1	// SPDX-License-Identifier: GPL-2.0-or-later
2	/*
3	*
4	* device driver for philips saa7134 based TV cards
5	* driver core
6	*
7	* (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8	*/
9
10	#include "saa7134.h"
11	#include "saa7134-reg.h"
12
13	#include <linux/init.h>
14	#include <linux/list.h>
15	#include <linux/module.h>
16	#include <linux/kernel.h>
17	#include <linux/slab.h>
18	#include <linux/kmod.h>
19	#include <linux/sound.h>
20	#include <linux/interrupt.h>
21	#include <linux/delay.h>
22	#include <linux/mutex.h>
23	#include <linux/dma-mapping.h>
24	#include <linux/pm.h>
25
26	MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
27	MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
28	MODULE_LICENSE("GPL");
29	MODULE_VERSION(SAA7134_VERSION);
30
31
32	/* ------------------------------------------------------------------ */
33
34	static unsigned int irq_debug;
35	module_param(irq_debug, int, 0644);
36	MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
37
38	static unsigned int core_debug;
39	module_param(core_debug, int, 0644);
40	MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
41
42	static unsigned int gpio_tracking;
43	module_param(gpio_tracking, int, 0644);
44	MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
45
46	static unsigned int alsa = 1;
47	module_param(alsa, int, 0644);
48	MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
49
50	static unsigned int latency = UNSET;
51	module_param(latency, int, 0444);
52	MODULE_PARM_DESC(latency,"pci latency timer");
53
54	bool saa7134_userptr;
55	module_param(saa7134_userptr, bool, 0644);
56	MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
57
58	static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
59	static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
60	static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
61	static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
62	static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
63
64
65	module_param_array(video_nr, int, NULL, 0444);
66	module_param_array(vbi_nr, int, NULL, 0444);
67	module_param_array(radio_nr, int, NULL, 0444);
68	module_param_array(tuner, int, NULL, 0444);
69	module_param_array(card, int, NULL, 0444);
70
71	MODULE_PARM_DESC(video_nr, "video device number");
72	MODULE_PARM_DESC(vbi_nr, "vbi device number");
73	MODULE_PARM_DESC(radio_nr, "radio device number");
74	MODULE_PARM_DESC(tuner, "tuner type");
75	MODULE_PARM_DESC(card, "card type");
76
77	DEFINE_MUTEX(saa7134_devlist_lock);
78	EXPORT_SYMBOL(saa7134_devlist_lock);
79	LIST_HEAD(saa7134_devlist);
80	EXPORT_SYMBOL(saa7134_devlist);
81	static LIST_HEAD(mops_list);
82	static unsigned int saa7134_devcount;
83
84	int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
85	int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
86
87	#define core_dbg(fmt, arg...) do { \
88	if (core_debug) \
89	printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
90	} while (0)
91
92	#define irq_dbg(level, fmt, arg...) do {\
93	if (irq_debug > level) \
94	printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
95	} while (0)
96
97	void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg)
98	{
99	unsigned long mode,status;
100
101	if (!gpio_tracking)
102	return;
103	/* rising SAA7134_GPIO_GPRESCAN reads the status */
104	saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
105	saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
106	mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
107	status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
108	core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
109	dev->name, mode, (~mode) & status, mode & status, msg);
110	}
111
112	void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
113	{
114	u32 index, bitval;
115
116	index = 1 << bit_no;
117	switch (value) {
118	case 0: /* static value */
119	case 1:
120	core_dbg("setting GPIO%d to static %d\n", bit_no, value);
121	/* turn sync mode off if necessary */
122	if (index & 0x00c00000)
123	saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
124	if (value)
125	bitval = index;
126	else
127	bitval = 0;
128	saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
129	saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
130	break;
131	case 3: /* tristate */
132	core_dbg("setting GPIO%d to tristate\n", bit_no);
133	saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
134	break;
135	}
136	}
137
138	/* ------------------------------------------------------------------ */
139
140
141	/* ----------------------------------------------------------- */
142	/* delayed request_module */
143
144	#if defined(CONFIG_MODULES) && defined(MODULE)
145
146	static void request_module_async(struct work_struct *work){
147	struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
148	if (card_is_empress(dev))
149	request_module("saa7134-empress");
150	if (card_is_dvb(dev))
151	request_module("saa7134-dvb");
152	if (card_is_go7007(dev))
153	request_module("saa7134-go7007");
154	if (alsa) {
155	if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
156	request_module("saa7134-alsa");
157	}
158	}
159
160	static void request_submodules(struct saa7134_dev *dev)
161	{
162	INIT_WORK(&dev->request_module_wk, request_module_async);
163	schedule_work(&dev->request_module_wk);
164	}
165
166	static void flush_request_submodules(struct saa7134_dev *dev)
