diff options
Diffstat (limited to 'drivers/media/video/bt8xx')
-rw-r--r-- | drivers/media/video/bt8xx/Kconfig | 4 | ||||
-rw-r--r-- | drivers/media/video/bt8xx/bttv-cards.c | 22 | ||||
-rw-r--r-- | drivers/media/video/bt8xx/bttv-driver.c | 174 | ||||
-rw-r--r-- | drivers/media/video/bt8xx/bttv-input.c | 243 | ||||
-rw-r--r-- | drivers/media/video/bt8xx/bttv.h | 1 | ||||
-rw-r--r-- | drivers/media/video/bt8xx/bttvp.h | 34 |
6 files changed, 228 insertions, 250 deletions
diff --git a/drivers/media/video/bt8xx/Kconfig b/drivers/media/video/bt8xx/Kconfig index 1a4a89fdf76..7da5c2e1fc1 100644 --- a/drivers/media/video/bt8xx/Kconfig +++ b/drivers/media/video/bt8xx/Kconfig @@ -1,10 +1,10 @@ config VIDEO_BT848 tristate "BT848 Video For Linux" - depends on VIDEO_DEV && PCI && I2C && VIDEO_V4L2 && INPUT + depends on VIDEO_DEV && PCI && I2C && VIDEO_V4L2 select I2C_ALGOBIT select VIDEO_BTCX select VIDEOBUF_DMA_SG - depends on VIDEO_IR + depends on RC_CORE select VIDEO_TUNER select VIDEO_TVEEPROM select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index 87d8b006ef7..49efcf660ba 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -3529,7 +3529,7 @@ void __devinit bttv_init_card2(struct bttv *btv) struct v4l2_subdev *sd; sd = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "saa6588", 0, addrs); + &btv->c.i2c_adap, "saa6588", 0, addrs); btv->has_saa6588 = (sd != NULL); } @@ -3554,7 +3554,7 @@ void __devinit bttv_init_card2(struct bttv *btv) }; btv->sd_msp34xx = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "msp3400", 0, addrs); + &btv->c.i2c_adap, "msp3400", 0, addrs); if (btv->sd_msp34xx) return; goto no_audio; @@ -3568,7 +3568,7 @@ void __devinit bttv_init_card2(struct bttv *btv) }; if (v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tda7432", 0, addrs)) + &btv->c.i2c_adap, "tda7432", 0, addrs)) return; goto no_audio; } @@ -3576,7 +3576,7 @@ void __devinit bttv_init_card2(struct bttv *btv) case 3: { /* The user specified that we should probe for tvaudio */ btv->sd_tvaudio = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tvaudio", 0, tvaudio_addrs()); + &btv->c.i2c_adap, "tvaudio", 0, tvaudio_addrs()); if (btv->sd_tvaudio) return; goto no_audio; @@ -3596,11 +3596,11 @@ void __devinit bttv_init_card2(struct bttv *btv) found is really something else (e.g. a tea6300). */ if (!bttv_tvcards[btv->c.type].no_msp34xx) { btv->sd_msp34xx = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "msp3400", + &btv->c.i2c_adap, "msp3400", 0, I2C_ADDRS(I2C_ADDR_MSP3400 >> 1)); } else if (bttv_tvcards[btv->c.type].msp34xx_alt) { btv->sd_msp34xx = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "msp3400", + &btv->c.i2c_adap, "msp3400", 0, I2C_ADDRS(I2C_ADDR_MSP3400_ALT >> 1)); } @@ -3616,13 +3616,13 @@ void __devinit bttv_init_card2(struct bttv *btv) }; if (v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tda7432", 0, addrs)) + &btv->c.i2c_adap, "tda7432", 0, addrs)) return; } /* Now see if we can find one of the tvaudio devices. */ btv->sd_tvaudio = v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tvaudio", 0, tvaudio_addrs()); + &btv->c.i2c_adap, "tvaudio", 0, tvaudio_addrs()); if (btv->sd_tvaudio) return; @@ -3646,13 +3646,13 @@ void __devinit bttv_init_tuner(struct bttv *btv) /* Load tuner module before issuing tuner config call! */ if (bttv_tvcards[btv->c.type].has_radio) v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tuner", + &btv->c.i2c_adap, "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_RADIO)); v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tuner", + &btv->c.i2c_adap, "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); v4l2_i2c_new_subdev(&btv->c.v4l2_dev, - &btv->c.i2c_adap, NULL, "tuner", + &btv->c.i2c_adap, "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV_WITH_DEMOD)); tun_setup.mode_mask = T_ANALOG_TV | T_DIGITAL_TV; diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index a529619e51f..91399c94cd1 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -55,7 +55,7 @@ #include <asm/io.h> #include <asm/byteorder.h> -#include <media/rds.h> +#include <media/saa6588.h> unsigned int bttv_num; /* number of Bt848s in use */ @@ -189,8 +189,14 @@ static void request_modules(struct bttv *dev) INIT_WORK(&dev->request_module_wk, request_module_async); schedule_work(&dev->request_module_wk); } + +static void flush_request_modules(struct bttv *dev) +{ + flush_work_sync(&dev->request_module_wk); +} #else #define request_modules(dev) +#define flush_request_modules(dev) #endif /* CONFIG_MODULES */ @@ -854,7 +860,6 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit) xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM; /* is it free? */ - mutex_lock(&btv->lock); if (btv->resources & xbits) { /* no, someone else uses it */ goto fail; @@ -884,11 +889,9 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit) /* it's free, grab it */ fh->resources |= bit; btv->resources |= bit; - mutex_unlock(&btv->lock); return 1; fail: - mutex_unlock(&btv->lock); return 0; } @@ -940,7 +943,6 @@ void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits) /* trying to free ressources not allocated by us ... */ printk("bttv: BUG! (btres)\n"); } - mutex_lock(&btv->lock); fh->resources &= ~bits; btv->resources &= ~bits; @@ -951,8 +953,6 @@ void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits) if (0 == (bits & VBI_RESOURCES)) disclaim_vbi_lines(btv); - - mutex_unlock(&btv->lock); } /* ----------------------------------------------------------------------- */ @@ -1713,28 +1713,20 @@ static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, /* Make sure tvnorm and vbi_end remain consistent until we're done. */ - mutex_lock(&btv->lock); norm = btv->tvnorm; /* In this mode capturing always starts at defrect.top (default VDELAY), ignoring cropping parameters. */ if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) { - mutex_unlock(&btv->lock); return -EINVAL; } - mutex_unlock(&btv->lock); - c.rect = bttv_tvnorms[norm].cropcap.defrect; } else { - mutex_lock(&btv->lock); - norm = btv->tvnorm; c = btv->crop[!!fh->do_crop]; - mutex_unlock(&btv->lock); - if (width < c.min_scaled_width || width > c.max_scaled_width || height < c.min_scaled_height) @@ -1858,7 +1850,6 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) unsigned int i; int err; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (err) goto err; @@ -1874,7 +1865,6 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) set_tvnorm(btv, i); err: - mutex_unlock(&btv->lock); return err; } @@ -1898,7 +1888,6 @@ static int bttv_enum_input(struct file *file, void *priv, struct bttv *btv = fh->btv; int rc = 0; - mutex_lock(&btv->lock); if (i->index >= bttv_tvcards[btv->c.type].video_inputs) { rc = -EINVAL; goto err; @@ -1928,7 +1917,6 @@ static int bttv_enum_input(struct file *file, void *priv, i->std = BTTV_NORMS; err: - mutex_unlock(&btv->lock); return rc; } @@ -1938,9 +1926,7 @@ static int bttv_g_input(struct file *file, void *priv, unsigned int *i) struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); *i = btv->input; - mutex_unlock(&btv->lock); return 0; } @@ -1952,7 +1938,6 @@ static int bttv_s_input(struct file *file, void *priv, unsigned int i) int err; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (unlikely(err)) goto err; @@ -1965,7 +1950,6 @@ static int bttv_s_input(struct file *file, void *priv, unsigned int i) set_input(btv, i, btv->tvnorm); err: - mutex_unlock(&btv->lock); return 0; } @@ -1979,7 +1963,6 @@ static int bttv_s_tuner(struct file *file, void *priv, if (unlikely(0 != t->index)) return -EINVAL; - mutex_lock(&btv->lock); if (unlikely(btv->tuner_type == TUNER_ABSENT)) { err = -EINVAL; goto err; @@ -1995,7 +1978,6 @@ static int bttv_s_tuner(struct file *file, void *priv, btv->audio_mode_gpio(btv, t, 1); err: - mutex_unlock(&btv->lock); return 0; } @@ -2006,10 +1988,8 @@ static int bttv_g_frequency(struct file *file, void *priv, struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); f->type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; f->frequency = btv->freq; - mutex_unlock(&btv->lock); return 0; } @@ -2024,7 +2004,6 @@ static int bttv_s_frequency(struct file *file, void *priv, if (unlikely(f->tuner != 0)) return -EINVAL; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (unlikely(err)) goto err; @@ -2039,7 +2018,6 @@ static int bttv_s_frequency(struct file *file, void *priv, if (btv->has_matchbox && btv->radio_user) tea5757_set_freq(btv, btv->freq); err: - mutex_unlock(&btv->lock); return 0; } @@ -2172,7 +2150,6 @@ limit_scaled_size_lock (struct bttv_fh * fh, /* Make sure tvnorm, vbi_end and the current cropping parameters remain consistent until we're done. */ - mutex_lock(&btv->lock); b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; @@ -2250,7 +2227,6 @@ limit_scaled_size_lock (struct bttv_fh * fh, rc = 0; /* success */ fail: - mutex_unlock(&btv->lock); return rc; } @@ -2282,9 +2258,7 @@ verify_window_lock (struct bttv_fh * fh, if (V4L2_FIELD_ANY == field) { __s32 height2; - mutex_lock(&fh->btv->lock); height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1; - mutex_unlock(&fh->btv->lock); field = (win->w.height > height2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; @@ -2360,7 +2334,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, } } - mutex_lock(&fh->cap.vb_lock); /* clip against screen */ if (NULL != btv->fbuf.base) n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, @@ -2391,13 +2364,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, fh->ov.field = win->field; fh->ov.setup_ok = 1; - /* - * FIXME: btv is protected by btv->lock mutex, while btv->init - * is protected by fh->cap.vb_lock. This seems to open the - * possibility for some race situations. Maybe the better would - * be to unify those locks or to use another way to store the - * init values that will be consumed by videobuf callbacks - */ btv->init.ov.w.width = win->w.width; btv->init.ov.w.height = win->w.height; btv->init.ov.field = win->field; @@ -2412,7 +2378,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv,fh,new); } - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2526,9 +2491,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv, if (V4L2_FIELD_ANY == field) { __s32 height2; - mutex_lock(&btv->lock); height2 = btv->crop[!!fh->do_crop].rect.height >> 1; - mutex_unlock(&btv->lock); field = (f->fmt.pix.height > height2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; @@ -2614,7 +2577,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, 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; @@ -2623,7 +2585,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, 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; } @@ -2642,34 +2603,6 @@ static int bttv_s_fmt_vid_overlay(struct file *file, void *priv, return setup_window_lock(fh, btv, &f->fmt.win, 1); } -#ifdef CONFIG_VIDEO_V4L1_COMPAT -static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) -{ - int retval; - unsigned int i; - struct bttv_fh *fh = priv; - - 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 - static int bttv_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { @@ -2775,10 +2708,8 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) int retval = 0; if (on) { - mutex_lock(&fh->cap.vb_lock); /* verify args */ if (unlikely(!btv->fbuf.base)) { - mutex_unlock(&fh->cap.vb_lock); return -EINVAL; } if (unlikely(!fh->ov.setup_ok)) { @@ -2787,13 +2718,11 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) } if (retval) return retval; - mutex_unlock(&fh->cap.vb_lock); } if (!check_alloc_btres_lock(btv, fh, RESOURCE_OVERLAY)) return -EBUSY; - mutex_lock(&fh->cap.vb_lock); if (on) { fh->ov.tvnorm = btv->tvnorm; new = videobuf_sg_alloc(sizeof(*new)); @@ -2805,7 +2734,6 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) /* switch over */ retval = bttv_switch_overlay(btv, fh, new); - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2844,7 +2772,6 @@ static int bttv_s_fbuf(struct file *file, void *f, } /* 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; @@ -2876,7 +2803,6 @@ static int bttv_s_fbuf(struct file *file, void *f, retval = bttv_switch_overlay(btv, fh, new); } } - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2955,7 +2881,6 @@ static int bttv_queryctrl(struct file *file, void *priv, c->id >= V4L2_CID_PRIVATE_LASTP1)) return -EINVAL; - mutex_lock(&btv->lock); if (!btv->volume_gpio && (c->id == V4L2_CID_AUDIO_VOLUME)) *c = no_ctl; else { @@ -2963,7 +2888,6 @@ static int bttv_queryctrl(struct file *file, void *priv, *c = (NULL != ctrl) ? *ctrl : no_ctl; } - mutex_unlock(&btv->lock); return 0; } @@ -2974,10 +2898,8 @@ static int bttv_g_parm(struct file *file, void *f, struct bttv_fh *fh = f; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id, &parm->parm.capture.timeperframe); - mutex_unlock(&btv->lock); return 0; } @@ -2993,7 +2915,6 @@ static int bttv_g_tuner(struct file *file, void *priv, 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"); @@ -3005,7 +2926,6 @@ static int bttv_g_tuner(struct file *file, void *priv, if (btv->audio_mode_gpio) btv->audio_mode_gpio(btv, t, 0); - mutex_unlock(&btv->lock); return 0; } @@ -3014,9 +2934,7 @@ static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p) struct bttv_fh *fh = f; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); *p = v4l2_prio_max(&btv->prio); - mutex_unlock(&btv->lock); return 0; } @@ -3028,9 +2946,7 @@ static int bttv_s_priority(struct file *file, void *f, struct bttv *btv = fh->btv; int rc; - mutex_lock(&btv->lock); rc = v4l2_prio_change(&btv->prio, &fh->prio, prio); - mutex_unlock(&btv->lock); return rc; } @@ -3045,9 +2961,7 @@ static int bttv_cropcap(struct file *file, void *priv, cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) return -EINVAL; - mutex_lock(&btv->lock); *cap = bttv_tvnorms[btv->tvnorm].cropcap; - mutex_unlock(&btv->lock); return 0; } @@ -3065,9 +2979,7 @@ static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop) inconsistent with fh->width or fh->height and apps do not expect a change here. */ - mutex_lock(&btv->lock); crop->c = btv->crop[!!fh->do_crop].rect; - mutex_unlock(&btv->lock); return 0; } @@ -3091,17 +3003,14 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) /* 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_lock(). */ - mutex_lock(&btv->lock); retval = v4l2_prio_check(&btv->prio, fh->prio); if (0 != retval) { - mutex_unlock(&btv->lock); return retval; } retval = -EBUSY; if (locked_btres(fh->btv, VIDEO_RESOURCES)) { - mutex_unlock(&btv->lock); return retval; } @@ -3113,7 +3022,6 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) b_top = max(b->top, btv->vbi_end); if (b_top + 32 >= b_bottom) { - mutex_unlock(&btv->lock); return retval; } @@ -3136,12 +3044,8 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) 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; @@ -3158,8 +3062,6 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) btv->init.height = c.max_scaled_height; } - mutex_unlock(&fh->cap.vb_lock); - return 0; } @@ -3227,7 +3129,6 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) return videobuf_poll_stream(file, &fh->vbi, wait); } - mutex_lock(&fh->cap.vb_lock); if (check_btres(fh,RESOURCE_VIDEO_STREAM)) { /* streaming capture */ if (list_empty(&fh->cap.stream)) @@ -3262,7 +3163,6 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) else rc = 0; err: - mutex_unlock(&fh->cap.vb_lock); return rc; } @@ -3293,23 +3193,11 @@ static int bttv_open(struct file *file) return -ENOMEM; file->private_data = fh; - /* - * btv is protected by btv->lock mutex, while btv->init and other - * streaming vars are protected by fh->cap.vb_lock. We need to take - * care of both locks to avoid troubles. However, vb_lock is used also - * inside videobuf, without calling buf->lock. So, it is a very bad - * idea to hold both locks at the same time. - * Let's first copy btv->init at fh, holding cap.vb_lock, and then work - * with the rest of init, holding btv->lock. - */ - mutex_lock(&fh->cap.vb_lock); *fh = btv->init; - mutex_unlock(&fh->cap.vb_lock); fh->type = type; fh->ov.setup_ok = 0; - mutex_lock(&btv->lock); v4l2_prio_open(&btv->prio, &fh->prio); videobuf_queue_sg_init(&fh->cap, &bttv_video_qops, @@ -3317,13 +3205,13 @@ static int bttv_open(struct file *file) V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct bttv_buffer), - fh, NULL); + fh, &btv->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, NULL); + fh, &btv->lock); set_tvnorm(btv,btv->tvnorm); set_input(btv, btv->input, btv->tvnorm); @@ -3346,7 +3234,6 @@ static int bttv_open(struct file *file) bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); bttv_field_count(btv); - mutex_unlock(&btv->lock); return 0; } @@ -3355,7 +3242,6 @@ static int bttv_release(struct file *file) struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); /* turn off overlay */ if (check_btres(fh, RESOURCE_OVERLAY)) bttv_switch_overlay(btv,fh,NULL); @@ -3381,14 +3267,8 @@ static int bttv_release(struct file *file) /* free stuff */ - /* - * videobuf uses cap.vb_lock - we should avoid holding btv->lock, - * otherwise we may have dead lock conditions - */ - mutex_unlock(&btv->lock); videobuf_mmap_free(&fh->cap); videobuf_mmap_free(&fh->vbi); - mutex_lock(&btv->lock); v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; kfree(fh); @@ -3398,7 +3278,6 @@ static int bttv_release(struct file *file) if (!btv->users) audio_mute(btv, 1); - mutex_unlock(&btv->lock); return 0; } @@ -3456,9 +3335,6 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = { .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, @@ -3502,11 +3378,8 @@ static int radio_open(struct file *file) if (unlikely(!fh)) return -ENOMEM; file->private_data = fh; - mutex_lock(&fh->cap.vb_lock); *fh = btv->init; - mutex_unlock(&fh->cap.vb_lock); - mutex_lock(&btv->lock); v4l2_prio_open(&btv->prio, &fh->prio); btv->radio_user++; @@ -3514,7 +3387,6 @@ static int radio_open(struct file *file) bttv_call_all(btv, tuner, s_radio); audio_input(btv,TVAUDIO_INPUT_RADIO); - mutex_unlock(&btv->lock); return 0; } @@ -3522,17 +3394,15 @@ static int radio_release(struct file *file) { struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - struct rds_command cmd; + struct saa6588_command cmd; - mutex_lock(&btv->lock); v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; kfree(fh); btv->radio_user--; - bttv_call_all(btv, core, ioctl, RDS_CMD_CLOSE, &cmd); - mutex_unlock(&btv->lock); + bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd); return 0; } @@ -3561,7 +3431,6 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) return -EINVAL; if (0 != t->index) return -EINVAL; - mutex_lock(&btv->lock); strcpy(t->name, "Radio"); t->type = V4L2_TUNER_RADIO; @@ -3570,8 +3439,6 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) if (btv->audio_mode_gpio) btv->audio_mode_gpio(btv, t, 0); - mutex_unlock(&btv->lock); - return 0; } @@ -3662,13 +3529,13 @@ static ssize_t radio_read(struct file *file, char __user *data, { struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - struct rds_command cmd; + struct saa6588_command cmd; cmd.block_count = count/3; cmd.buffer = data; cmd.instance = file; cmd.result = -ENODEV; - bttv_call_all(btv, core, ioctl, RDS_CMD_READ, &cmd); + bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd); return cmd.result; } @@ -3677,11 +3544,11 @@ static unsigned int radio_poll(struct file *file, poll_table *wait) { struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - struct rds_command cmd; + struct saa6588_command cmd; cmd.instance = file; cmd.event_list = wait; cmd.result = -ENODEV; - bttv_call_all(btv, core, ioctl, RDS_CMD_POLL, &cmd); + bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd); return cmd.result; } @@ -3692,7 +3559,7 @@ static const struct v4l2_file_operations radio_fops = .open = radio_open, .read = radio_read, .release = radio_release, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .poll = radio_poll, }; @@ -4152,9 +4019,6 @@ static irqreturn_t bttv_irq(int irq, void *dev_id) btv=(struct bttv *)dev_id; - if (btv->custom_irq) - handled = btv->custom_irq(btv); - count=0; while (1) { /* get/clear interrupt status bits */ @@ -4190,7 +4054,6 @@ static irqreturn_t bttv_irq(int irq, void *dev_id) btv->field_count++; if ((astat & BT848_INT_GPINT) && btv->remote) { - wake_up(&btv->gpioq); bttv_input_irq(btv); } @@ -4395,7 +4258,6 @@ static int __devinit bttv_probe(struct pci_dev *dev, mutex_init(&btv->lock); spin_lock_init(&btv->s_lock); spin_lock_init(&btv->gpio_lock); - init_waitqueue_head(&btv->gpioq); init_waitqueue_head(&btv->i2c_queue); INIT_LIST_HEAD(&btv->c.subs); INIT_LIST_HEAD(&btv->capture); @@ -4573,6 +4435,9 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev) if (bttv_verbose) printk("bttv%d: unloading\n",btv->c.nr); + if (bttv_tvcards[btv->c.type].has_dvb) + flush_request_modules(btv); + /* shutdown everything (DMA+IRQs) */ btand(~15, BT848_GPIO_DMA_CTL); btwrite(0, BT848_INT_MASK); @@ -4583,7 +4448,6 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev) /* tell gpio modules we are leaving ... */ btv->shutdown=1; - wake_up(&btv->gpioq); bttv_input_fini(btv); bttv_sub_del_devices(&btv->c); diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c index 6bf05a7dc5f..e8b64bca9db 100644 --- a/drivers/media/video/bt8xx/bttv-input.c +++ b/drivers/media/video/bt8xx/bttv-input.c @@ -31,15 +31,9 @@ static int ir_debug; module_param(ir_debug, int, 0644); -static int repeat_delay = 500; -module_param(repeat_delay, int, 0644); -static int repeat_period = 33; -module_param(repeat_period, int, 0644); static int ir_rc5_remote_gap = 885; module_param(ir_rc5_remote_gap, int, 0644); -static int ir_rc5_key_timeout = 200; -module_param(ir_rc5_key_timeout, int, 0644); #undef dprintk #define dprintk(arg...) do { \ @@ -55,7 +49,7 @@ module_param(ir_rc5_key_timeout, int, 0644); static void ir_handle_key(struct bttv *btv) { - struct card_ir *ir = btv->remote; + struct bttv_ir *ir = btv->remote; u32 gpio,data; /* read gpio value */ @@ -74,23 +68,22 @@ static void ir_handle_key(struct bttv *btv) (gpio & ir->mask_keydown) ? " down" : "", (gpio & ir->mask_keyup) ? " up" : ""); - if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || - (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { - ir_input_keydown(ir->dev, &ir->ir, data); + if ((ir->mask_keydown && (gpio & ir->mask_keydown)) || + (ir->mask_keyup && !