xref: /openbmc/linux/drivers/media/usb/dvb-usb/az6027.c (revision 05bcf503)
1 /* DVB USB compliant Linux driver for the AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)
2  * receiver.
3  *
4  * Copyright (C) 2009 Adams.Xu <adams.xu@azwave.com.cn>
5  *
6  *	This program is free software; you can redistribute it and/or modify it
7  *	under the terms of the GNU General Public License as published by the Free
8  *	Software Foundation, version 2.
9  *
10  * see Documentation/dvb/README.dvb-usb for more information
11  */
12 #include "az6027.h"
13 
14 #include "stb0899_drv.h"
15 #include "stb0899_reg.h"
16 #include "stb0899_cfg.h"
17 
18 #include "stb6100.h"
19 #include "stb6100_cfg.h"
20 #include "dvb_ca_en50221.h"
21 
22 int dvb_usb_az6027_debug;
23 module_param_named(debug, dvb_usb_az6027_debug, int, 0644);
24 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
25 
26 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
27 
28 struct az6027_device_state {
29 	struct dvb_ca_en50221 ca;
30 	struct mutex ca_mutex;
31 	u8 power_state;
32 };
33 
34 static const struct stb0899_s1_reg az6027_stb0899_s1_init_1[] = {
35 
36 	/* 0x0000000b, SYSREG */
37 	{ STB0899_DEV_ID		, 0x30 },
38 	{ STB0899_DISCNTRL1		, 0x32 },
39 	{ STB0899_DISCNTRL2     	, 0x80 },
40 	{ STB0899_DISRX_ST0     	, 0x04 },
41 	{ STB0899_DISRX_ST1     	, 0x00 },
42 	{ STB0899_DISPARITY     	, 0x00 },
43 	{ STB0899_DISSTATUS		, 0x20 },
44 	{ STB0899_DISF22        	, 0x99 },
45 	{ STB0899_DISF22RX      	, 0xa8 },
46 	/* SYSREG ? */
47 	{ STB0899_ACRPRESC      	, 0x11 },
48 	{ STB0899_ACRDIV1       	, 0x0a },
49 	{ STB0899_ACRDIV2       	, 0x05 },
50 	{ STB0899_DACR1         	, 0x00 },
51 	{ STB0899_DACR2         	, 0x00 },
52 	{ STB0899_OUTCFG        	, 0x00 },
53 	{ STB0899_MODECFG       	, 0x00 },
54 	{ STB0899_IRQSTATUS_3		, 0xfe },
55 	{ STB0899_IRQSTATUS_2		, 0x03 },
56 	{ STB0899_IRQSTATUS_1		, 0x7c },
57 	{ STB0899_IRQSTATUS_0		, 0xf4 },
58 	{ STB0899_IRQMSK_3      	, 0xf3 },
59 	{ STB0899_IRQMSK_2      	, 0xfc },
60 	{ STB0899_IRQMSK_1      	, 0xff },
61 	{ STB0899_IRQMSK_0		, 0xff },
62 	{ STB0899_IRQCFG		, 0x00 },
63 	{ STB0899_I2CCFG        	, 0x88 },
64 	{ STB0899_I2CRPT        	, 0x58 },
65 	{ STB0899_IOPVALUE5		, 0x00 },
66 	{ STB0899_IOPVALUE4		, 0x33 },
67 	{ STB0899_IOPVALUE3		, 0x6d },
68 	{ STB0899_IOPVALUE2		, 0x90 },
69 	{ STB0899_IOPVALUE1		, 0x60 },
70 	{ STB0899_IOPVALUE0		, 0x00 },
71 	{ STB0899_GPIO00CFG     	, 0x82 },
72 	{ STB0899_GPIO01CFG     	, 0x82 },
73 	{ STB0899_GPIO02CFG     	, 0x82 },
74 	{ STB0899_GPIO03CFG     	, 0x82 },
75 	{ STB0899_GPIO04CFG     	, 0x82 },
76 	{ STB0899_GPIO05CFG     	, 0x82 },
77 	{ STB0899_GPIO06CFG     	, 0x82 },
78 	{ STB0899_GPIO07CFG     	, 0x82 },
79 	{ STB0899_GPIO08CFG     	, 0x82 },
80 	{ STB0899_GPIO09CFG     	, 0x82 },
81 	{ STB0899_GPIO10CFG     	, 0x82 },
82 	{ STB0899_GPIO11CFG     	, 0x82 },
83 	{ STB0899_GPIO12CFG     	, 0x82 },
84 	{ STB0899_GPIO13CFG     	, 0x82 },
85 	{ STB0899_GPIO14CFG     	, 0x82 },
86 	{ STB0899_GPIO15CFG     	, 0x82 },
87 	{ STB0899_GPIO16CFG     	, 0x82 },
88 	{ STB0899_GPIO17CFG     	, 0x82 },
89 	{ STB0899_GPIO18CFG     	, 0x82 },
90 	{ STB0899_GPIO19CFG     	, 0x82 },
91 	{ STB0899_GPIO20CFG     	, 0x82 },
92 	{ STB0899_SDATCFG       	, 0xb8 },
93 	{ STB0899_SCLTCFG       	, 0xba },
94 	{ STB0899_AGCRFCFG      	, 0x1c }, /* 0x11 */
95 	{ STB0899_GPIO22        	, 0x82 }, /* AGCBB2CFG */
96 	{ STB0899_GPIO21        	, 0x91 }, /* AGCBB1CFG */
