1	/*
2	ivtv driver initialization and card probing
3	Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
4	Copyright (C) 2004 Chris Kennedy <c@groovy.org>
5	Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20	*/
21
22	/* Main Driver file for the ivtv project:
23	* Driver for the Conexant CX23415/CX23416 chip.
24	* Author: Kevin Thayer (nufan_wfk at yahoo.com)
25	* License: GPL
26	*
27	* -----
28	* MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com>
29	* and Takeru KOMORIYA<komoriya@paken.org>
30	*
31	* AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
32	* using information provided by Jiun-Kuei Jung @ AVerMedia.
33	*
34	* Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
35	* using information from T.Adachi,Takeru KOMORIYA and others :-)
36	*
37	* Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
38	* version by T.Adachi. Special thanks Mr.Suzuki
39	*/
40
41	#include "ivtv-driver.h"
42	#include "ivtv-version.h"
43	#include "ivtv-fileops.h"
44	#include "ivtv-i2c.h"
45	#include "ivtv-firmware.h"
46	#include "ivtv-queue.h"
47	#include "ivtv-udma.h"
48	#include "ivtv-irq.h"
49	#include "ivtv-mailbox.h"
50	#include "ivtv-streams.h"
51	#include "ivtv-ioctl.h"
52	#include "ivtv-cards.h"
53	#include "ivtv-vbi.h"
54	#include "ivtv-routing.h"
55	#include "ivtv-controls.h"
56	#include "ivtv-gpio.h"
57	#include <linux/dma-mapping.h>
58	#include <media/tveeprom.h>
59	#include <media/i2c/saa7115.h>
60	#include "xc2028.h"
61	#include <uapi/linux/sched/types.h>
62
63	/* If you have already X v4l cards, then set this to X. This way
64	the device numbers stay matched. Example: you have a WinTV card
65	without radio and a PVR-350 with. Normally this would give a
66	video1 device together with a radio0 device for the PVR. By
67	setting this to 1 you ensure that radio0 is now also radio1. */
68	int ivtv_first_minor;
69
70	/* Callback for registering extensions */
71	int (*ivtv_ext_init)(struct ivtv *);
72	EXPORT_SYMBOL(ivtv_ext_init);
73
74	/* add your revision and whatnot here */
75	static const struct pci_device_id ivtv_pci_tbl[] = {
76	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
77	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
78	{PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
79	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
80	{0,}
81	};
82
83	MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
84
85	/* ivtv instance counter */
86	static atomic_t ivtv_instance = ATOMIC_INIT(0);
87
88	/* Parameter declarations */
89	static int cardtype[IVTV_MAX_CARDS];
90	static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
91	-1, -1, -1, -1, -1, -1, -1, -1,
92	-1, -1, -1, -1, -1, -1, -1, -1,
93	-1, -1, -1, -1, -1, -1, -1, -1 };
94	static int radio[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
95	-1, -1, -1, -1, -1, -1, -1, -1,
96	-1, -1, -1, -1, -1, -1, -1, -1,
97	-1, -1, -1, -1, -1, -1, -1, -1 };
98	static int i2c_clock_period[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
99	-1, -1, -1, -1, -1, -1, -1, -1,
100	-1, -1, -1, -1, -1, -1, -1, -1,
101	-1, -1, -1, -1, -1, -1, -1, -1 };
102
103	static unsigned int cardtype_c = 1;
104	static unsigned int tuner_c = 1;
105	static int radio_c = 1;
106	static unsigned int i2c_clock_period_c = 1;
107	static char pal[] = "---";
108	static char secam[] = "--";
109	static char ntsc[] = "-";
110
111	/* Buffers */
112
113	/* DMA Buffers, Default size in MB allocated */
114	#define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
115	#define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
116	#define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
117	/* Exception: size in kB for this stream (MB is overkill) */
118	#define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
119	#define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
120	#define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
121	/* Exception: size in kB for this stream (MB is way overkill) */
122	#define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
123
124	static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
125	static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
126	static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
127	static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
128	static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
129	static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
130	static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
131
132	static int ivtv_yuv_mode;
133	static int ivtv_yuv_threshold = -1;
134	static int ivtv_pci_latency = 1;
135
136	int ivtv_debug;
137	#ifdef CONFIG_VIDEO_ADV_DEBUG
138	int ivtv_fw_debug;
139	#endif
140
141	static int tunertype = -1;
142	static int newi2c = -1;
143
144	module_param_array(tuner, int, &tuner_c, 0644);
145	module_param_array(radio, int, &radio_c, 0644);
146	module_param_array(cardtype, int, &cardtype_c, 0644);
147	module_param_string(pal, pal, sizeof(pal), 0644);
148	module_param_string(secam, secam, sizeof(secam), 0644);
149	module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
150	module_param_named(debug,ivtv_debug, int, 0644);
151	#ifdef CONFIG_VIDEO_ADV_DEBUG
152	module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
153	#endif
154	module_param(ivtv_pci_latency, int, 0644);
155	module_param(ivtv_yuv_mode, int, 0644);
156	module_param(ivtv_yuv_threshold, int, 0644);
157	module_param(ivtv_first_minor, int, 0644);
158
159	module_param(enc_mpg_buffers, int, 0644);
160	module_param(enc_yuv_buffers, int, 0644);
161	module_param(enc_vbi_buffers, int, 0644);
162	module_param(enc_pcm_buffers, int, 0644);
163	module_param(dec_mpg_buffers, int, 0644);
164	module_param(dec_yuv_buffers, int, 0644);
165	module_param(dec_vbi_buffers, int, 0644);
166
167	module_param(tunertype, int, 0644);
168	module_param(newi2c, int, 0644);
169	module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 0644);
170
171	MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
172	"\t\t\tsee tuner.h for values");
173	MODULE_PARM_DESC(radio,
174	"Enable or disable the radio. Use only if autodetection\n"
175	"\t\t\tfails. 0 = disable, 1 = enable");
176	MODULE_PARM_DESC(cardtype,
177	"Only use this option if your card is not detected properly.\n"
178	"\t\tSpecify card type:\n"
179	"\t\t\t 1 = WinTV PVR 250\n"
180	"\t\t\t 2 = WinTV PVR 350\n"
181	"\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
182	"\t\t\t 4 = AVerMedia M179\n"
183	"\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
184	"\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
