1/*
2 *
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
5 *
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 *	- Multituner support
10 *	- video_ioctl2 conversion
11 *	- PAL/M fixes
12 *
13 *  This program is free software; you can redistribute it and/or modify
14 *  it under the terms of the GNU General Public License as published by
15 *  the Free Software Foundation; either version 2 of the License, or
16 *  (at your option) any later version.
17 *
18 *  This program is distributed in the hope that it will be useful,
19 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 *  GNU General Public License for more details.
22 *
23 *  You should have received a copy of the GNU General Public License
24 *  along with this program; if not, write to the Free Software
25 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28#include <linux/init.h>
29#include <linux/list.h>
30#include <linux/module.h>
31#include <linux/kmod.h>
32#include <linux/kernel.h>
33#include <linux/slab.h>
34#include <linux/interrupt.h>
35#include <linux/dma-mapping.h>
36#include <linux/delay.h>
37#include <linux/kthread.h>
38#include <asm/div64.h>
39
40#include "cx88.h"
41#include <media/v4l2-common.h>
42#include <media/v4l2-ioctl.h>
43#include <media/v4l2-event.h>
44#include <media/wm8775.h>
45
46MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
47MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
48MODULE_LICENSE("GPL");
49MODULE_VERSION(CX88_VERSION);
50
51/* ------------------------------------------------------------------ */
52
53static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
54static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56
57module_param_array(video_nr, int, NULL, 0444);
58module_param_array(vbi_nr,   int, NULL, 0444);
59module_param_array(radio_nr, int, NULL, 0444);
60
61MODULE_PARM_DESC(video_nr,"video device numbers");
62MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
63MODULE_PARM_DESC(radio_nr,"radio device numbers");
64
65static unsigned int video_debug;
66module_param(video_debug,int,0644);
67MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
68
69static unsigned int irq_debug;
70module_param(irq_debug,int,0644);
71MODULE_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
79static 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
143static 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
155struct 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
171static 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
257static 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
291enum {
292	CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
293	CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
294};
295
296/* ------------------------------------------------------------------ */
297
298int 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}
355EXPORT_SYMBOL(cx88_video_mux);
356
357/* ------------------------------------------------------------------ */
358
359static int start_video_dma(struct cx8800_dev    *dev,
360			   struct cx88_dmaqueue *q,
361			   struct cx88_buffer   *buf)
362{
363	struct cx88_core *core = dev->core;
364
365	/* setup fifo + format */
366	cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
367				buf->bpl, buf->risc.dma);
368	cx88_set_scale(core, core->width, core->height, core->field);
369	cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
370
371	/* reset counter */
372	cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
373	q->count = 1;
374
375	/* enable irqs */
376	cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
377
378	/* Enables corresponding bits at PCI_INT_STAT:
379		bits 0 to 4: video, audio, transport stream, VIP, Host
380		bit 7: timer
381		bits 8 and 9: DMA complete for: SRC, DST
382		bits 10 and 11: BERR signal asserted for RISC: RD, WR
383		bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
384	 */
385	cx_set(MO_VID_INTMSK, 0x0f0011);
386
387	/* enable capture */
388	cx_set(VID_CAPTURE_CONTROL,0x06);
389
390	/* start dma */
391	cx_set(MO_DEV_CNTRL2, (1<<5));
392	cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
393
394	return 0;
395}
396
397#ifdef CONFIG_PM
398static int stop_video_dma(struct cx8800_dev    *dev)
399{
400	struct cx88_core *core = dev->core;
401
402	/* stop dma */
403	cx_clear(MO_VID_DMACNTRL, 0x11);
404
405	/* disable capture */
406	cx_clear(VID_CAPTURE_CONTROL,0x06);
407
408	/* disable irqs */
409	cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
410	cx_clear(MO_VID_INTMSK, 0x0f0011);
411	return 0;
412}
413#endif
414
415static int restart_video_queue(struct cx8800_dev    *dev,
416			       struct cx88_dmaqueue *q)
417{
418	struct cx88_core *core = dev->core;
419	struct cx88_buffer *buf;
420
421	if (!list_empty(&q->active)) {
422		buf = list_entry(q->active.next, struct cx88_buffer, list);
423		dprintk(2,"restart_queue [%p/%d]: restart dma\n",
424			buf, buf->vb.v4l2_buf.index);
425		start_video_dma(dev, q, buf);
426		list_for_each_entry(buf, &q->active, list)
427			buf->count = q->count++;
428	}
429	return 0;
430}
431
432/* ------------------------------------------------------------------ */
433
434static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
435			   unsigned int *num_buffers, unsigned int *num_planes,
436			   unsigned int sizes[], void *alloc_ctxs[])
437{
438	struct cx8800_dev *dev = q->drv_priv;
439	struct cx88_core *core = dev->core;
440
