1 files changed, 238 insertions, 0 deletions

diff --git a/include/video/tgafb.h b/include/video/tgafb.h
new file mode 100644
index 000000000000..be2b3e94e251
--- /dev/null
+++ b/include/video/tgafb.h
@@ -0,0 +1,238 @@
+/*
+ *  linux/drivers/video/tgafb.h -- DEC 21030 TGA frame buffer device
+ *
+ *      Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
+ *  
+ *  $Id: tgafb.h,v 1.4.2.3 2000/04/04 06:44:56 mato Exp $
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License. See the file COPYING in the main directory of this archive for
+ *  more details.
+ */
+
+#ifndef TGAFB_H
+#define TGAFB_H
+
+/*
+ * TGA hardware description (minimal)
+ */
+
+#define TGA_TYPE_8PLANE                 0
+#define TGA_TYPE_24PLANE                1
+#define TGA_TYPE_24PLUSZ                3
+
+/*
+ * Offsets within Memory Space
+ */
+
+#define TGA_ROM_OFFSET                  0x0000000
+#define TGA_REGS_OFFSET                 0x0100000
+#define TGA_8PLANE_FB_OFFSET            0x0200000
+#define TGA_24PLANE_FB_OFFSET           0x0804000
+#define TGA_24PLUSZ_FB_OFFSET           0x1004000
+
+#define TGA_FOREGROUND_REG              0x0020
+#define TGA_BACKGROUND_REG              0x0024
+#define TGA_PLANEMASK_REG               0x0028
+#define TGA_PIXELMASK_ONESHOT_REG       0x002c
+#define TGA_MODE_REG                    0x0030
+#define TGA_RASTEROP_REG                0x0034
+#define TGA_PIXELSHIFT_REG              0x0038
+#define TGA_DEEP_REG                    0x0050
+#define TGA_PIXELMASK_REG               0x005c
+#define TGA_CURSOR_BASE_REG             0x0060
+#define TGA_HORIZ_REG                   0x0064
+#define TGA_VERT_REG                    0x0068
+#define TGA_BASE_ADDR_REG               0x006c
+#define TGA_VALID_REG                   0x0070
+#define TGA_CURSOR_XY_REG               0x0074
+#define TGA_INTR_STAT_REG               0x007c
+#define TGA_DATA_REG                    0x0080
+#define TGA_RAMDAC_SETUP_REG            0x00c0
+#define TGA_BLOCK_COLOR0_REG            0x0140
+#define TGA_BLOCK_COLOR1_REG            0x0144
+#define TGA_BLOCK_COLOR2_REG            0x0148
+#define TGA_BLOCK_COLOR3_REG            0x014c
+#define TGA_BLOCK_COLOR4_REG            0x0150
+#define TGA_BLOCK_COLOR5_REG            0x0154
+#define TGA_BLOCK_COLOR6_REG            0x0158
+#define TGA_BLOCK_COLOR7_REG            0x015c
+#define TGA_COPY64_SRC                  0x0160
+#define TGA_COPY64_DST                  0x0164
+#define TGA_CLOCK_REG                   0x01e8
+#define TGA_RAMDAC_REG                  0x01f0
+#define TGA_CMD_STAT_REG                0x01f8
+
+
+/* 
+ * Useful defines for managing the registers
+ */
+
+#define TGA_HORIZ_ODD                   0x80000000
+#define TGA_HORIZ_POLARITY              0x40000000
+#define TGA_HORIZ_ACT_MSB               0x30000000
+#define TGA_HORIZ_BP                    0x0fe00000
+#define TGA_HORIZ_SYNC                  0x001fc000
+#define TGA_HORIZ_FP                    0x00007c00
+#define TGA_HORIZ_ACT_LSB               0x000001ff
+
+#define TGA_VERT_SE                     0x80000000
+#define TGA_VERT_POLARITY               0x40000000
+#define TGA_VERT_RESERVED               0x30000000
+#define TGA_VERT_BP                     0x0fc00000
+#define TGA_VERT_SYNC                   0x003f0000
+#define TGA_VERT_FP                     0x0000f800
+#define TGA_VERT_ACTIVE                 0x000007ff
+
+#define TGA_VALID_VIDEO                 0x01
+#define TGA_VALID_BLANK                 0x02
+#define TGA_VALID_CURSOR                0x04
+
+#define TGA_MODE_SBM_8BPP               0x000
+#define TGA_MODE_SBM_24BPP              0x300
+
+#define TGA_MODE_SIMPLE                 0x00
+#define TGA_MODE_SIMPLEZ                0x10
+#define TGA_MODE_OPAQUE_STIPPLE         0x01
+#define TGA_MODE_OPAQUE_FILL            0x21
+#define TGA_MODE_TRANSPARENT_STIPPLE    0x03
+#define TGA_MODE_TRANSPARENT_FILL       0x23
+#define TGA_MODE_BLOCK_STIPPLE          0x0d
+#define TGA_MODE_BLOCK_FILL             0x2d
+#define TGA_MODE_COPY                   0x07
+#define TGA_MODE_DMA_READ_COPY_ND       0x17
+#define TGA_MODE_DMA_READ_COPY_D        0x37