185	"\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
186	"\t\t\t 8 = Adaptec AVC-2410\n"
187	"\t\t\t 9 = Adaptec AVC-2010\n"
188	"\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
189	"\t\t\t11 = AOpen VA2000MAX-STN6\n"
190	"\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
191	"\t\t\t13 = I/O Data GV-MVP/RX\n"
192	"\t\t\t14 = I/O Data GV-MVP/RX2E\n"
193	"\t\t\t15 = GOTVIEW PCI DVD\n"
194	"\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
195	"\t\t\t17 = Yuan MPC622\n"
196	"\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
197	"\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
198	"\t\t\t20 = Club3D ZAP-TV1x01\n"
199	"\t\t\t21 = AverTV MCE 116 Plus\n"
200	"\t\t\t22 = ASUS Falcon2\n"
201	"\t\t\t23 = AverMedia PVR-150 Plus\n"
202	"\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
203	"\t\t\t25 = AverMedia M104 (not yet working)\n"
204	"\t\t\t26 = Buffalo PC-MV5L/PCI\n"
205	"\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
206	"\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\n"
207	"\t\t\t 0 = Autodetect (default)\n"
208	"\t\t\t-1 = Ignore this card\n\t\t");
209	MODULE_PARM_DESC(pal, "Set PAL standard: BGH, DK, I, M, N, Nc, 60");
210	MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
211	MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
212	MODULE_PARM_DESC(tunertype,
213	"Specify tuner type:\n"
214	"\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
215	"\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
216	"\t\t\t-1 = Autodetect (default)\n");
217	MODULE_PARM_DESC(debug,
218	"Debug level (bitmask). Default: 0\n"
219	"\t\t\t 1/0x0001: warning\n"
220	"\t\t\t 2/0x0002: info\n"
221	"\t\t\t 4/0x0004: mailbox\n"
222	"\t\t\t 8/0x0008: ioctl\n"
223	"\t\t\t 16/0x0010: file\n"
224	"\t\t\t 32/0x0020: dma\n"
225	"\t\t\t 64/0x0040: irq\n"
226	"\t\t\t 128/0x0080: decoder\n"
227	"\t\t\t 256/0x0100: yuv\n"
228	"\t\t\t 512/0x0200: i2c\n"
229	"\t\t\t1024/0x0400: high volume\n");
230	#ifdef CONFIG_VIDEO_ADV_DEBUG
231	MODULE_PARM_DESC(fw_debug,
232	"Enable code for debugging firmware problems. Default: 0\n");
233	#endif
234	MODULE_PARM_DESC(ivtv_pci_latency,
235	"Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
236	"\t\t\tDefault: Yes");
237	MODULE_PARM_DESC(ivtv_yuv_mode,
238	"Specify the yuv playback mode:\n"
239	"\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
240	"\t\t\tDefault: 0 (interlaced)");
241	MODULE_PARM_DESC(ivtv_yuv_threshold,
242	"If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
243	"\t\t\tDefault: 480");
244	MODULE_PARM_DESC(enc_mpg_buffers,
245	"Encoder MPG Buffers (in MB)\n"
246	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
247	MODULE_PARM_DESC(enc_yuv_buffers,
248	"Encoder YUV Buffers (in MB)\n"
249	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
250	MODULE_PARM_DESC(enc_vbi_buffers,
251	"Encoder VBI Buffers (in MB)\n"
252	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
253	MODULE_PARM_DESC(enc_pcm_buffers,
254	"Encoder PCM buffers (in kB)\n"
255	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
256	MODULE_PARM_DESC(dec_mpg_buffers,
257	"Decoder MPG buffers (in MB)\n"
258	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
259	MODULE_PARM_DESC(dec_yuv_buffers,
260	"Decoder YUV buffers (in MB)\n"
261	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
262	MODULE_PARM_DESC(dec_vbi_buffers,
263	"Decoder VBI buffers (in kB)\n"
264	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
265	MODULE_PARM_DESC(newi2c,
266	"Use new I2C implementation\n"
267	"\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
268	"\t\t\tDefault is autodetect");
269	MODULE_PARM_DESC(i2c_clock_period,
270	"Period of SCL for the I2C bus controlled by the CX23415/6\n"
271	"\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
272	"\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
273
274	MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
275
276	MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
277	MODULE_DESCRIPTION("CX23415/CX23416 driver");
278	MODULE_LICENSE("GPL");
279
280	MODULE_VERSION(IVTV_VERSION);
281
282	#if defined(CONFIG_MODULES) && defined(MODULE)
283	static void request_module_async(struct work_struct *work)
284	{
285	struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
286
287	/* Make sure ivtv-alsa module is loaded */
288	request_module("ivtv-alsa");
289
290	/* Initialize ivtv-alsa for this instance of the cx18 device */
291	if (ivtv_ext_init != NULL)
292	ivtv_ext_init(dev);
293	}
294
295	static void request_modules(struct ivtv *dev)
296	{
297	INIT_WORK(&dev->request_module_wk, request_module_async);
298	schedule_work(&dev->request_module_wk);
299	}
300
301	static void flush_request_modules(struct ivtv *dev)
302	{
303	flush_work(&dev->request_module_wk);
304	}
305	#else
306	#define request_modules(dev)
307	#define flush_request_modules(dev)
308	#endif /* CONFIG_MODULES */
309
310	void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
311	{
312	itv->irqmask &= ~mask;
313	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
314	}
315
316	void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
317	{
318	itv->irqmask |= mask;
319	write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
320	}
321
322	int ivtv_set_output_mode(struct ivtv *itv, int mode)
323	{
324	int old_mode;
325
326	spin_lock(lock: &itv->lock);
327	old_mode = itv->output_mode;
328	if (old_mode == 0)
329	itv->output_mode = old_mode = mode;
330	spin_unlock(lock: &itv->lock);
331	return old_mode;
332	}
333
334	struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
335	{
336	switch (itv->output_mode) {
337	case OUT_MPG:
338	return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
339	case OUT_YUV:
340	return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
341	default:
342	return NULL;
343	}
344	}
345
346	int ivtv_waitq(wait_queue_head_t *waitq)
347	{
348	DEFINE_WAIT(wait);
349
350	prepare_to_wait(wq_head: waitq, wq_entry: &wait, TASK_INTERRUPTIBLE);
351	schedule();
352	finish_wait(wq_head: waitq, wq_entry: &wait);
353	return signal_pending(current) ? -EINTR : 0;
354	}
355
356	/* Generic utility functions */
357	int ivtv_msleep_timeout(unsigned int msecs, int intr)
358	{
359	int timeout = msecs_to_jiffies(m: msecs);
360
361	do {
362	set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
363	timeout = schedule_timeout(timeout);
364	if (intr) {
365	int ret = signal_pending(current);
366
367	if (ret)
368	return ret;
369	}
370	} while (timeout);
371	return 0;
372	}
373