97 	{ STB0899_DIRCLKCFG     	, 0x82 },
98 	{ STB0899_CLKOUT27CFG   	, 0x7e },
99 	{ STB0899_STDBYCFG      	, 0x82 },
100 	{ STB0899_CS0CFG        	, 0x82 },
101 	{ STB0899_CS1CFG        	, 0x82 },
102 	{ STB0899_DISEQCOCFG    	, 0x20 },
103 	{ STB0899_GPIO32CFG		, 0x82 },
104 	{ STB0899_GPIO33CFG		, 0x82 },
105 	{ STB0899_GPIO34CFG		, 0x82 },
106 	{ STB0899_GPIO35CFG		, 0x82 },
107 	{ STB0899_GPIO36CFG		, 0x82 },
108 	{ STB0899_GPIO37CFG		, 0x82 },
109 	{ STB0899_GPIO38CFG		, 0x82 },
110 	{ STB0899_GPIO39CFG		, 0x82 },
111 	{ STB0899_NCOARSE       	, 0x17 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
112 	{ STB0899_SYNTCTRL      	, 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
113 	{ STB0899_FILTCTRL      	, 0x00 },
114 	{ STB0899_SYSCTRL       	, 0x01 },
115 	{ STB0899_STOPCLK1      	, 0x20 },
116 	{ STB0899_STOPCLK2      	, 0x00 },
117 	{ STB0899_INTBUFSTATUS		, 0x00 },
118 	{ STB0899_INTBUFCTRL    	, 0x0a },
119 	{ 0xffff			, 0xff },
120 };
121 
122 static const struct stb0899_s1_reg az6027_stb0899_s1_init_3[] = {
123 	{ STB0899_DEMOD         	, 0x00 },
124 	{ STB0899_RCOMPC        	, 0xc9 },
125 	{ STB0899_AGC1CN        	, 0x01 },
126 	{ STB0899_AGC1REF       	, 0x10 },
127 	{ STB0899_RTC			, 0x23 },
128 	{ STB0899_TMGCFG        	, 0x4e },
129 	{ STB0899_AGC2REF       	, 0x34 },
130 	{ STB0899_TLSR          	, 0x84 },
131 	{ STB0899_CFD           	, 0xf7 },
132 	{ STB0899_ACLC			, 0x87 },
133 	{ STB0899_BCLC          	, 0x94 },
134 	{ STB0899_EQON          	, 0x41 },
135 	{ STB0899_LDT           	, 0xf1 },
136 	{ STB0899_LDT2          	, 0xe3 },
137 	{ STB0899_EQUALREF      	, 0xb4 },
138 	{ STB0899_TMGRAMP       	, 0x10 },
139 	{ STB0899_TMGTHD        	, 0x30 },
140 	{ STB0899_IDCCOMP		, 0xfd },
141 	{ STB0899_QDCCOMP		, 0xff },
142 	{ STB0899_POWERI		, 0x0c },
143 	{ STB0899_POWERQ		, 0x0f },
144 	{ STB0899_RCOMP			, 0x6c },
145 	{ STB0899_AGCIQIN		, 0x80 },
146 	{ STB0899_AGC2I1		, 0x06 },
147 	{ STB0899_AGC2I2		, 0x00 },
148 	{ STB0899_TLIR			, 0x30 },
149 	{ STB0899_RTF			, 0x7f },
150 	{ STB0899_DSTATUS		, 0x00 },
151 	{ STB0899_LDI			, 0xbc },
152 	{ STB0899_CFRM			, 0xea },
153 	{ STB0899_CFRL			, 0x31 },
154 	{ STB0899_NIRM			, 0x2b },
155 	{ STB0899_NIRL			, 0x80 },
156 	{ STB0899_ISYMB			, 0x1d },
157 	{ STB0899_QSYMB			, 0xa6 },
158 	{ STB0899_SFRH          	, 0x2f },
159 	{ STB0899_SFRM          	, 0x68 },
160 	{ STB0899_SFRL          	, 0x40 },
161 	{ STB0899_SFRUPH        	, 0x2f },
162 	{ STB0899_SFRUPM        	, 0x68 },
163 	{ STB0899_SFRUPL        	, 0x40 },
164 	{ STB0899_EQUAI1		, 0x02 },
165 	{ STB0899_EQUAQ1		, 0xff },
166 	{ STB0899_EQUAI2		, 0x04 },
167 	{ STB0899_EQUAQ2		, 0x05 },
168 	{ STB0899_EQUAI3		, 0x02 },
169 	{ STB0899_EQUAQ3		, 0xfd },
170 	{ STB0899_EQUAI4		, 0x03 },
171 	{ STB0899_EQUAQ4		, 0x07 },
172 	{ STB0899_EQUAI5		, 0x08 },
173 	{ STB0899_EQUAQ5		, 0xf5 },
174 	{ STB0899_DSTATUS2		, 0x00 },
175 	{ STB0899_VSTATUS       	, 0x00 },
176 	{ STB0899_VERROR		, 0x86 },
177 	{ STB0899_IQSWAP		, 0x2a },
178 	{ STB0899_ECNT1M		, 0x00 },
179 	{ STB0899_ECNT1L		, 0x00 },
180 	{ STB0899_ECNT2M		, 0x00 },
181 	{ STB0899_ECNT2L		, 0x00 },
182 	{ STB0899_ECNT3M		, 0x0a },
183 	{ STB0899_ECNT3L		, 0xad },
184 	{ STB0899_FECAUTO1      	, 0x06 },
185 	{ STB0899_FECM			, 0x01 },
186 	{ STB0899_VTH12         	, 0xb0 },
187 	{ STB0899_VTH23         	, 0x7a },
188 	{ STB0899_VTH34			, 0x58 },
189 	{ STB0899_VTH56         	, 0x38 },
190 	{ STB0899_VTH67         	, 0x34 },
