Version:  2.0.40 2.2.26 2.4.37 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19

Linux/drivers/media/pci/cx88/cx88-video.c

  1 /*
  2  *
  3  * device driver for Conexant 2388x based TV cards
  4  * video4linux video interface
  5  *
  6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
  7  *
  8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
  9  *      - Multituner support
 10  *      - video_ioctl2 conversion
 11  *      - PAL/M fixes
 12  *
 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.
 17  *
 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.
 22  *
 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.
 26  */
 27 
 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>
 39 
 40 #include "cx88.h"
 41 #include <media/v4l2-common.h>
 42 #include <media/v4l2-ioctl.h>
 43 #include <media/v4l2-event.h>
 44 #include <media/wm8775.h>
 45 
 46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
 47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 48 MODULE_LICENSE("GPL");
 49 MODULE_VERSION(CX88_VERSION);
 50 
 51 /* ------------------------------------------------------------------ */
 52 
 53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 54 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 56 
 57 module_param_array(video_nr, int, NULL, 0444);
 58 module_param_array(vbi_nr,   int, NULL, 0444);
 59 module_param_array(radio_nr, int, NULL, 0444);
 60 
 61 MODULE_PARM_DESC(video_nr,"video device numbers");
 62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
 63 MODULE_PARM_DESC(radio_nr,"radio device numbers");
 64 
 65 static unsigned int video_debug;
 66 module_param(video_debug,int,0644);
 67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
 68 
 69 static unsigned int irq_debug;
 70 module_param(irq_debug,int,0644);
 71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
 72 
 73 #define dprintk(level,fmt, arg...)      if (video_debug >= level) \
 74         printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
 75 
 76 /* ------------------------------------------------------------------- */
 77 /* static data                                                         */
 78 
 79 static const struct cx8800_fmt formats[] = {
 80         {
 81                 .name     = "8 bpp, gray",
 82                 .fourcc   = V4L2_PIX_FMT_GREY,
 83                 .cxformat = ColorFormatY8,
 84                 .depth    = 8,
 85                 .flags    = FORMAT_FLAGS_PACKED,
 86         },{
 87                 .name     = "15 bpp RGB, le",
 88                 .fourcc   = V4L2_PIX_FMT_RGB555,
 89                 .cxformat = ColorFormatRGB15,
 90                 .depth    = 16,
 91                 .flags    = FORMAT_FLAGS_PACKED,
 92         },{
 93                 .name     = "15 bpp RGB, be",
 94                 .fourcc   = V4L2_PIX_FMT_RGB555X,
 95                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
 96                 .depth    = 16,
 97                 .flags    = FORMAT_FLAGS_PACKED,
 98         },{
 99                 .name     = "16 bpp RGB, le",
100                 .fourcc   = V4L2_PIX_FMT_RGB565,
101                 .cxformat = ColorFormatRGB16,
102                 .depth    = 16,
103                 .flags    = FORMAT_FLAGS_PACKED,
104         },{
105                 .name     = "16 bpp RGB, be",
106                 .fourcc   = V4L2_PIX_FMT_RGB565X,
107                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
108                 .depth    = 16,
109                 .flags    = FORMAT_FLAGS_PACKED,
110         },{
111                 .name     = "24 bpp RGB, le",
112                 .fourcc   = V4L2_PIX_FMT_BGR24,
113                 .cxformat = ColorFormatRGB24,
114                 .depth    = 24,
115                 .flags    = FORMAT_FLAGS_PACKED,
116         },{
117                 .name     = "32 bpp RGB, le",
118                 .fourcc   = V4L2_PIX_FMT_BGR32,
119                 .cxformat = ColorFormatRGB32,
120                 .depth    = 32,
121                 .flags    = FORMAT_FLAGS_PACKED,
122         },{
123                 .name     = "32 bpp RGB, be",
124                 .fourcc   = V4L2_PIX_FMT_RGB32,
125                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
126                 .depth    = 32,
127                 .flags    = FORMAT_FLAGS_PACKED,
128         },{
129                 .name     = "4:2:2, packed, YUYV",
130                 .fourcc   = V4L2_PIX_FMT_YUYV,
131                 .cxformat = ColorFormatYUY2,
132                 .depth    = 16,
133                 .flags    = FORMAT_FLAGS_PACKED,
134         },{
135                 .name     = "4:2:2, packed, UYVY",
136                 .fourcc   = V4L2_PIX_FMT_UYVY,
137                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
138                 .depth    = 16,
139                 .flags    = FORMAT_FLAGS_PACKED,
140         },
141 };
142 
143 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
144 {
145         unsigned int i;
146 
147         for (i = 0; i < ARRAY_SIZE(formats); i++)
148                 if (formats[i].fourcc == fourcc)
149                         return formats+i;
150         return NULL;
151 }
152 
153 /* ------------------------------------------------------------------- */
154 
155 struct cx88_ctrl {
156         /* control information */
157         u32 id;
158         s32 minimum;
159         s32 maximum;
160         u32 step;
161         s32 default_value;
162 
163         /* control register information */
164         u32 off;
165         u32 reg;
166         u32 sreg;
167         u32 mask;
168         u32 shift;
169 };
170 
171 static const struct cx88_ctrl cx8800_vid_ctls[] = {
172         /* --- video --- */
173         {
174                 .id            = V4L2_CID_BRIGHTNESS,
175                 .minimum       = 0x00,
176                 .maximum       = 0xff,
177                 .step          = 1,
178                 .default_value = 0x7f,
179                 .off           = 128,
180                 .reg           = MO_CONTR_BRIGHT,
181                 .mask          = 0x00ff,
182                 .shift         = 0,
183         },{
184                 .id            = V4L2_CID_CONTRAST,
185                 .minimum       = 0,
186                 .maximum       = 0xff,
187                 .step          = 1,
188                 .default_value = 0x3f,
189                 .off           = 0,
190                 .reg           = MO_CONTR_BRIGHT,
191                 .mask          = 0xff00,
192                 .shift         = 8,
193         },{
194                 .id            = V4L2_CID_HUE,
195                 .minimum       = 0,
196                 .maximum       = 0xff,
197                 .step          = 1,
198                 .default_value = 0x7f,
199                 .off           = 128,
200                 .reg           = MO_HUE,
201                 .mask          = 0x00ff,
202                 .shift         = 0,
203         },{
204                 /* strictly, this only describes only U saturation.
205                  * V saturation is handled specially through code.
