]> nv-tegra.nvidia Code Review - linux-2.6.git/blobdiff - drivers/media/video/bt8xx/bttv-driver.c
V4L/DVB (13553): v4l: Use the video_is_registered function in device drivers
[linux-2.6.git] / drivers / media / video / bt8xx / bttv-driver.c
index 061f52ba824a705d3fc1f799f587cdd1ba9e7c17..a2336915ca70903f13995e02cd9c42c0f1799c79 100644 (file)
 #include <linux/fs.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/interrupt.h>
 #include <linux/kdev_t.h>
 #include "bttvp.h"
 #include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
 #include <media/tvaudio.h>
 #include <media/msp3400.h>
 
@@ -57,7 +59,7 @@
 
 
 unsigned int bttv_num;                 /* number of Bt848s in use */
-struct bttv bttvs[BTTV_MAX];
+struct bttv *bttvs[BTTV_MAX];
 
 unsigned int bttv_debug;
 unsigned int bttv_verbose = 1;
@@ -75,9 +77,9 @@ static unsigned int gbuffers = 8;
 static unsigned int gbufsize = 0x208000;
 static unsigned int reset_crop = 1;
 
-static int video_nr = -1;
-static int radio_nr = -1;
-static int vbi_nr = -1;
+static int video_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
+static int radio_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
+static int vbi_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
 static int debug_latency;
 
 static unsigned int fdsr;
@@ -95,7 +97,6 @@ static unsigned int irq_iswitch;
 static unsigned int uv_ratio    = 50;
 static unsigned int full_luma_range;
 static unsigned int coring;
-extern int no_overlay;
 
 /* API features (turn on/off stuff for testing) */
 static unsigned int v4l2        = 1;
@@ -108,9 +109,6 @@ module_param(irq_debug,         int, 0644);
 module_param(debug_latency,     int, 0644);
 
 module_param(fdsr,              int, 0444);
-module_param(video_nr,          int, 0444);
-module_param(radio_nr,          int, 0444);
-module_param(vbi_nr,            int, 0444);
 module_param(gbuffers,          int, 0444);
 module_param(gbufsize,          int, 0444);
 module_param(reset_crop,        int, 0444);
@@ -130,7 +128,10 @@ module_param(uv_ratio,          int, 0444);
 module_param(full_luma_range,   int, 0444);
 module_param(coring,            int, 0444);
 
-module_param_array(radio, int, NULL, 0444);
+module_param_array(radio,       int, NULL, 0444);
+module_param_array(video_nr,    int, NULL, 0444);
+module_param_array(radio_nr,    int, NULL, 0444);
+module_param_array(vbi_nr,      int, NULL, 0444);
 
 MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)");
 MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian");
@@ -152,6 +153,9 @@ MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler");
 MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50");
 MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)");
 MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)");
+MODULE_PARM_DESC(video_nr, "video device numbers");
+MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
+MODULE_PARM_DESC(radio_nr, "radio device numbers");
 
 MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
 MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
@@ -163,8 +167,8 @@ MODULE_LICENSE("GPL");
 static ssize_t show_card(struct device *cd,
                         struct device_attribute *attr, char *buf)
 {
-       struct video_device *vfd = container_of(cd, struct video_device, class_dev);
-       struct bttv *btv = dev_get_drvdata(vfd->dev);
+       struct video_device *vfd = container_of(cd, struct video_device, dev);
+       struct bttv *btv = video_get_drvdata(vfd);
        return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
 }
 static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
@@ -476,7 +480,7 @@ static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
 /* ----------------------------------------------------------------------- */
 /* bttv format list
    packed pixel formats must come first */
-static const struct bttv_format bttv_formats[] = {
+static const struct bttv_format formats[] = {
        {
                .name     = "8 bpp, gray",
                .fourcc   = V4L2_PIX_FMT_GREY,
@@ -609,7 +613,7 @@ static const struct bttv_format bttv_formats[] = {
                .flags    = FORMAT_FLAGS_RAW,
        }
 };
-static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats);
+static const unsigned int FORMATS = ARRAY_SIZE(formats);
 
 /* ----------------------------------------------------------------------- */
 
@@ -785,7 +789,17 @@ static const struct v4l2_queryctrl bttv_ctls[] = {
 
 
 };
-static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls);
+
+static const struct v4l2_queryctrl *ctrl_by_id(int id)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(bttv_ctls); i++)
+               if (bttv_ctls[i].id == id)
+                       return bttv_ctls+i;
+
+       return NULL;
+}
 
 /* ----------------------------------------------------------------------- */
 /* resource management                                                     */
@@ -1027,7 +1041,7 @@ static void bt848A_set_timing(struct bttv *btv)
        int table_idx = bttv_tvnorms[btv->tvnorm].sram;
        int fsc       = bttv_tvnorms[btv->tvnorm].Fsc;
 
-       if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) {
+       if (btv->input == btv->dig) {
                dprintk("bttv%d: load digital timing table (table_idx=%d)\n",
                        btv->c.nr,table_idx);
 
@@ -1129,7 +1143,7 @@ video_mux(struct bttv *btv, unsigned int input)
                btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
                btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
        }
-       mux = bttv_tvcards[btv->c.type].muxsel[input] & 3;
+       mux = bttv_muxsel(btv, input);
        btaor(mux<<5, ~(3<<5), BT848_IFORM);
        dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n",
                btv->c.nr,input,mux);
@@ -1150,7 +1164,6 @@ audio_mux(struct bttv *btv, int input, int mute)
 {
        int gpio_val, signal;
        struct v4l2_control ctrl;
-       struct i2c_client *c;
 
        gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
                   bttv_tvcards[btv->c.type].gpiomask);
@@ -1167,7 +1180,16 @@ audio_mux(struct bttv *btv, int input, int mute)
        else
                gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
 
-       gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
+       switch (btv->c.type) {
+       case BTTV_BOARD_VOODOOTV_FM:
+       case BTTV_BOARD_VOODOOTV_200:
+               gpio_val = bttv_tda9880_setnorm(btv, gpio_val);
+               break;
+
+       default:
+               gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
+       }
+
        if (bttv_gpio)
                bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]);
        if (in_interrupt())
@@ -1175,10 +1197,9 @@ audio_mux(struct bttv *btv, int input, int mute)
 
        ctrl.id = V4L2_CID_AUDIO_MUTE;
        ctrl.value = btv->mute;
-       bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl);
-       c = btv->i2c_msp34xx_client;
-       if (c) {
-               struct v4l2_routing route;
+       bttv_call_all(btv, core, s_ctrl, &ctrl);
+       if (btv->sd_msp34xx) {
+               u32 in;
 
                /* Note: the inputs tuner/radio/extern/intern are translated
                   to msp routings. This assumes common behavior for all msp3400
@@ -1187,11 +1208,11 @@ audio_mux(struct bttv *btv, int input, int mute)
                   For now this is sufficient. */
                switch (input) {
                case TVAUDIO_INPUT_RADIO:
-                       route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
+                       in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
                                    MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
                        break;
                case TVAUDIO_INPUT_EXTERN:
-                       route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
+                       in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
                                    MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
                        break;
                case TVAUDIO_INPUT_INTERN:
@@ -1200,7 +1221,7 @@ audio_mux(struct bttv *btv, int input, int mute)
                           input is the BTTV_BOARD_AVERMEDIA98. I wonder how
                           that was tested. My guess is that the whole INTERN
                           input does not work. */
-                       route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
+                       in = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
                                    MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
                        break;
                case TVAUDIO_INPUT_TUNER:
@@ -1209,22 +1230,18 @@ audio_mux(struct bttv *btv, int input, int mute)
                           is the only difference between the VOODOOTV_FM
                           and VOODOOTV_200 */
                        if (btv->c.type == BTTV_BOARD_VOODOOTV_200)
-                               route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
+                               in = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
                                        MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
                        else
-                               route.input = MSP_INPUT_DEFAULT;
+                               in = MSP_INPUT_DEFAULT;
                        break;
                }
-               route.output = MSP_OUTPUT_DEFAULT;
-               c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
+               v4l2_subdev_call(btv->sd_msp34xx, audio, s_routing,
+                              in, MSP_OUTPUT_DEFAULT, 0);
        }
-       c = btv->i2c_tvaudio_client;
-       if (c) {
-               struct v4l2_routing route;
-
-               route.input = input;
-               route.output = 0;
-               c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
+       if (btv->sd_tvaudio) {
+               v4l2_subdev_call(btv->sd_tvaudio, audio, s_routing,
+                               input, 0, 0);
        }
        return 0;
 }
@@ -1264,7 +1281,7 @@ bttv_crop_calc_limits(struct bttv_crop *c)
 }
 
 static void
-bttv_crop_reset(struct bttv_crop *c, int norm)
+bttv_crop_reset(struct bttv_crop *c, unsigned int norm)
 {
        c->rect = bttv_tvnorms[norm].cropcap.defrect;
        bttv_crop_calc_limits(c);
@@ -1277,16 +1294,13 @@ set_tvnorm(struct bttv *btv, unsigned int norm)
        const struct bttv_tvnorm *tvnorm;
        v4l2_std_id id;
 
-       if (norm < 0 || norm >= BTTV_TVNORMS)
-               return -EINVAL;
+       BUG_ON(norm >= BTTV_TVNORMS);
+       BUG_ON(btv->tvnorm >= BTTV_TVNORMS);
 
        tvnorm = &bttv_tvnorms[norm];
 
-       if (btv->tvnorm < 0 ||
-           btv->tvnorm >= BTTV_TVNORMS ||
-           0 != memcmp(&bttv_tvnorms[btv->tvnorm].cropcap,
-                       &tvnorm->cropcap,
-                       sizeof (tvnorm->cropcap))) {
+       if (memcmp(&bttv_tvnorms[btv->tvnorm].cropcap, &tvnorm->cropcap,
+                   sizeof (tvnorm->cropcap))) {
                bttv_crop_reset(&btv->crop[0], norm);
                btv->crop[1] = btv->crop[0]; /* current = default */
 
@@ -1309,11 +1323,11 @@ set_tvnorm(struct bttv *btv, unsigned int norm)
        switch (btv->c.type) {
        case BTTV_BOARD_VOODOOTV_FM:
        case BTTV_BOARD_VOODOOTV_200:
-               bttv_tda9880_setnorm(btv,norm);
+               bttv_tda9880_setnorm(btv, gpio_read());
                break;
        }
        id = tvnorm->v4l2_id;
-       bttv_call_i2c_clients(btv, VIDIOC_S_STD, &id);
+       bttv_call_all(btv, core, s_std, id);
 
        return 0;
 }
@@ -1337,8 +1351,8 @@ set_input(struct bttv *btv, unsigned int input, unsigned int norm)
        } else {
                video_mux(btv,input);
        }
-       audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ?
-                      TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN));
+       audio_input(btv, (btv->tuner_type != TUNER_ABSENT && input == 0) ?
+                        TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN);
        set_tvnorm(btv, norm);
 }
 
@@ -1357,7 +1371,7 @@ static void init_irqreg(struct bttv *btv)
                        (btv->gpioirq ? BT848_INT_GPINT : 0) |
                        BT848_INT_SCERR |
                        (fdsr ? BT848_INT_FDSR : 0) |
-                       BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES|
+                       BT848_INT_RISCI | BT848_INT_OCERR |
                        BT848_INT_FMTCHG|BT848_INT_HLOCK|
                        BT848_INT_I2CDONE,
                        BT848_INT_MASK);
@@ -1432,41 +1446,12 @@ static void bttv_reinit_bt848(struct bttv *btv)
        set_input(btv, btv->input, btv->tvnorm);
 }
 
-static int get_control(struct bttv *btv, struct v4l2_control *c)
+static int bttv_g_ctrl(struct file *file, void *priv,
+                                       struct v4l2_control *c)
 {
-       int i;
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-       for (i = 0; i < BTTV_CTLS; i++)
-               if (bttv_ctls[i].id == c->id)
-                       break;
-       if (i == BTTV_CTLS)
-               return -EINVAL;
-#ifdef CONFIG_VIDEO_V4L1
-       if (btv->audio_hook && i >= 4 && i <= 8) {
-               struct video_audio va;
-
-               memset(&va,0,sizeof(va));
-               btv->audio_hook(btv,&va,0);
-               switch (c->id) {
-               case V4L2_CID_AUDIO_MUTE:
-                       c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0;
-                       break;
-               case V4L2_CID_AUDIO_VOLUME:
-                       c->value = va.volume;
-                       break;
-               case V4L2_CID_AUDIO_BALANCE:
-                       c->value = va.balance;
-                       break;
-               case V4L2_CID_AUDIO_BASS:
-                       c->value = va.bass;
-                       break;
-               case V4L2_CID_AUDIO_TREBLE:
-                       c->value = va.treble;
-                       break;
-               }
-               return 0;
-       }
-#endif
        switch (c->id) {
        case V4L2_CID_BRIGHTNESS:
                c->value = btv->bright;
@@ -1486,7 +1471,7 @@ static int get_control(struct bttv *btv, struct v4l2_control *c)
        case V4L2_CID_AUDIO_BALANCE:
        case V4L2_CID_AUDIO_BASS:
        case V4L2_CID_AUDIO_TREBLE:
-               bttv_call_i2c_clients(btv,VIDIOC_G_CTRL,c);
+               bttv_call_all(btv, core, g_ctrl, c);
                break;
 
        case V4L2_CID_PRIVATE_CHROMA_AGC:
@@ -1528,70 +1513,44 @@ static int get_control(struct bttv *btv, struct v4l2_control *c)
        return 0;
 }
 
