Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 399 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c
new file mode 100644
index 0000000000..aff60c10cb
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/dibusb-common.c
@@ -0,0 +1,399 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Common methods for dibusb-based-receivers.
+ *
+ * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
+ *
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
+ */
+
+#include "dibusb.h"
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE  64
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
+MODULE_LICENSE("GPL");
+
+#define deb_info(args...) dprintk(debug,0x01,args)
+
+/* common stuff used by the different dibusb modules */
+int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	if (adap->priv != NULL) {
+		struct dibusb_state *st = adap->priv;
+		if (st->ops.fifo_ctrl != NULL)
+			if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
+				err("error while controlling the fifo of the demod.");
+				return -ENODEV;
+			}
+	}
+	return 0;
+}
+EXPORT_SYMBOL(dibusb_streaming_ctrl);
+
+int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
+{
+	if (adap->priv != NULL) {
+		struct dibusb_state *st = adap->priv;
+		if (st->ops.pid_ctrl != NULL)
+			st->ops.pid_ctrl(adap->fe_adap[0].fe,
+					 index, pid, onoff);
+	}
+	return 0;
+}
+EXPORT_SYMBOL(dibusb_pid_filter);
+
+int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	if (adap->priv != NULL) {
+		struct dibusb_state *st = adap->priv;
+		if (st->ops.pid_parse != NULL)
+			if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
+				err("could not handle pid_parser");
+	}
+	return 0;
+}
+EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
+
+int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	u8 *b;
+	int ret;
+
+	b = kmalloc(3, GFP_KERNEL);
+	if (!b)
+		return -ENOMEM;
+
+	b[0] = DIBUSB_REQ_SET_IOCTL;
+	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
+	b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
+
+	ret = dvb_usb_generic_write(d, b, 3);
+
+	kfree(b);
+
+	msleep(10);
+
+	return ret;
+}
+EXPORT_SYMBOL(dibusb_power_ctrl);
+
+int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	int ret;
+	u8 *b;
+
+	b = kmalloc(3, GFP_KERNEL);
+	if (!b)
+		return -ENOMEM;
+
+	if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
+		goto ret;
+
+	if (onoff) {
+		b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
+		b[1] = 0x00;
+		ret = dvb_usb_generic_write(adap->dev, b, 2);
+		if (ret  < 0)
+			goto ret;
+	}
+
+	b[0] = DIBUSB_REQ_SET_IOCTL;
+	b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
+	ret = dvb_usb_generic_write(adap->dev, b, 3);
+
+ret:
+	kfree(b);
+	return ret;
+}
+EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
+
+int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	u8 *b;
+	int ret;
+
+	if (!onoff)
+		return 0;
+
+	b = kmalloc(3, GFP_KERNEL);
+	if (!b)
+		return -ENOMEM;
+
+	b[0] = DIBUSB_REQ_SET_IOCTL;
+	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
+	b[2] = DIBUSB_IOCTL_POWER_WAKEUP;
+
+	ret = dvb_usb_generic_write(d, b, 3);
