]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/media/video/saa7110.c
V4L/DVB (11366): v4l: remove obsolete header and source
[linux-2.6-omap-h63xx.git] / drivers / media / video / saa7110.c
index 37860698f7826aaf2f77e86aefc57e411ccac667..df4e08d2dceb7d83f04fc6b1bd3749486c991b7a 100644 (file)
 #include <linux/wait.h>
 #include <asm/uaccess.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-i2c-drv-legacy.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
 
 MODULE_DESCRIPTION("Philips SAA7110 video decoder driver");
 MODULE_AUTHOR("Pauline Middelink");
 MODULE_LICENSE("GPL");
 
+
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
@@ -52,9 +53,10 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
 #define SAA7110_NR_REG         0x35
 
 struct saa7110 {
+       struct v4l2_subdev sd;
        u8 reg[SAA7110_NR_REG];
 
-       int norm;
+       v4l2_std_id norm;
        int input;
        int enable;
        int bright;
@@ -65,20 +67,28 @@ struct saa7110 {
        wait_queue_head_t wq;
 };
 
+static inline struct saa7110 *to_saa7110(struct v4l2_subdev *sd)
+{
+       return container_of(sd, struct saa7110, sd);
+}
+
 /* ----------------------------------------------------------------------- */
 /* I2C support functions                                                  */
 /* ----------------------------------------------------------------------- */
 
-static int saa7110_write(struct i2c_client *client, u8 reg, u8 value)
+static int saa7110_write(struct v4l2_subdev *sd, u8 reg, u8 value)
 {
-       struct saa7110 *decoder = i2c_get_clientdata(client);
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       struct saa7110 *decoder = to_saa7110(sd);
 
        decoder->reg[reg] = value;
        return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static int saa7110_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
+static int saa7110_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
 {
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       struct saa7110 *decoder = to_saa7110(sd);
        int ret = -1;
        u8 reg = *data;         /* first register to write to */
 
@@ -89,15 +99,13 @@ static int saa7110_write_block(struct i2c_client *client, const u8 *data, unsign
        /* the saa7110 has an autoincrement function, use it if
         * the adapter understands raw I2C */
        if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
-               struct saa7110 *decoder = i2c_get_clientdata(client);
-
                ret = i2c_master_send(client, data, len);
 
                /* Cache the written data */
                memcpy(decoder->reg + reg, data + 1, len - 1);
        } else {
                for (++data, --len; len; len--) {
-                       ret = saa7110_write(client, reg++, *data++);
+                       ret = saa7110_write(sd, reg++, *data++);
                        if (ret < 0)
                                break;
                }
@@ -106,8 +114,10 @@ static int saa7110_write_block(struct i2c_client *client, const u8 *data, unsign
        return ret;
 }
 
-static inline int saa7110_read(struct i2c_client *client)
+static inline int saa7110_read(struct v4l2_subdev *sd)
 {
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+
        return i2c_smbus_read_byte(client);
 }
 
@@ -115,11 +125,11 @@ static inline int saa7110_read(struct i2c_client *client)
 /* SAA7110 functions                                                      */
 /* ----------------------------------------------------------------------- */
 
-#define FRESP_06H_COMPST 0x03  //0x13
-#define FRESP_06H_SVIDEO 0x83  //0xC0
+#define FRESP_06H_COMPST 0x03  /*0x13*/
+#define FRESP_06H_SVIDEO 0x83  /*0xC0*/
 
 
-static int saa7110_selmux(struct i2c_client *client, int chan)
+static int saa7110_selmux(struct v4l2_subdev *sd, int chan)
 {
        static const unsigned char modes[9][8] = {
                /* mode 0 */
@@ -150,17 +160,17 @@ static int saa7110_selmux(struct i2c_client *client, int chan)
                {FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23,
                              0x44, 0x75, 0x21}
        };
-       struct saa7110 *decoder = i2c_get_clientdata(client);
+       struct saa7110 *decoder = to_saa7110(sd);
        const unsigned char *ptr = modes[chan];
 
