Merge branch 'master' of git://git.denx.de/u-boot-socfpga
[oweals/u-boot.git] / drivers / video / video-uclass.c
index 63d0d9d7d3f5586f41b06f288db51e58295c8d29..3d658e61d7c6ccba03164ca239b6962a85478fb2 100644 (file)
@@ -1,11 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2015 Google, Inc
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
+#include <malloc.h>
 #include <mapmem.h>
 #include <stdio_dev.h>
 #include <video.h>
  */
 DECLARE_GLOBAL_DATA_PTR;
 
+void video_set_flush_dcache(struct udevice *dev, bool flush)
+{
+       struct video_priv *priv = dev_get_uclass_priv(dev);
+
+       priv->flush_dcache = flush;
+}
+
 static ulong alloc_fb(struct udevice *dev, ulong *addrp)
 {
        struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
        ulong base, align, size;
 
+       if (!plat->size)
+               return 0;
+
        align = plat->align ? plat->align : 1 << 20;
        base = *addrp - plat->size;
        base &= ~(align - 1);
@@ -77,43 +88,84 @@ int video_reserve(ulong *addrp)
        return 0;
 }
 
-static int video_clear(struct udevice *dev)
+int video_clear(struct udevice *dev)
 {
        struct video_priv *priv = dev_get_uclass_priv(dev);
 
-       if (priv->bpix == VIDEO_BPP32) {
-               u32 *ppix = priv->fb;
-               u32 *end = priv->fb + priv->fb_size;
-
-               while (ppix < end)
-                       *ppix++ = priv->colour_bg;
-       } else {
+       switch (priv->bpix) {
+       case VIDEO_BPP16:
+               if (IS_ENABLED(CONFIG_VIDEO_BPP16)) {
+                       u16 *ppix = priv->fb;
+                       u16 *end = priv->fb + priv->fb_size;
+
+                       while (ppix < end)
+                               *ppix++ = priv->colour_bg;
+                       break;
+               }
+       case VIDEO_BPP32:
+               if (IS_ENABLED(CONFIG_VIDEO_BPP32)) {
+                       u32 *ppix = priv->fb;
+                       u32 *end = priv->fb + priv->fb_size;
+
+                       while (ppix < end)
+                               *ppix++ = priv->colour_bg;
+                       break;
+               }
+       default:
                memset(priv->fb, priv->colour_bg, priv->fb_size);
+               break;
        }
 
        return 0;
 }
 
+void video_set_default_colors(struct udevice *dev, bool invert)
+{
+       struct video_priv *priv = dev_get_uclass_priv(dev);
+       int fore, back;
+
+       if (CONFIG_IS_ENABLED(SYS_WHITE_ON_BLACK)) {
+               /* White is used when switching to bold, use light gray here */
+               fore = VID_LIGHT_GRAY;
+               back = VID_BLACK;
+       } else {
+               fore = VID_BLACK;
+               back = VID_WHITE;
+       }
+       if (invert) {
+               int temp;
+
+               temp = fore;
+               fore = back;
+               back = temp;
+       }
+       priv->fg_col_idx = fore;
+       priv->bg_col_idx = back;
+       priv->colour_fg = vid_console_color(priv, fore);
+       priv->colour_bg = vid_console_color(priv, back);
+}
+
 /* Flush video activity to the caches */
-void video_sync(struct udevice *vid)
+void video_sync(struct udevice *vid, bool force)
 {
        /*
         * flush_dcache_range() is declared in common.h but it seems that some
         * architectures do not actually implement it. Is there a way to find
         * out whether it exists? For now, ARM is safe.
         */
-#if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
+#if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
        struct video_priv *priv = dev_get_uclass_priv(vid);
 
        if (priv->flush_dcache) {
                flush_dcache_range((ulong)priv->fb,
-                                  (ulong)priv->fb + priv->fb_size);
+                                  ALIGN((ulong)priv->fb + priv->fb_size,
+                                        CONFIG_SYS_CACHELINE_SIZE));
        }
 #elif defined(CONFIG_VIDEO_SANDBOX_SDL)
        struct video_priv *priv = dev_get_uclass_priv(vid);
        static ulong last_sync;
 
