1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *
4  * device driver for Conexant 2388x based TV cards
5  * video4linux video interface
6  *
7  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8  *
9  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
10  *	- Multituner support
11  *	- video_ioctl2 conversion
12  *	- PAL/M fixes
13  */
14 
15 #include "cx88.h"
16 
17 #include <linux/init.h>
18 #include <linux/list.h>
19 #include <linux/module.h>
20 #include <linux/kmod.h>
21 #include <linux/kernel.h>
22 #include <linux/slab.h>
23 #include <linux/interrupt.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/delay.h>
26 #include <linux/kthread.h>
27 #include <asm/div64.h>
28 
29 #include <media/v4l2-common.h>
30 #include <media/v4l2-ioctl.h>
31 #include <media/v4l2-event.h>
32 #include <media/i2c/wm8775.h>
33 
34 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
35 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
36 MODULE_LICENSE("GPL v2");
37 MODULE_VERSION(CX88_VERSION);
38 
39 /* ------------------------------------------------------------------ */
40 
41 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
42 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
43 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
44 
45 module_param_array(video_nr, int, NULL, 0444);
46 module_param_array(vbi_nr,   int, NULL, 0444);
47 module_param_array(radio_nr, int, NULL, 0444);
48 
49 MODULE_PARM_DESC(video_nr, "video device numbers");
50 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
51 MODULE_PARM_DESC(radio_nr, "radio device numbers");
52 
53 static unsigned int video_debug;
54 module_param(video_debug, int, 0644);
55 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
56 
57 static unsigned int irq_debug;
58 module_param(irq_debug, int, 0644);
59 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
60 
61 #define dprintk(level, fmt, arg...) do {			\
62 	if (video_debug >= level)				\
63 		printk(KERN_DEBUG pr_fmt("%s: video:" fmt),	\
64 			__func__, ##arg);			\
65 } while (0)
66 
67 /* ------------------------------------------------------------------- */
68 /* static data                                                         */
69 
70 static const struct cx8800_fmt formats[] = {
71 	{
72 		.fourcc   = V4L2_PIX_FMT_GREY,
73 		.cxformat = ColorFormatY8,
74 		.depth    = 8,
75 		.flags    = FORMAT_FLAGS_PACKED,
76 	}, {
77 		.fourcc   = V4L2_PIX_FMT_RGB555,
78 		.cxformat = ColorFormatRGB15,
79 		.depth    = 16,
80 		.flags    = FORMAT_FLAGS_PACKED,
81 	}, {
82 		.fourcc   = V4L2_PIX_FMT_RGB555X,
83 		.cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
84 		.depth    = 16,
85 		.flags    = FORMAT_FLAGS_PACKED,
86 	}, {
87 		.fourcc   = V4L2_PIX_FMT_RGB565,
88 		.cxformat = ColorFormatRGB16,
89 		.depth    = 16,
90 		.flags    = FORMAT_FLAGS_PACKED,
91 	}, {
92 		.fourcc   = V4L2_PIX_FMT_RGB565X,
93 		.cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
94 		.depth    = 16,
95 		.flags    = FORMAT_FLAGS_PACKED,
96 	}, {
97 		.fourcc   = V4L2_PIX_FMT_BGR24,
98 		.cxformat = ColorFormatRGB24,
99 		.depth    = 24,
100 		.flags    = FORMAT_FLAGS_PACKED,
101 	}, {
102 		.fourcc   = V4L2_PIX_FMT_BGR32,
103 		.cxformat = ColorFormatRGB32,
104 		.depth    = 32,
105 		.flags    = FORMAT_FLAGS_PACKED,
106 	}, {
107 		.fourcc   = V4L2_PIX_FMT_RGB32,
108 		.cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
109 			    ColorFormatWSWAP,
110 		.depth    = 32,
111 		.flags    = FORMAT_FLAGS_PACKED,
112 	}, {
113 		.fourcc   = V4L2_PIX_FMT_YUYV,
114 		.cxformat = ColorFormatYUY2,
115 		.depth    = 16,
116 		.flags    = FORMAT_FLAGS_PACKED,
117 	}, {
118 		.fourcc   = V4L2_PIX_FMT_UYVY,
119 		.cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
120 		.depth    = 16,
121 		.flags    = FORMAT_FLAGS_PACKED,
122 	},
123 };
124 
125 static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
126 {
127 	unsigned int i;
128 
129 	for (i = 0; i < ARRAY_SIZE(formats); i++)
130 		if (formats[i].fourcc == fourcc)
131 			return formats + i;
132 	return NULL;
133 }
134 
135 /* ------------------------------------------------------------------- */
136 
137 struct cx88_ctrl {
138 	/* control information */
139 	u32 id;
140 	s32 minimum;
141 	s32 maximum;
142 	u32 step;
143 	s32 default_value;
144 
145 	/* control register information */
146 	u32 off;
147 	u32 reg;
148 	u32 sreg;
149 	u32 mask;
150 	u32 shift;
151 };
152 
153 static const struct cx88_ctrl cx8800_vid_ctls[] = {
154 	/* --- video --- */
155 	{
156 		.id            = V4L2_CID_BRIGHTNESS,
157 		.minimum       = 0x00,
158 		.maximum       = 0xff,
159 		.step          = 1,
160 		.default_value = 0x7f,
161 		.off           = 128,
162 		.reg           = MO_CONTR_BRIGHT,
163 		.mask          = 0x00ff,
164 		.shift         = 0,
165 	}, {
166 		.id            = V4L2_CID_CONTRAST,
167 		.minimum       = 0,
168 		.maximum       = 0xff,
169 		.step          = 1,
170 		.default_value = 0x3f,
171 		.off           = 0,
172 		.reg           = MO_CONTR_BRIGHT,
173 		.mask          = 0xff00,
174 		.shift         = 8,
175 	}, {
176 		.id            = V4L2_CID_HUE,
177 		.minimum       = 0,
178 		.maximum       = 0xff,
179 		.step          = 1,
180 		.default_value = 0x7f,
181 		.off           = 128,
182 		.reg           = MO_HUE,
183 		.mask          = 0x00ff,
184 		.shift         = 0,
185 	}, {
186 		/* strictly, this only describes only U saturation.
187 		 * V saturation is handled specially through code.
