video: exynos_fimd: Add framework to disable FIMD sysmmu

[karo-tx-uboot.git] / drivers / video / mxc_ipuv3_fb.c

diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c
index 1bee54c1a1f6bf469421b85ef35db28cbd7605bd..f75d77064ea5334c6211130f367987c61bd742cd 100644 (file)
--- a/drivers/video/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc_ipuv3_fb.c
@@ -8,27 +8,12 @@
  *
  * (C) Copyright 2004-2010 Freescale Semiconductor, Inc.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <asm/errno.h>
+#include <asm/global_data.h>
 #include <linux/string.h>
 #include <linux/list.h>
 #include <linux/fb.h>
@@ -38,13 +23,16 @@
 #include "videomodes.h"
 #include "ipu.h"
 #include "mxcfb.h"
+#include "ipu_regs.h"
+
+DECLARE_GLOBAL_DATA_PTR;
 
 static int mxcfb_map_video_memory(struct fb_info *fbi);
 static int mxcfb_unmap_video_memory(struct fb_info *fbi);
 
 /* graphics setup */
 static GraphicDevice panel;
-static struct fb_videomode *gmode;
+static struct fb_videomode const *gmode;
 static uint8_t gdisp;
 static uint32_t gpixfmt;
 
@@ -414,8 +402,9 @@ static int mxcfb_map_video_memory(struct fb_info *fbi)
                fbi->fix.smem_len = fbi->var.yres_virtual *
                                    fbi->fix.line_length;
        }
-
-       fbi->screen_base = (char *)malloc(fbi->fix.smem_len);
+       fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
+       fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
+                                           fbi->fix.smem_len);
        fbi->fix.smem_start = (unsigned long)fbi->screen_base;
        if (fbi->screen_base == 0) {
                puts("Unable to allocate framebuffer memory\n");
@@ -429,6 +418,8 @@ static int mxcfb_map_video_memory(struct fb_info *fbi)
 
        fbi->screen_size = fbi->fix.smem_len;
 
+       gd->fb_base = fbi->fix.smem_start;
+
        /* Clear the screen */
        memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);
 
@@ -502,7 +493,7 @@ static struct fb_info *mxcfb_init_fbinfo(void)
  * @return      Appropriate error code to the kernel common code
  */
 static int mxcfb_probe(u32 interface_pix_fmt, uint8_t disp,
-                       struct fb_videomode *mode)
+                       struct fb_videomode const *mode)
 {
        struct fb_info *fbi;
        struct mxcfb_info *mxcfbi;
@@ -576,6 +567,25 @@ err0:
        return ret;
 }
 
+void ipuv3_fb_shutdown(void)
+{
+       int i;
+       struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
+
+       for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
+               struct fb_info *fbi = mxcfb_info[i];
+               if (fbi) {
+                       struct mxcfb_info *mxc_fbi = fbi->par;
+                       ipu_disable_channel(mxc_fbi->ipu_ch);
+                       ipu_uninit_channel(mxc_fbi->ipu_ch);
+               }
+       }
+       for (i = 0; i < ARRAY_SIZE(stat->int_stat); i++) {
+               __raw_writel(__raw_readl(&stat->int_stat[i]),
+                            &stat->int_stat[i]);
+       }
+}
+
 void *video_hw_init(void)
 {
        int ret;
@@ -599,7 +609,9 @@ void video_set_lut(unsigned int index, /* color number */
        return;
 }
 
-int mx51_fb_init(struct fb_videomode *mode, uint8_t disp, uint32_t pixfmt)
+int ipuv3_fb_init(struct fb_videomode const *mode,
+                 uint8_t disp,
+                 uint32_t pixfmt)
 {
        gmode = mode;
        gdisp = disp;