drivers/media/pci/smipcie/smipcie-main.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * SMI PCIe driver for DVBSky cards.
   4  *
   5  * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
   6  */
   7
   8 #include "smipcie.h"
   9 #include "m88ds3103.h"
  10 #include "ts2020.h"
  11 #include "m88rs6000t.h"
  12 #include "si2168.h"
  13 #include "si2157.h"
  14
  15 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  16
  17 static int smi_hw_init(struct smi_dev *dev)
  18 {
  19         u32 port_mux, port_ctrl, int_stat;
  20
  21         /* set port mux.*/
  22         port_mux = smi_read(MUX_MODE_CTRL);
  23         port_mux &= ~(rbPaMSMask);
  24         port_mux |= rbPaMSDtvNoGpio;
  25         port_mux &= ~(rbPbMSMask);
  26         port_mux |= rbPbMSDtvNoGpio;
  27         port_mux &= ~(0x0f0000);
  28         port_mux |= 0x50000;
  29         smi_write(MUX_MODE_CTRL, port_mux);
  30
  31         /* set DTV register.*/
  32         /* Port A */
  33         port_ctrl = smi_read(VIDEO_CTRL_STATUS_A);
  34         port_ctrl &= ~0x01;
  35         smi_write(VIDEO_CTRL_STATUS_A, port_ctrl);
  36         port_ctrl = smi_read(MPEG2_CTRL_A);
  37         port_ctrl &= ~0x40;
  38         port_ctrl |= 0x80;
  39         smi_write(MPEG2_CTRL_A, port_ctrl);
  40         /* Port B */
  41         port_ctrl = smi_read(VIDEO_CTRL_STATUS_B);
  42         port_ctrl &= ~0x01;
  43         smi_write(VIDEO_CTRL_STATUS_B, port_ctrl);
  44         port_ctrl = smi_read(MPEG2_CTRL_B);
  45         port_ctrl &= ~0x40;
  46         port_ctrl |= 0x80;
  47         smi_write(MPEG2_CTRL_B, port_ctrl);
  48
  49         /* disable and clear interrupt.*/
  50         smi_write(MSI_INT_ENA_CLR, ALL_INT);
  51         int_stat = smi_read(MSI_INT_STATUS);
  52         smi_write(MSI_INT_STATUS_CLR, int_stat);
  53
  54         /* reset demod.*/
  55         smi_clear(PERIPHERAL_CTRL, 0x0303);
  56         msleep(50);
  57         smi_set(PERIPHERAL_CTRL, 0x0101);
  58         return 0;
  59 }
  60
  61 /* i2c bit bus.*/
  62 static void smi_i2c_cfg(struct smi_dev *dev, u32 sw_ctl)
  63 {
  64         u32 dwCtrl;
  65
  66         dwCtrl = smi_read(sw_ctl);
  67         dwCtrl &= ~0x18; /* disable output.*/
  68         dwCtrl |= 0x21; /* reset and software mode.*/
  69         dwCtrl &= ~0xff00;
  70         dwCtrl |= 0x6400;
  71         smi_write(sw_ctl, dwCtrl);
  72         msleep(20);
  73         dwCtrl = smi_read(sw_ctl);
  74         dwCtrl &= ~0x20;
  75         smi_write(sw_ctl, dwCtrl);
  76 }
  77
  78 static void smi_i2c_setsda(struct smi_dev *dev, int state, u32 sw_ctl)
  79 {
  80         if (state) {
  81                 /* set as input.*/
  82                 smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN);
  83         } else {
  84                 smi_clear(sw_ctl, SW_I2C_MSK_DAT_OUT);
  85                 /* set as output.*/
  86                 smi_set(sw_ctl, SW_I2C_MSK_DAT_EN);
  87         }
  88 }
  89
  90 static void smi_i2c_setscl(void *data, int state, u32 sw_ctl)
  91 {
  92         struct smi_dev *dev = data;
  93
  94         if (state) {
  95                 /* set as input.*/
  96                 smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN);
  97         } else {
  98                 smi_clear(sw_ctl, SW_I2C_MSK_CLK_OUT);
  99                 /* set as output.*/
 100                 smi_set(sw_ctl, SW_I2C_MSK_CLK_EN);
 101         }
 102 }
 103
 104 static int smi_i2c_getsda(void *data, u32 sw_ctl)
 105 {
 106         struct smi_dev *dev = data;
 107         /* set as input.*/
 108         smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN);
 109         udelay(1);
 110         return (smi_read(sw_ctl) & SW_I2C_MSK_DAT_IN) ? 1 : 0;
 111 }
 112
 113 static int smi_i2c_getscl(void *data, u32 sw_ctl)
 114 {
 115         struct smi_dev *dev = data;
 116         /* set as input.*/
 117         smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN);
 118         udelay(1);
 119         return (smi_read(sw_ctl) & SW_I2C_MSK_CLK_IN) ? 1 : 0;
 120 }
 121 /* i2c 0.*/
 122 static void smi_i2c0_setsda(void *data, int state)
 123 {
 124         struct smi_dev *dev = data;
 125
 126         smi_i2c_setsda(dev, state, I2C_A_SW_CTL);
 127 }
 128
 129 static void smi_i2c0_setscl(void *data, int state)
 130 {
 131         struct smi_dev *dev = data;
 132
 133         smi_i2c_setscl(dev, state, I2C_A_SW_CTL);
 134 }
 135
 136 static int smi_i2c0_getsda(void *data)
 137 {
 138         struct smi_dev *dev = data;
 139
 140         return  smi_i2c_getsda(dev, I2C_A_SW_CTL);
 141 }
 142
 143 static int smi_i2c0_getscl(void *data)
 144 {
 145         struct smi_dev *dev = data;
 146
 147         return  smi_i2c_getscl(dev, I2C_A_SW_CTL);
 148 }
 149 /* i2c 1.*/
 150 static void smi_i2c1_setsda(void *data, int state)
 151 {
 152         struct smi_dev *dev = data;
 153
 154         smi_i2c_setsda(dev, state, I2C_B_SW_CTL);
 155 }
 156
 157 static void smi_i2c1_setscl(void *data, int state)
 158 {
 159         struct smi_dev *dev = data;
 160
 161         smi_i2c_setscl(dev, state, I2C_B_SW_CTL);
 162 }
 163
 164 static int smi_i2c1_getsda(void *data)
 165 {
 166         struct smi_dev *dev = data;
 167
 168         return  smi_i2c_getsda(dev, I2C_B_SW_CTL);
 169 }
 170
 171 static int smi_i2c1_getscl(void *data)
 172 {
