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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * This is the driver for the STA2x11 Video Input Port.
0004  *
0005  * Copyright (C) 2012       ST Microelectronics
0006  *     author: Federico Vaga <federico.vaga@gmail.com>
0007  * Copyright (C) 2010       WindRiver Systems, Inc.
0008  *     authors: Andreas Kies <andreas.kies@windriver.com>
0009  *              Vlad Lungu   <vlad.lungu@windriver.com>
0010  */
0011 
0012 #include <linux/types.h>
0013 #include <linux/kernel.h>
0014 #include <linux/module.h>
0015 #include <linux/init.h>
0016 #include <linux/videodev2.h>
0017 #include <linux/kmod.h>
0018 #include <linux/pci.h>
0019 #include <linux/interrupt.h>
0020 #include <linux/io.h>
0021 #include <linux/gpio.h>
0022 #include <linux/i2c.h>
0023 #include <linux/delay.h>
0024 #include <media/v4l2-common.h>
0025 #include <media/v4l2-device.h>
0026 #include <media/v4l2-ctrls.h>
0027 #include <media/v4l2-ioctl.h>
0028 #include <media/v4l2-fh.h>
0029 #include <media/v4l2-event.h>
0030 #include <media/videobuf2-dma-contig.h>
0031 
0032 #include "sta2x11_vip.h"
0033 
0034 #define DRV_VERSION "1.3"
0035 
0036 #ifndef PCI_DEVICE_ID_STMICRO_VIP
0037 #define PCI_DEVICE_ID_STMICRO_VIP 0xCC0D
0038 #endif
0039 
0040 #define MAX_FRAMES 4
0041 
0042 /*Register offsets*/
0043 #define DVP_CTL     0x00
0044 #define DVP_TFO     0x04
0045 #define DVP_TFS     0x08
0046 #define DVP_BFO     0x0C
0047 #define DVP_BFS     0x10
0048 #define DVP_VTP     0x14
0049 #define DVP_VBP     0x18
0050 #define DVP_VMP     0x1C
0051 #define DVP_ITM     0x98
0052 #define DVP_ITS     0x9C
0053 #define DVP_STA     0xA0
0054 #define DVP_HLFLN   0xA8
0055 #define DVP_RGB     0xC0
0056 #define DVP_PKZ     0xF0
0057 
0058 /*Register fields*/
0059 #define DVP_CTL_ENA 0x00000001
0060 #define DVP_CTL_RST 0x80000000
0061 #define DVP_CTL_DIS (~0x00040001)
0062 
0063 #define DVP_IT_VSB  0x00000008
0064 #define DVP_IT_VST  0x00000010
0065 #define DVP_IT_FIFO 0x00000020
0066 
0067 #define DVP_HLFLN_SD    0x00000001
0068 
0069 #define SAVE_COUNT 8
0070 #define AUX_COUNT 3
0071 #define IRQ_COUNT 1
0072 
0073 
0074 struct vip_buffer {
0075     struct vb2_v4l2_buffer vb;
0076     struct list_head    list;
0077     dma_addr_t      dma;
0078 };
0079 static inline struct vip_buffer *to_vip_buffer(struct vb2_v4l2_buffer *vb2)
0080 {
0081     return container_of(vb2, struct vip_buffer, vb);
0082 }
0083 
0084 /**
0085  * struct sta2x11_vip - All internal data for one instance of device
0086  * @v4l2_dev: device registered in v4l layer
0087  * @video_dev: properties of our device
0088  * @pdev: PCI device
0089  * @adapter: contains I2C adapter information
0090  * @register_save_area: All relevant register are saved here during suspend
0091  * @decoder: contains information about video DAC
0092  * @ctrl_hdl: handler for control framework
0093  * @format: pixel format, fixed UYVY
0094  * @std: video standard (e.g. PAL/NTSC)
0095  * @input: input line for video signal ( 0 or 1 )
0096  * @disabled: Device is in power down state
0097  * @slock: for excluse access of registers
0098  * @vb_vidq: queue maintained by videobuf2 layer
0099  * @buffer_list: list of buffer in use
0100  * @sequence: sequence number of acquired buffer
0101  * @active: current active buffer
0102  * @lock: used in videobuf2 callback
0103  * @v4l_lock: serialize its video4linux ioctls
0104  * @tcount: Number of top frames
0105  * @bcount: Number of bottom frames
0106  * @overflow: Number of FIFO overflows
0107  * @iomem: hardware base address
0108  * @config: I2C and gpio config from platform
0109  *
0110  * All non-local data is accessed via this structure.