441	*num_planes = 1;
442	sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
443	alloc_ctxs[0] = dev->alloc_ctx;
444	return 0;
445}
446
447static int buffer_prepare(struct vb2_buffer *vb)
448{
449	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
450	struct cx88_core *core = dev->core;
451	struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
452	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
453
454	buf->bpl = core->width * dev->fmt->depth >> 3;
455
456	if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
457		return -EINVAL;
458	vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
459
460	switch (core->field) {
461	case V4L2_FIELD_TOP:
462		cx88_risc_buffer(dev->pci, &buf->risc,
463				 sgt->sgl, 0, UNSET,
464				 buf->bpl, 0, core->height);
465		break;
466	case V4L2_FIELD_BOTTOM:
467		cx88_risc_buffer(dev->pci, &buf->risc,
468				 sgt->sgl, UNSET, 0,
469				 buf->bpl, 0, core->height);
470		break;
471	case V4L2_FIELD_SEQ_TB:
472		cx88_risc_buffer(dev->pci, &buf->risc,
473				 sgt->sgl,
474				 0, buf->bpl * (core->height >> 1),
475				 buf->bpl, 0,
476				 core->height >> 1);
477		break;
478	case V4L2_FIELD_SEQ_BT:
479		cx88_risc_buffer(dev->pci, &buf->risc,
480				 sgt->sgl,
481				 buf->bpl * (core->height >> 1), 0,
482				 buf->bpl, 0,
483				 core->height >> 1);
484		break;
485	case V4L2_FIELD_INTERLACED:
486	default:
487		cx88_risc_buffer(dev->pci, &buf->risc,
488				 sgt->sgl, 0, buf->bpl,
489				 buf->bpl, buf->bpl,
490				 core->height >> 1);
491		break;
492	}
493	dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
494		buf, buf->vb.v4l2_buf.index,
495		core->width, core->height, dev->fmt->depth, dev->fmt->name,
496		(unsigned long)buf->risc.dma);
497	return 0;
498}
499
500static void buffer_finish(struct vb2_buffer *vb)
501{
502	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
503	struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
504	struct cx88_riscmem *risc = &buf->risc;
505
506	if (risc->cpu)
507		pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
508	memset(risc, 0, sizeof(*risc));
509}
510
511static void buffer_queue(struct vb2_buffer *vb)
512{
513	struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
514	struct cx88_buffer    *buf = container_of(vb, struct cx88_buffer, vb);
515	struct cx88_buffer    *prev;
516	struct cx88_core      *core = dev->core;
517	struct cx88_dmaqueue  *q    = &dev->vidq;
518
519	/* add jump to start */
520	buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
521	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
522	buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
523
524	if (list_empty(&q->active)) {
525		list_add_tail(&buf->list, &q->active);
526		buf->count    = q->count++;
527		dprintk(2,"[%p/%d] buffer_queue - first active\n",
528			buf, buf->vb.v4l2_buf.index);
529
530	} else {
531		buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
532		prev = list_entry(q->active.prev, struct cx88_buffer, list);
533		list_add_tail(&buf->list, &q->active);
534		buf->count    = q->count++;
535		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
536		dprintk(2, "[%p/%d] buffer_queue - append to active\n",
537			buf, buf->vb.v4l2_buf.index);
538	}
539}
540
541static int start_streaming(struct vb2_queue *q, unsigned int count)
542{
543	struct cx8800_dev *dev = q->drv_priv;
544	struct cx88_dmaqueue *dmaq = &dev->vidq;
545	struct cx88_buffer *buf = list_entry(dmaq->active.next,
546			struct cx88_buffer, list);
547
548	start_video_dma(dev, dmaq, buf);
549	return 0;
550}
551
552static void stop_streaming(struct vb2_queue *q)
553{
554	struct cx8800_dev *dev = q->drv_priv;
555	struct cx88_core *core = dev->core;
556	struct cx88_dmaqueue *dmaq = &dev->vidq;
557	unsigned long flags;
558
559	cx_clear(MO_VID_DMACNTRL, 0x11);
560	cx_clear(VID_CAPTURE_CONTROL, 0x06);
561	spin_lock_irqsave(&dev->slock, flags);
562	while (!list_empty(&dmaq->active)) {
563		struct cx88_buffer *buf = list_entry(dmaq->active.next,
564			struct cx88_buffer, list);
565
566		list_del(&buf->list);
567		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
568	}
569	spin_unlock_irqrestore(&dev->slock, flags);
570}
571
572static struct vb2_ops cx8800_video_qops = {
573	.queue_setup    = queue_setup,
574	.buf_prepare  = buffer_prepare,
575	.buf_finish = buffer_finish,
576	.buf_queue    = buffer_queue,
577	.wait_prepare = vb2_ops_wait_prepare,
578	.wait_finish = vb2_ops_wait_finish,
579	.start_streaming = start_streaming,
580	.stop_streaming = stop_streaming,
581};
582
583/* ------------------------------------------------------------------ */
584
585static int radio_open(struct file *file)
586{
587	struct cx8800_dev *dev = video_drvdata(file);
588	struct cx88_core *core = dev->core;
589	int ret = v4l2_fh_open(file);
590
591	if (ret)
592		return ret;
593
594	cx_write(MO_GP3_IO, core->board.radio.gpio3);
595	cx_write(MO_GP0_IO, core->board.radio.gpio0);
596	cx_write(MO_GP1_IO, core->board.radio.gpio1);
597	cx_write(MO_GP2_IO, core->board.radio.gpio2);
598	if (core->board.radio.audioroute) {
599		if (core->sd_wm8775) {
600			call_all(core, audio, s_routing,
601					core->board.radio.audioroute, 0, 0);
602		}
603		/* "I2S ADC mode" */
604		core->tvaudio = WW_I2SADC;
605		cx88_set_tvaudio(core);
606	} else {
607		/* FM Mode */
608		core->tvaudio = WW_FM;
609		cx88_set_tvaudio(core);
610		cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
611	}
612	call_all(core, tuner, s_radio);
