diff options
43 files changed, 702 insertions, 369 deletions
diff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware index 15fc8fbef67..4820366b6ae 100644 --- a/Documentation/dvb/get_dvb_firmware +++ b/Documentation/dvb/get_dvb_firmware @@ -259,9 +259,9 @@ sub dibusb { } sub nxt2002 { - my $sourcefile = "Broadband4PC_4_2_11.zip"; + my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip"; my $url = "http://www.bbti.us/download/windows/$sourcefile"; - my $hash = "c6d2ea47a8f456d887ada0cfb718ff2a"; + my $hash = "476befae8c7c1bb9648954060b1eec1f"; my $outfile = "dvb-fe-nxt2002.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); @@ -269,8 +269,8 @@ sub nxt2002 { wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); - verify("$tmpdir/SkyNETU.sys", $hash); - extract("$tmpdir/SkyNETU.sys", 375832, 5908, $outfile); + verify("$tmpdir/SkyNET.sys", $hash); + extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile); $outfile; } diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index fffc711c260..344d83aae3e 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -8,22 +8,54 @@ config VIDEO_DEV tristate "Video For Linux" ---help--- Support for audio/video capture and overlay devices and FM radio - cards. The exact capabilities of each device vary. User tools for - this are available from - <ftp://ftp.uk.linux.org/pub/linux/video4linux/>. + cards. The exact capabilities of each device vary. This kernel includes support for the new Video for Linux Two API, (V4L2) as well as the original system. Drivers and applications need to be rewritten to use V4L2, but drivers for popular cards and applications for most video capture functions already exist. - Documentation for the original API is included in the file - <file:Documentation/video4linux/API.html>. Documentation for V4L2 is - available on the web at <http://bytesex.org/v4l/>. + Additional info and docs are available on the web at + <http://linuxtv.org> + + Documentation for V4L2 is also available on the web at + <http://bytesex.org/v4l/>. To compile this driver as a module, choose M here: the module will be called videodev. +config VIDEO_V4L1 + boolean "Enable Video For Linux API 1 (DEPRECATED)" + depends on VIDEO_DEV + select VIDEO_V4L1_COMPAT + default y + ---help--- + Enables a compatibility API used by most V4L2 devices to allow + its usage with legacy applications that supports only V4L1 api. + + If you are unsure as to whether this is required, answer Y. + +config VIDEO_V4L1_COMPAT + boolean "Enable Video For Linux API 1 compatible Layer" + depends on VIDEO_DEV + default y + ---help--- + This api were developed to be used at Kernel 2.2 and 2.4, but + lacks support for several video standards. There are several + drivers at kernel that still depends on it. + + Documentation for the original API is included in the file + <Documentation/video4linux/API.html>. + + User tools for this are available from + <ftp://ftp.uk.linux.org/pub/linux/video4linux/>. + + If you are unsure as to whether this is required, answer Y. + +config VIDEO_V4L2 + tristate + default y + source "drivers/media/video/Kconfig" source "drivers/media/radio/Kconfig" @@ -65,4 +97,3 @@ config USB_DABUSB module will be called dabusb. endmenu - diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig index 6a901a0268e..9c45b983e0d 100644 --- a/drivers/media/common/Kconfig +++ b/drivers/media/common/Kconfig @@ -4,6 +4,7 @@ config