(gpio & ir->mask_keyup))) { + rc_keydown_notimeout(ir->dev, data, 0); } else { /* HACK: Probably, ir->mask_keydown is missing for this board */ if (btv->c.type == BTTV_BOARD_WINFAST2000) - ir_input_keydown(ir->dev, &ir->ir, data); + rc_keydown_notimeout(ir->dev, data, 0); - ir_input_nokey(ir->dev,&ir->ir); + rc_keyup(ir->dev); } - } static void ir_enltv_handle_key(struct bttv *btv) { - struct card_ir *ir = btv->remote; + struct bttv_ir *ir = btv->remote; u32 gpio, data, keyup; /* read gpio value */ @@ -107,9 +100,9 @@ static void ir_enltv_handle_key(struct bttv *btv) gpio, data, (gpio & ir->mask_keyup) ? " up" : "up/down"); - ir_input_keydown(ir->dev, &ir->ir, data); + rc_keydown_notimeout(ir->dev, data, 0); if (keyup) - ir_input_nokey(ir->dev, &ir->ir); + rc_keyup(ir->dev); } else { if ((ir->last_gpio & 1 << 31) == keyup) return; @@ -119,26 +112,30 @@ static void ir_enltv_handle_key(struct bttv *btv) (gpio & ir->mask_keyup) ? " up" : "down"); if (keyup) - ir_input_nokey(ir->dev, &ir->ir); + rc_keyup(ir->dev); else - ir_input_keydown(ir->dev, &ir->ir, data); + rc_keydown_notimeout(ir->dev, data, 0); } ir->last_gpio = data | keyup; } +static int bttv_rc5_irq(struct bttv *btv); + void bttv_input_irq(struct bttv *btv) { - struct card_ir *ir = btv->remote; + struct bttv_ir *ir = btv->remote; - if (!ir->polling) + if (ir->rc5_gpio) + bttv_rc5_irq(btv); + else if (!ir->polling) ir_handle_key(btv); } static void bttv_input_timer(unsigned long data) { struct bttv *btv = (struct bttv*)data; - struct card_ir *ir = btv->remote; + struct bttv_ir *ir = btv->remote; if (btv->c.type == BTTV_BOARD_ENLTV_FM_2) ir_enltv_handle_key(btv); @@ -147,11 +144,109 @@ static void bttv_input_timer(unsigned long data) mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); } -/* ---------------------------------------------------------------*/ +/* + * FIXME: Nebula digi uses the legacy way to decode RC5, instead of relying + * on the rc-core way. As we need to be sure that both IRQ transitions are + * properly triggered, Better to touch it only with this hardware for + * testing. + */ + +#define RC5_START(x) (((x) >> 12) & 3) +#define RC5_TOGGLE(x) (((x) >> 11) & 1) +#define RC5_ADDR(x) (((x) >> 6) & 31) +#define RC5_INSTR(x) ((x) & 63) + +/* decode raw bit pattern to RC5 code */ +static u32 bttv_rc5_decode(unsigned int code) +{ + unsigned int org_code = code; + unsigned int pair; + unsigned int rc5 = 0; + int i; + + for (i = 0; i < 14; ++i) { + pair = code & 0x3; + code >>= 2; + + rc5 <<= 1; + switch (pair) { + case 0: + case 2: + break; + case 1: + rc5 |= 1; + break; + case 3: + dprintk(KERN_INFO DEVNAME ":rc5_decode(%x) bad code\n", + org_code); + return 0; + } + } + dprintk(KERN_INFO DEVNAME ":" + "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, " + "instr=%x\n", rc5, org_code, RC5_START(rc5), + RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5)); + return rc5; +} + +static void bttv_rc5_timer_end(unsigned long data) +{ + struct bttv_ir *ir = (struct bttv_ir *)data; + struct timeval tv; + unsigned long current_jiffies; + u32 gap; + u32 rc5 = 0; + + /* get time */ + current_jiffies = jiffies; + do_gettimeofday(&tv); + + /* avoid overflow with gap >1s */ + if (tv.tv_sec - ir->base_time.tv_sec > 1) { + gap = 200000; + } else { + gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + + tv.tv_usec - ir->base_time.tv_usec; + } + + /* signal we're ready to start a new code */ + ir->active = false; + + /* Allow some timer jitter (RC5 is ~24ms anyway so this is ok) */ + if (gap < 28000) { + dprintk(KERN_INFO DEVNAME ": spurious timer_end\n"); + return; + } + + if (ir->last_bit < 20) { + /* ignore spurious codes (caused by light/other remotes) */ + dprintk(KERN_INFO DEVNAME ": short code: %x\n", ir->code); + } else { + ir->code = (ir->code << ir->shift_by) | 1; + rc5 = bttv_rc5_decode(ir->code); + + /* two start bits? */ + if (RC5_START(rc5) != ir->start) { + printk(KERN_INFO DEVNAME ":" + " rc5 start bits invalid: %u\n", RC5_START(rc5)); + + /* right address? */ + } else if (RC5_ADDR(rc5) == ir->addr) { + u32 toggle = RC5_TOGGLE(rc5); + u32 instr = RC5_INSTR(rc5); + + /* Good code */ + rc_keydown(ir->dev, instr, toggle); + dprintk(KERN_INFO DEVNAME ":" + " instruction %x, toggle %x\n", + instr, toggle); + } + } +} static int bttv_rc5_irq(struct bttv *btv) { - struct card_ir *ir = btv->remote; + struct bttv_ir *ir = btv->remote; struct timeval tv; u32 gpio; u32 gap; @@ -160,10 +255,6 @@ static int bttv_rc5_irq(struct bttv *btv) /* read gpio port */ gpio = bttv_gpio_read(&btv->c); - /* remote IRQ? */ - if (!