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
22int dvb_usb_az6027_debug;
23module_param_named(debug, dvb_usb_az6027_debug, int, 0644);
24MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
25
26DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
27
28struct az6027_device_state {
29	struct dvb_ca_en50221 ca;
30	struct mutex ca_mutex;
31	u8 power_state;
32};
33
34static 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
122static 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
257static 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,
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
294static struct stb6100_config az6027_stb6100_config = {
295	.tuner_address	= 0xc0,
296	.refclock	= 27000000,
297};
298
299
300/* check for mutex FIXME */
301static int az6027_usb_in_op(struct dvb_usb_device *d, u8 req,
302			    u16 value, u16 index, u8 *b, int blen)
303{
304	int ret = -1;
305	if (mutex_lock_interruptible(&d->usb_mutex))
306		return -EAGAIN;
307
308	ret = usb_control_msg(d->udev,
309			      usb_rcvctrlpipe(d->udev, 0),
310			      req,
311			      USB_TYPE_VENDOR | USB_DIR_IN,
312			      value,
313			      index,
314			      b,
315			      blen,
316			      2000);
317
318	if (ret < 0) {
319		warn("usb in operation failed. (%d)", ret);
320		ret = -EIO;
321	} else
322		ret = 0;
323
324	deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
325	debug_dump(b, blen, deb_xfer);
326
327	mutex_unlock(&d->usb_mutex);
328	return ret;
329}
330
331static int az6027_usb_out_op(struct dvb_usb_device *d,
332			     u8 req,
333			     u16 value,
334			     u16 index,
335			     u8 *b,
336			     int blen)
337{
338	int ret;
339
340	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value, index);
341	debug_dump(b, blen, deb_xfer);
342
343	if (mutex_lock_interruptible(&d->usb_mutex))
344		return -EAGAIN;
345
346	ret = usb_control_msg(d->udev,
347			      usb_sndctrlpipe(d->udev, 0),
348			      req,
349			      USB_TYPE_VENDOR | USB_DIR_OUT,
350			      value,
351			      index,
352			      b,
353			      blen,
354			      2000);
355
356	if (ret != blen) {
357		warn("usb out operation failed. (%d)", ret);
358		mutex_unlock(&d->usb_mutex);
359		return -EIO;
360	} else{
361		mutex_unlock(&d->usb_mutex);
362		return 0;
363	}
364}
365
366static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
367{
368	int ret;
369	u8 req;
370	u16 value;
371	u16 index;
372	int blen;
373
374	deb_info("%s %d", __func__, onoff);
375
376	req = 0xBC;
377	value = onoff;
378	index = 0;
379	blen = 0;
380
381	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
382	if (ret != 0)
383		warn("usb out operation failed. (%d)", ret);
384
385	return ret;
386}
387
388/* keys for the enclosed remote control */
389static struct rc_map_table rc_map_az6027_table[] = {
390	{ 0x01, KEY_1 },
391	{ 0x02, KEY_2 },
392};
393
394/* remote control stuff (does not work with my box) */
395static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
396{
397	return 0;
398}
399
400/*
401int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
402{
403	u8 v = onoff;
404	return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
405}
406*/
407
408static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
409					int slot,
410					int address)
411{
412	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
413	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
414
415	int ret;
416	u8 req;
417	u16 value;
418	u16 index;
419	int blen;
420	u8 *b;
421
422	if (slot != 0)
423		return -EINVAL;
424
425	b = kmalloc(12, GFP_KERNEL);
426	if (!b)
