| |
| /* |
| * ATI Frame Buffer Device Driver Core Definitions |
| */ |
| #define u32 uint32_t |
| #define u16 uint16_t |
| #define u8 uint8_t |
| |
| #define u_int uint32_t |
| |
| #define EINVAL -1 |
| |
| #define readb(addr) (*(volatile unsigned char *) (addr)) |
| #define readw(addr) (*(volatile unsigned short *) (addr)) |
| #define readl(addr) (*(volatile unsigned int *) (addr)) |
| |
| #define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b)) |
| #define writew(b,addr) (*(volatile unsigned short *) (addr) = (b)) |
| #define writel(b,addr) (*(volatile unsigned int *) (addr) = (b)) |
| |
| |
| #define max(x,y) (x>=y)?x:y |
| |
| #if CONFIG_CONSOLE_BTEXT==1 |
| /* |
| * Elements of the hardware specific atyfb_par structure |
| */ |
| struct crtc { |
| u32 vxres; |
| u32 vyres; |
| u32 xoffset; |
| u32 yoffset; |
| u32 bpp; |
| 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 */ |
| }; |
| #endif /* CONFIG_CONSOLE_BTEXT */ |
| #if 0 |
| struct pll_514 { |
| u8 m; |
| u8 n; |
| }; |
| |
| struct pll_18818 |
| { |
| u32 program_bits; |
| u32 locationAddr; |
| u32 period_in_ps; |
| u32 post_divider; |
| }; |
| #endif |
| struct pll_ct { |
| u8 pll_ref_div; |
| u8 pll_gen_cntl; |
| u8 mclk_fb_div; |
| u8 mclk_fb_mult; /* 2 or 4 */ |
| u8 sclk_fb_div; |
| u8 pll_vclk_cntl; |
| u8 vclk_post_div; |
| u8 vclk_fb_div; |
| u8 pll_ext_cntl; |
| u8 spll_cntl2; |
| u32 dsp_config; /* Mach64 GTB DSP */ |
| u32 dsp_on_off; /* Mach64 GTB DSP */ |
| u8 mclk_post_div_real; |
| u8 xclk_post_div_real; |
| u8 vclk_post_div_real; |
| }; |
| |
| union aty_pll { |
| struct pll_ct ct; |
| #if 0 |
| struct pll_514 ibm514; |
| struct pll_18818 ics2595; |
| #endif |
| }; |
| |
| |
| /* |
| * The hardware parameters for each card |
| */ |
| struct atyfb_par { |
| #if CONFIG_CONSOLE_BTEXT==1 |
| struct crtc crtc; |
| #endif |
| union aty_pll pll; |
| u32 accel_flags; |
| }; |
| #if 0 |
| struct aty_cursor { |
| int enable; |
| int on; |
| int vbl_cnt; |
| int blink_rate; |
| u32 offset; |
| struct { |
| u16 x, y; |
| } pos, hot, size; |
| u32 color[2]; |
| u8 bits[8][64]; |
| u8 mask[8][64]; |
| u8 *ram; |
| struct timer_list *timer; |
| }; |
| #endif |
| struct fb_info_aty { |
| #if CONFIG_CONSOLE_BTEXT==1 |
| #if PLL_CRTC_DECODE==1 |
| struct fb_info fb_info; |
| #endif |
| #endif |
| #if 0 |
| struct fb_info_aty *next; |
| unsigned long ati_regbase_phys; |
| #endif |
| unsigned long ati_regbase; |
| #if 0 |
| unsigned long frame_buffer_phys; |
| #endif |
| unsigned long frame_buffer; |
| unsigned long clk_wr_offset; |
| #if 0 |
| struct pci_mmap_map *mmap_map; |
| struct aty_cursor *cursor; |
| #endif |
| struct aty_cmap_regs *aty_cmap_regs; |
| #if 0 |
| struct { u8 red, green, blue, pad; } palette[256]; |
| #endif |
| struct atyfb_par default_par; |
| #if PLL_CRTC_DECODE==1 |
| struct atyfb_par current_par; |
| #endif |
| |
| u32 features; |
| u32 total_vram; |
| u32 ref_clk_per; |
| u32 pll_per; |
| u32 mclk_per; |
| u32 xclk_per; |
| u8 bus_type; |
| u8 ram_type; |
| u8 mem_refresh_rate; |
| #if 0 |
| struct aty_dac_ops *dac_ops; |
| struct aty_pll_ops *pll_ops; |
| struct display disp; |
| struct display_switch dispsw; |
| #endif |
| |
| #if 0 |
| union { |
| #ifdef FBCON_HAS_CFB16 |
| u16 cfb16[16]; |
| #endif |
| #ifdef FBCON_HAS_CFB24 |
| u32 cfb24[16]; |
| #endif |
| #ifdef FBCON_HAS_CFB32 |
| u32 cfb32[16]; |
| #endif |
| } fbcon_cmap; |
| #endif |
| u8 blitter_may_be_busy; |
| #if 0 |
| #ifdef __sparc__ |
| u8 mmaped; |
| int open; |
| int vtconsole; |
| int consolecnt; |
| #endif |
| #ifdef CONFIG_PMAC_PBOOK |
| unsigned char *save_framebuffer; |
| unsigned long save_pll[64]; |
| #endif |
| #endif |
| }; |
| |
| |
| /* |
| * ATI Mach64 features |
| */ |
| |
| #define M64_HAS(feature) ((info)->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 |
| #define M64F_MFB_TIMES_4 0x00100000 |
| |
| |
| /* |
| * Register access |
| */ |
| |
| static inline u32 aty_ld_le32(int regindex, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #ifdef CONFIG_ATARI |
| return in_le32((volatile u32 *)(info->ati_regbase+regindex)); |
| #else |
| return readl (info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline void aty_st_le32(int regindex, u32 val, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #ifdef CONFIG_ATARI |
