb_probe()
1427 ret = devm_request_irq(dev, sfb->irq_no, s3c_fb_irq, in s3c_fb_probe()
1428 0, "s3c_fb", sfb); in s3c_fb_probe()
1434 dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs); in s3c_fb_probe()
1436 platform_set_drvdata(pdev, sfb); in s3c_fb_probe()
1437 pm_runtime_get_sync(sfb->dev); in s3c_fb_probe()
1443 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_probe()
1446 if (sfb->variant.has_fixvclk) { in s3c_fb_probe()
1447 reg = readl(sfb->regs + VIDCON1); in s3c_fb_probe()
1450 writel(reg, sfb->regs + VIDCON1); in s3c_fb_probe()
1456 s3c_fb_clear_win(sfb, win); in s3c_fb_probe()
1460 void __iomem *regs = sfb->regs + sfb->variant.keycon; in s3c_fb_probe()
1467 s3c_fb_set_rgb_timing(sfb); 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()
1480 s3c_fb_release_win(sfb, sfb->windows[win]); in s3c_fb_probe()
1485 platform_set_drvdata(pdev, sfb); in s3c_fb_probe()
1486 pm_runtime_put_sync(sfb->dev); in s3c_fb_probe()
1491 pm_runtime_put_sync(sfb->dev); in s3c_fb_probe()
1494 pm_runtime_disable(sfb->dev); in s3c_fb_probe()
1496 if (!sfb->variant.has_clksel) in s3c_fb_probe()
1497 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_probe()
1500 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_probe()
1514 struct s3c_fb *sfb = platform_get_drvdata(pdev); in s3c_fb_remove() local
1517 pm_runtime_get_sync(sfb->dev); 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()
1523 if (!sfb->variant.has_clksel) in s3c_fb_remove()
1524 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_remove()
1526 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_remove()
1528 pm_runtime_put_sync(sfb->dev); in s3c_fb_remove()
1529 pm_runtime_disable(sfb->dev); in s3c_fb_remove()
1537 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_suspend() local
1541 pm_runtime_get_sync(sfb->dev); in s3c_fb_suspend()
1544 win = sfb->windows[win_no]; in s3c_fb_suspend()
1552 if (!sfb->variant.has_clksel) in s3c_fb_suspend()
1553 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_suspend()
1555 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_suspend()
1557 pm_runtime_put_sync(sfb->dev); in s3c_fb_suspend()
1564 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_resume() local
1565 struct s3c_fb_platdata *pd = sfb->pdata; in s3c_fb_resume()
1570 pm_runtime_get_sync(sfb->dev); in s3c_fb_resume()
1572 clk_prepare_enable(sfb->bus_clk); in s3c_fb_resume()
1574 if (!sfb->variant.has_clksel) in s3c_fb_resume()
1575 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_resume()
1579 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_resume()
1582 if (sfb->variant.has_fixvclk) { in s3c_fb_resume()
1583 reg = readl(sfb->regs + VIDCON1); in s3c_fb_resume()
1586 writel(reg, sfb->regs + VIDCON1); in s3c_fb_resume()
1590 for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++) in s3c_fb_resume()
1591 s3c_fb_clear_win(sfb, win_no); in s3c_fb_resume()
1593 for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) { in s3c_fb_resume()
1594 void __iomem *regs = sfb->regs + sfb->variant.keycon; in s3c_fb_resume()
1595 win = sfb->windows[win_no]; in s3c_fb_resume()
1606 s3c_fb_set_rgb_timing(sfb); in s3c_fb_resume()
1610 win = sfb->windows[win_no]; in s3c_fb_resume()
1618 pm_runtime_put_sync(sfb->dev); in s3c_fb_resume()
1627 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_runtime_suspend() local
1629 if (!sfb->variant.has_clksel) in s3c_fb_runtime_suspend()
1630 clk_disable_unprepare(sfb->lcd_clk); in s3c_fb_runtime_suspend()
1632 clk_disable_unprepare(sfb->bus_clk); in s3c_fb_runtime_suspend()
1639 struct s3c_fb *sfb = dev_get_drvdata(dev); in s3c_fb_runtime_resume() local
1640 struct s3c_fb_platdata *pd = sfb->pdata; in s3c_fb_runtime_resume()
1642 clk_prepare_enable(sfb->bus_clk); in s3c_fb_runtime_resume()
1644 if (!sfb->variant.has_clksel) in s3c_fb_runtime_resume()
1645 clk_prepare_enable(sfb->lcd_clk); in s3c_fb_runtime_resume()
1649 writel(pd->vidcon1, sfb->regs + VIDCON1); in s3c_fb_runtime_resume()