206                  */
207                 .id            = V4L2_CID_SATURATION,
208                 .minimum       = 0,
209                 .maximum       = 0xff,
210                 .step          = 1,
211                 .default_value = 0x7f,
212                 .off           = 0,
213                 .reg           = MO_UV_SATURATION,
214                 .mask          = 0x00ff,
215                 .shift         = 0,
216         }, {
217                 .id            = V4L2_CID_SHARPNESS,
218                 .minimum       = 0,
219                 .maximum       = 4,
220                 .step          = 1,
221                 .default_value = 0x0,
222                 .off           = 0,
223                 /* NOTE: the value is converted and written to both even
224                    and odd registers in the code */
225                 .reg           = MO_FILTER_ODD,
226                 .mask          = 7 << 7,
227                 .shift         = 7,
228         }, {
229                 .id            = V4L2_CID_CHROMA_AGC,
230                 .minimum       = 0,
231                 .maximum       = 1,
232                 .default_value = 0x1,
233                 .reg           = MO_INPUT_FORMAT,
234                 .mask          = 1 << 10,
235                 .shift         = 10,
236         }, {
237                 .id            = V4L2_CID_COLOR_KILLER,
238                 .minimum       = 0,
239                 .maximum       = 1,
240                 .default_value = 0x1,
241                 .reg           = MO_INPUT_FORMAT,
242                 .mask          = 1 << 9,
243                 .shift         = 9,
244         }, {
245                 .id            = V4L2_CID_BAND_STOP_FILTER,
246                 .minimum       = 0,
247                 .maximum       = 1,
248                 .step          = 1,
249                 .default_value = 0x0,
250                 .off           = 0,
251                 .reg           = MO_HTOTAL,
252                 .mask          = 3 << 11,
253                 .shift         = 11,
254         }
255 };
256 
257 static const struct cx88_ctrl cx8800_aud_ctls[] = {
258         {
259                 /* --- audio --- */
260                 .id            = V4L2_CID_AUDIO_MUTE,
261                 .minimum       = 0,
262                 .maximum       = 1,
263                 .default_value = 1,
264                 .reg           = AUD_VOL_CTL,
265                 .sreg          = SHADOW_AUD_VOL_CTL,
266                 .mask          = (1 << 6),
267                 .shift         = 6,
268         },{
269                 .id            = V4L2_CID_AUDIO_VOLUME,
270                 .minimum       = 0,
271                 .maximum       = 0x3f,
272                 .step          = 1,
273                 .default_value = 0x3f,
274                 .reg           = AUD_VOL_CTL,
275                 .sreg          = SHADOW_AUD_VOL_CTL,
276                 .mask          = 0x3f,
277                 .shift         = 0,
278         },{
279                 .id            = V4L2_CID_AUDIO_BALANCE,
280                 .minimum       = 0,
281                 .maximum       = 0x7f,
282                 .step          = 1,
283                 .default_value = 0x40,
284                 .reg           = AUD_BAL_CTL,
285                 .sreg          = SHADOW_AUD_BAL_CTL,
286                 .mask          = 0x7f,
287                 .shift         = 0,
288         }
289 };
290 
291 enum {
292         CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
293         CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
294 };
295 
296 /* ------------------------------------------------------------------ */
297 
298 int cx88_video_mux(struct cx88_core *core, unsigned int input)
299 {
300         /* struct cx88_core *core = dev->core; */
301 
302         dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
303                 input, INPUT(input).vmux,
304                 INPUT(input).gpio0,INPUT(input).gpio1,
305                 INPUT(input).gpio2,INPUT(input).gpio3);
306         core->input = input;
307         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
308         cx_write(MO_GP3_IO, INPUT(input).gpio3);
309         cx_write(MO_GP0_IO, INPUT(input).gpio0);
310         cx_write(MO_GP1_IO, INPUT(input).gpio1);
311         cx_write(MO_GP2_IO, INPUT(input).gpio2);
312 
313         switch (INPUT(input).type) {
314         case CX88_VMUX_SVIDEO:
315                 cx_set(MO_AFECFG_IO,    0x00000001);
316                 cx_set(MO_INPUT_FORMAT, 0x00010010);
317                 cx_set(MO_FILTER_EVEN,  0x00002020);
318                 cx_set(MO_FILTER_ODD,   0x00002020);
319                 break;
320         default:
321                 cx_clear(MO_AFECFG_IO,    0x00000001);
322                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
323                 cx_clear(MO_FILTER_EVEN,  0x00002020);
324                 cx_clear(MO_FILTER_ODD,   0x00002020);
325                 break;
326         }
327 
328         /* if there are audioroutes defined, we have an external
329            ADC to deal with audio */
330         if (INPUT(input).audioroute) {
331                 /* The wm8775 module has the "2" route hardwired into
332                    the initialization. Some boards may use different
333                    routes for different inputs. HVR-1300 surely does */
334                 if (core->sd_wm8775) {
335                         call_all(core, audio, s_routing,
336                                  INPUT(input).audioroute, 0, 0);
337                 }
338                 /* cx2388's C-ADC is connected to the tuner only.
339                    When used with S-Video, that ADC is busy dealing with
340                    chroma, so an external must be used for baseband audio */
341                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
342                     INPUT(input).type != CX88_VMUX_CABLE) {
343                         /* "I2S ADC mode" */
344                         core->tvaudio = WW_I2SADC;
345                         cx88_set_tvaudio(core);
346                 } else {
347                         /* Normal mode */
348                         cx_write(AUD_I2SCNTL, 0x0);
349                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
350                 }
351         }
352 
353         return 0;
354 }
355 EXPORT_SYMBOL(cx88_video_mux);
356 
357 /* ------------------------------------------------------------------ */
358 
359 static int start_video_dma(struct cx8800_dev    *dev,
360                            struct cx88_dmaqueue *q,
361                            struct cx88_buffer   *buf)
362 {
363         struct cx88_core *core = dev->core;
364 
365         /* setup fifo + format */
366         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
367                                 buf->bpl, buf->risc.dma);
368         cx88_set_scale(core, core->width, core->height, core->field);
369         cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
370 
371         /* reset counter */
372         cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
373         q->count = 1;
374 
375         /* enable irqs */
376         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
377 
378         /* Enables corresponding bits at PCI_INT_STAT:
379                 bits 0 to 4: video, audio, transport stream, VIP, Host
380                 bit 7: timer
381                 bits 8 and 9: DMA complete for: SRC, DST
382                 bits 10 and 11: BERR signal asserted for RISC: RD, WR
383                 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
384          */
385         cx_set(MO_VID_INTMSK, 0x0f0011);
386 
387         /* enable capture */
388         cx_set(VID_CAPTURE_CONTROL,0x06);
389 
390         /* start dma */
391         cx_set(MO_DEV_CNTRL2, (1<<5));
392         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
393 
394         return 0;
395 }
396 
397 #ifdef CONFIG_PM
398 static int stop_video_dma(struct cx8800_dev    *dev)
399 {
400         struct cx88_core *core = dev->core;
401 
402         /* stop dma */
403         cx_clear(MO_VID_DMACNTRL, 0x11);
404 
405         /* disable capture */
406         cx_clear(VID_CAPTURE_CONTROL,0x06);
407 
408         /* disable irqs */
409         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
410         cx_clear(MO_VID_INTMSK, 0x0f0011);
