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/i2c/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 = 0;
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 
414 static int restart_video_queue(struct cx8800_dev    *dev,
415 			       struct cx88_dmaqueue *q)
416 {
417 	struct cx88_core *core = dev->core;
418 	struct cx88_buffer *buf;
419 
420 	if (!list_empty(&q->active)) {
421 		buf = list_entry(q->active.next, struct cx88_buffer, list);
422 		dprintk(2,"restart_queue [%p/%d]: restart dma\n",
423 			buf, buf->vb.vb2_buf.index);
424 		start_video_dma(dev, q, buf);
425 	}
426 	return 0;
427 }
428 #endif
429 
430 /* ------------------------------------------------------------------ */
431 
432 static int queue_setup(struct vb2_queue *q,
433 			   unsigned int *num_buffers, unsigned int *num_planes,
434 			   unsigned int sizes[], struct device *alloc_devs[])
435 {
436 	struct cx8800_dev *dev = q->drv_priv;
437 	struct cx88_core *core = dev->core;
438 
439 	*num_planes = 1;
440 	sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
441 	return 0;
442 }
443 
444 static int buffer_prepare(struct vb2_buffer *vb)
445 {
446 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
447 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
448 	struct cx88_core *core = dev->core;
449 	struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
450 	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
451 
452 	buf->bpl = core->width * dev->fmt->depth >> 3;
453 
454 	if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
455 		return -EINVAL;
456 	vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
457 
458 	switch (core->field) {
459 	case V4L2_FIELD_TOP:
460 		cx88_risc_buffer(dev->pci, &buf->risc,
461 				 sgt->sgl, 0, UNSET,
462 				 buf->bpl, 0, core->height);
463 		break;
464 	case V4L2_FIELD_BOTTOM:
465 		cx88_risc_buffer(dev->pci, &buf->risc,
466 				 sgt->sgl, UNSET, 0,
467 				 buf->bpl, 0, core->height);
468 		break;
469 	case V4L2_FIELD_SEQ_TB:
470 		cx88_risc_buffer(dev->pci, &buf->risc,
471 				 sgt->sgl,
472 				 0, buf->bpl * (core->height >> 1),
473 				 buf->bpl, 0,
474 				 core->height >> 1);
475 		break;
476 	case V4L2_FIELD_SEQ_BT:
477 		cx88_risc_buffer(dev->pci, &buf->risc,
478 				 sgt->sgl,
479 				 buf->bpl * (core->height >> 1), 0,
480 				 buf->bpl, 0,
481 				 core->height >> 1);
482 		break;
483 	case V4L2_FIELD_INTERLACED:
484 	default:
485 		cx88_risc_buffer(dev->pci, &buf->risc,
486 				 sgt->sgl, 0, buf->bpl,
487 				 buf->bpl, buf->bpl,
488 				 core->height >> 1);
489 		break;
490 	}
491 	dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
492 		buf, buf->vb.vb2_buf.index,
493 		core->width, core->height, dev->fmt->depth, dev->fmt->name,
494 		(unsigned long)buf->risc.dma);
495 	return 0;
496 }
497 
498 static void buffer_finish(struct vb2_buffer *vb)
499 {
500 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
501 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
502 	struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
503 	struct cx88_riscmem *risc = &buf->risc;
504 
505 	if (risc->cpu)
506 		pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
507 	memset(risc, 0, sizeof(*risc));
508 }
509 
510 static void buffer_queue(struct vb2_buffer *vb)
511 {
512 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
513 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
514 	struct cx88_buffer    *buf = container_of(vbuf, 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 		dprintk(2,"[%p/%d] buffer_queue - first active\n",
527 			buf, buf->vb.vb2_buf.index);
528 
529 	} else {
530 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
531 		prev = list_entry(q->active.prev, struct cx88_buffer, list);
532 		list_add_tail(&buf->list, &q->active);
533 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
534 		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
535 			buf, buf->vb.vb2_buf.index);
536 	}
537 }
538 
539 static int start_streaming(struct vb2_queue *q, unsigned int count)
540 {
541 	struct cx8800_dev *dev = q->drv_priv;
542 	struct cx88_dmaqueue *dmaq = &dev->vidq;
543 	struct cx88_buffer *buf = list_entry(dmaq->active.next,
544 			struct cx88_buffer, list);
545 
546 	start_video_dma(dev, dmaq, buf);
547 	return 0;
548 }
549 
550 static void stop_streaming(struct vb2_queue *q)
551 {
552 	struct cx8800_dev *dev = q->drv_priv;
553 	struct cx88_core *core = dev->core;
554 	struct cx88_dmaqueue *dmaq = &dev->vidq;
555 	unsigned long flags;
556 
557 	cx_clear(MO_VID_DMACNTRL, 0x11);
558 	cx_clear(VID_CAPTURE_CONTROL, 0x06);
559 	spin_lock_irqsave(&dev->slock, flags);
560 	while (!list_empty(&dmaq->active)) {
561 		struct cx88_buffer *buf = list_entry(dmaq->active.next,
562 			struct cx88_buffer, list);
563 
564 		list_del(&buf->list);
565 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
566 	}
567 	spin_unlock_irqrestore(&dev->slock, flags);
568 }
569 
570 static const struct vb2_ops cx8800_video_qops = {