-static int set_control(struct bttv *btv, struct v4l2_control *c)
+static int bttv_s_ctrl(struct file *file, void *f,
+                                       struct v4l2_control *c)
 {
-       int i,val;
+       int err;
+       int val;
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
 
-       for (i = 0; i < BTTV_CTLS; i++)
-               if (bttv_ctls[i].id == c->id)
-                       break;
-       if (i == BTTV_CTLS)
-               return -EINVAL;
-#ifdef CONFIG_VIDEO_V4L1
-       if (btv->audio_hook && i >= 4 && i <= 8) {
-               struct video_audio va;
-
-               memset(&va,0,sizeof(va));
-               btv->audio_hook(btv,&va,0);
-               switch (c->id) {
-               case V4L2_CID_AUDIO_MUTE:
-                       if (c->value) {
-                               va.flags |= VIDEO_AUDIO_MUTE;
-                               audio_mute(btv, 1);
-                       } else {
-                               va.flags &= ~VIDEO_AUDIO_MUTE;
-                               audio_mute(btv, 0);
-                       }
-                       break;
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
 
-               case V4L2_CID_AUDIO_VOLUME:
-                       va.volume = c->value;
-                       break;
-               case V4L2_CID_AUDIO_BALANCE:
-                       va.balance = c->value;
-                       break;
-               case V4L2_CID_AUDIO_BASS:
-                       va.bass = c->value;
-                       break;
-               case V4L2_CID_AUDIO_TREBLE:
-                       va.treble = c->value;
-                       break;
-               }
-               btv->audio_hook(btv,&va,1);
-               return 0;
-       }
-#endif
        switch (c->id) {
        case V4L2_CID_BRIGHTNESS:
-               bt848_bright(btv,c->value);
+               bt848_bright(btv, c->value);
                break;
        case V4L2_CID_HUE:
-               bt848_hue(btv,c->value);
+               bt848_hue(btv, c->value);
                break;
        case V4L2_CID_CONTRAST:
-               bt848_contrast(btv,c->value);
+               bt848_contrast(btv, c->value);
                break;
        case V4L2_CID_SATURATION:
-               bt848_sat(btv,c->value);
+               bt848_sat(btv, c->value);
                break;
        case V4L2_CID_AUDIO_MUTE:
                audio_mute(btv, c->value);
                /* fall through */
        case V4L2_CID_AUDIO_VOLUME:
+               if (btv->volume_gpio)
+                       btv->volume_gpio(btv, c->value);
+
+               bttv_call_all(btv, core, s_ctrl, c);
+               break;
        case V4L2_CID_AUDIO_BALANCE:
        case V4L2_CID_AUDIO_BASS:
        case V4L2_CID_AUDIO_TREBLE:
-               bttv_call_i2c_clients(btv,VIDIOC_S_CTRL,c);
+               bttv_call_all(btv, core, s_ctrl, c);
                break;
 
        case V4L2_CID_PRIVATE_CHROMA_AGC:
@@ -1618,8 +1577,9 @@ static int set_control(struct bttv *btv, struct v4l2_control *c)
                break;
        case V4L2_CID_PRIVATE_AGC_CRUSH:
                btv->opt_adc_crush = c->value;
-               btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
-                       BT848_ADC);
+               btwrite(BT848_ADC_RESERVED |
+                               (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
+                               BT848_ADC);
                break;
        case V4L2_CID_PRIVATE_VCR_HACK:
                btv->opt_vcr_hack = c->value;
@@ -1683,11 +1643,11 @@ format_by_fourcc(int fourcc)
 {
        unsigned int i;
 
-       for (i = 0; i < BTTV_FORMATS; i++) {
-               if (-1 == bttv_formats[i].fourcc)
+       for (i = 0; i < FORMATS; i++) {
+               if (-1 == formats[i].fourcc)
                        continue;
-               if (bttv_formats[i].fourcc == fourcc)
-                       return bttv_formats+i;
+               if (formats[i].fourcc == fourcc)
+                       return formats+i;
        }
        return NULL;
 }
@@ -1705,7 +1665,7 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
 
        dprintk("switch_overlay: enter [new=%p]\n",new);
        if (new)
-               new->vb.state = STATE_DONE;
+               new->vb.state = VIDEOBUF_DONE;
        spin_lock_irqsave(&btv->s_lock,flags);
        old = btv->screen;
        btv->screen = new;
@@ -1816,7 +1776,7 @@ static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
        }
 
        /* alloc risc memory */
-       if (STATE_NEEDS_INIT == buf->vb.state) {
+       if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
                redo_dma_risc = 1;
                if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
                        goto fail;
@@ -1826,7 +1786,7 @@ static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
                if (0 != (rc = bttv_buffer_risc(btv,buf)))
                        goto fail;
 
-       buf->vb.state = STATE_PREPARED;
+       buf->vb.state = VIDEOBUF_PREPARED;
        return 0;
 
  fail:
@@ -1865,7 +1825,7 @@ buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
        struct bttv_fh *fh = q->priv_data;
        struct bttv    *btv = fh->btv;
 
-       buf->vb.state = STATE_QUEUED;
+       buf->vb.state = VIDEOBUF_QUEUED;
        list_add_tail(&buf->vb.queue,&btv->capture);
        if (!btv->curr.frame_irq) {
                btv->loop_irq |= 1;
@@ -1888,236 +1848,231 @@ static struct videobuf_queue_ops bttv_video_qops = {
        .buf_release  = buffer_release,
 };
 
-static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
+static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id)
 {
-       switch (cmd) {
-#ifdef CONFIG_VIDEO_V4L1
-       case VIDIOCGAUDIO:
-       {
-               struct video_audio *v = arg;
+       struct bttv_fh *fh  = priv;
+       struct bttv *btv = fh->btv;
+       unsigned int i;
+       int err;
 
-               memset(v,0,sizeof(*v));
-               strcpy(v->name,"Television");
-               v->flags |= VIDEO_AUDIO_MUTABLE;
-               v->mode  = VIDEO_SOUND_MONO;
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
 
-               mutex_lock(&btv->lock);
-               bttv_call_i2c_clients(btv,cmd,v);
+       for (i = 0; i < BTTV_TVNORMS; i++)
+               if (*id & bttv_tvnorms[i].v4l2_id)
+                       break;
+       if (i == BTTV_TVNORMS)
+               return -EINVAL;
 
-               /* card specific hooks */
-               if (btv->audio_hook)
-                       btv->audio_hook(btv,v,0);
+       mutex_lock(&btv->lock);
+       set_tvnorm(btv, i);
+       mutex_unlock(&btv->lock);
 
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
-       case VIDIOCSAUDIO:
-       {
-               struct video_audio *v = arg;
-               unsigned int audio = v->audio;
+       return 0;
+}
 
-               if (audio >= bttv_tvcards[btv->c.type].audio_inputs)
-                       return -EINVAL;
+static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
 
-               mutex_lock(&btv->lock);
-               audio_mute(btv, (v->flags&VIDEO_AUDIO_MUTE) ? 1 : 0);
-               bttv_call_i2c_clients(btv,cmd,v);
+       if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
+               *id = V4L2_STD_625_50;
+       else
+               *id = V4L2_STD_525_60;
+       return 0;
+}
 
-               /* card specific hooks */
-               if (btv->audio_hook)
-                       btv->audio_hook(btv,v,1);
+static int bttv_enum_input(struct file *file, void *priv,
+                                       struct v4l2_input *i)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       int n;
 
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
-#endif
-       /* ***  v4l2  *** ************************************************ */
-       case VIDIOC_ENUMSTD:
-       {
-               struct v4l2_standard *e = arg;
-               unsigned int index = e->index;
+       if (i->index >= bttv_tvcards[btv->c.type].video_inputs)
+               return -EINVAL;
 
-               if (index >= BTTV_TVNORMS)
-                       return -EINVAL;
-               v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id,
-                                        bttv_tvnorms[e->index].name);
-               e->index = index;
-               return 0;
+       i->type     = V4L2_INPUT_TYPE_CAMERA;
+       i->audioset = 1;
+
+       if (btv->tuner_type != TUNER_ABSENT && i->index == 0) {
+               sprintf(i->name, "Television");
+               i->type  = V4L2_INPUT_TYPE_TUNER;
+               i->tuner = 0;
+       } else if (i->index == btv->svhs) {
+               sprintf(i->name, "S-Video");
+       } else {
+               sprintf(i->name, "Composite%d", i->index);
        }
-       case VIDIOC_G_STD:
-       {
-               v4l2_std_id *id = arg;
-               *id = bttv_tvnorms[btv->tvnorm].v4l2_id;
-               return 0;
+
+       if (i->index == btv->input) {
+               __u32 dstatus = btread(BT848_DSTATUS);
+               if (0 == (dstatus & BT848_DSTATUS_PRES))
+                       i->status |= V4L2_IN_ST_NO_SIGNAL;
+               if (0 == (dstatus & BT848_DSTATUS_HLOC))
+                       i->status |= V4L2_IN_ST_NO_H_LOCK;
        }
-       case VIDIOC_S_STD:
-       {
-               v4l2_std_id *id = arg;
-               unsigned int i;
 
-               for (i = 0; i < BTTV_TVNORMS; i++)
-                       if (*id & bttv_tvnorms[i].v4l2_id)
-                               break;
-               if (i == BTTV_TVNORMS)
-                       return -EINVAL;
+       for (n = 0; n < BTTV_TVNORMS; n++)
+               i->std |= bttv_tvnorms[n].v4l2_id;
 
-               mutex_lock(&btv->lock);
-               set_tvnorm(btv,i);
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
-       case VIDIOC_QUERYSTD:
-       {
-               v4l2_std_id *id = arg;
+       return 0;
+}
 
-               if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
-                       *id = V4L2_STD_625_50;
-               else
-                       *id = V4L2_STD_525_60;
-               return 0;
-       }
+static int bttv_g_input(struct file *file, void *priv, unsigned int *i)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-       case VIDIOC_ENUMINPUT:
-       {
-               struct v4l2_input *i = arg;
-               unsigned int n;
+       *i = btv->input;
+       return 0;
+}
 
-               n = i->index;
-               if (n >= bttv_tvcards[btv->c.type].video_inputs)
-                       return -EINVAL;
-               memset(i,0,sizeof(*i));
-               i->index    = n;
-               i->type     = V4L2_INPUT_TYPE_CAMERA;
-               i->audioset = 1;
-               if (i->index == bttv_tvcards[btv->c.type].tuner) {
-                       sprintf(i->name, "Television");
-                       i->type  = V4L2_INPUT_TYPE_TUNER;
-                       i->tuner = 0;
-               } else if (i->index == btv->svhs) {
-                       sprintf(i->name, "S-Video");
-               } else {
-                       sprintf(i->name,"Composite%d",i->index);
-               }
-               if (i->index == btv->input) {
-                       __u32 dstatus = btread(BT848_DSTATUS);
-                       if (0 == (dstatus & BT848_DSTATUS_PRES))
-                               i->status |= V4L2_IN_ST_NO_SIGNAL;
-                       if (0 == (dstatus & BT848_DSTATUS_HLOC))
-                               i->status |= V4L2_IN_ST_NO_H_LOCK;
-               }
-               for (n = 0; n < BTTV_TVNORMS; n++)
-                       i->std |= bttv_tvnorms[n].v4l2_id;
-               return 0;
-       }
-       case VIDIOC_G_INPUT:
-       {
-               int *i = arg;
-               *i = btv->input;
-               return 0;
-       }
-       case VIDIOC_S_INPUT:
-       {
-               unsigned int *i = arg;
+static int bttv_s_input(struct file *file, void *priv, unsigned int i)
+{
+       struct bttv_fh *fh  = priv;
+       struct bttv *btv = fh->btv;
 
-               if (*i > bttv_tvcards[btv->c.type].video_inputs)
-                       return -EINVAL;
-               mutex_lock(&btv->lock);
-               set_input(btv, *i, btv->tvnorm);
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
+       int err;
 
-       case VIDIOC_S_TUNER:
-       {
-               struct v4l2_tuner *t = arg;
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
 
-               if (UNSET == bttv_tvcards[btv->c.type].tuner)
-                       return -EINVAL;
-               if (0 != t->index)
-                       return -EINVAL;
-               mutex_lock(&btv->lock);
-               bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t);
-#ifdef CONFIG_VIDEO_V4L1
-               if (btv->audio_hook) {
-                       struct video_audio va;
-                       memset(&va, 0, sizeof(struct video_audio));
-                       if (t->audmode == V4L2_TUNER_MODE_MONO)
-                               va.mode = VIDEO_SOUND_MONO;
-                       else if (t->audmode == V4L2_TUNER_MODE_STEREO ||
-                                t->audmode == V4L2_TUNER_MODE_LANG1_LANG2)
-                               va.mode = VIDEO_SOUND_STEREO;
-                       else if (t->audmode == V4L2_TUNER_MODE_LANG1)
-                               va.mode = VIDEO_SOUND_LANG1;
-                       else if (t->audmode == V4L2_TUNER_MODE_LANG2)
-                               va.mode = VIDEO_SOUND_LANG2;
-                       btv->audio_hook(btv,&va,1);
-               }
-#endif
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
+       if (i > bttv_tvcards[btv->c.type].video_inputs)
+               return -EINVAL;
 
-       case VIDIOC_G_FREQUENCY:
-       {
-               struct v4l2_frequency *f = arg;
+       mutex_lock(&btv->lock);
+       set_input(btv, i, btv->tvnorm);
+       mutex_unlock(&btv->lock);
+       return 0;
+}
 
