1 // SPDX-License-Identifier: GPL-2.0-only
2 /* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver
6  * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
19 #include "tuner-simple.h"
25 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
46 		return -EIO;  in m920x_read()
65 		ret = m920x_write(udev, request, seq->data, seq->address);  in m920x_write_seq()
70 	} while (seq->address);  in m920x_write_seq()
81 	if (d->props.rc.legacy.rc_query || d->props.rc.core.rc_query) {  in m920x_init()
83 		ret = m920x_write_seq(d->udev, M9206_CORE, rc_seq);  in m920x_init()
92 	for (i = 0; i < d->props.num_adapters; i++)  in m920x_init()
93 		flags |= d->adapter[i].props.fe[0].caps;  in m920x_init()
95 	/* Some devices(Dposh) might crash if we attempt touch at all. */  in m920x_init()
97 		for (i = 0; i < d->props.num_adapters; i++) {  in m920x_init()
98 			epi = d->adapter[i].props.fe[0].stream.endpoint - 0x81;  in m920x_init()
102 				return -EINVAL;  in m920x_init()
126 	struct usb_host_interface *alt;  in m920x_init_ep()  local
128 	if ((alt = usb_altnum_to_altsetting(intf, 1)) == NULL) {  in m920x_init_ep()
129 		deb("No alt found!\n");  in m920x_init_ep()
130 		return -ENODEV;  in m920x_init_ep()
133 	return usb_set_interface(udev, alt->desc.bInterfaceNumber,  in m920x_init_ep()
134 				 alt->desc.bAlternateSetting);  in m920x_init_ep()
140 	struct m920x_state *m = d->priv;  in m920x_parse_rc_state()
152 		m->rep_count = 0;  in m920x_parse_rc_state()
159 		m->rep_count = 0;  in m920x_parse_rc_state()
165 		/* prevent immediate auto-repeat */  in m920x_parse_rc_state()
166 		if (++m->rep_count > 2)  in m920x_parse_rc_state()
179 static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)  in m920x_rc_query()  argument
186 		return -ENOMEM;  in m920x_rc_query()
188 	ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE,  in m920x_rc_query()
193 	ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY,  in m920x_rc_query()
200 	for (i = 0; i < d->props.rc.legacy.rc_map_size; i++)  in m920x_rc_query()
201 		if (rc5_data(&d->props.rc.legacy.rc_map_table[i]) == rc_state[1]) {  in m920x_rc_query()
202 			*event = d->props.rc.legacy.rc_map_table[i].keycode;  in m920x_rc_query()
224 		return -ENOMEM;  in m920x_rc_core_query()
226 	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, &rc_state[0], 1)) != 0)  in m920x_rc_core_query()
229 	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, &rc_state[1], 1)) != 0)  in m920x_rc_core_query()
237 		rc_keyup(d->rc_dev);  in m920x_rc_core_query()
239 		rc_repeat(d->rc_dev);  in m920x_rc_core_query()
241 		rc_keydown(d->rc_dev, RC_PROTO_UNKNOWN, rc_state[1], 0);  in m920x_rc_core_query()
255 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)  in m920x_i2c_xfer()
256 		return -EAGAIN;  in m920x_i2c_xfer()
265 			ret = -ENOTSUPP;  in m920x_i2c_xfer()
270 			if ((ret = m920x_write(d->udev, M9206_I2C,  in m920x_i2c_xfer()
282 				if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,  in m920x_i2c_xfer()
292 				if ((ret = m920x_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)  in m920x_i2c_xfer()
301 	mutex_unlock(&d->i2c_mutex);  in m920x_i2c_xfer()
322 		return -EINVAL;  in m920x_set_filter()
326 	if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)  in m920x_set_filter()
329 	if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)  in m920x_set_filter()
337 	struct m920x_state *m = adap->dev->priv;  in m920x_update_filters()
338 	int enabled = m->filtering_enabled[adap->id];  in m920x_update_filters()
340 	int ep = adap->props.fe[0].stream.endpoint;  in m920x_update_filters()
343 		if (m->filters[adap->id][i] == 8192)  in m920x_update_filters()
347 	if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)  in m920x_update_filters()
351 		if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)  in m920x_update_filters()
357 			if (m->filters[adap->id][i] == 0)  in m920x_update_filters()
360 			if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)  in m920x_update_filters()