571 	.queue_setup    = queue_setup,
572 	.buf_prepare  = buffer_prepare,
573 	.buf_finish = buffer_finish,
574 	.buf_queue    = buffer_queue,
575 	.wait_prepare = vb2_ops_wait_prepare,
576 	.wait_finish = vb2_ops_wait_finish,
577 	.start_streaming = start_streaming,
578 	.stop_streaming = stop_streaming,
579 };
580 
581 /* ------------------------------------------------------------------ */
582 
583 static int radio_open(struct file *file)
584 {
585 	struct cx8800_dev *dev = video_drvdata(file);
586 	struct cx88_core *core = dev->core;
587 	int ret = v4l2_fh_open(file);
588 
589 	if (ret)
590 		return ret;
591 
592 	cx_write(MO_GP3_IO, core->board.radio.gpio3);
593 	cx_write(MO_GP0_IO, core->board.radio.gpio0);
594 	cx_write(MO_GP1_IO, core->board.radio.gpio1);
595 	cx_write(MO_GP2_IO, core->board.radio.gpio2);
596 	if (core->board.radio.audioroute) {
597 		if (core->sd_wm8775) {
598 			call_all(core, audio, s_routing,
599 					core->board.radio.audioroute, 0, 0);
600 		}
601 		/* "I2S ADC mode" */
602 		core->tvaudio = WW_I2SADC;
603 		cx88_set_tvaudio(core);
604 	} else {
605 		/* FM Mode */
606 		core->tvaudio = WW_FM;
607 		cx88_set_tvaudio(core);
608 		cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
609 	}
610 	call_all(core, tuner, s_radio);
611 	return 0;
612 }
613 
614 /* ------------------------------------------------------------------ */
615 /* VIDEO CTRL IOCTLS                                                  */
616 
617 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
618 {
619 	struct cx88_core *core =
620 		container_of(ctrl->handler, struct cx88_core, video_hdl);
621 	const struct cx88_ctrl *cc = ctrl->priv;
622 	u32 value, mask;
623 
624 	mask = cc->mask;
625 	switch (ctrl->id) {
626 	case V4L2_CID_SATURATION:
627 		/* special v_sat handling */
628 
629 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
630 
631 		if (core->tvnorm & V4L2_STD_SECAM) {
632 			/* For SECAM, both U and V sat should be equal */
633 			value = value << 8 | value;
634 		} else {
635 			/* Keeps U Saturation proportional to V Sat */
636 			value = (value * 0x5a) / 0x7f << 8 | value;
637 		}
638 		mask = 0xffff;
639 		break;
640 	case V4L2_CID_SHARPNESS:
641 		/* 0b000, 0b100, 0b101, 0b110, or 0b111 */
642 		value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
643 		/* needs to be set for both fields */
644 		cx_andor(MO_FILTER_EVEN, mask, value);
645 		break;
646 	case V4L2_CID_CHROMA_AGC:
647 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
648 		break;
649 	default:
650 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
651 		break;
652 	}
653 	dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
654 				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
655 				mask, cc->sreg ? " [shadowed]" : "");
656 	if (cc->sreg)
657 		cx_sandor(cc->sreg, cc->reg, mask, value);
658 	else
659 		cx_andor(cc->reg, mask, value);
660 	return 0;
661 }
662 
663 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
664 {
665 	struct cx88_core *core =
666 		container_of(ctrl->handler, struct cx88_core, audio_hdl);
667 	const struct cx88_ctrl *cc = ctrl->priv;
668 	u32 value,mask;
669 
670 	/* Pass changes onto any WM8775 */
671 	if (core->sd_wm8775) {
672 		switch (ctrl->id) {
673 		case V4L2_CID_AUDIO_MUTE:
674 			wm8775_s_ctrl(core, ctrl->id, ctrl->val);
675 			break;
676 		case V4L2_CID_AUDIO_VOLUME:
677 			wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
678 						(0x90 + ctrl->val) << 8 : 0);
679 			break;
680 		case V4L2_CID_AUDIO_BALANCE:
681 			wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
682 			break;
683 		default:
684 			break;
685 		}
686 	}
687 
688 	mask = cc->mask;
689 	switch (ctrl->id) {
690 	case V4L2_CID_AUDIO_BALANCE:
691 		value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
692 		break;
693 	case V4L2_CID_AUDIO_VOLUME:
694 		value = 0x3f - (ctrl->val & 0x3f);
695 		break;
696 	default:
697 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
698 		break;
699 	}
700 	dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
701 				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
702 				mask, cc->sreg ? " [shadowed]" : "");
703 	if (cc->sreg)
704 		cx_sandor(cc->sreg, cc->reg, mask, value);
705 	else
706 		cx_andor(cc->reg, mask, value);
707 	return 0;
708 }
709 
710 /* ------------------------------------------------------------------ */
711 /* VIDEO IOCTLS                                                       */
712 
713 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
714 					struct v4l2_format *f)
715 {
716 	struct cx8800_dev *dev = video_drvdata(file);
717 	struct cx88_core *core = dev->core;
718 
719 	f->fmt.pix.width        = core->width;
720 	f->fmt.pix.height       = core->height;
721 	f->fmt.pix.field        = core->field;
722 	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
723 	f->fmt.pix.bytesperline =
724 		(f->fmt.pix.width * dev->fmt->depth) >> 3;
