LXR linux/drivers/staging/sm750fb/sm750.h

   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
  14enum 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  */
  21enum 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
  28enum sm750_channel {
  29        sm750_primary = 0,
  30        /* enum value equal to the register filed data */
  31        sm750_secondary = 1,
  32};
  33
  34enum sm750_path {
  35        sm750_panel = 1,
  36        sm750_crt = 2,
  37        sm750_pnc = 3,  /* panel and crt */
  38};
  39
  40struct 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
  50struct 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
  74struct 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
 111struct 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
 126struct 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
 146struct 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
 166struct 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
 176static 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
 184int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev);
 185int hw_sm750_inithw(struct sm750_dev*, struct pci_dev *);
 186void hw_sm750_initAccel(struct sm750_dev *);
 187int hw_sm750_deWait(void);
 188int hw_sm750le_deWait(void);
 189
 190int hw_sm750_output_setMode(struct lynxfb_output*, struct fb_var_screeninfo*,
 191                            struct fb_fix_screeninfo*);
 192int hw_sm750_crtc_checkMode(struct lynxfb_crtc*, struct fb_var_screeninfo*);
 193int hw_sm750_crtc_setMode(struct lynxfb_crtc*, struct fb_var_screeninfo*,
 194                          struct fb_fix_screeninfo*);
 195int hw_sm750_setColReg(struct lynxfb_crtc*, ushort, ushort, ushort, ushort);
 196int hw_sm750_setBLANK(struct lynxfb_output*, int);
 197int hw_sm750le_setBLANK(struct lynxfb_output*, int);
 198int 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