drivers/media/pci/netup_unidvb/netup_unidvb_core.c

   1 /*
   2  * netup_unidvb_core.c
   3  *
   4  * Main module for NetUP Universal Dual DVB-CI
   5  *
   6  * Copyright (C) 2014 NetUP Inc.
   7  * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
   8  * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include <linux/init.h>
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/kmod.h>
  25 #include <linux/kernel.h>
  26 #include <linux/slab.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/delay.h>
  29 #include <linux/list.h>
  30 #include <media/videobuf2-v4l2.h>
  31 #include <media/videobuf2-vmalloc.h>
  32
  33 #include "netup_unidvb.h"
  34 #include "cxd2841er.h"
  35 #include "horus3a.h"
  36 #include "ascot2e.h"
  37 #include "helene.h"
  38 #include "lnbh25.h"
  39
  40 static int spi_enable;
  41 module_param(spi_enable, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
  42
  43 MODULE_DESCRIPTION("Driver for NetUP Dual Universal DVB CI PCIe card");
  44 MODULE_AUTHOR("info@netup.ru");
  45 MODULE_VERSION(NETUP_UNIDVB_VERSION);
  46 MODULE_LICENSE("GPL");
  47
  48 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  49
  50 /* Avalon-MM PCI-E registers */
  51 #define AVL_PCIE_IENR           0x50
  52 #define AVL_PCIE_ISR            0x40
  53 #define AVL_IRQ_ENABLE          0x80
  54 #define AVL_IRQ_ASSERTED        0x80
  55 /* GPIO registers */
  56 #define GPIO_REG_IO             0x4880
  57 #define GPIO_REG_IO_TOGGLE      0x4882
  58 #define GPIO_REG_IO_SET         0x4884
  59 #define GPIO_REG_IO_CLEAR       0x4886
  60 /* GPIO bits */
  61 #define GPIO_FEA_RESET          (1 << 0)
  62 #define GPIO_FEB_RESET          (1 << 1)
  63 #define GPIO_RFA_CTL            (1 << 2)
  64 #define GPIO_RFB_CTL            (1 << 3)
  65 #define GPIO_FEA_TU_RESET       (1 << 4)
  66 #define GPIO_FEB_TU_RESET       (1 << 5)
  67 /* DMA base address */
  68 #define NETUP_DMA0_ADDR         0x4900
  69 #define NETUP_DMA1_ADDR         0x4940
  70 /* 8 DMA blocks * 128 packets * 188 bytes*/
  71 #define NETUP_DMA_BLOCKS_COUNT  8
  72 #define NETUP_DMA_PACKETS_COUNT 128
  73 /* DMA status bits */
  74 #define BIT_DMA_RUN             1
  75 #define BIT_DMA_ERROR           2
  76 #define BIT_DMA_IRQ             0x200
  77
  78 /**
  79  * struct netup_dma_regs - the map of DMA module registers
  80  * @ctrlstat_set:       Control register, write to set control bits
  81  * @ctrlstat_clear:     Control register, write to clear control bits
  82  * @start_addr_lo:      DMA ring buffer start address, lower part
  83  * @start_addr_hi:      DMA ring buffer start address, higher part
  84  * @size:               DMA ring buffer size register
  85  *                      * Bits [0-7]:   DMA packet size, 188 bytes
  86  *                      * Bits [16-23]: packets count in block, 128 packets
  87  *                      * Bits [24-31]: blocks count, 8 blocks
  88  * @timeout:            DMA timeout in units of 8ns
  89  *                      For example, value of 375000000 equals to 3 sec
  90  * @curr_addr_lo:       Current ring buffer head address, lower part
  91  * @curr_addr_hi:       Current ring buffer head address, higher part
  92  * @stat_pkt_received:  Statistic register, not tested
  93  * @stat_pkt_accepted:  Statistic register, not tested
  94  * @stat_pkt_overruns:  Statistic register, not tested
  95  * @stat_pkt_underruns: Statistic register, not tested
  96  * @stat_fifo_overruns: Statistic register, not tested
  97  */
  98 struct netup_dma_regs {
  99         __le32  ctrlstat_set;
 100         __le32  ctrlstat_clear;
 101         __le32  start_addr_lo;
 102         __le32  start_addr_hi;
 103         __le32  size;
 104         __le32  timeout;
 105         __le32  curr_addr_lo;
 106         __le32  curr_addr_hi;
 107         __le32  stat_pkt_received;
 108         __le32  stat_pkt_accepted;
 109         __le32  stat_pkt_overruns;
 110         __le32  stat_pkt_underruns;
 111         __le32  stat_fifo_overruns;
 112 } __packed __aligned(1);
 113
 114 struct netup_unidvb_buffer {
 115         struct vb2_v4l2_buffer vb;
 116         struct list_head        list;
 117         u32                     size;
 118 };
 119
 120 static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc);
 121 static void netup_unidvb_queue_cleanup(struct netup_dma *dma);
 122
 123 static struct cxd2841er_config demod_config = {