167	{
168	flush_work(&dev->request_module_wk);
169	}
170
171	#else
172	#define request_submodules(dev)
173	#define flush_request_submodules(dev)
174	#endif /* CONFIG_MODULES */
175
176	/* ------------------------------------------------------------------ */
177
178	/* nr of (saa7134-)pages for the given buffer size */
179	static int saa7134_buffer_pages(int size)
180	{
181	size = PAGE_ALIGN(size);
182	size += PAGE_SIZE; /* for non-page-aligned buffers */
183	size /= 4096;
184	return size;
185	}
186
187	/* calc max # of buffers from size (must not exceed the 4MB virtual
188	* address space per DMA channel) */
189	int saa7134_buffer_count(unsigned int size, unsigned int count)
190	{
191	unsigned int maxcount;
192
193	maxcount = 1024 / saa7134_buffer_pages(size);
194	if (count > maxcount)
195	count = maxcount;
196	return count;
197	}
198
199	int saa7134_buffer_startpage(struct saa7134_buf *buf)
200	{
201	return saa7134_buffer_pages(size: vb2_plane_size(vb: &buf->vb2.vb2_buf, plane_no: 0))
202	* buf->vb2.vb2_buf.index;
203	}
204
205	unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
206	{
207	unsigned long base;
208	struct sg_table *dma = vb2_dma_sg_plane_desc(vb: &buf->vb2.vb2_buf, plane_no: 0);
209
210	base = saa7134_buffer_startpage(buf) * 4096;
211	base += dma->sgl[0].offset;
212	return base;
213	}
214
215	/* ------------------------------------------------------------------ */
216
217	int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
218	{
219	__le32 *cpu;
220	dma_addr_t dma_addr = 0;
221
222	cpu = dma_alloc_coherent(dev: &pci->dev, SAA7134_PGTABLE_SIZE, dma_handle: &dma_addr,
223	GFP_KERNEL);
224	if (NULL == cpu)
225	return -ENOMEM;
226	pt->size = SAA7134_PGTABLE_SIZE;
227	pt->cpu = cpu;
228	pt->dma = dma_addr;
229	return 0;
230	}
231
232	int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
233	struct scatterlist *list, unsigned int length,
234	unsigned int startpage)
235	{
236	__le32 *ptr;
237	unsigned int i, p;
238
239	BUG_ON(NULL == pt || NULL == pt->cpu);
240
241	ptr = pt->cpu + startpage;
242	for (i = 0; i < length; i++, list = sg_next(list)) {
243	for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++)
244	*ptr = cpu_to_le32(sg_dma_address(list) +
245	list->offset + p * 4096);
246	}
247	return 0;
248	}
249
250	void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
251	{
252	if (NULL == pt->cpu)
253	return;
254	dma_free_coherent(dev: &pci->dev, size: pt->size, cpu_addr: pt->cpu, dma_handle: pt->dma);
255	pt->cpu = NULL;
256	}
257
258	/* ------------------------------------------------------------------ */
259
260	int saa7134_buffer_queue(struct saa7134_dev *dev,
261	struct saa7134_dmaqueue *q,
262	struct saa7134_buf *buf)
263	{
264	struct saa7134_buf *next = NULL;
265	unsigned long flags;
266
267	spin_lock_irqsave(&dev->slock, flags);
268	core_dbg("buffer_queue %p\n", buf);
269	if (NULL == q->curr) {
270	if (!q->need_two) {
271	q->curr = buf;
272	buf->activate(dev, buf, NULL);
273	} else if (list_empty(head: &q->queue)) {
274	list_add_tail(new: &buf->entry, head: &q->queue);
275	} else {
276	next = list_entry(q->queue.next, struct saa7134_buf,
277	entry);
278	q->curr = buf;
279	buf->activate(dev, buf, next);
280	}
281	} else {
282	list_add_tail(new: &buf->entry, head: &q->queue);
283	}
284	spin_unlock_irqrestore(lock: &dev->slock, flags);
285	return 0;
286	}
287
288	void saa7134_buffer_finish(struct saa7134_dev *dev,
289	struct saa7134_dmaqueue *q,
290	unsigned int state)
291	{
292	core_dbg("buffer_finish %p\n", q->curr);
293
294	/* finish current buffer */
295	q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
296	q->curr->vb2.sequence = q->seq_nr++;
297	vb2_buffer_done(vb: &q->curr->vb2.vb2_buf, state);
298	q->curr = NULL;
299	}
300
301	void saa7134_buffer_next(struct saa7134_dev *dev,
302	struct saa7134_dmaqueue *q)
303	{
304	struct saa7134_buf *buf,*next = NULL;
305
306	assert_spin_locked(&dev->slock);
307	BUG_ON(NULL != q->curr);
308
309	if (!list_empty(head: &q->queue)) {
310	/* activate next one from queue */
311	buf = list_entry(q->queue.next, struct saa7134_buf, entry);
312	core_dbg("buffer_next %p [prev=%p/next=%p]\n",
313	buf, q->queue.prev, q->queue.next);
314	list_del(entry: &buf->entry);
315	if (!list_empty(head: &q->queue))
316	next = list_entry(q->queue.next, struct saa7134_buf, entry);
317	q->curr = buf;
318	buf->activate(dev, buf, next);
319	core_dbg("buffer_next #2 prev=%p/next=%p\n",
320	q->queue.prev, q->queue.next);
321	} else {
322	/* nothing to do -- just stop DMA */
323	core_dbg("buffer_next %p\n", NULL);
324	saa7134_set_dmabits(dev);
325	del_timer(timer: &q->timeout);
326	}
327	}
328
329	void saa7134_buffer_timeout(struct timer_list *t)
330	{
331	struct saa7134_dmaqueue *q = from_timer(q, t, timeout);
332	struct saa7134_dev *dev = q->dev;
333	unsigned long flags;
334
335	spin_lock_irqsave(&dev->slock, flags);
336
337	/* try to reset the hardware (SWRST) */
338	saa_writeb(SAA7134_REGION_ENABLE, 0x00);
339	saa_writeb(SAA7134_REGION_ENABLE, 0x80);
340	saa_writeb(SAA7134_REGION_ENABLE, 0x00);
341
342	/* flag current buffer as failed,
343	try to start over with the next one. */
344	if (q->curr) {
345	core_dbg("timeout on %p\n", q->curr);
346	saa7134_buffer_finish(dev, q, state: VB2_BUF_STATE_ERROR);
347	}
348	saa7134_buffer_next(dev, q);
349	spin_unlock_irqrestore(lock: &dev->slock, flags);
