Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

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 
 24 #include "cx88.h"
 25 
 26 #include <linux/init.h>
 27 #include <linux/list.h>
 28 #include <linux/module.h>
 29 #include <linux/kmod.h>
 30 #include <linux/kernel.h>
 31 #include <linux/slab.h>
 32 #include <linux/interrupt.h>
 33 #include <linux/dma-mapping.h>
 34 #include <linux/delay.h>
 35 #include <linux/kthread.h>
 36 #include <asm/div64.h>
 37 
 38 #include <media/v4l2-common.h>
 39 #include <media/v4l2-ioctl.h>
 40 #include <media/v4l2-event.h>
 41 #include <media/i2c/wm8775.h>
 42 
 43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
 44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 45 MODULE_LICENSE("GPL");
 46 MODULE_VERSION(CX88_VERSION);
 47 
 48 /* ------------------------------------------------------------------ */
 49 
 50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 51 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
 53 
 54 module_param_array(video_nr, int, NULL, 0444);
 55 module_param_array(vbi_nr,   int, NULL, 0444);
 56 module_param_array(radio_nr, int, NULL, 0444);
 57 
 58 MODULE_PARM_DESC(video_nr, "video device numbers");
 59 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
 60 MODULE_PARM_DESC(radio_nr, "radio device numbers");
 61 
 62 static unsigned int video_debug;
 63 module_param(video_debug, int, 0644);
 64 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
 65 
 66 static unsigned int irq_debug;
 67 module_param(irq_debug, int, 0644);
 68 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
 69 
 70 #define dprintk(level, fmt, arg...) do {                        \
 71         if (video_debug >= level)                               \
 72                 printk(KERN_DEBUG pr_fmt("%s: video:" fmt),     \
 73                         __func__, ##arg);                       \
 74 } while (0)
 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 |
126                             ColorFormatWSWAP,
127                 .depth    = 32,
128                 .flags    = FORMAT_FLAGS_PACKED,
129         }, {
130                 .name     = "4:2:2, packed, YUYV",
131                 .fourcc   = V4L2_PIX_FMT_YUYV,
132                 .cxformat = ColorFormatYUY2,
133                 .depth    = 16,
134                 .flags    = FORMAT_FLAGS_PACKED,
135         }, {
136                 .name     = "4:2:2, packed, UYVY",
137                 .fourcc   = V4L2_PIX_FMT_UYVY,
138                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
139                 .depth    = 16,
140                 .flags    = FORMAT_FLAGS_PACKED,
141         },
142 };
143 
144 static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
145 {
146         unsigned int i;
147 
148         for (i = 0; i < ARRAY_SIZE(formats); i++)
149                 if (formats[i].fourcc == fourcc)
150                         return formats + i;
151         return NULL;
152 }
153 
154 /* ------------------------------------------------------------------- */
155 
156 struct cx88_ctrl {
157         /* control information */
158         u32 id;
159         s32 minimum;
160         s32 maximum;
161         u32 step;
162         s32 default_value;
163 
164         /* control register information */
165         u32 off;
166         u32 reg;
167         u32 sreg;
168         u32 mask;
169         u32 shift;
170 };
171 
172 static const struct cx88_ctrl cx8800_vid_ctls[] = {
173         /* --- video --- */
174         {
175                 .id            = V4L2_CID_BRIGHTNESS,
176                 .minimum       = 0x00,
177                 .maximum       = 0xff,
178                 .step          = 1,
179                 .default_value = 0x7f,
180                 .off           = 128,
181                 .reg           = MO_CONTR_BRIGHT,
182                 .mask          = 0x00ff,
183                 .shift         = 0,
184         }, {
185                 .id            = V4L2_CID_CONTRAST,
186                 .minimum       = 0,
187                 .maximum       = 0xff,
188                 .step          = 1,
189                 .default_value = 0x3f,
190                 .off           = 0,
191                 .reg           = MO_CONTR_BRIGHT,
192                 .mask          = 0xff00,
193                 .shift         = 8,
194         }, {
195                 .id            = V4L2_CID_HUE,
196                 .minimum       = 0,
197                 .maximum       = 0xff,
198                 .step          = 1,
199                 .default_value = 0x7f,
200                 .off           = 128,
201                 .reg           = MO_HUE,
202                 .mask          = 0x00ff,
203                 .shift         = 0,
204         }, {
205                 /* strictly, this only describes only U saturation.
206                  * V saturation is handled specially through code.
207                  */
208                 .id            = V4L2_CID_SATURATION,
209                 .minimum       = 0,
210                 .maximum       = 0xff,
211                 .step          = 1,
212                 .default_value = 0x7f,
213                 .off           = 0,
214                 .reg           = MO_UV_SATURATION,
215                 .mask          = 0x00ff,
216                 .shift         = 0,
217         }, {
218                 .id            = V4L2_CID_SHARPNESS,
219                 .minimum       = 0,
220                 .maximum       = 4,
221                 .step          = 1,
222                 .default_value = 0x0,
223                 .off           = 0,
224                 /*
225                  * NOTE: the value is converted and written to both even
226                  * and odd registers in the code
227                  */
228                 .reg           = MO_FILTER_ODD,
229                 .mask          = 7 << 7,
230                 .shift         = 7,
231         }, {
232                 .id            = V4L2_CID_CHROMA_AGC,
233                 .minimum       = 0,
234                 .maximum       = 1,
235                 .default_value = 0x1,
236                 .reg           = MO_INPUT_FORMAT,
237                 .mask          = 1 << 10,
238                 .shift         = 10,
239         }, {
240                 .id            = V4L2_CID_COLOR_KILLER,
241                 .minimum       = 0,
242                 .maximum       = 1,
243                 .default_value = 0x1,
244                 .reg           = MO_INPUT_FORMAT,
245                 .mask          = 1 << 9,
246                 .shift         = 9,
247         }, {
248                 .id            = V4L2_CID_BAND_STOP_FILTER,
249                 .minimum       = 0,
250                 .maximum       = 1,
251                 .step          = 1,
252                 .default_value = 0x0,
253                 .off           = 0,
254                 .reg           = MO_HTOTAL,
255                 .mask          = 3 << 11,
256                 .shift         = 11,
257         }
258 };
259 
260 static const struct cx88_ctrl cx8800_aud_ctls[] = {
261         {
262                 /* --- audio --- */
263                 .id            = V4L2_CID_AUDIO_MUTE,
264                 .minimum       = 0,
265                 .maximum       = 1,
266                 .default_value = 1,
267                 .reg           = AUD_VOL_CTL,
268                 .sreg          = SHADOW_AUD_VOL_CTL,
269                 .mask          = (1 << 6),
270                 .shift         = 6,
271         }, {
272                 .id            = V4L2_CID_AUDIO_VOLUME,
273                 .minimum       = 0,
274                 .maximum       = 0x3f,
275                 .step          = 1,
276                 .default_value = 0x3f,
277                 .reg           = AUD_VOL_CTL,
278                 .sreg          = SHADOW_AUD_VOL_CTL,
279                 .mask          = 0x3f,
280                 .shift         = 0,
281         }, {
282                 .id            = V4L2_CID_AUDIO_BALANCE,
283                 .minimum       = 0,
284                 .maximum       = 0x7f,
285                 .step          = 1,
286                 .default_value = 0x40,
287                 .reg           = AUD_BAL_CTL,
288                 .sreg          = SHADOW_AUD_BAL_CTL,
289                 .mask          = 0x7f,