427		return -ENOMEM;
428
429	mutex_lock(&state->ca_mutex);
430
431	req = 0xC1;
432	value = address;
433	index = 0;
434	blen = 1;
435
436	ret = az6027_usb_in_op(d, req, value, index, b, blen);
437	if (ret < 0) {
438		warn("usb in operation failed. (%d)", ret);
439		ret = -EINVAL;
440	} else {
441		ret = b[0];
442	}
443
444	mutex_unlock(&state->ca_mutex);
445	kfree(b);
446	return ret;
447}
448
449static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
450					 int slot,
451					 int address,
452					 u8 value)
453{
454	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
455	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
456
457	int ret;
458	u8 req;
459	u16 value1;
460	u16 index;
461	int blen;
462
463	deb_info("%s %d", __func__, slot);
464	if (slot != 0)
465		return -EINVAL;
466
467	mutex_lock(&state->ca_mutex);
468	req = 0xC2;
469	value1 = address;
470	index = value;
471	blen = 0;
472
473	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
474	if (ret != 0)
475		warn("usb out operation failed. (%d)", ret);
476
477	mutex_unlock(&state->ca_mutex);
478	return ret;
479}
480
481static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
482				      int slot,
483				      u8 address)
484{
485	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
486	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
487
488	int ret;
489	u8 req;
490	u16 value;
491	u16 index;
492	int blen;
493	u8 *b;
494
495	if (slot != 0)
496		return -EINVAL;
497
498	b = kmalloc(12, GFP_KERNEL);
499	if (!b)
500		return -ENOMEM;
501
502	mutex_lock(&state->ca_mutex);
503
504	req = 0xC3;
505	value = address;
506	index = 0;
507	blen = 2;
508
509	ret = az6027_usb_in_op(d, req, value, index, b, blen);
510	if (ret < 0) {
511		warn("usb in operation failed. (%d)", ret);
512		ret = -EINVAL;
513	} else {
514		if (b[0] == 0)
515			warn("Read CI IO error");
516
517		ret = b[1];
518		deb_info("read cam data = %x from 0x%x", b[1], value);
519	}
520
521	mutex_unlock(&state->ca_mutex);
522	kfree(b);
523	return ret;
524}
525
526static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
527				       int slot,
528				       u8 address,
529				       u8 value)
530{
531	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
532	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
533
534	int ret;
535	u8 req;
536	u16 value1;
537	u16 index;
538	int blen;
539
540	if (slot != 0)
541		return -EINVAL;
542
543	mutex_lock(&state->ca_mutex);
544	req = 0xC4;
545	value1 = address;
546	index = value;
547	blen = 0;
548
549	ret = az6027_usb_out_op(d, req, value1, index, NULL, blen);
550	if (ret != 0) {
551		warn("usb out operation failed. (%d)", ret);
552		goto failed;
553	}
554
555failed:
556	mutex_unlock(&state->ca_mutex);
557	return ret;
558}
559
560static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
561{
562	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
563
564	int ret;
565	u8 req;
566	u16 value;
567	u16 index;
568	int blen;
569	u8 *b;
570
571	b = kmalloc(12, GFP_KERNEL);
572	if (!b)
573		return -ENOMEM;
574
575	req = 0xC8;
576	value = 0;
577	index = 0;
578	blen = 1;
579
580	ret = az6027_usb_in_op(d, req, value, index, b, blen);
581	if (ret < 0) {
582		warn("usb in operation failed. (%d)", ret);
583		ret = -EIO;
584	} else{
585		ret = b[0];
586	}
587	kfree(b);
588	return ret;
589}
590
591static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
592{
593	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
594	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
595
596	int ret, i;
597	u8 req;
598	u16 value;
599	u16 index;
