From 95c0daf114659d2869c4fd90c735d5393e276f7d Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 14 Oct 2008 23:34:07 +0400 Subject: DVB-Core update From: Manu Abraham Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 66 ++++++++++-- linux/drivers/media/dvb/dvb-core/dvb_frontend.h | 134 +++++++++++++++++++++++- 2 files changed, 192 insertions(+), 8 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index ec1b0901d..ed28a061e 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -133,6 +133,7 @@ struct dvb_frontend_private { unsigned int step_size; int quality; unsigned int check_wrapped; + enum dvbfe_search algo_status; }; static void dvb_frontend_wakeup(struct dvb_frontend *fe); @@ -519,6 +520,8 @@ static int dvb_frontend_thread(void *data) struct dvb_frontend_private *fepriv = fe->frontend_priv; unsigned long timeout; fe_status_t s; + enum dvbfe_algo algo; + struct dvb_frontend_parameters *params; dprintk("%s\n", __func__); @@ -571,23 +574,72 @@ restart: /* do an iteration of the tuning loop */ if (fe->ops.get_frontend_algo) { - if (fe->ops.get_frontend_algo(fe) == FE_ALGO_HW) { - /* have we been asked to retune? */ - params = NULL; + algo = fe->ops.get_frontend_algo(fe); + switch (algo) { + case DVBFE_ALGO_HW: + dprintk("%s: Frontend ALGO = DVBFE_ALGO_HW\n", __func__); + params = NULL; /* have we been asked to RETUNE ? */ + if (fepriv->state & FESTATE_RETUNE) { - params = &fepriv->parameters; + dprintk("%s: Retune requested, FESTATE_RETUNE\n", __func__); fepriv->state = FESTATE_TUNED; } - fe->ops.tune(fe, params, fepriv->tune_mode_flags, &fepriv->delay, &s); + if (fe->ops.tune) + fe->ops.tune(fe, params, fepriv->tune_mode_flags, &fepriv->delay, &s); + if (s != fepriv->status) { + dprintk("%s: state changed, adding current state\n", __func__); dvb_frontend_add_event(fe, s); fepriv->status = s; } - } else + break; + case DVBFE_ALGO_SW: + dprintk("%s: Frontend ALGO = DVBFE_ALGO_SW\n", __func__); dvb_frontend_swzigzag(fe); - } else + break; + case DVBFE_ALGO_CUSTOM: + params = NULL; /* have we been asked to RETUNE ? */ + dprintk("%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->state); + if (fepriv->state & FESTATE_RETUNE) { + dprintk("%s: Retune requested, FESTAT_RETUNE\n", __func__); + fepriv->state = FESTATE_TUNED; + } + /* Case where we are going to search for a carrier + * User asked us to retune again for some reason, possibly + * requesting a search with a new set of parameters + */ + if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) { + if (fe->ops.search) + fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters); + /* We did do a search as was requested, the flags are + * now unset as well and has the flags wrt to search. + */ + + fepriv->algo_status &= ~DVBFE_ALGO_SEARCH_AGAIN; + } + /* Track the carrier if the search was successful */ + if (fepriv->algo_status == DVBFE_ALGO_SEARCH_SUCCESS) { + if (fepriv->algo_status & DVBFE_ALGO_SEARCH_SUCCESS) + dprintk("%s: status = DVBFE_ALGO_SEARCH_SUCCESS\n", __func__); + if (fepriv->algo_status & DVBFE_ALGO_SEARCH_FAILED) + fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; + + fe->ops.read_status(fe, &s); + dvb_frontend_add_event(fe, s); /* update event list */ + fepriv->status = s; + if (fe->ops.track) + fe->ops.track(fe, &fepriv->parameters); + + } + break; + default: + dprintk("%s: UNDEFINED ALGO !\n", __func__); + break; + } + } else { dvb_frontend_swzigzag(fe); + } } if (dvb_powerdown_on_sleep) { diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h index 569b72a96..cff26dd66 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -69,6 +69,125 @@ struct analog_parameters { u64 std; }; +enum dvbfe_modcod { + DVBFE_MODCOD_DUMMY_PLFRAME = 0, + DVBFE_MODCOD_QPSK_1_4, + DVBFE_MODCOD_QPSK_1_3, + DVBFE_MODCOD_QPSK_2_5, + DVBFE_MODCOD_QPSK_1_2, + DVBFE_MODCOD_QPSK_3_5, + DVBFE_MODCOD_QPSK_2_3, + DVBFE_MODCOD_QPSK_3_4, + DVBFE_MODCOD_QPSK_4_5, + DVBFE_MODCOD_QPSK_5_6, + DVBFE_MODCOD_QPSK_8_9, + DVBFE_MODCOD_QPSK_9_10, + DVBFE_MODCOD_8PSK_3_5, + DVBFE_MODCOD_8PSK_2_3, + DVBFE_MODCOD_8PSK_3_4, + DVBFE_MODCOD_8PSK_5_6, + DVBFE_MODCOD_8PSK_8_9, + DVBFE_MODCOD_8PSK_9_10, + DVBFE_MODCOD_16APSK_2_3, + DVBFE_MODCOD_16APSK_3_4, + DVBFE_MODCOD_16APSK_4_5, + DVBFE_MODCOD_16APSK_5_6, + DVBFE_MODCOD_16APSK_8_9, + DVBFE_MODCOD_16APSK_9_10, + DVBFE_MODCOD_32APSK_3_4, + DVBFE_MODCOD_32APSK_4_5, + DVBFE_MODCOD_32APSK_5_6, + DVBFE_MODCOD_32APSK_8_9, + DVBFE_MODCOD_32APSK_9_10, + DVBFE_MODCOD_RESERVED_1, + DVBFE_MODCOD_BPSK_1_3, + DVBFE_MODCOD_BPSK_1_4, + DVBFE_MODCOD_RESERVED_2 +}; + +enum tuner_param { + DVBFE_TUNER_FREQUENCY = (1 << 0), + DVBFE_TUNER_TUNERSTEP = (1 << 1), + DVBFE_TUNER_IFFREQ = (1 << 2), + DVBFE_TUNER_BANDWIDTH = (1 << 3), + DVBFE_TUNER_REFCLOCK = (1 << 4), + DVBFE_TUNER_IQSENSE = (1 << 5), + DVBFE_TUNER_DUMMY = (1 << 31) +}; + +/* + * ALGO_HW: (Hardware Algorithm) + * ---------------------------------------------------------------- + * Devices that support this algorithm do everything in hardware + * and no software support is needed to handle them. + * Requesting these devices to LOCK is the only thing required, + * device is supposed to do everything in the hardware. + * + * ALGO_SW: (Software Algorithm) + * ---------------------------------------------------------------- + * These are dumb devices, that require software to do everything + * + * ALGO_CUSTOM: (Customizable Agorithm) + * ---------------------------------------------------------------- + * Devices having this algorithm can be customized to have specific + * algorithms in the frontend driver, rather than simply doing a + * software zig-zag. In this case the zigzag maybe hardware assisted + * or it maybe completely done in hardware. In all cases, usage of + * this algorithm, in conjunction with the search and track + * callbacks, utilizes the driver specific algorithm. + * + * ALGO_RECOVERY: (Recovery Algorithm) + * ---------------------------------------------------------------- + * These devices have AUTO recovery capabilities from LOCK failure + */ +enum dvbfe_algo { + DVBFE_ALGO_HW = (1 << 0), + DVBFE_ALGO_SW = (1 << 1), + DVBFE_ALGO_CUSTOM = (1 << 2), + DVBFE_ALGO_RECOVERY = (1 << 31) +}; + +struct tuner_state { + u32 frequency; + u32 tunerstep; + u32 ifreq; + u32 bandwidth; + u32 iqsense; + u32 refclock; +}; + +/* + * search callback possible return status + * + * DVBFE_ALGO_SEARCH_SUCCESS + * The frontend search algorithm completed and returned succesfully + * + * DVBFE_ALGO_SEARCH_ASLEEP + * The frontend search algorithm is sleeping + * + * DVBFE_ALGO_SEARCH_FAILED + * The frontend search for a signal failed + * + * DVBFE_ALGO_SEARCH_INVALID + * The frontend search algorith was probably supplied with invalid + * parameters and the search is an invalid one + * + * DVBFE_ALGO_SEARCH_ERROR + * The frontend search algorithm failed due to some error + * + * DVBFE_ALGO_SEARCH_AGAIN + * The frontend search algorithm was requested to search again + */ +enum dvbfe_search { + DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0), + DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1), + DVBFE_ALGO_SEARCH_FAILED = (1 << 2), + DVBFE_ALGO_SEARCH_INVALID = (1 << 3), + DVBFE_ALGO_SEARCH_AGAIN = (1 << 4), + DVBFE_ALGO_SEARCH_ERROR = (1 << 31), +}; + + struct dvb_tuner_ops { struct dvb_tuner_info info; @@ -99,6 +218,13 @@ struct dvb_tuner_ops { * tuners which require sophisticated tuning loops, controlling each parameter seperately. */ int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); + + /* + * These are provided seperately from set_params in order to facilitate silicon + * tuners which require sophisticated tuning loops, controlling each parameter seperately. + */ + int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); + int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); }; struct analog_demod_info { @@ -142,7 +268,7 @@ struct dvb_frontend_ops { unsigned int *delay, fe_status_t *status); /* get frontend tuning algorithm from the module */ - int (*get_frontend_algo)(struct dvb_frontend *fe); + enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe); /* these two are only used for the swzigzag code */ int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); @@ -167,6 +293,12 @@ struct dvb_frontend_ops { int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable); int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire); + /* These