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Diffstat (limited to 'linux/drivers/media/dvb/dvb-usb/digitv.c')
-rw-r--r--linux/drivers/media/dvb/dvb-usb/digitv.c207
1 files changed, 134 insertions, 73 deletions
diff --git a/linux/drivers/media/dvb/dvb-usb/digitv.c b/linux/drivers/media/dvb/dvb-usb/digitv.c
index 489644a51..649a5cd80 100644
--- a/linux/drivers/media/dvb/dvb-usb/digitv.c
+++ b/linux/drivers/media/dvb/dvb-usb/digitv.c
@@ -1,4 +1,4 @@
-/* DVB USB compliant linux driver for Nebula Electronics µDigiTV DVB-T USB2.0
+/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
* receiver
*
* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de) and
@@ -12,62 +12,38 @@
*
* see Documentation/dvb/README.dvb-usb for more information
*/
-#include "dvb-usb.h"
+#include "digitv.h"
#include "mt352.h"
+#include "nxt6000.h"
-/* protocol: this is what I read of the USB log:
- *
- * Always 7 bytes control message(s),
- *
- * First byte at describes the command. Reads are 2 consecutive transfer (as always).
- *
- * I2C address is stored somewhere inside the device.
- *
- * 0x02 i2c reading (2 messages)
- * 1st msg <reg> <len>
- * 2nd msg <reg> <len> <value>
- *
- * 0x05 i2c writing
- * <reg> <len> <value>
- * len = 1 for the mt352
- *
- * Others:
- *
- * 0x03 remote control query (read 4 bytes)
- * 1st msg: 0x00 0x04
- * 2nd msg: 0x00 0x04 4 bytes key (probably NEC protocol)
- *
- * 0x08 stream control ?
- * 0x00 0x04 0x01
- *
- * 0x07 unkown (maybe pid filter?)
- */
+/* debug */
+int dvb_usb_digitv_debug;
+module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
-
-/* I2C */
-static int digitv_i2c_msg(struct dvb_usb_device *d,u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+static int digitv_ctrl_msg(struct dvb_usb_device *d,
+ u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
- u8 sndbuf[7],rcvbuf[7]; /* <cmd> <reg> <len> <val[4]> */
int wo = (rbuf == NULL || rlen == 0); /* write-only */
-
+ u8 sndbuf[7],rcvbuf[7];
memset(sndbuf,0,7); memset(rcvbuf,0,7);
- sndbuf[0] = wo ? 0x05 : 0x03;
- sndbuf[1] = wbuf[0]; /* register */
- sndbuf[2] = wo ? wlen-1 : rlen;
-
- if (wo)
- memcpy(&sndbuf[3],&wbuf[1],wlen-1);
-
- dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7);
-
- if (!wo)
- memcpy(rbuf,&rcvbuf[3],rlen);
+ sndbuf[0] = cmd;
+ sndbuf[1] = vv;
+ sndbuf[2] = wo ? wlen : rlen;
+ if (!wo) {
+ memcpy(&sndbuf[3],wbuf,wlen);
+ dvb_usb_generic_write(d,sndbuf,7);
+ } else {
+ dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
+ memcpy(&rbuf,&rcvbuf[3],rlen);
+ }
return 0;
}
+/* I2C */
static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
@@ -82,12 +58,13 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
for (i = 0; i < num; i++) {
/* write/read request */
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
- if (digitv_i2c_msg(d, msg[i].buf, msg[i].len,
+ if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
msg[i+1].buf,msg[i+1].len) < 0)
break;
i++;
} else
- if (digitv_i2c_msg(d, msg[i].buf,msg[i].len,NULL,0) < 0)
+ if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
+ &msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
break;
}
@@ -108,36 +85,120 @@ static struct i2c_algorithm digitv_i2c_algo = {
};
/* Callbacks for DVB USB */
-static int probe_count;
static int digitv_identify_state (struct usb_device *udev, struct
dvb_usb_properties *props, struct dvb_usb_device_description **desc,
int *cold)
{
+ *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
+ return 0;
+}
+
+static int digitv_mt352_demod_init(struct dvb_frontend *fe)
+{
+ static u8 mt352_clock_config[] = { 0x89, 0x38, 0x2d };
+ static u8 mt352_reset[] = { 0x50, 0x80 };
+ static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 };
+
+ static u8 mt352_agc_cfg[] = { 0x68, 0xa0 };
+ static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0xa0 };
+ static u8 mt352_acq_ctl[] = { 0x53, 0x50 };
+ static u8 mt352_agc_target[] = { 0x67, 0x20 };
+
+ static u8 mt352_rs_err_per[] = { 0x7c, 0x00, 0x01 };
+ static u8 mt352_snr_select[] = { 0x79, 0x00, 0x20 };
+
+ static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x05 };
+
+ static u8 mt352_scan_ctl[] = { 0x88, 0x0f };
+ static u8 mt352_capt_range[] = { 0x75, 0x32 };
+
+ mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
+ mt352_write(fe, mt352_reset, sizeof(mt352_reset));
+ msleep(1);
+ mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio));
+
+ mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
+ mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
+ mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl));
+ mt352_write(fe, mt352_agc_target, sizeof(mt352_agc_target));
+
+
+ mt352_write(fe, mt352_rs_err_per, sizeof(mt352_rs_err_per));
+ mt352_write(fe, mt352_snr_select, sizeof(mt352_snr_select));
+
+ mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1));
+
+ mt352_write(fe, mt352_scan_ctl, sizeof(mt352_scan_ctl));
+ mt352_write(fe, mt352_capt_range, sizeof(mt352_capt_range));
- /* here we have to determine if the device is in cold state (pre firmware
- * load) or in warm state therefore compare the 'lsusb -v' of each state.