188 		 */
189 		.id            = V4L2_CID_SATURATION,
190 		.minimum       = 0,
191 		.maximum       = 0xff,
192 		.step          = 1,
193 		.default_value = 0x7f,
194 		.off           = 0,
195 		.reg           = MO_UV_SATURATION,
196 		.mask          = 0x00ff,
197 		.shift         = 0,
198 	}, {
199 		.id            = V4L2_CID_SHARPNESS,
200 		.minimum       = 0,
201 		.maximum       = 4,
202 		.step          = 1,
203 		.default_value = 0x0,
204 		.off           = 0,
205 		/*
206 		 * NOTE: the value is converted and written to both even
207 		 * and odd registers in the code
208 		 */
209 		.reg           = MO_FILTER_ODD,
210 		.mask          = 7 << 7,
211 		.shift         = 7,
212 	}, {
213 		.id            = V4L2_CID_CHROMA_AGC,
214 		.minimum       = 0,
215 		.maximum       = 1,
216 		.default_value = 0x1,
217 		.reg           = MO_INPUT_FORMAT,
218 		.mask          = 1 << 10,
219 		.shift         = 10,
220 	}, {
221 		.id            = V4L2_CID_COLOR_KILLER,
222 		.minimum       = 0,
223 		.maximum       = 1,
224 		.default_value = 0x1,
225 		.reg           = MO_INPUT_FORMAT,
226 		.mask          = 1 << 9,
227 		.shift         = 9,
228 	}, {
229 		.id            = V4L2_CID_BAND_STOP_FILTER,
230 		.minimum       = 0,
231 		.maximum       = 1,
232 		.step          = 1,
233 		.default_value = 0x0,
234 		.off           = 0,
235 		.reg           = MO_HTOTAL,
236 		.mask          = 3 << 11,
237 		.shift         = 11,
238 	}
239 };
240 
241 static const struct cx88_ctrl cx8800_aud_ctls[] = {
242 	{
243 		/* --- audio --- */
244 		.id            = V4L2_CID_AUDIO_MUTE,
245 		.minimum       = 0,
246 		.maximum       = 1,
247 		.default_value = 1,
248 		.reg           = AUD_VOL_CTL,
249 		.sreg          = SHADOW_AUD_VOL_CTL,
250 		.mask          = (1 << 6),
251 		.shift         = 6,
252 	}, {
253 		.id            = V4L2_CID_AUDIO_VOLUME,
254 		.minimum       = 0,
255 		.maximum       = 0x3f,
256 		.step          = 1,
257 		.default_value = 0x3f,
258 		.reg           = AUD_VOL_CTL,
259 		.sreg          = SHADOW_AUD_VOL_CTL,
260 		.mask          = 0x3f,
261 		.shift         = 0,
262 	}, {
263 		.id            = V4L2_CID_AUDIO_BALANCE,
264 		.minimum       = 0,
265 		.maximum       = 0x7f,
266 		.step          = 1,
267 		.default_value = 0x40,
268 		.reg           = AUD_BAL_CTL,
269 		.sreg          = SHADOW_AUD_BAL_CTL,
270 		.mask          = 0x7f,
271 		.shift         = 0,
272 	}
273 };
274 
275 enum {
276 	CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
277 	CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
278 };
279 
280 /* ------------------------------------------------------------------ */
281 
282 int cx88_video_mux(struct cx88_core *core, unsigned int input)
283 {
284 	/* struct cx88_core *core = dev->core; */
285 
286 	dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
287 		input, INPUT(input).vmux,
288 		INPUT(input).gpio0, INPUT(input).gpio1,
289 		INPUT(input).gpio2, INPUT(input).gpio3);
290 	core->input = input;
291 	cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
292 	cx_write(MO_GP3_IO, INPUT(input).gpio3);
293 	cx_write(MO_GP0_IO, INPUT(input).gpio0);
294 	cx_write(MO_GP1_IO, INPUT(input).gpio1);
295 	cx_write(MO_GP2_IO, INPUT(input).gpio2);
296 
297 	switch (INPUT(input).type) {
298 	case CX88_VMUX_SVIDEO:
299 		cx_set(MO_AFECFG_IO,    0x00000001);
300 		cx_set(MO_INPUT_FORMAT, 0x00010010);
301 		cx_set(MO_FILTER_EVEN,  0x00002020);
302 		cx_set(MO_FILTER_ODD,   0x00002020);
303 		break;
304 	default:
305 		cx_clear(MO_AFECFG_IO,    0x00000001);
306 		cx_clear(MO_INPUT_FORMAT, 0x00010010);
307 		cx_clear(MO_FILTER_EVEN,  0x00002020);
308 		cx_clear(MO_FILTER_ODD,   0x00002020);
309 		break;
310 	}
311 
312 	/*
313 	 * if there are audioroutes defined, we have an external
314 	 * ADC to deal with audio
315 	 */
316 	if (INPUT(input).audioroute) {
317 		/*
318 		 * The wm8775 module has the "2" route hardwired into
319 		 * the initialization. Some boards may use different
320 		 * routes for different inputs. HVR-1300 surely does
321 		 */
322 		if (core->sd_wm8775) {
323 			call_all(core, audio, s_routing,
324 				 INPUT(input).audioroute, 0, 0);
325 		}
326 		/*
327 		 * cx2388's C-ADC is connected to the tuner only.
328 		 * When used with S-Video, that ADC is busy dealing with
329 		 * chroma, so an external must be used for baseband audio
330 		 */
331 		if (INPUT(input).type != CX88_VMUX_TELEVISION &&
332 		    INPUT(input).type != CX88_VMUX_CABLE) {
333 			/* "I2S ADC mode" */
334 			core->tvaudio = WW_I2SADC;
335 			cx88_set_tvaudio(core);
336 		} else {
337 			/* Normal mode */
338 			cx_write(AUD_I2SCNTL, 0x0);
339 			cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
340 		}
341 	}
342 
343 	return 0;
344 }
345 EXPORT_SYMBOL(cx88_video_mux);
346 
347 /* ------------------------------------------------------------------ */
348 
349 static int start_video_dma(struct cx8800_dev    *dev,
350 			   struct cx88_dmaqueue *q,
351 			   struct cx88_buffer   *buf)
352 {
353 	struct cx88_core *core = dev->core;
354 
355 	/* setup fifo + format */
356 	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
357 				buf->bpl, buf->risc.dma);
358 	cx88_set_scale(core, core->width, core->height, core->field);
359 	cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
360 
361 	/* reset counter */
362 	cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
363 	q->count = 0;
364 
365 	/* enable irqs */
366 	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
367 
368 	/*
369 	 * Enables corresponding bits at PCI_INT_STAT:
370 	 *	bits 0 to 4: video, audio, transport stream, VIP, Host
371 	 *	bit 7: timer
372 	 *	bits 8 and 9: DMA complete for: SRC, DST
373 	 *	bits 10 and 11: BERR signal asserted for RISC: RD, WR
374 	 *	bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
375 	 */
376 	cx_set(MO_VID_INTMSK, 0x0f0011);
377 
378 	/* enable capture */
379 	cx_set(VID_CAPTURE_CONTROL, 0x06);
380 
381 	/* start dma */
382 	cx_set(MO_DEV_CNTRL2, (1 << 5));
383 	cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
384 
385 	return 0;
386 }
387 
388 static int __maybe_unused stop_video_dma(struct cx8800_dev    *dev)
389 {
390 	struct cx88_core *core = dev->core;
391 
392 	/* stop dma */
393 	cx_clear(MO_VID_DMACNTRL, 0x11);
394 
395 	/* disable capture */
396 	cx_clear(VID_CAPTURE_CONTROL, 0x06);
397 
398 	/* disable irqs */