290                 .shift         = 0,
291         }
292 };
293 
294 enum {
295         CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
296         CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
297 };
298 
299 /* ------------------------------------------------------------------ */
300 
301 int cx88_video_mux(struct cx88_core *core, unsigned int input)
302 {
303         /* struct cx88_core *core = dev->core; */
304 
305         dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
306                 input, INPUT(input).vmux,
307                 INPUT(input).gpio0, INPUT(input).gpio1,
308                 INPUT(input).gpio2, INPUT(input).gpio3);
309         core->input = input;
310         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
311         cx_write(MO_GP3_IO, INPUT(input).gpio3);
312         cx_write(MO_GP0_IO, INPUT(input).gpio0);
313         cx_write(MO_GP1_IO, INPUT(input).gpio1);
314         cx_write(MO_GP2_IO, INPUT(input).gpio2);
315 
316         switch (INPUT(input).type) {
317         case CX88_VMUX_SVIDEO:
318                 cx_set(MO_AFECFG_IO,    0x00000001);
319                 cx_set(MO_INPUT_FORMAT, 0x00010010);
320                 cx_set(MO_FILTER_EVEN,  0x00002020);
321                 cx_set(MO_FILTER_ODD,   0x00002020);
322                 break;
323         default:
324                 cx_clear(MO_AFECFG_IO,    0x00000001);
325                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
326                 cx_clear(MO_FILTER_EVEN,  0x00002020);
327                 cx_clear(MO_FILTER_ODD,   0x00002020);
328                 break;
329         }
330 
331         /*
332          * if there are audioroutes defined, we have an external
333          * ADC to deal with audio
334          */
335         if (INPUT(input).audioroute) {
336                 /*
337                  * The wm8775 module has the "2" route hardwired into
338                  * the initialization. Some boards may use different
339                  * routes for different inputs. HVR-1300 surely does
340                  */
341                 if (core->sd_wm8775) {
342                         call_all(core, audio, s_routing,
343                                  INPUT(input).audioroute, 0, 0);
344                 }
345                 /*
346                  * cx2388's C-ADC is connected to the tuner only.
347                  * When used with S-Video, that ADC is busy dealing with
348                  * chroma, so an external must be used for baseband audio
349                  */
350                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
351                     INPUT(input).type != CX88_VMUX_CABLE) {
352                         /* "I2S ADC mode" */
353                         core->tvaudio = WW_I2SADC;
354                         cx88_set_tvaudio(core);
355                 } else {
356                         /* Normal mode */
357                         cx_write(AUD_I2SCNTL, 0x0);
358                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
359                 }
360         }
361 
362         return 0;
363 }
364 EXPORT_SYMBOL(cx88_video_mux);
365 
366 /* ------------------------------------------------------------------ */
367 
368 static int start_video_dma(struct cx8800_dev    *dev,
369                            struct cx88_dmaqueue *q,
370                            struct cx88_buffer   *buf)
371 {
372         struct cx88_core *core = dev->core;
373 
374         /* setup fifo + format */
375         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
376                                 buf->bpl, buf->risc.dma);
377         cx88_set_scale(core, core->width, core->height, core->field);
378         cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
379 
380         /* reset counter */
381         cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
382         q->count = 0;
383 
384         /* enable irqs */
385         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
386 
387         /*
388          * Enables corresponding bits at PCI_INT_STAT:
389          *      bits 0 to 4: video, audio, transport stream, VIP, Host
390          *      bit 7: timer
391          *      bits 8 and 9: DMA complete for: SRC, DST
392          *      bits 10 and 11: BERR signal asserted for RISC: RD, WR
393          *      bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
394          */
395         cx_set(MO_VID_INTMSK, 0x0f0011);
396 
397         /* enable capture */
398         cx_set(VID_CAPTURE_CONTROL, 0x06);
399 
400         /* start dma */
401         cx_set(MO_DEV_CNTRL2, (1 << 5));
402         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
403 
404         return 0;
405 }
406 
407 #ifdef CONFIG_PM
408 static int stop_video_dma(struct cx8800_dev    *dev)
409 {
410         struct cx88_core *core = dev->core;
411 
412         /* stop dma */
413         cx_clear(MO_VID_DMACNTRL, 0x11);
414 
415         /* disable capture */
416         cx_clear(VID_CAPTURE_CONTROL, 0x06);
417 
418         /* disable irqs */
419         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
420         cx_clear(MO_VID_INTMSK, 0x0f0011);
421         return 0;
422 }
423 
424 static int restart_video_queue(struct cx8800_dev    *dev,
425                                struct cx88_dmaqueue *q)
426 {
427         struct cx88_buffer *buf;
428 
429         if (!list_empty(&q->active)) {
430                 buf = list_entry(q->active.next, struct cx88_buffer, list);
431                 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
432                         buf, buf->vb.vb2_buf.index);
433                 start_video_dma(dev, q, buf);
434         }
435         return 0;
436 }
437 #endif
438 
439 /* ------------------------------------------------------------------ */
440 
441 static int queue_setup(struct vb2_queue *q,
442                        unsigned int *num_buffers, unsigned int *num_planes,
443                        unsigned int sizes[], struct device *alloc_devs[])
444 {
445         struct cx8800_dev *dev = q->drv_priv;
446         struct cx88_core *core = dev->core;
447 
448         *num_planes = 1;
449         sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
450         return 0;
451 }
452 
453 static int buffer_prepare(struct vb2_buffer *vb)
454 {
455         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
456         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
457         struct cx88_core *core = dev->core;
458         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
459         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
460 
461         buf->bpl = core->width * dev->fmt->depth >> 3;
462 
463         if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
464                 return -EINVAL;
465         vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
466 
467         switch (core->field) {
468         case V4L2_FIELD_TOP:
469                 cx88_risc_buffer(dev->pci, &buf->risc,
470                                  sgt->sgl, 0, UNSET,
471                                  buf->bpl, 0, core->height);
472                 break;
473         case V4L2_FIELD_BOTTOM:
474                 cx88_risc_buffer(dev->pci, &buf->risc,
475                                  sgt->sgl, UNSET, 0,
476                                  buf->bpl, 0, core->height);
477                 break;
478         case V4L2_FIELD_SEQ_TB:
479                 cx88_risc_buffer(dev->pci, &buf->risc,
480                                  sgt->sgl,
481                                  0, buf->bpl * (core->height >> 1),
482                                  buf->bpl, 0,
483                                  core->height >> 1);
484                 break;
485         case V4L2_FIELD_SEQ_BT:
486                 cx88_risc_buffer(dev->pci, &buf->risc,
487                                  sgt->sgl,
488                                  buf->bpl * (core->height >> 1), 0,
489                                  buf->bpl, 0,
490                                  core->height >> 1);
491                 break;
492         case V4L2_FIELD_INTERLACED:
493         default:
494                 cx88_risc_buffer(dev->pci, &buf->risc,
495                                  sgt->sgl, 0, buf->bpl,
496                                  buf->bpl, buf->bpl,
