patch-2.4.8 linux/drivers/video/aty/atyfb.h

• Lines: 319
• Date: Tue Jul 31 14:43:29 2001
• Orig file: v2.4.7/linux/drivers/video/aty/atyfb.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.7/linux/drivers/video/aty/atyfb.h linux/drivers/video/aty/atyfb.h
@@ -0,0 +1,318 @@
+
+/*
+ *  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;
+