Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / video / fbdev / amba-clcd-versatile.c

diff --git a/kernel/drivers/video/fbdev/amba-clcd-versatile.c b/kernel/drivers/video/fbdev/amba-clcd-versatile.c
new file mode 100644 (file)
index 0000000..7a8afcd
--- /dev/null
+++ b/kernel/drivers/video/fbdev/amba-clcd-versatile.c
@@ -0,0 +1,182 @@
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/platform_data/video-clcd-versatile.h>
+
+static struct clcd_panel vga = {
+       .mode           = {
+               .name           = "VGA",
+               .refresh        = 60,
+               .xres           = 640,
+               .yres           = 480,
+               .pixclock       = 39721,
+               .left_margin    = 40,
+               .right_margin   = 24,
+               .upper_margin   = 32,
+               .lower_margin   = 11,
+               .hsync_len      = 96,
+               .vsync_len      = 2,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_BCD | TIM2_IPC,
+       .cntl           = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
+       .caps           = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
+       .bpp            = 16,
+};
+
+static struct clcd_panel xvga = {
+       .mode           = {
+               .name           = "XVGA",
+               .refresh        = 60,
+               .xres           = 1024,
+               .yres           = 768,
+               .pixclock       = 15748,
+               .left_margin    = 152,
+               .right_margin   = 48,
+               .upper_margin   = 23,
+               .lower_margin   = 3,
+               .hsync_len      = 104,
+               .vsync_len      = 4,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_BCD | TIM2_IPC,
+       .cntl           = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
+       .caps           = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
+       .bpp            = 16,
+};
+
+/* Sanyo TM38QV67A02A - 3.8 inch QVGA (320x240) Color TFT */
+static struct clcd_panel sanyo_tm38qv67a02a = {
+       .mode           = {
+               .name           = "Sanyo TM38QV67A02A",
+               .refresh        = 116,
+               .xres           = 320,
+               .yres           = 240,
+               .pixclock       = 100000,
+               .left_margin    = 6,
+               .right_margin   = 6,
+               .upper_margin   = 5,
+               .lower_margin   = 5,
+               .hsync_len      = 6,
+               .vsync_len      = 6,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_BCD,
+       .cntl           = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
+       .caps           = CLCD_CAP_5551,
+       .bpp            = 16,
+};
+
+static struct clcd_panel sanyo_2_5_in = {
+       .mode           = {
+               .name           = "Sanyo QVGA Portrait",
+               .refresh        = 116,
+               .xres           = 240,
+               .yres           = 320,
+               .pixclock       = 100000,
+               .left_margin    = 20,
+               .right_margin   = 10,
+               .upper_margin   = 2,
+               .lower_margin   = 2,
+               .hsync_len      = 10,
+               .vsync_len      = 2,
+               .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_IVS | TIM2_IHS | TIM2_IPC,
+       .cntl           = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
+       .caps           = CLCD_CAP_5551,
+       .bpp            = 16,
+};
+
+/* Epson L2F50113T00 - 2.2 inch 176x220 Color TFT */
+static struct clcd_panel epson_l2f50113t00 = {
+       .mode           = {
+               .name           = "Epson L2F50113T00",
+               .refresh        = 390,
+               .xres           = 176,
+               .yres           = 220,
+               .pixclock       = 62500,
+               .left_margin    = 3,
+               .right_margin   = 2,
+               .upper_margin   = 1,
+               .lower_margin   = 0,
+               .hsync_len      = 3,
+               .vsync_len      = 2,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+       .width          = -1,
+       .height         = -1,
+       .tim2           = TIM2_BCD | TIM2_IPC,
+       .cntl           = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
+       .caps           = CLCD_CAP_5551,
+       .bpp            = 16,
+};
+
+static struct clcd_panel *panels[] = {
+       &vga,
+       &xvga,
+       &sanyo_tm38qv67a02a,
+       &sanyo_2_5_in,
+       &epson_l2f50113t00,
+};
+
+struct clcd_panel *versatile_clcd_get_panel(const char *name)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(panels); i++)
+               if (strcmp(panels[i]->mode.name, name) == 0)
+                       break;
+
+       if (i < ARRAY_SIZE(panels))
+               return panels[i];
+
+       pr_err("CLCD: couldn't get parameters for panel %s\n", name);
+
+       return NULL;
+}
+
+int versatile_clcd_setup_dma(struct clcd_fb *fb, unsigned long framesize)
+{
+       dma_addr_t dma;
+
+       fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, framesize,
+                                                   &dma, GFP_KERNEL);
+       if (!fb->fb.screen_base) {
+               pr_err("CLCD: unable to map framebuffer\n");
+               return -ENOMEM;
+       }
+
+       fb->fb.fix.smem_start   = dma;
+       fb->fb.fix.smem_len     = framesize;
+
+       return 0;
+}
+
+int versatile_clcd_mmap_dma(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+       return dma_mmap_writecombine(&fb->dev->dev, vma,
+                                    fb->fb.screen_base,
+                                    fb->fb.fix.smem_start,
+                                    fb->fb.fix.smem_len);
+}
+
+void versatile_clcd_remove_dma(struct clcd_fb *fb)
+{
+       dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
+                             fb->fb.screen_base, fb->fb.fix.smem_start);
+}