3 * Support for the mpeg transport stream transfers
4 * PCI function #2 of the cx2388x.
6 * (c) 2004 Jelle Foks <jelle@foks.us>
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/init.h>
27 #include <linux/device.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/interrupt.h>
30 #include <asm/delay.h>
34 /* ------------------------------------------------------------------ */
36 MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards");
37 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>");
38 MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
42 static unsigned int debug
;
43 module_param(debug
,int,0644);
44 MODULE_PARM_DESC(debug
,"enable debug messages [mpeg]");
46 #define dprintk(level,fmt, arg...) if (debug >= level) \
47 printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg)
49 #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \
50 printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg)
52 #if defined(CONFIG_MODULES) && defined(MODULE)
53 static void request_module_async(struct work_struct
*work
)
55 struct cx8802_dev
*dev
=container_of(work
, struct cx8802_dev
, request_module_wk
);
57 if (dev
->core
->board
.mpeg
& CX88_MPEG_DVB
)
58 request_module("cx88-dvb");
59 if (dev
->core
->board
.mpeg
& CX88_MPEG_BLACKBIRD
)
60 request_module("cx88-blackbird");
63 static void request_modules(struct cx8802_dev
*dev
)
65 INIT_WORK(&dev
->request_module_wk
, request_module_async
);
66 schedule_work(&dev
->request_module_wk
);
69 #define request_modules(dev)
70 #endif /* CONFIG_MODULES */
73 static LIST_HEAD(cx8802_devlist
);
74 /* ------------------------------------------------------------------ */
76 static int cx8802_start_dma(struct cx8802_dev
*dev
,
77 struct cx88_dmaqueue
*q
,
78 struct cx88_buffer
*buf
)
80 struct cx88_core
*core
= dev
->core
;
82 dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n",
83 buf
->vb
.width
, buf
->vb
.height
, buf
->vb
.field
);
85 /* setup fifo + format */
86 cx88_sram_channel_setup(core
, &cx88_sram_channels
[SRAM_CH28
],
87 dev
->ts_packet_size
, buf
->risc
.dma
);
89 /* write TS length to chip */
90 cx_write(MO_TS_LNGTH
, buf
->vb
.width
);
92 /* FIXME: this needs a review.
93 * also: move to cx88-blackbird + cx88-dvb source files? */
95 dprintk( 1, "core->active_type_id = 0x%08x\n", core
->active_type_id
);
97 if ( (core
->active_type_id
== CX88_MPEG_DVB
) &&
98 (core
->board
.mpeg
& CX88_MPEG_DVB
) ) {
100 dprintk( 1, "cx8802_start_dma doing .dvb\n");
101 /* negedge driven & software reset */
102 cx_write(TS_GEN_CNTRL
, 0x0040 | dev
->ts_gen_cntrl
);
104 cx_write(MO_PINMUX_IO
, 0x00);
105 cx_write(TS_HW_SOP_CNTRL
, 0x47<<16|188<<4|0x01);
106 switch (core
->boardnr
) {
107 case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q
:
108 case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T
:
109 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD
:
110 case CX88_BOARD_PCHDTV_HD5500
:
111 cx_write(TS_SOP_STAT
, 1<<13);
113 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1
:
114 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1
:
115 cx_write(MO_PINMUX_IO
, 0x88); /* Enable MPEG parallel IO and video signal pins */
