[6/6] Remove obsolete zc0301 v4l driver

Message ID	20100528170729.5164.67807.sendpatchset@localhost.localdomain (mailing list archive)
State	Changes Requested
Delegated to:	Douglas Landgraf
Headers	show Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4SH3cVQ021837 for <patchwork-media@patchwork.kernel.org>; Fri, 28 May 2010 17:03:38 GMT Date: Fri, 28 May 2010 13:03:28 -0400 From: Amerigo Wang <amwang@redhat.com> To: linux-media@vger.kernel.org Cc: Hans de Goede <hdegoede@redhat.com>, Amerigo Wang <amwang@redhat.com> Message-Id: <20100528170729.5164.67807.sendpatchset@localhost.localdomain> In-Reply-To: <20100528170611.5164.29857.sendpatchset@localhost.localdomain> References: <20100528170611.5164.29857.sendpatchset@localhost.localdomain> Subject: [PATCH 6/6] Remove obsolete zc0301 v4l driver Sender: linux-media-owner@vger.kernel.org Precedence: bulk

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 5a29615..a1b33b1 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -459,17 +459,6 @@ Who: Corentin Chary <corentin.chary@gmail.com> ---------------------------- -What: zc0301 v4l driver -When: 2.6.35 -Files: drivers/media/video/zc0301/* -Why: Duplicate functionality with the gspca_zc3xx driver, zc0301 only - supports 2 USB-ID's (because it only supports a limited set of - sensors) wich are also supported by the gspca_zc3xx driver - (which supports 53 USB-ID's in total) -Who: Hans de Goede <hdegoede@redhat.com> - ----------------------------- - What: sysfs-class-rfkill state file When: Feb 2014 Files: net/rfkill/core.c diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 4361fe6..01f3696 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -1013,8 +1013,6 @@ config USB_SE401 source "drivers/media/video/sn9c102/Kconfig" -source "drivers/media/video/zc0301/Kconfig" - source "drivers/media/video/pwc/Kconfig" config USB_ZR364XX diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 5c2a38e..2beb4e4 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -133,7 +133,6 @@ obj-$(CONFIG_USB_STKWEBCAM) += stkwebcam.o obj-$(CONFIG_USB_SN9C102) += sn9c102/ obj-$(CONFIG_USB_ET61X251) += et61x251/ obj-$(CONFIG_USB_PWC) += pwc/ -obj-$(CONFIG_USB_ZC0301) += zc0301/ obj-$(CONFIG_USB_GSPCA) += gspca/ obj-$(CONFIG_VIDEO_HDPVR) += hdpvr/ diff --git a/drivers/media/video/zc0301/Kconfig b/drivers/media/video/zc0301/Kconfig deleted file mode 100644 index a7e610e..0000000 --- a/drivers/media/video/zc0301/Kconfig +++ /dev/null @@ -1,15 +0,0 @@ -config USB_ZC0301 - tristate "USB ZC0301[P] webcam support (DEPRECATED)" - depends on VIDEO_V4L2 - default n - ---help--- - This driver is DEPRECATED please use the gspca zc3xx module - instead. - - Say Y here if you want support for cameras based on the ZC0301 or - ZC0301P Image Processors and Control Chips. - - See <file:Documentation/video4linux/zc0301.txt> for more info. - - To compile this driver as a module, choose M here: the - module will be called zc0301. diff --git a/drivers/media/video/zc0301/Makefile b/drivers/media/video/zc0301/Makefile deleted file mode 100644 index d9e6d97..0000000 --- a/drivers/media/video/zc0301/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -zc0301-objs := zc0301_core.o zc0301_pb0330.o zc0301_pas202bcb.o - -obj-$(CONFIG_USB_ZC0301) += zc0301.o diff --git a/drivers/media/video/zc0301/zc0301.h b/drivers/media/video/zc0301/zc0301.h deleted file mode 100644 index b1b5cce..0000000 --- a/drivers/media/video/zc0301/zc0301.h +++ /dev/null @@ -1,196 +0,0 @@ -/*************************************************************************** - * V4L2 driver for ZC0301[P] Image Processor and Control Chip * - * * - * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - ***************************************************************************/ - -#ifndef _ZC0301_H_ -#define _ZC0301_H_ - -#include <linux/version.h> -#include <linux/usb.h> -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <linux/device.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/time.h> -#include <linux/wait.h> -#include <linux/types.h> -#include <linux/param.h> -#include <linux/mutex.h> -#include <linux/rwsem.h> -#include <linux/stddef.h> -#include <linux/string.h> -#include <linux/kref.h> - -#include "zc0301_sensor.h" - -/*****************************************************************************/ - -#define ZC0301_DEBUG -#define ZC0301_DEBUG_LEVEL 2 -#define ZC0301_MAX_DEVICES 64 -#define ZC0301_FORCE_MUNMAP 0 -#define ZC0301_MAX_FRAMES 32 -#define ZC0301_COMPRESSION_QUALITY 0 -#define ZC0301_URBS 2 -#define ZC0301_ISO_PACKETS 7 -#define ZC0301_ALTERNATE_SETTING 7 -#define ZC0301_URB_TIMEOUT msecs_to_jiffies(2 * ZC0301_ISO_PACKETS) -#define ZC0301_CTRL_TIMEOUT 100 -#define ZC0301_FRAME_TIMEOUT 2 - -/*****************************************************************************/ - -ZC0301_ID_TABLE -ZC0301_SENSOR_TABLE - -enum zc0301_frame_state { - F_UNUSED, - F_QUEUED, - F_GRABBING, - F_DONE, - F_ERROR, -}; - -struct zc0301_frame_t { - void* bufmem; - struct v4l2_buffer buf; - enum zc0301_frame_state state; - struct list_head frame; - unsigned long vma_use_count; -}; - -enum zc0301_dev_state { - DEV_INITIALIZED = 0x01, - DEV_DISCONNECTED = 0x02, - DEV_MISCONFIGURED = 0x04, -}; - -enum zc0301_io_method { - IO_NONE, - IO_READ, - IO_MMAP, -}; - -enum zc0301_stream_state { - STREAM_OFF, - STREAM_INTERRUPT, - STREAM_ON, -}; - -struct zc0301_module_param { - u8 force_munmap; - u16 frame_timeout; -}; - -static DECLARE_RWSEM(zc0301_dev_lock); - -struct zc0301_device { - struct video_device* v4ldev; - - struct zc0301_sensor sensor; - - struct usb_device* usbdev; - struct urb* urb[ZC0301_URBS]; - void* transfer_buffer[ZC0301_URBS]; - u8* control_buffer; - - struct zc0301_frame_t *frame_current, frame[ZC0301_MAX_FRAMES]; - struct list_head inqueue, outqueue; - u32 frame_count, nbuffers, nreadbuffers; - - enum zc0301_io_method io; - enum zc0301_stream_state stream; - - struct v4l2_jpegcompression compression; - - struct zc0301_module_param module_param; - - struct kref kref; - enum zc0301_dev_state state; - u8 users; - - struct completion probe; - struct mutex open_mutex, fileop_mutex; - spinlock_t queue_lock; - wait_queue_head_t wait_open, wait_frame, wait_stream; -}; - -/*****************************************************************************/ - -struct zc0301_device* -zc0301_match_id(struct zc0301_device* cam, const struct usb_device_id *id) -{ - return usb_match_id(usb_ifnum_to_if(cam->usbdev, 0), id) ? cam : NULL; -} - -void -zc0301_attach_sensor(struct zc0301_device* cam, struct zc0301_sensor* sensor) -{ - memcpy(&cam->sensor, sensor, sizeof(struct zc0301_sensor)); -} - -/*****************************************************************************/ - -#undef DBG -#undef KDBG -#ifdef ZC0301_DEBUG -# define DBG(level, fmt, args...) \ -do { \ - if (debug >= (level)) { \ - if ((level) == 1) \ - dev_err(&cam->usbdev->dev, fmt "\n", ## args); \ - else if ((level) == 2) \ - dev_info(&cam->usbdev->dev, fmt "\n", ## args); \ - else if ((level) >= 3) \ - dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", \ - __FILE__, __func__, __LINE__ , ## args); \ - } \ -} while (0) -# define KDBG(level, fmt, args...) \ -do { \ - if (debug >= (level)) { \ - if ((level) == 1 || (level) == 2) \ - pr_info("zc0301: " fmt "\n", ## args); \ - else if ((level) == 3) \ - pr_debug("sn9c102: [%s:%s:%d] " fmt "\n", __FILE__, \ - __func__, __LINE__ , ## args); \ - } \ -} while (0) -# define V4LDBG(level, name, cmd) \ -do { \ - if (debug >= (level)) \ - v4l_print_ioctl(name, cmd); \ -} while (0) -#else -# define DBG(level, fmt, args...) do {;} while(0) -# define KDBG(level, fmt, args...) do {;} while(0) -# define V4LDBG(level, name, cmd) do {;} while(0) -#endif - -#undef PDBG -#define PDBG(fmt, args...) \ -dev_info(&cam->usbdev->dev, "[%s:%s:%d] " fmt "\n", __FILE__, __func__, \ - __LINE__ , ## args) - -#undef PDBGG -#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */ - -#endif /* _ZC0301_H_ */ diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c deleted file mode 100644 index bb51cfb..0000000 --- a/drivers/media/video/zc0301/zc0301_core.c +++ /dev/null @@ -1,2098 +0,0 @@ -/*************************************************************************** - * Video4Linux2 driver for ZC0301[P] Image Processor and Control Chip * - * * - * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * - * * - * Informations about the chip internals needed to enable the I2C protocol * - * have been taken from the documentation of the ZC030x Video4Linux1 * - * driver written by Andrew Birkett <andy@nobugs.org> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - ***************************************************************************/ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/device.h> -#include <linux/fs.h> -#include <linux/delay.h> -#include <linux/compiler.h> -#include <linux/ioctl.h> -#include <linux/poll.h> -#include <linux/stat.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> -#include <linux/page-flags.h> -#include <asm/byteorder.h> -#include <asm/page.h> -#include <asm/uaccess.h> - -#include "zc0301.h" - -/*****************************************************************************/ - -#define ZC0301_MODULE_NAME "V4L2 driver for ZC0301[P] " \ - "Image Processor and Control Chip" -#define ZC0301_MODULE_AUTHOR "(C) 2006-2007 Luca Risolia" -#define ZC0301_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>" -#define ZC0301_MODULE_LICENSE "GPL" -#define ZC0301_MODULE_VERSION "1:1.10" -#define ZC0301_MODULE_VERSION_CODE KERNEL_VERSION(1, 1, 10) - -/*****************************************************************************/ - -MODULE_DEVICE_TABLE(usb, zc0301_id_table); - -MODULE_AUTHOR(ZC0301_MODULE_AUTHOR " " ZC0301_AUTHOR_EMAIL); -MODULE_DESCRIPTION(ZC0301_MODULE_NAME); -MODULE_VERSION(ZC0301_MODULE_VERSION); -MODULE_LICENSE(ZC0301_MODULE_LICENSE); - -static short video_nr[] = {[0 ... ZC0301_MAX_DEVICES-1] = -1}; -module_param_array(video_nr, short, NULL, 0444); -MODULE_PARM_DESC(video_nr, - "\n<-1|n[,...]