411         return 0;
412 }
413 #endif
414 
415 static int restart_video_queue(struct cx8800_dev    *dev,
416                                struct cx88_dmaqueue *q)
417 {
418         struct cx88_core *core = dev->core;
419         struct cx88_buffer *buf;
420 
421         if (!list_empty(&q->active)) {
422                 buf = list_entry(q->active.next, struct cx88_buffer, list);
423                 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
424                         buf, buf->vb.v4l2_buf.index);
425                 start_video_dma(dev, q, buf);
426                 list_for_each_entry(buf, &q->active, list)
427                         buf->count = q->count++;
428         }
429         return 0;
430 }
431 
432 /* ------------------------------------------------------------------ */
433 
434 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
435                            unsigned int *num_buffers, unsigned int *num_planes,
436                            unsigned int sizes[], void *alloc_ctxs[])
437 {
438         struct cx8800_dev *dev = q->drv_priv;
439         struct cx88_core *core = dev->core;
440 
441         *num_planes = 1;
442         sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
443         alloc_ctxs[0] = dev->alloc_ctx;
444         return 0;
445 }
446 
447 static int buffer_prepare(struct vb2_buffer *vb)
448 {
449         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
450         struct cx88_core *core = dev->core;
451         struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
452         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
453 
454         buf->bpl = core->width * dev->fmt->depth >> 3;
455 
456         if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
457                 return -EINVAL;
458         vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
459 
460         switch (core->field) {
461         case V4L2_FIELD_TOP:
462                 cx88_risc_buffer(dev->pci, &buf->risc,
463                                  sgt->sgl, 0, UNSET,
464                                  buf->bpl, 0, core->height);
465                 break;
466         case V4L2_FIELD_BOTTOM:
467                 cx88_risc_buffer(dev->pci, &buf->risc,
468                                  sgt->sgl, UNSET, 0,
469                                  buf->bpl, 0, core->height);
470                 break;
471         case V4L2_FIELD_SEQ_TB:
472                 cx88_risc_buffer(dev->pci, &buf->risc,
473                                  sgt->sgl,
474                                  0, buf->bpl * (core->height >> 1),
475                                  buf->bpl, 0,
476                                  core->height >> 1);
477                 break;
478         case V4L2_FIELD_SEQ_BT:
479                 cx88_risc_buffer(dev->pci, &buf->risc,
480                                  sgt->sgl,
481                                  buf->bpl * (core->height >> 1), 0,
482                                  buf->bpl, 0,
483                                  core->height >> 1);
484                 break;
485         case V4L2_FIELD_INTERLACED:
486         default:
487                 cx88_risc_buffer(dev->pci, &buf->risc,
488                                  sgt->sgl, 0, buf->bpl,
489                                  buf->bpl, buf->bpl,
490                                  core->height >> 1);
491                 break;
492         }
493         dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
494                 buf, buf->vb.v4l2_buf.index,
495                 core->width, core->height, dev->fmt->depth, dev->fmt->name,
496                 (unsigned long)buf->risc.dma);
497         return 0;
498 }
499 
500 static void buffer_finish(struct vb2_buffer *vb)
501 {
502         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
503         struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
504         struct cx88_riscmem *risc = &buf->risc;
505 
506         if (risc->cpu)
507                 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
508         memset(risc, 0, sizeof(*risc));
509 }
510 
511 static void buffer_queue(struct vb2_buffer *vb)
512 {
513         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
514         struct cx88_buffer    *buf = container_of(vb, struct cx88_buffer, vb);
515         struct cx88_buffer    *prev;
516         struct cx88_core      *core = dev->core;
517         struct cx88_dmaqueue  *q    = &dev->vidq;
518 
519         /* add jump to start */
520         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
521         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
522         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
523 
524         if (list_empty(&q->active)) {
525                 list_add_tail(&buf->list, &q->active);
526                 buf->count    = q->count++;
527                 dprintk(2,"[%p/%d] buffer_queue - first active\n",
528                         buf, buf->vb.v4l2_buf.index);
529 
530         } else {
531                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
532                 prev = list_entry(q->active.prev, struct cx88_buffer, list);
533                 list_add_tail(&buf->list, &q->active);
534                 buf->count    = q->count++;
535                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
536                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
537                         buf, buf->vb.v4l2_buf.index);
538         }
539 }
540 
541 static int start_streaming(struct vb2_queue *q, unsigned int count)
542 {
543         struct cx8800_dev *dev = q->drv_priv;
544         struct cx88_dmaqueue *dmaq = &dev->vidq;
545         struct cx88_buffer *buf = list_entry(dmaq->active.next,
546                         struct cx88_buffer, list);
547 
548         start_video_dma(dev, dmaq, buf);
549         return 0;
550 }
551 
552 static void stop_streaming(struct vb2_queue *q)
553 {
554         struct cx8800_dev *dev = q->drv_priv;
555         struct cx88_core *core = dev->core;
556         struct cx88_dmaqueue *dmaq = &dev->vidq;
557         unsigned long flags;
558 
559         cx_clear(MO_VID_DMACNTRL, 0x11);
560         cx_clear(VID_CAPTURE_CONTROL, 0x06);
561         spin_lock_irqsave(&dev->slock, flags);
562         while (!list_empty(&dmaq->active)) {
563                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
564                         struct cx88_buffer, list);
565 
566                 list_del(&buf->list);
567                 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
568         }
569         spin_unlock_irqrestore(&dev->slock, flags);
570 }
571 
572 static struct vb2_ops cx8800_video_qops = {
573         .queue_setup    = queue_setup,
574         .buf_prepare  = buffer_prepare,
575         .buf_finish = buffer_finish,
576         .buf_queue    = buffer_queue,
577         .wait_prepare = vb2_ops_wait_prepare,
578         .wait_finish = vb2_ops_wait_finish,
579         .start_streaming = start_streaming,
580         .stop_streaming = stop_streaming,
581 };
582 
583 /* ------------------------------------------------------------------ */
584 
585 static int radio_open(struct file *file)
586 {
587         struct cx8800_dev *dev = video_drvdata(file);
588         struct cx88_core *core = dev->core;
589         int ret = v4l2_fh_open(file);
590 
591         if (ret)
592                 return ret;
593 
594         cx_write(MO_GP3_IO, core->board.radio.gpio3);
595         cx_write(MO_GP0_IO, core->board.radio.gpio0);
596         cx_write(MO_GP1_IO, core->board.radio.gpio1);
597         cx_write(MO_GP2_IO, core->board.radio.gpio2);
598         if (core->board.radio.audioroute) {
599                 if (core->sd_wm8775) {
600                         call_all(core, audio, s_routing,
601                                         core->board.radio.audioroute, 0, 0);
602                 }
603                 /* "I2S ADC mode" */
604                 core->tvaudio = WW_I2SADC;
605                 cx88_set_tvaudio(core);
606         } else {
607                 /* FM Mode */
608                 core->tvaudio = WW_FM;
609                 cx88_set_tvaudio(core);
610                 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
611         }
612         call_all(core, tuner, s_radio);
613         return 0;
614 }
615 
616 /* ------------------------------------------------------------------ */