497                                  core->height >> 1);
498                 break;
499         }
500         dprintk(2,
501                 "[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
502                 buf, buf->vb.vb2_buf.index,
503                 core->width, core->height, dev->fmt->depth, dev->fmt->name,
504                 (unsigned long)buf->risc.dma);
505         return 0;
506 }
507 
508 static void buffer_finish(struct vb2_buffer *vb)
509 {
510         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
511         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
512         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
513         struct cx88_riscmem *risc = &buf->risc;
514 
515         if (risc->cpu)
516                 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
517         memset(risc, 0, sizeof(*risc));
518 }
519 
520 static void buffer_queue(struct vb2_buffer *vb)
521 {
522         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
523         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
524         struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
525         struct cx88_buffer    *prev;
526         struct cx88_dmaqueue  *q    = &dev->vidq;
527 
528         /* add jump to start */
529         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
530         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
531         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
532 
533         if (list_empty(&q->active)) {
534                 list_add_tail(&buf->list, &q->active);
535                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
536                         buf, buf->vb.vb2_buf.index);
537 
538         } else {
539                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
540                 prev = list_entry(q->active.prev, struct cx88_buffer, list);
541                 list_add_tail(&buf->list, &q->active);
542                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
543                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
544                         buf, buf->vb.vb2_buf.index);
545         }
546 }
547 
548 static int start_streaming(struct vb2_queue *q, unsigned int count)
549 {
550         struct cx8800_dev *dev = q->drv_priv;
551         struct cx88_dmaqueue *dmaq = &dev->vidq;
552         struct cx88_buffer *buf = list_entry(dmaq->active.next,
553                         struct cx88_buffer, list);
554 
555         start_video_dma(dev, dmaq, buf);
556         return 0;
557 }
558 
559 static void stop_streaming(struct vb2_queue *q)
560 {
561         struct cx8800_dev *dev = q->drv_priv;
562         struct cx88_core *core = dev->core;
563         struct cx88_dmaqueue *dmaq = &dev->vidq;
564         unsigned long flags;
565 
566         cx_clear(MO_VID_DMACNTRL, 0x11);
567         cx_clear(VID_CAPTURE_CONTROL, 0x06);
568         spin_lock_irqsave(&dev->slock, flags);
569         while (!list_empty(&dmaq->active)) {
570                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
571                         struct cx88_buffer, list);
572 
573                 list_del(&buf->list);
574                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
575         }
576         spin_unlock_irqrestore(&dev->slock, flags);
577 }
578 
579 static const struct vb2_ops cx8800_video_qops = {
580         .queue_setup    = queue_setup,
581         .buf_prepare  = buffer_prepare,
582         .buf_finish = buffer_finish,
583         .buf_queue    = buffer_queue,
584         .wait_prepare = vb2_ops_wait_prepare,
585         .wait_finish = vb2_ops_wait_finish,
586         .start_streaming = start_streaming,
587         .stop_streaming = stop_streaming,
588 };
589 
590 /* ------------------------------------------------------------------ */
591 
592 static int radio_open(struct file *file)
593 {
594         struct cx8800_dev *dev = video_drvdata(file);
595         struct cx88_core *core = dev->core;
596         int ret = v4l2_fh_open(file);
597 
598         if (ret)
599                 return ret;
600 
601         cx_write(MO_GP3_IO, core->board.radio.gpio3);
602         cx_write(MO_GP0_IO, core->board.radio.gpio0);
603         cx_write(MO_GP1_IO, core->board.radio.gpio1);
604         cx_write(MO_GP2_IO, core->board.radio.gpio2);
605         if (core->board.radio.audioroute) {
606                 if (core->sd_wm8775) {
607                         call_all(core, audio, s_routing,
608                                  core->board.radio.audioroute, 0, 0);
609                 }
610                 /* "I2S ADC mode" */
611                 core->tvaudio = WW_I2SADC;
612                 cx88_set_tvaudio(core);
613         } else {
614                 /* FM Mode */
615                 core->tvaudio = WW_FM;
616                 cx88_set_tvaudio(core);
617                 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
618         }
619         call_all(core, tuner, s_radio);
620         return 0;
621 }
622 
623 /* ------------------------------------------------------------------ */
624 /* VIDEO CTRL IOCTLS                                                  */
625 
626 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
627 {
628         struct cx88_core *core =
629                 container_of(ctrl->handler, struct cx88_core, video_hdl);
630         const struct cx88_ctrl *cc = ctrl->priv;
631         u32 value, mask;
632 
633         mask = cc->mask;
634         switch (ctrl->id) {
635         case V4L2_CID_SATURATION:
636                 /* special v_sat handling */
637 
638                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
639 
640                 if (core->tvnorm & V4L2_STD_SECAM) {
641                         /* For SECAM, both U and V sat should be equal */
642                         value = value << 8 | value;
643                 } else {
644                         /* Keeps U Saturation proportional to V Sat */
645                         value = (value * 0x5a) / 0x7f << 8 | value;
646                 }
647                 mask = 0xffff;
648                 break;
649         case V4L2_CID_SHARPNESS:
650                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
651                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
652                 /* needs to be set for both fields */
653                 cx_andor(MO_FILTER_EVEN, mask, value);
654                 break;
655         case V4L2_CID_CHROMA_AGC:
656                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
657                 break;
658         default:
659                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
660                 break;
661         }
662         dprintk(1,
663                 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
664                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
665                 mask, cc->sreg ? " [shadowed]" : "");
666         if (cc->sreg)
667                 cx_sandor(cc->sreg, cc->reg, mask, value);
668         else
669                 cx_andor(cc->reg, mask, value);
670         return 0;
671 }
672 
673 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
674 {
675         struct cx88_core *core =
676                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
677         const struct cx88_ctrl *cc = ctrl->priv;
678         u32 value, mask;
679 
680         /* Pass changes onto any WM8775 */
681         if (core->sd_wm8775) {
682                 switch (ctrl->id) {
683                 case V4L2_CID_AUDIO_MUTE:
684                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
685                         break;
686                 case V4L2_CID_AUDIO_VOLUME:
687                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
688                                                 (0x90 + ctrl->val) << 8 : 0);
689                         break;
690                 case V4L2_CID_AUDIO_BALANCE:
691                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
692                         break;
693                 default:
694                         break;
695                 }
696         }
697 
698         mask = cc->mask;
699         switch (ctrl->id) {
700         case V4L2_CID_AUDIO_BALANCE:
701                 value = (ctrl->val < 0x40) ?