725 	f->fmt.pix.sizeimage =
726 		f->fmt.pix.height * f->fmt.pix.bytesperline;
727 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
728 	return 0;
729 }
730 
731 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
732 			struct v4l2_format *f)
733 {
734 	struct cx8800_dev *dev = video_drvdata(file);
735 	struct cx88_core *core = dev->core;
736 	const struct cx8800_fmt *fmt;
737 	enum v4l2_field   field;
738 	unsigned int      maxw, maxh;
739 
740 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
741 	if (NULL == fmt)
742 		return -EINVAL;
743 
744 	maxw = norm_maxw(core->tvnorm);
745 	maxh = norm_maxh(core->tvnorm);
746 
747 	field = f->fmt.pix.field;
748 
749 	switch (field) {
750 	case V4L2_FIELD_TOP:
751 	case V4L2_FIELD_BOTTOM:
752 	case V4L2_FIELD_INTERLACED:
753 	case V4L2_FIELD_SEQ_BT:
754 	case V4L2_FIELD_SEQ_TB:
755 		break;
756 	default:
757 		field = (f->fmt.pix.height > maxh / 2)
758 			? V4L2_FIELD_INTERLACED
759 			: V4L2_FIELD_BOTTOM;
760 		break;
761 	}
762 	if (V4L2_FIELD_HAS_T_OR_B(field))
763 		maxh /= 2;
764 
765 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
766 			      &f->fmt.pix.height, 32, maxh, 0, 0);
767 	f->fmt.pix.field = field;
768 	f->fmt.pix.bytesperline =
769 		(f->fmt.pix.width * fmt->depth) >> 3;
770 	f->fmt.pix.sizeimage =
771 		f->fmt.pix.height * f->fmt.pix.bytesperline;
772 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
773 
774 	return 0;
775 }
776 
777 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
778 					struct v4l2_format *f)
779 {
780 	struct cx8800_dev *dev = video_drvdata(file);
781 	struct cx88_core *core = dev->core;
782 	int err = vidioc_try_fmt_vid_cap (file,priv,f);
783 
784 	if (0 != err)
785 		return err;
786 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
787 		return -EBUSY;
788 	if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
789 		return -EBUSY;
790 	dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
791 	core->width = f->fmt.pix.width;
792 	core->height = f->fmt.pix.height;
793 	core->field = f->fmt.pix.field;
794 	return 0;
795 }
796 
797 void cx88_querycap(struct file *file, struct cx88_core *core,
798 		struct v4l2_capability *cap)
799 {
800 	struct video_device *vdev = video_devdata(file);
801 
802 	strlcpy(cap->card, core->board.name, sizeof(cap->card));
803 	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
804 	if (UNSET != core->board.tuner_type)
805 		cap->device_caps |= V4L2_CAP_TUNER;
806 	switch (vdev->vfl_type) {
807 	case VFL_TYPE_RADIO:
808 		cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
809 		break;
810 	case VFL_TYPE_GRABBER:
811 		cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
812 		break;
813 	case VFL_TYPE_VBI:
814 		cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
815 		break;
816 	}
817 	cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
818 		V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
819 	if (core->board.radio.type == CX88_RADIO)
820 		cap->capabilities |= V4L2_CAP_RADIO;
821 }
822 EXPORT_SYMBOL(cx88_querycap);
823 
824 static int vidioc_querycap(struct file *file, void  *priv,
825 					struct v4l2_capability *cap)
826 {
827 	struct cx8800_dev *dev = video_drvdata(file);
828 	struct cx88_core *core = dev->core;
829 
830 	strcpy(cap->driver, "cx8800");
831 	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
832 	cx88_querycap(file, core, cap);
833 	return 0;
834 }
835 
836 static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
837 					struct v4l2_fmtdesc *f)
838 {
839 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
840 		return -EINVAL;
841 
842 	strlcpy(f->description,formats[f->index].name,sizeof(f->description));
843 	f->pixelformat = formats[f->index].fourcc;
844 
845 	return 0;
846 }
847 
848 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
849 {
850 	struct cx8800_dev *dev = video_drvdata(file);
851 	struct cx88_core *core = dev->core;
852 
853 	*tvnorm = core->tvnorm;
854 	return 0;
855 }
856 
857 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
858 {
859 	struct cx8800_dev *dev = video_drvdata(file);
860 	struct cx88_core *core = dev->core;
861 
862 	return cx88_set_tvnorm(core, tvnorms);
863 }
864 
865 /* only one input in this sample driver */
866 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
867 {
868 	static const char * const iname[] = {
869 		[ CX88_VMUX_COMPOSITE1 ] = "Composite1",
870 		[ CX88_VMUX_COMPOSITE2 ] = "Composite2",
871 		[ CX88_VMUX_COMPOSITE3 ] = "Composite3",
872 		[ CX88_VMUX_COMPOSITE4 ] = "Composite4",
873 		[ CX88_VMUX_SVIDEO     ] = "S-Video",
874 		[ CX88_VMUX_TELEVISION ] = "Television",
875 		[ CX88_VMUX_CABLE      ] = "Cable TV",
876 		[ CX88_VMUX_DVB        ] = "DVB",
877 		[ CX88_VMUX_DEBUG      ] = "for debug only",
878 	};
879 	unsigned int n = i->index;
880 
881 	if (n >= 4)
882 		return -EINVAL;
883 	if (0 == INPUT(n).type)
884 		return -EINVAL;
885 	i->type  = V4L2_INPUT_TYPE_CAMERA;
886 	strcpy(i->name,iname[INPUT(n).type]);