118 case CX88_BOARD_HAUPPAUGE_HVR1300
:
119 /* Enable MPEG parallel IO and video signal pins */
120 cx_write(MO_PINMUX_IO
, 0x88);
121 cx_write(TS_SOP_STAT
, 0);
122 cx_write(TS_VALERR_CNTRL
, 0);
124 case CX88_BOARD_PINNACLE_PCTV_HD_800i
:
125 /* Enable MPEG parallel IO and video signal pins */
126 cx_write(MO_PINMUX_IO
, 0x88);
127 cx_write(TS_HW_SOP_CNTRL
, (0x47 << 16) | (188 << 4));
128 dev
->ts_gen_cntrl
= 5;
129 cx_write(TS_SOP_STAT
, 0);
130 cx_write(TS_VALERR_CNTRL
, 0);
134 cx_write(TS_SOP_STAT
, 0x00);
137 cx_write(TS_GEN_CNTRL
, dev
->ts_gen_cntrl
);
139 } else if ( (core
->active_type_id
== CX88_MPEG_BLACKBIRD
) &&
140 (core
->board
.mpeg
& CX88_MPEG_BLACKBIRD
) ) {
141 dprintk( 1, "cx8802_start_dma doing .blackbird\n");
142 cx_write(MO_PINMUX_IO
, 0x88); /* enable MPEG parallel IO */
144 cx_write(TS_GEN_CNTRL
, 0x46); /* punctured clock TS & posedge driven & software reset */
147 cx_write(TS_HW_SOP_CNTRL
, 0x408); /* mpeg start byte */
148 cx_write(TS_VALERR_CNTRL
, 0x2000);
150 cx_write(TS_GEN_CNTRL
, 0x06); /* punctured clock TS & posedge driven */
153 printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__
,
159 cx_write(MO_TS_GPCNTRL
, GP_COUNT_CONTROL_RESET
);
163 dprintk( 1, "setting the interrupt mask\n" );
164 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
| PCI_INT_TSINT
);
165 cx_set(MO_TS_INTMSK
, 0x1f0011);
168 cx_set(MO_DEV_CNTRL2
, (1<<5));
169 cx_set(MO_TS_DMACNTRL
, 0x11);
173 static int cx8802_stop_dma(struct cx8802_dev
*dev
)
175 struct cx88_core
*core
= dev
->core
;
176 dprintk( 1, "cx8802_stop_dma\n" );
179 cx_clear(MO_TS_DMACNTRL
, 0x11);
182 cx_clear(MO_PCI_INTMSK
, PCI_INT_TSINT
);
183 cx_clear(MO_TS_INTMSK
, 0x1f0011);
185 /* Reset the controller */
186 cx_write(TS_GEN_CNTRL
, 0xcd);
190 static int cx8802_restart_queue(struct cx8802_dev
*dev
,
191 struct cx88_dmaqueue
*q
)
193 struct cx88_buffer
*buf
;
195 dprintk( 1, "cx8802_restart_queue\n" );
196 if (list_empty(&q
->active
))
198 struct cx88_buffer
*prev
;
201 dprintk(1, "cx8802_restart_queue: queue is empty\n" );
204 if (list_empty(&q
->queued
))
206 buf
= list_entry(q
->queued
.next
, struct cx88_buffer
, vb
.queue
);
208 list_del(&buf
->vb
.queue
);
209 list_add_tail(&buf
->vb
.queue
,&q
->active
);
210 cx8802_start_dma(dev
, q
, buf
);
211 buf
->vb
.state
= VIDEOBUF_ACTIVE
;
212 buf
->count
= q
->count
++;
213 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
214 dprintk(1,"[%p/%d] restart_queue - first active\n",
217 } else if (prev
->vb
.width
== buf
->vb
.width
&&
218 prev
->vb
.height
== buf
->vb
.height
&&
219 prev
->fmt
== buf
->fmt
) {
220 list_del(&buf
->vb
.queue
);
221 list_add_tail(&buf
->vb
.queue
,&q
->active
);
222 buf
->vb
.state
= VIDEOBUF_ACTIVE
;
223 buf
->count
= q
->count
++;
224 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
225 dprintk(1,"[%p/%d] restart_queue - move to active\n",
235 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
236 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
238 cx8802_start_dma(dev
, q
, buf
);
239 list_for_each_entry(buf
, &q
->active
, vb
.queue
)
240 buf
->count
= q
->count
++;
241 mod_timer(&q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
