/* * cx18 driver initialization and card probing * * Derived from ivtv-driver.c * * Copyright (C) 2007 Hans Verkuil * Copyright (C) 2008 Andy Walls * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA */ #include "cx18-driver.h" #include "cx18-io.h" #include "cx18-version.h" #include "cx18-cards.h" #include "cx18-i2c.h" #include "cx18-irq.h" #include "cx18-gpio.h" #include "cx18-firmware.h" #include "cx18-streams.h" #include "cx18-av-core.h" #include "cx18-scb.h" #include "cx18-mailbox.h" #include "cx18-ioctl.h" #include "tuner-xc2028.h" #include /* var to keep track of the number of array elements in use */ int cx18_cards_active; /* If you have already X v4l cards, then set this to X. This way the device numbers stay matched. Example: you have a WinTV card without radio and a Compro H900 with. Normally this would give a video1 device together with a radio0 device for the Compro. By setting this to 1 you ensure that radio0 is now also radio1. */ int cx18_first_minor; /* Master variable for all cx18 info */ struct cx18 *cx18_cards[CX18_MAX_CARDS]; /* Protects cx18_cards_active */ DEFINE_SPINLOCK(cx18_cards_lock); /* add your revision and whatnot here */ static struct pci_device_id cx18_pci_tbl[] __devinitdata = { {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {0,} }; MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); /* Parameter declarations */ static int cardtype[CX18_MAX_CARDS]; static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; static unsigned cardtype_c = 1; static unsigned tuner_c = 1; static unsigned radio_c = 1; static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; /* Buffers */ static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS; static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE; static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE; static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE; static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE; /* VBI bufsize based on standards supported by card tuner for now */ static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE; static int enc_ts_bufs = -1; static int enc_mpg_bufs = -1; static int enc_idx_bufs = -1; static int enc_yuv_bufs = -1; static int enc_vbi_bufs = -1; static int enc_pcm_bufs = -1; static int cx18_pci_latency = 1; static int mmio_ndelay; static int retry_mmio = 1; int cx18_debug; module_param_array(tuner, int, &tuner_c, 0644); module_param_array(radio, bool, &radio_c, 0644); module_param_array(cardtype, int, &cardtype_c, 0644); module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); module_param_named(debug, cx18_debug, int, 0644); module_param(mmio_ndelay, int, 0644); module_param(retry_mmio, int, 0644); module_param(cx18_pci_latency, int, 0644); module_param(cx18_first_minor, int, 0644); module_param(enc_ts_buffers, int, 0644); module_param(enc_mpg_buffers, int, 0644); module_param(enc_idx_buffers, int, 0644); module_param(enc_yuv_buffers, int, 0644); module_param(enc_vbi_buffers, int, 0644); module_param(enc_pcm_buffers, int, 0644); module_param(enc_ts_bufsize, int, 0644); module_param(enc_mpg_bufsize, int, 0644); module_param(enc_idx_bufsize, int, 0644); module_param(enc_yuv_bufsize, int, 0644); /* VBI bufsize based on standards supported by card tuner for now */ module_param(enc_pcm_bufsize, int, 0644); module_param(enc_ts_bufs, int, 0644); module_param(enc_mpg_bufs, int, 0644); module_param(enc_idx_bufs, int, 0644); module_param(enc_yuv_bufs, int, 0644); module_param(enc_vbi_bufs, int, 0644); module_param(enc_pcm_bufs, int, 0644); MODULE_PARM_DESC(tuner, "Tuner type selection,\n" "\t\t\tsee tuner.h for values"); MODULE_PARM_DESC(radio, "Enable or disable the radio. Use only if autodetection\n" "\t\t\tfails. 