/drivers/video/matrox/matroxfb_base.c
C | 1770 lines | 1435 code | 166 blank | 169 comment | 257 complexity | 6460579b07d248432be4563edb335744 MD5 | raw file
- /*
- *
- * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
- *
- * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
- *
- * Portions Copyright (c) 2001 Matrox Graphics Inc.
- *
- * Version: 1.65 2002/08/14
- *
- * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
- *
- * Contributors: "menion?" <menion@mindless.com>
- * Betatesting, fixes, ideas
- *
- * "Kurt Garloff" <garloff@suse.de>
- * Betatesting, fixes, ideas, videomodes, videomodes timmings
- *
- * "Tom Rini" <trini@kernel.crashing.org>
- * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
- *
- * "Bibek Sahu" <scorpio@dodds.net>
- * Access device through readb|w|l and write b|w|l
- * Extensive debugging stuff
- *
- * "Daniel Haun" <haund@usa.net>
- * Testing, hardware cursor fixes
- *
- * "Scott Wood" <sawst46+@pitt.edu>
- * Fixes
- *
- * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
- * Betatesting
- *
- * "Kelly French" <targon@hazmat.com>
- * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
- * Betatesting, bug reporting
- *
- * "Pablo Bianucci" <pbian@pccp.com.ar>
- * Fixes, ideas, betatesting
- *
- * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
- * Fixes, enhandcements, ideas, betatesting
- *
- * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
- * PPC betatesting, PPC support, backward compatibility
- *
- * "Paul Womar" <Paul@pwomar.demon.co.uk>
- * "Owen Waller" <O.Waller@ee.qub.ac.uk>
- * PPC betatesting
- *
- * "Thomas Pornin" <pornin@bolet.ens.fr>
- * Alpha betatesting
- *
- * "Pieter van Leuven" <pvl@iae.nl>
- * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
- * G100 testing
- *
- * "H. Peter Arvin" <hpa@transmeta.com>
- * Ideas
- *
- * "Cort Dougan" <cort@cs.nmt.edu>
- * CHRP fixes and PReP cleanup
- *
- * "Mark Vojkovich" <mvojkovi@ucsd.edu>
- * G400 support
- *
- * "Samuel Hocevar" <sam@via.ecp.fr>
- * Fixes
- *
- * "Anton Altaparmakov" <AntonA@bigfoot.com>
- * G400 MAX/non-MAX distinction
- *
- * "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
- * memtype extension (needed for GXT130P RS/6000 adapter)
- *
- * "Uns Lider" <unslider@miranda.org>
- * G100 PLNWT fixes
- *
- * "Denis Zaitsev" <zzz@cd-club.ru>
- * Fixes
- *
- * "Mike Pieper" <mike@pieper-family.de>
- * TVOut enhandcements, V4L2 control interface.
- *
- * "Diego Biurrun" <diego@biurrun.de>
- * DFP testing
- *
- * (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 <kraxel@cs.tu-berlin.de>
- *
- * (following author is not in any relation with this code, but his ideas
- * were used when writing this driver)
- *
- * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
- *
- */
- #include <linux/version.h>
- #include "matroxfb_base.h"
- #include "matroxfb_misc.h"
- #include "matroxfb_accel.h"
- #include "matroxfb_DAC1064.h"
- #include "matroxfb_Ti3026.h"
- #include "matroxfb_maven.h"
- #include "matroxfb_crtc2.h"
- #include "matroxfb_g450.h"
- #include <linux/matroxfb.h>
- #include <linux/interrupt.h>
- #include <linux/slab.h>
- #include <linux/uaccess.h>
- #ifdef CONFIG_PPC_PMAC
- #include <asm/machdep.h>
- unsigned char nvram_read_byte(int);
- static int default_vmode = VMODE_NVRAM;
- static int default_cmode = CMODE_NVRAM;
- #endif
- static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
- /* --------------------------------------------------------------------- */
- /*
- * card parameters
- */
- /* --------------------------------------------------------------------- */
- static struct fb_var_screeninfo vesafb_defined = {
- 640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
- 0,0, /* virtual -> visible no offset */
- 8, /* depth -> load bits_per_pixel */
- 0, /* greyscale ? */
- {0,0,0}, /* R */
- {0,0,0}, /* G */
- {0,0,0}, /* B */
- {0,0,0}, /* transparency */
- 0, /* standard pixel format */
- FB_ACTIVATE_NOW,
- -1,-1,
- FB_ACCELF_TEXT, /* accel flags */
- 39721L,48L,16L,33L,10L,
- 96L,2L,~0, /* No sync info */
- FB_VMODE_NONINTERLACED,
- 0, {0,0,0,0,0}
- };
- /* --------------------------------------------------------------------- */
- static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
- {
- struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
- /* Make sure that displays are compatible */
- if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
- && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
- && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
- ) {
- switch (minfo->fbcon.var.bits_per_pixel) {
- case 16:
- case 32:
- pos = pos * 8;
- if (info->interlaced) {
- mga_outl(0x3C2C, pos);
- mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
- } else {
- mga_outl(0x3C28, pos);
- }
- break;
- }
- }
- }
- static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
- {
- if (minfo->crtc1.panpos >= 0) {
- unsigned long flags;
- int panpos;
- matroxfb_DAC_lock_irqsave(flags);
- panpos = minfo->crtc1.panpos;
- if (panpos >= 0) {
- unsigned int extvga_reg;
- minfo->crtc1.panpos = -1; /* No update pending anymore */
- extvga_reg = mga_inb(M_EXTVGA_INDEX);
- mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
- if (extvga_reg != 0x00) {
- mga_outb(M_EXTVGA_INDEX, extvga_reg);
- }
- }
- matroxfb_DAC_unlock_irqrestore(flags);
- }
- }
- static irqreturn_t matrox_irq(int irq, void *dev_id)
- {
- u_int32_t status;
- int handled = 0;
- struct matrox_fb_info *minfo = dev_id;
- status = mga_inl(M_STATUS);
- if (status & 0x20) {
- mga_outl(M_ICLEAR, 0x20);