399 	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
400 	cx_clear(MO_VID_INTMSK, 0x0f0011);
401 	return 0;
402 }
403 
404 static int __maybe_unused restart_video_queue(struct cx8800_dev *dev,
405 					      struct cx88_dmaqueue *q)
406 {
407 	struct cx88_buffer *buf;
408 
409 	if (!list_empty(&q->active)) {
410 		buf = list_entry(q->active.next, struct cx88_buffer, list);
411 		dprintk(2, "restart_queue [%p/%d]: restart dma\n",
412 			buf, buf->vb.vb2_buf.index);
413 		start_video_dma(dev, q, buf);
414 	}
415 	return 0;
416 }
417 
418 /* ------------------------------------------------------------------ */
419 
420 static int queue_setup(struct vb2_queue *q,
421 		       unsigned int *num_buffers, unsigned int *num_planes,
422 		       unsigned int sizes[], struct device *alloc_devs[])
423 {
424 	struct cx8800_dev *dev = q->drv_priv;
425 	struct cx88_core *core = dev->core;
426 
427 	*num_planes = 1;
428 	sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
429 	return 0;
430 }
431 
432 static int buffer_prepare(struct vb2_buffer *vb)
433 {
434 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
435 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
436 	struct cx88_core *core = dev->core;
437 	struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
438 	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
439 
440 	buf->bpl = core->width * dev->fmt->depth >> 3;
441 
442 	if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
443 		return -EINVAL;
444 	vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
445 
446 	switch (core->field) {
447 	case V4L2_FIELD_TOP:
448 		cx88_risc_buffer(dev->pci, &buf->risc,
449 				 sgt->sgl, 0, UNSET,
450 				 buf->bpl, 0, core->height);
451 		break;
452 	case V4L2_FIELD_BOTTOM:
453 		cx88_risc_buffer(dev->pci, &buf->risc,
454 				 sgt->sgl, UNSET, 0,
455 				 buf->bpl, 0, core->height);
456 		break;
457 	case V4L2_FIELD_SEQ_TB:
458 		cx88_risc_buffer(dev->pci, &buf->risc,
459 				 sgt->sgl,
460 				 0, buf->bpl * (core->height >> 1),
461 				 buf->bpl, 0,
462 				 core->height >> 1);
463 		break;
464 	case V4L2_FIELD_SEQ_BT:
465 		cx88_risc_buffer(dev->pci, &buf->risc,
466 				 sgt->sgl,
467 				 buf->bpl * (core->height >> 1), 0,
468 				 buf->bpl, 0,
469 				 core->height >> 1);
470 		break;
471 	case V4L2_FIELD_INTERLACED:
472 	default:
473 		cx88_risc_buffer(dev->pci, &buf->risc,
474 				 sgt->sgl, 0, buf->bpl,
475 				 buf->bpl, buf->bpl,
476 				 core->height >> 1);
477 		break;
478 	}
479 	dprintk(2,
480 		"[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
481 		buf, buf->vb.vb2_buf.index, __func__,
482 		core->width, core->height, dev->fmt->depth, dev->fmt->fourcc,
483 		(unsigned long)buf->risc.dma);
484 	return 0;
485 }
486 
487 static void buffer_finish(struct vb2_buffer *vb)
488 {
489 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
490 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
491 	struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
492 	struct cx88_riscmem *risc = &buf->risc;
493 
494 	if (risc->cpu)
495 		dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu,
496 				  risc->dma);
497 	memset(risc, 0, sizeof(*risc));
498 }
499 
500 static void buffer_queue(struct vb2_buffer *vb)
501 {
502 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
503 	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
504 	struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
505 	struct cx88_buffer    *prev;
506 	struct cx88_dmaqueue  *q    = &dev->vidq;
507 
508 	/* add jump to start */
509 	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
510 	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
511 	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
512 
513 	if (list_empty(&q->active)) {
514 		list_add_tail(&buf->list, &q->active);
515 		dprintk(2, "[%p/%d] buffer_queue - first active\n",
516 			buf, buf->vb.vb2_buf.index);
517 
518 	} else {
519 		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
520 		prev = list_entry(q->active.prev, struct cx88_buffer, list);
521 		list_add_tail(&buf->list, &q->active);
522 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
523 		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
524 			buf, buf->vb.vb2_buf.index);
525 	}
526 }
527 
528 static int start_streaming(struct vb2_queue *q, unsigned int count)
529 {
530 	struct cx8800_dev *dev = q->drv_priv;
531 	struct cx88_dmaqueue *dmaq = &dev->vidq;
532 	struct cx88_buffer *buf = list_entry(dmaq->active.next,
533 			struct cx88_buffer, list);
534 
535 	start_video_dma(dev, dmaq, buf);
536 	return 0;
537 }
538 
539 static void stop_streaming(struct vb2_queue *q)
540 {
541 	struct cx8800_dev *dev = q->drv_priv;
542 	struct cx88_core *core = dev->core;
543 	struct cx88_dmaqueue *dmaq = &dev->vidq;
544 	unsigned long flags;
545 
546 	cx_clear(MO_VID_DMACNTRL, 0x11);
547 	cx_clear(VID_CAPTURE_CONTROL, 0x06);
548 	spin_lock_irqsave(&dev->slock, flags);
549 	while (!list_empty(&dmaq->active)) {
550 		struct cx88_buffer *buf = list_entry(dmaq->active.next,
551 			struct cx88_buffer, list);
552 
553 		list_del(&buf->list);
554 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
555 	}
556 	spin_unlock_irqrestore(&dev->slock, flags);
557 }
558 
559 static const struct vb2_ops cx8800_video_qops = {
560 	.queue_setup    = queue_setup,
561 	.buf_prepare  = buffer_prepare,
562 	.buf_finish = buffer_finish,
563 	.buf_queue    = buffer_queue,
564 	.wait_prepare = vb2_ops_wait_prepare,
565 	.wait_finish = vb2_ops_wait_finish,
566 	.start_streaming = start_streaming,
567 	.stop_streaming = stop_streaming,
568 };
569 
570 /* ------------------------------------------------------------------ */
571 
572 static int radio_open(struct file *file)
573 {
574 	struct cx8800_dev *dev = video_drvdata(file);
575 	struct cx88_core *core = dev->core;
576 	int ret = v4l2_fh_open(file);
577 
578 	if (ret)
579 		return ret;
580 
581 	cx_write(MO_GP3_IO, core->board.radio.gpio3);
582 	cx_write(MO_GP0_IO, core->board.radio.gpio0);
583 	cx_write(MO_GP1_IO, core->board.radio.gpio1);
584 	cx_write(MO_GP2_IO, core->board.radio.gpio2);
585 	if (core->board.radio.audioroute) {
586 		if (core->sd_wm8775) {
587 			call_all(core, audio, s_routing,
588 				 core->board.radio.audioroute, 0, 0);
589 		}
590 		/* "I2S ADC mode" */
591 		core->tvaudio = WW_I2SADC;
592 		cx88_set_tvaudio(core);
