FRV: Use generic show_interrupts()
[cris-mirror.git] / drivers / media / video / cx88 / cx88-video.c
blob287a41ee1c4f6d6cd2a0a1ced34cd2950c5aaf7f
1 /*
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
42 #include <media/v4l2-ioctl.h>
43 #include <media/wm8775.h>
45 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
46 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
47 MODULE_LICENSE("GPL");
49 /* ------------------------------------------------------------------ */
51 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
52 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
53 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 module_param_array(video_nr, int, NULL, 0444);
56 module_param_array(vbi_nr, int, NULL, 0444);
57 module_param_array(radio_nr, int, NULL, 0444);
59 MODULE_PARM_DESC(video_nr,"video device numbers");
60 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
61 MODULE_PARM_DESC(radio_nr,"radio device numbers");
63 static unsigned int video_debug;
64 module_param(video_debug,int,0644);
65 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
67 static unsigned int irq_debug;
68 module_param(irq_debug,int,0644);
69 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
71 static unsigned int vid_limit = 16;
72 module_param(vid_limit,int,0644);
73 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
75 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
76 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
78 /* ------------------------------------------------------------------- */
79 /* static data */
81 static const struct cx8800_fmt formats[] = {
83 .name = "8 bpp, gray",
84 .fourcc = V4L2_PIX_FMT_GREY,
85 .cxformat = ColorFormatY8,
86 .depth = 8,
87 .flags = FORMAT_FLAGS_PACKED,
88 },{
89 .name = "15 bpp RGB, le",
90 .fourcc = V4L2_PIX_FMT_RGB555,
91 .cxformat = ColorFormatRGB15,
92 .depth = 16,
93 .flags = FORMAT_FLAGS_PACKED,
94 },{
95 .name = "15 bpp RGB, be",
96 .fourcc = V4L2_PIX_FMT_RGB555X,
97 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
98 .depth = 16,
99 .flags = FORMAT_FLAGS_PACKED,
101 .name = "16 bpp RGB, le",
102 .fourcc = V4L2_PIX_FMT_RGB565,
103 .cxformat = ColorFormatRGB16,
104 .depth = 16,
105 .flags = FORMAT_FLAGS_PACKED,
107 .name = "16 bpp RGB, be",
108 .fourcc = V4L2_PIX_FMT_RGB565X,
109 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
110 .depth = 16,
111 .flags = FORMAT_FLAGS_PACKED,
113 .name = "24 bpp RGB, le",
114 .fourcc = V4L2_PIX_FMT_BGR24,
115 .cxformat = ColorFormatRGB24,
116 .depth = 24,
117 .flags = FORMAT_FLAGS_PACKED,
119 .name = "32 bpp RGB, le",
120 .fourcc = V4L2_PIX_FMT_BGR32,
121 .cxformat = ColorFormatRGB32,
122 .depth = 32,
123 .flags = FORMAT_FLAGS_PACKED,
125 .name = "32 bpp RGB, be",
126 .fourcc = V4L2_PIX_FMT_RGB32,
127 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
128 .depth = 32,
129 .flags = FORMAT_FLAGS_PACKED,
131 .name = "4:2:2, packed, YUYV",
132 .fourcc = V4L2_PIX_FMT_YUYV,
133 .cxformat = ColorFormatYUY2,
134 .depth = 16,
135 .flags = FORMAT_FLAGS_PACKED,
137 .name = "4:2:2, packed, UYVY",
138 .fourcc = V4L2_PIX_FMT_UYVY,
139 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
140 .depth = 16,
141 .flags = FORMAT_FLAGS_PACKED,
145 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
147 unsigned int i;
149 for (i = 0; i < ARRAY_SIZE(formats); i++)
150 if (formats[i].fourcc == fourcc)
151 return formats+i;
152 return NULL;
155 /* ------------------------------------------------------------------- */
157 static const struct v4l2_queryctrl no_ctl = {
158 .name = "42",
159 .flags = V4L2_CTRL_FLAG_DISABLED,
162 static const struct cx88_ctrl cx8800_ctls[] = {
163 /* --- video --- */
165 .v = {
166 .id = V4L2_CID_BRIGHTNESS,
167 .name = "Brightness",
168 .minimum = 0x00,
169 .maximum = 0xff,
170 .step = 1,
171 .default_value = 0x7f,
172 .type = V4L2_CTRL_TYPE_INTEGER,
174 .off = 128,
175 .reg = MO_CONTR_BRIGHT,
176 .mask = 0x00ff,
177 .shift = 0,
179 .v = {
180 .id = V4L2_CID_CONTRAST,
181 .name = "Contrast",
182 .minimum = 0,
183 .maximum = 0xff,
184 .step = 1,
185 .default_value = 0x3f,
186 .type = V4L2_CTRL_TYPE_INTEGER,
188 .off = 0,
189 .reg = MO_CONTR_BRIGHT,
190 .mask = 0xff00,
191 .shift = 8,
193 .v = {
194 .id = V4L2_CID_HUE,
195 .name = "Hue",
196 .minimum = 0,
197 .maximum = 0xff,
198 .step = 1,
199 .default_value = 0x7f,
200 .type = V4L2_CTRL_TYPE_INTEGER,
202 .off = 128,
203 .reg = MO_HUE,
204 .mask = 0x00ff,
205 .shift = 0,
207 /* strictly, this only describes only U saturation.
208 * V saturation is handled specially through code.
210 .v = {
211 .id = V4L2_CID_SATURATION,
212 .name = "Saturation",
213 .minimum = 0,
214 .maximum = 0xff,
215 .step = 1,
216 .default_value = 0x7f,
217 .type = V4L2_CTRL_TYPE_INTEGER,
219 .off = 0,
220 .reg = MO_UV_SATURATION,
221 .mask = 0x00ff,
222 .shift = 0,
224 .v = {
225 .id = V4L2_CID_CHROMA_AGC,
226 .name = "Chroma AGC",
227 .minimum = 0,
228 .maximum = 1,
229 .default_value = 0x1,
230 .type = V4L2_CTRL_TYPE_BOOLEAN,
232 .reg = MO_INPUT_FORMAT,
233 .mask = 1 << 10,
234 .shift = 10,
235 }, {
236 .v = {
237 .id = V4L2_CID_COLOR_KILLER,
238 .name = "Color killer",
239 .minimum = 0,
240 .maximum = 1,
241 .default_value = 0x1,
242 .type = V4L2_CTRL_TYPE_BOOLEAN,
244 .reg = MO_INPUT_FORMAT,
245 .mask = 1 << 9,
246 .shift = 9,
247 }, {
248 /* --- audio --- */
249 .v = {
250 .id = V4L2_CID_AUDIO_MUTE,
251 .name = "Mute",
252 .minimum = 0,
253 .maximum = 1,
254 .default_value = 1,
255 .type = V4L2_CTRL_TYPE_BOOLEAN,
257 .reg = AUD_VOL_CTL,
258 .sreg = SHADOW_AUD_VOL_CTL,
259 .mask = (1 << 6),
260 .shift = 6,
262 .v = {
263 .id = V4L2_CID_AUDIO_VOLUME,
264 .name = "Volume",
265 .minimum = 0,
266 .maximum = 0x3f,
267 .step = 1,
268 .default_value = 0x3f,
269 .type = V4L2_CTRL_TYPE_INTEGER,
271 .reg = AUD_VOL_CTL,
272 .sreg = SHADOW_AUD_VOL_CTL,
273 .mask = 0x3f,
274 .shift = 0,
276 .v = {
277 .id = V4L2_CID_AUDIO_BALANCE,
278 .name = "Balance",
279 .minimum = 0,
280 .maximum = 0x7f,
281 .step = 1,
282 .default_value = 0x40,
283 .type = V4L2_CTRL_TYPE_INTEGER,
285 .reg = AUD_BAL_CTL,
286 .sreg = SHADOW_AUD_BAL_CTL,
287 .mask = 0x7f,
288 .shift = 0,
291 enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
293 /* Must be sorted from low to high control ID! */
294 const u32 cx88_user_ctrls[] = {
295 V4L2_CID_USER_CLASS,
296 V4L2_CID_BRIGHTNESS,
