Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
[sfrench/cifs-2.6.git] / drivers / media / dvb / ttpci / budget-av.c
1 /*
2  * budget-av.c: driver for the SAA7146 based Budget DVB cards
3  *              with analog video in
4  *
5  * Compiled from various sources by Michael Hunold <michael@mihu.de>
6  *
7  * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
8  *                               Andrew de Quincey <adq_dvb@lidskialf.net>
9  *
10  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
11  *
12  * Copyright (C) 1999-2002 Ralph  Metzler
13  *                       & Marcus Metzler for convergence integrated media GmbH
14  *
15  * This program is free software; you can redistribute it and/or
16  * modify it under the terms of the GNU General Public License
17  * as published by the Free Software Foundation; either version 2
18  * of the License, or (at your option) any later version.
19  *
20  *
21  * This program is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24  * GNU General Public License for more details.
25  *
26  *
27  * You should have received a copy of the GNU General Public License
28  * along with this program; if not, write to the Free Software
29  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
31  *
32  *
33  * the project's page is at http://www.linuxtv.org/dvb/
34  */
35
36 #include "budget.h"
37 #include "stv0299.h"
38 #include "tda10021.h"
39 #include "tda1004x.h"
40 #include <media/saa7146_vv.h>
41 #include <linux/module.h>
42 #include <linux/errno.h>
43 #include <linux/slab.h>
44 #include <linux/interrupt.h>
45 #include <linux/input.h>
46 #include <linux/spinlock.h>
47
48 #include "dvb_ca_en50221.h"
49
50 #define DEBICICAM               0x02420000
51
52 struct budget_av {
53         struct budget budget;
54         struct video_device *vd;
55         int cur_input;
56         int has_saa7113;
57         struct tasklet_struct ciintf_irq_tasklet;
58         int slot_status;
59         struct dvb_ca_en50221 ca;
60 };
61
62 /* GPIO CI Connections:
63  * 0 - Vcc/Reset (Reset is controlled by capacitor)
64  * 1 - Attribute Memory
65  * 2 - Card Enable (Active Low)
66  * 3 - Card Detect
67  */
68
69 /****************************************************************************
70  * INITIALIZATION
71  ****************************************************************************/
72
73 static u8 i2c_readreg(struct i2c_adapter *i2c, u8 id, u8 reg)
74 {
75         u8 mm1[] = { 0x00 };
76         u8 mm2[] = { 0x00 };
77         struct i2c_msg msgs[2];
78
79         msgs[0].flags = 0;
80         msgs[1].flags = I2C_M_RD;
81         msgs[0].addr = msgs[1].addr = id / 2;
82         mm1[0] = reg;
83         msgs[0].len = 1;
84         msgs[1].len = 1;
85         msgs[0].buf = mm1;
86         msgs[1].buf = mm2;
87
88         i2c_transfer(i2c, msgs, 2);
89
90         return mm2[0];
91 }
92
93 static int i2c_readregs(struct i2c_adapter *i2c, u8 id, u8 reg, u8 * buf, u8 len)
94 {
95         u8 mm1[] = { reg };
96         struct i2c_msg msgs[2] = {
97                 {.addr = id / 2,.flags = 0,.buf = mm1,.len = 1},
98                 {.addr = id / 2,.flags = I2C_M_RD,.buf = buf,.len = len}
99         };
100
101         if (i2c_transfer(i2c, msgs, 2) != 2)
102                 return -EIO;
103
104         return 0;
105 }
106
107 static int i2c_writereg(struct i2c_adapter *i2c, u8 id, u8 reg, u8 val)
108 {
109         u8 msg[2] = { reg, val };
110         struct i2c_msg msgs;
111
112         msgs.flags = 0;
113         msgs.addr = id / 2;
114         msgs.len = 2;
115         msgs.buf = msg;
116         return i2c_transfer(i2c, &msgs, 1);
117 }
118
119 static int ciintf_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address)
120 {
121         struct budget_av *budget_av = (struct budget_av *) ca->data;
122         int result;
123
124         if (slot != 0)
125                 return -EINVAL;
126
127         saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
128         udelay(1);
129
130         result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 0xfff, 1, 0, 0);
131
132         if (result == -ETIMEDOUT)
133                 budget_av->slot_status = 0;
134         return result;
135 }
136
137 static int ciintf_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value)
138 {
139         struct budget_av *budget_av = (struct budget_av *) ca->data;
140         int result;
141
142         if (slot != 0)
143                 return -EINVAL;
144
145         saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
146         udelay(1);
147
148         result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 0xfff, 1, value, 0, 0);
149