0 = disable, 1 = enable"); MODULE_PARM_DESC(cardtype, "Only use this option if your card is not detected properly.\n" "\t\tSpecify card type:\n" "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" "\t\t\t 3 = Compro VideoMate H900\n" "\t\t\t 4 = Yuan MPC718\n" "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" "\t\t\t 7 = Leadtek WinFast PVR2100\n" "\t\t\t 0 = Autodetect (default)\n" "\t\t\t-1 = Ignore this card\n\t\t"); MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); MODULE_PARM_DESC(debug, "Debug level (bitmask). Default: 0\n" "\t\t\t 1/0x0001: warning\n" "\t\t\t 2/0x0002: info\n" "\t\t\t 4/0x0004: mailbox\n" "\t\t\t 8/0x0008: dma\n" "\t\t\t 16/0x0010: ioctl\n" "\t\t\t 32/0x0020: file\n" "\t\t\t 64/0x0040: i2c\n" "\t\t\t128/0x0080: irq\n" "\t\t\t256/0x0100: high volume\n"); MODULE_PARM_DESC(cx18_pci_latency, "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" "\t\t\tDefault: Yes"); MODULE_PARM_DESC(retry_mmio, "(Deprecated) MMIO writes are now always checked and retried\n" "\t\t\tEffectively: 1 [Yes]"); MODULE_PARM_DESC(mmio_ndelay, "(Deprecated) MMIO accesses are now never purposely delayed\n" "\t\t\tEffectively: 0 ns"); MODULE_PARM_DESC(enc_ts_buffers, "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); MODULE_PARM_DESC(enc_ts_bufsize, "Size of an encoder TS buffer (kB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE)); MODULE_PARM_DESC(enc_ts_bufs, "Number of encoder TS buffers\n" "\t\t\tDefault is computed from other enc_ts_* parameters"); MODULE_PARM_DESC(enc_mpg_buffers, "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); MODULE_PARM_DESC(enc_mpg_bufsize, "Size of an encoder MPG buffer (kB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE)); MODULE_PARM_DESC(enc_mpg_bufs, "Number of encoder MPG buffers\n" "\t\t\tDefault is computed from other enc_mpg_* parameters"); MODULE_PARM_DESC(enc_idx_buffers, "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS)); MODULE_PARM_DESC(enc_idx_bufsize, "Size of an encoder IDX buffer (kB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE)); MODULE_PARM_DESC(enc_idx_bufs, "Number of encoder IDX buffers\n" "\t\t\tDefault is computed from other enc_idx_* parameters"); MODULE_PARM_DESC(enc_yuv_buffers, "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); MODULE_PARM_DESC(enc_yuv_bufsize, "Size of an encoder YUV buffer (kB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFSIZE)); MODULE_PARM_DESC(enc_yuv_bufs, "Number of encoder YUV buffers\n" "\t\t\tDefault is computed from other enc_yuv_* parameters"); MODULE_PARM_DESC(enc_vbi_buffers, "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); MODULE_PARM_DESC(enc_vbi_bufs, "Number of encoder VBI buffers\n" "\t\t\tDefault is computed from enc_vbi_buffers & tuner std"); MODULE_PARM_DESC(enc_pcm_buffers, "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); MODULE_PARM_DESC(enc_pcm_bufsize, "Size of an encoder PCM buffer (kB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE)); MODULE_PARM_DESC(enc_pcm_bufs, "Number of encoder PCM buffers\n" "\t\t\tDefault is computed from other enc_pcm_* parameters"); MODULE_PARM_DESC(cx18_first_minor, "Set kernel number assigned to first card"); MODULE_AUTHOR("Hans Verkuil"); MODULE_DESCRIPTION("CX23418 driver"); MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); MODULE_LICENSE("GPL"); MODULE_VERSION(CX18_VERSION); /* Generic utility functions */ int cx18_msleep_timeout(unsigned int msecs, int intr) { long int timeout = msecs_to_jiffies(msecs); int sig; do { set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); timeout = schedule_timeout(timeout); sig = intr ? signal_pending(current) : 0; } while (!sig && timeout); return sig; } /* Release ioremapped memory */ static void cx18_iounmap(struct cx18 *cx) { if (cx == NULL) return; /* Release io memory */ if (cx->enc_mem != NULL) { CX18_DEBUG_INFO("releasing enc_mem\n"); iounmap(cx->enc_mem); cx->enc_mem = NULL; } } /* Hauppauge card? get values from tveeprom */ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) { u8 eedata[256]; cx->i2c_client[0].addr = 0xA0 >> 1; tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata)); tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata); } static void cx18_process_eeprom(struct cx18 *cx) { struct tveeprom tv; cx18_read_eeprom(cx, &tv); /* Many thanks to Steven Toth from Hauppauge for providing the model numbers */ /* Note: the Samsung memory models cannot be reliably determined from the model number. Use the cardtype module option if you have one of these preproduction models. */ switch (tv.model) { case 74000 ... 74999: cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); break; case 0: CX18_ERR("Invalid EEPROM\n"); return; default: CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model); cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); break; } cx->v4l2_cap = cx->card->v4l2_capabilities; cx->card_name = cx->card->name; cx->card_i2c = cx->card->i2c; CX18_INFO("Autodetected %s\n", cx->card_name); if (tv.tuner_type == TUNER_ABSENT) CX18_ERR("tveeprom cannot autodetect tuner!"); if (cx->options.tuner == -1) cx->options.tuner = tv.tuner_type; if (cx->options.radio == -1) cx->options.radio = (tv.has_radio != 0); if (cx->std != 0) /* user specified tuner standard */ return; /* autodetect tuner standard */ if (tv.tuner_formats & V4L2_STD_PAL) { CX18_DEBUG_INFO("PAL tuner detected\n"); cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; } else if (tv.tuner_formats & V4L2_STD_NTSC) { CX18_DEBUG_INFO("NTSC tuner detected\n"); cx->std |= V4L2_STD_NTSC_M; } else if (tv.tuner_formats & V4L2_STD_SECAM) { CX18_DEBUG_INFO("SECAM tuner detected\n"); cx->std |= V4L2_STD_SECAM_L; } else { CX18_INFO("No tuner detected, default to NTSC-M\n"); cx->std |= V4L2_STD_NTSC_M; } } static v4l2_std_id cx18_parse_std(struct cx18 *cx) { switch (pal[0]) { case '6': return V4L2_STD_PAL_60; case 'b': case 'B': case 'g': case 'G': return V4L2_STD_PAL_BG; case 'h': case 'H': return V4L2_STD_PAL_H; case 'n': case 'N': if (pal[1] == 'c' || pal[1] == 'C') return V4L2_STD_PAL_Nc; return V4L2_STD_PAL_N; case 'i': case 'I': return V4L2_STD_PAL_I; case 'd': case 'D': case 'k': case 'K': return V4L2_STD_PAL_DK; case 'M': case 'm': return V4L2_STD_PAL_M; case '-': break; default: CX18_WARN("pal= argument not recognised\n"); return 0; } switch (secam[0]) { case 'b': case 'B': case 'g': case 'G': case 'h': case 'H': return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; case 'd': case 'D': case 'k': case 'K': return V4L2_STD_SECAM_DK; case 'l': case 'L': if (secam[1] == 'C' || secam[1] == 'c') return V4L2_STD_SECAM_LC; return V4L2_STD_SECAM_L; case '-': break; default: CX18_WARN("secam= argument not recognised\n"); return 0; } switch (ntsc[0]) { case 'm': case 'M': return V4L2_STD_NTSC_M; case 'j': case 'J': return V4L2_STD_NTSC_M_JP; case 'k': case 'K': return V4L2_STD_NTSC_M_KR; case '-': break; default: CX18_WARN("ntsc= argument not recognised\n"); return 0; } /* no match found */ return 0; } static void cx18_process_options(struct cx18 *cx) { int i, j; cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */ cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs; cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = 0; /* computed later */ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */ /* Except for VBI ensure stream_buffers & stream_buf_size are valid */ for (i = 0; i < CX18_MAX_STREAMS; i++) { /* User said to use 0 buffers */ if (cx->stream_buffers[i] == 0) { cx->options.megabytes[i] = 0; cx->stream_buf_size[i] = 0; continue; } /* User said to use 0 MB total */ if (cx->options.megabytes[i] <= 0) { cx->options.megabytes[i] = 0; cx->stream_buffers[i] = 0; cx->stream_buf_size[i] = 0; continue; } /* VBI is computed later or user said buffer has size 0 */ if (cx->stream_buf_size[i] <= 0) { if (i != CX18_ENC_STREAM_TYPE_VBI) { cx->options.megabytes[i] = 0; cx->stream_buffers[i] = 0; cx->stream_buf_size[i] = 0; } continue; } if (cx->stream_buffers[i] < 0) { cx->stream_buffers[i] = cx->options.megabytes[i] * 1024 / cx->stream_buf_size[i]; } else { /* N.B. This might round down to 0 */ cx->options.megabytes[i] = cx->stream_buffers[i] * cx->stream_buf_size[i] / 1024; } cx->stream_buf_size[i] *= 1024; /* convert from kB to bytes */ } cx->options.cardtype = cardtype[cx->num]; cx->options.tuner = tuner[cx->num]; cx->options.radio = radio[cx->num]; cx->std = cx18_parse_std(cx); if (cx->options.cardtype == -1) { CX18_INFO("Ignore card\n"); return; } cx->card = cx18_get_card(cx->options.cardtype - 1); if (cx->card) CX18_INFO("User specified %s card\n", cx->card->name); else if (cx->options.cardtype != 0) CX18_ERR("Unknown user specified type, trying to autodetect card\n"); if (cx->card == NULL) { if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); CX18_INFO("Autodetected Hauppauge card\n"); } } if (cx->card == NULL) { for (i = 0; (cx->card = cx18_get_card(i)); i++) { if (cx->card->pci_list == NULL) continue; for (j = 0; cx->card->pci_list[j].device; j++) { if (cx->dev->device != cx->card->pci_list[j].device) continue; if (cx->dev->subsystem_vendor != cx->card->pci_list[j].subsystem_vendor) continue; if (cx->dev->subsystem_device != cx->card->pci_list[j].subsystem_device) continue; CX18_INFO("Autodetected %s card\n", cx->card->name); goto done; } } } done: if (cx->card == NULL) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", cx->dev->vendor, cx->dev->device); CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", cx->dev->subsystem_vendor, cx->dev->subsystem_device); CX18_ERR("Defaulting to %s card\n", cx->card->name); CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); } cx->v4l2_cap = cx->card->v4l2_capabilities; cx->card_name = cx->card->name; cx->card_i2c = cx->card->i2c; } /* Precondition: the cx18 structure has been memset to 0. Only the dev and num fields have been filled in. No assumptions on the card type may be made here (see cx18_init_struct2 for that). */ static int __devinit cx18_init_struct1(struct cx18 *cx) { int i; cx->base_addr = pci_resource_start(cx->dev, 0); mutex_init(&cx->serialize_lock); mutex_init(&cx->i2c_bus_lock[0]); mutex_init(&cx->i2c_bus_lock[1]); mutex_init(&cx->gpio_lock); mutex_init(&cx->epu2apu_mb_lock); mutex_init(&cx->epu2cpu_mb_lock); spin_lock_init(&cx->lock); cx->work_queue = create_singlethread_workqueue(cx->name); if (cx->work_queue == NULL) { CX18_ERR("Unable to create work hander thread\n"); return -ENOMEM; } for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) { cx->epu_work_order[i].cx = cx; cx->epu_work_order[i].str = cx->epu_debug_str; INIT_WORK(&cx->epu_work_order[i].work, cx18_epu_work_handler); } /* start counting open_id at 1 */ cx->open_id = 1; /* Initial settings */ cx2341x_fill_defaults(&cx->params); cx->temporal_strength = cx->params.video_temporal_filter; cx->spatial_strength = cx->params.video_spatial_filter; cx->filter_mode = cx->params.video_spatial_filter_mode | (cx->params.video_temporal_filter_mode << 1) | (cx->params.video_median_filter_type << 2); cx->params.port = CX2341X_PORT_MEMORY; cx->params.