1	// SPDX-License-Identifier: GPL-2.0-or-later
2	/*
3	* Zoran zr36057/zr36067 PCI controller driver, for the
4	* Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
5	* Media Labs LML33/LML33R10.
6	*
7	* This part handles card-specific data and detection
8	*
9	* Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
10	*/
11
12	#include <linux/delay.h>
13	#include <linux/kernel.h>
14	#include <linux/module.h>
15	#include <linux/slab.h>
16
17	#include <linux/i2c.h>
18	#include <linux/i2c-algo-bit.h>
19	#include <linux/videodev2.h>
20	#include <linux/spinlock.h>
21
22	#include <linux/pci.h>
23	#include <linux/interrupt.h>
24	#include <linux/io.h>
25	#include <media/v4l2-common.h>
26	#include <media/i2c/bt819.h>
27
28	#include "videocodec.h"
29	#include "zoran.h"
30	#include "zoran_card.h"
31	#include "zoran_device.h"
32	#include "zr36016.h"
33	#include "zr36050.h"
34	#include "zr36060.h"
35
36	extern const struct zoran_format zoran_formats[];
37
38	static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
39	module_param_array(card, int, NULL, 0444);
40	MODULE_PARM_DESC(card, "Card type");
41
42	/* Default input and video norm at startup of the driver. */
43
44	static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */
45	module_param(default_input, uint, 0444);
46	MODULE_PARM_DESC(default_input,
47	"Default input (0=Composite, 1=S-Video, 2=Internal)");
48
49	static int default_mux = 1; /* 6 Eyes input selection */
50	module_param(default_mux, int, 0644);
51	MODULE_PARM_DESC(default_mux,
52	"Default 6 Eyes mux setting (Input selection)");
53
54	static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */
55	module_param(default_norm, int, 0444);
56	MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)");
57
58	/* /dev/videoN, -1 for autodetect */
59	static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 };
60	module_param_array(video_nr, int, NULL, 0444);
61	MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)");
62
63	/* 1=Pass through TV signal when device is not used */
64	/* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */
65	int pass_through;
66	module_param(pass_through, int, 0644);
67	MODULE_PARM_DESC(pass_through,
68	"Pass TV signal through to TV-out when idling");
69
70	int zr36067_debug = 1;
71	module_param_named(debug, zr36067_debug, int, 0644);
72	MODULE_PARM_DESC(debug, "Debug level (0-5)");
73
74	#define ZORAN_VERSION "0.10.1"
75
76	MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver");
77	MODULE_AUTHOR("Serguei Miridonov");
78	MODULE_LICENSE("GPL");
79	MODULE_VERSION(ZORAN_VERSION);
80
81	#define ZR_DEVICE(subven, subdev, data) { \
82	.vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \
83	.subvendor = (subven), .subdevice = (subdev), .driver_data = (data) }
84
85	static const struct pci_device_id zr36067_pci_tbl[] = {
86	ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS),
87	ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS),
88	ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10),
89	ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ),
90	ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS),
91	{0}
92	};
93	MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl);
94
95	static unsigned int zoran_num; /* number of cards found */
96
97	/* videocodec bus functions ZR36060 */
98	static u32 zr36060_read(struct videocodec *codec, u16 reg)
99	{
100	struct zoran *zr = (struct zoran *)codec->master_data->data;
101	__u32 data;
102
103	if (post_office_wait(zr) || post_office_write(zr, guest: 0, reg: 1, value: reg >> 8) ||
104	post_office_write(zr, guest: 0, reg: 2, value: reg & 0xff))
105	return -1;
106
107	data = post_office_read(zr, guest: 0, reg: 3) & 0xff;
108	return data;
109	}
110
111	static void zr36060_write(struct videocodec *codec, u16 reg, u32 val)
112	{
113	struct zoran *zr = (struct zoran *)codec->master_data->data;
114
115	if (post_office_wait(zr) || post_office_write(zr, guest: 0, reg: 1, value: reg >> 8) ||
116	post_office_write(zr, guest: 0, reg: 2, value: reg & 0xff))
117	return;
118
119	post_office_write(zr, guest: 0, reg: 3, value: val & 0xff);
120	}
121
122	/* videocodec bus functions ZR36050 */
123	static u32 zr36050_read(struct videocodec *codec, u16 reg)
124	{
125	struct zoran *zr = (struct zoran *)codec->master_data->data;
126	__u32 data;
127
128	if (post_office_wait(zr) || post_office_write(zr, guest: 1, reg: 0, value: reg >> 2)) // reg. HIGHBYTES
129	return -1;
130
131	data = post_office_read(zr, guest: 0, reg: reg & 0x03) & 0xff; // reg. LOWBYTES + read
132	return data;
133	}
134
135	static void zr36050_write(struct videocodec *codec, u16 reg, u32 val)
136	{
137	struct zoran *zr = (struct zoran *)codec->master_data->data;
138
139	if (post_office_wait(zr) || post_office_write(zr, guest: 1, reg: 0, value: reg >> 2)) // reg. HIGHBYTES
140	return;
141
142	post_office_write(zr, guest: 0, reg: reg & 0x03, value: val & 0xff); // reg. LOWBYTES + wr. data
143	}
144
145	/* videocodec bus functions ZR36016 */
146	static u32 zr36016_read(struct videocodec *codec, u16 reg)
147	{
148	struct zoran *zr = (struct zoran *)codec->master_data->data;
149	__u32 data;
150
151	if (post_office_wait(zr))
152	return -1;
153
154	data = post_office_read(zr, guest: 2, reg: reg & 0x03) & 0xff; // read
155	return data;
156	}
157
158	/* hack for in zoran_device.c */
159	void zr36016_write(struct videocodec *codec, u16 reg, u32 val)
160	{
161	struct zoran *zr = (struct zoran *)codec->master_data->data;
162
163	if (post_office_wait(zr))
164	return;
165
166	post_office_write(zr, guest: 2, reg: reg & 0x03, value: val & 0x0ff); // wr. data
167	}
168
169	/*
170	* Board specific information
171	*/
172
173	static void dc10_init(struct zoran *zr)
174	{
175	/* Pixel clock selection */
176	GPIO(zr, bit: 4, value: 0);
177	GPIO(zr, bit: 5, value: 1);
178	/* Enable the video bus sync signals */
179	GPIO(zr, bit: 7, value: 0);
180	}
181
182	static void dc10plus_init(struct zoran *zr)
183	{
184	}
185
186	static void buz_init(struct zoran *zr)
187	{
188	/* some stuff from Iomega */
189	pci_write_config_dword(dev: zr->pci_dev, where: 0xfc, val: 0x90680f15);
190	pci_write_config_dword(dev: zr->pci_dev, where: 0x0c, val: 0x00012020);
191	pci_write_config_dword(dev: zr->pci_dev, where: 0xe8, val: 0xc0200000);
192	}
193
194	static void lml33_init(struct zoran *zr)
195	{
196	GPIO(zr, bit: 2, value: 1); // Set Composite input/output
197	}
198
199	static void avs6eyes_init(struct zoran *zr)
200	{
201	// AverMedia 6-Eyes original driver by Christer Weinigel
202
203	// Lifted straight from Christer's old driver and
204	// modified slightly by Martin Samuelsson.