297 V4L2_CID_CONTRAST,
298 V4L2_CID_SATURATION,
299 V4L2_CID_HUE,
300 V4L2_CID_AUDIO_VOLUME,
301 V4L2_CID_AUDIO_BALANCE,
302 V4L2_CID_AUDIO_MUTE,
303 V4L2_CID_CHROMA_AGC,
304 V4L2_CID_COLOR_KILLER,
307 EXPORT_SYMBOL(cx88_user_ctrls);
309 static const u32 * const ctrl_classes[] = {
310 cx88_user_ctrls,
311 NULL
314 int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
316 int i;
318 if (qctrl->id < V4L2_CID_BASE ||
319 qctrl->id >= V4L2_CID_LASTP1)
320 return -EINVAL;
321 for (i = 0; i < CX8800_CTLS; i++)
322 if (cx8800_ctls[i].v.id == qctrl->id)
323 break;
324 if (i == CX8800_CTLS) {
325 *qctrl = no_ctl;
326 return 0;
328 *qctrl = cx8800_ctls[i].v;
329 /* Report chroma AGC as inactive when SECAM is selected */
330 if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
331 core->tvnorm & V4L2_STD_SECAM)
332 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
334 return 0;
336 EXPORT_SYMBOL(cx8800_ctrl_query);
338 /* ------------------------------------------------------------------- */
339 /* resource management */
341 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
343 struct cx88_core *core = dev->core;
344 if (fh->resources & bit)
345 /* have it already allocated */
346 return 1;
348 /* is it free? */
349 mutex_lock(&core->lock);
350 if (dev->resources & bit) {
351 /* no, someone else uses it */
352 mutex_unlock(&core->lock);
353 return 0;
355 /* it's free, grab it */
356 fh->resources |= bit;
357 dev->resources |= bit;
358 dprintk(1,"res: get %d\n",bit);
359 mutex_unlock(&core->lock);
360 return 1;
363 static
364 int res_check(struct cx8800_fh *fh, unsigned int bit)
366 return (fh->resources & bit);
369 static
370 int res_locked(struct cx8800_dev *dev, unsigned int bit)
372 return (dev->resources & bit);
375 static
376 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
378 struct cx88_core *core = dev->core;
379 BUG_ON((fh->resources & bits) != bits);
381 mutex_lock(&core->lock);
382 fh->resources &= ~bits;
383 dev->resources &= ~bits;
384 dprintk(1,"res: put %d\n",bits);
385 mutex_unlock(&core->lock);
388 /* ------------------------------------------------------------------ */
390 int cx88_video_mux(struct cx88_core *core, unsigned int input)
392 /* struct cx88_core *core = dev->core; */
394 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
395 input, INPUT(input).vmux,
396 INPUT(input).gpio0,INPUT(input).gpio1,
397 INPUT(input).gpio2,INPUT(input).gpio3);
398 core->input = input;
399 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
400 cx_write(MO_GP3_IO, INPUT(input).gpio3);
401 cx_write(MO_GP0_IO, INPUT(input).gpio0);
402 cx_write(MO_GP1_IO, INPUT(input).gpio1);
403 cx_write(MO_GP2_IO, INPUT(input).gpio2);
405 switch (INPUT(input).type) {
406 case CX88_VMUX_SVIDEO:
407 cx_set(MO_AFECFG_IO, 0x00000001);
408 cx_set(MO_INPUT_FORMAT, 0x00010010);
409 cx_set(MO_FILTER_EVEN, 0x00002020);
410 cx_set(MO_FILTER_ODD, 0x00002020);
411 break;
412 default:
413 cx_clear(MO_AFECFG_IO, 0x00000001);
414 cx_clear(MO_INPUT_FORMAT, 0x00010010);
415 cx_clear(MO_FILTER_EVEN, 0x00002020);
416 cx_clear(MO_FILTER_ODD, 0x00002020);
417 break;
420 /* if there are audioroutes defined, we have an external
421 ADC to deal with audio */
422 if (INPUT(input).audioroute) {
423 /* The wm8775 module has the "2" route hardwired into
424 the initialization. Some boards may use different
425 routes for different inputs. HVR-1300 surely does */
426 if (core->board.audio_chip &&
427 core->board.audio_chip == V4L2_IDENT_WM8775) {
428 call_all(core, audio, s_routing,
429 INPUT(input).audioroute, 0, 0);
431 /* cx2388's C-ADC is connected to the tuner only.
432 When used with S-Video, that ADC is busy dealing with
433 chroma, so an external must be used for baseband audio */
434 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
435 INPUT(input).type != CX88_VMUX_CABLE) {
436 /* "I2S ADC mode" */
437 core->tvaudio = WW_I2SADC;
438 cx88_set_tvaudio(core);
439 } else {
440 /* Normal mode */
441 cx_write(AUD_I2SCNTL, 0x0);
442 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
446 return 0;
448 EXPORT_SYMBOL(cx88_video_mux);
450 /* ------------------------------------------------------------------ */
452 static int start_video_dma(struct cx8800_dev *dev,
453 struct cx88_dmaqueue *q,
454 struct cx88_buffer *buf)
456 struct cx88_core *core = dev->core;
458 /* setup fifo + format */
459 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
460 buf->bpl, buf->risc.dma);
461 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
462 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
464 /* reset counter */
465 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
466 q->count = 1;
468 /* enable irqs */
469 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
471 /* Enables corresponding bits at PCI_INT_STAT:
472 bits 0 to 4: video, audio, transport stream, VIP, Host
473 bit 7: timer
474 bits 8 and 9: DMA complete for: SRC, DST
475 bits 10 and 11: BERR signal asserted for RISC: RD, WR
476 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
478 cx_set(MO_VID_INTMSK, 0x0f0011);
480 /* enable capture */
481 cx_set(VID_CAPTURE_CONTROL,0x06);
483 /* start dma */
484 cx_set(MO_DEV_CNTRL2, (1<<5));
485 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
487 return 0;
490 #ifdef CONFIG_PM
491 static int stop_video_dma(struct cx8800_dev *dev)
493 struct cx88_core *core = dev->core;
495 /* stop dma */
496 cx_clear(MO_VID_DMACNTRL, 0x11);
498 /* disable capture */
499 cx_clear(VID_CAPTURE_CONTROL,0x06);
501 /* disable irqs */
502 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
503 cx_clear(MO_VID_INTMSK, 0x0f0011);
504 return 0;
506 #endif
508 static int restart_video_queue(struct cx8800_dev *dev,
509 struct cx88_dmaqueue *q)
511 struct cx88_core *core = dev->core;
512 struct cx88_buffer *buf, *prev;
514 if (!list_empty(&q->active)) {
515 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
516 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
517 buf, buf->vb.i);
518 start_video_dma(dev, q, buf);
519 list_for_each_entry(buf, &q->active, vb.queue)
520 buf->count = q->count++;
521 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
522 return 0;
525 prev = NULL;
526 for (;;) {
527 if (list_empty(&q->queued))
528 return 0;
529 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
530 if (NULL == prev) {
