2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/kmod.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/interrupt.h>
30 #include <linux/delay.h>
31 #include <asm/div64.h>
35 MODULE_DESCRIPTION("Driver for cx23885 based TV cards");
36 MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>");
37 MODULE_LICENSE("GPL");
39 static unsigned int debug = 0;
40 module_param(debug,int,0644);
41 MODULE_PARM_DESC(debug,"enable debug messages");
43 static unsigned int card[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
44 module_param_array(card, int, NULL, 0444);
45 MODULE_PARM_DESC(card,"card type");
47 #define dprintk(level,fmt, arg...) if (debug >= level) \
48 printk(KERN_DEBUG "%s/0: " fmt, dev->name , ## arg)
50 static unsigned int cx23885_devcount;
52 static DEFINE_MUTEX(devlist);
53 static LIST_HEAD(cx23885_devlist);
55 #define NO_SYNC_LINE (-1U)
59 * 1 line = 16 bytes of CDT
61 * cdt size = 16 * linesize
66 * 0x00000000 0x00008fff FIFO clusters
67 * 0x00010000 0x000104af Channel Management Data Structures
68 * 0x000104b0 0x000104ff Free
69 * 0x00010500 0x000108bf 15 channels * iqsize
70 * 0x000108c0 0x000108ff Free
71 * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables
72 * 15 channels * (iqsize + (maxlines * linesize))
73 * 0x00010ea0 0x00010xxx Free
76 struct sram_channel cx23885_sram_channels[] = {
79 .cmds_start = 0x10000,
80 .ctrl_start = 0x10500,
84 .ptr1_reg = DMA1_PTR1,
85 .ptr2_reg = DMA1_PTR2,
86 .cnt1_reg = DMA1_CNT1,
87 .cnt2_reg = DMA1_CNT2,
97 .ptr1_reg = DMA2_PTR1,
98 .ptr2_reg = DMA2_PTR2,
99 .cnt1_reg = DMA2_CNT1,
100 .cnt2_reg = DMA2_CNT2,
109 .ptr1_reg = DMA3_PTR1,
110 .ptr2_reg = DMA3_PTR2,
111 .cnt1_reg = DMA3_CNT1,
112 .cnt2_reg = DMA3_CNT2,
121 .ptr1_reg = DMA4_PTR1,
122 .ptr2_reg = DMA4_PTR2,
123 .cnt1_reg = DMA4_CNT1,
124 .cnt2_reg = DMA4_CNT2,
133 .ptr1_reg = DMA5_PTR1,
134 .ptr2_reg = DMA5_PTR2,
135 .cnt1_reg = DMA5_CNT1,
136 .cnt2_reg = DMA5_CNT2,
140 .cmds_start = 0x10140,
141 .ctrl_start = 0x10680,
143 .fifo_start = 0x6000,
145 .ptr1_reg = DMA5_PTR1,
146 .ptr2_reg = DMA5_PTR2,
147 .cnt1_reg = DMA5_CNT1,
148 .cnt2_reg = DMA5_CNT2,
157 .ptr1_reg = DMA6_PTR1,
158 .ptr2_reg = DMA6_PTR2,
159 .cnt1_reg = DMA6_CNT1,
160 .cnt2_reg = DMA6_CNT2,
169 .ptr1_reg = DMA7_PTR1,
170 .ptr2_reg = DMA7_PTR2,
171 .cnt1_reg = DMA7_CNT1,
172 .cnt2_reg = DMA7_CNT2,
181 .ptr1_reg = DMA8_PTR1,
182 .ptr2_reg = DMA8_PTR2,
183 .cnt1_reg = DMA8_CNT1,
184 .cnt2_reg = DMA8_CNT2,
188 /* FIXME, these allocations will change when
189 * analog arrives. The be reviewed.
190 * CX23887 Assumptions
191 * 1 line = 16 bytes of CDT
193 * cdt size = 16 * linesize
198 * 0x00000000 0x00008fff FIFO clusters
199 * 0x00010000 0x000104af Channel Management Data Structures
200 * 0x000104b0 0x000104ff Free
201 * 0x00010500 0x000108bf 15 channels * iqsize
202 * 0x000108c0 0x000108ff Free
203 * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables
204 * 15 channels * (iqsize + (maxlines * linesize))
205 * 0x00010ea0 0x00010xxx Free
208 struct sram_channel cx23887_sram_channels[] = {
216 .ptr1_reg = DMA1_PTR1,
217 .ptr2_reg = DMA1_PTR2,
218 .cnt1_reg = DMA1_CNT1,
219 .cnt2_reg = DMA1_CNT2,
228 .ptr1_reg = DMA2_PTR1,
229 .ptr2_reg = DMA2_PTR2,
230 .cnt1_reg = DMA2_CNT1,
231 .cnt2_reg = DMA2_CNT2,
240 .ptr1_reg = DMA3_PTR1,
241 .ptr2_reg = DMA3_PTR2,
242 .cnt1_reg = DMA3_CNT1,
243 .cnt2_reg = DMA3_CNT2,
252 .ptr1_reg = DMA4_PTR1,
253 .ptr2_reg = DMA4_PTR2,
254 .cnt1_reg = DMA4_CNT1,
255 .cnt2_reg = DMA4_CNT2,
264 .ptr1_reg = DMA5_PTR1,
265 .ptr2_reg = DMA5_PTR2,
266 .cnt1_reg = DMA5_CNT1,
267 .cnt2_reg = DMA5_CNT2,
271 .cmds_start = 0x10140,
272 .ctrl_start = 0x10680,
274 .fifo_start = 0x6000,
276 .ptr1_reg = DMA5_PTR1,
277 .ptr2_reg = DMA5_PTR2,
278 .cnt1_reg = DMA5_CNT1,
279 .cnt2_reg = DMA5_CNT2,
288 .ptr1_reg = DMA6_PTR1,
289 .ptr2_reg = DMA6_PTR2,
290 .cnt1_reg = DMA6_CNT1,
291 .cnt2_reg = DMA6_CNT2,
300 .ptr1_reg = DMA7_PTR1,
301 .ptr2_reg = DMA7_PTR2,
302 .cnt1_reg = DMA7_CNT1,
303 .cnt2_reg = DMA7_CNT2,
312 .ptr1_reg = DMA8_PTR1,
313 .ptr2_reg = DMA8_PTR2,
314 .cnt1_reg = DMA8_CNT1,
315 .cnt2_reg = DMA8_CNT2,