245 /* ------------------------------------------------------------------ */
247 int cx8802_buf_prepare(struct videobuf_queue
*q
, struct cx8802_dev
*dev
,
248 struct cx88_buffer
*buf
, enum v4l2_field field
)
250 int size
= dev
->ts_packet_size
* dev
->ts_packet_count
;
251 struct videobuf_dmabuf
*dma
=videobuf_to_dma(&buf
->vb
);
254 dprintk(1, "%s: %p\n", __func__
, buf
);
255 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< size
)
258 if (VIDEOBUF_NEEDS_INIT
== buf
->vb
.state
) {
259 buf
->vb
.width
= dev
->ts_packet_size
;
260 buf
->vb
.height
= dev
->ts_packet_count
;
262 buf
->vb
.field
= field
/*V4L2_FIELD_TOP*/;
264 if (0 != (rc
= videobuf_iolock(q
,&buf
->vb
,NULL
)))
266 cx88_risc_databuffer(dev
->pci
, &buf
->risc
,
268 buf
->vb
.width
, buf
->vb
.height
, 0);
270 buf
->vb
.state
= VIDEOBUF_PREPARED
;
274 cx88_free_buffer(q
,buf
);
278 void cx8802_buf_queue(struct cx8802_dev
*dev
, struct cx88_buffer
*buf
)
280 struct cx88_buffer
*prev
;
281 struct cx88_dmaqueue
*cx88q
= &dev
->mpegq
;
283 dprintk( 1, "cx8802_buf_queue\n" );
284 /* add jump to stopper */
285 buf
->risc
.jmp
[0] = cpu_to_le32(RISC_JUMP
| RISC_IRQ1
| RISC_CNT_INC
);
286 buf
->risc
.jmp
[1] = cpu_to_le32(cx88q
->stopper
.dma
);
288 if (list_empty(&cx88q
->active
)) {
289 dprintk( 1, "queue is empty - first active\n" );
290 list_add_tail(&buf
->vb
.queue
,&cx88q
->active
);
291 cx8802_start_dma(dev
, cx88q
, buf
);
292 buf
->vb
.state
= VIDEOBUF_ACTIVE
;
293 buf
->count
= cx88q
->count
++;
294 mod_timer(&cx88q
->timeout
, jiffies
+BUFFER_TIMEOUT
);
295 dprintk(1,"[%p/%d] %s - first active\n",
296 buf
, buf
->vb
.i
, __func__
);
299 dprintk( 1, "queue is not empty - append to active\n" );
300 prev
= list_entry(cx88q
->active
.prev
, struct cx88_buffer
, vb
.queue
);
301 list_add_tail(&buf
->vb
.queue
,&cx88q
->active
);
302 buf
->vb
.state
= VIDEOBUF_ACTIVE
;
303 buf
->count
= cx88q
->count
++;
304 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
305 dprintk( 1, "[%p/%d] %s - append to active\n",
306 buf
, buf
->vb
.i
, __func__
);
310 /* ----------------------------------------------------------- */
312 static void do_cancel_buffers(struct cx8802_dev
*dev
, char *reason
, int restart
)
314 struct cx88_dmaqueue
*q
= &dev
->mpegq
;
315 struct cx88_buffer
*buf
;
318 spin_lock_irqsave(&dev
->slock
,flags
);
319 while (!list_empty(&q
->active
)) {
320 buf
= list_entry(q
->active
.next
, struct cx88_buffer
, vb
.queue
);
321 list_del(&buf
->vb
.queue
);
322 buf
->vb
.state
= VIDEOBUF_ERROR
;
323 wake_up(&buf
->vb
.done
);
324 dprintk(1,"[%p/%d] %s - dma=0x%08lx\n",
325 buf
, buf
->vb
.i
, reason
, (unsigned long)buf
->risc
.dma
);
329 dprintk(1, "restarting queue\n" );
330 cx8802_restart_queue(dev
,q
);
332 spin_unlock_irqrestore(&dev
->slock
,flags
);
335 void cx8802_cancel_buffers(struct cx8802_dev
*dev
)
337 struct cx88_dmaqueue
*q
= &dev
->mpegq
;
339 dprintk( 1, "cx8802_cancel_buffers" );
340 del_timer_sync(&q
->timeout
);
341 cx8802_stop_dma(dev
);
342 do_cancel_buffers(dev
,"cancel",0);
345 static void cx8802_timeout(unsigned long data
)
347 struct cx8802_dev
*dev
= (struct cx8802_dev
*)data
;
349 dprintk(1, "%s\n",__func__