0111  */
0112 struct sta2x11_vip {
0113     struct v4l2_device v4l2_dev;
0114     struct video_device video_dev;
0115     struct pci_dev *pdev;
0116     struct i2c_adapter *adapter;
0117     unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT];
0118     struct v4l2_subdev *decoder;
0119     struct v4l2_ctrl_handler ctrl_hdl;
0120 
0121 
0122     struct v4l2_pix_format format;
0123     v4l2_std_id std;
0124     unsigned int input;
0125     int disabled;
0126     spinlock_t slock;
0127 
0128     struct vb2_queue vb_vidq;
0129     struct list_head buffer_list;
0130     unsigned int sequence;
0131     struct vip_buffer *active; /* current active buffer */
0132     spinlock_t lock; /* Used in videobuf2 callback */
0133     struct mutex v4l_lock;
0134 
0135     /* Interrupt counters */
0136     int tcount, bcount;
0137     int overflow;
0138 
0139     void __iomem *iomem;    /* I/O Memory */
0140     struct vip_config *config;
0141 };
0142 
0143 static const unsigned int registers_to_save[AUX_COUNT] = {
0144     DVP_HLFLN, DVP_RGB, DVP_PKZ
0145 };
0146 
0147 static struct v4l2_pix_format formats_50[] = {
0148     {           /*PAL interlaced */
0149      .width = 720,
0150      .height = 576,
0151      .pixelformat = V4L2_PIX_FMT_UYVY,
0152      .field = V4L2_FIELD_INTERLACED,
0153      .bytesperline = 720 * 2,
0154      .sizeimage = 720 * 2 * 576,
0155      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0156     {           /*PAL top */
0157      .width = 720,
0158      .height = 288,
0159      .pixelformat = V4L2_PIX_FMT_UYVY,
0160      .field = V4L2_FIELD_TOP,
0161      .bytesperline = 720 * 2,
0162      .sizeimage = 720 * 2 * 288,
0163      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0164     {           /*PAL bottom */
0165      .width = 720,
0166      .height = 288,
0167      .pixelformat = V4L2_PIX_FMT_UYVY,
0168      .field = V4L2_FIELD_BOTTOM,
0169      .bytesperline = 720 * 2,
0170      .sizeimage = 720 * 2 * 288,
0171      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0172 
0173 };
0174 
0175 static struct v4l2_pix_format formats_60[] = {
0176     {           /*NTSC interlaced */
0177      .width = 720,
0178      .height = 480,
0179      .pixelformat = V4L2_PIX_FMT_UYVY,
0180      .field = V4L2_FIELD_INTERLACED,
0181      .bytesperline = 720 * 2,
0182      .sizeimage = 720 * 2 * 480,
0183      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0184     {           /*NTSC top */
0185      .width = 720,
0186      .height = 240,
0187      .pixelformat = V4L2_PIX_FMT_UYVY,
0188      .field = V4L2_FIELD_TOP,
0189      .bytesperline = 720 * 2,
0190      .sizeimage = 720 * 2 * 240,
0191      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0192     {           /*NTSC bottom */
0193      .width = 720,
0194      .height = 240,
0195      .pixelformat = V4L2_PIX_FMT_UYVY,
0196      .field = V4L2_FIELD_BOTTOM,
0197      .bytesperline = 720 * 2,
0198      .sizeimage = 720 * 2 * 240,
0199      .colorspace = V4L2_COLORSPACE_SMPTE170M},
0200 };
0201 
0202 /* Write VIP register */
0203 static inline void reg_write(struct sta2x11_vip *vip, unsigned int reg, u32 val)
0204 {
0205     iowrite32((val), (vip->iomem)+(reg));
0206 }
0207 /* Read VIP register */
0208 static inline u32 reg_read(struct sta2x11_vip *vip, unsigned int reg)
0209 {
0210     return  ioread32((vip->iomem)+(reg));
0211 }
0212 /* Start DMA acquisition */
0213 static void start_dma(struct sta2x11_vip *vip, struct vip_buffer *vip_buf)
0214 {
0215     unsigned long offset = 0;
0216 
0217     if (vip->format.field == V4L2_FIELD_INTERLACED)
0218         offset = vip->format.width * 2;
0219 
0220     spin_lock_irq(&vip->slock);
0221     /* Enable acquisition */
0222     reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) | DVP_CTL_ENA);
0223     /* Set Top and Bottom Field memory address */
0224     reg_write(vip, DVP_VTP, (u32)vip_buf->dma);
0225     reg_write(vip, DVP_VBP, (u32)vip_buf->dma + offset);
0226     spin_unlock_irq(&vip->slock);
0227 }
0228 
0229 /* Fetch the next buffer to activate */
0230 static void vip_active_buf_next(struct sta2x11_vip *vip)
0231 {
0232     /* Get the next buffer */
0233     spin_lock(&vip->lock);
0234     if (list_empty(&vip->buffer_list)) {/* No available buffer */
0235         spin_unlock(&vip->lock);
0236         return;
0237     }
0238     vip->active = list_first_entry(&vip->buffer_list,
0239                        struct vip_buffer,
0240                        list);
0241     /* Reset Top and Bottom counter */
0242     vip->tcount = 0;
0243     vip->bcount = 0;
0244     spin_unlock(&vip->lock);
0245     if (vb2_is_streaming(&vip->vb_vidq)) {  /* streaming is on */
0246         start_dma(vip, vip->active);    /* start dma capture */
0247     }
0248 }
0249 
0250 
0251 /* Videobuf2 Operations */
0252 static int queue_setup(struct vb2_queue *vq,
0253                unsigned int *nbuffers, unsigned int *nplanes,
0254                unsigned int sizes[], struct device *alloc_devs[])
0255 {
0256     struct sta2x11_vip *vip = vb2_get_drv_priv(vq);
0257 
0258     if (!(*nbuffers) || *nbuffers < MAX_FRAMES)
0259         *nbuffers = MAX_FRAMES;
0260 
0261     *nplanes = 1;
0262     sizes[0] = vip->format.sizeimage;
0263 
0264     vip->sequence = 0;
0265     vip->active = NULL;
0266     vip->tcount = 0;
0267     vip->bcount = 0;
0268 
0269     return 0;
0270 };
0271 static int buffer_init(struct vb2_buffer *vb)
0272 {
0273     struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
0274     struct vip_buffer *vip_buf = to_vip_buffer(vbuf);
0275 
0276     vip_buf->dma = vb2_dma_contig_plane_dma_addr(vb, 0);
0277     INIT_LIST_HEAD(&vip_buf->list);
0278     return 0;
0279 }
0280 
0281 static int buffer_prepare(struct vb2_buffer *vb)
0282 {
