diff options
| -rw-r--r-- | Documentation/dvb/get_dvb_firmware | 4 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/tda1004x.c | 36 |
2 files changed, 36 insertions, 4 deletions
diff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware index 3ffdcb39429..a750f0101d9 100644 --- a/Documentation/dvb/get_dvb_firmware +++ b/Documentation/dvb/get_dvb_firmware @@ -107,7 +107,7 @@ sub tda10045 { sub tda10046 { my $sourcefile = "tt_budget_217g.zip"; my $url = "http://www.technotrend.de/new/217g/$sourcefile"; - my $hash = "a25b579e37109af60f4a36c37893957c"; + my $hash = "6a7e1e2f2644b162ff0502367553c72d"; my $outfile = "dvb-fe-tda10046.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); @@ -115,7 +115,7 @@ sub tda10046 { wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); - extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x3f731, 24479, "$tmpdir/fwtmp"); + extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x3f731, 24478, "$tmpdir/fwtmp"); verify("$tmpdir/fwtmp", $hash); copy("$tmpdir/fwtmp", $outfile); diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index ecfa8c7a978..0beb370792a 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -49,6 +49,7 @@ struct tda1004x_state { /* private demod data */ u8 initialised; enum tda1004x_demod demod_type; + u8 fw_version; }; @@ -380,6 +381,25 @@ static int tda10045_fwupload(struct dvb_frontend* fe) return tda1004x_check_upload_ok(state, 0x2c); } +static int tda10046_get_fw_version(struct tda1004x_state *state, + const struct firmware *fw) +{ + const unsigned char pattern[] = { 0x67, 0x00, 0x50, 0x62, 0x5e, 0x18, 0x67 }; + unsigned int i; + + /* area guessed from firmware v20, v21 and v25 */ + for (i = 0x660; i < 0x700; i++) { + if (!memcmp(&fw->data[i], pattern, sizeof(pattern))) { + state->fw_version = fw->data[i + sizeof(pattern)]; + printk(KERN_INFO "tda1004x: using firmware v%02x\n", + state->fw_version); + return 0; + } + } + + return -EINVAL; +} + static int tda10046_fwupload(struct dvb_frontend* fe) { struct tda1004x_state* state = fe->demodulator_priv; @@ -393,7 +413,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe) msleep(100); /* don't re-upload unless necessary */ - if (tda1004x_check_upload_ok(state, 0x20) == 0) + if (tda1004x_check_upload_ok(state, state->fw_version) == 0) return 0; /* request the firmware, this will block until someone uploads it */ @@ -404,6 +424,17 @@ static int tda10046_fwupload(struct dvb_frontend* fe) return ret; } + if (fw->size < 24478) { /* size of firmware v20, which is the smallest of v20, v21 and v25 */ + printk("tda1004x: firmware file seems to be too small (%d bytes)\n", fw->size); + return -EINVAL; + } + + ret = tda10046_get_fw_version(state, fw); + if (ret < 0) { + printk("tda1004x: unable to find firmware version\n"); + return ret; + } + /* set parameters */ tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); @@ -427,7 +458,7 @@ static int tda10046_fwupload(struct dvb_frontend* fe) msleep(1); } - return tda1004x_check_upload_ok(state, 0x20); + return tda1004x_check_upload_ok(state, state->fw_version); } static int tda1004x_encode_fec(int fec) @@ -1185,6 +1216,7 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops)); state->initialised = 0; state->demod_type = TDA1004X_DEMOD_TDA10046; + state->fw_version = 0x20; /* dummy default value */ /* check if the demod is there */ if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) { |