VIDEO_SAA7146 config VIDEO_SAA7146_VV tristate + select VIDEO_V4L2 select VIDEO_BUF select VIDEO_VIDEOBUF select VIDEO_SAA7146 diff --git a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig index 376ca48f1d1..f28d721b8bb 100644 --- a/drivers/media/dvb/bt8xx/Kconfig +++ b/drivers/media/dvb/bt8xx/Kconfig @@ -7,6 +7,7 @@ config DVB_BT8XX select DVB_CX24110 select DVB_OR51211 select DVB_LGDT330X + select DVB_ZL10353 select FW_LOADER help Support for PCI cards based on the Bt8xx PCI bridge. Examples are diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 71b575dc22b..9325d039ea6 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -902,7 +902,10 @@ static int cinergyt2_probe (struct usb_interface *intf, return -ENOMEM; } - dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE); + if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE)) < 0) { + kfree(cinergyt2); + return err; + } cinergyt2->demux.priv = cinergyt2; cinergyt2->demux.filternum = 256; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 4f8f257e679..a051790161b 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -106,6 +106,8 @@ struct dvb_frontend_private { unsigned long tune_mode_flags; unsigned int delay; unsigned int reinitialise; + int tone; + int voltage; /* swzigzag values */ unsigned int state; @@ -537,6 +539,12 @@ static int dvb_frontend_thread(void *data) if (fepriv->reinitialise) { dvb_frontend_init(fe); + if (fepriv->tone != -1) { + fe->ops->set_tone(fe, fepriv->tone); + } + if (fepriv->voltage != -1) { + fe->ops->set_voltage(fe, fepriv->voltage); + } fepriv->reinitialise = 0; } @@ -788,6 +796,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_TONE: if (fe->ops->set_tone) { err = fe->ops->set_tone(fe, (fe_sec_tone_mode_t) parg); + fepriv->tone = (fe_sec_tone_mode_t) parg; fepriv->state = FESTATE_DISEQC; fepriv->status = 0; } @@ -796,6 +805,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_VOLTAGE: if (fe->ops->set_voltage) { err = fe->ops->set_voltage(fe, (fe_sec_voltage_t) parg); + fepriv->voltage = (fe_sec_voltage_t) parg; fepriv->state = FESTATE_DISEQC; fepriv->status = 0; } @@ -995,6 +1005,8 @@ static int dvb_frontend_open(struct inode *inode, struct file *file) /* normal tune mode when opened R/W */ fepriv->tune_mode_flags &= ~FE_TUNE_MODE_ONESHOT; + fepriv->tone = -1; + fepriv->voltage = -1; } return ret; diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 96fe0ecae25..3852430d026 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -219,8 +219,6 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, return -ENOMEM; } - mutex_unlock(&dvbdev_register_lock); - memcpy(dvbdev, template, sizeof(struct dvb_device)); dvbdev->type = type; dvbdev->id = id; @@ -231,6 +229,8 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, list_add_tail (&dvbdev->list_head, &adap->device_list); + mutex_unlock(&dvbdev_register_lock); + devfs_mk_cdev(MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), S_IFCHR | S_IRUSR | S_IWUSR, "dvb/adapter%d/%s%d", adap->num, dnames[type], id); diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 7edd6362b9c..1f0d3e995c8 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -150,6 +150,15 @@ static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff) return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0); } +static int cxusb_bluebird_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 b = 0; + if (onoff) + return