150         if (result == -ETIMEDOUT)
151                 budget_av->slot_status = 0;
152         return result;
153 }
154
155 static int ciintf_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address)
156 {
157         struct budget_av *budget_av = (struct budget_av *) ca->data;
158         int result;
159
160         if (slot != 0)
161                 return -EINVAL;
162
163         saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
164         udelay(1);
165
166         result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 3, 1, 0, 0);
167
168         if (result == -ETIMEDOUT)
169                 budget_av->slot_status = 0;
170         return result;
171 }
172
173 static int ciintf_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value)
174 {
175         struct budget_av *budget_av = (struct budget_av *) ca->data;
176         int result;
177
178         if (slot != 0)
179                 return -EINVAL;
180
181         saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
182         udelay(1);
183
184         result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 3, 1, value, 0, 0);
185
186         if (result == -ETIMEDOUT)
187                 budget_av->slot_status = 0;
188         return result;
189 }
190
191 static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
192 {
193         struct budget_av *budget_av = (struct budget_av *) ca->data;
194         struct saa7146_dev *saa = budget_av->budget.dev;
195         int timeout = 500; // 5 seconds (4.4.6 Ready)
196
197         if (slot != 0)
198                 return -EINVAL;
199
200         dprintk(1, "ciintf_slot_reset\n");
201
202         saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
203
204         saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
205         msleep(2);
206         saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); /* Vcc on */
207         msleep(20); /* 20 ms Vcc settling time */
208
209         saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */
210
211         /* This should have been based on pin 16 READY of the pcmcia port,
212          * but AFAICS it is not routed to the saa7146 */
213         while (--timeout > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d)
214                 msleep(100);
215
216         if (timeout <= 0)
217         {
218                 printk(KERN_ERR "budget-av: cam reset failed (timeout).\n");
219                 saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
220                 return -ETIMEDOUT;
221         }
222
223         return 0;
224 }
225
226 static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
227 {
228         struct budget_av *budget_av = (struct budget_av *) ca->data;
229         struct saa7146_dev *saa = budget_av->budget.dev;
230
231         if (slot != 0)
232                 return -EINVAL;
233
234         dprintk(1, "ciintf_slot_shutdown\n");
235
236         ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
237         budget_av->slot_status = 0;
238         return 0;
239 }
240
241 static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
242 {
243         struct budget_av *budget_av = (struct budget_av *) ca->data;
244         struct saa7146_dev *saa = budget_av->budget.dev;
245
246         if (slot != 0)
247                 return -EINVAL;
248
249         dprintk(1, "ciintf_slot_ts_enable: %d\n", budget_av->slot_status);
250
251         ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTA);
252         return 0;
253 }
254
255 static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
256 {
257         struct budget_av *budget_av = (struct budget_av *) ca->data;
258         struct saa7146_dev *saa = budget_av->budget.dev;
259
260         if (slot != 0)
261                 return -EINVAL;
262
263         if (!budget_av->slot_status) {
264                 saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
265                 udelay(1);
266                 if (saa7146_read(saa, PSR) & MASK_06)
267                 {
268                         printk(KERN_INFO "budget-av: cam inserted\n");
269                         budget_av->slot_status = 1;
270                 }
271                 saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
272         } else if (!open) {
273                 saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
274                 if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) == -ETIMEDOUT)
275                 {
276                         printk(KERN_INFO "budget-av: cam ejected\n");
277                         saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
278                         budget_av->slot_status = 0;
279                 }
