1 /* $NetBSD: cxdtv.c,v 1.21 2023/05/10 00:11:32 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 2008, 2011 Jonathan A. Kollasch
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: cxdtv.c,v 1.21 2023/05/10 00:11:32 riastradh Exp $");
31
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/device.h>
35 #include <sys/kmem.h>
36 #include <sys/mutex.h>
37 #include <sys/proc.h>
38 #include <sys/module.h>
39 #include <sys/bus.h>
40
41 #include <dev/pci/pcivar.h>
42 #include <dev/pci/pcireg.h>
43 #include <dev/pci/pcidevs.h>
44 #include <dev/i2c/i2cvar.h>
45 #include <dev/i2c/i2c_bitbang.h>
46
47 #include <dev/i2c/tvpllvar.h>
48 #include <dev/i2c/tvpll_tuners.h>
49
50 #include <dev/i2c/nxt2kvar.h>
51 #include <dev/i2c/lg3303var.h>
52
53 #include <dev/dtv/dtvif.h>
54
55 #include <dev/pci/cxdtvreg.h>
56 #include <dev/pci/cxdtvvar.h>
57 #include <dev/pci/cxdtv_boards.h>
58
59 #define CXDTV_MMBASE 0x10
60
61 #define CXDTV_SRAM_CH_MPEG 0
62 #define CXDTV_TS_PKTSIZE (188 * 8)
63
64 static int cxdtv_match(device_t, cfdata_t, void *);
65 static void cxdtv_attach(device_t, device_t, void *);
66 static int cxdtv_detach(device_t, int);
67 static int cxdtv_rescan(device_t, const char *, const int *);
68 static void cxdtv_childdet(device_t, device_t);
69 static int cxdtv_intr(void *);
70
71 static bool cxdtv_resume(device_t, const pmf_qual_t *);
72
73 static int cxdtv_iic_send_start(void *, int);
74 static int cxdtv_iic_send_stop(void *, int);
75 static int cxdtv_iic_initiate_xfer(void *, i2c_addr_t, int);
76 static int cxdtv_iic_read_byte(void *, uint8_t *, int);
77 static int cxdtv_iic_write_byte(void *, uint8_t, int);
78
79 static void cxdtv_i2cbb_set_bits(void *, uint32_t);
80 static void cxdtv_i2cbb_set_dir(void *, uint32_t);
81 static uint32_t cxdtv_i2cbb_read_bits(void *);
82
83 static int cxdtv_sram_ch_setup(struct cxdtv_softc *,
84 struct cxdtv_sram_ch *, uint32_t);
85 static int cxdtv_allocmem(struct cxdtv_softc *, size_t, size_t,
86 struct cxdtv_dma *);
87 static int cxdtv_freemem(struct cxdtv_softc *, struct cxdtv_dma *);
88 static int cxdtv_risc_buffer(struct cxdtv_softc *, uint32_t, uint32_t);
89 static int cxdtv_risc_field(struct cxdtv_softc *, uint32_t *, uint32_t);
90
91 static int cxdtv_mpeg_attach(struct cxdtv_softc *);
92 static void cxdtv_mpeg_detach(struct cxdtv_softc *, int flags);
93 static int cxdtv_mpeg_intr(struct cxdtv_softc *);
94 static int cxdtv_mpeg_reset(struct cxdtv_softc *);
95
96 static int cxdtv_mpeg_trigger(struct cxdtv_softc *, void *);
97 static int cxdtv_mpeg_halt(struct cxdtv_softc *);
98 static void * cxdtv_mpeg_malloc(struct cxdtv_softc *, size_t);
99 static void cxdtv_mpeg_free(struct cxdtv_softc *, void *);
100
101 static void cxdtv_card_init_hd5500(struct cxdtv_softc *);
102 static void cxdtv_card_init_hdtvwonder(struct cxdtv_softc *);
103
104 /* MPEG TS Port */
105 static void cxdtv_dtv_get_devinfo(void *, struct dvb_frontend_info *);
106 static int cxdtv_dtv_open(void *, int);
107 static void cxdtv_dtv_close(void *);
108 static int cxdtv_dtv_set_tuner(void *, const struct dvb_frontend_parameters *);
109 static fe_status_t cxdtv_dtv_get_status(void *);
110 static uint16_t cxdtv_dtv_get_signal_strength(void *);
111 static uint16_t cxdtv_dtv_get_snr(void *);
112 static int cxdtv_dtv_start_transfer(void *,
113 void (*)(void *, const struct dtv_payload *), void *);
114 static int cxdtv_dtv_stop_transfer(void *);
115
116 static const struct dtv_hw_if cxdtv_dtv_if = {
117 .get_devinfo = cxdtv_dtv_get_devinfo,
118 .open = cxdtv_dtv_open,
119 .close = cxdtv_dtv_close,
120 .set_tuner = cxdtv_dtv_set_tuner,
121 .get_status = cxdtv_dtv_get_status,
122 .get_signal_strength = cxdtv_dtv_get_signal_strength,
123 .get_snr = cxdtv_dtv_get_snr,
124 .start_transfer = cxdtv_dtv_start_transfer,
125 .stop_transfer = cxdtv_dtv_stop_transfer,
126 };
127
128 const struct i2c_bitbang_ops cxdtv_i2cbb_ops = {
129 cxdtv_i2cbb_set_bits,
130 cxdtv_i2cbb_set_dir,
131 cxdtv_i2cbb_read_bits,
132 { CXDTV_I2C_C_DATACONTROL_SDA, CXDTV_I2C_C_DATACONTROL_SCL, 0, 0 }
133 };
134
135 /* Maybe make this dynamically allocated. */