-               memset(f,0,sizeof(*f));
-               f->type = V4L2_TUNER_ANALOG_TV;
-               f->frequency = btv->freq;
-               return 0;
-       }
-       case VIDIOC_S_FREQUENCY:
-       {
-               struct v4l2_frequency *f = arg;
+static int bttv_s_tuner(struct file *file, void *priv,
+                                       struct v4l2_tuner *t)
+{
+       struct bttv_fh *fh  = priv;
+       struct bttv *btv = fh->btv;
+       int err;
+
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
+
+       if (btv->tuner_type == TUNER_ABSENT)
+               return -EINVAL;
+
+       if (0 != t->index)
+               return -EINVAL;
+
+       mutex_lock(&btv->lock);
+       bttv_call_all(btv, tuner, s_tuner, t);
+
+       if (btv->audio_mode_gpio)
+               btv->audio_mode_gpio(btv, t, 1);
+
+       mutex_unlock(&btv->lock);
+
+       return 0;
+}
+
+static int bttv_g_frequency(struct file *file, void *priv,
+                                       struct v4l2_frequency *f)
+{
+       struct bttv_fh *fh  = priv;
+       struct bttv *btv = fh->btv;
+       int err;
+
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
+
+       f->type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+       f->frequency = btv->freq;
+
+       return 0;
+}
+
+static int bttv_s_frequency(struct file *file, void *priv,
+                                       struct v4l2_frequency *f)
+{
+       struct bttv_fh *fh  = priv;
+       struct bttv *btv = fh->btv;
+       int err;
+
+       err = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != err)
+               return err;
+
+       if (unlikely(f->tuner != 0))
+               return -EINVAL;
+       if (unlikely(f->type != (btv->radio_user
+               ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV)))
+               return -EINVAL;
+       mutex_lock(&btv->lock);
+       btv->freq = f->frequency;
+       bttv_call_all(btv, tuner, s_frequency, f);
+       if (btv->has_matchbox && btv->radio_user)
+               tea5757_set_freq(btv, btv->freq);
+       mutex_unlock(&btv->lock);
+       return 0;
+}
+
+static int bttv_log_status(struct file *file, void *f)
+{
+       struct bttv_fh *fh  = f;
+       struct bttv *btv = fh->btv;
+
+       printk(KERN_INFO "bttv%d: ========  START STATUS CARD #%d  ========\n",
+                       btv->c.nr, btv->c.nr);
+       bttv_call_all(btv, core, log_status);
+       printk(KERN_INFO "bttv%d: ========  END STATUS CARD   #%d  ========\n",
+                       btv->c.nr, btv->c.nr);
+       return 0;
+}
 
-               if (unlikely(f->tuner != 0))
-                       return -EINVAL;
-               if (unlikely (f->type != V4L2_TUNER_ANALOG_TV))
-                       return -EINVAL;
-               mutex_lock(&btv->lock);
-               btv->freq = f->frequency;
-               bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,f);
-               if (btv->has_matchbox && btv->radio_user)
-                       tea5757_set_freq(btv,btv->freq);
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
-       case VIDIOC_LOG_STATUS:
-       {
-               printk(KERN_INFO "bttv%d: =================  START STATUS CARD #%d  =================\n", btv->c.nr, btv->c.nr);
-               bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
-               printk(KERN_INFO "bttv%d: ==================  END STATUS CARD #%d  ==================\n", btv->c.nr, btv->c.nr);
-               return 0;
-       }
-       case VIDIOC_G_CTRL:
-               return get_control(btv,arg);
-       case VIDIOC_S_CTRL:
-               return set_control(btv,arg);
 #ifdef CONFIG_VIDEO_ADV_DEBUG
-       case VIDIOC_DBG_G_REGISTER:
-       case VIDIOC_DBG_S_REGISTER:
-       {
-               struct v4l2_register *reg = arg;
-               if (!capable(CAP_SYS_ADMIN))
-                       return -EPERM;
-               if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
-                       return -EINVAL;
-               /* bt848 has a 12-bit register space */
-               reg->reg &= 0xfff;
-               if (cmd == VIDIOC_DBG_G_REGISTER)
-                       reg->val = btread(reg->reg);
-               else
-                       btwrite(reg->val, reg->reg);
-               return 0;
-       }
-#endif
+static int bttv_g_register(struct file *file, void *f,
+                                       struct v4l2_dbg_register *reg)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
 
-       default:
-               return -ENOIOCTLCMD;
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
+       if (!v4l2_chip_match_host(&reg->match))
+               return -EINVAL;
+
+       /* bt848 has a 12-bit register space */
+       reg->reg &= 0xfff;
+       reg->val = btread(reg->reg);
+       reg->size = 1;
+
+       return 0;
+}
+
+static int bttv_s_register(struct file *file, void *f,
+                                       struct v4l2_dbg_register *reg)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EPERM;
+
+       if (!v4l2_chip_match_host(&reg->match))
+               return -EINVAL;
+
+       /* bt848 has a 12-bit register space */
+       reg->reg &= 0xfff;
+       btwrite(reg->val, reg->reg);
 
-       }
        return 0;
 }
+#endif
 
 /* Given cropping boundaries b and the scaled width and height of a
    single field or frame, which must not exceed hardware limits, this
@@ -2400,8 +2355,8 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
                BUG();
        }
 
-       mutex_lock(&fh->cap.lock);
-               kfree(fh->ov.clips);
+       mutex_lock(&fh->cap.vb_lock);
+       kfree(fh->ov.clips);
        fh->ov.clips    = clips;
        fh->ov.nclips   = n;
 
@@ -2417,12 +2372,12 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
        if (check_btres(fh, RESOURCE_OVERLAY)) {
                struct bttv_buffer *new;
 
-               new = videobuf_pci_alloc(sizeof(*new));
+               new = videobuf_sg_alloc(sizeof(*new));
                new->crop = btv->crop[!!fh->do_crop].rect;
                bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
                retval = bttv_switch_overlay(btv,fh,new);
        }
-       mutex_unlock(&fh->cap.lock);
+       mutex_unlock(&fh->cap.vb_lock);
        return retval;
 }
 
@@ -2493,687 +2448,672 @@ pix_format_set_size     (struct v4l2_pix_format *       f,
        }
 }
 
-static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f)
+static int bttv_g_fmt_vid_cap(struct file *file, void *priv,
+                                       struct v4l2_format *f)
 {
-       switch (f->type) {
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-               memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
-               pix_format_set_size (&f->fmt.pix, fh->fmt,
-                                    fh->width, fh->height);
-               f->fmt.pix.field        = fh->cap.field;
-               f->fmt.pix.pixelformat  = fh->fmt->fourcc;
-               return 0;
-       case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-               memset(&f->fmt.win,0,sizeof(struct v4l2_window));
-               f->fmt.win.w     = fh->ov.w;
-               f->fmt.win.field = fh->ov.field;
-               return 0;
-       case V4L2_BUF_TYPE_VBI_CAPTURE:
-               bttv_vbi_get_fmt(fh, &f->fmt.vbi);
-               return 0;
-       default:
-               return -EINVAL;
-       }
+       struct bttv_fh *fh  = priv;
+
+       pix_format_set_size(&f->fmt.pix, fh->fmt,
+                               fh->width, fh->height);
+       f->fmt.pix.field        = fh->cap.field;
+       f->fmt.pix.pixelformat  = fh->fmt->fourcc;
+
+       return 0;
 }
 
-static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv,
-                       struct v4l2_format *f, int adjust_crop)
+static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
+                                       struct v4l2_format *f)
 {
-       switch (f->type) {
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-       {
-               const struct bttv_format *fmt;
-               enum v4l2_field field;
-               __s32 width, height;
-               int rc;
+       struct bttv_fh *fh  = priv;
 
-               fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-               if (NULL == fmt)
-                       return -EINVAL;
+       f->fmt.win.w     = fh->ov.w;
+       f->fmt.win.field = fh->ov.field;
 
-               field = f->fmt.pix.field;
-               if (V4L2_FIELD_ANY == field) {
-                       __s32 height2;
+       return 0;
+}
 
-                       height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
-                       field = (f->fmt.pix.height > height2)
-                               ? V4L2_FIELD_INTERLACED
-                               : V4L2_FIELD_BOTTOM;
-               }
-               if (V4L2_FIELD_SEQ_BT == field)
-                       field = V4L2_FIELD_SEQ_TB;
-               switch (field) {
-               case V4L2_FIELD_TOP:
-               case V4L2_FIELD_BOTTOM:
-               case V4L2_FIELD_ALTERNATE:
-               case V4L2_FIELD_INTERLACED:
-                       break;
-               case V4L2_FIELD_SEQ_TB:
-                       if (fmt->flags & FORMAT_FLAGS_PLANAR)
-                               return -EINVAL;
-                       break;
-               default:
-                       return -EINVAL;
-               }
+static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
+                                               struct v4l2_format *f)
+{
+       const struct bttv_format *fmt;
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       enum v4l2_field field;
+       __s32 width, height;
+       int rc;
 
-               width = f->fmt.pix.width;
-               height = f->fmt.pix.height;
+       fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+       if (NULL == fmt)
+               return -EINVAL;
 
-               rc = limit_scaled_size(fh, &width, &height, field,
-                                      /* width_mask: 4 pixels */ ~3,
-                                      /* width_bias: nearest */ 2,
-                                      /* adjust_size */ 1,
-                                      adjust_crop);
-               if (0 != rc)
-                       return rc;
+       field = f->fmt.pix.field;
 
-               /* update data for the application */
-               f->fmt.pix.field = field;
-               pix_format_set_size(&f->fmt.pix, fmt, width, height);
+       if (V4L2_FIELD_ANY == field) {
+               __s32 height2;
 
-               return 0;
+               height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
+               field = (f->fmt.pix.height > height2)
+                       ? V4L2_FIELD_INTERLACED
+                       : V4L2_FIELD_BOTTOM;
        }
-       case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-               return verify_window(fh, &f->fmt.win,
-                                    /* adjust_size */ 1,
-                                    /* adjust_crop */ 0);
-       case V4L2_BUF_TYPE_VBI_CAPTURE:
-               return bttv_vbi_try_fmt(fh, &f->fmt.vbi);
+
+       if (V4L2_FIELD_SEQ_BT == field)
+               field = V4L2_FIELD_SEQ_TB;
+
+       switch (field) {
+       case V4L2_FIELD_TOP:
+       case V4L2_FIELD_BOTTOM:
+       case V4L2_FIELD_ALTERNATE:
+       case V4L2_FIELD_INTERLACED:
+               break;
+       case V4L2_FIELD_SEQ_TB:
+               if (fmt->flags & FORMAT_FLAGS_PLANAR)
+                       return -EINVAL;
+               break;
        default:
                return -EINVAL;
        }
+
+       width = f->fmt.pix.width;
+       height = f->fmt.pix.height;
+
+       rc = limit_scaled_size(fh, &width, &height, field,
+                              /* width_mask: 4 pixels */ ~3,
+                              /* width_bias: nearest */ 2,
+                              /* adjust_size */ 1,
+                              /* adjust_crop */ 0);
+       if (0 != rc)
+               return rc;
+
+       /* update data for the application */
+       f->fmt.pix.field = field;
+       pix_format_set_size(&f->fmt.pix, fmt, width, height);
+
+       return 0;
+}
+
+static int bttv_try_fmt_vid_overlay(struct file *file, void *priv,
+                                               struct v4l2_format *f)
+{
+       struct bttv_fh *fh = priv;
+
+       return verify_window(fh, &f->fmt.win,
+                       /* adjust_size */ 1,
+                       /* adjust_crop */ 0);
 }
 
-static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv,
-                     struct v4l2_format *f)
+static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
+                               struct v4l2_format *f)
 {
        int retval;
+       const struct bttv_format *fmt;
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       __s32 width, height;
+       enum v4l2_field field;
 
-       switch (f->type) {
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-       {
-               const struct bttv_format *fmt;
+       retval = bttv_switch_type(fh, f->type);
+       if (0 != retval)
+               return retval;
 
-               retval = bttv_switch_type(fh,f->type);
-               if (0 != retval)
-                       return retval;
-               retval = bttv_try_fmt(fh,btv,f, /* adjust_crop */ 1);
-               if (0 != retval)
-                       return retval;
-               fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-
-               /* update our state informations */
-               mutex_lock(&fh->cap.lock);
-               fh->fmt              = fmt;
-               fh->cap.field        = f->fmt.pix.field;
-               fh->cap.last         = V4L2_FIELD_NONE;
-               fh->width            = f->fmt.pix.width;
-               fh->height           = f->fmt.pix.height;
-               btv->init.fmt        = fmt;
-               btv->init.width      = f->fmt.pix.width;
-               btv->init.height     = f->fmt.pix.height;
-               mutex_unlock(&fh->cap.lock);
+       retval = bttv_try_fmt_vid_cap(file, priv, f);
+       if (0 != retval)
+               return retval;
 
