xref: /openbmc/linux/drivers/media/usb/dvb-usb/az6027.c (revision e2942062)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /* DVB USB compliant Linux driver for the AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)
3  * receiver.
4  *
5  * Copyright (C) 2009 Adams.Xu <adams.xu@azwave.com.cn>
6  *
7  * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
8  */
9 #include "az6027.h"
10 
11 #include "stb0899_drv.h"
12 #include "stb0899_reg.h"
13 #include "stb0899_cfg.h"
14 
15 #include "stb6100.h"
16 #include "stb6100_cfg.h"
17 #include <media/dvb_ca_en50221.h>
18 
19 int dvb_usb_az6027_debug;
20 module_param_named(debug, dvb_usb_az6027_debug, int, 0644);
21 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
22 
23 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
24 
25 struct az6027_device_state {
26 	struct dvb_ca_en50221 ca;
27 	struct mutex ca_mutex;
28 	u8 power_state;
29 };
30 
31 static const struct stb0899_s1_reg az6027_stb0899_s1_init_1[] = {
32 
33 	/* 0x0000000b, SYSREG */
34 	{ STB0899_DEV_ID		, 0x30 },
35 	{ STB0899_DISCNTRL1		, 0x32 },
36 	{ STB0899_DISCNTRL2		, 0x80 },
37 	{ STB0899_DISRX_ST0		, 0x04 },
38 	{ STB0899_DISRX_ST1		, 0x00 },
39 	{ STB0899_DISPARITY		, 0x00 },
40 	{ STB0899_DISSTATUS		, 0x20 },
41 	{ STB0899_DISF22		, 0x99 },
42 	{ STB0899_DISF22RX		, 0xa8 },
43 	/* SYSREG ? */
44 	{ STB0899_ACRPRESC		, 0x11 },
45 	{ STB0899_ACRDIV1		, 0x0a },
46 	{ STB0899_ACRDIV2		, 0x05 },
47 	{ STB0899_DACR1			, 0x00 },
48 	{ STB0899_DACR2			, 0x00 },
49 	{ STB0899_OUTCFG		, 0x00 },
50 	{ STB0899_MODECFG		, 0x00 },
51 	{ STB0899_IRQSTATUS_3		, 0xfe },
52 	{ STB0899_IRQSTATUS_2		, 0x03 },
53 	{ STB0899_IRQSTATUS_1		, 0x7c },
54 	{ STB0899_IRQSTATUS_0		, 0xf4 },
55 	{ STB0899_IRQMSK_3		, 0xf3 },
56 	{ STB0899_IRQMSK_2		, 0xfc },
57 	{ STB0899_IRQMSK_1		, 0xff },
58 	{ STB0899_IRQMSK_0		, 0xff },
59 	{ STB0899_IRQCFG		, 0x00 },
60 	{ STB0899_I2CCFG		, 0x88 },
61 	{ STB0899_I2CRPT		, 0x58 },
62 	{ STB0899_IOPVALUE5		, 0x00 },
63 	{ STB0899_IOPVALUE4		, 0x33 },
64 	{ STB0899_IOPVALUE3		, 0x6d },
65 	{ STB0899_IOPVALUE2		, 0x90 },
66 	{ STB0899_IOPVALUE1		, 0x60 },
67 	{ STB0899_IOPVALUE0		, 0x00 },
68 	{ STB0899_GPIO00CFG		, 0x82 },
69 	{ STB0899_GPIO01CFG		, 0x82 },
70 	{ STB0899_GPIO02CFG		, 0x82 },
71 	{ STB0899_GPIO03CFG		, 0x82 },
72 	{ STB0899_GPIO04CFG		, 0x82 },
73 	{ STB0899_GPIO05CFG		, 0x82 },
74 	{ STB0899_GPIO06CFG		, 0x82 },
75 	{ STB0899_GPIO07CFG		, 0x82 },
76 	{ STB0899_GPIO08CFG		, 0x82 },
77 	{ STB0899_GPIO09CFG		, 0x82 },
78 	{ STB0899_GPIO10CFG		, 0x82 },
79 	{ STB0899_GPIO11CFG		, 0x82 },
80 	{ STB0899_GPIO12CFG		, 0x82 },
81 	{ STB0899_GPIO13CFG		, 0x82 },
82 	{ STB0899_GPIO14CFG		, 0x82 },
83 	{ STB0899_GPIO15CFG		, 0x82 },
84 	{ STB0899_GPIO16CFG		, 0x82 },
85 	{ STB0899_GPIO17CFG		, 0x82 },
86 	{ STB0899_GPIO18CFG		, 0x82 },
87 	{ STB0899_GPIO19CFG		, 0x82 },
88 	{ STB0899_GPIO20CFG		, 0x82 },
89 	{ STB0899_SDATCFG		, 0xb8 },
90 	{ STB0899_SCLTCFG		, 0xba },
91 	{ STB0899_AGCRFCFG		, 0x1c }, /* 0x11 */
92 	{ STB0899_GPIO22		, 0x82 }, /* AGCBB2CFG */
93 	{ STB0899_GPIO21		, 0x91 }, /* AGCBB1CFG */
94 	{ STB0899_DIRCLKCFG		, 0x82 },
95 	{ STB0899_CLKOUT27CFG		, 0x7e },
96 	{ STB0899_STDBYCFG		, 0x82 },
97 	{ STB0899_CS0CFG		, 0x82 },
98 	{ STB0899_CS1CFG		, 0x82 },
99 	{ STB0899_DISEQCOCFG		, 0x20 },
100 	{ STB0899_GPIO32CFG		, 0x82 },
101 	{ STB0899_GPIO33CFG		, 0x82 },
102 	{ STB0899_GPIO34CFG		, 0x82 },
103 	{ STB0899_GPIO35CFG		, 0x82 },
104 	{ STB0899_GPIO36CFG		, 0x82 },
105 	{ STB0899_GPIO37CFG		, 0x82 },
106 	{ STB0899_GPIO38CFG		, 0x82 },
107 	{ STB0899_GPIO39CFG		, 0x82 },
108 	{ STB0899_NCOARSE		, 0x17 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
109 	{ STB0899_SYNTCTRL		, 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
110 	{ STB0899_FILTCTRL		, 0x00 },
111 	{ STB0899_SYSCTRL		, 0x01 },
112 	{ STB0899_STOPCLK1		, 0x20 },
113 	{ STB0899_STOPCLK2		, 0x00 },
114 	{ STB0899_INTBUFSTATUS		, 0x00 },
115 	{ STB0899_INTBUFCTRL		, 0x0a },
116 	{ 0xffff			, 0xff },
117 };
118 