531 list_move_tail(&buf->vb.queue, &q->active);
532 start_video_dma(dev, q, buf);
533 buf->vb.state = VIDEOBUF_ACTIVE;
534 buf->count = q->count++;
535 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
536 dprintk(2,"[%p/%d] restart_queue - first active\n",
537 buf,buf->vb.i);
539 } else if (prev->vb.width == buf->vb.width &&
540 prev->vb.height == buf->vb.height &&
541 prev->fmt == buf->fmt) {
542 list_move_tail(&buf->vb.queue, &q->active);
543 buf->vb.state = VIDEOBUF_ACTIVE;
544 buf->count = q->count++;
545 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
546 dprintk(2,"[%p/%d] restart_queue - move to active\n",
547 buf,buf->vb.i);
548 } else {
549 return 0;
551 prev = buf;
555 /* ------------------------------------------------------------------ */
557 static int
558 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
560 struct cx8800_fh *fh = q->priv_data;
562 *size = fh->fmt->depth*fh->width*fh->height >> 3;
563 if (0 == *count)
564 *count = 32;
565 if (*size * *count > vid_limit * 1024 * 1024)
566 *count = (vid_limit * 1024 * 1024) / *size;
567 return 0;
570 static int
571 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
572 enum v4l2_field field)
574 struct cx8800_fh *fh = q->priv_data;
575 struct cx8800_dev *dev = fh->dev;
576 struct cx88_core *core = dev->core;
577 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
578 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
579 int rc, init_buffer = 0;
581 BUG_ON(NULL == fh->fmt);
582 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
583 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
584 return -EINVAL;
585 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
586 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
587 return -EINVAL;
589 if (buf->fmt != fh->fmt ||
590 buf->vb.width != fh->width ||
591 buf->vb.height != fh->height ||
592 buf->vb.field != field) {
593 buf->fmt = fh->fmt;
594 buf->vb.width = fh->width;
595 buf->vb.height = fh->height;
596 buf->vb.field = field;
597 init_buffer = 1;
600 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
601 init_buffer = 1;
602 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
603 goto fail;
606 if (init_buffer) {
607 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
608 switch (buf->vb.field) {
609 case V4L2_FIELD_TOP:
610 cx88_risc_buffer(dev->pci, &buf->risc,
611 dma->sglist, 0, UNSET,
612 buf->bpl, 0, buf->vb.height);
613 break;
614 case V4L2_FIELD_BOTTOM:
615 cx88_risc_buffer(dev->pci, &buf->risc,
616 dma->sglist, UNSET, 0,
617 buf->bpl, 0, buf->vb.height);
618 break;
619 case V4L2_FIELD_INTERLACED:
620 cx88_risc_buffer(dev->pci, &buf->risc,
621 dma->sglist, 0, buf->bpl,
622 buf->bpl, buf->bpl,
623 buf->vb.height >> 1);
624 break;
625 case V4L2_FIELD_SEQ_TB:
626 cx88_risc_buffer(dev->pci, &buf->risc,
627 dma->sglist,
628 0, buf->bpl * (buf->vb.height >> 1),
629 buf->bpl, 0,
630 buf->vb.height >> 1);
631 break;
632 case V4L2_FIELD_SEQ_BT:
633 cx88_risc_buffer(dev->pci, &buf->risc,
634 dma->sglist,
635 buf->bpl * (buf->vb.height >> 1), 0,
636 buf->bpl, 0,
637 buf->vb.height >> 1);
638 break;
639 default:
640 BUG();
643 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
644 buf, buf->vb.i,
645 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
646 (unsigned long)buf->risc.dma);
648 buf->vb.state = VIDEOBUF_PREPARED;
649 return 0;
651 fail:
652 cx88_free_buffer(q,buf);
653 return rc;
656 static void
657 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
659 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
660 struct cx88_buffer *prev;
661 struct cx8800_fh *fh = vq->priv_data;
662 struct cx8800_dev *dev = fh->dev;
663 struct cx88_core *core = dev->core;
664 struct cx88_dmaqueue *q = &dev->vidq;
666 /* add jump to stopper */
667 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
668 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
670 if (!list_empty(&q->queued)) {
671 list_add_tail(&buf->vb.queue,&q->queued);
672 buf->vb.state = VIDEOBUF_QUEUED;
673 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
674 buf, buf->vb.i);
676 } else if (list_empty(&q->active)) {
677 list_add_tail(&buf->vb.queue,&q->active);
678 start_video_dma(dev, q, buf);
679 buf->vb.state = VIDEOBUF_ACTIVE;
680 buf->count = q->count++;
681 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
682 dprintk(2,"[%p/%d] buffer_queue - first active\n",
683 buf, buf->vb.i);
685 } else {
686 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
687 if (prev->vb.width == buf->vb.width &&
688 prev->vb.height == buf->vb.height &&
689 prev->fmt == buf->fmt) {
690 list_add_tail(&buf->vb.queue,&q->active);
691 buf->vb.state = VIDEOBUF_ACTIVE;
692 buf->count = q->count++;
693 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
694 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
695 buf, buf->vb.i);
697 } else {
698 list_add_tail(&buf->vb.queue,&q->queued);
699 buf->vb.state = VIDEOBUF_QUEUED;
700 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
701 buf, buf->vb.i);
706 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
708 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
710 cx88_free_buffer(q,buf);
713 static const struct videobuf_queue_ops cx8800_video_qops = {
714 .buf_setup = buffer_setup,
715 .buf_prepare = buffer_prepare,
716 .buf_queue = buffer_queue,
717 .buf_release = buffer_release,
720 /* ------------------------------------------------------------------ */
723 /* ------------------------------------------------------------------ */
725 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
727 switch (fh->type) {
728 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
729 return &fh->vidq;
730 case V4L2_BUF_TYPE_VBI_CAPTURE:
731 return &fh->vbiq;
732 default:
733 BUG();
734 return NULL;
738 static int get_ressource(struct cx8800_fh *fh)
740 switch (fh->type) {
741 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
742 return RESOURCE_VIDEO;
743 case V4L2_BUF_TYPE_VBI_CAPTURE:
744 return RESOURCE_VBI;
745 default:
746 BUG();
747 return 0;
751 static int video_open(struct file *file)
753 struct video_device *vdev = video_devdata(file);
754 struct cx8800_dev *dev = video_drvdata(file);
755 struct cx88_core *core = dev->core;
756 struct cx8800_fh *fh;
757 enum v4l2_buf_type type = 0;
758 int radio = 0;
760 switch (vdev->vfl_type) {