callbacks are for devices that implement their own + * tuning algorithms, rather than a simple swzigzag + */ + enum dvbfe_search (*search)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p); + int (*track)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p); + struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; -- cgit v1.2.3 From 5af7b1c77d823a240dc19f0d61549a5ab9e244e5 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Mon, 20 Oct 2008 13:05:21 +0400 Subject: Add event with changed status only From: Arvo Jarve Signed-off-by: Arvo Jarve Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 30 +++++++++++++++---------- 1 file changed, 18 insertions(+), 12 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index ed28a061e..17097cdcb 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -610,27 +610,33 @@ restart: * requesting a search with a new set of parameters */ if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) { - if (fe->ops.search) + if (fe->ops.search) { fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters); /* We did do a search as was requested, the flags are * now unset as well and has the flags wrt to search. */ - - fepriv->algo_status &= ~DVBFE_ALGO_SEARCH_AGAIN; + } else { + fepriv->algo_status &= ~DVBFE_ALGO_SEARCH_AGAIN; + } } /* Track the carrier if the search was successful */ if (fepriv->algo_status == DVBFE_ALGO_SEARCH_SUCCESS) { - if (fepriv->algo_status & DVBFE_ALGO_SEARCH_SUCCESS) - dprintk("%s: status = DVBFE_ALGO_SEARCH_SUCCESS\n", __func__); - if (fepriv->algo_status & DVBFE_ALGO_SEARCH_FAILED) - fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; - - fe->ops.read_status(fe, &s); - dvb_frontend_add_event(fe, s); /* update event list */ - fepriv->status = s; if (fe->ops.track) fe->ops.track(fe, &fepriv->parameters); - + } else { + fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; + fepriv->delay = HZ / 2; + } + fe->ops.read_status(fe, &s); + if (s != fepriv->status) { + dvb_frontend_add_event(fe, s); /* update event list */ + fepriv->status = s; + if (!(s & FE_HAS_LOCK)) { + fepriv->delay = HZ / 10; + fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; + } else { + fepriv->delay = 60 * HZ; + } } break; default: -- cgit v1.2.3 From 723dbc0b30db9de883635895dd341fbeb6f388fe Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 21 Oct 2008 01:14:14 +0400 Subject: Optimization: Enable gate in a symmetric/disciplined way, rather than implementing different ways leading to confusion. This allows multiple gate_enable/disable's in the tuner_read/write functions, thereby lesser number of I/O operations throughout, eventually leading to better results. As a side effect demods that detect the STOP bit for auto closing of the gate can be avoided, thereby a very minimal gain in disabling the auto detect feature as well. Improves readability on the device control. From: Manu Abraham Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index 17097cdcb..56f99bb63 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -229,6 +229,8 @@ static void dvb_frontend_init(struct dvb_frontend *fe) if (fe->ops.init) fe->ops.init(fe); if (fe->ops.tuner_ops.init) { + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); fe->ops.tuner_ops.init(fe); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); -- cgit v1.2.3 From 6b5f5ff6db5bdccf525c24c356d71bedfba91417 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 23 Oct 2008 17:11:19 +0200 Subject: Dynamic DVB minor allocation From: Andreas Oberritter This is a multi-part message in MIME format. Implement dynamic minor allocation for DVB, to allow more than four devices of the same type per adapter, based on drivers/usb/core/file.c. Add a new config option, DVB_DYNAMIC_MINORS, to make use of this feature, which defaults to no for backwards compatibility. Signed-off-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dvbdev.c | 61 ++++++++++++++++++++----------- linux/drivers/media/dvb/dvb-core/dvbdev.h | 1 + 2 files changed, 41 insertions(+), 21 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvbdev.c b/linux/drivers/media/dvb/dvb-core/dvbdev.c index c2e824710..a35286f1a 100644 --- a/linux/drivers/media/dvb/dvb-core/dvbdev.c +++ b/linux/drivers/media/dvb/dvb-core/dvbdev.c @@ -51,33 +51,27 @@ static const char * const dnames[] = { "net", "osd" }; +#ifdef CONFIG_DVB_DYNAMIC_MINORS +#define MAX_DVB_MINORS 256 +#define DVB_MAX_IDS MAX_DVB_MINORS +#else #define DVB_MAX_IDS 4 #define nums2minor(num,type,id) ((num << 6) | (id << 4) | type) #define MAX_DVB_MINORS (DVB_MAX_ADAPTERS*64) +#endif static struct class *dvb_class; -static struct dvb_device* dvbdev_find_device (int minor) -{ - struct dvb_adapter *adap; - - list_for_each_entry(adap, &dvb_adapter_list, list_head) { - struct dvb_device *dev; - list_for_each_entry(dev, &adap->device_list, list_head) - if (nums2minor(adap->num, dev->type, dev->id) == minor) - return dev; - } - - return NULL; -} - +static struct dvb_device *dvb_minors[MAX_DVB_MINORS]; +static DECLARE_RWSEM(minor_rwsem); static int dvb_device_open(struct inode *inode, struct file *file) { struct dvb_device *dvbdev; lock_kernel(); - dvbdev = dvbdev_find_device (iminor(inode)); + down_read(&minor_rwsem); + dvbdev = dvb_minors[iminor(inode)]; if (dvbdev && dvbdev->fops) { int err = 0; @@ -97,9 +91,11 @@ static int dvb_device_open(struct inode *inode, struct file *file) file->f_op = fops_get(old_fops); } fops_put(old_fops); + up_read(&minor_rwsem); unlock_kernel(); return err; } + up_read(&minor_rwsem); unlock_kernel(); return -ENODEV; } @@ -201,6 +197,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, #else struct class_device *clsdev; #endif + int minor; int id; mutex_lock(&dvbdev_register_lock); @@ -240,6 +237,26 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, list_add_tail (&dvbdev->list_head, &adap->device_list); + down_write(&minor_rwsem); +#ifdef CONFIG_DVB_DYNAMIC_MINORS + for (minor = 0; minor < MAX_DVB_MINORS; minor++) + if (dvb_minors[minor] == NULL) + break; + + if (minor == MAX_DVB_MINORS) { + kfree(dvbdevfops); + kfree(dvbdev); + mutex_unlock(&dvbdev_register_lock); + return -EINVAL; + } +#else + minor = nums2minor(adap->num, type, id); +#endif + + dvbdev->minor = minor; + dvb_minors[minor] = dvbdev; + up_write(&minor_rwsem); + mutex_unlock(&dvbdev_register_lock); #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27) @@ -248,11 +265,11 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, NULL, "dvb%d.%s%d", adap->num, dnames[type], id); #elif LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 27) clsdev = device_create_drvdata(dvb_class, adap->device, - MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), + MKDEV(DVB_MAJOR, minor), NULL, "dvb%d.%s%d", adap->num, dnames[type], id); #else clsdev = device_create(dvb_class, adap->device, - MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), + MKDEV(DVB_MAJOR, minor), "dvb%d.%s%d", adap->num, dnames[type], id); #endif if (IS_ERR(clsdev)) { @@ -262,8 +279,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, } dprintk(KERN_DEBUG "DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", - adap->num, dnames[type], id, nums2minor(adap->num, type, id), - nums2minor(adap->num, type, id)); + adap->num, dnames[type], id, minor, minor); return 0; } @@ -275,8 +291,11 @@ void dvb_unregister_device(struct dvb_device *dvbdev) if (!dvbdev) return; - device_destroy(dvb_class, MKDEV(DVB_MAJOR, nums2minor(dvbdev->adapter->num, - dvbdev->type, dvbdev->id))); + down_write(&minor_rwsem); + dvb_minors[dvbdev->minor] = NULL; + up_write(&minor_rwsem); + + device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor)); list_del (&dvbdev->list_head); kfree (dvbdev->fops); diff --git a/linux/drivers/media/dvb/dvb-core/dvbdev.h b/linux/drivers/media/dvb/dvb-core/dvbdev.h index 574e336ba..dca49cf96 100644 --- a/linux/drivers/media/dvb/dvb-core/dvbdev.h +++ b/linux/drivers/media/dvb/dvb-core/dvbdev.h @@ -74,6 +74,7 @@ struct dvb_device { struct file_operations *fops; struct dvb_adapter *adapter; int type; + int minor; u32 id; /* in theory, 'users' can vanish now, -- cgit v1.2.3 From 3406a0aa7630cd74e82a090e2c2c9b2f00152481 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 28 Oct 2008 01:27:37 +0000 Subject: add DVB_DEVICE_NUM and DVB_ADAPTER_NUM to uevent From: Kay Sievers This allows udev to create proper device nodes without any hacky shell scripts/programs to call, which guess these numbers from the kernel device names. Signed-off-by: Kay Sievers Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/dvb/dvb-core/dvbdev.