- minfo->crtc1.vsync.cnt++;
- matroxfb_crtc1_panpos(minfo);
- wake_up_interruptible(&minfo->crtc1.vsync.wait);
- handled = 1;
- }
- if (status & 0x200) {
- mga_outl(M_ICLEAR, 0x200);
- minfo->crtc2.vsync.cnt++;
- wake_up_interruptible(&minfo->crtc2.vsync.wait);
- handled = 1;
- }
- return IRQ_RETVAL(handled);
- }
- int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
- {
- u_int32_t bm;
- if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
- bm = 0x220;
- else
- bm = 0x020;
- if (!test_and_set_bit(0, &minfo->irq_flags)) {
- if (request_irq(minfo->pcidev->irq, matrox_irq,
- IRQF_SHARED, "matroxfb", minfo)) {
- clear_bit(0, &minfo->irq_flags);
- return -EINVAL;
- }
- /* Clear any pending field interrupts */
- mga_outl(M_ICLEAR, bm);
- mga_outl(M_IEN, mga_inl(M_IEN) | bm);
- } else if (reenable) {
- u_int32_t ien;
- ien = mga_inl(M_IEN);
- if ((ien & bm) != bm) {
- printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
- mga_outl(M_IEN, ien | bm);
- }
- }
- return 0;
- }
- static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
- {
- if (test_and_clear_bit(0, &minfo->irq_flags)) {
- /* Flush pending pan-at-vbl request... */
- matroxfb_crtc1_panpos(minfo);
- if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
- mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
- else
- mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
- free_irq(minfo->pcidev->irq, minfo);
- }
- }
- int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
- {
- struct matrox_vsync *vs;
- unsigned int cnt;
- int ret;
- switch (crtc) {
- case 0:
- vs = &minfo->crtc1.vsync;
- break;
- case 1:
- if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
- return -ENODEV;
- }
- vs = &minfo->crtc2.vsync;
- break;
- default:
- return -ENODEV;
- }
- ret = matroxfb_enable_irq(minfo, 0);
- if (ret) {
- return ret;
- }
- cnt = vs->cnt;
- ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
- if (ret < 0) {
- return ret;
- }
- if (ret == 0) {
- matroxfb_enable_irq(minfo, 1);
- return -ETIMEDOUT;
- }
- return 0;
- }
- /* --------------------------------------------------------------------- */
- static void matrox_pan_var(struct matrox_fb_info *minfo,
- struct fb_var_screeninfo *var)
- {
- unsigned int pos;
- unsigned short p0, p1, p2;
- unsigned int p3;
- int vbl;
- unsigned long flags;
- CRITFLAGS
- DBG(__func__)
- if (minfo->dead)
- return;
- minfo->fbcon.var.xoffset = var->xoffset;
- minfo->fbcon.var.yoffset = var->yoffset;
- pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
- pos += minfo->curr.ydstorg.chunks;
- p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
- p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
- p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
- p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
- /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
- vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
- CRITBEGIN
- matroxfb_DAC_lock_irqsave(flags);
- mga_setr(M_CRTC_INDEX, 0x0D, p0);
- mga_setr(M_CRTC_INDEX, 0x0C, p1);
- if (minfo->devflags.support32MB)
- mga_setr(M_EXTVGA_INDEX, 0x08, p3);
- if (vbl) {
- minfo->crtc1.panpos = p2;
- } else {
- /* Abort any pending change */
- minfo->crtc1.panpos = -1;
- mga_setr(M_EXTVGA_INDEX, 0x00, p2);
- }
- matroxfb_DAC_unlock_irqrestore(flags);
- update_crtc2(minfo, pos);
- CRITEND
- }
- static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
- {
- /* Currently we are holding big kernel lock on all dead & usecount updates.
- * Destroy everything after all users release it. Especially do not unregister
- * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
- * for device unplugged when in use.
- * In future we should point mmio.vbase & video.vbase somewhere where we can
- * write data without causing too much damage...
- */
- minfo->dead = 1;
- if (minfo->usecount) {
- /* destroy it later */
- return;
- }
- matroxfb_unregister_device(minfo);
- unregister_framebuffer(&minfo->fbcon);
- matroxfb_g450_shutdown(minfo);
- #ifdef CONFIG_MTRR
- if (minfo->mtrr.vram_valid)
- mtrr_del(minfo->mtrr.vram, minfo->video.base, minfo->video.len);
- #endif
- mga_iounmap(minfo->mmio.vbase);
- mga_iounmap(minfo->video.vbase);
- release_mem_region(minfo->video.base, minfo->video.len_maximum);
- release_mem_region(minfo->mmio.base, 16384);
- kfree(minfo);
- }
- /*
- * Open/Release the frame buffer device
- */
- static int matroxfb_open(struct fb_info *info, int user)
- {
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG_LOOP(__func__)
- if (minfo->dead) {
- return -ENXIO;
- }
- minfo->usecount++;
- if (user) {
- minfo->userusecount++;
- }
- return(0);
- }
- static int matroxfb_release(struct fb_info *info, int user)
- {
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG_LOOP(__func__)
- if (user) {
- if (0 == --minfo->userusecount) {
- matroxfb_disable_irq(minfo);
- }
- }
- if (!(--minfo->usecount) && minfo->dead) {
- matroxfb_remove(minfo, 0);
- }
- return(0);
- }
- static int matroxfb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info* info) {
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG(__func__)
- matrox_pan_var(minfo, var);
- return 0;
- }
- static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
- int bpp)
- {
- int bppshft2;
- DBG(__func__)
- bppshft2 = bpp;
- if (!bppshft2) {
- return 8;
- }
- if (isInterleave(minfo))
- bppshft2 >>= 1;
- if (minfo->devflags.video64bits)
- bppshft2 >>= 1;
- return bppshft2;
- }
- static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
- int xres, int bpp)
- {
- int over;
- int rounding;