-               return 0;
-       }
-       case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-               if (no_overlay > 0) {
-                       printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
-                       return -EINVAL;
-               }
-               return setup_window(fh, btv, &f->fmt.win, 1);
-       case V4L2_BUF_TYPE_VBI_CAPTURE:
-               retval = bttv_switch_type(fh,f->type);
-               if (0 != retval)
-                       return retval;
-               return bttv_vbi_set_fmt(fh, &f->fmt.vbi);
-       default:
-               return -EINVAL;
-       }
+       width = f->fmt.pix.width;
+       height = f->fmt.pix.height;
+       field = f->fmt.pix.field;
+
+       retval = limit_scaled_size(fh, &width, &height, f->fmt.pix.field,
+                              /* width_mask: 4 pixels */ ~3,
+                              /* width_bias: nearest */ 2,
+                              /* adjust_size */ 1,
+                              /* adjust_crop */ 1);
+       if (0 != retval)
+               return retval;
+
+       f->fmt.pix.field = field;
+
+       fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+
+       /* update our state informations */
+       mutex_lock(&fh->cap.vb_lock);
+       fh->fmt              = fmt;
+       fh->cap.field        = f->fmt.pix.field;
+       fh->cap.last         = V4L2_FIELD_NONE;
+       fh->width            = f->fmt.pix.width;
+       fh->height           = f->fmt.pix.height;
+       btv->init.fmt        = fmt;
+       btv->init.width      = f->fmt.pix.width;
+       btv->init.height     = f->fmt.pix.height;
+       mutex_unlock(&fh->cap.vb_lock);
+
+       return 0;
 }
 
-static int bttv_do_ioctl(struct inode *inode, struct file *file,
-                        unsigned int cmd, void *arg)
+static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
+                               struct v4l2_format *f)
 {
-       struct bttv_fh *fh  = file->private_data;
-       struct bttv    *btv = fh->btv;
-       int retval = 0;
-
-       if (bttv_debug > 1)
-               v4l_print_ioctl(btv->c.name, cmd);
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-       if (btv->errors)
-               bttv_reinit_bt848(btv);
+       if (no_overlay > 0) {
+               printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
+               return -EINVAL;
+       }
 
-       switch (cmd) {
-       case VIDIOC_S_CTRL:
-       case VIDIOC_S_STD:
-       case VIDIOC_S_INPUT:
-       case VIDIOC_S_TUNER:
-       case VIDIOC_S_FREQUENCY:
-               retval = v4l2_prio_check(&btv->prio,&fh->prio);
-               if (0 != retval)
-                       return retval;
-       };
+       return setup_window(fh, btv, &f->fmt.win, 1);
+}
 
-       switch (cmd) {
 #ifdef CONFIG_VIDEO_V4L1_COMPAT
-       case VIDIOCGMBUF:
-       {
-               struct video_mbuf *mbuf = arg;
-               unsigned int i;
-
-               retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize,
-                                            V4L2_MEMORY_MMAP);
-               if (retval < 0)
-                       return retval;
+static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
+{
+       int retval;
+       unsigned int i;
+       struct bttv_fh *fh = priv;
 
-               gbuffers = retval;
-               memset(mbuf,0,sizeof(*mbuf));
-               mbuf->frames = gbuffers;
-               mbuf->size   = gbuffers * gbufsize;
-               for (i = 0; i < gbuffers; i++)
-                       mbuf->offsets[i] = i * gbufsize;
-               return 0;
+       mutex_lock(&fh->cap.vb_lock);
+       retval = __videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize,
+                                    V4L2_MEMORY_MMAP);
+       if (retval < 0) {
+               mutex_unlock(&fh->cap.vb_lock);
+               return retval;
        }
+
+       gbuffers = retval;
+       memset(mbuf, 0, sizeof(*mbuf));
+       mbuf->frames = gbuffers;
+       mbuf->size   = gbuffers * gbufsize;
+
+       for (i = 0; i < gbuffers; i++)
+               mbuf->offsets[i] = i * gbufsize;
+
+       mutex_unlock(&fh->cap.vb_lock);
+       return 0;
+}
 #endif
 
-       /* ***  v4l2  *** ************************************************ */
-       case VIDIOC_QUERYCAP:
-       {
-               struct v4l2_capability *cap = arg;
+static int bttv_querycap(struct file *file, void  *priv,
+                               struct v4l2_capability *cap)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-               if (0 == v4l2)
-                       return -EINVAL;
-               memset(cap, 0, sizeof (*cap));
-               strlcpy(cap->driver, "bttv", sizeof (cap->driver));
-               strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
-               snprintf(cap->bus_info, sizeof (cap->bus_info),
-                        "PCI:%s", pci_name(btv->c.pci));
-               cap->version = BTTV_VERSION_CODE;
-               cap->capabilities =
-                       V4L2_CAP_VIDEO_CAPTURE |
-                       V4L2_CAP_VBI_CAPTURE |
-                       V4L2_CAP_READWRITE |
-                       V4L2_CAP_STREAMING;
-               if (no_overlay <= 0)
-                       cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
-
-               if (bttv_tvcards[btv->c.type].tuner != UNSET &&
-                   bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT)
-                       cap->capabilities |= V4L2_CAP_TUNER;
-               return 0;
-       }
-       case VIDIOC_ENUM_FMT:
-       {
-               struct v4l2_fmtdesc *f = arg;
-               enum v4l2_buf_type type;
-               unsigned int i;
-               int index;
-
-               type  = f->type;
-               if (V4L2_BUF_TYPE_VBI_CAPTURE == type) {
-                       /* vbi */
-                       index = f->index;
-                       if (0 != index)
-                               return -EINVAL;
-                       memset(f,0,sizeof(*f));
-                       f->index       = index;
-                       f->type        = type;
-                       f->pixelformat = V4L2_PIX_FMT_GREY;
-                       strcpy(f->description,"vbi data");
-                       return 0;
-               }
+       if (0 == v4l2)
+               return -EINVAL;
 
-               /* video capture + overlay */
-               index = -1;
-               for (i = 0; i < BTTV_FORMATS; i++) {
-                       if (bttv_formats[i].fourcc != -1)
-                               index++;
-                       if ((unsigned int)index == f->index)
-                               break;
-               }
-               if (BTTV_FORMATS == i)
-                       return -EINVAL;
+       strlcpy(cap->driver, "bttv", sizeof(cap->driver));
+       strlcpy(cap->card, btv->video_dev->name, sizeof(cap->card));
+       snprintf(cap->bus_info, sizeof(cap->bus_info),
+                "PCI:%s", pci_name(btv->c.pci));
+       cap->version = BTTV_VERSION_CODE;
+       cap->capabilities =
+               V4L2_CAP_VIDEO_CAPTURE |
+               V4L2_CAP_VBI_CAPTURE |
+               V4L2_CAP_READWRITE |
+               V4L2_CAP_STREAMING;
+       if (btv->has_saa6588)
+               cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
+       if (no_overlay <= 0)
+               cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
+
+       if (btv->tuner_type != TUNER_ABSENT)
+               cap->capabilities |= V4L2_CAP_TUNER;
+       return 0;
+}
 
-               switch (f->type) {
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-                       break;
-               case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-                       if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED))
-                               return -EINVAL;
+static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f)
+{
+       int index = -1, i;
+
+       for (i = 0; i < FORMATS; i++) {
+               if (formats[i].fourcc != -1)
+                       index++;
+               if ((unsigned int)index == f->index)
                        break;
-               default:
-                       return -EINVAL;
-               }
-               memset(f,0,sizeof(*f));
-               f->index       = index;
-               f->type        = type;
-               f->pixelformat = bttv_formats[i].fourcc;
-               strlcpy(f->description,bttv_formats[i].name,sizeof(f->description));
-               return 0;
-       }
-       case VIDIOC_TRY_FMT:
-       {
-               struct v4l2_format *f = arg;
-               return bttv_try_fmt(fh,btv,f, /* adjust_crop */ 0);
-       }
-       case VIDIOC_G_FMT:
-       {
-               struct v4l2_format *f = arg;
-               return bttv_g_fmt(fh,f);
-       }
-       case VIDIOC_S_FMT:
-       {
-               struct v4l2_format *f = arg;
-               return bttv_s_fmt(fh,btv,f);
        }
+       if (FORMATS == i)
+               return -EINVAL;
 
-       case VIDIOC_G_FBUF:
-       {
-               struct v4l2_framebuffer *fb = arg;
+       f->pixelformat = formats[i].fourcc;
+       strlcpy(f->description, formats[i].name, sizeof(f->description));
 
-               *fb = btv->fbuf;
-               fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
-               if (fh->ovfmt)
-                       fb->fmt.pixelformat  = fh->ovfmt->fourcc;
-               return 0;
-       }
-       case VIDIOC_OVERLAY:
-       {
-               struct bttv_buffer *new;
-               int *on = arg;
+       return i;
+}
 
-               if (*on) {
-                       /* verify args */
-                       if (NULL == btv->fbuf.base)
-                               return -EINVAL;
-                       if (!fh->ov.setup_ok) {
-                               dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr);
-                               return -EINVAL;
-                       }
-               }
+static int bttv_enum_fmt_vid_cap(struct file *file, void  *priv,
+                               struct v4l2_fmtdesc *f)
+{
+       int rc = bttv_enum_fmt_cap_ovr(f);
 
-               if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY))
-                       return -EBUSY;
+       if (rc < 0)
+               return rc;
 
-               mutex_lock(&fh->cap.lock);
-               if (*on) {
-                       fh->ov.tvnorm = btv->tvnorm;
-                       new = videobuf_pci_alloc(sizeof(*new));
-                       bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
-               } else {
-                       new = NULL;
-               }
+       return 0;
+}
 
-               /* switch over */
-               retval = bttv_switch_overlay(btv,fh,new);
-               mutex_unlock(&fh->cap.lock);
-               return retval;
+static int bttv_enum_fmt_vid_overlay(struct file *file, void  *priv,
+                                       struct v4l2_fmtdesc *f)
+{
+       int rc;
+
+       if (no_overlay > 0) {
+               printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
+               return -EINVAL;
        }
-       case VIDIOC_S_FBUF:
-       {
-               struct v4l2_framebuffer *fb = arg;
-               const struct bttv_format *fmt;
 
-               if(!capable(CAP_SYS_ADMIN) &&
-                  !capable(CAP_SYS_RAWIO))
-                       return -EPERM;
+       rc = bttv_enum_fmt_cap_ovr(f);
 
-               /* check args */
-               fmt = format_by_fourcc(fb->fmt.pixelformat);
-               if (NULL == fmt)
-                       return -EINVAL;
-               if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
-                       return -EINVAL;
+       if (rc < 0)
+               return rc;
 
-               retval = -EINVAL;
-               if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
-                       __s32 width = fb->fmt.width;
-                       __s32 height = fb->fmt.height;
-
-                       retval = limit_scaled_size(fh, &width, &height,
-                                                  V4L2_FIELD_INTERLACED,
-                                                  /* width_mask */ ~3,
-                                                  /* width_bias */ 2,
-                                                  /* adjust_size */ 0,
-                                                  /* adjust_crop */ 0);
-                       if (0 != retval)
-                               return retval;
-               }
+       if (!(formats[rc].flags & FORMAT_FLAGS_PACKED))
+               return -EINVAL;
 
-               /* ok, accept it */
-               mutex_lock(&fh->cap.lock);
-               btv->fbuf.base       = fb->base;
-               btv->fbuf.fmt.width  = fb->fmt.width;
-               btv->fbuf.fmt.height = fb->fmt.height;
-               if (0 != fb->fmt.bytesperline)
-                       btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
-               else
-                       btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
-
-               retval = 0;
-               fh->ovfmt = fmt;
-               btv->init.ovfmt = fmt;
-               if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
-                       fh->ov.w.left   = 0;
-                       fh->ov.w.top    = 0;
-                       fh->ov.w.width  = fb->fmt.width;
-                       fh->ov.w.height = fb->fmt.height;
-                       btv->init.ov.w.width  = fb->fmt.width;
-                       btv->init.ov.w.height = fb->fmt.height;
-                               kfree(fh->ov.clips);
-                       fh->ov.clips = NULL;
-                       fh->ov.nclips = 0;
-
-                       if (check_btres(fh, RESOURCE_OVERLAY)) {
-                               struct bttv_buffer *new;
-
-                               new = videobuf_pci_alloc(sizeof(*new));
-                               new->crop = btv->crop[!!fh->do_crop].rect;
-                               bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new);
-                               retval = bttv_switch_overlay(btv,fh,new);
-                       }
+       return 0;
+}
+
+static int bttv_g_fbuf(struct file *file, void *f,
+                               struct v4l2_framebuffer *fb)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       *fb = btv->fbuf;
+       fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+       if (fh->ovfmt)
+               fb->fmt.pixelformat  = fh->ovfmt->fourcc;
+       return 0;
+}
+
+static int bttv_overlay(struct file *file, void *f, unsigned int on)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+       struct bttv_buffer *new;
+       int retval;
+
+       if (on) {
+               /* verify args */
+               if (NULL == btv->fbuf.base)
+                       return -EINVAL;
+               if (!fh->ov.setup_ok) {
+                       dprintk("bttv%d: overlay: !setup_ok\n", btv->c.nr);
+                       return -EINVAL;
                }
-               mutex_unlock(&fh->cap.lock);
-               return retval;
        }
-       case VIDIOC_REQBUFS:
-               return videobuf_reqbufs(bttv_queue(fh),arg);
-       case VIDIOC_QUERYBUF:
-               return videobuf_querybuf(bttv_queue(fh),arg);
-       case VIDIOC_QBUF:
-       {
-               int res = bttv_resource(fh);
 
-               if (!check_alloc_btres(btv, fh, res))
-                       return -EBUSY;
-               return videobuf_qbuf(bttv_queue(fh),arg);
-       }
-       case VIDIOC_DQBUF:
-               return videobuf_dqbuf(bttv_queue(fh),arg,
-                                     file->f_flags & O_NONBLOCK);
-       case VIDIOC_STREAMON:
-       {
-               int res = bttv_resource(fh);
+       if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY))
+               return -EBUSY;
 