280         }
281
282         if (budget_av->slot_status == 1)
283                 return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;
284
285         return 0;
286 }
287
288 static int ciintf_init(struct budget_av *budget_av)
289 {
290         struct saa7146_dev *saa = budget_av->budget.dev;
291         int result;
292
293         memset(&budget_av->ca, 0, sizeof(struct dvb_ca_en50221));
294
295         saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
296         saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTLO);
297         saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO);
298         saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
299
300         /* Enable DEBI pins */
301         saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800);
302
303         /* register CI interface */
304         budget_av->ca.owner = THIS_MODULE;
305         budget_av->ca.read_attribute_mem = ciintf_read_attribute_mem;
306         budget_av->ca.write_attribute_mem = ciintf_write_attribute_mem;
307         budget_av->ca.read_cam_control = ciintf_read_cam_control;
308         budget_av->ca.write_cam_control = ciintf_write_cam_control;
309         budget_av->ca.slot_reset = ciintf_slot_reset;
310         budget_av->ca.slot_shutdown = ciintf_slot_shutdown;
311         budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable;
312         budget_av->ca.poll_slot_status = ciintf_poll_slot_status;
313         budget_av->ca.data = budget_av;
314
315         if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter,
316                                           &budget_av->ca, 0, 1)) != 0) {
317                 printk(KERN_ERR "budget-av: ci initialisation failed.\n");
318                 goto error;
319         }
320
321         printk(KERN_INFO "budget-av: ci interface initialised.\n");
322         budget_av->budget.ci_present = 1;
323         return 0;
324
325 error:
326         saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16));
327         return result;
328 }
329
330 static void ciintf_deinit(struct budget_av *budget_av)
331 {
332         struct saa7146_dev *saa = budget_av->budget.dev;
333
334         saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT);
335         saa7146_setgpio(saa, 1, SAA7146_GPIO_INPUT);
336         saa7146_setgpio(saa, 2, SAA7146_GPIO_INPUT);
337         saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
338
339         /* release the CA device */
340         dvb_ca_en50221_release(&budget_av->ca);
341
342         /* disable DEBI pins */
343         saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16));
344 }
345
346
347 static const u8 saa7113_tab[] = {
348         0x01, 0x08,
349         0x02, 0xc0,
350         0x03, 0x33,
351         0x04, 0x00,
352         0x05, 0x00,
353         0x06, 0xeb,
354         0x07, 0xe0,
355         0x08, 0x28,
356         0x09, 0x00,
357         0x0a, 0x80,
358         0x0b, 0x47,
359         0x0c, 0x40,
360         0x0d, 0x00,
361         0x0e, 0x01,
362         0x0f, 0x44,
363
364         0x10, 0x08,
365         0x11, 0x0c,
366         0x12, 0x7b,
367         0x13, 0x00,
368         0x15, 0x00, 0x16, 0x00, 0x17, 0x00,
369
370         0x57, 0xff,
371         0x40, 0x82, 0x58, 0x00, 0x59, 0x54, 0x5a, 0x07,
372         0x5b, 0x83, 0x5e, 0x00,
373         0xff
374 };
375
376 static int saa7113_init(struct budget_av *budget_av)
377 {
378         struct budget *budget = &budget_av->budget;
379         struct saa7146_dev *saa = budget->dev;
380         const u8 *data = saa7113_tab;
381
382         saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
383         msleep(200);
384
385         if (i2c_writereg(&budget->i2c_adap, 0x4a, 0x01, 0x08) != 1) {
386                 dprintk(1, "saa7113 not found on KNC card\n");
387                 return -ENODEV;
388         }
389
390         dprintk(1, "saa7113 detected and initializing\n");
391
392         while (*data != 0xff) {
393                 i2c_writereg(&budget->i2c_adap, 0x4a, *data, *(data + 1));
394                 data += 2;
395         }
396
397         dprintk(1, "saa7113  status=%02x\n", i2c_readreg(&budget->i2c_adap, 0x4a, 0x1f));
398
399         return 0;
400 }
401
402 static int saa7113_setinput(struct budget_av *budget_av, int input)
403 {
404         struct budget *budget = &budget_av->budget;
405
406         if (1 != budget_av->has_saa7113)
407                 return -ENODEV;
408
409         if (input == 1) {
410                 i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc7);
411                 i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x80);
412         } else if (input == 0) {
