2 * cx18 driver initialization and card probing
4 * Derived from ivtv-driver.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include "cx18-driver.h"
25 #include "cx18-version.h"
26 #include "cx18-cards.h"
29 #include "cx18-gpio.h"
30 #include "cx18-firmware.h"
31 #include "cx18-streams.h"
32 #include "cx18-av-core.h"
34 #include "cx18-mailbox.h"
35 #include "cx18-ioctl.h"
36 #include "tuner-xc2028.h"
38 #include <media/tveeprom.h>
41 /* var to keep track of the number of array elements in use */
42 int cx18_cards_active;
44 /* If you have already X v4l cards, then set this to X. This way
45 the device numbers stay matched. Example: you have a WinTV card
46 without radio and a Compro H900 with. Normally this would give a
47 video1 device together with a radio0 device for the Compro. By
48 setting this to 1 you ensure that radio0 is now also radio1. */
51 /* Master variable for all cx18 info */
52 struct cx18 *cx18_cards[CX18_MAX_CARDS];
54 /* Protects cx18_cards_active */
55 DEFINE_SPINLOCK(cx18_cards_lock);
57 /* add your revision and whatnot here */
58 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
59 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
60 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
64 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
66 /* Parameter declarations */
67 static int cardtype[CX18_MAX_CARDS];
68 static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
69 -1, -1, -1, -1, -1, -1, -1, -1,
70 -1, -1, -1, -1, -1, -1, -1, -1,
71 -1, -1, -1, -1, -1, -1, -1, -1 };
72 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
73 -1, -1, -1, -1, -1, -1, -1, -1,
74 -1, -1, -1, -1, -1, -1, -1, -1,
75 -1, -1, -1, -1, -1, -1, -1, -1 };
77 static int cardtype_c = 1;
78 static int tuner_c = 1;
79 static int radio_c = 1;
80 static char pal[] = "--";
81 static char secam[] = "--";
82 static char ntsc[] = "-";
85 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
86 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
87 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
88 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
89 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
91 static int cx18_pci_latency = 1;
95 module_param_array(tuner, int, &tuner_c, 0644);
96 module_param_array(radio, bool, &radio_c, 0644);
97 module_param_array(cardtype, int, &cardtype_c, 0644);
98 module_param_string(pal, pal, sizeof(pal), 0644);
99 module_param_string(secam, secam, sizeof(secam), 0644);
100 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
101 module_param_named(debug, cx18_debug, int, 0644);
102 module_param(cx18_pci_latency, int, 0644);
103 module_param(cx18_first_minor, int, 0644);
105 module_param(enc_mpg_buffers, int, 0644);
106 module_param(enc_ts_buffers, int, 0644);
107 module_param(enc_yuv_buffers, int, 0644);
108 module_param(enc_vbi_buffers, int, 0644);
109 module_param(enc_pcm_buffers, int, 0644);
111 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
112 "\t\t\tsee tuner.h for values");
113 MODULE_PARM_DESC(radio,
114 "Enable or disable the radio. Use only if autodetection\n"
115 "\t\t\tfails. 0 = disable, 1 = enable");
116 MODULE_PARM_DESC(cardtype,
117 "Only use this option if your card is not detected properly.\n"
118 "\t\tSpecify card type:\n"
119 "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
120 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
121 "\t\t\t 3 = Compro VideoMate H900\n"
122 "\t\t\t 4 = Yuan MPC718\n"
123 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
124 "\t\t\t 0 = Autodetect (default)\n"
125 "\t\t\t-1 = Ignore this card\n\t\t");
126 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
127 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
128 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
129 MODULE_PARM_DESC(debug,
130 "Debug level (bitmask). Default: 0\n"
131 "\t\t\t 1/0x0001: warning\n"
132 "\t\t\t 2/0x0002: info\n"
133 "\t\t\t 4/0x0004: mailbox\n"