205
206	int mux = default_mux; /* 1 = BT866, 7 = VID1 */
207
208	GPIO(zr, bit: 4, value: 1); /* Bt866 SLEEP on */
209	udelay(2);
210
211	GPIO(zr, bit: 0, value: 1); /* ZR36060 /RESET on */
212	GPIO(zr, bit: 1, value: 0); /* ZR36060 /SLEEP on */
213	GPIO(zr, bit: 2, value: mux & 1); /* MUX S0 */
214	GPIO(zr, bit: 3, value: 0); /* /FRAME on */
215	GPIO(zr, bit: 4, value: 0); /* Bt866 SLEEP off */
216	GPIO(zr, bit: 5, value: mux & 2); /* MUX S1 */
217	GPIO(zr, bit: 6, value: 0); /* ? */
218	GPIO(zr, bit: 7, value: mux & 4); /* MUX S2 */
219	}
220
221	static const char *codecid_to_modulename(u16 codecid)
222	{
223	const char *name = NULL;
224
225	switch (codecid) {
226	case CODEC_TYPE_ZR36060:
227	name = "zr36060";
228	break;
229	case CODEC_TYPE_ZR36050:
230	name = "zr36050";
231	break;
232	case CODEC_TYPE_ZR36016:
233	name = "zr36016";
234	break;
235	}
236
237	return name;
238	}
239
240	static int codec_init(struct zoran *zr, u16 codecid)
241	{
242	switch (codecid) {
243	case CODEC_TYPE_ZR36060:
244	#ifdef CONFIG_VIDEO_ZORAN_ZR36060
245	return zr36060_init_module();
246	#else
247	pci_err(zr->pci_dev, "ZR36060 support is not enabled\n");
248	return -EINVAL;
249	#endif
250	break;
251	case CODEC_TYPE_ZR36050:
252	#ifdef CONFIG_VIDEO_ZORAN_DC30
253	return zr36050_init_module();
254	#else
255	pci_err(zr->pci_dev, "ZR36050 support is not enabled\n");
256	return -EINVAL;
257	#endif
258	break;
259	case CODEC_TYPE_ZR36016:
260	#ifdef CONFIG_VIDEO_ZORAN_DC30
261	return zr36016_init_module();
262	#else
263	pci_err(zr->pci_dev, "ZR36016 support is not enabled\n");
264	return -EINVAL;
265	#endif
266	break;
267	}
268
269	pci_err(zr->pci_dev, "unknown codec id %x\n", codecid);
270	return -EINVAL;
271	}
272
273	static void codec_exit(struct zoran *zr, u16 codecid)
274	{
275	switch (codecid) {
276	case CODEC_TYPE_ZR36060:
277	#ifdef CONFIG_VIDEO_ZORAN_ZR36060
278	zr36060_cleanup_module();
279	#endif
280	break;
281	case CODEC_TYPE_ZR36050:
282	#ifdef CONFIG_VIDEO_ZORAN_DC30
283	zr36050_cleanup_module();
284	#endif
285	break;
286	case CODEC_TYPE_ZR36016:
287	#ifdef CONFIG_VIDEO_ZORAN_DC30
288	zr36016_cleanup_module();
289	#endif
290	break;
291	}
292	}
293
294	static int videocodec_init(struct zoran *zr)
295	{
296	const char *codec_name, *vfe_name;
297	int result;
298
299	codec_name = codecid_to_modulename(codecid: zr->card.video_codec);
300	if (codec_name) {
301	result = codec_init(zr, codecid: zr->card.video_codec);
302	if (result < 0) {
303	pci_err(zr->pci_dev, "failed to load video codec %s: %d\n",
304	codec_name, result);
305	return result;
306	}
307	}
308	vfe_name = codecid_to_modulename(codecid: zr->card.video_vfe);
309	if (vfe_name) {
310	result = codec_init(zr, codecid: zr->card.video_vfe);
311	if (result < 0) {
312	pci_err(zr->pci_dev, "failed to load video vfe %s: %d\n",
313	vfe_name, result);
314	if (codec_name)
315	codec_exit(zr, codecid: zr->card.video_codec);
316	return result;
317	}
318	}
319	return 0;
320	}
321
322	static void videocodec_exit(struct zoran *zr)
323	{
324	if (zr->card.video_codec != CODEC_TYPE_NONE)
325	codec_exit(zr, codecid: zr->card.video_codec);
326	if (zr->card.video_vfe != CODEC_TYPE_NONE)
327	codec_exit(zr, codecid: zr->card.video_vfe);
328	}
329
330	static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 };
331	static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 };
332	static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 };
333	static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 };
334
335	static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 };
336	static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 };
337
338	/* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */
339	static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 };
340	static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 };
341
342	/*
343	* FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74)
344	* (Maxim Yevtyushkin <max@linuxmedialabs.com>)
345	*/
346	static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 };
347	static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 };
348
349	/*
350	* FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left
351	* shift hack for the 6 Eyes.
352	*
353	* Christer's driver used the unshifted norms, though...