319 static int cx23885_risc_decode(u32 risc)
321 static char *instr[16] = {
322 [ RISC_SYNC >> 28 ] = "sync",
323 [ RISC_WRITE >> 28 ] = "write",
324 [ RISC_WRITEC >> 28 ] = "writec",
325 [ RISC_READ >> 28 ] = "read",
326 [ RISC_READC >> 28 ] = "readc",
327 [ RISC_JUMP >> 28 ] = "jump",
328 [ RISC_SKIP >> 28 ] = "skip",
329 [ RISC_WRITERM >> 28 ] = "writerm",
330 [ RISC_WRITECM >> 28 ] = "writecm",
331 [ RISC_WRITECR >> 28 ] = "writecr",
333 static int incr[16] = {
334 [ RISC_WRITE >> 28 ] = 3,
335 [ RISC_JUMP >> 28 ] = 3,
336 [ RISC_SKIP >> 28 ] = 1,
337 [ RISC_SYNC >> 28 ] = 1,
338 [ RISC_WRITERM >> 28 ] = 3,
339 [ RISC_WRITECM >> 28 ] = 3,
340 [ RISC_WRITECR >> 28 ] = 4,
342 static char *bits[] = {
343 "12", "13", "14", "resync",
344 "cnt0", "cnt1", "18", "19",
345 "20", "21", "22", "23",
346 "irq1", "irq2", "eol", "sol",
350 printk("0x%08x [ %s", risc,
351 instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
352 for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--)
353 if (risc & (1 << (i + 12)))
354 printk(" %s", bits[i]);
355 printk(" count=%d ]\n", risc & 0xfff);
356 return incr[risc >> 28] ? incr[risc >> 28] : 1;
359 void cx23885_wakeup(struct cx23885_tsport *port,
360 struct cx23885_dmaqueue *q, u32 count)
362 struct cx23885_dev *dev = port->dev;
363 struct cx23885_buffer *buf;
366 for (bc = 0;; bc++) {
367 if (list_empty(&q->active))
369 buf = list_entry(q->active.next,
370 struct cx23885_buffer, vb.queue);
372 /* count comes from the hw and is is 16bit wide --
373 * this trick handles wrap-arounds correctly for
374 * up to 32767 buffers in flight... */
375 if ((s16) (count - buf->count) < 0)
378 do_gettimeofday(&buf->vb.ts);
379 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
381 buf->vb.state = STATE_DONE;
382 list_del(&buf->vb.queue);
383 wake_up(&buf->vb.done);
385 if (list_empty(&q->active)) {
386 del_timer(&q->timeout);
388 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
391 printk("%s: %d buffers handled (should be 1)\n",
394 void cx23885_sram_channel_dump(struct cx23885_dev *dev,
395 struct sram_channel *ch);
397 int cx23885_sram_channel_setup(struct cx23885_dev *dev,
398 struct sram_channel *ch,
399 unsigned int bpl, u32 risc)
401 unsigned int i, lines;
404 if (ch->cmds_start == 0)
406 dprintk(1, "%s() Erasing channel [%s]\n", __FUNCTION__,
408 cx_write(ch->ptr1_reg, 0);
409 cx_write(ch->ptr2_reg, 0);
410 cx_write(ch->cnt2_reg, 0);
411 cx_write(ch->cnt1_reg, 0);
414 dprintk(1, "%s() Configuring channel [%s]\n", __FUNCTION__,
418 bpl = (bpl + 7) & ~7; /* alignment */
420 lines = ch->fifo_size / bpl;
425 cx_write(8 + 0, cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC) );
426 cx_write(8 + 4, cpu_to_le32(8) );
427 cx_write(8 + 8, cpu_to_le32(0) );
430 for (i = 0; i < lines; i++) {
431 dprintk(2, "%s() 0x%08x <- 0x%08x\n", __FUNCTION__, cdt + 16*i,
432 ch->fifo_start + bpl*i);
433 cx_write(cdt + 16*i, ch->fifo_start + bpl*i);
434 cx_write(cdt + 16*i + 4, 0);
435 cx_write(cdt + 16*i + 8, 0);
436 cx_write(cdt + 16*i + 12, 0);
441 cx_write(ch->cmds_start + 0, 8);
443 cx_write(ch->cmds_start + 0, risc);
444 cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */
445 cx_write(ch->cmds_start + 8, cdt);
446 cx_write(ch->cmds_start + 12, (lines*16) >> 3);
447 cx_write(ch->cmds_start + 16, ch->ctrl_start);
449 cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2) );
451 cx_write(ch->cmds_start + 20, 64 >> 2);
452 for (i = 24; i < 80; i += 4)
453 cx_write(ch->cmds_start + i, 0);
456 cx_write(ch->ptr1_reg, ch->fifo_start);
457 cx_write(ch->ptr2_reg, cdt);
458 cx_write(ch->cnt2_reg, (lines*16) >> 3);
459 cx_write(ch->cnt1_reg, (bpl >> 3) -1);
461 dprintk(2,"[bridge %d] sram setup %s: bpl=%d lines=%d\n",
470 void cx23885_sram_channel_dump(struct cx23885_dev *dev,
471 struct sram_channel *ch)
473 static char *name[] = {
490 unsigned int i, j, n;
492 printk("%s: %s - dma channel status dump\n",
493 dev->name, ch->name);
494 for (i = 0; i < ARRAY_SIZE(name); i++)
495 printk("%s: cmds: %-15s: 0x%08x\n",
497 cx_read(ch->cmds_start + 4*i));
499 for (i = 0; i < 4; i++) {