);
352 cx88_sram_channel_dump(dev
->core
, &cx88_sram_channels
[SRAM_CH28
]);
353 cx8802_stop_dma(dev
);
354 do_cancel_buffers(dev
,"timeout",1);
357 static char *cx88_mpeg_irqs
[32] = {
358 "ts_risci1", NULL
, NULL
, NULL
,
359 "ts_risci2", NULL
, NULL
, NULL
,
360 "ts_oflow", NULL
, NULL
, NULL
,
361 "ts_sync", NULL
, NULL
, NULL
,
362 "opc_err", "par_err", "rip_err", "pci_abort",
366 static void cx8802_mpeg_irq(struct cx8802_dev
*dev
)
368 struct cx88_core
*core
= dev
->core
;
369 u32 status
, mask
, count
;
371 dprintk( 1, "cx8802_mpeg_irq\n" );
372 status
= cx_read(MO_TS_INTSTAT
);
373 mask
= cx_read(MO_TS_INTMSK
);
374 if (0 == (status
& mask
))
377 cx_write(MO_TS_INTSTAT
, status
);
379 if (debug
|| (status
& mask
& ~0xff))
380 cx88_print_irqbits(core
->name
, "irq mpeg ",
381 cx88_mpeg_irqs
, ARRAY_SIZE(cx88_mpeg_irqs
),
384 /* risc op code error */
385 if (status
& (1 << 16)) {
386 printk(KERN_WARNING
"%s: mpeg risc op code error\n",core
->name
);
387 cx_clear(MO_TS_DMACNTRL
, 0x11);
388 cx88_sram_channel_dump(dev
->core
, &cx88_sram_channels
[SRAM_CH28
]);
393 dprintk( 1, "wake up\n" );
394 spin_lock(&dev
->slock
);
395 count
= cx_read(MO_TS_GPCNT
);
396 cx88_wakeup(dev
->core
, &dev
->mpegq
, count
);
397 spin_unlock(&dev
->slock
);
402 spin_lock(&dev
->slock
);
403 cx8802_restart_queue(dev
,&dev
->mpegq
);
404 spin_unlock(&dev
->slock
);
407 /* other general errors */
408 if (status
& 0x1f0100) {
409 dprintk( 0, "general errors: 0x%08x\n", status
& 0x1f0100 );
410 spin_lock(&dev
->slock
);
411 cx8802_stop_dma(dev
);
412 cx8802_restart_queue(dev
,&dev
->mpegq
);
413 spin_unlock(&dev
->slock
);
417 #define MAX_IRQ_LOOP 10
419 static irqreturn_t
cx8802_irq(int irq
, void *dev_id
)
421 struct cx8802_dev
*dev
= dev_id
;
422 struct cx88_core
*core
= dev
->core
;
424 int loop
, handled
= 0;
426 for (loop
= 0; loop
< MAX_IRQ_LOOP
; loop
++) {
427 status
= cx_read(MO_PCI_INTSTAT
) &
428 (core
->pci_irqmask
| PCI_INT_TSINT
);
431 dprintk( 1, "cx8802_irq\n" );
432 dprintk( 1, " loop: %d/%d\n", loop
, MAX_IRQ_LOOP
);
433 dprintk( 1, " status: %d\n", status
);
435 cx_write(MO_PCI_INTSTAT
, status
);
437 if (status
& core
->pci_irqmask
)
438 cx88_core_irq(core
,status
);
439 if (status
& PCI_INT_TSINT
)
440 cx8802_mpeg_irq(dev
);
442 if (MAX_IRQ_LOOP
== loop
) {
443 dprintk( 0, "clearing mask\n" );
444 printk(KERN_WARNING
"%s/0: irq loop -- clearing mask\n",
446 cx_write(MO_PCI_INTMSK
,0);
450 return IRQ_RETVAL(handled
);
453 static int cx8802_init_common(struct cx8802_dev
*dev
)
455 struct cx88_core
*core
= dev
->core
;
459 if (pci_enable_device(dev
->pci
))
461 pci_set_master(dev
->pci
);
462 if (!pci_dma_supported(dev
->pci
,DMA_BIT_MASK(32))) {
463 printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev
->core
->name
);
467 pci_read_config_byte(dev
->pci
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
468 pci_read_config_byte(dev
->pci
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
469 printk(KERN_INFO
"%s/2: found at %s, rev: %d, irq: %d, "
470 "latency: %d, mmio: 0x%llx\n", dev
->core
->name
,
471 pci_name(dev
->pci
), dev
->pci_rev
, dev
->pci
->irq
,
472 dev
->pci_lat