+
+	kfree(b);
+
+	return ret;
+}
+EXPORT_SYMBOL(dibusb2_0_power_ctrl);
+
+static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
+			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+	u8 *sndbuf;
+	int ret, wo, len;
+
+	/* write only ? */
+	wo = (rbuf == NULL || rlen == 0);
+
+	len = 2 + wlen + (wo ? 0 : 2);
+
+	sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL);
+	if (!sndbuf)
+		return -ENOMEM;
+
+	if (4 + wlen > MAX_XFER_SIZE) {
+		warn("i2c wr: len=%d is too big!\n", wlen);
+		ret = -EOPNOTSUPP;
+		goto ret;
+	}
+
+	sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
+	sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
+
+	memcpy(&sndbuf[2], wbuf, wlen);
+
+	if (!wo) {
+		sndbuf[wlen + 2] = (rlen >> 8) & 0xff;
+		sndbuf[wlen + 3] = rlen & 0xff;
+	}
+
+	ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0);
+
+ret:
+	kfree(sndbuf);
+	return ret;
+}
+
+/*
+ * I2C master xfer function
+ */
+static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int i;
+
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+
+	for (i = 0; i < num; i++) {
+		/* write/read request */
+		if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
+					  && (msg[i+1].flags & I2C_M_RD)) {
+			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
+						msg[i+1].buf,msg[i+1].len) < 0)
+				break;
+			i++;
+		} else if ((msg[i].flags & I2C_M_RD) == 0) {
+			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
+				break;
+		} else if (msg[i].addr != 0x50) {
+			/* 0x50 is the address of the eeprom - we need to protect it
+			 * from dibusb's bad i2c implementation: reads without
+			 * writing the offset before are forbidden */
+			if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
+				break;
+		}
+	}
+
+	mutex_unlock(&d->i2c_mutex);
+	return i;
+}
+
+static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+struct i2c_algorithm dibusb_i2c_algo = {
+	.master_xfer   = dibusb_i2c_xfer,
+	.functionality = dibusb_i2c_func,
+};
+EXPORT_SYMBOL(dibusb_i2c_algo);
+
+int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
+{
+	u8 *buf;
+	int rc;
+
+	buf = kzalloc(2, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	buf[0] = offs;
+
+	rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1);
+	*val = buf[1];
+	kfree(buf);
+
+	return rc;
+}
+EXPORT_SYMBOL(dibusb_read_eeprom_byte);
+
+/*
+ * common remote control stuff
+ */
+struct rc_map_table rc_map_dibusb_table[] = {
+	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
+	{ 0x0016, KEY_POWER },
+	{ 0x0010, KEY_MUTE },
+	{ 0x0003, KEY_1 },
+	{ 0x0001, KEY_2 },
+	{ 0x0006, KEY_3 },
+	{ 0x0009, KEY_4 },
+	{ 0x001d, KEY_5 },
+	{ 0x001f, KEY_6 },
+	{ 0x000d, KEY_7 },
+	{ 0x0019, KEY_8 },
+	{ 0x001b, KEY_9 },
+	{ 0x0015, KEY_0 },
+	{ 0x0005, KEY_CHANNELUP },
+	{ 0x0002, KEY_CHANNELDOWN },
+	{ 0x001e, KEY_VOLUMEUP },
+	{ 0x000a, KEY_VOLUMEDOWN },
+	{ 0x0011, KEY_RECORD },
+	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
+	{ 0x0014, KEY_PLAY },
+	{ 0x001a, KEY_STOP },
+	{ 0x0040, KEY_REWIND },
+	{ 0x0012, KEY_FASTFORWARD },
+	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