500 risc = cx_read(ch->cmds_start + 4 * (i + 14));
501 printk("%s: risc%d: ", dev->name, i);
502 cx23885_risc_decode(risc);
504 for (i = 0; i < (64 >> 2); i += n) {
505 risc = cx_read(ch->ctrl_start + 4 * i);
506 /* No consideration for bits 63-32 */
508 printk("%s: (0x%08x) iq %x: ", dev->name,
509 ch->ctrl_start + 4 * i, i);
510 n = cx23885_risc_decode(risc);
511 for (j = 1; j < n; j++) {
512 risc = cx_read(ch->ctrl_start + 4 * (i + j));
513 printk("%s: iq %x: 0x%08x [ arg #%d ]\n",
514 dev->name, i+j, risc, j);
518 printk("%s: fifo: 0x%08x -> 0x%x\n",
519 dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
520 printk("%s: ctrl: 0x%08x -> 0x%x\n",
521 dev->name, ch->ctrl_start, ch->ctrl_start + 6*16);
522 printk("%s: ptr1_reg: 0x%08x\n",
523 dev->name, cx_read(ch->ptr1_reg));
524 printk("%s: ptr2_reg: 0x%08x\n",
525 dev->name, cx_read(ch->ptr2_reg));
526 printk("%s: cnt1_reg: 0x%08x\n",
527 dev->name, cx_read(ch->cnt1_reg));
528 printk("%s: cnt2_reg: 0x%08x\n",
529 dev->name, cx_read(ch->cnt2_reg));
532 void cx23885_risc_disasm(struct cx23885_tsport *port,
533 struct btcx_riscmem *risc)
535 struct cx23885_dev *dev = port->dev;
536 unsigned int i, j, n;
538 printk("%s: risc disasm: %p [dma=0x%08lx]\n",
539 dev->name, risc->cpu, (unsigned long)risc->dma);
540 for (i = 0; i < (risc->size >> 2); i += n) {
541 printk("%s: %04d: ", dev->name, i);
542 n = cx23885_risc_decode(risc->cpu[i]);
543 for (j = 1; j < n; j++)
544 printk("%s: %04d: 0x%08x [ arg #%d ]\n",
545 dev->name, i + j, risc->cpu[i + j], j);
546 if (risc->cpu[i] == RISC_JUMP)
551 void cx23885_shutdown(struct cx23885_dev *dev)
553 /* disable RISC controller */
554 cx_write(DEV_CNTRL2, 0);
556 /* Disable all IR activity */
557 cx_write(IR_CNTRL_REG, 0);
559 /* Disable Video A/B activity */
560 cx_write(VID_A_DMA_CTL, 0);
561 cx_write(VID_B_DMA_CTL, 0);
562 cx_write(VID_C_DMA_CTL, 0);
564 /* Disable Audio activity */
565 cx_write(AUD_INT_DMA_CTL, 0);
566 cx_write(AUD_EXT_DMA_CTL, 0);
568 /* Disable Serial port */
569 cx_write(UART_CTL, 0);
571 /* Disable Interrupts */
572 cx_write(PCI_INT_MSK, 0);
573 cx_write(VID_A_INT_MSK, 0);
574 cx_write(VID_B_INT_MSK, 0);
575 cx_write(VID_C_INT_MSK, 0);
576 cx_write(AUDIO_INT_INT_MSK, 0);
577 cx_write(AUDIO_EXT_INT_MSK, 0);
581 void cx23885_reset(struct cx23885_dev *dev)
583 dprintk(1, "%s()\n", __FUNCTION__);
585 cx23885_shutdown(dev);
587 cx_write(PCI_INT_STAT, 0xffffffff);
588 cx_write(VID_A_INT_STAT, 0xffffffff);
589 cx_write(VID_B_INT_STAT, 0xffffffff);
590 cx_write(VID_C_INT_STAT, 0xffffffff);
591 cx_write(AUDIO_INT_INT_STAT, 0xffffffff);
592 cx_write(AUDIO_EXT_INT_STAT, 0xffffffff);
593 cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000);
597 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 188*4, 0);
598 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 0);
599 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 128, 0);
600 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 0);
601 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 0);
602 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 188*4, 0);
603 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH07 ], 128, 0);
604 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0);
605 cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0);
608 case CX23885_BOARD_HAUPPAUGE_HVR1250:
609 /* GPIO-0 cx24227 demodulator reset */
610 dprintk( 1, "%s() Configuring HVR1250 GPIO's\n", __FUNCTION__);
611 cx_set(GP0_IO, 0x00010001); /* Bring the part out of reset */
613 case CX23885_BOARD_HAUPPAUGE_HVR1800:
616 /* GPIO-2 8295A Reset */
617 /* GPIO-3-10 cx23417 data0-7 */
618 /* GPIO-11-14 cx23417 addr0-3 */
619 /* GPIO-15-18 cx23417 READY, CS, RD, WR */
621 dprintk( 1, "%s() Configuring HVR1800 GPIO's\n", __FUNCTION__);
622 // FIXME: Analog requires the tuner is brought out of reset
628 static int cx23885_pci_quirks(struct cx23885_dev *dev)
630 dprintk(1, "%s()\n", __FUNCTION__);
632 /* The cx23885 bridge has a weird bug which causes NMI to be asserted
633 * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not
634 * occur on the cx23887 bridge.
