diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-driver.c')
| -rw-r--r-- | drivers/media/pci/cx18/cx18-driver.c | 1360 |
1 files changed, 1360 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c new file mode 100644 index 00000000000..039133d692e --- /dev/null +++ b/drivers/media/pci/cx18/cx18-driver.c @@ -0,0 +1,1360 @@ +/* + * 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> + * + * 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-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 "tuner-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 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); + +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_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); +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 != NULL) + 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 == 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; + } +} + +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(&c, 0, sizeof(c)); + strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name)); + c.adapter = &cx->i2c_adap[0]; + c.addr = 0xA0 >> 1; + + memset(tv, 0, sizeof(*tv)); + if (tveeprom_read(&c, eedata, sizeof(eedata))) + return; + + 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(&c, 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; + } +} + +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 == NULL) { + 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 == 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->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 == NULL) { + 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 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; +} + +static int __devinit 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(cx->in_workq_name, 0); + if (cx->in_work_queue == NULL) { + CX18_ERR("Unable to create incoming mailbox handler thread\n"); + return -ENOMEM; + } + return 0; +} + +static void __devinit 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 __devinit 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 __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; +} + +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 (pci_set_dma_mask(pci_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 __devinit 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(struct cx18), GFP_ATOMIC); + if (cx == NULL) { + printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n", + i); + 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_nocache(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 controller" + "subdevice; 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 | IRQF_DISABLED, + 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 */ + 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: + if (retval == 0) + retval = -ENODEV; + 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 != NULL) + 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] != NULL) + 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); |