600	int blen;
601
602	mutex_lock(&state->ca_mutex);
603
604	req = 0xC6;
605	value = 1;
606	index = 0;
607	blen = 0;
608
609	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
610	if (ret != 0) {
611		warn("usb out operation failed. (%d)", ret);
612		goto failed;
613	}
614
615	msleep(500);
616	req = 0xC6;
617	value = 0;
618	index = 0;
619	blen = 0;
620
621	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
622	if (ret != 0) {
623		warn("usb out operation failed. (%d)", ret);
624		goto failed;
625	}
626
627	for (i = 0; i < 15; i++) {
628		msleep(100);
629
630		if (CI_CamReady(ca, slot)) {
631			deb_info("CAM Ready");
632			break;
633		}
634	}
635	msleep(5000);
636
637failed:
638	mutex_unlock(&state->ca_mutex);
639	return ret;
640}
641
642static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
643{
644	return 0;
645}
646
647static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
648{
649	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
650	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
651
652	int ret;
653	u8 req;
654	u16 value;
655	u16 index;
656	int blen;
657
658	deb_info("%s", __func__);
659	mutex_lock(&state->ca_mutex);
660	req = 0xC7;
661	value = 1;
662	index = 0;
663	blen = 0;
664
665	ret = az6027_usb_out_op(d, req, value, index, NULL, blen);
666	if (ret != 0) {
667		warn("usb out operation failed. (%d)", ret);
668		goto failed;
669	}
670
671failed:
672	mutex_unlock(&state->ca_mutex);
673	return ret;
674}
675
676static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
677{
678	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
679	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
680	int ret;
681	u8 req;
682	u16 value;
683	u16 index;
684	int blen;
685	u8 *b;
686
687	b = kmalloc(12, GFP_KERNEL);
688	if (!b)
689		return -ENOMEM;
690	mutex_lock(&state->ca_mutex);
691
692	req = 0xC5;
693	value = 0;
694	index = 0;
695	blen = 1;
696
697	ret = az6027_usb_in_op(d, req, value, index, b, blen);
698	if (ret < 0) {
699		warn("usb in operation failed. (%d)", ret);
700		ret = -EIO;
701	} else
702		ret = 0;
703
704	if (!ret && b[0] == 1) {
705		ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
706		      DVB_CA_EN50221_POLL_CAM_READY;
707	}
708
709	mutex_unlock(&state->ca_mutex);
710	kfree(b);
711	return ret;
712}
713
714
715static void az6027_ci_uninit(struct dvb_usb_device *d)
716{
717	struct az6027_device_state *state;
718
719	deb_info("%s", __func__);
720
721	if (NULL == d)
722		return;
723
724	state = (struct az6027_device_state *)d->priv;
725	if (NULL == state)
726		return;
727
728	if (NULL == state->ca.data)
729		return;
730
731	dvb_ca_en50221_release(&state->ca);
732
733	memset(&state->ca, 0, sizeof(state->ca));
734}
735
736
737static int az6027_ci_init(struct dvb_usb_adapter *a)
738{
739	struct dvb_usb_device *d = a->dev;
740	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
741	int ret;
742
743	deb_info("%s", __func__);
744
745	mutex_init(&state->ca_mutex);
746
747	state->ca.owner			= THIS_MODULE;
748	state->ca.read_attribute_mem	= az6027_ci_read_attribute_mem;
749	state->ca.write_attribute_mem	= az6027_ci_write_attribute_mem;
750	state->ca.read_cam_control	= az6027_ci_read_cam_control;
751	state->ca.write_cam_control	= az6027_ci_write_cam_control;
752	state->ca.slot_reset		= az6027_ci_slot_reset;
753	state->ca.slot_shutdown		= az6027_ci_slot_shutdown;
754	state->ca.slot_ts_enable	= az6027_ci_slot_ts_enable;
755	state->ca.poll_slot_status	= az6027_ci_poll_slot_status;
756	state->ca.data			= d;
757
758	ret = dvb_ca_en50221_init(&a->dvb_adap,
759				  &state->ca,