119 static const struct stb0899_s1_reg az6027_stb0899_s1_init_3[] = {
120 	{ STB0899_DEMOD			, 0x00 },
121 	{ STB0899_RCOMPC		, 0xc9 },
122 	{ STB0899_AGC1CN		, 0x01 },
123 	{ STB0899_AGC1REF		, 0x10 },
124 	{ STB0899_RTC			, 0x23 },
125 	{ STB0899_TMGCFG		, 0x4e },
126 	{ STB0899_AGC2REF		, 0x34 },
127 	{ STB0899_TLSR			, 0x84 },
128 	{ STB0899_CFD			, 0xf7 },
129 	{ STB0899_ACLC			, 0x87 },
130 	{ STB0899_BCLC			, 0x94 },
131 	{ STB0899_EQON			, 0x41 },
132 	{ STB0899_LDT			, 0xf1 },
133 	{ STB0899_LDT2			, 0xe3 },
134 	{ STB0899_EQUALREF		, 0xb4 },
135 	{ STB0899_TMGRAMP		, 0x10 },
136 	{ STB0899_TMGTHD		, 0x30 },
137 	{ STB0899_IDCCOMP		, 0xfd },
138 	{ STB0899_QDCCOMP		, 0xff },
139 	{ STB0899_POWERI		, 0x0c },
140 	{ STB0899_POWERQ		, 0x0f },
141 	{ STB0899_RCOMP			, 0x6c },
142 	{ STB0899_AGCIQIN		, 0x80 },
143 	{ STB0899_AGC2I1		, 0x06 },
144 	{ STB0899_AGC2I2		, 0x00 },
145 	{ STB0899_TLIR			, 0x30 },
146 	{ STB0899_RTF			, 0x7f },
147 	{ STB0899_DSTATUS		, 0x00 },
148 	{ STB0899_LDI			, 0xbc },
149 	{ STB0899_CFRM			, 0xea },
150 	{ STB0899_CFRL			, 0x31 },
151 	{ STB0899_NIRM			, 0x2b },
152 	{ STB0899_NIRL			, 0x80 },
153 	{ STB0899_ISYMB			, 0x1d },
154 	{ STB0899_QSYMB			, 0xa6 },
155 	{ STB0899_SFRH			, 0x2f },
156 	{ STB0899_SFRM			, 0x68 },
157 	{ STB0899_SFRL			, 0x40 },
158 	{ STB0899_SFRUPH		, 0x2f },
159 	{ STB0899_SFRUPM		, 0x68 },
160 	{ STB0899_SFRUPL		, 0x40 },
161 	{ STB0899_EQUAI1		, 0x02 },
162 	{ STB0899_EQUAQ1		, 0xff },
163 	{ STB0899_EQUAI2		, 0x04 },
164 	{ STB0899_EQUAQ2		, 0x05 },
165 	{ STB0899_EQUAI3		, 0x02 },
166 	{ STB0899_EQUAQ3		, 0xfd },
167 	{ STB0899_EQUAI4		, 0x03 },
168 	{ STB0899_EQUAQ4		, 0x07 },
169 	{ STB0899_EQUAI5		, 0x08 },
170 	{ STB0899_EQUAQ5		, 0xf5 },
171 	{ STB0899_DSTATUS2		, 0x00 },
172 	{ STB0899_VSTATUS		, 0x00 },
173 	{ STB0899_VERROR		, 0x86 },
174 	{ STB0899_IQSWAP		, 0x2a },
175 	{ STB0899_ECNT1M		, 0x00 },
176 	{ STB0899_ECNT1L		, 0x00 },
177 	{ STB0899_ECNT2M		, 0x00 },
178 	{ STB0899_ECNT2L		, 0x00 },
179 	{ STB0899_ECNT3M		, 0x0a },
180 	{ STB0899_ECNT3L		, 0xad },
181 	{ STB0899_FECAUTO1		, 0x06 },
182 	{ STB0899_FECM			, 0x01 },
183 	{ STB0899_VTH12			, 0xb0 },
184 	{ STB0899_VTH23			, 0x7a },
185 	{ STB0899_VTH34			, 0x58 },
186 	{ STB0899_VTH56			, 0x38 },
187 	{ STB0899_VTH67			, 0x34 },
188 	{ STB0899_VTH78			, 0x24 },
189 	{ STB0899_PRVIT			, 0xff },
190 	{ STB0899_VITSYNC		, 0x19 },
191 	{ STB0899_RSULC			, 0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
192 	{ STB0899_TSULC			, 0x42 },
193 	{ STB0899_RSLLC			, 0x41 },
194 	{ STB0899_TSLPL			, 0x12 },
195 	{ STB0899_TSCFGH		, 0x0c },
196 	{ STB0899_TSCFGM		, 0x00 },
197 	{ STB0899_TSCFGL		, 0x00 },
198 	{ STB0899_TSOUT			, 0x69 }, /* 0x0d for CAM */
199 	{ STB0899_RSSYNCDEL		, 0x00 },
200 	{ STB0899_TSINHDELH		, 0x02 },
201 	{ STB0899_TSINHDELM		, 0x00 },
202 	{ STB0899_TSINHDELL		, 0x00 },
203 	{ STB0899_TSLLSTKM		, 0x1b },
204 	{ STB0899_TSLLSTKL		, 0xb3 },
205 	{ STB0899_TSULSTKM		, 0x00 },
206 	{ STB0899_TSULSTKL		, 0x00 },
207 	{ STB0899_PCKLENUL		, 0xbc },
208 	{ STB0899_PCKLENLL		, 0xcc },
209 	{ STB0899_RSPCKLEN		, 0xbd },
210 	{ STB0899_TSSTATUS		, 0x90 },
211 	{ STB0899_ERRCTRL1		, 0xb6 },
212 	{ STB0899_ERRCTRL2		, 0x95 },
213 	{ STB0899_ERRCTRL3		, 0x8d },
214 	{ STB0899_DMONMSK1		, 0x27 },
215 	{ STB0899_DMONMSK0		, 0x03 },
216 	{ STB0899_DEMAPVIT		, 0x5c },
217 	{ STB0899_PLPARM		, 0x19 },
218 	{ STB0899_PDELCTRL		, 0x48 },
219 	{ STB0899_PDELCTRL2		, 0x00 },
220 	{ STB0899_BBHCTRL1		, 0x00 },
221 	{ STB0899_BBHCTRL2		, 0x00 },
222 	{ STB0899_HYSTTHRESH		, 0x77 },
223 	{ STB0899_MATCSTM		, 0x00 },
224 	{ STB0899_MATCSTL		, 0x00 },
225 	{ STB0899_UPLCSTM		, 0x00 },
226 	{ STB0899_UPLCSTL		, 0x00 },
227 	{ STB0899_DFLCSTM		, 0x00 },
228 	{ STB0899_DFLCSTL		, 0x00 },
229 	{ STB0899_SYNCCST		, 0x00 },
230 	{ STB0899_SYNCDCSTM		, 0x00 },
231 	{ STB0899_SYNCDCSTL		, 0x00 },
232 	{ STB0899_ISI_ENTRY		, 0x00 },
233 	{ STB0899_ISI_BIT_EN		, 0x00 },
234 	{ STB0899_MATSTRM		, 0xf0 },
235 	{ STB0899_MATSTRL		, 0x02 },