761 case VFL_TYPE_GRABBER:
762 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
763 break;
764 case VFL_TYPE_VBI:
765 type = V4L2_BUF_TYPE_VBI_CAPTURE;
766 break;
767 case VFL_TYPE_RADIO:
768 radio = 1;
769 break;
772 dprintk(1, "open dev=%s radio=%d type=%s\n",
773 video_device_node_name(vdev), radio, v4l2_type_names[type]);
775 /* allocate + initialize per filehandle data */
776 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
777 if (unlikely(!fh))
778 return -ENOMEM;
780 file->private_data = fh;
781 fh->dev = dev;
782 fh->radio = radio;
783 fh->type = type;
784 fh->width = 320;
785 fh->height = 240;
786 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
788 mutex_lock(&core->lock);
790 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops,
791 &dev->pci->dev, &dev->slock,
792 V4L2_BUF_TYPE_VIDEO_CAPTURE,
793 V4L2_FIELD_INTERLACED,
794 sizeof(struct cx88_buffer),
795 fh, NULL);
796 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops,
797 &dev->pci->dev, &dev->slock,
798 V4L2_BUF_TYPE_VBI_CAPTURE,
799 V4L2_FIELD_SEQ_TB,
800 sizeof(struct cx88_buffer),
801 fh, NULL);
803 if (fh->radio) {
804 dprintk(1,"video_open: setting radio device\n");
805 cx_write(MO_GP3_IO, core->board.radio.gpio3);
806 cx_write(MO_GP0_IO, core->board.radio.gpio0);
807 cx_write(MO_GP1_IO, core->board.radio.gpio1);
808 cx_write(MO_GP2_IO, core->board.radio.gpio2);
809 if (core->board.radio.audioroute) {
810 if(core->board.audio_chip &&
811 core->board.audio_chip == V4L2_IDENT_WM8775) {
812 call_all(core, audio, s_routing,
813 core->board.radio.audioroute, 0, 0);
815 /* "I2S ADC mode" */
816 core->tvaudio = WW_I2SADC;
817 cx88_set_tvaudio(core);
818 } else {
819 /* FM Mode */
820 core->tvaudio = WW_FM;
821 cx88_set_tvaudio(core);
822 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
824 call_all(core, tuner, s_radio);
827 atomic_inc(&core->users);
828 mutex_unlock(&core->lock);
830 return 0;
833 static ssize_t
834 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
836 struct cx8800_fh *fh = file->private_data;
838 switch (fh->type) {
839 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
840 if (res_locked(fh->dev,RESOURCE_VIDEO))
841 return -EBUSY;
842 return videobuf_read_one(&fh->vidq, data, count, ppos,
843 file->f_flags & O_NONBLOCK);
844 case V4L2_BUF_TYPE_VBI_CAPTURE:
845 if (!res_get(fh->dev,fh,RESOURCE_VBI))
846 return -EBUSY;
847 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
848 file->f_flags & O_NONBLOCK);
849 default:
850 BUG();
851 return 0;
855 static unsigned int
856 video_poll(struct file *file, struct poll_table_struct *wait)
858 struct cx8800_fh *fh = file->private_data;
859 struct cx88_buffer *buf;
860 unsigned int rc = POLLERR;
862 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
863 if (!res_get(fh->dev,fh,RESOURCE_VBI))
864 return POLLERR;
865 return videobuf_poll_stream(file, &fh->vbiq, wait);
868 mutex_lock(&fh->vidq.vb_lock);
869 if (res_check(fh,RESOURCE_VIDEO)) {
870 /* streaming capture */
871 if (list_empty(&fh->vidq.stream))
872 goto done;
873 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
874 } else {
875 /* read() capture */
876 buf = (struct cx88_buffer*)fh->vidq.read_buf;
877 if (NULL == buf)
878 goto done;
880 poll_wait(file, &buf->vb.done, wait);
881 if (buf->vb.state == VIDEOBUF_DONE ||
882 buf->vb.state == VIDEOBUF_ERROR)
883 rc = POLLIN|POLLRDNORM;
884 else
885 rc = 0;
886 done:
887 mutex_unlock(&fh->vidq.vb_lock);
888 return rc;
891 static int video_release(struct file *file)
893 struct cx8800_fh *fh = file->private_data;
894 struct cx8800_dev *dev = fh->dev;
896 /* turn off overlay */
897 if (res_check(fh, RESOURCE_OVERLAY)) {
898 /* FIXME */
899 res_free(dev,fh,RESOURCE_OVERLAY);
902 /* stop video capture */
903 if (res_check(fh, RESOURCE_VIDEO)) {
904 videobuf_queue_cancel(&fh->vidq);
905 res_free(dev,fh,RESOURCE_VIDEO);
907 if (fh->vidq.read_buf) {
908 buffer_release(&fh->vidq,fh->vidq.read_buf);
909 kfree(fh->vidq.read_buf);
912 /* stop vbi capture */
913 if (res_check(fh, RESOURCE_VBI)) {
914 videobuf_stop(&fh->vbiq);
915 res_free(dev,fh,RESOURCE_VBI);
918 videobuf_mmap_free(&fh->vidq);
919 videobuf_mmap_free(&fh->vbiq);
921 mutex_lock(&dev->core->lock);
922 file->private_data = NULL;
923 kfree(fh);
925 if(atomic_dec_and_test(&dev->core->users))
926 call_all(dev->core, core, s_power, 0);
927 mutex_unlock(&dev->core->lock);
929 return 0;
932 static int
933 video_mmap(struct file *file, struct vm_area_struct * vma)
935 struct cx8800_fh *fh = file->private_data;
937 return videobuf_mmap_mapper(get_queue(fh), vma);
940 /* ------------------------------------------------------------------ */
941 /* VIDEO CTRL IOCTLS */
943 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
945 const struct cx88_ctrl *c = NULL;
946 u32 value;
947 int i;
949 for (i = 0; i < CX8800_CTLS; i++)
950 if (cx8800_ctls[i].v.id == ctl->id)
951 c = &cx8800_ctls[i];
952 if (unlikely(NULL == c))
953 return -EINVAL;
955 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
956 switch (ctl->id) {
957 case V4L2_CID_AUDIO_BALANCE:
958 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
959 : (0x7f - (value & 0x7f));
960 break;
961 case V4L2_CID_AUDIO_VOLUME:
962 ctl->value = 0x3f - (value & 0x3f);
963 break;
964 default:
965 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
966 break;
968 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
969 ctl->id, c->v.name, ctl->value, c->reg,
970 value,c->mask, c->sreg ? " [shadowed]" : "");
971 return 0;
973 EXPORT_SYMBOL(cx88_get_control);
975 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
977 const struct cx88_ctrl *c = NULL;
978 u32 value,mask;
979 int i;
981 for (i = 0; i < CX8800_CTLS; i++) {
982 if (cx8800_ctls[i].v.id == ctl->id) {
983 c = &cx8800_ctls[i];
986 if (unlikely(NULL == c))
987 return -EINVAL;
989 if (ctl->value < c->v.minimum)
990 ctl->value = c->v.minimum;
991 if (ctl->value > c->v.maximum)
992 ctl->value = c->v.maximum;
994 /* Pass changes onto any WM8775 */
995 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
996 struct v4l2_control client_ctl;
997 memset(&client_ctl, 0, sizeof(client_ctl));
998 client_ctl.id = ctl->id;
1000 switch (ctl->id) {
1001 case V4L2_CID_AUDIO_MUTE:
1002 client_ctl.value = ctl->value;
1003 break;
1004 case V4L2_CID_AUDIO_VOLUME:
1005 client_ctl.value = (ctl->value) ?