354	* /Sam
355	*/
356	static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 };
357	static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 };
358
359	static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END };
360	static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END };
361	static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END };
362	static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END };
363	static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END };
364	static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END };
365	static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END };
366	static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END };
367	static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END };
368	static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END };
369
370	static struct card_info zoran_cards[NUM_CARDS] = {
371	{
372	.type = DC10_OLD,
373	.name = "DC10(old)",
374	.i2c_decoder = "vpx3220a",
375	.addrs_decoder = vpx3220_addrs,
376	.video_codec = CODEC_TYPE_ZR36050,
377	.video_vfe = CODEC_TYPE_ZR36016,
378
379	.inputs = 3,
380	.input = {
381	{ 1, "Composite" },
382	{ 2, "S-Video" },
383	{ 0, "Internal/comp" }
384	},
385	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
386	.tvn = {
387	&f50sqpixel_dc10,
388	&f60sqpixel_dc10,
389	&f50sqpixel_dc10
390	},
391	.jpeg_int = 0,
392	.vsync_int = ZR36057_ISR_GIRQ1,
393	.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
394	.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
395	.gpcs = { -1, 0 },
396	.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
397	.gws_not_connected = 0,
398	.input_mux = 0,
399	.init = &dc10_init,
400	}, {
401	.type = DC10_NEW,
402	.name = "DC10(new)",
403	.i2c_decoder = "saa7110",
404	.addrs_decoder = saa7110_addrs,
405	.i2c_encoder = "adv7175",
406	.addrs_encoder = adv717x_addrs,
407	.video_codec = CODEC_TYPE_ZR36060,
408
409	.inputs = 3,
410	.input = {
411	{ 0, "Composite" },
412	{ 7, "S-Video" },
413	{ 5, "Internal/comp" }
414	},
415	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
416	.tvn = {
417	&f50sqpixel,
418	&f60sqpixel,
419	&f50sqpixel},
420	.jpeg_int = ZR36057_ISR_GIRQ0,
421	.vsync_int = ZR36057_ISR_GIRQ1,
422	.gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
423	.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
424	.gpcs = { -1, 1},
425	.vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
426	.gws_not_connected = 0,
427	.input_mux = 0,
428	.init = &dc10plus_init,
429	}, {
430	.type = DC10_PLUS,
431	.name = "DC10_PLUS",
432	.i2c_decoder = "saa7110",
433	.addrs_decoder = saa7110_addrs,
434	.i2c_encoder = "adv7175",
435	.addrs_encoder = adv717x_addrs,
436	.video_codec = CODEC_TYPE_ZR36060,
437
438	.inputs = 3,
439	.input = {
440	{ 0, "Composite" },
441	{ 7, "S-Video" },
442	{ 5, "Internal/comp" }
443	},
444	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
445	.tvn = {
446	&f50sqpixel,
447	&f60sqpixel,
448	&f50sqpixel
449	},
450	.jpeg_int = ZR36057_ISR_GIRQ0,
451	.vsync_int = ZR36057_ISR_GIRQ1,
452	.gpio = { 3, 0, 6, 1, 2, -1, 4, 5 },
453	.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
454	.gpcs = { -1, 1 },
455	.vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 },
456	.gws_not_connected = 0,
457	.input_mux = 0,
458	.init = &dc10plus_init,
459	}, {
460	.type = DC30,
461	.name = "DC30",
462	.i2c_decoder = "vpx3220a",
463	.addrs_decoder = vpx3220_addrs,
464	.i2c_encoder = "adv7175",
465	.addrs_encoder = adv717x_addrs,
466	.video_codec = CODEC_TYPE_ZR36050,
467	.video_vfe = CODEC_TYPE_ZR36016,
468
469	.inputs = 3,
470	.input = {
471	{ 1, "Composite" },
472	{ 2, "S-Video" },
473	{ 0, "Internal/comp" }
474	},
475	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
476	.tvn = {
477	&f50sqpixel_dc10,
478	&f60sqpixel_dc10,
479	&f50sqpixel_dc10
480	},
481	.jpeg_int = 0,
482	.vsync_int = ZR36057_ISR_GIRQ1,
483	.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
484	.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
485	.gpcs = { -1, 0 },
486	.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
487	.gws_not_connected = 0,
488	.input_mux = 0,
489	.init = &dc10_init,
490	}, {
491	.type = DC30_PLUS,
492	.name = "DC30_PLUS",
493	.i2c_decoder = "vpx3220a",
494	.addrs_decoder = vpx3220_addrs,
495	.i2c_encoder = "adv7175",
496	.addrs_encoder = adv717x_addrs,
497	.video_codec = CODEC_TYPE_ZR36050,
498	.video_vfe = CODEC_TYPE_ZR36016,
499
500	.inputs = 3,
501	.input = {
502	{ 1, "Composite" },
503	{ 2, "S-Video" },
504	{ 0, "Internal/comp" }
505	},
506	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
507	.tvn = {
508	&f50sqpixel_dc10,
509	&f60sqpixel_dc10,
510	&f50sqpixel_dc10
511	},
512	.jpeg_int = 0,
513	.vsync_int = ZR36057_ISR_GIRQ1,
514	.gpio = { 2, 1, -1, 3, 7, 0, 4, 5 },
515	.gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 },
516	.gpcs = { -1, 0 },
517	.vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
518	.gws_not_connected = 0,
519	.input_mux = 0,
520	.init = &dc10_init,
521	}, {
522	.type = LML33,
523	.name = "LML33",
524	.i2c_decoder = "bt819a",
525	.addrs_decoder = bt819_addrs,
526	.i2c_encoder = "bt856",
527	.addrs_encoder = bt856_addrs,
528	.video_codec = CODEC_TYPE_ZR36060,
529
530	.inputs = 2,
531	.input = {
532	{ 0, "Composite" },
533	{ 7, "S-Video" }
534	},
535	.norms = V4L2_STD_NTSC | V4L2_STD_PAL,
536	.tvn = {
537	&f50ccir601_lml33,
538	&f60ccir601_lml33,
539	NULL
540	},
541	.jpeg_int = ZR36057_ISR_GIRQ1,
542	.vsync_int = ZR36057_ISR_GIRQ0,
543	.gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
544	.gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
545	.gpcs = { 3, 1 },
546	.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
547	.gws_not_connected = 1,
548	.input_mux = 0,
549	.init = &lml33_init,
550	}, {
551	.type = LML33R10,
552	.name = "LML33R10",
553	.i2c_decoder = "saa7114",
554	.addrs_decoder = saa7114_addrs,
555	.i2c_encoder = "adv7170",
556	.addrs_encoder = adv717x_addrs,
557	.video_codec = CODEC_TYPE_ZR36060,
558
559	.inputs = 2,
560	.input = {
561	{ 0, "Composite" },
562	{ 7, "S-Video" }
563	},
564	.norms = V4L2_STD_NTSC | V4L2_STD_PAL,
565	.tvn = {
566	&f50ccir601_lm33r10,
567	&f60ccir601_lm33r10,
568	NULL
569	},
570	.jpeg_int = ZR36057_ISR_GIRQ1,
571	.vsync_int = ZR36057_ISR_GIRQ0,
572	.gpio = { 1, -1, 3, 5, 7, -1, -1, -1 },
573	.gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 },
574	.gpcs = { 3, 1 },
575	.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
576	.gws_not_connected = 1,
577	.input_mux = 0,
578	.init = &lml33_init,
579	}, {
580	.type = BUZ,
581	.name = "Buz",
582	.i2c_decoder = "saa7111",
583	.addrs_decoder = saa7111_addrs,
584	.i2c_encoder = "saa7185",
585	.addrs_encoder = saa7185_addrs,
586	.video_codec = CODEC_TYPE_ZR36060,
587
588	.inputs = 2,
589	.input = {
590	{ 3, "Composite" },
591	{ 7, "S-Video" }
592	},
593	.norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
594	.tvn = {
595	&f50ccir601,
596	&f60ccir601,
597	&f50ccir601
598	},
599	.jpeg_int = ZR36057_ISR_GIRQ1,
600	.vsync_int = ZR36057_ISR_GIRQ0,
601	.gpio = { 1, -1, 3, -1, -1, -1, -1, -1 },
602	.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 },
603	.gpcs = { 3, 1 },
604	.vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 },
605	.gws_not_connected = 1,
606	.input_mux = 0,
607	.init = &buz_init,
608	}, {
609	.type = AVS6EYES,
610	.name = "6-Eyes",
611	/*
612	* AverMedia chose not to brand the 6-Eyes. Thus it can't be
613	* autodetected, and requires card=x.