613	return 0;
614}
615
616/* ------------------------------------------------------------------ */
617/* VIDEO CTRL IOCTLS                                                  */
618
619static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
620{
621	struct cx88_core *core =
622		container_of(ctrl->handler, struct cx88_core, video_hdl);
623	const struct cx88_ctrl *cc = ctrl->priv;
624	u32 value, mask;
625
626	mask = cc->mask;
627	switch (ctrl->id) {
628	case V4L2_CID_SATURATION:
629		/* special v_sat handling */
630
631		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
632
633		if (core->tvnorm & V4L2_STD_SECAM) {
634			/* For SECAM, both U and V sat should be equal */
635			value = value << 8 | value;
636		} else {
637			/* Keeps U Saturation proportional to V Sat */
638			value = (value * 0x5a) / 0x7f << 8 | value;
639		}
640		mask = 0xffff;
641		break;
642	case V4L2_CID_SHARPNESS:
643		/* 0b000, 0b100, 0b101, 0b110, or 0b111 */
644		value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
645		/* needs to be set for both fields */
646		cx_andor(MO_FILTER_EVEN, mask, value);
647		break;
648	case V4L2_CID_CHROMA_AGC:
649		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
650		break;
651	default:
652		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
653		break;
654	}
655	dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
656				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
657				mask, cc->sreg ? " [shadowed]" : "");
658	if (cc->sreg)
659		cx_sandor(cc->sreg, cc->reg, mask, value);
660	else
661		cx_andor(cc->reg, mask, value);
662	return 0;
663}
664
665static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
666{
667	struct cx88_core *core =
668		container_of(ctrl->handler, struct cx88_core, audio_hdl);
669	const struct cx88_ctrl *cc = ctrl->priv;
670	u32 value,mask;
671
672	/* Pass changes onto any WM8775 */
673	if (core->sd_wm8775) {
674		switch (ctrl->id) {
675		case V4L2_CID_AUDIO_MUTE:
676			wm8775_s_ctrl(core, ctrl->id, ctrl->val);
677			break;
678		case V4L2_CID_AUDIO_VOLUME:
679			wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
680						(0x90 + ctrl->val) << 8 : 0);
681			break;
682		case V4L2_CID_AUDIO_BALANCE:
683			wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
684			break;
685		default:
686			break;
687		}
688	}
689
690	mask = cc->mask;
691	switch (ctrl->id) {
692	case V4L2_CID_AUDIO_BALANCE:
693		value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
694		break;
695	case V4L2_CID_AUDIO_VOLUME:
696		value = 0x3f - (ctrl->val & 0x3f);
697		break;
698	default:
699		value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
700		break;
701	}
702	dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
703				ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
704				mask, cc->sreg ? " [shadowed]" : "");
705	if (cc->sreg)
706		cx_sandor(cc->sreg, cc->reg, mask, value);
707	else
708		cx_andor(cc->reg, mask, value);
709	return 0;
710}
711
712/* ------------------------------------------------------------------ */
713/* VIDEO IOCTLS                                                       */
714
715static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
716					struct v4l2_format *f)
717{
718	struct cx8800_dev *dev = video_drvdata(file);
719	struct cx88_core *core = dev->core;
720
721	f->fmt.pix.width        = core->width;
722	f->fmt.pix.height       = core->height;
723	f->fmt.pix.field        = core->field;
724	f->fmt.pix.pixelformat  = dev->fmt->fourcc;
725	f->fmt.pix.bytesperline =
726		(f->fmt.pix.width * dev->fmt->depth) >> 3;
727	f->fmt.pix.sizeimage =
728		f->fmt.pix.height * f->fmt.pix.bytesperline;
729	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
730	return 0;
731}
732
733static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
734			struct v4l2_format *f)
735{
736	struct cx8800_dev *dev = video_drvdata(file);
737	struct cx88_core *core = dev->core;
738	const struct cx8800_fmt *fmt;
739	enum v4l2_field   field;
740	unsigned int      maxw, maxh;
741
742	fmt = format_by_fourcc(f->fmt.pix.pixelformat);
743	if (NULL == fmt)
744		return -EINVAL;
745
746	maxw = norm_maxw(core->tvnorm);
747	maxh = norm_maxh(core->tvnorm);
748
749	field = f->fmt.pix.field;
750
751	switch (field) {
752	case V4L2_FIELD_TOP:
753	case V4L2_FIELD_BOTTOM:
754	case V4L2_FIELD_INTERLACED:
755	case V4L2_FIELD_SEQ_BT:
756	case V4L2_FIELD_SEQ_TB:
757		break;
758	default:
759		field = (f->fmt.pix.height > maxh / 2)
760			? V4L2_FIELD_INTERLACED
761			: V4L2_FIELD_BOTTOM;
762		break;
763	}
764	if (V4L2_FIELD_HAS_T_OR_B(field))
765		maxh /= 2;
766
767	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
768			      &f->fmt.pix.height, 32, maxh, 0, 0);
769	f->fmt.pix.field = field;
770	f->fmt.pix.bytesperline =
771		(f->fmt.pix.width * fmt->depth) >> 3;
772	f->fmt.pix.sizeimage =
773		f->fmt.pix.height * f->fmt.pix.bytesperline;
774
775	return 0;
776}
777
778static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
779					struct v4l2_format *f)
780{
781	struct cx8800_dev *dev = video_drvdata(file);
782	struct cx88_core *core = dev->core;
783	int err = vidioc_try_fmt_vid_cap (file,priv,f);
784
785	if (0 != err)
786		return err;
787	if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
788		return -EBUSY;
789	if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
790		return -EBUSY;
791	dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
792	core->width = f->fmt.pix.width;