 173         struct smi_dev *dev = data;
 174
 175         return  smi_i2c_getscl(dev, I2C_B_SW_CTL);
 176 }
 177
 178 static int smi_i2c_init(struct smi_dev *dev)
 179 {
 180         int ret;
 181
 182         /* i2c bus 0 */
 183         smi_i2c_cfg(dev, I2C_A_SW_CTL);
 184         i2c_set_adapdata(&dev->i2c_bus[0], dev);
 185         strscpy(dev->i2c_bus[0].name, "SMI-I2C0", sizeof(dev->i2c_bus[0].name));
 186         dev->i2c_bus[0].owner = THIS_MODULE;
 187         dev->i2c_bus[0].dev.parent = &dev->pci_dev->dev;
 188         dev->i2c_bus[0].algo_data = &dev->i2c_bit[0];
 189         dev->i2c_bit[0].data = dev;
 190         dev->i2c_bit[0].setsda = smi_i2c0_setsda;
 191         dev->i2c_bit[0].setscl = smi_i2c0_setscl;
 192         dev->i2c_bit[0].getsda = smi_i2c0_getsda;
 193         dev->i2c_bit[0].getscl = smi_i2c0_getscl;
 194         dev->i2c_bit[0].udelay = 12;
 195         dev->i2c_bit[0].timeout = 10;
 196         /* Raise SCL and SDA */
 197         smi_i2c0_setsda(dev, 1);
 198         smi_i2c0_setscl(dev, 1);
 199
 200         ret = i2c_bit_add_bus(&dev->i2c_bus[0]);
 201         if (ret < 0)
 202                 return ret;
 203
 204         /* i2c bus 1 */
 205         smi_i2c_cfg(dev, I2C_B_SW_CTL);
 206         i2c_set_adapdata(&dev->i2c_bus[1], dev);
 207         strscpy(dev->i2c_bus[1].name, "SMI-I2C1", sizeof(dev->i2c_bus[1].name));
 208         dev->i2c_bus[1].owner = THIS_MODULE;
 209         dev->i2c_bus[1].dev.parent = &dev->pci_dev->dev;
 210         dev->i2c_bus[1].algo_data = &dev->i2c_bit[1];
 211         dev->i2c_bit[1].data = dev;
 212         dev->i2c_bit[1].setsda = smi_i2c1_setsda;
 213         dev->i2c_bit[1].setscl = smi_i2c1_setscl;
 214         dev->i2c_bit[1].getsda = smi_i2c1_getsda;
 215         dev->i2c_bit[1].getscl = smi_i2c1_getscl;
 216         dev->i2c_bit[1].udelay = 12;
 217         dev->i2c_bit[1].timeout = 10;
 218         /* Raise SCL and SDA */
 219         smi_i2c1_setsda(dev, 1);
 220         smi_i2c1_setscl(dev, 1);
 221
 222         ret = i2c_bit_add_bus(&dev->i2c_bus[1]);
 223         if (ret < 0)
 224                 i2c_del_adapter(&dev->i2c_bus[0]);
 225
 226         return ret;
 227 }
 228
 229 static void smi_i2c_exit(struct smi_dev *dev)
 230 {
 231         i2c_del_adapter(&dev->i2c_bus[0]);
 232         i2c_del_adapter(&dev->i2c_bus[1]);
 233 }
 234
 235 static int smi_read_eeprom(struct i2c_adapter *i2c, u16 reg, u8 *data, u16 size)
 236 {
 237         int ret;
 238         u8 b0[2] = { (reg >> 8) & 0xff, reg & 0xff };
 239
 240         struct i2c_msg msg[] = {
 241                 { .addr = 0x50, .flags = 0,
 242                         .buf = b0, .len = 2 },
 243                 { .addr = 0x50, .flags = I2C_M_RD,
 244                         .buf = data, .len = size }
 245         };
 246
 247         ret = i2c_transfer(i2c, msg, 2);
 248
 249         if (ret != 2) {
 250                 dev_err(&i2c->dev, "%s: reg=0x%x (error=%d)\n",
 251                         __func__, reg, ret);
 252                 return ret;
 253         }
 254         return ret;
 255 }
 256
 257 /* ts port interrupt operations */
 258 static void smi_port_disableInterrupt(struct smi_port *port)
 259 {
 260         struct smi_dev *dev = port->dev;
 261
 262         smi_write(MSI_INT_ENA_CLR,
 263                 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
 264 }
 265
 266 static void smi_port_enableInterrupt(struct smi_port *port)
 267 {
 268         struct smi_dev *dev = port->dev;
 269
 270         smi_write(MSI_INT_ENA_SET,
 271                 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
 272 }
 273
 274 static void smi_port_clearInterrupt(struct smi_port *port)
 275 {
 276         struct smi_dev *dev = port->dev;
 277
 278         smi_write(MSI_INT_STATUS_CLR,
 279                 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1));
 280 }
 281
 282 /* tasklet handler: DMA data to dmx.*/
 283 static void smi_dma_xfer(unsigned long data)
 284 {
 285         struct smi_port *port = (struct smi_port *) data;
 286         struct smi_dev *dev = port->dev;
 287         u32 intr_status, finishedData, dmaManagement;
 288         u8 dmaChan0State, dmaChan1State;
 289
 290         intr_status = port->_int_status;
 291         dmaManagement = smi_read(port->DMA_MANAGEMENT);
 292         dmaChan0State = (u8)((dmaManagement & 0x00000030) >> 4);
 293         dmaChan1State = (u8)((dmaManagement & 0x00300000) >> 20);
 294
 295         /* CH-0 DMA interrupt.*/
 296         if ((intr_status & port->_dmaInterruptCH0) && (dmaChan0State == 0x01)) {
 297                 dev_dbg(&dev->pci_dev->dev,
 298                         "Port[%d]-DMA CH0 engine complete successful !\n",
 299                         port->idx);
 300                 finishedData = smi_read(port->DMA_CHAN0_TRANS_STATE);
 301                 finishedData &= 0x003FFFFF;
 302                 /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0]
 303                  * indicate dma total transfer length and
 304                  * zero of [21:0] indicate dma total transfer length
 305                  * equal to 0x400000 (4MB)*/
 306                 if (finishedData == 0)
 307                         finishedData = 0x00400000;
 308                 if (finishedData != SMI_TS_DMA_BUF_SIZE) {
 309                         dev_dbg(&dev->pci_dev->dev,