614	*/
615	.i2c_decoder = "ks0127",
616	.addrs_decoder = ks0127_addrs,
617	.i2c_encoder = "bt866",
618	.addrs_encoder = bt866_addrs,
619	.video_codec = CODEC_TYPE_ZR36060,
620
621	.inputs = 10,
622	.input = {
623	{ 0, "Composite 1" },
624	{ 1, "Composite 2" },
625	{ 2, "Composite 3" },
626	{ 4, "Composite 4" },
627	{ 5, "Composite 5" },
628	{ 6, "Composite 6" },
629	{ 8, "S-Video 1" },
630	{ 9, "S-Video 2" },
631	{10, "S-Video 3" },
632	{15, "YCbCr" }
633	},
634	.norms = V4L2_STD_NTSC | V4L2_STD_PAL,
635	.tvn = {
636	&f50ccir601_avs6eyes,
637	&f60ccir601_avs6eyes,
638	NULL
639	},
640	.jpeg_int = ZR36057_ISR_GIRQ1,
641	.vsync_int = ZR36057_ISR_GIRQ0,
642	.gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam
643	.gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam
644	.gpcs = { 3, 1 }, // Validity unknown /Sam
645	.vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam
646	.gws_not_connected = 1,
647	.input_mux = 1,
648	.init = &avs6eyes_init,
649	}
650
651	};
652
653	/*
654	* I2C functions
655	*/
656	/* software I2C functions */
657	static int zoran_i2c_getsda(void *data)
658	{
659	struct zoran *zr = (struct zoran *)data;
660
661	return (btread(ZR36057_I2CBR) >> 1) & 1;
662	}
663
664	static int zoran_i2c_getscl(void *data)
665	{
666	struct zoran *zr = (struct zoran *)data;
667
668	return btread(ZR36057_I2CBR) & 1;
669	}
670
671	static void zoran_i2c_setsda(void *data, int state)
672	{
673	struct zoran *zr = (struct zoran *)data;
674
675	if (state)
676	zr->i2cbr |= 2;
677	else
678	zr->i2cbr &= ~2;
679	btwrite(zr->i2cbr, ZR36057_I2CBR);
680	}
681
682	static void zoran_i2c_setscl(void *data, int state)
683	{
684	struct zoran *zr = (struct zoran *)data;
685
686	if (state)
687	zr->i2cbr |= 1;
688	else
689	zr->i2cbr &= ~1;
690	btwrite(zr->i2cbr, ZR36057_I2CBR);
691	}
692
693	static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = {
694	.setsda = zoran_i2c_setsda,
695	.setscl = zoran_i2c_setscl,
696	.getsda = zoran_i2c_getsda,
697	.getscl = zoran_i2c_getscl,
698	.udelay = 10,
699	.timeout = 100,
700	};
701
702	static int zoran_register_i2c(struct zoran *zr)
703	{
704	zr->i2c_algo = zoran_i2c_bit_data_template;
705	zr->i2c_algo.data = zr;
706	strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr),
707	sizeof(zr->i2c_adapter.name));
708	i2c_set_adapdata(adap: &zr->i2c_adapter, data: &zr->v4l2_dev);
709	zr->i2c_adapter.algo_data = &zr->i2c_algo;
710	zr->i2c_adapter.dev.parent = &zr->pci_dev->dev;
711	return i2c_bit_add_bus(&zr->i2c_adapter);
712	}
713
714	static void zoran_unregister_i2c(struct zoran *zr)
715	{
716	i2c_del_adapter(adap: &zr->i2c_adapter);
717	}
718
719	/* Check a zoran_params struct for correctness, insert default params */
720	int zoran_check_jpg_settings(struct zoran *zr,
721	struct zoran_jpg_settings *settings, int try)
722	{
723	int err = 0, err0 = 0;
724
725	pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n",
726	__func__, settings->decimation, settings->hor_dcm,
727	settings->ver_dcm, settings->tmp_dcm);
728	pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__,
729	settings->img_x, settings->img_y,
730	settings->img_width, settings->img_height);
731	/* Check decimation, set default values for decimation = 1, 2, 4 */
732	switch (settings->decimation) {
733	case 1:
734
735	settings->hor_dcm = 1;
736	settings->ver_dcm = 1;
737	settings->tmp_dcm = 1;
738	settings->field_per_buff = 2;
739	settings->img_x = 0;
740	settings->img_y = 0;
741	settings->img_width = BUZ_MAX_WIDTH;
742	settings->img_height = BUZ_MAX_HEIGHT / 2;
743	break;
744	case 2:
745
746	settings->hor_dcm = 2;
747	settings->ver_dcm = 1;
748	settings->tmp_dcm = 2;
749	settings->field_per_buff = 1;
750	settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
751	settings->img_y = 0;
752	settings->img_width =
753	(BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
754	settings->img_height = BUZ_MAX_HEIGHT / 2;
755	break;
756	case 4:
757
758	if (zr->card.type == DC10_NEW) {
759	pci_dbg(zr->pci_dev,
760	"%s - HDec by 4 is not supported on the DC10\n",
761	__func__);
762	err0++;
763	break;
764	}
765
766	settings->hor_dcm = 4;
767	settings->ver_dcm = 2;
768	settings->tmp_dcm = 2;
769	settings->field_per_buff = 1;
770	settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
771	settings->img_y = 0;
772	settings->img_width =
773	(BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
774	settings->img_height = BUZ_MAX_HEIGHT / 2;
775	break;
776	case 0:
777
778	/* We have to check the data the user has set */
779
780	if (settings->hor_dcm != 1 && settings->hor_dcm != 2 &&
781	(zr->card.type == DC10_NEW || settings->hor_dcm != 4)) {
782	settings->hor_dcm = clamp(settings->hor_dcm, 1, 2);
783	err0++;
784	}
785	if (settings->ver_dcm != 1 && settings->ver_dcm != 2) {
786	settings->ver_dcm = clamp(settings->ver_dcm, 1, 2);
787	err0++;
788	}
789	if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) {
790	settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2);
791	err0++;
792	}
793	if (settings->field_per_buff != 1 &&
794	settings->field_per_buff != 2) {
795	settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