- * Most likely the number of endpoints or interfaces can be used to figure
- * the real state out.
- * For now we assume each odd call of this function (when the device is
- * plugged in or virtually plugged in after the firmware load) is warm
- * state and each even call is cold probe_count is set to 0 at module load.
- */
-
- *cold = (probe_count % 2) == 0;
- probe_count++;
return 0;
}
+static struct mt352_config digitv_mt352_config = {
+ .demod_address = 0x0, /* ignored by the digitv anyway */
+ .demod_init = digitv_mt352_demod_init,
+ .pll_set = NULL, /* TODO */
+};
+
+static struct nxt6000_config digitv_nxt6000_config = {
+ .demod_address = 0x0, /* ignored by the digitv anyway */
+ .clock_inversion = 0x0,
+
+ .pll_init = NULL,
+ .pll_set = NULL,
+};
+
static int digitv_frontend_attach(struct dvb_usb_device *d)
{
- struct mt352_config digitv_config;
+ if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) == NULL)
+ return 0;
+ if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) == NULL) {
+
+ warn("nxt6000 support is not done yet, in fact you are one of the first "
+ "person who wants to use this device in Linux. Please report to "
+ "linux-dvb@linuxtv.org");
+
+ return 0;
+ }
+ return -EIO;
+}
+
+
+static struct dvb_usb_nec_rc_key digitv_rc_keys[] = {
+ { 0x00, 0x16, KEY_POWER }, /* dummy key */
+};
+
+int digitv_rc_init(struct dvb_usb_device *d)
+{
+ int i;
+ u8 b[4];
+ for (i = 0; i < sizeof(digitv_rc_keys)/sizeof(struct dvb_usb_nec_rc_key); i++)
+ set_bit(digitv_rc_keys[i].event, d->rc_input_dev.keybit);
+
+ b[0] = 1;
+ digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
+
+ b[0] = 0;
+ digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
- memset(&digitv_config,0,sizeof(struct mt352_config));
- digitv_config.demod_init = NULL; /* TODO maybe */
- digitv_config.demod_address = 0x0; /* ignore by the digitv anyway */
- digitv_config.pll_set = NULL; /* TODO */
+ return 0;
+}
- d->fe = mt352_attach(&digitv_config, &d->i2c_adap);
+/* TODO is it really the NEC protocol ? */
+int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+ u8 key[5];
+
+ digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
+ /* TODO state, maybe it is VV ? */
+ if (key[1] != 0)
+ key[0] = 0x01; /* if something is inside the buffer, simulate key press */
+
+ /* call the universal NEC remote processor, to find out the key's state and event */
+ dvb_usb_nec_rc_key_to_event(d,digitv_rc_keys,sizeof(digitv_rc_keys)/sizeof(struct dvb_usb_nec_rc_key),
+ key,event,state);
+ if (key[0] != 0)
+ deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
return 0;
}
@@ -165,17 +226,17 @@ static struct dvb_usb_properties digitv_properties = {
.size_of_priv = 0,
- .streaming_ctrl = NULL, // digitv_streaming_ctrl,
+ .streaming_ctrl = NULL,
.pid_filter = NULL,
.pid_filter_ctrl = NULL,
- .power_ctrl = NULL, // digitv_power_ctrl,
+ .power_ctrl = NULL,
.frontend_attach = digitv_frontend_attach,
.tuner_attach = NULL, // digitv_tuner_attach,
.read_mac_address = NULL,
- .rc_interval = 0, // 150,
- .init_rc = NULL, // digitv_rc_init,
- .query_rc = NULL, // digitv_rc_query,
+ .rc_interval = 1000,
+ .init_rc = digitv_rc_init,
+ .query_rc = digitv_rc_query,
.identify_state = digitv_identify_state,
@@ -196,7 +257,7 @@ static struct dvb_usb_properties digitv_properties = {
.num_device_descs = 2,
.devices = {
- { "Nebula Electronics µDigiTV DVB-T USB2.0)",
+ { "Nebula Electronics uDigiTV DVB-T USB2.0)",
{ &digitv_table[0], NULL },
{ NULL },
},
@@ -205,7 +266,7 @@ static struct dvb_usb_properties digitv_properties = {
static struct usb_driver digitv_driver = {
.owner = THIS_MODULE,
- .name = "Nebula Electronics µDigiTV DVB-T USB2.0 device",
+ .name = "Nebula Electronics uDigiTV DVB-T USB2.0 device",
.probe = digitv_probe,
.disconnect = dvb_usb_device_exit,
.id_table = digitv_table,
@@ -233,6 +294,6 @@ module_init (digitv_module_init);
module_exit (digitv_module_exit);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
-MODULE_DESCRIPTION("Driver for Nebula Electronics µDigiTV DVB-T USB2.0");
+MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
MODULE_VERSION("1.0-alpha");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 19:23:47 +0000