134 "\t\t\t 8/0x0008: dma\n"
135 "\t\t\t 16/0x0010: ioctl\n"
136 "\t\t\t 32/0x0020: file\n"
137 "\t\t\t 64/0x0040: i2c\n"
138 "\t\t\t128/0x0080: irq\n"
139 "\t\t\t256/0x0100: high volume\n");
140 MODULE_PARM_DESC(cx18_pci_latency,
141 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
142 "\t\t\tDefault: Yes");
143 MODULE_PARM_DESC(enc_mpg_buffers,
144 "Encoder MPG Buffers (in MB)\n"
145 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
146 MODULE_PARM_DESC(enc_ts_buffers,
147 "Encoder TS Buffers (in MB)\n"
148 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
149 MODULE_PARM_DESC(enc_yuv_buffers,
150 "Encoder YUV Buffers (in MB)\n"
151 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
152 MODULE_PARM_DESC(enc_vbi_buffers,
153 "Encoder VBI Buffers (in MB)\n"
154 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
155 MODULE_PARM_DESC(enc_pcm_buffers,
156 "Encoder PCM buffers (in MB)\n"
157 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
159 MODULE_PARM_DESC(cx18_first_minor, "Set minor assigned to first card");
161 MODULE_AUTHOR("Hans Verkuil");
162 MODULE_DESCRIPTION("CX23418 driver");
163 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
164 MODULE_LICENSE("GPL");
166 MODULE_VERSION(CX18_VERSION);
168 /* Generic utility functions */
169 int cx18_msleep_timeout(unsigned int msecs, int intr)
171 int timeout = msecs_to_jiffies(msecs);
175 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
176 timeout = schedule_timeout(timeout);
177 sig = intr ? signal_pending(current) : 0;
178 } while (!sig && timeout);
182 /* Release ioremapped memory */
183 static void cx18_iounmap(struct cx18 *cx)
188 /* Release io memory */
189 if (cx->enc_mem != NULL) {
190 CX18_DEBUG_INFO("releasing enc_mem\n");
191 iounmap(cx->enc_mem);
196 /* Hauppauge card? get values from tveeprom */
197 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
201 cx->i2c_client[0].addr = 0xA0 >> 1;
202 tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata));
203 tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata);
206 static void cx18_process_eeprom(struct cx18 *cx)
210 cx18_read_eeprom(cx, &tv);
212 /* Many thanks to Steven Toth from Hauppauge for providing the
214 /* Note: the Samsung memory models cannot be reliably determined
215 from the model number. Use the cardtype module option if you
216 have one of these preproduction models. */
218 case 74000 ... 74999:
219 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
222 CX18_ERR("Invalid EEPROM\n");
225 CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model);
226 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
230 cx->v4l2_cap = cx->card->v4l2_capabilities;
231 cx->card_name = cx->card->name;
232 cx->card_i2c = cx->card->i2c;
234 CX18_INFO("Autodetected %s\n", cx->card_name);
236 if (tv.tuner_type == TUNER_ABSENT)
237 CX18_ERR("tveeprom cannot autodetect tuner!");
239 if (cx->options.tuner == -1)
240 cx->options.tuner = tv.tuner_type;
241 if (cx->options.radio == -1)
242 cx->options.radio = (tv.has_radio != 0);
245 /* user specified tuner standard */
248 /* autodetect tuner standard */
249 if (tv.tuner_formats & V4L2_STD_PAL) {
250 CX18_DEBUG_INFO("PAL tuner detected\n");
251 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
252 } else if (tv.tuner_formats & V4L2_STD_NTSC) {
253 CX18_DEBUG_INFO("NTSC tuner detected\n");
254 cx->std |= V4L2_STD_NTSC_M;
255 } else if (tv.tuner_formats & V4L2_STD_SECAM) {
256 CX18_DEBUG_INFO("SECAM tuner detected\n");
257 cx->std |= V4L2_STD_SECAM_L;
259 CX18_INFO("No tuner detected, default to NTSC-M\n");
260 cx->std |= V4L2_STD_NTSC_M;
264 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
268 return V4L2_STD_PAL_60;
273 return V4L2_STD_PAL_BG;
276 return V4L2_STD_PAL_H;
279 if (pal[1] == 'c' || pal[1] == 'C')
280 return V4L2_STD_PAL_Nc;
281 return V4L2_STD_PAL_N;
284 return V4L2_STD_PAL_I;
289 return V4L2_STD_PAL_DK;
292 return V4L2_STD_PAL_M;