617 /* VIDEO CTRL IOCTLS                                                  */
618 
619 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
620 {
621         struct cx88_core *core =
622                 container_of(ctrl->handler, struct cx88_core, video_hdl);
623         const struct cx88_ctrl *cc = ctrl->priv;
624         u32 value, mask;
625 
626         mask = cc->mask;
627         switch (ctrl->id) {
628         case V4L2_CID_SATURATION:
629                 /* special v_sat handling */
630 
631                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
632 
633                 if (core->tvnorm & V4L2_STD_SECAM) {
634                         /* For SECAM, both U and V sat should be equal */
635                         value = value << 8 | value;
636                 } else {
637                         /* Keeps U Saturation proportional to V Sat */
638                         value = (value * 0x5a) / 0x7f << 8 | value;
639                 }
640                 mask = 0xffff;
641                 break;
642         case V4L2_CID_SHARPNESS:
643                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
644                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
645                 /* needs to be set for both fields */
646                 cx_andor(MO_FILTER_EVEN, mask, value);
647                 break;
648         case V4L2_CID_CHROMA_AGC:
649                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
650                 break;
651         default:
652                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
653                 break;
654         }
655         dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
656                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
657                                 mask, cc->sreg ? " [shadowed]" : "");
658         if (cc->sreg)
659                 cx_sandor(cc->sreg, cc->reg, mask, value);
660         else
661                 cx_andor(cc->reg, mask, value);
662         return 0;
663 }
664 
665 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
666 {
667         struct cx88_core *core =
668                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
669         const struct cx88_ctrl *cc = ctrl->priv;
670         u32 value,mask;
671 
672         /* Pass changes onto any WM8775 */
673         if (core->sd_wm8775) {
674                 switch (ctrl->id) {
675                 case V4L2_CID_AUDIO_MUTE:
676                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
677                         break;
678                 case V4L2_CID_AUDIO_VOLUME:
679                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
680                                                 (0x90 + ctrl->val) << 8 : 0);
681                         break;
682                 case V4L2_CID_AUDIO_BALANCE:
683                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
684                         break;
685                 default:
686                         break;
687                 }
688         }
689 
690         mask = cc->mask;
691         switch (ctrl->id) {
692         case V4L2_CID_AUDIO_BALANCE:
693                 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
694                 break;
695         case V4L2_CID_AUDIO_VOLUME:
696                 value = 0x3f - (ctrl->val & 0x3f);
697                 break;
698         default:
699                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
700                 break;
701         }
702         dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
703                                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
704                                 mask, cc->sreg ? " [shadowed]" : "");
705         if (cc->sreg)
706                 cx_sandor(cc->sreg, cc->reg, mask, value);
707         else
708                 cx_andor(cc->reg, mask, value);
709         return 0;
710 }
711 
712 /* ------------------------------------------------------------------ */
713 /* VIDEO IOCTLS                                                       */
714 
715 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
716                                         struct v4l2_format *f)
717 {
718         struct cx8800_dev *dev = video_drvdata(file);
719         struct cx88_core *core = dev->core;
720 
721         f->fmt.pix.width        = core->width;
722         f->fmt.pix.height       = core->height;
723         f->fmt.pix.field        = core->field;
724         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
725         f->fmt.pix.bytesperline =
726                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
727         f->fmt.pix.sizeimage =
728                 f->fmt.pix.height * f->fmt.pix.bytesperline;
729         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
730         return 0;
731 }
732 
733 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
734                         struct v4l2_format *f)
735 {
736         struct cx8800_dev *dev = video_drvdata(file);
737         struct cx88_core *core = dev->core;
738         const struct cx8800_fmt *fmt;
739         enum v4l2_field   field;
740         unsigned int      maxw, maxh;
741 
742         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
743         if (NULL == fmt)
744                 return -EINVAL;
745 
746         maxw = norm_maxw(core->tvnorm);
747         maxh = norm_maxh(core->tvnorm);
748 
749         field = f->fmt.pix.field;
750 
751         switch (field) {
752         case V4L2_FIELD_TOP:
753         case V4L2_FIELD_BOTTOM:
754         case V4L2_FIELD_INTERLACED:
755         case V4L2_FIELD_SEQ_BT:
756         case V4L2_FIELD_SEQ_TB:
757                 break;
758         default:
759                 field = (f->fmt.pix.height > maxh / 2)
760                         ? V4L2_FIELD_INTERLACED
761                         : V4L2_FIELD_BOTTOM;
762                 break;
763         }
764         if (V4L2_FIELD_HAS_T_OR_B(field))
765                 maxh /= 2;
766 
767         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
768                               &f->fmt.pix.height, 32, maxh, 0, 0);
769         f->fmt.pix.field = field;
770         f->fmt.pix.bytesperline =
771                 (f->fmt.pix.width * fmt->depth) >> 3;
772         f->fmt.pix.sizeimage =
773                 f->fmt.pix.height * f->fmt.pix.bytesperline;
774 
775         return 0;
776 }
777 
778 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
779                                         struct v4l2_format *f)
780 {
781         struct cx8800_dev *dev = video_drvdata(file);
782         struct cx88_core *core = dev->core;
783         int err = vidioc_try_fmt_vid_cap (file,priv,f);
784 
785         if (0 != err)
786                 return err;
787         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
788                 return -EBUSY;
789         if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
790                 return -EBUSY;
791         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
792         core->width = f->fmt.pix.width;
793         core->height = f->fmt.pix.height;
794         core->field = f->fmt.pix.field;
795         return 0;
796 }
797 
798 void cx88_querycap(struct file *file, struct cx88_core *core,
799                 struct v4l2_capability *cap)
800 {
801         struct video_device *vdev = video_devdata(file);
802 
803         strlcpy(cap->card, core->board.name, sizeof(cap->card));
804         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
805         if (UNSET != core->board.tuner_type)
806                 cap->device_caps |= V4L2_CAP_TUNER;
807         switch (vdev->vfl_type) {
808         case VFL_TYPE_RADIO:
809                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
810                 break;
811         case VFL_TYPE_GRABBER:
812                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
813                 break;
814         case VFL_TYPE_VBI:
815                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
816                 break;
817         }
818         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
819                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
820         if (core->board.radio.type == CX88_RADIO)
821                 cap->capabilities |= V4L2_CAP_RADIO;
822 }