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_AC3; init_waitqueue_head(&cx->cap_w); init_waitqueue_head(&cx->mb_apu_waitq); init_waitqueue_head(&cx->mb_cpu_waitq); init_waitqueue_head(&cx->dma_waitq); /* VBI */ cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; /* * The VBI line sizes depend on the pixel clock and the horiz rate * * (1/Fh)*(2*Fp) = Samples/line * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples * * Sliced VBI is sent as ancillary data during horizontal blanking * Raw VBI is sent as active video samples during vertcal blanking * * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line * length of 720 pixels @ 4:2:2 sampling. Thus... * * For systems that use a 15.734 kHz horizontal rate, such as * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: * * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples * * For systems that use a 15.625 kHz horizontal rate, such as * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: * * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples * */ /* FIXME: init these based on tuner std & modify when std changes */ /* CX18-AV-Core number of VBI samples output per horizontal line */ cx->vbi.raw_decoder_line_size = 1444; /* 4 byte SAV + 2 * 720 */ cx->vbi.sliced_decoder_line_size = 272; /* 60 Hz: 268+4, 50 Hz: 280+4 */ /* CX18-AV-Core VBI samples/line possibly rounded up */ cx->vbi.raw_size = 1444; /* Real max size is 1444 */ cx->vbi.sliced_size = 284; /* Real max size is 284 */ /* * CX18-AV-Core SAV/EAV RP codes in VIP 1.x mode * Task Field VerticalBlank HorizontalBlank 0 0 0 0 */ cx->vbi.raw_decoder_sav_odd_field = 0x20; /* V */ cx->vbi.raw_decoder_sav_even_field = 0x60; /* FV */ cx->vbi.sliced_decoder_sav_odd_field = 0xB0; /* T VH - actually EAV */ cx->vbi.sliced_decoder_sav_even_field = 0xF0; /* TFVH - actually EAV */ return 0; } /* Second initialization part. Here the card type has been autodetected. */ static void __devinit cx18_init_struct2(struct cx18 *cx) { int i; for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++) if (cx->card->video_inputs[i].video_type == 0) break; cx->nof_inputs = i; for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++) if (cx->card->audio_inputs[i].audio_type == 0) break; cx->nof_audio_inputs = i; /* Find tuner input */ for (i = 0; i < cx->nof_inputs; i++) { if (cx->card->video_inputs[i].video_type == CX18_CARD_INPUT_VID_TUNER) break; } if (i == cx->nof_inputs) i = 0; cx->active_input = i; cx->audio_input = cx->card->video_inputs[i].audio_index; cx->av_state.vid_input = CX18_AV_COMPOSITE7; cx->av_state.aud_input = CX18_AV_AUDIO8; cx->av_state.audclk_freq = 48000; cx->av_state.audmode = V4L2_TUNER_MODE_LANG1; /* FIXME - 8 is NTSC value, investigate */ cx->av_state.vbi_line_offset = 8; } static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, const struct pci_device_id *pci_id) { u16 cmd; unsigned char pci_latency; CX18_DEBUG_INFO("Enabling pci device\n"); if (pci_enable_device(dev)) { CX18_ERR("Can't enable device %d!\n", cx->num); return -EIO; } if (pci_set_dma_mask(dev, 0xffffffff)) { CX18_ERR("No suitable DMA available on card %d.\n", cx->num); return -EIO; } if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { CX18_ERR("Cannot request encoder memory region on card %d.