> Specify V4L2 minor mode number." - "\n -1 = use next available (default)" - "\n n = use minor number n (integer >= 0)" - "\nYou can specify up to " - __MODULE_STRING(ZC0301_MAX_DEVICES) " cameras this way." - "\nFor example:" - "\nvideo_nr=-1,2,-1 would assign minor number 2 to" - "\nthe second registered camera and use auto for the first" - "\none and for every other camera." - "\n"); - -static short force_munmap[] = {[0 ... ZC0301_MAX_DEVICES-1] = - ZC0301_FORCE_MUNMAP}; -module_param_array(force_munmap, bool, NULL, 0444); -MODULE_PARM_DESC(force_munmap, - "\n<0|1[,...]> Force the application to unmap previously" - "\nmapped buffer memory before calling any VIDIOC_S_CROP or" - "\nVIDIOC_S_FMT ioctl's. Not all the applications support" - "\nthis feature. This parameter is specific for each" - "\ndetected camera." - "\n 0 = do not force memory unmapping" - "\n 1 = force memory unmapping (save memory)" - "\nDefault value is "__MODULE_STRING(ZC0301_FORCE_MUNMAP)"." - "\n"); - -static unsigned int frame_timeout[] = {[0 ... ZC0301_MAX_DEVICES-1] = - ZC0301_FRAME_TIMEOUT}; -module_param_array(frame_timeout, uint, NULL, 0644); -MODULE_PARM_DESC(frame_timeout, - "\n<n[,...]> Timeout for a video frame in seconds." - "\nThis parameter is specific for each detected camera." - "\nDefault value is "__MODULE_STRING(ZC0301_FRAME_TIMEOUT)"." - "\n"); - -#ifdef ZC0301_DEBUG -static unsigned short debug = ZC0301_DEBUG_LEVEL; -module_param(debug, ushort, 0644); -MODULE_PARM_DESC(debug, - "\n<n> Debugging information level, from 0 to 3:" - "\n0 = none (use carefully)" - "\n1 = critical errors" - "\n2 = significant informations" - "\n3 = more verbose messages" - "\nLevel 3 is useful for testing only, when only " - "one device is used." - "\nDefault value is "__MODULE_STRING(ZC0301_DEBUG_LEVEL)"." - "\n"); -#endif - -/*****************************************************************************/ - -static u32 -zc0301_request_buffers(struct zc0301_device* cam, u32 count, - enum zc0301_io_method io) -{ - struct v4l2_pix_format* p = &(cam->sensor.pix_format); - struct v4l2_rect* r = &(cam->sensor.cropcap.bounds); - const size_t imagesize = cam->module_param.force_munmap || - io == IO_READ ? - (p->width * p->height * p->priv) / 8 : - (r->width * r->height * p->priv) / 8; - void* buff = NULL; - u32 i; - - if (count > ZC0301_MAX_FRAMES) - count = ZC0301_MAX_FRAMES; - - cam->nbuffers = count; - while (cam->nbuffers > 0) { - if ((buff = vmalloc_32_user(cam->nbuffers * - PAGE_ALIGN(imagesize)))) - break; - cam->nbuffers--; - } - - for (i = 0; i < cam->nbuffers; i++) { - cam->frame[i].bufmem = buff + i*PAGE_ALIGN(imagesize); - cam->frame[i].buf.index = i; - cam->frame[i].buf.m.offset = i*PAGE_ALIGN(imagesize); - cam->frame[i].buf.length = imagesize; - cam->frame[i].buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - cam->frame[i].buf.sequence = 0; - cam->frame[i].buf.field = V4L2_FIELD_NONE; - cam->frame[i].buf.memory = V4L2_MEMORY_MMAP; - cam->frame[i].buf.flags = 0; - } - - return cam->nbuffers; -} - - -static void zc0301_release_buffers(struct zc0301_device* cam) -{ - if (cam->nbuffers) { - vfree(cam->frame[0].bufmem); - cam->nbuffers = 0; - } - cam->frame_current = NULL; -} - - -static void zc0301_empty_framequeues(struct zc0301_device* cam) -{ - u32 i; - - INIT_LIST_HEAD(&cam->inqueue); - INIT_LIST_HEAD(&cam->outqueue); - - for (i = 0; i < ZC0301_MAX_FRAMES; i++) { - cam->frame[i].state = F_UNUSED; - cam->frame[i].buf.bytesused = 0; - } -} - - -static void zc0301_requeue_outqueue(struct zc0301_device* cam) -{ - struct zc0301_frame_t *i; - - list_for_each_entry(i, &cam->outqueue, frame) { - i->state = F_QUEUED; - list_add(&i->frame, &cam->inqueue); - } - - INIT_LIST_HEAD(&cam->outqueue); -} - - -static void zc0301_queue_unusedframes(struct zc0301_device* cam) -{ - unsigned long lock_flags; - u32 i; - - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].state == F_UNUSED) { - cam->frame[i].state = F_QUEUED; - spin_lock_irqsave(&cam->queue_lock, lock_flags); - list_add_tail(&cam->frame[i].frame, &cam->inqueue); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - } -} - -/*****************************************************************************/ - -int zc0301_write_reg(struct zc0301_device* cam, u16 index, u16 value) -{ - struct usb_device* udev = cam->usbdev; - int res; - - res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0xa0, 0x40, - value, index, NULL, 0, ZC0301_CTRL_TIMEOUT); - if (res < 0) { - DBG(3, "Failed to write a register (index 0x%04X, " - "value 0x%02X, error %d)",index, value, res); - return -1; - } - - return 0; -} - - -int zc0301_read_reg(struct zc0301_device* cam, u16 index) -{ - struct usb_device* udev = cam->usbdev; - u8* buff = cam->control_buffer; - int res; - - res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0xa1, 0xc0, - 0x0001, index, buff, 1, ZC0301_CTRL_TIMEOUT); - if (res < 0) - DBG(3, "Failed to read a register (index 0x%04X, error %d)", - index, res); - - PDBGG("Read: index 0x%04X, value: 0x%04X", index, (int)(*buff)); - - return (res >= 0) ? (int)(*buff) : -1; -} - - -int zc0301_i2c_read(struct zc0301_device* cam, u16 address, u8 length) -{ - int err = 0, res, r0, r1; - - err += zc0301_write_reg(cam, 0x0092, address); - err += zc0301_write_reg(cam, 0x0090, 0x02); - - msleep(1); - - res = zc0301_read_reg(cam, 0x0091); - if (res < 0) - err += res; - r0 = zc0301_read_reg(cam, 0x0095); - if (r0 < 0) - err += r0; - r1 = zc0301_read_reg(cam, 0x0096); - if (r1 < 0) - err += r1; - - res = (length <= 1) ? r0 : r0 | (r1 << 8); - - if (err) - DBG(3, "I2C read failed at address 0x%04X, value: 0x%04X", - address, res); - - - PDBGG("I2C read: address 0x%04X, value: 0x%04X", address, res); - - return err ? -1 : res; -} - - -int zc0301_i2c_write(struct zc0301_device* cam, u16 address, u16 value) -{ - int err = 0, res; - - err += zc0301_write_reg(cam, 0x0092, address); - err += zc0301_write_reg(cam, 0x0093, value & 0xff); - err += zc0301_write_reg(cam, 0x0094, value >> 8); - err += zc0301_write_reg(cam, 0x0090, 0x01); - - msleep(1); - - res = zc0301_read_reg(cam, 0x0091); - if (res < 0) - err += res; - - if (err) - DBG(3, "I2C write failed at address 0x%04X, value: 0x%04X", - address, value); - - PDBGG("I2C write: address 0x%04X, value: 0x%04X", address, value); - - return err ? -1 : 0; -} - -/*****************************************************************************/ - -static void zc0301_urb_complete(struct urb *urb) -{ - struct zc0301_device* cam = urb->context; - struct zc0301_frame_t** f; - size_t imagesize; - u8 i; - int err = 0; - - if (urb->status == -ENOENT) - return; - - f = &cam->frame_current; - - if (cam->stream == STREAM_INTERRUPT) { - cam->stream = STREAM_OFF; - if ((*f)) - (*f)->state = F_QUEUED; - DBG(3, "Stream interrupted"); - wake_up(&cam->wait_stream); - } - - if (cam->state & DEV_DISCONNECTED) - return; - - if (cam->state & DEV_MISCONFIGURED) { - wake_up_interruptible(&cam->wait_frame); - return; - } - - if (cam->stream == STREAM_OFF || list_empty(&cam->inqueue)) - goto resubmit_urb; - - if (!(*f)) - (*f) = list_entry(cam->inqueue.next, struct zc0301_frame_t, - frame); - - imagesize = (cam->sensor.pix_format.width * - cam->sensor.pix_format.height * - cam->sensor.pix_format.priv) / 8; - - for (i = 0; i < urb->number_of_packets; i++) { - unsigned int len, status; - void *pos; - u16* soi; - u8 sof; - - len = urb->iso_frame_desc[i].actual_length; - status = urb->iso_frame_desc[i].status; - pos = urb->iso_frame_desc[i].offset + urb->transfer_buffer; - - if (status) { - DBG(3, "Error in isochronous frame"); - (*f)->state = F_ERROR; - continue; - } - - sof = (*(soi = pos) == 0xd8ff); - - PDBGG("Isochrnous frame: length %u, #%u i,", len, i); - - if ((*f)->state == F_QUEUED || (*f)->state == F_ERROR) -start_of_frame: - if (sof) { - (*f)->state = F_GRABBING; - (*f)->buf.bytesused = 0; - do_gettimeofday(&(*f)->buf.timestamp); - DBG(3, "SOF detected: new video frame"); - } - - if ((*f)->state == F_GRABBING) { - if (sof && (*f)->buf.bytesused) - goto end_of_frame; - - if ((*f)->buf.bytesused + len > imagesize) { - DBG(3, "Video frame size exceeded"); - (*f)->state = F_ERROR; - continue; - } - - memcpy((*f)->bufmem+(*f)->buf.bytesused, pos, len); - (*f)->buf.bytesused += len; - - if ((*f)->buf.bytesused == imagesize) { - u32 b; -end_of_frame: - b = (*f)->buf.bytesused; - (*f)->state = F_DONE; - (*f)->buf.sequence= ++cam->frame_count; - spin_lock(&cam->queue_lock); - list_move_tail(&(*f)->frame, &cam->outqueue); - if (!list_empty(&cam->inqueue)) - (*f) = list_entry(cam->inqueue.next, - struct zc0301_frame_t, - frame); - else - (*f) = NULL; - spin_unlock(&cam->queue_lock); - DBG(3, "Video frame captured: : %lu bytes", - (unsigned long)(b)); - - if (!