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freebsd/sys/dev/tga/tga_pci.h
David E. O'Brien 2a200695e4 Add the TGA video driver. This is a great accomplishtment and will help 
us a lot on older Alphas.
Andrew Gallatin, Thomas V. Crimi, and Peter Jeremy contributed to this
work along with the submitter.

Submitted by:	 Andrew M. Miklic <miklic@home.com>
2001-11-01 08:26:30 +00:00

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/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* Copyright (c) 2000 Andrew Miklic
*
* $FreeBSD$
*/
#ifndef _PCI_TGA_H_
#define _PCI_TGA_H_
/*
* Device-specific PCI register offsets and contents.
*/
#define TGA_PCIREG_PVRR 0x40 /* PCI Address Extension Register */
#define TGA_PCIREG_PAER 0x44 /* PCI VGA Redirect Register */
/*
* TGA Memory Space offsets
*/
#define TGA_MEM_ALTROM 0x0000000 /* 0MB -- Alternate ROM space */
#define TGA2_MEM_EXTDEV 0x0000000 /* 0MB -- External Device Access */
#define TGA_MEM_CREGS 0x0100000 /* 1MB -- Core Registers */
#define TGA_CREGS_SIZE 0x0100000 /* Core registers occupy 1MB */
#define TGA_CREGS_ALIAS 0x0000400 /* Register copies every 1kB */
#define TGA2_MEM_CLOCK 0x0060000 /* TGA2 Clock access */
#define TGA2_MEM_RAMDAC 0x0080000 /* TGA2 RAMDAC access */
/*
* TGA Core Space register numbers and contents.
*/
#define TGA_REG_GCBR0 0x000 /* Copy buffer 0 */
#define TGA_REG_GCBR1 0x001 /* Copy buffer 1 */
#define TGA_REG_GCBR2 0x002 /* Copy buffer 2 */
#define TGA_REG_GCBR3 0x003 /* Copy buffer 3 */
#define TGA_REG_GCBR4 0x004 /* Copy buffer 4 */
#define TGA_REG_GCBR5 0x005 /* Copy buffer 5 */
#define TGA_REG_GCBR6 0x006 /* Copy buffer 6 */
#define TGA_REG_GCBR7 0x007 /* Copy buffer 7 */
#define TGA_REG_GFGR 0x008 /* Foreground */
#define TGA_REG_GBGR 0x009 /* Background */
#define TGA_REG_GPMR 0x00a /* Plane Mask */
#define TGA_REG_GPXR_S 0x00b /* Pixel Mask (one-shot) */
#define TGA_REG_GMOR 0x00c /* Mode */
#define TGA_REG_GOPR 0x00d /* Raster Operation */
#define TGA_REG_GPSR 0x00e /* Pixel Shift */
#define TGA_REG_GADR 0x00f /* Address */
#define TGA_REG_GB1R 0x010 /* Bresenham 1 */
#define TGA_REG_GB2R 0x011 /* Bresenham 2 */
#define TGA_REG_GB3R 0x012 /* Bresenham 3 */
#define TGA_REG_GCTR 0x013 /* Continue */
#define TGA_REG_GDER 0x014 /* Deep */
#define TGA_REG_GREV 0x015 /* Start/Version on TGA,
* Revision on TGA2 */
#define TGA_REG_GSMR 0x016 /* Stencil Mode */
#define TGA_REG_GPXR_P 0x017 /* Pixel Mask (persistent) */
#define TGA_REG_CCBR 0x018 /* Cursor Base Address */
#define TGA_REG_VHCR 0x019 /* Horizontal Control */
#define TGA_REG_VVCR 0x01a /* Vertical Control */
#define TGA_REG_VVBR 0x01b /* Video Base Address */
#define TGA_REG_VVVR 0x01c /* Video Valid */
#define TGA_REG_CXYR 0x01d /* Cursor XY */