1006 (0x90 + ctl->value) << 8 : 0;
1007 break;
1008 case V4L2_CID_AUDIO_BALANCE:
1009 client_ctl.value = ctl->value << 9;
1010 break;
1011 default:
1012 client_ctl.id = 0;
1013 break;
1015 if (client_ctl.id)
1016 call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
1019 mask=c->mask;
1020 switch (ctl->id) {
1021 case V4L2_CID_AUDIO_BALANCE:
1022 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
1023 break;
1024 case V4L2_CID_AUDIO_VOLUME:
1025 value = 0x3f - (ctl->value & 0x3f);
1026 break;
1027 case V4L2_CID_SATURATION:
1028 /* special v_sat handling */
1030 value = ((ctl->value - c->off) << c->shift) & c->mask;
1032 if (core->tvnorm & V4L2_STD_SECAM) {
1033 /* For SECAM, both U and V sat should be equal */
1034 value=value<<8|value;
1035 } else {
1036 /* Keeps U Saturation proportional to V Sat */
1037 value=(value*0x5a)/0x7f<<8|value;
1039 mask=0xffff;
1040 break;
1041 case V4L2_CID_CHROMA_AGC:
1042 /* Do not allow chroma AGC to be enabled for SECAM */
1043 value = ((ctl->value - c->off) << c->shift) & c->mask;
1044 if (core->tvnorm & V4L2_STD_SECAM && value)
1045 return -EINVAL;
1046 break;
1047 default:
1048 value = ((ctl->value - c->off) << c->shift) & c->mask;
1049 break;
1051 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
1052 ctl->id, c->v.name, ctl->value, c->reg, value,
1053 mask, c->sreg ? " [shadowed]" : "");
1054 if (c->sreg) {
1055 cx_sandor(c->sreg, c->reg, mask, value);
1056 } else {
1057 cx_andor(c->reg, mask, value);
1059 return 0;
1061 EXPORT_SYMBOL(cx88_set_control);
1063 static void init_controls(struct cx88_core *core)
1065 struct v4l2_control ctrl;
1066 int i;
1068 for (i = 0; i < CX8800_CTLS; i++) {
1069 ctrl.id=cx8800_ctls[i].v.id;
1070 ctrl.value=cx8800_ctls[i].v.default_value;
1072 cx88_set_control(core, &ctrl);
1076 /* ------------------------------------------------------------------ */
1077 /* VIDEO IOCTLS */
1079 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1080 struct v4l2_format *f)
1082 struct cx8800_fh *fh = priv;
1084 f->fmt.pix.width = fh->width;
1085 f->fmt.pix.height = fh->height;
1086 f->fmt.pix.field = fh->vidq.field;
1087 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1088 f->fmt.pix.bytesperline =
1089 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1090 f->fmt.pix.sizeimage =
1091 f->fmt.pix.height * f->fmt.pix.bytesperline;
1092 return 0;
1095 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1096 struct v4l2_format *f)
1098 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1099 const struct cx8800_fmt *fmt;
1100 enum v4l2_field field;
1101 unsigned int maxw, maxh;
1103 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1104 if (NULL == fmt)
1105 return -EINVAL;
1107 field = f->fmt.pix.field;
1108 maxw = norm_maxw(core->tvnorm);
1109 maxh = norm_maxh(core->tvnorm);
1111 if (V4L2_FIELD_ANY == field) {
1112 field = (f->fmt.pix.height > maxh/2)
1113 ? V4L2_FIELD_INTERLACED
1114 : V4L2_FIELD_BOTTOM;
1117 switch (field) {
1118 case V4L2_FIELD_TOP:
1119 case V4L2_FIELD_BOTTOM:
1120 maxh = maxh / 2;
1121 break;
1122 case V4L2_FIELD_INTERLACED:
1123 break;
1124 default:
1125 return -EINVAL;
1128 f->fmt.pix.field = field;
1129 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1130 &f->fmt.pix.height, 32, maxh, 0, 0);
1131 f->fmt.pix.bytesperline =
1132 (f->fmt.pix.width * fmt->depth) >> 3;
1133 f->fmt.pix.sizeimage =
1134 f->fmt.pix.height * f->fmt.pix.bytesperline;
1136 return 0;
1139 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1140 struct v4l2_format *f)
1142 struct cx8800_fh *fh = priv;
1143 int err = vidioc_try_fmt_vid_cap (file,priv,f);
1145 if (0 != err)
1146 return err;
1147 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1148 fh->width = f->fmt.pix.width;
1149 fh->height = f->fmt.pix.height;
1150 fh->vidq.field = f->fmt.pix.field;
1151 return 0;
1154 static int vidioc_querycap (struct file *file, void *priv,
1155 struct v4l2_capability *cap)
1157 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1158 struct cx88_core *core = dev->core;
1160 strcpy(cap->driver, "cx8800");
1161 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1162 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1163 cap->version = CX88_VERSION_CODE;
1164 cap->capabilities =
1165 V4L2_CAP_VIDEO_CAPTURE |
1166 V4L2_CAP_READWRITE |
1167 V4L2_CAP_STREAMING |
1168 V4L2_CAP_VBI_CAPTURE;
1169 if (UNSET != core->board.tuner_type)
1170 cap->capabilities |= V4L2_CAP_TUNER;
1171 return 0;
1174 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
1175 struct v4l2_fmtdesc *f)
1177 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1178 return -EINVAL;
1180 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1181 f->pixelformat = formats[f->index].fourcc;
1183 return 0;
1186 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1188 struct cx8800_fh *fh = priv;
1189 return (videobuf_reqbufs(get_queue(fh), p));
1192 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1194 struct cx8800_fh *fh = priv;
1195 return (videobuf_querybuf(get_queue(fh), p));
1198 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1200 struct cx8800_fh *fh = priv;
1201 return (videobuf_qbuf(get_queue(fh), p));
1204 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1206 struct cx8800_fh *fh = priv;
1207 return (videobuf_dqbuf(get_queue(fh), p,
1208 file->f_flags & O_NONBLOCK));
1211 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1213 struct cx8800_fh *fh = priv;
1214 struct cx8800_dev *dev = fh->dev;
1216 /* We should remember that this driver also supports teletext, */
1217 /* so we have to test if the v4l2_buf_type is VBI capture data. */
1218 if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1219 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
1220 return -EINVAL;
1222 if (unlikely(i != fh->type))
1223 return -EINVAL;
1225 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1226 return -EBUSY;
1227 return videobuf_streamon(get_queue(fh));
1230 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1232 struct cx8800_fh *fh = priv;
1233 struct cx8800_dev *dev = fh->dev;
1234 int err, res;
1236 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
1237 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
1238 return -EINVAL;
1240 if (i != fh->type)
1241 return -EINVAL;
1243 res = get_ressource(fh);
1244 err = videobuf_streamoff(get_queue(fh));
1245 if (err < 0)
1246 return err;
1247 res_free(dev,fh,res);
1248 return 0;
1251 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1253 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1255 mutex_lock(&core->lock);
1256 cx88_set_tvnorm(core,*tvnorms);
1257 mutex_unlock(&core->lock);
1259 return 0;
1262 /* only one input in this sample driver */
1263 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1265 static const char * const iname[] = {
1266 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1267 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1268 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1269 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1270 [ CX88_VMUX_SVIDEO ] = "S-Video",
1271 [ CX88_VMUX_TELEVISION ] = "Television",
1272 [ CX88_VMUX_CABLE ] = "Cable TV",
1273 [ CX88_VMUX_DVB ] = "DVB",
1274 [ CX88_VMUX_DEBUG ] = "for debug only",
1276 unsigned int n = i->index;
1278 if (n >= 4)
1279 return -EINVAL;
1280 if (0 == INPUT(n).type)
1281 return -EINVAL;
1282 i->type = V4L2_INPUT_TYPE_CAMERA;
1283 strcpy(i->name,iname[INPUT(n).type]);
1284 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1285 (CX88_VMUX_CABLE == INPUT(n).type)) {
1286 i->type = V4L2_INPUT_TYPE_TUNER;
1287 i->std = CX88_NORMS;
1289 return 0;
1291 EXPORT_SYMBOL(cx88_enum_input);
1293 static int vidioc_enum_input (struct file *file, void *priv,
1294 struct v4l2_input *i)
1296 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1297 return cx88_enum_input (core,i);