793	core->height = f->fmt.pix.height;
794	core->field = f->fmt.pix.field;
795	return 0;
796}
797
798void cx88_querycap(struct file *file, struct cx88_core *core,
799		struct v4l2_capability *cap)
800{
801	struct video_device *vdev = video_devdata(file);
802
803	strlcpy(cap->card, core->board.name, sizeof(cap->card));
804	cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
805	if (UNSET != core->board.tuner_type)
806		cap->device_caps |= V4L2_CAP_TUNER;
807	switch (vdev->vfl_type) {
808	case VFL_TYPE_RADIO:
809		cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
810		break;
811	case VFL_TYPE_GRABBER:
812		cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
813		break;
814	case VFL_TYPE_VBI:
815		cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
816		break;
817	}
818	cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
819		V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
820	if (core->board.radio.type == CX88_RADIO)
821		cap->capabilities |= V4L2_CAP_RADIO;
822}
823EXPORT_SYMBOL(cx88_querycap);
824
825static int vidioc_querycap(struct file *file, void  *priv,
826					struct v4l2_capability *cap)
827{
828	struct cx8800_dev *dev = video_drvdata(file);
829	struct cx88_core *core = dev->core;
830
831	strcpy(cap->driver, "cx8800");
832	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
833	cx88_querycap(file, core, cap);
834	return 0;
835}
836
837static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
838					struct v4l2_fmtdesc *f)
839{
840	if (unlikely(f->index >= ARRAY_SIZE(formats)))
841		return -EINVAL;
842
843	strlcpy(f->description,formats[f->index].name,sizeof(f->description));
844	f->pixelformat = formats[f->index].fourcc;
845
846	return 0;
847}
848
849static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
850{
851	struct cx8800_dev *dev = video_drvdata(file);
852	struct cx88_core *core = dev->core;
853
854	*tvnorm = core->tvnorm;
855	return 0;
856}
857
858static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
859{
860	struct cx8800_dev *dev = video_drvdata(file);
861	struct cx88_core *core = dev->core;
862
863	return cx88_set_tvnorm(core, tvnorms);
864}
865
866/* only one input in this sample driver */
867int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i)
868{
869	static const char * const iname[] = {
870		[ CX88_VMUX_COMPOSITE1 ] = "Composite1",
871		[ CX88_VMUX_COMPOSITE2 ] = "Composite2",
872		[ CX88_VMUX_COMPOSITE3 ] = "Composite3",
873		[ CX88_VMUX_COMPOSITE4 ] = "Composite4",
874		[ CX88_VMUX_SVIDEO     ] = "S-Video",
875		[ CX88_VMUX_TELEVISION ] = "Television",
876		[ CX88_VMUX_CABLE      ] = "Cable TV",
877		[ CX88_VMUX_DVB        ] = "DVB",
878		[ CX88_VMUX_DEBUG      ] = "for debug only",
879	};
880	unsigned int n = i->index;
881
882	if (n >= 4)
883		return -EINVAL;
884	if (0 == INPUT(n).type)
885		return -EINVAL;
886	i->type  = V4L2_INPUT_TYPE_CAMERA;
887	strcpy(i->name,iname[INPUT(n).type]);
888	if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
889	    (CX88_VMUX_CABLE      == INPUT(n).type)) {
890		i->type = V4L2_INPUT_TYPE_TUNER;
891	}
892	i->std = CX88_NORMS;
893	return 0;
894}
895EXPORT_SYMBOL(cx88_enum_input);
896
897static int vidioc_enum_input (struct file *file, void *priv,
898				struct v4l2_input *i)
899{
900	struct cx8800_dev *dev = video_drvdata(file);
901	struct cx88_core *core = dev->core;
902	return cx88_enum_input (core,i);
903}
904
905static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
906{
907	struct cx8800_dev *dev = video_drvdata(file);
908	struct cx88_core *core = dev->core;
909
910	*i = core->input;
911	return 0;
912}
913
914static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
915{
916	struct cx8800_dev *dev = video_drvdata(file);
917	struct cx88_core *core = dev->core;
918
919	if (i >= 4)
920		return -EINVAL;
921	if (0 == INPUT(i).type)
922		return -EINVAL;
923
924	cx88_newstation(core);
925	cx88_video_mux(core,i);
926	return 0;
927}
928
929static int vidioc_g_tuner (struct file *file, void *priv,
930				struct v4l2_tuner *t)
931{
932	struct cx8800_dev *dev = video_drvdata(file);
933	struct cx88_core *core = dev->core;
934	u32 reg;
935
936	if (unlikely(UNSET == core->board.tuner_type))
937		return -EINVAL;
938	if (0 != t->index)
939		return -EINVAL;
940
941	strcpy(t->name, "Television");
942	t->capability = V4L2_TUNER_CAP_NORM;
943	t->rangehigh  = 0xffffffffUL;
944	call_all(core, tuner, g_tuner, t);
945
946	cx88_get_stereo(core ,t);
947	reg = cx_read(MO_DEVICE_STATUS);
948	t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
949	return 0;
950}
951
952static int vidioc_s_tuner (struct file *file, void *priv,
953				const struct v4l2_tuner *t)
954{
955	struct cx8800_dev *dev = video_drvdata(file);
956	struct cx88_core *core = dev->core;
957
958	if (UNSET == core->board.tuner_type)
959		return -EINVAL;
960	if (0 != t->index)
961		return -EINVAL;
962
963	cx88_set_stereo(core, t->audmode, 1);
964	return 0;
965}
966
967static int vidioc_g_frequency (struct file *file, void *priv,
968				struct v4l2_frequency *f)
969{
970	struct cx8800_dev *dev = video_drvdata(file);
971	struct cx88_core *core = dev->core;
972
973	if (unlikely(UNSET == core->board.tuner_type))
974		return -EINVAL;
975	if (f->tuner)
976		return -EINVAL;
977
978	f->frequency = core->freq;
979
980	call_all(core, tuner, g_frequency, f);
981
982	return 0;
983}
984
985int cx88_set_freq (struct cx88_core  *core,
986				const struct v4l2_frequency *f)