#define TGA_REG_VSAR 0x01e /* Video Shift Address */
#define TGA_REG_SISR 0x01f /* Interrupt Status */
#define TGA_REG_GDAR 0x020 /* Data */
#define TGA_REG_GRIR 0x021 /* Red Increment */
#define TGA_REG_GGIR 0x022 /* Green Increment */
#define TGA_REG_GBIR 0x023 /* Blue Increment */
#define TGA_REG_GZIR_L 0x024 /* Z-increment Low */
#define TGA_REG_GZIR_H 0x025 /* Z-Increment High */
#define TGA_REG_GDBR 0x026 /* DMA Base Address */
#define TGA_REG_GBWR 0x027 /* Bresenham Width */
#define TGA_REG_GZVR_L 0x028 /* Z-value Low */
#define TGA_REG_GZVR_H 0x029 /* Z-value High */
#define TGA_REG_GZBR 0x02a /* Z-base address */
/* GADR alias 0x02b */
#define TGA_REG_GRVR 0x02c /* Red Value */
#define TGA_REG_GGVR 0x02d /* Green Value */
#define TGA_REG_GBVR 0x02e /* Blue Value */
#define TGA_REG_GSWR 0x02f /* Span Width */
#define TGA_REG_EPSR 0x030 /* Pallete and DAC Setup */
/* reserved 0x031 - 0x3f */
#define TGA_REG_GSNR0 0x040 /* Slope-no-go 0 */
#define TGA_REG_GSNR1 0x041 /* Slope-no-go 1 */
#define TGA_REG_GSNR2 0x042 /* Slope-no-go 2 */
#define TGA_REG_GSNR3 0x043 /* Slope-no-go 3 */
#define TGA_REG_GSNR4 0x044 /* Slope-no-go 4 */
#define TGA_REG_GSNR5 0x045 /* Slope-no-go 5 */
#define TGA_REG_GSNR6 0x046 /* Slope-no-go 6 */
#define TGA_REG_GSNR7 0x047 /* Slope-no-go 7 */
#define TGA_REG_GSLR0 0x048 /* Slope 0 */
#define TGA_REG_GSLR1 0x049 /* Slope 1 */
#define TGA_REG_GSLR2 0x04a /* Slope 2 */
#define TGA_REG_GSLR3 0x04b /* Slope 3 */
#define TGA_REG_GSLR4 0x04c /* Slope 4 */
#define TGA_REG_GSLR5 0x04d /* Slope 5 */
#define TGA_REG_GSLR6 0x04e /* Slope 6 */
#define TGA_REG_GSLR7 0x04f /* Slope 7 */
#define TGA_REG_GBCR0 0x050 /* Block Color 0 */
#define TGA_REG_GBCR1 0x051 /* Block Color 1 */
#define TGA_REG_GBCR2 0x052 /* Block Color 2 */
#define TGA_REG_GBCR3 0x053 /* Block Color 3 */
#define TGA_REG_GBCR4 0x054 /* Block Color 4 */
#define TGA_REG_GBCR5 0x055 /* Block Color 5 */
#define TGA_REG_GBCR6 0x056 /* Block Color 6 */
#define TGA_REG_GBCR7 0x057 /* Block Color 7 */
#define TGA_REG_GCSR 0x058 /* Copy 64 Source */
#define TGA_REG_GCDR 0x059 /* Copy 64 Destination */
/* GC[SD]R aliases 0x05a - 0x05f */
/* reserved 0x060 - 0x077 */
#define TGA_REG_ERWR 0x078 /* EEPROM write */
/* reserved 0x079 */
#define TGA_REG_ECGR 0x07a /* Clock */
/* reserved 0x07b */
#define TGA_REG_EPDR 0x07c /* Pallete and DAC Data */
/* reserved 0x07d */
#define TGA_REG_SCSR 0x07e /* Command Status */
/* reserved 0x07f */
/*
* Deep register
*/
#define GDER_HSS 0x00010000 /* Horizontal sync select */
#define GDER_SDAC 0x00004000 /* Slow DAC */
#define GDER_RWE 0x00001000 /* ROM write enable */
#define GDER_SAMS 0x00000400 /* Serial-access memory size */
#define GDER_CS 0x00000200 /* Column size */
#define GDER_BLOCK_MASK 0x000001e0 /* eight/four column segments */