,(unsigned long long)pci_resource_start(dev
->pci
,0));
474 /* initialize driver struct */
475 spin_lock_init(&dev
->slock
);
478 INIT_LIST_HEAD(&dev
->mpegq
.active
);
479 INIT_LIST_HEAD(&dev
->mpegq
.queued
);
480 dev
->mpegq
.timeout
.function
= cx8802_timeout
;
481 dev
->mpegq
.timeout
.data
= (unsigned long)dev
;
482 init_timer(&dev
->mpegq
.timeout
);
483 cx88_risc_stopper(dev
->pci
,&dev
->mpegq
.stopper
,
484 MO_TS_DMACNTRL
,0x11,0x00);
487 err
= request_irq(dev
->pci
->irq
, cx8802_irq
,
488 IRQF_SHARED
| IRQF_DISABLED
, dev
->core
->name
, dev
);
490 printk(KERN_ERR
"%s: can't get IRQ %d\n",
491 dev
->core
->name
, dev
->pci
->irq
);
494 cx_set(MO_PCI_INTMSK
, core
->pci_irqmask
);
496 /* everything worked */
497 pci_set_drvdata(dev
->pci
,dev
);
501 static void cx8802_fini_common(struct cx8802_dev
*dev
)
503 dprintk( 2, "cx8802_fini_common\n" );
504 cx8802_stop_dma(dev
);
505 pci_disable_device(dev
->pci
);
507 /* unregister stuff */
508 free_irq(dev
->pci
->irq
, dev
);
509 pci_set_drvdata(dev
->pci
, NULL
);
512 btcx_riscmem_free(dev
->pci
,&dev
->mpegq
.stopper
);
515 /* ----------------------------------------------------------- */
517 static int cx8802_suspend_common(struct pci_dev
*pci_dev
, pm_message_t state
)
519 struct cx8802_dev
*dev
= pci_get_drvdata(pci_dev
);
520 struct cx88_core
*core
= dev
->core
;
523 spin_lock(&dev
->slock
);
524 if (!list_empty(&dev
->mpegq
.active
)) {
525 dprintk( 2, "suspend\n" );
526 printk("%s: suspend mpeg\n", core
->name
);
527 cx8802_stop_dma(dev
);
528 del_timer(&dev
->mpegq
.timeout
);
530 spin_unlock(&dev
->slock
);
532 /* FIXME -- shutdown device */
533 cx88_shutdown(dev
->core
);
535 pci_save_state(pci_dev
);
536 if (0 != pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
))) {
537 pci_disable_device(pci_dev
);
538 dev
->state
.disabled
= 1;
543 static int cx8802_resume_common(struct pci_dev
*pci_dev
)
545 struct cx8802_dev
*dev
= pci_get_drvdata(pci_dev
);
546 struct cx88_core
*core
= dev
->core
;
549 if (dev
->state
.disabled
) {
550 err
=pci_enable_device(pci_dev
);
552 printk(KERN_ERR
"%s: can't enable device\n",
556 dev
->state
.disabled
= 0;
558 err
=pci_set_power_state(pci_dev
, PCI_D0
);
560 printk(KERN_ERR
"%s: can't enable device\n",
562 pci_disable_device(pci_dev
);
563 dev
->state
.disabled
= 1;
567 pci_restore_state(pci_dev
);
569 /* FIXME: re-initialize hardware */
570 cx88_reset(dev
->core
);
572 /* restart video+vbi capture */
573 spin_lock(&dev
->slock
);
574 if (!list_empty(&dev
->mpegq
.active
)) {
575 printk("%s: resume mpeg\n", core
->name
);
576 cx8802_restart_queue(dev
,&dev
->mpegq
);
578 spin_unlock(&dev
->slock
);
583 struct cx8802_driver
* cx8802_get_driver(struct cx8802_dev
*dev
, enum cx88_board_type btype
)
585 struct cx8802_driver
*d
;
587 list_for_each_entry(d
, &dev
->drvlist
, drvlist
)
588 if (d
->type_id
== btype
)
594 /* Driver asked for hardware access. */
595 static int cx8802_request_acquire(struct cx8802_driver
*drv
)
597 struct cx88_core
*core
= drv
->core
;
599 /* Fail a request for hardware if the device is busy. */
600 if (core
->active_type_id
!= CX88_BOARD_NONE
&&
601 core
->active_type_id
!= drv
->type_id
)