\n", cx->num); return -EIO; } /* Enable bus mastering and memory mapped IO for the CX23418 */ pci_read_config_word(dev, PCI_COMMAND, &cmd); cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config_word(dev, PCI_COMMAND, cmd); pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); if (pci_latency < 64 && cx18_pci_latency) { CX18_INFO("Unreasonably low latency timer, " "setting to 64 (was %d)\n", pci_latency); pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); } CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " "irq: %d, latency: %d, memory: 0x%lx\n", cx->dev->device, cx->card_rev, dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), cx->dev->irq, pci_latency, (unsigned long)cx->base_addr); return 0; } #ifdef MODULE static u32 cx18_request_module(struct cx18 *cx, u32 hw, const char *name, u32 id) { if ((hw & id) == 0) return hw; if (request_module(name) != 0) { CX18_ERR("Failed to load module %s\n", name); return hw & ~id; } CX18_DEBUG_INFO("Loaded module %s\n", name); return hw; } #endif static void cx18_load_and_init_modules(struct cx18 *cx) { u32 hw = cx->card->hw_all; int i; #ifdef MODULE /* load modules */ #ifdef CONFIG_MEDIA_TUNER_MODULE hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER); #endif #ifdef CONFIG_VIDEO_CS5345_MODULE hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345); #endif #endif /* check which i2c devices are actually found */ for (i = 0; i < 32; i++) { u32 device = 1 << i; if (!(device & hw)) continue; if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM || device == CX18_HW_CX23418 || device == CX18_HW_DVB) { /* These 'devices' do not use i2c probing */ cx->hw_flags |= device; continue; } cx18_i2c_register(cx, i); if (cx18_i2c_hw_addr(cx, device) > 0) cx->hw_flags |= device; } hw = cx->hw_flags; } static int __devinit cx18_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) { int retval = 0; int i; int vbi_buf_size; u32 devtype; struct cx18 *cx; spin_lock(&cx18_cards_lock); /* Make sure we've got a place for this card */ if (cx18_cards_active == CX18_MAX_CARDS) { printk(KERN_ERR "cx18: Maximum number of cards detected (%d).\n", cx18_cards_active); spin_unlock(&cx18_cards_lock); return -ENOMEM; } cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); if (!cx) { spin_unlock(&cx18_cards_lock); return -ENOMEM; } cx18_cards[cx18_cards_active] = cx; cx->dev = dev; cx->num = cx18_cards_active++; snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num); CX18_INFO("Initializing card #%d\n", cx->num); spin_unlock(&cx18_cards_lock); cx18_process_options(cx); if (cx->options.cardtype == -1) { retval = -ENODEV; goto err; } if (cx18_init_struct1(cx)) { retval = -ENOMEM; goto err; } CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr); /* PCI Device Setup */ retval = cx18_setup_pci(cx, dev, pci_id); if (retval != 0) goto free_workqueue; /* save cx in the pci struct for later use */ pci_set_drvdata(dev, cx); /* map io memory */ CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n", cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); if (!cx->enc_mem) { CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n"); CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n"); retval = -ENOMEM; goto free_mem; } cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; devtype = cx18_read_reg(cx, 0xC72028); switch (devtype & 0xff000000) { case 0xff000000: CX18_INFO("cx23418 revision %08x (A)\n", devtype); break; case 0x01000000: CX18_INFO("cx23418 revision %08x (B)\n", devtype); break; default: CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); break; } cx18_init_power(cx, 1); cx18_init_memory(cx); cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET); cx18_init_scb(cx); cx18_gpio_init(cx); /* active i2c */ CX18_DEBUG_INFO("activating i2c...