| out_le32 (info->ati_regbase+regindex, val); |
| #else |
| writel (val, info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline u16 aty_ld_le16(int regindex, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #if defined(__mc68000__) |
| return le16_to_cpu(*((volatile u16 *)(info->ati_regbase+regindex))); |
| #else |
| return readw (info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline void aty_st_le16(int regindex, u16 val, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #if defined(__mc68000__) |
| *((volatile u16 *)(info->ati_regbase+regindex)) = cpu_to_le16(val); |
| #else |
| writew (val, info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline u8 aty_ld_8(int regindex, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #ifdef CONFIG_ATARI |
| return in_8 (info->ati_regbase + regindex); |
| #else |
| return readb (info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline void aty_st_8(int regindex, u8 val, |
| const struct fb_info_aty *info) |
| { |
| /* Hack for bloc 1, should be cleanly optimized by compiler */ |
| if (regindex >= 0x400) |
| regindex -= 0x800; |
| |
| #ifdef CONFIG_ATARI |
| out_8 (info->ati_regbase + regindex, val); |
| #else |
| writeb (val, info->ati_regbase + regindex); |
| #endif |
| } |
| |
| static inline u8 aty_ld_pll(int offset, const struct fb_info_aty *info) |
| { |
| u8 res; |
| |
| /* write addr byte */ |
| aty_st_8(CLOCK_CNTL + 1, (offset << 2), info); |
| /* read the register value */ |
| res = aty_ld_8(CLOCK_CNTL + 2, info); |
| return res; |
| } |
| |
| /* |
| * CT family only. |
| */ |
| static inline void aty_st_pll(int offset, u8 val, |
| const struct fb_info_aty *info) |
| { |
| /* write addr byte */ |
| aty_st_8(CLOCK_CNTL + 1, (offset << 2) | PLL_WR_EN, info); |
| /* write the register value */ |
| aty_st_8(CLOCK_CNTL + 2, val, info); |
| aty_st_8(CLOCK_CNTL + 1, (offset << 2) & ~PLL_WR_EN, info); |
| } |
| |
| |
| /* |
| * DAC operations |
| */ |
| |
| #if 0 |
| |
| struct aty_dac_ops { |
| int (*set_dac)(const struct fb_info_aty *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 */ |
| static struct aty_dac_ops aty_dac_ct; /* Integrated */ |
| |
| #endif |
| |
| /* |
| * Clock operations |
| */ |
| |
| #if 0 |
| struct aty_pll_ops { |
| int (*var_to_pll)(const struct fb_info_aty *info, u32 vclk_per, u8 bpp, |
| union aty_pll *pll); |
| #if 0 |
| u32 (*pll_to_var)(const struct fb_info_aty *info, |
| const union aty_pll *pll); |
| void (*set_pll)(const struct fb_info_aty *info, const union aty_pll *pll); |
| #endif |
| }; |
| |
| #endif |
| |
| #if 0 |
| 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 */ |
| #endif |
| #if 0 |
| static struct aty_pll_ops aty_pll_ct; /* Integrated */ |
| |
| static void aty_set_pll_ct(const struct fb_info_aty *info, |
| const union aty_pll *pll); |
| |
| static void aty_calc_pll_ct(const struct fb_info_aty *info, |
| struct pll_ct *pll); |
| #endif |
| #if 0 |
| /* |
| * Hardware cursor support |
| */ |
| extern struct aty_cursor *aty_init_cursor(struct fb_info_aty *fb); |
| extern void atyfb_cursor(struct display *p, int mode, int x, int y); |
| extern void aty_set_cursor_color(struct fb_info_aty *fb); |
| extern void aty_set_cursor_shape(struct fb_info_aty *fb); |
| extern int atyfb_set_font(struct display *d, int width, int height); |
| #endif |
| /* |
| * Hardware acceleration |
| */ |
| |
| static inline void wait_for_fifo(u16 entries, const struct fb_info_aty *info) |
| { |
| while ((aty_ld_le32(FIFO_STAT, info) & 0xffff) > |
| ((u32)(0x8000 >> entries))); |
| } |
| |
| static inline void wait_for_idle(struct fb_info_aty *info) |
| { |
| wait_for_fifo(16, info); |
| while ((aty_ld_le32(GUI_STAT, info) & 1)!= 0); |
| info->blitter_may_be_busy = 0; |
| } |
| #if 0 |
| extern void aty_reset_engine(const struct fb_info_aty *info); |
| extern void aty_init_engine(const struct atyfb_par *par, |
| struct fb_info_aty *info); |
| extern void aty_rectfill(int dstx, int dsty, u_int width, u_int height, |
| u_int color, struct fb_info_aty *info); |
| |
| |
| /* |
| * Text console acceleration |
| */ |
| |
| extern const struct display_switch fbcon_aty8; |
| extern const struct display_switch fbcon_aty16; |
| extern const struct display_switch fbcon_aty24; |
| extern const struct display_switch fbcon_aty32; |
| #endif |