xref: /openbmc/linux/drivers/video/fbdev/via/viafbdev.h (revision f3539c12)
1 /*
2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4 
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public
7  * License as published by the Free Software Foundation;
8  * either version 2, or (at your option) any later version.
9 
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
13  * A PARTICULAR PURPOSE.See the GNU General Public License
14  * for more details.
15 
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc.,
19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21 
22 #ifndef __VIAFBDEV_H__
23 #define __VIAFBDEV_H__
24 
25 #include <linux/proc_fs.h>
26 #include <linux/fb.h>
27 #include <linux/spinlock.h>
28 
29 #include "via_aux.h"
30 #include "ioctl.h"
31 #include "share.h"
32 #include "chip.h"
33 #include "hw.h"
34 
35 #define VERSION_MAJOR       2
36 #define VERSION_KERNEL      6	/* For kernel 2.6 */
37 
38 #define VERSION_OS          0	/* 0: for 32 bits OS, 1: for 64 bits OS */
39 #define VERSION_MINOR       4
40 
41 #define VIAFB_NUM_I2C		5
42 
43 struct viafb_shared {
44 	u32 iga1_devices;
45 	u32 iga2_devices;
46 
47 	struct proc_dir_entry *proc_entry;	/*viafb proc entry */
48 	struct proc_dir_entry *iga1_proc_entry;
49 	struct proc_dir_entry *iga2_proc_entry;
50 	struct viafb_dev *vdev;			/* Global dev info */
51 
52 	/* I2C busses that may have auxiliary devices */
53 	struct via_aux_bus *i2c_26;
54 	struct via_aux_bus *i2c_31;
55 	struct via_aux_bus *i2c_2C;
56 
57 	/* All the information will be needed to set engine */
58 	struct tmds_setting_information tmds_setting_info;
59 	struct lvds_setting_information lvds_setting_info;
60 	struct lvds_setting_information lvds_setting_info2;
61 	struct chip_information chip_info;
62 
63 	/* hardware acceleration stuff */
64 	u32 cursor_vram_addr;
65 	u32 vq_vram_addr;	/* virtual queue address in video ram */
66 	int (*hw_bitblt)(void __iomem *engine, u8 op, u32 width, u32 height,
67 		u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y,
68 		u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y,
69 		u32 fg_color, u32 bg_color, u8 fill_rop);
70 };
71 
72 struct viafb_par {
73 	u8 depth;
74 	u32 vram_addr;
75 
76 	unsigned int fbmem;	/*framebuffer physical memory address */
77 	unsigned int memsize;	/*size of fbmem */
78 	u32 fbmem_free;		/* Free FB memory */
79 	u32 fbmem_used;		/* Use FB memory size */
80 	u32 iga_path;
81 
82 	struct viafb_shared *shared;
83 
84 	/* All the information will be needed to set engine */
85 	/* depreciated, use the ones in shared directly */
86 	struct tmds_setting_information *tmds_setting_info;
87 	struct lvds_setting_information *lvds_setting_info;
88 	struct lvds_setting_information *lvds_setting_info2;
89 	struct chip_information *chip_info;
90 };
91 
92 extern int viafb_SAMM_ON;
93 extern int viafb_dual_fb;
94 extern int viafb_LCD2_ON;
95 extern int viafb_LCD_ON;
96 extern int viafb_DVI_ON;
97 extern int viafb_hotplug;
98 
99 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
100 	*plvds_setting_info, struct lvds_chip_information
101 	*plvds_chip_info, u8 index);
102 void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
103 			      *plvds_setting_info, struct lvds_chip_information
104 			      *plvds_chip_info, struct IODATA io_data);
105 int via_fb_pci_probe(struct viafb_dev *vdev);
106 void via_fb_pci_remove(struct pci_dev *pdev);
107 /* Temporary */
108 int viafb_init(void);
109 void viafb_exit(void);
110 #endif /* __VIAFBDEV_H__ */
111