350	}
351
352	void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
353	{
354	unsigned long flags;
355	struct list_head *pos, *n;
356	struct saa7134_buf *tmp;
357
358	spin_lock_irqsave(&dev->slock, flags);
359	list_for_each_safe(pos, n, &q->queue) {
360	tmp = list_entry(pos, struct saa7134_buf, entry);
361	vb2_buffer_done(vb: &tmp->vb2.vb2_buf,
362	state: VB2_BUF_STATE_ERROR);
363	list_del(entry: pos);
364	tmp = NULL;
365	}
366	spin_unlock_irqrestore(lock: &dev->slock, flags);
367	saa7134_buffer_timeout(t: &q->timeout); /* also calls del_timer(&q->timeout) */
368	}
369	EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
370
371	/* ------------------------------------------------------------------ */
372
373	int saa7134_set_dmabits(struct saa7134_dev *dev)
374	{
375	u32 split, task=0, ctrl=0, irq=0;
376	enum v4l2_field cap = V4L2_FIELD_ANY;
377	enum v4l2_field ov = V4L2_FIELD_ANY;
378
379	assert_spin_locked(&dev->slock);
380
381	if (dev->insuspend)
382	return 0;
383
384	/* video capture -- dma 0 + video task A */
385	if (dev->video_q.curr) {
386	task |= 0x01;
387	ctrl |= SAA7134_MAIN_CTRL_TE0;
388	irq |= SAA7134_IRQ1_INTE_RA0_1 |
389	SAA7134_IRQ1_INTE_RA0_0;
390	cap = dev->field;
391	}
392
393	/* video capture -- dma 1+2 (planar modes) */
394	if (dev->video_q.curr && dev->fmt->planar) {
395	ctrl |= SAA7134_MAIN_CTRL_TE4 |
396	SAA7134_MAIN_CTRL_TE5;
397	}
398
399	/* vbi capture -- dma 0 + vbi task A+B */
400	if (dev->vbi_q.curr) {
401	task |= 0x22;
402	ctrl |= SAA7134_MAIN_CTRL_TE2 |
403	SAA7134_MAIN_CTRL_TE3;
404	irq |= SAA7134_IRQ1_INTE_RA0_7 |
405	SAA7134_IRQ1_INTE_RA0_6 |
406	SAA7134_IRQ1_INTE_RA0_5 |
407	SAA7134_IRQ1_INTE_RA0_4;
408	}
409
410	/* audio capture -- dma 3 */
411	if (dev->dmasound.dma_running) {
412	ctrl |= SAA7134_MAIN_CTRL_TE6;
413	irq |= SAA7134_IRQ1_INTE_RA3_1 |
414	SAA7134_IRQ1_INTE_RA3_0;
415	}
416
417	/* TS capture -- dma 5 */
418	if (dev->ts_q.curr) {
419	ctrl |= SAA7134_MAIN_CTRL_TE5;
420	irq |= SAA7134_IRQ1_INTE_RA2_1 |
421	SAA7134_IRQ1_INTE_RA2_0;
422	}
423
424	/* set task conditions + field handling */
425	if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
426	/* default config -- use full frames */
427	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
428	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
429	saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
430	saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
431	split = 0;
432	} else {
433	/* split fields between tasks */
434	if (V4L2_FIELD_TOP == cap) {
435	/* odd A, even B, repeat */
436	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
437	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
438	} else {
439	/* odd B, even A, repeat */
440	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
441	saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
442	}
443	saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
444	saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
445	split = 1;
446	}
447
448	/* irqs */
449	saa_writeb(SAA7134_REGION_ENABLE, task);
450	saa_writel(SAA7134_IRQ1, irq);
451	saa_andorl(SAA7134_MAIN_CTRL,
452	SAA7134_MAIN_CTRL_TE0 |
453	SAA7134_MAIN_CTRL_TE1 |
454	SAA7134_MAIN_CTRL_TE2 |
455	SAA7134_MAIN_CTRL_TE3 |
456	SAA7134_MAIN_CTRL_TE4 |
457	SAA7134_MAIN_CTRL_TE5 |
458	SAA7134_MAIN_CTRL_TE6,
459	ctrl);
460	core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
461	task, ctrl, irq, split ? "no" : "yes");
462
463	return 0;
464	}
465
466	/* ------------------------------------------------------------------ */
467	/* IRQ handler + helpers */
468
469	static char *irqbits[] = {
470	"DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
471	"AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
472	"TRIG_ERR", "CONF_ERR", "LOAD_ERR",
473	"GPIO16", "GPIO18", "GPIO22", "GPIO23"
474	};
475	#define IRQBITS ARRAY_SIZE(irqbits)
476
477	static void print_irqstatus(struct saa7134_dev *dev, int loop,
478	unsigned long report, unsigned long status)
479	{
480	unsigned int i;
481
482	irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
483	loop, jiffies, report, status);
484	for (i = 0; i < IRQBITS; i++) {
485	if (!(report & (1 << i)))
486	continue;
487	pr_cont(" %s", irqbits[i]);
488	}
489	if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
490	pr_cont(" | RA0=%s,%s,%s,%ld",
491	(status & 0x40) ? "vbi" : "video",
492	(status & 0x20) ? "b" : "a",
493	(status & 0x10) ? "odd" : "even",
494	(status & 0x0f));
495	}
496	pr_cont("\n");
497	}
498
499	static irqreturn_t saa7134_irq(int irq, void *dev_id)
500	{
501	struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
502	unsigned long report,status;
503	int loop, handled = 0;
504
505	if (dev->insuspend)
506	goto out;
507
508	for (loop = 0; loop < 10; loop++) {
509	report = saa_readl(SAA7134_IRQ_REPORT);
510	status = saa_readl(SAA7134_IRQ_STATUS);
511
512	/* If dmasound support is active and we get a sound report,
513	* mask out the report and let the saa7134-alsa module deal
514	* with it */
515	if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
516	(dev->dmasound.priv_data != NULL) )
517	{
518	irq_dbg(2, "preserving DMA sound interrupt\n");
519	report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
520	}
521
522	if (0 == report) {
523	irq_dbg(2, "no (more) work\n");
524	goto out;
525	}
526
527	handled = 1;
528	saa_writel(SAA7134_IRQ_REPORT,report);