136 static struct cxdtv_sram_ch cxdtv_sram_chs[] = {
137 [CXDTV_SRAM_CH_MPEG] = {
138 .csc_cmds = 0x180200, /* CMDS for ch. 28 */
139 .csc_iq = 0x180340, /* after last CMDS */
140 .csc_iqsz = 0x40, /* 16 dwords */
141 .csc_cdt = 0x180380, /* after iq */
142 .csc_cdtsz = 0x40, /* cluster discriptor space */
143 .csc_fifo = 0x180400, /* after cdt */
144 .csc_fifosz = 0x001C00, /* let's just align this up */
145 .csc_risc = 0x182000, /* after fifo */
146 .csc_riscsz = 0x6000, /* room for dma programs */
147 .csc_ptr1 = CXDTV_DMA28_PTR1,
148 .csc_ptr2 = CXDTV_DMA28_PTR2,
149 .csc_cnt1 = CXDTV_DMA28_CNT1,
150 .csc_cnt2 = CXDTV_DMA28_CNT2,
151 },
152 };
153
154 CFATTACH_DECL2_NEW(cxdtv, sizeof(struct cxdtv_softc),
155 cxdtv_match, cxdtv_attach, cxdtv_detach, NULL,
156 cxdtv_rescan, cxdtv_childdet);
157
158 static int
cxdtv_match(device_t parent,cfdata_t match,void * aux)159 cxdtv_match(device_t parent, cfdata_t match, void *aux)
160 {
161 const struct pci_attach_args *pa;
162 pcireg_t reg;
163
164 pa = aux;
165
166 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_CONEXANT)
167 return 0;
168
169 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_CONEXANT_CX2388XMPEG)
170 return 0;
171
172 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
173 if (cxdtv_board_lookup(PCI_VENDOR(reg), PCI_PRODUCT(reg)) == NULL)
174 return 0;
175
176 return 1;
177 }
178
179 static void
cxdtv_attach(device_t parent,device_t self,void * aux)180 cxdtv_attach(device_t parent, device_t self, void *aux)
181 {
182 struct cxdtv_softc *sc;
183 const struct pci_attach_args *pa = aux;
184 pci_intr_handle_t ih;
185 pcireg_t reg;
186 const char *intrstr;
187 struct i2cbus_attach_args iba;
188 char intrbuf[PCI_INTRSTR_LEN];
189
190 sc = device_private(self);
191
192 sc->sc_dev = self;
193 sc->sc_pc = pa->pa_pc;
194
195 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
196
197 sc->sc_vendor = PCI_VENDOR(reg);
198 sc->sc_product = PCI_PRODUCT(reg);
199
200 sc->sc_board = cxdtv_board_lookup(sc->sc_vendor, sc->sc_product);
201 KASSERT(sc->sc_board != NULL);
202
203 pci_aprint_devinfo(pa, NULL);
204
205 if (pci_mapreg_map(pa, CXDTV_MMBASE, PCI_MAPREG_TYPE_MEM, 0,
206 &sc->sc_memt, &sc->sc_memh, NULL, &sc->sc_mems)) {
207 aprint_error_dev(self, "couldn't map memory space\n");
208 return;
209 }
210
211 sc->sc_dmat = pa->pa_dmat;
212
213 if (pci_intr_map(pa, &ih)) {
214 aprint_error_dev(self, "couldn't map interrupt\n");
215 return;
216 }
217 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
218 sc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_VM, cxdtv_intr,
219 sc, device_xname(self));
220 if (sc->sc_ih == NULL) {
221 aprint_error_dev(self, "couldn't establish interrupt");
222 if (intrstr != NULL)
223 aprint_error(" at %s", intrstr);
224 aprint_error("\n");
225 return;
226 }
227 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
228
229 /* set master */
230 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
231 reg |= PCI_COMMAND_MASTER_ENABLE;
232 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
233
234 iic_tag_init(&sc->sc_i2c);
235 sc->sc_i2c.ic_cookie = sc;
236 sc->sc_i2c.ic_send_start = cxdtv_iic_send_start;
237 sc->sc_i2c.ic_send_stop = cxdtv_iic_send_stop;
238 sc->sc_i2c.ic_initiate_xfer = cxdtv_iic_initiate_xfer;
239 sc->sc_i2c.ic_read_byte = cxdtv_iic_read_byte;
240 sc->sc_i2c.ic_write_byte = cxdtv_iic_write_byte;
241
242 #if notyet
243 /* enable i2c compatible software mode */
244 val = bus_space_read_4(sc->sc_memt, sc->sc_memh,
245 CXDTV_I2C_C_DATACONTROL);
246 val = CXDTV_I2C_C_DATACONTROL_SCL | CXDTV_I2C_C_DATACONTROL_SDA;
247 bus_space_write_4(sc->sc_memt, sc->sc_memh,
248 CXDTV_I2C_C_DATACONTROL, val);
249 #endif
250
251 cxdtv_mpeg_attach(sc);
252
253 /* attach other devices to iic(4) */
254 memset(&iba, 0, sizeof(iba));
255 iba.iba_tag = &sc->sc_i2c;
256 config_found(self, &iba, iicbus_print,
257 CFARGS(.iattr = "i2cbus"));
258
259 if (!pmf_device_register(self, NULL, cxdtv_resume))
260 aprint_error_dev(self, "couldn't establish power handler\n");
261
262 return;
263 }
264
265 static int
cxdtv_detach(device_t self,int flags)266 cxdtv_detach(device_t self, int flags)
