| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Hans Verkuil | 4289 | 66.52% | 16 | 17.39% |
| Andy Walls | 1839 | 28.52% | 43 | 46.74% |
| Devin Heitmueller | 179 | 2.78% | 2 | 2.17% |
| Mauro Carvalho Chehab | 39 | 0.60% | 6 | 6.52% |
| Tejun Heo | 23 | 0.36% | 3 | 3.26% |
| Dan Carpenter | 19 | 0.29% | 1 | 1.09% |
| SF Markus Elfring | 9 | 0.14% | 3 | 3.26% |
| Santosh Nayak | 7 | 0.11% | 1 | 1.09% |
| Tim Gardner | 5 | 0.08% | 1 | 1.09% |
| Gerd Knorr | 4 | 0.06% | 1 | 1.09% |
| Björn Mork | 4 | 0.06% | 1 | 1.09% |
| Alexey Chernov | 4 | 0.06% | 1 | 1.09% |
| Christophe Jaillet | 4 | 0.06% | 1 | 1.09% |
| Markus Rechberger | 4 | 0.06% | 1 | 1.09% |
| Kees Cook | 4 | 0.06% | 1 | 1.09% |
| Thomas Gleixner | 2 | 0.03% | 1 | 1.09% |
| Björn Helgaas | 2 | 0.03% | 1 | 1.09% |
| Peter Hüwe | 2 | 0.03% | 1 | 1.09% |
| Danny Kukawka | 2 | 0.03% | 1 | 1.09% |
| Nathan Chancellor | 2 | 0.03% | 1 | 1.09% |
| Arvind Yadav | 1 | 0.02% | 1 | 1.09% |
| Sri Deevi | 1 | 0.02% | 1 | 1.09% |
| Christoph Hellwig | 1 | 0.02% | 1 | 1.09% |
| Al Viro | 1 | 0.02% | 1 | 1.09% |
| Julia Lawall | 1 | 0.02% | 1 | 1.09% |
| Total | 6448 | 92 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * cx18 driver initialization and card probing * * Derived from ivtv-driver.c * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> */ #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-queue.h" #include "cx18-streams.h" #include "cx18-av-core.h" #include "cx18-scb.h" #include "cx18-mailbox.h" #include "cx18-ioctl.h" #include "cx18-controls.h" #include "xc2028.h" #include <linux/dma-mapping.h> #include <media/tveeprom.h> /* 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; /* Callback for registering extensions */ int (*cx18_ext_init)(struct cx18 *); EXPORT_SYMBOL(cx18_ext_init); /* add your revision and whatnot here */ static const struct pci_device_id cx18_pci_tbl[] = { {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); static atomic_t cx18_instance = ATOMIC_INIT(0); /* 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; 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 = CX18_MAX_FW_MDLS_PER_STREAM; 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, int, &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); 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 8 = Leadtek WinFast DVR3100 H\n" "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n" "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\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, "(Deprecated) Encoder IDX buffer memory (MB)\n" "\t\t\tIgnored, except 0 disables IDX buffer allocations\n" "\t\t\tDefault: 1 [Enabled]"); MODULE_PARM_DESC(enc_idx_bufsize, "Size of an encoder IDX buffer (kB)\n" "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n" "\t\t\t(multiples of size required for 64 index entries)\n" "\t\t\tDefault: 2"); MODULE_PARM_DESC(enc_idx_bufs, "Number of encoder IDX buffers\n" "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM)); 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\tAllowed values are multiples of 33.75 kB rounded up\n" "\t\t\t(multiples of size required for 32 screen lines)\n" "\t\t\tDefault: 102"); 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"); 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 device node number assigned to first card"); MODULE_AUTHOR("Hans Verkuil"); MODULE_DESCRIPTION("CX23418 driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(CX18_VERSION); #if defined(CONFIG_MODULES) && defined(MODULE) static void request_module_async(struct work_struct *work) { struct cx18 *dev = container_of(work, struct cx18, request_module_wk); /* Make sure cx18-alsa module is loaded */ request_module("cx18-alsa"); /* Initialize cx18-alsa for this instance of the cx18 device */ if (cx18_ext_init) cx18_ext_init(dev); } static void request_modules(struct cx18 *dev) { INIT_WORK(&dev->request_module_wk, request_module_async); schedule_work(&dev->request_module_wk); } static void flush_request_modules(struct cx18 *dev) { flush_work(&dev->request_module_wk); } #else #define request_modules(dev) #define flush_request_modules(dev) #endif /* CONFIG_MODULES */ /* 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) return; /* Release io memory */ if (cx->enc_mem) { CX18_DEBUG_INFO("releasing enc_mem\n"); iounmap(cx->enc_mem); cx->enc_mem = NULL; } } static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len) { int i; CX18_INFO("eeprom dump:\n"); for (i = 0; i < len; i++) { if (0 == (i % 16)) CX18_INFO("eeprom %02x:", i); printk(KERN_CONT " %02x", eedata[i]); if (15 == (i % 16)) printk(KERN_CONT "\n"); } } /* Hauppauge card? get values from tveeprom */ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) { struct i2c_client *c; u8 eedata[256]; memset(tv, 0, sizeof(*tv)); c = kzalloc(sizeof(*c), GFP_KERNEL); if (!c) return; strscpy(c->name, "cx18 tveeprom tmp", sizeof(c->name)); c->adapter = &cx->i2c_adap[0]; c->addr = 0xa0 >> 1; if (tveeprom_read(c, eedata, sizeof(eedata))) goto ret; switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: case CX18_CARD_HVR_1600_S5H1411: tveeprom_hauppauge_analog(tv, eedata); break; case CX18_CARD_YUAN_MPC718: case CX18_CARD_GOTVIEW_PCI_DVD3: tv->model = 0x718; cx18_eeprom_dump(cx, eedata, sizeof(eedata)); CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n", eedata[2], eedata[1], eedata[4], eedata[3]); break; default: tv->model = 0xffffffff; cx18_eeprom_dump(cx, eedata, sizeof(eedata)); break; } ret: kfree(c); } 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 74301: /* Retail models */ case 74321: case 74351: /* OEM models */ case 74361: /* Digital side is s5h1411/tda18271 */ cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411); break; case 74021: /* Retail models */ case 74031: case 74041: case 74141: case 74541: /* OEM models */ case 74551: case 74591: case 74651: case 74691: case 74751: case 74891: /* Digital side is s5h1409/mxl5005s */ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); break; case 0x718: return; case 0xffffffff: CX18_INFO("Unknown EEPROM encoding\n"); return; case 0: CX18_ERR("Invalid EEPROM\n"); return; default: CX18_ERR("Unknown model %d, defaulting to original HVR-1600 (cardtype=1)\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!\n"); 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 */ #define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \ V4L2_STD_MN | \ V4L2_STD_PAL_I | \ V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \ V4L2_STD_DK) if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL) == TVEEPROM_TUNER_FORMAT_ALL) { CX18_DEBUG_INFO("Worldwide tuner detected\n"); cx->std = V4L2_STD_ALL; } else 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] = VBI_ACTIVE_SAMPLES * 36; 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 */ /* Ensure stream_buffers & stream_buf_size are valid */ for (i = 0; i < CX18_MAX_STREAMS; i++) { if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */ cx->options.megabytes[i] <= 0 || /* User said 0 MB total */ cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */ cx->options.megabytes[i] = 0; cx->stream_buffers[i] = 0; cx->stream_buf_size[i] = 0; continue; } /* * YUV is a special case where the stream_buf_size needs to be * an integral multiple of 33.75 kB (storage for 32 screens * lines to maintain alignment in case of lost buffers). * * IDX is a special case where the stream_buf_size should be * an integral multiple of 1.5 kB (storage for 64 index entries * to maintain alignment in case of lost buffers). * */ if (i == CX18_ENC_STREAM_TYPE_YUV) { cx->stream_buf_size[i] *= 1024; cx->stream_buf_size[i] -= (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE); if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE) cx->stream_buf_size[i] = CX18_UNIT_ENC_YUV_BUFSIZE; } else if (i == CX18_ENC_STREAM_TYPE_IDX) { cx->stream_buf_size[i] *= 1024; cx->stream_buf_size[i] -= (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE); if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE) cx->stream_buf_size[i] = CX18_UNIT_ENC_IDX_BUFSIZE; } /* * YUV and IDX are special cases where the stream_buf_size is * now in bytes. * VBI is a special case where the stream_buf_size is fixed * and already in bytes */ if (i == CX18_ENC_STREAM_TYPE_VBI || i == CX18_ENC_STREAM_TYPE_YUV || i == CX18_ENC_STREAM_TYPE_IDX) { if (cx->stream_buffers[i] < 0) { cx->stream_buffers[i] = cx->options.megabytes[i] * 1024 * 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 * 1024); } } else { /* All other streams have stream_buf_size in kB here */ 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; } /* convert from kB to bytes */ cx->stream_buf_size[i] *= 1024; } CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n", i, cx->options.megabytes[i], cx->stream_buffers[i], cx->stream_buf_size[i]); } cx->options.cardtype = cardtype[cx->instance]; cx->options.tuner = tuner[cx->instance]; cx->options.radio = radio[cx->instance]; 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) { if (cx->pci_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) { for (i = 0; (cx->card = cx18_get_card(i)); i++) { if (!cx->card->pci_list) continue; for (j = 0; cx->card->pci_list[j].device; j++) { if (cx->pci_dev->device != cx->card->pci_list[j].device) continue; if (cx->pci_dev->subsystem_vendor != cx->card->pci_list[j].subsystem_vendor) continue; if (cx->pci_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) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", cx->pci_dev->vendor, cx->pci_dev->device); CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", cx->pci_dev->subsystem_vendor, cx->pci_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 linux-media mailinglist (www.linuxtv.