\n"); retval = init_cx18_i2c(cx); if (retval) { CX18_ERR("Could not initialize i2c\n"); goto free_map; } CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active); if (cx->card->hw_all & CX18_HW_TVEEPROM) { /* Based on the model number the cardtype may be changed. The PCI IDs are not always reliable. */ cx18_process_eeprom(cx); } if (cx->card->comment) CX18_INFO("%s", cx->card->comment); if (cx->card->v4l2_capabilities == 0) { retval = -ENODEV; goto free_i2c; } cx18_init_memory(cx); cx18_init_scb(cx); /* Register IRQ */ retval = request_irq(cx->dev->irq, cx18_irq_handler, IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx); if (retval) { CX18_ERR("Failed to register irq %d\n", retval); goto free_i2c; } if (cx->std == 0) cx->std = V4L2_STD_NTSC_M; if (cx->options.tuner == -1) { for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { if ((cx->std & cx->card->tuners[i].std) == 0) continue; cx->options.tuner = cx->card->tuners[i].tuner; break; } } /* if no tuner was found, then pick the first tuner in the card list */ if (cx->options.tuner == -1 && cx->card->tuners[0].std) { cx->std = cx->card->tuners[0].std; if (cx->std & V4L2_STD_PAL) cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H; else if (cx->std & V4L2_STD_NTSC) cx->std = V4L2_STD_NTSC_M; else if (cx->std & V4L2_STD_SECAM) cx->std = V4L2_STD_SECAM_L; cx->options.tuner = cx->card->tuners[0].tuner; } if (cx->options.radio == -1) cx->options.radio = (cx->card->radio_input.audio_type != 0); /* The card is now fully identified, continue with card-specific initialization. */ cx18_init_struct2(cx); cx18_load_and_init_modules(cx); if (cx->std & V4L2_STD_525_60) { cx->is_60hz = 1; cx->is_out_60hz = 1; } else { cx->is_50hz = 1; cx->is_out_50hz = 1; } cx->params.video_gop_size = cx->is_60hz ? 15 : 12; /* * FIXME: setting the buffer size based on the tuner standard is * suboptimal, as the CVBS and SVideo inputs could use a different std * and the buffer could end up being too small in that case. */ vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size; if (cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] < 0) cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] * 1024 * 1024 / vbi_buf_size; else cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] * vbi_buf_size / (1024 * 1024); if (cx->options.radio > 0) cx->v4l2_cap |= V4L2_CAP_RADIO; if (cx->options.tuner > -1) { struct tuner_setup setup; setup.addr = ADDR_UNSET; setup.type = cx->options.tuner; setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ setup.tuner_callback = (setup.type == TUNER_XC2028) ? cx18_reset_tuner_gpio : NULL; cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup); if (setup.type == TUNER_XC2028) { static struct xc2028_ctrl ctrl = { .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, }; struct v4l2_priv_tun_config cfg = { .tuner = cx->options.tuner, .priv = &ctrl, }; cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg); } } /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) are not. */ cx->tuner_std = cx->std; retval = cx18_streams_setup(cx); if (retval) { CX18_ERR("Error %d setting up streams\n", retval); goto free_irq; } retval = cx18_streams_register(cx); if (retval) { CX18_ERR("Error %d registering devices\n", retval); goto free_streams; } CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name); return 0; free_streams: cx18_streams_cleanup(cx, 1); free_irq: free_irq(cx->dev->irq, (void *)cx); free_i2c: exit_cx18_i2c(cx); free_map: cx18_iounmap(cx); free_mem: release_mem_region(cx->base_addr, CX18_MEM_SIZE); free_workqueue: destroy_workqueue(cx->work_queue); err: if (retval == 0) retval = -ENODEV; CX18_ERR("Error %d on initialization\n", retval); i = cx->num; spin_lock(&cx18_cards_lock); kfree(cx18_cards[i]); cx18_cards[i] = NULL; spin_unlock(&cx18_cards_lock); return retval; } int cx18_init_on_first_open(struct cx18 *cx) { int video_input; int fw_retry_count = 3; struct v4l2_frequency vf; struct cx18_open_id fh; fh.cx = cx; if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) return -ENXIO; if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) return 0; while (--fw_retry_count > 0) { /* load firmware */ if (cx18_firmware_init(cx) == 0) break; if (fw_retry_count > 1) CX18_WARN("Retry loading firmware\n"); } if (fw_retry_count == 0) { set_bit(CX18_F_I_FAILED, &cx->i_flags); return -ENXIO; } set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); /* * Init the firmware twice to work around a silicon bug * with the digital TS. * * The second firmware load requires us to normalize the APU state, * or the audio for the first analog capture will be badly incorrect. * * I can't seem to call APU_RESETAI and have it succeed without the * APU capturing audio, so we start and stop it here to do the reset */ /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); cx18_vapi(cx, CX18_APU_RESETAI, 0); cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); fw_retry_count = 3; while (--fw_retry_count > 0) { /* load firmware */ if (cx18_firmware_init(cx) == 0) break; if (fw_retry_count > 1) CX18_WARN("Retry loading firmware\n"); } if (fw_retry_count == 0) { set_bit(CX18_F_I_FAILED, &cx->i_flags); return -ENXIO; } vf.tuner = 0; vf.type = V4L2_TUNER_ANALOG_TV; vf.frequency = 6400; /* the tuner 'baseline' frequency */ /* Set initial frequency. For PAL/SECAM broadcasts no 'default' channel exists AFAIK. */ if (cx->std == V4L2_STD_NTSC_M_JP) vf.frequency = 1460; /* ch. 1 91250*16/1000 */ else if (cx->std & V4L2_STD_NTSC_M) vf.frequency = 1076; /* ch. 4 67250*16/1000 */ video_input = cx->active_input; cx->active_input++; /* Force update of input */ cx18_s_input(NULL, &fh, video_input); /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code in one place. */ cx->std++; /* Force full standard initialization */ cx18_s_std(NULL, &fh, &cx->tuner_std); cx18_s_frequency(NULL, &fh, &vf); return 0; } static void cx18_cancel_epu_work_orders(struct cx18 *cx) { int i; for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) cancel_work_sync(&cx->epu_work_order[i].work); } static void cx18_remove(struct pci_dev *pci_dev) { struct cx18 *cx = pci_get_drvdata(pci_dev); CX18_DEBUG_INFO("Removing Card #%d\n", cx->num); /* Stop all captures */ CX18_DEBUG_INFO("Stopping all streams\n"); if (atomic_read(&cx->tot_capturing) > 0) cx18_stop_all_captures(cx); /* Interrupts */ cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); cx18_halt_firmware(cx); cx18_cancel_epu_work_orders(cx); destroy_workqueue(cx->work_queue); cx18_streams_cleanup(cx, 1); exit_cx18_i2c(cx); free_irq(cx->dev->irq, (void *)cx); cx18_iounmap(cx); release_mem_region(cx->base_addr, CX18_MEM_SIZE); pci_disable_device(cx->dev); CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); } /* define a pci_driver for card detection */ static struct pci_driver cx18_pci_driver = { .name = "cx18", .id_table = cx18_pci_tbl, .probe = cx18_probe, .remove = cx18_remove, }; static int module_start(void) { printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION); memset(cx18_cards, 0, sizeof(cx18_cards)); /* Validate parameters */ if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n", CX18_MAX_CARDS - 1); return -1; } if (cx18_debug < 0 || cx18_debug > 511) { cx18_debug = 0; printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); } if (pci_register_driver(&cx18_pci_driver)) { printk(KERN_ERR "cx18: Error detecting PCI card\n"); return -ENODEV; } printk(KERN_INFO "cx18: End initialization\n"); return 0; } static void module_cleanup(void) { int i; pci_unregister_driver(&cx18_pci_driver); for (i = 0; i < cx18_cards_active; i++) { if (cx18_cards[i] == NULL) continue; kfree(cx18_cards[i]); } } module_init(module_start); module_exit(module_cleanup);