604 core
->input
= CX88_VMUX_DVB
;
606 if (drv
->advise_acquire
)
608 mutex_lock(&drv
->core
->lock
);
610 if (core
->active_type_id
== CX88_BOARD_NONE
) {
611 core
->active_type_id
= drv
->type_id
;
612 drv
->advise_acquire(drv
);
614 mutex_unlock(&drv
->core
->lock
);
616 mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__
, cx_read(MO_GP0_IO
));
622 /* Driver asked to release hardware. */
623 static int cx8802_request_release(struct cx8802_driver
*drv
)
625 struct cx88_core
*core
= drv
->core
;
627 mutex_lock(&drv
->core
->lock
);
628 if (drv
->advise_release
&& --core
->active_ref
== 0)
630 drv
->advise_release(drv
);
631 core
->active_type_id
= CX88_BOARD_NONE
;
632 mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__
, cx_read(MO_GP0_IO
));
634 mutex_unlock(&drv
->core
->lock
);
639 static int cx8802_check_driver(struct cx8802_driver
*drv
)
644 if ((drv
->type_id
!= CX88_MPEG_DVB
) &&
645 (drv
->type_id
!= CX88_MPEG_BLACKBIRD
))
648 if ((drv
->hw_access
!= CX8802_DRVCTL_SHARED
) &&
649 (drv
->hw_access
!= CX8802_DRVCTL_EXCLUSIVE
))
652 if ((drv
->probe
== NULL
) ||
653 (drv
->remove
== NULL
) ||
654 (drv
->advise_acquire
== NULL
) ||
655 (drv
->advise_release
== NULL
))
661 int cx8802_register_driver(struct cx8802_driver
*drv
)
663 struct cx8802_dev
*dev
;
664 struct cx8802_driver
*driver
;
668 "cx88/2: registering cx8802 driver, type: %s access: %s\n",
669 drv
->type_id
== CX88_MPEG_DVB
? "dvb" : "blackbird",
670 drv
->hw_access
== CX8802_DRVCTL_SHARED
? "shared" : "exclusive");
672 if ((err
= cx8802_check_driver(drv
)) != 0) {
673 printk(KERN_ERR
"cx88/2: cx8802_driver is invalid\n");
677 list_for_each_entry(dev
, &cx8802_devlist
, devlist
) {
679 "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
680 dev
->core
->name
, dev
->pci
->subsystem_vendor
,
681 dev
->pci
->subsystem_device
, dev
->core
->board
.name
,
684 /* Bring up a new struct for each driver instance */
685 driver
= kzalloc(sizeof(*drv
),GFP_KERNEL
);
689 /* Snapshot of the driver registration data */
690 drv
->core
= dev
->core
;
691 drv
->suspend
= cx8802_suspend_common
;
692 drv
->resume
= cx8802_resume_common
;
693 drv
->request_acquire
= cx8802_request_acquire
;
694 drv
->request_release
= cx8802_request_release
;
695 memcpy(driver
, drv
, sizeof(*driver
));
697 err
= drv
->probe(driver
);
700 mutex_lock(&drv
->core
->lock
);
701 list_add_tail(&driver
->drvlist
, &dev
->drvlist
);
702 mutex_unlock(&drv
->core
->lock
);
705 "%s/2: cx8802 probe failed, err = %d\n",
706 dev
->core
->name
, err
);
711 return i
? 0 : -ENODEV
;
714 int cx8802_unregister_driver(struct cx8802_driver
*drv
)
716 struct cx8802_dev
*dev
;
717 struct cx8802_driver
*d
, *dtmp
;
721 "cx88/2: unregistering cx8802 driver, type: %s access: %s\n",
722 drv
->type_id
== CX88_MPEG_DVB
? "dvb" : "blackbird",
723 drv
->hw_access
== CX8802_DRVCTL_SHARED
? "shared" : "exclusive");
725 list_for_each_entry(dev
, &cx8802_devlist
, devlist
) {
727 "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
728 dev
->core
->name
, dev
->pci
->subsystem_vendor
,
729 dev
->pci
->subsystem_device
, dev
->core
->board
.name
,
732 list_for_each_entry_safe(d
, dtmp
, &dev
->drvlist
