[PATCH] i810fb: Add i2c/DDC support
Add ddc/i2c support for i810fb. This will allow the driver to get display
information, especially for monitors with fickle timings. The i2c support
depends on CONFIG_FB_I810_GTF.
Changed __init* to __devinit*
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Alexander Nyberg <alexn@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/i810/i810.h b/drivers/video/i810/i810.h
index f59af333..d48949c 100644
--- a/drivers/video/i810/i810.h
+++ b/drivers/video/i810/i810.h
@@ -16,6 +16,9 @@
#include <linux/list.h>
#include <linux/agp_backend.h>
#include <linux/fb.h>
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
+#include <linux/i2c-algo-bit.h>
#include <video/vga.h>
/* Fence */
@@ -240,6 +243,14 @@
u8 cr39, cr41, cr70, sr01, msr;
};
+struct i810fb_par;
+
+struct i810fb_i2c_chan {
+ struct i810fb_par *par;
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data algo;
+};
+
struct i810fb_par {
struct mode_registers regs;
struct state_registers hw_state;
@@ -251,10 +262,12 @@
struct heap_data iring;
struct heap_data cursor_heap;
struct vgastate state;
+ struct i810fb_i2c_chan chan[2];
atomic_t use_count;
u32 pseudo_palette[17];
unsigned long mmio_start_phys;
u8 __iomem *mmio_start_virtual;
+ u8 *edid;
u32 pitch;
u32 pixconf;
u32 watermark;