529	if (irq_debug)
530	print_irqstatus(dev,loop,report,status);
531
532
533	if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
534	(report & SAA7134_IRQ_REPORT_INTL))
535	saa7134_irq_video_signalchange(dev);
536
537
538	if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
539	(status & 0x60) == 0)
540	saa7134_irq_video_done(dev,status);
541
542	if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
543	(status & 0x40) == 0x40)
544	saa7134_irq_vbi_done(dev,status);
545
546	if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
547	card_has_mpeg(dev)) {
548	if (dev->mops->irq_ts_done != NULL)
549	dev->mops->irq_ts_done(dev, status);
550	else
551	saa7134_irq_ts_done(dev, status);
552	}
553
554	if (report & SAA7134_IRQ_REPORT_GPIO16) {
555	switch (dev->has_remote) {
556	case SAA7134_REMOTE_GPIO:
557	if (!dev->remote)
558	break;
559	if (dev->remote->mask_keydown & 0x10000) {
560	saa7134_input_irq(dev);
561	}
562	break;
563
564	case SAA7134_REMOTE_I2C:
565	break; /* FIXME: invoke I2C get_key() */
566
567	default: /* GPIO16 not used by IR remote */
568	break;
569	}
570	}
571
572	if (report & SAA7134_IRQ_REPORT_GPIO18) {
573	switch (dev->has_remote) {
574	case SAA7134_REMOTE_GPIO:
575	if (!dev->remote)
576	break;
577	if ((dev->remote->mask_keydown & 0x40000) ||
578	(dev->remote->mask_keyup & 0x40000)) {
579	saa7134_input_irq(dev);
580	}
581	break;
582
583	case SAA7134_REMOTE_I2C:
584	break; /* FIXME: invoke I2C get_key() */
585
586	default: /* GPIO18 not used by IR remote */
587	break;
588	}
589	}
590	}
591
592	if (10 == loop) {
593	print_irqstatus(dev,loop,report,status);
594	if (report & SAA7134_IRQ_REPORT_PE) {
595	/* disable all parity error */
596	pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
597	dev->name);
598	saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
599	} else if (report & SAA7134_IRQ_REPORT_GPIO16) {
600	/* disable gpio16 IRQ */
601	pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
602	dev->name);
603	saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
604	saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
605	} else if (report & SAA7134_IRQ_REPORT_GPIO18) {
606	/* disable gpio18 IRQs */
607	pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
608	dev->name);
609	saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
610	saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
611	} else {
612	/* disable all irqs */
613	pr_warn("%s/irq: looping -- clearing all enable bits\n",
614	dev->name);
615	saa_writel(SAA7134_IRQ1,0);
616	saa_writel(SAA7134_IRQ2,0);
617	}
618	}
619
620	out:
621	return IRQ_RETVAL(handled);
622	}
623
624	/* ------------------------------------------------------------------ */
625
626	/* early init (no i2c, no irq) */
627
628	static int saa7134_hw_enable1(struct saa7134_dev *dev)
629	{
630	/* RAM FIFO config */
631	saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
632	saa_writel(SAA7134_THRESHOULD, 0x02020202);
633
634	/* enable audio + video processing */
635	saa_writel(SAA7134_MAIN_CTRL,
636	SAA7134_MAIN_CTRL_VPLLE |
637	SAA7134_MAIN_CTRL_APLLE |
638	SAA7134_MAIN_CTRL_EXOSC |
639	SAA7134_MAIN_CTRL_EVFE1 |
640	SAA7134_MAIN_CTRL_EVFE2 |
641	SAA7134_MAIN_CTRL_ESFE |
642	SAA7134_MAIN_CTRL_EBDAC);
643
644	/*
645	* Initialize OSS _after_ enabling audio clock PLL and audio processing.
646	* OSS initialization writes to registers via the audio DSP; these
647	* writes will fail unless the audio clock has been started. At worst,
648	* audio will not work.
649	*/
650
651	/* enable peripheral devices */
652	saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
653
654	/* set vertical line numbering start (vbi needs this) */
655	saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
656
657	return 0;
658	}
659
660	static int saa7134_hwinit1(struct saa7134_dev *dev)
661	{
662	core_dbg("hwinit1\n");
663
664	saa_writel(SAA7134_IRQ1, 0);
665	saa_writel(SAA7134_IRQ2, 0);
666
667	/* Clear any stale IRQ reports */
668	saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
669
670	mutex_init(&dev->lock);
671	spin_lock_init(&dev->slock);
672
673	saa7134_track_gpio(dev,msg: "pre-init");
674	saa7134_video_init1(dev);
675	saa7134_vbi_init1(dev);
676	if (card_has_mpeg(dev))
677	saa7134_ts_init1(dev);
678	saa7134_input_init1(dev);
679
680	saa7134_hw_enable1(dev);
681
682	return 0;
683	}
684
685	/* late init (with i2c + irq) */
686	static int saa7134_hw_enable2(struct saa7134_dev *dev)
687	{
688
689	unsigned int irq2_mask;
690
691	/* enable IRQ's */
692	irq2_mask =
693	SAA7134_IRQ2_INTE_DEC3 |
694	SAA7134_IRQ2_INTE_DEC2 |
695	SAA7134_IRQ2_INTE_DEC1 |
696	SAA7134_IRQ2_INTE_DEC0 |
697	SAA7134_IRQ2_INTE_PE |
698	SAA7134_IRQ2_INTE_AR;
699
700	if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
701	if (dev->remote->mask_keydown & 0x10000)
702	irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
703	else { /* Allow enabling both IRQ edge triggers */
704	if (dev->remote->mask_keydown & 0x40000)
705	irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
706	if (dev->remote->mask_keyup & 0x40000)
707	irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
708	}
709	}
710
711	if (dev->has_remote == SAA7134_REMOTE_I2C) {
712	request_module("ir-kbd-i2c");
713	}
714
715	saa_writel(SAA7134_IRQ1, 0);
716	saa_writel(SAA7134_IRQ2, irq2_mask);
717
718	return 0;
719	}
720
721	static int saa7134_hwinit2(struct saa7134_dev *dev)