702                         (0x7f - ctrl->val) : (ctrl->val - 0x40);
703                 break;
704         case V4L2_CID_AUDIO_VOLUME:
705                 value = 0x3f - (ctrl->val & 0x3f);
706                 break;
707         default:
708                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
709                 break;
710         }
711         dprintk(1,
712                 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
713                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
714                 mask, cc->sreg ? " [shadowed]" : "");
715         if (cc->sreg)
716                 cx_sandor(cc->sreg, cc->reg, mask, value);
717         else
718                 cx_andor(cc->reg, mask, value);
719         return 0;
720 }
721 
722 /* ------------------------------------------------------------------ */
723 /* VIDEO IOCTLS                                                       */
724 
725 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
726                                 struct v4l2_format *f)
727 {
728         struct cx8800_dev *dev = video_drvdata(file);
729         struct cx88_core *core = dev->core;
730 
731         f->fmt.pix.width        = core->width;
732         f->fmt.pix.height       = core->height;
733         f->fmt.pix.field        = core->field;
734         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
735         f->fmt.pix.bytesperline =
736                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
737         f->fmt.pix.sizeimage =
738                 f->fmt.pix.height * f->fmt.pix.bytesperline;
739         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
740         return 0;
741 }
742 
743 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
744                                   struct v4l2_format *f)
745 {
746         struct cx8800_dev *dev = video_drvdata(file);
747         struct cx88_core *core = dev->core;
748         const struct cx8800_fmt *fmt;
749         enum v4l2_field   field;
750         unsigned int      maxw, maxh;
751 
752         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
753         if (!fmt)
754                 return -EINVAL;
755 
756         maxw = norm_maxw(core->tvnorm);
757         maxh = norm_maxh(core->tvnorm);
758 
759         field = f->fmt.pix.field;
760 
761         switch (field) {
762         case V4L2_FIELD_TOP:
763         case V4L2_FIELD_BOTTOM:
764         case V4L2_FIELD_INTERLACED:
765         case V4L2_FIELD_SEQ_BT:
766         case V4L2_FIELD_SEQ_TB:
767                 break;
768         default:
769                 field = (f->fmt.pix.height > maxh / 2)
770                         ? V4L2_FIELD_INTERLACED
771                         : V4L2_FIELD_BOTTOM;
772                 break;
773         }
774         if (V4L2_FIELD_HAS_T_OR_B(field))
775                 maxh /= 2;
776 
777         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
778                               &f->fmt.pix.height, 32, maxh, 0, 0);
779         f->fmt.pix.field = field;
780         f->fmt.pix.bytesperline =
781                 (f->fmt.pix.width * fmt->depth) >> 3;
782         f->fmt.pix.sizeimage =
783                 f->fmt.pix.height * f->fmt.pix.bytesperline;
784         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
785 
786         return 0;
787 }
788 
789 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
790                                 struct v4l2_format *f)
791 {
792         struct cx8800_dev *dev = video_drvdata(file);
793         struct cx88_core *core = dev->core;
794         int err = vidioc_try_fmt_vid_cap(file, priv, f);
795 
796         if (err != 0)
797                 return err;
798         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
799                 return -EBUSY;
800         if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
801                 return -EBUSY;
802         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
803         core->width = f->fmt.pix.width;
804         core->height = f->fmt.pix.height;
805         core->field = f->fmt.pix.field;
806         return 0;
807 }
808 
809 void cx88_querycap(struct file *file, struct cx88_core *core,
810                    struct v4l2_capability *cap)
811 {
812         struct video_device *vdev = video_devdata(file);
813 
814         strlcpy(cap->card, core->board.name, sizeof(cap->card));
815         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
816         if (core->board.tuner_type != UNSET)
817                 cap->device_caps |= V4L2_CAP_TUNER;
818         switch (vdev->vfl_type) {
819         case VFL_TYPE_RADIO:
820                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
821                 break;
822         case VFL_TYPE_GRABBER:
823                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
824                 break;
825         case VFL_TYPE_VBI:
826                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
827                 break;
828         }
829         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
830                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
831         if (core->board.radio.type == CX88_RADIO)
832                 cap->capabilities |= V4L2_CAP_RADIO;
833 }
834 EXPORT_SYMBOL(cx88_querycap);
835 
836 static int vidioc_querycap(struct file *file, void  *priv,
837                            struct v4l2_capability *cap)
838 {
839         struct cx8800_dev *dev = video_drvdata(file);
840         struct cx88_core *core = dev->core;
841 
842         strcpy(cap->driver, "cx8800");
843         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
844         cx88_querycap(file, core, cap);
845         return 0;
846 }
847 
848 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
849                                    struct v4l2_fmtdesc *f)
850 {
851         if (unlikely(f->index >= ARRAY_SIZE(formats)))
852                 return -EINVAL;
853 
854         strlcpy(f->description, formats[f->index].name, sizeof(f->description));
855         f->pixelformat = formats[f->index].fourcc;
856 
857         return 0;
858 }
859 
860 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
861 {
862         struct cx8800_dev *dev = video_drvdata(file);
863         struct cx88_core *core = dev->core;
864 
865         *tvnorm = core->tvnorm;
866         return 0;
867 }
868 
869 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
870 {
871         struct cx8800_dev *dev = video_drvdata(file);
872         struct cx88_core *core = dev->core;
873 
874         return cx88_set_tvnorm(core, tvnorms);
875 }
876 
877 /* only one input in this sample driver */
878 int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
879 {
880         static const char * const iname[] = {
881                 [CX88_VMUX_COMPOSITE1] = "Composite1",
882                 [CX88_VMUX_COMPOSITE2] = "Composite2",
883                 [CX88_VMUX_COMPOSITE3] = "Composite3",
884                 [CX88_VMUX_COMPOSITE4] = "Composite4",
885                 [CX88_VMUX_SVIDEO] = "S-Video",
886                 [CX88_VMUX_TELEVISION] = "Television",
887                 [CX88_VMUX_CABLE] = "Cable TV",
888                 [CX88_VMUX_DVB] = "DVB",
889                 [CX88_VMUX_DEBUG] = "for debug only",
890         };
891         unsigned int n = i->index;
892 
893         if (n >= 4)
894                 return -EINVAL;
895         if (!INPUT(n).type)
896                 return -EINVAL;
897         i->type  = V4L2_INPUT_TYPE_CAMERA;
