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9#ifndef __VIA_CORE_H__
10#define __VIA_CORE_H__
11#include <linux/types.h>
12#include <linux/io.h>
13#include <linux/spinlock.h>
14#include <linux/pci.h>
15
16
17
18
19enum via_port_type {
20 VIA_PORT_NONE = 0,
21 VIA_PORT_I2C,
22 VIA_PORT_GPIO,
23};
24
25enum via_port_mode {
26 VIA_MODE_OFF = 0,
27 VIA_MODE_I2C,
28 VIA_MODE_GPIO,
29};
30
31enum viafb_i2c_adap {
32 VIA_PORT_26 = 0,
33 VIA_PORT_31,
34 VIA_PORT_25,
35 VIA_PORT_2C,
36 VIA_PORT_3D,
37};
38#define VIAFB_NUM_PORTS 5
39
40struct via_port_cfg {
41 enum via_port_type type;
42 enum via_port_mode mode;
43 u16 io_port;
44 u8 ioport_index;
45};
46
47
48
49
50#ifdef CONFIG_PM
51struct viafb_pm_hooks {
52 struct list_head list;
53 int (*suspend)(void *private);
54 int (*resume)(void *private);
55 void *private;
56};
57
58void viafb_pm_register(struct viafb_pm_hooks *hooks);
59void viafb_pm_unregister(struct viafb_pm_hooks *hooks);
60#endif
61
62
63
64
65
66struct viafb_dev {
67 struct pci_dev *pdev;
68 int chip_type;
69 struct via_port_cfg *port_cfg;
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73
74 spinlock_t reg_lock;
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80
81 unsigned long fbmem_start;
82 long fbmem_len;
83 void __iomem *fbmem;
84#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
85 long camera_fbmem_offset;
86 long camera_fbmem_size;
87#endif
88
89
90
91 unsigned long engine_start;
92 unsigned long engine_len;
93 void __iomem *engine_mmio;
94
95};
96
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98
99
100
101void viafb_irq_enable(u32 mask);
102void viafb_irq_disable(u32 mask);
103
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105
106
107#define VDE_INTERRUPT 0x200
108#define VDE_I_DVISENSE 0x00000001
109#define VDE_I_VBLANK 0x00000002
110#define VDE_I_MCCFI 0x00000004
111#define VDE_I_VSYNC 0x00000008
112#define VDE_I_DMA0DDONE 0x00000010
113#define VDE_I_DMA0TDONE 0x00000020
114#define VDE_I_DMA1DDONE 0x00000040
115#define VDE_I_DMA1TDONE 0x00000080
116#define VDE_I_C1AV 0x00000100
117#define VDE_I_HQV0 0x00000200
118#define VDE_I_HQV1 0x00000400
119#define VDE_I_HQV1EN 0x00000800
120#define VDE_I_C0AV 0x00001000
121#define VDE_I_C0VBI 0x00002000
122#define VDE_I_C1VBI 0x00004000
123#define VDE_I_VSYNC2 0x00008000
124#define VDE_I_DVISNSEN 0x00010000
125#define VDE_I_VSYNC2EN 0x00020000
126#define VDE_I_MCCFIEN 0x00040000
127#define VDE_I_VSYNCEN 0x00080000
128#define VDE_I_DMA0DDEN 0x00100000
129#define VDE_I_DMA0TDEN 0x00200000
130#define VDE_I_DMA1DDEN 0x00400000
131#define VDE_I_DMA1TDEN 0x00800000
132#define VDE_I_C1AVEN 0x01000000
133#define VDE_I_HQV0EN 0x02000000
134#define VDE_I_C1VBIEN 0x04000000
135#define VDE_I_LVDSSI 0x08000000
136#define VDE_I_C0AVEN 0x10000000
137#define VDE_I_C0VBIEN 0x20000000
138#define VDE_I_LVDSSIEN 0x40000000
139#define VDE_I_ENABLE 0x80000000
140
141#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
142
143
144
145int viafb_request_dma(void);
146void viafb_release_dma(void);
147
148int viafb_dma_copy_out_sg(unsigned int offset, struct scatterlist *sg, int nsg);
149
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152
153#define VDMA_MR0 0xe00
154#define VDMA_MR_CHAIN 0x01
155#define VDMA_MR_TDIE 0x02
156#define VDMA_CSR0 0xe04
157#define VDMA_C_ENABLE 0x01
158#define VDMA_C_START 0x02
159#define VDMA_C_ABORT 0x04
160#define VDMA_C_DONE 0x08
161#define VDMA_MARL0 0xe20
162#define VDMA_MARH0 0xe24
163#define VDMA_DAR0 0xe28
164#define VDMA_DQWCR0 0xe2c
165#define VDMA_TMR0 0xe30
166#define VDMA_DPRL0 0xe34
167#define VDMA_DPR_IN 0x08
168#define VDMA_DPRH0 0xe38
169#define VDMA_PMR0 (0xe00 + 0x134)
170
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173
174#define VGA_WIDTH 640
175#define VGA_HEIGHT 480
176#endif
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183
184#define VIAStatus 0x3DA
185#define VIACR 0x3D4
186#define VIASR 0x3C4
187#define VIAGR 0x3CE
188#define VIAAR 0x3C0
189
190static inline u8 via_read_reg(u16 port, u8 index)
191{
192 outb(index, port);
193 return inb(port + 1);
194}
195
196static inline void via_write_reg(u16 port, u8 index, u8 data)
197{
198 outb(index, port);
199 outb(data, port + 1);
200}
201
202static inline void via_write_reg_mask(u16 port, u8 index, u8 data, u8 mask)
203{
204 u8 old;
205
206 outb(index, port);
207 old = inb(port + 1);
208 outb((data & mask) | (old & ~mask), port + 1);
209}
210
211#define VIA_MISC_REG_READ 0x03CC
212#define VIA_MISC_REG_WRITE 0x03C2
213
214static inline void via_write_misc_reg_mask(u8 data, u8 mask)
215{
216 u8 old = inb(VIA_MISC_REG_READ);
217 outb((data & mask) | (old & ~mask), VIA_MISC_REG_WRITE);
218}
219
220
221#endif
222