* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits)
em28xx: remove backward compat macro added on a previous fix
V4L/DVB (9748): em28xx: fix compile warning
V4L/DVB (9743): em28xx: fix oops audio
V4L/DVB (9742): em28xx-alsa: implement another locking schema
V4L/DVB (9732): sms1xxx: use new firmware for Hauppauge WinTV MiniStick
V4L/DVB (9691): gspca: Move the video device to a separate area.
V4L/DVB (9690): gspca: Lock the subdrivers via module_get/put.
V4L/DVB (9689): gspca: Memory leak when disconnect while streaming.
V4L/DVB (9668): em28xx: fix a race condition with hald
V4L/DVB (9664): af9015: don't reconnect device in USB-bus
V4L/DVB (9647): em28xx: void having two concurrent control URB's
V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urb
V4L/DVB (9645): em28xx: Avoid memory leaks if registration fails
V4L/DVB (9639): Make dib0700 remote control support work with firmware v1.20
V4L/DVB (9635): v4l: s2255drv fix firmware test on big-endian
V4L/DVB (9634): Make sure the i2c gate is open before powering down tuner
V4L/DVB (9632): make em28xx aux audio input work
V4L/DVB (9631): Make s2api work for ATSC support
V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom
V4L/DVB (9608): Fix section mismatch warning for dm1105 during make
...
pci_free_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, dm1105dvb->ts_buf, dm1105dvb->dma_addr);
}
-static void __devinit dm1105dvb_enable_irqs(struct dm1105dvb *dm1105dvb)
+static void dm1105dvb_enable_irqs(struct dm1105dvb *dm1105dvb)
{
outb(INTMAK_ALLMASK, dm_io_mem(DM1105_INTMAK));
outb(1, dm_io_mem(DM1105_CR));
if (fe->ops.set_voltage)
fe->ops.set_voltage(fe, SEC_VOLTAGE_OFF);
if (fe->ops.tuner_ops.sleep) {
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.sleep(fe);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
int is_legacy_delivery_system(fe_delivery_system_t s)
{
if((s == SYS_UNDEFINED) || (s == SYS_DVBC_ANNEX_AC) ||
- (s == SYS_DVBC_ANNEX_B) || (s == SYS_DVBT) || (s == SYS_DVBS))
+ (s == SYS_DVBC_ANNEX_B) || (s == SYS_DVBT) || (s == SYS_DVBS) ||
+ (s == SYS_ATSC))
return 1;
return 0;
goto error;
}
- /* firmware is running, reconnect device in the usb bus */
- req.cmd = RECONNECT_USB;
- ret = af9015_rw_udev(udev, &req);
- if (ret)
- err("reconnect failed: %d", ret);
-
error:
return ret;
}
.usb_ctrl = DEVICE_SPECIFIC,
.download_firmware = af9015_download_firmware,
.firmware = "dvb-usb-af9015.fw",
+ .no_reconnect = 1,
.size_of_priv = sizeof(struct af9015_state), \
.usb_ctrl = DEVICE_SPECIFIC,
.download_firmware = af9015_download_firmware,
.firmware = "dvb-usb-af9015.fw",
+ .no_reconnect = 1,
.size_of_priv = sizeof(struct af9015_state), \
#define REQUEST_I2C_READ 0x2
#define REQUEST_I2C_WRITE 0x3
-#define REQUEST_POLL_RC 0x4
+#define REQUEST_POLL_RC 0x4 /* deprecated in firmware v1.20 */
#define REQUEST_JUMPRAM 0x8
#define REQUEST_SET_CLOCK 0xB
#define REQUEST_SET_GPIO 0xC
u16 mt2060_if1[2];
u8 rc_toggle;
u8 rc_counter;
+ u8 rc_func_version;
u8 is_dib7000pc;
u8 fw_use_new_i2c_api;
u8 disable_streaming_master_mode;
};
+extern int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
+ u32 *romversion, u32 *ramversion, u32 *fwtype);
extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val);
extern int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3);
extern int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
+ u32 *romversion, u32 *ramversion, u32 *fwtype)
+{
+ u8 b[16];