413                 i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc0);
414                 i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x00);
415         } else
416                 return -EINVAL;
417
418         budget_av->cur_input = input;
419         return 0;
420 }
421
422
423 static int philips_su1278_ty_ci_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
424 {
425         u8 aclk = 0;
426         u8 bclk = 0;
427         u8 m1;
428
429         aclk = 0xb5;
430         if (srate < 2000000)
431                 bclk = 0x86;
432         else if (srate < 5000000)
433                 bclk = 0x89;
434         else if (srate < 15000000)
435                 bclk = 0x8f;
436         else if (srate < 45000000)
437                 bclk = 0x95;
438
439         m1 = 0x14;
440         if (srate < 4000000)
441                 m1 = 0x10;
442
443         stv0299_writereg(fe, 0x13, aclk);
444         stv0299_writereg(fe, 0x14, bclk);
445         stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
446         stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
447         stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
448         stv0299_writereg(fe, 0x0f, 0x80 | m1);
449
450         return 0;
451 }
452
453 static int philips_su1278_ty_ci_pll_set(struct dvb_frontend *fe,
454                                         struct i2c_adapter *i2c,
455                                         struct dvb_frontend_parameters *params)
456 {
457         u32 div;
458         u8 buf[4];
459         struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };
460
461         if ((params->frequency < 950000) || (params->frequency > 2150000))
462                 return -EINVAL;
463
464         div = (params->frequency + (125 - 1)) / 125;    // round correctly
465         buf[0] = (div >> 8) & 0x7f;
466         buf[1] = div & 0xff;
467         buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
468         buf[3] = 0x20;
469
470         if (params->u.qpsk.symbol_rate < 4000000)
471                 buf[3] |= 1;
472
473         if (params->frequency < 1250000)
474                 buf[3] |= 0;
475         else if (params->frequency < 1550000)
476                 buf[3] |= 0x40;
477         else if (params->frequency < 2050000)
478                 buf[3] |= 0x80;
479         else if (params->frequency < 2150000)
480                 buf[3] |= 0xC0;
481
482         if (i2c_transfer(i2c, &msg, 1) != 1)
483                 return -EIO;
484         return 0;
485 }
486
487 static u8 typhoon_cinergy1200s_inittab[] = {
488         0x01, 0x15,
489         0x02, 0x30,
490         0x03, 0x00,
491         0x04, 0x7d,             /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
492         0x05, 0x35,             /* I2CT = 0, SCLT = 1, SDAT = 1 */
493         0x06, 0x40,             /* DAC not used, set to high impendance mode */
494         0x07, 0x00,             /* DAC LSB */
495         0x08, 0x40,             /* DiSEqC off */
496         0x09, 0x00,             /* FIFO */
497         0x0c, 0x51,             /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
498         0x0d, 0x82,             /* DC offset compensation = ON, beta_agc1 = 2 */
499         0x0e, 0x23,             /* alpha_tmg = 2, beta_tmg = 3 */
500         0x10, 0x3f,             // AGC2  0x3d
501         0x11, 0x84,
502         0x12, 0xb9,
503         0x15, 0xc9,             // lock detector threshold
504         0x16, 0x00,
505         0x17, 0x00,
506         0x18, 0x00,
507         0x19, 0x00,
508         0x1a, 0x00,
509         0x1f, 0x50,
510         0x20, 0x00,
511         0x21, 0x00,
512         0x22, 0x00,
513         0x23, 0x00,
514         0x28, 0x00,             // out imp: normal  out type: parallel FEC mode:0
515         0x29, 0x1e,             // 1/2 threshold
516         0x2a, 0x14,             // 2/3 threshold
517         0x2b, 0x0f,             // 3/4 threshold
518         0x2c, 0x09,             // 5/6 threshold
519         0x2d, 0x05,             // 7/8 threshold
520         0x2e, 0x01,
521         0x31, 0x1f,             // test all FECs
522         0x32, 0x19,             // viterbi and synchro search
523         0x33, 0xfc,             // rs control
524         0x34, 0x93,             // error control
525         0x0f, 0x92,
526         0xff, 0xff
527 };
528
529 static struct stv0299_config typhoon_config = {
530         .demod_address = 0x68,
531         .inittab = typhoon_cinergy1200s_inittab,
532         .mclk = 88000000UL,
533         .invert = 0,
534         .skip_reinit = 0,
535         .lock_output = STV0229_LOCKOUTPUT_1,
536         .volt13_op0_op1 = STV0299_VOLT13_OP0,
537         .min_delay_ms = 100,
