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path: root/drivers/media/usb/dvb-usb/vp702x.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb/vp702x.c')
-rw-r--r--drivers/media/usb/dvb-usb/vp702x.c455
1 files changed, 455 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/vp702x.c b/drivers/media/usb/dvb-usb/vp702x.c
new file mode 100644
index 000000000..5b6740cbd
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/vp702x.c
@@ -0,0 +1,455 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
+ * receiver.
+ *
+ * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
+ * Metzler Brothers Systementwicklung GbR
+ *
+ * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@posteo.de>
+ *
+ * Thanks to Twinhan who kindly provided hardware and information.
+ *
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
+ */
+#include "vp702x.h"
+#include <linux/mutex.h>
+
+/* debug */
+int dvb_usb_vp702x_debug;
+module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+struct vp702x_adapter_state {
+ int pid_filter_count;
+ int pid_filter_can_bypass;
+ u8 pid_filter_state;
+};
+
+static int vp702x_usb_in_op_unlocked(struct dvb_usb_device *d, u8 req,
+ u16 value, u16 index, u8 *b, int blen)
+{
+ int ret;
+
+ ret = usb_control_msg(d->udev,
+ usb_rcvctrlpipe(d->udev, 0),
+ req,
+ USB_TYPE_VENDOR | USB_DIR_IN,
+ value, index, b, blen,
+ 2000);
+
+ if (ret < 0) {
+ warn("usb in operation failed. (%d)", ret);
+ ret = -EIO;
+ } else
+ ret = 0;
+
+
+ deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
+ debug_dump(b,blen,deb_xfer);
+
+ return ret;
+}
+
+int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value,
+ u16 index, u8 *b, int blen)
+{
+ int ret;
+
+ mutex_lock(&d->usb_mutex);
+ ret = vp702x_usb_in_op_unlocked(d, req, value, index, b, blen);
+ mutex_unlock(&d->usb_mutex);
+
+ return ret;
+}
+
+static int vp702x_usb_out_op_unlocked(struct dvb_usb_device *d, u8 req,
+ u16 value, u16 index, u8 *b, int blen)
+{
+ int ret;
+ deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
+ debug_dump(b,blen,deb_xfer);
+
+ if ((ret = usb_control_msg(d->udev,
+ usb_sndctrlpipe(d->udev,0),
+ req,
+ USB_TYPE_VENDOR | USB_DIR_OUT,
+ value,index,b,blen,
+ 2000)) != blen) {
+ warn("usb out operation failed. (%d)",ret);
+ return -EIO;
+ } else
+ return 0;
+}
+
+static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
+ u16 index, u8 *b, int blen)
+{
+ int ret;
+
+ mutex_lock(&d->usb_mutex);
+ ret = vp702x_usb_out_op_unlocked(d, req, value, index, b, blen);
+ mutex_unlock(&d->usb_mutex);
+
+ return ret;
+}
+
+int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
+{
+ int ret;
+
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
+ return ret;
+
+ ret = vp702x_usb_out_op_unlocked(d, REQUEST_OUT, 0, 0, o, olen);
+ msleep(msec);
+ ret = vp702x_usb_in_op_unlocked(d, REQUEST_IN, 0, 0, i, ilen);
+
+ mutex_unlock(&d->usb_mutex);
+ return ret;
+}
+
+static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
+ int olen, u8 *i, int ilen, int msec)
+{
+ struct vp702x_device_state *st = d->priv;
+ int ret = 0;
+ u8 *buf;
+ int buflen = max(olen + 2, ilen + 1);
+
+ ret = mutex_lock_interruptible(&st->buf_mutex);
+ if (ret < 0)
+ return ret;
+
+ if (buflen > st->buf_len) {
+ buf = kmalloc(buflen, GFP_KERNEL);
+ if (!buf) {
+ mutex_unlock(&st->buf_mutex);
+ return -ENOMEM;
+ }
+ info("successfully reallocated a bigger buffer");
+ kfree(st->buf);
+ st->buf = buf;
+ st->buf_len = buflen;
+ } else {
+ buf = st->buf;
+ }
+
+ buf[0] = 0x00;