+ int ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+ REQUEST_GET_VERSION,
+ USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
+ b, sizeof(b), USB_CTRL_GET_TIMEOUT);
+ *hwversion = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
+ *romversion = (b[4] << 24) | (b[5] << 16) | (b[6] << 8) | b[7];
+ *ramversion = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11];
+ *fwtype = (b[12] << 24) | (b[13] << 16) | (b[14] << 8) | b[15];
+ return ret;
+}
+
/* expecting rx buffer: request data[0] data[1] ... data[2] */
static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen)
{
}
};
+
static struct dibx000_agc_config bristol_dib3000p_mt2060_agc_config = {
.band_caps = BAND_VHF | BAND_UHF,
.setup = (1 << 8) | (5 << 5) | (0 << 4) | (0 << 3) | (0 << 2) | (2 << 0),
/* Number of keypresses to ignore before start repeating */
#define RC_REPEAT_DELAY 2
+#define RC_REPEAT_DELAY_V1_20 5
-static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+
+
+/* Used by firmware versions < 1.20 (deprecated) */
+static int dib0700_rc_query_legacy(struct dvb_usb_device *d, u32 *event,
+ int *state)
{
u8 key[4];
int i;
return 0;
}
+/* This is the structure of the RC response packet starting in firmware 1.20 */
+struct dib0700_rc_response {
+ u8 report_id;
+ u8 data_state;
+ u8 system_msb;
+ u8 system_lsb;
+ u8 data;
+ u8 not_data;
+};
+
+/* This supports the new IR response format for firmware v1.20 */
+static int dib0700_rc_query_v1_20(struct dvb_usb_device *d, u32 *event,
+ int *state)
+{
+ struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
+ struct dib0700_state *st = d->priv;
+ struct dib0700_rc_response poll_reply;
+ u8 buf[6];
+ int i;
+ int status;
+ int actlen;
+ int found = 0;
+
+ /* Set initial results in case we exit the function early */
+ *event = 0;
+ *state = REMOTE_NO_KEY_PRESSED;
+
+ /* Firmware v1.20 provides RC data via bulk endpoint 1 */
+ status = usb_bulk_msg(d->udev, usb_rcvbulkpipe(d->udev, 1), buf,
+ sizeof(buf), &actlen, 50);
+ if (status < 0) {
+ /* No data available (meaning no key press) */
+ return 0;
+ }
+
+ if (actlen != sizeof(buf)) {
+ /* We didn't get back the 6 byte message we expected */
+ err("Unexpected RC response size [%d]", actlen);
+ return -1;
+ }
+
+ poll_reply.report_id = buf[0];
+ poll_reply.data_state = buf[1];
+ poll_reply.system_msb = buf[2];
+ poll_reply.system_lsb = buf[3];
+ poll_reply.data = buf[4];
+ poll_reply.not_data = buf[5];
+
+ /*
+ info("rid=%02x ds=%02x sm=%02x sl=%02x d=%02x nd=%02x\n",
+ poll_reply.report_id, poll_reply.data_state,
+ poll_reply.system_msb, poll_reply.system_lsb,
+ poll_reply.data, poll_reply.not_data);
+ */
+
+ if ((poll_reply.data + poll_reply.not_data) != 0xff) {
+ /* Key failed integrity check */
+ err("key failed integrity check: %02x %02x %02x %02x",
+ poll_reply.system_msb, poll_reply.system_lsb,
+ poll_reply.data, poll_reply.not_data);
+ return -1;
+ }
+
+ /* Find the key in the map */
+ for (i = 0; i < d->props.rc_key_map_size; i++) {
+ if (keymap[i].custom == poll_reply.system_lsb &&
+ keymap[i].data == poll_reply.data) {
+ *event = keymap[i].event;
+ found = 1;
+ break;
+ }
+ }
+
+ if (found == 0) {
+ err("Unknown remote controller key: %02x %02x %02x %02x",
+ poll_reply.system_msb, poll_reply.system_lsb,
+ poll_reply.data, poll_reply.not_data);
+ d->last_event = 0;
+ return 0;
+ }
+
+ if (poll_reply.data_state == 1) {
+ /* New key hit */
+ st->rc_counter = 0;