898         strcpy(i->name, iname[INPUT(n).type]);
899         if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
900             (INPUT(n).type == CX88_VMUX_CABLE))
901                 i->type = V4L2_INPUT_TYPE_TUNER;
902 
903         i->std = CX88_NORMS;
904         return 0;
905 }
906 EXPORT_SYMBOL(cx88_enum_input);
907 
908 static int vidioc_enum_input(struct file *file, void *priv,
909                              struct v4l2_input *i)
910 {
911         struct cx8800_dev *dev = video_drvdata(file);
912         struct cx88_core *core = dev->core;
913 
914         return cx88_enum_input(core, i);
915 }
916 
917 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
918 {
919         struct cx8800_dev *dev = video_drvdata(file);
920         struct cx88_core *core = dev->core;
921 
922         *i = core->input;
923         return 0;
924 }
925 
926 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
927 {
928         struct cx8800_dev *dev = video_drvdata(file);
929         struct cx88_core *core = dev->core;
930 
931         if (i >= 4)
932                 return -EINVAL;
933         if (!INPUT(i).type)
934                 return -EINVAL;
935 
936         cx88_newstation(core);
937         cx88_video_mux(core, i);
938         return 0;
939 }
940 
941 static int vidioc_g_tuner(struct file *file, void *priv,
942                           struct v4l2_tuner *t)
943 {
944         struct cx8800_dev *dev = video_drvdata(file);
945         struct cx88_core *core = dev->core;
946         u32 reg;
947 
948         if (unlikely(core->board.tuner_type == UNSET))
949                 return -EINVAL;
950         if (t->index != 0)
951                 return -EINVAL;
952 
953         strcpy(t->name, "Television");
954         t->capability = V4L2_TUNER_CAP_NORM;
955         t->rangehigh  = 0xffffffffUL;
956         call_all(core, tuner, g_tuner, t);
957 
958         cx88_get_stereo(core, t);
959         reg = cx_read(MO_DEVICE_STATUS);
960         t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
961         return 0;
962 }
963 
964 static int vidioc_s_tuner(struct file *file, void *priv,
965                           const struct v4l2_tuner *t)
966 {
967         struct cx8800_dev *dev = video_drvdata(file);
968         struct cx88_core *core = dev->core;
969 
970         if (core->board.tuner_type == UNSET)
971                 return -EINVAL;
972         if (t->index != 0)
973                 return -EINVAL;
974 
975         cx88_set_stereo(core, t->audmode, 1);
976         return 0;
977 }
978 
979 static int vidioc_g_frequency(struct file *file, void *priv,
980                               struct v4l2_frequency *f)
981 {
982         struct cx8800_dev *dev = video_drvdata(file);
983         struct cx88_core *core = dev->core;
984 
985         if (unlikely(core->board.tuner_type == UNSET))
986                 return -EINVAL;
987         if (f->tuner)
988                 return -EINVAL;
989 
990         f->frequency = core->freq;
991 
992         call_all(core, tuner, g_frequency, f);
993 
994         return 0;
995 }
996 
997 int cx88_set_freq(struct cx88_core  *core,
998                   const struct v4l2_frequency *f)
999 {
1000         struct v4l2_frequency new_freq = *f;
1001 
1002         if (unlikely(core->board.tuner_type == UNSET))
1003                 return -EINVAL;
1004         if (unlikely(f->tuner != 0))
1005                 return -EINVAL;
1006 
1007         cx88_newstation(core);
1008         call_all(core, tuner, s_frequency, f);
1009         call_all(core, tuner, g_frequency, &new_freq);
1010         core->freq = new_freq.frequency;
1011 
1012         /* When changing channels it is required to reset TVAUDIO */
1013         usleep_range(10000, 20000);
1014         cx88_set_tvaudio(core);
1015 
1016         return 0;
1017 }
1018 EXPORT_SYMBOL(cx88_set_freq);
1019 
1020 static int vidioc_s_frequency(struct file *file, void *priv,
1021                               const struct v4l2_frequency *f)
1022 {
1023         struct cx8800_dev *dev = video_drvdata(file);
1024         struct cx88_core *core = dev->core;
1025 
1026         return cx88_set_freq(core, f);
1027 }
1028 
1029 #ifdef CONFIG_VIDEO_ADV_DEBUG
1030 static int vidioc_g_register(struct file *file, void *fh,
1031                              struct v4l2_dbg_register *reg)
1032 {
1033         struct cx8800_dev *dev = video_drvdata(file);
1034         struct cx88_core *core = dev->core;
1035 
1036         /* cx2388x has a 24-bit register space */
1037         reg->val = cx_read(reg->reg & 0xfffffc);
1038         reg->size = 4;
1039         return 0;
1040 }
1041 
1042 static int vidioc_s_register(struct file *file, void *fh,
1043                              const struct v4l2_dbg_register *reg)
1044 {
1045         struct cx8800_dev *dev = video_drvdata(file);
1046         struct cx88_core *core = dev->core;
1047 
1048         cx_write(reg->reg & 0xfffffc, reg->val);
1049         return 0;
1050 }
1051 #endif
1052 
1053 /* ----------------------------------------------------------- */
1054 /* RADIO ESPECIFIC IOCTLS                                      */
1055 /* ----------------------------------------------------------- */
1056 
1057 static int radio_g_tuner(struct file *file, void *priv,
1058                          struct v4l2_tuner *t)
1059 {
1060         struct cx8800_dev *dev = video_drvdata(file);
1061         struct cx88_core *core = dev->core;
1062 
1063         if (unlikely(t->index > 0))
1064                 return -EINVAL;
1065 
1066         strcpy(t->name, "Radio");
1067 
1068         call_all(core, tuner, g_tuner, t);
1069         return 0;
1070 }
1071 
1072 static int radio_s_tuner(struct file *file, void *priv,
1073                          const struct v4l2_tuner *t)
1074 {
1075         struct cx8800_dev *dev = video_drvdata(file);
1076         struct cx88_core *core = dev->core;
1077 
1078         if (t->index != 0)
1079                 return -EINVAL;
1080 
1081         call_all(core, tuner, s_tuner, t);
1082         return 0;
1083 }
1084 
1085 /* ----------------------------------------------------------- */
1086 
1087 static const char *cx88_vid_irqs[32] = {
1088         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1089         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1090         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1091         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1092         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1093 };
1094 
1095 static void cx8800_vid_irq(struct cx8800_dev *dev)
1096 {
1097         struct cx88_core *core = dev->core;
1098         u32 status, mask, count;
1099 
1100         status = cx_read(MO_VID_INTSTAT);
1101         mask   = cx_read(MO_VID_INTMSK);
1102         if (0 == (status & mask))
1103                 return;
1104         cx_write(MO_VID_INTSTAT, status);
1105         if (irq_debug  ||  (status & mask & ~0xff))
1106                 cx88_print_irqbits("irq vid",
1107                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1108                                    status, mask);
1109 
1110         /* risc op code error */
1111         if (status & (1 << 16)) {
1112                 pr_warn("video risc op code error\n");
1113                 cx_clear(MO_VID_DMACNTRL, 0x11);
1114                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1115                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1116         }