538         .set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
539         .pll_set = philips_su1278_ty_ci_pll_set,
540 };
541
542
543 static struct stv0299_config cinergy_1200s_config = {
544         .demod_address = 0x68,
545         .inittab = typhoon_cinergy1200s_inittab,
546         .mclk = 88000000UL,
547         .invert = 0,
548         .skip_reinit = 0,
549         .lock_output = STV0229_LOCKOUTPUT_0,
550         .volt13_op0_op1 = STV0299_VOLT13_OP0,
551         .min_delay_ms = 100,
552         .set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
553         .pll_set = philips_su1278_ty_ci_pll_set,
554 };
555
556
557 static int philips_cu1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
558 {
559         struct budget *budget = (struct budget *) fe->dvb->priv;
560         u8 buf[4];
561         struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = buf,.len = sizeof(buf) };
562
563 #define TUNER_MUL 62500
564
565         u32 div = (params->frequency + 36125000 + TUNER_MUL / 2) / TUNER_MUL;
566
567         buf[0] = (div >> 8) & 0x7f;
568         buf[1] = div & 0xff;
569         buf[2] = 0x86;
570         buf[3] = (params->frequency < 150000000 ? 0x01 :
571                   params->frequency < 445000000 ? 0x02 : 0x04);
572
573         if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
574                 return -EIO;
575         return 0;
576 }
577
578 static struct tda10021_config philips_cu1216_config = {
579         .demod_address = 0x0c,
580         .pll_set = philips_cu1216_pll_set,
581 };
582
583
584
585
586 static int philips_tu1216_pll_init(struct dvb_frontend *fe)
587 {
588         struct budget *budget = (struct budget *) fe->dvb->priv;
589         static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
590         struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tu1216_init,.len = sizeof(tu1216_init) };
591
592         // setup PLL configuration
593         if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
594                 return -EIO;
595         msleep(1);
596
597         return 0;
598 }
599
600 static int philips_tu1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
601 {
602         struct budget *budget = (struct budget *) fe->dvb->priv;
603         u8 tuner_buf[4];
604         struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tuner_buf,.len =
605                         sizeof(tuner_buf) };
606         int tuner_frequency = 0;
607         u8 band, cp, filter;
608
609         // determine charge pump
610         tuner_frequency = params->frequency + 36166000;
611         if (tuner_frequency < 87000000)
612                 return -EINVAL;
613         else if (tuner_frequency < 130000000)
614                 cp = 3;
615         else if (tuner_frequency < 160000000)
616                 cp = 5;
617         else if (tuner_frequency < 200000000)
618                 cp = 6;
619         else if (tuner_frequency < 290000000)
620                 cp = 3;
621         else if (tuner_frequency < 420000000)
622                 cp = 5;
623         else if (tuner_frequency < 480000000)
624                 cp = 6;
625         else if (tuner_frequency < 620000000)
626                 cp = 3;
627         else if (tuner_frequency < 830000000)
628                 cp = 5;
629         else if (tuner_frequency < 895000000)
630                 cp = 7;
631         else
632                 return -EINVAL;
633
634         // determine band
635         if (params->frequency < 49000000)
636                 return -EINVAL;
637         else if (params->frequency < 161000000)
638                 band = 1;
639         else if (params->frequency < 444000000)
640                 band = 2;
641         else if (params->frequency < 861000000)
642                 band = 4;
643         else
644                 return -EINVAL;
645
646         // setup PLL filter
647         switch (params->u.ofdm.bandwidth) {
648         case BANDWIDTH_6_MHZ:
649                 filter = 0;
650                 break;
651
652         case BANDWIDTH_7_MHZ:
653                 filter = 0;
654                 break;
655
656         case BANDWIDTH_8_MHZ:
657                 filter = 1;
658                 break;
659
660         default:
661                 return -EINVAL;
662         }
663
664         // calculate divisor
665         // ((36166000+((1000000/6)/2)) + Finput)/(1000000/6)
666         tuner_frequency = (((params->frequency / 1000) * 6) + 217496) / 1000;
667
668         // setup tuner buffer
669         tuner_buf[0] = (tuner_frequency >> 8) & 0x7f;
670         tuner_buf[1] = tuner_frequency & 0xff;
671         tuner_buf[2] = 0xca;
672         tuner_buf[3] = (cp << 5) | (filter << 3) | band;