+ *event = keymap[i].event;
+ *state = REMOTE_KEY_PRESSED;
+ d->last_event = keymap[i].event;
+ } else if (poll_reply.data_state == 2) {
+ /* Key repeated */
+ st->rc_counter++;
+
+ /* prevents unwanted double hits */
+ if (st->rc_counter > RC_REPEAT_DELAY_V1_20) {
+ *event = d->last_event;
+ *state = REMOTE_KEY_PRESSED;
+ st->rc_counter = RC_REPEAT_DELAY_V1_20;
+ }
+ } else {
+ err("Unknown data state [%d]", poll_reply.data_state);
+ }
+
+ return 0;
+}
+
+static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+ struct dib0700_state *st = d->priv;
+
+ /* Because some people may have improperly named firmware files,
+ let's figure out whether to use the new firmware call or the legacy
+ call based on the firmware version embedded in the file */
+ if (st->rc_func_version == 0) {
+ u32 hwver, romver, ramver, fwtype;
+ int ret = dib0700_get_version(d, &hwver, &romver, &ramver,
+ &fwtype);
+ if (ret < 0) {
+ err("Could not determine version info");
+ return -1;
+ }
+ if (ramver < 0x10200)
+ st->rc_func_version = 1;
+ else
+ st->rc_func_version = 2;
+ }
+
+ if (st->rc_func_version == 2)
+ return dib0700_rc_query_v1_20(d, event, state);
+ else
+ return dib0700_rc_query_legacy(d, event, state);
+}
+
static struct dvb_usb_rc_key dib0700_rc_keys[] = {
/* Key codes for the tiny Pinnacle remote*/
{ 0x07, 0x00, KEY_MUTE },
static int usb_bulk_urb_init(struct usb_data_stream *stream)
{
- int i;
+ int i, j;
if ((i = usb_allocate_stream_buffers(stream,stream->props.count,
stream->props.u.bulk.buffersize)) < 0)
/* allocate the URBs */
for (i = 0; i < stream->props.count; i++) {
- if ((stream->urb_list[i] = usb_alloc_urb(0,GFP_ATOMIC)) == NULL)
+ stream->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!stream->urb_list[i]) {
+ deb_mem("not enough memory for urb_alloc_urb!.\n");
+ for (j = 0; j < i; j++)
+ usb_free_urb(stream->urb_list[i]);
return -ENOMEM;
-
+ }
usb_fill_bulk_urb( stream->urb_list[i], stream->udev,
usb_rcvbulkpipe(stream->udev,stream->props.endpoint),
stream->buf_list[i],
for (i = 0; i < stream->props.count; i++) {
struct urb *urb;
int frame_offset = 0;
- if ((stream->urb_list[i] =
- usb_alloc_urb(stream->props.u.isoc.framesperurb,GFP_ATOMIC)) == NULL)
+
+ stream->urb_list[i] = usb_alloc_urb(stream->props.u.isoc.framesperurb, GFP_ATOMIC);
+ if (!stream->urb_list[i]) {
+ deb_mem("not enough memory for urb_alloc_urb!\n");
+ for (j = 0; j < i; j++)
+ usb_free_urb(stream->urb_list[i]);
return -ENOMEM;
+ }
urb = stream->urb_list[i];
[SMS1XXX_BOARD_HAUPPAUGE_WINDHAM] = {
.name = "Hauppauge WinTV MiniStick",
.type = SMS_NOVA_B0,
- .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-01.fw",
+ .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
},
};
ISO_BUF_COUNT,
&ttusb->iso_dma_handle);
+ if (!ttusb->iso_buffer) {
+ dprintk("%s: pci_alloc_consistent - not enough memory\n",
+ __func__);
+ return -ENOMEM;
+ }
+
memset(ttusb->iso_buffer, 0,
ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT);
ttusb_setup_interfaces(ttusb);
- ttusb_alloc_iso_urbs(ttusb);
+ result = ttusb_alloc_iso_urbs(ttusb);
+ if (result < 0) {
+ dprintk("%s: ttusb_alloc_iso_urbs - failed\n", __func__);
+ mutex_unlock(&ttusb->semi2c);
+ kfree(ttusb);
+ return result;
+ }
+
if (ttusb_init_controller(ttusb))
printk("ttusb_init_controller: error\n");
ISO_BUF_COUNT),
&dec->iso_dma_handle);
+ if (!dec->iso_buffer) {
+ dprintk("%s: pci_alloc_consistent - not enough memory\n",
+ __func__);
+ return -ENOMEM;