722	{
723
724	core_dbg("hwinit2\n");
725
726	saa7134_video_init2(dev);
727	saa7134_tvaudio_init2(dev);
728
729	saa7134_hw_enable2(dev);
730
731	return 0;
732	}
733
734
735	/* shutdown */
736	static int saa7134_hwfini(struct saa7134_dev *dev)
737	{
738	core_dbg("hwfini\n");
739
740	if (card_has_mpeg(dev))
741	saa7134_ts_fini(dev);
742	saa7134_input_fini(dev);
743	saa7134_vbi_fini(dev);
744	saa7134_tvaudio_fini(dev);
745	saa7134_video_fini(dev);
746	return 0;
747	}
748
749	static void must_configure_manually(int has_eeprom)
750	{
751	unsigned int i,p;
752
753	if (!has_eeprom)
754	pr_warn("saa7134: <rant>\n"
755	"saa7134: Congratulations! Your TV card vendor saved a few\n"
756	"saa7134: cents for a eeprom, thus your pci board has no\n"
757	"saa7134: subsystem ID and I can't identify it automatically\n"
758	"saa7134: </rant>\n"
759	"saa7134: I feel better now. Ok, here are the good news:\n"
760	"saa7134: You can use the card=<nr> insmod option to specify\n"
761	"saa7134: which board do you have. The list:\n");
762	else
763	pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
764	"saa7134: insmod option to specify which board do you have, but this is\n"
765	"saa7134: somewhat risky, as might damage your card. It is better to ask\n"
766	"saa7134: for support at linux-media@vger.kernel.org.\n"
767	"saa7134: The supported cards are:\n");
768
769	for (i = 0; i < saa7134_bcount; i++) {
770	pr_warn("saa7134: card=%d -> %-40.40s",
771	i,saa7134_boards[i].name);
772	for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
773	if (saa7134_pci_tbl[p].driver_data != i)
774	continue;
775	pr_cont(" %04x:%04x",
776	saa7134_pci_tbl[p].subvendor,
777	saa7134_pci_tbl[p].subdevice);
778	}
779	pr_cont("\n");
780	}
781	}
782
783	static void saa7134_unregister_media_device(struct saa7134_dev *dev)
784	{
785
786	#ifdef CONFIG_MEDIA_CONTROLLER
787	if (!dev->media_dev)
788	return;
789	media_device_unregister(mdev: dev->media_dev);
790	media_device_cleanup(mdev: dev->media_dev);
791	kfree(objp: dev->media_dev);
792	dev->media_dev = NULL;
793	#endif
794	}
795
796	static void saa7134_media_release(struct saa7134_dev *dev)
797	{
798	#ifdef CONFIG_MEDIA_CONTROLLER
799	int i;
800
801	for (i = 0; i < SAA7134_INPUT_MAX + 1; i++)
802	media_device_unregister_entity(entity: &dev->input_ent[i]);
803	#endif
804	}
805
806	#if defined(CONFIG_MEDIA_CONTROLLER)
807	static void saa7134_create_entities(struct saa7134_dev *dev)
808	{
809	int ret, i;
810	struct media_entity *entity;
811	struct media_entity *decoder = NULL;
812
813	/* Check if it is using an external analog TV demod */
814	media_device_for_each_entity(entity, dev->media_dev) {
815	if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
816	decoder = entity;
817	break;
818	}
819	}
820
821	/*
822	* saa713x is not using an external ATV demod.
823	* Register the internal one
824	*/
825	if (!decoder) {
826	dev->demod.name = "saa713x";
827	dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
828	dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
829	dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
830	dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
831	dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
832
833	ret = media_entity_pads_init(entity: &dev->demod, num_pads: SAA7134_NUM_PADS,
834	pads: dev->demod_pad);
835	if (ret < 0)
836	pr_err("failed to initialize demod pad!\n");
837
838	ret = media_device_register_entity(mdev: dev->media_dev, entity: &dev->demod);
839	if (ret < 0)
840	pr_err("failed to register demod entity!\n");
841
842	dev->decoder = &dev->demod;
843	} else {
844	dev->decoder = decoder;
845	}
846
847	/* Initialize Video, VBI and Radio pads */
848	dev->video_pad.flags = MEDIA_PAD_FL_SINK;
849	ret = media_entity_pads_init(entity: &dev->video_dev->entity, num_pads: 1,
850	pads: &dev->video_pad);
851	if (ret < 0)
852	pr_err("failed to initialize video media entity!\n");
853
854	dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
855	ret = media_entity_pads_init(entity: &dev->vbi_dev->entity, num_pads: 1,
856	pads: &dev->vbi_pad);
857	if (ret < 0)
858	pr_err("failed to initialize vbi media entity!\n");
859
860	/* Create entities for each input connector */
861	for (i = 0; i < SAA7134_INPUT_MAX; i++) {
862	struct media_entity *ent = &dev->input_ent[i];
863	struct saa7134_input *in = &card_in(dev, i);
864
865	if (in->type == SAA7134_NO_INPUT)
866	break;
867
868	/* This input uses the S-Video connector */
869	if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO)
870	continue;
871
872	ent->name = saa7134_input_name[in->type];
873	ent->flags = MEDIA_ENT_FL_CONNECTOR;
874	dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
875
876	switch (in->type) {
877	case SAA7134_INPUT_COMPOSITE:
878	case SAA7134_INPUT_COMPOSITE0:
879	case SAA7134_INPUT_COMPOSITE1:
880	case SAA7134_INPUT_COMPOSITE2:
881	case SAA7134_INPUT_COMPOSITE3:
882	case SAA7134_INPUT_COMPOSITE4:
883	ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
884	break;
885	case SAA7134_INPUT_SVIDEO:
886	case SAA7134_INPUT_SVIDEO0:
887	case SAA7134_INPUT_SVIDEO1:
888	ent->function = MEDIA_ENT_F_CONN_SVIDEO;
889	break;
890	default:
891	/*
892	* SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO.
893	*
894	* Please notice that neither SAA7134_INPUT_MUTE or
895	* SAA7134_INPUT_RADIO are defined at
896	* saa7134_board.input.