267 {
268 struct cxdtv_softc *sc = device_private(self);
269 int error;
270
271 error = config_detach_children(self, flags);
272 if (error)
273 return error;
274
275 cxdtv_mpeg_detach(sc, flags);
276
277 if (sc->sc_ih)
278 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
279
280 if (sc->sc_mems)
281 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_mems);
282
283 iic_tag_fini(&sc->sc_i2c);
284
285 return 0;
286 }
287
288 static int
cxdtv_rescan(device_t self,const char * ifattr,const int * locs)289 cxdtv_rescan(device_t self, const char *ifattr, const int *locs)
290 {
291 struct cxdtv_softc *sc = device_private(self);
292 struct dtv_attach_args daa;
293
294 daa.hw = &cxdtv_dtv_if;
295 daa.priv = sc;
296
297 if (ifattr_match(ifattr, "dtvbus") && sc->sc_dtvdev == NULL)
298 sc->sc_dtvdev = config_found(sc->sc_dev, &daa, dtv_print,
299 CFARGS(.iattr = "dtvbus"));
300
301 return 0;
302 }
303
304 static void
cxdtv_childdet(device_t self,device_t child)305 cxdtv_childdet(device_t self, device_t child)
306 {
307 struct cxdtv_softc *sc = device_private(self);
308
309 if (child == sc->sc_dtvdev)
310 sc->sc_dtvdev = NULL;
311 }
312
313 static bool
cxdtv_resume(device_t dv,const pmf_qual_t * qual)314 cxdtv_resume(device_t dv, const pmf_qual_t *qual)
315 {
316 /* XXX revisit */
317
318 aprint_debug_dev(dv, "%s\n", __func__);
319
320 return true;
321 }
322
323 static int
cxdtv_intr(void * intarg)324 cxdtv_intr(void *intarg)
325 {
326 struct cxdtv_softc *sc = intarg;
327 uint32_t val;
328
329 val = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MSTAT);
330 if (val == 0) {
331 return 0; /* not ours */
332 }
333
334 if (val & CXT_PI_TS_INT) {
335 cxdtv_mpeg_intr(sc);
336 }
337
338 if (val & ~CXT_PI_TS_INT) {
339 device_printf(sc->sc_dev, "%s, %08x\n", __func__, val);
340 }
341
342 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_STAT, val);
343
344 return 1;
345 }
346
347 /* I2C interface */
348
349 static void
cxdtv_i2cbb_set_bits(void * cookie,uint32_t bits)350 cxdtv_i2cbb_set_bits(void *cookie, uint32_t bits)
351 {
352 struct cxdtv_softc *sc = cookie;
353
354 bus_space_write_4(sc->sc_memt, sc->sc_memh,
355 CXDTV_I2C_C_DATACONTROL, bits);
356 (void)bus_space_read_4(sc->sc_memt, sc->sc_memh,
357 CXDTV_I2C_C_DATACONTROL);
358
359 return;
360 }
361
362 static void
cxdtv_i2cbb_set_dir(void * cookie,uint32_t bits)363 cxdtv_i2cbb_set_dir(void *cookie, uint32_t bits)
364 {
365 return;
366 }
367
368 static uint32_t
cxdtv_i2cbb_read_bits(void * cookie)369 cxdtv_i2cbb_read_bits(void *cookie)
370 {
371 struct cxdtv_softc *sc = cookie;
372 uint32_t value;
373
374 value = bus_space_read_4(sc->sc_memt, sc->sc_memh,
375 CXDTV_I2C_C_DATACONTROL);
376
377 return value;
378 }
379
380 static int
cxdtv_iic_send_start(void * cookie,int flags)381 cxdtv_iic_send_start(void *cookie, int flags)
382 {
383 return i2c_bitbang_send_start(cookie, flags, &cxdtv_i2cbb_ops);
384 }
385
386 static int
cxdtv_iic_send_stop(void * cookie,int flags)387 cxdtv_iic_send_stop(void *cookie, int flags)
388 {
389 return i2c_bitbang_send_stop(cookie, flags, &cxdtv_i2cbb_ops);
390 }
391
392 static int
cxdtv_iic_initiate_xfer(void * cookie,i2c_addr_t addr,int flags)393 cxdtv_iic_initiate_xfer(void *cookie, i2c_addr_t addr, int flags)
394 {
395 return i2c_bitbang_initiate_xfer(cookie, addr, flags, &cxdtv_i2cbb_ops);
396 }
397
398 static int
cxdtv_iic_read_byte(void * cookie,uint8_t * data,int flags)399 cxdtv_iic_read_byte(void *cookie, uint8_t *data, int flags)
400 {
401 return i2c_bitbang_read_byte(cookie, data, flags, &cxdtv_i2cbb_ops);
402 }
403
404 static int
cxdtv_iic_write_byte(void * cookie,uint8_t data,int flags)405 cxdtv_iic_write_byte(void *cookie, uint8_t data, int flags)
406 {
407 return i2c_bitbang_write_byte(cookie, data, flags, &cxdtv_i2cbb_ops);
408 }
409
410 int
cxdtv_mpeg_attach(struct cxdtv_softc * sc)411 cxdtv_mpeg_attach(struct cxdtv_softc *sc)
412 {
413 struct cxdtv_sram_ch *ch;
414
415 CX_DPRINTF(("cxdtv_mpeg_attach\n"));
416
417 ch = &cxdtv_sram_chs[CXDTV_SRAM_CH_MPEG];
418
419 sc->sc_riscbufsz = ch->csc_riscsz;
420 sc->sc_riscbuf = kmem_alloc(ch->csc_riscsz, KM_SLEEP);