987{
988	struct v4l2_frequency new_freq = *f;
989
990	if (unlikely(UNSET == core->board.tuner_type))
991		return -EINVAL;
992	if (unlikely(f->tuner != 0))
993		return -EINVAL;
994
995	cx88_newstation(core);
996	call_all(core, tuner, s_frequency, f);
997	call_all(core, tuner, g_frequency, &new_freq);
998	core->freq = new_freq.frequency;
999
1000	/* When changing channels it is required to reset TVAUDIO */
1001	msleep (10);
1002	cx88_set_tvaudio(core);
1003
1004	return 0;
1005}
1006EXPORT_SYMBOL(cx88_set_freq);
1007
1008static int vidioc_s_frequency (struct file *file, void *priv,
1009				const struct v4l2_frequency *f)
1010{
1011	struct cx8800_dev *dev = video_drvdata(file);
1012	struct cx88_core *core = dev->core;
1013
1014	return cx88_set_freq(core, f);
1015}
1016
1017#ifdef CONFIG_VIDEO_ADV_DEBUG
1018static int vidioc_g_register (struct file *file, void *fh,
1019				struct v4l2_dbg_register *reg)
1020{
1021	struct cx8800_dev *dev = video_drvdata(file);
1022	struct cx88_core *core = dev->core;
1023
1024	/* cx2388x has a 24-bit register space */
1025	reg->val = cx_read(reg->reg & 0xfffffc);
1026	reg->size = 4;
1027	return 0;
1028}
1029
1030static int vidioc_s_register (struct file *file, void *fh,
1031				const struct v4l2_dbg_register *reg)
1032{
1033	struct cx8800_dev *dev = video_drvdata(file);
1034	struct cx88_core *core = dev->core;
1035
1036	cx_write(reg->reg & 0xfffffc, reg->val);
1037	return 0;
1038}
1039#endif
1040
1041/* ----------------------------------------------------------- */
1042/* RADIO ESPECIFIC IOCTLS                                      */
1043/* ----------------------------------------------------------- */
1044
1045static int radio_g_tuner (struct file *file, void *priv,
1046				struct v4l2_tuner *t)
1047{
1048	struct cx8800_dev *dev = video_drvdata(file);
1049	struct cx88_core *core = dev->core;
1050
1051	if (unlikely(t->index > 0))
1052		return -EINVAL;
1053
1054	strcpy(t->name, "Radio");
1055
1056	call_all(core, tuner, g_tuner, t);
1057	return 0;
1058}
1059
1060static int radio_s_tuner (struct file *file, void *priv,
1061				const struct v4l2_tuner *t)
1062{
1063	struct cx8800_dev *dev = video_drvdata(file);
1064	struct cx88_core *core = dev->core;
1065
1066	if (0 != t->index)
1067		return -EINVAL;
1068
1069	call_all(core, tuner, s_tuner, t);
1070	return 0;
1071}
1072
1073/* ----------------------------------------------------------- */
1074
1075static const char *cx88_vid_irqs[32] = {
1076	"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1077	"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1078	"y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1079	"y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1080	"opc_err",  "par_err",  "rip_err",  "pci_abort",
1081};
1082
1083static void cx8800_vid_irq(struct cx8800_dev *dev)
1084{
1085	struct cx88_core *core = dev->core;
1086	u32 status, mask, count;
1087
1088	status = cx_read(MO_VID_INTSTAT);
1089	mask   = cx_read(MO_VID_INTMSK);
1090	if (0 == (status & mask))
1091		return;
1092	cx_write(MO_VID_INTSTAT, status);
1093	if (irq_debug  ||  (status & mask & ~0xff))
1094		cx88_print_irqbits(core->name, "irq vid",
1095				   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1096				   status, mask);
1097
1098	/* risc op code error */
1099	if (status & (1 << 16)) {
1100		printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1101		cx_clear(MO_VID_DMACNTRL, 0x11);
1102		cx_clear(VID_CAPTURE_CONTROL, 0x06);
1103		cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1104	}
1105
1106	/* risc1 y */
1107	if (status & 0x01) {
1108		spin_lock(&dev->slock);
1109		count = cx_read(MO_VIDY_GPCNT);
1110		cx88_wakeup(core, &dev->vidq, count);
1111		spin_unlock(&dev->slock);
1112	}
1113
1114	/* risc1 vbi */
1115	if (status & 0x08) {
1116		spin_lock(&dev->slock);
1117		count = cx_read(MO_VBI_GPCNT);
1118		cx88_wakeup(core, &dev->vbiq, count);
1119		spin_unlock(&dev->slock);
1120	}
1121}
1122
1123static irqreturn_t cx8800_irq(int irq, void *dev_id)
1124{
1125	struct cx8800_dev *dev = dev_id;
1126	struct cx88_core *core = dev->core;
1127	u32 status;
1128	int loop, handled = 0;
1129
1130	for (loop = 0; loop < 10; loop++) {
1131		status = cx_read(MO_PCI_INTSTAT) &
1132			(core->pci_irqmask | PCI_INT_VIDINT);
1133		if (0 == status)
1134			goto out;
1135		cx_write(MO_PCI_INTSTAT, status);
1136		handled = 1;
1137
1138		if (status & core->pci_irqmask)
1139			cx88_core_irq(core,status);
1140		if (status & PCI_INT_VIDINT)
1141			cx8800_vid_irq(dev);
1142	}
1143	if (10 == loop) {
1144		printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1145		       core->name);
1146		cx_write(MO_PCI_INTMSK,0);
1147	}
1148
1149 out:
1150	return IRQ_RETVAL(handled);
1151}
1152
1153/* ----------------------------------------------------------- */
1154/* exported stuff                                              */
1155
1156static const struct v4l2_file_operations video_fops =
1157{
1158	.owner	       = THIS_MODULE,
1159	.open	       = v4l2_fh_open,
1160	.release       = vb2_fop_release,
1161	.read	       = vb2_fop_read,
1162	.poll          = vb2_fop_poll,
1163	.mmap	       = vb2_fop_mmap,
1164	.unlocked_ioctl = video_ioctl2,
1165};
1166
1167static const struct v4l2_ioctl_ops video_ioctl_ops = {
1168	.vidioc_querycap      = vidioc_querycap,