#define GDER_BLOCK_SHIFT 5
#define GDER_ADDR_MASK 0x0000001c /* PCI address mask */
#define GDER_ADDR_SHIFT 2
#define GDER_ADDR_4MB 0x00000000 /* PCI mask <24:22> = 4MB */
#define GDER_ADDR_8MB 0x00000001 /* PCI mask <24:23> = 8MB */
#define GDER_ADDR_16MB 0x00000003 /* PCI mask bit 24 = 16MB */
#define GDER_ADDR_32MB 0x00000007 /* No PCI masking = 32MB */
#define GDER_DEEP 0x00000001 /* 32-bpp or 8 bpp frame buffer */
/*
* Graphics mode register
*/
#define GMOR_CE 0x00008000 /* Cap ends */
#define GMOR_Z16 0x00004000 /* 16 or 24 bit Z valuesx */
#define GMOR_GE 0x00002000 /* Win32 or X environment */
#define GMOR_SBY_MASK 0x00001800 /* Source byte mask for 32-bpp FB */
#define GMOR_SBY_0 0x00000000 /* Source byte 0 */
#define GMOR_SBY_1 0x00000800 /* Source byte 1 */
#define GMOR_SBY_2 0x00001000 /* Source byte 2 */
#define GMOR_SBY_3 0x00001800 /* Source byte 3 */
#define GMOR_SBM_MASK 0x00000700 /* Source bitmap format (32-bpp FB) */
#define GMOR_SBM_8P 0x00000000 /* 8-bpp packed */
#define GMOR_SBM_8U 0x00000100 /* 8-bpp unpacked */
#define GMOR_SBM_12L 0x00000200 /* 12-bpp low */
#define GMOR_SBM_12H 0x00000600 /* 12-bpp high */
#define GMOR_SBM_24 0x00000300 /* 24-bpp */
#define GMOR_MODE_MASK 0x0000007f /* Graphics mode mask */
#define GMOR_MODE_SIMPLE 0x0000 /* Simple */
#define GMOR_MODE_SIMPLEZ 0x0010 /* Simple Z */
#define GMOR_MODE_OPQ_STPL 0x0001 /* Opaque Stipple */
#define GMOR_MODE_OPQ_FILL 0x0021 /* Opaque Fill */
#define GMOR_MODE_TRN_STPL 0x0005 /* Transparent Stipple */
#define GMOR_MODE_TRN_FILL 0x0025 /* Transparent Fill */
#define GMOR_MODE_BLK_STPL 0x000d /* Block Stipple */
#define GMOR_MODE_BLK_FILL 0x002d /* Block Fill */
#define GMOR_MODE_OPQ_LINE 0x0002 /* Opaque Line */
#define GMOR_MODE_TRN_LINE 0x0006 /* Transparent Line */
#define GMOR_MODE_CITNDL 0x000e /* Color-interpolated transparent */
/* non-dithered line */
#define GMOR_MODE_CITDL 0x002e /* Color-intrp. trans. dithered line */
#define GMOR_MODE_SITL 0x004e /* Sequential-intrp. transp line */
#define GMOR_MODE_ZOPQ_LINE 0x0012 /* Z buffered Opaque Line */
#define GMOR_MODE_ZTRN_LINE 0x0016 /* Z buffered Trans Line */
#define GMOR_MODE_ZOCITNDL 0x001a /* Z buffered Opaque CITND line */
#define GMOR_MODE_ZOCITDL 0x003a /* Z buffered Opaque CITD line */
#define GMOR_MODE_ZOSITL 0x005a /* Z buffered Opaque SIT line */
#define GMOR_MODE_ZTCITNDL 0x001e /* Z buffered transparent CITND line */
#define GMOR_MODE_ZTCITDL 0x003e /* Z buffered transparent CITD line */
#define GMOR_MODE_ZTSITL 0x005e /* Z buffered transparent SIT line */
#define GMOR_MODE_COPY 0x0007 /* Copy */
#define GMOR_MODE_DRDND 0x0017 /* DMA-read copy, non-dithered */
#define GMOR_MODE_DRDD 0x0037 /* DMA-read copy, dithered */