 124         .i2c_addr = 0xc8,
 125         .xtal = SONY_XTAL_24000,
 126         .flags = CXD2841ER_USE_GATECTRL | CXD2841ER_ASCOT
 127 };
 128
 129 static struct horus3a_config horus3a_conf = {
 130         .i2c_address = 0xc0,
 131         .xtal_freq_mhz = 16,
 132         .set_tuner_callback = netup_unidvb_tuner_ctrl
 133 };
 134
 135 static struct ascot2e_config ascot2e_conf = {
 136         .i2c_address = 0xc2,
 137         .set_tuner_callback = netup_unidvb_tuner_ctrl
 138 };
 139
 140 static struct helene_config helene_conf = {
 141         .i2c_address = 0xc0,
 142         .xtal = SONY_HELENE_XTAL_24000,
 143         .set_tuner_callback = netup_unidvb_tuner_ctrl
 144 };
 145
 146 static struct lnbh25_config lnbh25_conf = {
 147         .i2c_address = 0x10,
 148         .data2_config = LNBH25_TEN | LNBH25_EXTM
 149 };
 150
 151 static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc)
 152 {
 153         u8 reg, mask;
 154         struct netup_dma *dma = priv;
 155         struct netup_unidvb_dev *ndev;
 156
 157         if (!priv)
 158                 return -EINVAL;
 159         ndev = dma->ndev;
 160         dev_dbg(&ndev->pci_dev->dev, "%s(): num %d is_dvb_tc %d\n",
 161                 __func__, dma->num, is_dvb_tc);
 162         reg = readb(ndev->bmmio0 + GPIO_REG_IO);
 163         mask = (dma->num == 0) ? GPIO_RFA_CTL : GPIO_RFB_CTL;
 164
 165         /* inverted tuner control in hw rev. 1.4 */
 166         if (ndev->rev == NETUP_HW_REV_1_4)
 167                 is_dvb_tc = !is_dvb_tc;
 168
 169         if (!is_dvb_tc)
 170                 reg |= mask;
 171         else
 172                 reg &= ~mask;
 173         writeb(reg, ndev->bmmio0 + GPIO_REG_IO);
 174         return 0;
 175 }
 176
 177 static void netup_unidvb_dev_enable(struct netup_unidvb_dev *ndev)
 178 {
 179         u16 gpio_reg;
 180
 181         /* enable PCI-E interrupts */
 182         writel(AVL_IRQ_ENABLE, ndev->bmmio0 + AVL_PCIE_IENR);
 183         /* unreset frontends bits[0:1] */
 184         writeb(0x00, ndev->bmmio0 + GPIO_REG_IO);
 185         msleep(100);
 186         gpio_reg =
 187                 GPIO_FEA_RESET | GPIO_FEB_RESET |
 188                 GPIO_FEA_TU_RESET | GPIO_FEB_TU_RESET |
 189                 GPIO_RFA_CTL | GPIO_RFB_CTL;
 190         writeb(gpio_reg, ndev->bmmio0 + GPIO_REG_IO);
 191         dev_dbg(&ndev->pci_dev->dev,
 192                 "%s(): AVL_PCIE_IENR 0x%x GPIO_REG_IO 0x%x\n",
 193                 __func__, readl(ndev->bmmio0 + AVL_PCIE_IENR),
 194                 (int)readb(ndev->bmmio0 + GPIO_REG_IO));
 195
 196 }
 197
 198 static void netup_unidvb_dma_enable(struct netup_dma *dma, int enable)
 199 {
 200         u32 irq_mask = (dma->num == 0 ?
 201                 NETUP_UNIDVB_IRQ_DMA1 : NETUP_UNIDVB_IRQ_DMA2);
 202
 203         dev_dbg(&dma->ndev->pci_dev->dev,
 204                 "%s(): DMA%d enable %d\n", __func__, dma->num, enable);
 205         if (enable) {
 206                 writel(BIT_DMA_RUN, &dma->regs->ctrlstat_set);
 207                 writew(irq_mask, dma->ndev->bmmio0 + REG_IMASK_SET);
 208         } else {
 209                 writel(BIT_DMA_RUN, &dma->regs->ctrlstat_clear);
 210                 writew(irq_mask, dma->ndev->bmmio0 + REG_IMASK_CLEAR);
 211         }
 212 }
 213
 214 static irqreturn_t netup_dma_interrupt(struct netup_dma *dma)
 215 {
 216         u64 addr_curr;
 217         u32 size;
 218         unsigned long flags;
 219         struct device *dev = &dma->ndev->pci_dev->dev;
 220
 221         spin_lock_irqsave(&dma->lock, flags);
 222         addr_curr = ((u64)readl(&dma->regs->curr_addr_hi) << 32) |
 223                 (u64)readl(&dma->regs->curr_addr_lo) | dma->high_addr;
 224         /* clear IRQ */
 225         writel(BIT_DMA_IRQ, &dma->regs->ctrlstat_clear);
 226         /* sanity check */
 227         if (addr_curr < dma->addr_phys ||
 228                         addr_curr > dma->addr_phys +  dma->ring_buffer_size) {
 229                 if (addr_curr != 0) {
 230                         dev_err(dev,
 231                                 "%s(): addr 0x%llx not from 0x%llx:0x%llx\n",
 232                                 __func__, addr_curr, (u64)dma->addr_phys,
 233                                 (u64)(dma->addr_phys + dma->ring_buffer_size));
 234                 }
 235                 goto irq_handled;
 236         }
 237         size = (addr_curr >= dma->addr_last) ?
 238                 (u32)(addr_curr - dma->addr_last) :
 239                 (u32)(dma->ring_buffer_size - (dma->addr_last - addr_curr));
 240         if (dma->data_size != 0) {
 241                 printk_ratelimited("%s(): lost interrupt, data size %d\n",
 242                         __func__, dma->data_size);
 243                 dma->data_size += size;
 244         }
 245         if (dma->data_size == 0 || dma->data_size > dma->ring_buffer_size) {
 246                 dma->data_size = size;
 247                 dma->data_offset = (u32)(dma->addr_last - dma->addr_phys);
 248         }
 249         dma->addr_last = addr_curr;
 250         queue_work(dma->ndev->wq, &dma->work);
 251 irq_handled:
 252         spin_unlock_irqrestore(&dma->lock, flags);
 253         return IRQ_HANDLED;
 254 }
 255
 256 static irqreturn_t netup_unidvb_isr(int irq, void *dev_id)
 257 {
 258         struct pci_dev *pci_dev = (struct pci_dev *)dev_id;
 259         struct netup_unidvb_dev *ndev = pci_get_drvdata(pci_dev);
 260         u32 reg40, reg_isr;
 261         irqreturn_t iret = IRQ_NONE;
 262
 263         /* disable interrupts */
 264         writel(0, ndev->bmmio0 + AVL_PCIE_IENR);
 265         /* check IRQ source */
 266         reg40 = readl(ndev->bmmio0 + AVL_PCIE_ISR);
 267         if ((reg40 & AVL_IRQ_ASSERTED) != 0) {
 268                 /* IRQ is being signaled */
 269                 reg_isr = readw(ndev->bmmio0 + REG_ISR);
 270                 if (reg_isr & NETUP_UNIDVB_IRQ_SPI)
 271                         iret = netup_spi_interrupt(ndev->spi);
 272                 else if (!ndev->old_fw) {
 273                         if (reg_isr & NETUP_UNIDVB_IRQ_I2C0) {
 274                                 iret = netup_i2c_interrupt(&ndev->i2c[0]);
 275                         } else if (reg_isr & NETUP_UNIDVB_IRQ_I2C1) {
 276                                 iret = netup_i2c_interrupt(&ndev->i2c[1]);
 277                         } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA1) {
 278                                 iret = netup_dma_interrupt(&ndev->dma[0]);
 279                         } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA2) {
 280                                 iret = netup_dma_interrupt(&ndev->dma[1]);
 281                         } else if (reg_isr & NETUP_UNIDVB_IRQ_CI) {
 282                                 iret = netup_ci_interrupt(ndev);
 283                         } else {
 284                                 goto err;
 285                         }
 286                 } else {
 287 err:
 288                         dev_err(&pci_dev->dev,
 289                                 "%s(): unknown interrupt 0x%x\n",
 290                                 __func__, reg_isr);
 291                 }
 292         }
 293         /* re-enable interrupts */
 294         writel(AVL_IRQ_ENABLE, ndev->bmmio0 + AVL_PCIE_IENR);
 295         return iret;
 296 }
 297
 298 static int netup_unidvb_queue_setup(struct vb2_queue *vq,
 299                                     unsigned int *nbuffers,
 300                                     unsigned int *nplanes,
 301                                     unsigned int sizes[],
 302                                     struct device *alloc_devs[])
 303 {
 304         struct netup_dma *dma = vb2_get_drv_priv(vq);
 305
 306         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 307
 308         *nplanes = 1;
 309         if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME)
 310                 *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers;
 311         sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188);
 312         dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n",
 313                 __func__, *nbuffers, sizes[0]);
 314         return 0;
 315 }
 316
 317 static int netup_unidvb_buf_prepare(struct vb2_buffer *vb)
 318 {
 319         struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue);
 320         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 321         struct netup_unidvb_buffer *buf = container_of(vbuf,
 322                                 struct netup_unidvb_buffer, vb);
 323
 324         dev_dbg(&dma->ndev->pci_dev->dev, "%s(): buf 0x%p\n", __func__, buf);
 325         buf->size = 0;
 326         return 0;
 327 }
 328
 329 static void netup_unidvb_buf_queue(struct vb2_buffer *vb)
 330 {
 331         unsigned long flags;
 332         struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue);
 333         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 334         struct netup_unidvb_buffer *buf = container_of(vbuf,
 335                                 struct netup_unidvb_buffer, vb);
 336
 337         dev_dbg(&dma->ndev->pci_dev->dev, "%s(): %p\n", __func__, buf);
 338         spin_lock_irqsave(&dma->lock, flags);
 339         list_add_tail(&buf->list, &dma->free_buffers);
 340         spin_unlock_irqrestore(&dma->lock, flags);
 341         mod_timer(&dma->timeout, jiffies + msecs_to_jiffies(1000));
 342 }
 343
 344 static int netup_unidvb_start_streaming(struct vb2_queue *q, unsigned int count)
 345 {
 346         struct netup_dma *dma = vb2_get_drv_priv(q);
 347
 348         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 349         netup_unidvb_dma_enable(dma, 1);
 350         return 0;
 351 }
 352
 353 static void netup_unidvb_stop_streaming(struct vb2_queue *q)
 354 {
 355         struct netup_dma *dma = vb2_get_drv_priv(q);
 356
 357         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 358         netup_unidvb_dma_enable(dma, 0);
 359         netup_unidvb_queue_cleanup(dma);
 360 }
 361
 362 static const struct vb2_ops dvb_qops = {
 363         .queue_setup            = netup_unidvb_queue_setup,
 364         .buf_prepare            = netup_unidvb_buf_prepare,
 365         .buf_queue              = netup_unidvb_buf_queue,
 366         .start_streaming        = netup_unidvb_start_streaming,
 367         .stop_streaming         = netup_unidvb_stop_streaming,
 368 };
 369
 370 static int netup_unidvb_queue_init(struct netup_dma *dma,
 371                                    struct vb2_queue *vb_queue)
 372 {
 373         int res;
 374
 375         /* Init videobuf2 queue structure */
 376         vb_queue->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 377         vb_queue->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
 378         vb_queue->drv_priv = dma;
 379         vb_queue->buf_struct_size = sizeof(struct netup_unidvb_buffer);
 380         vb_queue->ops = &dvb_qops;
 381         vb_queue->mem_ops = &vb2_vmalloc_memops;
 382         vb_queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 383         res = vb2_queue_init(vb_queue);
 384         if (res != 0) {
 385                 dev_err(&dma->ndev->pci_dev->dev,
 386                         "%s(): vb2_queue_init failed (%d)\n", __func__, res);
 387         }
 388         return res;
 389 }
 390
 391 static int netup_unidvb_dvb_init(struct netup_unidvb_dev *ndev,
 392                                  int num)
 393 {
 394         int fe_count = 2;
 395         int i = 0;
 396         struct vb2_dvb_frontend *fes[2];
 397         u8 fe_name[32];
 398
 399         if (ndev->rev == NETUP_HW_REV_1_3)
 400                 demod_config.xtal = SONY_XTAL_20500;
 401         else
 402                 demod_config.xtal = SONY_XTAL_24000;
 403
 404         if (num < 0 || num > 1) {
 405                 dev_dbg(&ndev->pci_dev->dev,
 406                         "%s(): unable to init DVB bus %d\n", __func__, num);
 407                 return -ENODEV;
 408         }
 409         mutex_init(&ndev->frontends[num].lock);
 410         INIT_LIST_HEAD(&ndev->frontends[num].felist);
 411
 412         for (i = 0; i < fe_count; i++) {
 413                 if (vb2_dvb_alloc_frontend(&ndev->frontends[num], i+1)
 414                                 == NULL) {
 415                         dev_err(&ndev->pci_dev->dev,
 416                                         "%s(): unable to allocate vb2_dvb_frontend\n",
 417                                         __func__);
 418                         return -ENOMEM;
 419                 }
 420         }
 421
 422         for (i = 0; i < fe_count; i++) {
 423                 fes[i] = vb2_dvb_get_frontend(&ndev->frontends[num], i+1);
 424                 if (fes[i] == NULL) {
 425                         dev_err(&ndev->pci_dev->dev,
 426                                 "%s(): frontends has not been allocated\n",
 427                                 __func__);
 428                         return -EINVAL;
 429                 }
 430         }
 431
 432         for (i = 0; i < fe_count; i++) {
 433                 netup_unidvb_queue_init(&ndev->dma[num], &fes[i]->dvb.dvbq);
 434                 snprintf(fe_name, sizeof(fe_name), "netup_fe%d", i);
 435                 fes[i]->dvb.name = fe_name;
 436         }
 437
 438         fes[0]->dvb.frontend = dvb_attach(cxd2841er_attach_s,
 439                 &demod_config, &ndev->i2c[num].adap);
 440         if (fes[0]->dvb.frontend == NULL) {
 441                 dev_dbg(&ndev->pci_dev->dev,
 442                         "%s(): unable to attach DVB-S/S2 frontend\n",
 443                         __func__);
 444                 goto frontend_detach;
 445         }
 446
 447         if (ndev->rev == NETUP_HW_REV_1_3) {
 448                 horus3a_conf.set_tuner_priv = &ndev->dma[num];
 449                 if (!dvb_attach(horus3a_attach, fes[0]->dvb.frontend,
 450                                         &horus3a_conf, &ndev->i2c[num].adap)) {
 451                         dev_dbg(&ndev->pci_dev->dev,
 452                                         "%s(): unable to attach HORUS3A DVB-S/S2 tuner frontend\n",
 453                                         __func__);
 454                         goto frontend_detach;
 455                 }
 456         } else {
 457                 helene_conf.set_tuner_priv = &ndev->dma[num];
 458                 if (!dvb_attach(helene_attach_s, fes[0]->dvb.frontend,
 459                                         &helene_conf, &ndev->i2c[num].adap)) {
 460                         dev_err(&ndev->pci_dev->dev,
 461                                         "%s(): unable to attach HELENE DVB-S/S2 tuner frontend\n",
 462                                         __func__);
 463                         goto frontend_detach;
 464                 }
 465         }
 466
 467         if (!dvb_attach(lnbh25_attach, fes[0]->dvb.frontend,
 468                         &lnbh25_conf, &ndev->i2c[num].adap)) {
 469                 dev_dbg(&ndev->pci_dev->dev,
 470                         "%s(): unable to attach SEC frontend\n", __func__);
 471                 goto frontend_detach;
 472         }
 473
 474         /* DVB-T/T2 frontend */
 475         fes[1]->dvb.frontend = dvb_attach(cxd2841er_attach_t_c,
 476                 &demod_config, &ndev->i2c[num].adap);
 477         if (fes[1]->dvb.frontend == NULL) {
 478                 dev_dbg(&ndev->pci_dev->dev,
 479                         "%s(): unable to attach Ter frontend\n", __func__);
 480                 goto frontend_detach;
 481         }
 482         fes[1]->dvb.frontend->id = 1;
 483         if (ndev->rev == NETUP_HW_REV_1_3) {
 484                 ascot2e_conf.set_tuner_priv = &ndev->dma[num];
 485                 if (!dvb_attach(ascot2e_attach, fes[1]->dvb.frontend,
 486                                         &ascot2e_conf, &ndev->i2c[num].adap)) {
 487                         dev_dbg(&ndev->pci_dev->dev,
 488                                         "%s(): unable to attach Ter tuner frontend\n",
 489                                         __func__);
 490                         goto frontend_detach;
 491                 }
 492         } else {
 493                 helene_conf.set_tuner_priv = &ndev->dma[num];
 494                 if (!dvb_attach(helene_attach, fes[1]->dvb.frontend,
 495                                         &helene_conf, &ndev->i2c[num].adap)) {
 496                         dev_err(&ndev->pci_dev->dev,
 497                                         "%s(): unable to attach HELENE Ter tuner frontend\n",
 498                                         __func__);
 499                         goto frontend_detach;
 500                 }
 501         }
 502
 503         if (vb2_dvb_register_bus(&ndev->frontends[num],
 504                                  THIS_MODULE, NULL,
 505                                  &ndev->pci_dev->dev, NULL, adapter_nr, 1)) {
 506                 dev_dbg(&ndev->pci_dev->dev,
 507                         "%s(): unable to register DVB bus %d\n",
 508                         __func__, num);
 509                 goto frontend_detach;
 510         }
 511         dev_info(&ndev->pci_dev->dev, "DVB init done, num=%d\n", num);
 512         return 0;
 513 frontend_detach:
 514         vb2_dvb_dealloc_frontends(&ndev->frontends[num]);
 515         return -EINVAL;
 516 }
 517
 518 static void netup_unidvb_dvb_fini(struct netup_unidvb_dev *ndev, int num)
 519 {
 520         if (num < 0 || num > 1) {
 521                 dev_err(&ndev->pci_dev->dev,
 522                         "%s(): unable to unregister DVB bus %d\n",
 523                         __func__, num);
 524                 return;
 525         }
 526         vb2_dvb_unregister_bus(&ndev->frontends[num]);
 527         dev_info(&ndev->pci_dev->dev,
 528                 "%s(): DVB bus %d unregistered\n", __func__, num);
 529 }
 530
 531 static int netup_unidvb_dvb_setup(struct netup_unidvb_dev *ndev)
 532 {
 533         int res;
 534
 535         res = netup_unidvb_dvb_init(ndev, 0);
 536         if (res)
 537                 return res;
 538         res = netup_unidvb_dvb_init(ndev, 1);
 539         if (res) {
 540                 netup_unidvb_dvb_fini(ndev, 0);
 541                 return res;
 542         }
 543         return 0;
 544 }
 545
 546 static int netup_unidvb_ring_copy(struct netup_dma *dma,
 547                                   struct netup_unidvb_buffer *buf)
 548 {
 549         u32 copy_bytes, ring_bytes;
 550         u32 buff_bytes = NETUP_DMA_PACKETS_COUNT * 188 - buf->size;
 551         u8 *p = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 552         struct netup_unidvb_dev *ndev = dma->ndev;
 553
 554         if (p == NULL) {
 555                 dev_err(&ndev->pci_dev->dev,
 556                         "%s(): buffer is NULL\n", __func__);
 557                 return -EINVAL;
 558         }
 559         p += buf->size;
 560         if (dma->data_offset + dma->data_size > dma->ring_buffer_size) {
 561                 ring_bytes = dma->ring_buffer_size - dma->data_offset;
 562                 copy_bytes = (ring_bytes > buff_bytes) ?
 563                         buff_bytes : ring_bytes;
 564                 memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes);
 565                 p += copy_bytes;
 566                 buf->size += copy_bytes;
 567                 buff_bytes -= copy_bytes;
 568                 dma->data_size -= copy_bytes;
 569                 dma->data_offset += copy_bytes;
 570                 if (dma->data_offset == dma->ring_buffer_size)
 571                         dma->data_offset = 0;
 572         }
 573         if (buff_bytes > 0) {
 574                 ring_bytes = dma->data_size;
 575                 copy_bytes = (ring_bytes > buff_bytes) ?
 576                                 buff_bytes : ring_bytes;
 577                 memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes);
 578                 buf->size += copy_bytes;
 579                 dma->data_size -= copy_bytes;
 580                 dma->data_offset += copy_bytes;
 581                 if (dma->data_offset == dma->ring_buffer_size)
 582                         dma->data_offset = 0;
 583         }
 584         return 0;
 585 }
 586
 587 static void netup_unidvb_dma_worker(struct work_struct *work)
 588 {
 589         struct netup_dma *dma = container_of(work, struct netup_dma, work);
 590         struct netup_unidvb_dev *ndev = dma->ndev;
 591         struct netup_unidvb_buffer *buf;
 592         unsigned long flags;
 593
 594         spin_lock_irqsave(&dma->lock, flags);
 595         if (dma->data_size == 0) {
 596                 dev_dbg(&ndev->pci_dev->dev,
 597                         "%s(): data_size == 0\n", __func__);
 598                 goto work_done;
 599         }
 600         while (dma->data_size > 0) {
 601                 if (list_empty(&dma->free_buffers)) {
 602                         dev_dbg(&ndev->pci_dev->dev,
 603                                 "%s(): no free buffers\n", __func__);
 604                         goto work_done;
 605                 }
 606                 buf = list_first_entry(&dma->free_buffers,
 607                         struct netup_unidvb_buffer, list);
 608                 if (buf->size >= NETUP_DMA_PACKETS_COUNT * 188) {
 609                         dev_dbg(&ndev->pci_dev->dev,
 610                                 "%s(): buffer overflow, size %d\n",
 611                                 __func__, buf->size);
 612                         goto work_done;
 613                 }
 614                 if (netup_unidvb_ring_copy(dma, buf))
 615                         goto work_done;
 616                 if (buf->size == NETUP_DMA_PACKETS_COUNT * 188) {
 617                         list_del(&buf->list);
 618                         dev_dbg(&ndev->pci_dev->dev,
 619                                 "%s(): buffer %p done, size %d\n",
 620                                 __func__, buf, buf->size);
 621                         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 622                         vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->size);
 623                         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 624                 }
 625         }
 626 work_done:
 627         dma->data_size = 0;
 628         spin_unlock_irqrestore(&dma->lock, flags);
 629 }
 630
 631 static void netup_unidvb_queue_cleanup(struct netup_dma *dma)
 632 {
 633         struct netup_unidvb_buffer *buf;
 634         unsigned long flags;
 635
 636         spin_lock_irqsave(&dma->lock, flags);
 637         while (!list_empty(&dma->free_buffers)) {
 638                 buf = list_first_entry(&dma->free_buffers,
 639                         struct netup_unidvb_buffer, list);
 640                 list_del(&buf->list);
 641                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 642         }
 643         spin_unlock_irqrestore(&dma->lock, flags);
 644 }
 645
 646 static void netup_unidvb_dma_timeout(struct timer_list *t)
 647 {
 648         struct netup_dma *dma = from_timer(dma, t, timeout);
 649         struct netup_unidvb_dev *ndev = dma->ndev;
 650
 651         dev_dbg(&ndev->pci_dev->dev, "%s()\n", __func__);
 652         netup_unidvb_queue_cleanup(dma);
 653 }
 654
 655 static int netup_unidvb_dma_init(struct netup_unidvb_dev *ndev, int num)
 656 {
 657         struct netup_dma *dma;
 658         struct device *dev = &ndev->pci_dev->dev;
 659
 660         if (num < 0 || num > 1) {
 661                 dev_err(dev, "%s(): unable to register DMA%d\n",
 662                         __func__, num);
 663                 return -ENODEV;
 664         }
 665         dma = &ndev->dma[num];
 666         dev_info(dev, "%s(): starting DMA%d\n", __func__, num);
 667         dma->num = num;
 668         dma->ndev = ndev;
 669         spin_lock_init(&dma->lock);
 670         INIT_WORK(&dma->work, netup_unidvb_dma_worker);
 671         INIT_LIST_HEAD(&dma->free_buffers);
 672         timer_setup(&dma->timeout, netup_unidvb_dma_timeout, 0);
 673         dma->ring_buffer_size = ndev->dma_size / 2;
 674         dma->addr_virt = ndev->dma_virt + dma->ring_buffer_size * num;
 675         dma->addr_phys = (dma_addr_t)((u64)ndev->dma_phys +
 676                 dma->ring_buffer_size * num);
 677         dev_info(dev, "%s(): DMA%d buffer virt/phys 0x%p/0x%llx size %d\n",
 678                 __func__, num, dma->addr_virt,
 679                 (unsigned long long)dma->addr_phys,
 680                 dma->ring_buffer_size);
 681         memset_io((u8 __iomem *)dma->addr_virt, 0, dma->ring_buffer_size);
 682         dma->addr_last = dma->addr_phys;
 683         dma->high_addr = (u32)(dma->addr_phys & 0xC0000000);
 684         dma->regs = (struct netup_dma_regs __iomem *)(num == 0 ?