236 	{ STB0899_UPLSTRM		, 0x45 },
237 	{ STB0899_UPLSTRL		, 0x60 },
238 	{ STB0899_DFLSTRM		, 0xe3 },
239 	{ STB0899_DFLSTRL		, 0x00 },
240 	{ STB0899_SYNCSTR		, 0x47 },
241 	{ STB0899_SYNCDSTRM		, 0x05 },
242 	{ STB0899_SYNCDSTRL		, 0x18 },
243 	{ STB0899_CFGPDELSTATUS1	, 0x19 },
244 	{ STB0899_CFGPDELSTATUS2	, 0x2b },
245 	{ STB0899_BBFERRORM		, 0x00 },
246 	{ STB0899_BBFERRORL		, 0x01 },
247 	{ STB0899_UPKTERRORM		, 0x00 },
248 	{ STB0899_UPKTERRORL		, 0x00 },
249 	{ 0xffff			, 0xff },
250 };
251 
252 
253 
254 static struct stb0899_config az6027_stb0899_config = {
255 	.init_dev		= az6027_stb0899_s1_init_1,
256 	.init_s2_demod		= stb0899_s2_init_2,
257 	.init_s1_demod		= az6027_stb0899_s1_init_3,
258 	.init_s2_fec		= stb0899_s2_init_4,
259 	.init_tst		= stb0899_s1_init_5,
260 
261 	.demod_address		= 0xd0, /* 0x68, 0xd0 >> 1 */
262 
263 	.xtal_freq		= 27000000,
264 	.inversion		= IQ_SWAP_ON,
265 
266 	.lo_clk			= 76500000,
267 	.hi_clk			= 99000000,
268 
269 	.esno_ave		= STB0899_DVBS2_ESNO_AVE,
270 	.esno_quant		= STB0899_DVBS2_ESNO_QUANT,
271 	.avframes_coarse	= STB0899_DVBS2_AVFRAMES_COARSE,
272 	.avframes_fine		= STB0899_DVBS2_AVFRAMES_FINE,
273 	.miss_threshold		= STB0899_DVBS2_MISS_THRESHOLD,
274 	.uwp_threshold_acq	= STB0899_DVBS2_UWP_THRESHOLD_ACQ,
275 	.uwp_threshold_track	= STB0899_DVBS2_UWP_THRESHOLD_TRACK,
276 	.uwp_threshold_sof	= STB0899_DVBS2_UWP_THRESHOLD_SOF,
277 	.sof_search_timeout	= STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
278 
279 	.btr_nco_bits		= STB0899_DVBS2_BTR_NCO_BITS,
280 	.btr_gain_shift_offset	= STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
281 	.crl_nco_bits		= STB0899_DVBS2_CRL_NCO_BITS,
282 	.ldpc_max_iter		= STB0899_DVBS2_LDPC_MAX_ITER,
283 
284 	.tuner_get_frequency	= stb6100_get_frequency,
285 	.tuner_set_frequency	= stb6100_set_frequency,
286 	.tuner_set_bandwidth	= stb6100_set_bandwidth,
287 	.tuner_get_bandwidth	= stb6100_get_bandwidth,
288 	.tuner_set_rfsiggain	= NULL,
289 };
290 
291 static struct stb6100_config az6027_stb6100_config = {
292 	.tuner_address	= 0xc0,
293 	.refclock	= 27000000,
294 };
295 
296 
297 /* check for mutex FIXME */
298 static int az6027_usb_in_op(struct dvb_usb_device *d, u8 req,
299 			    u16 value, u16 index, u8 *b, int blen)
300 {
301 	int ret = -1;
302 	if (mutex_lock_interruptible(&d->usb_mutex))
303 		return -EAGAIN;
304 
305 	ret = usb_control_msg(d->udev,
306 			      usb_rcvctrlpipe(d->udev, 0),
307 			      req,
308 			      USB_TYPE_VENDOR | USB_DIR_IN,
309 			      value,
310 			      index,
311 			      b,
312 			      blen,
313 			      2000);
314 
315 	if (ret < 0) {
316 		warn("usb in operation failed. (%d)", ret);
317 		ret = -EIO;
318 	} else
319 		ret = 0;
320 
321 	deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
322 	debug_dump(b, blen, deb_xfer);
323 
324 	mutex_unlock(&d->usb_mutex);
325 	return ret;
326 }
327 
328 static int az6027_usb_out_op(struct dvb_usb_device *d,
329 			     u8 req,
330 			     u16 value,
331 			     u16 index,
332 			     u8 *b,
333 			     int blen)
334 {
335 	int ret;
336 
337 	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
338 	debug_dump(b, blen, deb_xfer);
339 
340 	if (mutex_lock_interruptible(&d->usb_mutex))
341 		return -EAGAIN;
342 
343 	ret = usb_control_msg(d->udev,
344 			      usb_sndctrlpipe(d->udev, 0),
345 			      req,
346 			      USB_TYPE_VENDOR | USB_DIR_OUT,
347 			      value,
348 			      index,
349 			      b,
350 			      blen,
351 			      2000);
352 
353 	if (ret != blen) {
354 		warn("usb out operation failed. (%d)", ret);
355 		mutex_unlock(&d->usb_mutex);
356 		return -EIO;
357 	} else{
358 		mutex_unlock(&d->usb_mutex);
359 		return 0;
360 	}
361 }
362 
363 static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
364 {
365 	int ret;
366 	u8 req;
367 	u16 value;
368 	u16 index;
369 	int blen;
370 
371 	deb_info("%s %d", __func__, onoff);
372 
373 	req = 0xBC;
374 	value = onoff;
375 	index = 0;
376 	blen = 0;
377 
378 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
