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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/usb/dvb-usb/a800.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb/a800.c')
-rw-r--r--drivers/media/usb/dvb-usb/a800.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/a800.c b/drivers/media/usb/dvb-usb/a800.c
new file mode 100644
index 000000000..5f2947849
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/a800.c
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T
+ * USB2.0 (A800) DVB-T receiver.
+ *
+ * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.de)
+ *
+ * Thanks to
+ * - AVerMedia who kindly provided information and
+ * - Glen Harris who suffered from my mistakes during development.
+ *
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
+ */
+#include "dibusb.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+#define deb_rc(args...) dprintk(debug,0x01,args)
+
+static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ /* do nothing for the AVerMedia */
+ return 0;
+}
+
+/* assure to put cold to 0 for iManufacturer == 1 */
+static int a800_identify_state(struct usb_device *udev,
+ const struct dvb_usb_device_properties *props,
+ const struct dvb_usb_device_description **desc,
+ int *cold)
+{
+ *cold = udev->descriptor.iManufacturer != 1;
+ return 0;
+}
+
+static int a800_rc_query(struct dvb_usb_device *d)
+{
+ int ret = 0;
+ u8 *key = kmalloc(5, GFP_KERNEL);
+ if (!key)
+ return -ENOMEM;
+
+ if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
+ 0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
+ 2000) != 5) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ /* Note that extended nec and nec32 are dropped */
+ if (key[0] == 1)
+ rc_keydown(d->rc_dev, RC_PROTO_NEC,
+ RC_SCANCODE_NEC(key[1], key[3]), 0);
+ else if (key[0] == 2)
+ rc_repeat(d->rc_dev);
+out:
+ kfree(key);
+ return ret;
+}
+
+/* USB Driver stuff */
+static struct dvb_usb_device_properties a800_properties;
+
+static int a800_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return dvb_usb_device_init(intf, &a800_properties,
+ THIS_MODULE, NULL, adapter_nr);
+}
+
+/* do not change the order of the ID table */
+enum {
+ AVERMEDIA_DVBT_USB2_COLD,
+ AVERMEDIA_DVBT_USB2_WARM,
+};
+
+static struct usb_device_id a800_table[] = {
+ DVB_USB_DEV(AVERMEDIA, AVERMEDIA_DVBT_USB2_COLD),
+ DVB_USB_DEV(AVERMEDIA, AVERMEDIA_DVBT_USB2_WARM),
+ { }
+};
+
+MODULE_DEVICE_TABLE (usb, a800_table);
+
+static struct dvb_usb_device_properties a800_properties = {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+ .usb_ctrl = CYPRESS_FX2,
+ .firmware = "dvb-usb-avertv-a800-02.fw",
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .num_frontends = 1,
+ .fe = {{
+ .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+ .pid_filter_count = 32,
+ .streaming_ctrl = dibusb2_0_streaming_ctrl,
+ .pid_filter = dibusb_pid_filter,
+ .pid_filter_ctrl = dibusb_pid_filter_ctrl,
+
+ .frontend_attach = dibusb_dib3000mc_frontend_attach,
+ .tuner_attach = dibusb_dib3000mc_tuner_attach,
+
+ /* parameter for the MPEG2-data transfer */
+ .stream = {
+ .type = USB_BULK,
+ .count = 7,
+ .endpoint = 0x06,
+ .u = {
+ .bulk = {
+ .buffersize = 4096,
+ }
+ }
+ },
+ }},
+ .size_of_priv = sizeof(struct dibusb_state),
+ },
+ },
+
+ .power_ctrl = a800_power_ctrl,
+ .identify_state = a800_identify_state,
+
+ .rc.core = {
+ .rc_interval = DEFAULT_RC_INTERVAL,
+ .rc_codes = RC_MAP_AVERMEDIA_M135A,
+ .module_name = KBUILD_MODNAME,
+ .rc_query = a800_rc_query,
+ .allowed_protos = RC_PROTO_BIT_NEC,
+ },
+
+ .i2c_algo = &dibusb_i2c_algo,
+
+ .generic_bulk_ctrl_endpoint = 0x01,
+ .num_device_descs = 1,
+ .devices = {
+ { "AVerMedia AverTV DVB-T USB 2.0 (A800)",
+ { &a800_table[AVERMEDIA_DVBT_USB2_COLD], NULL },
+ { &a800_table[AVERMEDIA_DVBT_USB2_WARM], NULL },
+ },
+ }
+};
+
+static struct usb_driver a800_driver = {
+ .name = "dvb_usb_a800",
+ .probe = a800_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = a800_table,
+};
+
+module_usb_driver(a800_driver);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
+MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");