0283     struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
0284     struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue);
0285     struct vip_buffer *vip_buf = to_vip_buffer(vbuf);
0286     unsigned long size;
0287 
0288     size = vip->format.sizeimage;
0289     if (vb2_plane_size(vb, 0) < size) {
0290         v4l2_err(&vip->v4l2_dev, "buffer too small (%lu < %lu)\n",
0291              vb2_plane_size(vb, 0), size);
0292         return -EINVAL;
0293     }
0294 
0295     vb2_set_plane_payload(&vip_buf->vb.vb2_buf, 0, size);
0296 
0297     return 0;
0298 }
0299 static void buffer_queue(struct vb2_buffer *vb)
0300 {
0301     struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
0302     struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue);
0303     struct vip_buffer *vip_buf = to_vip_buffer(vbuf);
0304 
0305     spin_lock(&vip->lock);
0306     list_add_tail(&vip_buf->list, &vip->buffer_list);
0307     if (!vip->active) { /* No active buffer, active the first one */
0308         vip->active = list_first_entry(&vip->buffer_list,
0309                            struct vip_buffer,
0310                            list);
0311         if (vb2_is_streaming(&vip->vb_vidq))    /* streaming is on */
0312             start_dma(vip, vip_buf);    /* start dma capture */
0313     }
0314     spin_unlock(&vip->lock);
0315 }
0316 static void buffer_finish(struct vb2_buffer *vb)
0317 {
0318     struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
0319     struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue);
0320     struct vip_buffer *vip_buf = to_vip_buffer(vbuf);
0321 
0322     /* Buffer handled, remove it from the list */
0323     spin_lock(&vip->lock);
0324     list_del_init(&vip_buf->list);
0325     spin_unlock(&vip->lock);
0326 
0327     if (vb2_is_streaming(vb->vb2_queue))
0328         vip_active_buf_next(vip);
0329 }
0330 
0331 static int start_streaming(struct vb2_queue *vq, unsigned int count)
0332 {
0333     struct sta2x11_vip *vip = vb2_get_drv_priv(vq);
0334 
0335     spin_lock_irq(&vip->slock);
0336     /* Enable interrupt VSYNC Top and Bottom*/
0337     reg_write(vip, DVP_ITM, DVP_IT_VSB | DVP_IT_VST);
0338     spin_unlock_irq(&vip->slock);
0339 
0340     if (count)
0341         start_dma(vip, vip->active);
0342 
0343     return 0;
0344 }
0345 
0346 /* abort streaming and wait for last buffer */
0347 static void stop_streaming(struct vb2_queue *vq)
0348 {
0349     struct sta2x11_vip *vip = vb2_get_drv_priv(vq);
0350     struct vip_buffer *vip_buf, *node;
0351 
0352     /* Disable acquisition */
0353     reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA);
0354     /* Disable all interrupts */
0355     reg_write(vip, DVP_ITM, 0);
0356 
0357     /* Release all active buffers */
0358     spin_lock(&vip->lock);
0359     list_for_each_entry_safe(vip_buf, node, &vip->buffer_list, list) {
0360         vb2_buffer_done(&vip_buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
0361         list_del(&vip_buf->list);
0362     }
0363     spin_unlock(&vip->lock);
0364 }
0365 
0366 static const struct vb2_ops vip_video_qops = {
0367     .queue_setup        = queue_setup,
0368     .buf_init       = buffer_init,
0369     .buf_prepare        = buffer_prepare,
0370     .buf_finish     = buffer_finish,
0371     .buf_queue      = buffer_queue,
0372     .start_streaming    = start_streaming,
0373     .stop_streaming     = stop_streaming,
0374     .wait_prepare       = vb2_ops_wait_prepare,
0375     .wait_finish        = vb2_ops_wait_finish,
0376 };
0377 
0378 
0379 /* File Operations */
0380 static const struct v4l2_file_operations vip_fops = {
0381     .owner = THIS_MODULE,
0382     .open = v4l2_fh_open,
0383     .release = vb2_fop_release,
0384     .unlocked_ioctl = video_ioctl2,
0385     .read = vb2_fop_read,
0386     .mmap = vb2_fop_mmap,
0387     .poll = vb2_fop_poll
0388 };
0389 
0390 
0391 /**
0392  * vidioc_querycap - return capabilities of device
0393  * @file: descriptor of device
0394  * @cap: contains return values
0395  * @priv: unused
0396  *
0397  * the capabilities of the device are returned
0398  *
0399  * return value: 0, no error.
0400  */
0401 static int vidioc_querycap(struct file *file, void *priv,
0402                struct v4l2_capability *cap)
0403 {
0404     strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
0405     strscpy(cap->card, KBUILD_MODNAME, sizeof(cap->card));
0406     return 0;
0407 }
0408 
0409 /**
0410  * vidioc_s_std - set video standard
0411  * @file: descriptor of device
0412  * @std: contains standard to be set
0413  * @priv: unused
0414  *
0415  * the video standard is set
0416  *
0417  * return value: 0, no error.
0418  *
0419  * -EIO, no input signal detected
0420  *
0421  * other, returned from video DAC.
0422  */
0423 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std)
0424 {
0425     struct sta2x11_vip *vip = video_drvdata(file);
0426 
0427     /*
0428      * This is here for backwards compatibility only.
0429      * The use of V4L2_STD_ALL to trigger a querystd is non-standard.
0430      */
0431     if (std == V4L2_STD_ALL) {
0432         v4l2_subdev_call(vip->decoder, video, querystd, &std);
0433         if (std == V4L2_STD_UNKNOWN)
0434             return -EIO;
0435     }
0436 
0437     if (vip->std != std) {
0438         vip->std = std;
0439         if (V4L2_STD_525_60 & std)
0440             vip->format = formats_60[0];
0441         else
0442             vip->format = formats_50[0];
0443     }
0444 
0445     return v4l2_subdev_call(vip->decoder, video, s_std, std);
0446 }
0447 
0448 /**
0449  * vidioc_g_std - get video standard
0450  * @file: descriptor of device
0451  * @priv: unused
0452  * @std: contains return values
0453  *
0454  * the current video standard is returned
0455  *
0456  * return value: 0, no error.