673
674         if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
675                 return -EIO;
676
677         msleep(1);
678         return 0;
679 }
680
681 static int philips_tu1216_request_firmware(struct dvb_frontend *fe,
682                                            const struct firmware **fw, char *name)
683 {
684         struct budget *budget = (struct budget *) fe->dvb->priv;
685
686         return request_firmware(fw, name, &budget->dev->pci->dev);
687 }
688
689 static struct tda1004x_config philips_tu1216_config = {
690
691         .demod_address = 0x8,
692         .invert = 1,
693         .invert_oclk = 1,
694         .xtal_freq = TDA10046_XTAL_4M,
695         .agc_config = TDA10046_AGC_DEFAULT,
696         .if_freq = TDA10046_FREQ_3617,
697         .pll_init = philips_tu1216_pll_init,
698         .pll_set = philips_tu1216_pll_set,
699         .pll_sleep = NULL,
700         .request_firmware = philips_tu1216_request_firmware,
701 };
702
703
704
705
706 static u8 read_pwm(struct budget_av *budget_av)
707 {
708         u8 b = 0xff;
709         u8 pwm;
710         struct i2c_msg msg[] = { {.addr = 0x50,.flags = 0,.buf = &b,.len = 1},
711         {.addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1}
712         };
713
714         if ((i2c_transfer(&budget_av->budget.i2c_adap, msg, 2) != 2)
715             || (pwm == 0xff))
716                 pwm = 0x48;
717
718         return pwm;
719 }
720
721 #define SUBID_DVBS_KNC1         0x0010
722 #define SUBID_DVBS_KNC1_PLUS    0x0011
723 #define SUBID_DVBS_TYPHOON      0x4f56
724 #define SUBID_DVBS_CINERGY1200  0x1154
725
726 #define SUBID_DVBC_KNC1         0x0020
727 #define SUBID_DVBC_KNC1_PLUS    0x0021
728 #define SUBID_DVBC_CINERGY1200  0x1156
729
730 #define SUBID_DVBT_KNC1_PLUS    0x0031
731 #define SUBID_DVBT_KNC1         0x0030
732 #define SUBID_DVBT_CINERGY1200  0x1157
733
734 static void frontend_init(struct budget_av *budget_av)
735 {
736         struct saa7146_dev * saa = budget_av->budget.dev;
737         struct dvb_frontend * fe = NULL;
738
739         switch (saa->pci->subsystem_device) {
740                 case SUBID_DVBS_KNC1_PLUS:
741                 case SUBID_DVBC_KNC1_PLUS:
742                 case SUBID_DVBT_KNC1_PLUS:
743                         // Enable / PowerON Frontend
744                         saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
745                         saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTHI);
746                         break;
747         }
748
749         switch (saa->pci->subsystem_device) {
750
751         case SUBID_DVBS_KNC1:
752         case SUBID_DVBS_KNC1_PLUS:
753         case SUBID_DVBS_TYPHOON:
754                 fe = stv0299_attach(&typhoon_config,
755                                     &budget_av->budget.i2c_adap);
756                 break;
757
758         case SUBID_DVBS_CINERGY1200:
759                 fe = stv0299_attach(&cinergy_1200s_config,
760                                     &budget_av->budget.i2c_adap);
761                 break;
762
763         case SUBID_DVBC_KNC1:
764         case SUBID_DVBC_KNC1_PLUS:
765                 fe = tda10021_attach(&philips_cu1216_config,
766                                      &budget_av->budget.i2c_adap,
767                                      read_pwm(budget_av));
768                 break;
769
770         case SUBID_DVBT_KNC1:
771         case SUBID_DVBT_KNC1_PLUS:
772                 fe = tda10046_attach(&philips_tu1216_config,
773                                      &budget_av->budget.i2c_adap);
774                 break;
775
776         case SUBID_DVBC_CINERGY1200:
777                 fe = tda10021_attach(&philips_cu1216_config,
778                                      &budget_av->budget.i2c_adap,
779                                      read_pwm(budget_av));
780                 break;
781
782         case SUBID_DVBT_CINERGY1200:
783                 fe = tda10046_attach(&philips_tu1216_config,
784                                      &budget_av->budget.i2c_adap);
785                 break;
786         }
787
788         if (fe == NULL) {
789                 printk(KERN_ERR "budget-av: A frontend driver was not found "
790                                 "for device %04x/%04x subsystem %04x/%04x\n",
791                        saa->pci->vendor,
792                        saa->pci->device,
793                        saa->pci->subsystem_vendor,
794                        saa->pci->subsystem_device);
795                 return;
796         }
797
798         budget_av->budget.dvb_frontend = fe;
799
800         if (dvb_register_frontend(&budget_av->budget.dvb_adapter,