379 	if (ret != 0)
380 		warn("usb out operation failed. (%d)", ret);
381 
382 	return ret;
383 }
384 
385 /* keys for the enclosed remote control */
386 static struct rc_map_table rc_map_az6027_table[] = {
387 	{ 0x01, KEY_1 },
388 	{ 0x02, KEY_2 },
389 };
390 
391 /* remote control stuff (does not work with my box) */
392 static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
393 {
394 	*state = REMOTE_NO_KEY_PRESSED;
395 	return 0;
396 }
397 
398 /*
399 int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
400 {
401 	u8 v = onoff;
402 	return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
403 }
404 */
405 
406 static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
407 					int slot,
408 					int address)
409 {
410 	struct dvb_usb_device *d = ca->data;
411 	struct az6027_device_state *state = d->priv;
412 
413 	int ret;
414 	u8 req;
415 	u16 value;
416 	u16 index;
417 	int blen;
418 	u8 *b;
419 
420 	if (slot != 0)
421 		return -EINVAL;
422 
423 	b = kmalloc(12, GFP_KERNEL);
424 	if (!b)
425 		return -ENOMEM;
426 
427 	mutex_lock(&state->ca_mutex);
428 
429 	req = 0xC1;
430 	value = address;
431 	index = 0;
432 	blen = 1;
433 
434 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
435 	if (ret < 0) {
436 		warn("usb in operation failed. (%d)", ret);
437 		ret = -EINVAL;
438 	} else {
439 		ret = b[0];
440 	}
441 
442 	mutex_unlock(&state->ca_mutex);
443 	kfree(b);
444 	return ret;
445 }
446 
447 static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
448 					 int slot,
449 					 int address,
450 					 u8 value)
451 {
452 	struct dvb_usb_device *d = ca->data;
453 	struct az6027_device_state *state = d->priv;
454 
455 	int ret;
456 	u8 req;
457 	u16 value1;
458 	u16 index;
459 	int blen;
460 
461 	deb_info("%s %d", __func__, slot);
462 	if (slot != 0)
463 		return -EINVAL;
464 
465 	mutex_lock(&state->ca_mutex);
466 	req = 0xC2;
467 	value1 = address;
468 	index = value;
469 	blen = 0;
470 
471 	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
472 	if (ret != 0)
473 		warn("usb out operation failed. (%d)", ret);
474 
475 	mutex_unlock(&state->ca_mutex);
476 	return ret;
477 }
478 
479 static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
480 				      int slot,
481 				      u8 address)
482 {
483 	struct dvb_usb_device *d = ca->data;
484 	struct az6027_device_state *state = d->priv;
485 
486 	int ret;
487 	u8 req;
488 	u16 value;
489 	u16 index;
490 	int blen;
491 	u8 *b;
492 
493 	if (slot != 0)
494 		return -EINVAL;
495 
496 	b = kmalloc(12, GFP_KERNEL);
497 	if (!b)
498 		return -ENOMEM;
499 
500 	mutex_lock(&state->ca_mutex);
501 
502 	req = 0xC3;
503 	value = address;
504 	index = 0;
505 	blen = 2;
506 
507 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
508 	if (ret < 0) {
509 		warn("usb in operation failed. (%d)", ret);
510 		ret = -EINVAL;
511 	} else {
512 		if (b[0] == 0)
513 			warn("Read CI IO error");
514 
515 		ret = b[1];
516 		deb_info("read cam data = %x from 0x%x", b[1], value);
517 	}
518 
519 	mutex_unlock(&state->ca_mutex);
520 	kfree(b);
521 	return ret;
522 }
523 
524 static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
525 				       int slot,
526 				       u8 address,
527 				       u8 value)
528 {
529 	struct dvb_usb_device *d = ca->data;
530 	struct az6027_device_state *state = d->priv;
531 
532 	int ret;
533 	u8 req;
534 	u16 value1;
535 	u16 index;
536 	int blen;
537 
538 	if (slot != 0)
539 		return -EINVAL;
540 
541 	mutex_lock(&state->ca_mutex);
542 	req = 0xC4;
543 	value1 = address;
544 	index = value;
545 	blen = 0;
546 
547 	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
548 	if (ret != 0) {
549 		warn("usb out operation failed. (%d)", ret);
550 		goto failed;
551 	}
552 
553 failed:
554 	mutex_unlock(&state->ca_mutex);
555 	return ret;
556 }
557 
558 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
559 {
560 	struct dvb_usb_device *d = ca->data;
561 
562 	int ret;
563 	u8 req;
564 	u16 value;
565 	u16 index;
566 	int blen;
567 	u8 *b;
568 
569 	b = kmalloc(12, GFP_KERNEL);
