1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/video/riva/rivafb.h b/drivers/video/riva/rivafb.h
new file mode 100644
index 00000000..d9f107b7
--- /dev/null
+++ b/drivers/video/riva/rivafb.h
@@ -0,0 +1,77 @@
+#ifndef __RIVAFB_H
+#define __RIVAFB_H
+
+#include <linux/fb.h>
+#include <video/vga.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+
+#include "riva_hw.h"
+
+/* GGI compatibility macros */
+#define NUM_SEQ_REGS		0x05
+#define NUM_CRT_REGS		0x41
+#define NUM_GRC_REGS		0x09
+#define NUM_ATC_REGS		0x15
+
+/* I2C */
+#define DDC_SCL_READ_MASK       (1 << 2)
+#define DDC_SCL_WRITE_MASK      (1 << 5)
+#define DDC_SDA_READ_MASK       (1 << 3)
+#define DDC_SDA_WRITE_MASK      (1 << 4)
+
+/* holds the state of the VGA core and extended Riva hw state from riva_hw.c.
+ * From KGI originally. */
+struct riva_regs {
+	u8 attr[NUM_ATC_REGS];
+	u8 crtc[NUM_CRT_REGS];
+	u8 gra[NUM_GRC_REGS];
+	u8 seq[NUM_SEQ_REGS];
+	u8 misc_output;
+	RIVA_HW_STATE ext;
+};
+
+struct riva_par;
+
+struct riva_i2c_chan {
+	struct riva_par *par;
+	unsigned long   ddc_base;
+	struct i2c_adapter adapter;
+	struct i2c_algo_bit_data algo;
+};
+
+struct riva_par {
+	RIVA_HW_INST riva;	/* interface to riva_hw.c */
+	u32 pseudo_palette[16]; /* default palette */
+	u32 palette[16];        /* for Riva128 */
+	u8 __iomem *ctrl_base;	/* virtual control register base addr */
+	unsigned dclk_max;	/* max DCLK */
+
+	struct riva_regs initial_state;	/* initial startup video mode */
+	struct riva_regs current_state;
+#ifdef CONFIG_X86
+	struct vgastate state;
+#endif
+	struct mutex open_lock;
+	unsigned int ref_count;
+	unsigned char *EDID;
+	unsigned int Chipset;
+	int forceCRTC;
+	Bool SecondCRTC;
+	int FlatPanel;
+	struct pci_dev *pdev;
+	int cursor_reset;
+#ifdef CONFIG_MTRR
+	struct { int vram; int vram_valid; } mtrr;
+#endif
+	struct riva_i2c_chan chan[3];
+};
+
+void riva_common_setup(struct riva_par *);
+unsigned long riva_get_memlen(struct riva_par *);
+unsigned long riva_get_maxdclk(struct riva_par *);
+void riva_delete_i2c_busses(struct riva_par *par);
+void riva_create_i2c_busses(struct riva_par *par);
+int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid);
+
+#endif /* __RIVAFB_H */