801                                   budget_av->budget.dvb_frontend)) {
802                 printk(KERN_ERR "budget-av: Frontend registration failed!\n");
803                 if (budget_av->budget.dvb_frontend->ops->release)
804                         budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend);
805                 budget_av->budget.dvb_frontend = NULL;
806         }
807 }
808
809
810 static void budget_av_irq(struct saa7146_dev *dev, u32 * isr)
811 {
812         struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
813
814         dprintk(8, "dev: %p, budget_av: %p\n", dev, budget_av);
815
816         if (*isr & MASK_10)
817                 ttpci_budget_irq10_handler(dev, isr);
818 }
819
820 static int budget_av_detach(struct saa7146_dev *dev)
821 {
822         struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
823         int err;
824
825         dprintk(2, "dev: %p\n", dev);
826
827         if (1 == budget_av->has_saa7113) {
828                 saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTLO);
829
830                 msleep(200);
831
832                 saa7146_unregister_device(&budget_av->vd, dev);
833         }
834
835         if (budget_av->budget.ci_present)
836                 ciintf_deinit(budget_av);
837
838         if (budget_av->budget.dvb_frontend != NULL)
839                 dvb_unregister_frontend(budget_av->budget.dvb_frontend);
840         err = ttpci_budget_deinit(&budget_av->budget);
841
842         kfree(budget_av);
843
844         return err;
845 }
846
847 static struct saa7146_ext_vv vv_data;
848
849 static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
850 {
851         struct budget_av *budget_av;
852         u8 *mac;
853         int err;
854
855         dprintk(2, "dev: %p\n", dev);
856
857         if (!(budget_av = kmalloc(sizeof(struct budget_av), GFP_KERNEL)))
858                 return -ENOMEM;
859
860         memset(budget_av, 0, sizeof(struct budget_av));
861
862         budget_av->has_saa7113 = 0;
863         budget_av->budget.ci_present = 0;
864
865         dev->ext_priv = budget_av;
866
867         if ((err = ttpci_budget_init(&budget_av->budget, dev, info, THIS_MODULE))) {
868                 kfree(budget_av);
869                 return err;
870         }
871
872         /* knc1 initialization */
873         saa7146_write(dev, DD1_STREAM_B, 0x04000000);
874         saa7146_write(dev, DD1_INIT, 0x07000600);
875         saa7146_write(dev, MC2, MASK_09 | MASK_25 | MASK_10 | MASK_26);
876
877         if (saa7113_init(budget_av) == 0) {
878                 budget_av->has_saa7113 = 1;
879
880                 if (0 != saa7146_vv_init(dev, &vv_data)) {
881                         /* fixme: proper cleanup here */
882                         ERR(("cannot init vv subsystem.\n"));
883                         return err;
884                 }
885
886                 if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_GRABBER))) {
887                         /* fixme: proper cleanup here */
888                         ERR(("cannot register capture v4l2 device.\n"));
889                         return err;
890                 }
891
892                 /* beware: this modifies dev->vv ... */
893                 saa7146_set_hps_source_and_sync(dev, SAA7146_HPS_SOURCE_PORT_A,
894                                                 SAA7146_HPS_SYNC_PORT_A);
895
896                 saa7113_setinput(budget_av, 0);
897         } else {
898                 ciintf_init(budget_av);
899         }
900
901         /* fixme: find some sane values here... */
902         saa7146_write(dev, PCI_BT_V1, 0x1c00101f);
903
904         mac = budget_av->budget.dvb_adapter.proposed_mac;
905         if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) {
906                 printk(KERN_ERR "KNC1-%d: Could not read MAC from KNC1 card\n",
907                        budget_av->budget.dvb_adapter.num);
908                 memset(mac, 0, 6);
909         } else {
910                 printk(KERN_INFO "KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
911                        budget_av->budget.dvb_adapter.num,
912                        mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
913         }
914
915         budget_av->budget.dvb_adapter.priv = budget_av;
916         frontend_init(budget_av);
917
918         return 0;
919 }
920
921 #define KNC1_INPUTS 2
922 static struct v4l2_input knc1_inputs[KNC1_INPUTS] = {
923         {0, "Composite", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
924         {1, "S-Video", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
925 };
926
927 static struct saa7146_extension_ioctls ioctls[] = {