-       saa7110_write(client, 0x06, ptr[0]);    /* Luminance control    */
-       saa7110_write(client, 0x20, ptr[1]);    /* Analog Control #1    */
-       saa7110_write(client, 0x21, ptr[2]);    /* Analog Control #2    */
-       saa7110_write(client, 0x22, ptr[3]);    /* Mixer Control #1     */
-       saa7110_write(client, 0x2C, ptr[4]);    /* Mixer Control #2     */
-       saa7110_write(client, 0x30, ptr[5]);    /* ADCs gain control    */
-       saa7110_write(client, 0x31, ptr[6]);    /* Mixer Control #3     */
-       saa7110_write(client, 0x21, ptr[7]);    /* Analog Control #2    */
+       saa7110_write(sd, 0x06, ptr[0]);        /* Luminance control    */
+       saa7110_write(sd, 0x20, ptr[1]);        /* Analog Control #1    */
+       saa7110_write(sd, 0x21, ptr[2]);        /* Analog Control #2    */
+       saa7110_write(sd, 0x22, ptr[3]);        /* Mixer Control #1     */
+       saa7110_write(sd, 0x2C, ptr[4]);        /* Mixer Control #2     */
+       saa7110_write(sd, 0x30, ptr[5]);        /* ADCs gain control    */
+       saa7110_write(sd, 0x31, ptr[6]);        /* Mixer Control #3     */
+       saa7110_write(sd, 0x21, ptr[7]);        /* Analog Control #2    */
        decoder->input = chan;
 
        return 0;
@@ -176,246 +186,260 @@ static const unsigned char initseq[1 + SAA7110_NR_REG] = {
        /* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02
 };
 
-static int determine_norm(struct i2c_client *client)
+static v4l2_std_id determine_norm(struct v4l2_subdev *sd)
 {
        DEFINE_WAIT(wait);
-       struct saa7110 *decoder = i2c_get_clientdata(client);
+       struct saa7110 *decoder = to_saa7110(sd);
        int status;
 
        /* mode changed, start automatic detection */
-       saa7110_write_block(client, initseq, sizeof(initseq));
-       saa7110_selmux(client, decoder->input);
+       saa7110_write_block(sd, initseq, sizeof(initseq));
+       saa7110_selmux(sd, decoder->input);
        prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
        schedule_timeout(msecs_to_jiffies(250));
        finish_wait(&decoder->wq, &wait);
-       status = saa7110_read(client);
+       status = saa7110_read(sd);
        if (status & 0x40) {
-               v4l_dbg(1, debug, client, "status=0x%02x (no signal)\n", status);
-               return decoder->norm;   // no change
+               v4l2_dbg(1, debug, sd, "status=0x%02x (no signal)\n", status);
+               return decoder->norm;   /* no change*/
        }
        if ((status & 3) == 0) {
-               saa7110_write(client, 0x06, 0x83);
+               saa7110_write(sd, 0x06, 0x83);
                if (status & 0x20) {
-                       v4l_dbg(1, debug, client, "status=0x%02x (NTSC/no color)\n", status);
-                       //saa7110_write(client,0x2E,0x81);
-                       return VIDEO_MODE_NTSC;
+                       v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC/no color)\n", status);
+                       /*saa7110_write(sd,0x2E,0x81);*/
+                       return V4L2_STD_NTSC;
                }
-               v4l_dbg(1, debug, client, "status=0x%02x (PAL/no color)\n", status);
-               //saa7110_write(client,0x2E,0x9A);
-               return VIDEO_MODE_PAL;
+               v4l2_dbg(1, debug, sd, "status=0x%02x (PAL/no color)\n", status);
+               /*saa7110_write(sd,0x2E,0x9A);*/
+               return V4L2_STD_PAL;
        }
-       //saa7110_write(client,0x06,0x03);
+       /*saa7110_write(sd,0x06,0x03);*/
        if (status & 0x20) {    /* 60Hz */
-               v4l_dbg(1, debug, client, "status=0x%02x (NTSC)\n", status);
-               saa7110_write(client, 0x0D, 0x86);
-               saa7110_write(client, 0x0F, 0x50);
-               saa7110_write(client, 0x11, 0x2C);
-               //saa7110_write(client,0x2E,0x81);
-               return VIDEO_MODE_NTSC;
+               v4l2_dbg(1, debug, sd, "status=0x%02x (NTSC)\n", status);
+               saa7110_write(sd, 0x0D, 0x86);
+               saa7110_write(sd, 0x0F, 0x50);
+               saa7110_write(sd, 0x11, 0x2C);
+               /*saa7110_write(sd,0x2E,0x81);*/
+               return V4L2_STD_NTSC;
        }
 
