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, u16 index, void *data, int size)
46 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
47 request, USB_TYPE_VENDOR | USB_DIR_IN,
48 value, index, data, size, 2000);
58 static inline int m9206_write(struct usb_device *udev, u8 request, u16 value, u16 index)
62 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
63 request, USB_TYPE_VENDOR | USB_DIR_OUT,
64 value, index, NULL, 0, 2000);
68 static int m9206_rc_init(struct usb_device *udev)
72 /* Remote controller init. */
73 if ((ret = m9206_write(udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
76 if ((ret = m9206_write(udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
82 static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
84 struct m9206_state *m = d->priv;
89 if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
92 if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
95 for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++)
96 if (megasky_rc_keys[i].data == rc_state[1]) {
97 *event = megasky_rc_keys[i].event;
101 *state = REMOTE_NO_KEY_PRESSED;
107 *state = REMOTE_KEY_PRESSED;
112 if (++m->rep_count > 2)
113 *state = REMOTE_KEY_REPEAT;
117 deb_rc("Unexpected rc response %x\n", rc_state[0]);
118 *state = REMOTE_NO_KEY_PRESSED;
123 if (rc_state[1] != 0)
124 deb_rc("Unknown rc key %x\n", rc_state[1]);
126 *state = REMOTE_NO_KEY_PRESSED;
135 static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
137 struct dvb_usb_device *d = i2c_get_adapdata(adap);
141 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
147 for (i = 0; i < num; i++) {
150 if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].addr, 0x80)) != 0)
153 if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[0], 0x0)) != 0)
156 if (i + 1 < num && msg[i + 1].flags & I2C_M_RD) {
157 /* Possibly device dependant */
158 if (msg[i].addr == d->adapter[0].pll_addr)
163 if ((ret = m9206_write(d->udev, M9206_I2C, w_len, 0x80)) != 0)
166 if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x60, msg[i + 1].buf, msg[i + 1].len)) != 0)
174 if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[1], 0x40)) != 0)
180 mutex_unlock(&d->i2c_mutex);
185 static u32 m9206_i2c_func(struct i2c_adapter *adapter)
190 static struct i2c_algorithm m9206_i2c_algo = {
191 .master_xfer = m9206_i2c_xfer,
192 .functionality = m9206_i2c_func,
195 /* Callbacks for DVB USB */
196 static int megasky_identify_state(struct usb_device *udev,
197 struct dvb_usb_device_properties *props,
198 struct dvb_usb_device_description **desc,
201 struct usb_host_interface *alt;
203 alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
204 *cold = (alt == NULL) ? 1 : 0;
209 static int megasky_mt352_demod_init(struct dvb_frontend *fe)
211 u8 config[] = { CONFIG, 0x3d };
212 u8 clock[] = { CLOCK_CTL, 0x30 };
213 u8 reset[] = { RESET, 0x80 };
214 u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
215 u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
216 u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
217 u8 unk1[] = { 0x93, 0x1a };
218 u8 unk2[] = { 0xb5, 0x7a };
220 mt352_write(fe, config, ARRAY_SIZE(config));
221 mt352_write(fe, clock, ARRAY_SIZE(clock));
222 mt352_write(fe, reset, ARRAY_SIZE(reset));
223 mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
224 mt352_write(fe, agc, ARRAY_SIZE(agc));
225 mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
226 mt352_write(fe, unk1, ARRAY_SIZE(unk1));
227 mt352_write(fe, unk2, ARRAY_SIZE(unk2));
229 deb_rc("Demod init!\n");
234 static struct mt352_config megasky_mt352_config = {
235 .demod_address = 0x1e,
237 .demod_init = megasky_mt352_demod_init,
240 static int megasky_frontend_attach(struct dvb_usb_adapter *adap)
242 deb_rc("megasky_frontend_attach!\n");
244 if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) != NULL)
249 static int megasky_tuner_attach(struct dvb_usb_adapter *adap)
251 adap->pll_addr = 0xc4;
252 adap->pll_desc = NULL;
253 adap->fe->ops.tuner_ops.set_params = qt1010_set_params;
258 static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx, int pid)
267 if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
270 if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
276 static int m9206_update_filters(struct dvb_usb_adapter *adap)
278 struct m9206_state *m = adap->dev->priv;