421
422 aprint_debug_dev(sc->sc_dev, "attaching frontend...\n");
423
424 switch(sc->sc_vendor) {
425 case PCI_VENDOR_ATI:
426 cxdtv_card_init_hdtvwonder(sc);
427 break;
428 case PCI_VENDOR_PCHDTV:
429 if (sc->sc_product == PCI_PRODUCT_PCHDTV_HD5500) {
430 cxdtv_card_init_hd5500(sc);
431 }
432 break;
433 }
434
435 KASSERT(sc->sc_tuner == NULL);
436 KASSERT(sc->sc_demod == NULL);
437
438 switch(sc->sc_board->cb_demod) {
439 case CXDTV_DEMOD_NXT2004:
440 sc->sc_demod = nxt2k_open(sc->sc_dev, &sc->sc_i2c, 0x0a, 0);
441 break;
442 case CXDTV_DEMOD_LG3303:
443 sc->sc_demod = lg3303_open(sc->sc_dev, &sc->sc_i2c, 0x59,
444 LG3303_CFG_SERIAL_INPUT);
445 break;
446 default:
447 break;
448 }
449
450 switch(sc->sc_board->cb_tuner) {
451 case CXDTV_TUNER_PLL:
452 if (sc->sc_vendor == PCI_VENDOR_ATI)
453 sc->sc_tuner = tvpll_open(sc->sc_dev, &sc->sc_i2c, 0x61, &tvpll_tuv1236d_pll);
454 if (sc->sc_vendor == PCI_VENDOR_PCHDTV)
455 sc->sc_tuner = tvpll_open(sc->sc_dev, &sc->sc_i2c, 0x61, &tvpll_tdvs_h06xf_pll);
456 break;
457 default:
458 break;
459 }
460
461 KASSERT(sc->sc_tuner != NULL);
462 KASSERT(sc->sc_demod != NULL);
463
464 cxdtv_rescan(sc->sc_dev, NULL, NULL);
465
466 return (sc->sc_dtvdev != NULL);
467 }
468
469 void
cxdtv_mpeg_detach(struct cxdtv_softc * sc,int flags)470 cxdtv_mpeg_detach(struct cxdtv_softc *sc, int flags)
471 {
472
473 if (sc->sc_demod) {
474 switch (sc->sc_board->cb_demod) {
475 case CXDTV_DEMOD_NXT2004:
476 nxt2k_close(sc->sc_demod);
477 break;
478 case CXDTV_DEMOD_LG3303:
479 lg3303_close(sc->sc_demod);
480 break;
481 default:
482 break;
483 }
484 sc->sc_demod = NULL;
485 }
486 if (sc->sc_tuner) {
487 switch (sc->sc_board->cb_tuner) {
488 case CXDTV_TUNER_PLL:
489 tvpll_close(sc->sc_tuner);
490 break;
491 default:
492 break;
493 }
494 sc->sc_tuner = NULL;
495 }
496
497 if (sc->sc_riscbuf) {
498 kmem_free(sc->sc_riscbuf, sc->sc_riscbufsz);
499 sc->sc_riscbuf = NULL;
500 sc->sc_riscbufsz = 0;
501 }
502 }
503
504 static void
cxdtv_dtv_get_devinfo(void * priv,struct dvb_frontend_info * info)505 cxdtv_dtv_get_devinfo(void *priv, struct dvb_frontend_info *info)
506 {
507 memset(info, 0, sizeof(*info));
508 strlcpy(info->name, "CX23880", sizeof(info->name));
509 info->type = FE_ATSC;
510 info->frequency_min = 54000000;
511 info->frequency_max = 858000000;
512 info->frequency_stepsize = 62500;
513 info->caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB;
514 }
515
516 static int
cxdtv_dtv_open(void * priv,int flags)517 cxdtv_dtv_open(void *priv, int flags)
518 {
519 struct cxdtv_softc *sc = priv;
520
521 KASSERT(sc->sc_tsbuf == NULL);
522
523 cxdtv_mpeg_reset(sc);
524
525 /* allocate two alternating DMA areas for MPEG TS packets */
526 sc->sc_tsbuf = cxdtv_mpeg_malloc(sc, CXDTV_TS_PKTSIZE * 2);
527
528 if (sc->sc_tsbuf == NULL)
529 return ENOMEM;
530
531 return 0;
532 }
533
534 static void
cxdtv_dtv_close(void * priv)535 cxdtv_dtv_close(void *priv)
536 {
537 struct cxdtv_softc *sc = priv;
538
539 cxdtv_dtv_stop_transfer(sc);
540
541 if (sc->sc_tsbuf != NULL) {
542 cxdtv_mpeg_free(sc, sc->sc_tsbuf);
543 sc->sc_tsbuf = NULL;
544 }
545 }
546
547 static int
cxdtv_dtv_set_tuner(void * priv,const struct dvb_frontend_parameters * params)548 cxdtv_dtv_set_tuner(void *priv, const struct dvb_frontend_parameters *params)
549 {
550 struct cxdtv_softc *sc = priv;
551 int error = -1;
552
553 switch(sc->sc_board->cb_tuner) {
554 case CXDTV_TUNER_PLL:
555 error = tvpll_tune_dtv(sc->sc_tuner, params);
556 }
557 if (error)
558 goto bad;
559
560 switch(sc->sc_board->cb_demod) {
561 case CXDTV_DEMOD_NXT2004:
562 error = nxt2k_set_modulation(sc->sc_demod, params->u.vsb.modulation);
563 break;
564 case CXDTV_DEMOD_LG3303:
565 error = lg3303_set_modulation(sc->sc_demod, params->u.vsb.modulation);
566 break;
567 default:
568 break;
569 }
570
571 bad:
572 return error;
573 }
574
575 static fe_status_t
cxdtv_dtv_get_status(void * priv)576 cxdtv_dtv_get_status(void *priv)
577 {
578 struct cxdtv_softc *sc = priv;
579
580 switch(sc->sc_board->cb_demod) {
581 case CXDTV_DEMOD_NXT2004:
582 return nxt2k_get_dtv_status(sc->sc_demod);
583 case CXDTV_DEMOD_LG3303:
584 return lg3303_get_dtv_status(sc->sc_demod);
585 default:
586 return 0;
587 }
588 }
589
590 static uint16_t
cxdtv_dtv_get_signal_strength(void * priv)591 cxdtv_dtv_get_signal_strength(void *priv)
592 {
593 struct cxdtv_softc *sc = priv;
594
595 switch(sc->sc_board->cb_demod) {
596 case CXDTV_DEMOD_NXT2004:
597 return 0; /* TODO */
598 case CXDTV_DEMOD_LG3303:
599 return lg3303_get_signal_strength(sc->sc_demod);
600 }
601
602 return 0;
603 }
604
605 static uint16_t
cxdtv_dtv_get_snr(void * priv)606 cxdtv_dtv_get_snr(void *priv)
607 {
608 struct cxdtv_softc *sc = priv;
609
610 switch(sc->sc_board->cb_demod) {
611 case CXDTV_DEMOD_NXT2004:
612 return 0; /* TODO */
613 case CXDTV_DEMOD_LG3303:
614 return lg3303_get_snr(sc->sc_demod);
615 }
616
617 return 0;
618 }
619
620 static int
cxdtv_dtv_start_transfer(void * priv,void (* cb)(void *,const struct dtv_payload *),void * arg)621 cxdtv_dtv_start_transfer(void *priv,
622 void (*cb)(void *, const struct dtv_payload *), void *arg)
623 {
624 struct cxdtv_softc *sc = priv;
625
626 sc->sc_dtvsubmitcb = cb;
627 sc->sc_dtvsubmitarg = arg;
628
629 /* allocate two alternating DMA areas for MPEG TS packets */
630 sc->sc_tsbuf = cxdtv_mpeg_malloc(sc, CXDTV_TS_PKTSIZE * 2);
631
632 cxdtv_mpeg_trigger(sc, sc->sc_tsbuf);
633
634 return 0;
635 }
636
637 static int
cxdtv_dtv_stop_transfer(void * priv)638 cxdtv_dtv_stop_transfer(void *priv)
639 {
640 struct cxdtv_softc *sc = priv;
641
642 cxdtv_mpeg_halt(sc);
643 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK, 0);
644
645 sc->sc_dtvsubmitcb = NULL;
646 sc->sc_dtvsubmitarg = NULL;
647
648 return 0;
649 }
650
651 int
cxdtv_mpeg_reset(struct cxdtv_softc * sc)652 cxdtv_mpeg_reset(struct cxdtv_softc *sc)
653 {
654 uint32_t v;
655
656 CX_DPRINTF(("cxdtv_mpeg_reset\n"));
657
658 v = (uint32_t)-1;
659
660 /* shutdown */
661 /* hold RISC in reset */
662 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_DEV_CNTRL2, 0);
663 /* disable FIFO and RISC */
664 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_DMA_CNTRL, 0);
665 /* mask off all interrupts */
666 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK, 0);
667 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK, 0);
668
669 /* clear interrupts */
670 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_STAT, v);
671 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_STAT, v);
672
673 memset(sc->sc_riscbuf, 0, sc->sc_riscbufsz);
674
675 /* XXX magic */
676 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PDMA_STHRSH, 0x0707);
677 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PDMA_DTHRSH, 0x0707);
678
679 /* reset external components*/
680 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_SRST_IO, 0);
681 kpause("cxdtvrst", false, MAX(1, mstohz(1)), NULL);
682 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_SRST_IO, 1);
683
684 /* let error interrupts happen */
685 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK);
686 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK,
687 v | 0x00fc00); /* XXX magic */
688
689 return 0;
690 }
691
692 static int
cxdtv_risc_buffer(struct cxdtv_softc * sc,uint32_t bpl,uint32_t lines)693 cxdtv_risc_buffer(struct cxdtv_softc *sc, uint32_t bpl, uint32_t lines)
694 {
695 uint32_t *rm;
696 uint32_t size;
697
698 CX_DPRINTF(("cxdtv_risc_buffer: bpl=0x%x\n", bpl));
699
700 size = 1 + (bpl * lines) / PAGE_SIZE + lines;
701 size += 2;
702
703 device_printf(sc->sc_dev, "%s: est. inst. %d\n", __func__, size);
704
705 size *= 8;
706 device_printf(sc->sc_dev, "%s: est. qword %d\n", __func__, size);
707
708 if (sc->sc_riscbuf == NULL) {
709 device_printf(sc->sc_dev, "not enough memory for RISC\n");
710 return ENOMEM;
711 }
712
713 rm = (uint32_t *)sc->sc_riscbuf;
714 cxdtv_risc_field(sc, rm, bpl);
715
716 return 0;
717 }
718
719 static int
cxdtv_risc_field(struct cxdtv_softc * sc,uint32_t * rm,uint32_t bpl)720 cxdtv_risc_field(struct cxdtv_softc *sc, uint32_t *rm, uint32_t bpl)
721 {
722 struct cxdtv_dma *p;
723
724 CX_DPRINTF(("cxdtv_risc_field: bpl=0x%x\n", bpl));
725
726 for (p = sc->sc_dma; p && KERNADDR(p) != sc->sc_tsbuf; p = p->next)
727 continue;