cxusb_ctrl_msg(d, CMD_POWER_ON, &b, 1, NULL, 0); + else + return 0; +} + static int cxusb_streaming_ctrl(struct dvb_usb_device *d, int onoff) { u8 buf[2] = { 0x03, 0x00 }; @@ -544,7 +553,7 @@ static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_lgdt3303_frontend_attach, .tuner_attach = cxusb_lgh064f_tuner_attach, @@ -589,7 +598,7 @@ static struct dvb_usb_properties cxusb_bluebird_dee1601_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_dee1601_frontend_attach, .tuner_attach = cxusb_dee1601_tuner_attach, @@ -638,7 +647,7 @@ static struct dvb_usb_properties cxusb_bluebird_lgz201_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_mt352_frontend_attach, .tuner_attach = cxusb_lgz201_tuner_attach, @@ -683,7 +692,7 @@ static struct dvb_usb_properties cxusb_bluebird_dtt7579_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_mt352_frontend_attach, .tuner_attach = cxusb_dtt7579_tuner_attach, diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index d661c6f9cbe..691dc840dcc 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -29,6 +29,9 @@ #include "dvb_frontend.h" #include "cx24123.h" +#define XTAL 10111000 + +static int force_band; static int debug; #define dprintk(args...) \ do { \ @@ -52,6 +55,7 @@ struct cx24123_state u32 VGAarg; u32 bandselectarg; u32 pllarg; + u32 FILTune; /* The Demod/Tuner can't easily provide these, we cache them */ u32 currentfreq; @@ -63,43 +67,33 @@ static struct { u32 symbolrate_low; u32 symbolrate_high; - u32 VCAslope; - u32 VCAoffset; - u32 VGA1offset; - u32 VGA2offset; u32 VCAprogdata; u32 VGAprogdata; + u32 FILTune; } cx24123_AGC_vals[] = { { .symbolrate_low = 1000000, .symbolrate_high = 4999999, - .VCAslope = 0x07, - .VCAoffset = 0x0f, - .VGA1offset = 0x1f8, - .VGA2offset = 0x1f8, - .VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07, + /* the specs recommend other values for VGA offsets, + but tests show they are wrong */ + .VGAprogdata = (1 << 19) | (0x180 << 9) | 0x1e0, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x07, + .FILTune = 0x27f /* 0.41 V */ }, { .symbolrate_low = 5000000, .symbolrate_high = 14999999, - .VCAslope = 0x1f, - .VCAoffset = 0x1f, - .VGA1offset = 0x1e0, - .VGA2offset = 0x180, - .VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f, + .VGAprogdata = (1 << 19) | (0x180 << 9) | 0x1e0, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x1f, + .FILTune = 0x317 /* 0.90 V */ }, { .symbolrate_low = 15000000, .symbolrate_high = 45000000, - .VCAslope = 0x3f, - .VCAoffset = 0x3f, - .VGA1offset = 0x180, - .VGA2offset = 0x100, - .VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f, + .VGAprogdata = (1 << 19) | (0x100 << 9) | 0x180, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x3f, + .FILTune = 0x145 /* 2.70 V */ }, }; @@ -112,91 +106,80 @@ static struct { u32 freq_low; u32 freq_high; - u32 bandselect; u32 VCOdivider; - u32 VCOnumber; u32 progdata; } cx24123_bandselect_vals[] = { + /* band 1 */ { .freq_low = 950000, - .freq_high = 1018999, - .bandselect = 0x40, - .VCOdivider = 4, - .VCOnumber = 7, - .progdata = (0 << 18) | (0 << 9) | 0x40, - }, - { - .freq_low = 1019000, .freq_high = 1074999, - .bandselect = 0x80, .VCOdivider = 4, - .VCOnumber = 8, - .progdata = (0 << 18) | (0 << 9) | 0x80, + .progdata = (0 << 19) | (0 << 9) | 0x40, }, + + /* band 2 */ { .freq_low = 1075000, - .freq_high = 1227999, - .bandselect = 0x01, - .VCOdivider = 2, - .VCOnumber = 1, - .progdata = (0 << 