 310                                 "DMA CH0 engine complete length mismatched, finish data=%d !\n",
 311                                 finishedData);
 312                 }
 313                 dvb_dmx_swfilter_packets(&port->demux,
 314                         port->cpu_addr[0], (finishedData / 188));
 315                 /*dvb_dmx_swfilter(&port->demux,
 316                         port->cpu_addr[0], finishedData);*/
 317         }
 318         /* CH-1 DMA interrupt.*/
 319         if ((intr_status & port->_dmaInterruptCH1) && (dmaChan1State == 0x01)) {
 320                 dev_dbg(&dev->pci_dev->dev,
 321                         "Port[%d]-DMA CH1 engine complete successful !\n",
 322                         port->idx);
 323                 finishedData = smi_read(port->DMA_CHAN1_TRANS_STATE);
 324                 finishedData &= 0x003FFFFF;
 325                 /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0]
 326                  * indicate dma total transfer length and
 327                  * zero of [21:0] indicate dma total transfer length
 328                  * equal to 0x400000 (4MB)*/
 329                 if (finishedData == 0)
 330                         finishedData = 0x00400000;
 331                 if (finishedData != SMI_TS_DMA_BUF_SIZE) {
 332                         dev_dbg(&dev->pci_dev->dev,
 333                                 "DMA CH1 engine complete length mismatched, finish data=%d !\n",
 334                                 finishedData);
 335                 }
 336                 dvb_dmx_swfilter_packets(&port->demux,
 337                         port->cpu_addr[1], (finishedData / 188));
 338                 /*dvb_dmx_swfilter(&port->demux,
 339                         port->cpu_addr[1], finishedData);*/
 340         }
 341         /* restart DMA.*/
 342         if (intr_status & port->_dmaInterruptCH0)
 343                 dmaManagement |= 0x00000002;
 344         if (intr_status & port->_dmaInterruptCH1)
 345                 dmaManagement |= 0x00020000;
 346         smi_write(port->DMA_MANAGEMENT, dmaManagement);
 347         /* Re-enable interrupts */
 348         smi_port_enableInterrupt(port);
 349 }
 350
 351 static void smi_port_dma_free(struct smi_port *port)
 352 {
 353         if (port->cpu_addr[0]) {
 354                 pci_free_consistent(port->dev->pci_dev, SMI_TS_DMA_BUF_SIZE,
 355                                     port->cpu_addr[0], port->dma_addr[0]);
 356                 port->cpu_addr[0] = NULL;
 357         }
 358         if (port->cpu_addr[1]) {
 359                 pci_free_consistent(port->dev->pci_dev, SMI_TS_DMA_BUF_SIZE,
 360                                     port->cpu_addr[1], port->dma_addr[1]);
 361                 port->cpu_addr[1] = NULL;
 362         }
 363 }
 364
 365 static int smi_port_init(struct smi_port *port, int dmaChanUsed)
 366 {
 367         dev_dbg(&port->dev->pci_dev->dev,
 368                 "%s, port %d, dmaused %d\n", __func__, port->idx, dmaChanUsed);
 369         port->enable = 0;
 370         if (port->idx == 0) {
 371                 /* Port A */
 372                 port->_dmaInterruptCH0 = dmaChanUsed & 0x01;
 373                 port->_dmaInterruptCH1 = dmaChanUsed & 0x02;
 374
 375                 port->DMA_CHAN0_ADDR_LOW        = DMA_PORTA_CHAN0_ADDR_LOW;
 376                 port->DMA_CHAN0_ADDR_HI         = DMA_PORTA_CHAN0_ADDR_HI;
 377                 port->DMA_CHAN0_TRANS_STATE     = DMA_PORTA_CHAN0_TRANS_STATE;
 378                 port->DMA_CHAN0_CONTROL         = DMA_PORTA_CHAN0_CONTROL;
 379                 port->DMA_CHAN1_ADDR_LOW        = DMA_PORTA_CHAN1_ADDR_LOW;
 380                 port->DMA_CHAN1_ADDR_HI         = DMA_PORTA_CHAN1_ADDR_HI;
 381                 port->DMA_CHAN1_TRANS_STATE     = DMA_PORTA_CHAN1_TRANS_STATE;
 382                 port->DMA_CHAN1_CONTROL         = DMA_PORTA_CHAN1_CONTROL;
 383                 port->DMA_MANAGEMENT            = DMA_PORTA_MANAGEMENT;
 384         } else {
 385                 /* Port B */
 386                 port->_dmaInterruptCH0 = (dmaChanUsed << 2) & 0x04;
 387                 port->_dmaInterruptCH1 = (dmaChanUsed << 2) & 0x08;
 388
 389                 port->DMA_CHAN0_ADDR_LOW        = DMA_PORTB_CHAN0_ADDR_LOW;
 390                 port->DMA_CHAN0_ADDR_HI         = DMA_PORTB_CHAN0_ADDR_HI;
 391                 port->DMA_CHAN0_TRANS_STATE     = DMA_PORTB_CHAN0_TRANS_STATE;
 392                 port->DMA_CHAN0_CONTROL         = DMA_PORTB_CHAN0_CONTROL;
 393                 port->DMA_CHAN1_ADDR_LOW        = DMA_PORTB_CHAN1_ADDR_LOW;
 394                 port->DMA_CHAN1_ADDR_HI         = DMA_PORTB_CHAN1_ADDR_HI;
 395                 port->DMA_CHAN1_TRANS_STATE     = DMA_PORTB_CHAN1_TRANS_STATE;
 396                 port->DMA_CHAN1_CONTROL         = DMA_PORTB_CHAN1_CONTROL;
 397                 port->DMA_MANAGEMENT            = DMA_PORTB_MANAGEMENT;
 398         }
 399
 400         if (port->_dmaInterruptCH0) {
 401                 port->cpu_addr[0] = pci_alloc_consistent(port->dev->pci_dev,
 402                                         SMI_TS_DMA_BUF_SIZE,
 403                                         &port->dma_addr[0]);
 404                 if (!port->cpu_addr[0]) {
 405                         dev_err(&port->dev->pci_dev->dev,
 406                                 "Port[%d] DMA CH0 memory allocation failed!\n",
 407                                 port->idx);
 408                         goto err;
 409                 }
 410         }
 411
 412         if (port->_dmaInterruptCH1) {
 413                 port->cpu_addr[1] = pci_alloc_consistent(port->dev->pci_dev,
 414                                         SMI_TS_DMA_BUF_SIZE,
 415                                         &port->dma_addr[1]);
 416                 if (!port->cpu_addr[1]) {
 417                         dev_err(&port->dev->pci_dev->dev,
 418                                 "Port[%d] DMA CH1 memory allocation failed!\n",
 419                                 port->idx);
 420                         goto err;
 421                 }
 422         }
 423
 424         smi_port_disableInterrupt(port);
 425         tasklet_init(&port->tasklet, smi_dma_xfer, (unsigned long)port);
 426         tasklet_disable(&port->tasklet);
 427         port->enable = 1;
 428         return 0;
 429 err:
 430         smi_port_dma_free(port);
 431         return -ENOMEM;
 432 }
 433
 434 static void smi_port_exit(struct smi_port *port)
 435 {
 436         smi_port_disableInterrupt(port);
 437         tasklet_kill(&port->tasklet);
 438         smi_port_dma_free(port);
 439         port->enable = 0;
 440 }
 441
 442 static int smi_port_irq(struct smi_port *port, u32 int_status)
 443 {
 444         u32 port_req_irq = port->_dmaInterruptCH0 | port->_dmaInterruptCH1;
 445         int handled = 0;
 446
 447         if (int_status & port_req_irq) {
 448                 smi_port_disableInterrupt(port);
 449                 port->_int_status = int_status;
 450                 smi_port_clearInterrupt(port);
 451                 tasklet_schedule(&port->tasklet);
 452                 handled = 1;
 453         }
 454         return handled;
 455 }
 456
 457 static irqreturn_t smi_irq_handler(int irq, void *dev_id)
 458 {
 459         struct smi_dev *dev = dev_id;
 460         struct smi_port *port0 = &dev->ts_port[0];
 461         struct smi_port *port1 = &dev->ts_port[1];
 462         struct smi_rc *ir = &dev->ir;
 463         int handled = 0;
 464
 465         u32 intr_status = smi_read(MSI_INT_STATUS);
 466
 467         /* ts0 interrupt.*/
 468         if (dev->info->ts_0)
 469                 handled += smi_port_irq(port0, intr_status);
 470
 471         /* ts1 interrupt.*/
 472         if (dev->info->ts_1)
 473                 handled += smi_port_irq(port1, intr_status);
 474
 475         /* ir interrupt.*/
 476         handled += smi_ir_irq(ir, intr_status);
 477
 478         return IRQ_RETVAL(handled);
 479 }
 480
 481 static struct i2c_client *smi_add_i2c_client(struct i2c_adapter *adapter,
 482                         struct i2c_board_info *info)
 483 {
 484         struct i2c_client *client;
 485
 486         request_module(info->type);
 487         client = i2c_new_device(adapter, info);
 488         if (client == NULL || client->dev.driver == NULL)
 489                 goto err_add_i2c_client;
 490
 491         if (!try_module_get(client->dev.driver->owner)) {
 492                 i2c_unregister_device(client);
 493                 goto err_add_i2c_client;
 494         }
 495         return client;
 496
 497 err_add_i2c_client:
 498         client = NULL;
 499         return client;
 500 }
 501
 502 static void smi_del_i2c_client(struct i2c_client *client)
 503 {
 504         module_put(client->dev.driver->owner);
 505         i2c_unregister_device(client);
 506 }
 507
 508 static const struct m88ds3103_config smi_dvbsky_m88ds3103_cfg = {
 509         .i2c_addr = 0x68,
 510         .clock = 27000000,
 511         .i2c_wr_max = 33,
 512         .clock_out = 0,
 513         .ts_mode = M88DS3103_TS_PARALLEL,
 514         .ts_clk = 16000,
 515         .ts_clk_pol = 1,
 516         .agc = 0x99,
 517         .lnb_hv_pol = 0,
 518         .lnb_en_pol = 1,
 519 };
 520
 521 static int smi_dvbsky_m88ds3103_fe_attach(struct smi_port *port)
 522 {
 523         int ret = 0;
 524         struct smi_dev *dev = port->dev;
 525         struct i2c_adapter *i2c;
 526         /* tuner I2C module */
 527         struct i2c_adapter *tuner_i2c_adapter;
 528         struct i2c_client *tuner_client;
 529         struct i2c_board_info tuner_info;
 530         struct ts2020_config ts2020_config = {};
 531         memset(&tuner_info, 0, sizeof(struct i2c_board_info));
 532         i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
 533
 534         /* attach demod */
 535         port->fe = dvb_attach(m88ds3103_attach,
 536                         &smi_dvbsky_m88ds3103_cfg, i2c, &tuner_i2c_adapter);
 537         if (!port->fe) {
 538                 ret = -ENODEV;
 539                 return ret;
 540         }
 541         /* attach tuner */
 542         ts2020_config.fe = port->fe;
 543         strscpy(tuner_info.type, "ts2020", I2C_NAME_SIZE);
 544         tuner_info.addr = 0x60;
 545         tuner_info.platform_data = &ts2020_config;
 546         tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
 547         if (!tuner_client) {
 548                 ret = -ENODEV;
 549                 goto err_tuner_i2c_device;
 550         }
 551
 552         /* delegate signal strength measurement to tuner */
 553         port->fe->ops.read_signal_strength =
 554                         port->fe->ops.tuner_ops.get_rf_strength;
 555