1300 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1302 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1304 *i = core->input;
1305 return 0;
1308 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1310 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1312 if (i >= 4)
1313 return -EINVAL;
1315 mutex_lock(&core->lock);
1316 cx88_newstation(core);
1317 cx88_video_mux(core,i);
1318 mutex_unlock(&core->lock);
1319 return 0;
1324 static int vidioc_queryctrl (struct file *file, void *priv,
1325 struct v4l2_queryctrl *qctrl)
1327 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1329 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1330 if (unlikely(qctrl->id == 0))
1331 return -EINVAL;
1332 return cx8800_ctrl_query(core, qctrl);
1335 static int vidioc_g_ctrl (struct file *file, void *priv,
1336 struct v4l2_control *ctl)
1338 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1339 return
1340 cx88_get_control(core,ctl);
1343 static int vidioc_s_ctrl (struct file *file, void *priv,
1344 struct v4l2_control *ctl)
1346 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1347 return
1348 cx88_set_control(core,ctl);
1351 static int vidioc_g_tuner (struct file *file, void *priv,
1352 struct v4l2_tuner *t)
1354 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1355 u32 reg;
1357 if (unlikely(UNSET == core->board.tuner_type))
1358 return -EINVAL;
1359 if (0 != t->index)
1360 return -EINVAL;
1362 strcpy(t->name, "Television");
1363 t->type = V4L2_TUNER_ANALOG_TV;
1364 t->capability = V4L2_TUNER_CAP_NORM;
1365 t->rangehigh = 0xffffffffUL;
1367 cx88_get_stereo(core ,t);
1368 reg = cx_read(MO_DEVICE_STATUS);
1369 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1370 return 0;
1373 static int vidioc_s_tuner (struct file *file, void *priv,
1374 struct v4l2_tuner *t)
1376 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1378 if (UNSET == core->board.tuner_type)
1379 return -EINVAL;
1380 if (0 != t->index)
1381 return -EINVAL;
1383 cx88_set_stereo(core, t->audmode, 1);
1384 return 0;
1387 static int vidioc_g_frequency (struct file *file, void *priv,
1388 struct v4l2_frequency *f)
1390 struct cx8800_fh *fh = priv;
1391 struct cx88_core *core = fh->dev->core;
1393 if (unlikely(UNSET == core->board.tuner_type))
1394 return -EINVAL;
1396 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1397 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1398 f->frequency = core->freq;
1400 call_all(core, tuner, g_frequency, f);
1402 return 0;
1405 int cx88_set_freq (struct cx88_core *core,
1406 struct v4l2_frequency *f)
1408 if (unlikely(UNSET == core->board.tuner_type))
1409 return -EINVAL;
1410 if (unlikely(f->tuner != 0))
1411 return -EINVAL;
1413 mutex_lock(&core->lock);
1414 core->freq = f->frequency;
1415 cx88_newstation(core);
1416 call_all(core, tuner, s_frequency, f);
1418 /* When changing channels it is required to reset TVAUDIO */
1419 msleep (10);
1420 cx88_set_tvaudio(core);
1422 mutex_unlock(&core->lock);
1424 return 0;
1426 EXPORT_SYMBOL(cx88_set_freq);
1428 static int vidioc_s_frequency (struct file *file, void *priv,
1429 struct v4l2_frequency *f)
1431 struct cx8800_fh *fh = priv;
1432 struct cx88_core *core = fh->dev->core;
1434 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1435 return -EINVAL;
1436 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1437 return -EINVAL;
1439 return
1440 cx88_set_freq (core,f);
1443 #ifdef CONFIG_VIDEO_ADV_DEBUG
1444 static int vidioc_g_register (struct file *file, void *fh,
1445 struct v4l2_dbg_register *reg)
1447 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1449 if (!v4l2_chip_match_host(&reg->match))
1450 return -EINVAL;
1451 /* cx2388x has a 24-bit register space */
1452 reg->val = cx_read(reg->reg & 0xffffff);
1453 reg->size = 4;
1454 return 0;
1457 static int vidioc_s_register (struct file *file, void *fh,
1458 struct v4l2_dbg_register *reg)
1460 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1462 if (!v4l2_chip_match_host(&reg->match))
1463 return -EINVAL;
1464 cx_write(reg->reg & 0xffffff, reg->val);
1465 return 0;
1467 #endif
1469 /* ----------------------------------------------------------- */
1470 /* RADIO ESPECIFIC IOCTLS */
1471 /* ----------------------------------------------------------- */
1473 static int radio_querycap (struct file *file, void *priv,
1474 struct v4l2_capability *cap)
1476 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1477 struct cx88_core *core = dev->core;
1479 strcpy(cap->driver, "cx8800");
1480 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1481 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1482 cap->version = CX88_VERSION_CODE;
1483 cap->capabilities = V4L2_CAP_TUNER;
1484 return 0;
1487 static int radio_g_tuner (struct file *file, void *priv,
1488 struct v4l2_tuner *t)
1490 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1492 if (unlikely(t->index > 0))
1493 return -EINVAL;
1495 strcpy(t->name, "Radio");
1496 t->type = V4L2_TUNER_RADIO;
1498 call_all(core, tuner, g_tuner, t);
1499 return 0;
1502 static int radio_enum_input (struct file *file, void *priv,
1503 struct v4l2_input *i)
1505 if (i->index != 0)
1506 return -EINVAL;
1507 strcpy(i->name,"Radio");
1508 i->type = V4L2_INPUT_TYPE_TUNER;
1510 return 0;
1513 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1515 if (unlikely(a->index))
1516 return -EINVAL;
1518 strcpy(a->name,"Radio");
1519 return 0;
1522 /* FIXME: Should add a standard for radio */
1524 static int radio_s_tuner (struct file *file, void *priv,
1525 struct v4l2_tuner *t)
1527 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1529 if (0 != t->index)
1530 return -EINVAL;
1532 call_all(core, tuner, s_tuner, t);
1534 return 0;
1537 static int radio_s_audio (struct file *file, void *fh,
1538 struct v4l2_audio *a)
1540 return 0;
1543 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1545 return 0;
1548 static int radio_queryctrl (struct file *file, void *priv,
1549 struct v4l2_queryctrl *c)
1551 int i;
1553 if (c->id < V4L2_CID_BASE ||
1554 c->id >= V4L2_CID_LASTP1)
1555 return -EINVAL;
1556 if (c->id == V4L2_CID_AUDIO_MUTE ||
1557 c->id == V4L2_CID_AUDIO_VOLUME ||
1558 c->id == V4L2_CID_AUDIO_BALANCE) {
1559 for (i = 0; i < CX8800_CTLS; i++) {
1560 if (cx8800_ctls[i].v.id == c->id)
1561 break;
1563 if (i == CX8800_CTLS)
1564 return -EINVAL;
1565 *c = cx8800_ctls[i].v;
1566 } else
1567 *c = no_ctl;
1568 return 0;
1571 /* ----------------------------------------------------------- */
1573 static void cx8800_vid_timeout(unsigned long data)
1575 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1576 struct cx88_core *core = dev->core;
1577 struct cx88_dmaqueue *q = &dev->vidq;
1578 struct cx88_buffer *buf;
1579 unsigned long flags;
1581 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1583 cx_clear(MO_VID_DMACNTRL, 0x11);
1584 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1586 spin_lock_irqsave(&dev->slock,flags);
1587 while (!list_empty(&q->active)) {
1588 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1589 list_del(&buf->vb.queue);
1590 buf->vb.state = VIDEOBUF_ERROR;
1591 wake_up(&buf->vb.done);
1592 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1593 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1595 restart_video_queue(dev,q);
1596 spin_unlock_irqrestore(&dev->slock,flags);
1599 static const char *cx88_vid_irqs[32] = {
1600 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1601 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1602 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1603 "y_sync", "u_sync", "v_sync", "vbi_sync",
1604 "opc_err", "par_err", "rip_err", "pci_abort",
1607 static void cx8800_vid_irq(struct cx8800_dev *dev)
1609 struct cx88_core *core = dev->core;
1610 u32 status, mask, count;
1612 status = cx_read(MO_VID_INTSTAT);