372 	struct m920x_state *m = adap->dev->priv;  in m920x_pid_filter_ctrl()
374 	m->filtering_enabled[adap->id] = onoff ? 1 : 0;  in m920x_pid_filter_ctrl()
381 	struct m920x_state *m = adap->dev->priv;  in m920x_pid_filter()
383 	m->filters[adap->id][index] = onoff ? pid : 0;  in m920x_pid_filter()
396 		return -ENOMEM;  in m920x_firmware_download()
401 		return -ENOMEM;  in m920x_firmware_download()
413 		for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {  in m920x_firmware_download()
414 			value = get_unaligned_le16(fw->data + i);  in m920x_firmware_download()
417 			index = get_unaligned_le16(fw->data + i);  in m920x_firmware_download()
420 			size = get_unaligned_le16(fw->data + i);  in m920x_firmware_download()
424 				/* Will stall if using fw->data ... */  in m920x_firmware_download()
425 				memcpy(buff, fw->data + i, size);  in m920x_firmware_download()
433 					ret = -EIO;  in m920x_firmware_download()
440 		if (i != fw->size) {  in m920x_firmware_download()
442 			ret = -EINVAL;  in m920x_firmware_download()
466 	struct usb_host_interface *alt;  in m920x_identify_state()  local
468 	alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);  in m920x_identify_state()
469 	*cold = (alt == NULL) ? 1 : 0;  in m920x_identify_state()
555 	adap->fe_adap[0].fe = dvb_attach(mt352_attach,  in m920x_mt352_frontend_attach()
557 					 &adap->dev->i2c_adap);  in m920x_mt352_frontend_attach()
558 	if ((adap->fe_adap[0].fe) == NULL)  in m920x_mt352_frontend_attach()
559 		return -EIO;  in m920x_mt352_frontend_attach()
586 	ret = m920x_write_seq(adap->dev->udev, M9206_CORE, vp7049_fe_init_seq);  in m920x_mt352_frontend_attach_vp7049()
599 	adap->fe_adap[0].fe = dvb_attach(tda10046_attach,  in m920x_tda10046_08_frontend_attach()
601 					 &adap->dev->i2c_adap);  in m920x_tda10046_08_frontend_attach()
602 	if ((adap->fe_adap[0].fe) == NULL)  in m920x_tda10046_08_frontend_attach()
603 		return -EIO;  in m920x_tda10046_08_frontend_attach()
612 	adap->fe_adap[0].fe = dvb_attach(tda10046_attach,  in m920x_tda10046_0b_frontend_attach()
614 					 &adap->dev->i2c_adap);  in m920x_tda10046_0b_frontend_attach()
615 	if ((adap->fe_adap[0].fe) == NULL)  in m920x_tda10046_0b_frontend_attach()
616 		return -EIO;  in m920x_tda10046_0b_frontend_attach()
625 …if (dvb_attach(qt1010_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, &m920x_qt1010_config) == …  in m920x_qt1010_tuner_attach()
626 		return -ENODEV;  in m920x_qt1010_tuner_attach()
635 	if (dvb_attach(tda827x_attach, adap->fe_adap[0].fe, 0x60, &adap->dev->i2c_adap, NULL) == NULL)  in m920x_tda8275_60_tuner_attach()
636 		return -ENODEV;  in m920x_tda8275_60_tuner_attach()
645 	if (dvb_attach(tda827x_attach, adap->fe_adap[0].fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL)  in m920x_tda8275_61_tuner_attach()
646 		return -ENODEV;  in m920x_tda8275_61_tuner_attach()
653 	dvb_attach(simple_tuner_attach, adap->fe_adap[0].fe,  in m920x_fmd1216me_tuner_attach()
654 		   &adap->dev->i2c_adap, 0x61,  in m920x_fmd1216me_tuner_attach()
663 	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap,  in m920x_mt2060_tuner_attach()
665 		return -ENODEV;  in m920x_mt2060_tuner_attach()
671 /* device-specific initialization */
818 	int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;  in m920x_probe()
823 		/* Single-tuner device, or first interface on  in m920x_probe()
824 		 * multi-tuner device  in m920x_probe()
872 		/* Another interface on a multi-tuner device */  in m920x_probe()
910 	.firmware = "dvb-usb-megasky-02.fw",
954 		{   "MSI Mega Sky 580 DVB-T USB2.0",
965 	.firmware = "dvb-usb-digivox-02.fw",
1002 		{   "MSI DIGI VOX mini II DVB-T USB2.0",
1009 /* LifeView TV Walker Twin support by Nick Andrew <nick@nick-andrew.net>
1021 	.firmware = "dvb-usb-tvwalkert.fw",
1089 		{   .name = "LifeView TV Walker Twin DVB-T USB2.0",
1100 	.firmware = "dvb-usb-dposh-01.fw",
1131 		 {   .name = "Dposh DVB-T USB2.0",
1198 	.firmware = "dvb-usb-vp7049-0.95.fw",
1242 		{   "DTV-DVB UDTT7049",