+ }
+
memset(dec->iso_buffer, 0,
ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT));
dec->irq_buffer = usb_buffer_alloc(dec->udev,IRQ_PACKET_SIZE,
GFP_ATOMIC, &dec->irq_dma_handle);
if(!dec->irq_buffer) {
+ usb_free_urb(dec->irq_urb);
return -ENOMEM;
}
usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe,
dprintk("Stopping isoc\n");
for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
- usb_kill_urb(dev->adev->urb[i]);
+ usb_unlink_urb(dev->adev->urb[i]);
usb_free_urb(dev->adev->urb[i]);
dev->adev->urb[i] = NULL;
}
struct em28xx *dev = urb->context;
int i;
unsigned int oldptr;
- unsigned long flags;
int period_elapsed = 0;
int status;
unsigned char *cp;
if (!length)
continue;
- spin_lock_irqsave(&dev->adev->slock, flags);
-
oldptr = dev->adev->hwptr_done_capture;
+ if (oldptr + length >= runtime->buffer_size) {
+ unsigned int cnt =
+ runtime->buffer_size - oldptr;
+ memcpy(runtime->dma_area + oldptr * stride, cp,
+ cnt * stride);
+ memcpy(runtime->dma_area, cp + cnt * stride,
+ length * stride - cnt * stride);
+ } else {
+ memcpy(runtime->dma_area + oldptr * stride, cp,
+ length * stride);
+ }
+
+ snd_pcm_stream_lock(substream);
+
dev->adev->hwptr_done_capture += length;
if (dev->adev->hwptr_done_capture >=
runtime->buffer_size)
period_elapsed = 1;
}
- spin_unlock_irqrestore(&dev->adev->slock, flags);
-
- if (oldptr + length >= runtime->buffer_size) {
- unsigned int cnt =
- runtime->buffer_size - oldptr;
- memcpy(runtime->dma_area + oldptr * stride, cp,
- cnt * stride);
- memcpy(runtime->dma_area, cp + cnt * stride,
- length * stride - cnt * stride);
- } else {
- memcpy(runtime->dma_area + oldptr * stride, cp,
- length * stride);
- }
+ snd_pcm_stream_unlock(substream);
}
if (period_elapsed)
snd_pcm_period_elapsed(substream);
int ret, byte;
if (dev->state & DEV_DISCONNECTED)
- return(-ENODEV);
+ return -ENODEV;
+
+ if (len > URB_MAX_CTRL_SIZE)
+ return -EINVAL;
em28xx_regdbg("req=%02x, reg=%02x ", req, reg);
+ mutex_lock(&dev->ctrl_urb_lock);
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0x0000, reg, buf, len, HZ);
+ 0x0000, reg, dev->urb_buf, len, HZ);
+ if (ret < 0) {
+ if (reg_debug)
+ printk(" failed!\n");
+ mutex_unlock(&dev->ctrl_urb_lock);
+ return ret;
+ }
+
+ if (len)
+ memcpy(buf, dev->urb_buf, len);
+
+ mutex_unlock(&dev->ctrl_urb_lock);
if (reg_debug) {
- printk(ret < 0 ? " failed!\n" : "%02x values: ", ret);
+ printk("%02x values: ", ret);
for (byte = 0; byte < len; byte++)
printk(" %02x", (unsigned char)buf[byte]);
-
printk("\n");
}
em28xx_regdbg("req=%02x, reg=%02x:", req, reg);
+ mutex_lock(&dev->ctrl_urb_lock);
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0x0000, reg, &val, 1, HZ);
-
- if (reg_debug)
- printk(ret < 0 ? " failed!\n" :
- "%02x\n", (unsigned char) val);
+ 0x0000, reg, dev->urb_buf, 1, HZ);
+ val = dev->urb_buf[0];
+ mutex_unlock(&dev->ctrl_urb_lock);
- if (ret < 0)
+ if (ret < 0) {
+ printk(" failed!\n");
return ret;
+ }
+
+ if (reg_debug)
+ printk("%02x\n", (unsigned char) val);
return val;
}
{
int ret;
- /*usb_control_msg seems to expect a kmalloced buffer */
- unsigned char *bufs;
-
if (dev->state & DEV_DISCONNECTED)
return -ENODEV;
- if (len < 1)
+ if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
return -EINVAL;
- bufs = kmalloc(len, GFP_KERNEL);
-
em28xx_regdbg("req=%02x reg=%02x:", req, reg);
-
if (reg_debug) {
int i;
for (i = 0; i < len; ++i)
printk("\n");
}
- if (!bufs)
- return -ENOMEM;
