1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef LYNXDRV_H_ 3 #define LYNXDRV_H_ 4 5 #define FB_ACCEL_SMI 0xab 6 7 #define MHZ(x) ((x) * 1000000) 8 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) 13 #endif 14 15 enum sm750_pnltype { 16 sm750_24TFT = 0, /* 24bit tft */ 17 sm750_dualTFT = 2, /* dual 18 bit tft */ 18 sm750_doubleTFT = 1, /* 36 bit double pixel tft */ 19 }; 20 21 /* vga channel is not concerned */ 22 enum sm750_dataflow { 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 */ 27 }; 28 29 enum sm750_channel { 30 sm750_primary = 0, 31 /* enum value equal to the register filed data */ 32 sm750_secondary = 1, 33 }; 34 35 enum sm750_path { 36 sm750_panel = 1, 37 sm750_crt = 2, 38 sm750_pnc = 3, /* panel and crt */ 39 }; 40 41 struct init_status { 42 ushort powerMode; 43 /* below three clocks are in unit of MHZ*/ 44 ushort chip_clk; 45 ushort mem_clk; 46 ushort master_clk; 47 ushort setAllEngOff; 48 ushort resetMemory; 49 }; 50 51 struct lynx_accel { 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; 56 57 /* function pointers */ 58 void (*de_init)(struct lynx_accel *); 59 60 int (*de_wait)(void);/* see if hardware ready to work */ 61 62 int (*de_fillrect)(struct lynx_accel *, u32, u32, u32, u32, 63 u32, u32, u32, u32, u32); 64 65 int (*de_copyarea)(struct lynx_accel *, u32, u32, u32, u32, 66 u32, u32, u32, u32, 67 u32, u32, u32, u32); 68 69 int (*de_imageblit)(struct lynx_accel *, const char *, u32, u32, u32, u32, 70 u32, u32, u32, u32, 71 u32, u32, u32, u32); 72 73 }; 74 75 struct sm750_dev { 76 /* common members */ 77 u16 devid; 78 u8 revid; 79 struct pci_dev *pdev; 80 struct fb_info *fbinfo[2]; 81 struct lynx_accel accel; 82 int accel_off; 83 int fb_count; 84 int mtrr_off; 85 struct{ 86 int vram; 87 } mtrr; 88 /* all smi graphic adaptor got below attributes */ 89 unsigned long vidmem_start; 90 unsigned long vidreg_start; 91 __u32 vidmem_size; 92 __u32 vidreg_size; 93 void __iomem *pvReg; 94 unsigned char __iomem *pvMem; 95 /* locks*/ 96 spinlock_t slock; 97 98 struct init_status initParm; 99 enum sm750_pnltype pnltype; 100 enum sm750_dataflow dataflow; 101 int nocrt; 102 103 /* 104 * 0: no hardware cursor 105 * 1: primary crtc hw cursor enabled, 106 * 2: secondary crtc hw cursor enabled 107 * 3: both ctrc hw cursor enabled 108 */ 109 int hwCursor; 110 }; 111 112 struct lynx_cursor { 113 /* cursor width ,height and size */ 114 int w; 115 int h; 116 int size; 117 /* hardware limitation */ 118 int maxW; 119 int maxH; 120 /* base virtual address and offset of cursor image */ 121 char __iomem *vstart; 122 int offset; 123 /* mmio addr of hw cursor */ 124 volatile char __iomem *mmio; 125 }; 126 127 struct lynxfb_crtc { 128 unsigned char __iomem *vCursor; /* virtual address of cursor */ 129 unsigned char __iomem *vScreen; /* virtual address of on_screen */ 130 int oCursor; /* cursor address offset in vidmem */ 131 int oScreen; /* onscreen address offset in vidmem */ 132 int channel;/* which channel this crtc stands for*/ 133 resource_size_t vidmem_size;/* this view's video memory max size */ 134 135 /* below attributes belong to info->fix, their value depends on specific adaptor*/ 136 u16 line_pad;/* padding information:0,1,2,4,8,16,... */ 137 u16 xpanstep; 138 u16 ypanstep; 139 u16 ywrapstep; 140 141 void *priv; 142 143 /* cursor information */ 144 struct lynx_cursor cursor; 145 }; 146 147 struct lynxfb_output { 148 int dpms; 149 int paths; 150 /* 151 * which paths(s) this output stands for,for sm750: 152 * paths=1:means output for panel paths 153 * paths=2:means output for crt paths 154 * paths=3:means output for both panel and crt paths 155 */ 156 157 int *channel; 158 /* 159 * which channel these outputs linked with,for sm750: 160 * *channel=0 means primary channel 161 * *channel=1 means secondary channel 162 * output->channel ==> &crtc->channel 163 */ 164 void *priv; 165 166 int (*proc_setBLANK)(struct lynxfb_output*, int); 167 }; 168 169 struct lynxfb_par { 170 /* either 0 or 1 for dual head adaptor,0 is the older one registered */ 171 int index; 172 unsigned int pseudo_palette[256]; 173 struct lynxfb_crtc crtc; 174 struct lynxfb_output output; 175 struct fb_info *info; 176 struct sm750_dev *dev; 177 }; 178 179 static inline unsigned long ps_to_hz(unsigned int psvalue) 180 { 181 unsigned long long numerator = 1000 * 1000 * 1000 * 1000ULL; 182 /* 10^12 / picosecond period gives frequency in Hz */ 183 do_div(numerator, psvalue); 184 return (unsigned long)numerator; 185 } 186 187 int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev); 188 int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev); 189 void hw_sm750_initAccel(struct sm750_dev *sm750_dev); 190 int hw_sm750_deWait(void); 191 int hw_sm750le_deWait(void); 192 193 int hw_sm750_output_setMode(struct lynxfb_output *output, 194 struct fb_var_screeninfo *var, 195 struct fb_fix_screeninfo *fix); 196 197 int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, 198 struct fb_var_screeninfo *var); 199 200 int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, 201 struct fb_var_screeninfo *var, 202 struct fb_fix_screeninfo *fix); 203 204 int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index, 205 ushort red, ushort green, ushort blue); 206 207 int hw_sm750_setBLANK(struct lynxfb_output *output, int blank); 208 int hw_sm750le_setBLANK(struct lynxfb_output *output, int blank); 209 int hw_sm750_pan_display(struct lynxfb_crtc *crtc, 210 const struct fb_var_screeninfo *var, 211 const struct fb_info *info); 212 213 #endif 214