887 	if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
888 	    (CX88_VMUX_CABLE      == INPUT(n).type)) {
889 		i->type = V4L2_INPUT_TYPE_TUNER;
890 	}
891 	i->std = CX88_NORMS;
892 	return 0;
893 }
894 EXPORT_SYMBOL(cx88_enum_input);
895 
896 static int vidioc_enum_input (struct file *file, void *priv,
897 				struct v4l2_input *i)
898 {
899 	struct cx8800_dev *dev = video_drvdata(file);
900 	struct cx88_core *core = dev->core;
901 	return cx88_enum_input (core,i);
902 }
903 
904 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
905 {
906 	struct cx8800_dev *dev = video_drvdata(file);
907 	struct cx88_core *core = dev->core;
908 
909 	*i = core->input;
910 	return 0;
911 }
912 
913 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
914 {
915 	struct cx8800_dev *dev = video_drvdata(file);
916 	struct cx88_core *core = dev->core;
917 
918 	if (i >= 4)
919 		return -EINVAL;
920 	if (0 == INPUT(i).type)
921 		return -EINVAL;
922 
923 	cx88_newstation(core);
924 	cx88_video_mux(core,i);
925 	return 0;
926 }
927 
928 static int vidioc_g_tuner (struct file *file, void *priv,
929 				struct v4l2_tuner *t)
930 {
931 	struct cx8800_dev *dev = video_drvdata(file);
932 	struct cx88_core *core = dev->core;
933 	u32 reg;
934 
935 	if (unlikely(UNSET == core->board.tuner_type))
936 		return -EINVAL;
937 	if (0 != t->index)
938 		return -EINVAL;
939 
940 	strcpy(t->name, "Television");
941 	t->capability = V4L2_TUNER_CAP_NORM;
942 	t->rangehigh  = 0xffffffffUL;
943 	call_all(core, tuner, g_tuner, t);
944 
945 	cx88_get_stereo(core ,t);
946 	reg = cx_read(MO_DEVICE_STATUS);
947 	t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
948 	return 0;
949 }
950 
951 static int vidioc_s_tuner (struct file *file, void *priv,
952 				const struct v4l2_tuner *t)
953 {
954 	struct cx8800_dev *dev = video_drvdata(file);
955 	struct cx88_core *core = dev->core;
956 
957 	if (UNSET == core->board.tuner_type)
958 		return -EINVAL;
959 	if (0 != t->index)
960 		return -EINVAL;
961 
962 	cx88_set_stereo(core, t->audmode, 1);
963 	return 0;
964 }
965 
966 static int vidioc_g_frequency (struct file *file, void *priv,
967 				struct v4l2_frequency *f)
968 {
969 	struct cx8800_dev *dev = video_drvdata(file);
970 	struct cx88_core *core = dev->core;
971 
972 	if (unlikely(UNSET == core->board.tuner_type))
973 		return -EINVAL;
974 	if (f->tuner)
975 		return -EINVAL;
976 
977 	f->frequency = core->freq;
978 
979 	call_all(core, tuner, g_frequency, f);
980 
981 	return 0;
982 }
983 
984 int cx88_set_freq (struct cx88_core  *core,
985 				const struct v4l2_frequency *f)
986 {
987 	struct v4l2_frequency new_freq = *f;
988 
989 	if (unlikely(UNSET == core->board.tuner_type))
990 		return -EINVAL;
991 	if (unlikely(f->tuner != 0))
992 		return -EINVAL;
993 
994 	cx88_newstation(core);
995 	call_all(core, tuner, s_frequency, f);
996 	call_all(core, tuner, g_frequency, &new_freq);
997 	core->freq = new_freq.frequency;
998 
999 	/* When changing channels it is required to reset TVAUDIO */
1000 	msleep (10);
1001 	cx88_set_tvaudio(core);
1002 
1003 	return 0;
1004 }
1005 EXPORT_SYMBOL(cx88_set_freq);
1006 
1007 static int vidioc_s_frequency (struct file *file, void *priv,
1008 				const struct v4l2_frequency *f)
1009 {
1010 	struct cx8800_dev *dev = video_drvdata(file);
1011 	struct cx88_core *core = dev->core;
1012 
1013 	return cx88_set_freq(core, f);
1014 }
1015 
1016 #ifdef CONFIG_VIDEO_ADV_DEBUG
1017 static int vidioc_g_register (struct file *file, void *fh,
1018 				struct v4l2_dbg_register *reg)
1019 {
1020 	struct cx8800_dev *dev = video_drvdata(file);
1021 	struct cx88_core *core = dev->core;
1022 
1023 	/* cx2388x has a 24-bit register space */
1024 	reg->val = cx_read(reg->reg & 0xfffffc);
1025 	reg->size = 4;
1026 	return 0;
1027 }
1028 
1029 static int vidioc_s_register (struct file *file, void *fh,
1030 				const struct v4l2_dbg_register *reg)
1031 {
1032 	struct cx8800_dev *dev = video_drvdata(file);
1033 	struct cx88_core *core = dev->core;
1034 
1035 	cx_write(reg->reg & 0xfffffc, reg->val);
1036 	return 0;
1037 }
1038 #endif
1039 
1040 /* ----------------------------------------------------------- */
1041 /* RADIO ESPECIFIC IOCTLS                                      */
1042 /* ----------------------------------------------------------- */
1043 
1044 static int radio_g_tuner (struct file *file, void *priv,
1045 				struct v4l2_tuner *t)
1046 {
1047 	struct cx8800_dev *dev = video_drvdata(file);
1048 	struct cx88_core *core = dev->core;
1049 
1050 	if (unlikely(t->index > 0))
1051 		return -EINVAL;
1052 
1053 	strcpy(t->name, "Radio");
1054 
1055 	call_all(core, tuner, g_tuner, t);
1056 	return 0;
1057 }
1058 
1059 static int radio_s_tuner (struct file *file, void *priv,
1060 				const struct v4l2_tuner *t)
1061 {
1062 	struct cx8800_dev *dev = video_drvdata(file);
1063 	struct cx88_core *core = dev->core;
1064 
1065 	if (0 != t->index)
1066 		return -EINVAL;