636 if(dev->bridge == CX23885_BRIDGE_885)
637 cx_clear(RDR_TLCTL0, 1 << 4);
642 static int get_resources(struct cx23885_dev *dev)
644 if (request_mem_region(pci_resource_start(dev->pci,0),
645 pci_resource_len(dev->pci,0),
649 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
650 dev->name, (unsigned long long)pci_resource_start(dev->pci,0));
655 static void cx23885_timeout(unsigned long data);
656 int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
657 u32 reg, u32 mask, u32 value);
659 static int cx23885_ir_init(struct cx23885_dev *dev)
661 dprintk(1, "%s()\n", __FUNCTION__);
663 switch (dev->board) {
664 case CX23885_BOARD_HAUPPAUGE_HVR1250:
665 case CX23885_BOARD_HAUPPAUGE_HVR1800:
666 dprintk(1, "%s() FIXME - Implement IR support\n", __FUNCTION__);
673 static int cx23885_dev_setup(struct cx23885_dev *dev)
677 mutex_init(&dev->lock);
679 atomic_inc(&dev->refcount);
681 dev->nr = cx23885_devcount++;
682 dev->pci_bus = dev->pci->bus->number;
683 dev->pci_slot = PCI_SLOT(dev->pci->devfn);
684 dev->pci_irqmask = 0x001f00;
686 /* External Master 1 Bus */
687 dev->i2c_bus[0].nr = 0;
688 dev->i2c_bus[0].dev = dev;
689 dev->i2c_bus[0].reg_stat = I2C1_STAT;
690 dev->i2c_bus[0].reg_ctrl = I2C1_CTRL;
691 dev->i2c_bus[0].reg_addr = I2C1_ADDR;
692 dev->i2c_bus[0].reg_rdata = I2C1_RDATA;
693 dev->i2c_bus[0].reg_wdata = I2C1_WDATA;
694 dev->i2c_bus[0].i2c_period = (0x9d << 24); /* 100kHz */
696 /* External Master 2 Bus */
697 dev->i2c_bus[1].nr = 1;
698 dev->i2c_bus[1].dev = dev;
699 dev->i2c_bus[1].reg_stat = I2C2_STAT;
700 dev->i2c_bus[1].reg_ctrl = I2C2_CTRL;
701 dev->i2c_bus[1].reg_addr = I2C2_ADDR;
702 dev->i2c_bus[1].reg_rdata = I2C2_RDATA;
703 dev->i2c_bus[1].reg_wdata = I2C2_WDATA;
704 dev->i2c_bus[1].i2c_period = (0x9d << 24); /* 100kHz */
706 /* Internal Master 3 Bus */
707 dev->i2c_bus[2].nr = 2;
708 dev->i2c_bus[2].dev = dev;
709 dev->i2c_bus[2].reg_stat = I2C3_STAT;
710 dev->i2c_bus[2].reg_ctrl = I2C3_CTRL;
711 dev->i2c_bus[2].reg_addr = I2C3_ADDR;
712 dev->i2c_bus[2].reg_rdata = I2C3_RDATA;
713 dev->i2c_bus[2].reg_wdata = I2C3_WDATA;
714 dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */
716 /* Transport bus init dma queue */
717 spin_lock_init(&dev->ts2.slock);
720 dev->ts2.sram_chno = SRAM_CH06;
721 INIT_LIST_HEAD(&dev->ts2.mpegq.active);
722 INIT_LIST_HEAD(&dev->ts2.mpegq.queued);
723 dev->ts2.mpegq.timeout.function = cx23885_timeout;
724 dev->ts2.mpegq.timeout.data = (unsigned long)&dev->ts2;
725 init_timer(&dev->ts2.mpegq.timeout);
727 dev->ts2.reg_gpcnt = VID_C_GPCNT;
728 dev->ts2.reg_gpcnt_ctl = VID_C_GPCNT_CTL;
729 dev->ts2.reg_dma_ctl = VID_C_DMA_CTL;
730 dev->ts2.reg_lngth = VID_C_LNGTH;
731 dev->ts2.reg_hw_sop_ctrl = VID_C_HW_SOP_CTL;
732 dev->ts2.reg_gen_ctrl = VID_C_GEN_CTL;
733 dev->ts2.reg_bd_pkt_status = VID_C_BD_PKT_STATUS;
734 dev->ts2.reg_sop_status = VID_C_SOP_STATUS;
735 dev->ts2.reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT;
736 dev->ts2.reg_vld_misc = VID_C_VLD_MISC;
737 dev->ts2.reg_ts_clk_en = VID_C_TS_CLK_EN;
738 dev->ts2.reg_ts_int_msk = VID_C_INT_MSK;
740 // FIXME: Make this board specific
741 dev->ts2.pci_irqmask = 0x04; /* TS Port 2 bit */
742 dev->ts2.dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */
743 dev->ts2.ts_int_msk_val = 0x1111; /* TS port bits for RISC */
744 dev->ts2.gen_ctrl_val = 0xc; /* Serial bus + punctured clock */
745 dev->ts2.ts_clk_en_val = 0x1; /* Enable TS_CLK */
747 cx23885_risc_stopper(dev->pci, &dev->ts2.mpegq.stopper,
748 dev->ts2.reg_dma_ctl, dev->ts2.dma_ctl_val, 0x00);
750 sprintf(dev->name, "cx23885[%d]", dev->nr);
752 if (get_resources(dev) < 0) {
753 printk(KERN_ERR "CORE %s No more PCIe resources for "
754 "subsystem: %04x:%04x\n",
755 dev->name, dev->pci->subsystem_vendor,
756 dev->pci->subsystem_device);
762 mutex_lock(&devlist);
763 list_add_tail(&dev->devlist, &cx23885_devlist);
764 mutex_unlock(&devlist);
767 dev->lmmio = ioremap(pci_resource_start(dev->pci,0),
768 pci_resource_len(dev->pci,0));
770 dev->bmmio = (u8 __iomem *)dev->lmmio;
774 if (card[dev->nr] < cx23885_bcount)
775 dev->board = card[dev->nr];
776 for (i = 0; UNSET == dev->board && i < cx23885_idcount; i++)
777 if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor &&
778 dev->pci->subsystem_device == cx23885_subids[i].subdevice)
779 dev->board = cx23885_subids[i].card;
780 if (UNSET == dev->board) {
781 dev->board = CX23885_BOARD_UNKNOWN;
782 cx23885_card_list(dev);
784 printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
785 dev->name, dev->pci->subsystem_vendor,
786 dev->pci->subsystem_device, cx23885_boards[dev->board].name,
787 dev->board, card[dev->nr] == dev->board ?
