1 /* SPDX-License-Identifier: GPL-2.0 */
5 #define FB_ACCEL_SMI 0xab
7 #define MHZ(x) ((x) * 1000000)
9 #define DEFAULT_SM750_CHIP_CLOCK 290
10 #define DEFAULT_SM750LE_CHIP_CLOCK 333
11 #ifndef SM750LE_REVISION_ID
12 #define SM750LE_REVISION_ID ((unsigned char)0xfe)
16 sm750_24TFT = 0, /* 24bit tft */
17 sm750_dualTFT = 2, /* dual 18 bit tft */
18 sm750_doubleTFT = 1, /* 36 bit double pixel tft */
21 /* vga channel is not concerned */
23 sm750_simul_pri, /* primary => all head */
24 sm750_simul_sec, /* secondary => all head */
25 sm750_dual_normal, /* primary => panel head and secondary => crt */
26 sm750_dual_swap, /* primary => crt head and secondary => panel */
31 /* enum value equal to the register filed data */
38 sm750_pnc = 3, /* panel and crt */
43 /* below three clocks are in unit of MHZ*/
52 /* base virtual address of DPR registers */
53 volatile unsigned char __iomem *dprBase;
54 /* base virtual address of de data port */
55 volatile unsigned char __iomem *dpPortBase;
57 /* function pointers */
58 void (*de_init)(struct lynx_accel *);
60 int (*de_wait)(void);/* see if hardware ready to work */
62 int (*de_fillrect)(struct lynx_accel *,
64 u32, u32, u32, u32, u32);
66 int (*de_copyarea)(struct lynx_accel *,
71 int (*de_imageblit)(struct lynx_accel *, const char *,
83 struct fb_info *fbinfo[2];
84 struct lynx_accel accel;
91 /* all smi graphic adaptor got below attributes */
92 unsigned long vidmem_start;
93 unsigned long vidreg_start;
97 unsigned char __iomem *pvMem;
101 struct init_status initParm;
102 enum sm750_pnltype pnltype;
103 enum sm750_dataflow dataflow;
107 * 0: no hardware cursor
108 * 1: primary crtc hw cursor enabled,
109 * 2: secondary crtc hw cursor enabled
110 * 3: both ctrc hw cursor enabled
116 /* cursor width ,height and size */
120 /* hardware limitation */
123 /* base virtual address and offset of cursor image */
124 char __iomem *vstart;
126 /* mmio addr of hw cursor */
127 volatile char __iomem *mmio;
131 unsigned char __iomem *vCursor; /* virtual address of cursor */
132 unsigned char __iomem *vScreen; /* virtual address of on_screen */
133 int oCursor; /* cursor address offset in vidmem */
134 int oScreen; /* onscreen address offset in vidmem */
135 int channel;/* which channel this crtc stands for*/
136 resource_size_t vidmem_size;/* this view's video memory max size */
138 /* below attributes belong to info->fix, their value depends on specific adaptor*/
139 u16 line_pad;/* padding information:0,1,2,4,8,16,... */
146 /* cursor information */
147 struct lynx_cursor cursor;
150 struct lynxfb_output {
154 * which paths(s) this output stands for,for sm750:
155 * paths=1:means output for panel paths
156 * paths=2:means output for crt paths
157 * paths=3:means output for both panel and crt paths
162 * which channel these outputs linked with,for sm750:
163 * *channel=0 means primary channel
164 * *channel=1 means secondary channel
165 * output->channel ==> &crtc->channel
169 int (*proc_setBLANK)(struct lynxfb_output *output, int blank);
173 /* either 0 or 1 for dual head adaptor,0 is the older one registered */
175 unsigned int pseudo_palette[256];
176 struct lynxfb_crtc crtc;
177 struct lynxfb_output output;
178 struct fb_info *info;
179 struct sm750_dev *dev;
182 static inline unsigned long ps_to_hz(unsigned int psvalue)
184 unsigned long long numerator = 1000 * 1000 * 1000 * 1000ULL;
185 /* 10^12 / picosecond period gives frequency in Hz */
186 do_div(numerator, psvalue);
187 return (unsigned long)numerator;
190 int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev);
191 int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev);
192 void hw_sm750_initAccel(struct sm750_dev *sm750_dev);
193 int hw_sm750_deWait(void);
194 int hw_sm750le_deWait(void);
196 int hw_sm750_output_setMode(struct lynxfb_output *output,
197 struct fb_var_screeninfo *var,
198 struct fb_fix_screeninfo *fix);
200 int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc,
201 struct fb_var_screeninfo *var);
203 int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
204 struct fb_var_screeninfo *var,
205 struct fb_fix_screeninfo *fix);
207 int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index,
208 ushort red, ushort green, ushort blue);
210 int hw_sm750_setBLANK(struct lynxfb_output *output, int blank);
211 int hw_sm750le_setBLANK(struct lynxfb_output *output, int blank);
212 int hw_sm750_pan_display(struct lynxfb_crtc *crtc,
213 const struct fb_var_screeninfo *var,
214 const struct fb_info *info);