* Derived from ivtv-driver.c
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
- * Copyright (C) 2008 Andy Walls <awalls@radix.net>
+ * 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
#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 <media/tveeprom.h>
-
-/* 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
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);
+/* 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 = {
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 mmio_ndelay[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 int mmio_ndelay_c = 1;
static char pal[] = "--";
static char secam[] = "--";
static char ntsc[] = "-";
/* Buffers */
-static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_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, bool, &radio_c, 0644);
module_param_array(cardtype, int, &cardtype_c, 0644);
-module_param_array(mmio_ndelay, int, &mmio_ndelay_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_mpg_buffers, 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,
"\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 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(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,
- "Delay (ns) for each CX23418 memory mapped IO access.\n"
- "\t\t\tTry larger values that are close to a multiple of the\n"
- "\t\t\tPCI clock period, 30.3 ns, if your card doesn't work.\n"
- "\t\t\tDefault: " __stringify(CX18_DEFAULT_MMIO_NDELAY));
-MODULE_PARM_DESC(enc_mpg_buffers,
- "Encoder MPG Buffers (in MB)\n"
- "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
+ "(Deprecated) MMIO accesses are now never purposely delayed\n"
+ "\t\t\tEffectively: 0 ns");
MODULE_PARM_DESC(enc_ts_buffers,
- "Encoder TS Buffers (in MB)\n"
+ "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 Buffers (in MB)\n"
+ "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 Buffers (in MB)\n"
+ "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 buffers (in MB)\n"
+ "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 minor assigned to first card");
+MODULE_PARM_DESC(cx18_first_minor,
+ "Set device node number assigned to first card");
MODULE_AUTHOR("Hans Verkuil");
MODULE_DESCRIPTION("CX23418 driver");
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);
+}
+#else
+#define request_modules(dev)
+#endif /* CONFIG_MODULES */
+
/* Generic utility functions */
int cx18_msleep_timeout(unsigned int msecs, int intr)
{
- int timeout = msecs_to_jiffies(msecs);
+ long int timeout = msecs_to_jiffies(msecs);
int sig;
do {
}
}
+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];
- 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);
+ 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:
+ tveeprom_hauppauge_analog(&c, tv, eedata);
+ break;
+ case CX18_CARD_YUAN_MPC718:
+ 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)
case 74000 ... 74999:
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;
CX18_INFO("Autodetected %s\n", cx->card_name);
if (tv.tuner_type == TUNER_ABSENT)
- CX18_ERR("tveeprom cannot autodetect tuner!");
+ CX18_ERR("tveeprom cannot autodetect tuner!\n");
if (cx->options.tuner == -1)
cx->options.tuner = tv.tuner_type;
{
int i, j;
- cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
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.cardtype = cardtype[cx->num];
- cx->options.tuner = tuner[cx->num];
- cx->options.radio = radio[cx->num];
+ 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]);
+ }
- if (mmio_ndelay[cx->num] < 0)
- cx->options.mmio_ndelay = CX18_DEFAULT_MMIO_NDELAY;
- else
- cx->options.mmio_ndelay = mmio_ndelay[cx->num];
+ 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) {
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) {
+ 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->pci_list == NULL)
continue;
for (j = 0; cx->card->pci_list[j].device; j++) {
- if (cx->dev->device !=
+ if (cx->pci_dev->device !=
cx->card->pci_list[j].device)
continue;
- if (cx->dev->subsystem_vendor !=
+ if (cx->pci_dev->subsystem_vendor !=
cx->card->pci_list[j].subsystem_vendor)
continue;
- if (cx->dev->subsystem_device !=
+ if (cx->pci_dev->subsystem_device !=
cx->card->pci_list[j].subsystem_device)
continue;
CX18_INFO("Autodetected %s card\n", cx->card->name);
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);
+ cx->pci_dev->vendor, cx->pci_dev->device);
CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n",
- cx->dev->subsystem_vendor, cx->dev->subsystem_device);
+ 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");
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 = create_singlethread_workqueue(cx->in_workq_name);
+ if (cx->in_work_queue == NULL) {
+ CX18_ERR("Unable to create incoming mailbox handler thread\n");
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static int __devinit cx18_create_out_workq(struct cx18 *cx)
+{
+ snprintf(cx->out_workq_name, sizeof(cx->out_workq_name), "%s-out",
+ cx->v4l2_dev.name);
+ cx->out_work_queue = create_workqueue(cx->out_workq_name);
+ if (cx->out_work_queue == NULL) {
+ CX18_ERR("Unable to create outgoing mailbox handler threads\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 num fields have been filled in.