823 EXPORT_SYMBOL(cx88_querycap);
824 
825 static int vidioc_querycap(struct file *file, void  *priv,
826                                         struct v4l2_capability *cap)
827 {
828         struct cx8800_dev *dev = video_drvdata(file);
829         struct cx88_core *core = dev->core;
830 
831         strcpy(cap->driver, "cx8800");
832         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
833         cx88_querycap(file, core, cap);
834         return 0;
835 }
836 
837 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
838                                         struct v4l2_fmtdesc *f)
839 {
840         if (unlikely(f->index >= ARRAY_SIZE(formats)))
841                 return -EINVAL;
842 
843         strlcpy(f->description,formats[f->index].name,sizeof(f->description));
844         f->pixelformat = formats[f->index].fourcc;
845 
846         return 0;
847 }
848 
849 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
850 {
851         struct cx8800_dev *dev = video_drvdata(file);
852         struct cx88_core *core = dev->core;
853 
854         *tvnorm = core->tvnorm;
855         return 0;
856 }
857 
858 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
859 {
860         struct cx8800_dev *dev = video_drvdata(file);
861         struct cx88_core *core = dev->core;
862 
863         return cx88_set_tvnorm(core, tvnorms);
864 }
865 
866 /* only one input in this sample driver */
867 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
868 {
869         static const char * const iname[] = {
870                 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
871                 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
872                 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
873                 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
874                 [ CX88_VMUX_SVIDEO     ] = "S-Video",
875                 [ CX88_VMUX_TELEVISION ] = "Television",
876                 [ CX88_VMUX_CABLE      ] = "Cable TV",
877                 [ CX88_VMUX_DVB        ] = "DVB",
878                 [ CX88_VMUX_DEBUG      ] = "for debug only",
879         };
880         unsigned int n = i->index;
881 
882         if (n >= 4)
883                 return -EINVAL;
884         if (0 == INPUT(n).type)
885                 return -EINVAL;
886         i->type  = V4L2_INPUT_TYPE_CAMERA;
887         strcpy(i->name,iname[INPUT(n).type]);
888         if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
889             (CX88_VMUX_CABLE      == INPUT(n).type)) {
890                 i->type = V4L2_INPUT_TYPE_TUNER;
891         }
892         i->std = CX88_NORMS;
893         return 0;
894 }
895 EXPORT_SYMBOL(cx88_enum_input);
896 
897 static int vidioc_enum_input (struct file *file, void *priv,
898                                 struct v4l2_input *i)
899 {
900         struct cx8800_dev *dev = video_drvdata(file);
901         struct cx88_core *core = dev->core;
902         return cx88_enum_input (core,i);
903 }
904 
905 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
906 {
907         struct cx8800_dev *dev = video_drvdata(file);
908         struct cx88_core *core = dev->core;
909 
910         *i = core->input;
911         return 0;
912 }
913 
914 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
915 {
916         struct cx8800_dev *dev = video_drvdata(file);
917         struct cx88_core *core = dev->core;
918 
919         if (i >= 4)
920                 return -EINVAL;
921         if (0 == INPUT(i).type)
922                 return -EINVAL;
923 
924         cx88_newstation(core);
925         cx88_video_mux(core,i);
926         return 0;
927 }
928 
929 static int vidioc_g_tuner (struct file *file, void *priv,
930                                 struct v4l2_tuner *t)
931 {
932         struct cx8800_dev *dev = video_drvdata(file);
933         struct cx88_core *core = dev->core;
934         u32 reg;
935 
936         if (unlikely(UNSET == core->board.tuner_type))
937                 return -EINVAL;
938         if (0 != t->index)
939                 return -EINVAL;
940 
941         strcpy(t->name, "Television");
942         t->capability = V4L2_TUNER_CAP_NORM;
943         t->rangehigh  = 0xffffffffUL;
944         call_all(core, tuner, g_tuner, t);
945 
946         cx88_get_stereo(core ,t);
947         reg = cx_read(MO_DEVICE_STATUS);
948         t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
949         return 0;
950 }
951 
952 static int vidioc_s_tuner (struct file *file, void *priv,
953                                 const struct v4l2_tuner *t)
954 {
955         struct cx8800_dev *dev = video_drvdata(file);
956         struct cx88_core *core = dev->core;
957 
958         if (UNSET == core->board.tuner_type)
959                 return -EINVAL;
960         if (0 != t->index)
961                 return -EINVAL;
962 
963         cx88_set_stereo(core, t->audmode, 1);
964         return 0;
965 }
966 
967 static int vidioc_g_frequency (struct file *file, void *priv,
968                                 struct v4l2_frequency *f)
969 {
970         struct cx8800_dev *dev = video_drvdata(file);
971         struct cx88_core *core = dev->core;
972 
973         if (unlikely(UNSET == core->board.tuner_type))
974                 return -EINVAL;
975         if (f->tuner)
976                 return -EINVAL;
977 
978         f->frequency = core->freq;
979 
980         call_all(core, tuner, g_frequency, f);
981 
982         return 0;
983 }
984 
985 int cx88_set_freq (struct cx88_core  *core,
986                                 const struct v4l2_frequency *f)
987 {
988         struct v4l2_frequency new_freq = *f;
989 
990         if (unlikely(UNSET == core->board.tuner_type))
991                 return -EINVAL;
992         if (unlikely(f->tuner != 0))
993                 return -EINVAL;
994 
995         cx88_newstation(core);
996         call_all(core, tuner, s_frequency, f);
997         call_all(core, tuner, g_frequency, &new_freq);
998         core->freq = new_freq.frequency;
999 
1000         /* When changing channels it is required to reset TVAUDIO */
1001         msleep (10);
1002         cx88_set_tvaudio(core);
1003 
1004         return 0;
1005 }
1006 EXPORT_SYMBOL(cx88_set_freq);
1007 
1008 static int vidioc_s_frequency (struct file *file, void *priv,
1009                                 const struct v4l2_frequency *f)
1010 {
1011         struct cx8800_dev *dev = video_drvdata(file);
1012         struct cx88_core *core = dev->core;
1013 
1014         return cx88_set_freq(core, f);
1015 }
1016 
1017 #ifdef CONFIG_VIDEO_ADV_DEBUG
1018 static int vidioc_g_register (struct file *file, void *fh,
1019                                 struct v4l2_dbg_register *reg)
1020 {
1021         struct cx8800_dev *dev = video_drvdata(file);
1022         struct cx88_core *core = dev->core;
1023 
1024         /* cx2388x has a 24-bit register space */
1025         reg->val = cx_read(reg->reg & 0xfffffc);
1026         reg->size = 4;
1027         return 0;
1028 }
1029 
1030 static int vidioc_s_register (struct file *file, void *fh,
1031                                 const struct v4l2_dbg_register *reg)
1032 {
1033         struct cx8800_dev *dev = video_drvdata(file);
1034         struct cx88_core *core = dev->core;
1035 
1036         cx_write(reg->reg & 0xfffffc, reg->val);
1037         return 0;
1038 }
1039 #endif
1040 
1041 /* ----------------------------------------------------------- */
1042 /* RADIO ESPECIFIC IOCTLS                                      */
1043 /* ----------------------------------------------------------- */
1044 
1045 static int radio_g_tuner (struct file *file, void *priv,
1046                                 struct v4l2_tuner *t)
1047 {
1048         struct cx8800_dev *dev = video_drvdata(file);
1049         struct cx88_core *core = dev->core;
1050 
1051         if (unlikely(t->index > 0))
1052                 return -EINVAL;
1053 
1054         strcpy(t->name, "Radio");
1055 
1056         call_all(core, tuner, g_tuner, t);
1057         return 0;
1058 }
1059 
1060 static int radio_s_tuner (struct file *file, void *priv,
1061                                 const struct v4l2_tuner *t)
1062 {
1063         struct cx8800_dev *dev = video_drvdata(file);
1064         struct cx88_core *core = dev->core;
1065 
1066         if (0 != t->index)
1067                 return -EINVAL;
1068 
1069         call_all(core, tuner, s_tuner, t);
1070         return 0;