18) | (1 << 9) | 0x01, + .freq_high = 1177999, + .VCOdivider = 4, + .progdata = (0 << 19) | (0 << 9) | 0x80, }, + + /* band 3 */ { - .freq_low = 1228000, - .freq_high = 1349999, - .bandselect = 0x02, + .freq_low = 1178000, + .freq_high = 1295999, .VCOdivider = 2, - .VCOnumber = 2, - .progdata = (0 << 18) | (1 << 9) | 0x02, + .progdata = (0 << 19) | (1 << 9) | 0x01, }, + + /* band 4 */ { - .freq_low = 1350000, - .freq_high = 1481999, - .bandselect = 0x04, + .freq_low = 1296000, + .freq_high = 1431999, .VCOdivider = 2, - .VCOnumber = 3, - .progdata = (0 << 18) | (1 << 9) | 0x04, + .progdata = (0 << 19) | (1 << 9) | 0x02, }, + + /* band 5 */ { - .freq_low = 1482000, - .freq_high = 1595999, - .bandselect = 0x08, + .freq_low = 1432000, + .freq_high = 1575999, .VCOdivider = 2, - .VCOnumber = 4, - .progdata = (0 << 18) | (1 << 9) | 0x08, + .progdata = (0 << 19) | (1 << 9) | 0x04, }, + + /* band 6 */ { - .freq_low = 1596000, + .freq_low = 1576000, .freq_high = 1717999, - .bandselect = 0x10, .VCOdivider = 2, - .VCOnumber = 5, - .progdata = (0 << 18) | (1 << 9) | 0x10, + .progdata = (0 << 19) | (1 << 9) | 0x08, }, + + /* band 7 */ { .freq_low = 1718000, .freq_high = 1855999, - .bandselect = 0x20, .VCOdivider = 2, - .VCOnumber = 6, - .progdata = (0 << 18) | (1 << 9) | 0x20, + .progdata = (0 << 19) | (1 << 9) | 0x10, }, + + /* band 8 */ { .freq_low = 1856000, .freq_high = 2035999, - .bandselect = 0x40, .VCOdivider = 2, - .VCOnumber = 7, - .progdata = (0 << 18) | (1 << 9) | 0x40, + .progdata = (0 << 19) | (1 << 9) | 0x20, }, + + /* band 9 */ { .freq_low = 2036000, - .freq_high = 2149999, - .bandselect = 0x80, + .freq_high = 2150000, .VCOdivider = 2, - .VCOnumber = 8, - .progdata = (0 << 18) | (1 << 9) | 0x80, + .progdata = (0 << 19) | (1 << 9) | 0x40, }, }; @@ -207,49 +190,44 @@ static struct { { {0x00, 0x03}, /* Reset system */ {0x00, 0x00}, /* Clear reset */ - {0x01, 0x3b}, /* Apply sensible defaults, from an i2c sniffer */ - {0x03, 0x07}, - {0x04, 0x10}, - {0x05, 0x04}, - {0x06, 0x31}, - {0x0d, 0x02}, - {0x0e, 0x03}, - {0x0f, 0xfe}, - {0x10, 0x01}, - {0x14, 0x01}, - {0x15, 0x98}, - {0x16, 0x00}, - {0x17, 0x01}, - {0x1b, 0x05}, - {0x1c, 0x80}, - {0x1d, 0x00}, - {0x1e, 0x00}, - {0x20, 0x41}, - {0x21, 0x15}, - {0x27, 0x14}, - {0x28, 0x46}, - {0x29, 0x00}, - {0x2a, 0xb0}, - {0x2b, 0x73}, - {0x2c, 0x00}, + {0x03, 0x07}, /* QPSK, DVB, Auto Acquisition (default) */ + {0x04, 0x10}, /* MPEG */ + {0x05, 0x04}, /* MPEG */ + {0x06, 0x31}, /* MPEG (default) */ + {0x0b, 0x00}, /* Freq search start point (default) */ + {0x0c, 0x00}, /* Demodulator sample gain (default) */ + {0x0d, 0x02}, /* Frequency search range = Fsymbol / 4 (default) */ + {0x0e, 0x03}, /* Default non-inverted, FEC 3/4 (default) */ + {0x0f, 0xfe}, /* FEC search mask (all supported codes) */ + {0x10, 0x01}, /* Default search inversion, no repeat (default) */ + {0x16, 0x00}, /* Enable reading of frequency */ + {0x17, 0x01}, /* Enable EsNO Ready Counter */ + {0x1c, 0x80}, /* Enable error counter */ + {0x20, 0x00}, /* Tuner burst clock rate = 500KHz */ + {0x21, 0x15}, /* Tuner burst mode, word length = 0x15 */ + {0x28, 0x00}, /* Enable FILTERV with positive pol., DiSEqC 2.x off */ + {0x29, 0x00}, /* DiSEqC LNB_DC off */ + {0x2a, 0xb0}, /* DiSEqC Parameters (default) */ + {0x2b, 0x73}, /* DiSEqC Tone Frequency (default) */ + {0x2c, 0x00}, /* DiSEqC Message (0x2c - 0x31) */ {0x2d, 0x00}, {0x2e, 0x00}, {0x2f, 