(*f)) - goto resubmit_urb; - - if (sof) - goto start_of_frame; - } - } - } - -resubmit_urb: - urb->dev = cam->usbdev; - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0 && err != -EPERM) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "usb_submit_urb() failed"); - } - - wake_up_interruptible(&cam->wait_frame); -} - - -static int zc0301_start_transfer(struct zc0301_device* cam) -{ - struct usb_device *udev = cam->usbdev; - struct usb_host_interface* altsetting = usb_altnum_to_altsetting( - usb_ifnum_to_if(udev, 0), - ZC0301_ALTERNATE_SETTING); - const unsigned int psz = le16_to_cpu(altsetting-> - endpoint[0].desc.wMaxPacketSize); - struct urb* urb; - s8 i, j; - int err = 0; - - for (i = 0; i < ZC0301_URBS; i++) { - cam->transfer_buffer[i] = kzalloc(ZC0301_ISO_PACKETS * psz, - GFP_KERNEL); - if (!cam->transfer_buffer[i]) { - err = -ENOMEM; - DBG(1, "Not enough memory"); - goto free_buffers; - } - } - - for (i = 0; i < ZC0301_URBS; i++) { - urb = usb_alloc_urb(ZC0301_ISO_PACKETS, GFP_KERNEL); - cam->urb[i] = urb; - if (!urb) { - err = -ENOMEM; - DBG(1, "usb_alloc_urb() failed"); - goto free_urbs; - } - urb->dev = udev; - urb->context = cam; - urb->pipe = usb_rcvisocpipe(udev, 1); - urb->transfer_flags = URB_ISO_ASAP; - urb->number_of_packets = ZC0301_ISO_PACKETS; - urb->complete = zc0301_urb_complete; - urb->transfer_buffer = cam->transfer_buffer[i]; - urb->transfer_buffer_length = psz * ZC0301_ISO_PACKETS; - urb->interval = 1; - for (j = 0; j < ZC0301_ISO_PACKETS; j++) { - urb->iso_frame_desc[j].offset = psz * j; - urb->iso_frame_desc[j].length = psz; - } - } - - err = usb_set_interface(udev, 0, ZC0301_ALTERNATE_SETTING); - if (err) { - DBG(1, "usb_set_interface() failed"); - goto free_urbs; - } - - cam->frame_current = NULL; - - for (i = 0; i < ZC0301_URBS; i++) { - err = usb_submit_urb(cam->urb[i], GFP_KERNEL); - if (err) { - for (j = i-1; j >= 0; j--) - usb_kill_urb(cam->urb[j]); - DBG(1, "usb_submit_urb() failed, error %d", err); - goto free_urbs; - } - } - - return 0; - -free_urbs: - for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++) - usb_free_urb(cam->urb[i]); - -free_buffers: - for (i = 0; (i < ZC0301_URBS) && cam->transfer_buffer[i]; i++) - kfree(cam->transfer_buffer[i]); - - return err; -} - - -static int zc0301_stop_transfer(struct zc0301_device* cam) -{ - struct usb_device *udev = cam->usbdev; - s8 i; - int err = 0; - - if (cam->state & DEV_DISCONNECTED) - return 0; - - for (i = ZC0301_URBS-1; i >= 0; i--) { - usb_kill_urb(cam->urb[i]); - usb_free_urb(cam->urb[i]); - kfree(cam->transfer_buffer[i]); - } - - err = usb_set_interface(udev, 0, 0); /* 0 Mb/s */ - if (err) - DBG(3, "usb_set_interface() failed"); - - return err; -} - - -static int zc0301_stream_interrupt(struct zc0301_device* cam) -{ - long timeout; - - cam->stream = STREAM_INTERRUPT; - timeout = wait_event_timeout(cam->wait_stream, - (cam->stream == STREAM_OFF) || - (cam->state & DEV_DISCONNECTED), - ZC0301_URB_TIMEOUT); - if (cam->state & DEV_DISCONNECTED) - return -ENODEV; - else if (cam->stream != STREAM_OFF) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "URB timeout reached. The camera is misconfigured. To " - "use it, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -EIO; - } - - return 0; -} - -/*****************************************************************************/ - -static int -zc0301_set_compression(struct zc0301_device* cam, - struct v4l2_jpegcompression* compression) -{ - int r, err = 0; - - if ((r = zc0301_read_reg(cam, 0x0008)) < 0) - err += r; - err += zc0301_write_reg(cam, 0x0008, r | 0x11 | compression->quality); - - return err ? -EIO : 0; -} - - -static int zc0301_init(struct zc0301_device* cam) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_control ctrl; - struct v4l2_queryctrl *qctrl; - struct v4l2_rect* rect; - u8 i = 0; - int err = 0; - - if (!(cam->state & DEV_INITIALIZED)) { - mutex_init(&cam->open_mutex); - init_waitqueue_head(&cam->wait_open); - qctrl = s->qctrl; - rect = &(s->cropcap.defrect); - cam->compression.quality = ZC0301_COMPRESSION_QUALITY; - } else { /* use current values */ - qctrl = s->_qctrl; - rect = &(s->_rect); - } - - if (s->init) { - err = s->init(cam); - if (err) { - DBG(3, "Sensor initialization failed"); - return err; - } - } - - if ((err = zc0301_set_compression(cam, &cam->compression))) { - DBG(3, "set_compression() failed"); - return err; - } - - if (s->set_crop) - if ((err = s->set_crop(cam, rect))) { - DBG(3, "set_crop() failed"); - return err; - } - - if (s->set_ctrl) { - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) - if (s->qctrl[i].id != 0 && - !(s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED)) { - ctrl.id = s->qctrl[i].id; - ctrl.value = qctrl[i].default_value; - err = s->set_ctrl(cam, &ctrl); - if (err) { - DBG(3, "Set %s control failed", - s->qctrl[i].name); - return err; - } - DBG(3, "Image sensor supports '%s' control", - s->qctrl[i].name); - } - } - - if (!(cam->state & DEV_INITIALIZED)) { - mutex_init(&cam->fileop_mutex); - spin_lock_init(&cam->queue_lock); - init_waitqueue_head(&cam->wait_frame); - init_waitqueue_head(&cam->wait_stream); - cam->nreadbuffers = 2; - memcpy(s->_qctrl, s->qctrl, sizeof(s->qctrl)); - memcpy(&(s->_rect), &(s->cropcap.defrect), - sizeof(struct v4l2_rect)); - cam->state |= DEV_INITIALIZED; - } - - DBG(2, "Initialization succeeded"); - return 0; -} - -/*****************************************************************************/ - -static void zc0301_release_resources(struct kref *kref) -{ - struct zc0301_device *cam = container_of(kref, struct zc0301_device, - kref); - DBG(2, "V4L2 device %s deregistered", - video_device_node_name(cam->v4ldev)); - video_set_drvdata(cam->v4ldev, NULL); - video_unregister_device(cam->v4ldev); - usb_put_dev(cam->usbdev); - kfree(cam->control_buffer); - kfree(cam); -} - - -static int zc0301_open(struct file *filp) -{ - struct zc0301_device* cam; - int err = 0; - - if (!down_read_trylock(&zc0301_dev_lock)) - return -EAGAIN; - - cam = video_drvdata(filp); - - if (wait_for_completion_interruptible(&cam->probe)) { - up_read(&zc0301_dev_lock); - return -ERESTARTSYS; - } - - kref_get(&cam->kref); - - if (mutex_lock_interruptible(&cam->open_mutex)) { - kref_put(&cam->kref, zc0301_release_resources); - up_read(&zc0301_dev_lock); - return -ERESTARTSYS; - } - - if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present"); - err = -ENODEV; - goto out; - } - - if (cam->users) { - DBG(2, "Device %s is busy...", - video_device_node_name(cam->v4ldev)); - DBG(3, "Simultaneous opens are not supported"); - if ((filp->f_flags & O_NONBLOCK) || - (filp->f_flags & O_NDELAY)) { - err = -EWOULDBLOCK; - goto out; - } - DBG(2, "A blocking open() has been requested. Wait for the " - "device to be released..."); - up_read(&zc0301_dev_lock); - err = wait_event_interruptible_exclusive(cam->wait_open, - (cam->state & DEV_DISCONNECTED) - || !cam->users); - down_read(&zc0301_dev_lock); - if (err) - goto out; - if (cam->state & DEV_DISCONNECTED) { - err = -ENODEV; - goto out; - } - } - - if (cam->state & DEV_MISCONFIGURED) { - err = zc0301_init(cam); - if (err) { - DBG(1, "Initialization failed again. " - "I will retry on next open()."); - goto out; - } - cam->state &= ~DEV_MISCONFIGURED; - } - - if ((err = zc0301_start_transfer(cam))) - goto out; - - filp->private_data = cam; - cam->users++; - cam->io = IO_NONE; - cam->stream = STREAM_OFF; - cam->nbuffers = 0; - cam->frame_count = 0; - zc0301_empty_framequeues(cam); - - DBG(3, "Video device %s is open", - video_device_node_name(cam->v4ldev)); - -out: - mutex_unlock(&cam->open_mutex); - if (err) - kref_put(&cam->kref, zc0301_release_resources); - up_read(&zc0301_dev_lock); - return err; -} - - -static int zc0301_release(struct file *filp) -{ - struct zc0301_device* cam; - - down_write(&zc0301_dev_lock); - - cam = video_drvdata(filp); - - zc0301_stop_transfer(cam); - zc0301_release_buffers(cam); - cam->users--; - wake_up_interruptible_nr(&cam->wait_open, 1); - - DBG(3, "Video device %s closed", - video_device_node_name(cam->v4ldev)); - - kref_put(&cam->kref, zc0301_release_resources); - - up_write(&zc0301_dev_lock); - - return 0; -} - - -static ssize_t -zc0301_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) -{ - struct zc0301_device *cam = video_drvdata(filp); - struct zc0301_frame_t* f, * i; - unsigned long lock_flags; - long timeout; - int err = 0; - - if (mutex_lock_interruptible(&cam->fileop_mutex)) - return -ERESTARTSYS; - - if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present"); - mutex_unlock(&cam->fileop_mutex); - return -ENODEV; - } - - if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it " - "again."); - mutex_unlock(&cam->fileop_mutex); - return -EIO; - } - - if (cam->io == IO_MMAP) { - DBG(3, "Close and open the device again to choose the read " - "method"); - mutex_unlock(&cam->fileop_mutex); - return -EBUSY; - } - - if (cam->io == IO_NONE) { - if (!zc0301_request_buffers(cam, cam->nreadbuffers, IO_READ)) { - DBG(1, "read() failed, not enough memory"); - mutex_unlock(&cam->fileop_mutex); - return -ENOMEM; - } - cam->io = IO_READ; - cam->stream = STREAM_ON; - } - - if (list_empty(&cam->inqueue)) { - if (!list_empty(&cam->outqueue)) - zc0301_empty_framequeues(cam); - zc0301_queue_unusedframes(cam); - } - - if (!count) { - mutex_unlock(&cam->fileop_mutex); - return 0; - } - - if (list_empty(&cam->outqueue)) { - if (filp->f_flags & O_NONBLOCK) { - mutex_unlock(&cam->fileop_mutex); - return -EAGAIN; - } - timeout = wait_event_interruptible_timeout - ( cam->wait_frame, - (!list_empty(&cam->outqueue)) || - (cam->state & DEV_DISCONNECTED) || - (cam->state & DEV_MISCONFIGURED), - msecs_to_jiffies( - cam->module_param.frame_timeout * 1000 - ) - ); - if (timeout < 0) { - mutex_unlock(&cam->fileop_mutex); - return timeout; - } - if (cam->state & DEV_DISCONNECTED) { - mutex_unlock(&cam->fileop_mutex); - return -ENODEV; - } - if (!timeout || (cam->state & DEV_MISCONFIGURED)) { - mutex_unlock(&cam->fileop_mutex); - return -EIO; - } - } - - f = list_entry(cam->outqueue.prev, struct zc0301_frame_t, frame); - - if (count > f->buf.bytesused) - count = f->buf.bytesused; - - if (copy_to_user(buf, f->bufmem, count)) { - err = -EFAULT; - goto exit; - } - *f_pos += count; - -exit: - spin_lock_irqsave(&cam->queue_lock, lock_flags); - list_for_each_entry(i, &cam->outqueue, frame) - i->state = F_UNUSED; - INIT_LIST_HEAD(&cam->outqueue); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - - zc0301_queue_unusedframes(cam); - - PDBGG("Frame #%lu, bytes read: %zu", - (unsigned long)f->buf.index, count); - - mutex_unlock(&cam->fileop_mutex); - - return err ? err : count; -} - - -static unsigned int zc0301_poll(struct file *filp, poll_table *wait) -{ - struct zc0301_device *cam = video_drvdata(filp); - struct zc0301_frame_t* f; - unsigned long lock_flags; - unsigned int mask = 0; - - if (mutex_lock_interruptible(&cam->fileop_mutex)) - return POLLERR; - - if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present"); - goto error; - } - - if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it " - "again."); - goto error; - } - - if (cam->io == IO_NONE) { - if (!zc0301_request_buffers(cam, cam->nreadbuffers, IO_READ)) { - DBG(1, "poll() failed, not enough memory"); - goto error; - } - cam->io = IO_READ; - cam->stream = STREAM_ON; - } - - if (cam->io == IO_READ) { - spin_lock_irqsave(&cam->queue_lock, lock_flags); - list_for_each_entry(f, &cam->outqueue, frame) - f->state = F_UNUSED; - INIT_LIST_HEAD(&cam->outqueue); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - zc0301_queue_unusedframes(cam); - } - - poll_wait(filp, &cam->wait_frame, wait); - - if (!list_empty(&cam->outqueue)) - mask |= POLLIN | POLLRDNORM; - - mutex_unlock(&cam->fileop_mutex); - - return mask; - -error: - mutex_unlock(&cam->fileop_mutex); - return POLLERR; -} - - -static void zc0301_vm_open(struct vm_area_struct* vma) -{ - struct zc0301_frame_t* f = vma->vm_private_data; - f->vma_use_count++; -} - - -static void zc0301_vm_close(struct vm_area_struct* vma) -{ - /* NOTE: buffers are not freed here */ - struct zc0301_frame_t* f = vma->vm_private_data; - f->vma_use_count--; -} - - -static const struct vm_operations_struct zc0301_vm_ops = { - .open = zc0301_vm_open, - .close = zc0301_vm_close, -}; - - -static int zc0301_mmap(struct file* filp, struct vm_area_struct *vma) -{ - struct zc0301_device *cam = video_drvdata(filp); - unsigned long size = vma->vm_end - vma->vm_start, - start = vma->vm_start; - void *pos; - u32 i; - - if (mutex_lock_interruptible(&cam->fileop_mutex)) - return -ERESTARTSYS; - - if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present"); - mutex_unlock(&cam->fileop_mutex); - return -ENODEV; - } - - if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it " - "again."); - mutex_unlock(&cam->fileop_mutex); - return -EIO; - } - - if (!(vma->vm_flags & (VM_WRITE | VM_READ))) { - mutex_unlock(&cam->fileop_mutex); - return -EACCES; - } - - if (cam->io != IO_MMAP || - size != PAGE_ALIGN(cam->frame[0].buf.length)) { - mutex_unlock(&cam->fileop_mutex); - return -EINVAL; - } - - for (i = 0; i < cam->nbuffers; i++) { - if ((cam->frame[i].buf.m.offset>>PAGE_SHIFT) == vma->vm_pgoff) - break; - } - if (i == cam->nbuffers) { - mutex_unlock(&cam->fileop_mutex); - return -EINVAL; - } - - vma->vm_flags |= VM_IO; - vma->vm_flags |= VM_RESERVED; - - pos = cam->frame[i].bufmem; - while (size > 0) { /* size is page-aligned */ - if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { - mutex_unlock(&cam->fileop_mutex); - return -EAGAIN; - } - start += PAGE_SIZE; - pos += PAGE_SIZE; - size -= PAGE_SIZE; - } - - vma->vm_ops = &zc0301_vm_ops; - vma->vm_private_data = &cam->frame[i]; - zc0301_vm_open(vma); - - mutex_unlock(&cam->fileop_mutex); - - return 0; -} - -/*****************************************************************************/ - -static int -zc0301_vidioc_querycap(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_capability cap = { - .driver = "zc0301", - .version = ZC0301_MODULE_VERSION_CODE, - .capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING, - }; - - strlcpy(cap.card, cam->v4ldev->name, sizeof(cap.card)); - if (usb_make_path(cam->usbdev, cap.bus_info, sizeof(cap.bus_info)) < 0) - strlcpy(cap.bus_info, dev_name(&cam->usbdev->dev), - sizeof(cap.bus_info)); - - if (copy_to_user(arg, &cap, sizeof(cap))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_enuminput(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_input i; - - if (copy_from_user(&i, arg, sizeof(i))) - return -EFAULT; - - if (i.index) - return -EINVAL; - - memset(&i, 0, sizeof(i)); - strcpy(i.name, "Camera"); - i.type = V4L2_INPUT_TYPE_CAMERA; - - if (copy_to_user(arg, &i, sizeof(i))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_g_input(struct zc0301_device* cam, void __user * arg) -{ - int index = 0; - - if (copy_to_user(arg, &index, sizeof(index))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_s_input(struct zc0301_device* cam, void __user * arg) -{ - int index; - - if (copy_from_user(&index, arg, sizeof(index))) - return -EFAULT; - - if (index != 0) - return -EINVAL; - - return 0; -} - - -static int -zc0301_vidioc_query_ctrl(struct zc0301_device* cam, void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_queryctrl qc; - u8 i; - - if (copy_from_user(&qc, arg, sizeof(qc))) - return -EFAULT; - - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) - if (qc.id && qc.id == s->qctrl[i].id) { - memcpy(&qc, &(s->qctrl[i]), sizeof(qc)); - if (copy_to_user(arg, &qc, sizeof(qc))) - return -EFAULT; - return 0; - } - - return -EINVAL; -} - - -static int -zc0301_vidioc_g_ctrl(struct zc0301_device* cam, void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_control ctrl; - int err = 0; - u8 i; - - if (!s->get_ctrl && !s->set_ctrl) - return -EINVAL; - - if (copy_from_user(&ctrl, arg, sizeof(ctrl))) - return -EFAULT; - - if (!s->get_ctrl) { - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) - if (ctrl.id == s->qctrl[i].id) { - ctrl.value = s->_qctrl[i].default_value; - goto exit; - } - return -EINVAL; - } else - err = s->get_ctrl(cam, &ctrl); - -exit: - if (copy_to_user(arg, &ctrl, sizeof(ctrl))) - return -EFAULT; - - return err; -} - - -static int -zc0301_vidioc_s_ctrl(struct zc0301_device* cam, void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_control ctrl; - u8 i; - int err = 0; - - if (!s->set_ctrl) - return -EINVAL; - - if (copy_from_user(&ctrl, arg, sizeof(ctrl))) - return -EFAULT; - - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) { - if (ctrl.id == s->qctrl[i].id) { - if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED) - return -EINVAL; - if (ctrl.value < s->qctrl[i].minimum || - ctrl.value > s->qctrl[i].maximum) - return -ERANGE; - ctrl.value -= ctrl.value % s->qctrl[i].step; - break; - } - } - if (i == ARRAY_SIZE(s->qctrl)) - return -EINVAL; - if ((err = s->set_ctrl(cam, &ctrl))) - return err; - - s->_qctrl[i].default_value = ctrl.value; - - return 0; -} - - -static int -zc0301_vidioc_cropcap(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_cropcap* cc = &(cam->sensor.cropcap); - - cc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - cc->pixelaspect.numerator = 1; - cc->pixelaspect.denominator = 1; - - if (copy_to_user(arg, cc, sizeof(*cc))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_g_crop(struct zc0301_device* cam, void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_crop crop = { - .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, - }; - - memcpy(&(crop.c), &(s->_rect), sizeof(struct v4l2_rect)); - - if (copy_to_user(arg, &crop, sizeof(crop))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_s_crop(struct zc0301_device* cam, void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_crop crop; - struct v4l2_rect* rect; - struct v4l2_rect* bounds = &(s->cropcap.bounds); - const enum zc0301_stream_state stream = cam->stream; - const u32 nbuffers = cam->nbuffers; - u32 i; - int err = 0; - - if (copy_from_user(&crop, arg, sizeof(crop))) - return -EFAULT; - - rect = &(crop.c); - - if (crop.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (cam->module_param.force_munmap) - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_S_CROP failed. " - "Unmap the buffers first."); - return -EBUSY; - } - - if (!s->set_crop) { - memcpy(rect, &(s->_rect), sizeof(*rect)); - if (copy_to_user(arg, &crop, sizeof(crop))) - return -EFAULT; - return 0; - } - - rect->left &= ~7L; - rect->top &= ~7L; - if (rect->width < 8) - rect->width = 8; - if (rect->height < 8) - rect->height = 8; - if (rect->width > bounds->width) - rect->width = bounds->width; - if (rect->height > bounds->height) - rect->height = bounds->height; - if (rect->left < bounds->left) - rect->left = bounds->left; - if (rect->top < bounds->top) - rect->top = bounds->top; - if (rect->left + rect->width > bounds->left + bounds->width) - rect->left = bounds->left+bounds->width - rect->width; - if (rect->top + rect->height > bounds->top + bounds->height) - rect->top = bounds->top+bounds->height - rect->height; - rect->width &= ~7L; - rect->height &= ~7L; - - if (cam->stream == STREAM_ON) - if ((err = zc0301_stream_interrupt(cam))) - return err; - - if (copy_to_user(arg, &crop, sizeof(crop))) { - cam->stream = stream; - return -EFAULT; - } - - if (cam->module_param.force_munmap || cam->io == IO_READ) - zc0301_release_buffers(cam); - - if (s->set_crop) - err += s->set_crop(cam, rect); - - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To " - "use the camera, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -EIO; - } - - s->pix_format.width = rect->width; - s->pix_format.height = rect->height; - memcpy(&(s->_rect), rect, sizeof(*rect)); - - if ((cam->module_param.force_munmap || cam->io == IO_READ) && - nbuffers != zc0301_request_buffers(cam, nbuffers, cam->io)) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To " - "use the camera, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -ENOMEM; - } - - if (cam->io == IO_READ) - zc0301_empty_framequeues(cam); - else if (cam->module_param.force_munmap) - zc0301_requeue_outqueue(cam); - - cam->stream = stream; - - return 0; -} - - -static int -zc0301_vidioc_enum_framesizes(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_frmsizeenum frmsize; - - if (copy_from_user(&frmsize, arg, sizeof(frmsize))) - return -EFAULT; - - if (frmsize.index != 0 && frmsize.index != 1) - return -EINVAL; - - if (frmsize.pixel_format != V4L2_PIX_FMT_JPEG) - return -EINVAL; - - frmsize.type = V4L2_FRMSIZE_TYPE_DISCRETE; - - if (frmsize.index == 1) { - frmsize.discrete.width = cam->sensor.cropcap.defrect.width; - frmsize.discrete.height = cam->sensor.cropcap.defrect.height; - } - memset(&frmsize.reserved, 0, sizeof(frmsize.reserved)); - - if (copy_to_user(arg, &frmsize, sizeof(frmsize))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_enum_fmt(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_fmtdesc fmtd; - - if (copy_from_user(&fmtd, arg, sizeof(fmtd))) - return -EFAULT; - - if (fmtd.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (fmtd.index == 0) { - strcpy(fmtd.description, "JPEG"); - fmtd.pixelformat = V4L2_PIX_FMT_JPEG; - fmtd.flags = V4L2_FMT_FLAG_COMPRESSED; - } else - return -EINVAL; - - fmtd.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - memset(&fmtd.reserved, 0, sizeof(fmtd.reserved)); - - if (copy_to_user(arg, &fmtd, sizeof(fmtd))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_g_fmt(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_format format; - struct v4l2_pix_format* pfmt = &(cam->sensor.pix_format); - - if (copy_from_user(&format, arg, sizeof(format))) - return -EFAULT; - - if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - pfmt->bytesperline = 0; - pfmt->sizeimage = pfmt->height * ((pfmt->width*pfmt->priv)/8); - pfmt->field = V4L2_FIELD_NONE; - memcpy(&(format.fmt.pix), pfmt, sizeof(*pfmt)); - - if (copy_to_user(arg, &format, sizeof(format))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_try_s_fmt(struct zc0301_device* cam, unsigned int cmd, - void __user * arg) -{ - struct zc0301_sensor* s = &cam->sensor; - struct v4l2_format format; - struct v4l2_pix_format* pix; - struct v4l2_pix_format* pfmt = &(s->pix_format); - struct v4l2_rect* bounds = &(s->cropcap.bounds); - struct v4l2_rect rect; - const enum zc0301_stream_state stream = cam->stream; - const u32 nbuffers = cam->nbuffers; - u32 i; - int err = 0; - - if (copy_from_user(&format, arg, sizeof(format))) - return -EFAULT; - - pix = &(format.fmt.pix); - - if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - memcpy(&rect, &(s->_rect), sizeof(rect)); - - if (!s->set_crop) { - pix->width = rect.width; - pix->height = rect.height; - } else { - rect.width = pix->width; - rect.height = pix->height; - } - - if (rect.width < 8) - rect.width = 8; - if (rect.height < 8) - rect.height = 8; - if (rect.width > bounds->left + bounds->width - rect.left) - rect.width = bounds->left + bounds->width - rect.left; - if (rect.height > bounds->top + bounds->height - rect.top) - rect.height = bounds->top + bounds->height - rect.top; - rect.width &= ~7L; - rect.height &= ~7L; - - pix->width = rect.width; - pix->height = rect.height; - pix->pixelformat = pfmt->pixelformat; - pix->priv = pfmt->priv; - pix->colorspace = pfmt->colorspace; - pix->bytesperline = 0; - pix->sizeimage = pix->height * ((pix->width * pix->priv) / 8); - pix->field = V4L2_FIELD_NONE; - - if (cmd == VIDIOC_TRY_FMT) { - if (copy_to_user(arg, &format, sizeof(format))) - return -EFAULT; - return 0; - } - - if (cam->module_param.force_munmap) - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_S_FMT failed. " - "Unmap the buffers first."); - return -EBUSY; - } - - if (cam->stream == STREAM_ON) - if ((err = zc0301_stream_interrupt(cam))) - return err; - - if (copy_to_user(arg, &format, sizeof(format))) { - cam->stream = stream; - return -EFAULT; - } - - if (cam->module_param.force_munmap || cam->io == IO_READ) - zc0301_release_buffers(cam); - - if (s->set_crop) - err += s->set_crop(cam, &rect); - - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To " - "use the camera, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -EIO; - } - - memcpy(pfmt, pix, sizeof(*pix)); - memcpy(&(s->_rect), &rect, sizeof(rect)); - - if ((cam->module_param.force_munmap || cam->io == IO_READ) && - nbuffers != zc0301_request_buffers(cam, nbuffers, cam->io)) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To " - "use the camera, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -ENOMEM; - } - - if (cam->io == IO_READ) - zc0301_empty_framequeues(cam); - else if (cam->module_param.force_munmap) - zc0301_requeue_outqueue(cam); - - cam->stream = stream; - - return 0; -} - - -static int -zc0301_vidioc_g_jpegcomp(struct zc0301_device* cam, void __user * arg) -{ - if (copy_to_user(arg, &cam->compression, sizeof(cam->compression))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_s_jpegcomp(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_jpegcompression jc; - const enum zc0301_stream_state stream = cam->stream; - int err = 0; - - if (copy_from_user(&jc, arg, sizeof(jc))) - return -EFAULT; - - if (jc.quality != 0) - return -EINVAL; - - if (cam->stream == STREAM_ON) - if ((err = zc0301_stream_interrupt(cam))) - return err; - - err += zc0301_set_compression(cam, &jc); - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware " - "problems. To use the camera, close and open %s again.", - video_device_node_name(cam->v4ldev)); - return -EIO; - } - - cam->compression.quality = jc.quality; - - cam->stream = stream; - - return 0; -} - - -static int -zc0301_vidioc_reqbufs(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_requestbuffers rb; - u32 i; - int err; - - if (copy_from_user(&rb, arg, sizeof(rb))) - return -EFAULT; - - if (rb.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - rb.memory != V4L2_MEMORY_MMAP) - return -EINVAL; - - if (cam->io == IO_READ) { - DBG(3, "Close and open the device again to choose the mmap " - "I/O method"); - return -EBUSY; - } - - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_REQBUFS failed. " - "Previous buffers are still mapped."); - return -EBUSY; - } - - if (cam->stream == STREAM_ON) - if ((err = zc0301_stream_interrupt(cam))) - return err; - - zc0301_empty_framequeues(cam); - - zc0301_release_buffers(cam); - if (rb.count) - rb.count = zc0301_request_buffers(cam, rb.count, IO_MMAP); - - if (copy_to_user(arg, &rb, sizeof(rb))) { - zc0301_release_buffers(cam); - cam->io = IO_NONE; - return -EFAULT; - } - - cam->io = rb.count ? IO_MMAP : IO_NONE; - - return 0; -} - - -static int -zc0301_vidioc_querybuf(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_buffer b; - - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; - - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b.index >= cam->nbuffers || cam->io != IO_MMAP) - return -EINVAL; - - memcpy(&b, &cam->frame[b.index].buf, sizeof(b)); - - if (cam->frame[b.index].vma_use_count) - b.flags |= V4L2_BUF_FLAG_MAPPED; - - if (cam->frame[b.index].state == F_DONE) - b.flags |= V4L2_BUF_FLAG_DONE; - else if (cam->frame[b.index].state != F_UNUSED) - b.flags |= V4L2_BUF_FLAG_QUEUED; - - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_qbuf(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_buffer b; - unsigned long lock_flags; - - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; - - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b.index >= cam->nbuffers || cam->io != IO_MMAP) - return -EINVAL; - - if (cam->frame[b.index].state != F_UNUSED) - return -EINVAL; - - cam->frame[b.index].state = F_QUEUED; - - spin_lock_irqsave(&cam->queue_lock, lock_flags); - list_add_tail(&cam->frame[b.index].frame, &cam->inqueue); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - - PDBGG("Frame #%lu queued", (unsigned long)b.index); - - return 0; -} - - -static int -zc0301_vidioc_dqbuf(struct zc0301_device* cam, struct file* filp, - void __user * arg) -{ - struct v4l2_buffer b; - struct zc0301_frame_t *f; - unsigned long lock_flags; - long timeout; - - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; - - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io!