X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fcommon%2Fsaa7146_hlp.c;h=d2905720eb746b782f034b5e2b0aa1898c16b683;hb=refs%2Fheads%2Fvserver;hp=ec52dff8cb695a35fb72687b1aa508c5196b1b97;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/media/common/saa7146_hlp.c b/drivers/media/common/saa7146_hlp.c index ec52dff8c..d2905720e 100644 --- a/drivers/media/common/saa7146_hlp.c +++ b/drivers/media/common/saa7146_hlp.c @@ -158,7 +158,7 @@ static int calculate_h_scale_registers(struct saa7146_dev *dev, } /* the horizontal scaling increment controls the UV filter - to reduce the bandwith to improve the display quality, + to reduce the bandwidth to improve the display quality, so set it ... */ if ( xsci == 0x400) pfuv = 0x00; @@ -562,19 +562,26 @@ static void saa7146_set_position(struct saa7146_dev *dev, int w_x, int w_y, int int b_depth = vv->ov_fmt->depth; int b_bpl = vv->ov_fb.fmt.bytesperline; - u32 base = (u32)vv->ov_fb.base; + /* The unsigned long cast is to remove a 64-bit compile warning since + it looks like a 64-bit address is cast to a 32-bit value, even + though the base pointer is really a 32-bit physical address that + goes into a 32-bit DMA register. + FIXME: might not work on some 64-bit platforms, but see the FIXME + in struct v4l2_framebuffer (videodev2.h) for that. + */ + u32 base = (u32)(unsigned long)vv->ov_fb.base; struct saa7146_video_dma vdma1; /* calculate memory offsets for picture, look if we shall top-down-flip */ vdma1.pitch = 2*b_bpl; if ( 0 == vv->vflip ) { - vdma1.base_even = (u32)base + (w_y * (vdma1.pitch/2)) + (w_x * (b_depth / 8)); + vdma1.base_even = base + (w_y * (vdma1.pitch/2)) + (w_x * (b_depth / 8)); vdma1.base_odd = vdma1.base_even + (vdma1.pitch / 2); vdma1.prot_addr = vdma1.base_even + (w_height * (vdma1.pitch / 2)); } else { - vdma1.base_even = (u32)base + ((w_y+w_height) * (vdma1.pitch/2)) + (w_x * (b_depth / 8)); + vdma1.base_even = base + ((w_y+w_height) * (vdma1.pitch/2)) + (w_x * (b_depth / 8)); vdma1.base_odd = vdma1.base_even - (vdma1.pitch / 2); vdma1.prot_addr = vdma1.base_odd - (w_height * (vdma1.pitch / 2)); } @@ -634,6 +641,7 @@ void saa7146_set_hps_source_and_sync(struct saa7146_dev *dev, int source, int sy vv->current_hps_source = source; vv->current_hps_sync = sync; } +EXPORT_SYMBOL_GPL(saa7146_set_hps_source_and_sync); int saa7146_enable_overlay(struct saa7146_fh *fh) {