1071 }
1072 
1073 /* ----------------------------------------------------------- */
1074 
1075 static const char *cx88_vid_irqs[32] = {
1076         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1077         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1078         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1079         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1080         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1081 };
1082 
1083 static void cx8800_vid_irq(struct cx8800_dev *dev)
1084 {
1085         struct cx88_core *core = dev->core;
1086         u32 status, mask, count;
1087 
1088         status = cx_read(MO_VID_INTSTAT);
1089         mask   = cx_read(MO_VID_INTMSK);
1090         if (0 == (status & mask))
1091                 return;
1092         cx_write(MO_VID_INTSTAT, status);
1093         if (irq_debug  ||  (status & mask & ~0xff))
1094                 cx88_print_irqbits(core->name, "irq vid",
1095                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1096                                    status, mask);
1097 
1098         /* risc op code error */
1099         if (status & (1 << 16)) {
1100                 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1101                 cx_clear(MO_VID_DMACNTRL, 0x11);
1102                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1103                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1104         }
1105 
1106         /* risc1 y */
1107         if (status & 0x01) {
1108                 spin_lock(&dev->slock);
1109                 count = cx_read(MO_VIDY_GPCNT);
1110                 cx88_wakeup(core, &dev->vidq, count);
1111                 spin_unlock(&dev->slock);
1112         }
1113 
1114         /* risc1 vbi */
1115         if (status & 0x08) {
1116                 spin_lock(&dev->slock);
1117                 count = cx_read(MO_VBI_GPCNT);
1118                 cx88_wakeup(core, &dev->vbiq, count);
1119                 spin_unlock(&dev->slock);
1120         }
1121 }
1122 
1123 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1124 {
1125         struct cx8800_dev *dev = dev_id;
1126         struct cx88_core *core = dev->core;
1127         u32 status;
1128         int loop, handled = 0;
1129 
1130         for (loop = 0; loop < 10; loop++) {
1131                 status = cx_read(MO_PCI_INTSTAT) &
1132                         (core->pci_irqmask | PCI_INT_VIDINT);
1133                 if (0 == status)
1134                         goto out;
1135                 cx_write(MO_PCI_INTSTAT, status);
1136                 handled = 1;
1137 
1138                 if (status & core->pci_irqmask)
1139                         cx88_core_irq(core,status);
1140                 if (status & PCI_INT_VIDINT)
1141                         cx8800_vid_irq(dev);
1142         }
1143         if (10 == loop) {
1144                 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1145                        core->name);
1146                 cx_write(MO_PCI_INTMSK,0);
1147         }
1148 
1149  out:
1150         return IRQ_RETVAL(handled);
1151 }
1152 
1153 /* ----------------------------------------------------------- */
1154 /* exported stuff                                              */
1155 
1156 static const struct v4l2_file_operations video_fops =
1157 {
1158         .owner         = THIS_MODULE,
1159         .open          = v4l2_fh_open,
1160         .release       = vb2_fop_release,
1161         .read          = vb2_fop_read,
1162         .poll          = vb2_fop_poll,
1163         .mmap          = vb2_fop_mmap,
1164         .unlocked_ioctl = video_ioctl2,
1165 };
1166 
1167 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1168         .vidioc_querycap      = vidioc_querycap,
1169         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1170         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1171         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1172         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1173         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1174         .vidioc_querybuf      = vb2_ioctl_querybuf,
1175         .vidioc_qbuf          = vb2_ioctl_qbuf,
1176         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1177         .vidioc_g_std         = vidioc_g_std,
1178         .vidioc_s_std         = vidioc_s_std,
1179         .vidioc_enum_input    = vidioc_enum_input,
1180         .vidioc_g_input       = vidioc_g_input,
1181         .vidioc_s_input       = vidioc_s_input,
1182         .vidioc_streamon      = vb2_ioctl_streamon,
1183         .vidioc_streamoff     = vb2_ioctl_streamoff,
1184         .vidioc_g_tuner       = vidioc_g_tuner,
1185         .vidioc_s_tuner       = vidioc_s_tuner,
1186         .vidioc_g_frequency   = vidioc_g_frequency,
1187         .vidioc_s_frequency   = vidioc_s_frequency,
1188         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1189         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1190 #ifdef CONFIG_VIDEO_ADV_DEBUG
1191         .vidioc_g_register    = vidioc_g_register,
1192         .vidioc_s_register    = vidioc_s_register,
1193 #endif
1194 };
1195 
1196 static const struct video_device cx8800_video_template = {
1197         .name                 = "cx8800-video",
1198         .fops                 = &video_fops,
1199         .ioctl_ops            = &video_ioctl_ops,
1200         .tvnorms              = CX88_NORMS,
1201 };
1202 
1203 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1204         .vidioc_querycap      = vidioc_querycap,
1205         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1206         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1207         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1208         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1209         .vidioc_querybuf      = vb2_ioctl_querybuf,
1210         .vidioc_qbuf          = vb2_ioctl_qbuf,
1211         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1212         .vidioc_g_std         = vidioc_g_std,
1213         .vidioc_s_std         = vidioc_s_std,
1214         .vidioc_enum_input    = vidioc_enum_input,
1215         .vidioc_g_input       = vidioc_g_input,
1216         .vidioc_s_input       = vidioc_s_input,
1217         .vidioc_streamon      = vb2_ioctl_streamon,
1218         .vidioc_streamoff     = vb2_ioctl_streamoff,
1219         .vidioc_g_tuner       = vidioc_g_tuner,
1220         .vidioc_s_tuner       = vidioc_s_tuner,
1221         .vidioc_g_frequency   = vidioc_g_frequency,
1222         .vidioc_s_frequency   = vidioc_s_frequency,
1223 #ifdef CONFIG_VIDEO_ADV_DEBUG
1224         .vidioc_g_register    = vidioc_g_register,
1225         .vidioc_s_register    = vidioc_s_register,
1226 #endif
1227 };
1228 
1229 static const struct video_device cx8800_vbi_template = {
1230         .name                 = "cx8800-vbi",
1231         .fops                 = &video_fops,
1232         .ioctl_ops            = &vbi_ioctl_ops,
1233         .tvnorms              = CX88_NORMS,
1234 };
1235 
1236 static const struct v4l2_file_operations radio_fops =
1237 {
1238         .owner         = THIS_MODULE,
1239         .open          = radio_open,
1240         .poll          = v4l2_ctrl_poll,
1241         .release       = v4l2_fh_release,
1242         .unlocked_ioctl = video_ioctl2,
1243 };
1244 
1245 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1246         .vidioc_querycap      = vidioc_querycap,
1247         .vidioc_g_tuner       = radio_g_tuner,
1248         .vidioc_s_tuner       = radio_s_tuner,
1249         .vidioc_g_frequency   = vidioc_g_frequency,
1250         .vidioc_s_frequency   = vidioc_s_frequency,
1251         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1252         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1253 #ifdef CONFIG_VIDEO_ADV_DEBUG
1254         .vidioc_g_register    = vidioc_g_register,
1255         .vidioc_s_register    = vidioc_s_register,
1256 #endif
1257 };
1258 
1259 static const struct video_device cx8800_radio_template = {
1260         .name                 = "cx8800-radio",
1261         .fops                 = &radio_fops,
1262         .ioctl_ops            = &radio_ioctl_ops,
1263 };
1264 
1265 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1266         .s_ctrl = cx8800_s_vid_ctrl,
1267 };
1268 