593 	} else {
594 		/* FM Mode */
595 		core->tvaudio = WW_FM;
596 		cx88_set_tvaudio(core);
597 		cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
598 	}
599 	call_all(core, tuner, s_radio);
600 	return 0;
601 }
602 
603 /* ------------------------------------------------------------------ */
604 /* VIDEO CTRL IOCTLS                                                  */
605 
606 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
607 {
608 	struct cx88_core *core =
609 		container_of(ctrl->handler, struct cx88_core, video_hdl);
610 	const struct cx88_ctrl *cc = ctrl->priv;
611 	u32 value, mask;
612 
613 	mask = cc->mask;
614 	switch (ctrl->id) {
615 	case V4L2_CID_SATURATION:
616 		/* special v_sat handling */
617 
618 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
619 
620 		if (core->tvnorm & V4L2_STD_SECAM) {
621 			/* For SECAM, both U and V sat should be equal */
622 			value = value << 8 | value;
623 		} else {
624 			/* Keeps U Saturation proportional to V Sat */
625 			value = (value * 0x5a) / 0x7f << 8 | value;
626 		}
627 		mask = 0xffff;
628 		break;
629 	case V4L2_CID_SHARPNESS:
630 		/* 0b000, 0b100, 0b101, 0b110, or 0b111 */
631 		value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
632 		/* needs to be set for both fields */
633 		cx_andor(MO_FILTER_EVEN, mask, value);
634 		break;
635 	case V4L2_CID_CHROMA_AGC:
636 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
637 		break;
638 	default:
639 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
640 		break;
641 	}
642 	dprintk(1,
643 		"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
644 		ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
645 		mask, cc->sreg ? " [shadowed]" : "");
646 	if (cc->sreg)
647 		cx_sandor(cc->sreg, cc->reg, mask, value);
648 	else
649 		cx_andor(cc->reg, mask, value);
650 	return 0;
651 }
652 
653 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
654 {
655 	struct cx88_core *core =
656 		container_of(ctrl->handler, struct cx88_core, audio_hdl);
657 	const struct cx88_ctrl *cc = ctrl->priv;
658 	u32 value, mask;
659 
660 	/* Pass changes onto any WM8775 */
661 	if (core->sd_wm8775) {
662 		switch (ctrl->id) {
663 		case V4L2_CID_AUDIO_MUTE:
664 			wm8775_s_ctrl(core, ctrl->id, ctrl->val);
665 			break;
666 		case V4L2_CID_AUDIO_VOLUME:
667 			wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
668 						(0x90 + ctrl->val) << 8 : 0);
669 			break;
670 		case V4L2_CID_AUDIO_BALANCE:
671 			wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
672 			break;
673 		default:
674 			break;
675 		}
676 	}
677 
678 	mask = cc->mask;
679 	switch (ctrl->id) {
680 	case V4L2_CID_AUDIO_BALANCE:
681 		value = (ctrl->val < 0x40) ?
682 			(0x7f - ctrl->val) : (ctrl->val - 0x40);
683 		break;
684 	case V4L2_CID_AUDIO_VOLUME:
685 		value = 0x3f - (ctrl->val & 0x3f);
686 		break;
687 	default:
688 		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
689 		break;
690 	}
691 	dprintk(1,
692 		"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
693 		ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
694 		mask, cc->sreg ? " [shadowed]" : "");
695 	if (cc->sreg)
696 		cx_sandor(cc->sreg, cc->reg, mask, value);
697 	else
698 		cx_andor(cc->reg, mask, value);
699 	return 0;
700 }
701 
702 /* ------------------------------------------------------------------ */
703 /* VIDEO IOCTLS                                                       */
704 
705 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
706 				struct v4l2_format *f)
707 {
708 	struct cx8800_dev *dev = video_drvdata(file);
709 	struct cx88_core *core = dev->core;
710 
711 	f->fmt.pix.width        = core->width;
712 	f->fmt.pix.height       = core->height;
713 	f->fmt.pix.field        = core->field;
714 	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
715 	f->fmt.pix.bytesperline =
716 		(f->fmt.pix.width * dev->fmt->depth) >> 3;
717 	f->fmt.pix.sizeimage =
718 		f->fmt.pix.height * f->fmt.pix.bytesperline;
719 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
720 	return 0;
721 }
722 
723 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
724 				  struct v4l2_format *f)
725 {
726 	struct cx8800_dev *dev = video_drvdata(file);
727 	struct cx88_core *core = dev->core;
728 	const struct cx8800_fmt *fmt;
729 	enum v4l2_field   field;
730 	unsigned int      maxw, maxh;
731 
732 	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
733 	if (!fmt)
734 		return -EINVAL;
735 
736 	maxw = norm_maxw(core->tvnorm);
737 	maxh = norm_maxh(core->tvnorm);
738 
739 	field = f->fmt.pix.field;
740 
741 	switch (field) {
742 	case V4L2_FIELD_TOP:
743 	case V4L2_FIELD_BOTTOM:
744 	case V4L2_FIELD_INTERLACED:
745 	case V4L2_FIELD_SEQ_BT:
746 	case V4L2_FIELD_SEQ_TB:
747 		break;
748 	default:
749 		field = (f->fmt.pix.height > maxh / 2)
750 			? V4L2_FIELD_INTERLACED
751 			: V4L2_FIELD_BOTTOM;
752 		break;
753 	}
754 	if (V4L2_FIELD_HAS_T_OR_B(field))
755 		maxh /= 2;
756 
757 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
758 			      &f->fmt.pix.height, 32, maxh, 0, 0);
759 	f->fmt.pix.field = field;
760 	f->fmt.pix.bytesperline =
761 		(f->fmt.pix.width * fmt->depth) >> 3;
762 	f->fmt.pix.sizeimage =
763 		f->fmt.pix.height * f->fmt.pix.bytesperline;
764 	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
765 
766 	return 0;
767 }
768 
769 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
770 				struct v4l2_format *f)
771 {
772 	struct cx8800_dev *dev = video_drvdata(file);
773 	struct cx88_core *core = dev->core;
774 	int err = vidioc_try_fmt_vid_cap(file, priv, f);
775 
776 	if (err != 0)
777 		return err;
778 	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
779 		return -EBUSY;
780 	if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
781 		return -EBUSY;
782 	dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
783 	core->width = f->fmt.pix.width;
784 	core->height = f->fmt.pix.height;
785 	core->field = f->fmt.pix.field;
786 	return 0;
787 }
788 
789 int cx88_querycap(struct file *file, struct cx88_core *core,
790 		  struct v4l2_capability *cap)
791 {
792 	strscpy(cap->card, core->board.name, sizeof(cap->card));
793 	cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
794 			    V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
795 			    V4L2_CAP_DEVICE_CAPS;
796 	if (core->board.tuner_type != UNSET)
797 		cap->capabilities |= V4L2_CAP_TUNER;