728 if (p == NULL) {
729 device_printf(sc->sc_dev, "cxdtv_risc_field: bad addr %p\n",
730 sc->sc_tsbuf);
731 return ENOENT;
732 }
733
734 memset(sc->sc_riscbuf, 0, sc->sc_riscbufsz);
735
736 rm = sc->sc_riscbuf;
737
738 /* htole32 will be done when program is copied to chip SRAM */
739
740 /* XXX */
741 *(rm++) = (CX_RISC_SYNC|0);
742
743 *(rm++) = (CX_RISC_WRITE|CX_RISC_SOL|CX_RISC_EOL|CX_RISC_IRQ1|bpl);
744 *(rm++) = (DMAADDR(p) + 0 * bpl);
745
746 *(rm++) = (CX_RISC_WRITE|CX_RISC_SOL|CX_RISC_EOL|CX_RISC_IRQ2|bpl);
747 *(rm++) = (DMAADDR(p) + 1 * bpl);
748
749 *(rm++) = (CX_RISC_JUMP|1);
750 *(rm++) = (cxdtv_sram_chs[CXDTV_SRAM_CH_MPEG].csc_risc + 4);
751
752 return 0;
753 }
754
755 static int
cxdtv_sram_ch_setup(struct cxdtv_softc * sc,struct cxdtv_sram_ch * csc,uint32_t bpl)756 cxdtv_sram_ch_setup(struct cxdtv_softc *sc, struct cxdtv_sram_ch *csc,
757 uint32_t bpl)
758 {
759 unsigned int i, lines;
760 uint32_t cdt;
761
762 CX_DPRINTF(("cxdtv_sram_ch_setup: bpl=0x%x\n", bpl));
763
764 /* XXX why round? */
765 bpl = (bpl + 7) & ~7;
766 CX_DPRINTF(("cxdtv_sram_ch_setup: bpl=0x%x\n", bpl));
767 cdt = csc->csc_cdt;
768 lines = csc->csc_fifosz / bpl;
769 device_printf(sc->sc_dev, "%s %d lines\n", __func__, lines);
770
771 /* fill in CDT */
772 for (i = 0; i < lines; i++) {
773 CX_DPRINTF(("CDT ent %08x, %08x\n", cdt + (16 * i),
774 csc->csc_fifo + (bpl * i)));
775 bus_space_write_4(sc->sc_memt, sc->sc_memh,
776 cdt + (16 * i),
777 csc->csc_fifo + (bpl * i));
778 }
779
780 /* copy DMA program */
781
782 /* converts program to little endian as it goes into SRAM */
783 bus_space_write_region_4(sc->sc_memt, sc->sc_memh,
784 csc->csc_risc, (void *)sc->sc_riscbuf, sc->sc_riscbufsz >> 2);
785
786 /* fill in CMDS */
787 bus_space_write_4(sc->sc_memt, sc->sc_memh,
788 csc->csc_cmds + CX_CMDS_O_IRPC, csc->csc_risc);
789
790 bus_space_write_4(sc->sc_memt, sc->sc_memh,
791 csc->csc_cmds + CX_CMDS_O_CDTB, csc->csc_cdt);
792 bus_space_write_4(sc->sc_memt, sc->sc_memh,
793 csc->csc_cmds + CX_CMDS_O_CDTS, (lines * 16) >> 3); /* XXX magic */
794
795 bus_space_write_4(sc->sc_memt, sc->sc_memh,
796 csc->csc_cmds + CX_CMDS_O_IQB, csc->csc_iq);
797 bus_space_write_4(sc->sc_memt, sc->sc_memh,
798 csc->csc_cmds + CX_CMDS_O_IQS,
799 CX_CMDS_IQS_ISRP | (csc->csc_iqsz >> 2) );
800
801 /* zero rest of CMDS */
802 bus_space_set_region_4(sc->sc_memt, sc->sc_memh, 0x14, 0, 0x2c/4);
803
804 bus_space_write_4(sc->sc_memt, sc->sc_memh,
805 csc->csc_cnt1, (bpl >> 3) - 1);
806
807 bus_space_write_4(sc->sc_memt, sc->sc_memh,
808 csc->csc_ptr2, cdt);
809 bus_space_write_4(sc->sc_memt, sc->sc_memh,
810 csc->csc_cnt2, (lines * 16) >> 3);
811
812 return 0;
813 }
814
815 int
cxdtv_mpeg_trigger(struct cxdtv_softc * sc,void * buf)816 cxdtv_mpeg_trigger(struct cxdtv_softc *sc, void *buf)
817 {
818 struct cxdtv_dma *p;
819 struct cxdtv_sram_ch *ch;
820 uint32_t v;
821
822 ch = &cxdtv_sram_chs[CXDTV_SRAM_CH_MPEG];
823
824 for (p = sc->sc_dma; p && KERNADDR(p) != buf; p = p->next)
825 continue;
826 if (p == NULL) {
827 device_printf(sc->sc_dev, "cxdtv_mpeg_trigger: bad addr %p\n",
828 buf);
829 return ENOENT;
830 }
831
832 CX_DPRINTF(("cxdtv_mpeg_trigger: buf=%p\n", buf));
833
834 cxdtv_risc_buffer(sc, CXDTV_TS_PKTSIZE, 1);
835 cxdtv_sram_ch_setup(sc, ch, CXDTV_TS_PKTSIZE);
836
837 /* software reset */
838
839 switch(sc->sc_vendor) {
840 case PCI_VENDOR_ATI:
841 /* both ATI boards with DTV are the same */
842 bus_space_write_4(sc->sc_memt, sc->sc_memh,
843 CXDTV_TS_GEN_CONTROL, IPB_SW_RST);
844 delay(100);
845 /* parallel MPEG port */
846 bus_space_write_4(sc->sc_memt, sc->sc_memh,
847 CXDTV_PINMUX_IO, MPEG_PAR_EN);
848 break;
849 case PCI_VENDOR_PCHDTV:
850 if (sc->sc_product == PCI_PRODUCT_PCHDTV_HD5500) {
851 bus_space_write_4(sc->sc_memt, sc->sc_memh,
852 CXDTV_TS_GEN_CONTROL, IPB_SW_RST|IPB_SMODE);
853 delay(100);
854 bus_space_write_4(sc->sc_memt, sc->sc_memh,
855 CXDTV_PINMUX_IO, 0x00); /* serial MPEG port */
856 /* byte-width start-of-packet */
857 bus_space_write_4(sc->sc_memt, sc->sc_memh,
858 CXDTV_HW_SOP_CONTROL,
859 0x47 << 16 | 188 << 4 | 1);
860 bus_space_write_4(sc->sc_memt, sc->sc_memh,