-       if (get_timer(last_sync) > 10) {
+       if (force || get_timer(last_sync) > 10) {
                sandbox_sdl_sync(priv->fb);
                last_sync = get_timer(0);
        }
@@ -128,7 +180,7 @@ void video_sync_all(void)
             dev;
             uclass_find_next_device(&dev)) {
                if (device_active(dev))
-                       video_sync(dev);
+                       video_sync(dev, true);
        }
 }
 
@@ -173,37 +225,56 @@ static int video_post_probe(struct udevice *dev)
        struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
        struct video_priv *priv = dev_get_uclass_priv(dev);
        char name[30], drv[15], *str;
+       const char *drv_name = drv;
        struct udevice *cons;
        int ret;
 
        /* Set up the line and display size */
        priv->fb = map_sysmem(plat->base, plat->size);
-       priv->line_length = priv->xsize * VNBYTES(priv->bpix);
+       if (!priv->line_length)
+               priv->line_length = priv->xsize * VNBYTES(priv->bpix);
+
        priv->fb_size = priv->line_length * priv->ysize;
 
-       /* Set up colours - we could in future support other colours */
-#ifdef CONFIG_SYS_WHITE_ON_BLACK
-       priv->colour_fg = 0xffffff;
-#else
-       priv->colour_bg = 0xffffff;
-#endif
-       video_clear(dev);
+       /* Set up colors  */
+       video_set_default_colors(dev, false);
+
+       if (!CONFIG_IS_ENABLED(NO_FB_CLEAR))
+               video_clear(dev);
 
        /*
-        * Create a text console devices. For now we always do this, although
+        * Create a text console device. For now we always do this, although
         * it might be useful to support only bitmap drawing on the device
-        * for boards that don't need to display text.
+        * for boards that don't need to display text. We create a TrueType
+        * console if enabled, a rotated console if the video driver requests
+        * it, otherwise a normal console.
+        *
+        * The console can be override by setting vidconsole_drv_name before
+        * probing this video driver, or in the probe() method.
+        *
+        * TrueType does not support rotation at present so fall back to the
+        * rotated console in that case.
         */
-       snprintf(name, sizeof(name), "%s.vidconsole", dev->name);
+       if (!priv->rot && IS_ENABLED(CONFIG_CONSOLE_TRUETYPE)) {
+               snprintf(name, sizeof(name), "%s.vidconsole_tt", dev->name);
+               strcpy(drv, "vidconsole_tt");
+       } else {
+               snprintf(name, sizeof(name), "%s.vidconsole%d", dev->name,
+                        priv->rot);
+               snprintf(drv, sizeof(drv), "vidconsole%d", priv->rot);
+       }
+
        str = strdup(name);
        if (!str)
                return -ENOMEM;
-       snprintf(drv, sizeof(drv), "vidconsole%d", priv->rot);
-       ret = device_bind_driver(dev, drv, str, &cons);
+       if (priv->vidconsole_drv_name)
+               drv_name = priv->vidconsole_drv_name;
+       ret = device_bind_driver(dev, drv_name, str, &cons);
        if (ret) {
                debug("%s: Cannot bind console driver\n", __func__);
                return ret;
        }
+
        ret = device_probe(cons);
        if (ret) {
                debug("%s: Cannot probe console driver\n", __func__);
@@ -220,11 +291,13 @@ static int video_post_bind(struct udevice *dev)
        ulong size;
 
        /* Before relocation there is nothing to do here */
-       if ((!gd->flags & GD_FLG_RELOC))
+       if (!(gd->flags & GD_FLG_RELOC))
                return 0;
        size = alloc_fb(dev, &addr);
        if (addr < gd->video_bottom) {
-               /* Device tree node may need the 'u-boot,dm-pre-reloc' tag */
+               /* Device tree node may need the 'u-boot,dm-pre-reloc' or
+                * 'u-boot,dm-pre-proper' tag
+                */
                printf("Video device '%s' cannot allocate frame buffer memory -ensure the device is set up before relocation\n",
                       dev->name);
                return -ENOSPC;