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-rw-r--r--drivers/media/video/em28xx/Kconfig17
-rw-r--r--drivers/media/video/em28xx/Makefile6
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c489
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c688
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c88
-rw-r--r--drivers/media/video/em28xx/em28xx-i2c.c81
-rw-r--r--drivers/media/video/em28xx/em28xx-input.c52
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c2622
-rw-r--r--drivers/media/video/em28xx/em28xx.h166
9 files changed, 2789 insertions, 1420 deletions
diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig
index c1127802ad9c..abbd38c1ebba 100644
--- a/drivers/media/video/em28xx/Kconfig
+++ b/drivers/media/video/em28xx/Kconfig
@@ -1,6 +1,6 @@
config VIDEO_EM28XX
tristate "Empia EM2800/2820/2840 USB video capture support"
- depends on VIDEO_V4L1 && I2C && INPUT
+ depends on VIDEO_DEV && I2C && INPUT
select VIDEO_TUNER
select VIDEO_TVEEPROM
select VIDEO_IR
@@ -11,3 +11,18 @@ config VIDEO_EM28XX
To compile this driver as a module, choose M here: the
module will be called em28xx
+
+config VIDEO_EM28XX_ALSA
+ depends on VIDEO_EM28XX
+ tristate "Empia EM28xx ALSA audio module"
+ ---help---
+ This is an ALSA driver for some Empia 28xx based TV cards.
+
+ This is not required for em2800/em2820/em2821 boards. However,
+ newer em28xx devices uses Vendor Class for audio, instead of
+ implementing the USB Audio Class. For those chips, this module
+ will enable digital audio.
+
+ To compile this driver as a module, choose M here: the
+ module will be called em28xx-alsa
+
diff --git a/drivers/media/video/em28xx/Makefile b/drivers/media/video/em28xx/Makefile
index 826d0e340753..0924550992d0 100644
--- a/drivers/media/video/em28xx/Makefile
+++ b/drivers/media/video/em28xx/Makefile
@@ -1,6 +1,12 @@
em28xx-objs := em28xx-video.o em28xx-i2c.o em28xx-cards.o em28xx-core.o \
em28xx-input.o
+em28xx-alsa-objs := em28xx-audio.o
+
obj-$(CONFIG_VIDEO_EM28XX) += em28xx.o
+obj-$(CONFIG_VIDEO_EM28XX_ALSA) += em28xx-alsa.o
EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
new file mode 100644
index 000000000000..941357c4f3f5
--- /dev/null
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -0,0 +1,489 @@
+/*
+ * Empiatech em28x1 audio extension
+ *
+ * Copyright (C) 2006 Markus Rechberger <mrechberger@gmail.com>
+ *
+ * Copyright (C) 2007 Mauro Carvalho Chehab <mchehab@infradead.org>
+ * - Port to work with the in-kernel driver
+ * - Several cleanups
+ *
+ * This driver is based on my previous au600 usb pstn audio driver
+ * and inherits all the copyrights
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/usb.h>
+#include <linux/init.h>
+#include <linux/sound.h>
+#include <linux/spinlock.h>
+#include <linux/soundcard.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/proc_fs.h>
+#include <linux/module.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <sound/initval.h>
+#include <sound/control.h>
+#include <media/v4l2-common.h>
+#include "em28xx.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "activates debug info");
+
+#define dprintk(fmt, arg...) do { \
+ if (debug) \
+ printk(KERN_INFO "em28xx-audio %s: " fmt, \
+ __FUNCTION__, ##arg); \
+ } while (0)
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+
+static int em28xx_isoc_audio_deinit(struct em28xx *dev)
+{
+ int i;
+
+ dprintk("Stopping isoc\n");
+ for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
+ usb_kill_urb(dev->adev->urb[i]);
+ usb_free_urb(dev->adev->urb[i]);
+ dev->adev->urb[i] = NULL;
+ }
+
+ return 0;
+}
+
+static void em28xx_audio_isocirq(struct urb *urb)
+{
+ struct em28xx *dev = urb->context;
+ int i;
+ unsigned int oldptr;
+ unsigned long flags;
+ int period_elapsed = 0;
+ int status;
+ unsigned char *cp;
+ unsigned int stride;
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ if (dev->adev->capture_pcm_substream) {
+ substream = dev->adev->capture_pcm_substream;
+ runtime = substream->runtime;
+ stride = runtime->frame_bits >> 3;
+
+ for (i = 0; i < urb->number_of_packets; i++) {
+ int length =
+ urb->iso_frame_desc[i].actual_length / stride;
+ cp = (unsigned char *)urb->transfer_buffer +
+ urb->iso_frame_desc[i].offset;
+
+ if (!length)
+ continue;
+
+ spin_lock_irqsave(&dev->adev->slock, flags);
+
+ oldptr = dev->adev->hwptr_done_capture;
+ dev->adev->hwptr_done_capture += length;
+ if (dev->adev->hwptr_done_capture >=
+ runtime->buffer_size)
+ dev->adev->hwptr_done_capture -=
+ runtime->buffer_size;
+
+ dev->adev->capture_transfer_done += length;
+ if (dev->adev->capture_transfer_done >=
+ runtime->period_size) {
+ dev->adev->capture_transfer_done -=
+ runtime->period_size;
+ period_elapsed = 1;
+ }
+
+ spin_unlock_irqrestore(&dev->adev->slock, flags);
+
+ if (oldptr + length >= runtime->buffer_size) {
+ unsigned int cnt =
+ runtime->buffer_size - oldptr - 1;
+ memcpy(runtime->dma_area + oldptr * stride, cp,
+ cnt * stride);
+ memcpy(runtime->dma_area, cp + cnt,
+ length * stride - cnt * stride);
+ } else {
+ memcpy(runtime->dma_area + oldptr * stride, cp,
+ length * stride);
+ }
+ }
+ if (period_elapsed)
+ snd_pcm_period_elapsed(substream);
+ }
+ urb->status = 0;
+
+ if (dev->adev->shutdown)
+ return;
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ em28xx_errdev("resubmit of audio urb failed (error=%i)\n",
+ status);
+ }
+ return;
+}
+
+static int em28xx_init_audio_isoc(struct em28xx *dev)
+{
+ int i, errCode;
+ const int sb_size = EM28XX_NUM_AUDIO_PACKETS *
+ EM28XX_AUDIO_MAX_PACKET_SIZE;
+
+ dprintk("Starting isoc transfers\n");
+
+ for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
+ struct urb *urb;
+ int j, k;
+
+ dev->adev->transfer_buffer[i] = kmalloc(sb_size, GFP_ATOMIC);
+ if (!dev->adev->transfer_buffer[i])
+ return -ENOMEM;
+
+ memset(dev->adev->transfer_buffer[i], 0x80, sb_size);
+ urb = usb_alloc_urb(EM28XX_NUM_AUDIO_PACKETS, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ urb->dev = dev->udev;
+ urb->context = dev;
+ urb->pipe = usb_rcvisocpipe(dev->udev, 0x83);
+ urb->transfer_flags = URB_ISO_ASAP;
+ urb->transfer_buffer = dev->adev->transfer_buffer[i];
+ urb->interval = 1;
+ urb->complete = em28xx_audio_isocirq;
+ urb->number_of_packets = EM28XX_NUM_AUDIO_PACKETS;
+ urb->transfer_buffer_length = sb_size;
+
+ for (j = k = 0; j < EM28XX_NUM_AUDIO_PACKETS;
+ j++, k += EM28XX_AUDIO_MAX_PACKET_SIZE) {
+ urb->iso_frame_desc[j].offset = k;
+ urb->iso_frame_desc[j].length =
+ EM28XX_AUDIO_MAX_PACKET_SIZE;
+ }
+ dev->adev->urb[i] = urb;
+ }
+
+ for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
+ errCode = usb_submit_urb(dev->adev->urb[i], GFP_ATOMIC);
+ if (errCode) {
+ em28xx_isoc_audio_deinit(dev);
+
+ return errCode;
+ }
+ }
+
+ return 0;
+}
+
+static int em28xx_cmd(struct em28xx *dev, int cmd, int arg)
+{
+ dprintk("%s transfer\n", (dev->adev->capture_stream == STREAM_ON)?
+ "stop" : "start");
+
+ switch (cmd) {
+ case EM28XX_CAPTURE_STREAM_EN:
+ if (dev->adev->capture_stream == STREAM_OFF && arg == 1) {
+ dev->adev->capture_stream = STREAM_ON;
+ em28xx_init_audio_isoc(dev);
+ } else if (dev->adev->capture_stream == STREAM_ON && arg == 0) {
+ dev->adev->capture_stream = STREAM_OFF;
+ em28xx_isoc_audio_deinit(dev);
+ } else {
+ printk(KERN_ERR "An underrun very likely occurred. "
+ "Ignoring it.\n");
+ }
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
+ size_t size)
+{
+ struct snd_pcm_runtime *runtime = subs->runtime;
+
+ dprintk("Alocating vbuffer\n");
+ if (runtime->dma_area) {
+ if (runtime->dma_bytes > size)
+ return 0;
+
+ vfree(runtime->dma_area);
+ }
+ runtime->dma_area = vmalloc(size);
+ if (!runtime->dma_area)
+ return -ENOMEM;
+
+ runtime->dma_bytes = size;
+
+ return 0;
+}
+
+static struct snd_pcm_hardware snd_em28xx_hw_capture = {
+ .info = SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID,
+
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+
+ .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_KNOT,
+
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = 62720 * 8, /* just about the value in usbaudio.c */
+ .period_bytes_min = 64, /* 12544/2, */
+ .period_bytes_max = 12544,
+ .periods_min = 2,
+ .periods_max = 98, /* 12544, */
+};
+
+static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
+{
+ struct em28xx *dev = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret = 0;
+
+ dprintk("opening device and trying to acquire exclusive lock\n");
+
+ /* Sets volume, mute, etc */
+ dev->mute = 0;
+ ret = em28xx_audio_analog_set(dev);
+ if (ret < 0)
+ goto err;
+
+ runtime->hw = snd_em28xx_hw_capture;
+ if (dev->alt == 0 && dev->adev->users == 0) {
+ int errCode;
+ dev->alt = 7;
+ errCode = usb_set_interface(dev->udev, 0, 7);
+ dprintk("changing alternate number to 7\n");
+ }
+
+ dev->adev->users++;
+
+ snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ dev->adev->capture_pcm_substream = substream;
+ runtime->private_data = dev;
+
+ return 0;
+err:
+ printk(KERN_ERR "Error while configuring em28xx mixer\n");
+ return ret;
+}
+
+static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct em28xx *dev = snd_pcm_substream_chip(substream);
+ dev->adev->users--;
+
+ dprintk("closing device\n");
+
+ dev->mute = 1;
+ em28xx_audio_analog_set(dev);
+
+ if (dev->adev->users == 0 && dev->adev->shutdown == 1) {
+ dprintk("audio users: %d\n", dev->adev->users);
+ dprintk("disabling audio stream!\n");
+ dev->adev->shutdown = 0;
+ dprintk("released lock\n");
+ em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 0);
+ }
+ return 0;
+}
+
+static int snd_em28xx_hw_capture_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ unsigned int channels, rate, format;
+ int ret;
+
+ dprintk("Setting capture parameters\n");
+
+ ret = snd_pcm_alloc_vmalloc_buffer(substream,
+ params_buffer_bytes(hw_params));
+ format = params_format(hw_params);
+ rate = params_rate(hw_params);
+ channels = params_channels(hw_params);
+
+ /* TODO: set up em28xx audio chip to deliver the correct audio format,
+ current default is 48000hz multiplexed => 96000hz mono
+ which shouldn't matter since analogue TV only supports mono */
+ return 0;
+}
+
+static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream)
+{
+ struct em28xx *dev = snd_pcm_substream_chip(substream);
+
+ dprintk("Stop capture, if needed\n");
+
+ if (dev->adev->capture_stream == STREAM_ON)
+ em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 0);
+
+ return 0;
+}
+
+static int snd_em28xx_prepare(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct em28xx *dev = snd_pcm_substream_chip(substream);
+
+ dprintk("Should %s capture\n", (cmd == SNDRV_PCM_TRIGGER_START)?