760				  0, /* flags */
761				  1);/* n_slots */
762	if (ret != 0) {
763		err("Cannot initialize CI: Error %d.", ret);
764		memset(&state->ca, 0, sizeof(state->ca));
765		return ret;
766	}
767
768	deb_info("CI initialized.");
769
770	return 0;
771}
772
773/*
774static int az6027_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
775{
776	az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
777	return 0;
778}
779*/
780
781static int az6027_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
782{
783
784	u8 buf;
785	struct dvb_usb_adapter *adap = fe->dvb->priv;
786
787	struct i2c_msg i2c_msg = {
788		.addr	= 0x99,
789		.flags	= 0,
790		.buf	= &buf,
791		.len	= 1
792	};
793
794	/*
795	 * 2   --18v
796	 * 1   --13v
797	 * 0   --off
798	 */
799	switch (voltage) {
800	case SEC_VOLTAGE_13:
801		buf = 1;
802		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
803		break;
804
805	case SEC_VOLTAGE_18:
806		buf = 2;
807		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
808		break;
809
810	case SEC_VOLTAGE_OFF:
811		buf = 0;
812		i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
813		break;
814
815	default:
816		return -EINVAL;
817	}
818	return 0;
819}
820
821
822static int az6027_frontend_poweron(struct dvb_usb_adapter *adap)
823{
824	int ret;
825	u8 req;
826	u16 value;
827	u16 index;
828	int blen;
829
830	req = 0xBC;
831	value = 1; /* power on */
832	index = 3;
833	blen = 0;
834
835	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
836	if (ret != 0)
837		return -EIO;
838
839	return 0;
840}
841static int az6027_frontend_reset(struct dvb_usb_adapter *adap)
842{
843	int ret;
844	u8 req;
845	u16 value;
846	u16 index;
847	int blen;
848
849	/* reset demodulator */
850	req = 0xC0;
851	value = 1; /* high */
852	index = 3;
853	blen = 0;
854
855	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
856	if (ret != 0)
857		return -EIO;
858
859	req = 0xC0;
860	value = 0; /* low */
861	index = 3;
862	blen = 0;
863	msleep_interruptible(200);
864
865	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
866	if (ret != 0)
867		return -EIO;
868
869	msleep_interruptible(200);
870
871	req = 0xC0;
872	value = 1; /*high */
873	index = 3;
874	blen = 0;
875
876	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
877	if (ret != 0)
878		return -EIO;
879
880	msleep_interruptible(200);
881	return 0;
882}
883
884static int az6027_frontend_tsbypass(struct dvb_usb_adapter *adap, int onoff)
885{
886	int ret;
887	u8 req;
888	u16 value;
889	u16 index;
890	int blen;
891
892	/* TS passthrough */
893	req = 0xC7;
894	value = onoff;
895	index = 0;
896	blen = 0;
897
898	ret = az6027_usb_out_op(adap->dev, req, value, index, NULL, blen);
899	if (ret != 0)
900		return -EIO;
901
902	return 0;
903}
904
905static int az6027_frontend_attach(struct dvb_usb_adapter *adap)
906{
907
908	az6027_frontend_poweron(adap);
909	az6027_frontend_reset(adap);
910
911	deb_info("adap = %p, dev = %p\n", adap, adap->dev);
912	adap->fe_adap[0].fe = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
913
914	if (adap->fe_adap[0].fe) {
915		deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb0899_config.demod_address);
916		if (stb6100_attach(adap->fe_adap[0].fe, &az6027_stb6100_config, &adap->dev->i2c_adap)) {
917			deb_info("found STB6100 DVB-S/DVB-S2 frontend @0x%02x", az6027_stb6100_config.tuner_address);
918			adap->fe_adap[0].fe->ops.set_voltage = az6027_set_voltage;
919			az6027_ci_init(adap);
920		} else {
921			adap->fe_adap[0].fe = NULL;
922		}
923	} else
924		warn("no front-end attached\n");
925
926	az6027_frontend_tsbypass(adap, 0);