 685                 ndev->bmmio0 + NETUP_DMA0_ADDR :
 686                 ndev->bmmio0 + NETUP_DMA1_ADDR);
 687         writel((NETUP_DMA_BLOCKS_COUNT << 24) |
 688                 (NETUP_DMA_PACKETS_COUNT << 8) | 188, &dma->regs->size);
 689         writel((u32)(dma->addr_phys & 0x3FFFFFFF), &dma->regs->start_addr_lo);
 690         writel(0, &dma->regs->start_addr_hi);
 691         writel(dma->high_addr, ndev->bmmio0 + 0x1000);
 692         writel(375000000, &dma->regs->timeout);
 693         msleep(1000);
 694         writel(BIT_DMA_IRQ, &dma->regs->ctrlstat_clear);
 695         return 0;
 696 }
 697
 698 static void netup_unidvb_dma_fini(struct netup_unidvb_dev *ndev, int num)
 699 {
 700         struct netup_dma *dma;
 701
 702         if (num < 0 || num > 1)
 703                 return;
 704         dev_dbg(&ndev->pci_dev->dev, "%s(): num %d\n", __func__, num);
 705         dma = &ndev->dma[num];
 706         netup_unidvb_dma_enable(dma, 0);
 707         msleep(50);
 708         cancel_work_sync(&dma->work);
 709         del_timer(&dma->timeout);
 710 }
 711
 712 static int netup_unidvb_dma_setup(struct netup_unidvb_dev *ndev)
 713 {
 714         int res;
 715
 716         res = netup_unidvb_dma_init(ndev, 0);
 717         if (res)
 718                 return res;
 719         res = netup_unidvb_dma_init(ndev, 1);
 720         if (res) {
 721                 netup_unidvb_dma_fini(ndev, 0);
 722                 return res;
 723         }
 724         netup_unidvb_dma_enable(&ndev->dma[0], 0);
 725         netup_unidvb_dma_enable(&ndev->dma[1], 0);
 726         return 0;
 727 }
 728
 729 static int netup_unidvb_ci_setup(struct netup_unidvb_dev *ndev,
 730                                  struct pci_dev *pci_dev)
 731 {
 732         int res;
 733
 734         writew(NETUP_UNIDVB_IRQ_CI, ndev->bmmio0 + REG_IMASK_SET);
 735         res = netup_unidvb_ci_register(ndev, 0, pci_dev);
 736         if (res)
 737                 return res;
 738         res = netup_unidvb_ci_register(ndev, 1, pci_dev);
 739         if (res)
 740                 netup_unidvb_ci_unregister(ndev, 0);
 741         return res;
 742 }
 743
 744 static int netup_unidvb_request_mmio(struct pci_dev *pci_dev)
 745 {
 746         if (!request_mem_region(pci_resource_start(pci_dev, 0),
 747                         pci_resource_len(pci_dev, 0), NETUP_UNIDVB_NAME)) {
 748                 dev_err(&pci_dev->dev,
 749                         "%s(): unable to request MMIO bar 0 at 0x%llx\n",
 750                         __func__,
 751                         (unsigned long long)pci_resource_start(pci_dev, 0));
 752                 return -EBUSY;
 753         }
 754         if (!request_mem_region(pci_resource_start(pci_dev, 1),
 755                         pci_resource_len(pci_dev, 1), NETUP_UNIDVB_NAME)) {
 756                 dev_err(&pci_dev->dev,
 757                         "%s(): unable to request MMIO bar 1 at 0x%llx\n",
 758                         __func__,
 759                         (unsigned long long)pci_resource_start(pci_dev, 1));
 760                 release_mem_region(pci_resource_start(pci_dev, 0),
 761                         pci_resource_len(pci_dev, 0));
 762                 return -EBUSY;
 763         }
 764         return 0;
 765 }
 766
 767 static int netup_unidvb_request_modules(struct device *dev)
 768 {
 769         static const char * const modules[] = {
 770                 "lnbh25", "ascot2e", "horus3a", "cxd2841er", "helene", NULL
 771         };
 772         const char * const *curr_mod = modules;
 773         int err;
 774
 775         while (*curr_mod != NULL) {
 776                 err = request_module(*curr_mod);
 777                 if (err) {
 778                         dev_warn(dev, "request_module(%s) failed: %d\n",
 779                                 *curr_mod, err);
 780                 }
 781                 ++curr_mod;
 782         }
 783         return 0;
 784 }
 785
 786 static int netup_unidvb_initdev(struct pci_dev *pci_dev,
 787                                 const struct pci_device_id *pci_id)
 788 {
 789         u8 board_revision;
 790         u16 board_vendor;
 791         struct netup_unidvb_dev *ndev;
 792         int old_firmware = 0;
 793
 794         netup_unidvb_request_modules(&pci_dev->dev);
 795
 796         /* Check card revision */
 797         if (pci_dev->revision != NETUP_PCI_DEV_REVISION) {
 798                 dev_err(&pci_dev->dev,
 799                         "netup_unidvb: expected card revision %d, got %d\n",
 800                         NETUP_PCI_DEV_REVISION, pci_dev->revision);
 801                 dev_err(&pci_dev->dev,
 802                         "Please upgrade firmware!\n");
 803                 dev_err(&pci_dev->dev,
 804                         "Instructions on http://www.netup.tv\n");
 805                 old_firmware = 1;
 806                 spi_enable = 1;
 807         }
 808
 809         /* allocate device context */
 810         ndev = kzalloc(sizeof(*ndev), GFP_KERNEL);
 811         if (!ndev)
 812                 goto dev_alloc_err;
 813
 814         /* detect hardware revision */
 815         if (pci_dev->device == NETUP_HW_REV_1_3)
 816                 ndev->rev = NETUP_HW_REV_1_3;
 817         else
 818                 ndev->rev = NETUP_HW_REV_1_4;
 819
 820         dev_info(&pci_dev->dev,
 821                 "%s(): board (0x%x) hardware revision 0x%x\n",
 822                 __func__, pci_dev->device, ndev->rev);
 823
 824         ndev->old_fw = old_firmware;
 825         ndev->wq = create_singlethread_workqueue(NETUP_UNIDVB_NAME);
 826         if (!ndev->wq) {
 827                 dev_err(&pci_dev->dev,
 828                         "%s(): unable to create workqueue\n", __func__);
 829                 goto wq_create_err;
 830         }
 831         ndev->pci_dev = pci_dev;
 832         ndev->pci_bus = pci_dev->bus->number;
 833         ndev->pci_slot = PCI_SLOT(pci_dev->devfn);
 834         ndev->pci_func = PCI_FUNC(pci_dev->devfn);
 835         ndev->board_num = ndev->pci_bus*10 + ndev->pci_slot;
 836         pci_set_drvdata(pci_dev, ndev);
 837         /* PCI init */
 838         dev_info(&pci_dev->dev, "%s(): PCI device (%d). Bus:0x%x Slot:0x%x\n",
 839                 __func__, ndev->board_num, ndev->pci_bus, ndev->pci_slot);
 840
 841         if (pci_enable_device(pci_dev)) {
 842                 dev_err(&pci_dev->dev, "%s(): pci_enable_device failed\n",
 843                         __func__);
 844                 goto pci_enable_err;
 845         }
 846         /* read PCI info */
 847         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &board_revision);
 848         pci_read_config_word(pci_dev, PCI_VENDOR_ID, &board_vendor);
 849         if (board_vendor != NETUP_VENDOR_ID) {
 850                 dev_err(&pci_dev->dev, "%s(): unknown board vendor 0x%x",
 851                         __func__, board_vendor);
 852                 goto pci_detect_err;
 853         }
 854         dev_info(&pci_dev->dev,
 855                 "%s(): board vendor 0x%x, revision 0x%x\n",
 856                 __func__, board_vendor, board_revision);
 857         pci_set_master(pci_dev);
 858         if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) {
 859                 dev_err(&pci_dev->dev,
 860                         "%s(): 32bit PCI DMA is not supported\n", __func__);
 861                 goto pci_detect_err;
 862         }
 863         dev_info(&pci_dev->dev, "%s(): using 32bit PCI DMA\n", __func__);
 864         /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
 865         pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL,
 866                 PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
 867                 PCI_EXP_DEVCTL_NOSNOOP_EN, 0);
 868         /* Adjust PCIe completion timeout. */
 869         pcie_capability_clear_and_set_word(pci_dev,
 870                 PCI_EXP_DEVCTL2, PCI_EXP_DEVCTL2_COMP_TIMEOUT, 0x2);
 871
 872         if (netup_unidvb_request_mmio(pci_dev)) {
 873                 dev_err(&pci_dev->dev,
 874                         "%s(): unable to request MMIO regions\n", __func__);
 875                 goto pci_detect_err;
 876         }
 877         ndev->lmmio0 = ioremap(pci_resource_start(pci_dev, 0),
 878                 pci_resource_len(pci_dev, 0));
 879         if (!ndev->lmmio0) {
 880                 dev_err(&pci_dev->dev,
 881                         "%s(): unable to remap MMIO bar 0\n", __func__);
 882                 goto pci_bar0_error;
 883         }
 884         ndev->lmmio1 = ioremap(pci_resource_start(pci_dev, 1),
 885                 pci_resource_len(pci_dev, 1));
 886         if (!ndev->lmmio1) {
 887                 dev_err(&pci_dev->dev,
 888                         "%s(): unable to remap MMIO bar 1\n", __func__);
 889                 goto pci_bar1_error;
 890         }
 891         ndev->bmmio0 = (u8 __iomem *)ndev->lmmio0;
 892         ndev->bmmio1 = (u8 __iomem *)ndev->lmmio1;
 893         dev_info(&pci_dev->dev,
 894                 "%s(): PCI MMIO at 0x%p (%d); 0x%p (%d); IRQ %d",
 895                 __func__,
 896                 ndev->lmmio0, (u32)pci_resource_len(pci_dev, 0),
 897                 ndev->lmmio1, (u32)pci_resource_len(pci_dev, 1),
 898                 pci_dev->irq);
 899         if (request_irq(pci_dev->irq, netup_unidvb_isr, IRQF_SHARED,
 900                         "netup_unidvb", pci_dev) < 0) {
 901                 dev_err(&pci_dev->dev,
 902                         "%s(): can't get IRQ %d\n", __func__, pci_dev->irq);
 903                 goto irq_request_err;
 904         }
 905         ndev->dma_size = 2 * 188 *
 906                 NETUP_DMA_BLOCKS_COUNT * NETUP_DMA_PACKETS_COUNT;
 907         ndev->dma_virt = dma_alloc_coherent(&pci_dev->dev,
 908                 ndev->dma_size, &ndev->dma_phys, GFP_KERNEL);
 909         if (!ndev->dma_virt) {
 910                 dev_err(&pci_dev->dev, "%s(): unable to allocate DMA buffer\n",
 911                         __func__);
 912                 goto dma_alloc_err;
 913         }
 914         netup_unidvb_dev_enable(ndev);
