matroxfb_ti3026.c

linux-2.4.29操作系统的源码

/*
 *
 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
 *
 * (c) 1998-2002 Petr Vandrovec <[e-mail]>
 *
 * Portions Copyright (c) 2001 Matrox Graphics Inc.
 *
 * Version: 1.64 2002/06/10
 *
 * MTRR stuff: 1998 Tom Rini <[e-mail]>
 *
 * Contributors: "menion?" <[e-mail]>
 *                     Betatesting, fixes, ideas
 *
 *               "Kurt Garloff" <[e-mail]>
 *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
 *
 *               "Tom Rini" <[e-mail]>
 *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
 *
 *               "Bibek Sahu" <[e-mail]>
 *                     Access device through readb|w|l and write b|w|l
 *                     Extensive debugging stuff
 *
 *               "Daniel Haun" <[e-mail]>
 *                     Testing, hardware cursor fixes
 *
 *               "Scott Wood" <[e-mail]>
 *                     Fixes
 *
 *               "Gerd Knorr" <[e-mail]>
 *                     Betatesting
 *
 *               "Kelly French" <[e-mail]>
 *               "Fernando Herrera" <[e-mail]>
 *                     Betatesting, bug reporting
 *
 *               "Pablo Bianucci" <[e-mail]>
 *                     Fixes, ideas, betatesting
 *
 *               "Inaky Perez Gonzalez" <[e-mail]>
 *                     Fixes, enhandcements, ideas, betatesting
 *
 *               "Ryuichi Oikawa" <[e-mail]>
 *                     PPC betatesting, PPC support, backward compatibility
 *
 *               "Paul Womar" <[e-mail]>
 *               "Owen Waller" <[e-mail]>
 *                     PPC betatesting
 *
 *               "Thomas Pornin" <[e-mail]>
 *                     Alpha betatesting
 *
 *               "Pieter van Leuven" <[e-mail]>
 *               "Ulf Jaenicke-Roessler" <[e-mail]>
 *                     G100 testing
 *
 *               "H. Peter Arvin" <[e-mail]>
 *                     Ideas
 *
 *               "Cort Dougan" <[e-mail]>
 *                     CHRP fixes and PReP cleanup
 *
 *               "Mark Vojkovich" <[e-mail]>
 *                     G400 support
 *
 * (following author is not in any relation with this code, but his code
 *  is included in this driver)
 *
 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
 *     (c) 1998 Gerd Knorr <[e-mail]>
 *
 * (following author is not in any relation with this code, but his ideas
 *  were used when writting this driver)
 *
 *		 FreeVBE/AF (Matrox), "Shawn Hargreaves" <[e-mail]>
 *
 */

/* make checkconfig does not verify included files... */
#include <linux/config.h>

#include "matroxfb_Ti3026.h"
#include "matroxfb_misc.h"
#include "matroxfb_accel.h"
#include <linux/matroxfb.h>

#ifdef CONFIG_FB_MATROX_MILLENIUM
#define outTi3026 matroxfb_DAC_out
#define inTi3026 matroxfb_DAC_in

#define TVP3026_INDEX		0x00
#define TVP3026_PALWRADD	0x00
#define TVP3026_PALDATA		0x01
#define TVP3026_PIXRDMSK	0x02
#define TVP3026_PALRDADD	0x03
#define TVP3026_CURCOLWRADD	0x04
#define     TVP3026_CLOVERSCAN		0x00
#define     TVP3026_CLCOLOR0		0x01
#define     TVP3026_CLCOLOR1		0x02
#define     TVP3026_CLCOLOR2		0x03
#define TVP3026_CURCOLDATA	0x05
#define TVP3026_CURCOLRDADD	0x07
#define TVP3026_CURCTRL		0x09
#define TVP3026_X_DATAREG	0x0A
#define TVP3026_CURRAMDATA	0x0B
#define TVP3026_CURPOSXL	0x0C
#define TVP3026_CURPOSXH	0x0D
#define TVP3026_CURPOSYL	0x0E
#define TVP3026_CURPOSYH	0x0F