1117 
1118         /* risc1 y */
1119         if (status & 0x01) {
1120                 spin_lock(&dev->slock);
1121                 count = cx_read(MO_VIDY_GPCNT);
1122                 cx88_wakeup(core, &dev->vidq, count);
1123                 spin_unlock(&dev->slock);
1124         }
1125 
1126         /* risc1 vbi */
1127         if (status & 0x08) {
1128                 spin_lock(&dev->slock);
1129                 count = cx_read(MO_VBI_GPCNT);
1130                 cx88_wakeup(core, &dev->vbiq, count);
1131                 spin_unlock(&dev->slock);
1132         }
1133 }
1134 
1135 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1136 {
1137         struct cx8800_dev *dev = dev_id;
1138         struct cx88_core *core = dev->core;
1139         u32 status;
1140         int loop, handled = 0;
1141 
1142         for (loop = 0; loop < 10; loop++) {
1143                 status = cx_read(MO_PCI_INTSTAT) &
1144                         (core->pci_irqmask | PCI_INT_VIDINT);
1145                 if (status == 0)
1146                         goto out;
1147                 cx_write(MO_PCI_INTSTAT, status);
1148                 handled = 1;
1149 
1150                 if (status & core->pci_irqmask)
1151                         cx88_core_irq(core, status);
1152                 if (status & PCI_INT_VIDINT)
1153                         cx8800_vid_irq(dev);
1154         }
1155         if (loop == 10) {
1156                 pr_warn("irq loop -- clearing mask\n");
1157                 cx_write(MO_PCI_INTMSK, 0);
1158         }
1159 
1160  out:
1161         return IRQ_RETVAL(handled);
1162 }
1163 
1164 /* ----------------------------------------------------------- */
1165 /* exported stuff                                              */
1166 
1167 static const struct v4l2_file_operations video_fops = {
1168         .owner         = THIS_MODULE,
1169         .open          = v4l2_fh_open,
1170         .release       = vb2_fop_release,
1171         .read          = vb2_fop_read,
1172         .poll          = vb2_fop_poll,
1173         .mmap          = vb2_fop_mmap,
1174         .unlocked_ioctl = video_ioctl2,
1175 };
1176 
1177 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1178         .vidioc_querycap      = vidioc_querycap,
1179         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1180         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1181         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1182         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1183         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1184         .vidioc_querybuf      = vb2_ioctl_querybuf,
1185         .vidioc_qbuf          = vb2_ioctl_qbuf,
1186         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1187         .vidioc_g_std         = vidioc_g_std,
1188         .vidioc_s_std         = vidioc_s_std,
1189         .vidioc_enum_input    = vidioc_enum_input,
1190         .vidioc_g_input       = vidioc_g_input,
1191         .vidioc_s_input       = vidioc_s_input,
1192         .vidioc_streamon      = vb2_ioctl_streamon,
1193         .vidioc_streamoff     = vb2_ioctl_streamoff,
1194         .vidioc_g_tuner       = vidioc_g_tuner,
1195         .vidioc_s_tuner       = vidioc_s_tuner,
1196         .vidioc_g_frequency   = vidioc_g_frequency,
1197         .vidioc_s_frequency   = vidioc_s_frequency,
1198         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1199         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1200 #ifdef CONFIG_VIDEO_ADV_DEBUG
1201         .vidioc_g_register    = vidioc_g_register,
1202         .vidioc_s_register    = vidioc_s_register,
1203 #endif
1204 };
1205 
1206 static const struct video_device cx8800_video_template = {
1207         .name                 = "cx8800-video",
1208         .fops                 = &video_fops,
1209         .ioctl_ops            = &video_ioctl_ops,
1210         .tvnorms              = CX88_NORMS,
1211 };
1212 
1213 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1214         .vidioc_querycap      = vidioc_querycap,
1215         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1216         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1217         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1218         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1219         .vidioc_querybuf      = vb2_ioctl_querybuf,
1220         .vidioc_qbuf          = vb2_ioctl_qbuf,
1221         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1222         .vidioc_g_std         = vidioc_g_std,
1223         .vidioc_s_std         = vidioc_s_std,
1224         .vidioc_enum_input    = vidioc_enum_input,
1225         .vidioc_g_input       = vidioc_g_input,
1226         .vidioc_s_input       = vidioc_s_input,
1227         .vidioc_streamon      = vb2_ioctl_streamon,
1228         .vidioc_streamoff     = vb2_ioctl_streamoff,
1229         .vidioc_g_tuner       = vidioc_g_tuner,
1230         .vidioc_s_tuner       = vidioc_s_tuner,
1231         .vidioc_g_frequency   = vidioc_g_frequency,
1232         .vidioc_s_frequency   = vidioc_s_frequency,
1233 #ifdef CONFIG_VIDEO_ADV_DEBUG
1234         .vidioc_g_register    = vidioc_g_register,
1235         .vidioc_s_register    = vidioc_s_register,
1236 #endif
1237 };
1238 
1239 static const struct video_device cx8800_vbi_template = {
1240         .name                 = "cx8800-vbi",
1241         .fops                 = &video_fops,
1242         .ioctl_ops            = &vbi_ioctl_ops,
1243         .tvnorms              = CX88_NORMS,
1244 };
1245 
1246 static const struct v4l2_file_operations radio_fops = {
1247         .owner         = THIS_MODULE,
1248         .open          = radio_open,
1249         .poll          = v4l2_ctrl_poll,
1250         .release       = v4l2_fh_release,
1251         .unlocked_ioctl = video_ioctl2,
1252 };
1253 
1254 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1255         .vidioc_querycap      = vidioc_querycap,
1256         .vidioc_g_tuner       = radio_g_tuner,
1257         .vidioc_s_tuner       = radio_s_tuner,
1258         .vidioc_g_frequency   = vidioc_g_frequency,
1259         .vidioc_s_frequency   = vidioc_s_frequency,
1260         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1261         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1262 #ifdef CONFIG_VIDEO_ADV_DEBUG
1263         .vidioc_g_register    = vidioc_g_register,
1264         .vidioc_s_register    = vidioc_s_register,
1265 #endif
1266 };
1267 
1268 static const struct video_device cx8800_radio_template = {
1269         .name                 = "cx8800-radio",
1270         .fops                 = &radio_fops,
1271         .ioctl_ops            = &radio_ioctl_ops,
1272 };
1273 
1274 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1275         .s_ctrl = cx8800_s_vid_ctrl,
1276 };
1277 
1278 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1279         .s_ctrl = cx8800_s_aud_ctrl,
1280 };
1281 
1282 /* ----------------------------------------------------------- */
1283 
1284 static void cx8800_unregister_video(struct cx8800_dev *dev)
1285 {
1286         video_unregister_device(&dev->radio_dev);
1287         video_unregister_device(&dev->vbi_dev);
1288         video_unregister_device(&dev->video_dev);
1289 }
1290 
1291 static int cx8800_initdev(struct pci_dev *pci_dev,
1292                           const struct pci_device_id *pci_id)
1293 {
1294         struct cx8800_dev *dev;
1295         struct cx88_core *core;
