Edit File: tgafb.h
/* * 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_START_REG 0x0054 #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/SFB+s */ #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 /* * Useful defines for managing the BT459 on the 8-plane SFB+s */ #define BT459_ADDR_LO 0x0 #define BT459_ADDR_HI 0x1 #define BT459_REG_ACC 0x2 #define BT459_PALETTE 0x3 #define BT459_CUR_CLR_1 0x0181 #define BT459_CUR_CLR_2 0x0182 #define BT459_CUR_CLR_3 0x0183 #define BT459_CMD_REG_0 0x0201 #define BT459_CMD_REG_1 0x0202 #define BT459_CMD_REG_2 0x0203 #define BT459_READ_MASK 0x0204 #define BT459_BLINK_MASK 0x0206 #define BT459_CUR_CMD_REG 0x0300 /* * The framebuffer driver private data. */ struct tga_par { /* PCI/TC device. */ struct device *dev; /* 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 */ u32 palette[16]; }; /* * 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); } static inline void BT459_LOAD_ADDR(struct tga_par *par, u16 a) { TGA_WRITE_REG(par, BT459_ADDR_LO << 2, TGA_RAMDAC_SETUP_REG); TGA_WRITE_REG(par, a & 0xff, TGA_RAMDAC_REG); TGA_WRITE_REG(par, BT459_ADDR_HI << 2, TGA_RAMDAC_SETUP_REG); TGA_WRITE_REG(par, a >> 8, TGA_RAMDAC_REG); } static inline void BT459_WRITE(struct tga_par *par, u32 m, u16 a, u8 v) { BT459_LOAD_ADDR(par, a); TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG); TGA_WRITE_REG(par, v, TGA_RAMDAC_REG); } #endif /* TGAFB_H */