+ buf[1] = cmd;
+ memcpy(&buf[2], o, olen);
+
+ ret = vp702x_usb_inout_op(d, buf, olen+2, buf, ilen+1, msec);
+
+ if (ret == 0)
+ memcpy(i, &buf[1], ilen);
+ mutex_unlock(&st->buf_mutex);
+
+ return ret;
+}
+
+static int vp702x_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass)
+{
+ int ret;
+ struct vp702x_device_state *st = adap->dev->priv;
+ u8 *buf;
+
+ mutex_lock(&st->buf_mutex);
+
+ buf = st->buf;
+ memset(buf, 0, 16);
+
+ ret = vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e,
+ 0, buf, 16);
+ mutex_unlock(&st->buf_mutex);
+ return ret;
+}
+
+static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state)
+{
+ int ret;
+ struct vp702x_device_state *st = adap->dev->priv;
+ u8 *buf;
+
+ mutex_lock(&st->buf_mutex);
+
+ buf = st->buf;
+ memset(buf, 0, 16);
+ ret = vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f,
+ 0, buf, 16);
+
+ mutex_unlock(&st->buf_mutex);
+
+ return ret;
+}
+
+static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff)
+{
+ struct vp702x_adapter_state *st = adap->priv;
+ struct vp702x_device_state *dst = adap->dev->priv;
+ u8 *buf;
+
+ if (onoff)
+ st->pid_filter_state |= (1 << id);
+ else {
+ st->pid_filter_state &= ~(1 << id);
+ pid = 0xffff;
+ }
+
+ id = 0x10 + id*2;
+
+ vp702x_set_pld_state(adap, st->pid_filter_state);
+
+ mutex_lock(&dst->buf_mutex);
+
+ buf = dst->buf;
+ memset(buf, 0, 16);
+ vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);
+ vp702x_usb_in_op(adap->dev, 0xe0, (((pid ) & 0xff) << 8) | (id+1), 0, buf, 16);
+
+ mutex_unlock(&dst->buf_mutex);
+
+ return 0;
+}
+
+
+static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap)
+{
+ struct vp702x_adapter_state *st = adap->priv;
+ struct vp702x_device_state *dst = adap->dev->priv;
+ int i;
+ u8 *b;
+
+ st->pid_filter_count = 8;
+ st->pid_filter_can_bypass = 1;
+ st->pid_filter_state = 0x00;
+
+ vp702x_set_pld_mode(adap, 1); /* bypass */
+
+ for (i = 0; i < st->pid_filter_count; i++)
+ vp702x_set_pid(adap, 0xffff, i, 1);
+
+ mutex_lock(&dst->buf_mutex);
+ b = dst->buf;
+ memset(b, 0, 10);
+ vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);
+ vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);
+ vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);
+ mutex_unlock(&dst->buf_mutex);
+ /*vp702x_set_pld_mode(d, 0); // filter */
+
+ return 0;
+}
+
+static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+ return 0;
+}
+
+/* keys for the enclosed remote control */
+static struct rc_map_table rc_map_vp702x_table[] = {
+ { 0x0001, KEY_1 },
+ { 0x0002, KEY_2 },
+};
+
+/* remote control stuff (does not work with my box) */
+static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+/* remove the following return to enabled remote querying */
+#if 0
+ u8 *key;
+ int i;
+
+ key = kmalloc(10, GFP_KERNEL);
+ if (!key)
+ return -ENOMEM;
+
+ vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
+
+ deb_rc("remote query key: %x %d\n",key[1],key[1]);
+
+ if (key[1] == 0x44) {
+ *state = REMOTE_NO_KEY_PRESSED;
+ kfree(key);
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rc_map_vp702x_table); i++)
+ if (rc5_custom(&rc_map_vp702x_table[i]) == key[1]) {
+ *state = REMOTE_KEY_PRESSED;
+ *event = rc_map_vp702x_table[i].keycode;
+ break;
+ }
+ kfree(key);
+#endif
+
+ return 0;
+}
+
+
+static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
+{
+ u8 i, *buf;
+ int ret;
+ struct vp702x_device_state *st = d->priv;
+
+ mutex_lock(&st->buf_mutex);
+ buf = st->buf;
+ for (i = 6; i < 12; i++) {