- memcpy(bufs, buf, len);
+ mutex_lock(&dev->ctrl_urb_lock);
+ memcpy(dev->urb_buf, buf, len);
ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0x0000, reg, bufs, len, HZ);
+ 0x0000, reg, dev->urb_buf, len, HZ);
+ mutex_unlock(&dev->ctrl_urb_lock);
+
if (dev->wait_after_write)
msleep(dev->wait_after_write);
- kfree(bufs);
return ret;
}
break;
case EM28XX_AMUX_LINE_IN:
input = EM28XX_AUDIO_SRC_LINE;
+ video = disable;
+ line = enable;
break;
case EM28XX_AMUX_AC97_VIDEO:
input = EM28XX_AUDIO_SRC_LINE;
/* Check if board has eeprom */
err = i2c_master_recv(&dev->i2c_client, &buf, 0);
if (err < 0) {
- em28xx_errdev("%s: i2c_master_recv failed! err [%d]\n",
- __func__, err);
- return err;
+ em28xx_errdev("board has no eeprom\n");
+ memset(eedata, 0, len);
+ return -ENODEV;
}
buf = 0;
dev->i2c_client.adapter = &dev->i2c_adap;
retval = em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
- if (retval < 0) {
+ if ((retval < 0) && (retval != -ENODEV)) {
em28xx_errdev("%s: em28xx_i2_eeprom failed! retval [%d]\n",
__func__, retval);
+
return retval;
}
if (i2c_scan)
em28xx_do_i2c_scan(dev);
+
return 0;
}
MODULE_LICENSE("GPL");
static LIST_HEAD(em28xx_devlist);
+static DEFINE_MUTEX(em28xx_devlist_mutex);
static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
struct em28xx_fh *fh;
enum v4l2_buf_type fh_type = 0;
- lock_kernel();
+ mutex_lock(&em28xx_devlist_mutex);
list_for_each_entry(h, &em28xx_devlist, devlist) {
if (h->vdev->minor == minor) {
dev = h;
dev = h;
}
}
- if (NULL == dev) {
- unlock_kernel();
+ mutex_unlock(&em28xx_devlist_mutex);
+ if (NULL == dev)
return -ENODEV;
- }
+
+ mutex_lock(&dev->lock);
em28xx_videodbg("open minor=%d type=%s users=%d\n",
minor, v4l2_type_names[fh_type], dev->users);
fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL);
if (!fh) {
em28xx_errdev("em28xx-video.c: Out of memory?!\n");
- unlock_kernel();
+ mutex_unlock(&dev->lock);
return -ENOMEM;
}
- mutex_lock(&dev->lock);
fh->dev = dev;
fh->radio = radio;
fh->type = fh_type;
sizeof(struct em28xx_buffer), fh);
mutex_unlock(&dev->lock);
- unlock_kernel();
return errCode;
}
{
struct em28xx *dev = NULL;
+ mutex_lock(&em28xx_devlist_mutex);
mutex_lock(&em28xx_extension_devlist_lock);
list_add_tail(&ops->next, &em28xx_extension_devlist);
list_for_each_entry(dev, &em28xx_devlist, devlist) {
}
printk(KERN_INFO "Em28xx: Initialized (%s) extension\n", ops->name);
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
return 0;
}
EXPORT_SYMBOL(em28xx_register_extension);
{
struct em28xx *dev = NULL;
+ mutex_lock(&em28xx_devlist_mutex);
list_for_each_entry(dev, &em28xx_devlist, devlist) {
if (dev)
ops->fini(dev);
printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
list_del(&ops->next);
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
}
EXPORT_SYMBOL(em28xx_unregister_extension);
}
+static int register_analog_devices(struct em28xx *dev)
+{
+ int ret;
+
+ /* allocate and fill video video_device struct */
+ dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video");
+ if (!dev->vdev) {
+ em28xx_errdev("cannot allocate video_device.\n");
+ return -ENODEV;
+ }
+
+ /* register v4l2 video video_device */
+ ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
+ video_nr[dev->devno]);
+ if (ret) {
+ em28xx_errdev("unable to register video device (error=%i).\n",
+ ret);
+ return ret;
+ }
+
+ /* Allocate and fill vbi video_device struct */
+ dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi");