= IO_MMAP) - return -EINVAL; - - if (list_empty(&cam->outqueue)) { - if (cam->stream == STREAM_OFF) - return -EINVAL; - if (filp->f_flags & O_NONBLOCK) - return -EAGAIN; - timeout = wait_event_interruptible_timeout - ( cam->wait_frame, - (!list_empty(&cam->outqueue)) || - (cam->state & DEV_DISCONNECTED) || - (cam->state & DEV_MISCONFIGURED), - cam->module_param.frame_timeout * - 1000 * msecs_to_jiffies(1) ); - if (timeout < 0) - return timeout; - if (cam->state & DEV_DISCONNECTED) - return -ENODEV; - if (!timeout || (cam->state & DEV_MISCONFIGURED)) - return -EIO; - } - - spin_lock_irqsave(&cam->queue_lock, lock_flags); - f = list_entry(cam->outqueue.next, struct zc0301_frame_t, frame); - list_del(cam->outqueue.next); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - - f->state = F_UNUSED; - - memcpy(&b, &f->buf, sizeof(b)); - if (f->vma_use_count) - b.flags |= V4L2_BUF_FLAG_MAPPED; - - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; - - PDBGG("Frame #%lu dequeued", (unsigned long)f->buf.index); - - return 0; -} - - -static int -zc0301_vidioc_streamon(struct zc0301_device* cam, void __user * arg) -{ - int type; - - if (copy_from_user(&type, arg, sizeof(type))) - return -EFAULT; - - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) - return -EINVAL; - - cam->stream = STREAM_ON; - - DBG(3, "Stream on"); - - return 0; -} - - -static int -zc0301_vidioc_streamoff(struct zc0301_device* cam, void __user * arg) -{ - int type, err; - - if (copy_from_user(&type, arg, sizeof(type))) - return -EFAULT; - - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) - return -EINVAL; - - if (cam->stream == STREAM_ON) - if ((err = zc0301_stream_interrupt(cam))) - return err; - - zc0301_empty_framequeues(cam); - - DBG(3, "Stream off"); - - return 0; -} - - -static int -zc0301_vidioc_g_parm(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_streamparm sp; - - if (copy_from_user(&sp, arg, sizeof(sp))) - return -EFAULT; - - if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - sp.parm.capture.extendedmode = 0; - sp.parm.capture.readbuffers = cam->nreadbuffers; - - if (copy_to_user(arg, &sp, sizeof(sp))) - return -EFAULT; - - return 0; -} - - -static int -zc0301_vidioc_s_parm(struct zc0301_device* cam, void __user * arg) -{ - struct v4l2_streamparm sp; - - if (copy_from_user(&sp, arg, sizeof(sp))) - return -EFAULT; - - if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - sp.parm.capture.extendedmode = 0; - - if (sp.parm.capture.readbuffers == 0) - sp.parm.capture.readbuffers = cam->nreadbuffers; - - if (sp.parm.capture.readbuffers > ZC0301_MAX_FRAMES) - sp.parm.capture.readbuffers = ZC0301_MAX_FRAMES; - - if (copy_to_user(arg, &sp, sizeof(sp))) - return -EFAULT; - - cam->nreadbuffers = sp.parm.capture.readbuffers; - - return 0; -} - - -static long zc0301_ioctl_v4l2(struct file *filp, - unsigned int cmd, void __user *arg) -{ - struct zc0301_device *cam = video_drvdata(filp); - - switch (cmd) { - - case VIDIOC_QUERYCAP: - return zc0301_vidioc_querycap(cam, arg); - - case VIDIOC_ENUMINPUT: - return zc0301_vidioc_enuminput(cam, arg); - - case VIDIOC_G_INPUT: - return zc0301_vidioc_g_input(cam, arg); - - case VIDIOC_S_INPUT: - return zc0301_vidioc_s_input(cam, arg); - - case VIDIOC_QUERYCTRL: - return zc0301_vidioc_query_ctrl(cam, arg); - - case VIDIOC_G_CTRL: - return zc0301_vidioc_g_ctrl(cam, arg); - - case VIDIOC_S_CTRL: - return zc0301_vidioc_s_ctrl(cam, arg); - - case VIDIOC_CROPCAP: - return zc0301_vidioc_cropcap(cam, arg); - - case VIDIOC_G_CROP: - return zc0301_vidioc_g_crop(cam, arg); - - case VIDIOC_S_CROP: - return zc0301_vidioc_s_crop(cam, arg); - - case VIDIOC_ENUM_FMT: - return zc0301_vidioc_enum_fmt(cam, arg); - - case VIDIOC_G_FMT: - return zc0301_vidioc_g_fmt(cam, arg); - - case VIDIOC_TRY_FMT: - case VIDIOC_S_FMT: - return zc0301_vidioc_try_s_fmt(cam, cmd, arg); - - case VIDIOC_ENUM_FRAMESIZES: - return zc0301_vidioc_enum_framesizes(cam, arg); - - case VIDIOC_G_JPEGCOMP: - return zc0301_vidioc_g_jpegcomp(cam, arg); - - case VIDIOC_S_JPEGCOMP: - return zc0301_vidioc_s_jpegcomp(cam, arg); - - case VIDIOC_REQBUFS: - return zc0301_vidioc_reqbufs(cam, arg); - - case VIDIOC_QUERYBUF: - return zc0301_vidioc_querybuf(cam, arg); - - case VIDIOC_QBUF: - return zc0301_vidioc_qbuf(cam, arg); - - case VIDIOC_DQBUF: - return zc0301_vidioc_dqbuf(cam, filp, arg); - - case VIDIOC_STREAMON: - return zc0301_vidioc_streamon(cam, arg); - - case VIDIOC_STREAMOFF: - return zc0301_vidioc_streamoff(cam, arg); - - case VIDIOC_G_PARM: - return zc0301_vidioc_g_parm(cam, arg); - - case VIDIOC_S_PARM: - return zc0301_vidioc_s_parm(cam, arg); - - case VIDIOC_G_STD: - case VIDIOC_S_STD: - case VIDIOC_QUERYSTD: - case VIDIOC_ENUMSTD: - case VIDIOC_QUERYMENU: - case VIDIOC_ENUM_FRAMEINTERVALS: - return -EINVAL; - - default: - return -EINVAL; - - } -} - - -static long zc0301_ioctl(struct file *filp, - unsigned int cmd, unsigned long arg) -{ - struct zc0301_device *cam = video_drvdata(filp); - int err = 0; - - if (mutex_lock_interruptible(&cam->fileop_mutex)) - return -ERESTARTSYS; - - if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present"); - mutex_unlock(&cam->fileop_mutex); - return -ENODEV; - } - - if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it " - "again."); - mutex_unlock(&cam->fileop_mutex); - return -EIO; - } - - V4LDBG(3, "zc0301", cmd); - - err = zc0301_ioctl_v4l2(filp, cmd, (void __user *)arg); - - mutex_unlock(&cam->fileop_mutex); - - return err; -} - - -static const struct v4l2_file_operations zc0301_fops = { - .owner = THIS_MODULE, - .open = zc0301_open, - .release = zc0301_release, - .ioctl = zc0301_ioctl, - .read = zc0301_read, - .poll = zc0301_poll, - .mmap = zc0301_mmap, -}; - -/*****************************************************************************/ - -static int -zc0301_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - struct zc0301_device* cam; - static unsigned int dev_nr; - unsigned int i; - int err = 0; - - if (!(cam = kzalloc(sizeof(struct zc0301_device), GFP_KERNEL))) - return -ENOMEM; - - cam->usbdev = udev; - - if (!(cam->control_buffer = kzalloc(4, GFP_KERNEL))) { - DBG(1, "kmalloc() failed"); - err = -ENOMEM; - goto fail; - } - - if (!(cam->v4ldev = video_device_alloc())) { - DBG(1, "video_device_alloc() failed"); - err = -ENOMEM; - goto fail; - } - - DBG(2, "ZC0301[P] Image Processor and Control Chip detected " - "(vid/pid 0x%04X:0x%04X)",id->idVendor, id->idProduct); - - for (i = 0; zc0301_sensor_table[i]; i++) { - err = zc0301_sensor_table[i](cam); - if (!err) - break; - } - - if (!err) - DBG(2, "%s image sensor detected", cam->sensor.name); - else { - DBG(1, "No supported image sensor detected"); - err = -ENODEV; - goto fail; - } - - if (zc0301_init(cam)) { - DBG(1, "Initialization failed. I will retry on open()."); - cam->state |= DEV_MISCONFIGURED; - } - - strcpy(cam->v4ldev->name, "ZC0301[P] PC Camera"); - cam->v4ldev->fops = &zc0301_fops; - cam->v4ldev->release = video_device_release; - cam->v4ldev->parent = &udev->dev; - video_set_drvdata(cam->v4ldev, cam); - - init_completion(&cam->probe); - - err = video_register_device(cam->v4ldev, VFL_TYPE_GRABBER, - video_nr[dev_nr]); - if (err) { - DBG(1, "V4L2 device registration failed"); - if (err == -ENFILE && video_nr[dev_nr] == -1) - DBG(1, "Free /dev/videoX node not found"); - video_nr[dev_nr] = -1; - dev_nr = (dev_nr < ZC0301_MAX_DEVICES-1) ? dev_nr+1 : 0; - complete_all(&cam->probe); - goto fail; - } - - DBG(2, "V4L2 device registered as %s", - video_device_node_name(cam->v4ldev)); - - cam->module_param.force_munmap = force_munmap[dev_nr]; - cam->module_param.frame_timeout = frame_timeout[dev_nr]; - - dev_nr = (dev_nr < ZC0301_MAX_DEVICES-1) ? dev_nr+1 : 0; - - usb_set_intfdata(intf, cam); - kref_init(&cam->kref); - usb_get_dev(cam->usbdev); - - complete_all(&cam->probe); - - return 0; - -fail: - if (cam) { - kfree(cam->control_buffer); - if (cam->v4ldev) - video_device_release(cam->v4ldev); - kfree(cam); - } - return err; -} - - -static void zc0301_usb_disconnect(struct usb_interface* intf) -{ - struct zc0301_device* cam; - - down_write(&zc0301_dev_lock); - - cam = usb_get_intfdata(intf); - - DBG(2, "Disconnecting %s...", cam->v4ldev->name); - - if (cam->users) { - DBG(2, "Device %s is open! Deregistration and " - "memory deallocation are deferred.", - video_device_node_name(cam->v4ldev)); - cam->state |= DEV_MISCONFIGURED; - zc0301_stop_transfer(cam); - cam->state |= DEV_DISCONNECTED; - wake_up_interruptible(&cam->wait_frame); - wake_up(&cam->wait_stream); - } else - cam->state |= DEV_DISCONNECTED; - - wake_up_interruptible_all(&cam->wait_open); - - kref_put(&cam->kref, zc0301_release_resources); - - up_write(&zc0301_dev_lock); -} - - -static struct usb_driver zc0301_usb_driver = { - .name = "zc0301", - .id_table = zc0301_id_table, - .probe = zc0301_usb_probe, - .disconnect = zc0301_usb_disconnect, -}; - -/*****************************************************************************/ - -static int __init zc0301_module_init(void) -{ - int err = 0; - - KDBG(2, ZC0301_MODULE_NAME " v" ZC0301_MODULE_VERSION); - KDBG(3, ZC0301_MODULE_AUTHOR); - - if ((err = usb_register(&zc0301_usb_driver))) - KDBG(1, "usb_register() failed"); - - return err; -} - - -static void __exit zc0301_module_exit(void) -{ - usb_deregister(&zc0301_usb_driver); -} - - -module_init(zc0301_module_init); -module_exit(zc0301_module_exit); diff --git a/drivers/media/video/zc0301/zc0301_pas202bcb.c b/drivers/media/video/zc0301/zc0301_pas202bcb.c deleted file mode 100644 index 24b0dfb..0000000 --- a/drivers/media/video/zc0301/zc0301_pas202bcb.c +++ /dev/null @@ -1,362 +0,0 @@ -/*************************************************************************** - * Plug-in for PAS202BCB image sensor connected to the ZC0301 Image * - * Processor and Control Chip * - * * - * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * - * * - * Initialization values of the ZC0301[P] have been taken from the SPCA5XX * - * driver maintained by Michel Xhaard <mxhaard@magic.fr> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - ***************************************************************************/ - -/* - NOTE: Sensor controls are disabled for now, becouse changing them while - streaming sometimes results in out-of-sync video frames. We'll use - the default initialization, until we know how to stop and start video - in the chip. However, the image quality still looks good under various - light conditions. -*/ - -#include <linux/delay.h> -#include "zc0301_sensor.h" - - -static struct zc0301_sensor pas202bcb; - - -static int