1067 
1068 	call_all(core, tuner, s_tuner, t);
1069 	return 0;
1070 }
1071 
1072 /* ----------------------------------------------------------- */
1073 
1074 static const char *cx88_vid_irqs[32] = {
1075 	"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1076 	"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1077 	"y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1078 	"y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1079 	"opc_err",  "par_err",  "rip_err",  "pci_abort",
1080 };
1081 
1082 static void cx8800_vid_irq(struct cx8800_dev *dev)
1083 {
1084 	struct cx88_core *core = dev->core;
1085 	u32 status, mask, count;
1086 
1087 	status = cx_read(MO_VID_INTSTAT);
1088 	mask   = cx_read(MO_VID_INTMSK);
1089 	if (0 == (status & mask))
1090 		return;
1091 	cx_write(MO_VID_INTSTAT, status);
1092 	if (irq_debug  ||  (status & mask & ~0xff))
1093 		cx88_print_irqbits(core->name, "irq vid",
1094 				   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1095 				   status, mask);
1096 
1097 	/* risc op code error */
1098 	if (status & (1 << 16)) {
1099 		printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1100 		cx_clear(MO_VID_DMACNTRL, 0x11);
1101 		cx_clear(VID_CAPTURE_CONTROL, 0x06);
1102 		cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1103 	}
1104 
1105 	/* risc1 y */
1106 	if (status & 0x01) {
1107 		spin_lock(&dev->slock);
1108 		count = cx_read(MO_VIDY_GPCNT);
1109 		cx88_wakeup(core, &dev->vidq, count);
1110 		spin_unlock(&dev->slock);
1111 	}
1112 
1113 	/* risc1 vbi */
1114 	if (status & 0x08) {
1115 		spin_lock(&dev->slock);
1116 		count = cx_read(MO_VBI_GPCNT);
1117 		cx88_wakeup(core, &dev->vbiq, count);
1118 		spin_unlock(&dev->slock);
1119 	}
1120 }
1121 
1122 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1123 {
1124 	struct cx8800_dev *dev = dev_id;
1125 	struct cx88_core *core = dev->core;
1126 	u32 status;
1127 	int loop, handled = 0;
1128 
1129 	for (loop = 0; loop < 10; loop++) {
1130 		status = cx_read(MO_PCI_INTSTAT) &
1131 			(core->pci_irqmask | PCI_INT_VIDINT);
1132 		if (0 == status)
1133 			goto out;
1134 		cx_write(MO_PCI_INTSTAT, status);
1135 		handled = 1;
1136 
1137 		if (status & core->pci_irqmask)
1138 			cx88_core_irq(core,status);
1139 		if (status & PCI_INT_VIDINT)
1140 			cx8800_vid_irq(dev);
1141 	}
1142 	if (10 == loop) {
1143 		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1144 		       core->name);
1145 		cx_write(MO_PCI_INTMSK,0);
1146 	}
1147 
1148  out:
1149 	return IRQ_RETVAL(handled);
1150 }
1151 
1152 /* ----------------------------------------------------------- */
1153 /* exported stuff                                              */
1154 
1155 static const struct v4l2_file_operations video_fops =
1156 {
1157 	.owner	       = THIS_MODULE,
1158 	.open	       = v4l2_fh_open,
1159 	.release       = vb2_fop_release,
1160 	.read	       = vb2_fop_read,
1161 	.poll          = vb2_fop_poll,
1162 	.mmap	       = vb2_fop_mmap,
1163 	.unlocked_ioctl = video_ioctl2,
1164 };
1165 
1166 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1167 	.vidioc_querycap      = vidioc_querycap,
1168 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1169 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1170 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1171 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1172 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1173 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1174 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1175 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1176 	.vidioc_g_std         = vidioc_g_std,
1177 	.vidioc_s_std         = vidioc_s_std,
1178 	.vidioc_enum_input    = vidioc_enum_input,
1179 	.vidioc_g_input       = vidioc_g_input,
1180 	.vidioc_s_input       = vidioc_s_input,
1181 	.vidioc_streamon      = vb2_ioctl_streamon,
1182 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1183 	.vidioc_g_tuner       = vidioc_g_tuner,
1184 	.vidioc_s_tuner       = vidioc_s_tuner,
1185 	.vidioc_g_frequency   = vidioc_g_frequency,
1186 	.vidioc_s_frequency   = vidioc_s_frequency,
1187 	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1188 	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1189 #ifdef CONFIG_VIDEO_ADV_DEBUG
1190 	.vidioc_g_register    = vidioc_g_register,
1191 	.vidioc_s_register    = vidioc_s_register,
1192 #endif
1193 };
1194 
1195 static const struct video_device cx8800_video_template = {
1196 	.name                 = "cx8800-video",
1197 	.fops                 = &video_fops,
1198 	.ioctl_ops 	      = &video_ioctl_ops,
1199 	.tvnorms              = CX88_NORMS,
1200 };
1201 
1202 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1203 	.vidioc_querycap      = vidioc_querycap,