796	err0++;
797	}
798	if (settings->img_x < 0) {
799	settings->img_x = 0;
800	err0++;
801	}
802	if (settings->img_y < 0) {
803	settings->img_y = 0;
804	err0++;
805	}
806	if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
807	settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
808	err0++;
809	}
810	if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
811	settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
812	err0++;
813	}
814	if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
815	settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
816	err0++;
817	}
818	if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
819	settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
820	err0++;
821	}
822	if (settings->img_width % (16 * settings->hor_dcm) != 0) {
823	settings->img_width -= settings->img_width % (16 * settings->hor_dcm);
824	if (settings->img_width == 0)
825	settings->img_width = 16 * settings->hor_dcm;
826	err0++;
827	}
828	if (settings->img_height % (8 * settings->ver_dcm) != 0) {
829	settings->img_height -= settings->img_height % (8 * settings->ver_dcm);
830	if (settings->img_height == 0)
831	settings->img_height = 8 * settings->ver_dcm;
832	err0++;
833	}
834
835	if (!try && err0) {
836	pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__);
837	err++;
838	}
839	break;
840	default:
841	pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n",
842	__func__, settings->decimation);
843	err++;
844	break;
845	}
846
847	if (settings->jpg_comp.quality > 100)
848	settings->jpg_comp.quality = 100;
849	if (settings->jpg_comp.quality < 5)
850	settings->jpg_comp.quality = 5;
851	if (settings->jpg_comp.APPn < 0)
852	settings->jpg_comp.APPn = 0;
853	if (settings->jpg_comp.APPn > 15)
854	settings->jpg_comp.APPn = 15;
855	if (settings->jpg_comp.APP_len < 0)
856	settings->jpg_comp.APP_len = 0;
857	if (settings->jpg_comp.APP_len > 60)
858	settings->jpg_comp.APP_len = 60;
859	if (settings->jpg_comp.COM_len < 0)
860	settings->jpg_comp.COM_len = 0;
861	if (settings->jpg_comp.COM_len > 60)
862	settings->jpg_comp.COM_len = 60;
863	if (err)
864	return -EINVAL;
865	return 0;
866	}
867
868	static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir)
869	{
870	int err;
871
872	/* Now add the template and register the device unit. */
873	*video_dev = zoran_template;
874	video_dev->v4l2_dev = &zr->v4l2_dev;
875	video_dev->lock = &zr->lock;
876	video_dev->device_caps = V4L2_CAP_STREAMING | dir;
877
878	strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name));
879	video_dev->vfl_dir = VFL_DIR_RX;
880	zoran_queue_init(zr, vq: &zr->vq, dir: V4L2_BUF_TYPE_VIDEO_CAPTURE);
881
882	err = video_register_device(vdev: video_dev, type: VFL_TYPE_VIDEO, nr: video_nr[zr->id]);
883	if (err < 0)
884	return err;
885	video_set_drvdata(vdev: video_dev, data: zr);
886	return 0;
887	}
888
889	static void zoran_exit_video_devices(struct zoran *zr)
890	{
891	video_unregister_device(vdev: zr->video_dev);
892	kfree(objp: zr->video_dev);
893	}
894
895	static int zoran_init_video_devices(struct zoran *zr)
896	{
897	int err;
898
899	zr->video_dev = video_device_alloc();
900	if (!zr->video_dev)
901	return -ENOMEM;
902
903	err = zoran_init_video_device(zr, video_dev: zr->video_dev, V4L2_CAP_VIDEO_CAPTURE);
904	if (err)
905	kfree(objp: zr->video_dev);
906	return err;
907	}
908
909	/*
910	* v4l2_device_unregister() will care about removing zr->encoder/zr->decoder
911	* via v4l2_i2c_subdev_unregister()
912	*/
913	static int zoran_i2c_init(struct zoran *zr)
914	{
915	int err;
916
917	pci_info(zr->pci_dev, "Initializing i2c bus...\n");
918
919	err = zoran_register_i2c(zr);
920	if (err) {
921	pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n", __func__);
922	return err;
923	}
924
925	zr->decoder = v4l2_i2c_new_subdev(v4l2_dev: &zr->v4l2_dev, adapter: &zr->i2c_adapter,
926	client_type: zr->card.i2c_decoder, addr: 0,
927	probe_addrs: zr->card.addrs_decoder);
928	if (!zr->decoder) {
929	pci_err(zr->pci_dev, "Fail to get decoder %s\n", zr->card.i2c_decoder);
930	err = -EINVAL;
931	goto error_decoder;
932	}
933
934	if (zr->card.i2c_encoder) {
935	zr->encoder = v4l2_i2c_new_subdev(v4l2_dev: &zr->v4l2_dev, adapter: &zr->i2c_adapter,
936	client_type: zr->card.i2c_encoder, addr: 0,
937	probe_addrs: zr->card.addrs_encoder);
938	if (!zr->encoder) {
939	pci_err(zr->pci_dev, "Fail to get encoder %s\n", zr->card.i2c_encoder);
940	err = -EINVAL;
941	goto error_decoder;
942	}
943	}
944	return 0;
945
946	error_decoder:
947	zoran_unregister_i2c(zr);
948	return err;
949	}
950
951	static void zoran_i2c_exit(struct zoran *zr)
952	{
953	zoran_unregister_i2c(zr);
954	}
955
956	void zoran_open_init_params(struct zoran *zr)
957	{
958	int i;
959
960	zr->v4l_settings.width = 192;
961	zr->v4l_settings.height = 144;
962	zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */
963	zr->v4l_settings.bytesperline = zr->v4l_settings.width *
964	((zr->v4l_settings.format->depth + 7) / 8);
965
966	/* Set necessary params and call zoran_check_jpg_settings to set the defaults */
967	zr->jpg_settings.decimation = 1;