861 CXDTV_TS_SOP_STATUS, IPB_SOP_BYTEWIDE);
862 /* serial MPEG port on HD5500 */
863 bus_space_write_4(sc->sc_memt, sc->sc_memh,
864 CXDTV_TS_GEN_CONTROL, IPB_SMODE);
865 }
866 break;
867 default:
868 break;
869 }
870
871 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_LNGTH,
872 CXDTV_TS_PKTSIZE);
873
874 /* Configure for standard MPEG TS, 1 good packet to sync */
875 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_HW_SOP_CONTROL,
876 0x47 << 16 | 188 << 4 | 1);
877
878 /* zero counter */
879 bus_space_write_4(sc->sc_memt, sc->sc_memh,
880 CXDTV_TS_GP_CNT_CNTRL, 0x03);
881
882 /* enable bad packet interrupt */
883 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_BD_PKT_STATUS,
884 0x1000);
885
886 /* enable overflow counter */
887 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_FIFO_OVFL_STAT,
888 0x1000);
889
890 /* unmask TS interrupt */
891 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK);
892 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK,
893 v | CXT_PI_TS_INT);
894
895 /* unmask all TS interrupts */
896 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK);
897 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK,
898 v | 0x1f1011);
899
900 /* enable RISC DMA engine */
901 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_DEV_CNTRL2);
902 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_DEV_CNTRL2,
903 v | CXDTV_DEV_CNTRL2_RUN_RISC);
904
905 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_DMA_CNTRL);
906 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_DMA_CNTRL,
907 v | CXDTV_TS_RISC_EN | CXDTV_TS_FIFO_EN);
908
909 return 0;
910 }
911
912 int
cxdtv_mpeg_halt(struct cxdtv_softc * sc)913 cxdtv_mpeg_halt(struct cxdtv_softc *sc)
914 {
915 uint32_t v;
916
917 CX_DPRINTF(("cxdtv_mpeg_halt\n"));
918
919 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_DMA_CNTRL);
920 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_DMA_CNTRL,
921 v & ~(CXDTV_TS_RISC_EN|CXDTV_TS_FIFO_EN));
922
923 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK);
924 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_PCI_INT_MASK,
925 v & ~CXT_PI_TS_INT);
926
927 v = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK);
928 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK,
929 v & ~0x1f1011);
930
931 return 0;
932 }
933
934 int
cxdtv_mpeg_intr(struct cxdtv_softc * sc)935 cxdtv_mpeg_intr(struct cxdtv_softc *sc)
936 {
937 struct dtv_payload payload;
938 uint32_t s, m;
939
940 s = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_STAT);
941 m = bus_space_read_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_MASK);
942 if ((s & m) == 0)
943 return 0;
944
945 if ( (s & ~CXDTV_TS_RISCI) != 0 )
946 device_printf(sc->sc_dev, "unexpected TS IS %08x\n", s);
947
948 if (sc->sc_dtvsubmitcb == NULL)
949 goto done;
950
951 if ((s & CXDTV_TS_RISCI1) == CXDTV_TS_RISCI1) {
952 bus_dmamap_sync(sc->sc_dmat, sc->sc_dma->map,
953 0, CXDTV_TS_PKTSIZE,
954 BUS_DMASYNC_POSTREAD);
955 payload.data = KERNADDR(sc->sc_dma);
956 payload.size = CXDTV_TS_PKTSIZE;
957 sc->sc_dtvsubmitcb(sc->sc_dtvsubmitarg, &payload);
958 }
959
960 if ((s & CXDTV_TS_RISCI2) == CXDTV_TS_RISCI2) {
961 bus_dmamap_sync(sc->sc_dmat, sc->sc_dma->map,
962 CXDTV_TS_PKTSIZE, CXDTV_TS_PKTSIZE,
963 BUS_DMASYNC_POSTREAD);
964 payload.data = (char *)(KERNADDR(sc->sc_dma)) + (uintptr_t)CXDTV_TS_PKTSIZE;
965 payload.size = CXDTV_TS_PKTSIZE;
966 sc->sc_dtvsubmitcb(sc->sc_dtvsubmitarg, &payload);
967 }
968
969 done:
970 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_TS_INT_STAT, s);
971
972 return 1;
973 }
974
975 static int
cxdtv_allocmem(struct cxdtv_softc * sc,size_t size,size_t align,struct cxdtv_dma * p)976 cxdtv_allocmem(struct cxdtv_softc *sc, size_t size, size_t align,
977 struct cxdtv_dma *p)
978 {
979 int err;
980
981 p->size = size;
982 err = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0,
983 p->segs, __arraycount(p->segs),
984 &p->nsegs, BUS_DMA_NOWAIT);
985 if (err)
986 return err;
987 err = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size,
988 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
