From 9133aee09e3689c116c526fa9011c33b872e65c1 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 23 May 2009 18:00:59 -0300 Subject: V4L/DVB (13103): create a standard method for dvb adapter drivers to override frontend ioctls Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 20 +++++++++++++++++++- drivers/media/dvb/dvb-core/dvbdev.h | 28 ++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+), 1 deletion(-) (limited to 'drivers/media/dvb/dvb-core') diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 98082416aa5..e9ec8e91105 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1712,7 +1712,18 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; - int err = -EOPNOTSUPP; + int cb_err, err = -EOPNOTSUPP; + + if (fe->dvb->fe_ioctl_override) { + cb_err = fe->dvb->fe_ioctl_override(fe, cmd, parg, + DVB_FE_IOCTL_PRE); + if (cb_err < 0) + return cb_err; + if (cb_err > 0) + return 0; + /* fe_ioctl_override returning 0 allows + * dvb-core to continue handling the ioctl */ + } switch (cmd) { case FE_GET_INFO: { @@ -1978,6 +1989,13 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, break; }; + if (fe->dvb->fe_ioctl_override) { + cb_err = fe->dvb->fe_ioctl_override(fe, cmd, parg, + DVB_FE_IOCTL_POST); + if (cb_err < 0) + return cb_err; + } + return err; } diff --git a/drivers/media/dvb/dvb-core/dvbdev.h b/drivers/media/dvb/dvb-core/dvbdev.h index 01fc7048474..f7b499d4a3c 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.h +++ b/drivers/media/dvb/dvb-core/dvbdev.h @@ -54,6 +54,8 @@ module_param_array(adapter_nr, short, NULL, 0444); \ MODULE_PARM_DESC(adapter_nr, "DVB adapter numbers") +struct dvb_frontend; + struct dvb_adapter { int num; struct list_head list_head; @@ -69,6 +71,32 @@ struct dvb_adapter { int mfe_shared; /* indicates mutually exclusive frontends */ struct dvb_device *mfe_dvbdev; /* frontend device in use */ struct mutex mfe_lock; /* access lock for thread creation */ + + /* Allow the adapter/bridge driver to perform an action before and/or + * after the core handles an ioctl: + * + * DVB_FE_IOCTL_PRE indicates that the ioctl has not yet been handled. + * DVB_FE_IOCTL_POST indicates that the ioctl has been handled. + * + * When DVB_FE_IOCTL_PRE is passed to the callback as the stage arg: + * + * return 0 to allow dvb-core to handle the ioctl. + * return a positive int to prevent dvb-core from handling the ioctl, + * and exit without error. + * return a negative int to prevent dvb-core from handling the ioctl, + * and return that value as an error. + * + * When DVB_FE_IOCTL_POST is passed to the callback as the stage arg: + * + * return 0 to allow the dvb_frontend ioctl handler to exit normally. + * return a negative int to cause the dvb_frontend ioctl handler to + * return that value as an error. + */ +#define DVB_FE_IOCTL_PRE 0 +#define DVB_FE_IOCTL_POST 1 + int (*fe_ioctl_override)(struct dvb_frontend *fe, + unsigned int cmd, void *parg, + unsigned int stage); }; -- cgit v1.2.3 From 06d3a396b26e48012ce0f2ee21b1fdff092d8d4a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 23 Oct 2009 20:09:42 -0300 Subject: V4L/DVB (13157): dvb_frontend: represent all DVBS2API commands via macro Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 159 +++++------------------------- 1 file changed, 26 insertions(+), 133 deletions(-) (limited to 'drivers/media/dvb/dvb-core') diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index e9ec8e91105..07461222a7f 