798 	if (core->board.radio.type == CX88_RADIO)
799 		cap->capabilities |= V4L2_CAP_RADIO;
800 	return 0;
801 }
802 EXPORT_SYMBOL(cx88_querycap);
803 
804 static int vidioc_querycap(struct file *file, void  *priv,
805 			   struct v4l2_capability *cap)
806 {
807 	struct cx8800_dev *dev = video_drvdata(file);
808 	struct cx88_core *core = dev->core;
809 
810 	strscpy(cap->driver, "cx8800", sizeof(cap->driver));
811 	return cx88_querycap(file, core, cap);
812 }
813 
814 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
815 				   struct v4l2_fmtdesc *f)
816 {
817 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
818 		return -EINVAL;
819 
820 	f->pixelformat = formats[f->index].fourcc;
821 
822 	return 0;
823 }
824 
825 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
826 {
827 	struct cx8800_dev *dev = video_drvdata(file);
828 	struct cx88_core *core = dev->core;
829 
830 	*tvnorm = core->tvnorm;
831 	return 0;
832 }
833 
834 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
835 {
836 	struct cx8800_dev *dev = video_drvdata(file);
837 	struct cx88_core *core = dev->core;
838 
839 	return cx88_set_tvnorm(core, tvnorms);
840 }
841 
842 /* only one input in this sample driver */
843 int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
844 {
845 	static const char * const iname[] = {
846 		[CX88_VMUX_COMPOSITE1] = "Composite1",
847 		[CX88_VMUX_COMPOSITE2] = "Composite2",
848 		[CX88_VMUX_COMPOSITE3] = "Composite3",
849 		[CX88_VMUX_COMPOSITE4] = "Composite4",
850 		[CX88_VMUX_SVIDEO] = "S-Video",
851 		[CX88_VMUX_TELEVISION] = "Television",
852 		[CX88_VMUX_CABLE] = "Cable TV",
853 		[CX88_VMUX_DVB] = "DVB",
854 		[CX88_VMUX_DEBUG] = "for debug only",
855 	};
856 	unsigned int n = i->index;
857 
858 	if (n >= 4)
859 		return -EINVAL;
860 	if (!INPUT(n).type)
861 		return -EINVAL;
862 	i->type  = V4L2_INPUT_TYPE_CAMERA;
863 	strscpy(i->name, iname[INPUT(n).type], sizeof(i->name));
864 	if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
865 	    (INPUT(n).type == CX88_VMUX_CABLE))
866 		i->type = V4L2_INPUT_TYPE_TUNER;
867 
868 	i->std = CX88_NORMS;
869 	return 0;
870 }
871 EXPORT_SYMBOL(cx88_enum_input);
872 
873 static int vidioc_enum_input(struct file *file, void *priv,
874 			     struct v4l2_input *i)
875 {
876 	struct cx8800_dev *dev = video_drvdata(file);
877 	struct cx88_core *core = dev->core;
878 
879 	return cx88_enum_input(core, i);
880 }
881 
882 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
883 {
884 	struct cx8800_dev *dev = video_drvdata(file);
885 	struct cx88_core *core = dev->core;
886 
887 	*i = core->input;
888 	return 0;
889 }
890 
891 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
892 {
893 	struct cx8800_dev *dev = video_drvdata(file);
894 	struct cx88_core *core = dev->core;
895 
896 	if (i >= 4)
897 		return -EINVAL;
898 	if (!INPUT(i).type)
899 		return -EINVAL;
900 
901 	cx88_newstation(core);
902 	cx88_video_mux(core, i);
903 	return 0;
904 }
905 
906 static int vidioc_g_tuner(struct file *file, void *priv,
907 			  struct v4l2_tuner *t)
908 {
909 	struct cx8800_dev *dev = video_drvdata(file);
910 	struct cx88_core *core = dev->core;
911 	u32 reg;
912 
913 	if (unlikely(core->board.tuner_type == UNSET))
914 		return -EINVAL;
915 	if (t->index != 0)
916 		return -EINVAL;
917 
918 	strscpy(t->name, "Television", sizeof(t->name));
919 	t->capability = V4L2_TUNER_CAP_NORM;
920 	t->rangehigh  = 0xffffffffUL;
921 	call_all(core, tuner, g_tuner, t);
922 
923 	cx88_get_stereo(core, t);
924 	reg = cx_read(MO_DEVICE_STATUS);
925 	t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
926 	return 0;
927 }
928 
929 static int vidioc_s_tuner(struct file *file, void *priv,
930 			  const struct v4l2_tuner *t)
931 {
932 	struct cx8800_dev *dev = video_drvdata(file);
933 	struct cx88_core *core = dev->core;
934 
935 	if (core->board.tuner_type == UNSET)
936 		return -EINVAL;
937 	if (t->index != 0)
938 		return -EINVAL;
939 
940 	cx88_set_stereo(core, t->audmode, 1);
941 	return 0;
942 }
943 
944 static int vidioc_g_frequency(struct file *file, void *priv,
945 			      struct v4l2_frequency *f)
946 {
947 	struct cx8800_dev *dev = video_drvdata(file);
948 	struct cx88_core *core = dev->core;
949 
950 	if (unlikely(core->board.tuner_type == UNSET))
951 		return -EINVAL;
952 	if (f->tuner)
953 		return -EINVAL;
954 
955 	f->frequency = core->freq;
956 
957 	call_all(core, tuner, g_frequency, f);
958 
959 	return 0;
960 }
961 
962 int cx88_set_freq(struct cx88_core  *core,
963 		  const struct v4l2_frequency *f)
964 {
965 	struct v4l2_frequency new_freq = *f;
966 
967 	if (unlikely(core->board.tuner_type == UNSET))
968 		return -EINVAL;
969 	if (unlikely(f->tuner != 0))
970 		return -EINVAL;
971 
972 	cx88_newstation(core);
973 	call_all(core, tuner, s_frequency, f);
974 	call_all(core, tuner, g_frequency, &new_freq);
975 	core->freq = new_freq.frequency;
976 
977 	/* When changing channels it is required to reset TVAUDIO */
978 	usleep_range(10000, 20000);
979 	cx88_set_tvaudio(core);
980 
981 	return 0;
982 }
983 EXPORT_SYMBOL(cx88_set_freq);
984 
985 static int vidioc_s_frequency(struct file *file, void *priv,
986 			      const struct v4l2_frequency *f)
987 {
988 	struct cx8800_dev *dev = video_drvdata(file);
989 	struct cx88_core *core = dev->core;
990 
991 	return cx88_set_freq(core, f);
992 }
993 
994 #ifdef CONFIG_VIDEO_ADV_DEBUG
995 static int vidioc_g_register(struct file *file, void *fh,
996 			     struct v4l2_dbg_register *reg)
997 {
998 	struct cx8800_dev *dev = video_drvdata(file);
999 	struct cx88_core *core = dev->core;
1000 
1001 	/* cx2388x has a 24-bit register space */
1002 	reg->val = cx_read(reg->reg & 0xfffffc);
1003 	reg->size = 4;
1004 	return 0;
1005 }
1006 
1007 static int vidioc_s_register(struct file *file, void *fh,
1008 			     const struct v4l2_dbg_register *reg)
1009 {
1010 	struct cx8800_dev *dev = video_drvdata(file);
1011 	struct cx88_core *core = dev->core;
1012 
1013 	cx_write(reg->reg & 0xfffffc, reg->val);
1014 	return 0;
1015 }
1016 #endif
1017 
1018 /* ----------------------------------------------------------- */
1019 /* RADIO ESPECIFIC IOCTLS                                      */
1020 /* ----------------------------------------------------------- */
1021 
1022 static int radio_g_tuner(struct file *file, void *priv,
1023 			 struct v4l2_tuner *t)
1024 {
