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 *accel); 59 60 int (*de_wait)(void);/* see if hardware ready to work */ 61 62 int (*de_fillrect)(struct lynx_accel *accel, 63 u32 base, u32 pitch, u32 bpp, 64 u32 x, u32 y, u32 width, u32 height, 65 u32 color, u32 rop); 66 67 int (*de_copyarea)(struct lynx_accel *accel, 68 u32 s_base, u32 s_pitch, 69 u32 sx, u32 sy, 70 u32 d_base, u32 d_pitch, 71 u32 bpp, u32 dx, u32 dy, 72 u32 width, u32 height, 73 u32 rop2); 74 75 int (*de_imageblit)(struct lynx_accel *accel, const char *p_srcbuf, 76 u32 src_delta, u32 start_bit, u32 d_base, u32 d_pitch, 77 u32 byte_per_pixel, u32 dx, u32 dy, u32 width, 78 u32 height, u32 f_color, u32 b_color, u32 rop2); 79 80 }; 81 82 struct sm750_dev { 83 /* common members */ 84 u16 devid; 85 u8 revid; 86 struct pci_dev *pdev; 87 struct fb_info *fbinfo[2]; 88 struct lynx_accel accel; 89 int accel_off; 90 int fb_count; 91 int mtrr_off; 92 struct{ 93 int vram; 94 } mtrr; 95 /* all smi graphic adaptor got below attributes */ 96 unsigned long vidmem_start; 97 unsigned long vidreg_start; 98 __u32 vidmem_size; 99 __u32 vidreg_size; 100 void __iomem *pvReg; 101 unsigned char __iomem *pvMem; 102 /* locks*/ 103 spinlock_t slock; 104 105 struct init_status initParm; 106 enum sm750_pnltype pnltype; 107 enum sm750_dataflow dataflow; 108 int nocrt; 109 110 /* 111 * 0: no hardware cursor 112 * 1: primary crtc hw cursor enabled, 113 * 2: secondary crtc hw cursor enabled 114 * 3: both ctrc hw cursor enabled 115 */ 116 int hwCursor; 117 }; 118 119 struct lynx_cursor { 120 /* cursor width ,height and size */ 121 int w; 122 int h; 123 int size; 124 /* hardware limitation */ 125 int max_w; 126 int max_h; 127 /* base virtual address and offset of cursor image */ 128 char __iomem *vstart; 129 int offset; 130 /* mmio addr of hw cursor */ 131 volatile char __iomem *mmio; 132 }; 133 134 struct lynxfb_crtc { 135 unsigned char __iomem *v_cursor; /* virtual address of cursor */ 136 unsigned char __iomem *v_screen; /* virtual address of on_screen */ 137 int o_cursor; /* cursor address offset in vidmem */ 138 int o_screen; /* onscreen address offset in vidmem */ 139 int channel;/* which channel this crtc stands for*/ 140 resource_size_t vidmem_size;/* this view's video memory max size */ 141 142 /* below attributes belong to info->fix, their value depends on specific adaptor*/ 143 u16 line_pad;/* padding information:0,1,2,4,8,16,... */ 144 u16 xpanstep; 145 u16 ypanstep; 146 u16 ywrapstep; 147 148 void *priv; 149 150 /* cursor information */ 151 struct lynx_cursor cursor; 152 }; 153 154 struct lynxfb_output { 155 int dpms; 156 int paths; 157 /* 158 * which paths(s) this output stands for,for sm750: 159 * paths=1:means output for panel paths 160 * paths=2:means output for crt paths 161 * paths=3:means output for both panel and crt paths 162 */ 163 164 int *channel; 165 /* 166 * which channel these outputs linked with,for sm750: 167 * *channel=0 means primary channel 168 * *channel=1 means secondary channel 169 * output->channel ==> &crtc->channel 170 */ 171 void *priv; 172 173 int (*proc_setBLANK)(struct lynxfb_output *output, int blank); 174 }; 175 176 struct lynxfb_par { 177 /* either 0 or 1 for dual head adaptor,0 is the older one registered */ 178 int index; 179 unsigned int pseudo_palette[256]; 180 struct lynxfb_crtc crtc; 181 struct lynxfb_output output; 182 struct fb_info *info; 183 struct sm750_dev *dev; 184 }; 185 186 static inline unsigned long ps_to_hz(unsigned int psvalue) 187 { 188 unsigned long long numerator = 1000 * 1000 * 1000 * 1000ULL; 189 /* 10^12 / picosecond period gives frequency in Hz */ 190 do_div(numerator, psvalue); 191 return (unsigned long)numerator; 192 } 193 194 int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev); 195 int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev); 196 void hw_sm750_initAccel(struct sm750_dev *sm750_dev); 197 int hw_sm750_deWait(void); 198 int hw_sm750le_deWait(void); 199 200 int hw_sm750_output_setMode(struct lynxfb_output *output, 201 struct fb_var_screeninfo *var, 202 struct fb_fix_screeninfo *fix); 203 204 int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, 205 struct fb_var_screeninfo *var); 206 207 int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, 208 struct fb_var_screeninfo *var, 209 struct fb_fix_screeninfo *fix); 210 211 int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index, 212 ushort red, ushort green, ushort blue); 213 214 int hw_sm750_setBLANK(struct lynxfb_output *output, int blank); 215 int hw_sm750le_setBLANK(struct lynxfb_output *output, int blank); 216 int hw_sm750_pan_display(struct lynxfb_crtc *crtc, 217 const struct fb_var_screeninfo *var, 218 const struct fb_info *info); 219 220 #endif 221