- DBG(__func__)
- switch (bpp) {
- case 0: return xres;
- case 4: rounding = 128;
- break;
- case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */
- break;
- case 16: rounding = 32;
- break;
- case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */
- break;
- default: rounding = 16;
- /* on G400, 16 really does not work */
- if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
- rounding = 32;
- break;
- }
- if (isInterleave(minfo)) {
- rounding *= 2;
- }
- over = xres % rounding;
- if (over)
- xres += rounding-over;
- return xres;
- }
- static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
- int bpp)
- {
- const int* width;
- int xres_new;
- DBG(__func__)
- if (!bpp) return xres;
- width = minfo->capable.vxres;
- if (minfo->devflags.precise_width) {
- while (*width) {
- if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
- break;
- }
- width++;
- }
- xres_new = *width;
- } else {
- xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
- }
- return xres_new;
- }
- static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
- DBG(__func__)
- switch (var->bits_per_pixel) {
- case 4:
- return 16; /* pseudocolor... 16 entries HW palette */
- case 8:
- return 256; /* pseudocolor... 256 entries HW palette */
- case 16:
- return 16; /* directcolor... 16 entries SW palette */
- /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
- case 24:
- return 16; /* directcolor... 16 entries SW palette */
- /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
- case 32:
- return 16; /* directcolor... 16 entries SW palette */
- /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
- }
- return 16; /* return something reasonable... or panic()? */
- }
- static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
- struct fb_var_screeninfo *var, int *visual,
- int *video_cmap_len, unsigned int* ydstorg)
- {
- struct RGBT {
- unsigned char bpp;
- struct {
- unsigned char offset,
- length;
- } red,
- green,
- blue,
- transp;
- signed char visual;
- };
- static const struct RGBT table[]= {
- { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
- {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
- {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
- {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
- {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
- };
- struct RGBT const *rgbt;
- unsigned int bpp = var->bits_per_pixel;
- unsigned int vramlen;
- unsigned int memlen;
- DBG(__func__)
- switch (bpp) {
- case 4: if (!minfo->capable.cfb4) return -EINVAL;
- break;
- case 8: break;
- case 16: break;
- case 24: break;
- case 32: break;
- default: return -EINVAL;
- }
- *ydstorg = 0;
- vramlen = minfo->video.len_usable;
- if (var->yres_virtual < var->yres)
- var->yres_virtual = var->yres;
- if (var->xres_virtual < var->xres)
- var->xres_virtual = var->xres;
- var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
- memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
- if (memlen > vramlen) {
- var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
- memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
- }
- /* There is hardware bug that no line can cross 4MB boundary */
- /* give up for CFB24, it is impossible to easy workaround it */
- /* for other try to do something */
- if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
- if (bpp == 24) {
- /* sorry */
- } else {
- unsigned int linelen;
- unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
- unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */
- unsigned int max_yres;
- while (m1) {
- int t;
- while (m2 >= m1) m2 -= m1;
- t = m1;
- m1 = m2;
- m2 = t;
- }
- m2 = linelen * PAGE_SIZE / m2;
- *ydstorg = m2 = 0x400000 % m2;
- max_yres = (vramlen - m2) / linelen;
- if (var->yres_virtual > max_yres)
- var->yres_virtual = max_yres;
- }
- }
- /* YDSTLEN contains only signed 16bit value */
- if (var->yres_virtual > 32767)
- var->yres_virtual = 32767;
- /* we must round yres/xres down, we already rounded y/xres_virtual up
- if it was possible. We should return -EINVAL, but I disagree */
- if (var->yres_virtual < var->yres)
- var->yres = var->yres_virtual;
- if (var->xres_virtual < var->xres)
- var->xres = var->xres_virtual;
- if (var->xoffset + var->xres > var->xres_virtual)
- var->xoffset = var->xres_virtual - var->xres;
- if (var->yoffset + var->yres > var->yres_virtual)
- var->yoffset = var->yres_virtual - var->yres;
- if (bpp == 16 && var->green.length == 5) {
- bpp--; /* an artificial value - 15 */
- }
- for (rgbt = table; rgbt->bpp < bpp; rgbt++);
- #define SETCLR(clr)\
- var->clr.offset = rgbt->clr.offset;\
- var->clr.length = rgbt->clr.length
- SETCLR(red);
- SETCLR(green);
- SETCLR(blue);
- SETCLR(transp);
- #undef SETCLR
- *visual = rgbt->visual;
- if (bpp > 8)
- dprintk("matroxfb: truecolor: "
- "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
- var->transp.length, var->red.length, var->green.length, var->blue.length,
- var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
- *video_cmap_len = matroxfb_get_cmap_len(var);
- dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
- var->xres_virtual, var->yres_virtual);
- return 0;
- }
- static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp,
- struct fb_info *fb_info)
- {
- struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
- DBG(__func__)
- /*
- * Set a single color register. The values supplied are
- * already rounded down to the hardware's capabilities
- * (according to the entries in the `var' structure). Return
- * != 0 for invalid regno.