(gpio & 0x20)) - return 0; - /* get time of bit */ current_jiffies = jiffies; do_gettimeofday(&tv); @@ -176,6 +267,13 @@ static int bttv_rc5_irq(struct bttv *btv) tv.tv_usec - ir->base_time.tv_usec; } + dprintk(KERN_INFO DEVNAME ": RC5 IRQ: gap %d us for %s\n", + gap, (gpio & 0x20) ? "mark" : "space"); + + /* remote IRQ? */ + if (!(gpio & 0x20)) + return 0; + /* active code => add bit */ if (ir->active) { /* only if in the code (otherwise spurious IRQ or timer @@ -187,13 +285,12 @@ static int bttv_rc5_irq(struct bttv *btv) } /* starting new code */ } else { - ir->active = 1; + ir->active = true; ir->code = 0; ir->base_time = tv; ir->last_bit = 0; - mod_timer(&ir->timer_end, - current_jiffies + msecs_to_jiffies(30)); + mod_timer(&ir->timer, current_jiffies + msecs_to_jiffies(30)); } /* toggle GPIO pin 4 to reset the irq */ @@ -204,7 +301,7 @@ static int bttv_rc5_irq(struct bttv *btv) /* ---------------------------------------------------------------------- */ -static void bttv_ir_start(struct bttv *btv, struct card_ir *ir) +static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir) { if (ir->polling) { setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv); @@ -212,33 +309,23 @@ static void bttv_ir_start(struct bttv *btv, struct card_ir *ir) add_timer(&ir->timer); } else if (ir->rc5_gpio) { /* set timer_end for code completion */ - init_timer(&ir->timer_end); - ir->timer_end.function = ir_rc5_timer_end; - ir->timer_end.data = (unsigned long)ir; - - init_timer(&ir->timer_keyup); - ir->timer_keyup.function = ir_rc5_timer_keyup; - ir->timer_keyup.data = (unsigned long)ir; + setup_timer(&ir->timer, bttv_rc5_timer_end, (unsigned long)ir); ir->shift_by = 1; ir->start = 3; ir->addr = 0x0; - ir->rc5_key_timeout = ir_rc5_key_timeout; ir->rc5_remote_gap = ir_rc5_remote_gap; } } static void bttv_ir_stop(struct bttv *btv) { - if (btv->remote->polling) { + if (btv->remote->polling) del_timer_sync(&btv->remote->timer); - flush_scheduled_work(); - } if (btv->remote->rc5_gpio) { u32 gpio; - del_timer_sync(&btv->remote->timer_end); - flush_scheduled_work(); + del_timer_sync(&btv->remote->timer); gpio = bttv_gpio_read(&btv->c); bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); @@ -264,6 +351,18 @@ static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) return 0; dprintk(KERN_INFO DEVNAME ": key %02x\n", b); + /* + * NOTE: + * lirc_i2c maps the pv951 code as: + * addr = 0x61D6 + * cmd = bit_reverse (b) + * So, it seems that this device uses NEC extended + * I decided to not fix the table, due to two reasons: + * 1) Without the actual device, this is only a guess; + * 2) As the addr is not reported via I2C, nor can be changed, + * the device is bound to the vendor-provided RC. + */ + *ir_key = b; *ir_raw = b; return 1; @@ -290,16 +389,15 @@ void __devinit init_bttv_i2c_ir(struct bttv *btv) btv->init_data.name = "PV951"; btv->init_data.get_key = get_key_pv951; btv->init_data.ir_codes = RC_MAP_PV951; - btv->init_data.type = IR_TYPE_OTHER; info.addr = 0x4b; break; default: /* * The external IR receiver is at i2c address 0x34 (0x35 for - * reads). Future Hauppauge cards will have an internal - * receiver at 0x30 (0x31 for reads). In theory, both can be - * fitted, and Hauppauge suggest an external overrides an - * internal. + * reads). Future Hauppauge cards will have an internal + * receiver at 0x30 (0x31 for reads). In theory, both can be + * fitted, and Hauppauge suggest an external overrides an + * internal. * That's why we probe 0x1a (~0x34) first. CB */ @@ -324,18 +422,17 @@ int __devexit fini_bttv_i2c(struct bttv *btv) int bttv_input_init(struct bttv *btv) { - struct card_ir *ir; + struct bttv_ir *ir; char *ir_codes = NULL; - struct input_dev *input_dev; - u64 ir_type = IR_TYPE_OTHER; + struct rc_dev *rc; int err = -ENOMEM; if (!btv->has_remote) return -ENODEV; ir = kzalloc(sizeof(*ir),GFP_KERNEL); - input_dev = input_allocate_device(); - if (!ir || !input_dev) + rc = rc_allocate_device(); + if (!ir || !rc) goto err_out_free; /* detect & configure */ @@ -398,8 +495,7 @@ int bttv_input_init(struct bttv *btv) break; case BTTV_BOARD_NEBULA_DIGITV: ir_codes = RC_MAP_NEBULA; - btv->custom_irq = bttv_rc5_irq; - ir->rc5_gpio = 1; + ir->rc5_gpio = true; break; case BTTV_BOARD_MACHTV_MAGICTV: ir_codes = RC_MAP_APAC_VIEWCOMP; @@ -441,48 +537,43 @@ int bttv_input_init(struct bttv *btv) } /* init input device */ - ir->dev = input_dev; + ir->dev = rc; snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)", btv->c.type); snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(btv->c.pci)); - err = ir_input_init(input_dev, &ir->ir, ir_type); - if (err < 0) - goto err_out_free; - - input_dev->name = ir->name; - input_dev->phys = ir->phys; - input_dev->id.bustype = BUS_PCI; - input_dev->id.version = 1; + rc->input_name = ir->name; + rc->input_phys = ir->phys; + rc->input_id.bustype = BUS_PCI; + rc->input_id.version = 1; if (btv->c.pci->subsystem_vendor) { - input_dev->id.vendor = btv->c.pci->subsystem_vendor; - input_dev->id.product = btv->c.pci->subsystem_device; + rc->input_id.vendor = btv->c.pci->subsystem_vendor; + rc->input_id.product = btv->c.pci->subsystem_device; } else { - input_dev->id.vendor = btv->c.pci->vendor; - input_dev->id.product = btv->c.pci->device; + rc->input_id.vendor = btv->c.pci->vendor; + rc->input_id.product = btv->c.pci->device; } - input_dev->dev.parent = &btv->c.pci->dev; + rc->dev.parent = &btv->c.pci->dev; + rc->map_name = ir_codes; + rc->driver_name = MODULE_NAME; btv->remote = ir; bttv_ir_start(btv, ir); /* all done */ - err = ir_input_register(btv->remote->dev, ir_codes, NULL, MODULE_NAME); + err = rc_register_device(rc); if (err) goto err_out_stop; - /* the remote isn't as bouncy as a keyboard */ - ir->dev->rep[REP_DELAY] = repeat_delay; - ir->dev->rep[REP_PERIOD] = repeat_period; - return 0; err_out_stop: bttv_ir_stop(btv); btv->remote = NULL; err_out_free: + rc_free_device(rc); kfree(ir); return err; } @@ -493,7 +584,7 @@ void bttv_input_fini(struct bttv *btv) return; bttv_ir_stop(btv); - ir_input_unregister(btv->remote->dev); + rc_unregister_device(btv->remote->dev); kfree(btv->remote); btv->remote = NULL; } diff --git a/drivers/media/video/bt8xx/bttv.h b/drivers/media/video/bt8xx/bttv.h index 6fd2a8ebda1..fd62bf15d77 100644 --- a/drivers/media/video/bt8xx/bttv.h +++ b/drivers/media/video/bt8xx/bttv.h @@ -17,7 +17,6 @@ #include <linux/videodev2.h> #include <linux/i2c.h> #include <media/v4l2-device.h> -#include <media/ir-common.h> #include <media/i2c-addr.h> #include <media/tuner.h> diff --git a/drivers/media/video/bt8xx/bttvp.h b/drivers/media/video/bt8xx/bttvp.h index d1e26a448ed..9b776faf074 100644 --- a/drivers/media/video/bt8xx/bttvp.h +++ b/drivers/media/video/bt8xx/bttvp.h @@ -41,7 +41,7 @@ #include <linux/device.h> #include <media/videobuf-dma-sg.h> #include <media/tveeprom.h> -#include <media/ir-common.h> +#include <media/rc-core.h> #include <media/ir-kbd-i2c.h> #include "bt848.h" @@ -120,6 +120,33 @@ struct bttv_format { int hshift,vshift; /* for planar modes */ }; +struct bttv_ir { + struct rc_dev *dev; + struct timer_list timer; + + char name[32]; + char phys[32]; + + /* Usual gpio signalling */ + u32 mask_keycode; + u32 mask_keydown; + u32 mask_keyup; + u32 polling; + u32 last_gpio; + int shift_by; + int start; // What should RC5_START() be + int addr; // What RC5_ADDR() should be. + int rc5_remote_gap; + + /* RC5 gpio */ + bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */ + u32 last_bit; /* last raw bit seen */ + u32 code; /* raw code under construction */ + struct timeval base_time; /* time of last seen code */ + bool active; /* building raw code */ +}; + + /* ---------------------------------------------------------- */ struct bttv_geometry { @@ -305,7 +332,6 @@ struct bttv_pll_info { /* for gpio-connected remote control */ struct bttv_input { struct input_dev *dev; - struct ir_input_state ir; char name[32]; char phys[32]; u32 mask_keycode; @@ -338,12 +364,10 @@ struct bttv { struct bttv_pll_info pll; int triton1; int gpioirq; - int (*custom_irq)(struct bttv *btv); int use_i2c_hw; /* old gpio interface */ - wait_queue_head_t gpioq; int shutdown; void (*volume_gpio)(struct bttv *btv, __u16 volume); @@ -368,7 +392,7 @@ struct bttv { /* infrared remote */ int has_remote; - struct card_ir *remote; + struct bttv_ir *remote; /* I2C remote data */ struct IR_i2c_init_data init_data; |