, drvlist
) {
733 /* only unregister the correct driver type */
734 if (d
->type_id
!= drv
->type_id
)
739 mutex_lock(&drv
->core
->lock
);
740 list_del(&d
->drvlist
);
741 mutex_unlock(&drv
->core
->lock
);
744 printk(KERN_ERR
"%s/2: cx8802 driver remove "
745 "failed (%d)\n", dev
->core
->name
, err
);
753 /* ----------------------------------------------------------- */
754 static int __devinit
cx8802_probe(struct pci_dev
*pci_dev
,
755 const struct pci_device_id
*pci_id
)
757 struct cx8802_dev
*dev
;
758 struct cx88_core
*core
;
762 core
= cx88_core_get(pci_dev
);
766 printk("%s/2: cx2388x 8802 Driver Manager\n", core
->name
);
769 if (!core
->board
.mpeg
)
773 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
779 /* Maintain a reference so cx88-video can query the 8802 device. */
782 err
= cx8802_init_common(dev
);
786 INIT_LIST_HEAD(&dev
->drvlist
);
787 list_add_tail(&dev
->devlist
,&cx8802_devlist
);
789 /* now autoload cx88-dvb or cx88-blackbird */
790 request_modules(dev
);
797 cx88_core_put(core
,pci_dev
);
801 static void __devexit
cx8802_remove(struct pci_dev
*pci_dev
)
803 struct cx8802_dev
*dev
;
805 dev
= pci_get_drvdata(pci_dev
);
807 dprintk( 1, "%s\n", __func__
);
809 if (!list_empty(&dev
->drvlist
)) {
810 struct cx8802_driver
*drv
, *tmp
;
813 printk(KERN_WARNING
"%s/2: Trying to remove cx8802 driver "
814 "while cx8802 sub-drivers still loaded?!\n",
817 list_for_each_entry_safe(drv
, tmp
, &dev
->drvlist
, drvlist
) {
818 err
= drv
->remove(drv
);
820 mutex_lock(&drv
->core
->lock
);
821 list_del(&drv
->drvlist
);
822 mutex_unlock(&drv
->core
->lock
);
824 printk(KERN_ERR
"%s/2: cx8802 driver remove "
825 "failed (%d)\n", dev
->core
->name
, err
);
830 /* Destroy any 8802 reference. */
831 dev
->core
->dvbdev
= NULL
;
834 cx8802_fini_common(dev
);
835 cx88_core_put(dev
->core
,dev
->pci
);
839 static struct pci_device_id cx8802_pci_tbl
[] = {
843 .subvendor
= PCI_ANY_ID
,
844 .subdevice
= PCI_ANY_ID
,
846 /* --- end of list --- */
849 MODULE_DEVICE_TABLE(pci
, cx8802_pci_tbl
);
851 static struct pci_driver cx8802_pci_driver
= {
852 .name
= "cx88-mpeg driver manager",
853 .id_table
= cx8802_pci_tbl
,
854 .probe
= cx8802_probe
,
855 .remove
= __devexit_p(cx8802_remove
),
858 static int __init
cx8802_init(void)
860 printk(KERN_INFO
"cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n",
861 (CX88_VERSION_CODE
>> 16) & 0xff,
862 (CX88_VERSION_CODE
>> 8) & 0xff,
863 CX88_VERSION_CODE
& 0xff);
865 printk(KERN_INFO
"cx2388x: snapshot date %04d-%02d-%02d\n",
866 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
868 return pci_register_driver(&cx8802_pci_driver
);
871 static void __exit
cx8802_fini(void)
873 pci_unregister_driver(&cx8802_pci_driver
);
876 module_init(cx8802_init
);
877 module_exit(cx8802_fini
);
878 EXPORT_SYMBOL(cx8802_buf_prepare
);
879 EXPORT_SYMBOL(cx8802_buf_queue
);
880 EXPORT_SYMBOL(cx8802_cancel_buffers
);
882 EXPORT_SYMBOL(cx8802_register_driver
);
883 EXPORT_SYMBOL(cx8802_unregister_driver
);
884 EXPORT_SYMBOL(cx8802_get_driver
);
885 /* ----------------------------------------------------------- */
890 * 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