1204 	.vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1205 	.vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1206 	.vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1207 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1208 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1209 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1210 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1211 	.vidioc_g_std         = vidioc_g_std,
1212 	.vidioc_s_std         = vidioc_s_std,
1213 	.vidioc_enum_input    = vidioc_enum_input,
1214 	.vidioc_g_input       = vidioc_g_input,
1215 	.vidioc_s_input       = vidioc_s_input,
1216 	.vidioc_streamon      = vb2_ioctl_streamon,
1217 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1218 	.vidioc_g_tuner       = vidioc_g_tuner,
1219 	.vidioc_s_tuner       = vidioc_s_tuner,
1220 	.vidioc_g_frequency   = vidioc_g_frequency,
1221 	.vidioc_s_frequency   = vidioc_s_frequency,
1222 #ifdef CONFIG_VIDEO_ADV_DEBUG
1223 	.vidioc_g_register    = vidioc_g_register,
1224 	.vidioc_s_register    = vidioc_s_register,
1225 #endif
1226 };
1227 
1228 static const struct video_device cx8800_vbi_template = {
1229 	.name                 = "cx8800-vbi",
1230 	.fops                 = &video_fops,
1231 	.ioctl_ops	      = &vbi_ioctl_ops,
1232 	.tvnorms              = CX88_NORMS,
1233 };
1234 
1235 static const struct v4l2_file_operations radio_fops =
1236 {
1237 	.owner         = THIS_MODULE,
1238 	.open          = radio_open,
1239 	.poll          = v4l2_ctrl_poll,
1240 	.release       = v4l2_fh_release,
1241 	.unlocked_ioctl = video_ioctl2,
1242 };
1243 
1244 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1245 	.vidioc_querycap      = vidioc_querycap,
1246 	.vidioc_g_tuner       = radio_g_tuner,
1247 	.vidioc_s_tuner       = radio_s_tuner,
1248 	.vidioc_g_frequency   = vidioc_g_frequency,
1249 	.vidioc_s_frequency   = vidioc_s_frequency,
1250 	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1251 	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1252 #ifdef CONFIG_VIDEO_ADV_DEBUG
1253 	.vidioc_g_register    = vidioc_g_register,
1254 	.vidioc_s_register    = vidioc_s_register,
1255 #endif
1256 };
1257 
1258 static const struct video_device cx8800_radio_template = {
1259 	.name                 = "cx8800-radio",
1260 	.fops                 = &radio_fops,
1261 	.ioctl_ops 	      = &radio_ioctl_ops,
1262 };
1263 
1264 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1265 	.s_ctrl = cx8800_s_vid_ctrl,
1266 };
1267 
1268 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1269 	.s_ctrl = cx8800_s_aud_ctrl,
1270 };
1271 
1272 /* ----------------------------------------------------------- */
1273 
1274 static void cx8800_unregister_video(struct cx8800_dev *dev)
1275 {
1276 	video_unregister_device(&dev->radio_dev);
1277 	video_unregister_device(&dev->vbi_dev);
1278 	video_unregister_device(&dev->video_dev);
1279 }
1280 
1281 static int cx8800_initdev(struct pci_dev *pci_dev,
1282 			  const struct pci_device_id *pci_id)
1283 {
1284 	struct cx8800_dev *dev;
1285 	struct cx88_core *core;
1286 	struct vb2_queue *q;
1287 	int err;
1288 	int i;
1289 
1290 	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1291 	if (NULL == dev)
1292 		return -ENOMEM;
1293 
1294 	/* pci init */
1295 	dev->pci = pci_dev;
1296 	if (pci_enable_device(pci_dev)) {
1297 		err = -EIO;
1298 		goto fail_free;
1299 	}
1300 	core = cx88_core_get(dev->pci);
1301 	if (NULL == core) {
1302 		err = -EINVAL;
1303 		goto fail_free;
1304 	}
1305 	dev->core = core;
1306 
1307 	/* print pci info */
1308 	dev->pci_rev = pci_dev->revision;
1309 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1310 	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1311 	       "latency: %d, mmio: 0x%llx\n", core->name,
1312 	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1313 	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1314 
1315 	pci_set_master(pci_dev);
1316 	err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32));
1317 	if (err) {
1318 		printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1319 		goto fail_core;
1320 	}
1321 
1322 	/* initialize driver struct */
1323 	spin_lock_init(&dev->slock);
1324 
1325 	/* init video dma queues */
1326 	INIT_LIST_HEAD(&dev->vidq.active);
1327 
1328 	/* init vbi dma queues */
1329 	INIT_LIST_HEAD(&dev->vbiq.active);
1330 
1331 	/* get irq */
1332 	err = request_irq(pci_dev->irq, cx8800_irq,
1333 			  IRQF_SHARED, core->name, dev);
1334 	if (err < 0) {
1335 		printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1336 		       core->name,pci_dev->irq);
1337 		goto fail_core;
1338 	}
1339 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1340 
1341 	for (i = 0; i < CX8800_AUD_CTLS; i++) {
1342 		const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1343 		struct v4l2_ctrl *vc;
1344 
1345 		vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1346 			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1347 		if (vc == NULL) {
1348 			err = core->audio_hdl.error;
1349 			goto fail_core;
1350 		}
1351 		vc->priv = (void *)cc;
1352 	}
1353 
1354 	for (i = 0; i < CX8800_VID_CTLS; i++) {