968	zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */
969	if (zr->card.type != BUZ)
970	zr->jpg_settings.odd_even = 1;
971	else
972	zr->jpg_settings.odd_even = 0;
973	zr->jpg_settings.jpg_comp.APPn = 0;
974	zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */
975	memset(zr->jpg_settings.jpg_comp.APP_data, 0,
976	sizeof(zr->jpg_settings.jpg_comp.APP_data));
977	zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */
978	memset(zr->jpg_settings.jpg_comp.COM_data, 0,
979	sizeof(zr->jpg_settings.jpg_comp.COM_data));
980	zr->jpg_settings.jpg_comp.jpeg_markers =
981	V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT;
982	i = zoran_check_jpg_settings(zr, settings: &zr->jpg_settings, try: 0);
983	if (i)
984	pci_err(zr->pci_dev, "%s internal error\n", __func__);
985
986	zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height;
987
988	clear_interrupt_counters(zr);
989	}
990
991	static int zr36057_init(struct zoran *zr)
992	{
993	int j, err;
994
995	pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id);
996
997	/* Avoid nonsense settings from user for default input/norm */
998	if (default_norm < 0 || default_norm > 2)
999	default_norm = 0;
1000	if (default_norm == 0) {
1001	zr->norm = V4L2_STD_PAL;
1002	zr->timing = zr->card.tvn[ZR_NORM_PAL];
1003	} else if (default_norm == 1) {
1004	zr->norm = V4L2_STD_NTSC;
1005	zr->timing = zr->card.tvn[ZR_NORM_NTSC];
1006	} else {
1007	zr->norm = V4L2_STD_SECAM;
1008	zr->timing = zr->card.tvn[ZR_NORM_SECAM];
1009	}
1010	if (!zr->timing) {
1011	pci_warn(zr->pci_dev,
1012	"%s - default TV standard not supported by hardware. PAL will be used.\n",
1013	__func__);
1014	zr->norm = V4L2_STD_PAL;
1015	zr->timing = zr->card.tvn[ZR_NORM_PAL];
1016	}
1017
1018	if (default_input > zr->card.inputs - 1) {
1019	pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n",
1020	default_input, zr->card.inputs - 1);
1021	default_input = 0;
1022	}
1023	zr->input = default_input;
1024
1025	/* default setup (will be repeated at every open) */
1026	zoran_open_init_params(zr);
1027
1028	/* allocate memory *before* doing anything to the hardware in case allocation fails */
1029	zr->stat_com = dma_alloc_coherent(dev: &zr->pci_dev->dev,
1030	BUZ_NUM_STAT_COM * sizeof(u32),
1031	dma_handle: &zr->p_sc, GFP_KERNEL);
1032	if (!zr->stat_com)
1033	return -ENOMEM;
1034
1035	for (j = 0; j < BUZ_NUM_STAT_COM; j++)
1036	zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */
1037
1038	zr->stat_comb = dma_alloc_coherent(dev: &zr->pci_dev->dev,
1039	BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1040	dma_handle: &zr->p_scb, GFP_KERNEL);
1041	if (!zr->stat_comb) {
1042	err = -ENOMEM;
1043	goto exit_statcom;
1044	}
1045
1046	err = zoran_init_video_devices(zr);
1047	if (err)
1048	goto exit_statcomb;
1049
1050	zoran_init_hardware(zr);
1051	if (!pass_through) {
1052	decoder_call(zr, video, s_stream, 0);
1053	encoder_call(zr, video, s_routing, 2, 0, 0);
1054	}
1055
1056	zr->initialized = 1;
1057	return 0;
1058
1059	exit_statcomb:
1060	dma_free_coherent(dev: &zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1061	cpu_addr: zr->stat_comb, dma_handle: zr->p_scb);
1062	exit_statcom:
1063	dma_free_coherent(dev: &zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1064	cpu_addr: zr->stat_com, dma_handle: zr->p_sc);
1065	return err;
1066	}
1067
1068	static void zoran_remove(struct pci_dev *pdev)
1069	{
1070	struct v4l2_device *v4l2_dev = dev_get_drvdata(dev: &pdev->dev);
1071	struct zoran *zr = to_zoran(v4l2_dev);
1072
1073	if (!zr->initialized)
1074	goto exit_free;
1075
1076	debugfs_remove_recursive(dentry: zr->dbgfs_dir);
1077
1078	zoran_queue_exit(zr);
1079
1080	/* unregister videocodec bus */
1081	if (zr->codec)
1082	videocodec_detach(codec: zr->codec);
1083	if (zr->vfe)
1084	videocodec_detach(codec: zr->vfe);
1085	videocodec_exit(zr);
1086
1087	/* unregister i2c bus */
1088	zoran_i2c_exit(zr);
1089	/* disable PCI bus-mastering */
1090	zoran_set_pci_master(zr, set_master: 0);
1091	/* put chip into reset */
1092	btwrite(0, ZR36057_SPGPPCR);
1093	pci_free_irq(dev: zr->pci_dev, nr: 0, dev_id: zr);
1094	/* unmap and free memory */
1095	dma_free_coherent(dev: &zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32),
1096	cpu_addr: zr->stat_com, dma_handle: zr->p_sc);
1097	dma_free_coherent(dev: &zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2,
1098	cpu_addr: zr->stat_comb, dma_handle: zr->p_scb);
1099	pci_release_regions(pdev);
1100	pci_disable_device(dev: zr->pci_dev);
1101	zoran_exit_video_devices(zr);
1102	exit_free:
1103	v4l2_ctrl_handler_free(hdl: &zr->hdl);
1104	v4l2_device_unregister(v4l2_dev: &zr->v4l2_dev);
1105	}
1106
1107	void zoran_vdev_release(struct video_device *vdev)
1108	{
1109	kfree(objp: vdev);
1110	}
1111
1112	static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr,
1113	int type)
1114	{
1115	struct videocodec_master *m = NULL;
1116
1117	m = devm_kmalloc(dev: &zr->pci_dev->dev, size: sizeof(*m), GFP_KERNEL);
1118	if (!m)
1119	return m;
1120
1121	/*
1122	* magic and type are unused for master struct. Makes sense only at codec structs.