374	/* Release ioremapped memory */
375	static void ivtv_iounmap(struct ivtv *itv)
376	{
377	if (itv == NULL)
378	return;
379
380	/* Release registers memory */
381	if (itv->reg_mem != NULL) {
382	IVTV_DEBUG_INFO("releasing reg_mem\n");
383	iounmap(addr: itv->reg_mem);
384	itv->reg_mem = NULL;
385	}
386	/* Release io memory */
387	if (itv->has_cx23415 && itv->dec_mem != NULL) {
388	IVTV_DEBUG_INFO("releasing dec_mem\n");
389	iounmap(addr: itv->dec_mem);
390	}
391	itv->dec_mem = NULL;
392
393	/* Release io memory */
394	if (itv->enc_mem != NULL) {
395	IVTV_DEBUG_INFO("releasing enc_mem\n");
396	iounmap(addr: itv->enc_mem);
397	itv->enc_mem = NULL;
398	}
399	}
400
401	/* Hauppauge card? get values from tveeprom */
402	void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
403	{
404	u8 eedata[256];
405
406	itv->i2c_client.addr = 0xA0 >> 1;
407	tveeprom_read(c: &itv->i2c_client, eedata, len: sizeof(eedata));
408	tveeprom_hauppauge_analog(tvee: tv, eeprom_data: eedata);
409	}
410
411	static void ivtv_process_eeprom(struct ivtv *itv)
412	{
413	struct tveeprom tv;
414	int pci_slot = PCI_SLOT(itv->pdev->devfn);
415
416	ivtv_read_eeprom(itv, tv: &tv);
417
418	/* Many thanks to Steven Toth from Hauppauge for providing the
419	model numbers */
420	switch (tv.model) {
421	/* In a few cases the PCI subsystem IDs do not correctly
422	identify the card. A better method is to check the
423	model number from the eeprom instead. */
424	case 30012 ... 30039: /* Low profile PVR250 */
425	case 32000 ... 32999:
426	case 48000 ... 48099: /* 48??? range are PVR250s with a cx23415 */
427	case 48400 ... 48599:
428	itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
429	break;
430	case 48100 ... 48399:
431	case 48600 ... 48999:
432	itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
433	break;
434	case 23000 ... 23999: /* PVR500 */
435	case 25000 ... 25999: /* Low profile PVR150 */
436	case 26000 ... 26999: /* Regular PVR150 */
437	itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
438	break;
439	case 0:
440	IVTV_ERR("Invalid EEPROM\n");
441	return;
442	default:
443	IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
444	itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
445	break;
446	}
447
448	switch (tv.model) {
449	/* Old style PVR350 (with an saa7114) uses this input for
450	the tuner. */
451	case 48254:
452	itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
453	break;
454	default:
455	break;
456	}
457
458	itv->v4l2_cap = itv->card->v4l2_capabilities;
459	itv->card_name = itv->card->name;
460	itv->card_i2c = itv->card->i2c;
461
462	/* If this is a PVR500 then it should be possible to detect whether it is the
463	first or second unit by looking at the subsystem device ID: is bit 4 is
464	set, then it is the second unit (according to info from Hauppauge).
465
466	However, while this works for most cards, I have seen a few PVR500 cards
467	where both units have the same subsystem ID.
468
469	So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
470	PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
471	it is the second unit. It is possible that it is a different slot when ivtv is
472	used in Xen, in that case I ignore this card here. The worst that can happen
473	is that the card presents itself with a non-working radio device.
474
475	This detection is needed since the eeprom reports incorrectly that a radio is
476	present on the second unit. */
477	if (tv.model / 1000 == 23) {
478	static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
479	.radio = { 0x60, I2C_CLIENT_END },
480	.demod = { 0x43, I2C_CLIENT_END },
481	.tv = { 0x61, I2C_CLIENT_END },
482	};
483
484	itv->card_name = "WinTV PVR 500";
485	itv->card_i2c = &ivtv_i2c_radio;
486	if (pci_slot == 8 || pci_slot == 9) {
487	int is_first = (pci_slot & 1) == 0;
488
489	itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
490	"WinTV PVR 500 (unit #2)";
491	if (!is_first) {
492	IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
493	tv.has_radio = 0;
494	}
495	}
496	}
497	IVTV_INFO("Autodetected %s\n", itv->card_name);
498
499	switch (tv.tuner_hauppauge_model) {
500	case 85:
501	case 99:
502	case 112:
503	itv->pvr150_workaround = 1;
504	break;
505	default:
506	break;
507	}
508	if (tv.tuner_type == TUNER_ABSENT)
509	IVTV_ERR("tveeprom cannot autodetect tuner!\n");
510
511	if (itv->options.tuner == -1)
512	itv->options.tuner = tv.tuner_type;
513	if (itv->options.radio == -1)
514	itv->options.radio = (tv.has_radio != 0);
515	/* only enable newi2c if an IR blaster is present */
516	if (itv->options.newi2c == -1 && tv.has_ir) {
517	itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
518	if (itv->options.newi2c) {
519	IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
520	exit_ivtv_i2c(itv);
521	init_ivtv_i2c(itv);
522	}
523	}
524
525	if (itv->std != 0)
526	/* user specified tuner standard */
527	return;
528
529	/* autodetect tuner standard */
530	if (tv.tuner_formats & V4L2_STD_PAL) {
531	IVTV_DEBUG_INFO("PAL tuner detected\n");
532	itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
533	} else if (tv.tuner_formats & V4L2_STD_NTSC) {
534	IVTV_DEBUG_INFO("NTSC tuner detected\n");
535	itv->std |= V4L2_STD_NTSC_M;
536	} else if (tv.tuner_formats & V4L2_STD_SECAM) {
537	IVTV_DEBUG_INFO("SECAM tuner detected\n");
538	itv->std |= V4L2_STD_SECAM_L;
539	} else {
540	IVTV_INFO("No tuner detected, default to NTSC-M\n");
541	itv->std |= V4L2_STD_NTSC_M;
542	}
543	}
544
545	static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
546	{
547	switch (pal[0]) {
548	case '6':
549	tunertype = 0;
550	return V4L2_STD_PAL_60;
551	case 'b':
552	case 'B':
553	case 'g':
554	case 'G':
555	case 'h':
556	case 'H':
557	tunertype = 0;
558	return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
559	case 'n':
560	case 'N':
561	tunertype = 1;
562	if (pal[1] == 'c' || pal[1] == 'C')
563	return V4L2_STD_PAL_Nc;
564	return V4L2_STD_PAL_N;
565	case 'i':
566	case 'I':
567	tunertype = 0;
568	return V4L2_STD_PAL_I;
569	case 'd':
570	case 'D':
571	case 'k':
572	case 'K':
573	tunertype = 0;
574	return V4L2_STD_PAL_DK;
575	case 'M':
576	case 'm':
577	tunertype = 1;
578	return V4L2_STD_PAL_M;
579	case '-':
580	break;
581	default:
582	IVTV_WARN("pal= argument not recognised\n");
583	return 0;
584	}
585
586	switch (secam[0]) {
587	case 'b':
588	case 'B':
589	case 'g':
590	case 'G':
591	case 'h':
592	case 'H':
593	tunertype = 0;
594	return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
595	case 'd':
596	case 'D':
597	case 'k':
598	case 'K':
599	tunertype = 0;