 556         port->i2c_client_tuner = tuner_client;
 557         return ret;
 558
 559 err_tuner_i2c_device:
 560         dvb_frontend_detach(port->fe);
 561         return ret;
 562 }
 563
 564 static const struct m88ds3103_config smi_dvbsky_m88rs6000_cfg = {
 565         .i2c_addr = 0x69,
 566         .clock = 27000000,
 567         .i2c_wr_max = 33,
 568         .ts_mode = M88DS3103_TS_PARALLEL,
 569         .ts_clk = 16000,
 570         .ts_clk_pol = 1,
 571         .agc = 0x99,
 572         .lnb_hv_pol = 0,
 573         .lnb_en_pol = 1,
 574 };
 575
 576 static int smi_dvbsky_m88rs6000_fe_attach(struct smi_port *port)
 577 {
 578         int ret = 0;
 579         struct smi_dev *dev = port->dev;
 580         struct i2c_adapter *i2c;
 581         /* tuner I2C module */
 582         struct i2c_adapter *tuner_i2c_adapter;
 583         struct i2c_client *tuner_client;
 584         struct i2c_board_info tuner_info;
 585         struct m88rs6000t_config m88rs6000t_config;
 586
 587         memset(&tuner_info, 0, sizeof(struct i2c_board_info));
 588         i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
 589
 590         /* attach demod */
 591         port->fe = dvb_attach(m88ds3103_attach,
 592                         &smi_dvbsky_m88rs6000_cfg, i2c, &tuner_i2c_adapter);
 593         if (!port->fe) {
 594                 ret = -ENODEV;
 595                 return ret;
 596         }
 597         /* attach tuner */
 598         m88rs6000t_config.fe = port->fe;
 599         strscpy(tuner_info.type, "m88rs6000t", I2C_NAME_SIZE);
 600         tuner_info.addr = 0x21;
 601         tuner_info.platform_data = &m88rs6000t_config;
 602         tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
 603         if (!tuner_client) {
 604                 ret = -ENODEV;
 605                 goto err_tuner_i2c_device;
 606         }
 607
 608         /* delegate signal strength measurement to tuner */
 609         port->fe->ops.read_signal_strength =
 610                         port->fe->ops.tuner_ops.get_rf_strength;
 611
 612         port->i2c_client_tuner = tuner_client;
 613         return ret;
 614
 615 err_tuner_i2c_device:
 616         dvb_frontend_detach(port->fe);
 617         return ret;
 618 }
 619
 620 static int smi_dvbsky_sit2_fe_attach(struct smi_port *port)
 621 {
 622         int ret = 0;
 623         struct smi_dev *dev = port->dev;
 624         struct i2c_adapter *i2c;
 625         struct i2c_adapter *tuner_i2c_adapter;
 626         struct i2c_client *client_tuner, *client_demod;
 627         struct i2c_board_info client_info;
 628         struct si2168_config si2168_config;
 629         struct si2157_config si2157_config;
 630
 631         /* select i2c bus */
 632         i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1];
 633
 634         /* attach demod */
 635         memset(&si2168_config, 0, sizeof(si2168_config));
 636         si2168_config.i2c_adapter = &tuner_i2c_adapter;
 637         si2168_config.fe = &port->fe;
 638         si2168_config.ts_mode = SI2168_TS_PARALLEL;
 639
 640         memset(&client_info, 0, sizeof(struct i2c_board_info));
 641         strscpy(client_info.type, "si2168", I2C_NAME_SIZE);
 642         client_info.addr = 0x64;
 643         client_info.platform_data = &si2168_config;
 644
 645         client_demod = smi_add_i2c_client(i2c, &client_info);
 646         if (!client_demod) {
 647                 ret = -ENODEV;
 648                 return ret;
 649         }
 650         port->i2c_client_demod = client_demod;
 651
 652         /* attach tuner */
 653         memset(&si2157_config, 0, sizeof(si2157_config));
 654         si2157_config.fe = port->fe;
 655         si2157_config.if_port = 1;
 656
 657         memset(&client_info, 0, sizeof(struct i2c_board_info));
 658         strscpy(client_info.type, "si2157", I2C_NAME_SIZE);
 659         client_info.addr = 0x60;
 660         client_info.platform_data = &si2157_config;
 661
 662         client_tuner = smi_add_i2c_client(tuner_i2c_adapter, &client_info);
 663         if (!client_tuner) {
 664                 smi_del_i2c_client(port->i2c_client_demod);
 665                 port->i2c_client_demod = NULL;
 666                 ret = -ENODEV;
 667                 return ret;
 668         }
 669         port->i2c_client_tuner = client_tuner;
 670         return ret;
 671 }
 672
 673 static int smi_fe_init(struct smi_port *port)
 674 {
 675         int ret = 0;
 676         struct smi_dev *dev = port->dev;
 677         struct dvb_adapter *adap = &port->dvb_adapter;
 678         u8 mac_ee[16];
 679
 680         dev_dbg(&port->dev->pci_dev->dev,
 681                 "%s: port %d, fe_type = %d\n",
 682                 __func__, port->idx, port->fe_type);
 683         switch (port->fe_type) {
 684         case DVBSKY_FE_M88DS3103:
 685                 ret = smi_dvbsky_m88ds3103_fe_attach(port);
 686                 break;
 687         case DVBSKY_FE_M88RS6000:
 688                 ret = smi_dvbsky_m88rs6000_fe_attach(port);
 689                 break;
 690         case DVBSKY_FE_SIT2:
 691                 ret = smi_dvbsky_sit2_fe_attach(port);
 692                 break;
 693         }
 694         if (ret < 0)
 695                 return ret;
 696
 697         /* register dvb frontend */
 698         ret = dvb_register_frontend(adap, port->fe);
 699         if (ret < 0) {