- */
- if (regno >= minfo->curr.cmap_len)
- return 1;
- if (minfo->fbcon.var.grayscale) {
- /* gray = 0.30*R + 0.59*G + 0.11*B */
- red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
- }
- red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
- green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
- blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
- transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
- switch (minfo->fbcon.var.bits_per_pixel) {
- case 4:
- case 8:
- mga_outb(M_DAC_REG, regno);
- mga_outb(M_DAC_VAL, red);
- mga_outb(M_DAC_VAL, green);
- mga_outb(M_DAC_VAL, blue);
- break;
- case 16:
- if (regno >= 16)
- break;
- {
- u_int16_t col =
- (red << minfo->fbcon.var.red.offset) |
- (green << minfo->fbcon.var.green.offset) |
- (blue << minfo->fbcon.var.blue.offset) |
- (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
- minfo->cmap[regno] = col | (col << 16);
- }
- break;
- case 24:
- case 32:
- if (regno >= 16)
- break;
- minfo->cmap[regno] =
- (red << minfo->fbcon.var.red.offset) |
- (green << minfo->fbcon.var.green.offset) |
- (blue << minfo->fbcon.var.blue.offset) |
- (transp << minfo->fbcon.var.transp.offset); /* 8:8:8:8 */
- break;
- }
- return 0;
- }
- static void matroxfb_init_fix(struct matrox_fb_info *minfo)
- {
- struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
- DBG(__func__)
- strcpy(fix->id,"MATROX");
- fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
- fix->ypanstep = 1;
- fix->ywrapstep = 0;
- fix->mmio_start = minfo->mmio.base;
- fix->mmio_len = minfo->mmio.len;
- fix->accel = minfo->devflags.accelerator;
- }
- static void matroxfb_update_fix(struct matrox_fb_info *minfo)
- {
- struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
- DBG(__func__)
- mutex_lock(&minfo->fbcon.mm_lock);
- fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
- fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
- mutex_unlock(&minfo->fbcon.mm_lock);
- }
- static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
- {
- int err;
- int visual;
- int cmap_len;
- unsigned int ydstorg;
- struct matrox_fb_info *minfo = info2minfo(info);
- if (minfo->dead) {
- return -ENXIO;
- }
- if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
- return err;
- return 0;
- }
- static int matroxfb_set_par(struct fb_info *info)
- {
- int err;
- int visual;
- int cmap_len;
- unsigned int ydstorg;
- struct fb_var_screeninfo *var;
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG(__func__)
- if (minfo->dead) {
- return -ENXIO;
- }
- var = &info->var;
- if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
- return err;
- minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
- matroxfb_update_fix(minfo);
- minfo->fbcon.fix.visual = visual;
- minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
- minfo->fbcon.fix.type_aux = 0;
- minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
- {
- unsigned int pos;
- minfo->curr.cmap_len = cmap_len;
- ydstorg += minfo->devflags.ydstorg;
- minfo->curr.ydstorg.bytes = ydstorg;
- minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
- if (var->bits_per_pixel == 4)
- minfo->curr.ydstorg.pixels = ydstorg;
- else
- minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
- minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
- { struct my_timming mt;
- struct matrox_hw_state* hw;
- int out;
- matroxfb_var2my(var, &mt);
- mt.crtc = MATROXFB_SRC_CRTC1;
- /* CRTC1 delays */
- switch (var->bits_per_pixel) {
- case 0: mt.delay = 31 + 0; break;
- case 16: mt.delay = 21 + 8; break;
- case 24: mt.delay = 17 + 8; break;
- case 32: mt.delay = 16 + 8; break;
- default: mt.delay = 31 + 8; break;
- }
- hw = &minfo->hw;
- down_read(&minfo->altout.lock);
- for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
- if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
- minfo->outputs[out].output->compute) {
- minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
- }
- }
- up_read(&minfo->altout.lock);
- minfo->crtc1.pixclock = mt.pixclock;
- minfo->crtc1.mnp = mt.mnp;
- minfo->hw_switch->init(minfo, &mt);
- pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
- pos += minfo->curr.ydstorg.chunks;
- hw->CRTC[0x0D] = pos & 0xFF;
- hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
- hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
- hw->CRTCEXT[8] = pos >> 21;
- minfo->hw_switch->restore(minfo);
- update_crtc2(minfo, pos);
- down_read(&minfo->altout.lock);
- for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
- if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
- minfo->outputs[out].output->program) {
- minfo->outputs[out].output->program(minfo->outputs[out].data);
- }
- }
- for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
- if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
- minfo->outputs[out].output->start) {
- minfo->outputs[out].output->start(minfo->outputs[out].data);
- }
- }
- up_read(&minfo->altout.lock);
- matrox_cfbX_init(minfo);
- }
- }
- minfo->initialized = 1;
- return 0;
- }
- static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
- struct fb_vblank *vblank)
- {
- unsigned int sts1;
- matroxfb_enable_irq(minfo, 0);
- memset(vblank, 0, sizeof(*vblank));
- vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
- FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
- sts1 = mga_inb(M_INSTS1);
- vblank->vcount = mga_inl(M_VCOUNT);
- /* BTW, on my PIII/450 with G400, reading M_INSTS1
- byte makes this call about 12% slower (1.70 vs. 2.05 us
- per ioctl()) */
- if (sts1 & 1)
- vblank->flags |= FB_VBLANK_HBLANKING;
- if (sts1 & 8)
- vblank->flags |= FB_VBLANK_VSYNCING;
- if (vblank->vcount >= minfo->fbcon.var.yres)
- vblank->flags |= FB_VBLANK_VBLANKING;
- if (test_bit(0, &minfo->irq_flags)) {
- vblank->flags |= FB_VBLANK_HAVE_COUNT;
- /* Only one writer, aligned int value...