+#define TGA_MODE_DMA_WRITE_COPY         0x1f
+
+
+/*
+ * Useful defines for managing the ICS1562 PLL clock
+ */
+
+#define TGA_PLL_BASE_FREQ               14318           /* .18 */
+#define TGA_PLL_MAX_FREQ                230000
+
+
+/*
+ * Useful defines for managing the BT485 on the 8-plane TGA
+ */
+
+#define BT485_READ_BIT                  0x01
+#define BT485_WRITE_BIT                 0x00
+
+#define BT485_ADDR_PAL_WRITE            0x00
+#define BT485_DATA_PAL                  0x02
+#define BT485_PIXEL_MASK                0x04
+#define BT485_ADDR_PAL_READ             0x06
+#define BT485_ADDR_CUR_WRITE            0x08
+#define BT485_DATA_CUR                  0x0a
+#define BT485_CMD_0                     0x0c
+#define BT485_ADDR_CUR_READ             0x0e
+#define BT485_CMD_1                     0x10
+#define BT485_CMD_2                     0x12
+#define BT485_STATUS                    0x14
+#define BT485_CMD_3                     0x14
+#define BT485_CUR_RAM                   0x16
+#define BT485_CUR_LOW_X                 0x18
+#define BT485_CUR_HIGH_X                0x1a
+#define BT485_CUR_LOW_Y                 0x1c
+#define BT485_CUR_HIGH_Y                0x1e
+
+
+/*
+ * Useful defines for managing the BT463 on the 24-plane TGAs
+ */
+
+#define BT463_ADDR_LO           0x0
+#define BT463_ADDR_HI           0x1
+#define BT463_REG_ACC           0x2
+#define BT463_PALETTE           0x3
+
+#define BT463_CUR_CLR_0         0x0100
+#define BT463_CUR_CLR_1         0x0101
+
+#define BT463_CMD_REG_0         0x0201
+#define BT463_CMD_REG_1         0x0202
+#define BT463_CMD_REG_2         0x0203
+
+#define BT463_READ_MASK_0       0x0205
+#define BT463_READ_MASK_1       0x0206
+#define BT463_READ_MASK_2       0x0207
+#define BT463_READ_MASK_3       0x0208
+
+#define BT463_BLINK_MASK_0      0x0209
+#define BT463_BLINK_MASK_1      0x020a
+#define BT463_BLINK_MASK_2      0x020b
+#define BT463_BLINK_MASK_3      0x020c
+
+#define BT463_WINDOW_TYPE_BASE  0x0300
+
+/*
+ * The framebuffer driver private data.
+ */
+
+struct tga_par {
+        /* PCI device.  */
+        struct pci_dev *pdev;
+
+        /* Device dependent information.  */
+        void __iomem *tga_mem_base;
+        void __iomem *tga_fb_base;
+        void __iomem *tga_regs_base;
+        u8 tga_type;                            /* TGA_TYPE_XXX */
+        u8 tga_chip_rev;                        /* dc21030 revision */
+
+        /* Remember blank mode.  */
+        u8 vesa_blanked;
+
+        /* Define the video mode.  */
+        u32 xres, yres;                 /* resolution in pixels */
+        u32 htimings;                   /* horizontal timing register */
+        u32 vtimings;                   /* vertical timing register */
+        u32 pll_freq;                   /* pixclock in mhz */
+        u32 bits_per_pixel;             /* bits per pixel */
+        u32 sync_on_green;              /* set if sync is on green */
+};
+
+
+/*
+ * Macros for reading/writing TGA and RAMDAC registers
+ */
+
+static inline void
+TGA_WRITE_REG(struct tga_par *par, u32 v, u32 r)
+{
+        writel(v, par->tga_regs_base +r);
+}
+
+static inline u32
+TGA_READ_REG(struct tga_par *par, u32 r)
+{
+        return readl(par->tga_regs_base +r);
+}
+
+static inline void
+BT485_WRITE(struct tga_par *par, u8 v, u8 r)
+{
+        TGA_WRITE_REG(par, r, TGA_RAMDAC_SETUP_REG);
+        TGA_WRITE_REG(par, v | (r << 8), TGA_RAMDAC_REG);
+}
+
+static inline void
+BT463_LOAD_ADDR(struct tga_par *par, u16 a)
+{
+        TGA_WRITE_REG(par, BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG);
+        TGA_WRITE_REG(par, (BT463_ADDR_LO<<10) | (a & 0xff), TGA_RAMDAC_REG);
+        TGA_WRITE_REG(par, BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG);
+        TGA_WRITE_REG(par, (BT463_ADDR_HI<<10) | (a >> 8), TGA_RAMDAC_REG);
+}
+
+static inline void
+BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
+{
+        BT463_LOAD_ADDR(par, a);
+        TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
+        TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG);
+}
+
+#endif /* TGAFB_H */