1613 mask = cx_read(MO_VID_INTMSK);
1614 if (0 == (status & mask))
1615 return;
1616 cx_write(MO_VID_INTSTAT, status);
1617 if (irq_debug || (status & mask & ~0xff))
1618 cx88_print_irqbits(core->name, "irq vid",
1619 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1620 status, mask);
1622 /* risc op code error */
1623 if (status & (1 << 16)) {
1624 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1625 cx_clear(MO_VID_DMACNTRL, 0x11);
1626 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1627 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1630 /* risc1 y */
1631 if (status & 0x01) {
1632 spin_lock(&dev->slock);
1633 count = cx_read(MO_VIDY_GPCNT);
1634 cx88_wakeup(core, &dev->vidq, count);
1635 spin_unlock(&dev->slock);
1638 /* risc1 vbi */
1639 if (status & 0x08) {
1640 spin_lock(&dev->slock);
1641 count = cx_read(MO_VBI_GPCNT);
1642 cx88_wakeup(core, &dev->vbiq, count);
1643 spin_unlock(&dev->slock);
1646 /* risc2 y */
1647 if (status & 0x10) {
1648 dprintk(2,"stopper video\n");
1649 spin_lock(&dev->slock);
1650 restart_video_queue(dev,&dev->vidq);
1651 spin_unlock(&dev->slock);
1654 /* risc2 vbi */
1655 if (status & 0x80) {
1656 dprintk(2,"stopper vbi\n");
1657 spin_lock(&dev->slock);
1658 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1659 spin_unlock(&dev->slock);
1663 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1665 struct cx8800_dev *dev = dev_id;
1666 struct cx88_core *core = dev->core;
1667 u32 status;
1668 int loop, handled = 0;
1670 for (loop = 0; loop < 10; loop++) {
1671 status = cx_read(MO_PCI_INTSTAT) &
1672 (core->pci_irqmask | PCI_INT_VIDINT);
1673 if (0 == status)
1674 goto out;
1675 cx_write(MO_PCI_INTSTAT, status);
1676 handled = 1;
1678 if (status & core->pci_irqmask)
1679 cx88_core_irq(core,status);
1680 if (status & PCI_INT_VIDINT)
1681 cx8800_vid_irq(dev);
1683 if (10 == loop) {
1684 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1685 core->name);
1686 cx_write(MO_PCI_INTMSK,0);
1689 out:
1690 return IRQ_RETVAL(handled);
1693 /* ----------------------------------------------------------- */
1694 /* exported stuff */
1696 static const struct v4l2_file_operations video_fops =
1698 .owner = THIS_MODULE,
1699 .open = video_open,
1700 .release = video_release,
1701 .read = video_read,
1702 .poll = video_poll,
1703 .mmap = video_mmap,
1704 .unlocked_ioctl = video_ioctl2,
1707 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1708 .vidioc_querycap = vidioc_querycap,
1709 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1710 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1711 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1712 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1713 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
1714 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
1715 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
1716 .vidioc_reqbufs = vidioc_reqbufs,
1717 .vidioc_querybuf = vidioc_querybuf,
1718 .vidioc_qbuf = vidioc_qbuf,
1719 .vidioc_dqbuf = vidioc_dqbuf,
1720 .vidioc_s_std = vidioc_s_std,
1721 .vidioc_enum_input = vidioc_enum_input,
1722 .vidioc_g_input = vidioc_g_input,
1723 .vidioc_s_input = vidioc_s_input,
1724 .vidioc_queryctrl = vidioc_queryctrl,
1725 .vidioc_g_ctrl = vidioc_g_ctrl,
1726 .vidioc_s_ctrl = vidioc_s_ctrl,
1727 .vidioc_streamon = vidioc_streamon,
1728 .vidioc_streamoff = vidioc_streamoff,
1729 .vidioc_g_tuner = vidioc_g_tuner,
1730 .vidioc_s_tuner = vidioc_s_tuner,
1731 .vidioc_g_frequency = vidioc_g_frequency,
1732 .vidioc_s_frequency = vidioc_s_frequency,
1733 #ifdef CONFIG_VIDEO_ADV_DEBUG
1734 .vidioc_g_register = vidioc_g_register,
1735 .vidioc_s_register = vidioc_s_register,
1736 #endif
1739 static struct video_device cx8800_vbi_template;
1741 static const struct video_device cx8800_video_template = {
1742 .name = "cx8800-video",
1743 .fops = &video_fops,
1744 .ioctl_ops = &video_ioctl_ops,
1745 .tvnorms = CX88_NORMS,
1746 .current_norm = V4L2_STD_NTSC_M,
1749 static const struct v4l2_file_operations radio_fops =
1751 .owner = THIS_MODULE,
1752 .open = video_open,
1753 .release = video_release,
1754 .unlocked_ioctl = video_ioctl2,
1757 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1758 .vidioc_querycap = radio_querycap,
1759 .vidioc_g_tuner = radio_g_tuner,
1760 .vidioc_enum_input = radio_enum_input,
1761 .vidioc_g_audio = radio_g_audio,
1762 .vidioc_s_tuner = radio_s_tuner,
1763 .vidioc_s_audio = radio_s_audio,
1764 .vidioc_s_input = radio_s_input,
1765 .vidioc_queryctrl = radio_queryctrl,
1766 .vidioc_g_ctrl = vidioc_g_ctrl,
1767 .vidioc_s_ctrl = vidioc_s_ctrl,
1768 .vidioc_g_frequency = vidioc_g_frequency,
1769 .vidioc_s_frequency = vidioc_s_frequency,
1770 #ifdef CONFIG_VIDEO_ADV_DEBUG
1771 .vidioc_g_register = vidioc_g_register,
1772 .vidioc_s_register = vidioc_s_register,
1773 #endif
1776 static const struct video_device cx8800_radio_template = {
1777 .name = "cx8800-radio",
1778 .fops = &radio_fops,
1779 .ioctl_ops = &radio_ioctl_ops,
1782 /* ----------------------------------------------------------- */
1784 static void cx8800_unregister_video(struct cx8800_dev *dev)
1786 if (dev->radio_dev) {
1787 if (video_is_registered(dev->radio_dev))
1788 video_unregister_device(dev->radio_dev);
1789 else
1790 video_device_release(dev->radio_dev);
1791 dev->radio_dev = NULL;
1793 if (dev->vbi_dev) {
1794 if (video_is_registered(dev->vbi_dev))
1795 video_unregister_device(dev->vbi_dev);
1796 else
1797 video_device_release(dev->vbi_dev);
1798 dev->vbi_dev = NULL;
1800 if (dev->video_dev) {
1801 if (video_is_registered(dev->video_dev))
1802 video_unregister_device(dev->video_dev);
1803 else
1804 video_device_release(dev->video_dev);
1805 dev->video_dev = NULL;
1809 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1810 const struct pci_device_id *pci_id)
1812 struct cx8800_dev *dev;
1813 struct cx88_core *core;
1815 int err;
1817 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1818 if (NULL == dev)
1819 return -ENOMEM;
1821 /* pci init */
1822 dev->pci = pci_dev;
1823 if (pci_enable_device(pci_dev)) {
1824 err = -EIO;
1825 goto fail_free;
1827 core = cx88_core_get(dev->pci);
1828 if (NULL == core) {
1829 err = -EINVAL;
1830 goto fail_free;
1832 dev->core = core;
1834 /* print pci info */
1835 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1836 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1837 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1838 "latency: %d, mmio: 0x%llx\n", core->name,
1839 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1840 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1842 pci_set_master(pci_dev);
1843 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1844 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1845 err = -EIO;
1846 goto fail_core;
1849 /* Initialize VBI template */
1850 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1851 sizeof(cx8800_vbi_template) );
1852 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1854 /* initialize driver struct */
1855 spin_lock_init(&dev->slock);
1856 core->tvnorm = cx8800_video_template.current_norm;
1858 /* init video dma queues */
1859 INIT_LIST_HEAD(&dev->vidq.active);
1860 INIT_LIST_HEAD(&dev->vidq.queued);
1861 dev->vidq.timeout.function = cx8800_vid_timeout;
1862 dev->vidq.timeout.data = (unsigned long)dev;
1863 init_timer(&dev->vidq.timeout);
1864 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1865 MO_VID_DMACNTRL,0x11,0x00);
1867 /* init vbi dma queues */
1868 INIT_LIST_HEAD(&dev->vbiq.active);
1869 INIT_LIST_HEAD(&dev->vbiq.queued);
1870 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1871 dev->vbiq.timeout.data = (unsigned long)dev;
1872 init_timer(&dev->vbiq.timeout);
1873 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1874 MO_VID_DMACNTRL,0x88,0x00);
1876 /* get irq */