1169	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1170	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1171	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1172	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1173	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1174	.vidioc_querybuf      = vb2_ioctl_querybuf,
1175	.vidioc_qbuf          = vb2_ioctl_qbuf,
1176	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1177	.vidioc_g_std         = vidioc_g_std,
1178	.vidioc_s_std         = vidioc_s_std,
1179	.vidioc_enum_input    = vidioc_enum_input,
1180	.vidioc_g_input       = vidioc_g_input,
1181	.vidioc_s_input       = vidioc_s_input,
1182	.vidioc_streamon      = vb2_ioctl_streamon,
1183	.vidioc_streamoff     = vb2_ioctl_streamoff,
1184	.vidioc_g_tuner       = vidioc_g_tuner,
1185	.vidioc_s_tuner       = vidioc_s_tuner,
1186	.vidioc_g_frequency   = vidioc_g_frequency,
1187	.vidioc_s_frequency   = vidioc_s_frequency,
1188	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1189	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1190#ifdef CONFIG_VIDEO_ADV_DEBUG
1191	.vidioc_g_register    = vidioc_g_register,
1192	.vidioc_s_register    = vidioc_s_register,
1193#endif
1194};
1195
1196static const struct video_device cx8800_video_template = {
1197	.name                 = "cx8800-video",
1198	.fops                 = &video_fops,
1199	.ioctl_ops 	      = &video_ioctl_ops,
1200	.tvnorms              = CX88_NORMS,
1201};
1202
1203static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1204	.vidioc_querycap      = vidioc_querycap,
1205	.vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1206	.vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1207	.vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1208	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1209	.vidioc_querybuf      = vb2_ioctl_querybuf,
1210	.vidioc_qbuf          = vb2_ioctl_qbuf,
1211	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1212	.vidioc_g_std         = vidioc_g_std,
1213	.vidioc_s_std         = vidioc_s_std,
1214	.vidioc_enum_input    = vidioc_enum_input,
1215	.vidioc_g_input       = vidioc_g_input,
1216	.vidioc_s_input       = vidioc_s_input,
1217	.vidioc_streamon      = vb2_ioctl_streamon,
1218	.vidioc_streamoff     = vb2_ioctl_streamoff,
1219	.vidioc_g_tuner       = vidioc_g_tuner,
1220	.vidioc_s_tuner       = vidioc_s_tuner,
1221	.vidioc_g_frequency   = vidioc_g_frequency,
1222	.vidioc_s_frequency   = vidioc_s_frequency,
1223#ifdef CONFIG_VIDEO_ADV_DEBUG
1224	.vidioc_g_register    = vidioc_g_register,
1225	.vidioc_s_register    = vidioc_s_register,
1226#endif
1227};
1228
1229static const struct video_device cx8800_vbi_template = {
1230	.name                 = "cx8800-vbi",
1231	.fops                 = &video_fops,
1232	.ioctl_ops	      = &vbi_ioctl_ops,
1233	.tvnorms              = CX88_NORMS,
1234};
1235
1236static const struct v4l2_file_operations radio_fops =
1237{
1238	.owner         = THIS_MODULE,
1239	.open          = radio_open,
1240	.poll          = v4l2_ctrl_poll,
1241	.release       = v4l2_fh_release,
1242	.unlocked_ioctl = video_ioctl2,
1243};
1244
1245static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1246	.vidioc_querycap      = vidioc_querycap,
1247	.vidioc_g_tuner       = radio_g_tuner,
1248	.vidioc_s_tuner       = radio_s_tuner,
1249	.vidioc_g_frequency   = vidioc_g_frequency,
1250	.vidioc_s_frequency   = vidioc_s_frequency,
1251	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1252	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1253#ifdef CONFIG_VIDEO_ADV_DEBUG
1254	.vidioc_g_register    = vidioc_g_register,
1255	.vidioc_s_register    = vidioc_s_register,
1256#endif
1257};
1258
1259static const struct video_device cx8800_radio_template = {
1260	.name                 = "cx8800-radio",
1261	.fops                 = &radio_fops,
1262	.ioctl_ops 	      = &radio_ioctl_ops,
1263};
1264
1265static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1266	.s_ctrl = cx8800_s_vid_ctrl,
1267};
1268
1269static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1270	.s_ctrl = cx8800_s_aud_ctrl,
1271};
1272
1273/* ----------------------------------------------------------- */
1274
1275static void cx8800_unregister_video(struct cx8800_dev *dev)
1276{
1277	video_unregister_device(&dev->radio_dev);
1278	video_unregister_device(&dev->vbi_dev);
1279	video_unregister_device(&dev->video_dev);
1280}
1281
1282static int cx8800_initdev(struct pci_dev *pci_dev,
1283			  const struct pci_device_id *pci_id)
1284{
1285	struct cx8800_dev *dev;
1286	struct cx88_core *core;
1287	struct vb2_queue *q;
1288	int err;
1289	int i;
1290
1291	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1292	if (NULL == dev)
1293		return -ENOMEM;
1294
1295	/* pci init */
1296	dev->pci = pci_dev;
1297	if (pci_enable_device(pci_dev)) {
1298		err = -EIO;
1299		goto fail_free;
1300	}
1301	core = cx88_core_get(dev->pci);
1302	if (NULL == core) {
1303		err = -EINVAL;
1304		goto fail_free;
1305	}
1306	dev->core = core;
1307
1308	/* print pci info */
1309	dev->pci_rev = pci_dev->revision;
1310	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1311	printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1312	       "latency: %d, mmio: 0x%llx\n", core->name,
1313	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1314	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1315
1316	pci_set_master(pci_dev);
1317	if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) {
1318		printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1319		err = -EIO;
