1 /* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver
3 * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org)
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation, version 2.
9 * see Documentation/dvb/README.dvb-usb for more information
15 #include "mt352_priv.h"
19 static int dvb_usb_m920x_debug;
20 module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
21 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
23 static struct dvb_usb_rc_key megasky_rc_keys [] = {
24 { 0x0, 0x12, KEY_POWER },
25 { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
26 { 0x0, 0x02, KEY_CHANNELUP },
27 { 0x0, 0x05, KEY_CHANNELDOWN },
28 { 0x0, 0x03, KEY_VOLUMEUP },
29 { 0x0, 0x06, KEY_VOLUMEDOWN },
30 { 0x0, 0x04, KEY_MUTE },
31 { 0x0, 0x07, KEY_OK }, /* TS */
32 { 0x0, 0x08, KEY_STOP },
33 { 0x0, 0x09, KEY_MENU }, /* swap */
34 { 0x0, 0x0a, KEY_REWIND },
35 { 0x0, 0x1b, KEY_PAUSE },
36 { 0x0, 0x1f, KEY_FASTFORWARD },
37 { 0x0, 0x0c, KEY_RECORD },
38 { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
39 { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
42 static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
43 u16 index, void *data, int size)
47 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
48 request, USB_TYPE_VENDOR | USB_DIR_IN,
49 value, index, data, size, 2000);
59 static inline int m9206_write(struct usb_device *udev, u8 request,
64 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
65 request, USB_TYPE_VENDOR | USB_DIR_OUT,
66 value, index, NULL, 0, 2000);
70 static int m9206_init(struct dvb_usb_device *d)
74 /* Remote controller init. */
75 if (d->props.rc_query) {
76 if ((ret = m9206_write(d->udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
79 if ((ret = m9206_write(d->udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
86 static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
88 struct m9206_state *m = d->priv;
92 if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
95 if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
98 for (i = 0; i < d->props.rc_key_map_size; i++)
99 if (d->props.rc_key_map[i].data == rc_state[1]) {
100 *event = d->props.rc_key_map[i].event;
102 switch(rc_state[0]) {
104 *state = REMOTE_NO_KEY_PRESSED;
110 *state = REMOTE_KEY_PRESSED;
115 if (++m->rep_count > 2)
116 *state = REMOTE_KEY_REPEAT;
120 deb_rc("Unexpected rc response %x\n", rc_state[0]);
121 *state = REMOTE_NO_KEY_PRESSED;
126 if (rc_state[1] != 0)
127 deb_rc("Unknown rc key %x\n", rc_state[1]);
129 *state = REMOTE_NO_KEY_PRESSED;
137 static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
140 struct dvb_usb_device *d = i2c_get_adapdata(adap);
147 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
150 for (i = 0; i < num; i++) {
151 if (msg[i].flags & (I2C_M_NO_RD_ACK|I2C_M_IGNORE_NAK|I2C_M_TEN) ||
153 /* For a 0 byte message, I think sending the address to index 0x80|0x40
154 * would be the correct thing to do. However, zero byte messages are
155 * only used for probing, and since we don't know how to get the slave's
156 * ack, we can't probe. */
160 /* Send START & address/RW bit */
161 if (!(msg[i].flags & I2C_M_NOSTART)) {
162 if ((ret = m9206_write(d->udev, M9206_I2C, (msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0), 0x80)) != 0)
164 /* Should check for ack here, if we knew how. */
166 if (msg[i].flags & I2C_M_RD) {
167 for (j = 0; j < msg[i].len; j++) {
168 /* Last byte of transaction? Send STOP, otherwise send ACK. */
169 int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x01;
170 if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x20|stop, &msg[i].buf[j], 1)) != 0)
174 for (j = 0; j < msg[i].len; j++) {
175 /* Last byte of transaction? Then send STOP. */
176 int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x00;
177 if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0)
179 /* Should check for ack here too. */
186 mutex_unlock(&d->i2c_mutex);
191 static u32 m9206_i2c_func(struct i2c_adapter *adapter)
196 static struct i2c_algorithm m9206_i2c_algo = {
197 .master_xfer = m9206_i2c_xfer,
198 .functionality = m9206_i2c_func,
202 static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
212 if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
215 if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
221 static int m9206_update_filters(struct dvb_usb_adapter *adap)
223 struct m9206_state *m = adap->dev->priv;
224 int enabled = m->filtering_enabled;
225 int i, ret = 0, filter = 0;
227 for (i = 0; i < M9206_MAX_FILTERS; i++)
228 if (m->filters[i] == 8192)
231 /* Disable all filters */
232 if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
235 for (i = 0; i < M9206_MAX_FILTERS; i++)
236 if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
239 if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
244 for (i = 0; i < M9206_MAX_FILTERS; i++) {
245 if (m->filters[i] == 0)
248 if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
255 if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
261 static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
263 struct m9206_state *m = adap->dev->priv;
265 m->filtering_enabled = onoff ? 1 : 0;
267 return m9206_update_filters(adap);