-               if (!check_alloc_btres(btv,fh,res))
-                       return -EBUSY;
-               return videobuf_streamon(bttv_queue(fh));
+       mutex_lock(&fh->cap.vb_lock);
+       if (on) {
+               fh->ov.tvnorm = btv->tvnorm;
+               new = videobuf_sg_alloc(sizeof(*new));
+               new->crop = btv->crop[!!fh->do_crop].rect;
+               bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
+       } else {
+               new = NULL;
        }
-       case VIDIOC_STREAMOFF:
-       {
-               int res = bttv_resource(fh);
 
-               retval = videobuf_streamoff(bttv_queue(fh));
-               if (retval < 0)
+       /* switch over */
+       retval = bttv_switch_overlay(btv, fh, new);
+       mutex_unlock(&fh->cap.vb_lock);
+       return retval;
+}
+
+static int bttv_s_fbuf(struct file *file, void *f,
+                               struct v4l2_framebuffer *fb)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+       const struct bttv_format *fmt;
+       int retval;
+
+       if (!capable(CAP_SYS_ADMIN) &&
+               !capable(CAP_SYS_RAWIO))
+               return -EPERM;
+
+       /* check args */
+       fmt = format_by_fourcc(fb->fmt.pixelformat);
+       if (NULL == fmt)
+               return -EINVAL;
+       if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
+               return -EINVAL;
+
+       retval = -EINVAL;
+       if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
+               __s32 width = fb->fmt.width;
+               __s32 height = fb->fmt.height;
+
+               retval = limit_scaled_size(fh, &width, &height,
+                                          V4L2_FIELD_INTERLACED,
+                                          /* width_mask */ ~3,
+                                          /* width_bias */ 2,
+                                          /* adjust_size */ 0,
+                                          /* adjust_crop */ 0);
+               if (0 != retval)
                        return retval;
-               free_btres(btv,fh,res);
-               return 0;
        }
 
-       case VIDIOC_QUERYCTRL:
-       {
-               struct v4l2_queryctrl *c = arg;
-               int i;
+       /* ok, accept it */
+       mutex_lock(&fh->cap.vb_lock);
+       btv->fbuf.base       = fb->base;
+       btv->fbuf.fmt.width  = fb->fmt.width;
+       btv->fbuf.fmt.height = fb->fmt.height;
+       if (0 != fb->fmt.bytesperline)
+               btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
+       else
+               btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
 
-               if ((c->id <  V4L2_CID_BASE ||
-                    c->id >= V4L2_CID_LASTP1) &&
-                   (c->id <  V4L2_CID_PRIVATE_BASE ||
-                    c->id >= V4L2_CID_PRIVATE_LASTP1))
-                       return -EINVAL;
-               for (i = 0; i < BTTV_CTLS; i++)
-                       if (bttv_ctls[i].id == c->id)
-                               break;
-               if (i == BTTV_CTLS) {
-                       *c = no_ctl;
-                       return 0;
-               }
-               *c = bttv_ctls[i];
-#ifdef CONFIG_VIDEO_V4L1
-               if (btv->audio_hook && i >= 4 && i <= 8) {
-                       struct video_audio va;
-                       memset(&va,0,sizeof(va));
-                       btv->audio_hook(btv,&va,0);
-                       switch (bttv_ctls[i].id) {
-                       case V4L2_CID_AUDIO_VOLUME:
-                               if (!(va.flags & VIDEO_AUDIO_VOLUME))
-                                       *c = no_ctl;
-                               break;
-                       case V4L2_CID_AUDIO_BALANCE:
-                               if (!(va.flags & VIDEO_AUDIO_BALANCE))
-                                       *c = no_ctl;
-                               break;
-                       case V4L2_CID_AUDIO_BASS:
-                               if (!(va.flags & VIDEO_AUDIO_BASS))
-                                       *c = no_ctl;
-                               break;
-                       case V4L2_CID_AUDIO_TREBLE:
-                               if (!(va.flags & VIDEO_AUDIO_TREBLE))
-                                       *c = no_ctl;
-                               break;
-                       }
+       retval = 0;
+       fh->ovfmt = fmt;
+       btv->init.ovfmt = fmt;
+       if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
+               fh->ov.w.left   = 0;
+               fh->ov.w.top    = 0;
+               fh->ov.w.width  = fb->fmt.width;
+               fh->ov.w.height = fb->fmt.height;
+               btv->init.ov.w.width  = fb->fmt.width;
+               btv->init.ov.w.height = fb->fmt.height;
+                       kfree(fh->ov.clips);
+               fh->ov.clips = NULL;
+               fh->ov.nclips = 0;
+
+               if (check_btres(fh, RESOURCE_OVERLAY)) {
+                       struct bttv_buffer *new;
+
+                       new = videobuf_sg_alloc(sizeof(*new));
+                       new->crop = btv->crop[!!fh->do_crop].rect;
+                       bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
+                       retval = bttv_switch_overlay(btv, fh, new);
                }
-#endif
-               return 0;
        }
-       case VIDIOC_G_PARM:
-       {
-               struct v4l2_streamparm *parm = arg;
-               struct v4l2_standard s;
-               if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-                       return -EINVAL;
-               memset(parm,0,sizeof(*parm));
-               v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id,
-                                        bttv_tvnorms[btv->tvnorm].name);
-               parm->parm.capture.timeperframe = s.frameperiod;
-               return 0;
-       }
-       case VIDIOC_G_TUNER:
-       {
-               struct v4l2_tuner *t = arg;
+       mutex_unlock(&fh->cap.vb_lock);
+       return retval;
+}
 
-               if (UNSET == bttv_tvcards[btv->c.type].tuner)
-                       return -EINVAL;
-               if (0 != t->index)
-                       return -EINVAL;
-               mutex_lock(&btv->lock);
-               memset(t,0,sizeof(*t));
-               t->rxsubchans = V4L2_TUNER_SUB_MONO;
-               bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
-               strcpy(t->name, "Television");
-               t->capability = V4L2_TUNER_CAP_NORM;
-               t->type       = V4L2_TUNER_ANALOG_TV;
-               if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
-                       t->signal = 0xffff;
-#ifdef CONFIG_VIDEO_V4L1
-               if (btv->audio_hook) {
-                       /* Hmmm ... */
-                       struct video_audio va;
-                       memset(&va, 0, sizeof(struct video_audio));
-                       btv->audio_hook(btv,&va,0);
-                       t->audmode    = V4L2_TUNER_MODE_MONO;
-                       t->rxsubchans = V4L2_TUNER_SUB_MONO;
-                       if(va.mode & VIDEO_SOUND_STEREO) {
-                               t->audmode    = V4L2_TUNER_MODE_STEREO;
-                               t->rxsubchans = V4L2_TUNER_SUB_STEREO;
-                       }
-                       if(va.mode & VIDEO_SOUND_LANG2) {
-                               t->audmode    = V4L2_TUNER_MODE_LANG1;
-                               t->rxsubchans = V4L2_TUNER_SUB_LANG1
-                                       | V4L2_TUNER_SUB_LANG2;
-                       }
-               }
-#endif
-               /* FIXME: fill capability+audmode */
-               mutex_unlock(&btv->lock);
-               return 0;
-       }
+static int bttv_reqbufs(struct file *file, void *priv,
+                               struct v4l2_requestbuffers *p)
+{
+       struct bttv_fh *fh = priv;
+       return videobuf_reqbufs(bttv_queue(fh), p);
+}
 
-       case VIDIOC_G_PRIORITY:
-       {
-               enum v4l2_priority *p = arg;
+static int bttv_querybuf(struct file *file, void *priv,
+                               struct v4l2_buffer *b)
+{
+       struct bttv_fh *fh = priv;
+       return videobuf_querybuf(bttv_queue(fh), b);
+}
 
-               *p = v4l2_prio_max(&btv->prio);
-               return 0;
-       }
-       case VIDIOC_S_PRIORITY:
-       {
-               enum v4l2_priority *prio = arg;
+static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       int res = bttv_resource(fh);
 
-               return v4l2_prio_change(&btv->prio, &fh->prio, *prio);
-       }
+       if (!check_alloc_btres(btv, fh, res))
+               return -EBUSY;
 
-       case VIDIOC_CROPCAP:
-       {
-               struct v4l2_cropcap *cap = arg;
-               enum v4l2_buf_type type;
+       return videobuf_qbuf(bttv_queue(fh), b);
+}
 
-               type = cap->type;
+static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+       struct bttv_fh *fh = priv;
+       return videobuf_dqbuf(bttv_queue(fh), b,
+                       file->f_flags & O_NONBLOCK);
+}
 
-               if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
-                   type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
-                       return -EINVAL;
+static int bttv_streamon(struct file *file, void *priv,
+                                       enum v4l2_buf_type type)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       int res = bttv_resource(fh);
 
-               *cap = bttv_tvnorms[btv->tvnorm].cropcap;
-               cap->type = type;
+       if (!check_alloc_btres(btv, fh, res))
+               return -EBUSY;
+       return videobuf_streamon(bttv_queue(fh));
+}
 
-               return 0;
-       }
-       case VIDIOC_G_CROP:
-       {
-               struct v4l2_crop * crop = arg;
 
-               if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
-                   crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
-                       return -EINVAL;
+static int bttv_streamoff(struct file *file, void *priv,
+                                       enum v4l2_buf_type type)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       int retval;
+       int res = bttv_resource(fh);
+
 
-               /* No fh->do_crop = 1; because btv->crop[1] may be
-                  inconsistent with fh->width or fh->height and apps
-                  do not expect a change here. */
+       retval = videobuf_streamoff(bttv_queue(fh));
+       if (retval < 0)
+               return retval;
+       free_btres(btv, fh, res);
+       return 0;
+}
+
+static int bttv_queryctrl(struct file *file, void *priv,
+                                       struct v4l2_queryctrl *c)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+       const struct v4l2_queryctrl *ctrl;
 
-               crop->c = btv->crop[!!fh->do_crop].rect;
+       if ((c->id <  V4L2_CID_BASE ||
+            c->id >= V4L2_CID_LASTP1) &&
+           (c->id <  V4L2_CID_PRIVATE_BASE ||
+            c->id >= V4L2_CID_PRIVATE_LASTP1))
+               return -EINVAL;
 
-               return 0;
+       if (!btv->volume_gpio && (c->id == V4L2_CID_AUDIO_VOLUME))
+               *c = no_ctl;
+       else {
+               ctrl = ctrl_by_id(c->id);
+
+               *c = (NULL != ctrl) ? *ctrl : no_ctl;
        }
-       case VIDIOC_S_CROP:
-       {
-               struct v4l2_crop *crop = arg;
-               const struct v4l2_rect *b;
-               struct bttv_crop c;
-               __s32 b_left;
-               __s32 b_top;
-               __s32 b_right;
-               __s32 b_bottom;
-
-               if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
-                   crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
-                       return -EINVAL;
 
-               retval = v4l2_prio_check(&btv->prio,&fh->prio);
-               if (0 != retval)
-                       return retval;
+       return 0;
+}
 
-               /* Make sure tvnorm, vbi_end and the current cropping
-                  parameters remain consistent until we're done. Note
-                  read() may change vbi_end in check_alloc_btres(). */
-               mutex_lock(&btv->lock);
+static int bttv_g_parm(struct file *file, void *f,
+                               struct v4l2_streamparm *parm)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id,
+                                   &parm->parm.capture.timeperframe);
+       return 0;
+}
+
+static int bttv_g_tuner(struct file *file, void *priv,
+                               struct v4l2_tuner *t)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+
+       if (btv->tuner_type == TUNER_ABSENT)
+               return -EINVAL;
+       if (0 != t->index)
+               return -EINVAL;
+
+       mutex_lock(&btv->lock);
+       t->rxsubchans = V4L2_TUNER_SUB_MONO;
+       bttv_call_all(btv, tuner, g_tuner, t);
+       strcpy(t->name, "Television");
+       t->capability = V4L2_TUNER_CAP_NORM;
+       t->type       = V4L2_TUNER_ANALOG_TV;
+       if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
+               t->signal = 0xffff;
+
+       if (btv->audio_mode_gpio)
+               btv->audio_mode_gpio(btv, t, 0);
+
+       mutex_unlock(&btv->lock);
+       return 0;
+}
+
+static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       *p = v4l2_prio_max(&btv->prio);
+
+       return 0;
+}
+
+static int bttv_s_priority(struct file *file, void *f,
+                                       enum v4l2_priority prio)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       return v4l2_prio_change(&btv->prio, &fh->prio, prio);
+}
+
+static int bttv_cropcap(struct file *file, void *priv,
+                               struct v4l2_cropcap *cap)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+
+       if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+           cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+               return -EINVAL;
+
+       *cap = bttv_tvnorms[btv->tvnorm].cropcap;
+
+       return 0;
+}
+
+static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+
+       if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+           crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+               return -EINVAL;
 
-               retval = -EBUSY;
+       /* No fh->do_crop = 1; because btv->crop[1] may be
+          inconsistent with fh->width or fh->height and apps
+          do not expect a change here. */
 
-               if (locked_btres(fh->btv, VIDEO_RESOURCES))
-                       goto btv_unlock_and_return;
+       crop->c = btv->crop[!!fh->do_crop].rect;
 
-               b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
+       return 0;
+}
 
-               b_left = b->left;
-               b_right = b_left + b->width;
-               b_bottom = b->top + b->height;
+static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
+{
+       struct bttv_fh *fh = f;
+       struct bttv *btv = fh->btv;
+       const struct v4l2_rect *b;
+       int retval;
+       struct bttv_crop c;
+       __s32 b_left;
+       __s32 b_top;
+       __s32 b_right;
+       __s32 b_bottom;
 