279 int enabled = m->filtering_enabled;
280 int i, ret = 0, filter = 0;
282 for (i = 0; i < M9206_MAX_FILTERS; i++)
283 if (m->filters[i] == 8192)
286 /* Disable all filters */
287 if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
290 for (i = 0; i < M9206_MAX_FILTERS; i++)
291 if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
294 if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
299 for (i = 0; i < M9206_MAX_FILTERS; i++) {
300 if (m->filters[i] == 0)
303 if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
310 if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
316 static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
318 struct m9206_state *m = adap->dev->priv;
320 m->filtering_enabled = onoff ? 1 : 0;
322 return m9206_update_filters(adap);
325 static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
327 struct m9206_state *m = adap->dev->priv;
329 m->filters[index] = onoff ? pid : 0;
331 return m9206_update_filters(adap);
334 static int m9206_firmware_download(struct usb_device *udev, const struct firmware *fw)
336 u16 value, index, size;
338 int i, pass, ret = 0;
340 buff = kmalloc(65536, GFP_KERNEL);
342 if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
344 deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
346 if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
348 deb_rc("%x\n", read[0]);
350 for (pass = 0; pass < 2; pass++) {
351 for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
352 value = le16_to_cpu(*(u16 *)(fw->data + i));
355 index = le16_to_cpu(*(u16 *)(fw->data + i));
358 size = le16_to_cpu(*(u16 *)(fw->data + i));
362 /* Will stall if using fw->data ... */
363 memcpy(buff, fw->data + i, size);
365 ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
367 USB_TYPE_VENDOR | USB_DIR_OUT,
368 value, index, buff, size, 20);
370 deb_rc("error while uploading fw!\n");
386 /* m9206 will disconnect itself from the bus after this. */
387 (void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
388 deb_rc("firmware uploaded!\n");
396 /* DVB USB Driver stuff */
397 static struct dvb_usb_device_properties megasky_properties;
399 static int m920x_probe(struct usb_interface *intf, const struct usb_device_id *id)
401 struct dvb_usb_device *d;
402 struct usb_host_interface *alt;
405 if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) {
408 alt = usb_altnum_to_altsetting(intf, 1);
410 deb_rc("not alt found!\n");
414 ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber, alt->desc.bAlternateSetting);
418 deb_rc("Changed to alternate setting!\n");
420 if ((ret = m9206_rc_init(d->udev)) != 0)
426 static struct usb_device_id m920x_table [] = {
427 { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
428 { } /* Terminating entry */
430 MODULE_DEVICE_TABLE (usb, m920x_table);
432 static struct dvb_usb_device_properties megasky_properties = {
433 .usb_ctrl = DEVICE_SPECIFIC,
434 .firmware = "dvb-usb-megasky-02.fw",
435 .download_firmware = m9206_firmware_download,
438 .rc_key_map = megasky_rc_keys,
439 .rc_key_map_size = ARRAY_SIZE(megasky_rc_keys),
440 .rc_query = m9206_rc_query,
442 .size_of_priv = sizeof(struct m9206_state),
444 .identify_state = megasky_identify_state,
447 .caps = DVB_USB_IS_AN_I2C_ADAPTER | DVB_USB_ADAP_HAS_PID_FILTER |
448 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
450 .pid_filter_count = 8,
451 .pid_filter = m9206_pid_filter,
452 .pid_filter_ctrl = m9206_pid_filter_ctrl,
454 .frontend_attach = megasky_frontend_attach,
455 .tuner_attach = megasky_tuner_attach,
468 .i2c_algo = &m9206_i2c_algo,
470 .num_device_descs = 1,
472 { "MSI Mega Sky 580 DVB-T USB2.0",
473 { &m920x_table[0], NULL },
480 static struct usb_driver m920x_driver = {
481 .name = "dvb_usb_m920x",
482 .probe = m920x_probe,
483 .disconnect = dvb_usb_device_exit,
484 .id_table = m920x_table,
488 static int __init m920x_module_init(void)
492 if ((ret = usb_register(&m920x_driver))) {
493 err("usb_register failed. Error number %d", ret);
500 static void __exit m920x_module_exit(void)
502 /* deregister this driver from the USB subsystem */
503 usb_deregister(&m920x_driver);
506 module_init (m920x_module_init);
507 module_exit (m920x_module_exit);
509 MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
510 MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
511 MODULE_VERSION("0.1");
512 MODULE_LICENSE("GPL");