pas202bcb_init(struct zc0301_device* cam) -{ - int err = 0; - - err += zc0301_write_reg(cam, 0x0002, 0x00); - err += zc0301_write_reg(cam, 0x0003, 0x02); - err += zc0301_write_reg(cam, 0x0004, 0x80); - err += zc0301_write_reg(cam, 0x0005, 0x01); - err += zc0301_write_reg(cam, 0x0006, 0xE0); - err += zc0301_write_reg(cam, 0x0098, 0x00); - err += zc0301_write_reg(cam, 0x009A, 0x03); - err += zc0301_write_reg(cam, 0x011A, 0x00); - err += zc0301_write_reg(cam, 0x011C, 0x03); - err += zc0301_write_reg(cam, 0x009B, 0x01); - err += zc0301_write_reg(cam, 0x009C, 0xE6); - err += zc0301_write_reg(cam, 0x009D, 0x02); - err += zc0301_write_reg(cam, 0x009E, 0x86); - - err += zc0301_i2c_write(cam, 0x02, 0x02); - err += zc0301_i2c_write(cam, 0x0A, 0x01); - err += zc0301_i2c_write(cam, 0x0B, 0x01); - err += zc0301_i2c_write(cam, 0x0D, 0x00); - err += zc0301_i2c_write(cam, 0x12, 0x05); - err += zc0301_i2c_write(cam, 0x13, 0x63); - err += zc0301_i2c_write(cam, 0x15, 0x70); - - err += zc0301_write_reg(cam, 0x0101, 0xB7); - err += zc0301_write_reg(cam, 0x0100, 0x0D); - err += zc0301_write_reg(cam, 0x0189, 0x06); - err += zc0301_write_reg(cam, 0x01AD, 0x00); - err += zc0301_write_reg(cam, 0x01C5, 0x03); - err += zc0301_write_reg(cam, 0x01CB, 0x13); - err += zc0301_write_reg(cam, 0x0250, 0x08); - err += zc0301_write_reg(cam, 0x0301, 0x08); - err += zc0301_write_reg(cam, 0x018D, 0x70); - err += zc0301_write_reg(cam, 0x0008, 0x03); - err += zc0301_write_reg(cam, 0x01C6, 0x04); - err += zc0301_write_reg(cam, 0x01CB, 0x07); - err += zc0301_write_reg(cam, 0x0120, 0x11); - err += zc0301_write_reg(cam, 0x0121, 0x37); - err += zc0301_write_reg(cam, 0x0122, 0x58); - err += zc0301_write_reg(cam, 0x0123, 0x79); - err += zc0301_write_reg(cam, 0x0124, 0x91); - err += zc0301_write_reg(cam, 0x0125, 0xA6); - err += zc0301_write_reg(cam, 0x0126, 0xB8); - err += zc0301_write_reg(cam, 0x0127, 0xC7); - err += zc0301_write_reg(cam, 0x0128, 0xD3); - err += zc0301_write_reg(cam, 0x0129, 0xDE); - err += zc0301_write_reg(cam, 0x012A, 0xE6); - err += zc0301_write_reg(cam, 0x012B, 0xED); - err += zc0301_write_reg(cam, 0x012C, 0xF3); - err += zc0301_write_reg(cam, 0x012D, 0xF8); - err += zc0301_write_reg(cam, 0x012E, 0xFB); - err += zc0301_write_reg(cam, 0x012F, 0xFF); - err += zc0301_write_reg(cam, 0x0130, 0x26); - err += zc0301_write_reg(cam, 0x0131, 0x23); - err += zc0301_write_reg(cam, 0x0132, 0x20); - err += zc0301_write_reg(cam, 0x0133, 0x1C); - err += zc0301_write_reg(cam, 0x0134, 0x16); - err += zc0301_write_reg(cam, 0x0135, 0x13); - err += zc0301_write_reg(cam, 0x0136, 0x10); - err += zc0301_write_reg(cam, 0x0137, 0x0D); - err += zc0301_write_reg(cam, 0x0138, 0x0B); - err += zc0301_write_reg(cam, 0x0139, 0x09); - err += zc0301_write_reg(cam, 0x013A, 0x07); - err += zc0301_write_reg(cam, 0x013B, 0x06); - err += zc0301_write_reg(cam, 0x013C, 0x05); - err += zc0301_write_reg(cam, 0x013D, 0x04); - err += zc0301_write_reg(cam, 0x013E, 0x03); - err += zc0301_write_reg(cam, 0x013F, 0x02); - err += zc0301_write_reg(cam, 0x010A, 0x4C); - err += zc0301_write_reg(cam, 0x010B, 0xF5); - err += zc0301_write_reg(cam, 0x010C, 0xFF); - err += zc0301_write_reg(cam, 0x010D, 0xF9); - err += zc0301_write_reg(cam, 0x010E, 0x51); - err += zc0301_write_reg(cam, 0x010F, 0xF5); - err += zc0301_write_reg(cam, 0x0110, 0xFB); - err += zc0301_write_reg(cam, 0x0111, 0xED); - err += zc0301_write_reg(cam, 0x0112, 0x5F); - err += zc0301_write_reg(cam, 0x0180, 0x00); - err += zc0301_write_reg(cam, 0x0019, 0x00); - err += zc0301_write_reg(cam, 0x0087, 0x20); - err += zc0301_write_reg(cam, 0x0088, 0x21); - - err += zc0301_i2c_write(cam, 0x20, 0x02); - err += zc0301_i2c_write(cam, 0x21, 0x1B); - err += zc0301_i2c_write(cam, 0x03, 0x44); - err += zc0301_i2c_write(cam, 0x0E, 0x01); - err += zc0301_i2c_write(cam, 0x0F, 0x00); - - err += zc0301_write_reg(cam, 0x01A9, 0x14); - err += zc0301_write_reg(cam, 0x01AA, 0x24); - err += zc0301_write_reg(cam, 0x0190, 0x00); - err += zc0301_write_reg(cam, 0x0191, 0x02); - err += zc0301_write_reg(cam, 0x0192, 0x1B); - err += zc0301_write_reg(cam, 0x0195, 0x00); - err += zc0301_write_reg(cam, 0x0196, 0x00); - err += zc0301_write_reg(cam, 0x0197, 0x4D); - err += zc0301_write_reg(cam, 0x018C, 0x10); - err += zc0301_write_reg(cam, 0x018F, 0x20); - err += zc0301_write_reg(cam, 0x001D, 0x44); - err += zc0301_write_reg(cam, 0x001E, 0x6F); - err += zc0301_write_reg(cam, 0x001F, 0xAD); - err += zc0301_write_reg(cam, 0x0020, 0xEB); - err += zc0301_write_reg(cam, 0x0087, 0x0F); - err += zc0301_write_reg(cam, 0x0088, 0x0E); - err += zc0301_write_reg(cam, 0x0180, 0x40); - err += zc0301_write_reg(cam, 0x0192, 0x1B); - err += zc0301_write_reg(cam, 0x0191, 0x02); - err += zc0301_write_reg(cam, 0x0190, 0x00); - err += zc0301_write_reg(cam, 0x0116, 0x1D); - err += zc0301_write_reg(cam, 0x0117, 0x40); - err += zc0301_write_reg(cam, 0x0118, 0x99); - err += zc0301_write_reg(cam, 0x0180, 0x42); - err += zc0301_write_reg(cam, 0x0116, 0x1D); - err += zc0301_write_reg(cam, 0x0117, 0x40); - err += zc0301_write_reg(cam, 0x0118, 0x99); - err += zc0301_write_reg(cam, 0x0007, 0x00); - - err += zc0301_i2c_write(cam, 0x11, 0x01); - - msleep(100); - - return err; -} - - -static int pas202bcb_get_ctrl(struct zc0301_device* cam, - struct v4l2_control* ctrl) -{ - switch (ctrl->id) { - case V4L2_CID_EXPOSURE: - { - int r1 = zc0301_i2c_read(cam, 0x04, 1), - r2 = zc0301_i2c_read(cam, 0x05, 1); - if (r1 < 0 || r2 < 0) - return -EIO; - ctrl->value = (r1 << 6) | (r2 & 0x3f); - } - return 0; - case V4L2_CID_RED_BALANCE: - if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0) - return -EIO; - ctrl->value &= 0x0f; - return 0; - case V4L2_CID_BLUE_BALANCE: - if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0) - return -EIO; - ctrl->value &= 0x0f; - return 0; - case V4L2_CID_GAIN: - if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0) - return -EIO; - ctrl->value &= 0x1f; - return 0; - case ZC0301_V4L2_CID_GREEN_BALANCE: - if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0) - return -EIO; - ctrl->value &= 0x0f; - return 0; - case ZC0301_V4L2_CID_DAC_MAGNITUDE: - if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0) - return -EIO; - return 0; - default: - return -EINVAL; - } -} - - -static int pas202bcb_set_ctrl(struct zc0301_device* cam, - const struct v4l2_control* ctrl) -{ - int err = 0; - - switch (ctrl->id) { - case V4L2_CID_EXPOSURE: - err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6); - err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f); - break; - case V4L2_CID_RED_BALANCE: - err += zc0301_i2c_write(cam, 0x09, ctrl->value); - break; - case V4L2_CID_BLUE_BALANCE: - err += zc0301_i2c_write(cam, 0x07, ctrl->value); - break; - case V4L2_CID_GAIN: - err += zc0301_i2c_write(cam, 0x10, ctrl->value); - break; - case ZC0301_V4L2_CID_GREEN_BALANCE: - err += zc0301_i2c_write(cam, 0x08, ctrl->value); - break; - case ZC0301_V4L2_CID_DAC_MAGNITUDE: - err += zc0301_i2c_write(cam, 0x0c, ctrl->value); - break; - default: - return -EINVAL; - } - err += zc0301_i2c_write(cam, 0x11, 0x01); - - return err ? -EIO : 0; -} - - -static struct zc0301_sensor pas202bcb = { - .name = "PAS202BCB", - .init = &pas202bcb_init, - .qctrl = { - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "exposure", - .minimum = 0x01e5, - .maximum = 0x3fff, - .step = 0x0001, - .default_value = 0x01e5, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "global gain", - .minimum = 0x00, - .maximum = 0x1f, - .step = 0x01, - .default_value = 0x0c, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - { - .id = ZC0301_V4L2_CID_DAC_MAGNITUDE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "DAC magnitude", - .minimum = 0x00, - .maximum = 0xff, - .step = 0x01, - .default_value = 0x00, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - { - .id = V4L2_CID_RED_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "red balance", - .minimum = 0x00, - .maximum = 0x0f, - .step = 0x01, - .default_value = 0x01, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - { - .id = V4L2_CID_BLUE_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "blue balance", - .minimum = 0x00, - .maximum = 0x0f, - .step = 0x01, - .default_value = 0x05, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - { - .id = ZC0301_V4L2_CID_GREEN_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "green balance", - .minimum = 0x00, - .maximum = 0x0f, - .step = 0x01, - .default_value = 0x00, - .flags = V4L2_CTRL_FLAG_DISABLED, - }, - }, - .get_ctrl = &pas202bcb_get_ctrl, - .set_ctrl = &pas202bcb_set_ctrl, - .cropcap = { - .bounds = { - .left = 0, - .top = 0, - .width = 640, - .height = 480, - }, - .defrect = { - .left = 0, - .top = 0, - .width = 640, - .height = 480, - }, - }, - .pix_format = { - .width = 640, - .height = 480, - .pixelformat = V4L2_PIX_FMT_JPEG, - .priv = 8, - .colorspace = V4L2_COLORSPACE_JPEG, - }, -}; - - -int zc0301_probe_pas202bcb(struct zc0301_device* cam) -{ - int r0 = 0, r1 = 0, err = 0; - unsigned int pid = 0; - - err += zc0301_write_reg(cam, 0x0000, 0x01); - err += zc0301_write_reg(cam, 0x0010, 0x0e); - err += zc0301_write_reg(cam, 0x0001, 0x01); - err += zc0301_write_reg(cam, 0x0012, 0x03); - err += zc0301_write_reg(cam, 0x0012, 0x01); - err += zc0301_write_reg(cam, 0x008d, 0x08); - - msleep(10); - - r0 = zc0301_i2c_read(cam, 0x00, 1); - r1 = zc0301_i2c_read(cam, 0x01, 1); - - if (r0 < 0 || r1 < 0 || err) - return -EIO; - - pid = (r0 << 4) | ((r1 & 0xf0) >> 4); - if (pid != 0x017) - return -ENODEV; - - zc0301_attach_sensor(cam, &pas202bcb); - - return 0; -} diff --git a/drivers/media/video/zc0301/zc0301_pb0330.c