- it should work without lock and without atomic_t */
- vblank->count = minfo->crtc1.vsync.cnt;
- }
- return 0;
- }
- static struct matrox_altout panellink_output = {
- .name = "Panellink output",
- };
- static int matroxfb_ioctl(struct fb_info *info,
- unsigned int cmd, unsigned long arg)
- {
- void __user *argp = (void __user *)arg;
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG(__func__)
- if (minfo->dead) {
- return -ENXIO;
- }
- switch (cmd) {
- case FBIOGET_VBLANK:
- {
- struct fb_vblank vblank;
- int err;
- err = matroxfb_get_vblank(minfo, &vblank);
- if (err)
- return err;
- if (copy_to_user(argp, &vblank, sizeof(vblank)))
- return -EFAULT;
- return 0;
- }
- case FBIO_WAITFORVSYNC:
- {
- u_int32_t crt;
- if (get_user(crt, (u_int32_t __user *)arg))
- return -EFAULT;
- return matroxfb_wait_for_sync(minfo, crt);
- }
- case MATROXFB_SET_OUTPUT_MODE:
- {
- struct matroxioc_output_mode mom;
- struct matrox_altout *oproc;
- int val;
- if (copy_from_user(&mom, argp, sizeof(mom)))
- return -EFAULT;
- if (mom.output >= MATROXFB_MAX_OUTPUTS)
- return -ENXIO;
- down_read(&minfo->altout.lock);
- oproc = minfo->outputs[mom.output].output;
- if (!oproc) {
- val = -ENXIO;
- } else if (!oproc->verifymode) {
- if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
- val = 0;
- } else {
- val = -EINVAL;
- }
- } else {
- val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
- }
- if (!val) {
- if (minfo->outputs[mom.output].mode != mom.mode) {
- minfo->outputs[mom.output].mode = mom.mode;
- val = 1;
- }
- }
- up_read(&minfo->altout.lock);
- if (val != 1)
- return val;
- switch (minfo->outputs[mom.output].src) {
- case MATROXFB_SRC_CRTC1:
- matroxfb_set_par(info);
- break;
- case MATROXFB_SRC_CRTC2:
- {
- struct matroxfb_dh_fb_info* crtc2;
- down_read(&minfo->crtc2.lock);
- crtc2 = minfo->crtc2.info;
- if (crtc2)
- crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
- up_read(&minfo->crtc2.lock);
- }
- break;
- }
- return 0;
- }
- case MATROXFB_GET_OUTPUT_MODE:
- {
- struct matroxioc_output_mode mom;
- struct matrox_altout *oproc;
- int val;
- if (copy_from_user(&mom, argp, sizeof(mom)))
- return -EFAULT;
- if (mom.output >= MATROXFB_MAX_OUTPUTS)
- return -ENXIO;
- down_read(&minfo->altout.lock);
- oproc = minfo->outputs[mom.output].output;
- if (!oproc) {
- val = -ENXIO;
- } else {
- mom.mode = minfo->outputs[mom.output].mode;
- val = 0;
- }
- up_read(&minfo->altout.lock);
- if (val)
- return val;
- if (copy_to_user(argp, &mom, sizeof(mom)))
- return -EFAULT;
- return 0;
- }
- case MATROXFB_SET_OUTPUT_CONNECTION:
- {
- u_int32_t tmp;
- int i;
- int changes;
- if (copy_from_user(&tmp, argp, sizeof(tmp)))
- return -EFAULT;
- for (i = 0; i < 32; i++) {
- if (tmp & (1 << i)) {
- if (i >= MATROXFB_MAX_OUTPUTS)
- return -ENXIO;
- if (!minfo->outputs[i].output)
- return -ENXIO;
- switch (minfo->outputs[i].src) {
- case MATROXFB_SRC_NONE:
- case MATROXFB_SRC_CRTC1:
- break;
- default:
- return -EBUSY;
- }
- }
- }
- if (minfo->devflags.panellink) {
- if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
- if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
- return -EINVAL;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
- return -EBUSY;
- }
- }
- }
- }
- changes = 0;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- if (tmp & (1 << i)) {
- if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
- changes = 1;
- minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
- }
- } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
- changes = 1;
- minfo->outputs[i].src = MATROXFB_SRC_NONE;
- }
- }
- if (!changes)
- return 0;
- matroxfb_set_par(info);
- return 0;
- }
- case MATROXFB_GET_OUTPUT_CONNECTION:
- {
- u_int32_t conn = 0;
- int i;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
- conn |= 1 << i;
- }
- }
- if (put_user(conn, (u_int32_t __user *)arg))
- return -EFAULT;
- return 0;
- }
- case MATROXFB_GET_AVAILABLE_OUTPUTS:
- {
- u_int32_t conn = 0;
- int i;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- if (minfo->outputs[i].output) {
- switch (minfo->outputs[i].src) {
- case MATROXFB_SRC_NONE:
- case MATROXFB_SRC_CRTC1:
- conn |= 1 << i;
- break;
- }
- }
- }
- if (minfo->devflags.panellink) {
- if (conn & MATROXFB_OUTPUT_CONN_DFP)
- conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
- if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
- conn &= ~MATROXFB_OUTPUT_CONN_DFP;
- }
- if (put_user(conn, (u_int32_t __user *)arg))
- return -EFAULT;
- return 0;
- }
- case MATROXFB_GET_ALL_OUTPUTS:
- {
- u_int32_t conn = 0;
- int i;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- if (minfo->outputs[i].output) {
- conn |= 1 << i;
- }
- }
- if (put_user(conn, (u_int32_t __user *)arg))
- return -EFAULT;
- return 0;
- }
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability r;
- memset(&r, 0, sizeof(r));
- strcpy(r.driver, "matroxfb");
- strcpy(r.card, "Matrox");
- sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
- r.version = KERNEL_VERSION(1,0,0);
- r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
- if (copy_to_user(argp, &r, sizeof(r)))
- return -EFAULT;
- return 0;
- }
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl qctrl;
- int err;
- if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
- return -EFAULT;
- down_read(&minfo->altout.lock);
- if (!minfo->outputs[1].output) {
- err = -ENXIO;
- } else if (minfo->outputs[1].output->getqueryctrl) {
- err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
- } else {
- err = -EINVAL;
- }
- up_read(&minfo->altout.lock);
- if (err >= 0 &&
- copy_to_user(argp, &qctrl, sizeof(qctrl)))
- return -EFAULT;
- return err;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control ctrl;
- int err;
- if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
- return -EFAULT;
- down_read(&minfo->altout.lock);
- if (!minfo->outputs[1].output) {
- err = -ENXIO;
- } else if (minfo->outputs[1].output->getctrl) {
- err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
- } else {
- err = -EINVAL;
- }
- up_read(&minfo->altout.lock);
- if (err >= 0 &&
- copy_to_user(argp, &ctrl, sizeof(ctrl)))
- return -EFAULT;