1123	* In the past, .type were initialized to the old V4L1 .hardware value,
1124	* as VID_HARDWARE_ZR36067
1125	*/
1126	m->magic = 0L;
1127	m->type = 0;
1128
1129	m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER;
1130	strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name));
1131	m->data = zr;
1132
1133	switch (type) {
1134	case CODEC_TYPE_ZR36060:
1135	m->readreg = zr36060_read;
1136	m->writereg = zr36060_write;
1137	m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE;
1138	break;
1139	case CODEC_TYPE_ZR36050:
1140	m->readreg = zr36050_read;
1141	m->writereg = zr36050_write;
1142	m->flags |= CODEC_FLAG_JPEG;
1143	break;
1144	case CODEC_TYPE_ZR36016:
1145	m->readreg = zr36016_read;
1146	m->writereg = zr36016_write;
1147	m->flags |= CODEC_FLAG_VFE;
1148	break;
1149	}
1150
1151	return m;
1152	}
1153
1154	static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1155	{
1156	struct zoran *zr = to_zoran(v4l2_dev: sd->v4l2_dev);
1157
1158	/*
1159	* Bt819 needs to reset its FIFO buffer using #FRST pin and
1160	* LML33 card uses GPIO(7) for that.
1161	*/
1162	if (cmd == BT819_FIFO_RESET_LOW)
1163	GPIO(zr, bit: 7, value: 0);
1164	else if (cmd == BT819_FIFO_RESET_HIGH)
1165	GPIO(zr, bit: 7, value: 1);
1166	}
1167
1168	static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl)
1169	{
1170	struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl);
1171
1172	switch (ctrl->id) {
1173	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
1174	zr->jpg_settings.jpg_comp.quality = ctrl->val;
1175	return zoran_check_jpg_settings(zr, settings: &zr->jpg_settings, try: 0);
1176	default:
1177	return -EINVAL;
1178	}
1179
1180	return 0;
1181	}
1182
1183	static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = {
1184	.s_ctrl = zoran_video_set_ctrl,
1185	};
1186
1187	static int zoran_debugfs_show(struct seq_file *seq, void *v)
1188	{
1189	struct zoran *zr = seq->private;
1190
1191	seq_printf(m: seq, fmt: "Running mode %x\n", zr->running);
1192	seq_printf(m: seq, fmt: "Codec mode %x\n", zr->codec_mode);
1193	seq_printf(m: seq, fmt: "Norm %llx\n", zr->norm);
1194	seq_printf(m: seq, fmt: "Input %d\n", zr->input);
1195	seq_printf(m: seq, fmt: "Buffersize %d\n", zr->buffer_size);
1196
1197	seq_printf(m: seq, fmt: "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height);
1198	seq_printf(m: seq, fmt: "V4L bytesperline %d\n", zr->v4l_settings.bytesperline);
1199
1200	seq_printf(m: seq, fmt: "JPG decimation %u\n", zr->jpg_settings.decimation);
1201	seq_printf(m: seq, fmt: "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm);
1202	seq_printf(m: seq, fmt: "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm);
1203	seq_printf(m: seq, fmt: "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm);
1204	seq_printf(m: seq, fmt: "JPG odd_even %u\n", zr->jpg_settings.odd_even);
1205	seq_printf(m: seq, fmt: "JPG crop %dx%d %d %d\n",
1206	zr->jpg_settings.img_x,
1207	zr->jpg_settings.img_y,
1208	zr->jpg_settings.img_width,
1209	zr->jpg_settings.img_height);
1210
1211	seq_printf(m: seq, fmt: "Prepared %u\n", zr->prepared);
1212	seq_printf(m: seq, fmt: "Queued %u\n", zr->queued);
1213
1214	videocodec_debugfs_show(m: seq);
1215	return 0;
1216	}
1217
1218	DEFINE_SHOW_ATTRIBUTE(zoran_debugfs);
1219
1220	/*
1221	* Scan for a Buz card (actually for the PCI controller ZR36057),
1222	* request the irq and map the io memory
1223	*/
1224	static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1225	{
1226	unsigned char latency, need_latency;
1227	struct zoran *zr;
1228	int result;
1229	struct videocodec_master *master_vfe = NULL;
1230	struct videocodec_master *master_codec = NULL;
1231	int card_num;
1232	unsigned int nr;
1233	int err;
1234
1235	pci_info(pdev, "Zoran MJPEG board driver version %s\n", ZORAN_VERSION);
1236
1237	/* some mainboards might not do PCI-PCI data transfer well */
1238	if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1239	pci_warn(pdev, "%s: chipset does not support reliable PCI-PCI DMA\n",
1240	ZORAN_NAME);
1241
1242	err = dma_set_mask_and_coherent(dev: &pdev->dev, DMA_BIT_MASK(32));
1243	if (err)
1244	return err;
1245	err = vb2_dma_contig_set_max_seg_size(dev: &pdev->dev, U32_MAX);
1246	if (err)
1247	return err;
1248
1249	nr = zoran_num++;
1250	if (nr >= BUZ_MAX) {
1251	pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX);
1252	return -ENOENT;
1253	}
1254
1255	zr = devm_kzalloc(dev: &pdev->dev, size: sizeof(*zr), GFP_KERNEL);
1256	if (!zr)
1257	return -ENOMEM;
1258
1259	zr->v4l2_dev.notify = zoran_subdev_notify;
1260	if (v4l2_device_register(dev: &pdev->dev, v4l2_dev: &zr->v4l2_dev))
1261	goto zr_free_mem;
1262	zr->pci_dev = pdev;
1263	zr->id = nr;
1264	snprintf(ZR_DEVNAME(zr), size: sizeof(ZR_DEVNAME(zr)), fmt: "MJPEG[%u]", zr->id);
1265	if (v4l2_ctrl_handler_init(&zr->hdl, 10))
1266	goto zr_unreg;
1267	zr->v4l2_dev.ctrl_handler = &zr->hdl;
1268	v4l2_ctrl_new_std(hdl: &zr->hdl, ops: &zoran_video_ctrl_ops,
1269	V4L2_CID_JPEG_COMPRESSION_QUALITY, min: 0,
1270	max: 100, step: 1, def: 50);
1271	spin_lock_init(&zr->spinlock);
1272	mutex_init(&zr->lock);
1273	if (pci_enable_device(dev: pdev))
1274	goto zr_unreg;
1275	zr->revision = zr->pci_dev->revision;
1276
1277	pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n",
1278	zr->revision < 2 ? '5' : '6', zr->revision,