+	{ 0x004c, KEY_PAUSE },
+	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
+	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
+	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
+	{ 0x000c, KEY_CANCEL }, /* Cancel */
+	{ 0x001c, KEY_EPG }, /* EPG */
+	{ 0x0000, KEY_TAB }, /* Tab */
+	{ 0x0048, KEY_INFO }, /* Preview */
+	{ 0x0004, KEY_LIST }, /* RecordList */
+	{ 0x000f, KEY_TEXT }, /* Teletext */
+	/* Key codes for the KWorld/ADSTech/JetWay remote. */
+	{ 0x8612, KEY_POWER },
+	{ 0x860f, KEY_SELECT }, /* source */
+	{ 0x860c, KEY_UNKNOWN }, /* scan */
+	{ 0x860b, KEY_EPG },
+	{ 0x8610, KEY_MUTE },
+	{ 0x8601, KEY_1 },
+	{ 0x8602, KEY_2 },
+	{ 0x8603, KEY_3 },
+	{ 0x8604, KEY_4 },
+	{ 0x8605, KEY_5 },
+	{ 0x8606, KEY_6 },
+	{ 0x8607, KEY_7 },
+	{ 0x8608, KEY_8 },
+	{ 0x8609, KEY_9 },
+	{ 0x860a, KEY_0 },
+	{ 0x8618, KEY_ZOOM },
+	{ 0x861c, KEY_UNKNOWN }, /* preview */
+	{ 0x8613, KEY_UNKNOWN }, /* snap */
+	{ 0x8600, KEY_UNDO },
+	{ 0x861d, KEY_RECORD },
+	{ 0x860d, KEY_STOP },
+	{ 0x860e, KEY_PAUSE },
+	{ 0x8616, KEY_PLAY },
+	{ 0x8611, KEY_BACK },
+	{ 0x8619, KEY_FORWARD },
+	{ 0x8614, KEY_UNKNOWN }, /* pip */
+	{ 0x8615, KEY_ESC },
+	{ 0x861a, KEY_UP },
+	{ 0x861e, KEY_DOWN },
+	{ 0x861f, KEY_LEFT },
+	{ 0x861b, KEY_RIGHT },
+
+	/* Key codes for the DiBcom MOD3000 remote. */
+	{ 0x8000, KEY_MUTE },
+	{ 0x8001, KEY_TEXT },
+	{ 0x8002, KEY_HOME },
+	{ 0x8003, KEY_POWER },
+
+	{ 0x8004, KEY_RED },
+	{ 0x8005, KEY_GREEN },
+	{ 0x8006, KEY_YELLOW },
+	{ 0x8007, KEY_BLUE },
+
+	{ 0x8008, KEY_DVD },
+	{ 0x8009, KEY_AUDIO },
+	{ 0x800a, KEY_IMAGES },      /* Pictures */
+	{ 0x800b, KEY_VIDEO },
+
+	{ 0x800c, KEY_BACK },
+	{ 0x800d, KEY_UP },
+	{ 0x800e, KEY_RADIO },
+	{ 0x800f, KEY_EPG },
+
+	{ 0x8010, KEY_LEFT },
+	{ 0x8011, KEY_OK },
+	{ 0x8012, KEY_RIGHT },
+	{ 0x8013, KEY_UNKNOWN },    /* SAP */
+
+	{ 0x8014, KEY_TV },
+	{ 0x8015, KEY_DOWN },
+	{ 0x8016, KEY_MENU },       /* DVD Menu */
+	{ 0x8017, KEY_LAST },
+
+	{ 0x8018, KEY_RECORD },
+	{ 0x8019, KEY_STOP },
+	{ 0x801a, KEY_PAUSE },
+	{ 0x801b, KEY_PLAY },
+
+	{ 0x801c, KEY_PREVIOUS },
+	{ 0x801d, KEY_REWIND },
+	{ 0x801e, KEY_FASTFORWARD },
+	{ 0x801f, KEY_NEXT},
+
+	{ 0x8040, KEY_1 },
+	{ 0x8041, KEY_2 },
+	{ 0x8042, KEY_3 },
+	{ 0x8043, KEY_CHANNELUP },
+
+	{ 0x8044, KEY_4 },
+	{ 0x8045, KEY_5 },
+	{ 0x8046, KEY_6 },
+	{ 0x8047, KEY_CHANNELDOWN },
+
+	{ 0x8048, KEY_7 },
+	{ 0x8049, KEY_8 },
+	{ 0x804a, KEY_9 },
+	{ 0x804b, KEY_VOLUMEUP },
+
+	{ 0x804c, KEY_CLEAR },
+	{ 0x804d, KEY_0 },
+	{ 0x804e, KEY_ENTER },
+	{ 0x804f, KEY_VOLUMEDOWN },
+};
+EXPORT_SYMBOL(rc_map_dibusb_table);
+
+int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	u8 *buf;
+	int ret;
+
+	buf = kmalloc(5, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	buf[0] = DIBUSB_REQ_POLL_REMOTE;
+
+	ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0);
+	if (ret < 0)
+		goto ret;
+
+	dvb_usb_nec_rc_key_to_event(d, buf, event, state);
+
+	if (buf[0] != 0)
+		deb_info("key: %*ph\n", 5, buf);
+
+ret:
+	kfree(buf);
+
+	return ret;
+}
+EXPORT_SYMBOL(dibusb_rc_query);