+
+ /* register v4l2 vbi video_device */
+ ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->devno]);
+ if (ret < 0) {
+ em28xx_errdev("unable to register vbi device\n");
+ return ret;
+ }
+
+ if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
+ dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
+ if (!dev->radio_dev) {
+ em28xx_errdev("cannot allocate video_device.\n");
+ return -ENODEV;
+ }
+ ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
+ radio_nr[dev->devno]);
+ if (ret < 0) {
+ em28xx_errdev("can't register radio device\n");
+ return ret;
+ }
+ em28xx_info("Registered radio device as /dev/radio%d\n",
+ dev->radio_dev->num);
+ }
+
+ em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
+ dev->vdev->num, dev->vbi_dev->num);
+
+ return 0;
+}
+
+
/*
* em28xx_init_dev()
* allocates and inits the device structs, registers i2c bus and v4l device
dev->udev = udev;
mutex_init(&dev->lock);
+ mutex_init(&dev->ctrl_urb_lock);
spin_lock_init(&dev->slock);
init_waitqueue_head(&dev->open);
init_waitqueue_head(&dev->wait_frame);
errCode = em28xx_config(dev);
if (errCode) {
em28xx_errdev("error configuring device\n");
- em28xx_devused &= ~(1<<dev->devno);
- kfree(dev);
return -ENOMEM;
}
return errCode;
}
- list_add_tail(&dev->devlist, &em28xx_devlist);
-
- /* allocate and fill video video_device struct */
- dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video");
- if (NULL == dev->vdev) {
- em28xx_errdev("cannot allocate video_device.\n");
- goto fail_unreg;
- }
-
- /* register v4l2 video video_device */
- retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
- video_nr[dev->devno]);
- if (retval) {
- em28xx_errdev("unable to register video device (error=%i).\n",
- retval);
- goto fail_unreg;
- }
-
- /* Allocate and fill vbi video_device struct */
- dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi");
- /* register v4l2 vbi video_device */
- if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
- vbi_nr[dev->devno]) < 0) {
- em28xx_errdev("unable to register vbi device\n");
- retval = -ENODEV;
- goto fail_unreg;
- }
-
- if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
- dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
- if (NULL == dev->radio_dev) {
- em28xx_errdev("cannot allocate video_device.\n");
- goto fail_unreg;
- }
- retval = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
- radio_nr[dev->devno]);
- if (retval < 0) {
- em28xx_errdev("can't register radio device\n");
- goto fail_unreg;
- }
- em28xx_info("Registered radio device as /dev/radio%d\n",
- dev->radio_dev->num);
- }
-
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
INIT_LIST_HEAD(&dev->vidq.queued);
video_mux(dev, 0);
- em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
- dev->vdev->num, dev->vbi_dev->num);
+ mutex_lock(&em28xx_devlist_mutex);
+ list_add_tail(&dev->devlist, &em28xx_devlist);
+ retval = register_analog_devices(dev);
+ if (retval < 0) {
+ em28xx_release_resources(dev);
+ mutex_unlock(&em28xx_devlist_mutex);
+ goto fail_reg_devices;
+ }
mutex_lock(&em28xx_extension_devlist_lock);
if (!list_empty(&em28xx_extension_devlist)) {
}
}
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
return 0;
-fail_unreg:
- em28xx_release_resources(dev);
+fail_reg_devices:
mutex_unlock(&dev->lock);
- kfree(dev);
return retval;
}
/* allocate device struct */
retval = em28xx_init_dev(&dev, udev, nr);
- if (retval)