b/drivers/media/video/zc0301/zc0301_pb0330.c deleted file mode 100644 index 9519aba..0000000 --- a/drivers/media/video/zc0301/zc0301_pb0330.c +++ /dev/null @@ -1,188 +0,0 @@ -/*************************************************************************** - * Plug-in for PB-0330 image sensor connected to the ZC0301P Image * - * Processor and Control Chip * - * * - * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * - * * - * Initialization values of the ZC0301[P] have been taken from the SPCA5XX * - * driver maintained by Michel Xhaard <mxhaard@magic.fr> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - ***************************************************************************/ - -#include <linux/delay.h> -#include "zc0301_sensor.h" - - -static struct zc0301_sensor pb0330; - - -static int pb0330_init(struct zc0301_device* cam) -{ - int err = 0; - - err += zc0301_write_reg(cam, 0x0000, 0x01); - err += zc0301_write_reg(cam, 0x0008, 0x03); - err += zc0301_write_reg(cam, 0x0010, 0x0A); - err += zc0301_write_reg(cam, 0x0002, 0x00); - err += zc0301_write_reg(cam, 0x0003, 0x02); - err += zc0301_write_reg(cam, 0x0004, 0x80); - err += zc0301_write_reg(cam, 0x0005, 0x01); - err += zc0301_write_reg(cam, 0x0006, 0xE0); - err += zc0301_write_reg(cam, 0x0001, 0x01); - err += zc0301_write_reg(cam, 0x0012, 0x05); - err += zc0301_write_reg(cam, 0x0012, 0x07); - err += zc0301_write_reg(cam, 0x0098, 0x00); - err += zc0301_write_reg(cam, 0x009A, 0x00); - err += zc0301_write_reg(cam, 0x011A, 0x00); - err += zc0301_write_reg(cam, 0x011C, 0x00); - err += zc0301_write_reg(cam, 0x0012, 0x05); - - err += zc0301_i2c_write(cam, 0x01, 0x0006); - err += zc0301_i2c_write(cam, 0x02, 0x0011); - err += zc0301_i2c_write(cam, 0x03, 0x01E7); - err += zc0301_i2c_write(cam, 0x04, 0x0287); - err += zc0301_i2c_write(cam, 0x06, 0x0003); - err += zc0301_i2c_write(cam, 0x07, 0x3002); - err += zc0301_i2c_write(cam, 0x20, 0x1100); - err += zc0301_i2c_write(cam, 0x2F, 0xF7B0); - err += zc0301_i2c_write(cam, 0x30, 0x0005); - err += zc0301_i2c_write(cam, 0x31, 0x0000); - err += zc0301_i2c_write(cam, 0x34, 0x0100); - err += zc0301_i2c_write(cam, 0x35, 0x0060); - err += zc0301_i2c_write(cam, 0x3D, 0x068F); - err += zc0301_i2c_write(cam, 0x40, 0x01E0); - err += zc0301_i2c_write(cam, 0x58, 0x0078); - err += zc0301_i2c_write(cam, 0x62, 0x0411); - - err += zc0301_write_reg(cam, 0x0087, 0x10); - err += zc0301_write_reg(cam, 0x0101, 0x37); - err += zc0301_write_reg(cam, 0x0012, 0x05); - err += zc0301_write_reg(cam, 0x0100, 0x0D); - err += zc0301_write_reg(cam, 0x0189, 0x06); - err += zc0301_write_reg(cam, 0x01AD, 0x00); - err += zc0301_write_reg(cam, 0x01C5, 0x03); - err += zc0301_write_reg(cam, 0x01CB, 0x13); - err += zc0301_write_reg(cam, 0x0250, 0x08); - err += zc0301_write_reg(cam, 0x0301, 0x08); - err += zc0301_write_reg(cam, 0x01A8, 0x60); - err += zc0301_write_reg(cam, 0x018D, 0x6C); - err += zc0301_write_reg(cam, 0x01AD, 0x09); - err += zc0301_write_reg(cam, 0x01AE, 0x15); - err += zc0301_write_reg(cam, 0x010A, 0x50); - err += zc0301_write_reg(cam, 0x010B, 0xF8); - err += zc0301_write_reg(cam, 0x010C, 0xF8); - err += zc0301_write_reg(cam, 0x010D, 0xF8); - err += zc0301_write_reg(cam, 0x010E, 0x50); - err += zc0301_write_reg(cam, 0x010F, 0xF8); - err += zc0301_write_reg(cam, 0x0110, 0xF8); - err += zc0301_write_reg(cam, 0x0111, 0xF8); - err += zc0301_write_reg(cam, 0x0112, 0x50); - err += zc0301_write_reg(cam, 0x0008, 0x03); - err += zc0301_write_reg(cam, 0x01C6, 0x08); - err += zc0301_write_reg(cam, 0x01CB, 0x0F); - err += zc0301_write_reg(cam, 0x010A, 0x50); - err += zc0301_write_reg(cam, 0x010B, 0xF8); - err += zc0301_write_reg(cam, 0x010C, 0xF8); - err += zc0301_write_reg(cam, 0x010D, 0xF8); - err += zc0301_write_reg(cam, 0x010E, 0x50); - err += zc0301_write_reg(cam, 0x010F, 0xF8); - err += zc0301_write_reg(cam, 0x0110, 0xF8); - err += zc0301_write_reg(cam, 0x0111, 0xF8); - err += zc0301_write_reg(cam, 0x0112, 0x50); - err += zc0301_write_reg(cam, 0x0180, 0x00); - err += zc0301_write_reg(cam, 0x0019, 0x00); - - err += zc0301_i2c_write(cam, 0x05, 0x0066); - err += zc0301_i2c_write(cam, 0x09, 0x02B2); - err += zc0301_i2c_write(cam, 0x10, 0x0002); - - err += zc0301_write_reg(cam, 0x011D, 0x60); - err += zc0301_write_reg(cam, 0x0190, 0x00); - err += zc0301_write_reg(cam, 0x0191, 0x07); - err += zc0301_write_reg(cam, 0x0192, 0x8C); - err += zc0301_write_reg(cam, 0x0195, 0x00); - err += zc0301_write_reg(cam, 0x0196, 0x00); - err += zc0301_write_reg(cam, 0x0197, 0x8A); - err += zc0301_write_reg(cam, 0x018C, 0x10); - err += zc0301_write_reg(cam, 0x018F, 0x20); - err += zc0301_write_reg(cam, 0x01A9, 0x14); - err += zc0301_write_reg(cam, 0x01AA, 0x24); - err += zc0301_write_reg(cam, 0x001D, 0xD7); - err += zc0301_write_reg(cam, 0x001E, 0xF0); - err += zc0301_write_reg(cam, 0x001F, 0xF8); - err += zc0301_write_reg(cam, 0x0020, 0xFF); - err += zc0301_write_reg(cam, 0x01AD, 0x09); - err += zc0301_write_reg(cam, 0x01AE, 0x15); - err += zc0301_write_reg(cam, 0x0180, 0x40); - err += zc0301_write_reg(cam, 0x0180, 0x42); - - msleep(100); - - return err; -} - - -static struct zc0301_sensor pb0330 = { - .name = "PB-0330", - .init = &pb0330_init, - .cropcap = { - .bounds = { - .left = 0, - .top = 0, - .width = 640, - .height = 480, - }, - .defrect = { - .left = 0, - .top = 0, - .width = 640, - .height = 480, - }, - }, - .pix_format = { - .width = 640, - .height = 480, - .pixelformat = V4L2_PIX_FMT_JPEG, - .priv = 8, - .colorspace = V4L2_COLORSPACE_JPEG, - }, -}; - - -int zc0301_probe_pb0330(struct zc0301_device* cam) -{ - int r0, err = 0; - - err += zc0301_write_reg(cam, 0x0000, 0x01); - err += zc0301_write_reg(cam, 0x0010, 0x0a); - err += zc0301_write_reg(cam, 0x0001, 0x01); - err += zc0301_write_reg(cam, 0x0012, 0x03); - err += zc0301_write_reg(cam, 0x0012, 0x01); - - msleep(10); - - r0 = zc0301_i2c_read(cam, 0x00, 2); - - if (r0 < 0 || err) - return -EIO; - - if (r0 != 0x8243) - return -ENODEV; - - zc0301_attach_sensor(cam, &pb0330); - - return 0; -} diff --git a/drivers/media/video/zc0301/zc0301_sensor.h b/drivers/media/video/zc0301/zc0301_sensor.h deleted file mode 100644 index 0be783c..0000000 --- a/drivers/media/video/zc0301/zc0301_sensor.h +++ /dev/null @@ -1,107 +0,0 @@ -/*************************************************************************** - * API for image sensors connected to the ZC0301[P] Image Processor and * - * Control Chip * - * * - * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the Free Software * - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - ***************************************************************************/ - -#ifndef _ZC0301_SENSOR_H_ -#define _ZC0301_SENSOR_H_ - -#include <linux/usb.h> -#include <linux/videodev2.h> -#include <linux/device.h> -#include <linux/stddef.h> -#include <linux/errno.h> -#include <asm/types.h> - -struct zc0301_device; -struct zc0301_sensor; - -/*****************************************************************************/ - -extern int zc0301_probe_pas202bcb(struct zc0301_device* cam); -extern int zc0301_probe_pb0330(struct zc0301_device* cam); - -#define ZC0301_SENSOR_TABLE \ -/* Weak detections must go at the end of the list */ \ -static int (*zc0301_sensor_table[])(struct zc0301_device*) = { \ - &zc0301_probe_pas202bcb, \ - &zc0301_probe_pb0330, \ - NULL, \ -}; - -extern struct zc0301_device* -zc0301_match_id(struct zc0301_device* cam, const struct usb_device_id *id); - -extern void -zc0301_attach_sensor(struct zc0301_device* cam, struct zc0301_sensor* sensor); - -#define ZC0301_USB_DEVICE(vend, prod, intclass) \ - .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ - USB_DEVICE_ID_MATCH_INT_CLASS, \ - .idVendor = (vend), \ - .idProduct = (prod), \ - .bInterfaceClass = (intclass) - -#if !defined CONFIG_USB_GSPCA_ZC3XX && !defined CONFIG_USB_GSPCA_ZC3XX_MODULE -#define ZC0301_ID_TABLE \ -static const struct usb_device_id zc0301_id_table[] = { \ - { ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202 */ \ - { ZC0301_USB_DEVICE(0x0ac8, 0x303b, 0xff), }, /* PB-0330 */ \ - { } \ -}; -#else -#define ZC0301_ID_TABLE \ -static const struct usb_device_id zc0301_id_table[] = { \ - { ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202 */ \ - { } \ -}; -#endif - -/*****************************************************************************/ - -extern int zc0301_write_reg(struct zc0301_device*, u16 index, u16 value); -extern int zc0301_read_reg(struct zc0301_device*, u16 index); -extern int zc0301_i2c_write(struct zc0301_device*, u16 address, u16 value); -extern int zc0301_i2c_read(struct zc0301_device*, u16 address, u8 length); - -/*****************************************************************************/ - -#define ZC0301_MAX_CTRLS (V4L2_CID_LASTP1 - V4L2_CID_BASE + 10) -#define ZC0301_V4L2_CID_DAC_MAGNITUDE (V4L2_CID_PRIVATE_BASE + 0) -#define ZC0301_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 1) - -struct zc0301_sensor { - char name[32]; - - struct v4l2_queryctrl qctrl[ZC0301_MAX_CTRLS]; - struct v4l2_cropcap cropcap; - struct v4l2_pix_format pix_format; - - int (*init)(struct zc0301_device*); - int (*get_ctrl)(struct zc0301_device*, struct v4l2_control* ctrl); - int (*set_ctrl)(struct zc0301_device*, - const struct v4l2_control* ctrl); - int (*set_crop)(struct zc0301_device*, const struct v4l2_rect* rect); - - /* Private */ - struct v4l2_queryctrl _qctrl[ZC0301_MAX_CTRLS]; - struct v4l2_rect _rect; -}; - -#endif /* _ZC0301_SENSOR_H_ */

[6/6] Remove obsolete zc0301 v4l driver

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Patch