0x00}, {0x30, 0x00}, {0x31, 0x00}, - {0x32, 0x8c}, - {0x33, 0x00}, + {0x32, 0x8c}, /* DiSEqC Parameters (default) */ + {0x33, 0x00}, /* Interrupts off (0x33 - 0x34) */ {0x34, 0x00}, - {0x35, 0x03}, - {0x36, 0x02}, - {0x37, 0x3a}, - {0x3a, 0x00}, /* Enable AGC accumulator */ - {0x44, 0x00}, - {0x45, 0x00}, - {0x46, 0x05}, - {0x56, 0x41}, - {0x57, 0xff}, - {0x67, 0x83}, + {0x35, 0x03}, /* DiSEqC Tone Amplitude (default) */ + {0x36, 0x02}, /* DiSEqC Parameters (default) */ + {0x37, 0x3a}, /* DiSEqC Parameters (default) */ + {0x3a, 0x00}, /* Enable AGC accumulator (for signal strength) */ + {0x44, 0x00}, /* Constellation (default) */ + {0x45, 0x00}, /* Symbol count (default) */ + {0x46, 0x0d}, /* Symbol rate estimator on (default) */ + {0x56, 0x41}, /* Various (default) */ + {0x57, 0xff}, /* Error Counter Window (default) */ + {0x67, 0x83}, /* Non-DCII symbol clock */ }; static int cx24123_writereg(struct cx24123_state* state, int reg, int data) @@ -258,6 +236,10 @@ static int cx24123_writereg(struct cx24123_state* state, int reg, int data) struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; int err; + if (debug>1) + printk("cx24123: %s: write reg 0x%02x, value 0x%02x\n", + __FUNCTION__,reg, data); + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { printk("%s: writereg error(err == %i, reg == 0x%02x," " data == 0x%02x)\n", __FUNCTION__, err, reg, data); @@ -274,6 +256,10 @@ static int cx24123_writelnbreg(struct cx24123_state* state, int reg, int data) struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = buf, .len = 2 }; int err; + if (debug>1) + printk("cx24123: %s: writeln addr=0x08, reg 0x%02x, value 0x%02x\n", + __FUNCTION__,reg, data); + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { printk("%s: writelnbreg error (err == %i, reg == 0x%02x," " data == 0x%02x)\n", __FUNCTION__, err, reg, data); @@ -303,6 +289,9 @@ static int cx24123_readreg(struct cx24123_state* state, u8 reg) return ret; } + if (debug>1) + printk("cx24123: read reg 0x%02x, value 0x%02x\n",reg, ret); + return b1[0]; } @@ -313,17 +302,23 @@ static int cx24123_readlnbreg(struct cx24123_state* state, u8 reg) static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion) { + u8 nom_reg = cx24123_readreg(state, 0x0e); + u8 auto_reg = cx24123_readreg(state, 0x10); + switch (inversion) { case INVERSION_OFF: - cx24123_writereg(state, 0x0e, cx24123_readreg(state, 0x0e) & 0x7f); - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) | 0x80); + dprintk("%s: inversion off\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg & ~0x80); + cx24123_writereg(state, 0x10, auto_reg | 0x80); break; case INVERSION_ON: - cx24123_writereg(state, 0x0e, cx24123_readreg(state, 0x0e) | 0x80); - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) | 0x80); + dprintk("%s: inversion on\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x80); + cx24123_writereg(state, 0x10, auto_reg | 0x80); break; case INVERSION_AUTO: - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) & 0x7f); + dprintk("%s: inversion auto\n",__FUNCTION__); + cx24123_writereg(state, 0x10, auto_reg & ~0x80); break; default: return -EINVAL; @@ -338,92 +333,191 @@ static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_invers val = cx24123_readreg(state, 0x1b) >> 7; - if (val == 0) + if (val == 0) { + dprintk("%s: read inversion off\n",__FUNCTION__); *inversion = INVERSION_OFF; - else + } else { + dprintk("%s: read inversion