+ "start": "stop");
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, 1);
+ return 0;
+ case SNDRV_PCM_TRIGGER_STOP:
+ dev->adev->shutdown = 1;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream
+ *substream)
+{
+ struct em28xx *dev;
+
+ snd_pcm_uframes_t hwptr_done;
+ dev = snd_pcm_substream_chip(substream);
+ hwptr_done = dev->adev->hwptr_done_capture;
+
+ return hwptr_done;
+}
+
+static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs,
+ unsigned long offset)
+{
+ void *pageptr = subs->runtime->dma_area + offset;
+
+ return vmalloc_to_page(pageptr);
+}
+
+static struct snd_pcm_ops snd_em28xx_pcm_capture = {
+ .open = snd_em28xx_capture_open,
+ .close = snd_em28xx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_em28xx_hw_capture_params,
+ .hw_free = snd_em28xx_hw_capture_free,
+ .prepare = snd_em28xx_prepare,
+ .trigger = snd_em28xx_capture_trigger,
+ .pointer = snd_em28xx_capture_pointer,
+ .page = snd_pcm_get_vmalloc_page,
+};
+
+static int em28xx_audio_init(struct em28xx *dev)
+{
+ struct em28xx_audio *adev;
+ struct snd_pcm *pcm;
+ struct snd_card *card;
+ static int devnr;
+ int ret, err;
+
+ printk(KERN_INFO "em28xx-audio.c: probing for em28x1 "
+ "non standard usbaudio\n");
+ printk(KERN_INFO "em28xx-audio.c: Copyright (C) 2006 Markus "
+ "Rechberger\n");
+
+ adev = kzalloc(sizeof(*adev), GFP_KERNEL);
+ if (!adev) {
+ printk(KERN_ERR "em28xx-audio.c: out of memory\n");
+ return -1;
+ }
+ card = snd_card_new(index[devnr], "Em28xx Audio", THIS_MODULE, 0);
+ if (card == NULL) {
+ kfree(adev);
+ return -ENOMEM;
+ }
+
+ spin_lock_init(&adev->slock);
+ ret = snd_pcm_new(card, "Em28xx Audio", 0, 0, 1, &pcm);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_em28xx_pcm_capture);
+ pcm->info_flags = 0;
+ pcm->private_data = dev;
+ strcpy(pcm->name, "Empia 28xx Capture");
+ strcpy(card->driver, "Empia Em28xx Audio");
+ strcpy(card->shortname, "Em28xx Audio");
+ strcpy(card->longname, "Empia Em28xx Audio");
+
+ err = snd_card_register(card);
+ if (err < 0) {
+ snd_card_free(card);
+ return -ENOMEM;
+ }
+ adev->sndcard = card;
+ adev->udev = dev->udev;
+ dev->adev = adev;
+
+ return 0;
+}
+
+static int em28xx_audio_fini(struct em28xx *dev)
+{
+ if (dev == NULL)
+ return 0;
+
+ if (dev->adev) {
+ snd_card_free(dev->adev->sndcard);
+ kfree(dev->adev);
+ dev->adev = NULL;
+ }
+
+ return 0;
+}
+
+static struct em28xx_ops audio_ops = {
+ .id = EM28XX_AUDIO,
+ .name = "Em28xx Audio Extension",
+ .init = em28xx_audio_init,
+ .fini = em28xx_audio_fini,
+};
+
+static int __init em28xx_alsa_register(void)
+{
+ return em28xx_register_extension(&audio_ops);
+}
+
+static void __exit em28xx_alsa_unregister(void)
+{
+ em28xx_unregister_extension(&audio_ops);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Markus Rechberger <mrechberger@gmail.com>");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
+MODULE_DESCRIPTION("Em28xx Audio driver");
+
+module_init(em28xx_alsa_register);
+module_exit(em28xx_alsa_unregister);
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 418ea8b7f85a..2159d0160df2 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1,5 +1,6 @@
/*
- em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
+ em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB
+ video capture devices
Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
Markus Rechberger <mrechberger@gmail.com>
@@ -35,294 +36,735 @@
#include <media/v4l2-common.h>
#include "em28xx.h"
+#include "tuner-xc2028.h"
+
+static int tuner = -1;
+module_param(tuner, int, 0444);
+MODULE_PARM_DESC(tuner, "tuner type");
+
+static unsigned int disable_ir;
+module_param(disable_ir, int, 0444);
+MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
+
+struct em28xx_hash_table {
+ unsigned long hash;
+ unsigned int model;
+ unsigned int tuner;
+};
+
+/* Boards supported by driver */
+
+#define EM2800_BOARD_UNKNOWN 0
+#define EM2820_BOARD_UNKNOWN 1
+#define EM2820_BOARD_TERRATEC_CINERGY_250 2
+#define EM2820_BOARD_PINNACLE_USB_2 3
+#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
+#define EM2820_BOARD_MSI_VOX_USB_2 5
+#define EM2800_BOARD_TERRATEC_CINERGY_200 6
+#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
+#define EM2800_BOARD_KWORLD_USB2800 8
+#define EM2820_BOARD_PINNACLE_DVC_90 9
+#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
+#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
+#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
+#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
+#define EM2820_BOARD_PROLINK_PLAYTV_USB2 14
+#define EM2800_BOARD_VGEAR_POCKETTV 15
+#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 16
struct em28xx_board em28xx_boards[] = {
[EM2800_BOARD_UNKNOWN] = {
.name = "Unknown EM2800 video grabber",
.is_em2800 = 1,
.vchannels = 2,
- .norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2820_BOARD_UNKNOWN] = {
- .name = "Unknown EM2820/2840 video grabber",
+ .name = "Unknown EM2750/28xx video grabber",
.is_em2800 = 0,
- .vchannels = 2,
- .norm = VIDEO_MODE_PAL,
- .tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
- .decoder = EM28XX_SAA7113,
- .input = {{
- .type = EM28XX_VMUX_COMPOSITE1,
- .vmux = SAA7115_COMPOSITE0,
- .amux = 1,
- },{
- .type = EM28XX_VMUX_SVIDEO,
- .vmux = SAA7115_SVIDEO3,
- .amux = 1,
- }},
+ .tuner_type = TUNER_ABSENT,
},
[EM2820_BOARD_KWORLD_PVRTV2800RF] = {
.name = "Kworld PVR TV 2800 RF",
.is_em2800 = 0,
.vchannels = 2,
- .norm = VIDEO_MODE_PAL,
+ .tuner_type = TUNER_TEMIC_PAL,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2820_BOARD_TERRATEC_CINERGY_250] = {
.name = "Terratec Cinergy 250 USB",
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2820_BOARD_PINNACLE_USB_2] = {
.name = "Pinnacle PCTV USB 2",
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
.name = "Hauppauge WinTV USB 2",
.vchannels = 3,
- .norm = VIDEO_MODE_NTSC,
.tuner_type = TUNER_PHILIPS_FM1236_MK3,
- .tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
- .has_tuner = 1,
+ .tda9887_conf = TDA9887_PRESENT |
+ TDA9887_PORT1_ACTIVE|
+ TDA9887_PORT2_ACTIVE,
.decoder = EM28XX_TVP5150,
.has_msp34xx = 1,
/*FIXME: S-Video not tested */
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = MSP_INPUT_DEFAULT,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
- }},
+ } },
},
- [EM2820_BOARD_MSI_VOX_USB_2] = {
- .name = "MSI VOX USB 2.0",
- .vchannels = 3,
- .norm = VIDEO_MODE_PAL,
- .tuner_type = TUNER_LG_PAL_NEW_TAPC,
- .tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
- .has_tuner = 1,
- .decoder = EM28XX_SAA7114,
- .input = {{
+ [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
+ .name = "Hauppauge WinTV HVR 900",
+ .vchannels = 3,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_XC2028,
+ .mts_firmware = 1,
+ .decoder = EM28XX_TVP5150,
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = TVP5150_COMPOSITE0,
+ .amux = 0,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = TVP5150_COMPOSITE1,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = TVP5150_SVIDEO,
+ .amux = 1,
+ } },
+ },
+ [EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950] = {
+ .name = "Hauppauge WinTV HVR 950",
+ .vchannels = 3,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_XC2028,
+ .mts_firmware = 1,
+ .has_12mhz_i2s = 1,
+ .decoder = EM28XX_TVP5150,
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
- .vmux = SAA7115_COMPOSITE4,
+ .vmux = TVP5150_COMPOSITE0,
.amux = 0,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
- .vmux = SAA7115_COMPOSITE0,
+ .vmux = TVP5150_COMPOSITE1,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
- .vmux = SAA7115_SVIDEO3,
+ .vmux = TVP5150_SVIDEO,
.amux = 1,
- }},
+ } },
+
+ /* gpio's 4, 1, 0 */
+ .analog_gpio = 0x003d2d,
+ },
+ [EM2880_BOARD_TERRATEC_HYBRID_XS] = {
+ .name = "Terratec Hybrid XS",
+ .vchannels = 3,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_XC2028,
+ .decoder = EM28XX_TVP5150,
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = TVP5150_COMPOSITE0,
+ .amux = 0,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = TVP5150_COMPOSITE1,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = TVP5150_SVIDEO,
+ .amux = 1,
+ } },
+ },
+ /* maybe there's a reason behind it why Terratec sells the Hybrid XS
+ as Prodigy XS with a different PID, let's keep it separated for now
+ maybe we'll need it lateron */
+ [EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
+ .name = "Terratec Prodigy XS",
+ .vchannels = 3,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_XC2028,
+ .decoder = EM28XX_TVP5150,
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = TVP5150_COMPOSITE0,
+ .amux = 0,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = TVP5150_COMPOSITE1,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = TVP5150_SVIDEO,
+ .amux = 1,
+ } },
+ },
+ [EM2820_BOARD_MSI_VOX_USB_2] = {
+ .name = "MSI VOX USB 2.0",
+ .vchannels = 3,
+ .tuner_type = TUNER_LG_PAL_NEW_TAPC,
+ .tda9887_conf = TDA9887_PRESENT |
+ TDA9887_PORT1_ACTIVE |
+ TDA9887_PORT2_ACTIVE,
+ .max_range_640_480 = 1,
+
+ .decoder = EM28XX_SAA7114,
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = SAA7115_COMPOSITE4,
+ .amux = 0,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = SAA7115_COMPOSITE0,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = SAA7115_SVIDEO3,
+ .amux = 1,
+ } },
},
[EM2800_BOARD_TERRATEC_CINERGY_200] = {
.name = "Terratec Cinergy 200 USB",
.is_em2800 = 1,
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
.name = "Leadtek Winfast USB II",
.is_em2800 = 1,
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2800_BOARD_KWORLD_USB2800] = {
.name = "Kworld USB2800",
.is_em2800 = 1,
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_PHILIPS_ATSC,
.tda9887_conf = TDA9887_PRESENT,
- .has_tuner = 1,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
- },{
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
[EM2820_BOARD_PINNACLE_DVC_90] = {
- .name = "Pinnacle Dazzle DVC 90",
+ .name = "Pinnacle Dazzle DVC 90/DVC 100",
+ .vchannels = 3,
+ .tuner_type = TUNER_ABSENT,
+ .decoder = EM28XX_SAA7113,
+ .input = { {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = SAA7115_COMPOSITE0,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = SAA7115_SVIDEO3,
+ .amux = 1,
+ } },
+ },
+ [EM2800_BOARD_VGEAR_POCKETTV] = {
+ .name = "V-Gear PocketTV",
+ .is_em2800 = 1,
+ .vchannels = 3,
+ .tuner_type = TUNER_LG_PAL_NEW_TAPC,
+ .tda9887_conf = TDA9887_PRESENT,
+ .decoder = EM28XX_SAA7113,
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = SAA7115_COMPOSITE2,
+ .amux = 0,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = SAA7115_COMPOSITE0,
+ .amux = 1,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = SAA7115_SVIDEO3,
+ .amux = 1,
+ } },
+ },
+ [EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
+ .name = "Pixelview Prolink PlayTV USB 2.0",
.vchannels = 3,
- .norm = VIDEO_MODE_PAL,
- .has_tuner = 0,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_YMEC_TVF_5533MF,
.decoder = EM28XX_SAA7113,
- .input = {{
+ .input = { {
+ .type = EM28XX_VMUX_TELEVISION,
+ .vmux = SAA7115_COMPOSITE2,
+ .amux = 1,
+ }, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
- },{
+ }, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
- }},
+ } },
},
};
const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
/* table of devices that work with this driver */
struct usb_device_id em28xx_id_table [] = {
- { USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
- { USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_MSI_VOX_USB_2 },
- { USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
- { USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
- { USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
- { USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
+ { USB_DEVICE(0xeb1a, 0x2750),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2800),
+ .driver_info = EM2800_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2820),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2821),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2860),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2861),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2870),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2881),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2883),
+ .driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0x0ccd, 0x0036),
+ .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
+ { USB_DEVICE(0x2304, 0x0208),
+ .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
+ { USB_DEVICE(0x2040, 0x4200),
+ .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
+ { USB_DEVICE(0x2040, 0x4201),
+ .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
+ { USB_DEVICE(0x2304, 0x0207),
+ .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
+ { USB_DEVICE(0x2304, 0x021a),
+ .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
+ { USB_DEVICE(0x2040, 0x6500),
+ .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
+ { USB_DEVICE(0x2040, 0x6513),
+ .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 },
+ { USB_DEVICE(0x0ccd, 0x0042),
+ .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
+ { USB_DEVICE(0x0ccd, 0x0047),
+ .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
{ },
};
+MODULE_DEVICE_TABLE(usb, em28xx_id_table);
+
+/* EEPROM hash table for devices with generic USB IDs */
+static struct em28xx_hash_table em28xx_eeprom_hash [] = {
+ /* P/N: SA 60002070465 Tuner: TVF7533-MF */
+ {0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF},
+};
+
+/* I2C devicelist hash table for devices with generic USB IDs */
+static struct em28xx_hash_table em28xx_i2c_hash[] = {
+ {0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC},
+ {0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC},
+};
+/* Since em28xx_pre_card_setup() requires a proper dev->model,
+ * this won't work for boards with generic PCI IDs
+ */
void em28xx_pre_card_setup(struct em28xx *dev)
{
/* request some modules */
- switch(dev->model){
- case EM2880_BOARD_TERRATEC_PRODIGY_XS:
- case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
- case EM2880_BOARD_TERRATEC_HYBRID_XS:
- {
- em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1); // reset through GPIO?
- break;
+ switch (dev->model) {
+ case EM2880_BOARD_TERRATEC_PRODIGY_XS:
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950:
+ case EM2880_BOARD_TERRATEC_HYBRID_XS:
+ em28xx_write_regs(dev, XCLK_REG, "\x27", 1);
+ em28xx_write_regs(dev, I2C_CLK_REG, "\x40", 1);
+ em28xx_write_regs(dev, 0x08, "\xff", 1);
+ em28xx_write_regs(dev, 0x04, "\x00", 1);
+ msleep(100);
+ em28xx_write_regs(dev, 0x04, "\x08", 1);
+ msleep(100);
+ em28xx_write_regs(dev, 0x08, "\xff", 1);
+ msleep(50);
+ em28xx_write_regs(dev, 0x08, "\x2d", 1);
+ msleep(50);
+ em28xx_write_regs(dev, 0x08, "\x3d", 1);
+ break;
+ }
+}
+
+static int em28xx_tuner_callback(void *ptr, int command, int arg)
+{
+ int rc = 0;
+ struct em28xx *dev = ptr;
+
+ if (dev->tuner_type != TUNER_XC2028)
+ return 0;
+
+ switch (command) {
+ case XC2028_TUNER_RESET:
+ {
+ /* GPIO and initialization codes for analog TV and radio
+ This code should be complemented for DTV, since reset
+ codes are different.
+ */
+
+ dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
+ dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
+
+ if (dev->analog_gpio) {
+ char gpio0 = dev->analog_gpio & 0xff;
+ char gpio1 = (dev->analog_gpio >> 8) & 0xff;
+ char gpio4 = dev->analog_gpio >> 24;
+
+ if (gpio4) {
+ dev->em28xx_write_regs(dev, 0x04, &gpio4, 1);
+ msleep(140);
}
+
+ msleep(6);
+ dev->em28xx_write_regs(dev, 0x08, &gpio0, 1);
+ msleep(10);
+ dev->em28xx_write_regs(dev, 0x08, &gpio1, 1);
+ msleep(5);
+ }
+
+ break;
+ }
+ }
+ return rc;
+}
+
+static void em28xx_config_tuner(struct em28xx *dev)
+{
+ struct v4l2_priv_tun_config xc2028_cfg;
+ struct xc2028_ctrl ctl;
+ struct tuner_setup tun_setup;
+ struct v4l2_frequency f;
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return;
+
+ tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
+ tun_setup.type = dev->tuner_type;
+ tun_setup.addr = dev->tuner_addr;
+ tun_setup.tuner_callback = em28xx_tuner_callback;
+
+ em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
+
+ if (dev->tuner_type == TUNER_XC2028) {
+ memset(&ctl, 0, sizeof(ctl));
+
+ ctl.fname = XC2028_DEFAULT_FIRMWARE;
+ ctl.max_len = 64;
+ ctl.mts = em28xx_boards[dev->model].mts_firmware;
+
+ xc2028_cfg.tuner = TUNER_XC2028;
+ xc2028_cfg.priv = &ctl;
+
+ em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
+ }
+
+ /* configure tuner */
+ f.tuner = 0;
+ f.type = V4L2_TUNER_ANALOG_TV;
+ f.frequency = 9076; /* just a magic number */
+ dev->ctl_freq = f.frequency;
+ em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
+}
+
+static int em28xx_hint_board(struct em28xx *dev)
+{
+ int i;
+
+ /* HINT method: EEPROM
+ *
+ * This method works only for boards with eeprom.
+ * Uses a hash of all eeprom bytes. The hash should be
+ * unique for a vendor/tuner pair.
+ * There are a high chance that tuners for different
+ * video standards produce different hashes.
+ */
+ for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
+ if (dev->hash == em28xx_eeprom_hash[i].hash) {
+ dev->model = em28xx_eeprom_hash[i].model;
+ dev->tuner_type = em28xx_eeprom_hash[i].tuner;
+
+ em28xx_errdev("Your board has no unique USB ID.\n");
+ em28xx_errdev("A hint were successfully done, "
+ "based on eeprom hash.\n");
+ em28xx_errdev("This method is not 100%% failproof.\n");
+ em28xx_errdev("If the board were missdetected, "
+ "please email this log to:\n");
+ em28xx_errdev("\tV4L Mailing List "
+ " <video4linux-list@redhat.com>\n");
+ em28xx_errdev("Board detected as %s\n",
+ em28xx_boards[dev->model].name);
+
+ return 0;
+ }
+ }
+
+ /* HINT method: I2C attached devices
+ *
+ * This method works for all boards.
+ * Uses a hash of i2c scanned devices.
+ * Devices with the same i2c attached chips will
+ * be considered equal.
+ * This method is less precise than the eeprom one.
+ */
+
+ /* user did not request i2c scanning => do it now */
+ if (!dev->i2c_hash)
+ em28xx_do_i2c_scan(dev);
+
+ for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
+ if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
+ dev->model = em28xx_i2c_hash[i].model;
+ dev->tuner_type = em28xx_i2c_hash[i].tuner;
+ em28xx_errdev("Your board has no unique USB ID.\n");
+ em28xx_errdev("A hint were successfully done, "
+ "based on i2c devicelist hash.\n");
+ em28xx_errdev("This method is not 100%% failproof.\n");
+ em28xx_errdev("If the board were missdetected, "
+ "please email this log to:\n");
+ em28xx_errdev("\tV4L Mailing List "
+ " <video4linux-list@redhat.com>\n");
+ em28xx_errdev("Board detected as %s\n",
+ em28xx_boards[dev->model].name);
+
+ return 0;
+ }
+ }
+
+ em28xx_errdev("Your board has no unique USB ID and thus need a "
+ "hint to be detected.\n");
+ em28xx_errdev("You may try to use card=<n> insmod option to "
+ "workaround that.\n");
+ em28xx_errdev("Please send an email with this log to:\n");
+ em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
+ em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
+ em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);
+
+ em28xx_errdev("Here is a list of valid choices for the card=<n>"
+ " insmod option:\n");
+ for (i = 0; i < em28xx_bcount; i++) {
+ em28xx_errdev(" card=%d -> %s\n",
+ i, em28xx_boards[i].name);
+ }
+ return -1;
+}
+
+
+static void em28xx_set_model(struct em28xx *dev)
+{
+ dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
+ dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
+ dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
+ dev->decoder = em28xx_boards[dev->model].decoder;
+ dev->video_inputs = em28xx_boards[dev->model].vchannels;
+ dev->analog_gpio = em28xx_boards[dev->model].analog_gpio;
+ dev->has_12mhz_i2s = em28xx_boards[dev->model].has_12mhz_i2s;
+ dev->max_range_640_480 = em28xx_boards[dev->model].max_range_640_480;
+}
+
+/* ----------------------------------------------------------------------- */
+void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir)
+{
+ if (disable_ir) {
+ ir->get_key = NULL;
+ return ;
+ }
+
+ /* detect & configure */
+ switch (dev->model) {
+ case (EM2800_BOARD_UNKNOWN):
+ break;
+ case (EM2820_BOARD_UNKNOWN):
+ break;
+ case (EM2800_BOARD_TERRATEC_CINERGY_200):
+ case (EM2820_BOARD_TERRATEC_CINERGY_250):
+ ir->ir_codes = ir_codes_em_terratec;
+ ir->get_key = em28xx_get_key_terratec;
+ snprintf(ir->c.name, sizeof(ir->c.name),
+ "i2c IR (EM28XX Terratec)");
+ break;
+ case (EM2820_BOARD_PINNACLE_USB_2):
+ ir->ir_codes = ir_codes_pinnacle_grey;
+ ir->get_key = em28xx_get_key_pinnacle_usb_grey;
+ snprintf(ir->c.name, sizeof(ir->c.name),
+ "i2c IR (EM28XX Pinnacle PCTV)");
+ break;
+ case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
+ ir->ir_codes = ir_codes_hauppauge_new;
+ ir->get_key = em28xx_get_key_em_haup;
+ snprintf(ir->c.name, sizeof(ir->c.name),
+ "i2c IR (EM2840 Hauppauge)");
+ break;
+ case (EM2820_BOARD_MSI_VOX_USB_2):
+ break;
+ case (EM2800_BOARD_LEADTEK_WINFAST_USBII):
+ break;
+ case (EM2800_BOARD_KWORLD_USB2800):
+ break;
}
}
void em28xx_card_setup(struct em28xx *dev)
{
+ em28xx_set_model(dev);
+
+ dev->tuner_type = em28xx_boards[dev->model].tuner_type;
+
/* request some modules */
- switch(dev->model){
- case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
- {
- struct tveeprom tv;
+ switch (dev->model) {
+ case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950:
+ {
+ struct tveeprom tv;
#ifdef CONFIG_MODULES
- request_module("tveeprom");
- request_module("ir-kbd-i2c");
- request_module("msp3400");
+ request_module("tveeprom");
#endif
- /* Call first TVeeprom */
-
- dev->i2c_client.addr = 0xa0 >> 1;
- tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
-
- dev->tuner_type= tv.tuner_type;
- if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
- dev->i2s_speed=2048000;
- dev->has_msp34xx=1;
- } else
- dev->has_msp34xx=0;
- break;
- }
- case EM2820_BOARD_KWORLD_PVRTV2800RF:
- {
- em28xx_write_regs_req(dev,0x00,0x08, "\xf9", 1); // GPIO enables sound on KWORLD PVR TV 2800RF
- break;
- }
+ /* Call first TVeeprom */
+
+ dev->i2c_client.addr = 0xa0 >> 1;
+ tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
+ dev->tuner_type = tv.tuner_type;
+
+ if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
+ dev->i2s_speed = 2048000;
+ dev->has_msp34xx = 1;
+ }
+#ifdef CONFIG_MODULES
+ if (tv.has_ir)
+ request_module("ir-kbd-i2c");
+#endif
+ break;
+ }
+ case EM2820_BOARD_KWORLD_PVRTV2800RF:
+ /* GPIO enables sound on KWORLD PVR TV 2800RF */
+ em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
+ break;
+ case EM2820_BOARD_UNKNOWN:
+ case EM2800_BOARD_UNKNOWN:
+ if (!em28xx_hint_board(dev))
+ em28xx_set_model(dev);
}
-}
-MODULE_DEVICE_TABLE (usb, em28xx_id_table);
+ /* Allow override tuner type by a module parameter */
+ if (tuner >= 0)
+ dev->tuner_type = tuner;
+
+#ifdef CONFIG_MODULES
+ /* request some modules */
+ if (dev->has_msp34xx)
+ request_module("msp3400");
+ if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
+ request_module("saa7115");
+ if (dev->decoder == EM28XX_TVP5150)
+ request_module("tvp5150");
+ if (dev->tuner_type != TUNER_ABSENT)
+ request_module("tuner");
+#endif
+
+ em28xx_config_tuner(dev);
+}
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index d56484f20467..f6b78357f0e5 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -252,7 +252,7 @@ int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
* em28xx_write_ac97()
* write a 16 bit value to the specified AC97 address (LSB first!)
*/
-int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val)
+static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 *val)
{
int ret;
u8 addr = reg & 0x7f;
@@ -268,16 +268,98 @@ int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val)
return 0;
}
+int em28xx_set_audio_source(struct em28xx *dev)
+{
+ static char *enable = "\x08\x08";
+ static char *disable = "\x08\x88";
+ char *video = enable, *line = disable;
+ int ret, no_ac97;
+ u8 input;
+
+ if (dev->is_em2800) {
+ if (dev->ctl_ainput)
+ input = EM2800_AUDIO_SRC_LINE;
+ else
+ input = EM2800_AUDIO_SRC_TUNER;
+
+ ret = em28xx_write_regs(dev, EM2800_AUDIOSRC_REG, &input, 1);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (dev->has_msp34xx)
+ input = EM28XX_AUDIO_SRC_TUNER;
+ else {
+ switch (dev->ctl_ainput) {
+ case EM28XX_AMUX_VIDEO:
+ input = EM28XX_AUDIO_SRC_TUNER;
+ no_ac97 = 1;
+ break;
+ case EM28XX_AMUX_LINE_IN:
+ input = EM28XX_AUDIO_SRC_LINE;
+ no_ac97 = 1;
+ break;
+ case EM28XX_AMUX_AC97_VIDEO:
+ input = EM28XX_AUDIO_SRC_LINE;
+ break;
+ case EM28XX_AMUX_AC97_LINE_IN:
+ input = EM28XX_AUDIO_SRC_LINE;
+ video = disable;
+ line = enable;
+ break;
+ }
+ }
+
+ ret = em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
+ if (ret < 0)
+ return ret;
+
+ if (no_ac97)
+ return 0;
+
+ /* Sets AC97 mixer registers */
+
+ ret = em28xx_write_ac97(dev, VIDEO_AC97, video);
+ if (ret < 0)
+ return ret;
+
+ ret = em28xx_write_ac97(dev, LINE_IN_AC97, line);
+
+ return ret;
+}
+
int em28xx_audio_analog_set(struct em28xx *dev)
{
+ int ret;
char s[2] = { 0x00, 0x00 };
+ u8 xclk = 0x07;
+
s[0] |= 0x1f - dev->volume;
s[1] |= 0x1f - dev->volume;
+
if (dev->mute)
s[1] |= 0x80;
- return em28xx_write_ac97(dev, MASTER_AC97, s);
-}
+ ret = em28xx_write_ac97(dev, MASTER_AC97, s);
+ if (ret < 0)
+ return ret;
+
+ if (dev->has_12mhz_i2s)
+ xclk |= 0x20;
+
+ if (!dev->mute)
+ xclk |= 0x80;
+ ret = em28xx_write_reg_bits(dev, XCLK_REG, xclk, 0xa7);
+ if (ret < 0)
+ return ret;
+ msleep(10);
+
+ /* Selects the proper audio input */
+ ret = em28xx_set_audio_source(dev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(em28xx_audio_analog_set);
int em28xx_colorlevels_set_default(struct em28xx *dev)
{
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index e3a4aa7a9df4..cacd04d46e99 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -25,9 +25,9 @@
#include <linux/kernel.h>
#include <linux/usb.h>
#include <linux/i2c.h>
-#include <linux/video_decoder.h>
#include "em28xx.h"
+#include "tuner-xc2028.h"
#include <media/v4l2-common.h>
#include <media/tuner.h>
@@ -291,6 +291,31 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap,
return rc;
}
+/* based on linux/sunrpc/svcauth.h and linux/hash.h
+ * The original hash function returns a different value, if arch is x86_64
+ * or i386.
+ */
+static inline unsigned long em28xx_hash_mem(char *buf, int length, int bits)
+{
+ unsigned long hash = 0;
+ unsigned long l = 0;
+ int len = 0;
+ unsigned char c;
+ do {
+ if (len == length) {
+ c = (char)len;
+ len = -1;
+ } else
+ c = *buf++;
+ l = (l << 8) | c;
+ len++;
+ if ((len & (32 / 8 - 1)) == 0)
+ hash = ((hash^l) * 0x9e370001UL);
+ } while (len);
+
+ return (hash >> (32 - bits)) & 0xffffffffUL;
+}
+
static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
{
unsigned char buf, *p = eedata;
@@ -334,7 +359,11 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
printk("\n");
}
- printk(KERN_INFO "EEPROM ID= 0x%08x\n", em_eeprom->id);
+ if (em_eeprom->id == 0x9567eb1a)
+ dev->hash = em28xx_hash_mem(eedata, len, 32);
+
+ printk(KERN_INFO "EEPROM ID= 0x%08x, hash = 0x%08lx\n",
+ em_eeprom->id, dev->hash);
printk(KERN_INFO "Vendor/Product ID= %04x:%04x\n", em_eeprom->vendor_ID,
em_eeprom->product_ID);
@@ -391,21 +420,6 @@ static u32 functionality(struct i2c_adapter *adap)
}
-static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client)
-{
- struct em28xx *dev = client->adapter->algo_data;
- struct tuner_setup tun_setup;
-
- if (dev->has_tuner) {
- tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
- tun_setup.type = dev->tuner_type;
- tun_setup.addr = dev->tuner_addr;
- em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
- }
-
- return (0);
-}
-
/*
* attach_inform()
* gets called when a device attaches to the i2c bus
@@ -421,6 +435,8 @@ static int attach_inform(struct i2c_client *client)
case 0x96:
case 0x94:
{
+ struct v4l2_priv_tun_config tda9887_cfg;
+
struct tuner_setup tun_setup;
tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
@@ -428,7 +444,11 @@ static int attach_inform(struct i2c_client *client)
tun_setup.addr = client->addr;
em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
- em28xx_i2c_call_clients(dev, TDA9887_SET_CONFIG, &dev->tda9887_conf);
+
+ tda9887_cfg.tuner = TUNER_TDA9887;
+ tda9887_cfg.priv = &dev->tda9887_conf;
+ em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG,
+ &tda9887_cfg);
break;
}
case 0x42:
@@ -458,9 +478,11 @@ static int attach_inform(struct i2c_client *client)
break;
default:
+ if (!dev->tuner_addr)
+ dev->tuner_addr = client->addr;
+
dprintk1(1,"attach inform: detected I2C address %x\n", client->addr << 1);
- dev->tuner_addr = client->addr;
- em28xx_set_tuner(-1, client);
+
}
return 0;
@@ -510,19 +532,26 @@ static char *i2c_devs[128] = {
* do_i2c_scan()
* check i2c address range for devices
*/
-static void do_i2c_scan(char *name, struct i2c_client *c)
+void em28xx_do_i2c_scan(struct em28xx *dev)
{
+ u8 i2c_devicelist[128];
unsigned char buf;
int i, rc;
+ memset(i2c_devicelist, 0, ARRAY_SIZE(i2c_devicelist));
+
for (i = 0; i < ARRAY_SIZE(i2c_devs); i++) {
- c->addr = i;
- rc = i2c_master_recv(c, &buf, 0);
+ dev->i2c_client.addr = i;
+ rc = i2c_master_recv(&dev->i2c_client, &buf, 0);
if (rc < 0)
continue;
- printk(KERN_INFO "%s: found i2c device @ 0x%x [%s]\n", name,
- i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
+ i2c_devicelist[i] = i;
+ printk(KERN_INFO "%s: found i2c device @ 0x%x [%s]\n",
+ dev->name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
}
+
+ dev->i2c_hash = em28xx_hash_mem(i2c_devicelist,
+ ARRAY_SIZE(i2c_devicelist), 32);
}
/*
@@ -555,7 +584,7 @@ int em28xx_i2c_register(struct em28xx *dev)
em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
if (i2c_scan)
- do_i2c_scan(dev->name, &dev->i2c_client);
+ em28xx_do_i2c_scan(dev);
return 0;
}
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index e3894b68c4ee..10da2fd8d987 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -30,11 +30,7 @@
#include "em28xx.h"
-static unsigned int disable_ir = 0;
-module_param(disable_ir, int, 0444);
-MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
-
-static unsigned int ir_debug = 0;
+static unsigned int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
@@ -43,7 +39,7 @@ MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
/* ----------------------------------------------------------------------- */
-static int get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char b;
@@ -72,7 +68,7 @@ static int get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
}
-static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
unsigned char buf[2];
unsigned char code;
@@ -103,7 +99,8 @@ static int get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
return 1;
}
-static int get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
+ u32 *ir_raw)
{
unsigned char buf[3];
@@ -125,45 +122,6 @@ static int get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw
return 1;
}
-/* ----------------------------------------------------------------------- */
-void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir)
-{
- if (disable_ir) {
- ir->get_key=NULL;
- return ;
- }
-
- /* detect & configure */
- switch (dev->model) {
- case (EM2800_BOARD_UNKNOWN):
- break;
- case (EM2820_BOARD_UNKNOWN):
- break;
- case (EM2800_BOARD_TERRATEC_CINERGY_200):
- case (EM2820_BOARD_TERRATEC_CINERGY_250):
- ir->ir_codes = ir_codes_em_terratec;
- ir->get_key = get_key_terratec;
- snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Terratec)");
- break;
- case (EM2820_BOARD_PINNACLE_USB_2):
- ir->ir_codes = ir_codes_pinnacle_grey;
- ir->get_key = get_key_pinnacle_usb_grey;
- snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM28XX Pinnacle PCTV)");
- break;
- case (EM2820_BOARD_HAUPPAUGE_WINTV_USB_2):
- ir->ir_codes = ir_codes_hauppauge_new;
- ir->get_key = get_key_em_haup;
- snprintf(ir->c.name, sizeof(ir->c.name), "i2c IR (EM2840 Hauppauge)");
- break;
- case (EM2820_BOARD_MSI_VOX_USB_2):
- break;
- case (EM2800_BOARD_LEADTEK_WINFAST_USBII):
- break;
- case (EM2800_BOARD_KWORLD_USB2800):
- break;
- }
-}
-
/* ----------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 0906bc5766cc..a0c334672488 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -33,13 +33,12 @@
#include <linux/i2c.h>
#include <linux/version.h>
#include <linux/mm.h>
-#include <linux/video_decoder.h>
#include <linux/mutex.h>
#include "em28xx.h"
-#include <media/tuner.h>
#include <media/v4l2-common.h>
#include <media/msp3400.h>
+#include <media/tuner.h>
#define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \
"Markus Rechberger <mrechberger@gmail.com>, " \
@@ -48,7 +47,7 @@
#define DRIVER_NAME "em28xx"
#define DRIVER_DESC "Empia em28xx based USB video device driver"
-#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 0, 1)
+#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 0)
#define em28xx_videodbg(fmt, arg...) do {\
if (video_debug) \
@@ -63,17 +62,17 @@ static LIST_HEAD(em28xx_devlist);
static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
+static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
+static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
+
module_param_array(card, int, NULL, 0444);
module_param_array(video_nr, int, NULL, 0444);
module_param_array(vbi_nr, int, NULL, 0444);
-MODULE_PARM_DESC(card,"card type");
-MODULE_PARM_DESC(video_nr,"video device numbers");
-MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
-
-static int tuner = -1;
-module_param(tuner, int, 0444);
-MODULE_PARM_DESC(tuner, "tuner type");
+module_param_array(radio_nr, int, NULL, 0444);
+MODULE_PARM_DESC(card, "card type");
+MODULE_PARM_DESC(video_nr, "video device numbers");
+MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
+MODULE_PARM_DESC(radio_nr, "radio device numbers");
static unsigned int video_debug = 0;
module_param(video_debug,int,0644);
@@ -82,29 +81,6 @@ MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */
static unsigned long em28xx_devused;
-/* supported tv norms */
-static struct em28xx_tvnorm tvnorms[] = {
- {
- .name = "PAL",
- .id = V4L2_STD_PAL,
- .mode = VIDEO_MODE_PAL,
- }, {
- .name = "NTSC",
- .id = V4L2_STD_NTSC,
- .mode = VIDEO_MODE_NTSC,
- }, {
- .name = "SECAM",
- .id = V4L2_STD_SECAM,
- .mode = VIDEO_MODE_SECAM,
- }, {
- .name = "PAL-M",
- .id = V4L2_STD_PAL_M,
- .mode = VIDEO_MODE_PAL,
- }
-};
-
-#define TVNORMS ARRAY_SIZE(tvnorms)
-
/* supported controls */
/* Common to all boards */
static struct v4l2_queryctrl em28xx_qctrl[] = {
@@ -131,8 +107,6 @@ static struct v4l2_queryctrl em28xx_qctrl[] = {
static struct usb_driver em28xx_usb_driver;
-static DEFINE_MUTEX(em28xx_sysfs_lock);
-static DECLARE_RWSEM(em28xx_disconnect);
/********************* v4l2 interface ******************************************/
@@ -153,11 +127,9 @@ static int em28xx_config(struct em28xx *dev)
/* em28xx_write_regs_req(dev,0x00,0x0f,"\x80",1); clk register */
em28xx_write_regs_req(dev,0x00,0x11,"\x51",1);
- em28xx_audio_usb_mute(dev, 1);
dev->mute = 1; /* maybe not the right place... */
dev->volume = 0x1f;
- em28xx_audio_analog_set(dev);
- em28xx_audio_analog_setup(dev);
+
em28xx_outfmt_set_yuv422(dev);
em28xx_colorlevels_set_default(dev);
em28xx_compression_disable(dev);
@@ -171,7 +143,6 @@ static int em28xx_config(struct em28xx *dev)
*/
static void em28xx_config_i2c(struct em28xx *dev)
{
- struct v4l2_frequency f;
struct v4l2_routing route;
route.input = INPUT(dev->ctl_input)->vmux;
@@ -179,18 +150,6 @@ static void em28xx_config_i2c(struct em28xx *dev)
em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, NULL);
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL);
-
- /* configure tuner */
- f.tuner = 0;
- f.type = V4L2_TUNER_ANALOG_TV;
- f.frequency = 9076; /* FIXME:remove magic number */
- dev->ctl_freq = f.frequency;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
-
- /* configure tda9887 */
-
-
-/* em28xx_i2c_call_clients(dev,VIDIOC_S_STD,&dev->tvnorm->id); */
}
/*
@@ -212,7 +171,6 @@ static void em28xx_empty_framequeues(struct em28xx *dev)
static void video_mux(struct em28xx *dev, int index)
{
- int ainput;
struct v4l2_routing route;
route.input = INPUT(index)->vmux;
@@ -222,8 +180,6 @@ static void video_mux(struct em28xx *dev, int index)
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
- em28xx_videodbg("Setting input index=%d, vmux=%d, amux=%d\n",index,route.input,dev->ctl_ainput);
-
if (dev->has_msp34xx) {
if (dev->i2s_speed)
em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, &dev->i2s_speed);
@@ -231,18 +187,1068 @@ static void video_mux(struct em28xx *dev, int index)
route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
/* Note: this is msp3400 specific */
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, &route);
- ainput = EM28XX_AUDIO_SRC_TUNER;
- em28xx_audio_source(dev, ainput);
+ }
+
+ em28xx_set_audio_source(dev);
+}
+
+/* Usage lock check functions */
+static int res_get(struct em28xx_fh *fh)
+{
+ struct em28xx *dev = fh->dev;
+ int rc = 0;
+
+ /* This instance already has stream_on */
+ if (fh->stream_on)
+ return rc;
+
+ mutex_lock(&dev->lock);
+
+ if (dev->stream_on)
+ rc = -EINVAL;
+ else {
+ dev->stream_on = 1;
+ fh->stream_on = 1;
+ }
+
+ mutex_unlock(&dev->lock);
+ return rc;
+}
+
+static int res_check(struct em28xx_fh *fh)
+{
+ return (fh->stream_on);
+}
+
+static void res_free(struct em28xx_fh *fh)
+{
+ struct em28xx *dev = fh->dev;
+
+ mutex_lock(&dev->lock);
+ fh->stream_on = 0;
+ dev->stream_on = 0;
+ mutex_unlock(&dev->lock);
+}
+
+/*
+ * em28xx_vm_open()
+ */
+static void em28xx_vm_open(struct vm_area_struct *vma)
+{
+ struct em28xx_frame_t *f = vma->vm_private_data;
+ f->vma_use_count++;
+}
+
+/*
+ * em28xx_vm_close()
+ */
+static void em28xx_vm_close(struct vm_area_struct *vma)
+{
+ /* NOTE: buffers are not freed here */
+ struct em28xx_frame_t *f = vma->vm_private_data;
+
+ if (f->vma_use_count)
+ f->vma_use_count--;
+}
+
+static struct vm_operations_struct em28xx_vm_ops = {
+ .open = em28xx_vm_open,
+ .close = em28xx_vm_close,
+};
+
+
+/*
+ * em28xx_get_ctrl()
+ * return the current saturation, brightness or contrast, mute state
+ */
+static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
+{
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = dev->mute;
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value = dev->volume;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * em28xx_set_ctrl()
+ * mute or set new saturation, brightness or contrast
+ */
+static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
+{
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (ctrl->value != dev->mute) {
+ dev->mute = ctrl->value;
+ return em28xx_audio_analog_set(dev);
+ }
+ return 0;
+ case V4L2_CID_AUDIO_VOLUME:
+ dev->volume = ctrl->value;
+ return em28xx_audio_analog_set(dev);
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * em28xx_stream_interrupt()
+ * stops streaming
+ */
+static int em28xx_stream_interrupt(struct em28xx *dev)
+{
+ int rc = 0;
+
+ /* stop reading from the device */
+
+ dev->stream = STREAM_INTERRUPT;
+ rc = wait_event_timeout(dev->wait_stream,
+ (dev->stream == STREAM_OFF) ||
+ (dev->state & DEV_DISCONNECTED),
+ EM28XX_URB_TIMEOUT);
+
+ if (rc) {
+ dev->state |= DEV_MISCONFIGURED;
+ em28xx_videodbg("device is misconfigured; close and "
+ "open /dev/video%d again\n",
+ dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN);
+ return rc;
+ }
+
+ return 0;
+}
+
+
+static int check_dev(struct em28xx *dev)
+{
+ if (dev->state & DEV_DISCONNECTED) {
+ em28xx_errdev("v4l2 ioctl: device not present\n");
+ return -ENODEV;
+ }
+
+ if (dev->state & DEV_MISCONFIGURED) {
+ em28xx_errdev("v4l2 ioctl: device is misconfigured; "
+ "close and open it again\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+static void get_scale(struct em28xx *dev,
+ unsigned int width, unsigned int height,
+ unsigned int *hscale, unsigned int *vscale)
+{
+ unsigned int maxw = norm_maxw(dev);
+ unsigned int maxh = norm_maxh(dev);
+
+ *hscale = (((unsigned long)maxw) << 12) / width - 4096L;
+ if (*hscale >= 0x4000)
+ *hscale = 0x3fff;
+
+ *vscale = (((unsigned long)maxh) << 12) / height - 4096L;
+ if (*vscale >= 0x4000)
+ *vscale = 0x3fff;
+}
+
+/* ------------------------------------------------------------------
+ IOCTL vidioc handling
+ ------------------------------------------------------------------*/
+
+static int vidioc_g_fmt_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ mutex_lock(&dev->lock);
+
+ f->fmt.pix.width = dev->width;
+ f->fmt.pix.height = dev->height;
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+ f->fmt.pix.bytesperline = dev->bytesperline;
+ f->fmt.pix.sizeimage = dev->frame_size;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
+ f->fmt.pix.field = dev->interlaced ?
+ V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_try_fmt_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int width = f->fmt.pix.width;
+ int height = f->fmt.pix.height;
+ unsigned int maxw = norm_maxw(dev);
+ unsigned int maxh = norm_maxh(dev);
+ unsigned int hscale, vscale;
+
+ /* width must even because of the YUYV format
+ height must be even because of interlacing */
+ height &= 0xfffe;
+ width &= 0xfffe;
+
+ if (height < 32)
+ height = 32;
+ if (height > maxh)
+ height = maxh;
+ if (width < 48)
+ width = 48;
+ if (width > maxw)
+ width = maxw;
+
+ mutex_lock(&dev->lock);
+
+ if (dev->is_em2800) {
+ /* the em2800 can only scale down to 50% */
+ if (height % (maxh / 2))
+ height = maxh;
+ if (width % (maxw / 2))
+ width = maxw;
+ /* according to empiatech support */
+ /* the MaxPacketSize is to small to support */
+ /* framesizes larger than 640x480 @ 30 fps */
+ /* or 640x576 @ 25 fps. As this would cut */
+ /* of a part of the image we prefer */
+ /* 360x576 or 360x480 for now */
+ if (width == maxw && height == maxh)
+ width /= 2;
+ }
+
+ get_scale(dev, width, height, &hscale, &vscale);
+
+ width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
+ height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
+
+ f->fmt.pix.width = width;
+ f->fmt.pix.height = height;
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
+ f->fmt.pix.bytesperline = width * 2;
+ f->fmt.pix.sizeimage = width * 2 * height;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.field = V4L2_FIELD_INTERLACED;
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_s_fmt_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc, i;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ vidioc_try_fmt_cap(file, priv, f);
+
+ mutex_lock(&dev->lock);
+
+ for (i = 0; i < dev->num_frames; i++)
+ if (dev->frame[i].vma_use_count) {
+ em28xx_videodbg("VIDIOC_S_FMT failed. "
+ "Unmap the buffers first.\n");
+ rc = -EINVAL;
+ goto err;
+ }
+
+ /* stop io in case it is already in progress */
+ if (dev->stream == STREAM_ON) {
+ em28xx_videodbg("VIDIOC_SET_FMT: interrupting stream\n");
+ rc = em28xx_stream_interrupt(dev);
+ if (rc < 0)
+ goto err;
+ }
+
+ em28xx_release_buffers(dev);
+ dev->io = IO_NONE;
+
+ /* set new image size */
+ dev->width = f->fmt.pix.width;
+ dev->height = f->fmt.pix.height;
+ dev->frame_size = dev->width * dev->height * 2;
+ dev->field_size = dev->frame_size >> 1;
+ dev->bytesperline = dev->width * 2;
+ get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
+
+ /* FIXME: This is really weird! Why capture is starting with
+ this ioctl ???
+ */
+ em28xx_uninit_isoc(dev);
+ em28xx_set_alternate(dev);
+ em28xx_capture_start(dev, 1);
+ em28xx_resolution_set(dev);
+ em28xx_init_isoc(dev);
+ rc = 0;
+
+err:
+ mutex_unlock(&dev->lock);
+ return rc;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ struct v4l2_format f;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ mutex_lock(&dev->lock);
+ dev->norm = *norm;
+ mutex_unlock(&dev->lock);
+
+ /* Adjusts width/height, if needed */
+ f.fmt.pix.width = dev->width;
+ f.fmt.pix.height = dev->height;
+ vidioc_try_fmt_cap(file, priv, &f);
+
+ mutex_lock(&dev->lock);
+
+ /* set new image size */
+ dev->width = f.fmt.pix.width;
+ dev->height = f.fmt.pix.height;
+ dev->frame_size = dev->width * dev->height * 2;
+ dev->field_size = dev->frame_size >> 1;
+ dev->bytesperline = dev->width * 2;
+ get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
+
+ em28xx_resolution_set(dev);
+ em28xx_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static const char *iname[] = {
+ [EM28XX_VMUX_COMPOSITE1] = "Composite1",
+ [EM28XX_VMUX_COMPOSITE2] = "Composite2",
+ [EM28XX_VMUX_COMPOSITE3] = "Composite3",
+ [EM28XX_VMUX_COMPOSITE4] = "Composite4",
+ [EM28XX_VMUX_SVIDEO] = "S-Video",
+ [EM28XX_VMUX_TELEVISION] = "Television",
+ [EM28XX_VMUX_CABLE] = "Cable TV",
+ [EM28XX_VMUX_DVB] = "DVB",
+ [EM28XX_VMUX_DEBUG] = "for debug only",
+};
+
+static int vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ unsigned int n;
+
+ n = i->index;
+ if (n >= MAX_EM28XX_INPUT)
+ return -EINVAL;
+ if (0 == INPUT(n)->type)
+ return -EINVAL;
+
+ i->index = n;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+
+ strcpy(i->name, iname[INPUT(n)->type]);
+
+ if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
+ (EM28XX_VMUX_CABLE == INPUT(n)->type))
+ i->type = V4L2_INPUT_TYPE_TUNER;
+
+ i->std = dev->vdev->tvnorms;
+
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ *i = dev->ctl_input;
+
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (i >= MAX_EM28XX_INPUT)
+ return -EINVAL;
+ if (0 == INPUT(i)->type)
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ video_mux(dev, i);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ unsigned int index = a->index;
+
+ if (a->index > 1)
+ return -EINVAL;
+
+ index = dev->ctl_ainput;
+
+ if (index == 0) {
+ strcpy(a->name, "Television");
} else {
- switch (dev->ctl_ainput) {
- case 0:
- ainput = EM28XX_AUDIO_SRC_TUNER;
+ strcpy(a->name, "Line In");
+ }
+ a->capability = V4L2_AUDCAP_STEREO;
+ a->index = index;
+
+ return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ if (a->index != dev->ctl_ainput)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int vidioc_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *qc)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int id = qc->id;
+ int i;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ memset(qc, 0, sizeof(*qc));
+
+ qc->id = id;
+
+ if (!dev->has_msp34xx) {
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (qc->id && qc->id == em28xx_qctrl[i].id) {
+ memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc));
+ return 0;
+ }
+ }
+ }
+ mutex_lock(&dev->lock);
+ em28xx_i2c_call_clients(dev, VIDIOC_QUERYCTRL, qc);
+ mutex_unlock(&dev->lock);
+
+ if (qc->type)
+ return 0;
+ else
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+ mutex_lock(&dev->lock);
+
+ if (!dev->has_msp34xx)
+ rc = em28xx_get_ctrl(dev, ctrl);
+ else
+ rc = -EINVAL;
+
+ if (rc == -EINVAL) {
+ em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ rc = 0;
+ }
+
+ mutex_unlock(&dev->lock);
+ return rc;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ u8 i;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ mutex_lock(&dev->lock);
+
+ if (dev->has_msp34xx)
+ em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
+ else {
+ rc = 1;
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (ctrl->id == em28xx_qctrl[i].id) {
+ if (ctrl->value < em28xx_qctrl[i].minimum ||
+ ctrl->value > em28xx_qctrl[i].maximum) {
+ rc = -ERANGE;
+ break;
+ }
+
+ rc = em28xx_set_ctrl(dev, ctrl);
break;
- default:
- ainput = EM28XX_AUDIO_SRC_LINE;
+ }
+ }
+ }
+
+ /* Control not found - try to send it to the attached devices */
+ if (rc == 1) {
+ em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
+ rc = 0;
+ }
+
+ mutex_unlock(&dev->lock);
+ return rc;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ strcpy(t->name, "Tuner");
+
+ mutex_lock(&dev->lock);
+
+ em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->ctl_freq;
+
+ return 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (0 != f->tuner)
+ return -EINVAL;
+
+ if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
+ return -EINVAL;
+ if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ dev->ctl_freq = f->frequency;
+ em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_cropcap(struct file *file, void *priv,
+ struct v4l2_cropcap *cc)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ cc->bounds.left = 0;
+ cc->bounds.top = 0;
+ cc->bounds.width = dev->width;
+ cc->bounds.height = dev->height;
+ cc->defrect = cc->bounds;
+ cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
+ cc->pixelaspect.denominator = 59;
+
+ return 0;
+}
+
+static int vidioc_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP)
+ return -EINVAL;
+
+ if (list_empty(&dev->inqueue))
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ if (unlikely(res_get(fh) < 0)) {
+ mutex_unlock(&dev->lock);
+ return -EBUSY;
+ }
+
+ dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP)
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ if (dev->stream == STREAM_ON) {
+ em28xx_videodbg("VIDIOC_STREAMOFF: interrupting stream\n");
+ rc = em28xx_stream_interrupt(dev);
+ if (rc < 0) {
+ mutex_unlock(&dev->lock);
+ return rc;
+ }
+ }
+
+ em28xx_empty_framequeues(dev);
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
+ strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
+ strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info));
+
+ cap->version = EM28XX_VERSION_CODE;
+
+ cap->capabilities =
+ V4L2_CAP_SLICED_VBI_CAPTURE |
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_AUDIO |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+
+ if (dev->tuner_type != TUNER_ABSENT)
+ cap->capabilities |= V4L2_CAP_TUNER;
+
+ return 0;
+}
+
+static int vidioc_enum_fmt_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *fmtd)
+{
+ if (fmtd->index != 0)
+ return -EINVAL;
+
+ fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ strcpy(fmtd->description, "Packed YUY2");
+ fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
+ memset(fmtd->reserved, 0, sizeof(fmtd->reserved));
+
+ return 0;
+}
+
+/* Sliced VBI ioctls */
+static int vidioc_g_fmt_vbi_capture(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ mutex_lock(&dev->lock);
+
+ f->fmt.sliced.service_set = 0;
+
+ em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+
+ if (f->fmt.sliced.service_set == 0)
+ rc = -EINVAL;
+
+ mutex_unlock(&dev->lock);
+ return rc;
+}
+
+static int vidioc_try_set_vbi_capture(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ mutex_lock(&dev->lock);
+ em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+ mutex_unlock(&dev->lock);
+
+ if (f->fmt.sliced.service_set == 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+
+static int vidioc_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ u32 i;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ rb->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
+
+ if (dev->io == IO_READ) {
+ em28xx_videodbg("method is set to read;"
+ " close and open the device again to"
+ " choose the mmap I/O method\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < dev->num_frames; i++)
+ if (dev->frame[i].vma_use_count) {
+ em28xx_videodbg("VIDIOC_REQBUFS failed; "
+ "previous buffers are still mapped\n");
+ return -EINVAL;
+ }
+
+ mutex_lock(&dev->lock);
+
+ if (dev->stream == STREAM_ON) {
+ em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n");
+ rc = em28xx_stream_interrupt(dev);
+ if (rc < 0) {
+ mutex_unlock(&dev->lock);
+ return rc;
}
- em28xx_audio_source(dev, ainput);
}
+
+ em28xx_empty_framequeues(dev);
+
+ em28xx_release_buffers(dev);
+ if (rb->count)
+ rb->count = em28xx_request_buffers(dev, rb->count);
+
+ dev->frame_current = NULL;
+ dev->io = rb->count ? IO_MMAP : IO_NONE;
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *b)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ b->index >= dev->num_frames || dev->io != IO_MMAP)
+ return -EINVAL;
+
+ mutex_lock(&dev->lock);
+
+ memcpy(b, &dev->frame[b->index].buf, sizeof(*b));
+
+ if (dev->frame[b->index].vma_use_count)
+ b->flags |= V4L2_BUF_FLAG_MAPPED;
+
+ if (dev->frame[b->index].state == F_DONE)
+ b->flags |= V4L2_BUF_FLAG_DONE;
+ else if (dev->frame[b->index].state != F_UNUSED)
+ b->flags |= V4L2_BUF_FLAG_QUEUED;
+
+ mutex_unlock(&dev->lock);
+ return 0;
+}
+
+static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ unsigned long lock_flags;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP ||
+ b->index >= dev->num_frames)
+ return -EINVAL;
+
+ if (dev->frame[b->index].state != F_UNUSED)
+ return -EAGAIN;
+
+ dev->frame[b->index].state = F_QUEUED;
+
+ /* add frame to fifo */
+ spin_lock_irqsave(&dev->queue_lock, lock_flags);
+ list_add_tail(&dev->frame[b->index].frame, &dev->inqueue);
+ spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
+
+ return 0;
+}
+
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+ struct em28xx_frame_t *f;
+ unsigned long lock_flags;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || dev->io != IO_MMAP)
+ return -EINVAL;
+
+ if (list_empty(&dev->outqueue)) {
+ if (dev->stream == STREAM_OFF)
+ return -EINVAL;
+
+ if (file->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+
+ rc = wait_event_interruptible(dev->wait_frame,
+ (!list_empty(&dev->outqueue)) ||
+ (dev->state & DEV_DISCONNECTED));
+ if (rc)
+ return rc;
+
+ if (dev->state & DEV_DISCONNECTED)
+ return -ENODEV;
+ }
+
+ spin_lock_irqsave(&dev->queue_lock, lock_flags);
+ f = list_entry(dev->outqueue.next, struct em28xx_frame_t, frame);
+ list_del(dev->outqueue.next);
+ spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
+
+ f->state = F_UNUSED;
+ memcpy(b, &f->buf, sizeof(*b));
+
+ if (f->vma_use_count)
+ b->flags |= V4L2_BUF_FLAG_MAPPED;
+
+ return 0;
+}
+
+/* ----------------------------------------------------------- */
+/* RADIO ESPECIFIC IOCTLS */
+/* ----------------------------------------------------------- */
+
+static int radio_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct em28xx *dev = ((struct em28xx_fh *)priv)->dev;
+
+ strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
+ strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
+ strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info));
+
+ cap->version = EM28XX_VERSION_CODE;
+ cap->capabilities = V4L2_CAP_TUNER;
+ return 0;
+}
+
+static int radio_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct em28xx *dev = ((struct em28xx_fh *)priv)->dev;
+
+ if (unlikely(t->index > 0))
+ return -EINVAL;
+
+ strcpy(t->name, "Radio");
+ t->type = V4L2_TUNER_RADIO;
+
+ em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
+ return 0;
+}
+
+static int radio_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ if (i->index != 0)
+ return -EINVAL;
+ strcpy(i->name, "Radio");
+ i->type = V4L2_INPUT_TYPE_TUNER;
+
+ return 0;
+}
+
+static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
+{
+ if (unlikely(a->index))
+ return -EINVAL;
+
+ strcpy(a->name, "Radio");
+ return 0;
+}
+
+static int radio_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct em28xx *dev = ((struct em28xx_fh *)priv)->dev;
+
+ if (0 != t->index)
+ return -EINVAL;
+
+ em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
+
+ return 0;
+}
+
+static int radio_s_audio(struct file *file, void *fh,
+ struct v4l2_audio *a)
+{
+ return 0;
+}
+
+static int radio_s_input(struct file *file, void *fh, unsigned int i)
+{
+ return 0;
+}
+
+static int radio_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *qc)
+{
+ int i;
+
+ if (qc->id < V4L2_CID_BASE ||
+ qc->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (qc->id && qc->id == em28xx_qctrl[i].id) {
+ memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc));
+ return 0;
+ }
+ }
+
+ return -EINVAL;
}
/*
@@ -252,8 +1258,9 @@ static void video_mux(struct em28xx *dev, int index)
static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
{
int minor = iminor(inode);
- int errCode = 0;
+ int errCode = 0, radio = 0;
struct em28xx *h,*dev = NULL;
+ struct em28xx_fh *fh;
list_for_each_entry(h, &em28xx_devlist, devlist) {
if (h->vdev->minor == minor) {
@@ -264,6 +1271,11 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
dev = h;
dev->type = V4L2_BUF_TYPE_VBI_CAPTURE;
}
+ if (h->radio_dev &&
+ h->radio_dev->minor == minor) {
+ radio = 1;
+ dev = h;
+ }
}
if (NULL == dev)
return -ENODEV;
@@ -271,23 +1283,18 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
em28xx_videodbg("open minor=%d type=%s users=%d\n",
minor,v4l2_type_names[dev->type],dev->users);
- if (!down_read_trylock(&em28xx_disconnect))
- return -ERESTARTSYS;
+ fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL);
- if (dev->users) {
- em28xx_warn("this driver can be opened only once\n");
- up_read(&em28xx_disconnect);
- return -EBUSY;
+ if (!fh) {
+ em28xx_errdev("em28xx-video.c: Out of memory?!\n");
+ return -ENOMEM;
}
-
- mutex_init(&dev->fileop_lock); /* to 1 == available */
- spin_lock_init(&dev->queue_lock);
- init_waitqueue_head(&dev->wait_frame);
- init_waitqueue_head(&dev->wait_stream);
-
mutex_lock(&dev->lock);
+ fh->dev = dev;
+ fh->radio = radio;
+ filp->private_data = fh;
- if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
em28xx_set_alternate(dev);
dev->width = norm_maxw(dev);
@@ -301,30 +1308,23 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
em28xx_capture_start(dev, 1);
em28xx_resolution_set(dev);
- /* device needs to be initialized before isoc transfer */
- video_mux(dev, 0);
/* start the transfer */
errCode = em28xx_init_isoc(dev);
if (errCode)
goto err;
+ em28xx_empty_framequeues(dev);
+ }
+ if (fh->radio) {
+ em28xx_videodbg("video_open: setting radio device\n");
+ em28xx_i2c_call_clients(dev, AUDC_SET_RADIO, NULL);
}
dev->users++;
- filp->private_data = dev;
- dev->io = IO_NONE;
- dev->stream = STREAM_OFF;
- dev->num_frames = 0;
-
- /* prepare queues */
- em28xx_empty_framequeues(dev);
-
- dev->state |= DEV_INITIALIZED;
err:
mutex_unlock(&dev->lock);
- up_read(&em28xx_disconnect);
return errCode;
}
@@ -335,7 +1335,6 @@ err:
*/
static void em28xx_release_resources(struct em28xx *dev)
{
- mutex_lock(&em28xx_sysfs_lock);
/*FIXME: I2C IR should be disconnected */
@@ -343,12 +1342,29 @@ static void em28xx_release_resources(struct em28xx *dev)
dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN,
dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN);
list_del(&dev->devlist);
- video_unregister_device(dev->vdev);
- video_unregister_device(dev->vbi_dev);
+ if (dev->radio_dev) {
+ if (-1 != dev->radio_dev->minor)
+ video_unregister_device(dev->radio_dev);
+ else
+ video_device_release(dev->radio_dev);
+ dev->radio_dev = NULL;
+ }
+ if (dev->vbi_dev) {
+ if (-1 != dev->vbi_dev->minor)
+ video_unregister_device(dev->vbi_dev);
+ else
+ video_device_release(dev->vbi_dev);
+ dev->vbi_dev = NULL;
+ }
+ if (dev->vdev) {
+ if (-1 != dev->vdev->minor)
+ video_unregister_device(dev->vdev);
+ else
+ video_device_release(dev->vdev);
+ dev->vdev = NULL;
+ }
em28xx_i2c_unregister(dev);
usb_put_dev(dev->udev);
- mutex_unlock(&em28xx_sysfs_lock);
-
/* Mark device as unused */
em28xx_devused&=~(1<<dev->devno);
@@ -360,34 +1376,42 @@ static void em28xx_release_resources(struct em28xx *dev)
*/
static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
{
- int errCode;
- struct em28xx *dev=filp->private_data;
+ struct em28xx_fh *fh = filp->private_data;
+ struct em28xx *dev = fh->dev;
+ int errCode;
em28xx_videodbg("users=%d\n", dev->users);
- mutex_lock(&dev->lock);
- em28xx_uninit_isoc(dev);
+ if (res_check(fh))
+ res_free(fh);
- em28xx_release_buffers(dev);
+ mutex_lock(&dev->lock);
- /* the device is already disconnect, free the remaining resources */
- if (dev->state & DEV_DISCONNECTED) {
- em28xx_release_resources(dev);
- mutex_unlock(&dev->lock);
- kfree(dev);
- return 0;
- }
+ if (dev->users == 1) {
+ em28xx_uninit_isoc(dev);
+ em28xx_release_buffers(dev);
+ dev->io = IO_NONE;
- /* set alternate 0 */
- dev->alt = 0;
- em28xx_videodbg("setting alternate 0\n");
- errCode = usb_set_interface(dev->udev, 0, 0);
- if (errCode < 0) {
- em28xx_errdev ("cannot change alternate number to 0 (error=%i)\n",
- errCode);
- }
+ /* the device is already disconnect,
+ free the remaining resources */
+ if (dev->state & DEV_DISCONNECTED) {
+ em28xx_release_resources(dev);
+ mutex_unlock(&dev->lock);
+ kfree(dev);
+ return 0;
+ }
+ /* set alternate 0 */
+ dev->alt = 0;
+ em28xx_videodbg("setting alternate 0\n");
+ errCode = usb_set_interface(dev->udev, 0, 0);
+ if (errCode < 0) {
+ em28xx_errdev("cannot change alternate number to "
+ "0 (error=%i)\n", errCode);
+ }
+ }
+ kfree(fh);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
mutex_unlock(&dev->lock);
@@ -405,56 +1429,65 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
struct em28xx_frame_t *f, *i;
unsigned long lock_flags;
int ret = 0;
- struct em28xx *dev = filp->private_data;
+ struct em28xx_fh *fh = filp->private_data;
+ struct em28xx *dev = fh->dev;
- if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ /* FIXME: read() is not prepared to allow changing the video
+ resolution while streaming. Seems a bug at em28xx_set_fmt
+ */
+
+ if (unlikely(res_get(fh) < 0))
+ return -EBUSY;
+
+ mutex_lock(&dev->lock);
+
+ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
em28xx_videodbg("V4l2_Buf_type_videocapture is set\n");
- }
+
if (dev->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
em28xx_videodbg("V4L2_BUF_TYPE_VBI_CAPTURE is set\n");
em28xx_videodbg("not supported yet! ...\n");
if (copy_to_user(buf, "", 1)) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EFAULT;
}
+ mutex_unlock(&dev->lock);
return (1);
}
if (dev->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
em28xx_videodbg("V4L2_BUF_TYPE_SLICED_VBI_CAPTURE is set\n");
em28xx_videodbg("not supported yet! ...\n");
if (copy_to_user(buf, "", 1)) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EFAULT;
}
+ mutex_unlock(&dev->lock);
return (1);
}
- if (mutex_lock_interruptible(&dev->fileop_lock))
- return -ERESTARTSYS;
-
if (dev->state & DEV_DISCONNECTED) {
em28xx_videodbg("device not present\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_videodbg("device misconfigured; close and open it again\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EIO;
}
if (dev->io == IO_MMAP) {
em28xx_videodbg ("IO method is set to mmap; close and open"
" the device again to choose the read method\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EINVAL;
}
if (dev->io == IO_NONE) {
if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) {
em28xx_errdev("read failed, not enough memory\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -ENOMEM;
}
dev->io = IO_READ;
@@ -463,13 +1496,13 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
}
if (!count) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return 0;
}
if (list_empty(&dev->outqueue)) {
if (filp->f_flags & O_NONBLOCK) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EAGAIN;
}
ret = wait_event_interruptible
@@ -477,35 +1510,46 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
(!list_empty(&dev->outqueue)) ||
(dev->state & DEV_DISCONNECTED));
if (ret) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return ret;
}
if (dev->state & DEV_DISCONNECTED) {
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -ENODEV;
}
+ dev->video_bytesread = 0;
}
f = list_entry(dev->outqueue.prev, struct em28xx_frame_t, frame);
- spin_lock_irqsave(&dev->queue_lock, lock_flags);
- list_for_each_entry(i, &dev->outqueue, frame)
- i->state = F_UNUSED;
- INIT_LIST_HEAD(&dev->outqueue);
- spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
-
em28xx_queue_unusedframes(dev);
if (count > f->buf.length)
count = f->buf.length;
- if (copy_to_user(buf, f->bufmem, count)) {
- mutex_unlock(&dev->fileop_lock);
+ if ((dev->video_bytesread + count) > dev->frame_size)
+ count = dev->frame_size - dev->video_bytesread;
+
+ if (copy_to_user(buf, f->bufmem+dev->video_bytesread, count)) {
+ em28xx_err("Error while copying to user\n");
return -EFAULT;
}
+ dev->video_bytesread += count;
+
+ if (dev->video_bytesread == dev->frame_size) {
+ spin_lock_irqsave(&dev->queue_lock, lock_flags);
+ list_for_each_entry(i, &dev->outqueue, frame)
+ i->state = F_UNUSED;
+ INIT_LIST_HEAD(&dev->outqueue);
+ spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
+
+ em28xx_queue_unusedframes(dev);
+ dev->video_bytesread = 0;
+ }
+
*f_pos += count;
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return count;
}
@@ -517,11 +1561,14 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
{
unsigned int mask = 0;
- struct em28xx *dev = filp->private_data;
+ struct em28xx_fh *fh = filp->private_data;
+ struct em28xx *dev = fh->dev;
- if (mutex_lock_interruptible(&dev->fileop_lock))
+ if (unlikely(res_get(fh) < 0))
return POLLERR;
+ mutex_lock(&dev->lock);
+
if (dev->state & DEV_DISCONNECTED) {
em28xx_videodbg("device not present\n");
} else if (dev->state & DEV_MISCONFIGURED) {
@@ -545,83 +1592,61 @@ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
if (!list_empty(&dev->outqueue))
mask |= POLLIN | POLLRDNORM;
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return mask;
}
}
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return POLLERR;
}
/*
- * em28xx_vm_open()
- */
-static void em28xx_vm_open(struct vm_area_struct *vma)
-{
- struct em28xx_frame_t *f = vma->vm_private_data;
- f->vma_use_count++;
-}
-
-/*
- * em28xx_vm_close()
- */
-static void em28xx_vm_close(struct vm_area_struct *vma)
-{
- /* NOTE: buffers are not freed here */
- struct em28xx_frame_t *f = vma->vm_private_data;
-
- if (f->vma_use_count)
- f->vma_use_count--;
-}
-
-static struct vm_operations_struct em28xx_vm_ops = {
- .open = em28xx_vm_open,
- .close = em28xx_vm_close,
-};
-
-/*
* em28xx_v4l2_mmap()
*/
static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
- unsigned long size = vma->vm_end - vma->vm_start,
- start = vma->vm_start;
- void *pos;
- u32 i;
-
- struct em28xx *dev = filp->private_data;
+ struct em28xx_fh *fh = filp->private_data;
+ struct em28xx *dev = fh->dev;
+ unsigned long size = vma->vm_end - vma->vm_start;
+ unsigned long start = vma->vm_start;
+ void *pos;
+ u32 i;
+
+ if (unlikely(res_get(fh) < 0))
+ return -EBUSY;
- if (mutex_lock_interruptible(&dev->fileop_lock))
- return -ERESTARTSYS;
+ mutex_lock(&dev->lock);
if (dev->state & DEV_DISCONNECTED) {
em28xx_videodbg("mmap: device not present\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
em28xx_videodbg ("mmap: Device is misconfigured; close and "
"open it again\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EIO;
}
- if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) ||
- size != PAGE_ALIGN(dev->frame[0].buf.length)) {
- mutex_unlock(&dev->fileop_lock);
+ if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE)) {
+ mutex_unlock(&dev->lock);
return -EINVAL;
}
+ if (size > PAGE_ALIGN(dev->frame[0].buf.length))
+ size = PAGE_ALIGN(dev->frame[0].buf.length);
+
for (i = 0; i < dev->num_frames; i++) {
if ((dev->frame[i].buf.m.offset >> PAGE_SHIFT) == vma->vm_pgoff)
break;
}
if (i == dev->num_frames) {
em28xx_videodbg("mmap: user supplied mapping address is out of range\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EINVAL;
}
@@ -633,7 +1658,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
while (size > 0) { /* size is page-aligned */
if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
em28xx_videodbg("mmap: vm_insert_page failed\n");
- mutex_unlock(&dev->fileop_lock);
+ mutex_unlock(&dev->lock);
return -EAGAIN;
}
start += PAGE_SIZE;
@@ -645,900 +1670,210 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_private_data = &dev->frame[i];
em28xx_vm_open(vma);
- mutex_unlock(&dev->fileop_lock);
- return 0;
-}
-
-/*
- * em28xx_get_ctrl()
- * return the current saturation, brightness or contrast, mute state
- */
-static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
-{
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- ctrl->value = dev->mute;
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- ctrl->value = dev->volume;
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-/*
- * em28xx_set_ctrl()
- * mute or set new saturation, brightness or contrast
- */
-static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
-{
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value != dev->mute) {
- dev->mute = ctrl->value;
- em28xx_audio_usb_mute(dev, ctrl->value);
- return em28xx_audio_analog_set(dev);
- }
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- dev->volume = ctrl->value;
- return em28xx_audio_analog_set(dev);
- default:
- return -EINVAL;
- }
-}
-
-/*
- * em28xx_stream_interrupt()
- * stops streaming
- */
-static int em28xx_stream_interrupt(struct em28xx *dev)
-{
- int ret = 0;
-
- /* stop reading from the device */
-
- dev->stream = STREAM_INTERRUPT;
- ret = wait_event_timeout(dev->wait_stream,
- (dev->stream == STREAM_OFF) ||
- (dev->state & DEV_DISCONNECTED),
- EM28XX_URB_TIMEOUT);
- if (dev->state & DEV_DISCONNECTED)
- return -ENODEV;
- else if (ret) {
- dev->state |= DEV_MISCONFIGURED;
- em28xx_videodbg("device is misconfigured; close and "
- "open /dev/video%d again\n",
- dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN);
- return ret;
- }
-
- return 0;
-}
-
-static int em28xx_set_norm(struct em28xx *dev, int width, int height)
-{
- unsigned int hscale, vscale;
- unsigned int maxh, maxw;
-
- maxw = norm_maxw(dev);
- maxh = norm_maxh(dev);
-
- /* width must even because of the YUYV format */
- /* height must be even because of interlacing */
- height &= 0xfffe;
- width &= 0xfffe;
-
- if (height < 32)
- height = 32;
- if (height > maxh)
- height = maxh;
- if (width < 48)
- width = 48;
- if (width > maxw)
- width = maxw;
-
- if ((hscale = (((unsigned long)maxw) << 12) / width - 4096L) >= 0x4000)
- hscale = 0x3fff;
- width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
-
- if ((vscale = (((unsigned long)maxh) << 12) / height - 4096L) >= 0x4000)
- vscale = 0x3fff;
- height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
-
- /* set new image size */
- dev->width = width;
- dev->height = height;
- dev->frame_size = dev->width * dev->height * 2;
- dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */
- dev->bytesperline = dev->width * 2;
- dev->hscale = hscale;
- dev->vscale = vscale;
-
- em28xx_resolution_set(dev);
-
+ mutex_unlock(&dev->lock);
return 0;
}
-static int em28xx_get_fmt(struct em28xx *dev, struct v4l2_format *format)
-{
- em28xx_videodbg("VIDIOC_G_FMT: type=%s\n",
- (format->type ==V4L2_BUF_TYPE_VIDEO_CAPTURE) ?
- "V4L2_BUF_TYPE_VIDEO_CAPTURE" :
- (format->type ==V4L2_BUF_TYPE_VBI_CAPTURE) ?
- "V4L2_BUF_TYPE_VBI_CAPTURE" :
- (format->type ==V4L2_CAP_SLICED_VBI_CAPTURE) ?
- "V4L2_BUF_TYPE_SLICED_VBI_CAPTURE " :
- "not supported");
-
- switch (format->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- {
- format->fmt.pix.width = dev->width;
- format->fmt.pix.height = dev->height;
- format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
- format->fmt.pix.bytesperline = dev->bytesperline;
- format->fmt.pix.sizeimage = dev->frame_size;
- format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
+static const struct file_operations em28xx_v4l_fops = {
+ .owner = THIS_MODULE,
+ .open = em28xx_v4l2_open,
+ .release = em28xx_v4l2_close,
+ .read = em28xx_v4l2_read,
+ .poll = em28xx_v4l2_poll,
+ .mmap = em28xx_v4l2_mmap,
+ .ioctl = video_ioctl2,
+ .llseek = no_llseek,
+ .compat_ioctl = v4l_compat_ioctl32,
+};
- em28xx_videodbg("VIDIOC_G_FMT: %dx%d\n", dev->width,
- dev->height);
- break;
- }
+static const struct file_operations radio_fops = {
+ .owner = THIS_MODULE,
+ .open = em28xx_v4l2_open,
+ .release = em28xx_v4l2_close,
+ .ioctl = video_ioctl2,
+ .compat_ioctl = v4l_compat_ioctl32,
+ .llseek = no_llseek,
+};
- case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- {
- format->fmt.sliced.service_set=0;
+static const struct video_device em28xx_video_template = {
+ .fops = &em28xx_v4l_fops,
+ .release = video_device_release,
+
+ .minor = -1,
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
+ .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
+ .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
+ .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_cropcap = vidioc_cropcap,
+
+ .vidioc_g_fmt_vbi_capture = vidioc_g_fmt_vbi_capture,
+ .vidioc_try_fmt_vbi_capture = vidioc_try_set_vbi_capture,
+ .vidioc_s_fmt_vbi_capture = vidioc_try_set_vbi_capture,
+
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+
+ .tvnorms = V4L2_STD_ALL,
+ .current_norm = V4L2_STD_PAL,
+};
- em28xx_i2c_call_clients(dev,VIDIOC_G_FMT,format);
+static struct video_device em28xx_radio_template = {
+ .name = "em28xx-radio",
+ .type = VID_TYPE_TUNER,
+ .fops = &radio_fops,
+ .minor = -1,
+ .vidioc_querycap = radio_querycap,
+ .vidioc_g_tuner = radio_g_tuner,
+ .vidioc_enum_input = radio_enum_input,
+ .vidioc_g_audio = radio_g_audio,
+ .vidioc_s_tuner = radio_s_tuner,
+ .vidioc_s_audio = radio_s_audio,
+ .vidioc_s_input = radio_s_input,
+ .vidioc_queryctrl = radio_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+};
- if (format->fmt.sliced.service_set==0)
- return -EINVAL;
+/******************************** usb interface *****************************************/
- break;
- }
- default:
- return -EINVAL;
- }
- return (0);
-}
+static LIST_HEAD(em28xx_extension_devlist);
+static DEFINE_MUTEX(em28xx_extension_devlist_lock);
-static int em28xx_set_fmt(struct em28xx *dev, unsigned int cmd, struct v4l2_format *format)
+int em28xx_register_extension(struct em28xx_ops *ops)
{
- u32 i;
- int ret = 0;
- int width = format->fmt.pix.width;
- int height = format->fmt.pix.height;
- unsigned int hscale, vscale;
- unsigned int maxh, maxw;
+ struct em28xx *h, *dev = NULL;
- maxw = norm_maxw(dev);
- maxh = norm_maxh(dev);
-
- em28xx_videodbg("%s: type=%s\n",
- cmd == VIDIOC_TRY_FMT ?
- "VIDIOC_TRY_FMT" : "VIDIOC_S_FMT",
- format->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ?
- "V4L2_BUF_TYPE_VIDEO_CAPTURE" :
- format->type == V4L2_BUF_TYPE_VBI_CAPTURE ?
- "V4L2_BUF_TYPE_VBI_CAPTURE " :
- "not supported");
-
- if (format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
- em28xx_i2c_call_clients(dev,VIDIOC_G_FMT,format);
-
- if (format->fmt.sliced.service_set==0)
- return -EINVAL;
+ list_for_each_entry(h, &em28xx_devlist, devlist)
+ dev = h;
- return 0;
- }
+ mutex_lock(&em28xx_extension_devlist_lock);
+ list_add_tail(&ops->next, &em28xx_extension_devlist);
+ if (dev)
+ ops->init(dev);
-
- if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- em28xx_videodbg("%s: requested %dx%d\n",
- cmd == VIDIOC_TRY_FMT ?
- "VIDIOC_TRY_FMT" : "VIDIOC_S_FMT",
- format->fmt.pix.width, format->fmt.pix.height);
-
- /* FIXME: Move some code away from here */
- /* width must even because of the YUYV format */
- /* height must be even because of interlacing */
- height &= 0xfffe;
- width &= 0xfffe;
-
- if (height < 32)
- height = 32;
- if (height > maxh)
- height = maxh;
- if (width < 48)
- width = 48;
- if (width > maxw)
- width = maxw;
-
- if(dev->is_em2800){
- /* the em2800 can only scale down to 50% */
- if(height % (maxh / 2))
- height=maxh;
- if(width % (maxw / 2))
- width=maxw;
- /* according to empiatech support */
- /* the MaxPacketSize is to small to support */
- /* framesizes larger than 640x480 @ 30 fps */
- /* or 640x576 @ 25 fps. As this would cut */
- /* of a part of the image we prefer */
- /* 360x576 or 360x480 for now */
- if(width == maxw && height == maxh)
- width /= 2;
- }
-
- if ((hscale = (((unsigned long)maxw) << 12) / width - 4096L) >= 0x4000)
- hscale = 0x3fff;
-
- width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
-
- if ((vscale = (((unsigned long)maxh) << 12) / height - 4096L) >= 0x4000)
- vscale = 0x3fff;
-
- height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
-
- format->fmt.pix.width = width;
- format->fmt.pix.height = height;
- format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
- format->fmt.pix.bytesperline = width * 2;
- format->fmt.pix.sizeimage = width * 2 * height;
- format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- format->fmt.pix.field = V4L2_FIELD_INTERLACED;
-
- em28xx_videodbg("%s: returned %dx%d (%d, %d)\n",
- cmd == VIDIOC_TRY_FMT ?
- "VIDIOC_TRY_FMT" :"VIDIOC_S_FMT",
- format->fmt.pix.width, format->fmt.pix.height, hscale, vscale);
-
- if (cmd == VIDIOC_TRY_FMT)
- return 0;
-
- for (i = 0; i < dev->num_frames; i++)
- if (dev->frame[i].vma_use_count) {
- em28xx_videodbg("VIDIOC_S_FMT failed. "
- "Unmap the buffers first.\n");
- return -EINVAL;
- }
-
- /* stop io in case it is already in progress */
- if (dev->stream == STREAM_ON) {
- em28xx_videodbg("VIDIOC_SET_FMT: interrupting stream\n");
- if ((ret = em28xx_stream_interrupt(dev)))
- return ret;
- }
-
- em28xx_release_buffers(dev);
- dev->io = IO_NONE;
-
- /* set new image size */
- dev->width = width;
- dev->height = height;
- dev->frame_size = dev->width * dev->height * 2;
- dev->field_size = dev->frame_size >> 1;
- dev->bytesperline = dev->width * 2;
- dev->hscale = hscale;
- dev->vscale = vscale;
- em28xx_uninit_isoc(dev);
- em28xx_set_alternate(dev);
- em28xx_capture_start(dev, 1);
- em28xx_resolution_set(dev);
- em28xx_init_isoc(dev);
+ printk(KERN_INFO "Em28xx: Initialized (%s) extension\n", ops->name);
+ mutex_unlock(&em28xx_extension_devlist_lock);
return 0;
}
+EXPORT_SYMBOL(em28xx_register_extension);
-/*
- * em28xx_v4l2_do_ioctl()
- * This function is _not_ called directly, but from
- * em28xx_v4l2_ioctl. Userspace
- * copying is done already, arg is a kernel pointer.
- */
-static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
- struct em28xx *dev, unsigned int cmd, void *arg,
- v4l2_kioctl driver_ioctl)
+void em28xx_unregister_extension(struct em28xx_ops *ops)
{
- int ret;
+ struct em28xx *h, *dev = NULL;
- switch (cmd) {
- /* ---------- tv norms ---------- */
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *e = arg;
- unsigned int i;
+ list_for_each_entry(h, &em28xx_devlist, devlist)
+ dev = h;
- i = e->index;
- if (i >= TVNORMS)
- return -EINVAL;
- ret = v4l2_video_std_construct(e, tvnorms[e->index].id,
- tvnorms[e->index].name);
- e->index = i;
- if (ret < 0)
- return ret;
- return 0;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
+ if (dev)
+ ops->fini(dev);
- *id = dev->tvnorm->id;
- return 0;
- }
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
- unsigned int i;
-
- for (i = 0; i < TVNORMS; i++)
- if (*id == tvnorms[i].id)
- break;
- if (i == TVNORMS)
- for (i = 0; i < TVNORMS; i++)
- if (*id & tvnorms[i].id)
- break;
- if (i == TVNORMS)
- return -EINVAL;
-
- mutex_lock(&dev->lock);
- dev->tvnorm = &tvnorms[i];
-
- em28xx_set_norm(dev, dev->width, dev->height);
-
- em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
- &dev->tvnorm->id);
-
- mutex_unlock(&dev->lock);
-
- return 0;
- }
-
- /* ------ input switching ---------- */
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- unsigned int n;
- static const char *iname[] = {
- [EM28XX_VMUX_COMPOSITE1] = "Composite1",
- [EM28XX_VMUX_COMPOSITE2] = "Composite2",
- [EM28XX_VMUX_COMPOSITE3] = "Composite3",
- [EM28XX_VMUX_COMPOSITE4] = "Composite4",
- [EM28XX_VMUX_SVIDEO] = "S-Video",
- [EM28XX_VMUX_TELEVISION] = "Television",
- [EM28XX_VMUX_CABLE] = "Cable TV",
- [EM28XX_VMUX_DVB] = "DVB",
- [EM28XX_VMUX_DEBUG] = "for debug only",
- };
-
- n = i->index;
- if (n >= MAX_EM28XX_INPUT)
- return -EINVAL;
- if (0 == INPUT(n)->type)
- return -EINVAL;
- memset(i, 0, sizeof(*i));
- i->index = n;
- i->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(i->name, iname[INPUT(n)->type]);
- if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
- (EM28XX_VMUX_CABLE == INPUT(n)->type))
- i->type = V4L2_INPUT_TYPE_TUNER;
- for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
- i->std |= tvnorms[n].id;
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *i = arg;
- *i = dev->ctl_input;
-
- return 0;
- }
- case VIDIOC_S_INPUT:
- {
- int *index = arg;
-
- if (*index >= MAX_EM28XX_INPUT)
- return -EINVAL;
- if (0 == INPUT(*index)->type)
- return -EINVAL;
-
- mutex_lock(&dev->lock);
- video_mux(dev, *index);
- mutex_unlock(&dev->lock);
-
- return 0;
- }
- case VIDIOC_G_AUDIO:
- {
- struct v4l2_audio *a = arg;
- unsigned int index = a->index;
-
- if (a->index > 1)
- return -EINVAL;
- memset(a, 0, sizeof(*a));
- index = dev->ctl_ainput;
-
- if (index == 0) {
- strcpy(a->name, "Television");
- } else {
- strcpy(a->name, "Line In");
- }
- a->capability = V4L2_AUDCAP_STEREO;
- a->index = index;
- return 0;
- }
- case VIDIOC_S_AUDIO:
- {
- struct v4l2_audio *a = arg;
-
- if (a->index != dev->ctl_ainput)
- return -EINVAL;
-
- return 0;
- }
-
- /* --- controls ---------------------------------------------- */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
- int i, id=qc->id;
-
- memset(qc,0,sizeof(*qc));
- qc->id=id;
-
- if (!dev->has_msp34xx) {
- for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
- if (qc->id && qc->id == em28xx_qctrl[i].id) {
- memcpy(qc, &(em28xx_qctrl[i]),
- sizeof(*qc));
- return 0;
- }
- }
- }
- em28xx_i2c_call_clients(dev,cmd,qc);
- if (qc->type)
- return 0;
- else
- return -EINVAL;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- int retval=-EINVAL;
-
- if (!dev->has_msp34xx)
- retval=em28xx_get_ctrl(dev, ctrl);
- if (retval==-EINVAL) {
- em28xx_i2c_call_clients(dev,cmd,arg);
- return 0;
- } else return retval;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- u8 i;
-
- if (!dev->has_msp34xx){
- for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
- if (ctrl->id == em28xx_qctrl[i].id) {
- if (ctrl->value <
- em28xx_qctrl[i].minimum
- || ctrl->value >
- em28xx_qctrl[i].maximum)
- return -ERANGE;
- return em28xx_set_ctrl(dev, ctrl);
- }
- }
- }
-
- em28xx_i2c_call_clients(dev,cmd,arg);
- return 0;
- }
- /* --- tuner ioctls ------------------------------------------ */
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *t = arg;
-
- if (0 != t->index)
- return -EINVAL;
-
- memset(t, 0, sizeof(*t));
- strcpy(t->name, "Tuner");
- mutex_lock(&dev->lock);
- /* let clients fill in the remainder of this struct */
- em28xx_i2c_call_clients(dev, cmd, t);
- mutex_unlock(&dev->lock);
- em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal,
- t->afc);
- return 0;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *t = arg;
-
- if (0 != t->index)
- return -EINVAL;
- mutex_lock(&dev->lock);
- /* let clients handle this */
- em28xx_i2c_call_clients(dev, cmd, t);
- mutex_unlock(&dev->lock);
- return 0;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- memset(f, 0, sizeof(*f));
- f->type = V4L2_TUNER_ANALOG_TV;
- f->frequency = dev->ctl_freq;
-
- return 0;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- if (0 != f->tuner)
- return -EINVAL;
-
- if (V4L2_TUNER_ANALOG_TV != f->type)
- return -EINVAL;
-
- mutex_lock(&dev->lock);
- dev->ctl_freq = f->frequency;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
- mutex_unlock(&dev->lock);
- return 0;
- }
- case VIDIOC_CROPCAP:
- {
- struct v4l2_cropcap *cc = arg;
-
- if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- cc->bounds.left = 0;
- cc->bounds.top = 0;
- cc->bounds.width = dev->width;
- cc->bounds.height = dev->height;
- cc->defrect = cc->bounds;
- cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
- cc->pixelaspect.denominator = 59;
- return 0;
- }
- case VIDIOC_STREAMON:
- {
- int *type = arg;
-
- if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
-
- if (list_empty(&dev->inqueue))
- return -EINVAL;
-
- dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
-
- em28xx_videodbg("VIDIOC_STREAMON: starting stream\n");
-
- return 0;
- }
- case VIDIOC_STREAMOFF:
- {
- int *type = arg;
- int ret;
-
- if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
-
- if (dev->stream == STREAM_ON) {
- em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n");
- if ((ret = em28xx_stream_interrupt(dev)))
- return ret;
- }
- em28xx_empty_framequeues(dev);
-
- return 0;
- }
- default:
- return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
- driver_ioctl);
- }
- return 0;
-}
-
-/*
- * em28xx_v4l2_do_ioctl()
- * This function is _not_ called directly, but from
- * em28xx_v4l2_ioctl. Userspace
- * copying is done already, arg is a kernel pointer.