570 	if (!b)
571 		return -ENOMEM;
572 
573 	req = 0xC8;
574 	value = 0;
575 	index = 0;
576 	blen = 1;
577 
578 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
579 	if (ret < 0) {
580 		warn("usb in operation failed. (%d)", ret);
581 		ret = -EIO;
582 	} else{
583 		ret = b[0];
584 	}
585 	kfree(b);
586 	return ret;
587 }
588 
589 static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
590 {
591 	struct dvb_usb_device *d = ca->data;
592 	struct az6027_device_state *state = d->priv;
593 
594 	int ret, i;
595 	u8 req;
596 	u16 value;
597 	u16 index;
598 	int blen;
599 
600 	mutex_lock(&state->ca_mutex);
601 
602 	req = 0xC6;
603 	value = 1;
604 	index = 0;
605 	blen = 0;
606 
607 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
608 	if (ret != 0) {
609 		warn("usb out operation failed. (%d)", ret);
610 		goto failed;
611 	}
612 
613 	msleep(500);
614 	req = 0xC6;
615 	value = 0;
616 	index = 0;
617 	blen = 0;
618 
619 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
620 	if (ret != 0) {
621 		warn("usb out operation failed. (%d)", ret);
622 		goto failed;
623 	}
624 
625 	for (i = 0; i < 15; i++) {
626 		msleep(100);
627 
628 		if (CI_CamReady(ca, slot)) {
629 			deb_info("CAM Ready");
630 			break;
631 		}
632 	}
633 	msleep(5000);
634 
635 failed:
636 	mutex_unlock(&state->ca_mutex);
637 	return ret;
638 }
639 
640 static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
641 {
642 	return 0;
643 }
644 
645 static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
646 {
647 	struct dvb_usb_device *d = ca->data;
648 	struct az6027_device_state *state = d->priv;
649 
650 	int ret;
651 	u8 req;
652 	u16 value;
653 	u16 index;
654 	int blen;
655 
656 	deb_info("%s", __func__);
657 	mutex_lock(&state->ca_mutex);
658 	req = 0xC7;
659 	value = 1;
660 	index = 0;
661 	blen = 0;
662 
663 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
664 	if (ret != 0) {
665 		warn("usb out operation failed. (%d)", ret);
666 		goto failed;
667 	}
668 
669 failed:
670 	mutex_unlock(&state->ca_mutex);
671 	return ret;
672 }
673 
674 static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
675 {
676 	struct dvb_usb_device *d = ca->data;
677 	struct az6027_device_state *state = d->priv;
678 	int ret;
679 	u8 req;
680 	u16 value;
681 	u16 index;
682 	int blen;
683 	u8 *b;
684 
685 	b = kmalloc(12, GFP_KERNEL);
686 	if (!b)
687 		return -ENOMEM;
688 	mutex_lock(&state->ca_mutex);
689 
690 	req = 0xC5;
691 	value = 0;
692 	index = 0;
693 	blen = 1;
694 
695 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
696 	if (ret < 0) {
697 		warn("usb in operation failed. (%d)", ret);
698 		ret = -EIO;
699 	} else
700 		ret = 0;
701 
702 	if (!ret && b[0] == 1) {
703 		ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
704 		      DVB_CA_EN50221_POLL_CAM_READY;
705 	}
706 
707 	mutex_unlock(&state->ca_mutex);
708 	kfree(b);
709 	return ret;
710 }
711 
712 
713 static void az6027_ci_uninit(struct dvb_usb_device *d)
714 {
715 	struct az6027_device_state *state;
716 
717 	deb_info("%s", __func__);
718 
719 	if (NULL == d)
720 		return;
721 
722 	state = d->priv;
723 	if (NULL == state)
724 		return;
725 
726 	if (NULL == state->ca.data)
727 		return;
728 
729 	dvb_ca_en50221_release(&state->ca);
730 
731 	memset(&state->ca, 0, sizeof(state->ca));
732 }
733 
734 
735 static int az6027_ci_init(struct dvb_usb_adapter *a)
736 {
737 	struct dvb_usb_device *d = a->dev;
738 	struct az6027_device_state *state = d->priv;
739 	int ret;
740 
741 	deb_info("%s", __func__);
742 
743 	mutex_init(&state->ca_mutex);
744 
745 	state->ca.owner			= THIS_MODULE;
746 	state->ca.read_attribute_mem	= az6027_ci_read_attribute_mem;
747 	state->ca.write_attribute_mem	= az6027_ci_write_attribute_mem;
748 	state->ca.read_cam_control	= az6027_ci_read_cam_control;
749 	state->ca.write_cam_control	= az6027_ci_write_cam_control;
750 	state->ca.slot_reset		= az6027_ci_slot_reset;
751 	state->ca.slot_shutdown		= az6027_ci_slot_shutdown;
752 	state->ca.slot_ts_enable	= az6027_ci_slot_ts_enable;