on\n",__FUNCTION__); *inversion = INVERSION_ON; + } return 0; } static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec) { + u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07; + if ( (fec < FEC_NONE) || (fec > FEC_AUTO) ) fec = FEC_AUTO; - /* Hardware has 5/11 and 3/5 but are never unused */ switch (fec) { - case FEC_NONE: - return cx24123_writereg(state, 0x0f, 0x01); case FEC_1_2: - return cx24123_writereg(state, 0x0f, 0x02); + dprintk("%s: set FEC to 1/2\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x01); + cx24123_writereg(state, 0x0f, 0x02); + break; case FEC_2_3: - return cx24123_writereg(state, 0x0f, 0x04); + dprintk("%s: set FEC to 2/3\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x02); + cx24123_writereg(state, 0x0f, 0x04); + break; case FEC_3_4: - return cx24123_writereg(state, 0x0f, 0x08); + dprintk("%s: set FEC to 3/4\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x03); + cx24123_writereg(state, 0x0f, 0x08); + break; + case FEC_4_5: + dprintk("%s: set FEC to 4/5\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x04); + cx24123_writereg(state, 0x0f, 0x10); + break; case FEC_5_6: - return cx24123_writereg(state, 0x0f, 0x20); + dprintk("%s: set FEC to 5/6\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x05); + cx24123_writereg(state, 0x0f, 0x20); + break; + case FEC_6_7: + dprintk("%s: set FEC to 6/7\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x06); + cx24123_writereg(state, 0x0f, 0x40); + break; case FEC_7_8: - return cx24123_writereg(state, 0x0f, 0x80); + dprintk("%s: set FEC to 7/8\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x07); + cx24123_writereg(state, 0x0f, 0x80); + break; case FEC_AUTO: - return cx24123_writereg(state, 0x0f, 0xae); + dprintk("%s: set FEC to auto\n",__FUNCTION__); + cx24123_writereg(state, 0x0f, 0xfe); + break; default: return -EOPNOTSUPP; } + + return 0; } static int cx24123_get_fec(struct cx24123_state* state, fe_code_rate_t *fec) { int ret; - u8 val; ret = cx24123_readreg (state, 0x1b); if (ret < 0) return ret; - val = ret & 0x07; - switch (val) { + ret = ret & 0x07; + + switch (ret) { case 1: *fec = FEC_1_2; break; - case 3: + case 2: *fec = FEC_2_3; break; - case 4: + case 3: *fec = FEC_3_4; break; - case 5: + case 4: *fec = FEC_4_5; break; - case 6: + case 5: *fec = FEC_5_6; break; + case 6: + *fec = FEC_6_7; + break; case 7: *fec = FEC_7_8; break; - case 2: /* *fec = FEC_3_5; break; */ - case 0: /* *fec = FEC_5_11; break; */ - *fec = FEC_AUTO; - break; default: - *fec = FEC_NONE; // can't happen + /* this can happen when there's no lock */ + *fec = FEC_NONE; } return 0; } -/* fixme: Symbol rates < 3MSps may not work because of precision loss */ +/* Approximation of closest integer of log2(a/b). It actually gives the + lowest integer i such that 2^i >= round(a/b) */ +static u32 cx24123_int_log2(u32 a, u32 b) +{ + u32 exp, nearest = 0; + u32 div = a / b; + if(a % b >= b / 2) ++div; + if(div < (1 << 31)) + { + for(exp = 1; div > exp; nearest++) + exp += exp; + } + return nearest; +} + static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate) { - u32 val; + u32 tmp, sample_rate, ratio, sample_gain; + u8 pll_mult; + + /* check if symbol rate is within limits */ + if ((srate > state->ops.info.symbol_rate_max) || + (srate < state->ops.info.symbol_rate_min)) + return -EOPNOTSUPP;; + + /* choose the sampling rate high enough for the required operation, |