From: Mike Thomas Date: Mon, 10 Jan 2011 18:41:11 +0000 (+0000) Subject: staging: easycap: add ALSA support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a9855917290fc40dbfd67d3ee06c190667d6c5b5;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git staging: easycap: add ALSA support This is necessary because some distributions are disabling OSS entirely. Signed-off-by: Mike Thomas Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/easycap/Kconfig b/drivers/staging/easycap/Kconfig index bd96f39f2735..eaa8a86e183b 100644 --- a/drivers/staging/easycap/Kconfig +++ b/drivers/staging/easycap/Kconfig @@ -1,6 +1,6 @@ config EASYCAP tristate "EasyCAP USB ID 05e1:0408 support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_DEV && SND ---help--- This is an integrated audio/video driver for EasyCAP cards with diff --git a/drivers/staging/easycap/Makefile b/drivers/staging/easycap/Makefile index f1f2fbebf8f6..977e1535667d 100644 --- a/drivers/staging/easycap/Makefile +++ b/drivers/staging/easycap/Makefile @@ -1,14 +1,13 @@ +easycap-objs := easycap_main.o easycap_low.o easycap_sound.o \ + easycap_ioctl.o easycap_settings.o easycap_testcard.o -obj-$(CONFIG_EASYCAP) += easycap.o - -easycap-y := easycap_main.o easycap_low.o easycap_sound.o -easycap-y += easycap_ioctl.o easycap_settings.o -easycap-y += easycap_testcard.o +obj-$(CONFIG_EASYCAP) += easycap.o ccflags-y := -Wall -# Impose all or none of the following: ccflags-y += -DEASYCAP_IS_VIDEODEV_CLIENT ccflags-y += -DEASYCAP_NEEDS_V4L2_DEVICE_H ccflags-y += -DEASYCAP_NEEDS_V4L2_FOPS ccflags-y += -DEASYCAP_NEEDS_UNLOCKED_IOCTL +ccflags-y += -DEASYCAP_NEEDS_ALSA +ccflags-y += -DEASYCAP_NEEDS_CARD_CREATE diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index 063d44718d8d..111f53c33229 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -34,6 +34,8 @@ * EASYCAP_NEEDS_V4L2_DEVICE_H * EASYCAP_NEEDS_V4L2_FOPS * EASYCAP_NEEDS_UNLOCKED_IOCTL + * EASYCAP_NEEDS_ALSA + * EASYCAP_SILENT * * IF REQUIRED THEY MUST BE EXTERNALLY DEFINED, FOR EXAMPLE AS COMPILER * OPTIONS. @@ -57,9 +59,9 @@ */ /*---------------------------------------------------------------------------*/ #undef EASYCAP_TESTCARD +#if (!defined(EASYCAP_NEEDS_ALSA)) #undef EASYCAP_TESTTONE -#undef NOREADBACK -#undef AUDIOTIME +#endif /*EASYCAP_NEEDS_ALSA*/ /*---------------------------------------------------------------------------*/ #include #include @@ -79,6 +81,16 @@ #include #include +#if defined(EASYCAP_NEEDS_ALSA) +#include +#include +#include +#include +#include +#include +#include +#include +#endif /*EASYCAP_NEEDS_ALSA*/ /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) #include @@ -112,7 +124,7 @@ #define USB_EASYCAP_VENDOR_ID 0x05e1 #define USB_EASYCAP_PRODUCT_ID 0x0408 -#define EASYCAP_DRIVER_VERSION "0.8.41" +#define EASYCAP_DRIVER_VERSION "0.9.01" #define EASYCAP_DRIVER_DESCRIPTION "easycapdc60" #define USB_SKEL_MINOR_BASE 192 @@ -158,7 +170,8 @@ */ /*---------------------------------------------------------------------------*/ #define AUDIO_ISOC_BUFFER_MANY 16 -#define AUDIO_ISOC_ORDER 3 +#define AUDIO_ISOC_ORDER 1 +#define AUDIO_ISOC_FRAMESPERDESC 32 #define AUDIO_ISOC_BUFFER_SIZE (PAGE_SIZE << AUDIO_ISOC_ORDER) /*---------------------------------------------------------------------------*/ /* @@ -166,6 +179,7 @@ */ /*---------------------------------------------------------------------------*/ #define AUDIO_FRAGMENT_MANY 32 +#define PAGES_PER_AUDIO_FRAGMENT 4 /*---------------------------------------------------------------------------*/ /* * IT IS ESSENTIAL THAT EVEN-NUMBERED STANDARDS ARE 25 FRAMES PER SECOND, @@ -296,6 +310,7 @@ struct easycap { #define TELLTALE "expectedstring" char telltale[16]; int isdongle; +int minor; /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) @@ -328,6 +343,7 @@ int done[FRAME_BUFFER_MANY]; wait_queue_head_t wq_video; wait_queue_head_t wq_audio; +wait_queue_head_t wq_trigger; int input; int polled; @@ -428,6 +444,20 @@ int allocation_video_page; int allocation_video_struct; int registered_video; /*---------------------------------------------------------------------------*/ +/* + * ALSA + */ +/*---------------------------------------------------------------------------*/ +#if defined(EASYCAP_NEEDS_ALSA) +struct snd_pcm_hardware alsa_hardware; +struct snd_card *psnd_card; +struct snd_pcm *psnd_pcm; +struct snd_pcm_substream *psubstream; +int dma_fill; +int dma_next; +int dma_read; +#endif /*EASYCAP_NEEDS_ALSA*/ +/*---------------------------------------------------------------------------*/ /* * SOUND PROPERTIES */ @@ -455,10 +485,10 @@ struct list_head *purb_audio_head; * BUFFER INDICATORS */ /*---------------------------------------------------------------------------*/ -int audio_fill; /* Audio buffer being filled by easysnd_complete(). */ - /* Bumped only by easysnd_complete(). */ -int audio_read; /* Audio buffer page being read by easysnd_read(). */ - /* Set by easysnd_read() to trail audio_fill by */ +int audio_fill; /* Audio buffer being filled by easycap_complete(). */ + /* Bumped only by easycap_complete(). */ +int audio_read; /* Audio buffer page being read by easycap_read(). */ + /* Set by easycap_read() to trail audio_fill by */ /* one fragment. */ /*---------------------------------------------------------------------------*/ /* @@ -532,19 +562,39 @@ int adjust_volume(struct easycap *, int); * AUDIO FUNCTION PROTOTYPES */ /*---------------------------------------------------------------------------*/ -void easysnd_complete(struct urb *); -ssize_t easysnd_read(struct file *, char __user *, size_t, loff_t *); -int easysnd_open(struct inode *, struct file *); -int easysnd_release(struct inode *, struct file *); -long easysnd_ioctl_noinode(struct file *, unsigned int, \ +#if defined(EASYCAP_NEEDS_ALSA) +int easycap_alsa_probe(struct easycap *); + +void easycap_alsa_complete(struct urb *); +int easycap_alsa_open(struct snd_pcm_substream *); +int easycap_alsa_close(struct snd_pcm_substream *); +int easycap_alsa_hw_params(struct snd_pcm_substream *, \ + struct snd_pcm_hw_params *); +int easycap_alsa_vmalloc(struct snd_pcm_substream *, size_t); +int easycap_alsa_hw_free(struct snd_pcm_substream *); +int easycap_alsa_prepare(struct snd_pcm_substream *); +int easycap_alsa_ack(struct snd_pcm_substream *); +int easycap_alsa_trigger(struct snd_pcm_substream *, int); +snd_pcm_uframes_t \ + easycap_alsa_pointer(struct snd_pcm_substream *); +struct page *easycap_alsa_page(struct snd_pcm_substream *, unsigned long); + +#else +void easyoss_complete(struct urb *); +ssize_t easyoss_read(struct file *, char __user *, size_t, loff_t *); +int easyoss_open(struct inode *, struct file *); +int easyoss_release(struct inode *, struct file *); +long easyoss_ioctl_noinode(struct file *, unsigned int, \ unsigned long); -int easysnd_ioctl(struct inode *, struct file *, unsigned int, \ +int easyoss_ioctl(struct inode *, struct file *, unsigned int, \ unsigned long); -unsigned int easysnd_poll(struct file *, poll_table *); -void easysnd_delete(struct kref *); +unsigned int easyoss_poll(struct file *, poll_table *); +void easyoss_delete(struct kref *); +#endif /*EASYCAP_NEEDS_ALSA*/ +int easycap_sound_setup(struct easycap *); int submit_audio_urbs(struct easycap *); int kill_audio_urbs(struct easycap *); -void easysnd_testtone(struct easycap *, int); +void easyoss_testtone(struct easycap *, int); int audio_setup(struct easycap *); /*---------------------------------------------------------------------------*/ /* diff --git a/drivers/staging/easycap/easycap_debug.h b/drivers/staging/easycap/easycap_debug.h deleted file mode 100644 index b6b571843125..000000000000 --- a/drivers/staging/easycap/easycap_debug.h +++ /dev/null @@ -1,29 +0,0 @@ -/***************************************************************************** -* * -* easycap_debug.h * -* * -*****************************************************************************/ -/* - * - * Copyright (C) 2010 R.M. Thomas - * - * - * This 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. - * - * The software 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 software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ -/*****************************************************************************/ -extern int easycap_debug; -extern int easycap_gain; -extern struct easycap_dongle easycap_dongle[]; diff --git a/drivers/staging/easycap/easycap_ioctl.c b/drivers/staging/easycap/easycap_ioctl.c index 447953a4e80c..20d30334233e 100644 --- a/drivers/staging/easycap/easycap_ioctl.c +++ b/drivers/staging/easycap/easycap_ioctl.c @@ -27,8 +27,6 @@ #include #include "easycap.h" -#include "easycap_debug.h" -#include "easycap_standard.h" #include "easycap_ioctl.h" /*--------------------------------------------------------------------------*/ @@ -910,7 +908,7 @@ return -ENOENT; * peasycap->audio_interface, \ * peasycap->audio_altsetting_off); * HOWEVER, AFTER THIS COMMAND IS ISSUED ALL SUBSEQUENT URBS RECEIVE STATUS - * -ESHUTDOWN. THE HANDLER ROUTINE easysnd_complete() DECLINES TO RESUBMIT + * -ESHUTDOWN. THE HANDLER ROUTINE easyxxx_complete() DECLINES TO RESUBMIT * THE URB AND THE PIPELINE COLLAPSES IRRETRIEVABLY. BEWARE. */ /*---------------------------------------------------------------------------*/ @@ -991,11 +989,12 @@ if (NULL == p) { } kd = isdongle(peasycap); if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_video)) { - SAY("ERROR: cannot lock easycap_dongle[%i].mutex_video\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) { + SAY("ERROR: cannot lock " \ + "easycapdc60_dongle[%i].mutex_video\n", kd); return -ERESTARTSYS; } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd); /*---------------------------------------------------------------------------*/ /* * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER peasycap, @@ -1007,24 +1006,24 @@ if (0 <= kd && DONGLE_MANY > kd) { return -ERESTARTSYS; if (NULL == file) { SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } peasycap = file->private_data; if (NULL == peasycap) { SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { SAY("ERROR: bad peasycap\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } p = peasycap->pusb_device; if (NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } } else { @@ -1048,7 +1047,7 @@ case VIDIOC_QUERYCAP: { if (16 <= strlen(EASYCAP_DRIVER_VERSION)) { SAM("ERROR: bad driver version string\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } strcpy(&version[0], EASYCAP_DRIVER_VERSION); @@ -1066,7 +1065,8 @@ case VIDIOC_QUERYCAP: { if (0 != rc) { SAM("ERROR: %i=strict_strtol(%s,.,,)\n", \ rc, p1); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].\ + mutex_video); return -EINVAL; } k[i] = (int)lng; @@ -1097,7 +1097,7 @@ case VIDIOC_QUERYCAP: { } if (0 != copy_to_user((void __user *)arg, &v4l2_capability, \ sizeof(struct v4l2_capability))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1111,7 +1111,7 @@ case VIDIOC_ENUMINPUT: { if (0 != copy_from_user(&v4l2_input, (void __user *)arg, \ sizeof(struct v4l2_input))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1193,14 +1193,14 @@ case VIDIOC_ENUMINPUT: { } default: { JOM(8, "%i=index: exhausts inputs\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } if (0 != copy_to_user((void __user *)arg, &v4l2_input, \ sizeof(struct v4l2_input))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1213,7 +1213,7 @@ case VIDIOC_G_INPUT: { index = (__u32)peasycap->input; JOM(8, "user is told: %i\n", index); if (0 != copy_to_user((void __user *)arg, &index, sizeof(__u32))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1227,7 +1227,7 @@ case VIDIOC_S_INPUT: JOM(8, "VIDIOC_S_INPUT\n"); if (0 != copy_from_user(&index, (void __user *)arg, sizeof(__u32))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1240,7 +1240,7 @@ case VIDIOC_S_INPUT: if ((0 > index) || (INPUT_MANY <= index)) { JOM(8, "ERROR: bad requested input: %i\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } @@ -1249,7 +1249,7 @@ case VIDIOC_S_INPUT: JOM(8, "newinput(.,%i) OK\n", (int)index); } else { SAM("ERROR: newinput(.,%i) returned %i\n", (int)index, rc); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1257,7 +1257,7 @@ case VIDIOC_S_INPUT: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_ENUMAUDIO: { JOM(8, "VIDIOC_ENUMAUDIO\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ @@ -1268,12 +1268,12 @@ case VIDIOC_ENUMAUDOUT: { if (0 != copy_from_user(&v4l2_audioout, (void __user *)arg, \ sizeof(struct v4l2_audioout))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (0 != v4l2_audioout.index) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } memset(&v4l2_audioout, 0, sizeof(struct v4l2_audioout)); @@ -1282,7 +1282,7 @@ case VIDIOC_ENUMAUDOUT: { if (0 != copy_to_user((void __user *)arg, &v4l2_audioout, \ sizeof(struct v4l2_audioout))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1296,7 +1296,7 @@ case VIDIOC_QUERYCTRL: { if (0 != copy_from_user(&v4l2_queryctrl, (void __user *)arg, \ sizeof(struct v4l2_queryctrl))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1313,12 +1313,12 @@ case VIDIOC_QUERYCTRL: { } if (0xFFFFFFFF == easycap_control[i1].id) { JOM(8, "%i=index: exhausts controls\n", i1); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } if (0 != copy_to_user((void __user *)arg, &v4l2_queryctrl, \ sizeof(struct v4l2_queryctrl))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1326,7 +1326,7 @@ case VIDIOC_QUERYCTRL: { /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_QUERYMENU: { JOM(8, "VIDIOC_QUERYMENU unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ @@ -1337,13 +1337,13 @@ case VIDIOC_G_CTRL: { pv4l2_control = kzalloc(sizeof(struct v4l2_control), GFP_KERNEL); if (!pv4l2_control) { SAM("ERROR: out of memory\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOMEM; } if (0 != copy_from_user(pv4l2_control, (void __user *)arg, \ sizeof(struct v4l2_control))) { kfree(pv4l2_control); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1385,14 +1385,14 @@ case VIDIOC_G_CTRL: { SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", \ pv4l2_control->id); kfree(pv4l2_control); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } if (0 != copy_to_user((void __user *)arg, pv4l2_control, \ sizeof(struct v4l2_control))) { kfree(pv4l2_control); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } kfree(pv4l2_control); @@ -1412,7 +1412,7 @@ case VIDIOC_S_CTRL: if (0 != copy_from_user(&v4l2_control, (void __user *)arg, \ sizeof(struct v4l2_control))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1463,7 +1463,7 @@ case VIDIOC_S_CTRL: default: { SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", \ v4l2_control.id); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } @@ -1472,7 +1472,7 @@ case VIDIOC_S_CTRL: /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_S_EXT_CTRLS: { JOM(8, "VIDIOC_S_EXT_CTRLS unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ @@ -1484,7 +1484,7 @@ case VIDIOC_ENUM_FMT: { if (0 != copy_from_user(&v4l2_fmtdesc, (void __user *)arg, \ sizeof(struct v4l2_fmtdesc))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1539,13 +1539,13 @@ case VIDIOC_ENUM_FMT: { } default: { JOM(8, "%i=index: exhausts formats\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } if (0 != copy_to_user((void __user *)arg, &v4l2_fmtdesc, \ sizeof(struct v4l2_fmtdesc))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1564,7 +1564,7 @@ case VIDIOC_ENUM_FRAMESIZES: { if (0 != copy_from_user(&v4l2_frmsizeenum, (void __user *)arg, \ sizeof(struct v4l2_frmsizeenum))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1616,7 +1616,7 @@ case VIDIOC_ENUM_FRAMESIZES: { } default: { JOM(8, "%i=index: exhausts framesizes\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } @@ -1674,14 +1674,14 @@ case VIDIOC_ENUM_FRAMESIZES: { } default: { JOM(8, "%i=index: exhausts framesizes\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } } if (0 != copy_to_user((void __user *)arg, &v4l2_frmsizeenum, \ sizeof(struct v4l2_frmsizeenum))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1710,7 +1710,7 @@ case VIDIOC_ENUM_FRAMEINTERVALS: { if (0 != copy_from_user(&v4l2_frmivalenum, (void __user *)arg, \ sizeof(struct v4l2_frmivalenum))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1737,13 +1737,13 @@ case VIDIOC_ENUM_FRAMEINTERVALS: { } default: { JOM(8, "%i=index: exhausts frameintervals\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } } if (0 != copy_to_user((void __user *)arg, &v4l2_frmivalenum, \ sizeof(struct v4l2_frmivalenum))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1757,28 +1757,28 @@ case VIDIOC_G_FMT: { pv4l2_format = kzalloc(sizeof(struct v4l2_format), GFP_KERNEL); if (!pv4l2_format) { SAM("ERROR: out of memory\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOMEM; } pv4l2_pix_format = kzalloc(sizeof(struct v4l2_pix_format), GFP_KERNEL); if (!pv4l2_pix_format) { SAM("ERROR: out of memory\n"); kfree(pv4l2_format); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOMEM; } if (0 != copy_from_user(pv4l2_format, (void __user *)arg, \ sizeof(struct v4l2_format))) { kfree(pv4l2_format); kfree(pv4l2_pix_format); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (pv4l2_format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { kfree(pv4l2_format); kfree(pv4l2_pix_format); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } @@ -1794,7 +1794,7 @@ case VIDIOC_G_FMT: { sizeof(struct v4l2_format))) { kfree(pv4l2_format); kfree(pv4l2_pix_format); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } kfree(pv4l2_format); @@ -1819,7 +1819,7 @@ case VIDIOC_S_FMT: { if (0 != copy_from_user(&v4l2_format, (void __user *)arg, \ sizeof(struct v4l2_format))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1831,11 +1831,11 @@ case VIDIOC_S_FMT: { try); if (0 > best_format) { if (-EBUSY == best_format) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EBUSY; } JOM(8, "WARNING: adjust_format() returned %i\n", best_format); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOENT; } /*...........................................................................*/ @@ -1848,7 +1848,7 @@ case VIDIOC_S_FMT: { if (0 != copy_to_user((void __user *)arg, &v4l2_format, \ sizeof(struct v4l2_format))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1861,7 +1861,7 @@ case VIDIOC_CROPCAP: { if (0 != copy_from_user(&v4l2_cropcap, (void __user *)arg, \ sizeof(struct v4l2_cropcap))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1885,7 +1885,7 @@ case VIDIOC_CROPCAP: { if (0 != copy_to_user((void __user *)arg, &v4l2_cropcap, \ sizeof(struct v4l2_cropcap))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1894,14 +1894,14 @@ case VIDIOC_CROPCAP: { case VIDIOC_G_CROP: case VIDIOC_S_CROP: { JOM(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_QUERYSTD: { JOM(8, "VIDIOC_QUERYSTD: " \ "EasyCAP is incapable of detecting standard\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; break; } @@ -1923,7 +1923,7 @@ case VIDIOC_ENUMSTD: { if (0 != copy_from_user(&v4l2_standard, (void __user *)arg, \ sizeof(struct v4l2_standard))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } index = v4l2_standard.index; @@ -1945,7 +1945,7 @@ case VIDIOC_ENUMSTD: { } if (0xFFFF == peasycap_standard->mask) { JOM(8, "%i=index: exhausts standards\n", index); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } JOM(8, "%i=index: %s\n", index, \ @@ -1957,7 +1957,7 @@ case VIDIOC_ENUMSTD: { if (0 != copy_to_user((void __user *)arg, &v4l2_standard, \ sizeof(struct v4l2_standard))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -1972,13 +1972,13 @@ case VIDIOC_G_STD: { if (0 > peasycap->standard_offset) { JOM(8, "%i=peasycap->standard_offset\n", \ peasycap->standard_offset); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EBUSY; } if (0 != copy_from_user(&std_id, (void __user *)arg, \ sizeof(v4l2_std_id))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -1990,7 +1990,7 @@ case VIDIOC_G_STD: { if (0 != copy_to_user((void __user *)arg, &std_id, \ sizeof(v4l2_std_id))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -2004,7 +2004,7 @@ case VIDIOC_S_STD: { if (0 != copy_from_user(&std_id, (void __user *)arg, \ sizeof(v4l2_std_id))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -2015,7 +2015,7 @@ case VIDIOC_S_STD: { rc = adjust_standard(peasycap, std_id); if (0 > rc) { JOM(8, "WARNING: adjust_standard() returned %i\n", rc); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOENT; } break; @@ -2029,16 +2029,16 @@ case VIDIOC_REQBUFS: { if (0 != copy_from_user(&v4l2_requestbuffers, (void __user *)arg, \ sizeof(struct v4l2_requestbuffers))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (v4l2_requestbuffers.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } if (v4l2_requestbuffers.memory != V4L2_MEMORY_MMAP) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } nbuffers = v4l2_requestbuffers.count; @@ -2059,7 +2059,7 @@ case VIDIOC_REQBUFS: { if (0 != copy_to_user((void __user *)arg, &v4l2_requestbuffers, \ sizeof(struct v4l2_requestbuffers))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -2074,18 +2074,18 @@ case VIDIOC_QUERYBUF: { if (peasycap->video_eof) { JOM(8, "returning -EIO because %i=video_eof\n", \ peasycap->video_eof); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EIO; } if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } index = v4l2_buffer.index; @@ -2117,7 +2117,7 @@ case VIDIOC_QUERYBUF: { if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } break; @@ -2130,21 +2130,21 @@ case VIDIOC_QBUF: { if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } if (v4l2_buffer.memory != V4L2_MEMORY_MMAP) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } if (v4l2_buffer.index < 0 || \ (v4l2_buffer.index >= peasycap->frame_buffer_many)) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED; @@ -2154,7 +2154,7 @@ case VIDIOC_QBUF: { if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -2187,18 +2187,18 @@ case VIDIOC_DQBUF: JOM(8, "returning -EIO because " \ "%i=video_idle %i=video_eof\n", \ peasycap->video_idle, peasycap->video_eof); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EIO; } if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } @@ -2222,7 +2222,7 @@ case VIDIOC_DQBUF: if (!peasycap->video_isoc_streaming) { JOM(16, "returning -EIO because video urbs not streaming\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EIO; } /*---------------------------------------------------------------------------*/ @@ -2239,18 +2239,19 @@ case VIDIOC_DQBUF: if (-EIO == rcdq) { JOM(8, "returning -EIO because " \ "dqbuf() returned -EIO\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].\ + mutex_video); return -EIO; } } while (0 != rcdq); } else { if (peasycap->video_eof) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EIO; } } if (V4L2_BUF_FLAG_DONE != peasycap->done[peasycap->frame_read]) { - SAM("ERROR: V4L2_BUF_FLAG_DONE != 0x%08X\n", \ + JOM(8, "V4L2_BUF_FLAG_DONE != 0x%08X\n", \ peasycap->done[peasycap->frame_read]); } peasycap->polled = 0; @@ -2337,7 +2338,7 @@ case VIDIOC_DQBUF: if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \ sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -2370,7 +2371,7 @@ case VIDIOC_STREAMON: { peasycap->merit[i] = 0; if ((struct usb_device *)NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } submit_video_urbs(peasycap); @@ -2386,7 +2387,7 @@ case VIDIOC_STREAMOFF: { if ((struct usb_device *)NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } @@ -2400,7 +2401,12 @@ case VIDIOC_STREAMOFF: { /*---------------------------------------------------------------------------*/ JOM(8, "calling wake_up on wq_video and wq_audio\n"); wake_up_interruptible(&(peasycap->wq_video)); +#if defined(EASYCAP_NEEDS_ALSA) + if (NULL != peasycap->psubstream) + snd_pcm_period_elapsed(peasycap->psubstream); +#else wake_up_interruptible(&(peasycap->wq_audio)); +#endif /*EASYCAP_NEEDS_ALSA*/ /*---------------------------------------------------------------------------*/ break; } @@ -2412,19 +2418,19 @@ case VIDIOC_G_PARM: { pv4l2_streamparm = kzalloc(sizeof(struct v4l2_streamparm), GFP_KERNEL); if (!pv4l2_streamparm) { SAM("ERROR: out of memory\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOMEM; } if (0 != copy_from_user(pv4l2_streamparm, (void __user *)arg, \ sizeof(struct v4l2_streamparm))) { kfree(pv4l2_streamparm); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } if (pv4l2_streamparm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { kfree(pv4l2_streamparm); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } pv4l2_streamparm->parm.capture.capability = 0; @@ -2450,7 +2456,7 @@ case VIDIOC_G_PARM: { if (0 != copy_to_user((void __user *)arg, pv4l2_streamparm, \ sizeof(struct v4l2_streamparm))) { kfree(pv4l2_streamparm); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EFAULT; } kfree(pv4l2_streamparm); @@ -2459,25 +2465,25 @@ case VIDIOC_G_PARM: { /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_S_PARM: { JOM(8, "VIDIOC_S_PARM unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_G_AUDIO: { JOM(8, "VIDIOC_G_AUDIO unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_S_AUDIO: { JOM(8, "VIDIOC_S_AUDIO unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_S_TUNER: { JOM(8, "VIDIOC_S_TUNER unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ @@ -2485,45 +2491,46 @@ case VIDIOC_G_FBUF: case VIDIOC_S_FBUF: case VIDIOC_OVERLAY: { JOM(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case VIDIOC_G_TUNER: { JOM(8, "VIDIOC_G_TUNER unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } case VIDIOC_G_FREQUENCY: case VIDIOC_S_FREQUENCY: { JOM(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -EINVAL; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ default: { JOM(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ENOIOCTLCMD; } } -mutex_unlock(&easycap_dongle[kd].mutex_video); -JOM(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); +mutex_unlock(&easycapdc60_dongle[kd].mutex_video); +JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd); return 0; } /*****************************************************************************/ +#if !defined(EASYCAP_NEEDS_ALSA) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if ((defined(EASYCAP_IS_VIDEODEV_CLIENT)) || \ (defined(EASYCAP_NEEDS_UNLOCKED_IOCTL))) long -easysnd_ioctl_noinode(struct file *file, unsigned int cmd, unsigned long arg) { - return (long)easysnd_ioctl((struct inode *)NULL, file, cmd, arg); +easyoss_ioctl_noinode(struct file *file, unsigned int cmd, unsigned long arg) { + return (long)easyoss_ioctl((struct inode *)NULL, file, cmd, arg); } #endif /*EASYCAP_IS_VIDEODEV_CLIENT||EASYCAP_NEEDS_UNLOCKED_IOCTL*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ /*---------------------------------------------------------------------------*/ int -easysnd_ioctl(struct inode *inode, struct file *file, +easyoss_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct easycap *peasycap; @@ -2550,11 +2557,12 @@ if (NULL == p) { } kd = isdongle(peasycap); if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_audio)) { - SAY("ERROR: cannot lock easycap_dongle[%i].mutex_audio\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) { + SAY("ERROR: cannot lock " + "easycapdc60_dongle[%i].mutex_audio\n", kd); return -ERESTARTSYS; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd); /*---------------------------------------------------------------------------*/ /* * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER peasycap, @@ -2566,24 +2574,24 @@ if (0 <= kd && DONGLE_MANY > kd) { return -ERESTARTSYS; if (NULL == file) { SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } peasycap = file->private_data; if (NULL == peasycap) { SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { SAY("ERROR: bad peasycap\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } p = peasycap->pusb_device; if (NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } } else { @@ -2614,7 +2622,7 @@ case SNDCTL_DSP_GETCAPS: { #endif /*UPSAMPLE*/ if (0 != copy_to_user((void __user *)arg, &caps, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2636,7 +2644,7 @@ case SNDCTL_DSP_GETFMTS: { #endif /*UPSAMPLE*/ if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2645,7 +2653,7 @@ case SNDCTL_DSP_SETFMT: { int incoming, outgoing; JOM(8, "SNDCTL_DSP_SETFMT\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); @@ -2668,10 +2676,10 @@ case SNDCTL_DSP_SETFMT: { JOM(8, " cf. %i=AFMT_U8\n", AFMT_U8); if (0 != copy_to_user((void __user *)arg, &outgoing, \ sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EINVAL ; } break; @@ -2680,7 +2688,7 @@ case SNDCTL_DSP_STEREO: { int incoming; JOM(8, "SNDCTL_DSP_STEREO\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); @@ -2698,7 +2706,7 @@ case SNDCTL_DSP_STEREO: { #endif /*UPSAMPLE*/ if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2707,7 +2715,7 @@ case SNDCTL_DSP_SPEED: { int incoming; JOM(8, "SNDCTL_DSP_SPEED\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); @@ -2725,7 +2733,7 @@ case SNDCTL_DSP_SPEED: { #endif /*UPSAMPLE*/ if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2734,14 +2742,14 @@ case SNDCTL_DSP_GETTRIGGER: { int incoming; JOM(8, "SNDCTL_DSP_GETTRIGGER\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); incoming = PCM_ENABLE_INPUT; if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2750,7 +2758,7 @@ case SNDCTL_DSP_SETTRIGGER: { int incoming; JOM(8, "SNDCTL_DSP_SETTRIGGER\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); @@ -2767,13 +2775,13 @@ case SNDCTL_DSP_GETBLKSIZE: { int incoming; JOM(8, "SNDCTL_DSP_GETBLKSIZE\n"); if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(8, "........... %i=incoming\n", incoming); incoming = peasycap->audio_bytes_per_fragment; if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2790,7 +2798,7 @@ case SNDCTL_DSP_GETISPACE: { if (0 != copy_to_user((void __user *)arg, &audio_buf_info, \ sizeof(int))) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } break; @@ -2802,18 +2810,18 @@ case 0x00005404: case 0x00005405: case 0x00005406: { JOM(8, "SNDCTL_TMR_...: 0x%08X unsupported\n", cmd); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ENOIOCTLCMD; } default: { JOM(8, "ERROR: unrecognized DSP IOCTL command: 0x%08X\n", cmd); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ENOIOCTLCMD; } } -mutex_unlock(&easycap_dongle[kd].mutex_audio); +mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return 0; } +#endif /*EASYCAP_NEEDS_ALSA*/ /*****************************************************************************/ - diff --git a/drivers/staging/easycap/easycap_ioctl.h b/drivers/staging/easycap/easycap_ioctl.h index 210cd627235f..938de375efab 100644 --- a/drivers/staging/easycap/easycap_ioctl.h +++ b/drivers/staging/easycap/easycap_ioctl.h @@ -24,5 +24,14 @@ * */ /*****************************************************************************/ +#if !defined(EASYCAP_IOCTL_H) +#define EASYCAP_IOCTL_H + +extern int easycap_debug; +extern int easycap_gain; +extern struct easycap_dongle easycapdc60_dongle[]; +extern struct easycap_standard easycap_standard[]; extern struct easycap_format easycap_format[]; extern struct v4l2_queryctrl easycap_control[]; + +#endif /*EASYCAP_IOCTL_H*/ diff --git a/drivers/staging/easycap/easycap_low.c b/drivers/staging/easycap/easycap_low.c index 28c4d1e3c02f..b618d4be3e5c 100644 --- a/drivers/staging/easycap/easycap_low.c +++ b/drivers/staging/easycap/easycap_low.c @@ -39,7 +39,7 @@ /****************************************************************************/ #include "easycap.h" -#include "easycap_debug.h" +#include "easycap_low.h" /*--------------------------------------------------------------------------*/ const struct stk1160config { int reg; int set; } stk1160configPAL[256] = { @@ -1052,9 +1052,18 @@ rc = usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), \ (int)50000); JOT(8, "0x%02X=buffer\n", *((__u8 *) &buffer[0])); -if (rc != (int)length) - SAY("ERROR: usb_control_msg returned %i\n", rc); - +if (rc != (int)length) { + switch (rc) { + case -EPIPE: { + SAY("usb_control_msg returned -EPIPE\n"); + break; + } + default: { + SAY("ERROR: usb_control_msg returned %i\n", rc); + break; + } + } +} /*--------------------------------------------------------------------------*/ /* * REGISTER 500: SETTING VALUE TO 0x0094 RESETS AUDIO CONFIGURATION ??? diff --git a/drivers/staging/easycap/easycap_low.h b/drivers/staging/easycap/easycap_low.h new file mode 100644 index 000000000000..d2b69e9c6b30 --- /dev/null +++ b/drivers/staging/easycap/easycap_low.h @@ -0,0 +1,34 @@ +/***************************************************************************** +* * +* easycap_low.h * +* * +*****************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas + * + * + * This 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. + * + * The software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ +#if !defined(EASYCAP_LOW_H) +#define EASYCAP_LOW_H + +extern int easycap_debug; +extern int easycap_gain; +extern struct easycap_dongle easycapdc60_dongle[]; + +#endif /*EASYCAP_LOW_H*/ diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c index 22cf02b9e9d5..84128cf90007 100644 --- a/drivers/staging/easycap/easycap_main.c +++ b/drivers/staging/easycap/easycap_main.c @@ -29,30 +29,17 @@ /*****************************************************************************/ #include "easycap.h" -#include "easycap_standard.h" -#include "easycap_ioctl.h" +#include "easycap_main.h" int easycap_debug; -static int easycap_bars; +static int easycap_bars = 1; int easycap_gain = 16; module_param_named(debug, easycap_debug, int, S_IRUGO | S_IWUSR); module_param_named(bars, easycap_bars, int, S_IRUGO | S_IWUSR); module_param_named(gain, easycap_gain, int, S_IRUGO | S_IWUSR); -/*---------------------------------------------------------------------------*/ -/* - * dongle_this IS INDISPENSIBLY static BECAUSE FUNCTION easycap_usb_probe() - * IS CALLED SUCCESSIVELY FOR INTERFACES 0, 1, 2 AND THE POINTER peasycap - * ALLOCATED DURING THE PROBING OF INTERFACE 0 MUST BE REMEMBERED WHEN - * PROBING INTERFACES 1 AND 2. - * - * IOCTL LOCKING IS DONE AT MODULE LEVEL, NOT DEVICE LEVEL. -*/ -/*---------------------------------------------------------------------------*/ - -struct easycap_dongle easycap_dongle[DONGLE_MANY]; -static int dongle_this; -static int dongle_done; +struct easycap_dongle easycapdc60_dongle[DONGLE_MANY]; +static struct mutex mutex_dongle; /*---------------------------------------------------------------------------*/ /* @@ -120,28 +107,6 @@ const struct v4l2_file_operations v4l2_fops = { #endif /*EASYCAP_NEEDS_V4L2_FOPS*/ #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -/*--------------------------------------------------------------------------*/ -/* - * PARAMETERS USED WHEN REGISTERING THE AUDIO INTERFACE - */ -/*--------------------------------------------------------------------------*/ -const struct file_operations easysnd_fops = { - .owner = THIS_MODULE, - .open = easysnd_open, - .release = easysnd_release, -#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL) - .unlocked_ioctl = easysnd_ioctl_noinode, -#else - .ioctl = easysnd_ioctl, -#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/ - .read = easysnd_read, - .llseek = no_llseek, -}; -struct usb_class_driver easysnd_class = { -.name = "usb/easysnd%d", -.fops = &easysnd_fops, -.minor_base = USB_SKEL_MINOR_BASE, -}; /****************************************************************************/ /*---------------------------------------------------------------------------*/ /* @@ -155,7 +120,7 @@ int k; if (NULL == peasycap) return -2; for (k = 0; k < DONGLE_MANY; k++) { - if (easycap_dongle[k].peasycap == peasycap) { + if (easycapdc60_dongle[k].peasycap == peasycap) { peasycap->isdongle = k; return k; } @@ -1055,9 +1020,10 @@ for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { m++; } } -JOM(4, "easysnd_delete(): isoc audio buffers freed: %i pages\n", \ +JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n", \ m * (0x01 << AUDIO_ISOC_ORDER)); /*---------------------------------------------------------------------------*/ +#if !defined(EASYCAP_NEEDS_ALSA) JOM(4, "freeing audio buffers.\n"); gone = 0; for (k = 0; k < peasycap->audio_buffer_page_many; k++) { @@ -1068,7 +1034,8 @@ for (k = 0; k < peasycap->audio_buffer_page_many; k++) { gone++; } } -JOM(4, "easysnd_delete(): audio buffers freed: %i pages\n", gone); +JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone); +#endif /*!EASYCAP_NEEDS_ALSA*/ /*---------------------------------------------------------------------------*/ JOM(4, "freeing easycap structure.\n"); allocation_video_urb = peasycap->allocation_video_urb; @@ -1081,12 +1048,20 @@ allocation_audio_struct = peasycap->allocation_audio_struct; registered_audio = peasycap->registered_audio; kfree(peasycap); + if (0 <= kd && DONGLE_MANY > kd) { - easycap_dongle[kd].peasycap = (struct easycap *)NULL; - JOT(4, " null-->easycap_dongle[%i].peasycap\n", kd); - allocation_video_struct -= sizeof(struct easycap); + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot down mutex_dongle\n"); + } else { + JOM(4, "locked mutex_dongle\n"); + easycapdc60_dongle[kd].peasycap = (struct easycap *)NULL; + mutex_unlock(&mutex_dongle); + JOM(4, "unlocked mutex_dongle\n"); + JOT(4, " null-->easycapdc60_dongle[%i].peasycap\n", kd); + allocation_video_struct -= sizeof(struct easycap); + } } else { - SAY("ERROR: cannot purge easycap_dongle[].peasycap"); + SAY("ERROR: cannot purge easycapdc60_dongle[].peasycap"); } /*---------------------------------------------------------------------------*/ SAY("%8i= video urbs after all deletions\n", allocation_video_urb); @@ -1131,11 +1106,12 @@ if (NULL == peasycap->pusb_device) { /*---------------------------------------------------------------------------*/ kd = isdongle(peasycap); if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_video)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_video\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) { + SAY("ERROR: cannot down " + "easycapdc60_dongle[%i].mutex_video\n", kd); return -ERESTARTSYS; } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd); /*-------------------------------------------------------------------*/ /* * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER @@ -1147,24 +1123,24 @@ if (0 <= kd && DONGLE_MANY > kd) { return -ERESTARTSYS; if (NULL == file) { SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } peasycap = file->private_data; if (NULL == peasycap) { SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { SAY("ERROR: bad peasycap: 0x%08lX\n", \ (unsigned long int) peasycap); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } if (NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return -ERESTARTSYS; } } else @@ -1179,7 +1155,7 @@ if (0 <= kd && DONGLE_MANY > kd) { /*---------------------------------------------------------------------------*/ rc = easycap_dqbuf(peasycap, 0); peasycap->polled = 1; -mutex_unlock(&easycap_dongle[kd].mutex_video); +mutex_unlock(&easycapdc60_dongle[kd].mutex_video); if (0 == rc) return POLLIN | POLLRDNORM; else @@ -3391,20 +3367,13 @@ return; /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* - * - * FIXME - * - * - * THIS FUNCTION ASSUMES THAT, ON EACH AND EVERY OCCASION THAT THE EasyCAP - * IS PHYSICALLY PLUGGED IN, INTERFACE 0 IS PROBED FIRST. - * IF THIS IS NOT TRUE, THERE IS THE POSSIBILITY OF AN Oops. - * - * THIS HAS NEVER BEEN A PROBLEM IN PRACTICE, BUT SOMETHING SEEMS WRONG HERE. + * WHEN THE EasyCAP IS PHYSICALLY PLUGGED IN, THIS FUNCTION IS CALLED THREE + * TIMES, ONCE FOR EACH OF THE THREE INTERFACES. BEWARE. */ /*---------------------------------------------------------------------------*/ int easycap_usb_probe(struct usb_interface *pusb_interface, \ - const struct usb_device_id *id) + const struct usb_device_id *pusb_device_id) { struct usb_device *pusb_device, *pusb_device1; struct usb_host_interface *pusb_host_interface; @@ -3413,6 +3382,7 @@ struct usb_interface_descriptor *pusb_interface_descriptor; struct usb_interface_assoc_descriptor *pusb_interface_assoc_descriptor; struct urb *purb; struct easycap *peasycap; +int ndong; struct data_urb *pdata_urb; size_t wMaxPacketSize; int ISOCwMaxPacketSize; @@ -3434,24 +3404,19 @@ int maxpacketsize; __u16 mask; __s32 value; struct easycap_format *peasycap_format; - -JOT(4, "\n"); - -if (!dongle_done) { - dongle_done = 1; - for (k = 0; k < DONGLE_MANY; k++) { - easycap_dongle[k].peasycap = (struct easycap *)NULL; - mutex_init(&easycap_dongle[k].mutex_video); - mutex_init(&easycap_dongle[k].mutex_audio); - } -} - -peasycap = (struct easycap *)NULL; +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +#if defined(EASYCAP_IS_VIDEODEV_CLIENT) +#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) +struct v4l2_device *pv4l2_device; +#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ +#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ +/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ if ((struct usb_interface *)NULL == pusb_interface) { SAY("ERROR: pusb_interface is NULL\n"); return -EFAULT; } +peasycap = (struct easycap *)NULL; /*---------------------------------------------------------------------------*/ /* * GET POINTER TO STRUCTURE usb_device @@ -3472,9 +3437,7 @@ if ((unsigned long int)pusb_device1 != (unsigned long int)pusb_device) { JOT(4, "ERROR: pusb_device1 != pusb_device\n"); return -EFAULT; } - JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations); - /*---------------------------------------------------------------------------*/ pusb_host_interface = pusb_interface->cur_altsetting; if (NULL == pusb_host_interface) { @@ -3553,9 +3516,6 @@ JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n", \ * * THE POINTER peasycap TO THE struct easycap IS REMEMBERED WHEN * INTERFACES 1 AND 2 ARE PROBED. - * - * IF TWO EasyCAPs ARE PLUGGED IN NEARLY SIMULTANEOUSLY THERE WILL - * BE TROUBLE. BEWARE. */ /*---------------------------------------------------------------------------*/ if (0 == bInterfaceNumber) { @@ -3580,6 +3540,7 @@ if (0 == bInterfaceNumber) { * PERFORM URGENT INTIALIZATIONS ... */ /*---------------------------------------------------------------------------*/ + peasycap->minor = -1; strcpy(&peasycap->telltale[0], TELLTALE); kref_init(&peasycap->kref); JOM(8, "intf[%i]: after kref_init(..._video) " \ @@ -3588,29 +3549,43 @@ if (0 == bInterfaceNumber) { init_waitqueue_head(&peasycap->wq_video); init_waitqueue_head(&peasycap->wq_audio); + init_waitqueue_head(&peasycap->wq_trigger); - for (dongle_this = 0; dongle_this < DONGLE_MANY; dongle_this++) { - if (NULL == easycap_dongle[dongle_this].peasycap) { - if (0 == mutex_is_locked(&easycap_dongle\ - [dongle_this].mutex_video)) { - if (0 == mutex_is_locked(&easycap_dongle\ - [dongle_this].mutex_audio)) { - easycap_dongle\ - [dongle_this].peasycap = \ - peasycap; - JOM(8, "intf[%i]: peasycap-->easycap" \ + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot down mutex_dongle\n"); + return -ERESTARTSYS; + } else { +/*---------------------------------------------------------------------------*/ + /* + * FOR INTERFACES 1 AND 2 THE POINTER peasycap WILL NEED TO + * TO BE THE SAME AS THAT ALLOCATED NOW FOR INTERFACE 0. + * + * NORMALLY ndong WILL NOT HAVE CHANGED SINCE INTERFACE 0 WAS + * PROBED, BUT THIS MAY NOT BE THE CASE IF, FOR EXAMPLE, TWO + * EASYCAPs ARE PLUGGED IN SIMULTANEOUSLY. + */ +/*---------------------------------------------------------------------------*/ + for (ndong = 0; ndong < DONGLE_MANY; ndong++) { + if ((NULL == easycapdc60_dongle[ndong].peasycap) && \ + (!mutex_is_locked(&easycapdc60_dongle\ + [ndong].mutex_video)) && \ + (!mutex_is_locked(&easycapdc60_dongle\ + [ndong].mutex_audio))) { + easycapdc60_dongle[ndong].peasycap = peasycap; + peasycap->isdongle = ndong; + JOM(8, "intf[%i]: peasycap-->easycap" \ "_dongle[%i].peasycap\n", \ - bInterfaceNumber, dongle_this); - break; - } + bInterfaceNumber, ndong); + break; } } + if (DONGLE_MANY <= ndong) { + SAM("ERROR: too many dongles\n"); + mutex_unlock(&mutex_dongle); + return -ENOMEM; + } + mutex_unlock(&mutex_dongle); } - if (DONGLE_MANY <= dongle_this) { - SAM("ERROR: too many dongles\n"); - return -ENOMEM; - } - peasycap->allocation_video_struct = sizeof(struct easycap); peasycap->allocation_video_page = 0; peasycap->allocation_video_urb = 0; @@ -3778,26 +3753,56 @@ if (0 == bInterfaceNumber) { JOM(4, "finished initialization\n"); } else { /*---------------------------------------------------------------------------*/ - /* - * FOR INTERFACES 1 AND 2 THE POINTER peasycap IS OBTAINED BY ASSUMING - * THAT dongle_this HAS NOT CHANGED SINCE INTERFACE 0 WAS PROBED. IF - * THIS IS NOT THE CASE, FOR EXAMPLE WHEN TWO EASYCAPs ARE PLUGGED IN - * SIMULTANEOUSLY, THERE WILL BE SERIOUS TROUBLE. - */ +/* + * FIXME + * + * IDENTIFY THE APPROPRIATE POINTER peasycap FOR INTERFACES 1 AND 2. + * THE ADDRESS OF peasycap->pusb_device IS RELUCTANTLY USED FOR THIS PURPOSE. + */ /*---------------------------------------------------------------------------*/ - if ((0 > dongle_this) || (DONGLE_MANY <= dongle_this)) { - SAY("ERROR: bad dongle count\n"); - return -EFAULT; + for (ndong = 0; ndong < DONGLE_MANY; ndong++) { + if (pusb_device == easycapdc60_dongle[ndong].peasycap->\ + pusb_device) { + peasycap = easycapdc60_dongle[ndong].peasycap; + JOT(8, "intf[%i]: easycapdc60_dongle[%i].peasycap-->" \ + "peasycap\n", bInterfaceNumber, ndong); + break; + } } - peasycap = easycap_dongle[dongle_this].peasycap; - JOT(8, "intf[%i]: easycap_dongle[%i].peasycap-->peasycap\n", \ - bInterfaceNumber, dongle_this); - - if ((struct easycap *)NULL == peasycap) { + if (DONGLE_MANY <= ndong) { + SAY("ERROR: peasycap is unknown when probing interface %i\n", \ + bInterfaceNumber); + return -ENODEV; + } + if (NULL == peasycap) { SAY("ERROR: peasycap is NULL when probing interface %i\n", \ bInterfaceNumber); - return -EFAULT; + return -ENODEV; } +#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) +# +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +#else +#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) +/*---------------------------------------------------------------------------*/ +/* + * SOME VERSIONS OF THE videodev MODULE OVERWRITE THE DATA WHICH HAS + * BEEN WRITTEN BY THE CALL TO usb_set_intfdata() IN easycap_usb_probe(), + * REPLACING IT WITH A POINTER TO THE EMBEDDED v4l2_device STRUCTURE. + * TO DETECT THIS, THE STRING IN THE easycap.telltale[] BUFFER IS CHECKED. +*/ +/*---------------------------------------------------------------------------*/ + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + pv4l2_device = usb_get_intfdata(pusb_interface); + if ((struct v4l2_device *)NULL == pv4l2_device) { + SAY("ERROR: pv4l2_device is NULL\n"); + return -ENODEV; + } + peasycap = (struct easycap *) \ + container_of(pv4l2_device, struct easycap, v4l2_device); + } +#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ +#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ } /*---------------------------------------------------------------------------*/ if ((USB_CLASS_VIDEO == bInterfaceClass) || \ @@ -4368,6 +4373,7 @@ case 0: { } else { (peasycap->registered_video)++; SAM("easycap attached to minor #%d\n", pusb_interface->minor); + peasycap->minor = pusb_interface->minor; break; } /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ @@ -4383,7 +4389,7 @@ case 0: { } /*---------------------------------------------------------------------------*/ /* - * FIXME + * FIXME * * * THIS IS BELIEVED TO BE HARMLESS, BUT MAY WELL BE UNNECESSARY OR WRONG: @@ -4414,9 +4420,11 @@ case 0: { (peasycap->registered_video)++; SAM("registered with videodev: %i=minor\n", \ peasycap->video_device.minor); + peasycap->minor = peasycap->video_device.minor; } #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + break; } /*--------------------------------------------------------------------------*/ @@ -4426,8 +4434,11 @@ case 0: { */ /*--------------------------------------------------------------------------*/ case 1: { +#if defined(EASYCAP_SILENT) + return -ENOENT; +#endif /*EASYCAP_SILENT*/ if (!peasycap) { - SAM("ERROR: peasycap is NULL\n"); + SAM("MISTAKE: peasycap is NULL\n"); return -EFAULT; } /*--------------------------------------------------------------------------*/ @@ -4442,6 +4453,9 @@ case 1: { } /*--------------------------------------------------------------------------*/ case 2: { +#if defined(EASYCAP_SILENT) + return -ENOENT; +#endif /*EASYCAP_SILENT*/ if (!peasycap) { SAM("MISTAKE: peasycap is NULL\n"); return -EFAULT; @@ -4467,14 +4481,14 @@ case 2: { } if (9 == peasycap->audio_isoc_maxframesize) { peasycap->ilk |= 0x02; - SAM("hardware is FOUR-CVBS\n"); + SAM("audio hardware is microphone\n"); peasycap->microphone = true; - peasycap->audio_pages_per_fragment = 4; + peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT; } else if (256 == peasycap->audio_isoc_maxframesize) { peasycap->ilk &= ~0x02; - SAM("hardware is CVBS+S-VIDEO\n"); + SAM("audio hardware is AC'97\n"); peasycap->microphone = false; - peasycap->audio_pages_per_fragment = 4; + peasycap->audio_pages_per_fragment = PAGES_PER_AUDIO_FRAGMENT; } else { SAM("hardware is unidentified:\n"); SAM("%i=audio_isoc_maxframesize\n", \ @@ -4496,7 +4510,7 @@ case 2: { JOM(4, "%6i=audio_buffer_page_many\n", \ peasycap->audio_buffer_page_many); - peasycap->audio_isoc_framesperdesc = 128; + peasycap->audio_isoc_framesperdesc = AUDIO_ISOC_FRAMESPERDESC; JOM(4, "%i=audio_isoc_framesperdesc\n", \ peasycap->audio_isoc_framesperdesc); @@ -4548,6 +4562,7 @@ case 2: { INIT_LIST_HEAD(&(peasycap->urb_audio_head)); peasycap->purb_audio_head = &(peasycap->urb_audio_head); +#if !defined(EASYCAP_NEEDS_ALSA) JOM(4, "allocating an audio buffer\n"); JOM(4, ".... scattered over %i pages\n", \ peasycap->audio_buffer_page_many); @@ -4572,6 +4587,7 @@ case 2: { peasycap->audio_fill = 0; peasycap->audio_read = 0; JOM(4, "allocation of audio buffer done: %i pages\n", k); +#endif /*!EASYCAP_NEEDS_ALSA*/ /*---------------------------------------------------------------------------*/ JOM(4, "allocating %i isoc audio buffers of size %i\n", \ AUDIO_ISOC_BUFFER_MANY, peasycap->audio_isoc_buffer_size); @@ -4646,7 +4662,11 @@ case 2: { "peasycap->audio_isoc_buffer[.].pgo;\n"); JOM(4, " purb->transfer_buffer_length = %i;\n", \ peasycap->audio_isoc_buffer_size); - JOM(4, " purb->complete = easysnd_complete;\n"); +#if defined(EASYCAP_NEEDS_ALSA) + JOM(4, " purb->complete = easycap_alsa_complete;\n"); +#else + JOM(4, " purb->complete = easyoss_complete;\n"); +#endif /*EASYCAP_NEEDS_ALSA*/ JOM(4, " purb->context = peasycap;\n"); JOM(4, " purb->start_frame = 0;\n"); JOM(4, " purb->number_of_packets = %i;\n", \ @@ -4669,7 +4689,11 @@ case 2: { purb->transfer_buffer = peasycap->audio_isoc_buffer[k].pgo; purb->transfer_buffer_length = \ peasycap->audio_isoc_buffer_size; - purb->complete = easysnd_complete; +#if defined(EASYCAP_NEEDS_ALSA) + purb->complete = easycap_alsa_complete; +#else + purb->complete = easyoss_complete; +#endif /*EASYCAP_NEEDS_ALSA*/ purb->context = peasycap; purb->start_frame = 0; purb->number_of_packets = peasycap->audio_isoc_framesperdesc; @@ -4692,9 +4716,24 @@ case 2: { * THE AUDIO DEVICE CAN BE REGISTERED NOW, AS IT IS READY. */ /*---------------------------------------------------------------------------*/ - rc = usb_register_dev(pusb_interface, &easysnd_class); +#if defined(EASYCAP_NEEDS_ALSA) + JOM(4, "initializing ALSA card\n"); + + rc = easycap_alsa_probe(peasycap); + if (0 != rc) { + err("easycap_alsa_probe() returned %i\n", rc); + return -ENODEV; + } else { + JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",\ + (int)peasycap->kref.refcount.counter); + kref_get(&peasycap->kref); + (peasycap->registered_audio)++; + } + +#else /*EASYCAP_NEEDS_ALSA*/ + rc = usb_register_dev(pusb_interface, &easyoss_class); if (0 != rc) { - err("Not able to get a minor for this device."); + SAY("ERROR: usb_register_dev() failed\n"); usb_set_intfdata(pusb_interface, NULL); return -ENODEV; } else { @@ -4708,7 +4747,9 @@ case 2: { * LET THE USER KNOW WHAT NODE THE AUDIO DEVICE IS ATTACHED TO. */ /*---------------------------------------------------------------------------*/ - SAM("easysnd attached to minor #%d\n", pusb_interface->minor); + SAM("easyoss attached to minor #%d\n", pusb_interface->minor); +#endif /*EASYCAP_NEEDS_ALSA*/ + break; } /*---------------------------------------------------------------------------*/ @@ -4721,7 +4762,7 @@ default: { return -EINVAL; } } -JOM(4, "ends successfully for interface %i\n", \ +SAM("ends successfully for interface %i\n", \ pusb_interface_descriptor->bInterfaceNumber); return 0; } @@ -4730,6 +4771,8 @@ return 0; /* * WHEN THIS FUNCTION IS CALLED THE EasyCAP HAS ALREADY BEEN PHYSICALLY * UNPLUGGED. HENCE peasycap->pusb_device IS NO LONGER VALID. + * + * THIS FUNCTION AFFECTS BOTH OSS AND ALSA. BEWARE. */ /*---------------------------------------------------------------------------*/ void @@ -4881,14 +4924,15 @@ switch (bInterfaceNumber) { case 0: { if (0 <= kd && DONGLE_MANY > kd) { wake_up_interruptible(&peasycap->wq_video); - JOM(4, "about to lock easycap_dongle[%i].mutex_video\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].\ + JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n", \ + kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].\ mutex_video)) { - SAY("ERROR: cannot lock easycap_dongle[%i]." \ + SAY("ERROR: cannot lock easycapdc60_dongle[%i]." \ "mutex_video\n", kd); return; } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd); } else SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); /*---------------------------------------------------------------------------*/ @@ -4907,7 +4951,7 @@ case 0: { if (!peasycap->v4l2_device.name[0]) { SAM("ERROR: peasycap->v4l2_device.name is empty\n"); if (0 <= kd && DONGLE_MANY > kd) - mutex_unlock(&easycap_dongle[kd].mutex_video); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); return; } v4l2_device_disconnect(&peasycap->v4l2_device); @@ -4924,34 +4968,47 @@ case 0: { /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&easycap_dongle[kd].mutex_video); - JOM(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd); } break; } case 2: { if (0 <= kd && DONGLE_MANY > kd) { wake_up_interruptible(&peasycap->wq_audio); - JOM(4, "about to lock easycap_dongle[%i].mutex_audio\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].\ + JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n", \ + kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].\ mutex_audio)) { - SAY("ERROR: cannot lock easycap_dongle[%i]." \ + SAY("ERROR: cannot lock easycapdc60_dongle[%i]." \ "mutex_audio\n", kd); return; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd); } else SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); +#if defined(EASYCAP_NEEDS_ALSA) - usb_deregister_dev(pusb_interface, &easysnd_class); - (peasycap->registered_audio)--; + + if (0 != snd_card_free(peasycap->psnd_card)) { + SAY("ERROR: snd_card_free() failed\n"); + } else { + peasycap->psnd_card = (struct snd_card *)NULL; + (peasycap->registered_audio)--; + } + + +#else /*EASYCAP_NEEDS_ALSA*/ + usb_deregister_dev(pusb_interface, &easyoss_class); + (peasycap->registered_audio)--; JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber); - SAM("easysnd detached from minor #%d\n", minor); + SAM("easyoss detached from minor #%d\n", minor); +#endif /*EASYCAP_NEEDS_ALSA*/ if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); - JOM(4, "unlocked easycap_dongle[%i].mutex_audio\n", kd); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); + JOM(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd); } break; } @@ -4961,6 +5018,7 @@ default: /*---------------------------------------------------------------------------*/ /* * CALL easycap_delete() IF NO REMAINING REFERENCES TO peasycap + * (ALSO WHEN ALSA HAS BEEN IN USE) */ /*---------------------------------------------------------------------------*/ if (!peasycap->kref.refcount.counter) { @@ -4970,32 +5028,34 @@ if (!peasycap->kref.refcount.counter) { return; } if (0 <= kd && DONGLE_MANY > kd) { - JOM(4, "about to lock easycap_dongle[%i].mutex_video\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_video)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_video\n", kd); + JOM(4, "about to lock easycapdc60_dongle[%i].mutex_video\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) { + SAY("ERROR: cannot down " + "easycapdc60_dongle[%i].mutex_video\n", kd); SAM("ending unsuccessfully: may cause memory leak\n"); return; } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); - JOM(4, "about to lock easycap_dongle[%i].mutex_audio\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_audio)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_audio\n", kd); - mutex_unlock(&(easycap_dongle[kd].mutex_video)); - JOM(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd); + JOM(4, "about to lock easycapdc60_dongle[%i].mutex_audio\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) { + SAY("ERROR: cannot down " + "easycapdc60_dongle[%i].mutex_audio\n", kd); + mutex_unlock(&(easycapdc60_dongle[kd].mutex_video)); + JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd); SAM("ending unsuccessfully: may cause memory leak\n"); return; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd); } JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n", \ bInterfaceNumber, (int)peasycap->kref.refcount.counter); kref_put(&peasycap->kref, easycap_delete); JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber); if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&(easycap_dongle[kd].mutex_audio)); - JOT(4, "unlocked easycap_dongle[%i].mutex_audio\n", kd); - mutex_unlock(&easycap_dongle[kd].mutex_video); - JOT(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); + mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio)); + JOT(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + JOT(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd); } /*---------------------------------------------------------------------------*/ JOM(4, "ends\n"); @@ -5005,25 +5065,31 @@ return; int __init easycap_module_init(void) { -int result; +int k, rc; SAY("========easycap=======\n"); JOT(4, "begins. %i=debug %i=bars %i=gain\n", easycap_debug, easycap_bars, \ easycap_gain); SAY("version: " EASYCAP_DRIVER_VERSION "\n"); + +mutex_init(&mutex_dongle); +for (k = 0; k < DONGLE_MANY; k++) { + easycapdc60_dongle[k].peasycap = (struct easycap *)NULL; + mutex_init(&easycapdc60_dongle[k].mutex_video); + mutex_init(&easycapdc60_dongle[k].mutex_audio); +} /*---------------------------------------------------------------------------*/ /* * REGISTER THIS DRIVER WITH THE USB SUBSYTEM. */ /*---------------------------------------------------------------------------*/ JOT(4, "registering driver easycap\n"); - -result = usb_register(&easycap_usb_driver); -if (0 != result) - SAY("ERROR: usb_register returned %i\n", result); +rc = usb_register(&easycap_usb_driver); +if (0 != rc) + SAY("ERROR: usb_register returned %i\n", rc); JOT(4, "ends\n"); -return result; +return rc; } /*****************************************************************************/ void __exit diff --git a/drivers/staging/easycap/easycap_main.h b/drivers/staging/easycap/easycap_main.h new file mode 100644 index 000000000000..11fcbbca0f0c --- /dev/null +++ b/drivers/staging/easycap/easycap_main.h @@ -0,0 +1,43 @@ +/***************************************************************************** +* * +* easycap_main.h * +* * +*****************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas + * + * + * This 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. + * + * The software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ +#if !defined(EASYCAP_MAIN_H) +#define EASYCAP_MAIN_H + +extern struct easycap_standard easycap_standard[]; +extern struct easycap_format easycap_format[]; +extern struct v4l2_queryctrl easycap_control[]; +extern struct usb_driver easycap_usb_driver; +#if defined(EASYCAP_NEEDS_ALSA) +extern struct snd_pcm_ops easycap_alsa_ops; +extern struct snd_pcm_hardware easycap_pcm_hardware; +extern struct snd_card *psnd_card; +#else +extern struct usb_class_driver easyoss_class; +extern const struct file_operations easyoss_fops; +#endif /*EASYCAP_NEEDS_ALSA*/ + +#endif /*EASYCAP_MAIN_H*/ diff --git a/drivers/staging/easycap/easycap_settings.c b/drivers/staging/easycap/easycap_settings.c index df3f17d361b1..0a23e2749514 100644 --- a/drivers/staging/easycap/easycap_settings.c +++ b/drivers/staging/easycap/easycap_settings.c @@ -26,7 +26,7 @@ /*****************************************************************************/ #include "easycap.h" -#include "easycap_debug.h" +#include "easycap_settings.h" /*---------------------------------------------------------------------------*/ /* diff --git a/drivers/staging/easycap/easycap_settings.h b/drivers/staging/easycap/easycap_settings.h new file mode 100644 index 000000000000..5fe6f074425b --- /dev/null +++ b/drivers/staging/easycap/easycap_settings.h @@ -0,0 +1,34 @@ +/***************************************************************************** +* * +* easycap_settings.h * +* * +*****************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas + * + * + * This 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. + * + * The software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ +#if !defined(EASYCAP_SETTINGS_H) +#define EASYCAP_SETTINGS_H + +extern int easycap_debug; +extern int easycap_gain; +extern struct easycap_dongle easycapdc60_dongle[]; + +#endif /*EASYCAP_SETTINGS_H*/ diff --git a/drivers/staging/easycap/easycap_sound.c b/drivers/staging/easycap/easycap_sound.c index 24d8bb4e449e..0507ea19004a 100644 --- a/drivers/staging/easycap/easycap_sound.c +++ b/drivers/staging/easycap/easycap_sound.c @@ -29,9 +29,890 @@ /*****************************************************************************/ #include "easycap.h" -#include "easycap_debug.h" #include "easycap_sound.h" +#if defined(EASYCAP_NEEDS_ALSA) +/*--------------------------------------------------------------------------*/ +/* + * PARAMETERS USED WHEN REGISTERING THE AUDIO INTERFACE + */ +/*--------------------------------------------------------------------------*/ +static const struct snd_pcm_hardware alsa_hardware = { + .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_32000 | SNDRV_PCM_RATE_48000, + .rate_min = 32000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = PAGE_SIZE * PAGES_PER_AUDIO_FRAGMENT * \ + AUDIO_FRAGMENT_MANY, + .period_bytes_min = PAGE_SIZE * PAGES_PER_AUDIO_FRAGMENT, + .period_bytes_max = PAGE_SIZE * PAGES_PER_AUDIO_FRAGMENT * 2, + .periods_min = AUDIO_FRAGMENT_MANY, + .periods_max = AUDIO_FRAGMENT_MANY * 2, +}; + +static struct snd_pcm_ops easycap_alsa_pcm_ops = { + .open = easycap_alsa_open, + .close = easycap_alsa_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = easycap_alsa_hw_params, + .hw_free = easycap_alsa_hw_free, + .prepare = easycap_alsa_prepare, + .ack = easycap_alsa_ack, + .trigger = easycap_alsa_trigger, + .pointer = easycap_alsa_pointer, + .page = easycap_alsa_page, +}; + +/*****************************************************************************/ +/*---------------------------------------------------------------------------*/ +/* + * THE FUNCTION snd_card_create() HAS THIS_MODULE AS AN ARGUMENT. THIS + * MEANS MODULE easycap. BEWARE. +*/ +/*---------------------------------------------------------------------------*/ +int +easycap_alsa_probe(struct easycap *peasycap) +{ +int rc; +struct snd_card *psnd_card; +struct snd_pcm *psnd_pcm; + +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -ENODEV; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} +if (0 > peasycap->minor) { + SAY("ERROR: no minor\n"); + return -ENODEV; +} + +peasycap->alsa_hardware = alsa_hardware; +if (true == peasycap->microphone) { + peasycap->alsa_hardware.rates = SNDRV_PCM_RATE_32000; + peasycap->alsa_hardware.rate_min = 32000; + peasycap->alsa_hardware.rate_max = 32000; +} else { + peasycap->alsa_hardware.rates = SNDRV_PCM_RATE_48000; + peasycap->alsa_hardware.rate_min = 48000; + peasycap->alsa_hardware.rate_max = 48000; +} + +#if defined(EASYCAP_NEEDS_CARD_CREATE) + if (0 != snd_card_create(SNDRV_DEFAULT_IDX1, "easycap_alsa", \ + THIS_MODULE, 0, \ + &psnd_card)) { + SAY("ERROR: Cannot do ALSA snd_card_create()\n"); + return -EFAULT; + } +#else + psnd_card = snd_card_new(SNDRV_DEFAULT_IDX1, "easycap_alsa", \ + THIS_MODULE, 0); + if (NULL == psnd_card) { + SAY("ERROR: Cannot do ALSA snd_card_new()\n"); + return -EFAULT; + } +#endif /*EASYCAP_NEEDS_CARD_CREATE*/ + + sprintf(&psnd_card->id[0], "EasyALSA%i", peasycap->minor); + strcpy(&psnd_card->driver[0], EASYCAP_DRIVER_DESCRIPTION); + strcpy(&psnd_card->shortname[0], "easycap_alsa"); + sprintf(&psnd_card->longname[0], "%s", &psnd_card->shortname[0]); + + psnd_card->dev = &peasycap->pusb_device->dev; + psnd_card->private_data = peasycap; + peasycap->psnd_card = psnd_card; + + rc = snd_pcm_new(psnd_card, "easycap_pcm", 0, 0, 1, &psnd_pcm); + if (0 != rc) { + SAM("ERROR: Cannot do ALSA snd_pcm_new()\n"); + snd_card_free(psnd_card); + return -EFAULT; + } + + snd_pcm_set_ops(psnd_pcm, SNDRV_PCM_STREAM_CAPTURE, \ + &easycap_alsa_pcm_ops); + psnd_pcm->info_flags = 0; + strcpy(&psnd_pcm->name[0], &psnd_card->id[0]); + psnd_pcm->private_data = peasycap; + peasycap->psnd_pcm = psnd_pcm; + peasycap->psubstream = (struct snd_pcm_substream *)NULL; + + rc = snd_card_register(psnd_card); + if (0 != rc) { + SAM("ERROR: Cannot do ALSA snd_card_register()\n"); + snd_card_free(psnd_card); + return -EFAULT; + } else { + ; + SAM("registered %s\n", &psnd_card->id[0]); + } +return 0; +} +/*****************************************************************************/ +/*---------------------------------------------------------------------------*/ +/* + * ON COMPLETION OF AN AUDIO URB ITS DATA IS COPIED TO THE DAM BUFFER + * PROVIDED peasycap->audio_idle IS ZERO. REGARDLESS OF THIS BEING TRUE, + * IT IS RESUBMITTED PROVIDED peasycap->audio_isoc_streaming IS NOT ZERO. + */ +/*---------------------------------------------------------------------------*/ +void +easycap_alsa_complete(struct urb *purb) +{ +struct easycap *peasycap; +struct snd_pcm_substream *pss; +struct snd_pcm_runtime *prt; +int dma_bytes, fragment_bytes; +int isfragment; +__u8 *p1, *p2; +__s16 s16; +int i, j, more, much, rc; +#if defined(UPSAMPLE) +int k; +__s16 oldaudio, newaudio, delta; +#endif /*UPSAMPLE*/ + +JOT(16, "\n"); + +if (NULL == purb) { + SAY("ERROR: purb is NULL\n"); + return; +} +peasycap = purb->context; +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return; +} +much = 0; +if (peasycap->audio_idle) { + JOM(16, "%i=audio_idle %i=audio_isoc_streaming\n", \ + peasycap->audio_idle, peasycap->audio_isoc_streaming); + if (peasycap->audio_isoc_streaming) + goto resubmit; +} +/*---------------------------------------------------------------------------*/ +pss = peasycap->psubstream; +if (NULL == pss) + goto resubmit; +prt = pss->runtime; +if (NULL == prt) + goto resubmit; +dma_bytes = (int)prt->dma_bytes; +if (0 == dma_bytes) + goto resubmit; +fragment_bytes = 4 * ((int)prt->period_size); +if (0 == fragment_bytes) + goto resubmit; +/* -------------------------------------------------------------------------*/ +if (purb->status) { + if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) { + JOM(16, "urb status -ESHUTDOWN or -ENOENT\n"); + return; + } + SAM("ERROR: non-zero urb status:\n"); + switch (purb->status) { + case -EINPROGRESS: { + SAM("-EINPROGRESS\n"); + break; + } + case -ENOSR: { + SAM("-ENOSR\n"); + break; + } + case -EPIPE: { + SAM("-EPIPE\n"); + break; + } + case -EOVERFLOW: { + SAM("-EOVERFLOW\n"); + break; + } + case -EPROTO: { + SAM("-EPROTO\n"); + break; + } + case -EILSEQ: { + SAM("-EILSEQ\n"); + break; + } + case -ETIMEDOUT: { + SAM("-ETIMEDOUT\n"); + break; + } + case -EMSGSIZE: { + SAM("-EMSGSIZE\n"); + break; + } + case -EOPNOTSUPP: { + SAM("-EOPNOTSUPP\n"); + break; + } + case -EPFNOSUPPORT: { + SAM("-EPFNOSUPPORT\n"); + break; + } + case -EAFNOSUPPORT: { + SAM("-EAFNOSUPPORT\n"); + break; + } + case -EADDRINUSE: { + SAM("-EADDRINUSE\n"); + break; + } + case -EADDRNOTAVAIL: { + SAM("-EADDRNOTAVAIL\n"); + break; + } + case -ENOBUFS: { + SAM("-ENOBUFS\n"); + break; + } + case -EISCONN: { + SAM("-EISCONN\n"); + break; + } + case -ENOTCONN: { + SAM("-ENOTCONN\n"); + break; + } + case -ESHUTDOWN: { + SAM("-ESHUTDOWN\n"); + break; + } + case -ENOENT: { + SAM("-ENOENT\n"); + break; + } + case -ECONNRESET: { + SAM("-ECONNRESET\n"); + break; + } + case -ENOSPC: { + SAM("ENOSPC\n"); + break; + } + default: { + SAM("unknown error: %i\n", purb->status); + break; + } + } + goto resubmit; +} +/*---------------------------------------------------------------------------*/ +/* + * PROCEED HERE WHEN NO ERROR + */ +/*---------------------------------------------------------------------------*/ + +#if defined(UPSAMPLE) +oldaudio = peasycap->oldaudio; +#endif /*UPSAMPLE*/ + +for (i = 0; i < purb->number_of_packets; i++) { + switch (purb->iso_frame_desc[i].status) { + case 0: { + break; + } + case -ENOENT: { + SAM("-ENOENT\n"); + break; + } + case -EINPROGRESS: { + SAM("-EINPROGRESS\n"); + break; + } + case -EPROTO: { + SAM("-EPROTO\n"); + break; + } + case -EILSEQ: { + SAM("-EILSEQ\n"); + break; + } + case -ETIME: { + SAM("-ETIME\n"); + break; + } + case -ETIMEDOUT: { + SAM("-ETIMEDOUT\n"); + break; + } + case -EPIPE: { + SAM("-EPIPE\n"); + break; + } + case -ECOMM: { + SAM("-ECOMM\n"); + break; + } + case -ENOSR: { + SAM("-ENOSR\n"); + break; + } + case -EOVERFLOW: { + SAM("-EOVERFLOW\n"); + break; + } + case -EREMOTEIO: { + SAM("-EREMOTEIO\n"); + break; + } + case -ENODEV: { + SAM("-ENODEV\n"); + break; + } + case -EXDEV: { + SAM("-EXDEV\n"); + break; + } + case -EINVAL: { + SAM("-EINVAL\n"); + break; + } + case -ECONNRESET: { + SAM("-ECONNRESET\n"); + break; + } + case -ENOSPC: { + SAM("-ENOSPC\n"); + break; + } + case -ESHUTDOWN: { + SAM("-ESHUTDOWN\n"); + break; + } + case -EPERM: { + SAM("-EPERM\n"); + break; + } + default: { + SAM("unknown error: %i\n", purb->iso_frame_desc[i].status); + break; + } + } + if (!purb->iso_frame_desc[i].status) { + more = purb->iso_frame_desc[i].actual_length; + if (!more) + peasycap->audio_mt++; + else { + if (peasycap->audio_mt) { + JOM(12, "%4i empty audio urb frames\n", \ + peasycap->audio_mt); + peasycap->audio_mt = 0; + } + + p1 = (__u8 *)(purb->transfer_buffer + \ + purb->iso_frame_desc[i].offset); + +/*---------------------------------------------------------------------------*/ +/* + * COPY more BYTES FROM ISOC BUFFER TO THE DMA BUFFER, + * CONVERTING 8-BIT MONO TO 16-BIT SIGNED LITTLE-ENDIAN SAMPLES IF NECESSARY + */ +/*---------------------------------------------------------------------------*/ + while (more) { + if (0 > more) { + SAM("MISTAKE: more is negative\n"); + return; + } + much = dma_bytes - peasycap->dma_fill; + if (0 > much) { + SAM("MISTAKE: much is negative\n"); + return; + } + if (0 == much) { + peasycap->dma_fill = 0; + peasycap->dma_next = fragment_bytes; + JOM(8, "wrapped dma buffer\n"); + } + if (false == peasycap->microphone) { + if (much > more) + much = more; + memcpy(prt->dma_area + \ + peasycap->dma_fill, \ + p1, much); + p1 += much; + more -= much; + } else { +#if defined(UPSAMPLE) + if (much % 16) + JOM(8, "MISTAKE? much" \ + " is not divisible by 16\n"); + if (much > (16 * \ + more)) + much = 16 * \ + more; + p2 = (__u8 *)(prt->dma_area + \ + peasycap->dma_fill); + + for (j = 0; j < (much/16); j++) { + newaudio = ((int) *p1) - 128; + newaudio = 128 * \ + newaudio; + + delta = (newaudio - oldaudio) \ + / 4; + s16 = oldaudio + delta; + + for (k = 0; k < 4; k++) { + *p2 = (0x00FF & s16); + *(p2 + 1) = (0xFF00 & \ + s16) >> 8; + p2 += 2; + *p2 = (0x00FF & s16); + *(p2 + 1) = (0xFF00 & \ + s16) >> 8; + p2 += 2; + s16 += delta; + } + p1++; + more--; + oldaudio = s16; + } +#else /*!UPSAMPLE*/ + if (much > (2 * more)) + much = 2 * more; + p2 = (__u8 *)(prt->dma_area + \ + peasycap->dma_fill); + + for (j = 0; j < (much / 2); j++) { + s16 = ((int) *p1) - 128; + s16 = 128 * \ + s16; + *p2 = (0x00FF & s16); + *(p2 + 1) = (0xFF00 & s16) >> \ + 8; + p1++; p2 += 2; + more--; + } +#endif /*UPSAMPLE*/ + } + peasycap->dma_fill += much; + if (peasycap->dma_fill >= peasycap->dma_next) { + isfragment = peasycap->dma_fill / \ + fragment_bytes; + if (0 > isfragment) { + SAM("MISTAKE: isfragment is " \ + "negative\n"); + return; + } + peasycap->dma_read = (isfragment \ + - 1) * fragment_bytes; + peasycap->dma_next = (isfragment \ + + 1) * fragment_bytes; + if (dma_bytes < peasycap->dma_next) { + peasycap->dma_next = \ + fragment_bytes; + } + if (0 <= peasycap->dma_read) { + JOM(8, "snd_pcm_period_elap" \ + "sed(), %i=" \ + "isfragment\n", \ + isfragment); + snd_pcm_period_elapsed(pss); + } + } + } + } + } else { + JOM(12, "discarding audio samples because " \ + "%i=purb->iso_frame_desc[i].status\n", \ + purb->iso_frame_desc[i].status); + } + +#if defined(UPSAMPLE) +peasycap->oldaudio = oldaudio; +#endif /*UPSAMPLE*/ + +} +/*---------------------------------------------------------------------------*/ +/* + * RESUBMIT THIS URB + */ +/*---------------------------------------------------------------------------*/ +resubmit: +if (peasycap->audio_isoc_streaming) { + rc = usb_submit_urb(purb, GFP_ATOMIC); + if (0 != rc) { + if ((-ENODEV != rc) && (-ENOENT != rc)) { + SAM("ERROR: while %i=audio_idle, " \ + "usb_submit_urb() failed " \ + "with rc:\n", peasycap->audio_idle); + } + switch (rc) { + case -ENODEV: + case -ENOENT: + break; + case -ENOMEM: { + SAM("-ENOMEM\n"); + break; + } + case -ENXIO: { + SAM("-ENXIO\n"); + break; + } + case -EINVAL: { + SAM("-EINVAL\n"); + break; + } + case -EAGAIN: { + SAM("-EAGAIN\n"); + break; + } + case -EFBIG: { + SAM("-EFBIG\n"); + break; + } + case -EPIPE: { + SAM("-EPIPE\n"); + break; + } + case -EMSGSIZE: { + SAM("-EMSGSIZE\n"); + break; + } + case -ENOSPC: { + SAM("-ENOSPC\n"); + break; + } + case -EPERM: { + SAM("-EPERM\n"); + break; + } + default: { + SAM("unknown error: %i\n", rc); + break; + } + } + if (0 < peasycap->audio_isoc_streaming) + (peasycap->audio_isoc_streaming)--; + } +} +return; +} +/*****************************************************************************/ +int +easycap_alsa_open(struct snd_pcm_substream *pss) +{ +struct snd_pcm *psnd_pcm; +struct snd_card *psnd_card; +struct easycap *peasycap; + +JOT(4, "\n"); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +psnd_pcm = pss->pcm; +if (NULL == psnd_pcm) { + SAY("ERROR: psnd_pcm is NULL\n"); + return -EFAULT; +} +psnd_card = psnd_pcm->card; +if (NULL == psnd_card) { + SAY("ERROR: psnd_card is NULL\n"); + return -EFAULT; +} + +peasycap = psnd_card->private_data; +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} +if (peasycap->psnd_card != psnd_card) { + SAM("ERROR: bad peasycap->psnd_card\n"); + return -EFAULT; +} +if (NULL != peasycap->psubstream) { + SAM("ERROR: bad peasycap->psubstream\n"); + return -EFAULT; +} +pss->private_data = peasycap; +peasycap->psubstream = pss; +pss->runtime->hw = peasycap->alsa_hardware; +pss->runtime->private_data = peasycap; +pss->private_data = peasycap; + +if (0 != easycap_sound_setup(peasycap)) { + JOM(4, "ending unsuccessfully\n"); + return -EFAULT; +} +JOM(4, "ending successfully\n"); +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_close(struct snd_pcm_substream *pss) +{ +struct easycap *peasycap; + +JOT(4, "\n"); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +peasycap = snd_pcm_substream_chip(pss); +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} +pss->private_data = NULL; +peasycap->psubstream = (struct snd_pcm_substream *)NULL; +JOT(4, "ending successfully\n"); +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_hw_params(struct snd_pcm_substream *pss, \ + struct snd_pcm_hw_params *phw) +{ +int rc; + +JOT(4, "%i\n", (params_buffer_bytes(phw))); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +rc = easycap_alsa_vmalloc(pss, params_buffer_bytes(phw)); +if (0 != rc) + return rc; +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_vmalloc(struct snd_pcm_substream *pss, size_t sz) +{ +struct snd_pcm_runtime *prt; +JOT(4, "\n"); + +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +prt = pss->runtime; +if (NULL == prt) { + SAY("ERROR: substream.runtime is NULL\n"); + return -EFAULT; +} +if (prt->dma_area) { + if (prt->dma_bytes > sz) + return 0; + vfree(prt->dma_area); +} +prt->dma_area = vmalloc(sz); +if (NULL == prt->dma_area) + return -ENOMEM; +prt->dma_bytes = sz; +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_hw_free(struct snd_pcm_substream *pss) +{ +struct snd_pcm_runtime *prt; +JOT(4, "\n"); + +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +prt = pss->runtime; +if (NULL == prt) { + SAY("ERROR: substream.runtime is NULL\n"); + return -EFAULT; +} +if (NULL != prt->dma_area) { + JOT(8, "0x%08lX=prt->dma_area\n", (unsigned long int)prt->dma_area); + vfree(prt->dma_area); + prt->dma_area = NULL; +} else + JOT(8, "dma_area already freed\n"); +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_prepare(struct snd_pcm_substream *pss) +{ +struct easycap *peasycap; +struct snd_pcm_runtime *prt; + +JOT(4, "\n"); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +prt = pss->runtime; +peasycap = snd_pcm_substream_chip(pss); +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} + +JOM(16, "ALSA decides %8i Hz=rate\n", (int)pss->runtime->rate); +JOM(16, "ALSA decides %8i =period_size\n", (int)pss->runtime->period_size); +JOM(16, "ALSA decides %8i =periods\n", (int)pss->runtime->periods); +JOM(16, "ALSA decides %8i =buffer_size\n", (int)pss->runtime->buffer_size); +JOM(16, "ALSA decides %8i =dma_bytes\n", (int)pss->runtime->dma_bytes); +JOM(16, "ALSA decides %8i =boundary\n", (int)pss->runtime->boundary); +JOM(16, "ALSA decides %8i =period_step\n", (int)pss->runtime->period_step); +JOM(16, "ALSA decides %8i =sample_bits\n", (int)pss->runtime->sample_bits); +JOM(16, "ALSA decides %8i =frame_bits\n", (int)pss->runtime->frame_bits); +JOM(16, "ALSA decides %8i =min_align\n", (int)pss->runtime->min_align); +JOM(12, "ALSA decides %8i =hw_ptr_base\n", (int)pss->runtime->hw_ptr_base); +JOM(12, "ALSA decides %8i =hw_ptr_interrupt\n", \ + (int)pss->runtime->hw_ptr_interrupt); +if (prt->dma_bytes != 4 * ((int)prt->period_size) * ((int)prt->periods)) { + SAY("MISTAKE: unexpected ALSA parameters\n"); + return -ENOENT; +} +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_ack(struct snd_pcm_substream *pss) +{ +return 0; +} +/*****************************************************************************/ +int +easycap_alsa_trigger(struct snd_pcm_substream *pss, int cmd) +{ +struct easycap *peasycap; +int retval; + +JOT(4, "%i=cmd cf %i=START %i=STOP\n", cmd, SNDRV_PCM_TRIGGER_START, \ + SNDRV_PCM_TRIGGER_STOP); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +peasycap = snd_pcm_substream_chip(pss); +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} + +switch (cmd) { +case SNDRV_PCM_TRIGGER_START: { + peasycap->audio_idle = 0; + break; +} +case SNDRV_PCM_TRIGGER_STOP: { + peasycap->audio_idle = 1; + break; +} +default: + retval = -EINVAL; +} +return 0; +} +/*****************************************************************************/ +snd_pcm_uframes_t +easycap_alsa_pointer(struct snd_pcm_substream *pss) +{ +struct easycap *peasycap; +snd_pcm_uframes_t offset; + +JOT(16, "\n"); +if (NULL == pss) { + SAY("ERROR: pss is NULL\n"); + return -EFAULT; +} +peasycap = snd_pcm_substream_chip(pss); +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; +} +if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap\n"); + return -EFAULT; +} +if ((0 != peasycap->audio_eof) || (0 != peasycap->audio_idle)) { + JOM(8, "returning -EIO because " \ + "%i=audio_idle %i=audio_eof\n", \ + peasycap->audio_idle, peasycap->audio_eof); + return -EIO; +} +/*---------------------------------------------------------------------------*/ +if (0 > peasycap->dma_read) { + JOM(8, "returning -EBUSY\n"); + return -EBUSY; +} +offset = ((snd_pcm_uframes_t)peasycap->dma_read)/4; +JOM(8, "ALSA decides %8i =hw_ptr_base\n", (int)pss->runtime->hw_ptr_base); +JOM(8, "ALSA decides %8i =hw_ptr_interrupt\n", \ + (int)pss->runtime->hw_ptr_interrupt); +JOM(8, "%7i=offset %7i=dma_read %7i=dma_next\n", \ + (int)offset, peasycap->dma_read, peasycap->dma_next); +return offset; +} +/*****************************************************************************/ +struct page * +easycap_alsa_page(struct snd_pcm_substream *pss, unsigned long offset) +{ +return vmalloc_to_page(pss->runtime->dma_area + offset); +} +/*****************************************************************************/ + +#else /*!EASYCAP_NEEDS_ALSA*/ + +/*****************************************************************************/ +/**************************** **************************/ +/**************************** Open Sound System **************************/ +/**************************** **************************/ +/*****************************************************************************/ +/*--------------------------------------------------------------------------*/ +/* + * PARAMETERS USED WHEN REGISTERING THE AUDIO INTERFACE + */ +/*--------------------------------------------------------------------------*/ +const struct file_operations easyoss_fops = { + .owner = THIS_MODULE, + .open = easyoss_open, + .release = easyoss_release, +#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL) + .unlocked_ioctl = easyoss_ioctl_noinode, +#else + .ioctl = easyoss_ioctl, +#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/ + .read = easyoss_read, + .llseek = no_llseek, +}; +struct usb_class_driver easyoss_class = { +.name = "usb/easyoss%d", +.fops = &easyoss_fops, +.minor_base = USB_SKEL_MINOR_BASE, +}; /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* @@ -41,7 +922,7 @@ */ /*---------------------------------------------------------------------------*/ void -easysnd_complete(struct urb *purb) +easyoss_complete(struct urb *purb) { struct easycap *peasycap; struct data_buffer *paudio_buffer; @@ -68,27 +949,26 @@ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { SAY("ERROR: bad peasycap\n"); return; } - much = 0; - if (peasycap->audio_idle) { JOM(16, "%i=audio_idle %i=audio_isoc_streaming\n", \ peasycap->audio_idle, peasycap->audio_isoc_streaming); if (peasycap->audio_isoc_streaming) { rc = usb_submit_urb(purb, GFP_ATOMIC); if (0 != rc) { - if (-ENODEV != rc) + if (-ENODEV != rc && -ENOENT != rc) { SAM("ERROR: while %i=audio_idle, " \ "usb_submit_urb() failed with rc:\n", \ peasycap->audio_idle); + } switch (rc) { + case -ENODEV: + case -ENOENT: + break; case -ENOMEM: { SAM("-ENOMEM\n"); break; } - case -ENODEV: { - break; - } case -ENXIO: { SAM("-ENXIO\n"); break; @@ -117,8 +997,12 @@ if (peasycap->audio_idle) { SAM("-ENOSPC\n"); break; } + case -EPERM: { + SAM("-EPERM\n"); + break; + } default: { - SAM("unknown error: 0x%08X\n", rc); + SAM("unknown error: %i\n", rc); break; } } @@ -214,63 +1098,16 @@ if (purb->status) { SAM("ENOSPC\n"); break; } - default: { - SAM("unknown error code 0x%08X\n", purb->status); + case -EPERM: { + SAM("-EPERM\n"); break; } + default: { + SAM("unknown error: %i\n", purb->status); + break; } -/*---------------------------------------------------------------------------*/ -/* - * RESUBMIT THIS URB AFTER AN ERROR - * - * (THIS IS DUPLICATE CODE TO REDUCE INDENTATION OF THE NO-ERROR PATH) - */ -/*---------------------------------------------------------------------------*/ - if (peasycap->audio_isoc_streaming) { - rc = usb_submit_urb(purb, GFP_ATOMIC); - if (0 != rc) { - SAM("ERROR: while %i=audio_idle, usb_submit_urb() " - "failed with rc:\n", peasycap->audio_idle); - switch (rc) { - case -ENOMEM: { - SAM("-ENOMEM\n"); - break; - } - case -ENODEV: { - SAM("-ENODEV\n"); - break; - } - case -ENXIO: { - SAM("-ENXIO\n"); - break; - } - case -EINVAL: { - SAM("-EINVAL\n"); - break; - } - case -EAGAIN: { - SAM("-EAGAIN\n"); - break; - } - case -EFBIG: { - SAM("-EFBIG\n"); - break; - } - case -EPIPE: { - SAM("-EPIPE\n"); - break; - } - case -EMSGSIZE: { - SAM("-EMSGSIZE\n"); - break; - } - default: { - SAM("0x%08X\n", rc); break; - } - } - } } - return; + goto resubmit; } /*---------------------------------------------------------------------------*/ /* @@ -286,6 +1123,10 @@ for (i = 0; i < purb->number_of_packets; i++) { case 0: { break; } + case -ENODEV: { + SAM("-ENODEV\n"); + break; + } case -ENOENT: { SAM("-ENOENT\n"); break; @@ -330,10 +1171,6 @@ for (i = 0; i < purb->number_of_packets; i++) { SAM("-EREMOTEIO\n"); break; } - case -ENODEV: { - SAM("-ENODEV\n"); - break; - } case -EXDEV: { SAM("-EXDEV\n"); break; @@ -354,8 +1191,12 @@ for (i = 0; i < purb->number_of_packets; i++) { SAM("-ESHUTDOWN\n"); break; } + case -EPERM: { + SAM("-EPERM\n"); + break; + } default: { - SAM("unknown error:0x%08X\n", purb->iso_frame_desc[i].status); + SAM("unknown error: %i\n", purb->iso_frame_desc[i].status); break; } } @@ -371,7 +1212,7 @@ for (i = 0; i < purb->number_of_packets; i++) { peasycap->audio_mt++; else { if (peasycap->audio_mt) { - JOM(16, "%4i empty audio urb frames\n", \ + JOM(12, "%4i empty audio urb frames\n", \ peasycap->audio_mt); peasycap->audio_mt = 0; } @@ -390,8 +1231,7 @@ for (i = 0; i < purb->number_of_packets; i++) { /*---------------------------------------------------------------------------*/ while (more) { if (0 > more) { - SAM("easysnd_complete: MISTAKE: " \ - "more is negative\n"); + SAM("MISTAKE: more is negative\n"); return; } if (peasycap->audio_buffer_page_many <= \ @@ -412,7 +1252,7 @@ for (i = 0; i < purb->number_of_packets; i++) { paudio_buffer->pgo)) { #if defined(TESTTONE) - easysnd_testtone(peasycap, \ + easyoss_testtone(peasycap, \ peasycap->audio_fill); #endif /*TESTTONE*/ @@ -424,7 +1264,7 @@ for (i = 0; i < purb->number_of_packets; i++) { peasycap->audio_fill) peasycap->audio_fill = 0; - JOM(12, "bumped peasycap->" \ + JOM(8, "bumped peasycap->" \ "audio_fill to %i\n", \ peasycap->audio_fill); @@ -497,7 +1337,7 @@ for (i = 0; i < purb->number_of_packets; i++) { more--; oldaudio = s16; } -#else +#else /*!UPSAMPLE*/ if (much > (2 * more)) much = 2 * more; p2 = (__u8 *)paudio_buffer->pto; @@ -530,25 +1370,26 @@ peasycap->oldaudio = oldaudio; } /*---------------------------------------------------------------------------*/ /* - * RESUBMIT THIS URB AFTER NO ERROR + * RESUBMIT THIS URB */ /*---------------------------------------------------------------------------*/ +resubmit: if (peasycap->audio_isoc_streaming) { rc = usb_submit_urb(purb, GFP_ATOMIC); if (0 != rc) { - if (-ENODEV != rc) { + if (-ENODEV != rc && -ENOENT != rc) { SAM("ERROR: while %i=audio_idle, " \ - "usb_submit_urb() failed " \ - "with rc:\n", peasycap->audio_idle); + "usb_submit_urb() failed " \ + "with rc:\n", peasycap->audio_idle); } switch (rc) { + case -ENODEV: + case -ENOENT: + break; case -ENOMEM: { SAM("-ENOMEM\n"); break; } - case -ENODEV: { - break; - } case -ENXIO: { SAM("-ENXIO\n"); break; @@ -577,8 +1418,12 @@ if (peasycap->audio_isoc_streaming) { SAM("-ENOSPC\n"); break; } + case -EPERM: { + SAM("-EPERM\n"); + break; + } default: { - SAM("unknown error: 0x%08X\n", rc); + SAM("unknown error: %i\n", rc); break; } } @@ -590,16 +1435,16 @@ return; /*---------------------------------------------------------------------------*/ /* * THE AUDIO URBS ARE SUBMITTED AT THIS EARLY STAGE SO THAT IT IS POSSIBLE TO - * STREAM FROM /dev/easysnd1 WITH SIMPLE PROGRAMS SUCH AS cat WHICH DO NOT + * STREAM FROM /dev/easyoss1 WITH SIMPLE PROGRAMS SUCH AS cat WHICH DO NOT * HAVE AN IOCTL INTERFACE. */ /*---------------------------------------------------------------------------*/ int -easysnd_open(struct inode *inode, struct file *file) +easyoss_open(struct inode *inode, struct file *file) { struct usb_interface *pusb_interface; struct easycap *peasycap; -int subminor, rc; +int subminor; /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) #if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) @@ -660,59 +1505,15 @@ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { file->private_data = peasycap; -/*---------------------------------------------------------------------------*/ -/* - * INITIALIZATION - */ -/*---------------------------------------------------------------------------*/ -JOM(4, "starting initialization\n"); - -if ((struct usb_device *)NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -JOM(16, "0x%08lX=peasycap->pusb_device\n", (long int)peasycap->pusb_device); - -rc = audio_setup(peasycap); -if (0 <= rc) - JOM(8, "audio_setup() returned %i\n", rc); -else - JOM(8, "easysnd open(): ERROR: audio_setup() returned %i\n", rc); - -if ((struct usb_device *)NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device has become NULL\n"); - return -ENODEV; -} -/*---------------------------------------------------------------------------*/ -if ((struct usb_device *)NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device has become NULL\n"); - return -ENODEV; +if (0 != easycap_sound_setup(peasycap)) { + ; + ; } -rc = usb_set_interface(peasycap->pusb_device, peasycap->audio_interface, \ - peasycap->audio_altsetting_on); -JOM(8, "usb_set_interface(.,%i,%i) returned %i\n", peasycap->audio_interface, \ - peasycap->audio_altsetting_on, rc); - -rc = wakeup_device(peasycap->pusb_device); -if (0 == rc) - JOM(8, "wakeup_device() returned %i\n", rc); -else - JOM(8, "ERROR: wakeup_device() returned %i\n", rc); - -peasycap->audio_eof = 0; -peasycap->audio_idle = 0; - -peasycap->timeval1.tv_sec = 0; -peasycap->timeval1.tv_usec = 0; - -submit_audio_urbs(peasycap); - -JOM(4, "finished initialization\n"); return 0; } /*****************************************************************************/ int -easysnd_release(struct inode *inode, struct file *file) +easyoss_release(struct inode *inode, struct file *file) { struct easycap *peasycap; @@ -736,7 +1537,7 @@ return 0; } /*****************************************************************************/ ssize_t -easysnd_read(struct file *file, char __user *puserspacebuffer, \ +easyoss_read(struct file *file, char __user *puserspacebuffer, \ size_t kount, loff_t *poff) { struct timeval timeval; @@ -760,7 +1561,7 @@ size_t szret; */ /*---------------------------------------------------------------------------*/ -JOT(8, "===== easysnd_read(): kount=%i, *poff=%i\n", (int)kount, (int)(*poff)); +JOT(8, "%5i=kount %5i=*poff\n", (int)kount, (int)(*poff)); if (NULL == file) { SAY("ERROR: file is NULL\n"); @@ -768,7 +1569,7 @@ if (NULL == file) { } peasycap = file->private_data; if (NULL == peasycap) { - SAY("ERROR in easysnd_read(): peasycap is NULL\n"); + SAY("ERROR in easyoss_read(): peasycap is NULL\n"); return -EFAULT; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { @@ -776,16 +1577,17 @@ if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { return -EFAULT; } if (NULL == peasycap->pusb_device) { - SAY("ERROR in easysnd_read(): peasycap->pusb_device is NULL\n"); + SAY("ERROR: peasycap->pusb_device is NULL\n"); return -EFAULT; } kd = isdongle(peasycap); if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&(easycap_dongle[kd].mutex_audio))) { - SAY("ERROR: cannot lock easycap_dongle[%i].mutex_audio\n", kd); + if (mutex_lock_interruptible(&(easycapdc60_dongle[kd].mutex_audio))) { + SAY("ERROR: " + "cannot lock easycapdc60_dongle[%i].mutex_audio\n", kd); return -ERESTARTSYS; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); + JOM(4, "locked easycapdc60_dongle[%i].mutex_audio\n", kd); /*---------------------------------------------------------------------------*/ /* * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER peasycap, @@ -797,24 +1599,24 @@ if (0 <= kd && DONGLE_MANY > kd) { return -ERESTARTSYS; if (NULL == file) { SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } peasycap = file->private_data; if (NULL == peasycap) { SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { SAY("ERROR: bad peasycap: 0x%08lX\n", \ (unsigned long int) peasycap); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } if (NULL == peasycap->pusb_device) { SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } } else { @@ -835,13 +1637,13 @@ else if ((0 > peasycap->audio_read) || \ (peasycap->audio_buffer_page_many <= peasycap->audio_read)) { SAM("ERROR: peasycap->audio_read out of range\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read]; if ((struct data_buffer *)NULL == pdata_buffer) { SAM("ERROR: pdata_buffer is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } JOM(12, "before wait, %i=frag read %i=frag fill\n", \ @@ -853,7 +1655,7 @@ while ((fragment == (peasycap->audio_fill / \ (0 == (PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo)))) { if (file->f_flags & O_NONBLOCK) { JOM(16, "returning -EAGAIN as instructed\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EAGAIN; } rc = wait_event_interruptible(peasycap->wq_audio, \ @@ -863,25 +1665,25 @@ while ((fragment == (peasycap->audio_fill / \ (0 < (PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo)))))); if (0 != rc) { SAM("aborted by signal\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } if (peasycap->audio_eof) { JOM(8, "returning 0 because %i=audio_eof\n", \ peasycap->audio_eof); kill_audio_urbs(peasycap); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return 0; } if (peasycap->audio_idle) { JOM(16, "returning 0 because %i=audio_idle\n", \ peasycap->audio_idle); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return 0; } if (!peasycap->audio_isoc_streaming) { JOM(16, "returning 0 because audio urbs not streaming\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return 0; } } @@ -889,22 +1691,23 @@ JOM(12, "after wait, %i=frag read %i=frag fill\n", \ (peasycap->audio_read / peasycap->audio_pages_per_fragment), \ (peasycap->audio_fill / peasycap->audio_pages_per_fragment)); szret = (size_t)0; +fragment = (peasycap->audio_read / peasycap->audio_pages_per_fragment); while (fragment == (peasycap->audio_read / \ peasycap->audio_pages_per_fragment)) { if (NULL == pdata_buffer->pgo) { SAM("ERROR: pdata_buffer->pgo is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } if (NULL == pdata_buffer->pto) { SAM("ERROR: pdata_buffer->pto is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } kount1 = PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo); if (0 > kount1) { - SAM("easysnd_read: MISTAKE: kount1 is negative\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + SAM("MISTAKE: kount1 is negative\n"); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -ERESTARTSYS; } if (!kount1) { @@ -922,23 +1725,23 @@ while (fragment == (peasycap->audio_read / \ (peasycap->audio_buffer_page_many <= \ peasycap->audio_read)) { SAM("ERROR: peasycap->audio_read out of range\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read]; if ((struct data_buffer *)NULL == pdata_buffer) { SAM("ERROR: pdata_buffer is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } if (NULL == pdata_buffer->pgo) { SAM("ERROR: pdata_buffer->pgo is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } if (NULL == pdata_buffer->pto) { SAM("ERROR: pdata_buffer->pto is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } kount1 = PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo); @@ -967,7 +1770,7 @@ while (fragment == (peasycap->audio_read / \ rc = copy_to_user(puserspacebuffer, pdata_buffer->pto, more); if (0 != rc) { SAM("ERROR: copy_to_user() returned %li\n", rc); - mutex_unlock(&easycap_dongle[kd].mutex_audio); + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); return -EFAULT; } *poff += (loff_t)more; @@ -1029,11 +1832,75 @@ if (!peasycap->timeval1.tv_sec) { JOM(8, "audio streaming at %lli bytes/second\n", sdr.quotient); peasycap->dnbydt = sdr.quotient; +mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); +JOM(4, "unlocked easycapdc60_dongle[%i].mutex_audio\n", kd); JOM(8, "returning %li\n", (long int)szret); -mutex_unlock(&easycap_dongle[kd].mutex_audio); return szret; } /*****************************************************************************/ + +#endif /*!EASYCAP_NEEDS_ALSA*/ + +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ +/*---------------------------------------------------------------------------*/ +/* + * COMMON AUDIO INITIALIZATION + */ +/*---------------------------------------------------------------------------*/ +int +easycap_sound_setup(struct easycap *peasycap) +{ +int rc; + +JOM(4, "starting initialization\n"); + +if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL.\n"); + return -EFAULT; +} +if ((struct usb_device *)NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; +} +JOM(16, "0x%08lX=peasycap->pusb_device\n", (long int)peasycap->pusb_device); + +rc = audio_setup(peasycap); +JOM(8, "audio_setup() returned %i\n", rc); + +if ((struct usb_device *)NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device has become NULL\n"); + return -ENODEV; +} +/*---------------------------------------------------------------------------*/ +if ((struct usb_device *)NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device has become NULL\n"); + return -ENODEV; +} +rc = usb_set_interface(peasycap->pusb_device, peasycap->audio_interface, \ + peasycap->audio_altsetting_on); +JOM(8, "usb_set_interface(.,%i,%i) returned %i\n", peasycap->audio_interface, \ + peasycap->audio_altsetting_on, rc); + +rc = wakeup_device(peasycap->pusb_device); +JOM(8, "wakeup_device() returned %i\n", rc); + +peasycap->audio_eof = 0; +peasycap->audio_idle = 0; + +peasycap->timeval1.tv_sec = 0; +peasycap->timeval1.tv_usec = 0; + +submit_audio_urbs(peasycap); + +JOM(4, "finished initialization\n"); +return 0; +} +/*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* * SUBMIT ALL AUDIO URBS. @@ -1087,7 +1954,11 @@ if (!peasycap->audio_isoc_streaming) { peasycap->audio_isoc_buffer[isbuf].pgo; purb->transfer_buffer_length = \ peasycap->audio_isoc_buffer_size; - purb->complete = easysnd_complete; +#if defined(EASYCAP_NEEDS_ALSA) + purb->complete = easycap_alsa_complete; +#else + purb->complete = easyoss_complete; +#endif /*EASYCAP_NEEDS_ALSA*/ purb->context = peasycap; purb->start_frame = 0; purb->number_of_packets = \ @@ -1109,14 +1980,18 @@ if (!peasycap->audio_isoc_streaming) { SAM("ERROR: usb_submit_urb() failed" \ " for urb with rc:\n"); switch (rc) { - case -ENOMEM: { - SAM("-ENOMEM\n"); - break; - } case -ENODEV: { SAM("-ENODEV\n"); break; } + case -ENOENT: { + SAM("-ENOENT\n"); + break; + } + case -ENOMEM: { + SAM("-ENOMEM\n"); + break; + } case -ENXIO: { SAM("-ENXIO\n"); break; @@ -1145,9 +2020,12 @@ if (!peasycap->audio_isoc_streaming) { nospc++; break; } + case -EPERM: { + SAM("-EPERM\n"); + break; + } default: { - SAM("unknown error code %i\n",\ - rc); + SAM("unknown error: %i\n", rc); break; } } @@ -1179,7 +2057,7 @@ if (!peasycap->audio_isoc_streaming) { } peasycap->audio_isoc_streaming = 0; } else { - peasycap->audio_isoc_streaming = 1; + peasycap->audio_isoc_streaming = m; JOM(4, "submitted %i audio urbs\n", m); } } else diff --git a/drivers/staging/easycap/easycap_sound.h b/drivers/staging/easycap/easycap_sound.h index 491273969023..82104c884105 100644 --- a/drivers/staging/easycap/easycap_sound.h +++ b/drivers/staging/easycap/easycap_sound.h @@ -24,5 +24,19 @@ * */ /*****************************************************************************/ +#if !defined(EASYCAP_SOUND_H) +#define EASYCAP_SOUND_H + +extern int easycap_debug; +extern int easycap_gain; +extern struct easycap_dongle easycapdc60_dongle[]; extern struct easycap *peasycap; extern struct usb_driver easycap_usb_driver; +#if defined(EASYCAP_NEEDS_ALSA) +extern struct snd_pcm_hardware easycap_pcm_hardware; +#else +extern struct usb_class_driver easyoss_class; +extern const struct file_operations easyoss_fops; +#endif /*EASYCAP_NEEDS_ALSA*/ + +#endif /*EASYCAP_SOUND_H*/ diff --git a/drivers/staging/easycap/easycap_standard.h b/drivers/staging/easycap/easycap_standard.h deleted file mode 100644 index cadc8d27a856..000000000000 --- a/drivers/staging/easycap/easycap_standard.h +++ /dev/null @@ -1,27 +0,0 @@ -/***************************************************************************** -* * -* easycap_standard.h * -* * -*****************************************************************************/ -/* - * - * Copyright (C) 2010 R.M. Thomas - * - * - * This 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. - * - * The software 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 software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ -/*****************************************************************************/ -extern struct easycap_standard easycap_standard[]; diff --git a/drivers/staging/easycap/easycap_testcard.c b/drivers/staging/easycap/easycap_testcard.c index e27dfe9a9ba3..1089603f2499 100644 --- a/drivers/staging/easycap/easycap_testcard.c +++ b/drivers/staging/easycap/easycap_testcard.c @@ -26,7 +26,7 @@ /*****************************************************************************/ #include "easycap.h" -#include "easycap_debug.h" +#include "easycap_testcard.h" /*****************************************************************************/ #define TESTCARD_BYTESPERLINE (2 * 720) @@ -397,7 +397,7 @@ int tones[2048] = { }; /*****************************************************************************/ void -easysnd_testtone(struct easycap *peasycap, int audio_fill) +easyoss_testtone(struct easycap *peasycap, int audio_fill) { int i1; unsigned char *p2; diff --git a/drivers/staging/easycap/easycap_testcard.h b/drivers/staging/easycap/easycap_testcard.h new file mode 100644 index 000000000000..51591275af2e --- /dev/null +++ b/drivers/staging/easycap/easycap_testcard.h @@ -0,0 +1,34 @@ +/***************************************************************************** +* * +* easycap_testcard.h * +* * +*****************************************************************************/ +/* + * + * Copyright (C) 2010 R.M. Thomas + * + * + * This 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. + * + * The software 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 software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ +/*****************************************************************************/ +#if !defined(EASYCAP_TESTCARD_H) +#define EASYCAP_TESTCARD_H + +extern int easycap_debug; +extern int easycap_gain; +extern struct easycap_dongle easycapdc60_dongle[]; + +#endif /*EASYCAP_TESTCARD_H*/