av7110_hw.c

h内核

	return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
}

static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
}

static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
}

static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
}

static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
				  osd_raw_window_t disptype,
				  u16 width, u16 height)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
			     windownr, disptype, width, height);
}


static enum av7110_osd_palette_type bpp2pal[8] = {
	Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
};
static osd_raw_window_t bpp2bit[8] = {
	OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
};

static inline int LoadBitmap(struct av7110 *av7110, u16 format,
			     u16 dx, u16 dy, int inc, u8 __user * data)
{
	int bpp;
	int i;
	int d, delta;
	u8 c;
	int ret;

	dprintk(4, "%p\n", av7110);

	ret = wait_event_interruptible_timeout(av7110->bmpq, av7110->bmp_state != BMP_LOADING, HZ);
	if (ret == -ERESTARTSYS || ret == 0) {
		printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
		       ret, av7110->bmp_state);
		av7110->bmp_state = BMP_NONE;
		return -1;
	}
	BUG_ON (av7110->bmp_state == BMP_LOADING);

	av7110->bmp_state = BMP_LOADING;
	if	(format == OSD_BITMAP8) {
		bpp=8; delta = 1;
	} else if (format == OSD_BITMAP4) {
		bpp=4; delta = 2;
	} else if (format == OSD_BITMAP2) {
		bpp=2; delta = 4;
	} else if (format == OSD_BITMAP1) {
		bpp=1; delta = 8;
	} else {
		av7110->bmp_state = BMP_NONE;
		return -1;
	}
	av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
	av7110->bmpp = 0;
	if (av7110->bmplen > 32768) {
		av7110->bmp_state = BMP_NONE;
		return -1;
	}
	for (i = 0; i < dy; i++) {
		if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
			av7110->bmp_state = BMP_NONE;
			return -1;
		}
	}
	if (format != OSD_BITMAP8) {
		for (i = 0; i < dx * dy / delta; i++) {
			c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
			for (d = delta - 2; d >= 0; d--) {
				c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
				      << ((delta - d - 1) * bpp));
				((u8 *)av7110->bmpbuf)[1024 + i] = c;
			}
		}
	}
	av7110->bmplen += 1024;
	dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
	return av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
}

static int BlitBitmap(struct av7110 *av7110, u16 win, u16 x, u16 y, u16 trans)
{
	int ret;

	dprintk(4, "%p\n", av7110);

	BUG_ON (av7110->bmp_state == BMP_NONE);

	ret = wait_event_interruptible_timeout(av7110->bmpq,
				av7110->bmp_state != BMP_LOADING, 10*HZ);
	if (ret == -ERESTARTSYS || ret == 0) {
		printk("dvb-ttpci: warning: timeout waiting in BlitBitmap: %d, %d\n",
		       ret, av7110->bmp_state);
		av7110->bmp_state = BMP_NONE;
		return (ret == 0) ? -ETIMEDOUT : ret;
		}

	BUG_ON (av7110->bmp_state != BMP_LOADED);

		return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, win, x, y, trans);
}

static inline int ReleaseBitmap(struct av7110 *av7110)
{
	dprintk(4, "%p\n", av7110);

	if (av7110->bmp_state != BMP_LOADED)
		return -1;
	av7110->bmp_state = BMP_NONE;
	return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
}

static u32 RGB2YUV(u16 R, u16 G, u16 B)
{
	u16 y, u, v;
	u16 Y, Cr, Cb;

	y = R * 77 + G * 150 + B * 29;	/* Luma=0.299R+0.587G+0.114B 0..65535 */
	u = 2048 + B * 8 -(y >> 5);	/* Cr 0..4095 */
	v = 2048 + R * 8 -(y >> 5);	/* Cb 0..4095 */

	Y = y / 256;
	Cb = u / 16;
	Cr = v / 16;

	return Cr | (Cb << 16) | (Y << 8);
}

static void OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
{
	u16 ch, cl;
	u32 yuv;

	yuv = blend ? RGB2YUV(r,g,b) : 0;
	cl = (yuv & 0xffff);
	ch = ((yuv >> 16) & 0xffff);
	SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
		  color, ch, cl);
	SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
		  color, ((blend >> 4) & 0x0f));
}

static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
{
       int i;
       int length = last - first + 1;

       if (length * 4 > DATA_BUFF3_SIZE)
	       return -EINVAL;

       for (i = 0; i < length; i++) {
	       u32 color, blend, yuv;

	       if (get_user(color, colors + i))
		       return -EFAULT;
	       blend = (color & 0xF0000000) >> 4;
	       yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
				     (color >> 16) & 0xFF) | blend : 0;
	       yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
	       wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
       }
       return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
			    av7110->osdwin,
			    bpp2pal[av7110->osdbpp[av7110->osdwin]],
			    first, last);
}

static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
		       int x1, int y1, int inc, u8 __user *data)
{
	uint w, h, bpp, bpl, size, lpb, bnum, brest;
	int i;
	int rc;

