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_I2C0) {
 271                         iret = netup_i2c_interrupt(&ndev->i2c[0]);
 272                 } else if (reg_isr & NETUP_UNIDVB_IRQ_I2C1) {
 273                         iret = netup_i2c_interrupt(&ndev->i2c[1]);
 274                 } else if (reg_isr & NETUP_UNIDVB_IRQ_SPI) {
 275                         iret = netup_spi_interrupt(ndev->spi);
 276                 } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA1) {
 277                         iret = netup_dma_interrupt(&ndev->dma[0]);
 278                 } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA2) {
 279                         iret = netup_dma_interrupt(&ndev->dma[1]);
 280                 } else if (reg_isr & NETUP_UNIDVB_IRQ_CI) {
 281                         iret = netup_ci_interrupt(ndev);
 282                 } else {
 283                         dev_err(&pci_dev->dev,
 284                                 "%s(): unknown interrupt 0x%x\n",
 285                                 __func__, reg_isr);
 286                 }
 287         }
 288         /* re-enable interrupts */
 289         writel(AVL_IRQ_ENABLE, ndev->bmmio0 + AVL_PCIE_IENR);
 290         return iret;
 291 }
 292
 293 static int netup_unidvb_queue_setup(struct vb2_queue *vq,
 294                                     unsigned int *nbuffers,
 295                                     unsigned int *nplanes,
 296                                     unsigned int sizes[],
 297                                     struct device *alloc_devs[])
 298 {
 299         struct netup_dma *dma = vb2_get_drv_priv(vq);
 300
 301         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 302
 303         *nplanes = 1;
 304         if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME)
 305                 *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers;
 306         sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188);
 307         dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n",
 308                 __func__, *nbuffers, sizes[0]);
 309         return 0;
 310 }
 311
 312 static int netup_unidvb_buf_prepare(struct vb2_buffer *vb)
 313 {
 314         struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue);
 315         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 316         struct netup_unidvb_buffer *buf = container_of(vbuf,
 317                                 struct netup_unidvb_buffer, vb);
 318
 319         dev_dbg(&dma->ndev->pci_dev->dev, "%s(): buf 0x%p\n", __func__, buf);
 320         buf->size = 0;
 321         return 0;
 322 }
 323
 324 static void netup_unidvb_buf_queue(struct vb2_buffer *vb)
 325 {
 326         unsigned long flags;
 327         struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue);
 328         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 329         struct netup_unidvb_buffer *buf = container_of(vbuf,
 330                                 struct netup_unidvb_buffer, vb);
 331
 332         dev_dbg(&dma->ndev->pci_dev->dev, "%s(): %p\n", __func__, buf);
 333         spin_lock_irqsave(&dma->lock, flags);
 334         list_add_tail(&buf->list, &dma->free_buffers);
 335         spin_unlock_irqrestore(&dma->lock, flags);
 336         mod_timer(&dma->timeout, jiffies + msecs_to_jiffies(1000));
 337 }
 338
 339 static int netup_unidvb_start_streaming(struct vb2_queue *q, unsigned int count)
 340 {
 341         struct netup_dma *dma = vb2_get_drv_priv(q);
 342
 343         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 344         netup_unidvb_dma_enable(dma, 1);
 345         return 0;
 346 }
 347
 348 static void netup_unidvb_stop_streaming(struct vb2_queue *q)
 349 {
 350         struct netup_dma *dma = vb2_get_drv_priv(q);
 351
 352         dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__);
 353         netup_unidvb_dma_enable(dma, 0);
 354         netup_unidvb_queue_cleanup(dma);
 355 }
 356
 357 static const struct vb2_ops dvb_qops = {
 358         .queue_setup            = netup_unidvb_queue_setup,
 359         .buf_prepare            = netup_unidvb_buf_prepare,
 360         .buf_queue              = netup_unidvb_buf_queue,
 361         .start_streaming        = netup_unidvb_start_streaming,
 362         .stop_streaming         = netup_unidvb_stop_streaming,
 363 };
 364
 365 static int netup_unidvb_queue_init(struct netup_dma *dma,
 366                                    struct vb2_queue *vb_queue)
 367 {
 368         int res;
 369
 370         /* Init videobuf2 queue structure */
 371         vb_queue->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 372         vb_queue->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
 373         vb_queue->drv_priv = dma;
 374         vb_queue->buf_struct_size = sizeof(struct netup_unidvb_buffer);
 375         vb_queue->ops = &dvb_qops;
 376         vb_queue->mem_ops = &vb2_vmalloc_memops;
 377         vb_queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 378         res = vb2_queue_init(vb_queue);
 379         if (res != 0) {
 380                 dev_err(&dma->ndev->pci_dev->dev,
 381                         "%s(): vb2_queue_init failed (%d)\n", __func__, res);
 382         }
 383         return res;
 384 }
 385
 386 static int netup_unidvb_dvb_init(struct netup_unidvb_dev *ndev,
 387                                  int num)
 388 {
 389         int fe_count = 2;
 390         int i = 0;
 391         struct vb2_dvb_frontend *fes[2];
 392         u8 fe_name[32];
 393
 394         if (ndev->rev == NETUP_HW_REV_1_3)
 395                 demod_config.xtal = SONY_XTAL_20500;
 396         else
 397                 demod_config.xtal = SONY_XTAL_24000;
 398
 399         if (num < 0 || num > 1) {
 400                 dev_dbg(&ndev->pci_dev->dev,
 401                         "%s(): unable to init DVB bus %d\n", __func__, num);
 402                 return -ENODEV;
 403         }
 404         mutex_init(&ndev->frontends[num].lock);
 405         INIT_LIST_HEAD(&ndev->frontends[num].felist);
 406
 407         for (i = 0; i < fe_count; i++) {
 408                 if (vb2_dvb_alloc_frontend(&ndev->frontends[num], i+1)
 409                                 == NULL) {
 410                         dev_err(&ndev->pci_dev->dev,
 411                                         "%s(): unable to allocate vb2_dvb_frontend\n",
 412                                         __func__);
 413                         return -ENOMEM;
 414                 }
 415         }
 416
 417         for (i = 0; i < fe_count; i++) {
 418                 fes[i] = vb2_dvb_get_frontend(&ndev->frontends[num], i+1);
 419                 if (fes[i] == NULL) {
 420                         dev_err(&ndev->pci_dev->dev,
 421                                 "%s(): frontends has not been allocated\n",
 422                                 __func__);
 423                         return -EINVAL;
 424                 }
 425         }
 426
 427         for (i = 0; i < fe_count; i++) {
 428                 netup_unidvb_queue_init(&ndev->dma[num], &fes[i]->dvb.dvbq);
 429                 snprintf(fe_name, sizeof(fe_name), "netup_fe%d", i);
 430                 fes[i]->dvb.name = fe_name;
 431         }
 432
 433         fes[0]->dvb.frontend = dvb_attach(cxd2841er_attach_s,
 434                 &demod_config, &ndev->i2c[num].adap);
 435         if (fes[0]->dvb.frontend == NULL) {
 436                 dev_dbg(&ndev->pci_dev->dev,
 437                         "%s(): unable to attach DVB-S/S2 frontend\n",
 438                         __func__);
 439                 goto frontend_detach;
 440         }
 441
 442         if (ndev->rev == NETUP_HW_REV_1_3) {
 443                 horus3a_conf.set_tuner_priv = &ndev->dma[num];
 444                 if (!dvb_attach(horus3a_attach, fes[0]->dvb.frontend,
 445                                         &horus3a_conf, &ndev->i2c[num].adap)) {
 446                         dev_dbg(&ndev->pci_dev->dev,
 447                                         "%s(): unable to attach HORUS3A DVB-S/S2 tuner frontend\n",
 448                                         __func__);
 449                         goto frontend_detach;
 450                 }
 451         } else {
 452                 helene_conf.set_tuner_priv = &ndev->dma[num];
 453                 if (!dvb_attach(helene_attach_s, fes[0]->dvb.frontend,
 454                                         &helene_conf, &ndev->i2c[num].adap)) {
 455                         dev_err(&ndev->pci_dev->dev,
 456                                         "%s(): unable to attach HELENE DVB-S/S2 tuner frontend\n",
 457                                         __func__);
 458                         goto frontend_detach;
 459                 }
 460         }
 461
 462         if (!dvb_attach(lnbh25_attach, fes[0]->dvb.frontend,
 463                         &lnbh25_conf, &ndev->i2c[num].adap)) {
 464                 dev_dbg(&ndev->pci_dev->dev,
 465                         "%s(): unable to attach SEC frontend\n", __func__);
 466                 goto frontend_detach;
 467         }
 468
 469         /* DVB-T/T2 frontend */
 470         fes[1]->dvb.frontend = dvb_attach(cxd2841er_attach_t_c,
 471                 &demod_config, &ndev->i2c[num].adap);
 472         if (fes[1]->dvb.frontend == NULL) {
 473                 dev_dbg(&ndev->pci_dev->dev,
 474                         "%s(): unable to attach Ter frontend\n", __func__);
 475                 goto frontend_detach;
 476         }
 477         fes[1]->dvb.frontend->id = 1;
 478         if (ndev->rev == NETUP_HW_REV_1_3) {
 479                 ascot2e_conf.set_tuner_priv = &ndev->dma[num];
 480                 if (!dvb_attach(ascot2e_attach, fes[1]->dvb.frontend,
 481                                         &ascot2e_conf, &ndev->i2c[num].adap)) {
 482                         dev_dbg(&ndev->pci_dev->dev,
 483                                         "%s(): unable to attach Ter tuner frontend\n",
 484                                         __func__);
 485                         goto frontend_detach;
 486                 }
 487         } else {
 488                 helene_conf.set_tuner_priv = &ndev->dma[num];
 489                 if (!dvb_attach(helene_attach, fes[1]->dvb.frontend,
 490                                         &helene_conf, &ndev->i2c[num].adap)) {
 491                         dev_err(&ndev->pci_dev->dev,
 492                                         "%s(): unable to attach HELENE Ter tuner frontend\n",
 493                                         __func__);
 494                         goto frontend_detach;
 495                 }
 496         }
 497
 498         if (vb2_dvb_register_bus(&ndev->frontends[num],
 499                                  THIS_MODULE, NULL,
 500                                  &ndev->pci_dev->dev, NULL, adapter_nr, 1)) {
 501                 dev_dbg(&ndev->pci_dev->dev,
 502                         "%s(): unable to register DVB bus %d\n",
 503                         __func__, num);
 504                 goto frontend_detach;
 505         }
 506         dev_info(&ndev->pci_dev->dev, "DVB init done, num=%d\n", num);
 507         return 0;
 508 frontend_detach:
 509         vb2_dvb_dealloc_frontends(&ndev->frontends[num]);
 510         return -EINVAL;
 511 }
 512
 513 static void netup_unidvb_dvb_fini(struct netup_unidvb_dev *ndev, int num)
 514 {
 515         if (num < 0 || num > 1) {
 516                 dev_err(&ndev->pci_dev->dev,
 517                         "%s(): unable to unregister DVB bus %d\n",
 518                         __func__, num);
 519                 return;
 520         }
 521         vb2_dvb_unregister_bus(&ndev->frontends[num]);
 522         dev_info(&ndev->pci_dev->dev,
 523                 "%s(): DVB bus %d unregistered\n", __func__, num);
 524 }
 525
 526 static int netup_unidvb_dvb_setup(struct netup_unidvb_dev *ndev)
 527 {
 528         int res;
 529
 530         res = netup_unidvb_dvb_init(ndev, 0);
 531         if (res)
 532                 return res;
 533         res = netup_unidvb_dvb_init(ndev, 1);
 534         if (res) {
 535                 netup_unidvb_dvb_fini(ndev, 0);
 536                 return res;
 537         }
 538         return 0;
 539 }
 540
 541 static int netup_unidvb_ring_copy(struct netup_dma *dma,
 542                                   struct netup_unidvb_buffer *buf)
 543 {
 544         u32 copy_bytes, ring_bytes;
 545         u32 buff_bytes = NETUP_DMA_PACKETS_COUNT * 188 - buf->size;
 546         u8 *p = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
 547         struct netup_unidvb_dev *ndev = dma->ndev;
 548
 549         if (p == NULL) {
 550                 dev_err(&ndev->pci_dev->dev,
 551                         "%s(): buffer is NULL\n", __func__);
 552                 return -EINVAL;
 553         }
 554         p += buf->size;
 555         if (dma->data_offset + dma->data_size > dma->ring_buffer_size) {
 556                 ring_bytes = dma->ring_buffer_size - dma->data_offset;
 557                 copy_bytes = (ring_bytes > buff_bytes) ?
 558                         buff_bytes : ring_bytes;
 559                 memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes);
 560                 p += copy_bytes;
 561                 buf->size += copy_bytes;
 562                 buff_bytes -= copy_bytes;
 563                 dma->data_size -= copy_bytes;
 564                 dma->data_offset += copy_bytes;
 565                 if (dma->data_offset == dma->ring_buffer_size)
 566                         dma->data_offset = 0;
 567         }
 568         if (buff_bytes > 0) {
 569                 ring_bytes = dma->data_size;
 570                 copy_bytes = (ring_bytes > buff_bytes) ?
 571                                 buff_bytes : ring_bytes;
 572                 memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes);
 573                 buf->size += copy_bytes;
 574                 dma->data_size -= copy_bytes;
 575                 dma->data_offset += copy_bytes;
 576                 if (dma->data_offset == dma->ring_buffer_size)
 577                         dma->data_offset = 0;
 578         }
 579         return 0;
 580 }
 581
 582 static void netup_unidvb_dma_worker(struct work_struct *work)
 583 {
 584         struct netup_dma *dma = container_of(work, struct netup_dma, work);
 585         struct netup_unidvb_dev *ndev = dma->ndev;
 586         struct netup_unidvb_buffer *buf;
 587         unsigned long flags;
 588
 589         spin_lock_irqsave(&dma->lock, flags);
 590         if (dma->data_size == 0) {
 591                 dev_dbg(&ndev->pci_dev->dev,
 592                         "%s(): data_size == 0\n", __func__);
 593                 goto work_done;
 594         }
 595         while (dma->data_size > 0) {
 596                 if (list_empty(&dma->free_buffers)) {
 597                         dev_dbg(&ndev->pci_dev->dev,
 598                                 "%s(): no free buffers\n", __func__);
 599                         goto work_done;
 600                 }
 601                 buf = list_first_entry(&dma->free_buffers,
 602                         struct netup_unidvb_buffer, list);
 603                 if (buf->size >= NETUP_DMA_PACKETS_COUNT * 188) {
 604                         dev_dbg(&ndev->pci_dev->dev,
 605                                 "%s(): buffer overflow, size %d\n",
 606                                 __func__, buf->size);
 607                         goto work_done;
 608                 }
 609                 if (netup_unidvb_ring_copy(dma, buf))
 610                         goto work_done;
 611                 if (buf->size == NETUP_DMA_PACKETS_COUNT * 188) {
 612                         list_del(&buf->list);
 613                         dev_dbg(&ndev->pci_dev->dev,
 614                                 "%s(): buffer %p done, size %d\n",
 615                                 __func__, buf, buf->size);
 616                         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 617                         vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->size);
 618                         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 619                 }
 620         }
 621 work_done:
 622         dma->data_size = 0;
 623         spin_unlock_irqrestore(&dma->lock, flags);
 624 }
 625
 626 static void netup_unidvb_queue_cleanup(struct netup_dma *dma)
 627 {
 628         struct netup_unidvb_buffer *buf;
 629         unsigned long flags;
 630
 631         spin_lock_irqsave(&dma->lock, flags);
 632         while (!list_empty(&dma->free_buffers)) {
 633                 buf = list_first_entry(&dma->free_buffers,
 634                         struct netup_unidvb_buffer, list);
 635                 list_del(&buf->list);
 636                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 637         }
 638         spin_unlock_irqrestore(&dma->lock, flags);
 639 }
 640
 641 static void netup_unidvb_dma_timeout(struct timer_list *t)
 642 {
 643         struct netup_dma *dma = from_timer(dma, t, timeout);
 644         struct netup_unidvb_dev *ndev = dma->ndev;
 645
 646         dev_dbg(&ndev->pci_dev->dev, "%s()\n", __func__);
 647         netup_unidvb_queue_cleanup(dma);
 648 }
 649
 650 static int netup_unidvb_dma_init(struct netup_unidvb_dev *ndev, int num)
 651 {
 652         struct netup_dma *dma;
 653         struct device *dev = &ndev->pci_dev->dev;
 654
 655         if (num < 0 || num > 1) {
 656                 dev_err(dev, "%s(): unable to register DMA%d\n",
 657                         __func__, num);
 658                 return -ENODEV;
 659         }
 660         dma = &ndev->dma[num];
 661         dev_info(dev, "%s(): starting DMA%d\n", __func__, num);
 662         dma->num = num;
 663         dma->ndev = ndev;
 664         spin_lock_init(&dma->lock);
 665         INIT_WORK(&dma->work, netup_unidvb_dma_worker);
 666         INIT_LIST_HEAD(&dma->free_buffers);
 667         timer_setup(&dma->timeout, netup_unidvb_dma_timeout, 0);
 668         dma->ring_buffer_size = ndev->dma_size / 2;
 669         dma->addr_virt = ndev->dma_virt + dma->ring_buffer_size * num;
 670         dma->addr_phys = (dma_addr_t)((u64)ndev->dma_phys +
 671                 dma->ring_buffer_size * num);
 672         dev_info(dev, "%s(): DMA%d buffer virt/phys 0x%p/0x%llx size %d\n",
 673                 __func__, num, dma->addr_virt,
 674                 (unsigned long long)dma->addr_phys,
 675                 dma->ring_buffer_size);
 676         memset_io((u8 __iomem *)dma->addr_virt, 0, dma->ring_buffer_size);
 677         dma->addr_last = dma->addr_phys;
 678         dma->high_addr = (u32)(dma->addr_phys & 0xC0000000);
 679         dma->regs = (struct netup_dma_regs __iomem *)(num == 0 ?
 680                 ndev->bmmio0 + NETUP_DMA0_ADDR :
 681                 ndev->bmmio0 + NETUP_DMA1_ADDR);
 682         writel((NETUP_DMA_BLOCKS_COUNT << 24) |
 683                 (NETUP_DMA_PACKETS_COUNT << 8) | 188, &dma->regs->size);
 684         writel((u32)(dma->addr_phys & 0x3FFFFFFF), &dma->regs->start_addr_lo);
 685         writel(0, &dma->regs->start_addr_hi);
 686         writel(dma->high_addr, ndev->bmmio0 + 0x1000);
 687         writel(375000000, &dma->regs->timeout);
 688         msleep(1000);
 689         writel(BIT_DMA_IRQ, &dma->regs->ctrlstat_clear);
 690         return 0;
 691 }
 692
 693 static void netup_unidvb_dma_fini(struct netup_unidvb_dev *ndev, int num)
 694 {
 695         struct netup_dma *dma;
 696
 697         if (num < 0 || num > 1)
 698                 return;
 699         dev_dbg(&ndev->pci_dev->dev, "%s(): num %d\n", __func__, num);
 700         dma = &ndev->dma[num];
 701         netup_unidvb_dma_enable(dma, 0);
 702         msleep(50);
 703         cancel_work_sync(&dma->work);
 704         del_timer(&dma->timeout);
 705 }
 706
 707 static int netup_unidvb_dma_setup(struct netup_unidvb_dev *ndev)
 708 {
 709         int res;
 710
 711         res = netup_unidvb_dma_init(ndev, 0);
 712         if (res)
 713                 return res;
 714         res = netup_unidvb_dma_init(ndev, 1);
 715         if (res) {
 716                 netup_unidvb_dma_fini(ndev, 0);
 717                 return res;
 718         }
 719         netup_unidvb_dma_enable(&ndev->dma[0], 0);
 720         netup_unidvb_dma_enable(&ndev->dma[1], 0);
 721         return 0;
 722 }
 723
 724 static int netup_unidvb_ci_setup(struct netup_unidvb_dev *ndev,
 725                                  struct pci_dev *pci_dev)
 726 {
 727         int res;
 728
 729         writew(NETUP_UNIDVB_IRQ_CI, ndev->bmmio0 + REG_IMASK_SET);
 730         res = netup_unidvb_ci_register(ndev, 0, pci_dev);
 731         if (res)
 732                 return res;
 733         res = netup_unidvb_ci_register(ndev, 1, pci_dev);
 734         if (res)
 735                 netup_unidvb_ci_unregister(ndev, 0);
 736         return res;
 737 }
 738
 739 static int netup_unidvb_request_mmio(struct pci_dev *pci_dev)
 740 {
 741         if (!request_mem_region(pci_resource_start(pci_dev, 0),
 742                         pci_resource_len(pci_dev, 0), NETUP_UNIDVB_NAME)) {
 743                 dev_err(&pci_dev->dev,
 744                         "%s(): unable to request MMIO bar 0 at 0x%llx\n",
 745                         __func__,
 746                         (unsigned long long)pci_resource_start(pci_dev, 0));
 747                 return -EBUSY;
 748         }
 749         if (!request_mem_region(pci_resource_start(pci_dev, 1),
 750                         pci_resource_len(pci_dev, 1), NETUP_UNIDVB_NAME)) {
 751                 dev_err(&pci_dev->dev,
 752                         "%s(): unable to request MMIO bar 1 at 0x%llx\n",
 753                         __func__,
 754                         (unsigned long long)pci_resource_start(pci_dev, 1));
 755                 release_mem_region(pci_resource_start(pci_dev, 0),
 756                         pci_resource_len(pci_dev, 0));
 757                 return -EBUSY;
 758         }
 759         return 0;
 760 }
 761
 762 static int netup_unidvb_request_modules(struct device *dev)
 763 {
 764         static const char * const modules[] = {
 765                 "lnbh25", "ascot2e", "horus3a", "cxd2841er", "helene", NULL
 766         };
 767         const char * const *curr_mod = modules;
 768         int err;
 769
 770         while (*curr_mod != NULL) {
 771                 err = request_module(*curr_mod);
 772                 if (err) {
 773                         dev_warn(dev, "request_module(%s) failed: %d\n",
 774                                 *curr_mod, err);
 775                 }
 776                 ++curr_mod;
 777         }
 778         return 0;
 779 }
 780
 781 static int netup_unidvb_initdev(struct pci_dev *pci_dev,
 782                                 const struct pci_device_id *pci_id)
 783 {
 784         u8 board_revision;
 785         u16 board_vendor;
 786         struct netup_unidvb_dev *ndev;
 787         int old_firmware = 0;
 788
 789         netup_unidvb_request_modules(&pci_dev->dev);
 790
 791         /* Check card revision */
 792         if (pci_dev->revision != NETUP_PCI_DEV_REVISION) {
 793                 dev_err(&pci_dev->dev,
 794                         "netup_unidvb: expected card revision %d, got %d\n",
 795                         NETUP_PCI_DEV_REVISION, pci_dev->revision);
 796                 dev_err(&pci_dev->dev,
 797                         "Please upgrade firmware!\n");
 798                 dev_err(&pci_dev->dev,
 799                         "Instructions on http://www.netup.tv\n");
 800                 old_firmware = 1;
 801                 spi_enable = 1;
 802         }
 803
 804         /* allocate device context */
 805         ndev = kzalloc(sizeof(*ndev), GFP_KERNEL);
 806         if (!ndev)
 807                 goto dev_alloc_err;
 808
 809         /* detect hardware revision */
 810         if (pci_dev->device == NETUP_HW_REV_1_3)
 811                 ndev->rev = NETUP_HW_REV_1_3;
 812         else
 813                 ndev->rev = NETUP_HW_REV_1_4;
 814
 815         dev_info(&pci_dev->dev,
 816                 "%s(): board (0x%x) hardware revision 0x%x\n",
 817                 __func__, pci_dev->device, ndev->rev);
 818
 819         ndev->old_fw = old_firmware;
 820         ndev->wq = create_singlethread_workqueue(NETUP_UNIDVB_NAME);
 821         if (!ndev->wq) {
 822                 dev_err(&pci_dev->dev,
 823                         "%s(): unable to create workqueue\n", __func__);
 824                 goto wq_create_err;
 825         }
 826         ndev->pci_dev = pci_dev;
 827         ndev->pci_bus = pci_dev->bus->number;
 828         ndev->pci_slot = PCI_SLOT(pci_dev->devfn);
 829         ndev->pci_func = PCI_FUNC(pci_dev->devfn);
 830         ndev->board_num = ndev->pci_bus*10 + ndev->pci_slot;
 831         pci_set_drvdata(pci_dev, ndev);
 832         /* PCI init */
 833         dev_info(&pci_dev->dev, "%s(): PCI device (%d). Bus:0x%x Slot:0x%x\n",
 834                 __func__, ndev->board_num, ndev->pci_bus, ndev->pci_slot);
 835
 836         if (pci_enable_device(pci_dev)) {
 837                 dev_err(&pci_dev->dev, "%s(): pci_enable_device failed\n",
 838                         __func__);
 839                 goto pci_enable_err;
 840         }
 841         /* read PCI info */
 842         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &board_revision);
 843         pci_read_config_word(pci_dev, PCI_VENDOR_ID, &board_vendor);
 844         if (board_vendor != NETUP_VENDOR_ID) {
 845                 dev_err(&pci_dev->dev, "%s(): unknown board vendor 0x%x",
 846                         __func__, board_vendor);
 847                 goto pci_detect_err;
 848         }
 849         dev_info(&pci_dev->dev,
 850                 "%s(): board vendor 0x%x, revision 0x%x\n",
 851                 __func__, board_vendor, board_revision);
 852         pci_set_master(pci_dev);
 853         if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) {
 854                 dev_err(&pci_dev->dev,
 855                         "%s(): 32bit PCI DMA is not supported\n", __func__);
 856                 goto pci_detect_err;
 857         }
 858         dev_info(&pci_dev->dev, "%s(): using 32bit PCI DMA\n", __func__);
 859         /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
 860         pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL,
 861                 PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
 862                 PCI_EXP_DEVCTL_NOSNOOP_EN, 0);
 863         /* Adjust PCIe completion timeout. */
 864         pcie_capability_clear_and_set_word(pci_dev,
 865                 PCI_EXP_DEVCTL2, 0xf, 0x2);
 866
 867         if (netup_unidvb_request_mmio(pci_dev)) {
 868                 dev_err(&pci_dev->dev,
 869                         "%s(): unable to request MMIO regions\n", __func__);
 870                 goto pci_detect_err;
 871         }
 872         ndev->lmmio0 = ioremap(pci_resource_start(pci_dev, 0),
 873                 pci_resource_len(pci_dev, 0));
 874         if (!ndev->lmmio0) {
 875                 dev_err(&pci_dev->dev,
 876                         "%s(): unable to remap MMIO bar 0\n", __func__);
 877                 goto pci_bar0_error;
 878         }
 879         ndev->lmmio1 = ioremap(pci_resource_start(pci_dev, 1),
 880                 pci_resource_len(pci_dev, 1));
 881         if (!ndev->lmmio1) {
 882                 dev_err(&pci_dev->dev,
 883                         "%s(): unable to remap MMIO bar 1\n", __func__);
 884                 goto pci_bar1_error;
 885         }
 886         ndev->bmmio0 = (u8 __iomem *)ndev->lmmio0;
 887         ndev->bmmio1 = (u8 __iomem *)ndev->lmmio1;
 888         dev_info(&pci_dev->dev,
 889                 "%s(): PCI MMIO at 0x%p (%d); 0x%p (%d); IRQ %d",
 890                 __func__,
 891                 ndev->lmmio0, (u32)pci_resource_len(pci_dev, 0),
 892                 ndev->lmmio1, (u32)pci_resource_len(pci_dev, 1),
 893                 pci_dev->irq);
 894         if (request_irq(pci_dev->irq, netup_unidvb_isr, IRQF_SHARED,
 895                         "netup_unidvb", pci_dev) < 0) {
 896                 dev_err(&pci_dev->dev,
 897                         "%s(): can't get IRQ %d\n", __func__, pci_dev->irq);
 898                 goto irq_request_err;
 899         }
 900         ndev->dma_size = 2 * 188 *
 901                 NETUP_DMA_BLOCKS_COUNT * NETUP_DMA_PACKETS_COUNT;
 902         ndev->dma_virt = dma_alloc_coherent(&pci_dev->dev,
 903                 ndev->dma_size, &ndev->dma_phys, GFP_KERNEL);
 904         if (!ndev->dma_virt) {
 905                 dev_err(&pci_dev->dev, "%s(): unable to allocate DMA buffer\n",
 906                         __func__);
 907                 goto dma_alloc_err;
 908         }
 909         netup_unidvb_dev_enable(ndev);
 910         if (spi_enable && netup_spi_init(ndev)) {
 911                 dev_warn(&pci_dev->dev,
 912                         "netup_unidvb: SPI flash setup failed\n");
 913                 goto spi_setup_err;
 914         }
 915         if (old_firmware) {
 916                 dev_err(&pci_dev->dev,
 917                         "netup_unidvb: card initialization was incomplete\n");
 918                 return 0;
 919         }
 920         if (netup_i2c_register(ndev)) {
 921                 dev_err(&pci_dev->dev, "netup_unidvb: I2C setup failed\n");
 922                 goto i2c_setup_err;
 923         }
 924         /* enable I2C IRQs */
 925         writew(NETUP_UNIDVB_IRQ_I2C0 | NETUP_UNIDVB_IRQ_I2C1,
 926                 ndev->bmmio0 + REG_IMASK_SET);
 927         usleep_range(5000, 10000);
 928         if (netup_unidvb_dvb_setup(ndev)) {
 929                 dev_err(&pci_dev->dev, "netup_unidvb: DVB setup failed\n");
 930                 goto dvb_setup_err;
 931         }
 932         if (netup_unidvb_ci_setup(ndev, pci_dev)) {
 933                 dev_err(&pci_dev->dev, "netup_unidvb: CI setup failed\n");
 934                 goto ci_setup_err;
 935         }
 936         if (netup_unidvb_dma_setup(ndev)) {
 937                 dev_err(&pci_dev->dev, "netup_unidvb: DMA setup failed\n");
 938                 goto dma_setup_err;
 939         }
 940         dev_info(&pci_dev->dev,
 941                 "netup_unidvb: device has been initialized\n");
 942         return 0;
 943 dma_setup_err:
 944         netup_unidvb_ci_unregister(ndev, 0);
 945         netup_unidvb_ci_unregister(ndev, 1);
 946 ci_setup_err:
 947         netup_unidvb_dvb_fini(ndev, 0);
 948         netup_unidvb_dvb_fini(ndev, 1);
 949 dvb_setup_err:
 950         netup_i2c_unregister(ndev);
 951 i2c_setup_err:
 952         if (ndev->spi)
 953                 netup_spi_release(ndev);
 954 spi_setup_err:
 955         dma_free_coherent(&pci_dev->dev, ndev->dma_size,
 956                         ndev->dma_virt, ndev->dma_phys);
 957 dma_alloc_err:
 958         free_irq(pci_dev->irq, pci_dev);
 959 irq_request_err:
 960         iounmap(ndev->lmmio1);
 961 pci_bar1_error:
 962         iounmap(ndev->lmmio0);
 963 pci_bar0_error:
 964         release_mem_region(pci_resource_start(pci_dev, 0),
 965                 pci_resource_len(pci_dev, 0));
 966         release_mem_region(pci_resource_start(pci_dev, 1),
 967                 pci_resource_len(pci_dev, 1));
 968 pci_detect_err:
 969         pci_disable_device(pci_dev);
 970 pci_enable_err:
 971         pci_set_drvdata(pci_dev, NULL);
 972         destroy_workqueue(ndev->wq);
 973 wq_create_err:
 974         kfree(ndev);
 975 dev_alloc_err:
 976         dev_err(&pci_dev->dev,
 977                 "%s(): failed to initialize device\n", __func__);
 978         return -EIO;
 979 }
 980
 981 static void netup_unidvb_finidev(struct pci_dev *pci_dev)
 982 {
 983         struct netup_unidvb_dev *ndev = pci_get_drvdata(pci_dev);
 984
 985         dev_info(&pci_dev->dev, "%s(): trying to stop device\n", __func__);
 986         if (!ndev->old_fw) {
 987                 netup_unidvb_dma_fini(ndev, 0);
 988                 netup_unidvb_dma_fini(ndev, 1);
 989                 netup_unidvb_ci_unregister(ndev, 0);
 990                 netup_unidvb_ci_unregister(ndev, 1);
 991                 netup_unidvb_dvb_fini(ndev, 0);
 992                 netup_unidvb_dvb_fini(ndev, 1);
 993                 netup_i2c_unregister(ndev);
 994         }
 995         if (ndev->spi)
 996                 netup_spi_release(ndev);
 997         writew(0xffff, ndev->bmmio0 + REG_IMASK_CLEAR);
 998         dma_free_coherent(&ndev->pci_dev->dev, ndev->dma_size,
 999                         ndev->dma_virt, ndev->dma_phys);
1000         free_irq(pci_dev->irq, pci_dev);
1001         iounmap(ndev->lmmio0);
1002         iounmap(ndev->lmmio1);
1003         release_mem_region(pci_resource_start(pci_dev, 0),
1004                 pci_resource_len(pci_dev, 0));
1005         release_mem_region(pci_resource_start(pci_dev, 1),
1006                 pci_resource_len(pci_dev, 1));
1007         pci_disable_device(pci_dev);
1008         pci_set_drvdata(pci_dev, NULL);
1009         destroy_workqueue(ndev->wq);
1010         kfree(ndev);
1011         dev_info(&pci_dev->dev,
1012                 "%s(): device has been successfully stopped\n", __func__);
1013 }
1014
1015
1016 static const struct pci_device_id netup_unidvb_pci_tbl[] = {
1017         { PCI_DEVICE(0x1b55, 0x18f6) }, /* hw rev. 1.3 */
1018         { PCI_DEVICE(0x1b55, 0x18f7) }, /* hw rev. 1.4 */
1019         { 0, }
1020 };
1021 MODULE_DEVICE_TABLE(pci, netup_unidvb_pci_tbl);
1022
1023 static struct pci_driver netup_unidvb_pci_driver = {
1024         .name     = "netup_unidvb",
1025         .id_table = netup_unidvb_pci_tbl,
1026         .probe    = netup_unidvb_initdev,
1027         .remove   = netup_unidvb_finidev,
1028         .suspend  = NULL,
1029         .resume   = NULL,
1030 };
1031
1032 module_pci_driver(netup_unidvb_pci_driver);