 915         if (spi_enable && netup_spi_init(ndev)) {
 916                 dev_warn(&pci_dev->dev,
 917                         "netup_unidvb: SPI flash setup failed\n");
 918                 goto spi_setup_err;
 919         }
 920         if (old_firmware) {
 921                 dev_err(&pci_dev->dev,
 922                         "netup_unidvb: card initialization was incomplete\n");
 923                 return 0;
 924         }
 925         if (netup_i2c_register(ndev)) {
 926                 dev_err(&pci_dev->dev, "netup_unidvb: I2C setup failed\n");
 927                 goto i2c_setup_err;
 928         }
 929         /* enable I2C IRQs */
 930         writew(NETUP_UNIDVB_IRQ_I2C0 | NETUP_UNIDVB_IRQ_I2C1,
 931                 ndev->bmmio0 + REG_IMASK_SET);
 932         usleep_range(5000, 10000);
 933         if (netup_unidvb_dvb_setup(ndev)) {
 934                 dev_err(&pci_dev->dev, "netup_unidvb: DVB setup failed\n");
 935                 goto dvb_setup_err;
 936         }
 937         if (netup_unidvb_ci_setup(ndev, pci_dev)) {
 938                 dev_err(&pci_dev->dev, "netup_unidvb: CI setup failed\n");
 939                 goto ci_setup_err;
 940         }
 941         if (netup_unidvb_dma_setup(ndev)) {
 942                 dev_err(&pci_dev->dev, "netup_unidvb: DMA setup failed\n");
 943                 goto dma_setup_err;
 944         }
 945         dev_info(&pci_dev->dev,
 946                 "netup_unidvb: device has been initialized\n");
 947         return 0;
 948 dma_setup_err:
 949         netup_unidvb_ci_unregister(ndev, 0);
 950         netup_unidvb_ci_unregister(ndev, 1);
 951 ci_setup_err:
 952         netup_unidvb_dvb_fini(ndev, 0);
 953         netup_unidvb_dvb_fini(ndev, 1);
 954 dvb_setup_err:
 955         netup_i2c_unregister(ndev);
 956 i2c_setup_err:
 957         if (ndev->spi)
 958                 netup_spi_release(ndev);
 959 spi_setup_err:
 960         dma_free_coherent(&pci_dev->dev, ndev->dma_size,
 961                         ndev->dma_virt, ndev->dma_phys);
 962 dma_alloc_err:
 963         free_irq(pci_dev->irq, pci_dev);
 964 irq_request_err:
 965         iounmap(ndev->lmmio1);
 966 pci_bar1_error:
 967         iounmap(ndev->lmmio0);
 968 pci_bar0_error:
 969         release_mem_region(pci_resource_start(pci_dev, 0),
 970                 pci_resource_len(pci_dev, 0));
 971         release_mem_region(pci_resource_start(pci_dev, 1),
 972                 pci_resource_len(pci_dev, 1));
 973 pci_detect_err:
 974         pci_disable_device(pci_dev);
 975 pci_enable_err:
 976         pci_set_drvdata(pci_dev, NULL);
 977         destroy_workqueue(ndev->wq);
 978 wq_create_err:
 979         kfree(ndev);
 980 dev_alloc_err:
 981         dev_err(&pci_dev->dev,
 982                 "%s(): failed to initialize device\n", __func__);
 983         return -EIO;
 984 }
 985
 986 static void netup_unidvb_finidev(struct pci_dev *pci_dev)
 987 {
 988         struct netup_unidvb_dev *ndev = pci_get_drvdata(pci_dev);
 989
 990         dev_info(&pci_dev->dev, "%s(): trying to stop device\n", __func__);
 991         if (!ndev->old_fw) {
 992                 netup_unidvb_dma_fini(ndev, 0);
 993                 netup_unidvb_dma_fini(ndev, 1);
 994                 netup_unidvb_ci_unregister(ndev, 0);
 995                 netup_unidvb_ci_unregister(ndev, 1);
 996                 netup_unidvb_dvb_fini(ndev, 0);
 997                 netup_unidvb_dvb_fini(ndev, 1);
 998                 netup_i2c_unregister(ndev);
 999         }
1000         if (ndev->spi)
1001                 netup_spi_release(ndev);
1002         writew(0xffff, ndev->bmmio0 + REG_IMASK_CLEAR);
1003         dma_free_coherent(&ndev->pci_dev->dev, ndev->dma_size,
1004                         ndev->dma_virt, ndev->dma_phys);
1005         free_irq(pci_dev->irq, pci_dev);
1006         iounmap(ndev->lmmio0);
1007         iounmap(ndev->lmmio1);
1008         release_mem_region(pci_resource_start(pci_dev, 0),
1009                 pci_resource_len(pci_dev, 0));
1010         release_mem_region(pci_resource_start(pci_dev, 1),
1011                 pci_resource_len(pci_dev, 1));
1012         pci_disable_device(pci_dev);
1013         pci_set_drvdata(pci_dev, NULL);
1014         destroy_workqueue(ndev->wq);
1015         kfree(ndev);
1016         dev_info(&pci_dev->dev,
1017                 "%s(): device has been successfully stopped\n", __func__);
1018 }
1019
1020
1021 static const struct pci_device_id netup_unidvb_pci_tbl[] = {
1022         { PCI_DEVICE(0x1b55, 0x18f6) }, /* hw rev. 1.3 */
1023         { PCI_DEVICE(0x1b55, 0x18f7) }, /* hw rev. 1.4 */
1024         { 0, }
1025 };
1026 MODULE_DEVICE_TABLE(pci, netup_unidvb_pci_tbl);
1027
1028 static struct pci_driver netup_unidvb_pci_driver = {
1029         .name     = "netup_unidvb",
1030         .id_table = netup_unidvb_pci_tbl,
1031         .probe    = netup_unidvb_initdev,
1032         .remove   = netup_unidvb_finidev,
1033         .suspend  = NULL,
1034         .resume   = NULL,
1035 };
1036
1037 module_pci_driver(netup_unidvb_pci_driver);