270 static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
273 struct m9206_state *m = adap->dev->priv;
275 m->filters[index] = onoff ? pid : 0;
277 return m9206_update_filters(adap);
280 static int m9206_firmware_download(struct usb_device *udev,
281 const struct firmware *fw)
283 u16 value, index, size;
285 int i, pass, ret = 0;
287 buff = kmalloc(65536, GFP_KERNEL);
289 if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
291 deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
293 if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
295 deb_rc("%x\n", read[0]);
297 for (pass = 0; pass < 2; pass++) {
298 for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
299 value = le16_to_cpu(*(u16 *)(fw->data + i));
302 index = le16_to_cpu(*(u16 *)(fw->data + i));
305 size = le16_to_cpu(*(u16 *)(fw->data + i));
309 /* Will stall if using fw->data ... */
310 memcpy(buff, fw->data + i, size);
312 ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
314 USB_TYPE_VENDOR | USB_DIR_OUT,
315 value, index, buff, size, 20);
317 deb_rc("error while uploading fw!\n");
333 /* m9206 will disconnect itself from the bus after this. */
334 (void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
335 deb_rc("firmware uploaded!\n");
343 /* Callbacks for DVB USB */
344 static int m920x_identify_state(struct usb_device *udev,
345 struct dvb_usb_device_properties *props,
346 struct dvb_usb_device_description **desc,
349 struct usb_host_interface *alt;
351 alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
352 *cold = (alt == NULL) ? 1 : 0;
357 static int megasky_mt352_demod_init(struct dvb_frontend *fe)
359 u8 config[] = { CONFIG, 0x3d };
360 u8 clock[] = { CLOCK_CTL, 0x30 };
361 u8 reset[] = { RESET, 0x80 };
362 u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
363 u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
364 u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
365 u8 unk1[] = { 0x93, 0x1a };
366 u8 unk2[] = { 0xb5, 0x7a };
368 mt352_write(fe, config, ARRAY_SIZE(config));
369 mt352_write(fe, clock, ARRAY_SIZE(clock));
370 mt352_write(fe, reset, ARRAY_SIZE(reset));
371 mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
372 mt352_write(fe, agc, ARRAY_SIZE(agc));
373 mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
374 mt352_write(fe, unk1, ARRAY_SIZE(unk1));
375 mt352_write(fe, unk2, ARRAY_SIZE(unk2));
377 deb_rc("Demod init!\n");
382 static struct mt352_config megasky_mt352_config = {
383 .demod_address = 0x0f,
385 .demod_init = megasky_mt352_demod_init,
388 static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap)
390 deb_rc("megasky_frontend_attach!\n");
392 if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL)
398 static struct qt1010_config megasky_qt1010_config = {
402 static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
404 if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap,
405 &megasky_qt1010_config) == NULL)
411 /* DVB USB Driver stuff */
412 static struct dvb_usb_device_properties megasky_properties;
414 static int m920x_probe(struct usb_interface *intf,
415 const struct usb_device_id *id)
417 struct dvb_usb_device *d;
418 struct usb_host_interface *alt;
423 if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0)
429 alt = usb_altnum_to_altsetting(intf, 1);
431 deb_rc("No alt found!\n");
435 ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
436 alt->desc.bAlternateSetting);
440 if ((ret = m9206_init(d)) != 0)
446 static struct usb_device_id m920x_table [] = {
447 { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
448 { } /* Terminating entry */
450 MODULE_DEVICE_TABLE (usb, m920x_table);
452 static struct dvb_usb_device_properties megasky_properties = {
453 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
455 .usb_ctrl = DEVICE_SPECIFIC,
456 .firmware = "dvb-usb-megasky-02.fw",
457 .download_firmware = m9206_firmware_download,
460 .rc_key_map = megasky_rc_keys,
461 .rc_key_map_size = ARRAY_SIZE(megasky_rc_keys),
462 .rc_query = m9206_rc_query,
464 .size_of_priv = sizeof(struct m9206_state),
466 .identify_state = m920x_identify_state,
469 .caps = DVB_USB_ADAP_HAS_PID_FILTER |
470 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
472 .pid_filter_count = 8,
473 .pid_filter = m9206_pid_filter,
474 .pid_filter_ctrl = m9206_pid_filter_ctrl,
476 .frontend_attach = megasky_mt352_frontend_attach,
477 .tuner_attach = megasky_qt1010_tuner_attach,
490 .i2c_algo = &m9206_i2c_algo,
492 .num_device_descs = 1,
494 { "MSI Mega Sky 580 DVB-T USB2.0",
495 { &m920x_table[0], NULL },
501 static struct usb_driver m920x_driver = {
502 .name = "dvb_usb_m920x",
503 .probe = m920x_probe,
504 .disconnect = dvb_usb_device_exit,
505 .id_table = m920x_table,
509 static int __init m920x_module_init(void)
513 if ((ret = usb_register(&m920x_driver))) {
514 err("usb_register failed. Error number %d", ret);
521 static void __exit m920x_module_exit(void)
523 /* deregister this driver from the USB subsystem */
524 usb_deregister(&m920x_driver);
527 module_init (m920x_module_init);
528 module_exit (m920x_module_exit);
530 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
531 MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
532 MODULE_VERSION("0.1");
533 MODULE_LICENSE("GPL");