 700                 if (port->i2c_client_tuner)
 701                         smi_del_i2c_client(port->i2c_client_tuner);
 702                 if (port->i2c_client_demod)
 703                         smi_del_i2c_client(port->i2c_client_demod);
 704                 dvb_frontend_detach(port->fe);
 705                 return ret;
 706         }
 707         /* init MAC.*/
 708         ret = smi_read_eeprom(&dev->i2c_bus[0], 0xc0, mac_ee, 16);
 709         dev_info(&port->dev->pci_dev->dev,
 710                 "%s port %d MAC: %pM\n", dev->info->name,
 711                 port->idx, mac_ee + (port->idx)*8);
 712         memcpy(adap->proposed_mac, mac_ee + (port->idx)*8, 6);
 713         return ret;
 714 }
 715
 716 static void smi_fe_exit(struct smi_port *port)
 717 {
 718         dvb_unregister_frontend(port->fe);
 719         /* remove I2C demod and tuner */
 720         if (port->i2c_client_tuner)
 721                 smi_del_i2c_client(port->i2c_client_tuner);
 722         if (port->i2c_client_demod)
 723                 smi_del_i2c_client(port->i2c_client_demod);
 724         dvb_frontend_detach(port->fe);
 725 }
 726
 727 static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
 728                             int (*start_feed)(struct dvb_demux_feed *),
 729                             int (*stop_feed)(struct dvb_demux_feed *),
 730                             void *priv)
 731 {
 732         dvbdemux->priv = priv;
 733
 734         dvbdemux->filternum = 256;
 735         dvbdemux->feednum = 256;
 736         dvbdemux->start_feed = start_feed;
 737         dvbdemux->stop_feed = stop_feed;
 738         dvbdemux->write_to_decoder = NULL;
 739         dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
 740                                       DMX_SECTION_FILTERING |
 741                                       DMX_MEMORY_BASED_FILTERING);
 742         return dvb_dmx_init(dvbdemux);
 743 }
 744
 745 static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
 746                                struct dvb_demux *dvbdemux,
 747                                struct dmx_frontend *hw_frontend,
 748                                struct dmx_frontend *mem_frontend,
 749                                struct dvb_adapter *dvb_adapter)
 750 {
 751         int ret;
 752
 753         dmxdev->filternum = 256;
 754         dmxdev->demux = &dvbdemux->dmx;
 755         dmxdev->capabilities = 0;
 756         ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
 757         if (ret < 0)
 758                 return ret;
 759
 760         hw_frontend->source = DMX_FRONTEND_0;
 761         dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
 762         mem_frontend->source = DMX_MEMORY_FE;
 763         dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
 764         return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
 765 }
 766
 767 static u32 smi_config_DMA(struct smi_port *port)
 768 {
 769         struct smi_dev *dev = port->dev;
 770         u32 totalLength = 0, dmaMemPtrLow, dmaMemPtrHi, dmaCtlReg;
 771         u8 chanLatencyTimer = 0, dmaChanEnable = 1, dmaTransStart = 1;
 772         u32 dmaManagement = 0, tlpTransUnit = DMA_TRANS_UNIT_188;
 773         u8 tlpTc = 0, tlpTd = 1, tlpEp = 0, tlpAttr = 0;
 774         u64 mem;
 775
 776         dmaManagement = smi_read(port->DMA_MANAGEMENT);
 777         /* Setup Channel-0 */
 778         if (port->_dmaInterruptCH0) {
 779                 totalLength = SMI_TS_DMA_BUF_SIZE;
 780                 mem = port->dma_addr[0];
 781                 dmaMemPtrLow = mem & 0xffffffff;
 782                 dmaMemPtrHi = mem >> 32;
 783                 dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25)
 784                         | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30);
 785                 dmaManagement |= dmaChanEnable | (dmaTransStart << 1)
 786                         | (chanLatencyTimer << 8);
 787                 /* write DMA register, start DMA engine */
 788                 smi_write(port->DMA_CHAN0_ADDR_LOW, dmaMemPtrLow);
 789                 smi_write(port->DMA_CHAN0_ADDR_HI, dmaMemPtrHi);
 790                 smi_write(port->DMA_CHAN0_CONTROL, dmaCtlReg);
 791         }
 792         /* Setup Channel-1 */
 793         if (port->_dmaInterruptCH1) {
 794                 totalLength = SMI_TS_DMA_BUF_SIZE;
 795                 mem = port->dma_addr[1];
 796                 dmaMemPtrLow = mem & 0xffffffff;
 797                 dmaMemPtrHi = mem >> 32;
 798                 dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25)
 799                         | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30);
 800                 dmaManagement |= (dmaChanEnable << 16) | (dmaTransStart << 17)
 801                         | (chanLatencyTimer << 24);
 802                 /* write DMA register, start DMA engine */
 803                 smi_write(port->DMA_CHAN1_ADDR_LOW, dmaMemPtrLow);
 804                 smi_write(port->DMA_CHAN1_ADDR_HI, dmaMemPtrHi);
 805                 smi_write(port->DMA_CHAN1_CONTROL, dmaCtlReg);
 806         }
 807         return dmaManagement;
 808 }
 809
 810 static int smi_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 811 {
 812         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 813         struct smi_port *port = dvbdmx->priv;
 814         struct smi_dev *dev = port->dev;