600	return V4L2_STD_SECAM_DK;
601	case 'l':
602	case 'L':
603	tunertype = 0;
604	if (secam[1] == 'C' || secam[1] == 'c')
605	return V4L2_STD_SECAM_LC;
606	return V4L2_STD_SECAM_L;
607	case '-':
608	break;
609	default:
610	IVTV_WARN("secam= argument not recognised\n");
611	return 0;
612	}
613
614	switch (ntsc[0]) {
615	case 'm':
616	case 'M':
617	tunertype = 1;
618	return V4L2_STD_NTSC_M;
619	case 'j':
620	case 'J':
621	tunertype = 1;
622	return V4L2_STD_NTSC_M_JP;
623	case 'k':
624	case 'K':
625	tunertype = 1;
626	return V4L2_STD_NTSC_M_KR;
627	case '-':
628	break;
629	default:
630	IVTV_WARN("ntsc= argument not recognised\n");
631	return 0;
632	}
633
634	/* no match found */
635	return 0;
636	}
637
638	static void ivtv_process_options(struct ivtv *itv)
639	{
640	const char *chipname;
641	int i, j;
642
643	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
644	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
645	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
646	itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
647	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
648	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
649	itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
650	itv->options.cardtype = cardtype[itv->instance];
651	itv->options.tuner = tuner[itv->instance];
652	itv->options.radio = radio[itv->instance];
653
654	itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
655	if (itv->options.i2c_clock_period == -1)
656	itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
657	else if (itv->options.i2c_clock_period < 10)
658	itv->options.i2c_clock_period = 10;
659	else if (itv->options.i2c_clock_period > 4500)
660	itv->options.i2c_clock_period = 4500;
661
662	itv->options.newi2c = newi2c;
663	if (tunertype < -1 || tunertype > 1) {
664	IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
665	tunertype = -1;
666	}
667	itv->std = ivtv_parse_std(itv);
668	if (itv->std == 0 && tunertype >= 0)
669	itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
670	itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
671	chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
672	if (itv->options.cardtype == -1) {
673	IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
674	return;
675	}
676	if ((itv->card = ivtv_get_card(index: itv->options.cardtype - 1))) {
677	IVTV_INFO("User specified %s card (detected %s based chip)\n",
678	itv->card->name, chipname);
679	} else if (itv->options.cardtype != 0) {
680	IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
681	}
682	if (itv->card == NULL) {
683	if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
684	itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
685	itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
686	itv->card = ivtv_get_card(index: itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
687	IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
688	chipname);
689	}
690	}
691	if (itv->card == NULL) {
692	for (i = 0; (itv->card = ivtv_get_card(index: i)); i++) {
693	if (itv->card->pci_list == NULL)
694	continue;
695	for (j = 0; itv->card->pci_list[j].device; j++) {
696	if (itv->pdev->device !=
697	itv->card->pci_list[j].device)
698	continue;
699	if (itv->pdev->subsystem_vendor !=
700	itv->card->pci_list[j].subsystem_vendor)
701	continue;
702	if (itv->pdev->subsystem_device !=
703	itv->card->pci_list[j].subsystem_device)
704	continue;
705	IVTV_INFO("Autodetected %s card (%s based)\n",
706	itv->card->name, chipname);
707	goto done;
708	}
709	}
710	}
711	done:
712
713	if (itv->card == NULL) {
714	itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
715	IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
716	itv->pdev->vendor, itv->pdev->device);
717	IVTV_ERR(" subsystem vendor/device: [%04x:%04x]\n",
718	itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
719	IVTV_ERR(" %s based\n", chipname);
720	IVTV_ERR("Defaulting to %s card\n", itv->card->name);
721	IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
722	IVTV_ERR("card you have to the linux-media mailinglist (www.linuxtv.org)\n");
723	IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
724	}
725	itv->v4l2_cap = itv->card->v4l2_capabilities;
726	itv->card_name = itv->card->name;
727	itv->card_i2c = itv->card->i2c;
728	}
729
730	/* Precondition: the ivtv structure has been memset to 0. Only
731	the dev and num fields have been filled in.
732	No assumptions on the card type may be made here (see ivtv_init_struct2
733	for that).
734	*/
735	static int ivtv_init_struct1(struct ivtv *itv)
736	{
737	itv->base_addr = pci_resource_start(itv->pdev, 0);
738	itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
739	itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
740
741	mutex_init(&itv->serialize_lock);
742	mutex_init(&itv->i2c_bus_lock);
743	mutex_init(&itv->udma.lock);
744
745	spin_lock_init(&itv->lock);
746	spin_lock_init(&itv->dma_reg_lock);
747
748	kthread_init_worker(&itv->irq_worker);
749	itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
750	"%s", itv->v4l2_dev.name);
751	if (IS_ERR(ptr: itv->irq_worker_task)) {
752	IVTV_ERR("Could not create ivtv task\n");
753	return -1;
754	}
755	/* must use the FIFO scheduler as it is realtime sensitive */
756	sched_set_fifo(p: itv->irq_worker_task);
757
758	kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);
759
760	/* Initial settings */
761	itv->cxhdl.port = CX2341X_PORT_MEMORY;
762	itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
763	init_waitqueue_head(&itv->eos_waitq);
764	init_waitqueue_head(&itv->event_waitq);
765	init_waitqueue_head(&itv->vsync_waitq);
766	init_waitqueue_head(&itv->dma_waitq);
767	timer_setup(&itv->dma_timer, ivtv_unfinished_dma, 0);
768
769	itv->cur_dma_stream = -1;
770	itv->cur_pio_stream = -1;
771
772	/* Ctrls */
773	itv->speed = 1000;
774
775	/* VBI */
776	itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
777	itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
778
779	/* Init the sg table for osd/yuv output */
780	sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
781
782	/* OSD */
783	itv->osd_global_alpha_state = 1;
784	itv->osd_global_alpha = 255;
785
786	/* YUV */
787	atomic_set(v: &itv->yuv_info.next_dma_frame, i: -1);
788	itv->yuv_info.lace_mode = ivtv_yuv_mode;
789	itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
790	itv->yuv_info.max_frames_buffered = 3;
791	itv->yuv_info.track_osd = 1;
792	return 0;
793	}
794
795	/* Second initialization part. Here the card type has been
796	autodetected. */