296 CX18_WARN("pal= argument not recognised\n");
307 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
312 return V4L2_STD_SECAM_DK;
315 if (secam[1] == 'C' || secam[1] == 'c')
316 return V4L2_STD_SECAM_LC;
317 return V4L2_STD_SECAM_L;
321 CX18_WARN("secam= argument not recognised\n");
328 return V4L2_STD_NTSC_M;
331 return V4L2_STD_NTSC_M_JP;
334 return V4L2_STD_NTSC_M_KR;
338 CX18_WARN("ntsc= argument not recognised\n");
346 static void cx18_process_options(struct cx18 *cx)
350 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
351 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
352 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
353 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
354 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
355 cx->options.cardtype = cardtype[cx->num];
356 cx->options.tuner = tuner[cx->num];
357 cx->options.radio = radio[cx->num];
359 cx->std = cx18_parse_std(cx);
360 if (cx->options.cardtype == -1) {
361 CX18_INFO("Ignore card\n");
364 cx->card = cx18_get_card(cx->options.cardtype - 1);
366 CX18_INFO("User specified %s card\n", cx->card->name);
367 else if (cx->options.cardtype != 0)
368 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
369 if (cx->card == NULL) {
370 if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
371 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
372 CX18_INFO("Autodetected Hauppauge card\n");
375 if (cx->card == NULL) {
376 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
377 if (cx->card->pci_list == NULL)
379 for (j = 0; cx->card->pci_list[j].device; j++) {
380 if (cx->dev->device !=
381 cx->card->pci_list[j].device)
383 if (cx->dev->subsystem_vendor !=
384 cx->card->pci_list[j].subsystem_vendor)
386 if (cx->dev->subsystem_device !=
387 cx->card->pci_list[j].subsystem_device)
389 CX18_INFO("Autodetected %s card\n", cx->card->name);
396 if (cx->card == NULL) {
397 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
398 CX18_ERR("Unknown card: vendor/device: %04x/%04x\n",
399 cx->dev->vendor, cx->dev->device);
400 CX18_ERR(" subsystem vendor/device: %04x/%04x\n",
401 cx->dev->subsystem_vendor, cx->dev->subsystem_device);
402 CX18_ERR("Defaulting to %s card\n", cx->card->name);
403 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
404 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
405 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
407 cx->v4l2_cap = cx->card->v4l2_capabilities;
408 cx->card_name = cx->card->name;
409 cx->card_i2c = cx->card->i2c;
412 /* Precondition: the cx18 structure has been memset to 0. Only
413 the dev and num fields have been filled in.
414 No assumptions on the card type may be made here (see cx18_init_struct2
417 static int __devinit cx18_init_struct1(struct cx18 *cx)
419 cx->base_addr = pci_resource_start(cx->dev, 0);
421 mutex_init(&cx->serialize_lock);
422 mutex_init(&cx->i2c_bus_lock[0]);
423 mutex_init(&cx->i2c_bus_lock[1]);
425 spin_lock_init(&cx->lock);
426 spin_lock_init(&cx->dma_reg_lock);
428 /* start counting open_id at 1 */
431 /* Initial settings */
432 cx2341x_fill_defaults(&cx->params);
433 cx->temporal_strength = cx->params.video_temporal_filter;
434 cx->spatial_strength = cx->params.video_spatial_filter;
435 cx->filter_mode = cx->params.video_spatial_filter_mode |
436 (cx->params.video_temporal_filter_mode << 1) |
437 (cx->params.video_median_filter_type << 2);
438 cx->params.port = CX2341X_PORT_MEMORY;
439 cx->params.capabilities = CX2341X_CAP_HAS_TS;
440 init_waitqueue_head(&cx->cap_w);
441 init_waitqueue_head(&cx->mb_apu_waitq);
442 init_waitqueue_head(&cx->mb_cpu_waitq);
443 init_waitqueue_head(&cx->mb_epu_waitq);
444 init_waitqueue_head(&cx->mb_hpu_waitq);
445 init_waitqueue_head(&cx->dma_waitq);
448 cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
449 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
450 cx->vbi.raw_size = 1456;
451 cx->vbi.raw_decoder_line_size = 1456;
452 cx->vbi.raw_decoder_sav_odd_field = 0x20;