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -895,104 +895,27 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe) } static struct dtv_cmds_h dtv_cmds[] = { - [DTV_TUNE] = { - .name = "DTV_TUNE", - .cmd = DTV_TUNE, - .set = 1, - }, - [DTV_CLEAR] = { - .name = "DTV_CLEAR", - .cmd = DTV_CLEAR, - .set = 1, - }, + _DTV_CMD(DTV_TUNE, 1, 0), + _DTV_CMD(DTV_CLEAR, 1, 0), /* Set */ - [DTV_FREQUENCY] = { - .name = "DTV_FREQUENCY", - .cmd = DTV_FREQUENCY, - .set = 1, - }, - [DTV_BANDWIDTH_HZ] = { - .name = "DTV_BANDWIDTH_HZ", - .cmd = DTV_BANDWIDTH_HZ, - .set = 1, - }, - [DTV_MODULATION] = { - .name = "DTV_MODULATION", - .cmd = DTV_MODULATION, - .set = 1, - }, - [DTV_INVERSION] = { - .name = "DTV_INVERSION", - .cmd = DTV_INVERSION, - .set = 1, - }, - [DTV_DISEQC_MASTER] = { - .name = "DTV_DISEQC_MASTER", - .cmd = DTV_DISEQC_MASTER, - .set = 1, - .buffer = 1, - }, - [DTV_SYMBOL_RATE] = { - .name = "DTV_SYMBOL_RATE", - .cmd = DTV_SYMBOL_RATE, - .set = 1, - }, - [DTV_INNER_FEC] = { - .name = "DTV_INNER_FEC", - .cmd = DTV_INNER_FEC, - .set = 1, - }, - [DTV_VOLTAGE] = { - .name = "DTV_VOLTAGE", - .cmd = DTV_VOLTAGE, - .set = 1, - }, - [DTV_TONE] = { - .name = "DTV_TONE", - .cmd = DTV_TONE, - .set = 1, - }, - [DTV_PILOT] = { - .name = "DTV_PILOT", - .cmd = DTV_PILOT, - .set = 1, - }, - [DTV_ROLLOFF] = { - .name = "DTV_ROLLOFF", - .cmd = DTV_ROLLOFF, - .set = 1, - }, - [DTV_DELIVERY_SYSTEM] = { - .name = "DTV_DELIVERY_SYSTEM", - .cmd = DTV_DELIVERY_SYSTEM, - .set = 1, - }, - [DTV_HIERARCHY] = { - .name = "DTV_HIERARCHY", - .cmd = DTV_HIERARCHY, - .set = 1, - }, - [DTV_CODE_RATE_HP] = { - .name = "DTV_CODE_RATE_HP", - .cmd = DTV_CODE_RATE_HP, - .set = 1, - }, - [DTV_CODE_RATE_LP] = { - .name = "DTV_CODE_RATE_LP", - .cmd = DTV_CODE_RATE_LP, - .set = 1, - }, - [DTV_GUARD_INTERVAL] = { - .name = "DTV_GUARD_INTERVAL", - .cmd = DTV_GUARD_INTERVAL, - .set = 1, - }, - [DTV_TRANSMISSION_MODE] = { - .name = "DTV_TRANSMISSION_MODE", - .cmd = DTV_TRANSMISSION_MODE, - .set = 1, - }, + _DTV_CMD(DTV_FREQUENCY, 1, 0), + _DTV_CMD(DTV_BANDWIDTH_HZ, 1, 0), + _DTV_CMD(DTV_MODULATION, 1, 0), + _DTV_CMD(DTV_INVERSION, 1, 0), + _DTV_CMD(DTV_DISEQC_MASTER, 1, 1), + _DTV_CMD(DTV_SYMBOL_RATE, 1, 0), + _DTV_CMD(DTV_INNER_FEC, 1, 0), + _DTV_CMD(DTV_VOLTAGE, 1, 0), + _DTV_CMD(DTV_TONE, 1, 0), + _DTV_CMD(DTV_PILOT, 1, 0), + _DTV_CMD(DTV_ROLLOFF, 1, 0), + _DTV_CMD(DTV_DELIVERY_SYSTEM, 1, 0), + _DTV_CMD(DTV_HIERARCHY, 1, 0), + _DTV_CMD(DTV_CODE_RATE_HP, 1, 0), + _DTV_CMD(DTV_CODE_RATE_LP, 1, 0), + _DTV_CMD(DTV_GUARD_INTERVAL, 1, 0), + _DTV_CMD(DTV_TRANSMISSION_MODE, 1, 0), _DTV_CMD(DTV_ISDBT_PARTIAL_RECEPTION, 1, 0), _DTV_CMD(DTV_ISDBT_SOUND_BROADCASTING, 1, 0), @@ -1035,43 +958,13 @@ static struct dtv_cmds_h dtv_cmds[] = { _DTV_CMD(DTV_ISDBS_TS_ID, 1, 0), /* Get */ - [DTV_DISEQC_SLAVE_REPLY] = { - .name = "DTV_DISEQC_SLAVE_REPLY", - .cmd = DTV_DISEQC_SLAVE_REPLY, - .set = 0, - .buffer = 1, - }, - - [DTV_API_VERSION] = { - .name = "DTV_API_VERSION", - .cmd = DTV_API_VERSION, - .set = 0, - }, - [DTV_CODE_RATE_HP] = { - .name = "DTV_CODE_RATE_HP", - .cmd = DTV_CODE_RATE_HP, - .set = 0, - }, - [DTV_CODE_RATE_LP] = { - .name = "DTV_CODE_RATE_LP", - .cmd = DTV_CODE_RATE_LP, - .set = 0, - }, - [DTV_GUARD_INTERVAL] = { - .name = "DTV_GUARD_INTERVAL", - .cmd = DTV_GUARD_INTERVAL, - .set = 0, - }, - [DTV_TRANSMISSION_MODE] = { - .name = "DTV_TRANSMISSION_MODE", - .cmd = DTV_TRANSMISSION_MODE, - .set = 0, - }, - [DTV_HIERARCHY] = { - .name = "DTV_HIERARCHY", - .cmd = DTV_HIERARCHY, - .set = 0, - }, + _DTV_CMD(DTV_DISEQC_SLAVE_REPLY, 0, 1), + _DTV_CMD(DTV_API_VERSION, 0, 0), + _DTV_CMD(DTV_CODE_RATE_HP, 0, 0), + _DTV_CMD(DTV_CODE_RATE_LP, 0, 0), + _DTV_CMD(DTV_GUARD_INTERVAL, 0, 0), + _DTV_CMD(DTV_TRANSMISSION_MODE, 0, 0), + _DTV_CMD(DTV_HIERARCHY, 0, 0), }; static void dtv_property_dump(struct dtv_property *tvp) -- cgit v1.2.3 From 26b9d6c0b0e91c84b4713da5abd16baef3963d33 Mon Sep 17 00:00:00 2001 From: Abylay Ospan Date: Sun, 1 Nov 2009 18:46:53 -0300 Subject: V4L/DVB (13271): TS speed check. Logging transport stream speed in Kbits per second [mchehab@redhat.com: add asm/div64.h and allocate vars only if dvb_demux_speedcheck specified] Signed-off-by: Abylay Ospan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_demux.c | 39 ++++++++++++++++++++++++++++++++++ drivers/media/dvb/dvb-core/dvb_demux.h | 5 +++++ 2 files changed, 44 insertions(+) (limited to 'drivers/media/dvb/dvb-core') diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c index 91c537bca8a..b78cfb7d189 100644 --- a/drivers/media/dvb/dvb-core/dvb_demux.c +++ b/drivers/media/dvb/dvb-core/dvb_demux.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "dvb_demux.h" @@ -44,6 +45,11 @@ module_param(dvb_demux_tscheck, int, 0644); MODULE_PARM_DESC(dvb_demux_tscheck, "enable transport stream continuity and TEI check"); +static int dvb_demux_speedcheck; +module_param(dvb_demux_speedcheck, int, 0644); +MODULE_PARM_DESC(dvb_demux_speedcheck, + "enable transport stream speed check"); + #define dprintk_tscheck(x...) do { \ if (dvb_demux_tscheck && printk_ratelimit()) \ printk(x); \ @@ -387,6 +393,39 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf) u16 pid = ts_pid(buf); int dvr_done = 0; + if (dvb_demux_speedcheck) { + struct timespec cur_time, delta_time; + u64 speed_bytes, speed_timedelta; + + demux->speed_pkts_cnt++; + + /* show speed every SPEED_PKTS_INTERVAL packets */ + if (!(demux->speed_pkts_cnt % SPEED_PKTS_INTERVAL)) { + cur_time = current_kernel_time(); + + if (demux->speed_last_time.tv_sec != 0 && + demux->speed_last_time.tv_nsec != 0) { + delta_time = timespec_sub(cur_time, + demux->speed_last_time); + speed_bytes = (u64)demux->speed_pkts_cnt + * 188 * 8; + /* convert to 1024 basis */ + speed_bytes = 1000 * div64_u64(speed_bytes, + 1024); + speed_timedelta = + (u64)timespec_to_ns(&delta_time); + speed_timedelta = div64_u64(speed_timedelta, + 1000000); /* nsec -> usec */ + printk(KERN_INFO "TS speed %llu Kbits/sec \n", + div64_u64(speed_bytes, + speed_timedelta)); + }; + + demux->speed_last_time = cur_time; + demux->speed_pkts_cnt = 0; + }; + }; + if (dvb_demux_tscheck) { if (!demux->cnt_storage) demux->cnt_storage = vmalloc(MAX_PID + 1); diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h index 2fe05d03240..a7d876fd02d 100644 --- a/drivers/media/dvb/dvb-core/dvb_demux.h +++ b/drivers/media/dvb/dvb-core/dvb_demux.h @@ -44,6 +44,8 @@ #define MAX_PID 0x1fff +#define SPEED_PKTS_INTERVAL 50000 + struct dvb_demux_filter { struct dmx_section_filter filter; u8 maskandmode[DMX_MAX_FILTER_SIZE]; @@ -131,6 +133,9 @@ struct dvb_demux { spinlock_t lock; uint8_t *cnt_storage; /* for TS continuity check */ + + struct timespec speed_last_time; /* for TS speed check */ + uint32_t speed_pkts_cnt; /* for TS speed check */ }; int dvb_dmx_init(struct dvb_demux *dvbdemux); -- cgit v1.2.3