#define GMOR_MODE_DWCOPY 0x001f /* DMA-write copy */
/*
* Video Horizontal Control Register
*/
#define VHCR_ODD 0x80000000 /* Enable 4-pixel line skew */
#define VHCR_HSP 0x40000000 /* Horizontal sync polarity */
#define VHCR_BPORCH_MASK 0xfe00000 /* Back porch pixels / 4 */
#define VHCR_BPORCH_SHIFT 21
#define VHCR_HSYNC_MASK 0x001fc000 /* Hsync width / 4 */
#define VHCR_HSYNC_SHIFT 14
#define VHCR_FPORCH_MASK 0x3e00 /* Front porch pixels / 4 */
#define VHCR_FPORCH_SHIFT 9
#define VHCR_ACTIVE_MASK 0x01ff /* Active lines */
#define VHCR_REG2ACTIVE(reg) ((((reg) >> 19) & 0x0600) | ((reg) & 0x01ff))
#define VHCR_ACTIVE2REG(val) ((((val) & 0x0600) << 19) | ((val) & 0x01ff))
/*
* Video Vertical Control Register
*/
#define VVCR_SE 0x80000000 /* Stereo Enable */
#define VVCR_VSP 0x40000000 /* Vertical sync polarity */
#define VVCR_BPORCH_MASK 0xfc00000 /* Back porch in lines */
#define VVCR_BPORCH_SHIFT 22
#define VVCR_VSYNC_MASK 0x003f0000 /* Vsync width in lines */
#define VVCR_VSYNC_SHIFT 16
#define VVCR_FPORCH_MASK 0xf800 /* Front porch in lines */
#define VVCR_FPORCH_SHIFT 11
#define VVCR_ACTIVE_MASK 0x07ff /* Active lines */
/*
* Video Valid Register
*/
#define VVR_VIDEOVALID 0x00000001 /* 0 VGA, 1 TGA2 (TGA2 only) */
#define VVR_BLANK 0x00000002 /* 0 active, 1 blank */
#define VVR_CURSOR 0x00000004 /* 0 disable, 1 enable (TGA2 R/O) */
#define VVR_INTERLACE 0x00000008 /* 0 N/Int, 1 Int. (TGA2 R/O) */
#define VVR_DPMS_MASK 0x00000030 /* See "DMPS mask" below */
#define VVR_DPMS_SHIFT 4
#define VVR_DDC 0x00000040 /* DDC-in pin value (R/O) */
#define VVR_TILED 0x00000400 /* 0 linear, 1 tiled (not on TGA2) */
#define VVR_LDDLY_MASK 0x01ff0000 /* load delay in quad pixel clock ticks
(not on TGA2) */
#define VVR_LDDLY_SHIFT 16
/* TGA PCI register values */
#define DEC_VENDORID 0x1011
#define DEC_DEVICEID_TGA 0x0004
#define DEC_DEVICEID_TGA2 0x000D /* This is 0x000C in the documentation,
but probing yields 0x000D... */
#define TGA_TYPE_T8_01 0 /* 8bpp, 1MB */
#define TGA_TYPE_T8_02 1 /* 8bpp, 2MB */
#define TGA_TYPE_T8_22 2 /* 8bpp, 4MB */
#define TGA_TYPE_T8_44 3 /* 8bpp, 8MB */
#define TGA_TYPE_T32_04 4 /* 32bpp, 4MB */
#define TGA_TYPE_T32_08 5 /* 32bpp, 8MB */
#define TGA_TYPE_T32_88 6 /* 32bpp, 16MB */
#define TGA2_TYPE_3D30 7 /* 8bpp, 8MB */
#define TGA2_TYPE_4D20 8 /* 32bpp, 16MB */
#define TGA_TYPE_UNKNOWN 9 /* unknown */
/* Possible video modes for TGA2... */
#define TGA2_VGA_MODE 0
#define TGA2_2DA_MODE 1
/* TGA register access macros */
#define TGA_REG_SPACE_OFFSET 0x100000
#define BASIC_READ_TGA_REGISTER(adp, reg) \
*(u_int32_t *)((adp)->va_mem_base + \
(vm_offset_t)TGA_REG_SPACE_OFFSET + \
(((vm_offset_t)(reg) << 2L)))
#endif /* _PCI_TGA_H_ */
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