1355 		const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1356 		struct v4l2_ctrl *vc;
1357 
1358 		vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1359 			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1360 		if (vc == NULL) {
1361 			err = core->video_hdl.error;
1362 			goto fail_core;
1363 		}
1364 		vc->priv = (void *)cc;
1365 		if (vc->id == V4L2_CID_CHROMA_AGC)
1366 			core->chroma_agc = vc;
1367 	}
1368 	v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1369 
1370 	/* load and configure helper modules */
1371 
1372 	if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1373 		struct i2c_board_info wm8775_info = {
1374 			.type = "wm8775",
1375 			.addr = 0x36 >> 1,
1376 			.platform_data = &core->wm8775_data,
1377 		};
1378 		struct v4l2_subdev *sd;
1379 
1380 		if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1381 			core->wm8775_data.is_nova_s = true;
1382 		else
1383 			core->wm8775_data.is_nova_s = false;
1384 
1385 		sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1386 				&wm8775_info, NULL);
1387 		if (sd != NULL) {
1388 			core->sd_wm8775 = sd;
1389 			sd->grp_id = WM8775_GID;
1390 		}
1391 	}
1392 
1393 	if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1394 		/* This probes for a tda9874 as is used on some
1395 		   Pixelview Ultra boards. */
1396 		v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1397 				"tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1398 	}
1399 
1400 	switch (core->boardnr) {
1401 	case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1402 	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1403 		static const struct i2c_board_info rtc_info = {
1404 			I2C_BOARD_INFO("isl1208", 0x6f)
1405 		};
1406 
1407 		request_module("rtc-isl1208");
1408 		core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1409 	}
1410 		/* break intentionally omitted */
1411 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1412 		request_module("ir-kbd-i2c");
1413 	}
1414 
1415 	/* Sets device info at pci_dev */
1416 	pci_set_drvdata(pci_dev, dev);
1417 
1418 	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1419 
1420 	/* Maintain a reference so cx88-blackbird can query the 8800 device. */
1421 	core->v4ldev = dev;
1422 
1423 	/* initial device configuration */
1424 	mutex_lock(&core->lock);
1425 	cx88_set_tvnorm(core, core->tvnorm);
1426 	v4l2_ctrl_handler_setup(&core->video_hdl);
1427 	v4l2_ctrl_handler_setup(&core->audio_hdl);
1428 	cx88_video_mux(core, 0);
1429 
1430 	q = &dev->vb2_vidq;
1431 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1432 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1433 	q->gfp_flags = GFP_DMA32;
1434 	q->min_buffers_needed = 2;
1435 	q->drv_priv = dev;
1436 	q->buf_struct_size = sizeof(struct cx88_buffer);
1437 	q->ops = &cx8800_video_qops;
1438 	q->mem_ops = &vb2_dma_sg_memops;
1439 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1440 	q->lock = &core->lock;
1441 	q->dev = &dev->pci->dev;
1442 
1443 	err = vb2_queue_init(q);
1444 	if (err < 0)
1445 		goto fail_unreg;
1446 
1447 	q = &dev->vb2_vbiq;
1448 	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1449 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1450 	q->gfp_flags = GFP_DMA32;
1451 	q->min_buffers_needed = 2;
1452 	q->drv_priv = dev;
1453 	q->buf_struct_size = sizeof(struct cx88_buffer);
1454 	q->ops = &cx8800_vbi_qops;
1455 	q->mem_ops = &vb2_dma_sg_memops;
1456 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1457 	q->lock = &core->lock;
1458 	q->dev = &dev->pci->dev;
1459 
1460 	err = vb2_queue_init(q);
1461 	if (err < 0)
1462 		goto fail_unreg;
1463 
1464 	/* register v4l devices */
1465 	cx88_vdev_init(core, dev->pci, &dev->video_dev,
1466 		       &cx8800_video_template, "video");
1467 	video_set_drvdata(&dev->video_dev, dev);
1468 	dev->video_dev.ctrl_handler = &core->video_hdl;
1469 	dev->video_dev.queue = &dev->vb2_vidq;
1470 	err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1471 				    video_nr[core->nr]);
1472 	if (err < 0) {
1473 		printk(KERN_ERR "%s/0: can't register video device\n",
1474 		       core->name);
1475 		goto fail_unreg;
1476 	}
1477 	printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1478 	       core->name, video_device_node_name(&dev->video_dev));
1479 
1480 	cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1481 		       &cx8800_vbi_template, "vbi");
1482 	video_set_drvdata(&dev->vbi_dev, dev);
1483 	dev->vbi_dev.queue = &dev->vb2_vbiq;
1484 	err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1485 				    vbi_nr[core->nr]);
1486 	if (err < 0) {
1487 		printk(KERN_ERR "%s/0: can't register vbi device\n",
1488 		       core->name);
1489 		goto fail_unreg;
1490 	}
1491 	printk(KERN_INFO "%s/0: registered device %s\n",
1492 	       core->name, video_device_node_name(&dev->vbi_dev));
1493 
1494 	if (core->board.radio.type == CX88_RADIO) {