897	*/
898	ent->function = MEDIA_ENT_F_CONN_RF;
899	break;
900	}
901
902	ret = media_entity_pads_init(entity: ent, num_pads: 1, pads: &dev->input_pad[i]);
903	if (ret < 0)
904	pr_err("failed to initialize input pad[%d]!\n", i);
905
906	ret = media_device_register_entity(mdev: dev->media_dev, entity: ent);
907	if (ret < 0)
908	pr_err("failed to register input entity %d!\n", i);
909	}
910
911	/* Create input for Radio RF connector */
912	if (card_has_radio(dev)) {
913	struct saa7134_input *in = &saa7134_boards[dev->board].radio;
914	struct media_entity *ent = &dev->input_ent[i];
915
916	ent->name = saa7134_input_name[in->type];
917	ent->flags = MEDIA_ENT_FL_CONNECTOR;
918	dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
919	ent->function = MEDIA_ENT_F_CONN_RF;
920
921	ret = media_entity_pads_init(entity: ent, num_pads: 1, pads: &dev->input_pad[i]);
922	if (ret < 0)
923	pr_err("failed to initialize input pad[%d]!\n", i);
924
925	ret = media_device_register_entity(mdev: dev->media_dev, entity: ent);
926	if (ret < 0)
927	pr_err("failed to register input entity %d!\n", i);
928	}
929	}
930	#endif
931
932	static struct video_device *vdev_init(struct saa7134_dev *dev,
933	struct video_device *template,
934	char *type)
935	{
936	struct video_device *vfd;
937
938	vfd = video_device_alloc();
939	if (NULL == vfd)
940	return NULL;
941	*vfd = *template;
942	vfd->v4l2_dev = &dev->v4l2_dev;
943	vfd->release = video_device_release;
944	snprintf(buf: vfd->name, size: sizeof(vfd->name), fmt: "%s %s (%s)",
945	dev->name, type, saa7134_boards[dev->board].name);
946	video_set_drvdata(vdev: vfd, data: dev);
947	return vfd;
948	}
949
950	static void saa7134_unregister_video(struct saa7134_dev *dev)
951	{
952	saa7134_media_release(dev);
953
954	if (dev->video_dev) {
955	if (video_is_registered(vdev: dev->video_dev))
956	vb2_video_unregister_device(vdev: dev->video_dev);
957	else
958	video_device_release(vdev: dev->video_dev);
959	dev->video_dev = NULL;
960	}
961	if (dev->vbi_dev) {
962	if (video_is_registered(vdev: dev->vbi_dev))
963	vb2_video_unregister_device(vdev: dev->vbi_dev);
964	else
965	video_device_release(vdev: dev->vbi_dev);
966	dev->vbi_dev = NULL;
967	}
968	if (dev->radio_dev) {
969	if (video_is_registered(vdev: dev->radio_dev))
970	video_unregister_device(vdev: dev->radio_dev);
971	else
972	video_device_release(vdev: dev->radio_dev);
973	dev->radio_dev = NULL;
974	}
975	}
976
977	static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
978	struct saa7134_dev *dev)
979	{
980	int err;
981
982	if (NULL != dev->mops)
983	return;
984	if (saa7134_boards[dev->board].mpeg != ops->type)
985	return;
986	err = ops->init(dev);
987	if (0 != err)
988	return;
989	dev->mops = ops;
990	}
991
992	static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
993	struct saa7134_dev *dev)
994	{
995	if (NULL == dev->mops)
996	return;
997	if (dev->mops != ops)
998	return;
999	dev->mops->fini(dev);
1000	dev->mops = NULL;
1001	}
1002
1003	static int saa7134_initdev(struct pci_dev *pci_dev,
1004	const struct pci_device_id *pci_id)
1005	{
1006	struct saa7134_dev *dev;
1007	struct saa7134_mpeg_ops *mops;
1008	int err;
1009
1010	if (saa7134_devcount == SAA7134_MAXBOARDS)
1011	return -ENOMEM;
1012
1013	dev = kzalloc(size: sizeof(*dev),GFP_KERNEL);
1014	if (NULL == dev)
1015	return -ENOMEM;
1016
1017	dev->nr = saa7134_devcount;
1018	sprintf(buf: dev->name, fmt: "saa%x[%d]", pci_dev->device, dev->nr);
1019
1020	#ifdef CONFIG_MEDIA_CONTROLLER
1021	dev->media_dev = kzalloc(size: sizeof(*dev->media_dev), GFP_KERNEL);
1022	if (!dev->media_dev) {
1023	err = -ENOMEM;
1024	goto err_free_dev;
1025	}
1026	media_device_pci_init(mdev: dev->media_dev, pci_dev, name: dev->name);
1027	dev->v4l2_dev.mdev = dev->media_dev;
1028	#endif
1029
1030	err = v4l2_device_register(dev: &pci_dev->dev, v4l2_dev: &dev->v4l2_dev);
1031	if (err)
1032	goto err_free_dev;
1033
1034	/* pci init */
1035	dev->pci = pci_dev;
1036	if (pci_enable_device(dev: pci_dev)) {
1037	err = -EIO;
1038	goto err_v4l2_unregister;
1039	}
1040
1041	/* pci quirks */
1042	if (pci_pci_problems) {
1043	if (pci_pci_problems & PCIPCI_TRITON)
1044	pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
1045	if (pci_pci_problems & PCIPCI_NATOMA)
1046	pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
1047	if (pci_pci_problems & PCIPCI_VIAETBF)
1048	pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
1049	if (pci_pci_problems & PCIPCI_VSFX)
1050	pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name);
1051	#ifdef PCIPCI_ALIMAGIK
1052	if (pci_pci_problems & PCIPCI_ALIMAGIK) {
1053	pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
1054	dev->name);
1055	latency = 0x0A;
1056	}
1057	#endif
1058	}
1059	if (UNSET != latency) {
1060	pr_info("%s: setting pci latency timer to %d\n",
1061	dev->name,latency);
1062	pci_write_config_byte(dev: pci_dev, PCI_LATENCY_TIMER, val: latency);
1063	}
1064
1065	/* print pci info */
1066	dev->pci_rev = pci_dev->revision;
1067	pci_read_config_byte(dev: pci_dev, PCI_LATENCY_TIMER, val: &dev->pci_lat);
1068	pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1069	dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1070	dev->pci_lat,
1071	(unsigned long long)pci_resource_start(pci_dev, 0));
1072	pci_set_master(dev: pci_dev);
1073	err = dma_set_mask(dev: &pci_dev->dev, DMA_BIT_MASK(32));
1074	if (err) {
1075	pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
1076	goto err_v4l2_unregister;
1077	}
1078
1079	/* board config */
1080	dev->board = pci_id->driver_data;
1081	if ((unsigned)card[dev->nr] < saa7134_bcount)
1082	dev->board = card[dev->nr];
1083	if (SAA7134_BOARD_UNKNOWN == dev->board)
1084	must_configure_manually(has_eeprom: 0);
1085	else if (SAA7134_BOARD_NOAUTO == dev->board) {
1086	must_configure_manually(has_eeprom: 1);
1087	dev->board = SAA7134_BOARD_UNKNOWN;
1088	}
1089	dev->autodetected = card[dev->nr] != dev->board;
1090	dev->tuner_type = saa7134_boards[dev->board].tuner_type;
1091	dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1092	dev->radio_type = saa7134_boards[dev->board].radio_type;
1093	dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1094	dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
1095	if (UNSET != tuner[dev->nr])
1096	dev->tuner_type = tuner[dev->nr];
1097	pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1098	dev->name,pci_dev->subsystem_vendor,
1099	pci_dev->subsystem_device,saa7134_boards[dev->board].name,
1100	dev->board, dev->autodetected ?