0457  */
0458 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std)
0459 {
0460     struct sta2x11_vip *vip = video_drvdata(file);
0461 
0462     *std = vip->std;
0463     return 0;
0464 }
0465 
0466 /**
0467  * vidioc_querystd - get possible video standards
0468  * @file: descriptor of device
0469  * @priv: unused
0470  * @std: contains return values
0471  *
0472  * all possible video standards are returned
0473  *
0474  * return value: delivered by video DAC routine.
0475  */
0476 static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std)
0477 {
0478     struct sta2x11_vip *vip = video_drvdata(file);
0479 
0480     return v4l2_subdev_call(vip->decoder, video, querystd, std);
0481 }
0482 
0483 static int vidioc_enum_input(struct file *file, void *priv,
0484                  struct v4l2_input *inp)
0485 {
0486     if (inp->index > 1)
0487         return -EINVAL;
0488 
0489     inp->type = V4L2_INPUT_TYPE_CAMERA;
0490     inp->std = V4L2_STD_ALL;
0491     sprintf(inp->name, "Camera %u", inp->index);
0492 
0493     return 0;
0494 }
0495 
0496 /**
0497  * vidioc_s_input - set input line
0498  * @file: descriptor of device
0499  * @priv: unused
0500  * @i: new input line number
0501  *
0502  * the current active input line is set
0503  *
0504  * return value: 0, no error.
0505  *
0506  * -EINVAL, line number out of range
0507  */
0508 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
0509 {
0510     struct sta2x11_vip *vip = video_drvdata(file);
0511     int ret;
0512 
0513     if (i > 1)
0514         return -EINVAL;
0515     ret = v4l2_subdev_call(vip->decoder, video, s_routing, i, 0, 0);
0516 
0517     if (!ret)
0518         vip->input = i;
0519 
0520     return 0;
0521 }
0522 
0523 /**
0524  * vidioc_g_input - return input line
0525  * @file: descriptor of device
0526  * @priv: unused
0527  * @i: returned input line number
0528  *
0529  * the current active input line is returned
0530  *
0531  * return value: always 0.
0532  */
0533 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
0534 {
0535     struct sta2x11_vip *vip = video_drvdata(file);
0536 
0537     *i = vip->input;
0538     return 0;
0539 }
0540 
0541 /**
0542  * vidioc_enum_fmt_vid_cap - return video capture format
0543  * @file: descriptor of device
0544  * @priv: unused
0545  * @f: returned format information
0546  *
0547  * returns name and format of video capture
0548  * Only UYVY is supported by hardware.
0549  *
0550  * return value: always 0.
0551  */
0552 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
0553                    struct v4l2_fmtdesc *f)
0554 {
0555 
0556     if (f->index != 0)
0557         return -EINVAL;
0558 
0559     f->pixelformat = V4L2_PIX_FMT_UYVY;
0560     return 0;
0561 }
0562 
0563 /**
0564  * vidioc_try_fmt_vid_cap - set video capture format
0565  * @file: descriptor of device
0566  * @priv: unused
0567  * @f: new format
0568  *
0569  * new video format is set which includes width and
0570  * field type. width is fixed to 720, no scaling.
0571  * Only UYVY is supported by this hardware.
0572  * the minimum height is 200, the maximum is 576 (PAL)
0573  *
0574  * return value: 0, no error
0575  *
0576  * -EINVAL, pixel or field format not supported
0577  *
0578  */
0579 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
0580                   struct v4l2_format *f)
0581 {
0582     struct sta2x11_vip *vip = video_drvdata(file);
0583     int interlace_lim;
0584 
0585     if (V4L2_PIX_FMT_UYVY != f->fmt.pix.pixelformat) {
0586         v4l2_warn(&vip->v4l2_dev, "Invalid format, only UYVY supported\n");
0587         return -EINVAL;
0588     }
0589 
0590     if (V4L2_STD_525_60 & vip->std)
0591         interlace_lim = 240;
0592     else
0593         interlace_lim = 288;
0594 
0595     switch (f->fmt.pix.field) {
0596     default:
0597     case V4L2_FIELD_ANY:
0598         if (interlace_lim < f->fmt.pix.height)
0599             f->fmt.pix.field = V4L2_FIELD_INTERLACED;
0600         else
0601             f->fmt.pix.field = V4L2_FIELD_BOTTOM;
0602         break;
0603     case V4L2_FIELD_TOP:
0604     case V4L2_FIELD_BOTTOM:
0605         if (interlace_lim < f->fmt.pix.height)
0606             f->fmt.pix.height = interlace_lim;
0607         break;
0608     case V4L2_FIELD_INTERLACED:
0609         break;
0610     }
0611 
0612     /* It is the only supported format */
0613     f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
0614     f->fmt.pix.height &= ~1;
0615     if (2 * interlace_lim < f->fmt.pix.height)
0616         f->fmt.pix.height = 2 * interlace_lim;
0617     if (200 > f->fmt.pix.height)
0618         f->fmt.pix.height = 200;
0619     f->fmt.pix.width = 720;
0620     f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
0621     f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height;
0622     f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
0623     return 0;
0624 }
0625 
0626 /**
0627  * vidioc_s_fmt_vid_cap - set current video format parameters
0628  * @file: descriptor of device
0629  * @priv: unused
0630  * @f: returned format information
0631  *
0632  * set new capture format
0633  * return value: 0, no error
0634  *
0635  * other, delivered by video DAC routine.