-               b_top = max(b->top, btv->vbi_end);
-               if (b_top + 32 >= b_bottom)
-                       goto btv_unlock_and_return;
+       if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+           crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+               return -EINVAL;
 
-               /* Min. scaled size 48 x 32. */
-               c.rect.left = clamp(crop->c.left, b_left, b_right - 48);
-               c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
+       retval = v4l2_prio_check(&btv->prio, &fh->prio);
+       if (0 != retval)
+               return retval;
 
-               c.rect.width = clamp(crop->c.width,
-                                    48, b_right - c.rect.left);
+       /* Make sure tvnorm, vbi_end and the current cropping
+          parameters remain consistent until we're done. Note
+          read() may change vbi_end in check_alloc_btres(). */
+       mutex_lock(&btv->lock);
 
-               c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32);
-               /* Top and height must be a multiple of two. */
-               c.rect.top = (c.rect.top + 1) & ~1;
+       retval = -EBUSY;
 
-               c.rect.height = clamp(crop->c.height,
-                                     32, b_bottom - c.rect.top);
-               c.rect.height = (c.rect.height + 1) & ~1;
+       if (locked_btres(fh->btv, VIDEO_RESOURCES)) {
+               mutex_unlock(&btv->lock);
+               return retval;
+       }
 
-               bttv_crop_calc_limits(&c);
+       b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
 
-               btv->crop[1] = c;
+       b_left = b->left;
+       b_right = b_left + b->width;
+       b_bottom = b->top + b->height;
 
+       b_top = max(b->top, btv->vbi_end);
+       if (b_top + 32 >= b_bottom) {
                mutex_unlock(&btv->lock);
+               return retval;
+       }
 
-               fh->do_crop = 1;
+       /* Min. scaled size 48 x 32. */
+       c.rect.left = clamp(crop->c.left, b_left, b_right - 48);
+       c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
 
-               mutex_lock(&fh->cap.lock);
+       c.rect.width = clamp(crop->c.width,
+                            48, b_right - c.rect.left);
 
-               if (fh->width < c.min_scaled_width) {
-                       fh->width = c.min_scaled_width;
-                       btv->init.width = c.min_scaled_width;
-               } else if (fh->width > c.max_scaled_width) {
-                       fh->width = c.max_scaled_width;
-                       btv->init.width = c.max_scaled_width;
-               }
+       c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32);
+       /* Top and height must be a multiple of two. */
+       c.rect.top = (c.rect.top + 1) & ~1;
 
-               if (fh->height < c.min_scaled_height) {
-                       fh->height = c.min_scaled_height;
-                       btv->init.height = c.min_scaled_height;
-               } else if (fh->height > c.max_scaled_height) {
-                       fh->height = c.max_scaled_height;
-                       btv->init.height = c.max_scaled_height;
-               }
+       c.rect.height = clamp(crop->c.height,
+                             32, b_bottom - c.rect.top);
+       c.rect.height = (c.rect.height + 1) & ~1;
 
-               mutex_unlock(&fh->cap.lock);
+       bttv_crop_calc_limits(&c);
 
-               return 0;
+       btv->crop[1] = c;
+
+       mutex_unlock(&btv->lock);
+
+       fh->do_crop = 1;
+
+       mutex_lock(&fh->cap.vb_lock);
+
+       if (fh->width < c.min_scaled_width) {
+               fh->width = c.min_scaled_width;
+               btv->init.width = c.min_scaled_width;
+       } else if (fh->width > c.max_scaled_width) {
+               fh->width = c.max_scaled_width;
+               btv->init.width = c.max_scaled_width;
        }
 
-       case VIDIOC_ENUMSTD:
-       case VIDIOC_G_STD:
-       case VIDIOC_S_STD:
-       case VIDIOC_ENUMINPUT:
-       case VIDIOC_G_INPUT:
-       case VIDIOC_S_INPUT:
-       case VIDIOC_S_TUNER:
-       case VIDIOC_G_FREQUENCY:
-       case VIDIOC_S_FREQUENCY:
-       case VIDIOC_LOG_STATUS:
-       case VIDIOC_G_CTRL:
-       case VIDIOC_S_CTRL:
-       case VIDIOC_DBG_G_REGISTER:
-       case VIDIOC_DBG_S_REGISTER:
-               return bttv_common_ioctls(btv,cmd,arg);
-       default:
-               return v4l_compat_translate_ioctl(inode,file,cmd,arg,
-                                                 bttv_do_ioctl);
+       if (fh->height < c.min_scaled_height) {
+               fh->height = c.min_scaled_height;
+               btv->init.height = c.min_scaled_height;
+       } else if (fh->height > c.max_scaled_height) {
+               fh->height = c.max_scaled_height;
+               btv->init.height = c.max_scaled_height;
        }
+
+       mutex_unlock(&fh->cap.vb_lock);
+
        return 0;
+}
 
- fh_unlock_and_return:
-       mutex_unlock(&fh->cap.lock);
-       return retval;
+static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
+{
+       if (unlikely(a->index))
+               return -EINVAL;
 
- btv_unlock_and_return:
-       mutex_unlock(&btv->lock);
-       return retval;
+       strcpy(a->name, "audio");
+       return 0;
 }
 
-static int bttv_ioctl(struct inode *inode, struct file *file,
-                     unsigned int cmd, unsigned long arg)
+static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
 {
-       return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl);
+       if (unlikely(a->index))
+               return -EINVAL;
+
+       return 0;
 }
 
 static ssize_t bttv_read(struct file *file, char __user *data,
@@ -3215,6 +3155,7 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
        struct bttv_fh *fh = file->private_data;
        struct bttv_buffer *buf;
        enum v4l2_field field;
+       unsigned int rc = POLLERR;
 
        if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
                if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
@@ -3223,99 +3164,95 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
        }
 
        if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
+               mutex_lock(&fh->cap.vb_lock);
                /* streaming capture */
                if (list_empty(&fh->cap.stream))
-                       return POLLERR;
+                       goto err;
                buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
        } else {
                /* read() capture */
-               mutex_lock(&fh->cap.lock);
+               mutex_lock(&fh->cap.vb_lock);
                if (NULL == fh->cap.read_buf) {
                        /* need to capture a new frame */
-                       if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) {
-                               mutex_unlock(&fh->cap.lock);
-                               return POLLERR;
-                       }
-                       fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize);
-                       if (NULL == fh->cap.read_buf) {
-                               mutex_unlock(&fh->cap.lock);
-                               return POLLERR;
-                       }
+                       if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM))
+                               goto err;
+                       fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize);
+                       if (NULL == fh->cap.read_buf)
+                               goto err;
                        fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
                        field = videobuf_next_field(&fh->cap);
                        if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
                                kfree (fh->cap.read_buf);
                                fh->cap.read_buf = NULL;
-                               mutex_unlock(&fh->cap.lock);
-                               return POLLERR;
+                               goto err;
                        }
                        fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
                        fh->cap.read_off = 0;
                }
-               mutex_unlock(&fh->cap.lock);
+               mutex_unlock(&fh->cap.vb_lock);
                buf = (struct bttv_buffer*)fh->cap.read_buf;
        }
 
        poll_wait(file, &buf->vb.done, wait);
-       if (buf->vb.state == STATE_DONE ||
-           buf->vb.state == STATE_ERROR)
-               return POLLIN|POLLRDNORM;
-       return 0;
+       if (buf->vb.state == VIDEOBUF_DONE ||
+           buf->vb.state == VIDEOBUF_ERROR)
+               rc =  POLLIN|POLLRDNORM;
+       else
+               rc = 0;
+err:
+       mutex_unlock(&fh->cap.vb_lock);
+       return rc;
 }
 
-static int bttv_open(struct inode *inode, struct file *file)
+static int bttv_open(struct file *file)
 {
-       int minor = iminor(inode);
-       struct bttv *btv = NULL;
+       int minor = video_devdata(file)->minor;
+       struct bttv *btv = video_drvdata(file);
        struct bttv_fh *fh;
        enum v4l2_buf_type type = 0;
-       unsigned int i;
 
        dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
 
-       for (i = 0; i < bttv_num; i++) {
-               if (bttvs[i].video_dev &&
-                   bttvs[i].video_dev->minor == minor) {
-                       btv = &bttvs[i];
-                       type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                       break;
-               }
-               if (bttvs[i].vbi_dev &&
-                   bttvs[i].vbi_dev->minor == minor) {
-                       btv = &bttvs[i];
-                       type = V4L2_BUF_TYPE_VBI_CAPTURE;
-                       break;
-               }
-       }
-       if (NULL == btv)
+       lock_kernel();
+       if (btv->video_dev->minor == minor) {
+               type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+       } else if (btv->vbi_dev->minor == minor) {
+               type = V4L2_BUF_TYPE_VBI_CAPTURE;
+       } else {
+               WARN_ON(1);
+               unlock_kernel();
                return -ENODEV;
+       }
 
        dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
                btv->c.nr,v4l2_type_names[type]);
 
        /* allocate per filehandle data */
        fh = kmalloc(sizeof(*fh),GFP_KERNEL);
-       if (NULL == fh)
+       if (NULL == fh) {
+               unlock_kernel();
                return -ENOMEM;
+       }
        file->private_data = fh;
        *fh = btv->init;
        fh->type = type;
        fh->ov.setup_ok = 0;
        v4l2_prio_open(&btv->prio,&fh->prio);
 
-       videobuf_queue_pci_init(&fh->cap, &bttv_video_qops,
-                           btv->c.pci, &btv->s_lock,
+       videobuf_queue_sg_init(&fh->cap, &bttv_video_qops,
+                           &btv->c.pci->dev, &btv->s_lock,
                            V4L2_BUF_TYPE_VIDEO_CAPTURE,
                            V4L2_FIELD_INTERLACED,
                            sizeof(struct bttv_buffer),
                            fh);
-       videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops,
-                           btv->c.pci, &btv->s_lock,
+       videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops,
+                           &btv->c.pci->dev, &btv->s_lock,
                            V4L2_BUF_TYPE_VBI_CAPTURE,
                            V4L2_FIELD_SEQ_TB,
                            sizeof(struct bttv_buffer),
                            fh);
        set_tvnorm(btv,btv->tvnorm);
+       set_input(btv, btv->input, btv->tvnorm);
 
        btv->users++;
 
@@ -3336,10 +3273,11 @@ static int bttv_open(struct inode *inode, struct file *file)
        bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
 
        bttv_field_count(btv);
+       unlock_kernel();
        return 0;
 }
 
-static int bttv_release(struct inode *inode, struct file *file)
+static int bttv_release(struct file *file)
 {
        struct bttv_fh *fh = file->private_data;
        struct bttv *btv = fh->btv;
@@ -3376,6 +3314,10 @@ static int bttv_release(struct inode *inode, struct file *file)
 
        btv->users--;
        bttv_field_count(btv);
+
+       if (!btv->users)
+               audio_mute(btv, 1);
+
        return 0;
 }
 
@@ -3390,185 +3332,316 @@ bttv_mmap(struct file *file, struct vm_area_struct *vma)
        return videobuf_mmap_mapper(bttv_queue(fh),vma);
 }
 
-static const struct file_operations bttv_fops =
+static const struct v4l2_file_operations bttv_fops =
 {
        .owner    = THIS_MODULE,
        .open     = bttv_open,
        .release  = bttv_release,
-       .ioctl    = bttv_ioctl,
-       .compat_ioctl   = v4l_compat_ioctl32,
-       .llseek   = no_llseek,
+       .ioctl    = video_ioctl2,
        .read     = bttv_read,
        .mmap     = bttv_mmap,
        .poll     = bttv_poll,
 };
 
-static struct video_device bttv_video_template =
-{
-       .name     = "UNSET",
-       .type     = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
-                   VID_TYPE_CLIPPING|VID_TYPE_SCALES,
-       .fops     = &bttv_fops,
-       .minor    = -1,
+static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
+       .vidioc_querycap                = bttv_querycap,
+       .vidioc_enum_fmt_vid_cap        = bttv_enum_fmt_vid_cap,
+       .vidioc_g_fmt_vid_cap           = bttv_g_fmt_vid_cap,
+       .vidioc_try_fmt_vid_cap         = bttv_try_fmt_vid_cap,
+       .vidioc_s_fmt_vid_cap           = bttv_s_fmt_vid_cap,
+       .vidioc_enum_fmt_vid_overlay    = bttv_enum_fmt_vid_overlay,
+       .vidioc_g_fmt_vid_overlay       = bttv_g_fmt_vid_overlay,
+       .vidioc_try_fmt_vid_overlay     = bttv_try_fmt_vid_overlay,
+       .vidioc_s_fmt_vid_overlay       = bttv_s_fmt_vid_overlay,
+       .vidioc_g_fmt_vbi_cap           = bttv_g_fmt_vbi_cap,
+       .vidioc_try_fmt_vbi_cap         = bttv_try_fmt_vbi_cap,
+       .vidioc_s_fmt_vbi_cap           = bttv_s_fmt_vbi_cap,
+       .vidioc_g_audio                 = bttv_g_audio,
+       .vidioc_s_audio                 = bttv_s_audio,
+       .vidioc_cropcap                 = bttv_cropcap,
+       .vidioc_reqbufs                 = bttv_reqbufs,
+       .vidioc_querybuf                = bttv_querybuf,
+       .vidioc_qbuf                    = bttv_qbuf,
+       .vidioc_dqbuf                   = bttv_dqbuf,
+       .vidioc_s_std                   = bttv_s_std,
+       .vidioc_enum_input              = bttv_enum_input,
+       .vidioc_g_input                 = bttv_g_input,
+       .vidioc_s_input                 = bttv_s_input,
+       .vidioc_queryctrl               = bttv_queryctrl,
+       .vidioc_g_ctrl                  = bttv_g_ctrl,
+       .vidioc_s_ctrl                  = bttv_s_ctrl,
+       .vidioc_streamon                = bttv_streamon,
+       .vidioc_streamoff               = bttv_streamoff,
+       .vidioc_g_tuner                 = bttv_g_tuner,
+       .vidioc_s_tuner                 = bttv_s_tuner,
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+       .vidiocgmbuf                    = vidiocgmbuf,
+#endif
+       .vidioc_g_crop                  = bttv_g_crop,
+       .vidioc_s_crop                  = bttv_s_crop,
+       .vidioc_g_fbuf                  = bttv_g_fbuf,
+       .vidioc_s_fbuf                  = bttv_s_fbuf,
+       .vidioc_overlay                 = bttv_overlay,
+       .vidioc_g_priority              = bttv_g_priority,
+       .vidioc_s_priority              = bttv_s_priority,
+       .vidioc_g_parm                  = bttv_g_parm,
+       .vidioc_g_frequency             = bttv_g_frequency,
+       .vidioc_s_frequency             = bttv_s_frequency,
+       .vidioc_log_status              = bttv_log_status,
+       .vidioc_querystd                = bttv_querystd,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+       .vidioc_g_register              = bttv_g_register,
+       .vidioc_s_register              = bttv_s_register,
+#endif
 };
 