753 	state->ca.poll_slot_status	= az6027_ci_poll_slot_status;
754 	state->ca.data			= d;
755 
756 	ret = dvb_ca_en50221_init(&a->dvb_adap,
757 				  &state->ca,
758 				  0, /* flags */
759 				  1);/* n_slots */
760 	if (ret != 0) {
761 		err("Cannot initialize CI: Error %d.", ret);
762 		memset(&state->ca, 0, sizeof(state->ca));
763 		return ret;
764 	}
765 
766 	deb_info("CI initialized.");
767 
768 	return 0;
769 }
770 
771 /*
772 static int az6027_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
773 {
774 	az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
775 	return 0;
776 }
777 */
778 
779 static int az6027_set_voltage(struct dvb_frontend *fe,
780 			      enum fe_sec_voltage voltage)
781 {
782 
783 	u8 buf;
784 	struct dvb_usb_adapter *adap = fe->dvb->priv;
785 
786 	struct i2c_msg i2c_msg = {
787 		.addr	= 0x99,
788 		.flags	= 0,
789 		.buf	= &buf,
790 		.len	= 1
791 	};
792 
793 	/*
794 	 * 2   --18v
795 	 * 1   --13v
796 	 * 0   --off
797 	 */
798 	switch (voltage) {
799 	case SEC_VOLTAGE_13:
800 		buf = 1;
801 		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
802 		break;
803 
804 	case SEC_VOLTAGE_18:
805 		buf = 2;
806 		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
807 		break;
808 
809 	case SEC_VOLTAGE_OFF:
810 		buf = 0;
811 		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
812 		break;
813 
814 	default:
815 		return -EINVAL;
816 	}
817 	return 0;
818 }
819 
820 
821 static int az6027_frontend_poweron(struct dvb_usb_adapter *adap)
822 {
823 	int ret;
824 	u8 req;
825 	u16 value;
826 	u16 index;
827 	int blen;
828 
829 	req = 0xBC;
830 	value = 1; /* power on */
831 	index = 3;
832 	blen = 0;
833 
834 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
835 	if (ret != 0)
836 		return -EIO;
837 
838 	return 0;
839 }
840 static int az6027_frontend_reset(struct dvb_usb_adapter *adap)
841 {
842 	int ret;
843 	u8 req;
844 	u16 value;
845 	u16 index;
846 	int blen;
847 
848 	/* reset demodulator */
849 	req = 0xC0;
850 	value = 1; /* high */
851 	index = 3;
852 	blen = 0;
853 
854 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
855 	if (ret != 0)
856 		return -EIO;
857 
858 	req = 0xC0;
859 	value = 0; /* low */
860 	index = 3;
861 	blen = 0;
862 	msleep_interruptible(200);
863 
864 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
865 	if (ret != 0)
866 		return -EIO;
867 
868 	msleep_interruptible(200);
869 
870 	req = 0xC0;
871 	value = 1; /*high */
872 	index = 3;
873 	blen = 0;
874 
875 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
876 	if (ret != 0)
877 		return -EIO;
878 
879 	msleep_interruptible(200);
880 	return 0;
881 }
882 
883 static int az6027_frontend_tsbypass(struct dvb_usb_adapter *adap, int onoff)
884 {
885 	int ret;
886 	u8 req;
887 	u16 value;
888 	u16 index;
889 	int blen;
890 
891 	/* TS passthrough */
892 	req = 0xC7;
893 	value = onoff;
894 	index = 0;
895 	blen = 0;
896 
897 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
898 	if (ret != 0)
899 		return -EIO;
900 
901 	return 0;
902 }
903 
904 static int az6027_frontend_attach(struct dvb_usb_adapter *adap)
905 {
906 
907 	az6027_frontend_poweron(adap);
908 	az6027_frontend_reset(adap);
909 
910 	deb_info("adap = %p, dev = %p\n", adap, adap->dev);
911 	adap->fe_adap[0].fe = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
912 
913 	if (adap->fe_adap[0].fe) {
914 		deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb0899_config.demod_address);
915 		if (stb6100_attach(adap->fe_adap[0].fe, &az6027_stb6100_config, &adap->dev->i2c_adap)) {
916 			deb_info("found STB6100 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb6100_config.tuner_address);
917 			adap->fe_adap[0].fe->ops.set_voltage = az6027_set_voltage;
918 			az6027_ci_init(adap);
919 		} else {
920 			adap->fe_adap[0].fe = NULL;
921 		}
922 	} else
923 		warn("no front-end attached\n");
924 
925 	az6027_frontend_tsbypass(adap, 0);
926 
927 	return 0;
928 }
929 
930 static struct dvb_usb_device_properties az6027_properties;
931 
932 static void az6027_usb_disconnect(struct usb_interface *intf)
933 {
934 	struct dvb_usb_device *d = usb_get_intfdata(intf);
935 	az6027_ci_uninit(d);
936 	dvb_usb_device_exit(intf);
937 }
938 
939 
940 static int az6027_usb_probe(struct usb_interface *intf,
941 			    const struct usb_device_id *id)
942 {
943 	return dvb_usb_device_init(intf,
944 				   &az6027_properties,
945 				   THIS_MODULE,
946 				   NULL,
947 				   adapter_nr);
948 }
949 
950 /* I2C */
951 static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
952 {
953 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
954 	int i = 0, j = 0, len = 0;
955 	u16 index;
956 	u16 value;
957 	int length;
958 	u8 req;
959 	u8 *data;
960 
961 	data = kmalloc(256, GFP_KERNEL);
962 	if (!data)
963 		return -ENOMEM;
964 
965 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0) {
966 		kfree(data);
967 		return -EAGAIN;
968 	}
969 
970 	if (num > 2)
971 		warn("more than 2 i2c messages at a time is not handled yet. TODO.");
972 
973 	for (i = 0; i < num; i++) {
974 
975 		if (msg[i].addr == 0x99) {
976 			req = 0xBE;
977 			index = 0;
978 			if (msg[i].len < 1) {
979 				i = -EOPNOTSUPP;
980 				break;
981 			}
982 			value = msg[i].buf[0] & 0x00ff;
983 			length = 1;
984 			az6027_usb_out_op(d, req, value, index, data, length);
985 		}
986 
987 		if (msg[i].addr == 0xd0) {
988 			/* write/read request */
989 			if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
990 				req = 0xB9;
991 				if (msg[i].len < 1) {
992 					i = -EOPNOTSUPP;
993 					break;
994 				}
995 				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
996 				value = msg[i].addr + (msg[i].len << 8);
997 				length = msg[i + 1].len + 6;
998 				az6027_usb_in_op(d, req, value, index, data, length);
999 				len = msg[i + 1].len;
1000 				for (j = 0; j < len; j++)
1001 					msg[i + 1].buf[j] = data[j + 5];
1002 
1003 				i++;
1004 			} else {
1005 
1006 				/* demod 16bit addr */
1007 				req = 0xBD;
1008 				if (msg[i].len < 1) {
1009 					i = -EOPNOTSUPP;
1010 					break;
1011 				}
1012 				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1013 				value = msg[i].addr + (2 << 8);
1014 				length = msg[i].len - 2;
1015 				len = msg[i].len - 2;
1016 				for (j = 0; j < len; j++)
1017 					data[j] = msg[i].buf[j + 2];
1018 				az6027_usb_out_op(d, req, value, index, data, length);
1019 			}
1020 		}
1021 
1022 		if (msg[i].addr == 0xc0) {
1023 			if (msg[i].flags & I2C_M_RD) {
1024 
1025 				req = 0xB9;
1026 				index = 0x0;
1027 				value = msg[i].addr;
1028 				length = msg[i].len + 6;
1029 				az6027_usb_in_op(d, req, value, index, data, length);
1030 				len = msg[i].len;
1031 				for (j = 0; j < len; j++)
1032 					msg[i].buf[j] = data[j + 5];
1033 
1034 			} else {
1035 
1036 				req = 0xBD;
1037 				if (msg[i].len < 1) {
1038 					i = -EOPNOTSUPP;
1039 					break;
1040 				}
1041 				index = msg[i].buf[0] & 0x00FF;
1042 				value = msg[i].addr + (1 << 8);
1043 				length = msg[i].len - 1;
1044 				len = msg[i].len - 1;
1045 
1046 				for (j = 0; j < len; j++)
1047 					data[j] = msg[i].buf[j + 1];
1048 
1049 				az6027_usb_out_op(d, req, value, index, data, length);
1050 			}
1051 		}
1052 	}
1053 	mutex_unlock(&d->i2c_mutex);
1054 	kfree(data);
1055 
1056 	return i;
1057 }
1058 
1059 
1060 static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1061 {
1062 	return I2C_FUNC_I2C;
1063 }
1064 
1065 static struct i2c_algorithm az6027_i2c_algo = {
1066 	.master_xfer   = az6027_i2c_xfer,
1067 	.functionality = az6027_i2c_func,
1068 };
1069 
1070 static int az6027_identify_state(struct usb_device *udev,
1071 				 const struct dvb_usb_device_properties *props,
1072 				 const struct dvb_usb_device_description **desc,
1073 				 int *cold)
1074 {
1075 	u8 *b;
1076 	s16 ret;
1077 
1078 	b = kmalloc(16, GFP_KERNEL);
1079 	if (!b)
1080 		return -ENOMEM;
1081 
1082 	ret = usb_control_msg(udev,
1083 				  usb_rcvctrlpipe(udev, 0),
1084 				  0xb7,
1085 				  USB_TYPE_VENDOR | USB_DIR_IN,
1086 				  6,
1087 				  0,
1088 				  b,