989 if (err)
990 goto free;
991 err = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0,
992 BUS_DMA_NOWAIT, &p->map);
993 if (err)
994 goto unmap;
995 err = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL,
996 BUS_DMA_NOWAIT);
997 if (err)
998 goto destroy;
999
1000 return 0;
1001
1002 destroy:
1003 bus_dmamap_destroy(sc->sc_dmat, p->map);
1004 unmap:
1005 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
1006 free:
1007 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
1008
1009 return err;
1010 }
1011
1012 static int
cxdtv_freemem(struct cxdtv_softc * sc,struct cxdtv_dma * p)1013 cxdtv_freemem(struct cxdtv_softc *sc, struct cxdtv_dma *p)
1014 {
1015
1016 bus_dmamap_unload(sc->sc_dmat, p->map);
1017 bus_dmamap_destroy(sc->sc_dmat, p->map);
1018 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
1019 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
1020
1021 return 0;
1022 }
1023
1024 void *
cxdtv_mpeg_malloc(struct cxdtv_softc * sc,size_t size)1025 cxdtv_mpeg_malloc(struct cxdtv_softc *sc, size_t size)
1026 {
1027 struct cxdtv_dma *p;
1028 int err;
1029
1030 p = kmem_alloc(sizeof(*p), KM_SLEEP);
1031 err = cxdtv_allocmem(sc, size, 16, p);
1032 if (err) {
1033 kmem_free(p, sizeof(*p));
1034 device_printf(sc->sc_dev, "not enough memory\n");
1035 return NULL;
1036 }
1037
1038 p->next = sc->sc_dma;
1039 sc->sc_dma = p;
1040
1041 return KERNADDR(p);
1042 }
1043
1044 static void
cxdtv_mpeg_free(struct cxdtv_softc * sc,void * addr)1045 cxdtv_mpeg_free(struct cxdtv_softc *sc, void *addr)
1046 {
1047 struct cxdtv_dma *p;
1048 struct cxdtv_dma **pp;
1049
1050 for (pp = &sc->sc_dma; (p = *pp) != NULL; pp = &p->next) {
1051 if (KERNADDR(p) == addr) {
1052 cxdtv_freemem(sc, p);
1053 *pp = p->next;
1054 kmem_free(p, sizeof(*p));
1055 return;
1056 }
1057 }
1058
1059 device_printf(sc->sc_dev, "%p is already free\n", addr);
1060
1061 return;
1062 }
1063
1064
1065 /* ATI HDTV Wonder */
1066 static void
cxdtv_card_init_hdtvwonder(struct cxdtv_softc * sc)1067 cxdtv_card_init_hdtvwonder(struct cxdtv_softc *sc)
1068 {
1069 int i, x;
1070 i2c_addr_t na;
1071 uint8_t nb[5][2] = {
1072 {0x10, 0x12}, {0x13, 0x04}, {0x16, 0x00},
1073 {0x14, 0x04}, {0x17, 0x00}
1074 };
1075
1076 /* prepare TUV1236D/TU1236F NIM */
1077
1078 na = 0x0a; /* Nxt2004 address */
1079 x = 0;
1080
1081 iic_acquire_bus(&sc->sc_i2c, 0);
1082
1083 for(i = 0; i < 5; i++)
1084 x |= iic_exec(&sc->sc_i2c, I2C_OP_WRITE_WITH_STOP, na,
1085 nb[i], 2, NULL, 0, 0);
1086
1087 iic_release_bus(&sc->sc_i2c, 0);
1088
1089 if (x)
1090 aprint_error_dev(sc->sc_dev, "HDTV Wonder tuner init failed");
1091 }
1092
1093 /* pcHDTV HD5500 */
1094 #define cxdtv_write_field(_mask, _shift, _value) \
1095 (((_value) & (_mask)) << (_shift))
1096
1097 static void
cxdtv_write_gpio(struct cxdtv_softc * sc,uint32_t mask,uint32_t value)1098 cxdtv_write_gpio(struct cxdtv_softc *sc, uint32_t mask, uint32_t value)
1099 {
1100 uint32_t v = 0;
1101 v |= cxdtv_write_field(0xff, 16, mask);
1102 v |= cxdtv_write_field(0xff, 8, mask);
1103 v |= cxdtv_write_field(0xff, 0, (mask & value));
1104 bus_space_write_4(sc->sc_memt, sc->sc_memh, CXDTV_GP0_IO, v);
1105 }
1106
1107 static void
cxdtv_card_init_hd5500(struct cxdtv_softc * sc)1108 cxdtv_card_init_hd5500(struct cxdtv_softc *sc)
1109 {
1110 /* hardware (demod) reset */
1111 cxdtv_write_gpio(sc, 1, 0);
1112 delay(100000);
1113 cxdtv_write_gpio(sc, 1, 1);
1114 delay(200000);
1115 }
1116
1117 MODULE(MODULE_CLASS_DRIVER, cxdtv, "tvpll,nxt2k,lg3303,pci");
1118
1119 #ifdef _MODULE
1120 #include "ioconf.c"
1121 #endif
1122
1123 static int
cxdtv_modcmd(modcmd_t cmd,void * opaque)1124 cxdtv_modcmd(modcmd_t cmd, void *opaque)
1125 {
1126 switch (cmd) {
1127 case MODULE_CMD_INIT:
1128 #ifdef _MODULE
1129 return config_init_component(cfdriver_ioconf_cxdtv,
1130 cfattach_ioconf_cxdtv, cfdata_ioconf_cxdtv);
1131 #else
1132 return 0;
1133 #endif
1134 case MODULE_CMD_FINI:
1135 #ifdef _MODULE
1136 return config_fini_component(cfdriver_ioconf_cxdtv,
1137 cfattach_ioconf_cxdtv, cfdata_ioconf_cxdtv);
1138 #else
1139 return 0;
1140 #endif
1141 default:
1142 return ENOTTY;
1143 }
1144 }
1145