diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750.h')
| -rw-r--r-- | drivers/staging/sm750fb/sm750.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h new file mode 100644 index 000000000..aff69661c --- /dev/null +++ b/drivers/staging/sm750fb/sm750.h @@ -0,0 +1,220 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LYNXDRV_H_ +#define LYNXDRV_H_ + +#define FB_ACCEL_SMI 0xab + +#define MHZ(x) ((x) * 1000000) + +#define DEFAULT_SM750_CHIP_CLOCK 290 +#define DEFAULT_SM750LE_CHIP_CLOCK 333 +#ifndef SM750LE_REVISION_ID +#define SM750LE_REVISION_ID ((unsigned char)0xfe) +#endif + +enum sm750_pnltype { + sm750_24TFT = 0, /* 24bit tft */ + sm750_dualTFT = 2, /* dual 18 bit tft */ + sm750_doubleTFT = 1, /* 36 bit double pixel tft */ +}; + +/* vga channel is not concerned */ +enum sm750_dataflow { + sm750_simul_pri, /* primary => all head */ + sm750_simul_sec, /* secondary => all head */ + sm750_dual_normal, /* primary => panel head and secondary => crt */ + sm750_dual_swap, /* primary => crt head and secondary => panel */ +}; + +enum sm750_channel { + sm750_primary = 0, + /* enum value equal to the register filed data */ + sm750_secondary = 1, +}; + +enum sm750_path { + sm750_panel = 1, + sm750_crt = 2, + sm750_pnc = 3, /* panel and crt */ +}; + +struct init_status { + ushort powerMode; + /* below three clocks are in unit of MHZ*/ + ushort chip_clk; + ushort mem_clk; + ushort master_clk; + ushort setAllEngOff; + ushort resetMemory; +}; + +struct lynx_accel { + /* base virtual address of DPR registers */ + volatile unsigned char __iomem *dprBase; + /* base virtual address of de data port */ + volatile unsigned char __iomem *dpPortBase; + + /* function pointers */ + void (*de_init)(struct lynx_accel *accel); + + int (*de_wait)(void);/* see if hardware ready to work */ + + int (*de_fillrect)(struct lynx_accel *accel, + u32 base, u32 pitch, u32 bpp, + u32 x, u32 y, u32 width, u32 height, + u32 color, u32 rop); + + int (*de_copyarea)(struct lynx_accel *accel, + u32 s_base, u32 s_pitch, + u32 sx, u32 sy, + u32 d_base, u32 d_pitch, + u32 bpp, u32 dx, u32 dy, + u32 width, u32 height, + u32 rop2); + + int (*de_imageblit)(struct lynx_accel *accel, const char *p_srcbuf, + u32 src_delta, u32 start_bit, u32 d_base, u32 d_pitch, + u32 byte_per_pixel, u32 dx, u32 dy, u32 width, + u32 height, u32 f_color, u32 b_color, u32 rop2); + +}; + +struct sm750_dev { + /* common members */ + u16 devid; + u8 revid; + struct pci_dev *pdev; + struct fb_info *fbinfo[2]; + struct lynx_accel accel; + int accel_off; + int fb_count; + int mtrr_off; + struct{ + int vram; + } mtrr; + /* all smi graphic adaptor got below attributes */ + unsigned long vidmem_start; + unsigned long vidreg_start; + __u32 vidmem_size; + __u32 vidreg_size; + void __iomem *pvReg; + unsigned char __iomem *pvMem; + /* locks*/ + spinlock_t slock; + + struct init_status initParm; + enum sm750_pnltype pnltype; + enum sm750_dataflow dataflow; + int nocrt; + + /* + * 0: no hardware cursor + * 1: primary crtc hw cursor enabled, + * 2: secondary crtc hw cursor enabled + * 3: both ctrc hw cursor enabled + */ + int hwCursor; +}; + +struct lynx_cursor { + /* cursor width ,height and size */ + int w; + int h; + int size; + /* hardware limitation */ + int max_w; + int max_h; + /* base virtual address and offset of cursor image */ + char __iomem *vstart; + int offset; + /* mmio addr of hw cursor */ + volatile char __iomem *mmio; +}; + +struct lynxfb_crtc { + unsigned char __iomem *v_cursor; /* virtual address of cursor */ + unsigned char __iomem *v_screen; /* virtual address of on_screen */ + int o_cursor; /* cursor address offset in vidmem */ + int o_screen; /* onscreen address offset in vidmem */ + int channel;/* which channel this crtc stands for*/ + resource_size_t vidmem_size;/* this view's video memory max size */ + + /* below attributes belong to info->fix, their value depends on specific adaptor*/ + u16 line_pad;/* padding information:0,1,2,4,8,16,... */ + u16 xpanstep; + u16 ypanstep; + u16 ywrapstep; + + void *priv; + + /* cursor information */ + struct lynx_cursor cursor; +}; + +struct lynxfb_output { + int dpms; + int paths; + /* + * which paths(s) this output stands for,for sm750: + * paths=1:means output for panel paths + * paths=2:means output for crt paths + * paths=3:means output for both panel and crt paths + */ + + int *channel; + /* + * which channel these outputs linked with,for sm750: + * *channel=0 means primary channel + * *channel=1 means secondary channel + * output->channel ==> &crtc->channel + */ + void *priv; + + int (*proc_setBLANK)(struct lynxfb_output *output, int blank); +}; + +struct lynxfb_par { + /* either 0 or 1 for dual head adaptor,0 is the older one registered */ + int index; + unsigned int pseudo_palette[256]; + struct lynxfb_crtc crtc; + struct lynxfb_output output; + struct fb_info *info; + struct sm750_dev *dev; +}; + +static inline unsigned long ps_to_hz(unsigned int psvalue) +{ + unsigned long long numerator = 1000 * 1000 * 1000 * 1000ULL; + /* 10^12 / picosecond period gives frequency in Hz */ + do_div(numerator, psvalue); + return (unsigned long)numerator; +} + +int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev); +int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev); +void hw_sm750_initAccel(struct sm750_dev *sm750_dev); +int hw_sm750_deWait(void); +int hw_sm750le_deWait(void); + +int hw_sm750_output_setMode(struct lynxfb_output *output, + struct fb_var_screeninfo *var, + struct fb_fix_screeninfo *fix); + +int hw_sm750_crtc_checkMode(struct lynxfb_crtc *crtc, + struct fb_var_screeninfo *var); + +int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc, + struct fb_var_screeninfo *var, + struct fb_fix_screeninfo *fix); + +int hw_sm750_setColReg(struct lynxfb_crtc *crtc, ushort index, + ushort red, ushort green, ushort blue); + +int hw_sm750_setBLANK(struct lynxfb_output *output, int blank); +int hw_sm750le_setBLANK(struct lynxfb_output *output, int blank); +int hw_sm750_pan_display(struct lynxfb_crtc *crtc, + const struct fb_var_screeninfo *var, + const struct fb_info *info); + +#endif |