788 "insmod option" : "autodetected");
790 /* Configure the internal memory */
791 if(dev->pci->device == 0x8880) {
792 dev->bridge = CX23885_BRIDGE_887;
793 dev->sram_channels = cx23887_sram_channels;
795 if(dev->pci->device == 0x8852) {
796 dev->bridge = CX23885_BRIDGE_885;
797 dev->sram_channels = cx23885_sram_channels;
799 dprintk(1, "%s() Memory configured for PCIe bridge type %d\n",
800 __FUNCTION__, dev->bridge);
802 cx23885_pci_quirks(dev);
807 cx23885_i2c_register(&dev->i2c_bus[0]);
808 cx23885_i2c_register(&dev->i2c_bus[1]);
809 cx23885_i2c_register(&dev->i2c_bus[2]);
810 cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
812 cx23885_card_setup(dev);
813 cx23885_ir_init(dev);
815 if (cx23885_dvb_register(&dev->ts2) < 0) {
816 printk(KERN_ERR "%s() Failed to register dvb adapters\n",
827 void cx23885_dev_unregister(struct cx23885_dev *dev)
829 release_mem_region(pci_resource_start(dev->pci,0),
830 pci_resource_len(dev->pci,0));
832 if (!atomic_dec_and_test(&dev->refcount))
835 cx23885_dvb_unregister(&dev->ts2);
836 cx23885_i2c_unregister(&dev->i2c_bus[2]);
837 cx23885_i2c_unregister(&dev->i2c_bus[1]);
838 cx23885_i2c_unregister(&dev->i2c_bus[0]);
843 static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist,
844 unsigned int offset, u32 sync_line,
845 unsigned int bpl, unsigned int padding,
848 struct scatterlist *sg;
849 unsigned int line, todo;
851 /* sync instruction */
852 if (sync_line != NO_SYNC_LINE)
853 *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
857 for (line = 0; line < lines; line++) {
858 while (offset && offset >= sg_dma_len(sg)) {
859 offset -= sg_dma_len(sg);
862 if (bpl <= sg_dma_len(sg)-offset) {
863 /* fits into current chunk */
864 *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl);
865 *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
866 *(rp++)=cpu_to_le32(0); /* bits 63-32 */
869 /* scanline needs to be split */
871 *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|
872 (sg_dma_len(sg)-offset));
873 *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
874 *(rp++)=cpu_to_le32(0); /* bits 63-32 */
875 todo -= (sg_dma_len(sg)-offset);
878 while (todo > sg_dma_len(sg)) {
879 *(rp++)=cpu_to_le32(RISC_WRITE|
881 *(rp++)=cpu_to_le32(sg_dma_address(sg));
882 *(rp++)=cpu_to_le32(0); /* bits 63-32 */
883 todo -= sg_dma_len(sg);
886 *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
887 *(rp++)=cpu_to_le32(sg_dma_address(sg));
888 *(rp++)=cpu_to_le32(0); /* bits 63-32 */
897 int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
898 struct scatterlist *sglist, unsigned int top_offset,
899 unsigned int bottom_offset, unsigned int bpl,
900 unsigned int padding, unsigned int lines)
902 u32 instructions, fields;
907 if (UNSET != top_offset)
909 if (UNSET != bottom_offset)
912 /* estimate risc mem: worst case is one write per page border +
913 one write per scan line + syncs + jump (all 2 dwords). Padding
914 can cause next bpl to start close to a page border. First DMA
915 region may be smaller than PAGE_SIZE */
916 /* write and jump need and extra dword */
917 instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines);
919 if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
922 /* write risc instructions */
924 if (UNSET != top_offset)
925 rp = cx23885_risc_field(rp, sglist, top_offset, 0,
926 bpl, padding, lines);
927 if (UNSET != bottom_offset)
928 rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200,
929 bpl, padding, lines);
931 /* save pointer to jmp instruction address */
933 BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
937 int cx23885_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
938 struct scatterlist *sglist, unsigned int bpl,
945 /* estimate risc mem: worst case is one write per page border +
946 one write per scan line + syncs + jump (all 2 dwords). Here
947 there is no padding and no sync. First DMA region may be smaller
949 /* Jump and write need an extra dword */
950 instructions = 1 + (bpl * lines) / PAGE_SIZE + lines;
953 if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
956 /* write risc instructions */
958 rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines);
960 /* save pointer to jmp instruction address */
962 BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
966 int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
967 u32 reg, u32 mask, u32 value)
972 if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0)
975 /* write risc instructions */
