xref: /openbmc/linux/drivers/video/fbdev/via/viafbdev.h (revision 64b70da0)
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