+ ret = vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1,
+ &buf[i - 6], 1);
+ if (ret < 0)
+ goto err;
+ }
+
+ memcpy(mac, buf, 6);
+err:
+ mutex_unlock(&st->buf_mutex);
+ return ret;
+}
+
+static int vp702x_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ u8 buf[10] = { 0 };
+
+ vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
+
+ if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0,
+ buf, 10, 10))
+ return -EIO;
+
+ buf[9] = '\0';
+ info("system string: %s",&buf[1]);
+
+ vp702x_init_pid_filter(adap);
+
+ adap->fe_adap[0].fe = vp702x_fe_attach(adap->dev);
+ vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
+
+ return 0;
+}
+
+static struct dvb_usb_device_properties vp702x_properties;
+
+static int vp702x_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct dvb_usb_device *d;
+ struct vp702x_device_state *st;
+ int ret;
+
+ ret = dvb_usb_device_init(intf, &vp702x_properties,
+ THIS_MODULE, &d, adapter_nr);
+ if (ret)
+ goto out;
+
+ st = d->priv;
+ st->buf_len = 16;
+ st->buf = kmalloc(st->buf_len, GFP_KERNEL);
+ if (!st->buf) {
+ ret = -ENOMEM;
+ dvb_usb_device_exit(intf);
+ goto out;
+ }
+ mutex_init(&st->buf_mutex);
+
+out:
+ return ret;
+
+}
+
+static void vp702x_usb_disconnect(struct usb_interface *intf)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ struct vp702x_device_state *st = d->priv;
+ mutex_lock(&st->buf_mutex);
+ kfree(st->buf);
+ mutex_unlock(&st->buf_mutex);
+ dvb_usb_device_exit(intf);
+}
+
+enum {
+ VISIONPLUS_VP7021_COLD,
+ VISIONPLUS_VP7020_COLD,
+ VISIONPLUS_VP7020_WARM,
+};
+
+static struct usb_device_id vp702x_usb_table[] = {
+ DVB_USB_DEV(VISIONPLUS, VISIONPLUS_VP7021_COLD),
+// DVB_USB_DEV(VISIONPLUS, VISIONPLUS_VP7020_COLD),
+// DVB_USB_DEV(VISIONPLUS, VISIONPLUS_VP7020_WARM),
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
+
+static struct dvb_usb_device_properties vp702x_properties = {
+ .usb_ctrl = CYPRESS_FX2,
+ .firmware = "dvb-usb-vp702x-02.fw",
+ .no_reconnect = 1,
+
+ .size_of_priv = sizeof(struct vp702x_device_state),
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .num_frontends = 1,
+ .fe = {{
+ .caps = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
+
+ .streaming_ctrl = vp702x_streaming_ctrl,
+ .frontend_attach = vp702x_frontend_attach,
+
+ /* parameter for the MPEG2-data transfer */
+ .stream = {
+ .type = USB_BULK,
+ .count = 10,
+ .endpoint = 0x02,
+ .u = {
+ .bulk = {
+ .buffersize = 4096,
+ }
+ }
+ },
+ }},
+ .size_of_priv = sizeof(struct vp702x_adapter_state),
+ }
+ },
+ .read_mac_address = vp702x_read_mac_addr,
+
+ .rc.legacy = {
+ .rc_map_table = rc_map_vp702x_table,
+ .rc_map_size = ARRAY_SIZE(rc_map_vp702x_table),
+ .rc_interval = 400,
+ .rc_query = vp702x_rc_query,
+ },
+
+ .num_device_descs = 1,
+ .devices = {
+ { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
+ .cold_ids = { &vp702x_usb_table[VISIONPLUS_VP7021_COLD], NULL },
+ .warm_ids = { NULL },
+ },
+/* { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
+ .cold_ids = { &vp702x_usb_table[VISIONPLUS_VP7020_COLD], NULL },
+ .warm_ids = { &vp702x_usb_table[VISIONPLUS_VP7020_WARM], NULL },
+ },
+*/ { NULL },
+ }
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver vp702x_usb_driver = {
+ .name = "dvb_usb_vp702x",
+ .probe = vp702x_usb_probe,
+ .disconnect = vp702x_usb_disconnect,
+ .id_table = vp702x_usb_table,
+};
+
+module_usb_driver(vp702x_usb_driver);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
+MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 05:37:14 +0000