        /* 50Hz -> PAL/SECAM */
-       saa7110_write(client, 0x0D, 0x86);
-       saa7110_write(client, 0x0F, 0x10);
-       saa7110_write(client, 0x11, 0x59);
-       //saa7110_write(client,0x2E,0x9A);
+       saa7110_write(sd, 0x0D, 0x86);
+       saa7110_write(sd, 0x0F, 0x10);
+       saa7110_write(sd, 0x11, 0x59);
+       /*saa7110_write(sd,0x2E,0x9A);*/
 
        prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
        schedule_timeout(msecs_to_jiffies(250));
        finish_wait(&decoder->wq, &wait);
 
-       status = saa7110_read(client);
+       status = saa7110_read(sd);
        if ((status & 0x03) == 0x01) {
-               v4l_dbg(1, debug, client, "status=0x%02x (SECAM)\n", status);
-               saa7110_write(client, 0x0D, 0x87);
-               return VIDEO_MODE_SECAM;
+               v4l2_dbg(1, debug, sd, "status=0x%02x (SECAM)\n", status);
+               saa7110_write(sd, 0x0D, 0x87);
+               return V4L2_STD_SECAM;
        }
-       v4l_dbg(1, debug, client, "status=0x%02x (PAL)\n", status);
-       return VIDEO_MODE_PAL;
+       v4l2_dbg(1, debug, sd, "status=0x%02x (PAL)\n", status);
+       return V4L2_STD_PAL;
 }
 
-static int
-saa7110_command (struct i2c_client *client,
-                unsigned int       cmd,
-                void              *arg)
+static int saa7110_g_input_status(struct v4l2_subdev *sd, u32 *pstatus)
 {
-       struct saa7110 *decoder = i2c_get_clientdata(client);
-       int v;
+       struct saa7110 *decoder = to_saa7110(sd);
+       int res = V4L2_IN_ST_NO_SIGNAL;
+       int status = saa7110_read(sd);
+
+       v4l2_dbg(1, debug, sd, "status=0x%02x norm=%llx\n",
+                      status, (unsigned long long)decoder->norm);
+       if (!(status & 0x40))
+               res = 0;
+       if (!(status & 0x03))
+               res |= V4L2_IN_ST_NO_COLOR;
+
+       *pstatus = res;
+       return 0;
+}
 
-       switch (cmd) {
-       case 0:
-               //saa7110_write_block(client, initseq, sizeof(initseq));
-               break;
+static int saa7110_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+       *(v4l2_std_id *)std = determine_norm(sd);
+       return 0;
+}
 
-       case DECODER_GET_CAPABILITIES:
-       {
-               struct video_decoder_capability *dc = arg;
+static int saa7110_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+       struct saa7110 *decoder = to_saa7110(sd);
+
+       if (decoder->norm != std) {
+               decoder->norm = std;
+               /*saa7110_write(sd, 0x06, 0x03);*/
+               if (std & V4L2_STD_NTSC) {
+                       saa7110_write(sd, 0x0D, 0x86);
+                       saa7110_write(sd, 0x0F, 0x50);
+                       saa7110_write(sd, 0x11, 0x2C);
+                       /*saa7110_write(sd, 0x2E, 0x81);*/
+                       v4l2_dbg(1, debug, sd, "switched to NTSC\n");
+               } else if (std & V4L2_STD_PAL) {
+                       saa7110_write(sd, 0x0D, 0x86);
+                       saa7110_write(sd, 0x0F, 0x10);
+                       saa7110_write(sd, 0x11, 0x59);
+                       /*saa7110_write(sd, 0x2E, 0x9A);*/
+                       v4l2_dbg(1, debug, sd, "switched to PAL\n");
+               } else if (std & V4L2_STD_SECAM) {
+                       saa7110_write(sd, 0x0D, 0x87);
+                       saa7110_write(sd, 0x0F, 0x10);
+                       saa7110_write(sd, 0x11, 0x59);
+                       /*saa7110_write(sd, 0x2E, 0x9A);*/
+                       v4l2_dbg(1, debug, sd, "switched to SECAM\n");
+               } else {
+                       return -EINVAL;
+               }
+       }
+       return 0;
+}
 