-static struct video_device bttv_vbi_template =
-{
-       .name     = "bt848/878 vbi",
-       .type     = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
-       .fops     = &bttv_fops,
-       .minor    = -1,
+static struct video_device bttv_video_template = {
+       .fops         = &bttv_fops,
+       .minor        = -1,
+       .ioctl_ops    = &bttv_ioctl_ops,
+       .tvnorms      = BTTV_NORMS,
+       .current_norm = V4L2_STD_PAL,
 };
 
 /* ----------------------------------------------------------------------- */
 /* radio interface                                                         */
 
-static int radio_open(struct inode *inode, struct file *file)
+static int radio_open(struct file *file)
 {
-       int minor = iminor(inode);
-       struct bttv *btv = NULL;
-       unsigned int i;
+       int minor = video_devdata(file)->minor;
+       struct bttv *btv = video_drvdata(file);
+       struct bttv_fh *fh;
 
        dprintk("bttv: open minor=%d\n",minor);
 
-       for (i = 0; i < bttv_num; i++) {
-               if (bttvs[i].radio_dev->minor == minor) {
-                       btv = &bttvs[i];
-                       break;
-               }
-       }
-       if (NULL == btv)
+       lock_kernel();
+       WARN_ON(btv->radio_dev && btv->radio_dev->minor != minor);
+       if (!btv->radio_dev || btv->radio_dev->minor != minor) {
+               unlock_kernel();
                return -ENODEV;
+       }
 
        dprintk("bttv%d: open called (radio)\n",btv->c.nr);
+
+       /* allocate per filehandle data */
+       fh = kmalloc(sizeof(*fh), GFP_KERNEL);
+       if (NULL == fh) {
+               unlock_kernel();
+               return -ENOMEM;
+       }
+       file->private_data = fh;
+       *fh = btv->init;
+       v4l2_prio_open(&btv->prio, &fh->prio);
+
        mutex_lock(&btv->lock);
 
        btv->radio_user++;
 
-       file->private_data = btv;
-
-       bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL);
+       bttv_call_all(btv, tuner, s_radio);
        audio_input(btv,TVAUDIO_INPUT_RADIO);
 
        mutex_unlock(&btv->lock);
+       unlock_kernel();
        return 0;
 }
 
-static int radio_release(struct inode *inode, struct file *file)
+static int radio_release(struct file *file)
 {
-       struct bttv        *btv = file->private_data;
+       struct bttv_fh *fh = file->private_data;
+       struct bttv *btv = fh->btv;
        struct rds_command cmd;
 
+       v4l2_prio_close(&btv->prio,&fh->prio);
+       file->private_data = NULL;
+       kfree(fh);
+
        btv->radio_user--;
 
-       bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd);
+       bttv_call_all(btv, core, ioctl, RDS_CMD_CLOSE, &cmd);
 
        return 0;
 }
 
-static int radio_do_ioctl(struct inode *inode, struct file *file,
-                         unsigned int cmd, void *arg)
+static int radio_querycap(struct file *file, void *priv,
+                                       struct v4l2_capability *cap)
 {
-       struct bttv    *btv = file->private_data;
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-       switch (cmd) {
-       case VIDIOC_QUERYCAP:
-       {
-               struct v4l2_capability *cap = arg;
-
-               memset(cap,0,sizeof(*cap));
-               strcpy(cap->driver, "bttv");
-               strlcpy(cap->card, btv->radio_dev->name,sizeof(cap->card));
-               sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci));
-               cap->version = BTTV_VERSION_CODE;
-               cap->capabilities = V4L2_CAP_TUNER;
-               return 0;
-       }
-       case VIDIOC_G_TUNER:
-       {
-               struct v4l2_tuner *t = arg;
+       strcpy(cap->driver, "bttv");
+       strlcpy(cap->card, btv->radio_dev->name, sizeof(cap->card));
+       sprintf(cap->bus_info, "PCI:%s", pci_name(btv->c.pci));
+       cap->version = BTTV_VERSION_CODE;
+       cap->capabilities = V4L2_CAP_TUNER;
 
-               if (UNSET == bttv_tvcards[btv->c.type].tuner)
-                       return -EINVAL;
-               if (0 != t->index)
-                       return -EINVAL;
-               mutex_lock(&btv->lock);
-               memset(t,0,sizeof(*t));
-               strcpy(t->name, "Radio");
-               t->type = V4L2_TUNER_RADIO;
+       return 0;
+}
 
-               bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
+static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
 
-               mutex_unlock(&btv->lock);
+       if (btv->tuner_type == TUNER_ABSENT)
+               return -EINVAL;
+       if (0 != t->index)
+               return -EINVAL;
+       mutex_lock(&btv->lock);
+       strcpy(t->name, "Radio");
+       t->type = V4L2_TUNER_RADIO;
+
+       bttv_call_all(btv, tuner, g_tuner, t);
+
+       if (btv->audio_mode_gpio)
+               btv->audio_mode_gpio(btv, t, 0);
+
+       mutex_unlock(&btv->lock);
 
-               return 0;
-       }
-       case VIDIOC_S_TUNER:
-       case VIDIOC_G_FREQUENCY:
-       case VIDIOC_S_FREQUENCY:
-       case VIDIOC_G_CTRL:
-       case VIDIOC_S_CTRL:
-       case VIDIOC_LOG_STATUS:
-       case VIDIOC_DBG_G_REGISTER:
-       case VIDIOC_DBG_S_REGISTER:
-               return bttv_common_ioctls(btv,cmd,arg);
-       default:
-               return v4l_compat_translate_ioctl(inode,file,cmd,arg,
-                                                 radio_do_ioctl);
-       }
        return 0;
 }
 
-static int radio_ioctl(struct inode *inode, struct file *file,
-                      unsigned int cmd, unsigned long arg)
+static int radio_enum_input(struct file *file, void *priv,
+                               struct v4l2_input *i)
 {
-       return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
+       if (i->index != 0)
+               return -EINVAL;
+
+       strcpy(i->name, "Radio");
+       i->type = V4L2_INPUT_TYPE_TUNER;
+
+       return 0;
+}
+
+static int radio_g_audio(struct file *file, void *priv,
+                                       struct v4l2_audio *a)
+{
+       if (unlikely(a->index))
+               return -EINVAL;
+
+       strcpy(a->name, "Radio");
+
+       return 0;
+}
+
+static int radio_s_tuner(struct file *file, void *priv,
+                                       struct v4l2_tuner *t)
+{
+       struct bttv_fh *fh = priv;
+       struct bttv *btv = fh->btv;
+
+       if (0 != t->index)
+               return -EINVAL;
+
+       bttv_call_all(btv, tuner, g_tuner, t);
+       return 0;
+}
+
+static int radio_s_audio(struct file *file, void *priv,
+                                       struct v4l2_audio *a)
+{
+       if (unlikely(a->index))
+               return -EINVAL;
+
+       return 0;
+}
+
+static int radio_s_input(struct file *filp, void *priv, unsigned int i)
+{
+       if (unlikely(i))
+               return -EINVAL;
+
+       return 0;
+}
+
+static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
+{
+       return 0;
+}
+
+static int radio_queryctrl(struct file *file, void *priv,
+                                       struct v4l2_queryctrl *c)
+{
+       const struct v4l2_queryctrl *ctrl;
+
+       if (c->id <  V4L2_CID_BASE ||
+                       c->id >= V4L2_CID_LASTP1)
+               return -EINVAL;
+
+       if (c->id == V4L2_CID_AUDIO_MUTE) {
+               ctrl = ctrl_by_id(c->id);
+               *c = *ctrl;
+       } else
+               *c = no_ctl;
+
+       return 0;
+}
+
+static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+       *i = 0;
+       return 0;
 }
 
 static ssize_t radio_read(struct file *file, char __user *data,
                         size_t count, loff_t *ppos)
 {
-       struct bttv    *btv = file->private_data;
+       struct bttv_fh *fh = file->private_data;
+       struct bttv *btv = fh->btv;
        struct rds_command cmd;
        cmd.block_count = count/3;
        cmd.buffer = data;
        cmd.instance = file;
        cmd.result = -ENODEV;
 
-       bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd);
+       bttv_call_all(btv, core, ioctl, RDS_CMD_READ, &cmd);
 
        return cmd.result;
 }
 
 static unsigned int radio_poll(struct file *file, poll_table *wait)
 {
-       struct bttv    *btv = file->private_data;
+       struct bttv_fh *fh = file->private_data;
+       struct bttv *btv = fh->btv;
        struct rds_command cmd;
        cmd.instance = file;
        cmd.event_list = wait;
        cmd.result = -ENODEV;
-       bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd);
+       bttv_call_all(btv, core, ioctl, RDS_CMD_POLL, &cmd);
 
        return cmd.result;
 }
 
-static const struct file_operations radio_fops =
+static const struct v4l2_file_operations radio_fops =
 {
        .owner    = THIS_MODULE,
        .open     = radio_open,
        .read     = radio_read,
        .release  = radio_release,
-       .ioctl    = radio_ioctl,
-       .llseek   = no_llseek,
+       .ioctl    = video_ioctl2,
        .poll     = radio_poll,
 };
 
-static struct video_device radio_template =
-{
-       .name     = "bt848/878 radio",
-       .type     = VID_TYPE_TUNER,
-       .fops     = &radio_fops,
-       .minor    = -1,
+static const struct v4l2_ioctl_ops radio_ioctl_ops = {
+       .vidioc_querycap        = radio_querycap,
+       .vidioc_g_tuner         = radio_g_tuner,
+       .vidioc_enum_input      = radio_enum_input,
+       .vidioc_g_audio         = radio_g_audio,
+       .vidioc_s_tuner         = radio_s_tuner,
+       .vidioc_s_audio         = radio_s_audio,
+       .vidioc_s_input         = radio_s_input,
+       .vidioc_s_std           = radio_s_std,
+       .vidioc_queryctrl       = radio_queryctrl,
+       .vidioc_g_input         = radio_g_input,
+       .vidioc_g_ctrl          = bttv_g_ctrl,
+       .vidioc_s_ctrl          = bttv_s_ctrl,
+       .vidioc_g_frequency     = bttv_g_frequency,
+       .vidioc_s_frequency     = bttv_s_frequency,
+};
+
+static struct video_device radio_template = {
+       .fops      = &radio_fops,
+       .minor     = -1,
+       .ioctl_ops = &radio_ioctl_ops,
 };
 
 /* ----------------------------------------------------------------------- */
@@ -3617,14 +3690,14 @@ static void bttv_risc_disasm(struct bttv *btv,
        unsigned int i,j,n;
 
        printk("%s: risc disasm: %p [dma=0x%08lx]\n",
-              btv->c.name, risc->cpu, (unsigned long)risc->dma);
+              btv->c.v4l2_dev.name, risc->cpu, (unsigned long)risc->dma);
        for (i = 0; i < (risc->size >> 2); i += n) {
-               printk("%s:   0x%lx: ", btv->c.name,
+               printk("%s:   0x%lx: ", btv->c.v4l2_dev.name,
                       (unsigned long)(risc->dma + (i<<2)));
-               n = bttv_risc_decode(risc->cpu[i]);
+               n = bttv_risc_decode(le32_to_cpu(risc->cpu[i]));
                for (j = 1; j < n; j++)
                        printk("%s:   0x%lx: 0x%08x [ arg #%d ]\n",
-                              btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)),
+                              btv->c.v4l2_dev.name, (unsigned long)(risc->dma + ((i+j)<<2)),
                               risc->cpu[i+j], j);
                if (0 == risc->cpu[i])
                        break;
@@ -3690,8 +3763,8 @@ static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
        printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
               btv->c.nr,
               (unsigned long)btv->main.dma,
-              (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1],
-              (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1],
+              (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_VBI+1]),
+              (unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_FIELD+1]),
               (unsigned long)rc);
 
        if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
@@ -3727,11 +3800,34 @@ bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
                if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
                    (item->vb.queue.next != &btv->capture)) {
                        item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
+                       /* Mike Isely <isely@pobox.com> - Only check
+                        * and set up the bottom field in the logic
+                        * below.  Don't ever do the top field.  This
+                        * of course means that if we set up the
+                        * bottom field in the above code that we'll
+                        * actually skip a field.  But that's OK.
+                        * Having processed only a single buffer this
+                        * time, then the next time around the first
+                        * available buffer should be for a top field.
+                        * That will then cause us here to set up a
+                        * top then a bottom field in the normal way.
+                        * The alternative to this understanding is
+                        * that we set up the second available buffer
+                        * as a top field, but that's out of order
+                        * since this driver always processes the top
+                        * field first - the effect will be the two
+                        * buffers being returned in the wrong order,
+                        * with the second buffer also being delayed
+                        * by one field time (owing to the fifo nature
+                        * of videobuf).  Worse still, we'll be stuck
+                        * doing fields out of order now every time
+                        * until something else causes a field to be
+                        * dropped.  By effectively forcing a field to
+                        * drop this way then we always get back into
+                        * sync within a single frame time.  (Out of
+                        * order fields can screw up deinterlacing
+                        * algorithms.) */
                        if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
-                               if (NULL == set->top &&
-                                   V4L2_FIELD_TOP == item->vb.field) {
-                                       set->top = item;
-                               }
                                if (NULL == set->bottom &&
                                    V4L2_FIELD_BOTTOM == item->vb.field) {
                                        set->bottom = item;
@@ -3850,20 +3946,20 @@ static void bttv_irq_timeout(unsigned long data)
        bttv_set_dma(btv, 0);
 