+ 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)
{
- cx->base_addr = pci_resource_start(cx->dev, 0);
+ int ret;
+
+ cx->base_addr = pci_resource_start(cx->pci_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);
+
+ ret = cx18_create_out_workq(cx);
+ if (ret)
+ return ret;
+
+ ret = cx18_create_in_workq(cx);
+ if (ret) {
+ destroy_workqueue(cx->out_work_queue);
+ return ret;
+ }
- spin_lock_init(&cx->lock);
- spin_lock_init(&cx->dma_reg_lock);
+ cx18_init_in_work_orders(cx);
/* start counting open_id at 1 */
cx->open_id = 1;
(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;
+ cx->params.capabilities =
+ CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
init_waitqueue_head(&cx->cap_w);
init_waitqueue_head(&cx->mb_apu_waitq);
init_waitqueue_head(&cx->mb_cpu_waitq);
- init_waitqueue_head(&cx->mb_epu_waitq);
- init_waitqueue_head(&cx->mb_hpu_waitq);
init_waitqueue_head(&cx->dma_waitq);
/* VBI */
- cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+ cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
- cx->vbi.raw_size = 1456;
- cx->vbi.raw_decoder_line_size = 1456;
- cx->vbi.raw_decoder_sav_odd_field = 0x20;
- cx->vbi.raw_decoder_sav_even_field = 0x60;
- cx->vbi.sliced_decoder_line_size = 272;
- cx->vbi.sliced_decoder_sav_odd_field = 0xB0;
- cx->vbi.sliced_decoder_sav_even_field = 0xF0;
+
+ /* 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;
}
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;
- cx->av_state.vbi_line_offset = 8;
}
-static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
+static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
u16 cmd;
CX18_DEBUG_INFO("Enabling pci device\n");
- if (pci_enable_device(dev)) {
- CX18_ERR("Can't enable device %d!\n", cx->num);
+ if (pci_enable_device(pci_dev)) {
+ CX18_ERR("Can't enable device %d!\n", cx->instance);
return -EIO;
}
- if (pci_set_dma_mask(dev, 0xffffffff)) {
- CX18_ERR("No suitable DMA available on card %d.\n", cx->num);
+ if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
+ 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 on card %d.\n", cx->num);
+ 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(dev, PCI_COMMAND, &cmd);
+ pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
- pci_write_config_word(dev, PCI_COMMAND, cmd);
+ pci_write_config_word(pci_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);
+ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
+ 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(dev, PCI_LATENCY_TIMER, 64);
- pci_read_config_byte(dev, PCI_LATENCY_TIMER, &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%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);
+ 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, (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)
+static void cx18_init_subdevs(struct cx18 *cx)
{
u32 hw = cx->card->hw_all;
+ u32 device;
int i;
-#ifdef MODULE
- /* load modules */
-#ifndef CONFIG_MEDIA_TUNER
- hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER);
-#endif
-#ifndef CONFIG_VIDEO_CS5345
- 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;
+ for (i = 0, device = 1; i < 32; i++, device <<= 1) {
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 */
+
+ switch (device) {
+ case CX18_HW_DVB:
+ case CX18_HW_TVEEPROM:
+ /* These subordinate devices do not use probing */
cx->hw_flags |= device;
- continue;
- }
- cx18_i2c_register(cx, i);
- if (cx18_i2c_hw_addr(cx, device) > 0)
+ 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;
+ }
}
- hw = cx->hw_flags;
+ 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 *dev,
+static int __devinit cx18_probe(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
int retval = 0;
- int vbi_buf_size;
+ int i;
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);
+ /* 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) {
- spin_unlock(&cx18_cards_lock);
+ if (cx == NULL) {
+ printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
+ i);
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);
+ cx->pci_dev = pci_dev;
+ cx->instance = i;
- spin_unlock(&cx18_cards_lock);
+ 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;
}
- if (cx18_init_struct1(cx)) {