191 	{ STB0899_VTH78         	, 0x24 },
192 	{ STB0899_PRVIT         	, 0xff },
193 	{ STB0899_VITSYNC       	, 0x19 },
194 	{ STB0899_RSULC         	, 0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
195 	{ STB0899_TSULC         	, 0x42 },
196 	{ STB0899_RSLLC         	, 0x41 },
197 	{ STB0899_TSLPL			, 0x12 },
198 	{ STB0899_TSCFGH        	, 0x0c },
199 	{ STB0899_TSCFGM        	, 0x00 },
200 	{ STB0899_TSCFGL        	, 0x00 },
201 	{ STB0899_TSOUT			, 0x69 }, /* 0x0d for CAM */
202 	{ STB0899_RSSYNCDEL     	, 0x00 },
203 	{ STB0899_TSINHDELH     	, 0x02 },
204 	{ STB0899_TSINHDELM		, 0x00 },
205 	{ STB0899_TSINHDELL		, 0x00 },
206 	{ STB0899_TSLLSTKM		, 0x1b },
207 	{ STB0899_TSLLSTKL		, 0xb3 },
208 	{ STB0899_TSULSTKM		, 0x00 },
209 	{ STB0899_TSULSTKL		, 0x00 },
210 	{ STB0899_PCKLENUL		, 0xbc },
211 	{ STB0899_PCKLENLL		, 0xcc },
212 	{ STB0899_RSPCKLEN		, 0xbd },
213 	{ STB0899_TSSTATUS		, 0x90 },
214 	{ STB0899_ERRCTRL1      	, 0xb6 },
215 	{ STB0899_ERRCTRL2      	, 0x95 },
216 	{ STB0899_ERRCTRL3      	, 0x8d },
217 	{ STB0899_DMONMSK1		, 0x27 },
218 	{ STB0899_DMONMSK0		, 0x03 },
219 	{ STB0899_DEMAPVIT      	, 0x5c },
220 	{ STB0899_PLPARM		, 0x19 },
221 	{ STB0899_PDELCTRL      	, 0x48 },
222 	{ STB0899_PDELCTRL2     	, 0x00 },
223 	{ STB0899_BBHCTRL1      	, 0x00 },
224 	{ STB0899_BBHCTRL2      	, 0x00 },
225 	{ STB0899_HYSTTHRESH    	, 0x77 },
226 	{ STB0899_MATCSTM		, 0x00 },
227 	{ STB0899_MATCSTL		, 0x00 },
228 	{ STB0899_UPLCSTM		, 0x00 },
229 	{ STB0899_UPLCSTL		, 0x00 },
230 	{ STB0899_DFLCSTM		, 0x00 },
231 	{ STB0899_DFLCSTL		, 0x00 },
232 	{ STB0899_SYNCCST		, 0x00 },
233 	{ STB0899_SYNCDCSTM		, 0x00 },
234 	{ STB0899_SYNCDCSTL		, 0x00 },
235 	{ STB0899_ISI_ENTRY		, 0x00 },
236 	{ STB0899_ISI_BIT_EN		, 0x00 },
237 	{ STB0899_MATSTRM		, 0xf0 },
238 	{ STB0899_MATSTRL		, 0x02 },
239 	{ STB0899_UPLSTRM		, 0x45 },
240 	{ STB0899_UPLSTRL		, 0x60 },
241 	{ STB0899_DFLSTRM		, 0xe3 },
242 	{ STB0899_DFLSTRL		, 0x00 },
243 	{ STB0899_SYNCSTR		, 0x47 },
244 	{ STB0899_SYNCDSTRM		, 0x05 },
245 	{ STB0899_SYNCDSTRL		, 0x18 },
246 	{ STB0899_CFGPDELSTATUS1	, 0x19 },
247 	{ STB0899_CFGPDELSTATUS2	, 0x2b },
248 	{ STB0899_BBFERRORM		, 0x00 },
249 	{ STB0899_BBFERRORL		, 0x01 },
250 	{ STB0899_UPKTERRORM		, 0x00 },
251 	{ STB0899_UPKTERRORL		, 0x00 },
252 	{ 0xffff			, 0xff },
253 };
254 
255 
256 
257 struct stb0899_config az6027_stb0899_config = {
258 	.init_dev		= az6027_stb0899_s1_init_1,
259 	.init_s2_demod		= stb0899_s2_init_2,
260 	.init_s1_demod		= az6027_stb0899_s1_init_3,
261 	.init_s2_fec		= stb0899_s2_init_4,
262 	.init_tst		= stb0899_s1_init_5,
263 
264 	.demod_address 		= 0xd0, /* 0x68, 0xd0 >> 1 */
265 
266 	.xtal_freq		= 27000000,
267 	.inversion		= IQ_SWAP_ON, /* 1 */
268 
269 	.lo_clk			= 76500000,
270 	.hi_clk			= 99000000,
271 
272 	.esno_ave		= STB0899_DVBS2_ESNO_AVE,
273 	.esno_quant		= STB0899_DVBS2_ESNO_QUANT,
274 	.avframes_coarse	= STB0899_DVBS2_AVFRAMES_COARSE,
275 	.avframes_fine		= STB0899_DVBS2_AVFRAMES_FINE,
276 	.miss_threshold		= STB0899_DVBS2_MISS_THRESHOLD,
277 	.uwp_threshold_acq	= STB0899_DVBS2_UWP_THRESHOLD_ACQ,
278 	.uwp_threshold_track	= STB0899_DVBS2_UWP_THRESHOLD_TRACK,
279 	.uwp_threshold_sof	= STB0899_DVBS2_UWP_THRESHOLD_SOF,
280 	.sof_search_timeout	= STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
281 
282 	.btr_nco_bits		= STB0899_DVBS2_BTR_NCO_BITS,
283 	.btr_gain_shift_offset	= STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