        /* wake up */
-       bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR);
-       bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR);
+       bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR);
+       bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR);
 
        /* cancel all outstanding capture / vbi requests */
        while (!list_empty(&btv->capture)) {
                item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
                list_del(&item->vb.queue);
-               item->vb.state = STATE_ERROR;
+               item->vb.state = VIDEOBUF_ERROR;
                wake_up(&item->vb.done);
        }
        while (!list_empty(&btv->vcapture)) {
                item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
                list_del(&item->vb.queue);
-               item->vb.state = STATE_ERROR;
+               item->vb.state = VIDEOBUF_ERROR;
                wake_up(&item->vb.done);
        }
 
@@ -3886,7 +3982,7 @@ bttv_irq_wakeup_top(struct bttv *btv)
 
        do_gettimeofday(&wakeup->vb.ts);
        wakeup->vb.field_count = btv->field_count;
-       wakeup->vb.state = STATE_DONE;
+       wakeup->vb.state = VIDEOBUF_DONE;
        wake_up(&wakeup->vb.done);
        spin_unlock(&btv->s_lock);
 }
@@ -3935,7 +4031,7 @@ bttv_irq_switch_video(struct bttv *btv)
        }
 
        /* wake up finished buffers */
-       bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE);
+       bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE);
        spin_unlock(&btv->s_lock);
 }
 
@@ -3968,7 +4064,7 @@ bttv_irq_switch_vbi(struct bttv *btv)
        bttv_buffer_activate_vbi(btv, new);
        bttv_set_dma(btv, 0);
 
-       bttv_irq_wakeup_vbi(btv, old, STATE_DONE);
+       bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE);
        spin_unlock(&btv->s_lock);
 }
 
@@ -4090,8 +4186,8 @@ static irqreturn_t bttv_irq(int irq, void *dev_id)
 /* initialitation                                                          */
 
 static struct video_device *vdev_init(struct bttv *btv,
-                                     struct video_device *template,
-                                     char *type)
+                                     const struct video_device *template,
+                                     const char *type_name)
 {
        struct video_device *vfd;
 
@@ -4099,33 +4195,34 @@ static struct video_device *vdev_init(struct bttv *btv,
        if (NULL == vfd)
                return NULL;
        *vfd = *template;
-       vfd->minor   = -1;
-       vfd->dev     = &btv->c.pci->dev;
+       vfd->v4l2_dev = &btv->c.v4l2_dev;
        vfd->release = video_device_release;
+       vfd->debug   = bttv_debug;
+       video_set_drvdata(vfd, btv);
        snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
                 btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
-                type, bttv_tvcards[btv->c.type].name);
+                type_name, bttv_tvcards[btv->c.type].name);
        return vfd;
 }
 
 static void bttv_unregister_video(struct bttv *btv)
 {
        if (btv->video_dev) {
-               if (-1 != btv->video_dev->minor)
+               if (video_is_registered(btv->video_dev))
                        video_unregister_device(btv->video_dev);
                else
                        video_device_release(btv->video_dev);
                btv->video_dev = NULL;
        }
        if (btv->vbi_dev) {
-               if (-1 != btv->vbi_dev->minor)
+               if (video_is_registered(btv->vbi_dev))
                        video_unregister_device(btv->vbi_dev);
                else
                        video_device_release(btv->vbi_dev);
                btv->vbi_dev = NULL;
        }
        if (btv->radio_dev) {
-               if (-1 != btv->radio_dev->minor)
+               if (video_is_registered(btv->radio_dev))
                        video_unregister_device(btv->radio_dev);
                else
                        video_device_release(btv->radio_dev);
@@ -4136,21 +4233,20 @@ static void bttv_unregister_video(struct bttv *btv)
 /* register video4linux devices */
 static int __devinit bttv_register_video(struct bttv *btv)
 {
-       if (no_overlay <= 0) {
-               bttv_video_template.type |= VID_TYPE_OVERLAY;
-       } else {
+       if (no_overlay > 0)
                printk("bttv: Overlay support disabled.\n");
-       }
 
        /* video */
        btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
+
        if (NULL == btv->video_dev)
                goto err;
-       if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
+       if (video_register_device(btv->video_dev, VFL_TYPE_GRABBER,
+                                 video_nr[btv->c.nr]) < 0)
                goto err;
-       printk(KERN_INFO "bttv%d: registered device video%d\n",
-              btv->c.nr,btv->video_dev->minor & 0x1f);
-       if (device_create_file(&btv->video_dev->class_dev,
+       printk(KERN_INFO "bttv%d: registered device %s\n",
+              btv->c.nr, video_device_node_name(btv->video_dev));
+       if (device_create_file(&btv->video_dev->dev,
                                     &dev_attr_card)<0) {
                printk(KERN_ERR "bttv%d: device_create_file 'card' "
                       "failed\n", btv->c.nr);
@@ -4158,13 +4254,15 @@ static int __devinit bttv_register_video(struct bttv *btv)
        }
 
        /* vbi */
-       btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
+       btv->vbi_dev = vdev_init(btv, &bttv_video_template, "vbi");
+
        if (NULL == btv->vbi_dev)
                goto err;
-       if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
+       if (video_register_device(btv->vbi_dev, VFL_TYPE_VBI,
+                                 vbi_nr[btv->c.nr]) < 0)
                goto err;
-       printk(KERN_INFO "bttv%d: registered device vbi%d\n",
-              btv->c.nr,btv->vbi_dev->minor & 0x1f);
+       printk(KERN_INFO "bttv%d: registered device %s\n",
+              btv->c.nr, video_device_node_name(btv->vbi_dev));
 
        if (!btv->has_radio)
                return 0;
@@ -4172,10 +4270,11 @@ static int __devinit bttv_register_video(struct bttv *btv)
        btv->radio_dev = vdev_init(btv, &radio_template, "radio");
        if (NULL == btv->radio_dev)
                goto err;
-       if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
+       if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,
+                                 radio_nr[btv->c.nr]) < 0)
                goto err;
-       printk(KERN_INFO "bttv%d: registered device radio%d\n",
-              btv->c.nr,btv->radio_dev->minor & 0x1f);
+       printk(KERN_INFO "bttv%d: registered device %s\n",
+              btv->c.nr, video_device_node_name(btv->radio_dev));
 
        /* all done */
        return 0;
@@ -4209,10 +4308,14 @@ static int __devinit bttv_probe(struct pci_dev *dev,
        if (bttv_num == BTTV_MAX)
                return -ENOMEM;
        printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
-       btv=&bttvs[bttv_num];
-       memset(btv,0,sizeof(*btv));
+       bttvs[bttv_num] = btv = kzalloc(sizeof(*btv), GFP_KERNEL);
+       if (btv == NULL) {
+               printk(KERN_ERR "bttv: out of memory.\n");
+               return -ENOMEM;
+       }
        btv->c.nr  = bttv_num;
-       sprintf(btv->c.name,"bttv%d",btv->c.nr);
+       snprintf(btv->c.v4l2_dev.name, sizeof(btv->c.v4l2_dev.name),
+                       "bttv%d", btv->c.nr);
 
        /* initialize structs / fill in defaults */
        mutex_init(&btv->lock);
@@ -4242,14 +4345,14 @@ static int __devinit bttv_probe(struct pci_dev *dev,
                       btv->c.nr);
                return -EIO;
        }
-       if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
+       if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
                printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
                       btv->c.nr);
                return -EIO;
        }
        if (!request_mem_region(pci_resource_start(dev,0),
                                pci_resource_len(dev,0),
-                               btv->c.name)) {
+                               btv->c.v4l2_dev.name)) {
                printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n",
                       btv->c.nr,
                       (unsigned long long)pci_resource_start(dev,0));
@@ -4257,7 +4360,12 @@ static int __devinit bttv_probe(struct pci_dev *dev,
        }
        pci_set_master(dev);
        pci_set_command(dev);
-       pci_set_drvdata(dev,btv);
+
+       result = v4l2_device_register(&dev->dev, &btv->c.v4l2_dev);
+       if (result < 0) {
+               printk(KERN_WARNING "bttv%d: v4l2_device_register() failed\n", btv->c.nr);
+               goto fail0;
+       }
 
        pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
        pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
@@ -4281,7 +4389,7 @@ static int __devinit bttv_probe(struct pci_dev *dev,
        /* disable irqs, register irq handler */
        btwrite(0, BT848_INT_MASK);
        result = request_irq(btv->c.pci->irq, bttv_irq,
-                            IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv);
+           IRQF_SHARED | IRQF_DISABLED, btv->c.v4l2_dev.name, (void *)btv);
        if (result < 0) {
                printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
                       bttv_num,btv->c.pci->irq);
@@ -4336,6 +4444,7 @@ static int __devinit bttv_probe(struct pci_dev *dev,
 
        /* some card-specific stuff (needs working i2c) */
        bttv_init_card2(btv);
+       bttv_init_tuner(btv);
        init_irqreg(btv);
 
        /* register video4linux + input */
@@ -4365,21 +4474,24 @@ static int __devinit bttv_probe(struct pci_dev *dev,
        bttv_num++;
        return 0;
 
- fail2:
+fail2:
        free_irq(btv->c.pci->irq,btv);
 
- fail1:
+fail1:
+       v4l2_device_unregister(&btv->c.v4l2_dev);
+
+fail0:
        if (btv->bt848_mmio)
                iounmap(btv->bt848_mmio);
        release_mem_region(pci_resource_start(btv->c.pci,0),
                           pci_resource_len(btv->c.pci,0));
-       pci_set_drvdata(dev,NULL);
        return result;
 }
 
 static void __devexit bttv_remove(struct pci_dev *pci_dev)
 {
-       struct bttv *btv = pci_get_drvdata(pci_dev);
+       struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+       struct bttv *btv = to_bttv(v4l2_dev);
 
        if (bttv_verbose)
                printk("bttv%d: unloading\n",btv->c.nr);
@@ -4413,14 +4525,18 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev)
        release_mem_region(pci_resource_start(btv->c.pci,0),
                           pci_resource_len(btv->c.pci,0));
 
-       pci_set_drvdata(pci_dev, NULL);
+       v4l2_device_unregister(&btv->c.v4l2_dev);
+       bttvs[btv->c.nr] = NULL;
+       kfree(btv);
+
        return;
 }
 
 #ifdef CONFIG_PM
 static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
 {
-       struct bttv *btv = pci_get_drvdata(pci_dev);
+       struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+       struct bttv *btv = to_bttv(v4l2_dev);
        struct bttv_buffer_set idle;
        unsigned long flags;
 
@@ -4455,7 +4571,8 @@ static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
 
 static int bttv_resume(struct pci_dev *pci_dev)
 {
-       struct bttv *btv = pci_get_drvdata(pci_dev);
+       struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+       struct bttv *btv = to_bttv(v4l2_dev);
        unsigned long flags;
        int err;
 
@@ -4501,14 +4618,10 @@ static int bttv_resume(struct pci_dev *pci_dev)
 #endif
 
 static struct pci_device_id bttv_pci_tbl[] = {
-       {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
-        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
-        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
-        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
-        PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT848), 0},
+       {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT849), 0},
+       {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT878), 0},
+       {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT879), 0},
        {0,}
 };
 
@@ -4541,7 +4654,7 @@ static int __init bttv_init_module(void)
 #endif
        if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
                gbuffers = 2;
-       if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF)
+       if (gbufsize > BTTV_MAX_FBUF)
                gbufsize = BTTV_MAX_FBUF;
        gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
        if (bttv_verbose)
@@ -4555,14 +4668,17 @@ static int __init bttv_init_module(void)
                printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
                return ret;
        }
-       return pci_register_driver(&bttv_pci_driver);
+       ret = pci_register_driver(&bttv_pci_driver);
+       if (ret < 0)
+               bus_unregister(&bttv_sub_bus_type);
+
+       return ret;
 }
 
 static void __exit bttv_cleanup_module(void)
 {
        pci_unregister_driver(&bttv_pci_driver);
        bus_unregister(&bttv_sub_bus_type);
-       return;
 }
 
 module_init(bttv_init_module);