977 *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2);
978 *(rp++) = cpu_to_le32(reg);
979 *(rp++) = cpu_to_le32(value);
980 *(rp++) = cpu_to_le32(mask);
981 *(rp++) = cpu_to_le32(RISC_JUMP);
982 *(rp++) = cpu_to_le32(risc->dma);
983 *(rp++) = cpu_to_le32(0); /* bits 63-32 */
987 void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf)
989 BUG_ON(in_interrupt());
990 videobuf_waiton(&buf->vb, 0, 0);
991 videobuf_dma_unmap(q, &buf->vb.dma);
992 videobuf_dma_free(&buf->vb.dma);
993 btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc);
994 buf->vb.state = STATE_NEEDS_INIT;
997 static int cx23885_start_dma(struct cx23885_tsport *port,
998 struct cx23885_dmaqueue *q,
999 struct cx23885_buffer *buf)
1001 struct cx23885_dev *dev = port->dev;
1003 dprintk(1, "%s() w: %d, h: %d, f: %d\n", __FUNCTION__,
1004 buf->vb.width, buf->vb.height, buf->vb.field);
1006 /* setup fifo + format */
1007 cx23885_sram_channel_setup(dev,
1008 &dev->sram_channels[ port->sram_chno ],
1009 port->ts_packet_size, buf->risc.dma);
1011 cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ] );
1012 cx23885_risc_disasm(port, &buf->risc);
1015 /* write TS length to chip */
1016 cx_write(port->reg_lngth, buf->vb.width);
1018 if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB)) {
1019 printk( "%s() Failed. Unsupported value in .portc (0x%08x)\n",
1020 __FUNCTION__, cx23885_boards[dev->board].portc );
1026 cx_write(port->reg_hw_sop_ctrl, 0x47 << 16 | 188 << 4);
1027 cx_write(port->reg_ts_clk_en, port->ts_clk_en_val);
1028 cx_write(port->reg_vld_misc, 0x00);
1030 cx_write(port->reg_gen_ctrl, port->gen_ctrl_val);
1033 /* reset counter to zero */
1034 cx_write(port->reg_gpcnt_ctl, 3);
1037 switch(dev->bridge) {
1038 case CX23885_BRIDGE_885:
1039 case CX23885_BRIDGE_887:
1041 dprintk(1, "%s() enabling TS int's and DMA\n", __FUNCTION__ );
1042 cx_set(port->reg_ts_int_msk, port->ts_int_msk_val);
1043 cx_set(port->reg_dma_ctl, port->dma_ctl_val);
1044 cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask);
1047 printk(KERN_ERR "%s() error, default case", __FUNCTION__ );
1050 cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
1055 static int cx23885_stop_dma(struct cx23885_tsport *port)
1057 struct cx23885_dev *dev = port->dev;
1058 dprintk(1, "%s()\n", __FUNCTION__);
1060 /* Stop interrupts and DMA */
1061 cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val);
1062 cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
1067 static int cx23885_restart_queue(struct cx23885_tsport *port,
1068 struct cx23885_dmaqueue *q)
1070 struct cx23885_dev *dev = port->dev;
1071 struct cx23885_buffer *buf;
1072 struct list_head *item;
1074 dprintk(5, "%s()\n", __FUNCTION__);
1075 if (list_empty(&q->active))
1077 struct cx23885_buffer *prev;
1080 dprintk(5, "%s() queue is empty\n", __FUNCTION__);
1083 if (list_empty(&q->queued))
1085 buf = list_entry(q->queued.next, struct cx23885_buffer,
1088 list_del(&buf->vb.queue);
1089 list_add_tail(&buf->vb.queue, &q->active);
1090 cx23885_start_dma(port, q, buf);
1091 buf->vb.state = STATE_ACTIVE;
1092 buf->count = q->count++;
1093 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
1094 dprintk(5, "[%p/%d] restart_queue - first active\n",
1097 } else if (prev->vb.width == buf->vb.width &&
1098 prev->vb.height == buf->vb.height &&
1099 prev->fmt == buf->fmt) {
1100 list_del(&buf->vb.queue);
1101 list_add_tail(&buf->vb.queue, &q->active);
1102 buf->vb.state = STATE_ACTIVE;
1103 buf->count = q->count++;
1104 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
1105 prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */
1106 dprintk(5,"[%p/%d] restart_queue - move to active\n",
1116 buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue);
1117 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
1119 cx23885_start_dma(port, q, buf);
1120 list_for_each(item, &q->active) {
1121 buf = list_entry(item, struct cx23885_buffer, vb.queue);
1122 buf->count = q->count++;
1124 mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
1128 /* ------------------------------------------------------------------ */
1130 int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
1131 struct cx23885_buffer *buf, enum v4l2_field field)
1133 struct cx23885_dev *dev = port->dev;
1134 int size = port->ts_packet_size * port->ts_packet_count;
1137 dprintk(1, "%s: %p\n", __FUNCTION__, buf);
1138 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1141 if (STATE_NEEDS_INIT == buf->vb.state) {
1142 buf->vb.width = port->ts_packet_size;
