1 #ifndef LYNXDRV_H_
2 #define LYNXDRV_H_
3
4 #define FB_ACCEL_SMI 0xab
5
6 #define MHZ(x) ((x) * 1000000)
7
8 #define DEFAULT_SM750_CHIP_CLOCK 290
9 #define DEFAULT_SM750LE_CHIP_CLOCK 333
10 #ifndef SM750LE_REVISION_ID
11 #define SM750LE_REVISION_ID ((unsigned char)0xfe)
12 #endif
13
14 enum sm750_pnltype {
15 sm750_24TFT = 0, /* 24bit tft */
16 sm750_dualTFT = 2, /* dual 18 bit tft */
17 sm750_doubleTFT = 1, /* 36 bit double pixel tft */
18 };
19
20 /* vga channel is not concerned */
21 enum sm750_dataflow {
22 sm750_simul_pri, /* primary => all head */
23 sm750_simul_sec, /* secondary => all head */
24 sm750_dual_normal, /* primary => panel head and secondary => crt */
25 sm750_dual_swap, /* primary => crt head and secondary => panel */
26 };
27
28 enum sm750_channel {
29 sm750_primary = 0,
30 /* enum value equal to the register filed data */
31 sm750_secondary = 1,
32 };
33
34 enum sm750_path {
35 sm750_panel = 1,
36 sm750_crt = 2,
37 sm750_pnc = 3, /* panel and crt */
38 };
39
40 struct init_status {
41 ushort powerMode;
42 /* below three clocks are in unit of MHZ*/
43 ushort chip_clk;
44 ushort mem_clk;
45 ushort master_clk;
46 ushort setAllEngOff;
47 ushort resetMemory;
48 };
49
50 struct lynx_accel {
51 /* base virtual address of DPR registers */
52 volatile unsigned char __iomem *dprBase;
53 /* base virtual address of de data port */
54 volatile unsigned char __iomem *dpPortBase;
55
56 /* function pointers */
57 void (*de_init)(struct lynx_accel *);
58
59 int (*de_wait)(void);/* see if hardware ready to work */
60
61 int (*de_fillrect)(struct lynx_accel *, u32, u32, u32, u32,
62 u32, u32, u32, u32, u32);
63
64 int (*de_copyarea)(struct lynx_accel *, u32, u32, u32, u32,
65 u32, u32, u32, u32,
66 u32, u32, u32, u32);
67
68 int (*de_imageblit)(struct lynx_accel *, const char *, u32, u32, u32, u32,
69 u32, u32, u32, u32,
70 u32, u32, u32, u32);
71
72 };
73
74 struct sm750_dev {
75 /* common members */
76 u16 devid;
77 u8 revid;
78 struct pci_dev *pdev;
79 struct fb_info *fbinfo[2];
80 struct lynx_accel accel;
81 int accel_off;
82 int fb_count;
83 int mtrr_off;
84 struct{
85 int vram;
86 } mtrr;
87 /* all smi graphic adaptor got below attributes */
88 unsigned long vidmem_start;
89 unsigned long vidreg_start;
90 __u32 vidmem_size;
91 __u32 vidreg_size;
92 void __iomem *pvReg;
93 unsigned char __iomem *pvMem;
94 /* locks*/
95 spinlock_t slock;
96
97 struct init_status initParm;
98 enum sm750_pnltype pnltype;
99 enum sm750_dataflow dataflow;
100 int nocrt;
101
102 /*
103 * 0: no hardware cursor
104 * 1: primary crtc hw cursor enabled,
105 * 2: secondary crtc hw cursor enabled
106 * 3: both ctrc hw cursor enabled
107 */
108 int hwCursor;
109 };
110
111 struct lynx_cursor {
112 /* cursor width ,height and size */
113 int w;
114 int h;
115 int size;
116 /* hardware limitation */
117 int maxW;
118 int maxH;
119 /* base virtual address and offset of cursor image */
120 char __iomem *vstart;
121 int offset;
122 /* mmio addr of hw cursor */
123 volatile char __iomem *mmio;
124 };
125
126 struct lynxfb_crtc {
127 unsigned char __iomem *vCursor; /* virtual address of cursor */
128 unsigned char __iomem *vScreen; /* virtual address of on_screen */
129 int oCursor; /* cursor address offset in vidmem */
130 int oScreen; /* onscreen address offset in vidmem */
131 int channel;/* which channel this crtc stands for*/
132 resource_size_t vidmem_size;/* this view's video memory max size */
133
134 /* below attributes belong to info->fix, their value depends on specific adaptor*/
135 u16 line_pad;/* padding information:0,1,2,4,8,16,... */
136 u16 xpanstep;
137 u16 ypanstep;
138 u16 ywrapstep;
139
140 void *priv;
141
142 /* cursor information */
143 struct lynx_cursor cursor;
144 };
145
146 struct lynxfb_output {
147 int dpms;
148 int paths;
149 /* which paths(s) this output stands for,for sm750:
150 * paths=1:means output for panel paths
151 * paths=2:means output for crt paths
152 * paths=3:means output for both panel and crt paths
153 */
154
155 int *channel;
156 /* which channel these outputs linked with,for sm750:
157 * *channel=0 means primary channel
158 * *channel=1 means secondary channel
159 * output->channel ==> &crtc->channel
160 */
161 void *priv;
162
163 int (*proc_setBLANK)(struct lynxfb_output*, int);
164 };
165
166 struct lynxfb_par {
167 /* either 0 or 1 for dual head adaptor,0 is the older one registered */
168 int index;
169 unsigned int pseudo_palette[256];
170 struct lynxfb_crtc crtc;
171 struct lynxfb_output output;
172 struct fb_info *info;
173 struct sm750_dev *dev;
174 };
175
ps_to_hz(unsigned int psvalue)176 static inline unsigned long ps_to_hz(unsigned int psvalue)
177 {
178 unsigned long long numerator = 1000*1000*1000*1000ULL;
179 /* 10^12 / picosecond period gives frequency in Hz */
180 do_div(numerator, psvalue);
181 return (unsigned long)numerator;
182 }
183
184 int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev);
185 int hw_sm750_inithw(struct sm750_dev*, struct pci_dev *);
186 void hw_sm750_initAccel(struct sm750_dev *);
187 int hw_sm750_deWait(void);
188 int hw_sm750le_deWait(void);
189
190 int hw_sm750_output_setMode(struct lynxfb_output*, struct fb_var_screeninfo*,
191 struct fb_fix_screeninfo*);
192 int hw_sm750_crtc_checkMode(struct lynxfb_crtc*, struct fb_var_screeninfo*);
193 int hw_sm750_crtc_setMode(struct lynxfb_crtc*, struct fb_var_screeninfo*,
194 struct fb_fix_screeninfo*);
195 int hw_sm750_setColReg(struct lynxfb_crtc*, ushort, ushort, ushort, ushort);
196 int hw_sm750_setBLANK(struct lynxfb_output*, int);
197 int hw_sm750le_setBLANK(struct lynxfb_output*, int);
198 int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
199 const struct fb_var_screeninfo *var,
200 const struct fb_info *info);
201
202 #endif
203