1 files changed, 359 insertions, 0 deletions

diff --git a/drivers/video/aty/atyfb.h b/drivers/video/aty/atyfb.h
new file mode 100644
index 000000000000..09de173c1164
--- /dev/null
+++ b/drivers/video/aty/atyfb.h
@@ -0,0 +1,359 @@
+/*
+ *  ATI Frame Buffer Device Driver Core Definitions
+ */
+
+#include <linux/config.h>
+#include <linux/spinlock.h>
+#include <linux/wait.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 vline_crnt_vline;
+        u32 off_pitch;
+        u32 gen_cntl;
+        u32 dp_pix_width;       /* acceleration */
+        u32 dp_chain_mask;      /* acceleration */
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+        u32 horz_stretching;
+        u32 vert_stretching;
+        u32 ext_vert_stretch;
+        u32 shadow_h_tot_disp;
+        u32 shadow_h_sync_strt_wid;
+        u32 shadow_v_tot_disp;
+        u32 shadow_v_sync_strt_wid;
+        u32 lcd_gen_cntl;
+        u32 lcd_config_panel;
+        u32 lcd_index;
+#endif
+};
+
+struct aty_interrupt {
+        wait_queue_head_t wait;
+        unsigned int count;
+        int pan_display;
+};
+
+struct pll_info {
+        int pll_max;
+        int pll_min;
+        int sclk, mclk, mclk_pm, xclk;
+        int ref_div;
+        int ref_clk;
+};
+
+typedef struct {
+        u16 unknown1;
+        u16 PCLK_min_freq;
+        u16 PCLK_max_freq;
+        u16 unknown2;
+        u16 ref_freq;
+        u16 ref_divider;
+        u16 unknown3;
+        u16 MCLK_pwd;
+        u16 MCLK_max_freq;
+        u16 XCLK_max_freq;
+        u16 SCLK_freq;
+} __attribute__ ((packed)) PLL_BLOCK_MACH64;
+
+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 mclk_fb_mult; /* 2 ro 4 */
+        u8 sclk_fb_div;
+        u8 pll_vclk_cntl;
+        u8 vclk_post_div;
+        u8 vclk_fb_div;
+        u8 pll_ext_cntl;
+        u8 ext_vpll_cntl;
+        u8 spll_cntl2;
+        u32 dsp_config; /* Mach64 GTB DSP */
+        u32 dsp_on_off; /* Mach64 GTB DSP */
+        u32 dsp_loop_latency;
+        u32 fifo_size;
+        u32 xclkpagefaultdelay;
+        u32 xclkmaxrasdelay;
+        u8 xclk_ref_div;
+        u8 xclk_post_div;
+        u8 mclk_post_div_real;
+        u8 xclk_post_div_real;
+        u8 vclk_post_div_real;
+        u8 features;
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+        u32 xres; /* use for LCD stretching/scaling */
+#endif
+};
+
+/*
+        for pll_ct.features
+*/
+#define DONT_USE_SPLL 0x1
+#define DONT_USE_XDLL 0x2
+#define USE_CPUCLK    0x4
+#define POWERDOWN_PLL 0x8
+
+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 aty_cmap_regs __iomem *aty_cmap_regs;
+        struct { u8 red, green, blue; } palette[256];
+        const struct aty_dac_ops *dac_ops;
+        const struct aty_pll_ops *pll_ops;
+        void __iomem *ati_regbase;
+        unsigned long clk_wr_offset; /* meaning overloaded, clock id by CT */
+        struct crtc crtc;
+        union aty_pll pll;
+        struct pll_info pll_limits;
+        u32 features;
+        u32 ref_clk_per;
+        u32 pll_per;
+        u32 mclk_per;
+        u32 xclk_per;
+        u8 bus_type;
+        u8 ram_type;
+        u8 mem_refresh_rate;
+        u16 pci_id;
+        u32 accel_flags;
+        int blitter_may_be_busy;
+        int asleep;
+        int lock_blank;
+        unsigned long res_start;
+        unsigned long res_size;
+#ifdef __sparc__
+        struct pci_mmap_map *mmap_map;
+        u8 mmaped;
+#endif
+        int open;
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+        unsigned long bios_base_phys;
+        unsigned long bios_base;
+        unsigned long lcd_table;
+        u16 lcd_width;
+        u16 lcd_height;
+        u32 lcd_pixclock;
+        u16 lcd_refreshrate;
+        u16 lcd_htotal;
+        u16 lcd_hdisp;
+        u16 lcd_hsync_dly;
+        u16 lcd_hsync_len;
+        u16 lcd_vtotal;
+        u16 lcd_vdisp;
+        u16 lcd_vsync_len;
+        u16 lcd_right_margin;
+        u16 lcd_lower_margin;
+        u16 lcd_hblank_len;
+        u16 lcd_vblank_len;
+#endif
+        unsigned long aux_start; /* auxiliary aperture */
+        unsigned long aux_size;
+        struct aty_interrupt vblank;
+        unsigned long irq_flags;
+        unsigned int irq;
+        spinlock_t int_lock;
+#ifdef CONFIG_MTRR
+        int mtrr_aper;
+        int mtrr_reg;
+#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_32            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_LCD_REGS        0x00040000
+#define M64F_XL_DLL             0x00080000
+#define M64F_MFB_FORCE_4        0x00100000
+#define M64F_HW_TRIPLE          0x00200000
+    /*
+     *  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 void aty_st_le16(int regindex, u16 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_le16((volatile u16 *)(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
+}
+
+#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD)
+extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par);
+extern u32 aty_ld_lcd(int index, const struct atyfb_par *par);
+#endif
+
+    /*
+     *  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, u32 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);
+        void (*get_pll)   (const struct fb_info *info, union aty_pll * pll);
+        int (*init_pll)   (const struct fb_info * info, 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 u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par);
+
+
+    /*
+     *  Hardware cursor support
+     */
+
+extern int aty_init_cursor(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);
+extern int  atyfb_xl_init(struct fb_info *info);
+extern void aty_st_pll_ct(int offset, u8 val, const struct atyfb_par *par);
+extern u8   aty_ld_pll_ct(int offset, const struct atyfb_par *par);