284 	.crl_nco_bits		= STB0899_DVBS2_CRL_NCO_BITS,
285 	.ldpc_max_iter		= STB0899_DVBS2_LDPC_MAX_ITER,
286 
287 	.tuner_get_frequency	= stb6100_get_frequency,
288 	.tuner_set_frequency	= stb6100_set_frequency,
289 	.tuner_set_bandwidth	= stb6100_set_bandwidth,
290 	.tuner_get_bandwidth	= stb6100_get_bandwidth,
291 	.tuner_set_rfsiggain	= NULL,
292 };
293 
294 struct stb6100_config az6027_stb6100_config = {
295 	.tuner_address	= 0xc0,
296 	.refclock	= 27000000,
297 };
298 
299 
300 /* check for mutex FIXME */
301 int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
302 {
303 	int ret = -1;
304 	if (mutex_lock_interruptible(&d->usb_mutex))
305 		return -EAGAIN;
306 
307 	ret = usb_control_msg(d->udev,
308 			      usb_rcvctrlpipe(d->udev, 0),
309 			      req,
310 			      USB_TYPE_VENDOR | USB_DIR_IN,
311 			      value,
312 			      index,
313 			      b,
314 			      blen,
315 			      2000);
316 
317 	if (ret < 0) {
318 		warn("usb in operation failed. (%d)", ret);
319 		ret = -EIO;
320 	} else
321 		ret = 0;
322 
323 	deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
324 	debug_dump(b, blen, deb_xfer);
325 
326 	mutex_unlock(&d->usb_mutex);
327 	return ret;
328 }
329 
330 static int az6027_usb_out_op(struct dvb_usb_device *d,
331 			     u8 req,
332 			     u16 value,
333 			     u16 index,
334 			     u8 *b,
335 			     int blen)
336 {
337 	int ret;
338 
339 	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
340 	debug_dump(b, blen, deb_xfer);
341 
342 	if (mutex_lock_interruptible(&d->usb_mutex))
343 		return -EAGAIN;
344 
345 	ret = usb_control_msg(d->udev,
346 			      usb_sndctrlpipe(d->udev, 0),
347 			      req,
348 			      USB_TYPE_VENDOR | USB_DIR_OUT,
349 			      value,
350 			      index,
351 			      b,
352 			      blen,
353 			      2000);
354 
355 	if (ret != blen) {
356 		warn("usb out operation failed. (%d)", ret);
357 		mutex_unlock(&d->usb_mutex);
358 		return -EIO;
359 	} else{
360 		mutex_unlock(&d->usb_mutex);
361 		return 0;
362 	}
363 }
364 
365 static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
366 {
367 	int ret;
368 	u8 req;
369 	u16 value;
370 	u16 index;
371 	int blen;
372 
373 	deb_info("%s %d", __func__, onoff);
374 
375 	req = 0xBC;
376 	value = onoff;
377 	index = 0;
378 	blen = 0;
379 
380 	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
381 	if (ret != 0)
382 		warn("usb out operation failed. (%d)", ret);
383 
384 	return ret;
385 }
386 
387 /* keys for the enclosed remote control */
388 static struct rc_map_table rc_map_az6027_table[] = {
389 	{ 0x01, KEY_1 },
390 	{ 0x02, KEY_2 },
391 };
392 
393 /* remote control stuff (does not work with my box) */
394 static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
395 {
396 	return 0;
397 }
398 
399 /*
400 int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
401 {
402 	u8 v = onoff;
403 	return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
404 }
405 */
406 
407 static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
408 					int slot,
409 					int address)
410 {
411 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
412 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
413 
414 	int ret;
415 	u8 req;
416 	u16 value;
417 	u16 index;
418 	int blen;
419 	u8 *b;
420 
421 	if (slot != 0)
422 		return -EINVAL;
423 
424 	b = kmalloc(12, GFP_KERNEL);
425 	if (!b)
426 		return -ENOMEM;
427 
428 	mutex_lock(&state->ca_mutex);
429 
430 	req = 0xC1;
431 	value = address;