797	static void ivtv_init_struct2(struct ivtv *itv)
798	{
799	int i;
800
801	for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
802	if (itv->card->video_inputs[i].video_type == 0)
803	break;
804	itv->nof_inputs = i;
805	for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
806	if (itv->card->audio_inputs[i].audio_type == 0)
807	break;
808	itv->nof_audio_inputs = i;
809
810	if (itv->card->hw_all & IVTV_HW_CX25840) {
811	itv->vbi.sliced_size = 288; /* multiple of 16, real size = 284 */
812	} else {
813	itv->vbi.sliced_size = 64; /* multiple of 16, real size = 52 */
814	}
815
816	/* Find tuner input */
817	for (i = 0; i < itv->nof_inputs; i++) {
818	if (itv->card->video_inputs[i].video_type ==
819	IVTV_CARD_INPUT_VID_TUNER)
820	break;
821	}
822	if (i >= itv->nof_inputs)
823	i = 0;
824	itv->active_input = i;
825	itv->audio_input = itv->card->video_inputs[i].audio_index;
826	}
827
828	static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
829	const struct pci_device_id *pci_id)
830	{
831	u16 cmd;
832	unsigned char pci_latency;
833
834	IVTV_DEBUG_INFO("Enabling pci device\n");
835
836	if (pci_enable_device(dev: pdev)) {
837	IVTV_ERR("Can't enable device!\n");
838	return -EIO;
839	}
840	if (dma_set_mask(dev: &pdev->dev, DMA_BIT_MASK(32))) {
841	IVTV_ERR("No suitable DMA available.\n");
842	return -EIO;
843	}
844	if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
845	IVTV_ERR("Cannot request encoder memory region.\n");
846	return -EIO;
847	}
848
849	if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
850	IVTV_REG_SIZE, "ivtv registers")) {
851	IVTV_ERR("Cannot request register memory region.\n");
852	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
853	return -EIO;
854	}
855
856	if (itv->has_cx23415 &&
857	!request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
858	IVTV_DECODER_SIZE, "ivtv decoder")) {
859	IVTV_ERR("Cannot request decoder memory region.\n");
860	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
861	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
862	return -EIO;
863	}
864
865	/* Check for bus mastering */
866	pci_read_config_word(dev: pdev, PCI_COMMAND, val: &cmd);
867	if (!(cmd & PCI_COMMAND_MASTER)) {
868	IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
869	pci_set_master(dev: pdev);
870	pci_read_config_word(dev: pdev, PCI_COMMAND, val: &cmd);
871	if (!(cmd & PCI_COMMAND_MASTER)) {
872	IVTV_ERR("Bus Mastering is not enabled\n");
873	if (itv->has_cx23415)
874	release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
875	IVTV_DECODER_SIZE);
876	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
877	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
878	return -ENXIO;
879	}
880	}
881	IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
882
883	pci_read_config_byte(dev: pdev, PCI_LATENCY_TIMER, val: &pci_latency);
884
885	if (pci_latency < 64 && ivtv_pci_latency) {
886	IVTV_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
887	pci_latency);
888	pci_write_config_byte(dev: pdev, PCI_LATENCY_TIMER, val: 64);
889	pci_read_config_byte(dev: pdev, PCI_LATENCY_TIMER, val: &pci_latency);
890	}
891	/* This config space value relates to DMA latencies. The
892	default value 0x8080 is too low however and will lead
893	to DMA errors. 0xffff is the max value which solves
894	these problems. */
895	pci_write_config_dword(dev: pdev, where: 0x40, val: 0xffff);
896
897	IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
898	pdev->device, pdev->revision, pdev->bus->number,
899	PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
900	pdev->irq, pci_latency, (u64)itv->base_addr);
901
902	return 0;
903	}
904
905	static void ivtv_load_and_init_modules(struct ivtv *itv)
906	{
907	u32 hw = itv->card->hw_all;
908	unsigned i;
909
910	/* check which i2c devices are actually found */
911	for (i = 0; i < 32; i++) {
912	u32 device = BIT(i);
913
914	if (!(device & hw))
915	continue;
916	if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
917	/* GPIO and TVEEPROM do not use i2c probing */
918	itv->hw_flags |= device;
919	continue;
920	}
921	if (ivtv_i2c_register(itv, idx: i) == 0)
922	itv->hw_flags |= device;
923	}
924
925	/* probe for legacy IR controllers that aren't in card definitions */
926	if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
927	ivtv_i2c_new_ir_legacy(itv);
928
929	if (itv->card->hw_all & IVTV_HW_CX25840)
930	itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
931	else if (itv->card->hw_all & IVTV_HW_SAA717X)
932	itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
933	else if (itv->card->hw_all & IVTV_HW_SAA7114)
934	itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
935	else
936	itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
937	itv->sd_audio = ivtv_find_hw(itv, hw: itv->card->hw_audio_ctrl);
938	itv->sd_muxer = ivtv_find_hw(itv, hw: itv->card->hw_muxer);
939
940	hw = itv->hw_flags;
941
942	if (itv->card->type == IVTV_CARD_CX23416GYC) {
943	/* Several variations of this card exist, detect which card
944	type should be used. */
945	if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
946	itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
947	else if ((hw & IVTV_HW_UPD64031A) == 0)
948	itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
949	}
950	else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
951	itv->card->type == IVTV_CARD_GV_MVPRX2E) {
952	/* The crystal frequency of GVMVPRX is 24.576MHz */
953	v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
954	SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
955	}
956
957	if (hw & IVTV_HW_CX25840) {
958	itv->vbi.raw_decoder_line_size = 1444;
959	itv->vbi.raw_decoder_sav_odd_field = 0x20;
960	itv->vbi.raw_decoder_sav_even_field = 0x60;
961	itv->vbi.sliced_decoder_line_size = 272;
962	itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
963	itv->vbi.sliced_decoder_sav_even_field = 0xF0;
964	}
965
966	if (hw & IVTV_HW_SAA711X) {
967	/* determine the exact saa711x model */
968	itv->hw_flags &= ~IVTV_HW_SAA711X;
969
970	if (strstr(itv->sd_video->name, "saa7114")) {
971	itv->hw_flags |= IVTV_HW_SAA7114;
972	/* VBI is not yet supported by the saa7114 driver. */
973	itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
974	} else {
975	itv->hw_flags |= IVTV_HW_SAA7115;
976	}
977	itv->vbi.raw_decoder_line_size = 1443;
978	itv->vbi.raw_decoder_sav_odd_field = 0x25;
979	itv->vbi.raw_decoder_sav_even_field = 0x62;
980	itv->vbi.sliced_decoder_line_size = 51;
981	itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
982	itv->vbi.sliced_decoder_sav_even_field = 0xEC;