1025 	struct cx8800_dev *dev = video_drvdata(file);
1026 	struct cx88_core *core = dev->core;
1027 
1028 	if (unlikely(t->index > 0))
1029 		return -EINVAL;
1030 
1031 	strscpy(t->name, "Radio", sizeof(t->name));
1032 
1033 	call_all(core, tuner, g_tuner, t);
1034 	return 0;
1035 }
1036 
1037 static int radio_s_tuner(struct file *file, void *priv,
1038 			 const struct v4l2_tuner *t)
1039 {
1040 	struct cx8800_dev *dev = video_drvdata(file);
1041 	struct cx88_core *core = dev->core;
1042 
1043 	if (t->index != 0)
1044 		return -EINVAL;
1045 
1046 	call_all(core, tuner, s_tuner, t);
1047 	return 0;
1048 }
1049 
1050 /* ----------------------------------------------------------- */
1051 
1052 static const char *cx88_vid_irqs[32] = {
1053 	"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1054 	"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1055 	"y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1056 	"y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1057 	"opc_err",  "par_err",  "rip_err",  "pci_abort",
1058 };
1059 
1060 static void cx8800_vid_irq(struct cx8800_dev *dev)
1061 {
1062 	struct cx88_core *core = dev->core;
1063 	u32 status, mask, count;
1064 
1065 	status = cx_read(MO_VID_INTSTAT);
1066 	mask   = cx_read(MO_VID_INTMSK);
1067 	if (0 == (status & mask))
1068 		return;
1069 	cx_write(MO_VID_INTSTAT, status);
1070 	if (irq_debug  ||  (status & mask & ~0xff))
1071 		cx88_print_irqbits("irq vid",
1072 				   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1073 				   status, mask);
1074 
1075 	/* risc op code error */
1076 	if (status & (1 << 16)) {
1077 		pr_warn("video risc op code error\n");
1078 		cx_clear(MO_VID_DMACNTRL, 0x11);
1079 		cx_clear(VID_CAPTURE_CONTROL, 0x06);
1080 		cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1081 	}
1082 
1083 	/* risc1 y */
1084 	if (status & 0x01) {
1085 		spin_lock(&dev->slock);
1086 		count = cx_read(MO_VIDY_GPCNT);
1087 		cx88_wakeup(core, &dev->vidq, count);
1088 		spin_unlock(&dev->slock);
1089 	}
1090 
1091 	/* risc1 vbi */
1092 	if (status & 0x08) {
1093 		spin_lock(&dev->slock);
1094 		count = cx_read(MO_VBI_GPCNT);
1095 		cx88_wakeup(core, &dev->vbiq, count);
1096 		spin_unlock(&dev->slock);
1097 	}
1098 }
1099 
1100 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1101 {
1102 	struct cx8800_dev *dev = dev_id;
1103 	struct cx88_core *core = dev->core;
1104 	u32 status;
1105 	int loop, handled = 0;
1106 
1107 	for (loop = 0; loop < 10; loop++) {
1108 		status = cx_read(MO_PCI_INTSTAT) &
1109 			(core->pci_irqmask | PCI_INT_VIDINT);
1110 		if (status == 0)
1111 			goto out;
1112 		cx_write(MO_PCI_INTSTAT, status);
1113 		handled = 1;
1114 
1115 		if (status & core->pci_irqmask)
1116 			cx88_core_irq(core, status);
1117 		if (status & PCI_INT_VIDINT)
1118 			cx8800_vid_irq(dev);
1119 	}
1120 	if (loop == 10) {
1121 		pr_warn("irq loop -- clearing mask\n");
1122 		cx_write(MO_PCI_INTMSK, 0);
1123 	}
1124 
1125  out:
1126 	return IRQ_RETVAL(handled);
1127 }
1128 
1129 /* ----------------------------------------------------------- */
1130 /* exported stuff                                              */
1131 
1132 static const struct v4l2_file_operations video_fops = {
1133 	.owner	       = THIS_MODULE,
1134 	.open	       = v4l2_fh_open,
1135 	.release       = vb2_fop_release,
1136 	.read	       = vb2_fop_read,
1137 	.poll          = vb2_fop_poll,
1138 	.mmap	       = vb2_fop_mmap,
1139 	.unlocked_ioctl = video_ioctl2,
1140 };
1141 
1142 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1143 	.vidioc_querycap      = vidioc_querycap,
1144 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1145 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1146 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1147 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1148 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1149 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1150 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1151 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1152 	.vidioc_g_std         = vidioc_g_std,
1153 	.vidioc_s_std         = vidioc_s_std,
1154 	.vidioc_enum_input    = vidioc_enum_input,
1155 	.vidioc_g_input       = vidioc_g_input,
1156 	.vidioc_s_input       = vidioc_s_input,
1157 	.vidioc_streamon      = vb2_ioctl_streamon,
1158 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1159 	.vidioc_g_tuner       = vidioc_g_tuner,
1160 	.vidioc_s_tuner       = vidioc_s_tuner,
1161 	.vidioc_g_frequency   = vidioc_g_frequency,
1162 	.vidioc_s_frequency   = vidioc_s_frequency,
1163 	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1164 	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1165 #ifdef CONFIG_VIDEO_ADV_DEBUG
1166 	.vidioc_g_register    = vidioc_g_register,
1167 	.vidioc_s_register    = vidioc_s_register,
1168 #endif
1169 };
1170 
1171 static const struct video_device cx8800_video_template = {
1172 	.name                 = "cx8800-video",
1173 	.fops                 = &video_fops,
1174 	.ioctl_ops	      = &video_ioctl_ops,
1175 	.tvnorms              = CX88_NORMS,
1176 };
1177 
1178 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1179 	.vidioc_querycap      = vidioc_querycap,
1180 	.vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1181 	.vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1182 	.vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
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 #ifdef CONFIG_VIDEO_ADV_DEBUG
1199 	.vidioc_g_register    = vidioc_g_register,
1200 	.vidioc_s_register    = vidioc_s_register,
1201 #endif
1202 };
1203 
1204 static const struct video_device cx8800_vbi_template = {
1205 	.name                 = "cx8800-vbi",
1206 	.fops                 = &video_fops,
1207 	.ioctl_ops	      = &vbi_ioctl_ops,
1208 	.tvnorms              = CX88_NORMS,
1209 };
1210 
1211 static const struct v4l2_file_operations radio_fops = {
1212 	.owner         = THIS_MODULE,
1213 	.open          = radio_open,
1214 	.poll          = v4l2_ctrl_poll,
1215 	.release       = v4l2_fh_release,
1216 	.unlocked_ioctl = video_ioctl2,
1217 };
1218 
1219 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1220 	.vidioc_querycap      = vidioc_querycap,
1221 	.vidioc_g_tuner       = radio_g_tuner,
1222 	.vidioc_s_tuner       = radio_s_tuner,
1223 	.vidioc_g_frequency   = vidioc_g_frequency,