0636  */
0637 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
0638                 struct v4l2_format *f)
0639 {
0640     struct sta2x11_vip *vip = video_drvdata(file);
0641     unsigned int t_stop, b_stop, pitch;
0642     int ret;
0643 
0644     ret = vidioc_try_fmt_vid_cap(file, priv, f);
0645     if (ret)
0646         return ret;
0647 
0648     if (vb2_is_busy(&vip->vb_vidq)) {
0649         /* Can't change format during acquisition */
0650         v4l2_err(&vip->v4l2_dev, "device busy\n");
0651         return -EBUSY;
0652     }
0653     vip->format = f->fmt.pix;
0654     switch (vip->format.field) {
0655     case V4L2_FIELD_INTERLACED:
0656         t_stop = ((vip->format.height / 2 - 1) << 16) |
0657              (2 * vip->format.width - 1);
0658         b_stop = t_stop;
0659         pitch = 4 * vip->format.width;
0660         break;
0661     case V4L2_FIELD_TOP:
0662         t_stop = ((vip->format.height - 1) << 16) |
0663              (2 * vip->format.width - 1);
0664         b_stop = (0 << 16) | (2 * vip->format.width - 1);
0665         pitch = 2 * vip->format.width;
0666         break;
0667     case V4L2_FIELD_BOTTOM:
0668         t_stop = (0 << 16) | (2 * vip->format.width - 1);
0669         b_stop = (vip->format.height << 16) |
0670              (2 * vip->format.width - 1);
0671         pitch = 2 * vip->format.width;
0672         break;
0673     default:
0674         v4l2_err(&vip->v4l2_dev, "unknown field format\n");
0675         return -EINVAL;
0676     }
0677 
0678     spin_lock_irq(&vip->slock);
0679     /* Y-X Top Field Offset */
0680     reg_write(vip, DVP_TFO, 0);
0681     /* Y-X Bottom Field Offset */
0682     reg_write(vip, DVP_BFO, 0);
0683     /* Y-X Top Field Stop*/
0684     reg_write(vip, DVP_TFS, t_stop);
0685     /* Y-X Bottom Field Stop */
0686     reg_write(vip, DVP_BFS, b_stop);
0687     /* Video Memory Pitch */
0688     reg_write(vip, DVP_VMP, pitch);
0689     spin_unlock_irq(&vip->slock);
0690 
0691     return 0;
0692 }
0693 
0694 /**
0695  * vidioc_g_fmt_vid_cap - get current video format parameters
0696  * @file: descriptor of device
0697  * @priv: unused
0698  * @f: contains format information
0699  *
0700  * returns current video format parameters
0701  *
0702  * return value: 0, always successful
0703  */
0704 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
0705                 struct v4l2_format *f)
0706 {
0707     struct sta2x11_vip *vip = video_drvdata(file);
0708 
0709     f->fmt.pix = vip->format;
0710 
0711     return 0;
0712 }
0713 
0714 static const struct v4l2_ioctl_ops vip_ioctl_ops = {
0715     .vidioc_querycap = vidioc_querycap,
0716     /* FMT handling */
0717     .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
0718     .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
0719     .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
0720     .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
0721     /* Buffer handlers */
0722     .vidioc_create_bufs = vb2_ioctl_create_bufs,
0723     .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
0724     .vidioc_reqbufs = vb2_ioctl_reqbufs,
0725     .vidioc_querybuf = vb2_ioctl_querybuf,
0726     .vidioc_qbuf = vb2_ioctl_qbuf,
0727     .vidioc_dqbuf = vb2_ioctl_dqbuf,
0728     /* Stream on/off */
0729     .vidioc_streamon = vb2_ioctl_streamon,
0730     .vidioc_streamoff = vb2_ioctl_streamoff,
0731     /* Standard handling */
0732     .vidioc_g_std = vidioc_g_std,
0733     .vidioc_s_std = vidioc_s_std,
0734     .vidioc_querystd = vidioc_querystd,
0735     /* Input handling */
0736     .vidioc_enum_input = vidioc_enum_input,
0737     .vidioc_g_input = vidioc_g_input,
0738     .vidioc_s_input = vidioc_s_input,
0739     /* Log status ioctl */
0740     .vidioc_log_status = v4l2_ctrl_log_status,
0741     /* Event handling */
0742     .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
0743     .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
0744 };
0745 
0746 static const struct video_device video_dev_template = {
0747     .name = KBUILD_MODNAME,
0748     .release = video_device_release_empty,
0749     .fops = &vip_fops,
0750     .ioctl_ops = &vip_ioctl_ops,
0751     .tvnorms = V4L2_STD_ALL,
0752     .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
0753                V4L2_CAP_STREAMING,
0754 };
0755 
0756 /**
0757  * vip_irq - interrupt routine
0758  * @irq: Number of interrupt ( not used, correct number is assumed )
0759  * @vip: local data structure containing all information
0760  *
0761  * check for both frame interrupts set ( top and bottom ).
0762  * check FIFO overflow, but limit number of log messages after open.
0763  * signal a complete buffer if done
0764  *
0765  * return value: IRQ_NONE, interrupt was not generated by VIP
0766  *
0767  * IRQ_HANDLED, interrupt done.