432 	index = 0;
433 	blen = 1;
434 
435 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
436 	if (ret < 0) {
437 		warn("usb in operation failed. (%d)", ret);
438 		ret = -EINVAL;
439 	} else {
440 		ret = b[0];
441 	}
442 
443 	mutex_unlock(&state->ca_mutex);
444 	kfree(b);
445 	return ret;
446 }
447 
448 static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
449 					 int slot,
450 					 int address,
451 					 u8 value)
452 {
453 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
454 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
455 
456 	int ret;
457 	u8 req;
458 	u16 value1;
459 	u16 index;
460 	int blen;
461 
462 	deb_info("%s %d", __func__, slot);
463 	if (slot != 0)
464 		return -EINVAL;
465 
466 	mutex_lock(&state->ca_mutex);
467 	req = 0xC2;
468 	value1 = address;
469 	index = value;
470 	blen = 0;
471 
472 	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
473 	if (ret != 0)
474 		warn("usb out operation failed. (%d)", ret);
475 
476 	mutex_unlock(&state->ca_mutex);
477 	return ret;
478 }
479 
480 static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
481 				      int slot,
482 				      u8 address)
483 {
484 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
485 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
486 
487 	int ret;
488 	u8 req;
489 	u16 value;
490 	u16 index;
491 	int blen;
492 	u8 *b;
493 
494 	if (slot != 0)
495 		return -EINVAL;
496 
497 	b = kmalloc(12, GFP_KERNEL);
498 	if (!b)
499 		return -ENOMEM;
500 
501 	mutex_lock(&state->ca_mutex);
502 
503 	req = 0xC3;
504 	value = address;
505 	index = 0;
506 	blen = 2;
507 
508 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
509 	if (ret < 0) {
510 		warn("usb in operation failed. (%d)", ret);
511 		ret = -EINVAL;
512 	} else {
513 		if (b[0] == 0)
514 			warn("Read CI IO error");
515 
516 		ret = b[1];
517 		deb_info("read cam data = %x from 0x%x", b[1], value);
518 	}
519 
520 	mutex_unlock(&state->ca_mutex);
521 	kfree(b);
522 	return ret;
523 }
524 
525 static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
526 				       int slot,
527 				       u8 address,
528 				       u8 value)
529 {
530 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
531 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
532 
533 	int ret;
534 	u8 req;
535 	u16 value1;
536 	u16 index;
537 	int blen;
538 
539 	if (slot != 0)
540 		return -EINVAL;
541 
542 	mutex_lock(&state->ca_mutex);
543 	req = 0xC4;
544 	value1 = address;
545 	index = value;
546 	blen = 0;
547 
548 	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
549 	if (ret != 0) {
550 		warn("usb out operation failed. (%d)", ret);
551 		goto failed;
552 	}
553 
554 failed:
555 	mutex_unlock(&state->ca_mutex);
556 	return ret;
557 }
558 
559 static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
560 {
561 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
562 
563 	int ret;
564 	u8 req;
565 	u16 value;
566 	u16 index;
567 	int blen;
568 	u8 *b;
569 
570 	b = kmalloc(12, GFP_KERNEL);
571 	if (!b)
572 		return -ENOMEM;
573 
574 	req = 0xC8;
575 	value = 0;
576 	index = 0;
577 	blen = 1;
578 
579 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
580 	if (ret < 0) {
581 		warn("usb in operation failed. (%d)", ret);
582 		ret = -EIO;
583 	} else{
584 		ret = b[0];
585 	}
586 	kfree(b);
587 	return ret;
588 }
589 
590 static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
591 {
592 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