928         {VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE},
929         {VIDIOC_G_INPUT, SAA7146_EXCLUSIVE},
930         {VIDIOC_S_INPUT, SAA7146_EXCLUSIVE},
931         {0, 0}
932 };
933
934 static int av_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
935 {
936         struct saa7146_dev *dev = fh->dev;
937         struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
938
939         switch (cmd) {
940         case VIDIOC_ENUMINPUT:{
941                 struct v4l2_input *i = arg;
942
943                 dprintk(1, "VIDIOC_ENUMINPUT %d.\n", i->index);
944                 if (i->index < 0 || i->index >= KNC1_INPUTS) {
945                         return -EINVAL;
946                 }
947                 memcpy(i, &knc1_inputs[i->index], sizeof(struct v4l2_input));
948                 return 0;
949         }
950         case VIDIOC_G_INPUT:{
951                 int *input = (int *) arg;
952
953                 *input = budget_av->cur_input;
954
955                 dprintk(1, "VIDIOC_G_INPUT %d.\n", *input);
956                 return 0;
957         }
958         case VIDIOC_S_INPUT:{
959                 int input = *(int *) arg;
960                 dprintk(1, "VIDIOC_S_INPUT %d.\n", input);
961                 return saa7113_setinput(budget_av, input);
962         }
963         default:
964                 return -ENOIOCTLCMD;
965         }
966         return 0;
967 }
968
969 static struct saa7146_standard standard[] = {
970         {.name = "PAL",.id = V4L2_STD_PAL,
971          .v_offset = 0x17,.v_field = 288,
972          .h_offset = 0x14,.h_pixels = 680,
973          .v_max_out = 576,.h_max_out = 768 },
974
975         {.name = "NTSC",.id = V4L2_STD_NTSC,
976          .v_offset = 0x16,.v_field = 240,
977          .h_offset = 0x06,.h_pixels = 708,
978          .v_max_out = 480,.h_max_out = 640, },
979 };
980
981 static struct saa7146_ext_vv vv_data = {
982         .inputs = 2,
983         .capabilities = 0,      // perhaps later: V4L2_CAP_VBI_CAPTURE, but that need tweaking with the saa7113
984         .flags = 0,
985         .stds = &standard[0],
986         .num_stds = sizeof(standard) / sizeof(struct saa7146_standard),
987         .ioctls = &ioctls[0],
988         .ioctl = av_ioctl,
989 };
990
991 static struct saa7146_extension budget_extension;
992
993 MAKE_BUDGET_INFO(knc1s, "KNC1 DVB-S", BUDGET_KNC1S);
994 MAKE_BUDGET_INFO(knc1c, "KNC1 DVB-C", BUDGET_KNC1C);
995 MAKE_BUDGET_INFO(knc1t, "KNC1 DVB-T", BUDGET_KNC1T);
996 MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP);
997 MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP);
998 MAKE_BUDGET_INFO(knc1tp, "KNC1 DVB-T Plus", BUDGET_KNC1TP);
999 MAKE_BUDGET_INFO(cin1200s, "TerraTec Cinergy 1200 DVB-S", BUDGET_CIN1200S);
1000 MAKE_BUDGET_INFO(cin1200c, "Terratec Cinergy 1200 DVB-C", BUDGET_CIN1200C);
1001 MAKE_BUDGET_INFO(cin1200t, "Terratec Cinergy 1200 DVB-T", BUDGET_CIN1200T);
1002
1003 static struct pci_device_id pci_tbl[] = {
1004         MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x4f56),
1005         MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x0010),
1006         MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
1007         MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
1008         MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),
1009         MAKE_EXTENSION_PCI(knc1t, 0x1894, 0x0030),
1010         MAKE_EXTENSION_PCI(knc1tp, 0x1894, 0x0031),
1011         MAKE_EXTENSION_PCI(cin1200s, 0x153b, 0x1154),
1012         MAKE_EXTENSION_PCI(cin1200c, 0x153b, 0x1156),
1013         MAKE_EXTENSION_PCI(cin1200t, 0x153b, 0x1157),
1014         {
1015          .vendor = 0,
1016         }
1017 };
1018
1019 MODULE_DEVICE_TABLE(pci, pci_tbl);
1020
1021 static struct saa7146_extension budget_extension = {
1022         .name = "budget_av",
1023         .flags = SAA7146_I2C_SHORT_DELAY,
1024
1025         .pci_tbl = pci_tbl,
1026
1027         .module = THIS_MODULE,
1028         .attach = budget_av_attach,
1029         .detach = budget_av_detach,
1030
1031         .irq_mask = MASK_10,
1032         .irq_func = budget_av_irq,
1033 };
1034
1035 static int __init budget_av_init(void)
1036 {
1037         return saa7146_register_extension(&budget_extension);
1038 }
1039
1040 static void __exit budget_av_exit(void)
1041 {
1042         saa7146_unregister_extension(&budget_extension);
1043 }
1044
1045 module_init(budget_av_init);
1046 module_exit(budget_av_exit);
1047
1048 MODULE_LICENSE("GPL");
1049 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
1050 MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
1051                    "budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");