 815         u32 dmaManagement;
 816
 817         if (port->users++ == 0) {
 818                 dmaManagement = smi_config_DMA(port);
 819                 smi_port_clearInterrupt(port);
 820                 smi_port_enableInterrupt(port);
 821                 smi_write(port->DMA_MANAGEMENT, dmaManagement);
 822                 tasklet_enable(&port->tasklet);
 823         }
 824         return port->users;
 825 }
 826
 827 static int smi_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 828 {
 829         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 830         struct smi_port *port = dvbdmx->priv;
 831         struct smi_dev *dev = port->dev;
 832
 833         if (--port->users)
 834                 return port->users;
 835
 836         tasklet_disable(&port->tasklet);
 837         smi_port_disableInterrupt(port);
 838         smi_clear(port->DMA_MANAGEMENT, 0x30003);
 839         return 0;
 840 }
 841
 842 static int smi_dvb_init(struct smi_port *port)
 843 {
 844         int ret;
 845         struct dvb_adapter *adap = &port->dvb_adapter;
 846         struct dvb_demux *dvbdemux = &port->demux;
 847
 848         dev_dbg(&port->dev->pci_dev->dev,
 849                 "%s, port %d\n", __func__, port->idx);
 850
 851         ret = dvb_register_adapter(adap, "SMI_DVB", THIS_MODULE,
 852                                    &port->dev->pci_dev->dev,
 853                                    adapter_nr);
 854         if (ret < 0) {
 855                 dev_err(&port->dev->pci_dev->dev, "Fail to register DVB adapter.\n");
 856                 return ret;
 857         }
 858         ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
 859                                       smi_start_feed,
 860                                       smi_stop_feed, port);
 861         if (ret < 0)
 862                 goto err_del_dvb_register_adapter;
 863
 864         ret = my_dvb_dmxdev_ts_card_init(&port->dmxdev, &port->demux,
 865                                          &port->hw_frontend,
 866                                          &port->mem_frontend, adap);
 867         if (ret < 0)
 868                 goto err_del_dvb_dmx;
 869
 870         ret = dvb_net_init(adap, &port->dvbnet, port->dmxdev.demux);
 871         if (ret < 0)
 872                 goto err_del_dvb_dmxdev;
 873         return 0;
 874 err_del_dvb_dmxdev:
 875         dvbdemux->dmx.close(&dvbdemux->dmx);
 876         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend);
 877         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend);
 878         dvb_dmxdev_release(&port->dmxdev);
 879 err_del_dvb_dmx:
 880         dvb_dmx_release(&port->demux);
 881 err_del_dvb_register_adapter:
 882         dvb_unregister_adapter(&port->dvb_adapter);
 883         return ret;
 884 }
 885
 886 static void smi_dvb_exit(struct smi_port *port)
 887 {
 888         struct dvb_demux *dvbdemux = &port->demux;
 889
 890         dvb_net_release(&port->dvbnet);
 891
 892         dvbdemux->dmx.close(&dvbdemux->dmx);
 893         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend);
 894         dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend);
 895         dvb_dmxdev_release(&port->dmxdev);
 896         dvb_dmx_release(&port->demux);
 897
 898         dvb_unregister_adapter(&port->dvb_adapter);
 899 }
 900
 901 static int smi_port_attach(struct smi_dev *dev,
 902                 struct smi_port *port, int index)
 903 {
 904         int ret, dmachs;
 905
 906         port->dev = dev;
 907         port->idx = index;
 908         port->fe_type = (index == 0) ? dev->info->fe_0 : dev->info->fe_1;
 909         dmachs = (index == 0) ? dev->info->ts_0 : dev->info->ts_1;
 910         /* port init.*/
 911         ret = smi_port_init(port, dmachs);
 912         if (ret < 0)
 913                 return ret;
 914         /* dvb init.*/
 915         ret = smi_dvb_init(port);
 916         if (ret < 0)
 917                 goto err_del_port_init;
 918         /* fe init.*/
 919         ret = smi_fe_init(port);
 920         if (ret < 0)
 921                 goto err_del_dvb_init;
 922         return 0;
 923 err_del_dvb_init:
 924         smi_dvb_exit(port);
 925 err_del_port_init:
 926         smi_port_exit(port);
 927         return ret;
 928 }
 929
 930 static void smi_port_detach(struct smi_port *port)
 931 {
 932         smi_fe_exit(port);
 933         smi_dvb_exit(port);
 934         smi_port_exit(port);
 935 }
 936
 937 static int smi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 938 {
 939         struct smi_dev *dev;
 940         int ret = -ENOMEM;
 941
 942         if (pci_enable_device(pdev) < 0)
 943                 return -ENODEV;
 944
 945         dev = kzalloc(sizeof(struct smi_dev), GFP_KERNEL);
 946         if (!dev) {
 947                 ret = -ENOMEM;
 948                 goto err_pci_disable_device;
 949         }
 950
 951         dev->pci_dev = pdev;
 952         pci_set_drvdata(pdev, dev);
 953         dev->info = (struct smi_cfg_info *) id->driver_data;
 954         dev_info(&dev->pci_dev->dev,
 955                 "card detected: %s\n", dev->info->name);
 956
 957         dev->nr = dev->info->type;
 958         dev->lmmio = ioremap(pci_resource_start(dev->pci_dev, 0),
 959                             pci_resource_len(dev->pci_dev, 0));
 960         if (!dev->lmmio) {