983	}
984
985	if (hw & IVTV_HW_SAA717X) {
986	itv->vbi.raw_decoder_line_size = 1443;
987	itv->vbi.raw_decoder_sav_odd_field = 0x25;
988	itv->vbi.raw_decoder_sav_even_field = 0x62;
989	itv->vbi.sliced_decoder_line_size = 51;
990	itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
991	itv->vbi.sliced_decoder_sav_even_field = 0xEC;
992	}
993	}
994
995	static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
996	{
997	int retval = 0;
998	int vbi_buf_size;
999	struct ivtv *itv;
1000
1001	itv = kzalloc(size: sizeof(struct ivtv), GFP_KERNEL);
1002	if (itv == NULL)
1003	return -ENOMEM;
1004	itv->pdev = pdev;
1005	itv->instance = v4l2_device_set_name(v4l2_dev: &itv->v4l2_dev, basename: "ivtv",
1006	instance: &ivtv_instance);
1007
1008	retval = v4l2_device_register(dev: &pdev->dev, v4l2_dev: &itv->v4l2_dev);
1009	if (retval) {
1010	kfree(objp: itv);
1011	return retval;
1012	}
1013	IVTV_INFO("Initializing card %d\n", itv->instance);
1014
1015	ivtv_process_options(itv);
1016	if (itv->options.cardtype == -1) {
1017	retval = -ENODEV;
1018	goto err;
1019	}
1020	if (ivtv_init_struct1(itv)) {
1021	retval = -ENOMEM;
1022	goto err;
1023	}
1024	retval = cx2341x_handler_init(cxhdl: &itv->cxhdl, nr_of_controls_hint: 50);
1025	if (retval)
1026	goto err;
1027	itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
1028	itv->cxhdl.ops = &ivtv_cxhdl_ops;
1029	itv->cxhdl.priv = itv;
1030	itv->cxhdl.func = ivtv_api_func;
1031
1032	IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
1033
1034	/* PCI Device Setup */
1035	retval = ivtv_setup_pci(itv, pdev, pci_id);
1036	if (retval == -EIO)
1037	goto free_worker;
1038	if (retval == -ENXIO)
1039	goto free_mem;
1040
1041	/* map io memory */
1042	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1043	(u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
1044	itv->enc_mem = ioremap(offset: itv->base_addr + IVTV_ENCODER_OFFSET,
1045	IVTV_ENCODER_SIZE);
1046	if (!itv->enc_mem) {
1047	IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 encoder memory\n");
1048	IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");
1049	IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1050	IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1051	retval = -ENOMEM;
1052	goto free_mem;
1053	}
1054
1055	if (itv->has_cx23415) {
1056	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1057	(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1058	itv->dec_mem = ioremap(offset: itv->base_addr + IVTV_DECODER_OFFSET,
1059	IVTV_DECODER_SIZE);
1060	if (!itv->dec_mem) {
1061	IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");
1062	IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");
1063	IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1064	IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1065	retval = -ENOMEM;
1066	goto free_mem;
1067	}
1068	}
1069	else {
1070	itv->dec_mem = itv->enc_mem;
1071	}
1072
1073	/* map registers memory */
1074	IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
1075	(u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1076	itv->reg_mem =
1077	ioremap(offset: itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1078	if (!itv->reg_mem) {
1079	IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");
1080	IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");
1081	IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
1082	IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
1083	retval = -ENOMEM;
1084	goto free_io;
1085	}
1086
1087	retval = ivtv_gpio_init(itv);
1088	if (retval)
1089	goto free_io;
1090
1091	/* active i2c */
1092	IVTV_DEBUG_INFO("activating i2c...\n");
1093	if (init_ivtv_i2c(itv)) {
1094	IVTV_ERR("Could not initialize i2c\n");
1095	goto free_io;
1096	}
1097
1098	if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
1099	/* Based on the model number the cardtype may be changed.
1100	The PCI IDs are not always reliable. */
1101	ivtv_process_eeprom(itv);
1102	}
1103	if (itv->card->comment)
1104	IVTV_INFO("%s", itv->card->comment);
1105	if (itv->card->v4l2_capabilities == 0) {
1106	/* card was detected but is not supported */
1107	retval = -ENODEV;
1108	goto free_i2c;
1109	}
1110
1111	if (itv->std == 0) {
1112	itv->std = V4L2_STD_NTSC_M;
1113	}
1114
1115	if (itv->options.tuner == -1) {
1116	int i;
1117
1118	for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
1119	if ((itv->std & itv->card->tuners[i].std) == 0)
1120	continue;
1121	itv->options.tuner = itv->card->tuners[i].tuner;
1122	break;
1123	}
1124	}
1125	/* if no tuner was found, then pick the first tuner in the card list */
1126	if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
1127	itv->std = itv->card->tuners[0].std;
1128	if (itv->std & V4L2_STD_PAL)
1129	itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1130	else if (itv->std & V4L2_STD_NTSC)
1131	itv->std = V4L2_STD_NTSC_M;
1132	else if (itv->std & V4L2_STD_SECAM)
1133	itv->std = V4L2_STD_SECAM_L;
1134	itv->options.tuner = itv->card->tuners[0].tuner;
1135	}
1136	if (itv->options.radio == -1)
1137	itv->options.radio = (itv->card->radio_input.audio_type != 0);
1138
1139	/* The card is now fully identified, continue with card-specific
1140	initialization. */
1141	ivtv_init_struct2(itv);
1142
1143	ivtv_load_and_init_modules(itv);
1144
1145	if (itv->std & V4L2_STD_525_60) {
1146	itv->is_60hz = 1;
1147	itv->is_out_60hz = 1;
1148	} else {
1149	itv->is_50hz = 1;
1150	itv->is_out_50hz = 1;
1151	}
1152
1153	itv->yuv_info.osd_full_w = 720;
1154	itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
1155	itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
1156	itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
1157
1158	cx2341x_handler_set_50hz(cxhdl: &itv->cxhdl, is_50hz: itv->is_50hz);
1159
1160	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
1161	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
1162	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
1163	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
1164	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
1165
1166	/* Setup VBI Raw Size. Should be big enough to hold PAL.
1167	It is possible to switch between PAL and NTSC, so we need to
1168	take the largest size here. */
1169	/* 1456 is multiple of 16, real size = 1444 */
1170	itv->vbi.raw_size = 1456;
1171	/* We use a buffer size of 1/2 of the total size needed for a
1172	frame. This is actually very useful, since we now receive
1173	a field at a time and that makes 'compressing' the raw data
1174	down to size by stripping off the SAV codes a lot easier.
