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[linux-2.6.git] / drivers / media / common / saa7146_hlp.c

diff --git a/drivers/media/common/saa7146_hlp.c b/drivers/media/common/saa7146_hlp.c
index 7bf6316..bdae7fa 100644 (file)
--- a/drivers/media/common/saa7146_hlp.c
+++ b/drivers/media/common/saa7146_hlp.c
@@ -9,6 +9,11 @@ static void calculate_output_format_register(struct saa7146_dev* saa, u32 palett
        *clip_format |=  (( ((palette&0xf00)>>8) << 30) | ((palette&0x00f) << 24) | (((palette&0x0f0)>>4) << 16));
 }
 
+static void calculate_bcs_ctrl_register(struct saa7146_dev *dev, int brightness, int contrast, int colour, u32 *bcs_ctrl)
+{
+       *bcs_ctrl = ((brightness << 24) | (contrast << 16) | (colour <<  0));
+}
+
 static void calculate_hps_source_and_sync(struct saa7146_dev *dev, int source, int sync, u32* hps_ctrl)
 {
        *hps_ctrl &= ~(MASK_30 | MASK_31 | MASK_28);
@@ -57,7 +62,7 @@ static struct {
 };
 
 /* table of attenuation values for horizontal scaling */
-static u8 h_attenuation[] = { 1, 2, 4, 8, 2, 4, 8, 16, 0};
+u8 h_attenuation[] = { 1, 2, 4, 8, 2, 4, 8, 16, 0};
 
 /* calculate horizontal scale registers */
 static int calculate_h_scale_registers(struct saa7146_dev *dev,
@@ -203,7 +208,7 @@ static struct {
 };
 
 /* table of attenuation values for vertical scaling */
-static u16 v_attenuation[] = { 2, 4, 8, 16, 32, 64, 128, 256, 0};
+u16 v_attenuation[] = { 2, 4, 8, 16, 32, 64, 128, 256, 0};
 
 /* calculate vertical scale registers */
 static int calculate_v_scale_registers(struct saa7146_dev *dev, enum v4l2_field field,
@@ -408,10 +413,10 @@ static void calculate_clipping_registers_rect(struct saa7146_dev *dev, struct sa
 
        /* fill up cliptable */
        for(i = 0; i < cnt_pixel; i++) {
-               clipping[2*i] |= cpu_to_le32(pixel_list[i] << 16);
+               clipping[2*i] |= (pixel_list[i] << 16);
        }
        for(i = 0; i < cnt_line; i++) {
-               clipping[(2*i)+1] |= cpu_to_le32(line_list[i] << 16);
+               clipping[(2*i)+1] |= (line_list[i] << 16);
        }
 
        /* fill up cliptable with the display infos */
@@ -425,7 +430,7 @@ static void calculate_clipping_registers_rect(struct saa7146_dev *dev, struct sa
                        if( pixel_list[i] < (x[j] + w[j])) {
                        
                                if ( pixel_list[i] >= x[j] ) {
-                                       clipping[2*i] |= cpu_to_le32(1 << j);
+                                       clipping[2*i] |= (1 << j);                      
                                }
                        }
                }
@@ -437,7 +442,7 @@ static void calculate_clipping_registers_rect(struct saa7146_dev *dev, struct sa
                        if( line_list[i] < (y[j] + h[j]) ) {
 
                                if( line_list[i] >= y[j] ) {
-                                       clipping[(2*i)+1] |= cpu_to_le32(1 << j);
+                                       clipping[(2*i)+1] |= (1 << j);                  
                                }
                        }
                }
@@ -555,10 +560,9 @@ static void saa7146_set_window(struct saa7146_dev *dev, int width, int height, e
 }
 
 /* calculate the new memory offsets for a desired position */
-static void saa7146_set_position(struct saa7146_dev *dev, int w_x, int w_y, int w_height, enum v4l2_field field, u32 pixelformat)
+static void saa7146_set_position(struct saa7146_dev *dev, int w_x, int w_y, int w_height, enum v4l2_field field)
 {      
        struct saa7146_vv *vv = dev->vv_data;
-       struct saa7146_format *sfmt = format_by_fourcc(dev, pixelformat);
 
        int b_depth = vv->ov_fmt->depth;
        int b_bpl = vv->ov_fb.fmt.bytesperline;
@@ -597,7 +601,7 @@ static void saa7146_set_position(struct saa7146_dev *dev, int w_x, int w_y, int
                vdma1.pitch *= -1;
        }
                
-       vdma1.base_page = sfmt->swap;
+       vdma1.base_page = 0;
        vdma1.num_line_byte = (vv->standard->v_field<<16)+vv->standard->h_pixels;
 
        saa7146_write_out_dma(dev, 1, &vdma1);
@@ -615,6 +619,18 @@ static void saa7146_set_output_format(struct saa7146_dev *dev, unsigned long pal
        saa7146_write(dev, MC2, (MASK_05 | MASK_21));
 }
 
+void saa7146_set_picture_prop(struct saa7146_dev *dev, int brightness, int contrast, int colour)
+{
+       u32     bcs_ctrl = 0;
+       
+       calculate_bcs_ctrl_register(dev, brightness, contrast, colour, &bcs_ctrl);
+       saa7146_write(dev, BCS_CTRL, bcs_ctrl);
+       
+       /* update the bcs register */
+       saa7146_write(dev, MC2, (MASK_06 | MASK_22));
+}
+
+
 /* select input-source */
 void saa7146_set_hps_source_and_sync(struct saa7146_dev *dev, int source, int sync)
 {
@@ -641,7 +657,7 @@ int saa7146_enable_overlay(struct saa7146_fh *fh)
        struct saa7146_vv *vv = dev->vv_data;
 
        saa7146_set_window(dev, fh->ov.win.w.width, fh->ov.win.w.height, fh->ov.win.field);
-       saa7146_set_position(dev, fh->ov.win.w.left, fh->ov.win.w.top, fh->ov.win.w.height, fh->ov.win.field, vv->ov_fmt->pixelformat);
+       saa7146_set_position(dev, fh->ov.win.w.left, fh->ov.win.w.top, fh->ov.win.w.height, fh->ov.win.field);
        saa7146_set_output_format(dev, vv->ov_fmt->trans);
        saa7146_set_clipping_rect(fh);
 
@@ -711,7 +727,7 @@ static int calculate_video_dma_grab_packed(struct saa7146_dev* dev, struct saa71
        vdma1.pitch             = (width*depth*2)/8;
        }
        vdma1.num_line_byte     = ((vv->standard->v_field<<16) + vv->standard->h_pixels);
-       vdma1.base_page         = buf->pt[0].dma | ME1 | sfmt->swap;
+       vdma1.base_page         = buf->pt[0].dma | ME1;
        
        if( 0 != vv->vflip ) {
                vdma1.prot_addr = buf->pt[0].offset;