1320		goto fail_core;
1321	}
1322	dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
1323	if (IS_ERR(dev->alloc_ctx)) {
1324		err = PTR_ERR(dev->alloc_ctx);
1325		goto fail_core;
1326	}
1327
1328
1329	/* initialize driver struct */
1330	spin_lock_init(&dev->slock);
1331
1332	/* init video dma queues */
1333	INIT_LIST_HEAD(&dev->vidq.active);
1334
1335	/* init vbi dma queues */
1336	INIT_LIST_HEAD(&dev->vbiq.active);
1337
1338	/* get irq */
1339	err = request_irq(pci_dev->irq, cx8800_irq,
1340			  IRQF_SHARED, core->name, dev);
1341	if (err < 0) {
1342		printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1343		       core->name,pci_dev->irq);
1344		goto fail_core;
1345	}
1346	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1347
1348	for (i = 0; i < CX8800_AUD_CTLS; i++) {
1349		const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1350		struct v4l2_ctrl *vc;
1351
1352		vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1353			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1354		if (vc == NULL) {
1355			err = core->audio_hdl.error;
1356			goto fail_core;
1357		}
1358		vc->priv = (void *)cc;
1359	}
1360
1361	for (i = 0; i < CX8800_VID_CTLS; i++) {
1362		const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1363		struct v4l2_ctrl *vc;
1364
1365		vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1366			cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
1367		if (vc == NULL) {
1368			err = core->video_hdl.error;
1369			goto fail_core;
1370		}
1371		vc->priv = (void *)cc;
1372		if (vc->id == V4L2_CID_CHROMA_AGC)
1373			core->chroma_agc = vc;
1374	}
1375	v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1376
1377	/* load and configure helper modules */
1378
1379	if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1380		struct i2c_board_info wm8775_info = {
1381			.type = "wm8775",
1382			.addr = 0x36 >> 1,
1383			.platform_data = &core->wm8775_data,
1384		};
1385		struct v4l2_subdev *sd;
1386
1387		if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1388			core->wm8775_data.is_nova_s = true;
1389		else
1390			core->wm8775_data.is_nova_s = false;
1391
1392		sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1393				&wm8775_info, NULL);
1394		if (sd != NULL) {
1395			core->sd_wm8775 = sd;
1396			sd->grp_id = WM8775_GID;
1397		}
1398	}
1399
1400	if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1401		/* This probes for a tda9874 as is used on some
1402		   Pixelview Ultra boards. */
1403		v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1404				"tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1405	}
1406
1407	switch (core->boardnr) {
1408	case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1409	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1410		static const struct i2c_board_info rtc_info = {
1411			I2C_BOARD_INFO("isl1208", 0x6f)
1412		};
1413
1414		request_module("rtc-isl1208");
1415		core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1416	}
1417		/* break intentionally omitted */
1418	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1419		request_module("ir-kbd-i2c");
1420	}
1421
1422	/* Sets device info at pci_dev */
1423	pci_set_drvdata(pci_dev, dev);
1424
1425	dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1426
1427	/* Maintain a reference so cx88-blackbird can query the 8800 device. */
1428	core->v4ldev = dev;
1429
1430	/* initial device configuration */
1431	mutex_lock(&core->lock);
1432	cx88_set_tvnorm(core, core->tvnorm);
1433	v4l2_ctrl_handler_setup(&core->video_hdl);
1434	v4l2_ctrl_handler_setup(&core->audio_hdl);
1435	cx88_video_mux(core, 0);
1436
1437	q = &dev->vb2_vidq;
1438	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1439	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1440	q->gfp_flags = GFP_DMA32;
1441	q->min_buffers_needed = 2;
1442	q->drv_priv = dev;
1443	q->buf_struct_size = sizeof(struct cx88_buffer);
1444	q->ops = &cx8800_video_qops;
1445	q->mem_ops = &vb2_dma_sg_memops;
1446	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1447	q->lock = &core->lock;
1448
1449	err = vb2_queue_init(q);
1450	if (err < 0)
1451		goto fail_unreg;
1452
1453	q = &dev->vb2_vbiq;
1454	q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1455	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1456	q->gfp_flags = GFP_DMA32;
1457	q->min_buffers_needed = 2;
1458	q->drv_priv = dev;
1459	q->buf_struct_size = sizeof(struct cx88_buffer);
1460	q->ops = &cx8800_vbi_qops;
1461	q->mem_ops = &vb2_dma_sg_memops;
1462	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1463	q->lock = &core->lock;
1464
1465	err = vb2_queue_init(q);
1466	if (err < 0)
1467		goto fail_unreg;
1468
1469	/* register v4l devices */
1470	cx88_vdev_init(core, dev->pci, &dev->video_dev,
1471		       &cx8800_video_template, "video");
1472	video_set_drvdata(&dev->video_dev, dev);
1473	dev->video_dev.ctrl_handler = &core->video_hdl;
1474	dev->video_dev.queue = &dev->vb2_vidq;
1475	err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1476				    video_nr[core->nr]);
1477	if (err < 0) {
1478		printk(KERN_ERR "%s/0: can't register video device\n",
1479		       core->name);
1480		goto fail_unreg;
1481	}
1482	printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1483	       core->name, video_device_node_name(&dev->video_dev));
1484
1485	cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1486		       &cx8800_vbi_template, "vbi");