453 cx->vbi.raw_decoder_sav_even_field = 0x60;
454 cx->vbi.sliced_decoder_line_size = 272;
455 cx->vbi.sliced_decoder_sav_odd_field = 0xB0;
456 cx->vbi.sliced_decoder_sav_even_field = 0xF0;
460 /* Second initialization part. Here the card type has been
462 static void __devinit cx18_init_struct2(struct cx18 *cx)
466 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
467 if (cx->card->video_inputs[i].video_type == 0)
470 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
471 if (cx->card->audio_inputs[i].audio_type == 0)
473 cx->nof_audio_inputs = i;
475 /* Find tuner input */
476 for (i = 0; i < cx->nof_inputs; i++) {
477 if (cx->card->video_inputs[i].video_type ==
478 CX18_CARD_INPUT_VID_TUNER)
481 if (i == cx->nof_inputs)
483 cx->active_input = i;
484 cx->audio_input = cx->card->video_inputs[i].audio_index;
485 cx->av_state.vid_input = CX18_AV_COMPOSITE7;
486 cx->av_state.aud_input = CX18_AV_AUDIO8;
487 cx->av_state.audclk_freq = 48000;
488 cx->av_state.audmode = V4L2_TUNER_MODE_LANG1;
489 cx->av_state.vbi_line_offset = 8;
492 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
493 const struct pci_device_id *pci_id)
496 unsigned char pci_latency;
498 CX18_DEBUG_INFO("Enabling pci device\n");
500 if (pci_enable_device(dev)) {
501 CX18_ERR("Can't enable device %d!\n", cx->num);
504 if (pci_set_dma_mask(dev, 0xffffffff)) {
505 CX18_ERR("No suitable DMA available on card %d.\n", cx->num);
508 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
509 CX18_ERR("Cannot request encoder memory region on card %d.\n", cx->num);
513 /* Check for bus mastering */
514 pci_read_config_word(dev, PCI_COMMAND, &cmd);
515 cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
516 pci_write_config_word(dev, PCI_COMMAND, cmd);
518 pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev);
519 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
521 if (pci_latency < 64 && cx18_pci_latency) {
522 CX18_INFO("Unreasonably low latency timer, "
523 "setting to 64 (was %d)\n", pci_latency);
524 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64);
525 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
527 /* This config space value relates to DMA latencies. The
528 default value 0x8080 is too low however and will lead
529 to DMA errors. 0xffff is the max value which solves
531 pci_write_config_dword(dev, 0x40, 0xffff);
533 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
534 "irq: %d, latency: %d, memory: 0x%lx\n",
535 cx->dev->device, cx->card_rev, dev->bus->number,
536 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn),
537 cx->dev->irq, pci_latency, (unsigned long)cx->base_addr);
543 static u32 cx18_request_module(struct cx18 *cx, u32 hw,
544 const char *name, u32 id)
548 if (request_module(name) != 0) {
549 CX18_ERR("Failed to load module %s\n", name);
552 CX18_DEBUG_INFO("Loaded module %s\n", name);
557 static void cx18_load_and_init_modules(struct cx18 *cx)
559 u32 hw = cx->card->hw_all;
564 #ifndef CONFIG_MEDIA_TUNER
565 hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER);
567 #ifndef CONFIG_VIDEO_CS5345
568 hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345);
572 /* check which i2c devices are actually found */
573 for (i = 0; i < 32; i++) {
578 if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM ||
579 device == CX18_HW_CX23418 || device == CX18_HW_DVB) {
580 /* These 'devices' do not use i2c probing */
581 cx->hw_flags |= device;
584 cx18_i2c_register(cx, i);
585 if (cx18_i2c_hw_addr(cx, device) > 0)
586 cx->hw_flags |= device;
592 static int __devinit cx18_probe(struct pci_dev *dev,
593 const struct pci_device_id *pci_id)
600 spin_lock(&cx18_cards_lock);
602 /* Make sure we've got a place for this card */
603 if (cx18_cards_active == CX18_MAX_CARDS) {
604 printk(KERN_ERR "cx18: Maximum number of cards detected (%d).\n",
606 spin_unlock(&cx18_cards_lock);
610 cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