593 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
594 
595 	int ret, i;
596 	u8 req;
597 	u16 value;
598 	u16 index;
599 	int blen;
600 
601 	mutex_lock(&state->ca_mutex);
602 
603 	req = 0xC6;
604 	value = 1;
605 	index = 0;
606 	blen = 0;
607 
608 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
609 	if (ret != 0) {
610 		warn("usb out operation failed. (%d)", ret);
611 		goto failed;
612 	}
613 
614 	msleep(500);
615 	req = 0xC6;
616 	value = 0;
617 	index = 0;
618 	blen = 0;
619 
620 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
621 	if (ret != 0) {
622 		warn("usb out operation failed. (%d)", ret);
623 		goto failed;
624 	}
625 
626 	for (i = 0; i < 15; i++) {
627 		msleep(100);
628 
629 		if (CI_CamReady(ca, slot)) {
630 			deb_info("CAM Ready");
631 			break;
632 		}
633 	}
634 	msleep(5000);
635 
636 failed:
637 	mutex_unlock(&state->ca_mutex);
638 	return ret;
639 }
640 
641 static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
642 {
643 	return 0;
644 }
645 
646 static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
647 {
648 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
649 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
650 
651 	int ret;
652 	u8 req;
653 	u16 value;
654 	u16 index;
655 	int blen;
656 
657 	deb_info("%s", __func__);
658 	mutex_lock(&state->ca_mutex);
659 	req = 0xC7;
660 	value = 1;
661 	index = 0;
662 	blen = 0;
663 
664 	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
665 	if (ret != 0) {
666 		warn("usb out operation failed. (%d)", ret);
667 		goto failed;
668 	}
669 
670 failed:
671 	mutex_unlock(&state->ca_mutex);
672 	return ret;
673 }
674 
675 static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
676 {
677 	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
678 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
679 	int ret;
680 	u8 req;
681 	u16 value;
682 	u16 index;
683 	int blen;
684 	u8 *b;
685 
686 	b = kmalloc(12, GFP_KERNEL);
687 	if (!b)
688 		return -ENOMEM;
689 	mutex_lock(&state->ca_mutex);
690 
691 	req = 0xC5;
692 	value = 0;
693 	index = 0;
694 	blen = 1;
695 
696 	ret = az6027_usb_in_op(d, req, value, index, b, blen);
697 	if (ret < 0) {
698 		warn("usb in operation failed. (%d)", ret);
699 		ret = -EIO;
700 	} else
701 		ret = 0;
702 
703 	if (!ret && b[0] == 1) {
704 		ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
705 		      DVB_CA_EN50221_POLL_CAM_READY;
706 	}
707 
708 	mutex_unlock(&state->ca_mutex);
709 	kfree(b);
710 	return ret;
711 }
712 
713 
714 static void az6027_ci_uninit(struct dvb_usb_device *d)
715 {
716 	struct az6027_device_state *state;
717 
718 	deb_info("%s", __func__);
719 
720 	if (NULL == d)
721 		return;
722 
723 	state = (struct az6027_device_state *)d->priv;
724 	if (NULL == state)
725 		return;
726 
727 	if (NULL == state->ca.data)
728 		return;
729 
730 	dvb_ca_en50221_release(&state->ca);
731 
732 	memset(&state->ca, 0, sizeof(state->ca));
733 }
734 
735 
736 static int az6027_ci_init(struct dvb_usb_adapter *a)
737 {
738 	struct dvb_usb_device *d = a->dev;
739 	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
740 	int ret;
741 
742 	deb_info("%s", __func__);
743 
744 	mutex_init(&state->ca_mutex);
745 
746 	state->ca.owner			= THIS_MODULE;
747 	state->ca.read_attribute_mem	= az6027_ci_read_attribute_mem;
748 	state->ca.write_attribute_mem	= az6027_ci_write_attribute_mem;
749 	state->ca.read_cam_control	= az6027_ci_read_cam_control;