1877 err = request_irq(pci_dev->irq, cx8800_irq,
1878 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1879 if (err < 0) {
1880 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1881 core->name,pci_dev->irq);
1882 goto fail_core;
1884 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1886 /* load and configure helper modules */
1888 if (core->board.audio_chip == V4L2_IDENT_WM8775) {
1889 struct i2c_board_info wm8775_info = {
1890 .type = "wm8775",
1891 .addr = 0x36 >> 1,
1892 .platform_data = &core->wm8775_data,
1894 struct v4l2_subdev *sd;
1896 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1897 core->wm8775_data.is_nova_s = true;
1898 else
1899 core->wm8775_data.is_nova_s = false;
1901 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1902 &wm8775_info, NULL);
1903 if (sd != NULL)
1904 sd->grp_id = WM8775_GID;
1907 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
1908 /* This probes for a tda9874 as is used on some
1909 Pixelview Ultra boards. */
1910 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1911 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1914 switch (core->boardnr) {
1915 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1916 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1917 static const struct i2c_board_info rtc_info = {
1918 I2C_BOARD_INFO("isl1208", 0x6f)
1921 request_module("rtc-isl1208");
1922 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1924 /* break intentionally omitted */
1925 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1926 request_module("ir-kbd-i2c");
1929 /* Sets device info at pci_dev */
1930 pci_set_drvdata(pci_dev, dev);
1932 /* initial device configuration */
1933 mutex_lock(&core->lock);
1934 cx88_set_tvnorm(core, core->tvnorm);
1935 init_controls(core);
1936 cx88_video_mux(core, 0);
1938 /* register v4l devices */
1939 dev->video_dev = cx88_vdev_init(core,dev->pci,
1940 &cx8800_video_template,"video");
1941 video_set_drvdata(dev->video_dev, dev);
1942 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1943 video_nr[core->nr]);
1944 if (err < 0) {
1945 printk(KERN_ERR "%s/0: can't register video device\n",
1946 core->name);
1947 goto fail_unreg;
1949 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1950 core->name, video_device_node_name(dev->video_dev));
1952 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1953 video_set_drvdata(dev->vbi_dev, dev);
1954 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1955 vbi_nr[core->nr]);
1956 if (err < 0) {
1957 printk(KERN_ERR "%s/0: can't register vbi device\n",
1958 core->name);
1959 goto fail_unreg;
1961 printk(KERN_INFO "%s/0: registered device %s\n",
1962 core->name, video_device_node_name(dev->vbi_dev));
1964 if (core->board.radio.type == CX88_RADIO) {
1965 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1966 &cx8800_radio_template,"radio");
1967 video_set_drvdata(dev->radio_dev, dev);
1968 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1969 radio_nr[core->nr]);
1970 if (err < 0) {
1971 printk(KERN_ERR "%s/0: can't register radio device\n",
1972 core->name);
1973 goto fail_unreg;
1975 printk(KERN_INFO "%s/0: registered device %s\n",
1976 core->name, video_device_node_name(dev->radio_dev));
1979 /* start tvaudio thread */
1980 if (core->board.tuner_type != TUNER_ABSENT) {
1981 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1982 if (IS_ERR(core->kthread)) {
1983 err = PTR_ERR(core->kthread);
1984 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1985 core->name, err);
1988 mutex_unlock(&core->lock);
1990 return 0;
1992 fail_unreg:
1993 cx8800_unregister_video(dev);
1994 free_irq(pci_dev->irq, dev);
1995 mutex_unlock(&core->lock);
1996 fail_core:
1997 cx88_core_put(core,dev->pci);
1998 fail_free:
1999 kfree(dev);
2000 return err;
2003 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
2005 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2006 struct cx88_core *core = dev->core;
2008 /* stop thread */
2009 if (core->kthread) {
2010 kthread_stop(core->kthread);
2011 core->kthread = NULL;
2014 if (core->ir)
2015 cx88_ir_stop(core);
2017 cx88_shutdown(core); /* FIXME */
2018 pci_disable_device(pci_dev);
2020 /* unregister stuff */
2022 free_irq(pci_dev->irq, dev);
2023 cx8800_unregister_video(dev);
2024 pci_set_drvdata(pci_dev, NULL);
2026 /* free memory */
2027 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
2028 cx88_core_put(core,dev->pci);
2029 kfree(dev);
2032 #ifdef CONFIG_PM
2033 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
2035 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2036 struct cx88_core *core = dev->core;
2038 /* stop video+vbi capture */
2039 spin_lock(&dev->slock);
2040 if (!list_empty(&dev->vidq.active)) {
2041 printk("%s/0: suspend video\n", core->name);
2042 stop_video_dma(dev);
2043 del_timer(&dev->vidq.timeout);
2045 if (!list_empty(&dev->vbiq.active)) {
2046 printk("%s/0: suspend vbi\n", core->name);
2047 cx8800_stop_vbi_dma(dev);
2048 del_timer(&dev->vbiq.timeout);
2050 spin_unlock(&dev->slock);
2052 if (core->ir)
2053 cx88_ir_stop(core);
2054 /* FIXME -- shutdown device */
2055 cx88_shutdown(core);
2057 pci_save_state(pci_dev);
2058 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
2059 pci_disable_device(pci_dev);
2060 dev->state.disabled = 1;
2062 return 0;
2065 static int cx8800_resume(struct pci_dev *pci_dev)
2067 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
2068 struct cx88_core *core = dev->core;
2069 int err;
2071 if (dev->state.disabled) {
2072 err=pci_enable_device(pci_dev);
2073 if (err) {
2074 printk(KERN_ERR "%s/0: can't enable device\n",
2075 core->name);
2076 return err;
2079 dev->state.disabled = 0;
2081 err= pci_set_power_state(pci_dev, PCI_D0);
2082 if (err) {
2083 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
2084 pci_disable_device(pci_dev);
2085 dev->state.disabled = 1;
2087 return err;
2089 pci_restore_state(pci_dev);
2091 /* FIXME: re-initialize hardware */
2092 cx88_reset(core);
2093 if (core->ir)
2094 cx88_ir_start(core);
2096 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
2098 /* restart video+vbi capture */
2099 spin_lock(&dev->slock);
2100 if (!list_empty(&dev->vidq.active)) {
2101 printk("%s/0: resume video\n", core->name);
2102 restart_video_queue(dev,&dev->vidq);
2104 if (!list_empty(&dev->vbiq.active)) {
2105 printk("%s/0: resume vbi\n", core->name);
2106 cx8800_restart_vbi_queue(dev,&dev->vbiq);
2108 spin_unlock(&dev->slock);
2110 return 0;
2112 #endif
2114 /* ----------------------------------------------------------- */
2116 static const struct pci_device_id cx8800_pci_tbl[] = {
2118 .vendor = 0x14f1,
2119 .device = 0x8800,
2120 .subvendor = PCI_ANY_ID,
2121 .subdevice = PCI_ANY_ID,
2123 /* --- end of list --- */
2126 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2128 static struct pci_driver cx8800_pci_driver = {
2129 .name = "cx8800",
2130 .id_table = cx8800_pci_tbl,
2131 .probe = cx8800_initdev,
2132 .remove = __devexit_p(cx8800_finidev),
2133 #ifdef CONFIG_PM
2134 .suspend = cx8800_suspend,
2135 .resume = cx8800_resume,
2136 #endif
2139 static int __init cx8800_init(void)
2141 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2142 (CX88_VERSION_CODE >> 16) & 0xff,
2143 (CX88_VERSION_CODE >> 8) & 0xff,
2144 CX88_VERSION_CODE & 0xff);
2145 #ifdef SNAPSHOT
2146 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2147 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2148 #endif
2149 return pci_register_driver(&cx8800_pci_driver);
2152 static void __exit cx8800_fini(void)
2154 pci_unregister_driver(&cx8800_pci_driver);
2157 module_init(cx8800_init);
2158 module_exit(cx8800_fini);
2160 /* ----------------------------------------------------------- */
2162 * Local variables:
2163 * c-basic-offset: 8
2164 * End:
2165 * 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