+ if (retval) {
+ em28xx_devused &= ~(1<<dev->devno);
+ kfree(dev);
+
return retval;
+ }
em28xx_info("Found %s\n", em28xx_boards[dev->model].name);
#define EM28XX_MIN_BUF 4
#define EM28XX_DEF_BUF 8
+/*Limits the max URB message size */
+#define URB_MAX_CTRL_SIZE 80
+
/* Params for validated field */
#define EM28XX_BOARD_NOT_VALIDATED 1
#define EM28XX_BOARD_VALIDATED 0
/* locks */
struct mutex lock;
+ struct mutex ctrl_urb_lock; /* protects urb_buf */
/* spinlock_t queue_lock; */
struct list_head inqueue, outqueue;
wait_queue_head_t open, wait_frame, wait_stream;
unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */
char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */
+ char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */
+
/* helper funcs that call usb_control_msg */
int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
char *buf, int len);
return 0;
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
int retry = 50;
+ if (!gspca_dev->present)
+ return;
reg_w_val(gspca_dev, 0x0000, 0x00);
reg_r(gspca_dev, 0x0002, 1);
reg_w_val(gspca_dev, 0x0053, 0x00);
/* Stop the state machine */
if (dev->state != FPIX_NOP)
wait_for_completion(&dev->can_close);
+}
+
+/* called on streamoff with alt 0 and disconnect */
+static void sd_stop0(struct gspca_dev *gspca_dev)
+{
+ struct usb_fpix *dev = (struct usb_fpix *) gspca_dev;
usb_free_urb(dev->control_urb);
dev->control_urb = NULL;
error:
/* Free the ressources */
sd_stopN(gspca_dev);
+ sd_stop0(gspca_dev);
return ret;
}
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
+ .stop0 = sd_stop0,
};
/* -- device connect -- */
{
gspca_dev->streaming = 0;
atomic_set(&gspca_dev->nevent, 0);
- if (gspca_dev->present) {
- if (gspca_dev->sd_desc->stopN)
- gspca_dev->sd_desc->stopN(gspca_dev);
- destroy_urbs(gspca_dev);
- gspca_set_alt0(gspca_dev);
- if (gspca_dev->sd_desc->stop0)
- gspca_dev->sd_desc->stop0(gspca_dev);
- PDEBUG(D_STREAM, "stream off OK");
- }
+ if (gspca_dev->present
+ && gspca_dev->sd_desc->stopN)
+ gspca_dev->sd_desc->stopN(gspca_dev);
+ destroy_urbs(gspca_dev);
+ gspca_set_alt0(gspca_dev);
+ if (gspca_dev->sd_desc->stop0)
+ gspca_dev->sd_desc->stop0(gspca_dev);
+ PDEBUG(D_STREAM, "stream off OK");
}
static void gspca_set_default_mode(struct gspca_dev *gspca_dev)
int ret;
PDEBUG(D_STREAM, "%s open", current->comm);
- gspca_dev = (struct gspca_dev *) video_devdata(file);
+ gspca_dev = video_drvdata(file);
if (mutex_lock_interruptible(&gspca_dev->queue_lock))
return -ERESTARTSYS;
if (!gspca_dev->present) {
ret = -EBUSY;
goto out;
}
+
+ /* protect the subdriver against rmmod */
+ if (!try_module_get(gspca_dev->module)) {
+ ret = -ENODEV;
+ goto out;
+ }
+
gspca_dev->users++;
/* one more user */
#ifdef GSPCA_DEBUG
/* activate the v4l2 debug */
if (gspca_debug & D_V4L2)
- gspca_dev->vdev.debug |= V4L2_DEBUG_IOCTL
+ gspca_dev->vdev->debug |= V4L2_DEBUG_IOCTL
| V4L2_DEBUG_IOCTL_ARG;
else
- gspca_dev->vdev.debug &= ~(V4L2_DEBUG_IOCTL
+ gspca_dev->vdev->debug &= ~(V4L2_DEBUG_IOCTL
| V4L2_DEBUG_IOCTL_ARG);
#endif
ret = 0;
gspca_dev->memory = GSPCA_MEMORY_NO;
}
file->private_data = NULL;
+ module_put(gspca_dev->module);
mutex_unlock(&gspca_dev->queue_lock);
PDEBUG(D_STREAM, "close done");
return ret;
}
-static void dev_release(struct video_device *vfd)
-{
- /* nothing */
-}
-
static struct file_operations dev_fops = {
.owner = THIS_MODULE,
.open = dev_open,
.name = "gspca main driver",
.fops = &dev_fops,