0768  */
0769 static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip)
0770 {
0771     unsigned int status;
0772 
0773     status = reg_read(vip, DVP_ITS);
0774 
0775     if (!status)        /* No interrupt to handle */
0776         return IRQ_NONE;
0777 
0778     if (status & DVP_IT_FIFO)
0779         if (vip->overflow++ > 5)
0780             pr_info("VIP: fifo overflow\n");
0781 
0782     if ((status & DVP_IT_VST) && (status & DVP_IT_VSB)) {
0783         /* this is bad, we are too slow, hope the condition is gone
0784          * on the next frame */
0785         return IRQ_HANDLED;
0786     }
0787 
0788     if (status & DVP_IT_VST)
0789         if ((++vip->tcount) < 2)
0790             return IRQ_HANDLED;
0791     if (status & DVP_IT_VSB) {
0792         vip->bcount++;
0793         return IRQ_HANDLED;
0794     }
0795 
0796     if (vip->active) { /* Acquisition is over on this buffer */
0797         /* Disable acquisition */
0798         reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA);
0799         /* Remove the active buffer from the list */
0800         vip->active->vb.vb2_buf.timestamp = ktime_get_ns();
0801         vip->active->vb.sequence = vip->sequence++;
0802         vb2_buffer_done(&vip->active->vb.vb2_buf, VB2_BUF_STATE_DONE);
0803     }
0804 
0805     return IRQ_HANDLED;
0806 }
0807 
0808 static void sta2x11_vip_init_register(struct sta2x11_vip *vip)
0809 {
0810     /* Register initialization */
0811     spin_lock_irq(&vip->slock);
0812     /* Clean interrupt */
0813     reg_read(vip, DVP_ITS);
0814     /* Enable Half Line per vertical */
0815     reg_write(vip, DVP_HLFLN, DVP_HLFLN_SD);
0816     /* Reset VIP control */
0817     reg_write(vip, DVP_CTL, DVP_CTL_RST);
0818     /* Clear VIP control */
0819     reg_write(vip, DVP_CTL, 0);
0820     spin_unlock_irq(&vip->slock);
0821 }
0822 static void sta2x11_vip_clear_register(struct sta2x11_vip *vip)
0823 {
0824     spin_lock_irq(&vip->slock);
0825     /* Disable interrupt */
0826     reg_write(vip, DVP_ITM, 0);
0827     /* Reset VIP Control */
0828     reg_write(vip, DVP_CTL, DVP_CTL_RST);
0829     /* Clear VIP Control */
0830     reg_write(vip, DVP_CTL, 0);
0831     /* Clean VIP Interrupt */
0832     reg_read(vip, DVP_ITS);
0833     spin_unlock_irq(&vip->slock);
0834 }
0835 static int sta2x11_vip_init_buffer(struct sta2x11_vip *vip)
0836 {
0837     int err;
0838 
0839     err = dma_set_coherent_mask(&vip->pdev->dev, DMA_BIT_MASK(29));
0840     if (err) {
0841         v4l2_err(&vip->v4l2_dev, "Cannot configure coherent mask");
0842         return err;
0843     }
0844     memset(&vip->vb_vidq, 0, sizeof(struct vb2_queue));
0845     vip->vb_vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
0846     vip->vb_vidq.io_modes = VB2_MMAP | VB2_READ;
0847     vip->vb_vidq.drv_priv = vip;
0848     vip->vb_vidq.buf_struct_size = sizeof(struct vip_buffer);
0849     vip->vb_vidq.ops = &vip_video_qops;
0850     vip->vb_vidq.mem_ops = &vb2_dma_contig_memops;
0851     vip->vb_vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
0852     vip->vb_vidq.dev = &vip->pdev->dev;
0853     vip->vb_vidq.lock = &vip->v4l_lock;
0854     err = vb2_queue_init(&vip->vb_vidq);
0855     if (err)
0856         return err;
0857     INIT_LIST_HEAD(&vip->buffer_list);
0858     spin_lock_init(&vip->lock);
0859     return 0;
0860 }
0861 
0862 static int sta2x11_vip_init_controls(struct sta2x11_vip *vip)
0863 {
0864     /*
0865      * Inititialize an empty control so VIP can inerithing controls
0866      * from ADV7180
0867      */
0868     v4l2_ctrl_handler_init(&vip->ctrl_hdl, 0);
0869 
0870     vip->v4l2_dev.ctrl_handler = &vip->ctrl_hdl;
0871     if (vip->ctrl_hdl.error) {
0872         int err = vip->ctrl_hdl.error;
0873 
0874         v4l2_ctrl_handler_free(&vip->ctrl_hdl);
0875         return err;
0876     }
0877 
0878     return 0;
0879 }
0880 
0881 /**
0882  * vip_gpio_reserve - reserve gpio pin
0883  * @dev: device
0884  * @pin: GPIO pin number
0885  * @dir: direction, input or output
0886  * @name: GPIO pin name
0887  *
0888  */
0889 static int vip_gpio_reserve(struct device *dev, int pin, int dir,
0890                 const char *name)
0891 {
0892     int ret = -ENODEV;
0893 
0894     if (!gpio_is_valid(pin))
0895         return ret;
0896 
0897     ret = gpio_request(pin, name);
0898     if (ret) {
0899         dev_err(dev, "Failed to allocate pin %d (%s)\n", pin, name);
0900         return ret;
0901     }
0902 
0903     ret = gpio_direction_output(pin, dir);
0904     if (ret) {
0905         dev_err(dev, "Failed to set direction for pin %d (%s)\n",
0906             pin, name);
0907         gpio_free(pin);
0908         return ret;
0909     }
0910 
0911     ret = gpio_export(pin, false);
0912     if (ret) {
0913         dev_err(dev, "Failed to export pin %d (%s)\n", pin, name);
0914         gpio_free(pin);
0915         return ret;
0916     }
0917 
0918     return 0;
0919 }
0920 
0921 /**
0922  * vip_gpio_release - release gpio pin
0923  * @dev: device
0924  * @pin: GPIO pin number
0925  * @name: GPIO pin name
0926  *
0927  */
0928 static void vip_gpio_release(struct device *dev, int pin, const char *name)
0929 {
0930     if (gpio_is_valid(pin)) {
0931         dev_dbg(dev, "releasing pin %d (%s)\n", pin, name);
0932         gpio_unexport(pin);
0933         gpio_free(pin);
0934     }
0935 }
0936 
0937 /**
0938  * sta2x11_vip_init_one - init one instance of video device
0939  * @pdev: PCI device
0940  * @ent: (not used)
0941  *
0942  * allocate reset pins for DAC.
0943  * Reset video DAC, this is done via reset line.