 961                 ret = -ENOMEM;
 962                 goto err_kfree;
 963         }
 964
 965         /* should we set to 32bit DMA? */
 966         ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 967         if (ret < 0)
 968                 goto err_pci_iounmap;
 969
 970         pci_set_master(pdev);
 971
 972         ret = smi_hw_init(dev);
 973         if (ret < 0)
 974                 goto err_pci_iounmap;
 975
 976         ret = smi_i2c_init(dev);
 977         if (ret < 0)
 978                 goto err_pci_iounmap;
 979
 980         if (dev->info->ts_0) {
 981                 ret = smi_port_attach(dev, &dev->ts_port[0], 0);
 982                 if (ret < 0)
 983                         goto err_del_i2c_adaptor;
 984         }
 985
 986         if (dev->info->ts_1) {
 987                 ret = smi_port_attach(dev, &dev->ts_port[1], 1);
 988                 if (ret < 0)
 989                         goto err_del_port0_attach;
 990         }
 991
 992         ret = smi_ir_init(dev);
 993         if (ret < 0)
 994                 goto err_del_port1_attach;
 995
 996 #ifdef CONFIG_PCI_MSI /* to do msi interrupt.???*/
 997         if (pci_msi_enabled())
 998                 ret = pci_enable_msi(dev->pci_dev);
 999         if (ret)
1000                 dev_info(&dev->pci_dev->dev, "MSI not available.\n");
1001 #endif
1002
1003         ret = request_irq(dev->pci_dev->irq, smi_irq_handler,
1004                            IRQF_SHARED, "SMI_PCIE", dev);
1005         if (ret < 0)
1006                 goto err_del_ir;
1007
1008         smi_ir_start(&dev->ir);
1009         return 0;
1010
1011 err_del_ir:
1012         smi_ir_exit(dev);
1013 err_del_port1_attach:
1014         if (dev->info->ts_1)
1015                 smi_port_detach(&dev->ts_port[1]);
1016 err_del_port0_attach:
1017         if (dev->info->ts_0)
1018                 smi_port_detach(&dev->ts_port[0]);
1019 err_del_i2c_adaptor:
1020         smi_i2c_exit(dev);
1021 err_pci_iounmap:
1022         iounmap(dev->lmmio);
1023 err_kfree:
1024         pci_set_drvdata(pdev, NULL);
1025         kfree(dev);
1026 err_pci_disable_device:
1027         pci_disable_device(pdev);
1028         return ret;
1029 }
1030
1031 static void smi_remove(struct pci_dev *pdev)
1032 {
1033         struct smi_dev *dev = pci_get_drvdata(pdev);
1034
1035         smi_write(MSI_INT_ENA_CLR, ALL_INT);
1036         free_irq(dev->pci_dev->irq, dev);
1037 #ifdef CONFIG_PCI_MSI
1038         pci_disable_msi(dev->pci_dev);
1039 #endif
1040         if (dev->info->ts_1)
1041                 smi_port_detach(&dev->ts_port[1]);
1042         if (dev->info->ts_0)
1043                 smi_port_detach(&dev->ts_port[0]);
1044
1045         smi_ir_exit(dev);
1046         smi_i2c_exit(dev);
1047         iounmap(dev->lmmio);
1048         pci_set_drvdata(pdev, NULL);
1049         pci_disable_device(pdev);
1050         kfree(dev);
1051 }
1052
1053 /* DVBSky cards */
1054 static const struct smi_cfg_info dvbsky_s950_cfg = {
1055         .type = SMI_DVBSKY_S950,
1056         .name = "DVBSky S950 V3",
1057         .ts_0 = SMI_TS_NULL,
1058         .ts_1 = SMI_TS_DMA_BOTH,
1059         .fe_0 = DVBSKY_FE_NULL,
1060         .fe_1 = DVBSKY_FE_M88DS3103,
1061         .rc_map = RC_MAP_DVBSKY,
1062 };
1063
1064 static const struct smi_cfg_info dvbsky_s952_cfg = {
1065         .type = SMI_DVBSKY_S952,
1066         .name = "DVBSky S952 V3",
1067         .ts_0 = SMI_TS_DMA_BOTH,
1068         .ts_1 = SMI_TS_DMA_BOTH,
1069         .fe_0 = DVBSKY_FE_M88RS6000,
1070         .fe_1 = DVBSKY_FE_M88RS6000,
1071         .rc_map = RC_MAP_DVBSKY,
1072 };
1073
1074 static const struct smi_cfg_info dvbsky_t9580_cfg = {
1075         .type = SMI_DVBSKY_T9580,
1076         .name = "DVBSky T9580 V3",
1077         .ts_0 = SMI_TS_DMA_BOTH,
1078         .ts_1 = SMI_TS_DMA_BOTH,
1079         .fe_0 = DVBSKY_FE_SIT2,
1080         .fe_1 = DVBSKY_FE_M88DS3103,
1081         .rc_map = RC_MAP_DVBSKY,
1082 };
1083
1084 static const struct smi_cfg_info technotrend_s2_4200_cfg = {
1085         .type = SMI_TECHNOTREND_S2_4200,
1086         .name = "TechnoTrend TT-budget S2-4200 Twin",
1087         .ts_0 = SMI_TS_DMA_BOTH,
1088         .ts_1 = SMI_TS_DMA_BOTH,
1089         .fe_0 = DVBSKY_FE_M88RS6000,
1090         .fe_1 = DVBSKY_FE_M88RS6000,
1091         .rc_map = RC_MAP_TT_1500,
1092 };
1093
1094 /* PCI IDs */
1095 #define SMI_ID(_subvend, _subdev, _driverdata) {        \
1096         .vendor      = SMI_VID,    .device    = SMI_PID, \
1097         .subvendor   = _subvend, .subdevice = _subdev, \
1098         .driver_data = (unsigned long)&_driverdata }
1099
1100 static const struct pci_device_id smi_id_table[] = {
1101         SMI_ID(0x4254, 0x0550, dvbsky_s950_cfg),
1102         SMI_ID(0x4254, 0x0552, dvbsky_s952_cfg),
1103         SMI_ID(0x4254, 0x5580, dvbsky_t9580_cfg),
1104         SMI_ID(0x13c2, 0x3016, technotrend_s2_4200_cfg),
1105         {0}
1106 };
1107 MODULE_DEVICE_TABLE(pci, smi_id_table);
1108
1109 static struct pci_driver smipcie_driver = {
1110         .name = "SMI PCIe driver",
1111         .id_table = smi_id_table,
1112         .probe = smi_probe,
1113         .remove = smi_remove,
1114 };
1115
1116 module_pci_driver(smipcie_driver);
1117
1118 MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>");
1119 MODULE_DESCRIPTION("SMI PCIe driver");
1120 MODULE_LICENSE("GPL");