750 	state->ca.write_cam_control	= az6027_ci_write_cam_control;
751 	state->ca.slot_reset		= az6027_ci_slot_reset;
752 	state->ca.slot_shutdown		= az6027_ci_slot_shutdown;
753 	state->ca.slot_ts_enable	= az6027_ci_slot_ts_enable;
754 	state->ca.poll_slot_status	= az6027_ci_poll_slot_status;
755 	state->ca.data			= d;
756 
757 	ret = dvb_ca_en50221_init(&a->dvb_adap,
758 				  &state->ca,
759 				  0, /* flags */
760 				  1);/* n_slots */
761 	if (ret != 0) {
762 		err("Cannot initialize CI: Error %d.", ret);
763 		memset(&state->ca, 0, sizeof(state->ca));
764 		return ret;
765 	}
766 
767 	deb_info("CI initialized.");
768 
769 	return 0;
770 }
771 
772 /*
773 static int az6027_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
774 {
775 	az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
776 	return 0;
777 }
778 */
779 
780 static int az6027_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t 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 			value = msg[i].buf[0] & 0x00ff;
979 			length = 1;
980 			az6027_usb_out_op(d, req, value, index, data, length);
981 		}
982 
983 		if (msg[i].addr == 0xd0) {
984 			/* write/read request */
985 			if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
986 				req = 0xB9;
987 				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
988 				value = msg[i].addr + (msg[i].len << 8);
989 				length = msg[i + 1].len + 6;
990 				az6027_usb_in_op(d, req, value, index, data, length);
991 				len = msg[i + 1].len;
992 				for (j = 0; j < len; j++)
993 					msg[i + 1].buf[j] = data[j + 5];
994 
995 				i++;
996 			} else {
997 
998 				/* demod 16bit addr */
999 				req = 0xBD;
1000 				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1001 				value = msg[i].addr + (2 << 8);
1002 				length = msg[i].len - 2;
1003 				len = msg[i].len - 2;
1004 				for (j = 0; j < len; j++)
1005 					data[j] = msg[i].buf[j + 2];
1006 				az6027_usb_out_op(d, req, value, index, data, length);
1007 			}
1008 		}
1009 
1010 		if (msg[i].addr == 0xc0) {
1011 			if (msg[i].flags & I2C_M_RD) {
1012 
1013 				req = 0xB9;
1014 				index = 0x0;
1015 				value = msg[i].addr;
1016 				length = msg[i].len + 6;
1017 				az6027_usb_in_op(d, req, value, index, data, length);
1018 				len = msg[i].len;
1019 				for (j = 0; j < len; j++)
1020 					msg[i].buf[j] = data[j + 5];
1021 
1022 			} else {
1023 
1024 				req = 0xBD;
1025 				index = msg[i].buf[0] & 0x00FF;
1026 				value = msg[i].addr + (1 << 8);
1027 				length = msg[i].len - 1;
1028 				len = msg[i].len - 1;
1029 
1030 				for (j = 0; j < len; j++)
1031 					data[j] = msg[i].buf[j + 1];
1032 
1033 				az6027_usb_out_op(d, req, value, index, data, length);
1034 			}
1035 		}
1036 	}
1037 	mutex_unlock(&d->i2c_mutex);
1038 	kfree(data);
1039 
1040 	return i;
1041 }
1042 
1043 
1044 static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1045 {
1046 	return I2C_FUNC_I2C;
1047 }
1048 
1049 static struct i2c_algorithm az6027_i2c_algo = {
1050 	.master_xfer   = az6027_i2c_xfer,
1051 	.functionality = az6027_i2c_func,
1052 };
1053 
1054 int az6027_identify_state(struct usb_device *udev,
1055 			  struct dvb_usb_device_properties *props,
1056 			  struct dvb_usb_device_description **desc,
1057 			  int *cold)
1058 {
1059 	u8 *b;
1060 	s16 ret;
1061 
1062 	b = kmalloc(16, GFP_KERNEL);
1063 	if (!b)
1064 		return -ENOMEM;
1065 
1066 	ret = usb_control_msg(udev,
1067 				  usb_rcvctrlpipe(udev, 0),
1068 				  0xb7,
1069 				  USB_TYPE_VENDOR | USB_DIR_IN,
