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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __RIVAFB_H3#define __RIVAFB_H4 5#include <linux/fb.h>6#include <video/vga.h>7#include <linux/i2c.h>8#include <linux/i2c-algo-bit.h>9 10#include "riva_hw.h"11 12/* GGI compatibility macros */13#define NUM_SEQ_REGS		0x0514#define NUM_CRT_REGS		0x4115#define NUM_GRC_REGS		0x0916#define NUM_ATC_REGS		0x1517 18/* I2C */19#define DDC_SCL_READ_MASK       (1 << 2)20#define DDC_SCL_WRITE_MASK      (1 << 5)21#define DDC_SDA_READ_MASK       (1 << 3)22#define DDC_SDA_WRITE_MASK      (1 << 4)23 24/* holds the state of the VGA core and extended Riva hw state from riva_hw.c.25 * From KGI originally. */26struct riva_regs {27	u8 attr[NUM_ATC_REGS];28	u8 crtc[NUM_CRT_REGS];29	u8 gra[NUM_GRC_REGS];30	u8 seq[NUM_SEQ_REGS];31	u8 misc_output;32	RIVA_HW_STATE ext;33};34 35struct riva_par;36 37struct riva_i2c_chan {38	struct riva_par *par;39	unsigned long   ddc_base;40	struct i2c_adapter adapter;41	struct i2c_algo_bit_data algo;42};43 44struct riva_par {45	RIVA_HW_INST riva;	/* interface to riva_hw.c */46	u32 pseudo_palette[16]; /* default palette */47	u32 palette[16];        /* for Riva128 */48	u8 __iomem *ctrl_base;	/* virtual control register base addr */49	unsigned dclk_max;	/* max DCLK */50 51	struct riva_regs initial_state;	/* initial startup video mode */52	struct riva_regs current_state;53#ifdef CONFIG_X8654	struct vgastate state;55#endif56	struct mutex open_lock;57	unsigned int ref_count;58	unsigned char *EDID;59	unsigned int Chipset;60	int forceCRTC;61	Bool SecondCRTC;62	int FlatPanel;63	struct pci_dev *pdev;64	int cursor_reset;65	int wc_cookie;66	struct riva_i2c_chan chan[3];67};68 69void riva_common_setup(struct riva_par *);70unsigned long riva_get_memlen(struct riva_par *);71unsigned long riva_get_maxdclk(struct riva_par *);72void riva_delete_i2c_busses(struct riva_par *par);73void riva_create_i2c_busses(struct riva_par *par);74int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid);75 76#endif /* __RIVAFB_H */77