612 spin_unlock(&cx18_cards_lock);
615 cx18_cards[cx18_cards_active] = cx;
617 cx->num = cx18_cards_active++;
618 snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num);
619 CX18_INFO("Initializing card #%d\n", cx->num);
621 spin_unlock(&cx18_cards_lock);
623 cx18_process_options(cx);
624 if (cx->options.cardtype == -1) {
628 if (cx18_init_struct1(cx)) {
633 CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
635 /* PCI Device Setup */
636 retval = cx18_setup_pci(cx, dev, pci_id);
640 else if (retval == -ENXIO)
643 /* save cx in the pci struct for later use */
644 pci_set_drvdata(dev, cx);
647 CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
648 cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
649 cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
652 CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
653 CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
657 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
658 devtype = read_reg(0xC72028);
659 switch (devtype & 0xff000000) {
661 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
664 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
667 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
671 cx18_init_power(cx, 1);
672 cx18_init_memory(cx);
674 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
680 CX18_DEBUG_INFO("activating i2c...\n");
681 if (init_cx18_i2c(cx)) {
682 CX18_ERR("Could not initialize i2c\n");
686 CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active);
688 if (cx->card->hw_all & CX18_HW_TVEEPROM) {
689 /* Based on the model number the cardtype may be changed.
690 The PCI IDs are not always reliable. */
691 cx18_process_eeprom(cx);
693 if (cx->card->comment)
694 CX18_INFO("%s", cx->card->comment);
695 if (cx->card->v4l2_capabilities == 0) {
699 cx18_init_memory(cx);
702 retval = request_irq(cx->dev->irq, cx18_irq_handler,
703 IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx);
705 CX18_ERR("Failed to register irq %d\n", retval);
710 cx->std = V4L2_STD_NTSC_M;
712 if (cx->options.tuner == -1) {
715 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
716 if ((cx->std & cx->card->tuners[i].std) == 0)
718 cx->options.tuner = cx->card->tuners[i].tuner;
722 /* if no tuner was found, then pick the first tuner in the card list */
723 if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
724 cx->std = cx->card->tuners[0].std;
725 if (cx->std & V4L2_STD_PAL)
726 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
727 else if (cx->std & V4L2_STD_NTSC)
728 cx->std = V4L2_STD_NTSC_M;
729 else if (cx->std & V4L2_STD_SECAM)
730 cx->std = V4L2_STD_SECAM_L;
731 cx->options.tuner = cx->card->tuners[0].tuner;
733 if (cx->options.radio == -1)
734 cx->options.radio = (cx->card->radio_input.audio_type != 0);
736 /* The card is now fully identified, continue with card-specific
738 cx18_init_struct2(cx);
740 cx18_load_and_init_modules(cx);
742 if (cx->std & V4L2_STD_525_60) {
749 cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
751 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = 0x08000;
752 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = 0x08000;
753 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = 0x01200;
754 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = 0x20000;
755 vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2;
756 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
758 if (cx->options.radio > 0)
759 cx->v4l2_cap |= V4L2_CAP_RADIO;
761 if (cx->options.tuner > -1) {
762 struct tuner_setup setup;
764 setup.addr = ADDR_UNSET;
765 setup.type = cx->options.tuner;
766 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
767 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
768 cx18_reset_tuner_gpio : NULL;
769 cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup);
770 if (setup.type == TUNER_XC2028) {
771 static struct xc2028_ctrl ctrl = {
772 .fname = XC2028_DEFAULT_FIRMWARE,
775 struct v4l2_priv_tun_config cfg = {