- */
-static int em28xx_video_do_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, void *arg)
-{
- struct em28xx *dev = filp->private_data;
-
- if (!dev)
- return -ENODEV;
-
- if (video_debug > 1)
- v4l_print_ioctl(dev->name,cmd);
-
- switch (cmd) {
-
- /* --- capabilities ------------------------------------------ */
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = arg;
-
- memset(cap, 0, sizeof(*cap));
- strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
- strlcpy(cap->card, em28xx_boards[dev->model].name,
- sizeof(cap->card));
- strlcpy(cap->bus_info, dev->udev->dev.bus_id,
- sizeof(cap->bus_info));
- cap->version = EM28XX_VERSION_CODE;
- cap->capabilities =
- V4L2_CAP_SLICED_VBI_CAPTURE |
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_AUDIO |
- V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
- if (dev->has_tuner)
- cap->capabilities |= V4L2_CAP_TUNER;
- return 0;
- }
- /* --- capture ioctls ---------------------------------------- */
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *fmtd = arg;
-
- if (fmtd->index != 0)
- return -EINVAL;
- memset(fmtd, 0, sizeof(*fmtd));
- fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- strcpy(fmtd->description, "Packed YUY2");
- fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
- memset(fmtd->reserved, 0, sizeof(fmtd->reserved));
- return 0;
- }
- case VIDIOC_G_FMT:
- return em28xx_get_fmt(dev, (struct v4l2_format *) arg);
-
- case VIDIOC_TRY_FMT:
- case VIDIOC_S_FMT:
- return em28xx_set_fmt(dev, cmd, (struct v4l2_format *)arg);
-
- case VIDIOC_REQBUFS:
- {
- struct v4l2_requestbuffers *rb = arg;
- u32 i;
- int ret;
-
- if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- rb->memory != V4L2_MEMORY_MMAP)
- return -EINVAL;
-
- if (dev->io == IO_READ) {
- em28xx_videodbg ("method is set to read;"
- " close and open the device again to"
- " choose the mmap I/O method\n");
- return -EINVAL;
- }
-
- for (i = 0; i < dev->num_frames; i++)
- if (dev->frame[i].vma_use_count) {
- em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n");
- return -EINVAL;
- }
-
- if (dev->stream == STREAM_ON) {
- em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n");
- if ((ret = em28xx_stream_interrupt(dev)))
- return ret;
- }
-
- em28xx_empty_framequeues(dev);
-
- em28xx_release_buffers(dev);
- if (rb->count)
- rb->count =
- em28xx_request_buffers(dev, rb->count);
-
- dev->frame_current = NULL;
-
- em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n",
- rb->count);
- dev->io = rb->count ? IO_MMAP : IO_NONE;
- return 0;
- }
- case VIDIOC_QUERYBUF:
- {
- struct v4l2_buffer *b = arg;
-
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- b->index >= dev->num_frames || dev->io != IO_MMAP)
- return -EINVAL;
-
- memcpy(b, &dev->frame[b->index].buf, sizeof(*b));
-
- if (dev->frame[b->index].vma_use_count) {
- b->flags |= V4L2_BUF_FLAG_MAPPED;
- }
- if (dev->frame[b->index].state == F_DONE)
- b->flags |= V4L2_BUF_FLAG_DONE;
- else if (dev->frame[b->index].state != F_UNUSED)
- b->flags |= V4L2_BUF_FLAG_QUEUED;
- return 0;
- }
- case VIDIOC_QBUF:
- {
- struct v4l2_buffer *b = arg;
- unsigned long lock_flags;
-
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- b->index >= dev->num_frames || dev->io != IO_MMAP) {
- return -EINVAL;
- }
-
- if (dev->frame[b->index].state != F_UNUSED) {
- return -EAGAIN;
- }
- dev->frame[b->index].state = F_QUEUED;
-
- /* add frame to fifo */
- spin_lock_irqsave(&dev->queue_lock, lock_flags);
- list_add_tail(&dev->frame[b->index].frame,
- &dev->inqueue);
- spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
-
- return 0;
- }
- case VIDIOC_DQBUF:
- {
- struct v4l2_buffer *b = arg;
- struct em28xx_frame_t *f;
- unsigned long lock_flags;
- int ret = 0;
-
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
-
- if (list_empty(&dev->outqueue)) {
- if (dev->stream == STREAM_OFF)
- return -EINVAL;
- if (filp->f_flags & O_NONBLOCK)
- return -EAGAIN;
- ret = wait_event_interruptible
- (dev->wait_frame,
- (!list_empty(&dev->outqueue)) ||
- (dev->state & DEV_DISCONNECTED));
- if (ret)
- return ret;
- if (dev->state & DEV_DISCONNECTED)
- return -ENODEV;
- }
-
- spin_lock_irqsave(&dev->queue_lock, lock_flags);
- f = list_entry(dev->outqueue.next,
- struct em28xx_frame_t, frame);
- list_del(dev->outqueue.next);
- spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
-
- f->state = F_UNUSED;
- memcpy(b, &f->buf, sizeof(*b));
-
- if (f->vma_use_count)
- b->flags |= V4L2_BUF_FLAG_MAPPED;
-
- return 0;
- }
- default:
- return em28xx_do_ioctl(inode, filp, dev, cmd, arg,
- em28xx_video_do_ioctl);
- }
- return 0;
+ mutex_lock(&em28xx_extension_devlist_lock);
+ printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
+ list_del(&ops->next);
+ mutex_unlock(&em28xx_extension_devlist_lock);
}
+EXPORT_SYMBOL(em28xx_unregister_extension);
-/*
- * em28xx_v4l2_ioctl()
- * handle v4l2 ioctl the main action happens in em28xx_v4l2_do_ioctl()
- */
-static int em28xx_v4l2_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+struct video_device *em28xx_vdev_init(struct em28xx *dev,
+ const struct video_device *template,
+ const int type,
+ const char *type_name)
{
- int ret = 0;
- struct em28xx *dev = filp->private_data;
-
- if (mutex_lock_interruptible(&dev->fileop_lock))
- return -ERESTARTSYS;
-
- if (dev->state & DEV_DISCONNECTED) {
- em28xx_errdev("v4l2 ioctl: device not present\n");
- mutex_unlock(&dev->fileop_lock);
- return -ENODEV;
- }
-
- if (dev->state & DEV_MISCONFIGURED) {
- em28xx_errdev
- ("v4l2 ioctl: device is misconfigured; close and open it again\n");
- mutex_unlock(&dev->fileop_lock);
- return -EIO;
- }
+ struct video_device *vfd;
- ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl);
+ vfd = video_device_alloc();
+ if (NULL == vfd)
+ return NULL;
+ *vfd = *template;
+ vfd->minor = -1;
+ vfd->dev = &dev->udev->dev;
+ vfd->release = video_device_release;
+ vfd->type = type;
- mutex_unlock(&dev->fileop_lock);
+ snprintf(vfd->name, sizeof(vfd->name), "%s %s",
+ dev->name, type_name);
- return ret;
+ return vfd;
}
-static const struct file_operations em28xx_v4l_fops = {
- .owner = THIS_MODULE,
- .open = em28xx_v4l2_open,
- .release = em28xx_v4l2_close,
- .ioctl = em28xx_v4l2_ioctl,
- .read = em28xx_v4l2_read,
- .poll = em28xx_v4l2_poll,
- .mmap = em28xx_v4l2_mmap,
- .llseek = no_llseek,
- .compat_ioctl = v4l_compat_ioctl32,
-
-};
-
-/******************************** usb interface *****************************************/
/*
* em28xx_init_dev()
* allocates and inits the device structs, registers i2c bus and v4l device
*/
static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
- int minor, int model)
+ int minor)
{
+ struct em28xx_ops *ops = NULL;
struct em28xx *dev = *devhandle;
int retval = -ENOMEM;
- int errCode, i;
+ int errCode;
unsigned int maxh, maxw;
dev->udev = udev;
- dev->model = model;
mutex_init(&dev->lock);
+ spin_lock_init(&dev->queue_lock);
init_waitqueue_head(&dev->open);
+ init_waitqueue_head(&dev->wait_frame);
+ init_waitqueue_head(&dev->wait_stream);
dev->em28xx_write_regs = em28xx_write_regs;
dev->em28xx_read_reg = em28xx_read_reg;
dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len;
dev->em28xx_write_regs_req = em28xx_write_regs_req;
dev->em28xx_read_reg_req = em28xx_read_reg_req;
- dev->is_em2800 = em28xx_boards[model].is_em2800;
- dev->has_tuner = em28xx_boards[model].has_tuner;
- dev->has_msp34xx = em28xx_boards[model].has_msp34xx;
- dev->tda9887_conf = em28xx_boards[model].tda9887_conf;
- dev->decoder = em28xx_boards[model].decoder;
-
- if (tuner >= 0)
- dev->tuner_type = tuner;
- else
- dev->tuner_type = em28xx_boards[model].tuner_type;
+ dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
- dev->video_inputs = em28xx_boards[model].vchannels;
+ errCode = em28xx_read_reg(dev, CHIPID_REG);
+ if (errCode >= 0)
+ em28xx_info("em28xx chip ID = %d\n", errCode);
- for (i = 0; i < TVNORMS; i++)
- if (em28xx_boards[model].norm == tvnorms[i].mode)
- break;
- if (i == TVNORMS)
- i = 0;
+ em28xx_pre_card_setup(dev);
+
+ errCode = em28xx_config(dev);
+ if (errCode) {
+ em28xx_errdev("error configuring device\n");
+ em28xx_devused &= ~(1<<dev->devno);
+ kfree(dev);
+ return -ENOMEM;
+ }
+
+ /* register i2c bus */
+ em28xx_i2c_register(dev);
- dev->tvnorm = &tvnorms[i]; /* set default norm */
+ /* Do board specific init and eeprom reading */
+ em28xx_card_setup(dev);
- em28xx_videodbg("tvnorm=%s\n", dev->tvnorm->name);
+ /* Configure audio */
+ em28xx_audio_analog_set(dev);
+
+ /* configure the device */
+ em28xx_config_i2c(dev);
+
+ /* set default norm */
+ dev->norm = em28xx_video_template.current_norm;
maxw = norm_maxw(dev);
maxh = norm_maxh(dev);
@@ -1555,138 +1890,110 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
dev->vscale = 0;
dev->ctl_input = 2;
- /* setup video picture settings for saa7113h */
- memset(&dev->vpic, 0, sizeof(dev->vpic));
- dev->vpic.colour = 128 << 8;
- dev->vpic.hue = 128 << 8;
- dev->vpic.brightness = 128 << 8;
- dev->vpic.contrast = 192 << 8;
- dev->vpic.whiteness = 128 << 8; /* This one isn't used */
- dev->vpic.depth = 16;
- dev->vpic.palette = VIDEO_PALETTE_YUV422;
-
- em28xx_pre_card_setup(dev);
-#ifdef CONFIG_MODULES
- /* request some modules */
- if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
- request_module("saa7115");
- if (dev->decoder == EM28XX_TVP5150)
- request_module("tvp5150");
- if (dev->has_tuner)
- request_module("tuner");
-#endif
errCode = em28xx_config(dev);
- if (errCode) {
- em28xx_errdev("error configuring device\n");
- em28xx_devused&=~(1<<dev->devno);
- kfree(dev);
- return -ENOMEM;
- }
-
- mutex_lock(&dev->lock);
- /* register i2c bus */
- em28xx_i2c_register(dev);
- /* Do board specific init and eeprom reading */
- em28xx_card_setup(dev);
+ list_add_tail(&dev->devlist, &em28xx_devlist);
- /* configure the device */
- em28xx_config_i2c(dev);
-
- mutex_unlock(&dev->lock);
-
- errCode = em28xx_config(dev);
-
-#ifdef CONFIG_MODULES
- if (dev->has_msp34xx)
- request_module("msp3400");
-#endif
- /* allocate and fill v4l2 device struct */
- dev->vdev = video_device_alloc();
+ /* allocate and fill video video_device struct */
+ dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template,
+ VID_TYPE_CAPTURE, "video");
if (NULL == dev->vdev) {
em28xx_errdev("cannot allocate video_device.\n");
- em28xx_devused&=~(1<<dev->devno);
- kfree(dev);
- return -ENOMEM;
- }
-
- dev->vbi_dev = video_device_alloc();
- if (NULL == dev->vbi_dev) {
- em28xx_errdev("cannot allocate video_device.\n");
- kfree(dev->vdev);
- em28xx_devused&=~(1<<dev->devno);
- kfree(dev);
- return -ENOMEM;
+ goto fail_unreg;
}
-
- /* Fills VBI device info */
- dev->vbi_dev->type = VFL_TYPE_VBI;
- dev->vbi_dev->fops = &em28xx_v4l_fops;
- dev->vbi_dev->minor = -1;
- dev->vbi_dev->dev = &dev->udev->dev;
- dev->vbi_dev->release = video_device_release;
- snprintf(dev->vbi_dev->name, sizeof(dev->vbi_dev->name), "%s#%d %s",
- "em28xx",dev->devno,"vbi");
-
- /* Fills CAPTURE device info */
- dev->vdev->type = VID_TYPE_CAPTURE;
- if (dev->has_tuner)
+ if (dev->tuner_type != TUNER_ABSENT)
dev->vdev->type |= VID_TYPE_TUNER;
- dev->vdev->fops = &em28xx_v4l_fops;
- dev->vdev->minor = -1;
- dev->vdev->dev = &dev->udev->dev;
- dev->vdev->release = video_device_release;
- snprintf(dev->vdev->name, sizeof(dev->vbi_dev->name), "%s#%d %s",
- "em28xx",dev->devno,"video");
-
- list_add_tail(&dev->devlist,&em28xx_devlist);
- /* register v4l2 device */
- mutex_lock(&dev->lock);
- if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
- video_nr[dev->devno]))) {
+ /* 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);
- mutex_unlock(&dev->lock);
- list_del(&dev->devlist);
- video_device_release(dev->vdev);
- em28xx_devused&=~(1<<dev->devno);
- kfree(dev);
- return -ENODEV;
+ goto fail_unreg;
}
+ /* Allocate and fill vbi video_device struct */
+ dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template,
+ VFL_TYPE_VBI, "vbi");
+ /* register v4l2 vbi video_device */
if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
vbi_nr[dev->devno]) < 0) {
- printk("unable to register vbi device\n");
- mutex_unlock(&dev->lock);
- list_del(&dev->devlist);
- video_device_release(dev->vbi_dev);
- video_device_release(dev->vdev);
- em28xx_devused&=~(1<<dev->devno);
- kfree(dev);
- return -ENODEV;
- } else {
- printk("registered VBI\n");
+ 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,
+ VFL_TYPE_RADIO, "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->minor & 0x1f);
+ }
+
+
if (dev->has_msp34xx) {
/* Send a reset to other chips via gpio */
em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
msleep(3);
em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
msleep(3);
-
}
- video_mux(dev, 0);
- mutex_unlock(&dev->lock);
+ video_mux(dev, 0);
em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN,
dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN);
+ mutex_lock(&em28xx_extension_devlist_lock);
+ if (!list_empty(&em28xx_extension_devlist)) {
+ list_for_each_entry(ops, &em28xx_extension_devlist, next) {
+ if (ops->id)
+ ops->init(dev);
+ }
+ }
+ mutex_unlock(&em28xx_extension_devlist_lock);
+
return 0;
+
+fail_unreg:
+ em28xx_release_resources(dev);
+ mutex_unlock(&dev->lock);
+ kfree(dev);
+ return retval;
+}
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+ struct em28xx *dev = container_of(work,
+ struct em28xx, request_module_wk);
+
+ if (dev->has_audio_class)
+ request_module("snd-usb-audio");
+ else
+ request_module("em28xx-alsa");
+}
+
+static void request_modules(struct em28xx *dev)
+{
+ INIT_WORK(&dev->request_module_wk, request_module_async);
+ schedule_work(&dev->request_module_wk);
}
+#else
+#define request_modules(dev)
+#endif /* CONFIG_MODULES */
/*
* em28xx_usb_probe()
@@ -1700,7 +2007,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
struct usb_interface *uif;
struct em28xx *dev = NULL;
int retval = -ENODEV;
- int model,i,nr,ifnum;
+ int i, nr, ifnum;
udev = usb_get_dev(interface_to_usbdev(interface));
ifnum = interface->altsetting[0].desc.bInterfaceNumber;
@@ -1740,8 +2047,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
return -ENODEV;
}
- model=id->driver_info;
-
if (nr >= EM28XX_MAXBOARDS) {
printk (DRIVER_NAME ": Supports only %i em28xx boards.\n",EM28XX_MAXBOARDS);
em28xx_devused&=~(1<<nr);
@@ -1757,7 +2062,20 @@ static int em28xx_usb_probe(struct usb_interface *interface,
}
snprintf(dev->name, 29, "em28xx #%d", nr);
- dev->devno=nr;
+ dev->devno = nr;
+ dev->model = id->driver_info;
+
+ /* Checks if audio is provided by some interface */
+ for (i = 0; i < udev->config->desc.bNumInterfaces; i++) {
+ uif = udev->config->interface[i];
+ if (uif->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
+ dev->has_audio_class = 1;
+ break;
+ }
+ }
+
+ printk(KERN_INFO DRIVER_NAME " %s usb audio class\n",
+ dev->has_audio_class ? "Has" : "Doesn't have");
/* compute alternate max packet sizes */
uif = udev->actconfig->interface[0];
@@ -1784,33 +2102,20 @@ static int em28xx_usb_probe(struct usb_interface *interface,
}
if ((card[nr]>=0)&&(card[nr]<em28xx_bcount))
- model=card[nr];
-
- if ((model==EM2800_BOARD_UNKNOWN)||(model==EM2820_BOARD_UNKNOWN)) {
- em28xx_errdev( "Your board has no eeprom inside it and thus can't\n"
- "%s: be autodetected. Please pass card=<n> insmod option to\n"
- "%s: workaround that. Redirect complaints to the vendor of\n"
- "%s: the TV card. Generic type will be used."