1175	Note: having two different buffer sizes prevents standard
1176	switching on the fly. We need to find a better solution... */
1177	vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
1178	itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
1179	itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
1180
1181	if (itv->options.radio > 0)
1182	itv->v4l2_cap |= V4L2_CAP_RADIO;
1183
1184	if (itv->options.tuner > -1) {
1185	struct tuner_setup setup;
1186
1187	setup.addr = ADDR_UNSET;
1188	setup.type = itv->options.tuner;
1189	setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
1190	if (itv->options.radio > 0)
1191	setup.mode_mask |= T_RADIO;
1192	setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1193	ivtv_reset_tuner_gpio : NULL;
1194	ivtv_call_all(itv, tuner, s_type_addr, &setup);
1195	if (setup.type == TUNER_XC2028) {
1196	static struct xc2028_ctrl ctrl = {
1197	.fname = XC2028_DEFAULT_FIRMWARE,
1198	.max_len = 64,
1199	};
1200	struct v4l2_priv_tun_config cfg = {
1201	.tuner = itv->options.tuner,
1202	.priv = &ctrl,
1203	};
1204	ivtv_call_all(itv, tuner, s_config, &cfg);
1205	}
1206	}
1207
1208	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1209	are not. */
1210	itv->tuner_std = itv->std;
1211
1212	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1213	struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
1214
1215	itv->ctrl_pts = v4l2_ctrl_new_std(hdl, ops: &ivtv_hdl_out_ops,
1216	V4L2_CID_MPEG_VIDEO_DEC_PTS, min: 0, max: 0, step: 0, def: 0);
1217	itv->ctrl_frame = v4l2_ctrl_new_std(hdl, ops: &ivtv_hdl_out_ops,
1218	V4L2_CID_MPEG_VIDEO_DEC_FRAME, min: 0, max: 0, step: 0, def: 0);
1219	/* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
1220	mask that menu item. */
1221	itv->ctrl_audio_playback =
1222	v4l2_ctrl_new_std_menu(hdl, ops: &ivtv_hdl_out_ops,
1223	V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
1224	max: V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1225	mask: 1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1226	def: V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
1227	itv->ctrl_audio_multilingual_playback =
1228	v4l2_ctrl_new_std_menu(hdl, ops: &ivtv_hdl_out_ops,
1229	V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
1230	max: V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
1231	mask: 1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
1232	def: V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
1233	if (hdl->error) {
1234	retval = hdl->error;
1235	goto free_i2c;
1236	}
1237	v4l2_ctrl_cluster(ncontrols: 2, controls: &itv->ctrl_pts);
1238	v4l2_ctrl_cluster(ncontrols: 2, controls: &itv->ctrl_audio_playback);
1239	ivtv_call_all(itv, video, s_std_output, itv->std);
1240	/* Turn off the output signal. The mpeg decoder is not yet
1241	active so without this you would get a green image until the
1242	mpeg decoder becomes active. */
1243	ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1244	}
1245
1246	/* clear interrupt mask, effectively disabling interrupts */
1247	ivtv_set_irq_mask(itv, mask: 0xffffffff);
1248
1249	/* Register IRQ */
1250	retval = request_irq(irq: itv->pdev->irq, handler: ivtv_irq_handler,
1251	IRQF_SHARED, name: itv->v4l2_dev.name, dev: (void *)itv);
1252	if (retval) {
1253	IVTV_ERR("Failed to register irq %d\n", retval);
1254	goto free_i2c;
1255	}
1256
1257	retval = ivtv_streams_setup(itv);
1258	if (retval) {
1259	IVTV_ERR("Error %d setting up streams\n", retval);
1260	goto free_irq;
1261	}
1262	retval = ivtv_streams_register(itv);
1263	if (retval) {
1264	IVTV_ERR("Error %d registering devices\n", retval);
1265	goto free_streams;
1266	}
1267	IVTV_INFO("Initialized card: %s\n", itv->card_name);
1268
1269	/* Load ivtv submodules (ivtv-alsa) */
1270	request_modules(itv);
1271	return 0;
1272
1273	free_streams:
1274	ivtv_streams_cleanup(itv);
1275	free_irq:
1276	free_irq(itv->pdev->irq, (void *)itv);
1277	free_i2c:
1278	v4l2_ctrl_handler_free(hdl: &itv->cxhdl.hdl);
1279	exit_ivtv_i2c(itv);
1280	free_io:
1281	ivtv_iounmap(itv);
1282	free_mem:
1283	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1284	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1285	if (itv->has_cx23415)
1286	release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1287	free_worker:
1288	kthread_stop(k: itv->irq_worker_task);
1289	err:
1290	if (retval == 0)
1291	retval = -ENODEV;
1292	IVTV_ERR("Error %d on initialization\n", retval);
1293
1294	v4l2_device_unregister(v4l2_dev: &itv->v4l2_dev);
1295	kfree(objp: itv);
1296	return retval;
1297	}
1298
1299	int ivtv_init_on_first_open(struct ivtv *itv)
1300	{
1301	struct v4l2_frequency vf;
1302	/* Needed to call ioctls later */
1303	struct ivtv_open_id fh;
1304	int fw_retry_count = 3;
1305	int video_input;
1306
1307	fh.itv = itv;
1308	fh.type = IVTV_ENC_STREAM_TYPE_MPG;
1309
1310	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
1311	return -ENXIO;
1312
1313	if (test_and_set_bit(IVTV_F_I_INITED, addr: &itv->i_flags))
1314	return 0;
1315
1316	while (--fw_retry_count > 0) {
1317	/* load firmware */
1318	if (ivtv_firmware_init(itv) == 0)
1319	break;
1320	if (fw_retry_count > 1)
1321	IVTV_WARN("Retry loading firmware\n");
1322	}
1323
1324	if (fw_retry_count == 0) {
1325	set_bit(IVTV_F_I_FAILED, addr: &itv->i_flags);
1326	return -ENXIO;
1327	}
1328
1329	/* Try and get firmware versions */
1330	IVTV_DEBUG_INFO("Getting firmware version..\n");
1331	ivtv_firmware_versions(itv);
1332
1333	if (itv->card->hw_all & IVTV_HW_CX25840)
1334	v4l2_subdev_call(itv->sd_video, core, load_fw);
1335
1336	vf.tuner = 0;
1337	vf.type = V4L2_TUNER_ANALOG_TV;
1338	vf.frequency = 6400; /* the tuner 'baseline' frequency */
1339
1340	/* Set initial frequency. For PAL/SECAM broadcasts no
1341	'default' channel exists AFAIK. */
1342	if (itv->std == V4L2_STD_NTSC_M_JP) {
1343	vf.frequency = 1460; /* ch. 1 91250*16/1000 */
1344	}
1345	else if (itv->std & V4L2_STD_NTSC_M) {
1346	vf.frequency = 1076; /* ch. 4 67250*16/1000 */
1347	}
1348
1349	video_input = itv->active_input;
1350	itv->active_input++; /* Force update of input */
1351	ivtv_s_input(NULL, fh: &fh, inp: video_input);
1352
1353	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1354	in one place. */
1355	itv->std++; /* Force full standard initialization */
1356	itv->std_out = itv->std;
1357	ivtv_s_frequency(NULL, fh: &fh, vf: &vf);
1358
1359	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
1360	/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
1361	the mpeg decoder so now the saa7127 receives a proper
1362	signal. */
1363	ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
1364	ivtv_init_mpeg_decoder(itv);
1365	}
1366
1367	/* On a cx23416 this seems to be able to enable DMA to the chip? */
1368	if (!itv->has_cx23415)
1369	write_reg_sync(0x03, IVTV_REG_DMACONTROL);
1370
1371	ivtv_s_std_enc(itv, std: itv->tuner_std);
1372
1373	/* Default interrupts enabled. For the PVR350 this includes the
1374	decoder VSYNC interrupt, which is always on. It is not only used
1375	during decoding but also by the OSD.