1296         struct vb2_queue *q;
1297         int err;
1298         int i;
1299 
1300         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1301         if (!dev)
1302                 return -ENOMEM;
1303 
1304         /* pci init */
1305         dev->pci = pci_dev;
1306         if (pci_enable_device(pci_dev)) {
1307                 err = -EIO;
1308                 goto fail_free;
1309         }
1310         core = cx88_core_get(dev->pci);
1311         if (!core) {
1312                 err = -EINVAL;
1313                 goto fail_free;
1314         }
1315         dev->core = core;
1316 
1317         /* print pci info */
1318         dev->pci_rev = pci_dev->revision;
1319         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1320         pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1321                 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1322                 dev->pci_lat,
1323                 (unsigned long long)pci_resource_start(pci_dev, 0));
1324 
1325         pci_set_master(pci_dev);
1326         err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
1327         if (err) {
1328                 pr_err("Oops: no 32bit PCI DMA ???\n");
1329                 goto fail_core;
1330         }
1331 
1332         /* initialize driver struct */
1333         spin_lock_init(&dev->slock);
1334 
1335         /* init video dma queues */
1336         INIT_LIST_HEAD(&dev->vidq.active);
1337 
1338         /* init vbi dma queues */
1339         INIT_LIST_HEAD(&dev->vbiq.active);
1340 
1341         /* get irq */
1342         err = request_irq(pci_dev->irq, cx8800_irq,
1343                           IRQF_SHARED, core->name, dev);
1344         if (err < 0) {
1345                 pr_err("can't get IRQ %d\n", pci_dev->irq);
1346                 goto fail_core;
1347         }
1348         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1349 
1350         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1351                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1352                 struct v4l2_ctrl *vc;
1353 
1354                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1355                                        cc->id, cc->minimum, cc->maximum,
1356                                        cc->step, cc->default_value);
1357                 if (!vc) {
1358                         err = core->audio_hdl.error;
1359                         goto fail_core;
1360                 }
1361                 vc->priv = (void *)cc;
1362         }
1363 
1364         for (i = 0; i < CX8800_VID_CTLS; i++) {
1365                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1366                 struct v4l2_ctrl *vc;
1367 
1368                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1369                                        cc->id, cc->minimum, cc->maximum,
1370                                        cc->step, cc->default_value);
1371                 if (!vc) {
1372                         err = core->video_hdl.error;
1373                         goto fail_core;
1374                 }
1375                 vc->priv = (void *)cc;
1376                 if (vc->id == V4L2_CID_CHROMA_AGC)
1377                         core->chroma_agc = vc;
1378         }
1379         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1380 
1381         /* load and configure helper modules */
1382 
1383         if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1384                 struct i2c_board_info wm8775_info = {
1385                         .type = "wm8775",
1386                         .addr = 0x36 >> 1,
1387                         .platform_data = &core->wm8775_data,
1388                 };
1389                 struct v4l2_subdev *sd;
1390 
1391                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1392                         core->wm8775_data.is_nova_s = true;
1393                 else
1394                         core->wm8775_data.is_nova_s = false;
1395 
1396                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1397                                                &wm8775_info, NULL);
1398                 if (sd) {
1399                         core->sd_wm8775 = sd;
1400                         sd->grp_id = WM8775_GID;
1401                 }
1402         }
1403 
1404         if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1405                 /*
1406                  * This probes for a tda9874 as is used on some
1407                  * Pixelview Ultra boards.
1408                  */
1409                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1410                                     "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1411         }
1412 
1413         switch (core->boardnr) {
1414         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1415         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1416                 static const struct i2c_board_info rtc_info = {
1417                         I2C_BOARD_INFO("isl1208", 0x6f)
1418                 };
1419 
1420                 request_module("rtc-isl1208");
1421                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1422         }
1423                 /* break intentionally omitted */
1424         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1425                 request_module("ir-kbd-i2c");
1426         }
1427 
1428         /* Sets device info at pci_dev */
1429         pci_set_drvdata(pci_dev, dev);
1430 
1431         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1432 
1433         /* Maintain a reference so cx88-blackbird can query the 8800 device. */
1434         core->v4ldev = dev;
1435 
1436         /* initial device configuration */
1437         mutex_lock(&core->lock);
1438         cx88_set_tvnorm(core, core->tvnorm);
1439         v4l2_ctrl_handler_setup(&core->video_hdl);
1440         v4l2_ctrl_handler_setup(&core->audio_hdl);
1441         cx88_video_mux(core, 0);
1442 
1443         q = &dev->vb2_vidq;
1444         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1445         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1446         q->gfp_flags = GFP_DMA32;
1447         q->min_buffers_needed = 2;
1448         q->drv_priv = dev;
1449         q->buf_struct_size = sizeof(struct cx88_buffer);
1450         q->ops = &cx8800_video_qops;
1451         q->mem_ops = &vb2_dma_sg_memops;
1452         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1453         q->lock = &core->lock;
1454         q->dev = &dev->pci->dev;
1455 
1456         err = vb2_queue_init(q);
1457         if (err < 0)
1458                 goto fail_unreg;
1459 
1460         q = &dev->vb2_vbiq;
1461         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1462         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1463         q->gfp_flags = GFP_DMA32;
1464         q->min_buffers_needed = 2;
1465         q->drv_priv = dev;
1466         q->buf_struct_size = sizeof(struct cx88_buffer);
1467         q->ops = &cx8800_vbi_qops;
1468         q->mem_ops = &vb2_dma_sg_memops;
1469         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1470         q->lock = &core->lock;
1471         q->dev = &dev->pci->dev;
1472 
1473         err = vb2_queue_init(q);
1474         if (err < 0)
1475                 goto fail_unreg;
1476 
1477         /* register v4l devices */
1478         cx88_vdev_init(core, dev->pci, &dev->video_dev,
1479                        &cx8800_video_template, "video");