927
928	return 0;
929}
930
931static struct dvb_usb_device_properties az6027_properties;
932
933static void az6027_usb_disconnect(struct usb_interface *intf)
934{
935	struct dvb_usb_device *d = usb_get_intfdata(intf);
936	az6027_ci_uninit(d);
937	dvb_usb_device_exit(intf);
938}
939
940
941static int az6027_usb_probe(struct usb_interface *intf,
942			    const struct usb_device_id *id)
943{
944	return dvb_usb_device_init(intf,
945				   &az6027_properties,
946				   THIS_MODULE,
947				   NULL,
948				   adapter_nr);
949}
950
951/* I2C */
952static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
953{
954	struct dvb_usb_device *d = i2c_get_adapdata(adap);
955	int i = 0, j = 0, len = 0;
956	u16 index;
957	u16 value;
958	int length;
959	u8 req;
960	u8 *data;
961
962	data = kmalloc(256, GFP_KERNEL);
963	if (!data)
964		return -ENOMEM;
965
966	if (mutex_lock_interruptible(&d->i2c_mutex) < 0) {
967		kfree(data);
968		return -EAGAIN;
969	}
970
971	if (num > 2)
972		warn("more than 2 i2c messages at a time is not handled yet. TODO.");
973
974	for (i = 0; i < num; i++) {
975
976		if (msg[i].addr == 0x99) {
977			req = 0xBE;
978			index = 0;
979			value = msg[i].buf[0] & 0x00ff;
980			length = 1;
981			az6027_usb_out_op(d, req, value, index, data, length);
982		}
983
984		if (msg[i].addr == 0xd0) {
985			/* write/read request */
986			if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
987				req = 0xB9;
988				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
989				value = msg[i].addr + (msg[i].len << 8);
990				length = msg[i + 1].len + 6;
991				az6027_usb_in_op(d, req, value, index, data, length);
992				len = msg[i + 1].len;
993				for (j = 0; j < len; j++)
994					msg[i + 1].buf[j] = data[j + 5];
995
996				i++;
997			} else {
998
999				/* demod 16bit addr */
1000				req = 0xBD;
1001				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
1002				value = msg[i].addr + (2 << 8);
1003				length = msg[i].len - 2;
1004				len = msg[i].len - 2;
1005				for (j = 0; j < len; j++)
1006					data[j] = msg[i].buf[j + 2];
1007				az6027_usb_out_op(d, req, value, index, data, length);
1008			}
1009		}
1010
1011		if (msg[i].addr == 0xc0) {
1012			if (msg[i].flags & I2C_M_RD) {
1013
1014				req = 0xB9;
1015				index = 0x0;
1016				value = msg[i].addr;
1017				length = msg[i].len + 6;
1018				az6027_usb_in_op(d, req, value, index, data, length);
1019				len = msg[i].len;
1020				for (j = 0; j < len; j++)
1021					msg[i].buf[j] = data[j + 5];
1022
1023			} else {
1024
1025				req = 0xBD;
1026				index = msg[i].buf[0] & 0x00FF;
1027				value = msg[i].addr + (1 << 8);
1028				length = msg[i].len - 1;
1029				len = msg[i].len - 1;
1030
1031				for (j = 0; j < len; j++)
1032					data[j] = msg[i].buf[j + 1];
1033
1034				az6027_usb_out_op(d, req, value, index, data, length);
1035			}
1036		}
1037	}
1038	mutex_unlock(&d->i2c_mutex);
1039	kfree(data);
1040
1041	return i;
1042}
1043
1044
1045static u32 az6027_i2c_func(struct i2c_adapter *adapter)
1046{
1047	return I2C_FUNC_I2C;
1048}
1049
1050static struct i2c_algorithm az6027_i2c_algo = {
1051	.master_xfer   = az6027_i2c_xfer,
1052	.functionality = az6027_i2c_func,
1053};
1054
1055static int az6027_identify_state(struct usb_device *udev,
1056				 struct dvb_usb_device_properties *props,
1057				 struct dvb_usb_device_description **desc,
1058				 int *cold)
1059{
1060	u8 *b;
1061	s16 ret;
1062
1063	b = kmalloc(16, GFP_KERNEL);
1064	if (!b)
1065		return -ENOMEM;
1066
1067	ret = usb_control_msg(udev,
1068				  usb_rcvctrlpipe(udev, 0),
1069				  0xb7,
