Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[pandora-kernel.git] / drivers / media / video / cx25840 / cx25840-vbi.c
index 03f09b2..35f6592 100644 (file)
@@ -82,199 +82,181 @@ static int decode_vps(u8 * dst, u8 * p)
        return err & 0xf0;
 }
 
-int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg)
+int cx25840_vbi_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
 {
-       struct cx25840_state *state = to_state(i2c_get_clientdata(client));
-       struct v4l2_format *fmt;
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       struct cx25840_state *state = to_state(sd);
        struct v4l2_sliced_vbi_format *svbi;
+       static const u16 lcr2vbi[] = {
+               0, V4L2_SLICED_TELETEXT_B, 0,   /* 1 */
+               0, V4L2_SLICED_WSS_625, 0,      /* 4 */
+               V4L2_SLICED_CAPTION_525,        /* 6 */
+               0, 0, V4L2_SLICED_VPS, 0, 0,    /* 9 */
+               0, 0, 0, 0
+       };
+       int is_pal = !(state->std & V4L2_STD_525_60);
+       int i;
 
-       switch (cmd) {
-       case VIDIOC_G_FMT:
-       {
-               static u16 lcr2vbi[] = {
-                       0, V4L2_SLICED_TELETEXT_B, 0,   /* 1 */
-                       0, V4L2_SLICED_WSS_625, 0,      /* 4 */
-                       V4L2_SLICED_CAPTION_525,        /* 6 */
-                       0, 0, V4L2_SLICED_VPS, 0, 0,    /* 9 */
-                       0, 0, 0, 0
-               };
-               int is_pal = !(state->std & V4L2_STD_525_60);
-               int i;
-
-               fmt = arg;
-               if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
-                       return -EINVAL;
-               svbi = &fmt->fmt.sliced;
-               memset(svbi, 0, sizeof(*svbi));
-               /* we're done if raw VBI is active */
-               if ((cx25840_read(client, 0x404) & 0x10) == 0)
-                       break;
+       if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+               return -EINVAL;
+       svbi = &fmt->fmt.sliced;
+       memset(svbi, 0, sizeof(*svbi));
+       /* we're done if raw VBI is active */
+       if ((cx25840_read(client, 0x404) & 0x10) == 0)
+               return 0;
 
-               if (is_pal) {
-                       for (i = 7; i <= 23; i++) {
-                               u8 v = cx25840_read(client, 0x424 + i - 7);
+       if (is_pal) {
+               for (i = 7; i <= 23; i++) {
+                       u8 v = cx25840_read(client, 0x424 + i - 7);
 
-                               svbi->service_lines[0][i] = lcr2vbi[v >> 4];
-                               svbi->service_lines[1][i] = lcr2vbi[v & 0xf];
-                               svbi->service_set |=
-                                       svbi->service_lines[0][i] | svbi->service_lines[1][i];
-                       }
+                       svbi->service_lines[0][i] = lcr2vbi[v >> 4];
+                       svbi->service_lines[1][i] = lcr2vbi[v & 0xf];
+                       svbi->service_set |= svbi->service_lines[0][i] |
+                                            svbi->service_lines[1][i];
                }
-               else {
-                       for (i = 10; i <= 21; i++) {
-                               u8 v = cx25840_read(client, 0x424 + i - 10);
-
-                               svbi->service_lines[0][i] = lcr2vbi[v >> 4];
-                               svbi->service_lines[1][i] = lcr2vbi[v & 0xf];
-                               svbi->service_set |=
-                                       svbi->service_lines[0][i] | svbi->service_lines[1][i];
-                       }
+       } else {
+               for (i = 10; i <= 21; i++) {
+                       u8 v = cx25840_read(client, 0x424 + i - 10);
+
+                       svbi->service_lines[0][i] = lcr2vbi[v >> 4];
+                       svbi->service_lines[1][i] = lcr2vbi[v & 0xf];
+                       svbi->service_set |= svbi->service_lines[0][i] |
+                                            svbi->service_lines[1][i];
                }
-               break;
        }
+       return 0;
+}
 
