matroxfb_base.c

linux-2.6.15.6

	if (ACCESS_FBINFO(dead)) {
		return -ENXIO;
	}

	switch (cmd) {
		case FBIOGET_VBLANK:
			{
				struct fb_vblank vblank;
				int err;

				err = matroxfb_get_vblank(PMINFO &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(PMINFO 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(&ACCESS_FBINFO(altout.lock));
				oproc = ACCESS_FBINFO(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(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
				}
				if (!val) {
					if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
						ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
						val = 1;
					}
				}
				up_read(&ACCESS_FBINFO(altout.lock));
				if (val != 1)
					return val;
				switch (ACCESS_FBINFO(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(&ACCESS_FBINFO(crtc2.lock));
							crtc2 = ACCESS_FBINFO(crtc2.info);
							if (crtc2)
								crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
							up_read(&ACCESS_FBINFO(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(&ACCESS_FBINFO(altout.lock));
				oproc = ACCESS_FBINFO(outputs[mom.output]).output;
				if (!oproc) {
					val = -ENXIO;
				} else {
					mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
					val = 0;
				}
				up_read(&ACCESS_FBINFO(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 (!ACCESS_FBINFO(outputs[i]).output)
							return -ENXIO;
						switch (ACCESS_FBINFO(outputs[i]).src) {
							case MATROXFB_SRC_NONE:
							case MATROXFB_SRC_CRTC1:
								break;
							default:
								return -EBUSY;
						}
					}
				}
				if (ACCESS_FBINFO(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 (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
								return -EBUSY;
							}
						}
					}
				}
				changes = 0;
				for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
					if (tmp & (1 << i)) {
						if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
							changes = 1;
							ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
						}
					} else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
						changes = 1;
						ACCESS_FBINFO(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 (ACCESS_FBINFO(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 (ACCESS_FBINFO(outputs[i]).output) {
						switch (ACCESS_FBINFO(outputs[i]).src) {
							case MATROXFB_SRC_NONE:
							case MATROXFB_SRC_CRTC1:
								conn |= 1 << i;
								break;
						}
					}
				}
				if (ACCESS_FBINFO(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 (ACCESS_FBINFO(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(ACCESS_FBINFO(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(&ACCESS_FBINFO(altout).lock);
				if (!ACCESS_FBINFO(outputs[1]).output) {
					err = -ENXIO;
				} else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
					err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
				} else {
					err = -EINVAL;
				}
				up_read(&ACCESS_FBINFO(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(&ACCESS_FBINFO(altout).lock);
				if (!ACCESS_FBINFO(outputs[1]).output) {
					err = -ENXIO;
				} else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
					err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
				} else {
					err = -EINVAL;
				}
				up_read(&ACCESS_FBINFO(altout).lock);
				if (err >= 0 &&
				    copy_to_user(argp, &ctrl, sizeof(ctrl)))
					return -EFAULT;
				return err;
			}
		case VIDIOC_S_CTRL_OLD:
		case VIDIOC_S_CTRL:
			{
				struct v4l2_control ctrl;
				int err;

				if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
					return -EFAULT;

				down_read(&ACCESS_FBINFO(altout).lock);
				if (!ACCESS_FBINFO(outputs[1]).output) {
					err = -ENXIO;
				} else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
					err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
				} else {
					err = -EINVAL;
				}
				up_read(&ACCESS_FBINFO(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
	MINFO_FROM_INFO(info);

	DBG(__FUNCTION__)

	if (ACCESS_FBINFO(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;		/* "matrox:mem:xxxxxM" */
static int option_precise_width = 1;	/* cannot be changed, option_precise_width==0 must imply noaccel */
static int inv24;			/* "matrox:inv24" */
static int cross4MB = -1;		/* "matrox:cross4MB" */
static int disabled;			/* "matrox:disabled" */
static int noaccel;			/* "matrox:noaccel" */
static int nopan;			/* "matrox:nopan" */
static int no_pci_retry;		/* "matrox:nopciretry" */
static int novga;			/* "matrox:novga" */
static int nobios;			/* "matrox:nobios" */
static int noinit = 1;			/* "matrox:init" */
static int inverse;			/* "matrox:inverse" */
static int sgram;			/* "matrox:sgram" */
#ifdef CONFIG_MTRR
static int mtrr = 1;			/* "matrox:nomtrr" */
#endif
static int grayscale;			/* "matrox:grayscale" */
static int dev = -1;			/* "matrox:dev:xxxxx" */
static unsigned int vesa = ~0;		/* "matrox:vesa:xxxxx" */
static int depth = -1;			/* "matrox:depth:xxxxx" */
static unsigned int xres;		/* "matrox:xres:xxxxx" */
static unsigned int yres;		/* "matrox:yres:xxxxx" */
static unsigned int upper = ~0;		/* "matrox:upper:xxxxx" */
static unsigned int lower = ~0;		/* "matrox:lower:xxxxx" */
static unsigned int vslen;		/* "matrox:vslen:xxxxx" */
static unsigned int left = ~0;		/* "matrox:left:xxxxx" */
static unsigned int right = ~0;		/* "matrox:right:xxxxx" */
static unsigned int hslen;		/* "matrox:hslen:xxxxx" */
static unsigned int pixclock;		/* "matrox:pixclock:xxxxx" */
static int sync = -1;			/* "matrox:sync:xxxxx" */
static unsigned int fv;			/* "matrox:fv:xxxxx" */
static unsigned int fh;			/* "matrox:fh:xxxxxk" */
static unsigned int maxclk;		/* "matrox:maxclk:xxxxM" */
static int dfp;				/* "matrox:dfp */
static int dfp_type = -1;		/* "matrox:dfp:xxx */
static int memtype = -1;		/* "matrox:memtype:xxx" */
static char outputs[8];			/* "matrox:outputs:xxx" */

#ifndef MODULE
static char videomode[64];		/* "matrox:mode:xxxxx" or "matrox:xxxxx" */
#endif

static int matroxfb_getmemory(WPMINFO 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(__FUNCTION__)

	vm = ACCESS_FBINFO(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++);