- retval = -ENOMEM;
+
+ retval = cx18_init_struct1(cx);
+ if (retval)
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) {
- if (retval == -EIO)
- goto free_workqueue;
- else if (retval == -ENXIO)
- goto free_mem;
- }
- /* save cx in the pci struct for later use */
- pci_set_drvdata(dev, cx);
+ 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%08x len 0x%08x\n",
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");
- if (init_cx18_i2c(cx)) {
+ 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. */
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);
+ 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;
cx->std = V4L2_STD_NTSC_M;
if (cx->options.tuner == -1) {
- int i;
-
for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
if ((cx->std & cx->card->tuners[i].std) == 0)
continue;
initialization. */
cx18_init_struct2(cx);
- cx18_load_and_init_modules(cx);
+ cx18_init_subdevs(cx);
- if (cx->std & V4L2_STD_525_60) {
+ if (cx->std & V4L2_STD_525_60)
cx->is_60hz = 1;
- cx->is_out_60hz = 1;
- } else {
+ else
cx->is_50hz = 1;
- cx->is_out_50hz = 1;
- }
- cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
- cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = 0x08000;
- cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = 0x08000;
- cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = 0x01200;
- cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = 0x20000;
- 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;
+ cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
if (cx->options.radio > 0)
cx->v4l2_cap |= V4L2_CAP_RADIO;
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);
+ cx18_call_all(cx, tuner, s_type_addr, &setup);
if (setup.type == TUNER_XC2028) {
static struct xc2028_ctrl ctrl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.tuner = cx->options.tuner,
.priv = &ctrl,
};
- cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg);
+ cx18_call_all(cx, tuner, s_config, &cfg);
}
}
goto free_streams;
}
- CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name);
+ 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->dev->irq, (void *)cx);
+ 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_workqueue:
+free_workqueues:
+ destroy_workqueue(cx->in_work_queue);
+ destroy_workqueue(cx->out_work_queue);
err:
if (retval == 0)
retval = -ENODEV;
CX18_ERR("Error %d on initialization\n", retval);
- kfree(cx18_cards[cx18_cards_active]);
- cx18_cards[cx18_cards_active] = NULL;
+ v4l2_device_unregister(&cx->v4l2_dev);
+ kfree(cx);
return retval;
}
}
set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
- /* Init the firmware twice to work around a silicon bug
- * transport related. */
+ /*
+ * 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) {
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 */
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 cx18 *cx = pci_get_drvdata(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 #%d\n", cx->num);
+ CX18_DEBUG_INFO("Removing Card\n");
/* Stop all captures */
CX18_DEBUG_INFO("Stopping all streams\n");
if (atomic_read(&cx->tot_capturing) > 0)
cx18_stop_all_captures(cx);
- /* Interrupts */
+ /* 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);
+ destroy_workqueue(cx->out_work_queue);
+
cx18_streams_cleanup(cx, 1);
exit_cx18_i2c(cx);
- free_irq(cx->dev->irq, (void *)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->dev);
+ 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]);
- CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num);
+ 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",
.remove = cx18_remove,
};
-static int module_start(void)
+static int __init module_start(void)
{
- printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION);
-
- memset(cx18_cards, 0, sizeof(cx18_cards));
+ 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, ivtv_first_minor must be between 0 and %d\n",
+ printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",
CX18_MAX_CARDS - 1);
return -1;
}
return 0;
}
-static void module_cleanup(void)
+static void __exit 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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff