3 * Support for the mpeg transport stream transfers
4 * PCI function #2 of the cx2388x.
6 * (c) 2004 Jelle Foks <jelle@foks.8m.com>
7 * (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au>
8 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
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.
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.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/init.h>
28 #include <linux/device.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/interrupt.h>
31 #include <linux/dma-mapping.h>
32 #include <asm/delay.h>
36 /* ------------------------------------------------------------------ */
38 MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards");
39 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>");
40 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
41 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
42 MODULE_LICENSE("GPL");
44 static unsigned int debug
= 0;
45 module_param(debug
,int,0644);
46 MODULE_PARM_DESC(debug
,"enable debug messages [mpeg]");
48 #define dprintk(level,fmt, arg...) if (debug >= level) \
49 printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg)
51 #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \
52 printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg)
54 #if defined(CONFIG_MODULES) && defined(MODULE)
55 static void request_module_async(struct work_struct
*work
)
57 struct cx8802_dev
*dev
=container_of(work
, struct cx8802_dev
, request_module_wk
);
59 if (cx88_boards
[dev
->core
->board
].mpeg
& CX88_MPEG_DVB
)
60 request_module("cx88-dvb");
61 if (cx88_boards
[dev
->core
->board
].mpeg
& CX88_MPEG_BLACKBIRD
)
62 request_module("cx88-blackbird");
65 static void request_modules(struct cx8802_dev
*dev
)
67 INIT_WORK(&dev
->request_module_wk
, request_module_async
);
68 schedule_work(&dev
->request_module_wk
);
71 #define request_modules(dev)
72 #endif /* CONFIG_MODULES */
75 static LIST_HEAD(cx8802_devlist
);
76 /* ------------------------------------------------------------------ */
78 static int cx8802_start_dma(struct cx8802_dev
*dev
,
79 struct cx88_dmaqueue
*q
,
80 struct cx88_buffer
*buf
)
82 struct cx88_core
*core
= dev
->core
;
84 dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev
->width
, dev
->height
, buf
->vb
.field
);
86 /* setup fifo + format */
87 cx88_sram_channel_setup(core
, &cx88_sram_channels
[SRAM_CH28
],
88 dev
->ts_packet_size
, buf
->risc
.dma
);
90 /* write TS length to chip */
91 cx_write(MO_TS_LNGTH
, buf
->vb
.width
);
93 /* FIXME: this needs a review.
94 * also: move to cx88-blackbird + cx88-dvb source files? */
96 dprintk( 1, "core->active_type_id = 0x%08x\n", core
->active_type_id
);
98 if ( (core
->active_type_id
== CX88_MPEG_DVB
) &&
99 (cx88_boards
[core
->board
].mpeg
& CX88_MPEG_DVB
) ) {
101 dprintk( 1, "cx8802_start_dma doing .dvb\n");
102 /* negedge driven & software reset */
103 cx_write(TS_GEN_CNTRL
, 0x0040 | dev
->ts_gen_cntrl
);
105 cx_write(MO_PINMUX_IO
, 0x00);
106 cx_write(TS_HW_SOP_CNTRL
,0x47<<16|188<<4|0x01);
107 switch (core
->board
) {
108 case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q
:
109 case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T
:
110 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD
:
111 case CX88_BOARD_PCHDTV_HD5500
:
112 cx_write(TS_SOP_STAT
, 1<<13);
114 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1
:
115 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1
:
116 cx_write(MO_PINMUX_IO
, 0x88); /* Enable MPEG parallel IO and video signal pins */
119 case CX88_BOARD_HAUPPAUGE_HVR1300
:
122 cx_write(TS_SOP_STAT
, 0x00);
125 cx_write(TS_GEN_CNTRL
, dev
->ts_gen_cntrl
);
127 } else if ( (core
->active_type_id
== CX88_MPEG_BLACKBIRD
) &&
128 (cx88_boards
[core
->board
].mpeg
& CX88_MPEG_BLACKBIRD
) ) {
129 dprintk( 1, "cx8802_start_dma doing .blackbird\n");
130 cx_write(MO_PINMUX_IO
, 0x88); /* enable MPEG parallel IO */
132 cx_write(TS_GEN_CNTRL
, 0x46); /* punctured clock TS & posedge driven & software reset */
135 cx_write(TS_HW_SOP_CNTRL
, 0x408); /* mpeg start byte */
136 cx_write(TS_VALERR_CNTRL
, 0x2000);
138 cx_write(TS_GEN_CNTRL
, 0x06); /* punctured clock TS & posedge driven */
141 printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __FUNCTION__
,
142 cx88_boards
[core
->board
].mpeg
);
147 cx_write(MO_TS_GPCNTRL
, GP_COUNT_CONTROL_RESET
);
151 dprintk( 1, "setting the interrupt mask\n" );
152 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
| 0x04);
153 cx_set(MO_TS_INTMSK
, 0x1f0011);
156 cx_set(MO_DEV_CNTRL2
, (1<<5));
157 cx_set(MO_TS_DMACNTRL
, 0x11);
161 static int cx8802_stop_dma(struct cx8802_dev
*dev
)
163 struct cx88_core
*core
= dev
->core
;
164 dprintk( 1, "cx8802_stop_dma\n" );
167 cx_clear(MO_TS_DMACNTRL
, 0x11);
170 cx_clear(MO_PCI_INTMSK
, 0x000004);
171 cx_clear(MO_TS_INTMSK
, 0x1f0011);
173 /* Reset the controller */
174 cx_write(TS_GEN_CNTRL
, 0xcd);
178 static int cx8802_restart_queue(struct cx8802_dev
*dev
,
179 struct cx88_dmaqueue
*q
)
181 struct cx88_buffer
*buf
;
182 struct list_head
*item
;
184 dprintk( 1, "cx8802_restart_queue\n" );
185 if (list_empty(&q
->active
))
187 struct cx88_buffer
*prev
;
190 dprintk(1, "cx8802_restart_queue: queue is empty\n" );
193 if (list_empty(&q
->queued
))
195 buf
= list_entry(q
->queued
.next
, struct cx88_buffer
, vb
.queue
);
197 list_del(&buf
->vb
.queue
);
198 list_add_tail(&buf
->vb
.queue
,&q
->active
);
199 cx8802_start_dma(dev
, q
, buf
);
200 buf
->vb
.state
= STATE_ACTIVE
;
201 buf
->count
= q
->count
++;
202 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
203 dprintk(1,"[%p/%d] restart_queue - first active\n",
206 } else if (prev
->vb
.width
== buf
->vb
.width
&&
207 prev
->vb
.height
== buf
->vb
.height
&&
208 prev
->fmt
== buf
->fmt
) {
209 list_del(&buf
->vb
.queue
);
210 list_add_tail(&buf
->vb
.queue
,&q
->active
);
211 buf
->vb
.state
= STATE_ACTIVE
;
212 buf
->count
= q
->count
++;
213 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
214 dprintk(1,"[%p/%d] restart_queue - move to active\n",
224 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
225 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
227 cx8802_start_dma(dev
, q
, buf
);
228 list_for_each(item
,&q
->active
) {
229 buf
= list_entry(item
, struct cx88_buffer
, vb
.queue
);
230 buf
->count
= q
->count
++;
232 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
236 /* ------------------------------------------------------------------ */
238 int cx8802_buf_prepare(struct videobuf_queue