-               dc->flags =
-                   VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC |
-                   VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
-               dc->inputs = SAA7110_MAX_INPUT;
-               dc->outputs = SAA7110_MAX_OUTPUT;
-               break;
+static int saa7110_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+       struct saa7110 *decoder = to_saa7110(sd);
+
+       if (route->input < 0 || route->input >= SAA7110_MAX_INPUT) {
+               v4l2_dbg(1, debug, sd, "input=%d not available\n", route->input);
+               return -EINVAL;
+       }
+       if (decoder->input != route->input) {
+               saa7110_selmux(sd, route->input);
+               v4l2_dbg(1, debug, sd, "switched to input=%d\n", route->input);
        }
+       return 0;
+}
 
-       case DECODER_GET_STATUS:
-       {
-               int status;
-               int res = 0;
-
-               status = saa7110_read(client);
-               v4l_dbg(1, debug, client, "status=0x%02x norm=%d\n",
-                              status, decoder->norm);
-               if (!(status & 0x40))
-                       res |= DECODER_STATUS_GOOD;
-               if (status & 0x03)
-                       res |= DECODER_STATUS_COLOR;
-
-               switch (decoder->norm) {
-               case VIDEO_MODE_NTSC:
-                       res |= DECODER_STATUS_NTSC;
-                       break;
-               case VIDEO_MODE_PAL:
-                       res |= DECODER_STATUS_PAL;
-                       break;
-               case VIDEO_MODE_SECAM:
-                       res |= DECODER_STATUS_SECAM;
-                       break;
-               }
-               *(int *) arg = res;
-               break;
+static int saa7110_s_stream(struct v4l2_subdev *sd, int enable)
+{
+       struct saa7110 *decoder = to_saa7110(sd);
+
+       if (decoder->enable != enable) {
+               decoder->enable = enable;
+               saa7110_write(sd, 0x0E, enable ? 0x18 : 0x80);
+               v4l2_dbg(1, debug, sd, "YUV %s\n", enable ? "on" : "off");
        }
+       return 0;
+}
 
-       case DECODER_SET_NORM:
-               v = *(int *) arg;
-               if (decoder->norm != v) {
-                       decoder->norm = v;
-                       //saa7110_write(client, 0x06, 0x03);
-                       switch (v) {
-                       case VIDEO_MODE_NTSC:
-                               saa7110_write(client, 0x0D, 0x86);
-                               saa7110_write(client, 0x0F, 0x50);
-                               saa7110_write(client, 0x11, 0x2C);
-                               //saa7110_write(client, 0x2E, 0x81);
-                               v4l_dbg(1, debug, client, "switched to NTSC\n");
-                               break;
-                       case VIDEO_MODE_PAL:
-                               saa7110_write(client, 0x0D, 0x86);
-                               saa7110_write(client, 0x0F, 0x10);
-                               saa7110_write(client, 0x11, 0x59);
-                               //saa7110_write(client, 0x2E, 0x9A);
-                               v4l_dbg(1, debug, client, "switched to PAL\n");
-                               break;
-                       case VIDEO_MODE_SECAM:
-                               saa7110_write(client, 0x0D, 0x87);
-                               saa7110_write(client, 0x0F, 0x10);
-                               saa7110_write(client, 0x11, 0x59);
-                               //saa7110_write(client, 0x2E, 0x9A);
-                               v4l_dbg(1, debug, client, "switched to SECAM\n");
-                               break;
-                       case VIDEO_MODE_AUTO:
-                               v4l_dbg(1, debug, client, "switched to AUTO\n");
-                               decoder->norm = determine_norm(client);
-                               *(int *) arg = decoder->norm;
-                               break;
-                       default:
-                               return -EPERM;
-                       }
-               }
-               break;
+static int saa7110_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+       switch (qc->id) {
+       case V4L2_CID_BRIGHTNESS:
+               return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+       case V4L2_CID_CONTRAST:
+       case V4L2_CID_SATURATION:
+               return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
+       case V4L2_CID_HUE:
+               return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
 
-       case DECODER_SET_INPUT:
-               v = *(int *) arg;
-               if (v < 0 || v >= SAA7110_MAX_INPUT) {
-                       v4l_dbg(1, debug, client, "input=%d not available\n", v);
-                       return -EINVAL;
-               }
-               if (decoder->input != v) {
-                       saa7110_selmux(client, v);
-                       v4l_dbg(1, debug, client, "switched to input=%d\n", v);
-               }
-               break;
+static int saa7110_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+       struct saa7110 *decoder = to_saa7110(sd);
 
