atmel_lcdfb: factorise common code between lcdc and new hlcdc IP

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/video/atmel_lcdfb.h b/drivers/video/atmel_lcdfb.h
new file mode 100644
index 0000000000..6c53dd46d2
--- /dev/null
+++ b/drivers/video/atmel_lcdfb.h
@@ -0,0 +1,37 @@
+
+#include <fb.h>
+#include <video/atmel_lcdc.h>
+
+struct atmel_lcdfb_info;
+
+struct atmel_lcdfb_devdata {
+	void (*start)(struct atmel_lcdfb_info *sinfo);
+	void (*stop)(struct atmel_lcdfb_info *sinfo, u32 flags);
+	void (*update_dma)(struct fb_info *info);
+	void (*setup_core)(struct fb_info *info);
+	void (*init_contrast)(struct atmel_lcdfb_info *sinfo);
+	void (*limit_screeninfo)(struct fb_videomode *mode);
+	int fbinfo_flags;
+	int dma_desc_size;
+};
+
+struct atmel_lcdfb_info {
+	struct fb_info		info;
+	void __iomem		*mmio;
+	struct device_d		*device;
+
+	unsigned int		guard_time;
+	unsigned int		smem_len;
+	struct clk		*bus_clk;
+	struct clk		*lcdc_clk;
+
+	struct atmel_lcdfb_platform_data *pdata;
+	struct atmel_lcdfb_devdata *dev_data;
+};
+
+#define lcdc_readl(sinfo, reg)		__raw_readl((sinfo)->mmio+(reg))
+#define lcdc_writel(sinfo, reg, val)	__raw_writel((val), (sinfo)->mmio+(reg))
+
+#define ATMEL_LCDC_STOP_NOWAIT (1 << 0)
+
+int atmel_lcdc_register(struct device_d *dev, struct atmel_lcdfb_devdata *data);