1269 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1270         .s_ctrl = cx8800_s_aud_ctrl,
1271 };
1272 
1273 /* ----------------------------------------------------------- */
1274 
1275 static void cx8800_unregister_video(struct cx8800_dev *dev)
1276 {
1277         if (dev->radio_dev) {
1278                 if (video_is_registered(dev->radio_dev))
1279                         video_unregister_device(dev->radio_dev);
1280                 else
1281                         video_device_release(dev->radio_dev);
1282                 dev->radio_dev = NULL;
1283         }
1284         if (dev->vbi_dev) {
1285                 if (video_is_registered(dev->vbi_dev))
1286                         video_unregister_device(dev->vbi_dev);
1287                 else
1288                         video_device_release(dev->vbi_dev);
1289                 dev->vbi_dev = NULL;
1290         }
1291         if (dev->video_dev) {
1292                 if (video_is_registered(dev->video_dev))
1293                         video_unregister_device(dev->video_dev);
1294                 else
1295                         video_device_release(dev->video_dev);
1296                 dev->video_dev = NULL;
1297         }
1298 }
1299 
1300 static int cx8800_initdev(struct pci_dev *pci_dev,
1301                           const struct pci_device_id *pci_id)
1302 {
1303         struct cx8800_dev *dev;
1304         struct cx88_core *core;
1305         struct vb2_queue *q;
1306         int err;
1307         int i;
1308 
1309         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1310         if (NULL == dev)
1311                 return -ENOMEM;
1312 
1313         /* pci init */
1314         dev->pci = pci_dev;
1315         if (pci_enable_device(pci_dev)) {
1316                 err = -EIO;
1317                 goto fail_free;
1318         }
1319         core = cx88_core_get(dev->pci);
1320         if (NULL == core) {
1321                 err = -EINVAL;
1322                 goto fail_free;
1323         }
1324         dev->core = core;
1325 
1326         /* print pci info */
1327         dev->pci_rev = pci_dev->revision;
1328         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1329         printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1330                "latency: %d, mmio: 0x%llx\n", core->name,
1331                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1332                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1333 
1334         pci_set_master(pci_dev);
1335         if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1336                 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1337                 err = -EIO;
1338                 goto fail_core;
1339         }
1340         dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
1341         if (IS_ERR(dev->alloc_ctx)) {
1342                 err = PTR_ERR(dev->alloc_ctx);
1343                 goto fail_core;
1344         }
1345 
1346 
1347         /* initialize driver struct */
1348         spin_lock_init(&dev->slock);
1349 
1350         /* init video dma queues */
1351         INIT_LIST_HEAD(&dev->vidq.active);
1352 
1353         /* init vbi dma queues */
1354         INIT_LIST_HEAD(&dev->vbiq.active);
1355 
1356         /* get irq */
1357         err = request_irq(pci_dev->irq, cx8800_irq,
1358                           IRQF_SHARED, core->name, dev);
1359         if (err < 0) {
1360                 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1361                        core->name,pci_dev->irq);
1362                 goto fail_core;
1363         }
1364         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1365 
1366         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1367                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1368                 struct v4l2_ctrl *vc;
1369 
1370                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1371                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1372                 if (vc == NULL) {
1373                         err = core->audio_hdl.error;
1374                         goto fail_core;
1375                 }
1376                 vc->priv = (void *)cc;
1377         }
1378 
1379         for (i = 0; i < CX8800_VID_CTLS; i++) {
1380                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1381                 struct v4l2_ctrl *vc;
1382 
1383                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1384                         cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1385                 if (vc == NULL) {
1386                         err = core->video_hdl.error;
1387                         goto fail_core;
1388                 }
1389                 vc->priv = (void *)cc;
1390                 if (vc->id == V4L2_CID_CHROMA_AGC)
1391                         core->chroma_agc = vc;
1392         }
1393         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1394 
1395         /* load and configure helper modules */
1396 
1397         if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1398                 struct i2c_board_info wm8775_info = {
1399                         .type = "wm8775",
1400                         .addr = 0x36 >> 1,
1401                         .platform_data = &core->wm8775_data,
1402                 };
1403                 struct v4l2_subdev *sd;
1404 
1405                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1406                         core->wm8775_data.is_nova_s = true;
1407                 else
1408                         core->wm8775_data.is_nova_s = false;
1409 
1410                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1411                                 &wm8775_info, NULL);
1412                 if (sd != NULL) {
1413                         core->sd_wm8775 = sd;
1414                         sd->grp_id = WM8775_GID;
1415                 }
1416         }
1417 
1418         if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1419                 /* This probes for a tda9874 as is used on some
1420                    Pixelview Ultra boards. */
1421                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1422                                 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1423         }
1424 
1425         switch (core->boardnr) {
1426         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1427         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1428                 static const struct i2c_board_info rtc_info = {
1429                         I2C_BOARD_INFO("isl1208", 0x6f)
1430                 };
1431 
1432                 request_module("rtc-isl1208");
1433                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1434         }
1435                 /* break intentionally omitted */
1436         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1437                 request_module("ir-kbd-i2c");
1438         }
1439 
1440         /* Sets device info at pci_dev */
1441         pci_set_drvdata(pci_dev, dev);
1442 
1443         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1444 
1445         /* Maintain a reference so cx88-blackbird can query the 8800 device. */
1446         core->v4ldev = dev;
1447 
1448         /* initial device configuration */
1449         mutex_lock(&core->lock);
1450         cx88_set_tvnorm(core, core->tvnorm);
1451         v4l2_ctrl_handler_setup(&core->video_hdl);
1452         v4l2_ctrl_handler_setup(&core->audio_hdl);
1453         cx88_video_mux(core, 0);
1454 
1455         q = &dev->vb2_vidq;
1456         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1457         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1458         q->gfp_flags = GFP_DMA32;
1459         q->min_buffers_needed = 2;
1460         q->drv_priv = dev;
1461         q->buf_struct_size = sizeof(struct cx88_buffer);
1462         q->ops = &cx8800_video_qops;
1463         q->mem_ops = &vb2_dma_sg_memops;
1464         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1465         q->lock = &core->lock;
1466 
1467         err = vb2_queue_init(q);
1468         if (err < 0)
1469                 goto fail_unreg;
1470 
1471         q = &dev->vb2_vbiq;
1472         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1473         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1474         q->gfp_flags = GFP_DMA32;
1475         q->min_buffers_needed = 2;
