/* * ATI Frame Buffer Device Driver Core Definitions */ #include /* * Elements of the hardware specific atyfb_par structure */ struct crtc { u32 vxres; u32 vyres; u32 h_tot_disp; u32 h_sync_strt_wid; u32 v_tot_disp; u32 v_sync_strt_wid; u32 off_pitch; u32 gen_cntl; u32 dp_pix_width; /* acceleration */ u32 dp_chain_mask; /* acceleration */ }; struct pll_514 { u8 m; u8 n; }; struct pll_18818 { u32 program_bits; u32 locationAddr; u32 period_in_ps; u32 post_divider; }; struct pll_ct { u8 pll_ref_div; u8 pll_gen_cntl; u8 mclk_fb_div; u8 pll_vclk_cntl; u8 vclk_post_div; u8 vclk_fb_div; u8 pll_ext_cntl; u32 dsp_config; /* Mach64 GTB DSP */ u32 dsp_on_off; /* Mach64 GTB DSP */ u8 mclk_post_div_real; u8 vclk_post_div_real; }; union aty_pll { struct pll_ct ct; struct pll_514 ibm514; struct pll_18818 ics2595; }; /* * The hardware parameters for each card */ struct aty_cursor { u8 bits[8][64]; u8 mask[8][64]; u8 *ram; }; struct atyfb_par { struct aty_cmap_regs *aty_cmap_regs; const struct aty_dac_ops *dac_ops; const struct aty_pll_ops *pll_ops; struct aty_cursor *cursor; unsigned long ati_regbase; unsigned long clk_wr_offset; struct crtc crtc; union aty_pll pll; u32 features; u32 ref_clk_per; u32 pll_per; u32 mclk_per; u8 bus_type; u8 ram_type; u8 mem_refresh_rate; u8 blitter_may_be_busy; u32 accel_flags; #ifdef __sparc__ struct pci_mmap_map *mmap_map; u8 mmaped; int open; #endif #ifdef CONFIG_PMAC_PBOOK struct fb_info *next; unsigned char *save_framebuffer; unsigned long save_pll[64]; #endif }; /* * ATI Mach64 features */ #define M64_HAS(feature) ((par)->features & (M64F_##feature)) #define M64F_RESET_3D 0x00000001 #define M64F_MAGIC_FIFO 0x00000002 #define M64F_GTB_DSP 0x00000004 #define M64F_FIFO_24 0x00000008 #define M64F_SDRAM_MAGIC_PLL 0x00000010 #define M64F_MAGIC_POSTDIV 0x00000020 #define M64F_INTEGRATED 0x00000040 #define M64F_CT_BUS 0x00000080 #define M64F_VT_BUS 0x00000100 #define M64F_MOBIL_BUS 0x00000200 #define M64F_GX 0x00000400 #define M64F_CT 0x00000800 #define M64F_VT 0x00001000 #define M64F_GT 0x00002000 #define M64F_MAGIC_VRAM_SIZE 0x00004000 #define M64F_G3_PB_1_1 0x00008000 #define M64F_G3_PB_1024x768 0x00010000 #define M64F_EXTRA_BRIGHT 0x00020000 #define M64F_LT_SLEEP 0x00040000 #define M64F_XL_DLL 0x00080000 /* * Register access */ static inline u32 aty_ld_le32(int regindex, const struct atyfb_par *par) { /* Hack for bloc 1, should be cleanly optimized by compiler */ if (regindex >= 0x400) regindex -= 0x800; #ifdef CONFIG_ATARI return in_le32((volatile u32 *)(par->ati_regbase + regindex)); #else return readl(par->ati_regbase + regindex); #endif } static inline void aty_st_le32(int regindex, u32 val, const struct atyfb_par *par) { /* Hack for bloc 1, should be cleanly optimized by compiler */ if (regindex >= 0x400) regindex -= 0x800; #ifdef CONFIG_ATARI out_le32((volatile u32 *)(par->ati_regbase + regindex), val); #else writel(val, par->ati_regbase + regindex); #endif } static inline u8 aty_ld_8(int regindex, const struct atyfb_par *par) { /* Hack for bloc 1, should be cleanly optimized by compiler */ if (regindex >= 0x400) regindex -= 0x800; #ifdef CONFIG_ATARI return in_8(par->ati_regbase + regindex); #else return readb(par->ati_regbase + regindex); #endif } static inline void aty_st_8(int regindex, u8 val, const struct atyfb_par *par) { /* Hack for bloc 1, should be cleanly optimized by compiler */ if (regindex >= 0x400) regindex -= 0x800; #ifdef CONFIG_ATARI out_8(par->ati_regbase + regindex, val); #else writeb(val, par->ati_regbase + regindex); #endif } static inline u8 aty_ld_pll(int offset, const struct atyfb_par *par) { u8 res; /* write addr byte */ aty_st_8(CLOCK_CNTL + 1, (offset << 2), par); /* read the register value */ res = aty_ld_8(CLOCK_CNTL + 2, par); return res; } /* * DAC operations */ struct aty_dac_ops { int (*set_dac) (const struct fb_info * info, const union aty_pll * pll, u32 bpp, u32 accel); }; extern const struct aty_dac_ops aty_dac_ibm514; /* IBM RGB514 */ extern const struct aty_dac_ops aty_dac_ati68860b; /* ATI 68860-B */ extern const struct aty_dac_ops aty_dac_att21c498; /* AT&T 21C498 */ extern const struct aty_dac_ops aty_dac_unsupported; /* unsupported */ extern const struct aty_dac_ops aty_dac_ct; /* Integrated */ /* * Clock operations */ struct aty_pll_ops { int (*var_to_pll) (const struct fb_info * info, u32 vclk_per, u8 bpp, union aty_pll * pll); u32(*pll_to_var) (const struct fb_info * info, const union aty_pll * pll); void (*set_pll) (const struct fb_info * info, const union aty_pll * pll); }; extern const struct aty_pll_ops aty_pll_ati18818_1; /* ATI 18818 */ extern const struct aty_pll_ops aty_pll_stg1703; /* STG 1703 */ extern const struct aty_pll_ops aty_pll_ch8398; /* Chrontel 8398 */ extern const struct aty_pll_ops aty_pll_att20c408; /* AT&T 20C408 */ extern const struct aty_pll_ops aty_pll_ibm514; /* IBM RGB514 */ extern const struct aty_pll_ops aty_pll_unsupported; /* unsupported */ extern const struct aty_pll_ops aty_pll_ct; /* Integrated */ extern void aty_set_pll_ct(const struct fb_info *info, const union aty_pll *pll); extern void aty_calc_pll_ct(const struct fb_info *info, struct pll_ct *pll); /* * Hardware cursor support */ extern struct aty_cursor *aty_init_cursor(struct fb_info *info); extern int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor); extern void aty_set_cursor_color(struct fb_info *info); extern void aty_set_cursor_shape(struct fb_info *info); /* * Hardware acceleration */ static inline void wait_for_fifo(u16 entries, const struct atyfb_par *par) { while ((aty_ld_le32(FIFO_STAT, par) & 0xffff) > ((u32) (0x8000 >> entries))); } static inline void wait_for_idle(struct atyfb_par *par) { wait_for_fifo(16, par); while ((aty_ld_le32(GUI_STAT, par) & 1) != 0); par->blitter_may_be_busy = 0; } extern void aty_reset_engine(const struct atyfb_par *par); extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info);