.ioctl_ops = &dev_ioctl_ops,
- .release = dev_release, /* mandatory */
+ .release = video_device_release,
.minor = -1,
};
init_waitqueue_head(&gspca_dev->wq);
/* init video stuff */
- memcpy(&gspca_dev->vdev, &gspca_template, sizeof gspca_template);
- gspca_dev->vdev.parent = &dev->dev;
- memcpy(&gspca_dev->fops, &dev_fops, sizeof gspca_dev->fops);
- gspca_dev->vdev.fops = &gspca_dev->fops;
- gspca_dev->fops.owner = module; /* module protection */
+ gspca_dev->vdev = video_device_alloc();
+ memcpy(gspca_dev->vdev, &gspca_template, sizeof gspca_template);
+ gspca_dev->vdev->parent = &dev->dev;
+ gspca_dev->module = module;
gspca_dev->present = 1;
- ret = video_register_device(&gspca_dev->vdev,
+ video_set_drvdata(gspca_dev->vdev, gspca_dev);
+ ret = video_register_device(gspca_dev->vdev,
VFL_TYPE_GRABBER,
video_nr);
if (ret < 0) {
err("video_register_device err %d", ret);
+ video_device_release(gspca_dev->vdev);
goto out;
}
PDEBUG(D_PROBE, "probe ok");
return 0;
out:
- kref_put(&gspca_dev->kref, gspca_delete);
+ kfree(gspca_dev->usb_buf);
+ kfree(gspca_dev);
return ret;
}
EXPORT_SYMBOL(gspca_dev_probe);
usb_set_intfdata(intf, NULL);
/* We don't want people trying to open up the device */
- video_unregister_device(&gspca_dev->vdev);
+ video_unregister_device(gspca_dev->vdev);
gspca_dev->present = 0;
gspca_dev->streaming = 0;
cam_pkt_op pkt_scan;
/* optional operations */
cam_v_op stopN; /* called on stream off - main alt */
- cam_v_op stop0; /* called on stream off - alt 0 */
+ cam_v_op stop0; /* called on stream off & disconnect - alt 0 */
cam_v_op dq_callback; /* called when a frame has been dequeued */
cam_jpg_op get_jcomp;
cam_jpg_op set_jcomp;
};
struct gspca_dev {
- struct video_device vdev; /* !! must be the first item */
- struct file_operations fops;
+ struct video_device *vdev;
+ struct module *module; /* subdriver handling the device */
struct usb_device *dev;
struct kref kref;
struct file *capt_file; /* file doing video capture */
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ if (!gspca_dev->present)
+ return;
if (sd->sensor == SENSOR_PAC7302) {
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x78, 0x40);
reg_write(gspca_dev->dev, SPCA501_REG_CTLRL, 0x01, 0x00);
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
+ if (!gspca_dev->present)
+ return;
reg_write(gspca_dev->dev, SPCA501_REG_CTLRL, 0x05, 0x00);
}
reg_write(gspca_dev->dev, 0x02, 0x00, 0x00);
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
+ if (!gspca_dev->present)
+ return;
+
/* This maybe reset or power control */
reg_write(gspca_dev->dev, 0x03, 0x03, 0x20);
reg_write(gspca_dev->dev, 0x03, 0x01, 0x0);
}
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ if (!gspca_dev->present)
+ return;
if (sd->chip_revision == Rev012A) {
reg_w_val(gspca_dev->dev, 0x8118, 0x29);
reg_w_val(gspca_dev->dev, 0x8114, 0x08);
reg_w(dev, 0xa0, 0x09, 0xb003);
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
+ if (!gspca_dev->present)
+ return;
reg_w(dev, 0x89, 0xffff, 0xffff);
}
return 0;
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ if (!gspca_dev->present)
+ return;
send_unknown(gspca_dev->dev, sd->sensor);
}
#define S2255_FW_FAILED 3
#define S2255_FW_DISCONNECTING 4
-#define S2255_FW_MARKER 0x22552f2f
+#define S2255_FW_MARKER cpu_to_le32(0x22552f2f)
/* 2255 read states */
#define S2255_READ_IDLE 0
#define S2255_READ_FRAME 1
projects / linux-2.6-omap-h63xx.git / commitdiff