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/*
* ATI Frame Buffer Device Driver Core Definitions
*/
#include <linux/config.h>
/*
* 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 */
};
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 atyfb_par {
struct crtc crtc;
union aty_pll pll;
u32 accel_flags;
};
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;
};
struct fb_info_aty {
struct fb_info fb_info;
struct fb_info_aty *next;
unsigned long ati_regbase_phys;
unsigned long ati_regbase;
unsigned long frame_buffer_phys;
unsigned long frame_buffer;
unsigned long clk_wr_offset;
struct pci_mmap_map *mmap_map;
struct aty_cursor *cursor;
struct aty_cmap_regs *aty_cmap_regs;
struct { u8 red, green, blue, pad; } palette[256];
struct atyfb_par default_par;
struct atyfb_par current_par;
u32 features;
u32 total_vram;
u32 ref_clk_per;
u32 pll_per;
u32 mclk_per;
u8 bus_type;
u8 ram_type;
u8 mem_refresh_rate;
const struct aty_dac_ops *dac_ops;
const struct aty_pll_ops *pll_ops;
struct display disp;
struct display_switch dispsw;
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;
u8 blitter_may_be_busy;
#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
};
/*
* 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
/*
* 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;
#if defined(__mc68000__)
return le32_to_cpu(*((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;
#if defined(__mc68000__)
*((volatile u32 *)(info->ati_regbase+regindex)) = cpu_to_le32(val);
#else
writel (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;
return readb (info->ati_regbase + regindex);
}
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;
writeb (val, info->ati_regbase + regindex);
}
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;
}
/*
* DAC operations
*/
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 */
extern const struct aty_dac_ops aty_dac_ct; /* Integrated */
/*
* Clock operations
*/
struct aty_pll_ops {
int (*var_to_pll)(const struct fb_info_aty *info, u32 vclk_per, u8 bpp,
union aty_pll *pll);
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);
};
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_aty *info,
const union aty_pll *pll);
extern void aty_calc_pll_ct(const struct fb_info_aty *info,
struct pll_ct *pll);
/*
* 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);
/*
* 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;
}
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;
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