#define TVP3026_XSILICONREV	0x01
#define TVP3026_XCURCTRL	0x06
#define     TVP3026_XCURCTRL_DIS	0x00	/* transparent, transparent, transparent, transparent */
#define     TVP3026_XCURCTRL_3COLOR	0x01	/* transparent, 0, 1, 2 */
#define     TVP3026_XCURCTRL_XGA	0x02	/* 0, 1, transparent, complement */
#define     TVP3026_XCURCTRL_XWIN	0x03	/* transparent, transparent, 0, 1 */
#define     TVP3026_XCURCTRL_BLANK2048	0x00
#define     TVP3026_XCURCTRL_BLANK4096	0x10
#define     TVP3026_XCURCTRL_INTERLACED	0x20
#define     TVP3026_XCURCTRL_ODD	0x00 /* ext.signal ODD/\EVEN */
#define     TVP3026_XCURCTRL_EVEN	0x40 /* ext.signal EVEN/\ODD */
#define     TVP3026_XCURCTRL_INDIRECT	0x00
#define     TVP3026_XCURCTRL_DIRECT	0x80
#define TVP3026_XLATCHCTRL	0x0F
#define     TVP3026_XLATCHCTRL_1_1	0x06
#define     TVP3026_XLATCHCTRL_2_1	0x07
#define     TVP3026_XLATCHCTRL_4_1	0x06
#define     TVP3026_XLATCHCTRL_8_1	0x06
#define     TVP3026_XLATCHCTRL_16_1	0x06
#define     TVP3026A_XLATCHCTRL_4_3	0x06	/* ??? do not understand... but it works... !!! */
#define     TVP3026A_XLATCHCTRL_8_3	0x07
#define     TVP3026B_XLATCHCTRL_4_3	0x08
#define     TVP3026B_XLATCHCTRL_8_3	0x06	/* ??? do not understand... but it works... !!! */
#define TVP3026_XTRUECOLORCTRL	0x18
#define     TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_ACCEL	0x00
#define     TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_TVP	0x20
#define     TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR		0x80
#define     TVP3026_XTRUECOLORCTRL_TRUECOLOR		0x40 /* paletized */
#define     TVP3026_XTRUECOLORCTRL_DIRECTCOLOR		0x00
#define     TVP3026_XTRUECOLORCTRL_24_ALTERNATE		0x08 /* 5:4/5:2 instead of 4:3/8:3 */
#define     TVP3026_XTRUECOLORCTRL_RGB_888		0x16 /* 4:3/8:3 (or 5:4/5:2) */
#define	    TVP3026_XTRUECOLORCTRL_BGR_888		0x17
#define     TVP3026_XTRUECOLORCTRL_ORGB_8888		0x06
#define     TVP3026_XTRUECOLORCTRL_BGRO_8888		0x07
#define     TVP3026_XTRUECOLORCTRL_RGB_565		0x05
#define     TVP3026_XTRUECOLORCTRL_ORGB_1555		0x04
#define     TVP3026_XTRUECOLORCTRL_RGB_664		0x03
#define     TVP3026_XTRUECOLORCTRL_RGBO_4444		0x01
#define TVP3026_XMUXCTRL	0x19
#define     TVP3026_XMUXCTRL_MEMORY_8BIT			0x01 /* - */
#define     TVP3026_XMUXCTRL_MEMORY_16BIT			0x02 /* - */
#define     TVP3026_XMUXCTRL_MEMORY_32BIT			0x03 /* 2MB RAM, 512K * 4 */
#define     TVP3026_XMUXCTRL_MEMORY_64BIT			0x04 /* >2MB RAM, 512K * 8 & more */
#define     TVP3026_XMUXCTRL_PIXEL_4BIT				0x40 /* L0,H0,L1,H1... */
#define     TVP3026_XMUXCTRL_PIXEL_4BIT_SWAPPED			0x60 /* H0,L0,H1,L1... */
#define     TVP3026_XMUXCTRL_PIXEL_8BIT				0x48
#define     TVP3026_XMUXCTRL_PIXEL_16BIT			0x50
#define     TVP3026_XMUXCTRL_PIXEL_32BIT			0x58
#define     TVP3026_XMUXCTRL_VGA				0x98 /* VGA MEMORY, 8BIT PIXEL */
#define TVP3026_XCLKCTRL	0x1A
#define     TVP3026_XCLKCTRL_DIV1	0x00
#define     TVP3026_XCLKCTRL_DIV2	0x10
#define     TVP3026_XCLKCTRL_DIV4	0x20
#define     TVP3026_XCLKCTRL_DIV8	0x30
#define     TVP3026_XCLKCTRL_DIV16	0x40
#define     TVP3026_XCLKCTRL_DIV32	0x50
#define     TVP3026_XCLKCTRL_DIV64	0x60
#define     TVP3026_XCLKCTRL_CLKSTOPPED	0x70
#define     TVP3026_XCLKCTRL_SRC_CLK0	0x00
#define     TVP3026_XCLKCTRL_SRC_CLK1   0x01
#define     TVP3026_XCLKCTRL_SRC_CLK2	0x02	/* CLK2 is TTL source*/
#define     TVP3026_XCLKCTRL_SRC_NCLK2	0x03	/* not CLK2 is TTL source */
