p9100.h
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上传日期:2013-02-24
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文件大小:3k
- /*
- * Register information for the Weitek P9100 as found
- * on the Tadpole Sparcbook 3 laptops.
- *
- * From the technical specification document provided by Tadpole.
- *
- * Derrick J Brashear (shadow@dementia.org)
- */
- #ifndef _P9100_H_
- #define _P9100_H_
- /* P9100 control registers */
- #define P9100_SYSCTL_OFF 0x0UL
- #define P9100_VIDEOCTL_OFF 0x100UL
- #define P9100_VRAMCTL_OFF 0x180UL
- #define P9100_RAMDAC_OFF 0x200UL
- #define P9100_VIDEOCOPROC_OFF 0x400UL
- /* P9100 command registers */
- #define P9100_CMD_OFF 0x0UL
- /* P9100 framebuffer memory */
- #define P9100_FB_OFF 0x0UL
- /* 3 bits: 2=8bpp 3=16bpp 5=32bpp 7=24bpp */
- #define SYS_CONFIG_PIXELSIZE_SHIFT 26
- #define SCREENPAINT_TIMECTL1_ENABLE_VIDEO 0x20 /* 0 = off, 1 = on */
- struct p9100_ctrl {
- /* Registers for the system control */
- __volatile__ __u32 sys_base;
- __volatile__ __u32 sys_config;
- __volatile__ __u32 sys_intr;
- __volatile__ __u32 sys_int_ena;
- __volatile__ __u32 sys_alt_rd;
- __volatile__ __u32 sys_alt_wr;
- __volatile__ __u32 sys_xxx[58];
- /* Registers for the video control */
- __volatile__ __u32 vid_base;
- __volatile__ __u32 vid_hcnt;
- __volatile__ __u32 vid_htotal;
- __volatile__ __u32 vid_hsync_rise;
- __volatile__ __u32 vid_hblank_rise;
- __volatile__ __u32 vid_hblank_fall;
- __volatile__ __u32 vid_hcnt_preload;
- __volatile__ __u32 vid_vcnt;
- __volatile__ __u32 vid_vlen;
- __volatile__ __u32 vid_vsync_rise;
- __volatile__ __u32 vid_vblank_rise;
- __volatile__ __u32 vid_vblank_fall;
- __volatile__ __u32 vid_vcnt_preload;
- __volatile__ __u32 vid_screenpaint_addr;
- __volatile__ __u32 vid_screenpaint_timectl1;
- __volatile__ __u32 vid_screenpaint_qsfcnt;
- __volatile__ __u32 vid_screenpaint_timectl2;
- __volatile__ __u32 vid_xxx[15];
- /* Registers for the video control */
- __volatile__ __u32 vram_base;
- __volatile__ __u32 vram_memcfg;
- __volatile__ __u32 vram_refresh_pd;
- __volatile__ __u32 vram_refresh_cnt;
- __volatile__ __u32 vram_raslo_max;
- __volatile__ __u32 vram_raslo_cur;
- __volatile__ __u32 pwrup_cfg;
- __volatile__ __u32 vram_xxx[25];
- /* Registers for IBM RGB528 Palette */
- __volatile__ __u32 ramdac_cmap_wridx;
- __volatile__ __u32 ramdac_palette_data;
- __volatile__ __u32 ramdac_pixel_mask;
- __volatile__ __u32 ramdac_palette_rdaddr;
- __volatile__ __u32 ramdac_idx_lo;
- __volatile__ __u32 ramdac_idx_hi;
- __volatile__ __u32 ramdac_idx_data;
- __volatile__ __u32 ramdac_idx_ctl;
- __volatile__ __u32 ramdac_xxx[1784];
- };
- struct p9100_cmd_parameng {
- __volatile__ __u32 parameng_status;
- __volatile__ __u32 parameng_bltcmd;
- __volatile__ __u32 parameng_quadcmd;
- };
- #endif /* _P9100_H_ */