-       case DECODER_SET_OUTPUT:
-               v = *(int *) arg;
-               /* not much choice of outputs */
-               if (v != 0)
-                       return -EINVAL;
+       switch (ctrl->id) {
+       case V4L2_CID_BRIGHTNESS:
+               ctrl->value = decoder->bright;
                break;
-
-       case DECODER_ENABLE_OUTPUT:
-               v = *(int *) arg;
-               if (decoder->enable != v) {
-                       decoder->enable = v;
-                       saa7110_write(client, 0x0E, v ? 0x18 : 0x80);
-                       v4l_dbg(1, debug, client, "YUV %s\n", v ? "on" : "off");
-               }
+       case V4L2_CID_CONTRAST:
+               ctrl->value = decoder->contrast;
+               break;
+       case V4L2_CID_SATURATION:
+               ctrl->value = decoder->sat;
+               break;
+       case V4L2_CID_HUE:
+               ctrl->value = decoder->hue;
                break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
 
-       case DECODER_SET_PICTURE:
-       {
-               struct video_picture *pic = arg;
+static int saa7110_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+       struct saa7110 *decoder = to_saa7110(sd);
 
-               if (decoder->bright != pic->brightness) {
-                       /* We want 0 to 255 we get 0-65535 */
-                       decoder->bright = pic->brightness;
-                       saa7110_write(client, 0x19, decoder->bright >> 8);
-               }
-               if (decoder->contrast != pic->contrast) {
-                       /* We want 0 to 127 we get 0-65535 */
-                       decoder->contrast = pic->contrast;
-                       saa7110_write(client, 0x13,
-                                     decoder->contrast >> 9);
+       switch (ctrl->id) {
+       case V4L2_CID_BRIGHTNESS:
+               if (decoder->bright != ctrl->value) {
+                       decoder->bright = ctrl->value;
+                       saa7110_write(sd, 0x19, decoder->bright);
                }
-               if (decoder->sat != pic->colour) {
-                       /* We want 0 to 127 we get 0-65535 */
-                       decoder->sat = pic->colour;
-                       saa7110_write(client, 0x12, decoder->sat >> 9);
+               break;
+       case V4L2_CID_CONTRAST:
+               if (decoder->contrast != ctrl->value) {
+                       decoder->contrast = ctrl->value;
+                       saa7110_write(sd, 0x13, decoder->contrast);
                }
-               if (decoder->hue != pic->hue) {
-                       /* We want -128 to 127 we get 0-65535 */
-                       decoder->hue = pic->hue;
-                       saa7110_write(client, 0x07,
-                                     (decoder->hue >> 8) - 128);
+               break;
+       case V4L2_CID_SATURATION:
+               if (decoder->sat != ctrl->value) {
+                       decoder->sat = ctrl->value;
+                       saa7110_write(sd, 0x12, decoder->sat);
                }
                break;
-       }
-
-       case DECODER_DUMP:
-               if (!debug)
-                       break;
-               for (v = 0; v < SAA7110_NR_REG; v += 16) {
-                       int j;
-                       v4l_dbg(1, debug, client, "%02x:", v);
-                       for (j = 0; j < 16 && v + j < SAA7110_NR_REG; j++)
-                               printk(KERN_CONT " %02x", decoder->reg[v + j]);
-                       printk(KERN_CONT "\n");
+       case V4L2_CID_HUE:
+               if (decoder->hue != ctrl->value) {
+                       decoder->hue = ctrl->value;
+                       saa7110_write(sd, 0x07, decoder->hue);
                }
                break;
-
        default:
-               v4l_dbg(1, debug, client, "unknown command %08x\n", cmd);
                return -EINVAL;
        }
        return 0;
 }
 
+static int saa7110_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+       return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SAA7110, 0);
+}
+
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
+static const struct v4l2_subdev_core_ops saa7110_core_ops = {
+       .g_chip_ident = saa7110_g_chip_ident,
+       .g_ctrl = saa7110_g_ctrl,
+       .s_ctrl = saa7110_s_ctrl,
+       .queryctrl = saa7110_queryctrl,
+};
 
-static unsigned short normal_i2c[] = { 0x9c >> 1, 0x9e >> 1, I2C_CLIENT_END };
+static const struct v4l2_subdev_tuner_ops saa7110_tuner_ops = {
+       .s_std = saa7110_s_std,
+};
 