1070 				  6,
1071 				  0,
1072 				  b,
1073 				  6,
1074 				  USB_CTRL_GET_TIMEOUT);
1075 
1076 	*cold = ret <= 0;
1077 	kfree(b);
1078 	deb_info("cold: %d\n", *cold);
1079 	return 0;
1080 }
1081 
1082 
1083 static struct usb_device_id az6027_usb_table[] = {
1084 	{ USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_AZ6027) },
1085 	{ USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V1) },
1086 	{ USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V2) },
1087 	{ USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V1) },
1088 	{ USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V2) },
1089 	{ USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT) },
1090 	{ },
1091 };
1092 
1093 MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1094 
1095 static struct dvb_usb_device_properties az6027_properties = {
1096 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1097 	.usb_ctrl = CYPRESS_FX2,
1098 	.firmware            = "dvb-usb-az6027-03.fw",
1099 	.no_reconnect        = 1,
1100 
1101 	.size_of_priv     = sizeof(struct az6027_device_state),
1102 	.identify_state		= az6027_identify_state,
1103 	.num_adapters = 1,
1104 	.adapter = {
1105 		{
1106 		.num_frontends = 1,
1107 		.fe = {{
1108 			.streaming_ctrl   = az6027_streaming_ctrl,
1109 			.frontend_attach  = az6027_frontend_attach,
1110 
1111 			/* parameter for the MPEG2-data transfer */
1112 			.stream = {
1113 				.type = USB_BULK,
1114 				.count = 10,
1115 				.endpoint = 0x02,
1116 				.u = {
1117 					.bulk = {
1118 						.buffersize = 4096,
1119 					}
1120 				}
1121 			},
1122 		}},
1123 		}
1124 	},
1125 /*
1126 	.power_ctrl       = az6027_power_ctrl,
1127 	.read_mac_address = az6027_read_mac_addr,
1128  */
1129 	.rc.legacy = {
1130 		.rc_map_table     = rc_map_az6027_table,
1131 		.rc_map_size      = ARRAY_SIZE(rc_map_az6027_table),
1132 		.rc_interval      = 400,
1133 		.rc_query         = az6027_rc_query,
1134 	},
1135 
1136 	.i2c_algo         = &az6027_i2c_algo,
1137 
1138 	.num_device_descs = 6,
1139 	.devices = {
1140 		{
1141 			.name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1142 			.cold_ids = { &az6027_usb_table[0], NULL },
1143 			.warm_ids = { NULL },
1144 		}, {
1145 			.name = "TERRATEC S7",
1146 			.cold_ids = { &az6027_usb_table[1], NULL },
1147 			.warm_ids = { NULL },
1148 		}, {
1149 			.name = "TERRATEC S7 MKII",
1150 			.cold_ids = { &az6027_usb_table[2], NULL },
1151 			.warm_ids = { NULL },
1152 		}, {
1153 			.name = "Technisat SkyStar USB 2 HD CI",
1154 			.cold_ids = { &az6027_usb_table[3], NULL },
1155 			.warm_ids = { NULL },
1156 		}, {
1157 			.name = "Technisat SkyStar USB 2 HD CI",
1158 			.cold_ids = { &az6027_usb_table[4], NULL },
1159 			.warm_ids = { NULL },
1160 		}, {
1161 			.name = "Elgato EyeTV Sat",
1162 			.cold_ids = { &az6027_usb_table[5], NULL },
1163 			.warm_ids = { NULL },
1164 		},
1165 		{ NULL },
1166 	}
1167 };
1168 
1169 /* usb specific object needed to register this driver with the usb subsystem */
1170 static struct usb_driver az6027_usb_driver = {
1171 	.name		= "dvb_usb_az6027",
1172 	.probe 		= az6027_usb_probe,
1173 	.disconnect 	= az6027_usb_disconnect,
1174 	.id_table 	= az6027_usb_table,
1175 };
1176 
1177 module_usb_driver(az6027_usb_driver);
1178 
1179 MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1180 MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1181 MODULE_VERSION("1.0");
1182 MODULE_LICENSE("GPL");
1183