1089 				  6,
1090 				  USB_CTRL_GET_TIMEOUT);
1091 
1092 	*cold = ret <= 0;
1093 	kfree(b);
1094 	deb_info("cold: %d\n", *cold);
1095 	return 0;
1096 }
1097 
1098 
1099 enum {
1100 	AZUREWAVE_AZ6027,
1101 	TERRATEC_DVBS2CI_V1,
1102 	TERRATEC_DVBS2CI_V2,
1103 	TECHNISAT_USB2_HDCI_V1,
1104 	TECHNISAT_USB2_HDCI_V2,
1105 	ELGATO_EYETV_SAT,
1106 	ELGATO_EYETV_SAT_V2,
1107 	ELGATO_EYETV_SAT_V3,
1108 };
1109 
1110 static struct usb_device_id az6027_usb_table[] = {
1111 	DVB_USB_DEV(AZUREWAVE, AZUREWAVE_AZ6027),
1112 	DVB_USB_DEV(TERRATEC, TERRATEC_DVBS2CI_V1),
1113 	DVB_USB_DEV(TERRATEC, TERRATEC_DVBS2CI_V2),
1114 	DVB_USB_DEV(TECHNISAT, TECHNISAT_USB2_HDCI_V1),
1115 	DVB_USB_DEV(TECHNISAT, TECHNISAT_USB2_HDCI_V2),
1116 	DVB_USB_DEV(ELGATO, ELGATO_EYETV_SAT),
1117 	DVB_USB_DEV(ELGATO, ELGATO_EYETV_SAT_V2),
1118 	DVB_USB_DEV(ELGATO, ELGATO_EYETV_SAT_V3),
1119 	{ }
1120 };
1121 
1122 MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1123 
1124 static struct dvb_usb_device_properties az6027_properties = {
1125 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1126 	.usb_ctrl = CYPRESS_FX2,
1127 	.firmware            = "dvb-usb-az6027-03.fw",
1128 	.no_reconnect        = 1,
1129 
1130 	.size_of_priv     = sizeof(struct az6027_device_state),
1131 	.identify_state		= az6027_identify_state,
1132 	.num_adapters = 1,
1133 	.adapter = {
1134 		{
1135 		.num_frontends = 1,
1136 		.fe = {{
1137 			.streaming_ctrl   = az6027_streaming_ctrl,
1138 			.frontend_attach  = az6027_frontend_attach,
1139 
1140 			/* parameter for the MPEG2-data transfer */
1141 			.stream = {
1142 				.type = USB_BULK,
1143 				.count = 10,
1144 				.endpoint = 0x02,
1145 				.u = {
1146 					.bulk = {
1147 						.buffersize = 4096,
1148 					}
1149 				}
1150 			},
1151 		}},
1152 		}
1153 	},
1154 /*
1155 	.power_ctrl       = az6027_power_ctrl,
1156 	.read_mac_address = az6027_read_mac_addr,
1157  */
1158 	.rc.legacy = {
1159 		.rc_map_table     = rc_map_az6027_table,
1160 		.rc_map_size      = ARRAY_SIZE(rc_map_az6027_table),
1161 		.rc_interval      = 400,
1162 		.rc_query         = az6027_rc_query,
1163 	},
1164 
1165 	.i2c_algo         = &az6027_i2c_algo,
1166 
1167 	.num_device_descs = 8,
1168 	.devices = {
1169 		{
1170 			.name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1171 			.cold_ids = { &az6027_usb_table[AZUREWAVE_AZ6027], NULL },
1172 			.warm_ids = { NULL },
1173 		}, {
1174 			.name = "TERRATEC S7",
1175 			.cold_ids = { &az6027_usb_table[TERRATEC_DVBS2CI_V1], NULL },
1176 			.warm_ids = { NULL },
1177 		}, {
1178 			.name = "TERRATEC S7 MKII",
1179 			.cold_ids = { &az6027_usb_table[TERRATEC_DVBS2CI_V2], NULL },
1180 			.warm_ids = { NULL },
1181 		}, {
1182 			.name = "Technisat SkyStar USB 2 HD CI",
1183 			.cold_ids = { &az6027_usb_table[TECHNISAT_USB2_HDCI_V1], NULL },
1184 			.warm_ids = { NULL },
1185 		}, {
1186 			.name = "Technisat SkyStar USB 2 HD CI",
1187 			.cold_ids = { &az6027_usb_table[TECHNISAT_USB2_HDCI_V2], NULL },
1188 			.warm_ids = { NULL },
1189 		}, {
1190 			.name = "Elgato EyeTV Sat",
1191 			.cold_ids = { &az6027_usb_table[ELGATO_EYETV_SAT], NULL },
1192 			.warm_ids = { NULL },
1193 		}, {
1194 			.name = "Elgato EyeTV Sat",
1195 			.cold_ids = { &az6027_usb_table[ELGATO_EYETV_SAT_V2], NULL },
1196 			.warm_ids = { NULL },
1197 		}, {
1198 			.name = "Elgato EyeTV Sat",
1199 			.cold_ids = { &az6027_usb_table[ELGATO_EYETV_SAT_V3], NULL },
1200 			.warm_ids = { NULL },
1201 		},
1202 		{ NULL },
1203 	}
1204 };
1205 
1206 /* usb specific object needed to register this driver with the usb subsystem */
1207 static struct usb_driver az6027_usb_driver = {
1208 	.name		= "dvb_usb_az6027",
1209 	.probe		= az6027_usb_probe,
1210 	.disconnect	= az6027_usb_disconnect,
1211 	.id_table	= az6027_usb_table,
1212 };
1213 
1214 module_usb_driver(az6027_usb_driver);
1215 
1216 MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1217 MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1218 MODULE_VERSION("1.0");
1219 MODULE_LICENSE("GPL");
1220