1143 buf->vb.height = port->ts_packet_count;
1144 buf->vb.size = size;
1145 buf->vb.field = field /*V4L2_FIELD_TOP*/;
1147 if (0 != (rc = videobuf_iolock(q, &buf->vb, NULL)))
1149 cx23885_risc_databuffer(dev->pci, &buf->risc,
1151 buf->vb.width, buf->vb.height);
1153 buf->vb.state = STATE_PREPARED;
1157 cx23885_free_buffer(q, buf);
1161 void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
1163 struct cx23885_buffer *prev;
1164 struct cx23885_dev *dev = port->dev;
1165 struct cx23885_dmaqueue *cx88q = &port->mpegq;
1167 /* add jump to stopper */
1168 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
1169 buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma);
1170 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
1172 if (list_empty(&cx88q->active)) {
1173 dprintk( 1, "queue is empty - first active\n" );
1174 list_add_tail(&buf->vb.queue, &cx88q->active);
1175 cx23885_start_dma(port, cx88q, buf);
1176 buf->vb.state = STATE_ACTIVE;
1177 buf->count = cx88q->count++;
1178 mod_timer(&cx88q->timeout, jiffies + BUFFER_TIMEOUT);
1179 dprintk(1, "[%p/%d] %s - first active\n",
1180 buf, buf->vb.i, __FUNCTION__);
1182 dprintk( 1, "queue is not empty - append to active\n" );
1183 prev = list_entry(cx88q->active.prev, struct cx23885_buffer,
1185 list_add_tail(&buf->vb.queue, &cx88q->active);
1186 buf->vb.state = STATE_ACTIVE;
1187 buf->count = cx88q->count++;
1188 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
1189 prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */
1190 dprintk( 1, "[%p/%d] %s - append to active\n",
1191 buf, buf->vb.i, __FUNCTION__);
1195 /* ----------------------------------------------------------- */
1197 static void do_cancel_buffers(struct cx23885_tsport *port, char *reason,
1200 struct cx23885_dev *dev = port->dev;
1201 struct cx23885_dmaqueue *q = &port->mpegq;
1202 struct cx23885_buffer *buf;
1203 unsigned long flags;
1205 spin_lock_irqsave(&port->slock, flags);
1206 while (!list_empty(&q->active)) {
1207 buf = list_entry(q->active.next, struct cx23885_buffer,
1209 list_del(&buf->vb.queue);
1210 buf->vb.state = STATE_ERROR;
1211 wake_up(&buf->vb.done);
1212 dprintk(1, "[%p/%d] %s - dma=0x%08lx\n",
1213 buf, buf->vb.i, reason, (unsigned long)buf->risc.dma);
1216 dprintk(1, "restarting queue\n" );
1217 cx23885_restart_queue(port, q);
1219 spin_unlock_irqrestore(&port->slock, flags);
1222 void cx23885_cancel_buffers(struct cx23885_tsport *port)
1224 struct cx23885_dev *dev = port->dev;
1225 struct cx23885_dmaqueue *q = &port->mpegq;
1227 dprintk(1, "%s()\n", __FUNCTION__);
1228 del_timer_sync(&q->timeout);
1229 cx23885_stop_dma(port);
1230 do_cancel_buffers(port, "cancel", 0);
1233 static void cx23885_timeout(unsigned long data)
1235 struct cx23885_tsport *port = (struct cx23885_tsport *)data;
1236 struct cx23885_dev *dev = port->dev;
1238 dprintk(1, "%s()\n",__FUNCTION__);
1241 cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
1243 cx23885_stop_dma(port);
1244 do_cancel_buffers(port, "timeout", 1);
1247 static irqreturn_t cx23885_irq(int irq, void *dev_id)
1249 struct cx23885_dev *dev = dev_id;
1250 struct cx23885_tsport *port = &dev->ts2;
1251 u32 pci_status, pci_mask;
1252 u32 ts2_status, ts2_mask;
1253 int count = 0, handled = 0;
1255 pci_status = cx_read(PCI_INT_STAT);
1256 pci_mask = cx_read(PCI_INT_MSK);
1258 ts2_status = cx_read(VID_C_INT_STAT);
1259 ts2_mask = cx_read(VID_C_INT_MSK);
1261 if ( (pci_status == 0) && (ts2_status == 0) )
1264 count = cx_read(port->reg_gpcnt);
1265 dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", pci_status, pci_mask );
1266 dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", ts2_status, ts2_mask, count );
1268 if ( (pci_status & PCI_MSK_RISC_RD) ||
1269 (pci_status & PCI_MSK_RISC_WR) ||
1270 (pci_status & PCI_MSK_AL_RD) ||
1271 (pci_status & PCI_MSK_AL_WR) ||
1272 (pci_status & PCI_MSK_APB_DMA) ||
1273 (pci_status & PCI_MSK_VID_C) ||
1274 (pci_status & PCI_MSK_VID_B) ||
1275 (pci_status & PCI_MSK_VID_A) ||
1276 (pci_status & PCI_MSK_AUD_INT) ||
1277 (pci_status & PCI_MSK_AUD_EXT) )
1280 if (pci_status & PCI_MSK_RISC_RD)
1281 dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", PCI_MSK_RISC_RD);
1282 if (pci_status & PCI_MSK_RISC_WR)
1283 dprintk(7, " (PCI_MSK_RISC_WR 0x%08x)\n", PCI_MSK_RISC_WR);
1284 if (pci_status & PCI_MSK_AL_RD)
1285 dprintk(7, " (PCI_MSK_AL_RD 0x%08x)\n", PCI_MSK_AL_RD);
1286 if (pci_status & PCI_MSK_AL_WR)
1287 dprintk(7, " (PCI_MSK_AL_WR 0x%08x)\n", PCI_MSK_AL_WR);