-       case VIDIOC_S_FMT:
-       {
-               int is_pal = !(state->std & V4L2_STD_525_60);
-               int vbi_offset = is_pal ? 1 : 0;
-               int i, x;
-               u8 lcr[24];
-
-               fmt = arg;
-               if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE &&
-                   fmt->type != V4L2_BUF_TYPE_VBI_CAPTURE)
-                       return -EINVAL;
-               svbi = &fmt->fmt.sliced;
-               if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
-                       /* raw VBI */
-                       memset(svbi, 0, sizeof(*svbi));
-
-                       /* Setup standard */
-                       cx25840_std_setup(client);
-
-                       /* VBI Offset */
-                       cx25840_write(client, 0x47f, vbi_offset);
-                       cx25840_write(client, 0x404, 0x2e);
-                       break;
-               }
-
-               for (x = 0; x <= 23; x++)
-                       lcr[x] = 0x00;
+int cx25840_vbi_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       struct cx25840_state *state = to_state(sd);
+       struct v4l2_sliced_vbi_format *svbi;
+       int is_pal = !(state->std & V4L2_STD_525_60);
+       int vbi_offset = is_pal ? 1 : 0;
+       int i, x;
+       u8 lcr[24];
+
+       if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE &&
+                       fmt->type != V4L2_BUF_TYPE_VBI_CAPTURE)
+               return -EINVAL;
+       svbi = &fmt->fmt.sliced;
+       if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+               /* raw VBI */
+               memset(svbi, 0, sizeof(*svbi));
 
                /* Setup standard */
                cx25840_std_setup(client);
 
-               /* Sliced VBI */
-               cx25840_write(client, 0x404, 0x32);     /* Ancillary data */
-               cx25840_write(client, 0x406, 0x13);
+               /* VBI Offset */
                cx25840_write(client, 0x47f, vbi_offset);
+               cx25840_write(client, 0x404, 0x2e);
+               return 0;
+       }
 
-               if (is_pal) {
-                       for (i = 0; i <= 6; i++)
-                               svbi->service_lines[0][i] =
-                                       svbi->service_lines[1][i] = 0;
-               } else {
-                       for (i = 0; i <= 9; i++)
-                               svbi->service_lines[0][i] =
-                                       svbi->service_lines[1][i] = 0;
-
-                       for (i = 22; i <= 23; i++)
-                               svbi->service_lines[0][i] =
-                                       svbi->service_lines[1][i] = 0;
-               }
-
-               for (i = 7; i <= 23; i++) {
-                       for (x = 0; x <= 1; x++) {
-                               switch (svbi->service_lines[1-x][i]) {
-                               case V4L2_SLICED_TELETEXT_B:
-                                       lcr[i] |= 1 << (4 * x);
-                                       break;
-                               case V4L2_SLICED_WSS_625:
-                                       lcr[i] |= 4 << (4 * x);
-                                       break;
-                               case V4L2_SLICED_CAPTION_525:
-                                       lcr[i] |= 6 << (4 * x);
-                                       break;
-                               case V4L2_SLICED_VPS:
-                                       lcr[i] |= 9 << (4 * x);
-                                       break;
-                               }
-                       }
-               }
+       for (x = 0; x <= 23; x++)
+               lcr[x] = 0x00;
+
+       /* Setup standard */
+       cx25840_std_setup(client);
+
+       /* Sliced VBI */
+       cx25840_write(client, 0x404, 0x32);     /* Ancillary data */
+       cx25840_write(client, 0x406, 0x13);
+       cx25840_write(client, 0x47f, vbi_offset);
+
+       if (is_pal) {
+               for (i = 0; i <= 6; i++)
+                       svbi->service_lines[0][i] =
+                               svbi->service_lines[1][i] = 0;
+       } else {
+               for (i = 0; i <= 9; i++)
+                       svbi->service_lines[0][i] =
+                               svbi->service_lines[1][i] = 0;
+
+               for (i = 22; i <= 23; i++)
+                       svbi->service_lines[0][i] =
+                               svbi->service_lines[1][i] = 0;
+       }
 