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; } static int cx18_create_in_workq(struct cx18 *cx) { snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", cx->v4l2_dev.name); cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name); if (!cx->in_work_queue) { CX18_ERR("Unable to create incoming mailbox handler thread\n"); return -ENOMEM; } return 0; } static void cx18_init_in_work_orders(struct cx18 *cx) { int i; for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { cx->in_work_order[i].cx = cx; cx->in_work_order[i].str = cx->epu_debug_str; INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler); } } /* Precondition: the cx18 structure has been memset to 0. Only the dev and instance fields have been filled in. No assumptions on the card type may be made here (see cx18_init_struct2 for that). */ static int cx18_init_struct1(struct cx18 *cx) { int ret; cx->base_addr = pci_resource_start(cx->pci_dev, 0); mutex_init(&cx->serialize_lock); mutex_init(&cx->gpio_lock); mutex_init(&cx->epu2apu_mb_lock); mutex_init(&cx->epu2cpu_mb_lock); ret = cx18_create_in_workq(cx); if (ret) return ret; cx18_init_in_work_orders(cx); /* start counting open_id at 1 */ cx->open_id = 1; /* Initial settings */ cx->cxhdl.port = CX2341X_PORT_MEMORY; cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI; cx->cxhdl.ops = &cx18_cxhdl_ops; cx->cxhdl.func = cx18_api_func; cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; ret = cx2341x_handler_init(&cx->cxhdl, 50); if (ret) return ret; cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl; cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val; cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val; cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val | (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) | (cx->cxhdl.video_median_filter_type->cur.val << 2); 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; /* IVTV style VBI insertion into MPEG streams */ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list); INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list); INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list); list_add(&cx->vbi.sliced_mpeg_buf.list, &cx->vbi.sliced_mpeg_mdl.buf_list); return 0; } /* Second initialization part. Here the card type has been autodetected. */ static void cx18_init_struct2(struct cx18 *cx) { int i; for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS - 1; i++) if (cx->card->video_inputs[i].video_type == 0) break; cx->nof_inputs = i; for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS - 1; 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; } static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_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(pci_dev)) { CX18_ERR("Can't enable device %d!\n", cx->instance); return -EIO; } if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) { CX18_ERR("No suitable DMA available, card %d\n", cx->instance); return -EIO; } if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { CX18_ERR("Cannot request encoder memory region, card %d\n", cx->instance); return -EIO; } /* Enable bus mastering and memory mapped IO for the CX23418 */ pci_read_config_word(pci_dev, PCI_COMMAND, &cmd); cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config_word(pci_dev, PCI_COMMAND, cmd); cx->card_rev = pci_dev->revision; pci_read_config_byte(pci_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(pci_dev, PCI_LATENCY_TIMER, 64); pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); } CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n", cx->pci_dev->device, cx->card_rev, pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn), cx->pci_dev->irq, pci_latency, (u64)cx->base_addr); return 0; } static void cx18_init_subdevs(struct cx18 *cx) { u32 hw = cx->card->hw_all; u32 device; int i; for (i = 0, device = 1; i < 32; i++, device <<= 1) { if (!(device & hw)) continue; switch (device) { case CX18_HW_DVB: case CX18_HW_TVEEPROM: /* These subordinate devices do not use probing */ cx->hw_flags |= device; break; case CX18_HW_418_AV: /* The A/V decoder gets probed earlier to set PLLs */ /* Just note that the card uses it (i.e. has analog) */ cx->hw_flags |= device; break; case CX18_HW_GPIO_RESET_CTRL: /* * The Reset Controller gets probed and added to * hw_flags earlier for i2c adapter/bus initialization */ break; case CX18_HW_GPIO_MUX: if (cx18_gpio_register(cx, device) == 0) cx->hw_flags |= device; break; default: if (cx18_i2c_register(cx, i) == 0) cx->hw_flags |= device; break; } } if (cx->hw_flags & CX18_HW_418_AV) cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV); if (cx->card->hw_muxer != 0) cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer); } static int cx18_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { int retval = 0; int i; u32 devtype; struct cx18 *cx; /* FIXME - module parameter arrays constrain max instances */ i = atomic_inc_return(&cx18_instance) - 1; if (i >= CX18_MAX_CARDS) { printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n", i, CX18_MAX_CARDS - 1); return -ENOMEM; } cx = kzalloc(sizeof(*cx), GFP_KERNEL); if (!cx) return -ENOMEM; cx->pci_dev = pci_dev; cx->instance = i; retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev); if (retval) { printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n", cx->instance); kfree(cx); return retval; } snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d", cx->instance); CX18_INFO("Initializing card %d\n", cx->instance); cx18_process_options(cx); if (cx->options.cardtype == -1) { retval = -ENODEV; goto err; } retval = cx18_init_struct1(cx); if (retval) goto err; CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr); /* PCI Device Setup */ retval = cx18_setup_pci(cx, pci_dev, pci_id); if (retval != 0) goto