1288 if (pci_status & PCI_MSK_APB_DMA)
1289 dprintk(7, " (PCI_MSK_APB_DMA 0x%08x)\n", PCI_MSK_APB_DMA);
1290 if (pci_status & PCI_MSK_VID_C)
1291 dprintk(7, " (PCI_MSK_VID_C 0x%08x)\n", PCI_MSK_VID_C);
1292 if (pci_status & PCI_MSK_VID_B)
1293 dprintk(7, " (PCI_MSK_VID_B 0x%08x)\n", PCI_MSK_VID_B);
1294 if (pci_status & PCI_MSK_VID_A)
1295 dprintk(7, " (PCI_MSK_VID_A 0x%08x)\n", PCI_MSK_VID_A);
1296 if (pci_status & PCI_MSK_AUD_INT)
1297 dprintk(7, " (PCI_MSK_AUD_INT 0x%08x)\n", PCI_MSK_AUD_INT);
1298 if (pci_status & PCI_MSK_AUD_EXT)
1299 dprintk(7, " (PCI_MSK_AUD_EXT 0x%08x)\n", PCI_MSK_AUD_EXT);
1303 if ( (ts2_status & VID_C_MSK_OPC_ERR) ||
1304 (ts2_status & VID_C_MSK_BAD_PKT) ||
1305 (ts2_status & VID_C_MSK_SYNC) ||
1306 (ts2_status & VID_C_MSK_OF))
1308 if (ts2_status & VID_C_MSK_OPC_ERR)
1309 dprintk(7, " (VID_C_MSK_OPC_ERR 0x%08x)\n", VID_C_MSK_OPC_ERR);
1310 if (ts2_status & VID_C_MSK_BAD_PKT)
1311 dprintk(7, " (VID_C_MSK_BAD_PKT 0x%08x)\n", VID_C_MSK_BAD_PKT);
1312 if (ts2_status & VID_C_MSK_SYNC)
1313 dprintk(7, " (VID_C_MSK_SYNC 0x%08x)\n", VID_C_MSK_SYNC);
1314 if (ts2_status & VID_C_MSK_OF)
1315 dprintk(7, " (VID_C_MSK_OF 0x%08x)\n", VID_C_MSK_OF);
1317 printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
1319 cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
1320 cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
1322 } else if (ts2_status & VID_C_MSK_RISCI1) {
1324 dprintk(7, " (RISCI1 0x%08x)\n", VID_C_MSK_RISCI1);
1326 spin_lock(&port->slock);
1327 count = cx_read(port->reg_gpcnt);
1328 cx23885_wakeup(port, &port->mpegq, count);
1329 spin_unlock(&port->slock);
1331 } else if (ts2_status & VID_C_MSK_RISCI2) {
1333 dprintk(7, " (RISCI2 0x%08x)\n", VID_C_MSK_RISCI2);
1335 spin_lock(&port->slock);
1336 cx23885_restart_queue(port, &port->mpegq);
1337 spin_unlock(&port->slock);
1341 cx_write(VID_C_INT_STAT, ts2_status);
1342 cx_write(PCI_INT_STAT, pci_status);
1345 return IRQ_RETVAL(handled);
1348 static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
1349 const struct pci_device_id *pci_id)
1351 struct cx23885_dev *dev;
1354 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1360 if (pci_enable_device(pci_dev)) {
1365 if (cx23885_dev_setup(dev) < 0) {
1370 /* print pci info */
1371 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1372 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1373 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1374 "latency: %d, mmio: 0x%llx\n", dev->name,
1375 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1376 dev->pci_lat, (unsigned long long)pci_resource_start(pci_dev,0));
1378 pci_set_master(pci_dev);
1379 if (!pci_dma_supported(pci_dev, 0xffffffff)) {
1380 printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
1385 err = request_irq(pci_dev->irq, cx23885_irq,
1386 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1388 printk(KERN_ERR "%s: can't get IRQ %d\n",
1389 dev->name, pci_dev->irq);
1393 pci_set_drvdata(pci_dev, dev);
1397 cx23885_dev_unregister(dev);
1403 static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
1405 struct cx23885_dev *dev = pci_get_drvdata(pci_dev);
1407 cx23885_shutdown(dev);
1409 pci_disable_device(pci_dev);
1411 /* unregister stuff */
1412 free_irq(pci_dev->irq, dev);
1413 pci_set_drvdata(pci_dev, NULL);
1415 mutex_lock(&devlist);
1416 list_del(&dev->devlist);
1417 mutex_unlock(&devlist);
1419 cx23885_dev_unregister(dev);
1423 static struct pci_device_id cx23885_pci_tbl[] = {
1428 .subvendor = PCI_ANY_ID,
1429 .subdevice = PCI_ANY_ID,
1434 .subvendor = PCI_ANY_ID,
1435 .subdevice = PCI_ANY_ID,
1437 /* --- end of list --- */
1440 MODULE_DEVICE_TABLE(pci, cx23885_pci_tbl);
1442 static struct pci_driver cx23885_pci_driver = {
1444 .id_table = cx23885_pci_tbl,
1445 .probe = cx23885_initdev,
1446 .remove = __devexit_p(cx23885_finidev),
1452 static int cx23885_init(void)
1454 printk(KERN_INFO "cx23885 driver version %d.%d.%d loaded\n",
1455 (CX23885_VERSION_CODE >> 16) & 0xff,
1456 (CX23885_VERSION_CODE >> 8) & 0xff,
1457 CX23885_VERSION_CODE & 0xff);
1459 printk(KERN_INFO "cx23885: snapshot date %04d-%02d-%02d\n",
1460 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1462 return pci_register_driver(&cx23885_pci_driver);
1465 static void cx23885_fini(void)
1467 pci_unregister_driver(&cx23885_pci_driver);
1470 module_init(cx23885_init);
1471 module_exit(cx23885_fini);
1473 /* ----------------------------------------------------------- */
1478 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off