- "%s: Best regards,\n"
- "%s: -- tux\n",
- dev->name,dev->name,dev->name,dev->name,dev->name);
- em28xx_errdev("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
- dev->name);
- for (i = 0; i < em28xx_bcount; i++) {
- em28xx_errdev(" card=%d -> %s\n", i,
- em28xx_boards[i].name);
- }
- }
+ dev->model = card[nr];
/* allocate device struct */
- retval = em28xx_init_dev(&dev, udev, nr, model);
+ retval = em28xx_init_dev(&dev, udev, nr);
if (retval)
return retval;
- em28xx_info("Found %s\n", em28xx_boards[model].name);
+ em28xx_info("Found %s\n", em28xx_boards[dev->model].name);
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
+
+ request_modules(dev);
+
return 0;
}
@@ -1821,18 +2126,20 @@ static int em28xx_usb_probe(struct usb_interface *interface,
*/
static void em28xx_usb_disconnect(struct usb_interface *interface)
{
- struct em28xx *dev = usb_get_intfdata(interface);
+ struct em28xx *dev;
+ struct em28xx_ops *ops = NULL;
+
+ dev = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
if (!dev)
return;
- down_write(&em28xx_disconnect);
+ em28xx_info("disconnecting %s\n", dev->vdev->name);
+ /* wait until all current v4l2 io is finished then deallocate resources */
mutex_lock(&dev->lock);
- em28xx_info("disconnecting %s\n", dev->vdev->name);
-
wake_up_interruptible_all(&dev->open);
if (dev->users) {
@@ -1850,15 +2157,20 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
dev->state |= DEV_DISCONNECTED;
em28xx_release_resources(dev);
}
-
mutex_unlock(&dev->lock);
+ mutex_lock(&em28xx_extension_devlist_lock);
+ if (!list_empty(&em28xx_extension_devlist)) {
+ list_for_each_entry(ops, &em28xx_extension_devlist, next) {
+ ops->fini(dev);
+ }
+ }
+ mutex_unlock(&em28xx_extension_devlist_lock);
+
if (!dev->users) {
kfree(dev->alt_max_pkt_size);
kfree(dev);
}
-
- up_write(&em28xx_disconnect);
}
static struct usb_driver em28xx_usb_driver = {
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index d8fcc9e17ac0..f3bad0c1c517 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -25,28 +25,11 @@
#ifndef _EM28XX_H
#define _EM28XX_H
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <media/ir-kbd-i2c.h>
-/* Boards supported by driver */
-
-#define EM2800_BOARD_UNKNOWN 0
-#define EM2820_BOARD_UNKNOWN 1
-#define EM2820_BOARD_TERRATEC_CINERGY_250 2
-#define EM2820_BOARD_PINNACLE_USB_2 3
-#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
-#define EM2820_BOARD_MSI_VOX_USB_2 5
-#define EM2800_BOARD_TERRATEC_CINERGY_200 6
-#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
-#define EM2800_BOARD_KWORLD_USB2800 8
-#define EM2820_BOARD_PINNACLE_DVC_90 9
-#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10
-#define EM2880_BOARD_TERRATEC_HYBRID_XS 11
-#define EM2820_BOARD_KWORLD_PVRTV2800RF 12
-#define EM2880_BOARD_TERRATEC_PRODIGY_XS 13
-
#define UNSET -1
/* maximum number of em28xx boards */
@@ -148,10 +131,17 @@ enum enum28xx_itype {
EM28XX_RADIO,
};
+enum em28xx_amux {
+ EM28XX_AMUX_VIDEO,
+ EM28XX_AMUX_LINE_IN,
+ EM28XX_AMUX_AC97_VIDEO,
+ EM28XX_AMUX_AC97_LINE_IN,
+};
+
struct em28xx_input {
enum enum28xx_itype type;
unsigned int vmux;
- unsigned int amux;
+ enum em28xx_amux amux;
};
#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
@@ -165,19 +155,23 @@ enum em28xx_decoder {
struct em28xx_board {
char *name;
int vchannels;
- int norm;
int tuner_type;
/* i2c flags */
- unsigned int is_em2800;
unsigned int tda9887_conf;
- unsigned int has_tuner:1;
+ unsigned int is_em2800:1;
unsigned int has_msp34xx:1;
+ unsigned int mts_firmware:1;
+ unsigned int has_12mhz_i2s:1;
+ unsigned int max_range_640_480:1;
+
+ unsigned int analog_gpio;
enum em28xx_decoder decoder;
struct em28xx_input input[MAX_EM28XX_INPUT];
+ struct em28xx_input radio;
};
struct em28xx_eeprom {
@@ -201,12 +195,26 @@ enum em28xx_dev_state {
DEV_MISCONFIGURED = 0x04,
};
-/* tvnorms */
-struct em28xx_tvnorm {
- char *name;
- v4l2_std_id id;
- /* mode for saa7113h */
- int mode;
+#define EM28XX_AUDIO_BUFS 5
+#define EM28XX_NUM_AUDIO_PACKETS 64
+#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
+#define EM28XX_CAPTURE_STREAM_EN 1
+#define EM28XX_AUDIO 0x10
+
+struct em28xx_audio {
+ char name[50];
+ char *transfer_buffer[EM28XX_AUDIO_BUFS];
+ struct urb *urb[EM28XX_AUDIO_BUFS];
+ struct usb_device *udev;
+ unsigned int capture_transfer_done;
+ struct snd_pcm_substream *capture_pcm_substream;
+
+ unsigned int hwptr_done_capture;
+ struct snd_card *sndcard;
+
+ int users, shutdown;
+ enum em28xx_stream_state capture_stream;
+ spinlock_t slock;
};
/* main device struct */
@@ -215,12 +223,17 @@ struct em28xx {
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
- unsigned int is_em2800;
- int video_inputs; /* number of video inputs */
- struct list_head devlist;
- unsigned int has_tuner:1;
+ unsigned int analog_gpio;
+ unsigned int is_em2800:1;
unsigned int has_msp34xx:1;
unsigned int has_tda9887:1;
+ unsigned int stream_on:1; /* Locks streams */
+ unsigned int has_audio_class:1;
+ unsigned int has_12mhz_i2s:1;
+ unsigned int max_range_640_480:1;
+
+ int video_inputs; /* number of video inputs */
+ struct list_head devlist;
u32 i2s_speed; /* I2S speed for audio digital stream */
@@ -235,8 +248,7 @@ struct em28xx {
/* video for linux */
int users; /* user count for exclusive use */
struct video_device *vdev; /* video for linux device struct */
- struct video_picture vpic; /* picture settings only used to init saa7113h */
- struct em28xx_tvnorm *tvnorm; /* selected tv norm */
+ v4l2_std_id norm; /* selected tv norm */
int ctl_freq; /* selected frequency */
unsigned int ctl_input; /* selected input */
unsigned int ctl_ainput; /* slected audio input */
@@ -256,17 +268,27 @@ struct em28xx {
int vscale; /* vertical scale factor (see datasheet) */
int interlaced; /* 1=interlace fileds, 0=just top fileds */
int type;
+ unsigned int video_bytesread; /* Number of bytes read */
+
+ unsigned long hash; /* eeprom hash - for boards with generic ID */
+ unsigned long i2c_hash; /* i2c devicelist hash - for boards with generic ID */
+
+ struct em28xx_audio *adev;
/* states */
enum em28xx_dev_state state;
enum em28xx_stream_state stream;
enum em28xx_io_method io;
+
+ struct work_struct request_module_wk;
+
/* locks */
- struct mutex lock, fileop_lock;
+ struct mutex lock;
spinlock_t queue_lock;
struct list_head inqueue, outqueue;
wait_queue_head_t open, wait_frame, wait_stream;
struct video_device *vbi_dev;
+ struct video_device *radio_dev;
unsigned char eedata[256];
@@ -289,16 +311,27 @@ struct em28xx {
int (*em28xx_read_reg_req) (struct em28xx * dev, u8 req, u16 reg);
};
+struct em28xx_fh {
+ struct em28xx *dev;
+ unsigned int stream_on:1; /* Locks streams */
+ int radio;
+};
+
+struct em28xx_ops {
+ struct list_head next;
+ char *name;
+ int id;
+ int (*init)(struct em28xx *);
+ int (*fini)(struct em28xx *);
+};
+
/* Provided by em28xx-i2c.c */
void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg);
+void em28xx_do_i2c_scan(struct em28xx *dev);
int em28xx_i2c_register(struct em28xx *dev);
int em28xx_i2c_unregister(struct em28xx *dev);
-/* Provided by em28xx-input.c */
-
-void em28xx_set_ir(struct em28xx * dev,struct IR_i2c *ir);
-
/* Provided by em28xx-core.c */
u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
@@ -314,8 +347,9 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
u8 bitmask);
-int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 * val);
+int em28xx_set_audio_source(struct em28xx *dev);
int em28xx_audio_analog_set(struct em28xx *dev);
+
int em28xx_colorlevels_set_default(struct em28xx *dev);
int em28xx_capture_start(struct em28xx *dev, int start);
int em28xx_outfmt_set_yuv422(struct em28xx *dev);
@@ -324,6 +358,10 @@ int em28xx_init_isoc(struct em28xx *dev);
void em28xx_uninit_isoc(struct em28xx *dev);
int em28xx_set_alternate(struct em28xx *dev);
+/* Provided by em28xx-video.c */
+int em28xx_register_extension(struct em28xx_ops *dev);
+void em28xx_unregister_extension(struct em28xx_ops *dev);
+
/* Provided by em28xx-cards.c */
extern int em2800_variant_detect(struct usb_device* udev,int model);
extern void em28xx_pre_card_setup(struct em28xx *dev);
@@ -331,8 +369,20 @@ extern void em28xx_card_setup(struct em28xx *dev);
extern struct em28xx_board em28xx_boards[];
extern struct usb_device_id em28xx_id_table[];
extern const unsigned int em28xx_bcount;
+void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir);
+
+/* Provided by em28xx-input.c */
+/* TODO: Check if the standard get_key handlers on ir-common can be used */
+int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
+int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
+int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
+ u32 *ir_raw);
+
+/* em2800 registers */
+#define EM2800_AUDIOSRC_REG 0x08
/* em28xx registers */
+#define I2C_CLK_REG 0x06
#define CHIPID_REG 0x0a
#define USBSUSP_REG 0x0c /* */
@@ -384,9 +434,12 @@ extern const unsigned int em28xx_bcount;
/* em202 registers */
#define MASTER_AC97 0x02
+#define LINE_IN_AC97 0x10
#define VIDEO_AC97 0x14
/* register settings */
+#define EM2800_AUDIO_SRC_TUNER 0x0d
+#define EM2800_AUDIO_SRC_LINE 0x0c
#define EM28XX_AUDIO_SRC_TUNER 0xc0
#define EM28XX_AUDIO_SRC_LINE 0x80
@@ -406,22 +459,6 @@ extern const unsigned int em28xx_bcount;
printk(KERN_WARNING "%s: "fmt,\
dev->name , ##arg); } while (0)
-inline static int em28xx_audio_source(struct em28xx *dev, int input)
-{
- return em28xx_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
-}
-
-inline static int em28xx_audio_usb_mute(struct em28xx *dev, int mute)
-{
- return em28xx_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
-}
-
-inline static int em28xx_audio_analog_setup(struct em28xx *dev)
-{
- /* unmute video mixer with default volume level */
- return em28xx_write_ac97(dev, VIDEO_AC97, "\x08\x08");
-}
-
inline static int em28xx_compression_disable(struct em28xx *dev)
{
/* side effect of disabling scaler and mixer */
@@ -497,18 +534,17 @@ inline static int em28xx_gamma_set(struct em28xx *dev, s32 val)
/*FIXME: maxw should be dependent of alt mode */
inline static unsigned int norm_maxw(struct em28xx *dev)
{
- switch(dev->model){
- case (EM2820_BOARD_MSI_VOX_USB_2): return(640);
- default: return(720);
- }
+ if (dev->max_range_640_480)
+ return 640;
+ else
+ return 720;
}
inline static unsigned int norm_maxh(struct em28xx *dev)
{
- switch(dev->model){
- case (EM2820_BOARD_MSI_VOX_USB_2): return(480);
- default: return (dev->tvnorm->id & V4L2_STD_625_50) ? 576 : 480;
- }
+ if (dev->max_range_640_480)
+ return 480;
+ else
+ return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
}
-
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 02:01:05 +0100