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvbdev.c b/linux/drivers/media/dvb/dvb-core/dvbdev.c index a35286f1a..59a65a8c3 100644 --- a/linux/drivers/media/dvb/dvb-core/dvbdev.c +++ b/linux/drivers/media/dvb/dvb-core/dvbdev.c @@ -262,11 +262,11 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27) clsdev = device_create(dvb_class, adap->device, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), - NULL, "dvb%d.%s%d", adap->num, dnames[type], id); + dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id); #elif LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 27) clsdev = device_create_drvdata(dvb_class, adap->device, MKDEV(DVB_MAJOR, minor), - NULL, "dvb%d.%s%d", adap->num, dnames[type], id); + dvbdev, "dvb%d.%s%d", adap->num, dnames[type], id); #else clsdev = device_create(dvb_class, adap->device, MKDEV(DVB_MAJOR, minor), @@ -451,6 +451,17 @@ out: return err; } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) +static int dvb_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct dvb_device *dvbdev = dev_get_drvdata(dev); + + add_uevent_var(env, "DVB_DEVICE_NUM=%d", dvbdev->id); + add_uevent_var(env, "DVB_ADAPTER_NUM=%d", dvbdev->adapter->num); + return 0; +} +#endif + static int __init init_dvbdev(void) { int retval; @@ -477,6 +488,9 @@ static int __init init_dvbdev(void) retval = PTR_ERR(dvb_class); goto error; } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + dvb_class->dev_uevent = dvb_uevent; +#endif return 0; error: -- cgit v1.2.3 From 6488005057c88e93e54414d4660efc871acb3e54 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 28 Oct 2008 12:58:04 +0400 Subject: Fix: Commit 9344 breaks tning of cx24123 From: Matthias Schwarzott Signed-off-by: Matthias Schwarzott Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 1 + 1 file changed, 1 insertion(+) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index 56f99bb63..f5d8d5274 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -584,6 +584,7 @@ restart: if (fepriv->state & FESTATE_RETUNE) { dprintk("%s: Retune requested, FESTATE_RETUNE\n", __func__); + params = &fepriv->parameters; fepriv->state = FESTATE_TUNED; } -- cgit v1.2.3 From fe4b378af5d94e1e72541ea0924605fc54489829 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Tue, 28 Oct 2008 13:11:24 +0400 Subject: Fix: parameters not supplied in the search process From: Manu Abraham Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 1 + 1 file changed, 1 insertion(+) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index f5d8d5274..f6bab07a5 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -606,6 +606,7 @@ restart: dprintk("%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->state); if (fepriv->state & FESTATE_RETUNE) { dprintk("%s: Retune requested, FESTAT_RETUNE\n", __func__); + params = &fepriv->parameters; fepriv->state = FESTATE_TUNED; } /* Case where we are going to search for a carrier -- cgit v1.2.3 From ed724f377e9b06f98df43e7f32709b9804da711e Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Thu, 30 Oct 2008 09:38:59 +0400 Subject: Fix frontend DVBFE_ALGO_CUSTOM Search Issue: Currently, the DVBFE_ALGO_CUSTOM is called only at the first tuning. After the first call, the status is never set to force a new tuning. From: Marco Schluessler Signed-off-by: Marco Schluessler Signed-off-by: Manu Abraham --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'linux/drivers/media/dvb/dvb-core') diff --git a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c index f6bab07a5..4d668e16d 100644 --- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1389,6 +1389,9 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, dprintk("%s() Finalised property cache\n", __func__); dtv_property_cache_submit(fe); + /* Request the search algorithm to search */ + fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; + r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, &fepriv->parameters); break; -- cgit v1.2.3