*q
, struct cx8802_dev
*dev
,
239 struct cx88_buffer
*buf
, enum v4l2_field field
)
241 int size
= dev
->ts_packet_size
* dev
->ts_packet_count
;
244 dprintk(1, "%s: %p\n", __FUNCTION__
, buf
);
245 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< size
)
248 if (STATE_NEEDS_INIT
== buf
->vb
.state
) {
249 buf
->vb
.width
= dev
->ts_packet_size
;
250 buf
->vb
.height
= dev
->ts_packet_count
;
252 buf
->vb
.field
= field
/*V4L2_FIELD_TOP*/;
254 if (0 != (rc
= videobuf_iolock(q
,&buf
->vb
,NULL
)))
256 cx88_risc_databuffer(dev
->pci
, &buf
->risc
,
258 buf
->vb
.width
, buf
->vb
.height
);
260 buf
->vb
.state
= STATE_PREPARED
;
264 cx88_free_buffer(q
,buf
);
268 void cx8802_buf_queue(struct cx8802_dev
*dev
, struct cx88_buffer
*buf
)
270 struct cx88_buffer
*prev
;
271 struct cx88_dmaqueue
*cx88q
= &dev
->mpegq
;
273 dprintk( 1, "cx8802_buf_queue\n" );
274 /* add jump to stopper */
275 buf
->risc
.jmp
[0] = cpu_to_le32(RISC_JUMP
| RISC_IRQ1
| RISC_CNT_INC
);
276 buf
->risc
.jmp
[1] = cpu_to_le32(cx88q
->stopper
.dma
);
278 if (list_empty(&cx88q
->active
)) {
279 dprintk( 1, "queue is empty - first active\n" );
280 list_add_tail(&buf
->vb
.queue
,&cx88q
->active
);
281 cx8802_start_dma(dev
, cx88q
, buf
);
282 buf
->vb
.state
= STATE_ACTIVE
;
283 buf
->count
= cx88q
->count
++;
284 mod_timer(&cx88q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
285 dprintk(1,"[%p/%d] %s - first active\n",
286 buf
, buf
->vb
.i
, __FUNCTION__
);
289 dprintk( 1, "queue is not empty - append to active\n" );
290 prev
= list_entry(cx88q
->active
.prev
, struct cx88_buffer
, vb
.queue
);
291 list_add_tail(&buf
->vb
.queue
,&cx88q
->active
);
292 buf
->vb
.state
= STATE_ACTIVE
;
293 buf
->count
= cx88q
->count
++;
294 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
295 dprintk( 1, "[%p/%d] %s - append to active\n",
296 buf
, buf
->vb
.i
, __FUNCTION__
);
300 /* ----------------------------------------------------------- */
302 static void do_cancel_buffers(struct cx8802_dev
*dev
, char *reason
, int restart
)
304 struct cx88_dmaqueue
*q
= &dev
->mpegq
;
305 struct cx88_buffer
*buf
;
308 spin_lock_irqsave(&dev
->slock
,flags
);
309 while (!list_empty(&q
->active
)) {
310 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
311 list_del(&buf
->vb
.queue
);
312 buf
->vb
.state
= STATE_ERROR
;
313 wake_up(&buf
->vb
.done
);
314 dprintk(1,"[%p/%d] %s - dma=0x%08lx\n",
315 buf
, buf
->vb
.i
, reason
, (unsigned long)buf
->risc
.dma
);
319 dprintk(1, "restarting queue\n" );
320 cx8802_restart_queue(dev
,q
);
322 spin_unlock_irqrestore(&dev
->slock
,flags
);
325 void cx8802_cancel_buffers(struct cx8802_dev
*dev
)
327 struct cx88_dmaqueue
*q
= &dev
->mpegq
;
329 dprintk( 1, "cx8802_cancel_buffers" );
330 del_timer_sync(&q
->timeout
);
331 cx8802_stop_dma(dev
);
332 do_cancel_buffers(dev
,"cancel",0);
335 static void cx8802_timeout(unsigned long data
)
337 struct cx8802_dev
*dev
= (struct cx8802_dev
*)data
;
339 dprintk(1, "%s\n",__FUNCTION__
);
342 cx88_sram_channel_dump(dev
->core
, &cx88_sram_channels
[SRAM_CH28
]);
343 cx8802_stop_dma(dev
);
344 do_cancel_buffers(dev
,"timeout",1);
347 static char *cx88_mpeg_irqs
[32] = {
348 "ts_risci1", NULL
, NULL
, NULL
,
349 "ts_risci2", NULL
, NULL
, NULL
,
350 "ts_oflow", NULL
, NULL
, NULL
,
351 "ts_sync", NULL
, NULL
, NULL
,
352 "opc_err", "par_err", "rip_err", "pci_abort",
356 static void cx8802_mpeg_irq(struct cx8802_dev
*dev
)
358 struct cx88_core
*core
= dev
->core
;
359 u32 status
, mask
, count
;
361 dprintk( 1, "cx8802_mpeg_irq\n" );
362 status
= cx_read(MO_TS_INTSTAT
);
363 mask
= cx_read(MO_TS_INTMSK
);
364 if (0 == (status
& mask
))
367 cx_write(MO_TS_INTSTAT
, status
);
369 if (debug
|| (status
& mask
& ~0xff))
370 cx88_print_irqbits(core
->name
, "irq mpeg ",
371 cx88_mpeg_irqs
, ARRAY_SIZE(cx88_mpeg_irqs
),
374 /* risc op code error */
375 if (status
& (1 << 16)) {
376 printk(KERN_WARNING
"%s: mpeg risc op code error\n",core
->name
);
377 cx_clear(MO_TS_DMACNTRL
, 0x11);
378 cx88_sram_channel_dump(dev
->core
, &cx88_sram_channels
[SRAM_CH28
]);
383 dprintk( 1, "wake up\n" );
384 spin_lock(&dev
->slock
);
385 count
= cx_read(MO_TS_GPCNT
);
386 cx88_wakeup(dev
->core
, &dev
->mpegq
, count
);
387 spin_unlock(&dev
->slock
);
392 spin_lock(&dev
->slock
);
393 cx8802_restart_queue(dev
,&dev
->mpegq
);
394 spin_unlock(&dev
->slock
);
397 /* other general errors */
398 if (status
& 0x1f0100) {
399 dprintk( 0, "general errors: 0x%08x\n", status
& 0x1f0100 );
400 spin_lock(&dev
->slock
);
401 cx8802_stop_dma(dev
);
402 cx8802_restart_queue(dev
,&dev
->mpegq
);
403 spin_unlock(&dev
->slock
);
407 #define MAX_IRQ_LOOP 10
409 static irqreturn_t
cx8802_irq(int irq
, void *dev_id
)
411 struct cx8802_dev
*dev
= dev_id
;
412 struct cx88_core
*core
= dev
->core
;
414 int loop
, handled
= 0;
416 for (loop
= 0; loop
< MAX_IRQ_LOOP
; loop
++) {
417 status
= cx_read(MO_PCI_INTSTAT
) & (core
->pci_irqmask
| 0x04);
420 dprintk( 1, "cx8802_irq\n" );
421 dprintk( 1, " loop: %d/%d\n", loop
, MAX_IRQ_LOOP
);
422 dprintk( 1, " status: %d\n", status
);
424 cx_write(MO_PCI_INTSTAT
, status
);
426 if (status
& core
->pci_irqmask
)
427 cx88_core_irq(core
,status
);
429 cx8802_mpeg_irq(dev
);
431 if (MAX_IRQ_LOOP
== loop
) {
432 dprintk( 0, "clearing mask\n" );
433 printk(KERN_WARNING
"%s/0: irq loop -- clearing mask\n",
435 cx_write(MO_PCI_INTMSK
,0);
439 return IRQ_RETVAL(handled
);
442 /* ----------------------------------------------------------- */
445 int cx8802_init_common(struct cx8802_dev
*dev
)
447 struct cx88_core
*core
= dev
->core
;
451 if (pci_enable_device(dev
->pci
))
453 pci_set_master(dev
->pci
);
454 if (!pci_dma_supported(dev
->pci
,DMA_32BIT_MASK
)) {
455 printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev
->core
->name
);
459 pci_read_config_byte(dev
->pci
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
460 pci_read_config_byte(dev
->pci
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
461 printk(KERN_INFO
"%s/2: found at %s, rev: %d, irq: %d, "
462 "latency: %d, mmio: 0x%llx\n", dev
->core
->name
,
463 pci_name(dev
->pci
), dev
->pci_rev
, dev
->pci
->irq
,
464 dev
->pci_lat
,(unsigned long long)pci_resource_start(dev
->pci
,0));
466 /* initialize driver struct */
467 spin_lock_init(&dev
->slock
);
470 INIT_LIST_HEAD(&dev
->mpegq
.active
);
471 INIT_LIST_HEAD(&dev
->mpegq
.queued
);
472 dev
->mpegq
.timeout
.function
= cx8802_timeout
;
473 dev
->mpegq
.timeout
.data
= (unsigned long)dev
;
474 init_timer(&dev
->mpegq
.timeout
);
475 cx88_risc_stopper(dev
->pci
,&dev
->mpegq
.stopper
,
476 MO_TS_DMACNTRL
,0x11,0x00);
479 err
= request_irq(dev
->pci
->irq
, cx8802_irq
,
480 IRQF_SHARED
| IRQF_DISABLED
, dev
->core
->name
, dev
);
482 printk(KERN_ERR
"%s: can't get IRQ %d\n",
483 dev
->core
->name
, dev
->pci
->irq
);
486 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
);
488 /* everything worked */
489 pci_set_drvdata(dev
->pci
,dev
);
493 void cx8802_fini_common(struct cx8802_dev
*dev
)
495 dprintk( 2, "cx8802_fini_common\n" );
496 cx8802_stop_dma(dev
);
497 pci_disable_device(dev
->pci
);
499 /* unregister stuff */
500 free_irq(dev
->pci
->irq
, dev
);
501 pci_set_drvdata(dev
->pci
, NULL
);
504 btcx_riscmem_free(dev
->pci
,&dev
->mpegq
.stopper
);
507 /* ----------------------------------------------------------- */
509 int cx8802_suspend_common(struct pci_dev
*pci_dev
, pm_message_t state
)
511 struct cx8802_dev
*dev
= pci_get_drvdata(pci_dev
);
512 struct cx88_core
*core
= dev
->core
;
515 spin_lock(&dev
->slock
);
516 if (!list_empty(&dev
->mpegq
.active
)) {
517 dprintk( 2, "suspend\n" );
518 printk("%s: suspend mpeg\n", core
->name
);
519 cx8802_stop_dma(dev
);
520 del_timer(&dev
->mpegq
.timeout
);
522 spin_unlock(&dev
->slock
);
524 /* FIXME -- shutdown device */
525 cx88_shutdown(dev
->core
);
527 pci_save_state(pci_dev
);
528 if (0 != pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
))) {
529 pci_disable_device(pci_dev
);
530 dev
->state
.disabled
= 1;
535 int cx8802_resume_common(struct pci_dev
*pci_dev
)
537 struct cx8802_dev
*dev
= pci_get_drvdata(pci_dev
);
538 struct cx88_core
*core
= dev
->core
;
541 if (dev
->state
.disabled
) {
542 err
=pci_enable_device(pci_dev
);
544 printk(KERN_ERR
"%s: can't enable device\n",
548 dev
->state
.disabled
= 0;
550 err
=pci_set_power_state(pci_dev
, PCI_D0
);
552 printk(KERN_ERR
"%s: can't enable device\n",
554 pci_disable_device(pci_dev
);
555 dev
->state
.disabled
= 1;
559 pci_restore_state(pci_dev
);
561 /* FIXME: re-initialize hardware */
562 cx88_reset(dev
->core
);
564 /* restart video+vbi capture */
565 spin_lock(&dev
->slock
);
566 if (!list_empty(&dev
->mpegq
.active
)) {
567 printk("%s: resume mpeg\n", core
->name
);
568 cx8802_restart_queue(dev
,&dev
->mpegq
);
570 spin_unlock(&dev
->slock
);
575 struct cx8802_dev
* cx8802_get_device(struct inode
*inode
)
577 int minor
= iminor(inode
);
578 struct cx8802_dev
*h
= NULL
;
579 struct list_head
*list
;
581 list_for_each(list
,&cx8802_devlist
) {
582 h
= list_entry(list
, struct cx8802_dev
, devlist
);
583 if (h
->mpeg_dev
&& h
->mpeg_dev
->minor
== minor
)
590 struct cx8802_driver
* cx8802_get_driver(struct cx8802_dev
*dev
, enum cx88_board_type btype
)
592 struct cx8802_dev
*h
= NULL
;
593 struct cx8802_driver
*d
= NULL
;
594 struct list_head
*list
;
595 struct list_head
*list2
;
597 list_for_each(list
,&cx8802_devlist
) {
598 h
= list_entry(list
, struct cx8802_dev
, devlist
);
602 list_for_each(list2
, &h
->drvlist
.devlist
) {
603 d
= list_entry(list2
, struct cx8802_driver
, devlist
);
605 /* only unregister the correct driver type */
606 if (d
->type_id
== btype
) {
615 /* Driver asked for hardware access. */
616 static int cx8802_request_acquire(struct cx8802_driver
*drv
)
618 struct cx88_core
*core
= drv
->core
;
620 /* Fail a request for hardware if the device is busy. */
621 if (core
->active_type_id
!= CX88_BOARD_NONE
)
624 if (drv
->advise_acquire
)
626 core
->active_type_id
= drv
->type_id
;
627 drv
->advise_acquire(drv
);
629 mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__
, cx_read(MO_GP0_IO
));
635 /* Driver asked to release hardware. */
636 static int cx8802_request_release(struct cx8802_driver
*drv
)
638 struct cx88_core
*core
= drv
->core
;
640 if (drv
->advise_release
)
642 drv
->advise_release(drv
);
643 core
->active_type_id
= CX88_BOARD_NONE
;
644 mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__
, cx_read(MO_GP0_IO
));
650 static int cx8802_check_driver(struct cx8802_driver
*drv
)
655 if ((drv
->type_id
!= CX88_MPEG_DVB
) &&
656 (drv
->type_id
!= CX88_MPEG_BLACKBIRD
))
659 if ((drv
->hw_access
!= CX8802_DRVCTL_SHARED
) &&
660 (drv
->hw_access
!= CX8802_DRVCTL_EXCLUSIVE
))
663 if ((drv
->probe
== NULL
) ||
664 (drv
->remove
== NULL
) ||
665 (drv
->advise_acquire
== NULL
) ||
666 (drv
->advise_release
== NULL
))
672 int cx8802_register_driver(struct cx8802_driver
*drv
)
674 struct cx8802_dev
*h
;
675 struct cx8802_driver
*driver
;
676 struct list_head
*list
;
679 printk(KERN_INFO
"%s() ->registering driver type=%s access=%s\n", __FUNCTION__
,
680 drv
->type_id
== CX88_MPEG_DVB
? "dvb" : "blackbird",
681 drv
->hw_access
== CX8802_DRVCTL_SHARED
? "shared" : "exclusive");
683 if ((err
= cx8802_check_driver(drv
)) != 0) {
684 printk(KERN_INFO
"%s() cx8802_driver is invalid\n", __FUNCTION__
);
688 list_for_each(list
,&cx8802_devlist
) {
689 h
= list_entry(list
, struct cx8802_dev
, devlist
);
691 printk(KERN_INFO
"CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n",
692 h
->core
->name
,h
->pci
->subsystem_vendor
,
693 h
->pci
->subsystem_device
,cx88_boards
[h
->core
->board
].name
,
696 /* Bring up a new struct for each driver instance */
697 driver
= kzalloc(sizeof(*drv
),GFP_KERNEL
);
701 /* Snapshot of the driver registration data */
703 drv
->suspend
= cx8802_suspend_common
;
704 drv
->resume
= cx8802_resume_common
;
705 drv
->request_acquire
= cx8802_request_acquire
;
706 drv
->request_release
= cx8802_request_release
;
707 memcpy(driver
, drv
, sizeof(*driver
));
709 err
= drv
->probe(driver
);
712 mutex_lock(&drv
->core
->lock
);
713 list_add_tail(&driver
->devlist
,&h
->drvlist
.devlist
);
714 mutex_unlock(&drv
->core
->lock
);
716 printk(KERN_ERR
"%s() ->probe failed err = %d\n", __FUNCTION__
, err
);
728 int cx8802_unregister_driver(struct cx8802_driver
*drv
)
730 struct cx8802_dev
*h
;
731 struct cx8802_driver
*d
;
732 struct list_head
*list
;
733 struct list_head
*list2
, *q
;
736 printk(KERN_INFO
"%s() ->unregistering driver type=%s\n", __FUNCTION__
,
737 drv
->type_id
== CX88_MPEG_DVB
? "dvb" : "blackbird");
739 list_for_each(list
,&cx8802_devlist
) {
741 h
= list_entry(list
, struct cx8802_dev
, devlist
);
743 printk(KERN_INFO
"CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n",
744 h
->core
->name
,h
->pci
->subsystem_vendor
,
745 h
->pci
->subsystem_device
,cx88_boards
[h
->core
->board
].name
,
748 list_for_each_safe(list2
, q
, &h
->drvlist
.devlist
) {
749 d
= list_entry(list2