0944  * allocate memory for managing device
0945  * request interrupt
0946  * map IO region
0947  * register device
0948  * find and initialize video DAC
0949  *
0950  * return value: 0, no error
0951  *
0952  * -ENOMEM, no memory
0953  *
0954  * -ENODEV, device could not be detected or registered
0955  */
0956 static int sta2x11_vip_init_one(struct pci_dev *pdev,
0957                 const struct pci_device_id *ent)
0958 {
0959     int ret;
0960     struct sta2x11_vip *vip;
0961     struct vip_config *config;
0962 
0963     /* Check if hardware support 26-bit DMA */
0964     if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(26))) {
0965         dev_err(&pdev->dev, "26-bit DMA addressing not available\n");
0966         return -EINVAL;
0967     }
0968     /* Enable PCI */
0969     ret = pci_enable_device(pdev);
0970     if (ret)
0971         return ret;
0972 
0973     /* Get VIP platform data */
0974     config = dev_get_platdata(&pdev->dev);
0975     if (!config) {
0976         dev_info(&pdev->dev, "VIP slot disabled\n");
0977         ret = -EINVAL;
0978         goto disable;
0979     }
0980 
0981     /* Power configuration */
0982     ret = vip_gpio_reserve(&pdev->dev, config->pwr_pin, 0,
0983                    config->pwr_name);
0984     if (ret)
0985         goto disable;
0986 
0987     ret = vip_gpio_reserve(&pdev->dev, config->reset_pin, 0,
0988                    config->reset_name);
0989     if (ret) {
0990         vip_gpio_release(&pdev->dev, config->pwr_pin,
0991                  config->pwr_name);
0992         goto disable;
0993     }
0994 
0995     if (gpio_is_valid(config->pwr_pin)) {
0996         /* Datasheet says 5ms between PWR and RST */
0997         usleep_range(5000, 25000);
0998         gpio_direction_output(config->pwr_pin, 1);
0999     }
1000 
1001     if (gpio_is_valid(config->reset_pin)) {
1002         /* Datasheet says 5ms between PWR and RST */
1003         usleep_range(5000, 25000);
1004         gpio_direction_output(config->reset_pin, 1);
1005     }
1006     usleep_range(5000, 25000);
1007 
1008     /* Allocate a new VIP instance */
1009     vip = kzalloc(sizeof(struct sta2x11_vip), GFP_KERNEL);
1010     if (!vip) {
1011         ret = -ENOMEM;
1012         goto release_gpios;
1013     }
1014     vip->pdev = pdev;
1015     vip->std = V4L2_STD_PAL;
1016     vip->format = formats_50[0];
1017     vip->config = config;
1018     mutex_init(&vip->v4l_lock);
1019 
1020     ret = sta2x11_vip_init_controls(vip);
1021     if (ret)
1022         goto free_mem;
1023     ret = v4l2_device_register(&pdev->dev, &vip->v4l2_dev);
1024     if (ret)
1025         goto free_mem;
1026 
1027     dev_dbg(&pdev->dev, "BAR #0 at 0x%lx 0x%lx irq %d\n",
1028         (unsigned long)pci_resource_start(pdev, 0),
1029         (unsigned long)pci_resource_len(pdev, 0), pdev->irq);
1030 
1031     pci_set_master(pdev);
1032 
1033     ret = pci_request_regions(pdev, KBUILD_MODNAME);
1034     if (ret)
1035         goto unreg;
1036 
1037     vip->iomem = pci_iomap(pdev, 0, 0x100);
1038     if (!vip->iomem) {
1039         ret = -ENOMEM;
1040         goto release;
1041     }
1042 
1043     pci_enable_msi(pdev);
1044 
1045     /* Initialize buffer */
1046     ret = sta2x11_vip_init_buffer(vip);
1047     if (ret)
1048         goto unmap;
1049 
1050     spin_lock_init(&vip->slock);
1051 
1052     ret = request_irq(pdev->irq,
1053               (irq_handler_t) vip_irq,
1054               IRQF_SHARED, KBUILD_MODNAME, vip);
1055     if (ret) {
1056         dev_err(&pdev->dev, "request_irq failed\n");
1057         ret = -ENODEV;
1058         goto release_buf;
1059     }
1060 
1061     /* Initialize and register video device */
1062     vip->video_dev = video_dev_template;
1063     vip->video_dev.v4l2_dev = &vip->v4l2_dev;
1064     vip->video_dev.queue = &vip->vb_vidq;
1065     vip->video_dev.lock = &vip->v4l_lock;
1066     video_set_drvdata(&vip->video_dev, vip);
1067 
1068     ret = video_register_device(&vip->video_dev, VFL_TYPE_VIDEO, -1);
1069     if (ret)
1070         goto vrelease;
1071 
1072     /* Get ADV7180 subdevice */
1073     vip->adapter = i2c_get_adapter(vip->config->i2c_id);
1074     if (!vip->adapter) {
1075         ret = -ENODEV;
1076         dev_err(&pdev->dev, "no I2C adapter found\n");
1077         goto vunreg;
1078     }
1079 
1080     vip->decoder = v4l2_i2c_new_subdev(&vip->v4l2_dev, vip->adapter,
1081                        "adv7180", vip->config->i2c_addr,
1082                        NULL);
1083     if (!vip->decoder) {
1084         ret = -ENODEV;
1085         dev_err(&pdev->dev, "no decoder found\n");
1086         goto vunreg;
1087     }
1088 
1089     i2c_put_adapter(vip->adapter);
1090     v4l2_subdev_call(vip->decoder, core, init, 0);
1091 
1092     sta2x11_vip_init_register(vip);
1093 
1094     dev_info(&pdev->dev, "STA2X11 Video Input Port (VIP) loaded\n");
1095     return 0;
1096 
1097 vunreg:
1098     video_set_drvdata(&vip->video_dev, NULL);
1099 vrelease:
1100     vb2_video_unregister_device(&vip->video_dev);
1101     free_irq(pdev->irq, vip);
1102 release_buf:
1103     pci_disable_msi(pdev);
1104 unmap:
1105     pci_iounmap(pdev, vip->iomem);
1106 release:
1107     pci_release_regions(pdev);
1108 unreg:
1109     v4l2_device_unregister(&vip->v4l2_dev);
1110 free_mem:
1111     kfree(vip);
1112 release_gpios:
1113     vip_gpio_release(&pdev->dev, config->reset_pin, config->reset_name);
1114     vip_gpio_release(&pdev->dev, config->pwr_pin, config->pwr_name);
1115 disable:
1116     /*
1117      * do not call pci_disable_device on sta2x11 because it break all
1118      * other Bus masters on this EP
1119      */
1120     return ret;
1121 }
1122 
1123 /**
1124  * sta2x11_vip_remove_one - release device
1125  * @pdev: PCI device
1126  *
1127  * Undo everything done in .._init_one
1128  *
1129  * unregister video device
1130  * free interrupt
1131  * unmap ioadresses
1132  * free memory
1133  * free GPIO pins
1134  */
1135 static void sta2x11_vip_remove_one(struct pci_dev *pdev)
1136 {
1137     struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
1138     struct sta2x11_vip *vip =
1139         container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
1140 
1141     sta2x11_vip_clear_register(vip);
1142 
1143     video_set_drvdata(&vip->video_dev, NULL);
1144     vb2_video_unregister_device(&vip->video_dev);
1145     free_irq(pdev->irq, vip);
1146     pci_disable_msi(pdev);
1147     pci_iounmap(pdev, vip->iomem);
1148     pci_release_regions(pdev);
1149 
1150     v4l2_device_unregister(&vip->v4l2_dev);
1151 
1152     vip_gpio_release(&pdev->dev, vip->config->pwr_pin,
1153              vip->config->pwr_name);
1154     vip_gpio_release(&pdev->dev, vip->config->reset_pin,
1155              vip->config->reset_name);
1156 
1157     kfree(vip);
1158     /*
1159      * do not call pci_disable_device on sta2x11 because it break all
1160      * other Bus masters on this EP
1161      */
1162 }
1163 
1164 /**
1165  * sta2x11_vip_suspend - set device into power save mode
1166  * @dev_d: PCI device
1167  *
1168  * all relevant registers are saved and an attempt to set a new state is made.
1169  *
1170  * return value: 0 always indicate success,
1171  * even if device could not be disabled. (workaround for hardware problem)
1172  */
1173 static int __maybe_unused sta2x11_vip_suspend(struct device *dev_d)
1174 {
1175     struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
1176     struct sta2x11_vip *vip =
1177         container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
1178     unsigned long flags;
1179     int i;
1180 
1181     spin_lock_irqsave(&vip->slock, flags);
1182     vip->register_save_area[0] = reg_read(vip, DVP_CTL);
1183     reg_write(vip, DVP_CTL, vip->register_save_area[0] & DVP_CTL_DIS);
1184     vip->register_save_area[SAVE_COUNT] = reg_read(vip, DVP_ITM);
1185     reg_write(vip, DVP_ITM, 0);
1186     for (i = 1; i < SAVE_COUNT; i++)
1187         vip->register_save_area[i] = reg_read(vip, 4 * i);
1188     for (i = 0; i < AUX_COUNT; i++)
1189         vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] =
1190             reg_read(vip, registers_to_save[i]);
1191     spin_unlock_irqrestore(&vip->slock, flags);
1192 
1193     vip->disabled = 1;
1194 
1195     pr_info("VIP: suspend\n");
1196     return 0;
1197 }
1198 
1199 /**
1200  * sta2x11_vip_resume - resume device operation
1201  * @dev_d : PCI device
1202  *
1203  * return value: 0, no error.
1204  *
1205  * other, could not set device to power on state.
1206  */
1207 static int __maybe_unused sta2x11_vip_resume(struct device *dev_d)
1208 {
1209     struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
1210     struct sta2x11_vip *vip =
1211         container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev);
1212     unsigned long flags;
1213     int i;
1214 
1215     pr_info("VIP: resume\n");
1216 
1217     vip->disabled = 0;
1218 
1219     spin_lock_irqsave(&vip->slock, flags);
1220     for (i = 1; i < SAVE_COUNT; i++)
1221         reg_write(vip, 4 * i, vip->register_save_area[i]);
1222     for (i = 0; i < AUX_COUNT; i++)
1223         reg_write(vip, registers_to_save[i],
1224               vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i]);
1225     reg_write(vip, DVP_CTL, vip->register_save_area[0]);
1226     reg_write(vip, DVP_ITM, vip->register_save_area[SAVE_COUNT]);
1227     spin_unlock_irqrestore(&vip->slock, flags);
1228     return 0;
1229 }
1230 
1231 static const struct pci_device_id sta2x11_vip_pci_tbl[] = {
1232     {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)},
1233     {0,}
1234 };
1235 
1236 static SIMPLE_DEV_PM_OPS(sta2x11_vip_pm_ops,
1237              sta2x11_vip_suspend,
1238              sta2x11_vip_resume);
1239 
1240 static struct pci_driver sta2x11_vip_driver = {
1241     .name = KBUILD_MODNAME,
1242     .probe = sta2x11_vip_init_one,
1243     .remove = sta2x11_vip_remove_one,
1244     .id_table = sta2x11_vip_pci_tbl,
1245     .driver.pm = &sta2x11_vip_pm_ops,
1246 };
1247 
1248 static int __init sta2x11_vip_init_module(void)
1249 {
1250     return pci_register_driver(&sta2x11_vip_driver);
1251 }
1252 
1253 static void __exit sta2x11_vip_exit_module(void)
1254 {
1255     pci_unregister_driver(&sta2x11_vip_driver);
1256 }
1257 
1258 #ifdef MODULE
1259 module_init(sta2x11_vip_init_module);
1260 module_exit(sta2x11_vip_exit_module);
1261 #else
1262 late_initcall_sync(sta2x11_vip_init_module);
1263 #endif
1264 
1265 MODULE_DESCRIPTION("STA2X11 Video Input Port driver");
1266 MODULE_AUTHOR("Wind River");
1267 MODULE_LICENSE("GPL v2");
1268 MODULE_VERSION(DRV_VERSION);
1269 MODULE_DEVICE_TABLE(pci, sta2x11_vip_pci_tbl);
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