1476         q->drv_priv = dev;
1477         q->buf_struct_size = sizeof(struct cx88_buffer);
1478         q->ops = &cx8800_vbi_qops;
1479         q->mem_ops = &vb2_dma_sg_memops;
1480         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1481         q->lock = &core->lock;
1482 
1483         err = vb2_queue_init(q);
1484         if (err < 0)
1485                 goto fail_unreg;
1486 
1487         /* register v4l devices */
1488         dev->video_dev = cx88_vdev_init(core,dev->pci,
1489                                         &cx8800_video_template,"video");
1490         video_set_drvdata(dev->video_dev, dev);
1491         dev->video_dev->ctrl_handler = &core->video_hdl;
1492         dev->video_dev->queue = &dev->vb2_vidq;
1493         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1494                                     video_nr[core->nr]);
1495         if (err < 0) {
1496                 printk(KERN_ERR "%s/0: can't register video device\n",
1497                        core->name);
1498                 goto fail_unreg;
1499         }
1500         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1501                core->name, video_device_node_name(dev->video_dev));
1502 
1503         dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1504         video_set_drvdata(dev->vbi_dev, dev);
1505         dev->vbi_dev->queue = &dev->vb2_vbiq;
1506         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1507                                     vbi_nr[core->nr]);
1508         if (err < 0) {
1509                 printk(KERN_ERR "%s/0: can't register vbi device\n",
1510                        core->name);
1511                 goto fail_unreg;
1512         }
1513         printk(KERN_INFO "%s/0: registered device %s\n",
1514                core->name, video_device_node_name(dev->vbi_dev));
1515 
1516         if (core->board.radio.type == CX88_RADIO) {
1517                 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1518                                                 &cx8800_radio_template,"radio");
1519                 video_set_drvdata(dev->radio_dev, dev);
1520                 dev->radio_dev->ctrl_handler = &core->audio_hdl;
1521                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1522                                             radio_nr[core->nr]);
1523                 if (err < 0) {
1524                         printk(KERN_ERR "%s/0: can't register radio device\n",
1525                                core->name);
1526                         goto fail_unreg;
1527                 }
1528                 printk(KERN_INFO "%s/0: registered device %s\n",
1529                        core->name, video_device_node_name(dev->radio_dev));
1530         }
1531 
1532         /* start tvaudio thread */
1533         if (core->board.tuner_type != UNSET) {
1534                 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1535                 if (IS_ERR(core->kthread)) {
1536                         err = PTR_ERR(core->kthread);
1537                         printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1538                                core->name, err);
1539                 }
1540         }
1541         mutex_unlock(&core->lock);
1542 
1543         return 0;
1544 
1545 fail_unreg:
1546         cx8800_unregister_video(dev);
1547         free_irq(pci_dev->irq, dev);
1548         mutex_unlock(&core->lock);
1549 fail_core:
1550         vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1551         core->v4ldev = NULL;
1552         cx88_core_put(core,dev->pci);
1553 fail_free:
1554         kfree(dev);
1555         return err;
1556 }
1557 
1558 static void cx8800_finidev(struct pci_dev *pci_dev)
1559 {
1560         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1561         struct cx88_core *core = dev->core;
1562 
1563         /* stop thread */
1564         if (core->kthread) {
1565                 kthread_stop(core->kthread);
1566                 core->kthread = NULL;
1567         }
1568 
1569         if (core->ir)
1570                 cx88_ir_stop(core);
1571 
1572         cx88_shutdown(core); /* FIXME */
1573 
1574         /* unregister stuff */
1575 
1576         free_irq(pci_dev->irq, dev);
1577         cx8800_unregister_video(dev);
1578         pci_disable_device(pci_dev);
1579 
1580         core->v4ldev = NULL;
1581 
1582         /* free memory */
1583         cx88_core_put(core,dev->pci);
1584         vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1585         kfree(dev);
1586 }
1587 
1588 #ifdef CONFIG_PM
1589 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1590 {
1591         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1592         struct cx88_core *core = dev->core;
1593         unsigned long flags;
1594 
1595         /* stop video+vbi capture */
1596         spin_lock_irqsave(&dev->slock, flags);
1597         if (!list_empty(&dev->vidq.active)) {
1598                 printk("%s/0: suspend video\n", core->name);
1599                 stop_video_dma(dev);
1600         }
1601         if (!list_empty(&dev->vbiq.active)) {
1602                 printk("%s/0: suspend vbi\n", core->name);
1603                 cx8800_stop_vbi_dma(dev);
1604         }
1605         spin_unlock_irqrestore(&dev->slock, flags);
1606 
1607         if (core->ir)
1608                 cx88_ir_stop(core);
1609         /* FIXME -- shutdown device */
1610         cx88_shutdown(core);
1611 
1612         pci_save_state(pci_dev);
1613         if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1614                 pci_disable_device(pci_dev);
1615                 dev->state.disabled = 1;
1616         }
1617         return 0;
1618 }
1619 
1620 static int cx8800_resume(struct pci_dev *pci_dev)
1621 {
1622         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1623         struct cx88_core *core = dev->core;
1624         unsigned long flags;
1625         int err;
1626 
1627         if (dev->state.disabled) {
1628                 err=pci_enable_device(pci_dev);
1629                 if (err) {
1630                         printk(KERN_ERR "%s/0: can't enable device\n",
1631                                core->name);
1632                         return err;
1633                 }
1634 
1635                 dev->state.disabled = 0;
1636         }
1637         err= pci_set_power_state(pci_dev, PCI_D0);
1638         if (err) {
1639                 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1640                 pci_disable_device(pci_dev);
1641                 dev->state.disabled = 1;
1642 
1643                 return err;
1644         }
1645         pci_restore_state(pci_dev);
1646 
1647         /* FIXME: re-initialize hardware */
1648         cx88_reset(core);
1649         if (core->ir)
1650                 cx88_ir_start(core);
1651 
1652         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1653 
1654         /* restart video+vbi capture */
1655         spin_lock_irqsave(&dev->slock, flags);
1656         if (!list_empty(&dev->vidq.active)) {
1657                 printk("%s/0: resume video\n", core->name);
1658                 restart_video_queue(dev,&dev->vidq);
1659         }
1660         if (!list_empty(&dev->vbiq.active)) {
1661                 printk("%s/0: resume vbi\n", core->name);
1662                 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1663         }
1664         spin_unlock_irqrestore(&dev->slock, flags);
1665 
1666         return 0;
1667 }
1668 #endif
1669 
1670 /* ----------------------------------------------------------- */
1671 
1672 static const struct pci_device_id cx8800_pci_tbl[] = {
1673         {
1674                 .vendor       = 0x14f1,
1675                 .device       = 0x8800,
1676                 .subvendor    = PCI_ANY_ID,
1677                 .subdevice    = PCI_ANY_ID,
1678         },{
1679                 /* --- end of list --- */
1680         }
1681 };
1682 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1683 
1684 static struct pci_driver cx8800_pci_driver = {
1685         .name     = "cx8800",
1686         .id_table = cx8800_pci_tbl,
1687         .probe    = cx8800_initdev,
1688         .remove   = cx8800_finidev,
1689 #ifdef CONFIG_PM
1690         .suspend  = cx8800_suspend,
1691         .resume   = cx8800_resume,
1692 #endif
1693 };
1694 
1695 module_pci_driver(cx8800_pci_driver);
1696 

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