, struct cx8802_driver
, devlist
);
751 /* only unregister the correct driver type */
752 if (d
->type_id
!= drv
->type_id
)
757 mutex_lock(&drv
->core
->lock
);
759 mutex_unlock(&drv
->core
->lock
);
761 printk(KERN_ERR
"%s() ->remove failed err = %d\n", __FUNCTION__
, err
);
770 /* ----------------------------------------------------------- */
771 static int __devinit
cx8802_probe(struct pci_dev
*pci_dev
,
772 const struct pci_device_id
*pci_id
)
774 struct cx8802_dev
*dev
;
775 struct cx88_core
*core
;
779 core
= cx88_core_get(pci_dev
);
783 printk("%s/2: cx2388x 8802 Driver Manager\n", core
->name
);
786 if (!cx88_boards
[core
->board
].mpeg
)
790 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
796 err
= cx8802_init_common(dev
);
800 INIT_LIST_HEAD(&dev
->drvlist
.devlist
);
801 list_add_tail(&dev
->devlist
,&cx8802_devlist
);
803 /* Maintain a reference so cx88-video can query the 8802 device. */
806 /* now autoload cx88-dvb or cx88-blackbird */
807 request_modules(dev
);
813 cx88_core_put(core
,pci_dev
);
817 static void __devexit
cx8802_remove(struct pci_dev
*pci_dev
)
819 struct cx8802_dev
*dev
;
820 struct cx8802_driver
*h
;
821 struct list_head
*list
;
823 dev
= pci_get_drvdata(pci_dev
);
825 dprintk( 1, "%s\n", __FUNCTION__
);
827 list_for_each(list
,&dev
->drvlist
.devlist
) {
828 h
= list_entry(list
, struct cx8802_driver
, devlist
);
829 dprintk( 1, " ->driver\n");
830 if (h
->remove
== NULL
) {
831 printk(KERN_ERR
"%s .. skipping driver, no probe function\n", __FUNCTION__
);
834 printk(KERN_INFO
"%s .. Removing driver type %d\n", __FUNCTION__
, h
->type_id
);
835 cx8802_unregister_driver(h
);
836 list_del(&dev
->drvlist
.devlist
);
839 /* Destroy any 8802 reference. */
840 dev
->core
->dvbdev
= NULL
;
843 cx8802_fini_common(dev
);
844 cx88_core_put(dev
->core
,dev
->pci
);
848 static struct pci_device_id cx8802_pci_tbl
[] = {
852 .subvendor
= PCI_ANY_ID
,
853 .subdevice
= PCI_ANY_ID
,
855 /* --- end of list --- */
858 MODULE_DEVICE_TABLE(pci
, cx8802_pci_tbl
);
860 static struct pci_driver cx8802_pci_driver
= {
861 .name
= "cx88-mpeg driver manager",
862 .id_table
= cx8802_pci_tbl
,
863 .probe
= cx8802_probe
,
864 .remove
= __devexit_p(cx8802_remove
),
867 static int cx8802_init(void)
869 printk(KERN_INFO
"cx2388x cx88-mpeg Driver Manager version %d.%d.%d loaded\n",
870 (CX88_VERSION_CODE
>> 16) & 0xff,
871 (CX88_VERSION_CODE
>> 8) & 0xff,
872 CX88_VERSION_CODE
& 0xff);
874 printk(KERN_INFO
"cx2388x: snapshot date %04d-%02d-%02d\n",
875 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
877 return pci_register_driver(&cx8802_pci_driver
);
880 static void cx8802_fini(void)
882 pci_unregister_driver(&cx8802_pci_driver
);
885 module_init(cx8802_init
);
886 module_exit(cx8802_fini
);
887 EXPORT_SYMBOL(cx8802_buf_prepare
);
888 EXPORT_SYMBOL(cx8802_buf_queue
);
889 EXPORT_SYMBOL(cx8802_cancel_buffers
);
891 EXPORT_SYMBOL(cx8802_init_common
);
892 EXPORT_SYMBOL(cx8802_fini_common
);
894 EXPORT_SYMBOL(cx8802_register_driver
);
895 EXPORT_SYMBOL(cx8802_unregister_driver
);
896 EXPORT_SYMBOL(cx8802_get_device
);
897 EXPORT_SYMBOL(cx8802_get_driver
);
898 /* ----------------------------------------------------------- */
903 * 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