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Diffstat (limited to 'drivers/video/fbdev/i810/i810_main.h')
-rw-r--r--drivers/video/fbdev/i810/i810_main.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/video/fbdev/i810/i810_main.h b/drivers/video/fbdev/i810/i810_main.h
new file mode 100644
index 000000000000..a25afaa534ba
--- /dev/null
+++ b/drivers/video/fbdev/i810/i810_main.h
@@ -0,0 +1,95 @@
+/*-*- linux-c -*-
+ * linux/drivers/video/i810fb_main.h -- Intel 810 frame buffer device
+ * main header file
+ *
+ * Copyright (C) 2001 Antonino Daplas<adaplas@pol.net>
+ * All Rights Reserved
+ *
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#ifndef __I810_MAIN_H__
+#define __I810_MAIN_H__
+
+/* Video Timings */
+extern void round_off_xres (u32 *xres);
+extern void round_off_yres (u32 *xres, u32 *yres);
+extern u32 i810_get_watermark (const struct fb_var_screeninfo *var,
+ struct i810fb_par *par);
+extern void i810fb_encode_registers(const struct fb_var_screeninfo *var,
+ struct i810fb_par *par, u32 xres, u32 yres);
+extern void i810fb_fill_var_timings(struct fb_var_screeninfo *var);
+
+/* Accelerated Functions */
+extern void i810fb_fillrect (struct fb_info *p,
+ const struct fb_fillrect *rect);
+extern void i810fb_copyarea (struct fb_info *p,
+ const struct fb_copyarea *region);
+extern void i810fb_imageblit(struct fb_info *p, const struct fb_image *image);
+extern int i810fb_sync (struct fb_info *p);
+
+extern void i810fb_init_ringbuffer(struct fb_info *info);
+extern void i810fb_load_front (u32 offset, struct fb_info *info);
+
+#ifdef CONFIG_FB_I810_I2C
+/* I2C */
+extern int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
+ int conn);
+extern void i810_create_i2c_busses(struct i810fb_par *par);
+extern void i810_delete_i2c_busses(struct i810fb_par *par);
+#else
+static inline int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
+ int conn)
+{
+ return 1;
+}
+static inline void i810_create_i2c_busses(struct i810fb_par *par) { }
+static inline void i810_delete_i2c_busses(struct i810fb_par *par) { }
+#endif
+
+/* Conditionals */
+#ifdef CONFIG_X86
+static inline void flush_cache(void)
+{
+ asm volatile ("wbinvd":::"memory");
+}
+#else
+#define flush_cache() do { } while(0)
+#endif
+
+#ifdef CONFIG_MTRR
+
+#include <asm/mtrr.h>
+
+static inline void set_mtrr(struct i810fb_par *par)
+{
+ par->mtrr_reg = mtrr_add((u32) par->aperture.physical,
+ par->aperture.size, MTRR_TYPE_WRCOMB, 1);
+ if (par->mtrr_reg < 0) {
+ printk(KERN_ERR "set_mtrr: unable to set MTRR\n");
+ return;
+ }
+ par->dev_flags |= HAS_MTRR;
+}
+static inline void unset_mtrr(struct i810fb_par *par)
+{
+ if (par->dev_flags & HAS_MTRR)
+ mtrr_del(par->mtrr_reg, (u32) par->aperture.physical,
+ par->aperture.size);
+}
+#else
+#define set_mtrr(x) printk("set_mtrr: MTRR is disabled in the kernel\n")
+
+#define unset_mtrr(x) do { } while (0)
+#endif /* CONFIG_MTRR */
+
+#ifdef CONFIG_FB_I810_GTF
+#define IS_DVT (0)
+#else
+#define IS_DVT (1)
+#endif
+
+#endif /* __I810_MAIN_H__ */