1480         video_set_drvdata(&dev->video_dev, dev);
1481         dev->video_dev.ctrl_handler = &core->video_hdl;
1482         dev->video_dev.queue = &dev->vb2_vidq;
1483         err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1484                                     video_nr[core->nr]);
1485         if (err < 0) {
1486                 pr_err("can't register video device\n");
1487                 goto fail_unreg;
1488         }
1489         pr_info("registered device %s [v4l2]\n",
1490                 video_device_node_name(&dev->video_dev));
1491 
1492         cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1493                        &cx8800_vbi_template, "vbi");
1494         video_set_drvdata(&dev->vbi_dev, dev);
1495         dev->vbi_dev.queue = &dev->vb2_vbiq;
1496         err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1497                                     vbi_nr[core->nr]);
1498         if (err < 0) {
1499                 pr_err("can't register vbi device\n");
1500                 goto fail_unreg;
1501         }
1502         pr_info("registered device %s\n",
1503                 video_device_node_name(&dev->vbi_dev));
1504 
1505         if (core->board.radio.type == CX88_RADIO) {
1506                 cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1507                                &cx8800_radio_template, "radio");
1508                 video_set_drvdata(&dev->radio_dev, dev);
1509                 dev->radio_dev.ctrl_handler = &core->audio_hdl;
1510                 err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1511                                             radio_nr[core->nr]);
1512                 if (err < 0) {
1513                         pr_err("can't register radio device\n");
1514                         goto fail_unreg;
1515                 }
1516                 pr_info("registered device %s\n",
1517                         video_device_node_name(&dev->radio_dev));
1518         }
1519 
1520         /* start tvaudio thread */
1521         if (core->board.tuner_type != UNSET) {
1522                 core->kthread = kthread_run(cx88_audio_thread,
1523                                             core, "cx88 tvaudio");
1524                 if (IS_ERR(core->kthread)) {
1525                         err = PTR_ERR(core->kthread);
1526                         pr_err("failed to create cx88 audio thread, err=%d\n",
1527                                err);
1528                 }
1529         }
1530         mutex_unlock(&core->lock);
1531 
1532         return 0;
1533 
1534 fail_unreg:
1535         cx8800_unregister_video(dev);
1536         free_irq(pci_dev->irq, dev);
1537         mutex_unlock(&core->lock);
1538 fail_core:
1539         core->v4ldev = NULL;
1540         cx88_core_put(core, dev->pci);
1541 fail_free:
1542         kfree(dev);
1543         return err;
1544 }
1545 
1546 static void cx8800_finidev(struct pci_dev *pci_dev)
1547 {
1548         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1549         struct cx88_core *core = dev->core;
1550 
1551         /* stop thread */
1552         if (core->kthread) {
1553                 kthread_stop(core->kthread);
1554                 core->kthread = NULL;
1555         }
1556 
1557         if (core->ir)
1558                 cx88_ir_stop(core);
1559 
1560         cx88_shutdown(core); /* FIXME */
1561 
1562         /* unregister stuff */
1563 
1564         free_irq(pci_dev->irq, dev);
1565         cx8800_unregister_video(dev);
1566         pci_disable_device(pci_dev);
1567 
1568         core->v4ldev = NULL;
1569 
1570         /* free memory */
1571         cx88_core_put(core, dev->pci);
1572         kfree(dev);
1573 }
1574 
1575 #ifdef CONFIG_PM
1576 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1577 {
1578         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1579         struct cx88_core *core = dev->core;
1580         unsigned long flags;
1581 
1582         /* stop video+vbi capture */
1583         spin_lock_irqsave(&dev->slock, flags);
1584         if (!list_empty(&dev->vidq.active)) {
1585                 pr_info("suspend video\n");
1586                 stop_video_dma(dev);
1587         }
1588         if (!list_empty(&dev->vbiq.active)) {
1589                 pr_info("suspend vbi\n");
1590                 cx8800_stop_vbi_dma(dev);
1591         }
1592         spin_unlock_irqrestore(&dev->slock, flags);
1593 
1594         if (core->ir)
1595                 cx88_ir_stop(core);
1596         /* FIXME -- shutdown device */
1597         cx88_shutdown(core);
1598 
1599         pci_save_state(pci_dev);
1600         if (pci_set_power_state(pci_dev,
1601                                 pci_choose_state(pci_dev, state)) != 0) {
1602                 pci_disable_device(pci_dev);
1603                 dev->state.disabled = 1;
1604         }
1605         return 0;
1606 }
1607 
1608 static int cx8800_resume(struct pci_dev *pci_dev)
1609 {
1610         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1611         struct cx88_core *core = dev->core;
1612         unsigned long flags;
1613         int err;
1614 
1615         if (dev->state.disabled) {
1616                 err = pci_enable_device(pci_dev);
1617                 if (err) {
1618                         pr_err("can't enable device\n");
1619                         return err;
1620                 }
1621 
1622                 dev->state.disabled = 0;
1623         }
1624         err = pci_set_power_state(pci_dev, PCI_D0);
1625         if (err) {
1626                 pr_err("can't set power state\n");
1627                 pci_disable_device(pci_dev);
1628                 dev->state.disabled = 1;
1629 
1630                 return err;
1631         }
1632         pci_restore_state(pci_dev);
1633 
1634         /* FIXME: re-initialize hardware */
1635         cx88_reset(core);
1636         if (core->ir)
1637                 cx88_ir_start(core);
1638 
1639         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1640 
1641         /* restart video+vbi capture */
1642         spin_lock_irqsave(&dev->slock, flags);
1643         if (!list_empty(&dev->vidq.active)) {
1644                 pr_info("resume video\n");
1645                 restart_video_queue(dev, &dev->vidq);
1646         }
1647         if (!list_empty(&dev->vbiq.active)) {
1648                 pr_info("resume vbi\n");
1649                 cx8800_restart_vbi_queue(dev, &dev->vbiq);
1650         }
1651         spin_unlock_irqrestore(&dev->slock, flags);
1652 
1653         return 0;
1654 }
1655 #endif
1656 
1657 /* ----------------------------------------------------------- */
1658 
1659 static const struct pci_device_id cx8800_pci_tbl[] = {
1660         {
1661                 .vendor       = 0x14f1,
1662                 .device       = 0x8800,
1663                 .subvendor    = PCI_ANY_ID,
1664                 .subdevice    = PCI_ANY_ID,
1665         }, {
1666                 /* --- end of list --- */
1667         }
1668 };
1669 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1670 
1671 static struct pci_driver cx8800_pci_driver = {
1672         .name     = "cx8800",
1673         .id_table = cx8800_pci_tbl,
1674         .probe    = cx8800_initdev,
1675         .remove   = cx8800_finidev,
1676 #ifdef CONFIG_PM
1677         .suspend  = cx8800_suspend,
1678         .resume   = cx8800_resume,
1679 #endif
1680 };
1681 
1682 module_pci_driver(cx8800_pci_driver);
1683 

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