xref: /openbmc/linux/drivers/video/fbdev/via/viafbdev.h (revision 58e16d792a6a8c6b750f637a4649967fcac853dc)
1  /* SPDX-License-Identifier: GPL-2.0-or-later */
2  /*
3   * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
4   * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5  
6   */
7  
8  #ifndef __VIAFBDEV_H__
9  #define __VIAFBDEV_H__
10  
11  #include <linux/proc_fs.h>
12  #include <linux/fb.h>
13  #include <linux/spinlock.h>
14  
15  #include "via_aux.h"
16  #include "ioctl.h"
17  #include "share.h"
18  #include "chip.h"
19  #include "hw.h"
20  
21  #define VERSION_MAJOR       2
22  #define VERSION_KERNEL      6	/* For kernel 2.6 */
23  
24  #define VERSION_OS          0	/* 0: for 32 bits OS, 1: for 64 bits OS */
25  #define VERSION_MINOR       4
26  
27  #define VIAFB_NUM_I2C		5
28  
29  struct viafb_shared {
30  	u32 iga1_devices;
31  	u32 iga2_devices;
32  
33  	struct proc_dir_entry *proc_entry;	/*viafb proc entry */
34  	struct proc_dir_entry *iga1_proc_entry;
35  	struct proc_dir_entry *iga2_proc_entry;
36  	struct viafb_dev *vdev;			/* Global dev info */
37  
38  	/* I2C busses that may have auxiliary devices */
39  	struct via_aux_bus *i2c_26;
40  	struct via_aux_bus *i2c_31;
41  	struct via_aux_bus *i2c_2C;
42  
43  	/* All the information will be needed to set engine */
44  	struct tmds_setting_information tmds_setting_info;
45  	struct lvds_setting_information lvds_setting_info;
46  	struct lvds_setting_information lvds_setting_info2;
47  	struct chip_information chip_info;
48  
49  	/* hardware acceleration stuff */
50  	u32 cursor_vram_addr;
51  	u32 vq_vram_addr;	/* virtual queue address in video ram */
52  	int (*hw_bitblt)(void __iomem *engine, u8 op, u32 width, u32 height,
53  		u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y,
54  		u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y,
55  		u32 fg_color, u32 bg_color, u8 fill_rop);
56  };
57  
58  struct viafb_par {
59  	u8 depth;
60  	u32 vram_addr;
61  
62  	unsigned int fbmem;	/*framebuffer physical memory address */
63  	unsigned int memsize;	/*size of fbmem */
64  	u32 fbmem_free;		/* Free FB memory */
65  	u32 fbmem_used;		/* Use FB memory size */
66  	u32 iga_path;
67  
68  	struct viafb_shared *shared;
69  
70  	/* All the information will be needed to set engine */
71  	/* depreciated, use the ones in shared directly */
72  	struct tmds_setting_information *tmds_setting_info;
73  	struct lvds_setting_information *lvds_setting_info;
74  	struct lvds_setting_information *lvds_setting_info2;
75  	struct chip_information *chip_info;
76  };
77  
78  extern int viafb_SAMM_ON;
79  extern int viafb_dual_fb;
80  extern int viafb_LCD2_ON;
81  extern int viafb_LCD_ON;
82  extern int viafb_DVI_ON;
83  extern int viafb_hotplug;
84  
85  u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
86  	*plvds_setting_info, struct lvds_chip_information
87  	*plvds_chip_info, u8 index);
88  void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
89  			      *plvds_setting_info, struct lvds_chip_information
90  			      *plvds_chip_info, struct IODATA io_data);
91  int via_fb_pci_probe(struct viafb_dev *vdev);
92  void via_fb_pci_remove(struct pci_dev *pdev);
93  /* Temporary */
94  int viafb_init(void);
95  void viafb_exit(void);
96  #endif /* __VIAFBDEV_H__ */
97