- return err;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control ctrl;
- int err;
- if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
- return -EFAULT;
- down_read(&minfo->altout.lock);
- if (!minfo->outputs[1].output) {
- err = -ENXIO;
- } else if (minfo->outputs[1].output->setctrl) {
- err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
- } else {
- err = -EINVAL;
- }
- up_read(&minfo->altout.lock);
- return err;
- }
- }
- return -ENOTTY;
- }
- /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
- static int matroxfb_blank(int blank, struct fb_info *info)
- {
- int seq;
- int crtc;
- CRITFLAGS
- struct matrox_fb_info *minfo = info2minfo(info);
- DBG(__func__)
- if (minfo->dead)
- return 1;
- switch (blank) {
- case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */
- case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break;
- case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break;
- case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break;
- default: seq = 0x00; crtc = 0x00; break;
- }
- CRITBEGIN
- mga_outb(M_SEQ_INDEX, 1);
- mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
- mga_outb(M_EXTVGA_INDEX, 1);
- mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
- CRITEND
- return 0;
- }
- static struct fb_ops matroxfb_ops = {
- .owner = THIS_MODULE,
- .fb_open = matroxfb_open,
- .fb_release = matroxfb_release,
- .fb_check_var = matroxfb_check_var,
- .fb_set_par = matroxfb_set_par,
- .fb_setcolreg = matroxfb_setcolreg,
- .fb_pan_display =matroxfb_pan_display,
- .fb_blank = matroxfb_blank,
- .fb_ioctl = matroxfb_ioctl,
- /* .fb_fillrect = <set by matrox_cfbX_init>, */
- /* .fb_copyarea = <set by matrox_cfbX_init>, */
- /* .fb_imageblit = <set by matrox_cfbX_init>, */
- /* .fb_cursor = <set by matrox_cfbX_init>, */
- };
- #define RSDepth(X) (((X) >> 8) & 0x0F)
- #define RS8bpp 0x1
- #define RS15bpp 0x2
- #define RS16bpp 0x3
- #define RS32bpp 0x4
- #define RS4bpp 0x5
- #define RS24bpp 0x6
- #define RSText 0x7
- #define RSText8 0x8
- /* 9-F */
- static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
- { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 },
- { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
- { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 },
- { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
- { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 },
- { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 },
- { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */
- { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */
- };
- /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
- static unsigned int mem; /* "matroxfb:mem:xxxxxM" */
- static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */
- static int inv24; /* "matroxfb:inv24" */
- static int cross4MB = -1; /* "matroxfb:cross4MB" */
- static int disabled; /* "matroxfb:disabled" */
- static int noaccel; /* "matroxfb:noaccel" */
- static int nopan; /* "matroxfb:nopan" */
- static int no_pci_retry; /* "matroxfb:nopciretry" */
- static int novga; /* "matroxfb:novga" */
- static int nobios; /* "matroxfb:nobios" */
- static int noinit = 1; /* "matroxfb:init" */
- static int inverse; /* "matroxfb:inverse" */
- static int sgram; /* "matroxfb:sgram" */
- #ifdef CONFIG_MTRR
- static int mtrr = 1; /* "matroxfb:nomtrr" */
- #endif
- static int grayscale; /* "matroxfb:grayscale" */
- static int dev = -1; /* "matroxfb:dev:xxxxx" */
- static unsigned int vesa = ~0; /* "matroxfb:vesa:xxxxx" */
- static int depth = -1; /* "matroxfb:depth:xxxxx" */
- static unsigned int xres; /* "matroxfb:xres:xxxxx" */
- static unsigned int yres; /* "matroxfb:yres:xxxxx" */
- static unsigned int upper = ~0; /* "matroxfb:upper:xxxxx" */
- static unsigned int lower = ~0; /* "matroxfb:lower:xxxxx" */
- static unsigned int vslen; /* "matroxfb:vslen:xxxxx" */
- static unsigned int left = ~0; /* "matroxfb:left:xxxxx" */
- static unsigned int right = ~0; /* "matroxfb:right:xxxxx" */
- static unsigned int hslen; /* "matroxfb:hslen:xxxxx" */
- static unsigned int pixclock; /* "matroxfb:pixclock:xxxxx" */
- static int sync = -1; /* "matroxfb:sync:xxxxx" */
- static unsigned int fv; /* "matroxfb:fv:xxxxx" */
- static unsigned int fh; /* "matroxfb:fh:xxxxxk" */
- static unsigned int maxclk; /* "matroxfb:maxclk:xxxxM" */
- static int dfp; /* "matroxfb:dfp */
- static int dfp_type = -1; /* "matroxfb:dfp:xxx */
- static int memtype = -1; /* "matroxfb:memtype:xxx" */
- static char outputs[8]; /* "matroxfb:outputs:xxx" */
- #ifndef MODULE
- static char videomode[64]; /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
- #endif
- static int matroxfb_getmemory(struct matrox_fb_info *minfo,
- unsigned int maxSize, unsigned int *realSize)
- {
- vaddr_t vm;
- unsigned int offs;
- unsigned int offs2;
- unsigned char orig;
- unsigned char bytes[32];
- unsigned char* tmp;
- DBG(__func__)
- vm = minfo->video.vbase;
- maxSize &= ~0x1FFFFF; /* must be X*2MB (really it must be 2 or X*4MB) */
- /* at least 2MB */
- if (maxSize < 0x0200000) return 0;
- if (maxSize > 0x2000000) maxSize = 0x2000000;
- mga_outb(M_EXTVGA_INDEX, 0x03);
- orig = mga_inb(M_EXTVGA_DATA);
- mga_outb(M_EXTVGA_DATA, orig | 0x80);
- tmp = bytes;
- for (offs = 0x100000; offs < maxSize; offs += 0x200000)
- *tmp++ = mga_readb(vm, offs);
- for (offs = 0x100000; offs < maxSize; offs += 0x200000)
- mga_writeb(vm, offs, 0x02);
- mga_outb(M_CACHEFLUSH, 0x00);
- for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
- if (mga_readb(vm, offs) != 0x02)
- break;
- mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
- if (mga_readb(vm, offs))
- break;
- }
- tmp = bytes;
- for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
- mga_writeb(vm, offs2, *tmp++);
- mga_outb(M_EXTVGA_INDEX, 0x03);
- mga_outb(M_EXTVGA_DATA, orig);
- *realSize = offs - 0x100000;
- #ifdef CONFIG_FB_MATROX_MILLENIUM
- minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
- #endif
- return 1;
- }
- struct video_board {
- int maxvram;
- int maxdisplayable;
- int accelID;
- struct matrox_switch* lowlevel;
- };
- #ifdef CONFIG_FB_MATROX_MILLENIUM
- static struct video_board vbMillennium = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W, &matrox_millennium};