1101	"autodetected" : "insmod option");
1102
1103	/* get mmio */
1104	if (!request_mem_region(pci_resource_start(pci_dev,0),
1105	pci_resource_len(pci_dev,0),
1106	dev->name)) {
1107	err = -EBUSY;
1108	pr_err("%s: can't get MMIO memory @ 0x%llx\n",
1109	dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1110	goto err_v4l2_unregister;
1111	}
1112	dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
1113	pci_resource_len(pci_dev, 0));
1114	dev->bmmio = (__u8 __iomem *)dev->lmmio;
1115	if (NULL == dev->lmmio) {
1116	err = -EIO;
1117	pr_err("%s: can't ioremap() MMIO memory\n",
1118	dev->name);
1119	goto err_release_mem_reg;
1120	}
1121
1122	/* initialize hardware #1 */
1123	saa7134_board_init1(dev);
1124	saa7134_hwinit1(dev);
1125
1126	/* get irq */
1127	err = request_irq(irq: pci_dev->irq, handler: saa7134_irq,
1128	IRQF_SHARED, name: dev->name, dev);
1129	if (err < 0) {
1130	pr_err("%s: can't get IRQ %d\n",
1131	dev->name,pci_dev->irq);
1132	goto err_iounmap;
1133	}
1134
1135	/* wait a bit, register i2c bus */
1136	msleep(msecs: 100);
1137	saa7134_i2c_register(dev);
1138	saa7134_board_init2(dev);
1139
1140	saa7134_hwinit2(dev);
1141
1142	/* load i2c helpers */
1143	if (card_is_empress(dev)) {
1144	dev->empress_sd =
1145	v4l2_i2c_new_subdev(v4l2_dev: &dev->v4l2_dev, adapter: &dev->i2c_adap,
1146	client_type: "saa6752hs",
1147	addr: saa7134_boards[dev->board].empress_addr, NULL);
1148
1149	if (dev->empress_sd)
1150	dev->empress_sd->grp_id = GRP_EMPRESS;
1151	}
1152
1153	if (saa7134_boards[dev->board].rds_addr) {
1154	struct v4l2_subdev *sd;
1155
1156	sd = v4l2_i2c_new_subdev(v4l2_dev: &dev->v4l2_dev,
1157	adapter: &dev->i2c_adap, client_type: "saa6588",
1158	addr: 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1159	if (sd) {
1160	pr_info("%s: found RDS decoder\n", dev->name);
1161	dev->has_rds = 1;
1162	}
1163	}
1164
1165	mutex_lock(&saa7134_devlist_lock);
1166	list_for_each_entry(mops, &mops_list, next)
1167	mpeg_ops_attach(ops: mops, dev);
1168	list_add_tail(new: &dev->devlist, head: &saa7134_devlist);
1169	mutex_unlock(lock: &saa7134_devlist_lock);
1170
1171	/* check for signal */
1172	saa7134_irq_video_signalchange(dev);
1173
1174	if (TUNER_ABSENT != dev->tuner_type)
1175	saa_call_all(dev, core, s_power, 0);
1176
1177	/* register v4l devices */
1178	dev->video_dev = vdev_init(dev,template: &saa7134_video_template,type: "video");
1179	dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1180	dev->video_dev->lock = &dev->lock;
1181	dev->video_dev->queue = &dev->video_vbq;
1182	dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1183	V4L2_CAP_VIDEO_CAPTURE;
1184	if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1185	dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1186
1187	err = video_register_device(vdev: dev->video_dev,type: VFL_TYPE_VIDEO,
1188	nr: video_nr[dev->nr]);
1189	if (err < 0) {
1190	pr_info("%s: can't register video device\n",
1191	dev->name);
1192	goto err_unregister_video;
1193	}
1194	pr_info("%s: registered device %s [v4l2]\n",
1195	dev->name, video_device_node_name(dev->video_dev));
1196
1197	dev->vbi_dev = vdev_init(dev, template: &saa7134_video_template, type: "vbi");
1198	dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1199	dev->vbi_dev->lock = &dev->lock;
1200	dev->vbi_dev->queue = &dev->vbi_vbq;
1201	dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1202	V4L2_CAP_VBI_CAPTURE;
1203	if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1204	dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1205
1206	err = video_register_device(vdev: dev->vbi_dev,type: VFL_TYPE_VBI,
1207	nr: vbi_nr[dev->nr]);
1208	if (err < 0)
1209	goto err_unregister_video;
1210	pr_info("%s: registered device %s\n",
1211	dev->name, video_device_node_name(dev->vbi_dev));
1212
1213	if (card_has_radio(dev)) {
1214	dev->radio_dev = vdev_init(dev,template: &saa7134_radio_template,type: "radio");
1215	dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1216	dev->radio_dev->lock = &dev->lock;
1217	dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1218	if (dev->has_rds)
1219	dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE;
1220	err = video_register_device(vdev: dev->radio_dev,type: VFL_TYPE_RADIO,
1221	nr: radio_nr[dev->nr]);
1222	if (err < 0)
1223	goto err_unregister_video;
1224	pr_info("%s: registered device %s\n",
1225	dev->name, video_device_node_name(dev->radio_dev));
1226	}
1227
1228	#ifdef CONFIG_MEDIA_CONTROLLER
1229	saa7134_create_entities(dev);
1230
1231	err = v4l2_mc_create_media_graph(mdev: dev->media_dev);
1232	if (err) {
1233	pr_err("failed to create media graph\n");
1234	goto err_unregister_video;
1235	}
1236	#endif
1237	/* everything worked */
1238	saa7134_devcount++;
1239
1240	if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1241	saa7134_dmasound_init(dev);
1242
1243	request_submodules(dev);
1244
1245	/*
1246	* Do it at the end, to reduce dynamic configuration changes during
1247	* the device init. Yet, as request_modules() can be async, the
1248	* topology will likely change after load the saa7134 subdrivers.