#define     TVP3026_XCLKCTRL_SRC_ECLK2	0x04	/* CLK2 and not CLK2 is ECL source */
#define     TVP3026_XCLKCTRL_SRC_PLL	0x05
#define     TVP3026_XCLKCTRL_SRC_DIS	0x06	/* disable & poweroff internal clock */
#define     TVP3026_XCLKCTRL_SRC_CLK0VGA 0x07
#define TVP3026_XPALETTEPAGE	0x1C
#define TVP3026_XGENCTRL	0x1D
#define     TVP3026_XGENCTRL_HSYNC_POS	0x00
#define     TVP3026_XGENCTRL_HSYNC_NEG	0x01
#define     TVP3026_XGENCTRL_VSYNC_POS	0x00
#define     TVP3026_XGENCTRL_VSYNC_NEG	0x02
#define     TVP3026_XGENCTRL_LITTLE_ENDIAN 0x00
#define     TVP3026_XGENCTRL_BIG_ENDIAN    0x08
#define     TVP3026_XGENCTRL_BLACK_0IRE		0x00
#define     TVP3026_XGENCTRL_BLACK_75IRE	0x10
#define     TVP3026_XGENCTRL_NO_SYNC_ON_GREEN	0x00
#define     TVP3026_XGENCTRL_SYNC_ON_GREEN	0x20
#define     TVP3026_XGENCTRL_OVERSCAN_DIS	0x00
#define     TVP3026_XGENCTRL_OVERSCAN_EN	0x40
#define TVP3026_XMISCCTRL	0x1E
#define     TVP3026_XMISCCTRL_DAC_PUP	0x00
#define     TVP3026_XMISCCTRL_DAC_PDOWN	0x01
#define     TVP3026_XMISCCTRL_DAC_EXT	0x00 /* or 8, bit 3 is ignored */
#define     TVP3026_XMISCCTRL_DAC_6BIT	0x04
#define     TVP3026_XMISCCTRL_DAC_8BIT	0x0C
#define     TVP3026_XMISCCTRL_PSEL_DIS	0x00
#define     TVP3026_XMISCCTRL_PSEL_EN	0x10
#define     TVP3026_XMISCCTRL_PSEL_LOW	0x00 /* PSEL high selects directcolor */
#define     TVP3026_XMISCCTRL_PSEL_HIGH 0x20 /* PSEL high selects truecolor or pseudocolor */
#define TVP3026_XGENIOCTRL	0x2A
#define TVP3026_XGENIODATA	0x2B
#define TVP3026_XPLLADDR	0x2C
#define     TVP3026_XPLLADDR_X(LOOP,MCLK,PIX) (((LOOP)<<4) | ((MCLK)<<2) | (PIX))
#define     TVP3026_XPLLDATA_N		0x00
#define     TVP3026_XPLLDATA_M		0x01
#define     TVP3026_XPLLDATA_P		0x02
#define     TVP3026_XPLLDATA_STAT	0x03
#define TVP3026_XPIXPLLDATA	0x2D
#define TVP3026_XMEMPLLDATA	0x2E
#define TVP3026_XLOOPPLLDATA	0x2F
#define TVP3026_XCOLKEYOVRMIN	0x30
#define TVP3026_XCOLKEYOVRMAX	0x31
#define TVP3026_XCOLKEYREDMIN	0x32
#define TVP3026_XCOLKEYREDMAX	0x33
#define TVP3026_XCOLKEYGREENMIN	0x34
#define TVP3026_XCOLKEYGREENMAX	0x35
#define TVP3026_XCOLKEYBLUEMIN	0x36
#define TVP3026_XCOLKEYBLUEMAX	0x37
#define TVP3026_XCOLKEYCTRL	0x38
#define     TVP3026_XCOLKEYCTRL_OVR_EN	0x01
#define     TVP3026_XCOLKEYCTRL_RED_EN	0x02
#define     TVP3026_XCOLKEYCTRL_GREEN_EN 0x04
#define     TVP3026_XCOLKEYCTRL_BLUE_EN	0x08
#define     TVP3026_XCOLKEYCTRL_NEGATE	0x10
#define     TVP3026_XCOLKEYCTRL_ZOOM1	0x00
#define     TVP3026_XCOLKEYCTRL_ZOOM2	0x20
#define     TVP3026_XCOLKEYCTRL_ZOOM4	0x40
#define     TVP3026_XCOLKEYCTRL_ZOOM8	0x60
#define     TVP3026_XCOLKEYCTRL_ZOOM16	0x80
#define     TVP3026_XCOLKEYCTRL_ZOOM32	0xA0
#define TVP3026_XMEMPLLCTRL	0x39
#define     TVP3026_XMEMPLLCTRL_DIV(X)	(((X)-1)>>1)	/* 2,4,6,8,10,12,14,16, division applied to LOOP PLL after divide by 2^P */
#define     TVP3026_XMEMPLLCTRL_STROBEMKC4	0x08
#define     TVP3026_XMEMPLLCTRL_MCLK_DOTCLOCK	0x00	/* MKC4 */
#define     TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL	0x10	/* MKC4 */
#define     TVP3026_XMEMPLLCTRL_RCLK_PIXPLL	0x00
#define     TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL	0x20
#define     TVP3026_XMEMPLLCTRL_RCLK_DOTDIVN	0x40	/* dot clock divided by loop pclk N prescaler */
#define TVP3026_XSENSETEST	0x3A
#define TVP3026_XTESTMODEDATA	0x3B
#define TVP3026_XCRCREML	0x3C
#define TVP3026_XCRCREMH	0x3D
#define TVP3026_XCRCBITSEL	0x3E
#define TVP3026_XID		0x3F