1487	video_set_drvdata(&dev->vbi_dev, dev);
1488	dev->vbi_dev.queue = &dev->vb2_vbiq;
1489	err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1490				    vbi_nr[core->nr]);
1491	if (err < 0) {
1492		printk(KERN_ERR "%s/0: can't register vbi device\n",
1493		       core->name);
1494		goto fail_unreg;
1495	}
1496	printk(KERN_INFO "%s/0: registered device %s\n",
1497	       core->name, video_device_node_name(&dev->vbi_dev));
1498
1499	if (core->board.radio.type == CX88_RADIO) {
1500		cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1501			       &cx8800_radio_template, "radio");
1502		video_set_drvdata(&dev->radio_dev, dev);
1503		dev->radio_dev.ctrl_handler = &core->audio_hdl;
1504		err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1505					    radio_nr[core->nr]);
1506		if (err < 0) {
1507			printk(KERN_ERR "%s/0: can't register radio device\n",
1508			       core->name);
1509			goto fail_unreg;
1510		}
1511		printk(KERN_INFO "%s/0: registered device %s\n",
1512		       core->name, video_device_node_name(&dev->radio_dev));
1513	}
1514
1515	/* start tvaudio thread */
1516	if (core->board.tuner_type != UNSET) {
1517		core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1518		if (IS_ERR(core->kthread)) {
1519			err = PTR_ERR(core->kthread);
1520			printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1521			       core->name, err);
1522		}
1523	}
1524	mutex_unlock(&core->lock);
1525
1526	return 0;
1527
1528fail_unreg:
1529	cx8800_unregister_video(dev);
1530	free_irq(pci_dev->irq, dev);
1531	mutex_unlock(&core->lock);
1532fail_core:
1533	vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1534	core->v4ldev = NULL;
1535	cx88_core_put(core,dev->pci);
1536fail_free:
1537	kfree(dev);
1538	return err;
1539}
1540
1541static void cx8800_finidev(struct pci_dev *pci_dev)
1542{
1543	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1544	struct cx88_core *core = dev->core;
1545
1546	/* stop thread */
1547	if (core->kthread) {
1548		kthread_stop(core->kthread);
1549		core->kthread = NULL;
1550	}
1551
1552	if (core->ir)
1553		cx88_ir_stop(core);
1554
1555	cx88_shutdown(core); /* FIXME */
1556
1557	/* unregister stuff */
1558
1559	free_irq(pci_dev->irq, dev);
1560	cx8800_unregister_video(dev);
1561	pci_disable_device(pci_dev);
1562
1563	core->v4ldev = NULL;
1564
1565	/* free memory */
1566	cx88_core_put(core,dev->pci);
1567	vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1568	kfree(dev);
1569}
1570
1571#ifdef CONFIG_PM
1572static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1573{
1574	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1575	struct cx88_core *core = dev->core;
1576	unsigned long flags;
1577
1578	/* stop video+vbi capture */
1579	spin_lock_irqsave(&dev->slock, flags);
1580	if (!list_empty(&dev->vidq.active)) {
1581		printk("%s/0: suspend video\n", core->name);
1582		stop_video_dma(dev);
1583	}
1584	if (!list_empty(&dev->vbiq.active)) {
1585		printk("%s/0: suspend vbi\n", core->name);
1586		cx8800_stop_vbi_dma(dev);
1587	}
1588	spin_unlock_irqrestore(&dev->slock, flags);
1589
1590	if (core->ir)
1591		cx88_ir_stop(core);
1592	/* FIXME -- shutdown device */
1593	cx88_shutdown(core);
1594
1595	pci_save_state(pci_dev);
1596	if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1597		pci_disable_device(pci_dev);
1598		dev->state.disabled = 1;
1599	}
1600	return 0;
1601}
1602
1603static int cx8800_resume(struct pci_dev *pci_dev)
1604{
1605	struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1606	struct cx88_core *core = dev->core;
1607	unsigned long flags;
1608	int err;
1609
1610	if (dev->state.disabled) {
1611		err=pci_enable_device(pci_dev);
1612		if (err) {
1613			printk(KERN_ERR "%s/0: can't enable device\n",
1614			       core->name);
1615			return err;
1616		}
1617
1618		dev->state.disabled = 0;
1619	}
1620	err= pci_set_power_state(pci_dev, PCI_D0);
1621	if (err) {
1622		printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1623		pci_disable_device(pci_dev);
1624		dev->state.disabled = 1;
1625
1626		return err;
1627	}
1628	pci_restore_state(pci_dev);
1629
1630	/* FIXME: re-initialize hardware */
1631	cx88_reset(core);
1632	if (core->ir)
1633		cx88_ir_start(core);
1634
1635	cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1636
1637	/* restart video+vbi capture */
1638	spin_lock_irqsave(&dev->slock, flags);
1639	if (!list_empty(&dev->vidq.active)) {
1640		printk("%s/0: resume video\n", core->name);
1641		restart_video_queue(dev,&dev->vidq);
1642	}
1643	if (!list_empty(&dev->vbiq.active)) {
1644		printk("%s/0: resume vbi\n", core->name);
1645		cx8800_restart_vbi_queue(dev,&dev->vbiq);
1646	}
1647	spin_unlock_irqrestore(&dev->slock, flags);
1648
1649	return 0;
1650}
1651#endif
1652
1653/* ----------------------------------------------------------- */
1654
1655static const struct pci_device_id cx8800_pci_tbl[] = {
1656	{
1657		.vendor       = 0x14f1,
1658		.device       = 0x8800,
1659		.subvendor    = PCI_ANY_ID,
1660		.subdevice    = PCI_ANY_ID,
1661	},{
1662		/* --- end of list --- */
1663	}
1664};
1665MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1666
1667static struct pci_driver cx8800_pci_driver = {
1668	.name     = "cx8800",
1669	.id_table = cx8800_pci_tbl,
1670	.probe    = cx8800_initdev,
1671	.remove   = cx8800_finidev,
1672#ifdef CONFIG_PM
1673	.suspend  = cx8800_suspend,
1674	.resume   = cx8800_resume,
1675#endif
1676};
1677
1678module_pci_driver(cx8800_pci_driver);
1679