1495 		cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1496 			       &cx8800_radio_template, "radio");
1497 		video_set_drvdata(&dev->radio_dev, dev);
1498 		dev->radio_dev.ctrl_handler = &core->audio_hdl;
1499 		err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1500 					    radio_nr[core->nr]);
1501 		if (err < 0) {
1502 			printk(KERN_ERR "%s/0: can't register radio device\n",
1503 			       core->name);
1504 			goto fail_unreg;
1505 		}
1506 		printk(KERN_INFO "%s/0: registered device %s\n",
1507 		       core->name, video_device_node_name(&dev->radio_dev));
1508 	}
1509 
1510 	/* start tvaudio thread */
1511 	if (core->board.tuner_type != UNSET) {
1512 		core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1513 		if (IS_ERR(core->kthread)) {
1514 			err = PTR_ERR(core->kthread);
1515 			printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1516 			       core->name, err);
1517 		}
1518 	}
1519 	mutex_unlock(&core->lock);
1520 
1521 	return 0;
1522 
1523 fail_unreg:
1524 	cx8800_unregister_video(dev);
1525 	free_irq(pci_dev->irq, dev);
1526 	mutex_unlock(&core->lock);
1527 fail_core:
1528 	core->v4ldev = NULL;
1529 	cx88_core_put(core,dev->pci);
1530 fail_free:
1531 	kfree(dev);
1532 	return err;
1533 }
1534 
1535 static void cx8800_finidev(struct pci_dev *pci_dev)
1536 {
1537 	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1538 	struct cx88_core *core = dev->core;
1539 
1540 	/* stop thread */
1541 	if (core->kthread) {
1542 		kthread_stop(core->kthread);
1543 		core->kthread = NULL;
1544 	}
1545 
1546 	if (core->ir)
1547 		cx88_ir_stop(core);
1548 
1549 	cx88_shutdown(core); /* FIXME */
1550 
1551 	/* unregister stuff */
1552 
1553 	free_irq(pci_dev->irq, dev);
1554 	cx8800_unregister_video(dev);
1555 	pci_disable_device(pci_dev);
1556 
1557 	core->v4ldev = NULL;
1558 
1559 	/* free memory */
1560 	cx88_core_put(core,dev->pci);
1561 	kfree(dev);
1562 }
1563 
1564 #ifdef CONFIG_PM
1565 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1566 {
1567 	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1568 	struct cx88_core *core = dev->core;
1569 	unsigned long flags;
1570 
1571 	/* stop video+vbi capture */
1572 	spin_lock_irqsave(&dev->slock, flags);
1573 	if (!list_empty(&dev->vidq.active)) {
1574 		printk("%s/0: suspend video\n", core->name);
1575 		stop_video_dma(dev);
1576 	}
1577 	if (!list_empty(&dev->vbiq.active)) {
1578 		printk("%s/0: suspend vbi\n", core->name);
1579 		cx8800_stop_vbi_dma(dev);
1580 	}
1581 	spin_unlock_irqrestore(&dev->slock, flags);
1582 
1583 	if (core->ir)
1584 		cx88_ir_stop(core);
1585 	/* FIXME -- shutdown device */
1586 	cx88_shutdown(core);
1587 
1588 	pci_save_state(pci_dev);
1589 	if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1590 		pci_disable_device(pci_dev);
1591 		dev->state.disabled = 1;
1592 	}
1593 	return 0;
1594 }
1595 
1596 static int cx8800_resume(struct pci_dev *pci_dev)
1597 {
1598 	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1599 	struct cx88_core *core = dev->core;
1600 	unsigned long flags;
1601 	int err;
1602 
1603 	if (dev->state.disabled) {
1604 		err=pci_enable_device(pci_dev);
1605 		if (err) {
1606 			printk(KERN_ERR "%s/0: can't enable device\n",
1607 			       core->name);
1608 			return err;
1609 		}
1610 
1611 		dev->state.disabled = 0;
1612 	}
1613 	err= pci_set_power_state(pci_dev, PCI_D0);
1614 	if (err) {
1615 		printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1616 		pci_disable_device(pci_dev);
1617 		dev->state.disabled = 1;
1618 
1619 		return err;
1620 	}
1621 	pci_restore_state(pci_dev);
1622 
1623 	/* FIXME: re-initialize hardware */
1624 	cx88_reset(core);
1625 	if (core->ir)
1626 		cx88_ir_start(core);
1627 
1628 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1629 
1630 	/* restart video+vbi capture */
1631 	spin_lock_irqsave(&dev->slock, flags);
1632 	if (!list_empty(&dev->vidq.active)) {
1633 		printk("%s/0: resume video\n", core->name);
1634 		restart_video_queue(dev,&dev->vidq);
1635 	}
1636 	if (!list_empty(&dev->vbiq.active)) {
1637 		printk("%s/0: resume vbi\n", core->name);
1638 		cx8800_restart_vbi_queue(dev,&dev->vbiq);
1639 	}
1640 	spin_unlock_irqrestore(&dev->slock, flags);
1641 
1642 	return 0;
1643 }
1644 #endif
1645 
1646 /* ----------------------------------------------------------- */
1647 
1648 static const struct pci_device_id cx8800_pci_tbl[] = {
1649 	{
1650 		.vendor       = 0x14f1,
1651 		.device       = 0x8800,
1652 		.subvendor    = PCI_ANY_ID,
1653 		.subdevice    = PCI_ANY_ID,
1654 	},{
1655 		/* --- end of list --- */
1656 	}
1657 };
1658 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1659 
1660 static struct pci_driver cx8800_pci_driver = {
1661 	.name     = "cx8800",
1662 	.id_table = cx8800_pci_tbl,
1663 	.probe    = cx8800_initdev,
1664 	.remove   = cx8800_finidev,
1665 #ifdef CONFIG_PM
1666 	.suspend  = cx8800_suspend,
1667 	.resume   = cx8800_resume,
1668 #endif
1669 };
1670 
1671 module_pci_driver(cx8800_pci_driver);
1672