	w = x1 - x0 + 1;
	h = y1 - y0 + 1;
	if (inc <= 0)
		inc = w;
	if (w <= 0 || w > 720 || h <= 0 || h > 576)
		return -1;
	bpp = av7110->osdbpp[av7110->osdwin] + 1;
	bpl = ((w * bpp + 7) & ~7) / 8;
	size = h * bpl;
	lpb = (32 * 1024) / bpl;
	bnum = size / (lpb * bpl);
	brest = size - bnum * lpb * bpl;

	for (i = 0; i < bnum; i++) {
		rc = LoadBitmap(av7110, bpp2bit[av7110->osdbpp[av7110->osdwin]],
			   w, lpb, inc, data);
		if (rc)
			return rc;
		rc = BlitBitmap(av7110, av7110->osdwin, x0, y0 + i * lpb, 0);
		if (rc)
			return rc;
		data += lpb * inc;
	}
	if (brest) {
		rc = LoadBitmap(av7110, bpp2bit[av7110->osdbpp[av7110->osdwin]],
			   w, brest / bpl, inc, data);
		if (rc)
			return rc;
		rc = BlitBitmap(av7110, av7110->osdwin, x0, y0 + bnum * lpb, 0);
		if (rc)
			return rc;
	}
	ReleaseBitmap(av7110);
	return 0;
}

int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
{
	int ret;

	ret = down_interruptible(&av7110->osd_sema);
	if (ret)
		return -ERESTARTSYS;

	/* stupid, but OSD functions don't provide a return code anyway */
	ret = 0;

	switch (dc->cmd) {
	case OSD_Close:
		DestroyOSDWindow(av7110, av7110->osdwin);
		goto out;
	case OSD_Open:
		av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
		CreateOSDWindow(av7110, av7110->osdwin,
				bpp2bit[av7110->osdbpp[av7110->osdwin]],
				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
		if (!dc->data) {
			MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
			SetColorBlend(av7110, av7110->osdwin);
		}
		goto out;
	case OSD_Show:
		MoveWindowRel(av7110, av7110->osdwin, 0, 0);
		goto out;
	case OSD_Hide:
		HideWindow(av7110, av7110->osdwin);
		goto out;
	case OSD_Clear:
		DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
		goto out;
	case OSD_Fill:
		DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
		goto out;
	case OSD_SetColor:
		OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
		goto out;
	case OSD_SetPalette:
	{
		if (FW_VERSION(av7110->arm_app) >= 0x2618) {
			ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
			goto out;
		} else {
			int i, len = dc->x0-dc->color+1;
			u8 __user *colors = (u8 __user *)dc->data;
			u8 r, g, b, blend;

			for (i = 0; i<len; i++) {
				if (get_user(r, colors + i * 4) ||
				    get_user(g, colors + i * 4 + 1) ||
				    get_user(b, colors + i * 4 + 2) ||
				    get_user(blend, colors + i * 4 + 3)) {
					ret = -EFAULT;
					goto out;
		}
				OSDSetColor(av7110, dc->color + i, r, g, b, blend);
		}
		}
		ret = 0;
		goto out;
	}
	case OSD_SetTrans:
		goto out;
	case OSD_SetPixel:
		DrawLine(av7110, av7110->osdwin,
			 dc->x0, dc->y0, 0, 0, dc->color);
		goto out;
	case OSD_GetPixel:
		goto out;
	case OSD_SetRow:
		dc->y1 = dc->y0;
		/* fall through */
	case OSD_SetBlock:
		ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
		goto out;
	case OSD_FillRow:
		DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
			  dc->x1-dc->x0+1, dc->y1, dc->color);
		goto out;
	case OSD_FillBlock:
		DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
			  dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
		goto out;
	case OSD_Line:
		DrawLine(av7110, av7110->osdwin,
			 dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
		goto out;
	case OSD_Query:
		goto out;
	case OSD_Test:
		goto out;
	case OSD_Text:
	{
		char textbuf[240];

		if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
			ret = -EFAULT;
			goto out;
		}
		textbuf[239] = 0;
		if (dc->x1 > 3)
			dc->x1 = 3;
		SetFont(av7110, av7110->osdwin, dc->x1,
			(u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
		FlushText(av7110);
		WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
		goto out;
	}
	case OSD_SetWindow:
		if (dc->x0 < 1 || dc->x0 > 7) {
			ret = -EINVAL;
			goto out;
		}
		av7110->osdwin = dc->x0;
		goto out;
	case OSD_MoveWindow:
		MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
		SetColorBlend(av7110, av7110->osdwin);
		goto out;
	case OSD_OpenRaw:
		if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
			ret = -EINVAL;
			goto out;
		}
		if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR) {
			av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
		}
		else {
			av7110->osdbpp[av7110->osdwin] = 0;
		}
		CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
		if (!dc->data) {
			MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
			SetColorBlend(av7110, av7110->osdwin);
		}
		goto out;
	default:
		ret = -EINVAL;
		goto out;
	}

out:
	up(&av7110->osd_sema);
	return ret;
}

int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
{
        switch (cap->cmd) {
        case OSD_CAP_MEMSIZE:
                if (FW_4M_SDRAM(av7110->arm_app))
                        cap->val = 1000000;
                else
                        cap->val = 92000;
		return 0;
	default:
		return -EINVAL;
	}
}
#endif /* CONFIG_DVB_AV7110_OSD */