- static struct video_board vbMillennium2 = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W, &matrox_millennium};
- static struct video_board vbMillennium2A = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP, &matrox_millennium};
- #endif /* CONFIG_FB_MATROX_MILLENIUM */
- #ifdef CONFIG_FB_MATROX_MYSTIQUE
- static struct video_board vbMystique = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG, &matrox_mystique};
- #endif /* CONFIG_FB_MATROX_MYSTIQUE */
- #ifdef CONFIG_FB_MATROX_G
- static struct video_board vbG100 = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100, &matrox_G100};
- static struct video_board vbG200 = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200, &matrox_G100};
- /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
- whole 32MB */
- static struct video_board vbG400 = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400, &matrox_G100};
- #endif
- #define DEVF_VIDEO64BIT 0x0001
- #define DEVF_SWAPS 0x0002
- #define DEVF_SRCORG 0x0004
- #define DEVF_DUALHEAD 0x0008
- #define DEVF_CROSS4MB 0x0010
- #define DEVF_TEXT4B 0x0020
- /* #define DEVF_recycled 0x0040 */
- /* #define DEVF_recycled 0x0080 */
- #define DEVF_SUPPORT32MB 0x0100
- #define DEVF_ANY_VXRES 0x0200
- #define DEVF_TEXT16B 0x0400
- #define DEVF_CRTC2 0x0800
- #define DEVF_MAVEN_CAPABLE 0x1000
- #define DEVF_PANELLINK_CAPABLE 0x2000
- #define DEVF_G450DAC 0x4000
- #define DEVF_GCORE (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
- #define DEVF_G2CORE (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
- #define DEVF_G100 (DEVF_GCORE) /* no doc, no vxres... */
- #define DEVF_G200 (DEVF_G2CORE)
- #define DEVF_G400 (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
- /* if you'll find how to drive DFP... */
- #define DEVF_G450 (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
- #define DEVF_G550 (DEVF_G450)
- static struct board {
- unsigned short vendor, device, rev, svid, sid;
- unsigned int flags;
- unsigned int maxclk;
- enum mga_chip chip;
- struct video_board* base;
- const char* name;
- } dev_list[] = {
- #ifdef CONFIG_FB_MATROX_MILLENIUM
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 0xFF,
- 0, 0,
- DEVF_TEXT4B,
- 230000,
- MGA_2064,
- &vbMillennium,
- "Millennium (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 0xFF,
- 0, 0,
- DEVF_SWAPS,
- 220000,
- MGA_2164,
- &vbMillennium2,
- "Millennium II (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
- 0, 0,
- DEVF_SWAPS,
- 250000,
- MGA_2164,
- &vbMillennium2A,
- "Millennium II (AGP)"},
- #endif
- #ifdef CONFIG_FB_MATROX_MYSTIQUE
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0x02,
- 0, 0,
- DEVF_VIDEO64BIT | DEVF_CROSS4MB,
- 180000,
- MGA_1064,
- &vbMystique,
- "Mystique (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0xFF,
- 0, 0,
- DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
- 220000,
- MGA_1164,
- &vbMystique,
- "Mystique 220 (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0x02,
- 0, 0,
- DEVF_VIDEO64BIT | DEVF_CROSS4MB,
- 180000,
- MGA_1064,
- &vbMystique,
- "Mystique (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0xFF,
- 0, 0,
- DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
- 220000,
- MGA_1164,
- &vbMystique,
- "Mystique 220 (AGP)"},
- #endif
- #ifdef CONFIG_FB_MATROX_G
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 0xFF,
- 0, 0,
- DEVF_G100,
- 230000,
- MGA_G100,
- &vbG100,
- "MGA-G100 (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 0xFF,
- 0, 0,
- DEVF_G100,
- 230000,
- MGA_G100,
- &vbG100,
- "MGA-G100 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 0xFF,
- 0, 0,
- DEVF_G200,
- 250000,
- MGA_G200,
- &vbG200,
- "MGA-G200 (PCI)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC,
- DEVF_G200,
- 220000,
- MGA_G200,
- &vbG200,
- "MGA-G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
- DEVF_G200,
- 230000,
- MGA_G200,
- &vbG200,
- "Mystique G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
- DEVF_G200,
- 250000,
- MGA_G200,
- &vbG200,
- "Millennium G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MARVEL_G200_AGP,
- DEVF_G200,
- 230000,
- MGA_G200,
- &vbG200,
- "Marvel G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- PCI_SS_VENDOR_ID_SIEMENS_NIXDORF, PCI_SS_ID_SIEMENS_MGA_G200_AGP,
- DEVF_G200,
- 230000,
- MGA_G200,
- &vbG200,
- "MGA-G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
- 0, 0,
- DEVF_G200,
- 230000,
- MGA_G200,
- &vbG200,
- "G200 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
- PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
- DEVF_G400,
- 360000,
- MGA_G400,
- &vbG400,
- "Millennium G400 MAX (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
- 0, 0,
- DEVF_G400,
- 300000,
- MGA_G400,
- &vbG400,
- "G400 (AGP)"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0xFF,
- 0, 0,
- DEVF_G450,
- 360000,
- MGA_G450,
- &vbG400,
- "G450"},
- {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 0xFF,
- 0, 0,
- DEVF_G550,
- 360000,
- MGA_G550,
- &vbG400,
- "G550"},
- #endif
- {0, 0, 0xFF,
- 0, 0,
- 0,
- 0,
- 0,
- NULL,
- NULL}};
- #ifndef MODULE
- static struct fb_videomode defaultmode = {
- /* 640x480 @ 60Hz, 31.5 kHz */
- NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
- 0, FB_VMODE_NONINTERLACED
- };
- #endif /* !MODULE */
- static int hotplug = 0;
- static void setDefaultOutputs(struct matrox_fb_info *minfo)
- {
- unsigned int i;
- const char* ptr;
- minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
- if (minfo->devflags.g450dac) {
- minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
- minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
- } else if (dfp) {
- minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
- }
- ptr = outputs;
- for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
- char c = *ptr++;
- if (c == 0) {
- break;
- }
- if (c == '0') {
- minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
- } else if (c == '1') {
- minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
- } else if (c == '2' && minfo->devflags.crtc2) {
- minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
- } else {
- printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