776 .tuner = cx->options.tuner,
779 cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg);
783 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
785 cx->tuner_std = cx->std;
787 retval = cx18_streams_setup(cx);
789 CX18_ERR("Error %d setting up streams\n", retval);
792 retval = cx18_streams_register(cx);
794 CX18_ERR("Error %d registering devices\n", retval);
798 CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name);
803 cx18_streams_cleanup(cx, 1);
805 free_irq(cx->dev->irq, (void *)cx);
811 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
816 CX18_ERR("Error %d on initialization\n", retval);
818 kfree(cx18_cards[cx18_cards_active]);
819 cx18_cards[cx18_cards_active] = NULL;
823 int cx18_init_on_first_open(struct cx18 *cx)
826 int fw_retry_count = 3;
827 struct v4l2_frequency vf;
828 struct cx18_open_id fh;
832 if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
835 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
838 while (--fw_retry_count > 0) {
840 if (cx18_firmware_init(cx) == 0)
842 if (fw_retry_count > 1)
843 CX18_WARN("Retry loading firmware\n");
846 if (fw_retry_count == 0) {
847 set_bit(CX18_F_I_FAILED, &cx->i_flags);
850 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
852 /* Init the firmware twice to work around a silicon bug
853 * transport related. */
856 while (--fw_retry_count > 0) {
858 if (cx18_firmware_init(cx) == 0)
860 if (fw_retry_count > 1)
861 CX18_WARN("Retry loading firmware\n");
864 if (fw_retry_count == 0) {
865 set_bit(CX18_F_I_FAILED, &cx->i_flags);
870 vf.type = V4L2_TUNER_ANALOG_TV;
871 vf.frequency = 6400; /* the tuner 'baseline' frequency */
873 /* Set initial frequency. For PAL/SECAM broadcasts no
874 'default' channel exists AFAIK. */
875 if (cx->std == V4L2_STD_NTSC_M_JP)
876 vf.frequency = 1460; /* ch. 1 91250*16/1000 */
877 else if (cx->std & V4L2_STD_NTSC_M)
878 vf.frequency = 1076; /* ch. 4 67250*16/1000 */
880 video_input = cx->active_input;
881 cx->active_input++; /* Force update of input */
882 cx18_s_input(NULL, &fh, video_input);
884 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
886 cx->std++; /* Force full standard initialization */
887 cx18_s_std(NULL, &fh, &cx->tuner_std);
888 cx18_s_frequency(NULL, &fh, &vf);
892 static void cx18_remove(struct pci_dev *pci_dev)
894 struct cx18 *cx = pci_get_drvdata(pci_dev);
896 CX18_DEBUG_INFO("Removing Card #%d\n", cx->num);
898 /* Stop all captures */
899 CX18_DEBUG_INFO("Stopping all streams\n");
900 if (atomic_read(&cx->tot_capturing) > 0)
901 cx18_stop_all_captures(cx);
904 sw1_irq_disable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
905 sw2_irq_disable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
907 cx18_halt_firmware(cx);
909 cx18_streams_cleanup(cx, 1);
913 free_irq(cx->dev->irq, (void *)cx);
917 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
919 pci_disable_device(cx->dev);
921 CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num);
924 /* define a pci_driver for card detection */
925 static struct pci_driver cx18_pci_driver = {
927 .id_table = cx18_pci_tbl,
929 .remove = cx18_remove,
932 static int module_start(void)
934 printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION);
936 memset(cx18_cards, 0, sizeof(cx18_cards));
938 /* Validate parameters */
939 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
940 printk(KERN_ERR "cx18: Exiting, ivtv_first_minor must be between 0 and %d\n",
945 if (cx18_debug < 0 || cx18_debug > 511) {
947 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
950 if (pci_register_driver(&cx18_pci_driver)) {
951 printk(KERN_ERR "cx18: Error detecting PCI card\n");
954 printk(KERN_INFO "cx18: End initialization\n");
958 static void module_cleanup(void)
962 pci_unregister_driver(&cx18_pci_driver);
964 for (i = 0; i < cx18_cards_active; i++) {
965 if (cx18_cards[i] == NULL)
967 kfree(cx18_cards[i]);
971 module_init(module_start);
972 module_exit(module_cleanup);