-I2C_CLIENT_INSMOD;
+static const struct v4l2_subdev_video_ops saa7110_video_ops = {
+       .s_routing = saa7110_s_routing,
+       .s_stream = saa7110_s_stream,
+       .querystd = saa7110_querystd,
+       .g_input_status = saa7110_g_input_status,
+};
+
+static const struct v4l2_subdev_ops saa7110_ops = {
+       .core = &saa7110_core_ops,
+       .tuner = &saa7110_tuner_ops,
+       .video = &saa7110_video_ops,
+};
+
+/* ----------------------------------------------------------------------- */
 
 static int saa7110_probe(struct i2c_client *client,
                        const struct i2c_device_id *id)
 {
        struct saa7110 *decoder;
+       struct v4l2_subdev *sd;
        int rv;
 
        /* Check if the adapter supports the needed features */
@@ -429,7 +453,9 @@ static int saa7110_probe(struct i2c_client *client,
        decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
        if (!decoder)
                return -ENOMEM;
-       decoder->norm = VIDEO_MODE_PAL;
+       sd = &decoder->sd;
+       v4l2_i2c_subdev_init(sd, client, &saa7110_ops);
+       decoder->norm = V4L2_STD_PAL;
        decoder->input = 0;
        decoder->enable = 1;
        decoder->bright = 32768;
@@ -437,30 +463,29 @@ static int saa7110_probe(struct i2c_client *client,
        decoder->hue = 32768;
        decoder->sat = 32768;
        init_waitqueue_head(&decoder->wq);
-       i2c_set_clientdata(client, decoder);
 
-       rv = saa7110_write_block(client, initseq, sizeof(initseq));
+       rv = saa7110_write_block(sd, initseq, sizeof(initseq));
        if (rv < 0) {
-               v4l_dbg(1, debug, client, "init status %d\n", rv);
+               v4l2_dbg(1, debug, sd, "init status %d\n", rv);
        } else {
                int ver, status;
-               saa7110_write(client, 0x21, 0x10);
-               saa7110_write(client, 0x0e, 0x18);
-               saa7110_write(client, 0x0D, 0x04);
-               ver = saa7110_read(client);
-               saa7110_write(client, 0x0D, 0x06);
-               //mdelay(150);
-               status = saa7110_read(client);
-               v4l_dbg(1, debug, client, "version %x, status=0x%02x\n",
+               saa7110_write(sd, 0x21, 0x10);
+               saa7110_write(sd, 0x0e, 0x18);
+               saa7110_write(sd, 0x0D, 0x04);
+               ver = saa7110_read(sd);
+               saa7110_write(sd, 0x0D, 0x06);
+               /*mdelay(150);*/
+               status = saa7110_read(sd);
+               v4l2_dbg(1, debug, sd, "version %x, status=0x%02x\n",
                               ver, status);
-               saa7110_write(client, 0x0D, 0x86);
-               saa7110_write(client, 0x0F, 0x10);
-               saa7110_write(client, 0x11, 0x59);
-               //saa7110_write(client, 0x2E, 0x9A);
+               saa7110_write(sd, 0x0D, 0x86);
+               saa7110_write(sd, 0x0F, 0x10);
+               saa7110_write(sd, 0x11, 0x59);
+               /*saa7110_write(sd, 0x2E, 0x9A);*/
        }
 
-       //saa7110_selmux(client,0);
-       //determine_norm(client);
+       /*saa7110_selmux(sd,0);*/
+       /*determine_norm(sd);*/
        /* setup and implicit mode 0 select has been performed */
 
        return 0;
@@ -468,7 +493,10 @@ static int saa7110_probe(struct i2c_client *client,
 
 static int saa7110_remove(struct i2c_client *client)
 {
-       kfree(i2c_get_clientdata(client));
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+       v4l2_device_unregister_subdev(sd);
+       kfree(to_saa7110(sd));
        return 0;
 }
 
@@ -482,8 +510,6 @@ MODULE_DEVICE_TABLE(i2c, saa7110_id);
 
 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
        .name = "saa7110",
-       .driverid = I2C_DRIVERID_SAA7110,
-       .command = saa7110_command,
        .probe = saa7110_probe,
        .remove = saa7110_remove,
        .id_table = saa7110_id,