static const unsigned char DACseq[] =
{ TVP3026_XLATCHCTRL, TVP3026_XTRUECOLORCTRL,
  TVP3026_XMUXCTRL, TVP3026_XCLKCTRL,
  TVP3026_XPALETTEPAGE,
  TVP3026_XGENCTRL,
  TVP3026_XMISCCTRL,
  TVP3026_XGENIOCTRL,
  TVP3026_XGENIODATA,
  TVP3026_XCOLKEYOVRMIN, TVP3026_XCOLKEYOVRMAX, TVP3026_XCOLKEYREDMIN, TVP3026_XCOLKEYREDMAX,
  TVP3026_XCOLKEYGREENMIN, TVP3026_XCOLKEYGREENMAX, TVP3026_XCOLKEYBLUEMIN, TVP3026_XCOLKEYBLUEMAX,
  TVP3026_XCOLKEYCTRL,
  TVP3026_XMEMPLLCTRL, TVP3026_XSENSETEST, TVP3026_XCURCTRL };

#define POS3026_XLATCHCTRL	0
#define POS3026_XTRUECOLORCTRL	1
#define POS3026_XMUXCTRL	2
#define POS3026_XCLKCTRL	3
#define POS3026_XGENCTRL	5
#define POS3026_XMISCCTRL	6
#define POS3026_XMEMPLLCTRL	18
#define POS3026_XCURCTRL	20

static const unsigned char MGADACbpp32[] =
{ TVP3026_XLATCHCTRL_2_1, TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_8888,
  0x00, TVP3026_XCLKCTRL_DIV1 | TVP3026_XCLKCTRL_SRC_PLL,
  0x00,
  TVP3026_XGENCTRL_HSYNC_POS | TVP3026_XGENCTRL_VSYNC_POS | TVP3026_XGENCTRL_LITTLE_ENDIAN | TVP3026_XGENCTRL_BLACK_0IRE | TVP3026_XGENCTRL_NO_SYNC_ON_GREEN | TVP3026_XGENCTRL_OVERSCAN_DIS,
  TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_HIGH,
  0x00,
  0x1E,
  0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0xFF, 0xFF,
  TVP3026_XCOLKEYCTRL_ZOOM1,
  0x00, 0x00, TVP3026_XCURCTRL_DIS };

static void matroxfb_ti3026_flashcursor(unsigned long ptr) {
	unsigned long flags;

#define minfo ((struct matrox_fb_info*)ptr)
	matroxfb_DAC_lock_irqsave(flags);
	outTi3026(PMINFO TVP3026_XCURCTRL, inTi3026(PMINFO TVP3026_XCURCTRL) ^ TVP3026_XCURCTRL_DIS ^ TVP3026_XCURCTRL_XGA);
	ACCESS_FBINFO(cursor.timer.expires) = jiffies + HZ/2;
	add_timer(&ACCESS_FBINFO(cursor.timer));
	matroxfb_DAC_unlock_irqrestore(flags);
#undef minfo
}

static void matroxfb_ti3026_createcursor(WPMINFO struct display* p) {