1070				  USB_TYPE_VENDOR | USB_DIR_IN,
1071				  6,
1072				  0,
1073				  b,
1074				  6,
1075				  USB_CTRL_GET_TIMEOUT);
1076
1077	*cold = ret <= 0;
1078	kfree(b);
1079	deb_info("cold: %d\n", *cold);
1080	return 0;
1081}
1082
1083
1084static struct usb_device_id az6027_usb_table[] = {
1085	{ USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_AZ6027) },
1086	{ USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V1) },
1087	{ USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_DVBS2CI_V2) },
1088	{ USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V1) },
1089	{ USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_HDCI_V2) },
1090	{ USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT) },
1091	{ USB_DEVICE(USB_VID_ELGATO, USB_PID_ELGATO_EYETV_SAT_V2) },
1092	{ },
1093};
1094
1095MODULE_DEVICE_TABLE(usb, az6027_usb_table);
1096
1097static struct dvb_usb_device_properties az6027_properties = {
1098	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1099	.usb_ctrl = CYPRESS_FX2,
1100	.firmware            = "dvb-usb-az6027-03.fw",
1101	.no_reconnect        = 1,
1102
1103	.size_of_priv     = sizeof(struct az6027_device_state),
1104	.identify_state		= az6027_identify_state,
1105	.num_adapters = 1,
1106	.adapter = {
1107		{
1108		.num_frontends = 1,
1109		.fe = {{
1110			.streaming_ctrl   = az6027_streaming_ctrl,
1111			.frontend_attach  = az6027_frontend_attach,
1112
1113			/* parameter for the MPEG2-data transfer */
1114			.stream = {
1115				.type = USB_BULK,
1116				.count = 10,
1117				.endpoint = 0x02,
1118				.u = {
1119					.bulk = {
1120						.buffersize = 4096,
1121					}
1122				}
1123			},
1124		}},
1125		}
1126	},
1127/*
1128	.power_ctrl       = az6027_power_ctrl,
1129	.read_mac_address = az6027_read_mac_addr,
1130 */
1131	.rc.legacy = {
1132		.rc_map_table     = rc_map_az6027_table,
1133		.rc_map_size      = ARRAY_SIZE(rc_map_az6027_table),
1134		.rc_interval      = 400,
1135		.rc_query         = az6027_rc_query,
1136	},
1137
1138	.i2c_algo         = &az6027_i2c_algo,
1139
1140	.num_device_descs = 7,
1141	.devices = {
1142		{
1143			.name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
1144			.cold_ids = { &az6027_usb_table[0], NULL },
1145			.warm_ids = { NULL },
1146		}, {
1147			.name = "TERRATEC S7",
1148			.cold_ids = { &az6027_usb_table[1], NULL },
1149			.warm_ids = { NULL },
1150		}, {
1151			.name = "TERRATEC S7 MKII",
1152			.cold_ids = { &az6027_usb_table[2], NULL },
1153			.warm_ids = { NULL },
1154		}, {
1155			.name = "Technisat SkyStar USB 2 HD CI",
1156			.cold_ids = { &az6027_usb_table[3], NULL },
1157			.warm_ids = { NULL },
1158		}, {
1159			.name = "Technisat SkyStar USB 2 HD CI",
1160			.cold_ids = { &az6027_usb_table[4], NULL },
1161			.warm_ids = { NULL },
1162		}, {
1163			.name = "Elgato EyeTV Sat",
1164			.cold_ids = { &az6027_usb_table[5], NULL },
1165			.warm_ids = { NULL },
1166		}, {
1167			.name = "Elgato EyeTV Sat",
1168			.cold_ids = { &az6027_usb_table[6], NULL },
1169			.warm_ids = { NULL },
1170		},
1171		{ NULL },
1172	}
1173};
1174
1175/* usb specific object needed to register this driver with the usb subsystem */
1176static struct usb_driver az6027_usb_driver = {
1177	.name		= "dvb_usb_az6027",
1178	.probe 		= az6027_usb_probe,
1179	.disconnect 	= az6027_usb_disconnect,
1180	.id_table 	= az6027_usb_table,
1181};
1182
1183module_usb_driver(az6027_usb_driver);
1184
1185MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
1186MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
1187MODULE_VERSION("1.0");
1188MODULE_LICENSE("GPL");
1189