1376	Some old PVR250 cards had a cx23415, so testing for that is too
1377	general. Instead test if the card has video output capability. */
1378	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1379	ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
1380	ivtv_set_osd_alpha(itv);
1381	ivtv_s_std_dec(itv, std: itv->tuner_std);
1382	} else {
1383	ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
1384	}
1385
1386	/* Setup initial controls */
1387	cx2341x_handler_setup(cxhdl: &itv->cxhdl);
1388	return 0;
1389	}
1390
1391	static void ivtv_remove(struct pci_dev *pdev)
1392	{
1393	struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
1394	struct ivtv *itv = to_ivtv(v4l2_dev);
1395	int i;
1396
1397	IVTV_DEBUG_INFO("Removing card\n");
1398
1399	flush_request_modules(itv);
1400
1401	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
1402	/* Stop all captures */
1403	IVTV_DEBUG_INFO("Stopping all streams\n");
1404	if (atomic_read(v: &itv->capturing) > 0)
1405	ivtv_stop_all_captures(itv);
1406
1407	/* Stop all decoding */
1408	IVTV_DEBUG_INFO("Stopping decoding\n");
1409
1410	/* Turn off the TV-out */
1411	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
1412	ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
1413	if (atomic_read(v: &itv->decoding) > 0) {
1414	int type;
1415
1416	if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
1417	type = IVTV_DEC_STREAM_TYPE_YUV;
1418	else
1419	type = IVTV_DEC_STREAM_TYPE_MPG;
1420	ivtv_stop_v4l2_decode_stream(s: &itv->streams[type],
1421	V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, pts: 0);
1422	}
1423	ivtv_halt_firmware(itv);
1424	}
1425
1426	/* Interrupts */
1427	ivtv_set_irq_mask(itv, mask: 0xffffffff);
1428	timer_shutdown_sync(timer: &itv->dma_timer);
1429
1430	/* Kill irq worker */
1431	kthread_flush_worker(worker: &itv->irq_worker);
1432	kthread_stop(k: itv->irq_worker_task);
1433
1434	ivtv_streams_cleanup(itv);
1435	ivtv_udma_free(itv);
1436
1437	v4l2_ctrl_handler_free(hdl: &itv->cxhdl.hdl);
1438
1439	exit_ivtv_i2c(itv);
1440
1441	free_irq(itv->pdev->irq, (void *)itv);
1442	ivtv_iounmap(itv);
1443
1444	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
1445	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
1446	if (itv->has_cx23415)
1447	release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
1448
1449	pci_disable_device(dev: itv->pdev);
1450	for (i = 0; i < IVTV_VBI_FRAMES; i++)
1451	kfree(objp: itv->vbi.sliced_mpeg_data[i]);
1452
1453	pr_info("Removed %s\n", itv->card_name);
1454
1455	v4l2_device_unregister(v4l2_dev: &itv->v4l2_dev);
1456	kfree(objp: itv);
1457	}
1458
1459	/* define a pci_driver for card detection */
1460	static struct pci_driver ivtv_pci_driver = {
1461	.name = "ivtv",
1462	.id_table = ivtv_pci_tbl,
1463	.probe = ivtv_probe,
1464	.remove = ivtv_remove,
1465	};
1466
1467	static int __init module_start(void)
1468	{
1469	pr_info("Start initialization, version %s\n", IVTV_VERSION);
1470
1471	/* Validate parameters */
1472	if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
1473	pr_err("Exiting, ivtv_first_minor must be between 0 and %d\n",
1474	IVTV_MAX_CARDS - 1);
1475	return -1;
1476	}
1477
1478	if (ivtv_debug < 0 || ivtv_debug > 2047) {
1479	ivtv_debug = 0;
1480	pr_info("Debug value must be >= 0 and <= 2047\n");
1481	}
1482
1483	if (pci_register_driver(&ivtv_pci_driver)) {
1484	pr_err("Error detecting PCI card\n");
1485	return -ENODEV;
1486	}
1487	pr_info("End initialization\n");
1488	return 0;
1489	}
1490
1491	static void __exit module_cleanup(void)
1492	{
1493	pci_unregister_driver(dev: &ivtv_pci_driver);
1494	}
1495
1496	/* Note: These symbols are exported because they are used by the ivtvfb
1497	framebuffer module and an infrared module for the IR-blaster. */
1498	EXPORT_SYMBOL(ivtv_set_irq_mask);
1499	EXPORT_SYMBOL(ivtv_api);
1500	EXPORT_SYMBOL(ivtv_vapi);
1501	EXPORT_SYMBOL(ivtv_vapi_result);
1502	EXPORT_SYMBOL(ivtv_clear_irq_mask);
1503	EXPORT_SYMBOL(ivtv_debug);
1504	#ifdef CONFIG_VIDEO_ADV_DEBUG
1505	EXPORT_SYMBOL(ivtv_fw_debug);
1506	#endif
1507	EXPORT_SYMBOL(ivtv_reset_ir_gpio);
1508	EXPORT_SYMBOL(ivtv_udma_setup);
1509	EXPORT_SYMBOL(ivtv_udma_unmap);
1510	EXPORT_SYMBOL(ivtv_udma_alloc);
1511	EXPORT_SYMBOL(ivtv_udma_prepare);
1512	EXPORT_SYMBOL(ivtv_init_on_first_open);
1513	EXPORT_SYMBOL(ivtv_firmware_check);
1514
1515	module_init(module_start);
1516	module_exit(module_cleanup);
1517