- break;
- }
- }
- /* Nullify this option for subsequent adapters */
- outputs[0] = 0;
- }
- static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
- {
- unsigned long ctrlptr_phys = 0;
- unsigned long video_base_phys = 0;
- unsigned int memsize;
- int err;
- static struct pci_device_id intel_82437[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
- { },
- };
- DBG(__func__)
- /* set default values... */
- vesafb_defined.accel_flags = FB_ACCELF_TEXT;
- minfo->hw_switch = b->base->lowlevel;
- minfo->devflags.accelerator = b->base->accelID;
- minfo->max_pixel_clock = b->maxclk;
- printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
- minfo->capable.plnwt = 1;
- minfo->chip = b->chip;
- minfo->capable.srcorg = b->flags & DEVF_SRCORG;
- minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
- if (b->flags & DEVF_TEXT4B) {
- minfo->devflags.vgastep = 4;
- minfo->devflags.textmode = 4;
- minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
- } else if (b->flags & DEVF_TEXT16B) {
- minfo->devflags.vgastep = 16;
- minfo->devflags.textmode = 1;
- minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
- } else {
- minfo->devflags.vgastep = 8;
- minfo->devflags.textmode = 1;
- minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
- }
- minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
- minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
- minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
- minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
- minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
- minfo->devflags.dfp_type = dfp_type;
- minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
- minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
- minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
- setDefaultOutputs(minfo);
- if (b->flags & DEVF_PANELLINK_CAPABLE) {
- minfo->outputs[2].data = minfo;
- minfo->outputs[2].output = &panellink_output;
- minfo->outputs[2].src = minfo->outputs[2].default_src;
- minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
- minfo->devflags.panellink = 1;
- }
- if (minfo->capable.cross4MB < 0)
- minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
- if (b->flags & DEVF_SWAPS) {
- ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
- video_base_phys = pci_resource_start(minfo->pcidev, 0);
- minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
- } else {
- ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
- video_base_phys = pci_resource_start(minfo->pcidev, 1);
- minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
- }
- err = -EINVAL;
- if (!ctrlptr_phys) {
- printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
- goto fail;
- }
- if (!video_base_phys) {
- printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
- goto fail;
- }
- memsize = b->base->maxvram;
- if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
- goto fail;
- }
- if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
- goto failCtrlMR;
- }
- minfo->video.len_maximum = memsize;
- /* convert mem (autodetect k, M) */
- if (mem < 1024) mem *= 1024;
- if (mem < 0x00100000) mem *= 1024;
- if (mem && (mem < memsize))
- memsize = mem;
- err = -ENOMEM;
- if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &minfo->mmio.vbase)) {
- printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
- goto failVideoMR;
- }
- minfo->mmio.base = ctrlptr_phys;
- minfo->mmio.len = 16384;
- minfo->video.base = video_base_phys;
- if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &minfo->video.vbase)) {
- printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
- video_base_phys, memsize);
- goto failCtrlIO;
- }
- {
- u_int32_t cmd;
- u_int32_t mga_option;
- pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
- pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
- mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
- mga_option |= MX_OPTION_BSWAP;
- /* disable palette snooping */
- cmd &= ~PCI_COMMAND_VGA_PALETTE;
- if (pci_dev_present(intel_82437)) {
- if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
- printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
- }
- mga_option |= 0x20000000;
- minfo->devflags.nopciretry = 1;
- }
- pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
- pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
- minfo->hw.MXoptionReg = mga_option;
- /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
- /* maybe preinit() candidate, but it is same... for all devices... at this time... */
- pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
- }
- err = -ENXIO;
- matroxfb_read_pins(minfo);
- if (minfo->hw_switch->preinit(minfo)) {
- goto failVideoIO;
- }
- err = -ENOMEM;
- if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
- printk(KERN_ERR "matroxfb: cannot determine memory size\n");
- goto failVideoIO;
- }
- minfo->devflags.ydstorg = 0;
- minfo->video.base = video_base_phys;
- minfo->video.len_usable = minfo->video.len;
- if (minfo->video.len_usable > b->base->maxdisplayable)
- minfo->video.len_usable = b->base->maxdisplayable;
- #ifdef CONFIG_MTRR
- if (mtrr) {
- minfo->mtrr.vram = mtrr_add(video_base_phys, minfo->video.len, MTRR_TYPE_WRCOMB, 1);
- minfo->mtrr.vram_valid = 1;
- printk(KERN_INFO "matroxfb: MTRR's turned on\n");
- }
- #endif /* CONFIG_MTRR */
- if (!minfo->devflags.novga)
- request_region(0x3C0, 32, "matrox");
- matroxfb_g450_connect(minfo);
- minfo->hw_switch->reset(minfo);
- minfo->fbcon.monspecs.hfmin = 0;
- minfo->fbcon.monspecs.hfmax = fh;
- minfo->fbcon.monspecs.vfmin = 0;
- minfo->fbcon.monspecs.vfmax = fv;
- minfo->fbcon.monspecs.dpms = 0; /* TBD */
- /* static settings */
- vesafb_defined.red = colors[depth-1].red;
- vesafb_defined.green = colors[depth-1].green;
- vesafb_defined.blue = colors[depth-1].blue;
- vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
- vesafb_defined.grayscale = grayscale;
- vesafb_defined.vmode = 0;
- if (noaccel)
- vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
- minfo->fbops = matroxfb_ops;
- minfo->fbcon.fbops = &minfo->fbops;
- minfo->fbcon.pseudo_palette = minfo->cmap;
- /* after __init time we are like mo