1224 	.vidioc_s_frequency   = vidioc_s_frequency,
1225 	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1226 	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1227 #ifdef CONFIG_VIDEO_ADV_DEBUG
1228 	.vidioc_g_register    = vidioc_g_register,
1229 	.vidioc_s_register    = vidioc_s_register,
1230 #endif
1231 };
1232 
1233 static const struct video_device cx8800_radio_template = {
1234 	.name                 = "cx8800-radio",
1235 	.fops                 = &radio_fops,
1236 	.ioctl_ops	      = &radio_ioctl_ops,
1237 };
1238 
1239 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1240 	.s_ctrl = cx8800_s_vid_ctrl,
1241 };
1242 
1243 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1244 	.s_ctrl = cx8800_s_aud_ctrl,
1245 };
1246 
1247 /* ----------------------------------------------------------- */
1248 
1249 static void cx8800_unregister_video(struct cx8800_dev *dev)
1250 {
1251 	video_unregister_device(&dev->radio_dev);
1252 	video_unregister_device(&dev->vbi_dev);
1253 	video_unregister_device(&dev->video_dev);
1254 }
1255 
1256 static int cx8800_initdev(struct pci_dev *pci_dev,
1257 			  const struct pci_device_id *pci_id)
1258 {
1259 	struct cx8800_dev *dev;
1260 	struct cx88_core *core;
1261 	struct vb2_queue *q;
1262 	int err;
1263 	int i;
1264 
1265 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1266 	if (!dev)
1267 		return -ENOMEM;
1268 
1269 	/* pci init */
1270 	dev->pci = pci_dev;
1271 	if (pci_enable_device(pci_dev)) {
1272 		err = -EIO;
1273 		goto fail_free;
1274 	}
1275 	core = cx88_core_get(dev->pci);
1276 	if (!core) {
1277 		err = -EINVAL;
1278 		goto fail_disable;
1279 	}
1280 	dev->core = core;
1281 
1282 	/* print pci info */
1283 	dev->pci_rev = pci_dev->revision;
1284 	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1285 	pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1286 		pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1287 		dev->pci_lat,
1288 		(unsigned long long)pci_resource_start(pci_dev, 0));
1289 
1290 	pci_set_master(pci_dev);
1291 	err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
1292 	if (err) {
1293 		pr_err("Oops: no 32bit PCI DMA ???\n");
1294 		goto fail_core;
1295 	}
1296 
1297 	/* initialize driver struct */
1298 	spin_lock_init(&dev->slock);
1299 
1300 	/* init video dma queues */
1301 	INIT_LIST_HEAD(&dev->vidq.active);
1302 
1303 	/* init vbi dma queues */
1304 	INIT_LIST_HEAD(&dev->vbiq.active);
1305 
1306 	/* get irq */
1307 	err = request_irq(pci_dev->irq, cx8800_irq,
1308 			  IRQF_SHARED, core->name, dev);
1309 	if (err < 0) {
1310 		pr_err("can't get IRQ %d\n", pci_dev->irq);
1311 		goto fail_core;
1312 	}
1313 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1314 
1315 	for (i = 0; i < CX8800_AUD_CTLS; i++) {
1316 		const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1317 		struct v4l2_ctrl *vc;
1318 
1319 		vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1320 				       cc->id, cc->minimum, cc->maximum,
1321 				       cc->step, cc->default_value);
1322 		if (!vc) {
1323 			err = core->audio_hdl.error;
1324 			goto fail_irq;
1325 		}
1326 		vc->priv = (void *)cc;
1327 	}
1328 
1329 	for (i = 0; i < CX8800_VID_CTLS; i++) {
1330 		const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1331 		struct v4l2_ctrl *vc;
1332 
1333 		vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1334 				       cc->id, cc->minimum, cc->maximum,
1335 				       cc->step, cc->default_value);
1336 		if (!vc) {
1337 			err = core->video_hdl.error;
1338 			goto fail_irq;
1339 		}
1340 		vc->priv = (void *)cc;
1341 		if (vc->id == V4L2_CID_CHROMA_AGC)
1342 			core->chroma_agc = vc;
1343 	}
1344 	v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false);
1345 
1346 	/* load and configure helper modules */
1347 
1348 	if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1349 		struct i2c_board_info wm8775_info = {
1350 			.type = "wm8775",
1351 			.addr = 0x36 >> 1,
1352 			.platform_data = &core->wm8775_data,
1353 		};
1354 		struct v4l2_subdev *sd;
1355 
1356 		if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1357 			core->wm8775_data.is_nova_s = true;
1358 		else
1359 			core->wm8775_data.is_nova_s = false;
1360 
1361 		sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1362 					       &wm8775_info, NULL);
1363 		if (sd) {
1364 			core->sd_wm8775 = sd;
1365 			sd->grp_id = WM8775_GID;
1366 		}
1367 	}
1368 
1369 	if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1370 		/*
1371 		 * This probes for a tda9874 as is used on some
1372 		 * Pixelview Ultra boards.
1373 		 */
1374 		v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1375 				    "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1376 	}
1377 
1378 	switch (core->boardnr) {
1379 	case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1380 	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1381 		static const struct i2c_board_info rtc_info = {
1382 			I2C_BOARD_INFO("isl1208", 0x6f)
1383 		};
1384 
1385 		request_module("rtc-isl1208");
1386 		core->i2c_rtc = i2c_new_client_device(&core->i2c_adap, &rtc_info);
1387 	}
1388 		fallthrough;
1389 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1390 		request_module("ir-kbd-i2c");
1391 	}
1392 
1393 	/* Sets device info at pci_dev */
1394 	pci_set_drvdata(pci_dev, dev);
1395 
1396 	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1397 
1398 	/* Maintain a reference so cx88-blackbird can query the 8800 device. */
1399 	core->v4ldev = dev;
1400 
1401 	/* initial device configuration */
1402 	mutex_lock(&core->lock);
1403 	cx88_set_tvnorm(core, V4L2_STD_NTSC_M);
1404 	v4l2_ctrl_handler_setup(&core->video_hdl);
1405 	v4l2_ctrl_handler_setup(&core->audio_hdl);
1406 	cx88_video_mux(core, 0);
1407 
1408 	q = &dev->vb2_vidq;
1409 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1410 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1411 	q->gfp_flags = GFP_DMA32;
1412 	q->min_buffers_needed = 2;
1413 	q->drv_priv = dev;
1414 	q->buf_struct_size = sizeof(struct cx88_buffer);
1415 	q->ops = &cx8800_video_qops;
1416 	q->mem_ops = &vb2_dma_sg_memops;
1417 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1418 	q->lock = &core->lock;
1419 	q->dev = &dev->pci->dev;
1420 
1421 	err = vb2_queue_init(q);
1422 	if (err < 0)
1423 		goto fail_unreg;
1424 
1425 	q = &dev->vb2_vbiq;
1426 	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1427 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1428 	q->gfp_flags = GFP_DMA32;
1429 	q->min_buffers_needed = 2;
1430 	q->drv_priv = dev;
1431 	q->buf_struct_size = sizeof(struct cx88_buffer);
1432 	q->ops = &cx8800_vbi_qops;
1433 	q->mem_ops = &vb2_dma_sg_memops;
1434 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1435 	q->lock = &core->lock;
1436 	q->dev = &dev->pci->dev;
1437 
1438 	err = vb2_queue_init(q);
1439 	if (err < 0)
1440 		goto fail_unreg;
1441 
1442 	/* register v4l devices */
1443 	cx88_vdev_init(core, dev->pci, &dev->video_dev,
1444 		       &cx8800_video_template, "video");
1445 	video_set_drvdata(&dev->video_dev, dev);
1446 	dev->video_dev.ctrl_handler = &core->video_hdl;
1447 	dev->video_dev.queue = &dev->vb2_vidq;
1448 	dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1449 				     V4L2_CAP_VIDEO_CAPTURE;
1450 	if (core->board.tuner_type != UNSET)
1451 		dev->video_dev.device_caps |= V4L2_CAP_TUNER;
1452 	err = video_register_device(&dev->video_dev, VFL_TYPE_VIDEO,
1453 				    video_nr[core->nr]);
1454 	if (err < 0) {
1455 		pr_err("can't register video device\n");
1456 		goto fail_unreg;
1457 	}
1458 	pr_info("registered device %s [v4l2]\n",
1459 		video_device_node_name(&dev->video_dev));
1460 
1461 	cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1462 		       &cx8800_vbi_template, "vbi");
1463 	video_set_drvdata(&dev->vbi_dev, dev);
1464 	dev->vbi_dev.queue = &dev->vb2_vbiq;
1465 	dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1466 				   V4L2_CAP_VBI_CAPTURE;
1467 	if (core->board.tuner_type != UNSET)
1468 		dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
1469 	err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1470 				    vbi_nr[core->nr]);
1471 	if (err < 0) {
1472 		pr_err("can't register vbi device\n");
1473 		goto fail_unreg;
1474 	}
1475 	pr_info("registered device %s\n",
1476 		video_device_node_name(&dev->vbi_dev));
1477 
1478 	if (core->board.radio.type == CX88_RADIO) {
1479 		cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1480 			       &cx8800_radio_template, "radio");
1481 		video_set_drvdata(&dev->radio_dev, dev);
1482 		dev->radio_dev.ctrl_handler = &core->audio_hdl;
1483 		dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1484 		err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1485 					    radio_nr[core->nr]);
1486 		if (err < 0) {
1487 			pr_err("can't register radio device\n");
1488 			goto fail_unreg;
1489 		}
1490 		pr_info("registered device %s\n",
1491 			video_device_node_name(&dev->radio_dev));
1492 	}
1493 
1494 	/* start tvaudio thread */
1495 	if (core->board.tuner_type != UNSET) {
1496 		core->kthread = kthread_run(cx88_audio_thread,
1497 					    core, "cx88 tvaudio");
1498 		if (IS_ERR(core->kthread)) {
1499 			err = PTR_ERR(core->kthread);
1500 			pr_err("failed to create cx88 audio thread, err=%d\n",
1501 			       err);
1502 		}
1503 	}
1504 	mutex_unlock(&core->lock);
1505 
1506 	return 0;
1507 
1508 fail_unreg:
1509 	cx8800_unregister_video(dev);
1510 	mutex_unlock(&core->lock);
1511 fail_irq:
1512 	free_irq(pci_dev->irq, dev);
1513 fail_core:
1514 	core->v4ldev = NULL;
1515 	cx88_core_put(core, dev->pci);
1516 fail_disable:
1517 	pci_disable_device(pci_dev);
1518 fail_free:
1519 	kfree(dev);
1520 	return err;
1521 }
1522 
1523 static void cx8800_finidev(struct pci_dev *pci_dev)
1524 {
1525 	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1526 	struct cx88_core *core = dev->core;
1527 
1528 	/* stop thread */
1529 	if (core->kthread) {
1530 		kthread_stop(core->kthread);
1531 		core->kthread = NULL;
1532 	}
1533 
1534 	if (core->ir)
1535 		cx88_ir_stop(core);
1536 
1537 	cx88_shutdown(core); /* FIXME */
1538 
1539 	/* unregister stuff */
1540 
1541 	free_irq(pci_dev->irq, dev);
1542 	cx8800_unregister_video(dev);
1543 	pci_disable_device(pci_dev);
1544 
1545 	core->v4ldev = NULL;
1546 
1547 	/* free memory */
1548 	cx88_core_put(core, dev->pci);
1549 	kfree(dev);
1550 }
1551 
1552 static int __maybe_unused cx8800_suspend(struct device *dev_d)
1553 {
1554 	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
1555 	struct cx88_core *core = dev->core;
1556 	unsigned long flags;
1557 
1558 	/* stop video+vbi capture */
1559 	spin_lock_irqsave(&dev->slock, flags);
1560 	if (!list_empty(&dev->vidq.active)) {
1561 		pr_info("suspend video\n");
1562 		stop_video_dma(dev);
1563 	}
1564 	if (!list_empty(&dev->vbiq.active)) {
1565 		pr_info("suspend vbi\n");
1566 		cx8800_stop_vbi_dma(dev);
1567 	}
1568 	spin_unlock_irqrestore(&dev->slock, flags);
1569 
1570 	if (core->ir)
1571 		cx88_ir_stop(core);
1572 	/* FIXME -- shutdown device */
1573 	cx88_shutdown(core);
1574 
1575 	dev->state.disabled = 1;
1576 	return 0;
1577 }
1578 
1579 static int __maybe_unused cx8800_resume(struct device *dev_d)
1580 {
1581 	struct cx8800_dev *dev = dev_get_drvdata(dev_d);
1582 	struct cx88_core *core = dev->core;
1583 	unsigned long flags;
1584 
1585 	dev->state.disabled = 0;
1586 
1587 	/* FIXME: re-initialize hardware */
1588 	cx88_reset(core);
1589 	if (core->ir)
1590 		cx88_ir_start(core);
1591 
1592 	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1593 
1594 	/* restart video+vbi capture */
1595 	spin_lock_irqsave(&dev->slock, flags);
1596 	if (!list_empty(&dev->vidq.active)) {
1597 		pr_info("resume video\n");
1598 		restart_video_queue(dev, &dev->vidq);
1599 	}
1600 	if (!list_empty(&dev->vbiq.active)) {
1601 		pr_info("resume vbi\n");
1602 		cx8800_restart_vbi_queue(dev, &dev->vbiq);
1603 	}
1604 	spin_unlock_irqrestore(&dev->slock, flags);
1605 
1606 	return 0;
1607 }
1608 
1609 /* ----------------------------------------------------------- */
1610 
1611 static const struct pci_device_id cx8800_pci_tbl[] = {
1612 	{
1613 		.vendor       = 0x14f1,
1614 		.device       = 0x8800,
1615 		.subvendor    = PCI_ANY_ID,
1616 		.subdevice    = PCI_ANY_ID,
1617 	}, {
1618 		/* --- end of list --- */
1619 	}
1620 };
1621 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1622 
1623 static SIMPLE_DEV_PM_OPS(cx8800_pm_ops, cx8800_suspend, cx8800_resume);
1624 
1625 static struct pci_driver cx8800_pci_driver = {
1626 	.name      = "cx8800",
1627 	.id_table  = cx8800_pci_tbl,
1628 	.probe     = cx8800_initdev,
1629 	.remove    = cx8800_finidev,
1630 	.driver.pm = &cx8800_pm_ops,
1631 };
1632 
1633 module_pci_driver(cx8800_pci_driver);
1634