free_workqueues; /* map io memory */ CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n", (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); cx->enc_mem = ioremap(cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); if (!cx->enc_mem) { CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n"); CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n"); CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n"); CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\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); /* Initialize integrated A/V decoder early to set PLLs, just in case */ retval = cx18_av_probe(cx); if (retval) { CX18_ERR("Could not register A/V decoder subdevice\n"); goto free_map; } /* Initialize GPIO Reset Controller to do chip resets during i2c init */ if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) { if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0) CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n"); else cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL; } /* 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; } 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. */ const struct cx18_card *orig_card = cx->card; cx18_process_eeprom(cx); if (cx->card != orig_card) { /* Changed the cardtype; re-reset the I2C chips */ cx18_gpio_init(cx); cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset, (u32) CX18_GPIO_RESET_I2C); } } 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->pci_dev->irq, cx18_irq_handler, IRQF_SHARED, cx->v4l2_dev.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_init_subdevs(cx); if (cx->std & V4L2_STD_525_60) cx->is_60hz = 1; else cx->is_50hz = 1; cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz); 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.config = NULL; if (cx->options.radio > 0) setup.mode_mask |= T_RADIO; setup.tuner_callback = (setup.type == TUNER_XC2028) ? cx18_reset_tuner_gpio : NULL; cx18_call_all(cx, tuner, s_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_all(cx, tuner, s_config, &cfg); } } /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) are not. */ cx->tuner_std = cx->std; if (cx->std == V4L2_STD_ALL) cx->std = V4L2_STD_NTSC_M; 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: %s\n", cx->card_name); /* Load cx18 submodules (cx18-alsa) */ request_modules(cx); return 0; free_streams: cx18_streams_cleanup(cx, 1); free_irq: free_irq(cx->pci_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_workqueues: destroy_workqueue(cx->in_work_queue); err: CX18_ERR("Error %d on initialization\n", retval); v4l2_device_unregister(&cx->v4l2_dev); kfree(cx); 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; v4l2_std_id std; 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; } /* * 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); /* Init the A/V decoder, if it hasn't been already */ v4l2_subdev_call(cx->sd_av, core, load_fw); 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 */ std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std; cx18_s_std(NULL, &fh, std); cx18_s_frequency(NULL, &fh, &vf); return 0; } static void cx18_cancel_in_work_orders(struct cx18 *cx) { int i; for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) cancel_work_sync(&cx->in_work_order[i].work); } static void cx18_cancel_out_work_orders(struct cx18 *cx) { int i; for (i = 0; i < CX18_MAX_STREAMS; i++) if (cx->streams[i].video_dev.v4l2_dev) cancel_work_sync(&cx->streams[i].out_work_order); } static void cx18_remove(struct pci_dev *pci_dev) { struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); struct cx18 *cx = to_cx18(v4l2_dev); int i; CX18_DEBUG_INFO("Removing Card\n"); flush_request_modules(cx); /* Stop all captures */ CX18_DEBUG_INFO("Stopping all streams\n"); if (atomic_read(&cx->tot_capturing) > 0) cx18_stop_all_captures(cx); /* Stop interrupts that cause incoming work to be queued */ cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); /* Incoming work can cause outgoing work, so clean up incoming first */ cx18_cancel_in_work_orders(cx); cx18_cancel_out_work_orders(cx); /* Stop ack interrupts that may have been needed for work to finish */ cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); cx18_halt_firmware(cx); destroy_workqueue(cx->in_work_queue); cx18_streams_cleanup(cx, 1); exit_cx18_i2c(cx); free_irq(cx->pci_dev->irq, (void *)cx); cx18_iounmap(cx); release_mem_region(cx->base_addr, CX18_MEM_SIZE); pci_disable_device(cx->pci_dev); if (cx->vbi.sliced_mpeg_data[0]) for (i = 0; i < CX18_VBI_FRAMES; i++) kfree(cx->vbi.sliced_mpeg_data[i]); v4l2_ctrl_handler_free(&cx->av_state.hdl); CX18_INFO("Removed %s\n", cx->card_name); v4l2_device_unregister(v4l2_dev); kfree(cx); } /* 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 __init module_start(void) { printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION); /* 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 __exit module_cleanup(void) { pci_unregister_driver(&cx18_pci_driver); } module_init(module_start); module_exit(module_cleanup); MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);
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