1279	zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0));
1280	if (zr->revision >= 2)
1281	pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n",
1282	zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device);
1283
1284	/* Use auto-detected card type? */
1285	if (card[nr] == -1) {
1286	if (zr->revision < 2) {
1287	pci_err(pdev, "No card type specified, please use the card=X module parameter\n");
1288	pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n");
1289	goto zr_unreg;
1290	}
1291
1292	card_num = ent->driver_data;
1293	if (card_num >= NUM_CARDS) {
1294	pci_err(pdev, "Unknown card, try specifying card=X module parameter\n");
1295	goto zr_unreg;
1296	}
1297	pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__,
1298	zoran_cards[card_num].name);
1299	} else {
1300	card_num = card[nr];
1301	if (card_num >= NUM_CARDS || card_num < 0) {
1302	pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n",
1303	card_num, NUM_CARDS - 1);
1304	goto zr_unreg;
1305	}
1306	}
1307
1308	/*
1309	* even though we make this a non pointer and thus
1310	* theoretically allow for making changes to this struct
1311	* on a per-individual card basis at runtime, this is
1312	* strongly discouraged. This structure is intended to
1313	* keep general card information, no settings or anything
1314	*/
1315	zr->card = zoran_cards[card_num];
1316	snprintf(ZR_DEVNAME(zr), size: sizeof(ZR_DEVNAME(zr)), fmt: "%s[%u]",
1317	zr->card.name, zr->id);
1318
1319	err = pci_request_regions(pdev, ZR_DEVNAME(zr));
1320	if (err)
1321	goto zr_unreg;
1322
1323	zr->zr36057_mem = devm_ioremap(dev: &pdev->dev, pci_resource_start(pdev, 0),
1324	pci_resource_len(pdev, 0));
1325	if (!zr->zr36057_mem) {
1326	pci_err(pdev, "%s() - ioremap failed\n", __func__);
1327	goto zr_pci_release;
1328	}
1329
1330	result = pci_request_irq(dev: pdev, nr: 0, handler: zoran_irq, NULL, dev_id: zr, ZR_DEVNAME(zr));
1331	if (result < 0) {
1332	if (result == -EINVAL) {
1333	pci_err(pdev, "%s - bad IRQ number or handler\n", __func__);
1334	} else if (result == -EBUSY) {
1335	pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n",
1336	__func__, zr->pci_dev->irq);
1337	} else {
1338	pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result);
1339	}
1340	goto zr_pci_release;
1341	}
1342
1343	/* set PCI latency timer */
1344	pci_read_config_byte(dev: zr->pci_dev, PCI_LATENCY_TIMER,
1345	val: &latency);
1346	need_latency = zr->revision > 1 ? 32 : 48;
1347	if (latency != need_latency) {
1348	pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n",
1349	latency, need_latency);
1350	pci_write_config_byte(dev: zr->pci_dev, PCI_LATENCY_TIMER, val: need_latency);
1351	}
1352
1353	zr36057_restart(zr);
1354
1355	err = zoran_i2c_init(zr);
1356	if (err)
1357	goto zr_free_irq;
1358
1359	pci_info(zr->pci_dev, "Initializing videocodec bus...\n");
1360	err = videocodec_init(zr);
1361	if (err)
1362	goto zr_unreg_i2c;
1363
1364	/* reset JPEG codec */
1365	jpeg_codec_sleep(zr, sleep: 1);
1366	jpeg_codec_reset(zr);
1367	/* video bus enabled */
1368	/* display codec revision */
1369	if (zr->card.video_codec != 0) {
1370	master_codec = zoran_setup_videocodec(zr, type: zr->card.video_codec);
1371	if (!master_codec)
1372	goto zr_unreg_videocodec;
1373	zr->codec = videocodec_attach(master: master_codec);
1374	if (!zr->codec) {
1375	pci_err(pdev, "%s - no codec found\n", __func__);
1376	goto zr_unreg_videocodec;
1377	}
1378	if (zr->codec->type != zr->card.video_codec) {
1379	pci_err(pdev, "%s - wrong codec\n", __func__);
1380	goto zr_unreg_videocodec;
1381	}
1382	}
1383	if (zr->card.video_vfe != 0) {
1384	master_vfe = zoran_setup_videocodec(zr, type: zr->card.video_vfe);
1385	if (!master_vfe)
1386	goto zr_detach_codec;
1387	zr->vfe = videocodec_attach(master: master_vfe);
1388	if (!zr->vfe) {
1389	pci_err(pdev, "%s - no VFE found\n", __func__);
1390	goto zr_detach_codec;
1391	}
1392	if (zr->vfe->type != zr->card.video_vfe) {
1393	pci_err(pdev, "%s = wrong VFE\n", __func__);
1394	goto zr_detach_vfe;
1395	}
1396	}
1397
1398	/* take care of Natoma chipset and a revision 1 zr36057 */
1399	if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1)
1400	pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n");
1401
1402	if (zr36057_init(zr) < 0)
1403	goto zr_detach_vfe;
1404
1405	zr->map_mode = ZORAN_MAP_MODE_RAW;
1406
1407	zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL);
1408	debugfs_create_file(name: "debug", mode: 0444, parent: zr->dbgfs_dir, data: zr,
1409	fops: &zoran_debugfs_fops);
1410	return 0;
1411
1412	zr_detach_vfe:
1413	videocodec_detach(codec: zr->vfe);
1414	zr_detach_codec:
1415	videocodec_detach(codec: zr->codec);
1416	zr_unreg_videocodec:
1417	videocodec_exit(zr);
1418	zr_unreg_i2c:
1419	zoran_i2c_exit(zr);
1420	zr_free_irq:
1421	btwrite(0, ZR36057_SPGPPCR);
1422	pci_free_irq(dev: zr->pci_dev, nr: 0, dev_id: zr);
1423	zr_pci_release:
1424	pci_release_regions(pdev);
1425	zr_unreg:
1426	v4l2_ctrl_handler_free(hdl: &zr->hdl);
1427	v4l2_device_unregister(v4l2_dev: &zr->v4l2_dev);
1428	zr_free_mem:
1429
1430	return -ENODEV;
1431	}
1432
1433	static struct pci_driver zoran_driver = {
1434	.name = "zr36067",
1435	.id_table = zr36067_pci_tbl,
1436	.probe = zoran_probe,
1437	.remove = zoran_remove,
1438	};
1439
1440	module_pci_driver(zoran_driver);
1441