-               if (is_pal) {
-                       for (x = 1, i = 0x424; i <= 0x434; i++, x++) {
-                               cx25840_write(client, i, lcr[6 + x]);
-                       }
-               }
-               else {
-                       for (x = 1, i = 0x424; i <= 0x430; i++, x++) {
-                               cx25840_write(client, i, lcr[9 + x]);
-                       }
-                       for (i = 0x431; i <= 0x434; i++) {
-                               cx25840_write(client, i, 0);
+       for (i = 7; i <= 23; i++) {
+               for (x = 0; x <= 1; x++) {
+                       switch (svbi->service_lines[1-x][i]) {
+                       case V4L2_SLICED_TELETEXT_B:
+                               lcr[i] |= 1 << (4 * x);
+                               break;
+                       case V4L2_SLICED_WSS_625:
+                               lcr[i] |= 4 << (4 * x);
+                               break;
+                       case V4L2_SLICED_CAPTION_525:
+                               lcr[i] |= 6 << (4 * x);
+                               break;
+                       case V4L2_SLICED_VPS:
+                               lcr[i] |= 9 << (4 * x);
+                               break;
                        }
                }
+       }
 
-               cx25840_write(client, 0x43c, 0x16);
-
-               if (is_pal) {
-                       cx25840_write(client, 0x474, 0x2a);
-               } else {
-                       cx25840_write(client, 0x474, 0x22);
-               }
-               break;
+       if (is_pal) {
+               for (x = 1, i = 0x424; i <= 0x434; i++, x++)
+                       cx25840_write(client, i, lcr[6 + x]);
+       } else {
+               for (x = 1, i = 0x424; i <= 0x430; i++, x++)
+                       cx25840_write(client, i, lcr[9 + x]);
+               for (i = 0x431; i <= 0x434; i++)
+                       cx25840_write(client, i, 0);
        }
 
-       case VIDIOC_INT_DECODE_VBI_LINE:
-       {
-               struct v4l2_decode_vbi_line *vbi = arg;
-               u8 *p = vbi->p;
-               int id1, id2, l, err = 0;
+       cx25840_write(client, 0x43c, 0x16);
+       cx25840_write(client, 0x474, is_pal ? 0x2a : 0x22);
+       return 0;
+}
 
-               if (p[0] || p[1] != 0xff || p[2] != 0xff ||
-                   (p[3] != 0x55 && p[3] != 0x91)) {
-                       vbi->line = vbi->type = 0;
-                       break;
-               }
+int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi)
+{
+       struct cx25840_state *state = to_state(sd);
+       u8 *p = vbi->p;
+       int id1, id2, l, err = 0;
+
+       if (p[0] || p[1] != 0xff || p[2] != 0xff ||
+                       (p[3] != 0x55 && p[3] != 0x91)) {
+               vbi->line = vbi->type = 0;
+               return 0;
+       }
 
-               p += 4;
-               id1 = p[-1];
-               id2 = p[0] & 0xf;
-               l = p[2] & 0x3f;
-               l += state->vbi_line_offset;
-               p += 4;
+       p += 4;
+       id1 = p[-1];
+       id2 = p[0] & 0xf;
+       l = p[2] & 0x3f;
+       l += state->vbi_line_offset;
+       p += 4;
 
-               switch (id2) {
-               case 1:
-                       id2 = V4L2_SLICED_TELETEXT_B;
-                       break;
-               case 4:
-                       id2 = V4L2_SLICED_WSS_625;
-                       break;
-               case 6:
-                       id2 = V4L2_SLICED_CAPTION_525;
-                       err = !odd_parity(p[0]) || !odd_parity(p[1]);
-                       break;
-               case 9:
-                       id2 = V4L2_SLICED_VPS;
-                       if (decode_vps(p, p) != 0) {
-                               err = 1;
-                       }
-                       break;
-               default:
-                       id2 = 0;
+       switch (id2) {
+       case 1:
+               id2 = V4L2_SLICED_TELETEXT_B;
+               break;
+       case 4:
+               id2 = V4L2_SLICED_WSS_625;
+               break;
+       case 6:
+               id2 = V4L2_SLICED_CAPTION_525;
+               err = !odd_parity(p[0]) || !odd_parity(p[1]);
+               break;
+       case 9:
+               id2 = V4L2_SLICED_VPS;
+               if (decode_vps(p, p) != 0)
                        err = 1;
-                       break;
-               }
-
-               vbi->type = err ? 0 : id2;
-               vbi->line = err ? 0 : l;
-               vbi->is_second_field = err ? 0 : (id1 == 0x55);
-               vbi->p = p;
                break;
-       }
+       default:
+               id2 = 0;
+               err = 1;
+               break;
        }
 
+       vbi->type = err ? 0 : id2;
+       vbi->line = err ? 0 : l;
+       vbi->is_second_field = err ? 0 : (id1 == 0x55);
+       vbi->p = p;
        return 0;
 }