1249	*/
1250	#ifdef CONFIG_MEDIA_CONTROLLER
1251	err = media_device_register(dev->media_dev);
1252	if (err) {
1253	media_device_cleanup(mdev: dev->media_dev);
1254	goto err_unregister_video;
1255	}
1256	#endif
1257
1258	return 0;
1259
1260	err_unregister_video:
1261	saa7134_unregister_video(dev);
1262	list_del(entry: &dev->devlist);
1263	saa7134_i2c_unregister(dev);
1264	free_irq(pci_dev->irq, dev);
1265	err_iounmap:
1266	saa7134_hwfini(dev);
1267	iounmap(addr: dev->lmmio);
1268	err_release_mem_reg:
1269	release_mem_region(pci_resource_start(pci_dev,0),
1270	pci_resource_len(pci_dev,0));
1271	err_v4l2_unregister:
1272	v4l2_device_unregister(v4l2_dev: &dev->v4l2_dev);
1273	err_free_dev:
1274	#ifdef CONFIG_MEDIA_CONTROLLER
1275	kfree(objp: dev->media_dev);
1276	#endif
1277	kfree(objp: dev);
1278	return err;
1279	}
1280
1281	static void saa7134_finidev(struct pci_dev *pci_dev)
1282	{
1283	struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev: pci_dev);
1284	struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1285	struct saa7134_mpeg_ops *mops;
1286
1287	flush_request_submodules(dev);
1288
1289	/* Release DMA sound modules if present */
1290	if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1291	saa7134_dmasound_exit(dev);
1292	}
1293
1294	/* debugging ... */
1295	if (irq_debug) {
1296	u32 report = saa_readl(SAA7134_IRQ_REPORT);
1297	u32 status = saa_readl(SAA7134_IRQ_STATUS);
1298	print_irqstatus(dev,loop: 42,report,status);
1299	}
1300
1301	/* disable peripheral devices */
1302	saa_writeb(SAA7134_SPECIAL_MODE,0);
1303
1304	/* shutdown hardware */
1305	saa_writel(SAA7134_IRQ1,0);
1306	saa_writel(SAA7134_IRQ2,0);
1307	saa_writel(SAA7134_MAIN_CTRL,0);
1308
1309	/* shutdown subsystems */
1310	saa7134_hwfini(dev);
1311
1312	/* unregister */
1313	mutex_lock(&saa7134_devlist_lock);
1314	list_del(entry: &dev->devlist);
1315	list_for_each_entry(mops, &mops_list, next)
1316	mpeg_ops_detach(ops: mops, dev);
1317	mutex_unlock(lock: &saa7134_devlist_lock);
1318	saa7134_devcount--;
1319
1320	saa7134_i2c_unregister(dev);
1321	saa7134_unregister_video(dev);
1322
1323
1324	/* the DMA sound modules should be unloaded before reaching
1325	this, but just in case they are still present... */
1326	if (dev->dmasound.priv_data != NULL) {
1327	free_irq(pci_dev->irq, &dev->dmasound);
1328	dev->dmasound.priv_data = NULL;
1329	}
1330
1331
1332	/* release resources */
1333	free_irq(pci_dev->irq, dev);
1334	iounmap(addr: dev->lmmio);
1335	release_mem_region(pci_resource_start(pci_dev,0),
1336	pci_resource_len(pci_dev,0));
1337
1338	v4l2_device_unregister(v4l2_dev: &dev->v4l2_dev);
1339
1340	saa7134_unregister_media_device(dev);
1341
1342	/* free memory */
1343	kfree(objp: dev);
1344	}
1345
1346	/* resends a current buffer in queue after resume */
1347	static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev,
1348	struct saa7134_dmaqueue *q)
1349	{
1350	struct saa7134_buf *buf, *next;
1351
1352	assert_spin_locked(&dev->slock);
1353
1354	buf = q->curr;
1355	next = buf;
1356	core_dbg("buffer_requeue\n");
1357
1358	if (!buf)
1359	return 0;
1360
1361	core_dbg("buffer_requeue : resending active buffer\n");
1362
1363	if (!list_empty(head: &q->queue))
1364	next = list_entry(q->queue.next, struct saa7134_buf,
1365	entry);
1366	buf->activate(dev, buf, next);
1367
1368	return 0;
1369	}
1370
1371	static int __maybe_unused saa7134_suspend(struct device *dev_d)
1372	{
1373	struct pci_dev *pci_dev = to_pci_dev(dev_d);
1374	struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev: pci_dev);
1375	struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1376
1377	/* Disable interrupts, DMA, and rest of the chip*/
1378	saa_writel(SAA7134_IRQ1, 0);
1379	saa_writel(SAA7134_IRQ2, 0);
1380	saa_writel(SAA7134_MAIN_CTRL, 0);
1381
1382	dev->insuspend = 1;
1383	synchronize_irq(irq: pci_dev->irq);
1384
1385	/* ACK interrupts once more, just in case,
1386	since the IRQ handler won't ack them anymore*/
1387
1388	saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1389
1390	/* Disable timeout timers - if we have active buffers, we will
1391	fill them on resume*/
1392
1393	del_timer(timer: &dev->video_q.timeout);
1394	del_timer(timer: &dev->vbi_q.timeout);
1395	del_timer(timer: &dev->ts_q.timeout);
1396
1397	if (dev->remote && dev->remote->dev->users)
1398	saa7134_ir_close(dev: dev->remote->dev);
1399
1400	return 0;
1401	}
1402
1403	static int __maybe_unused saa7134_resume(struct device *dev_d)
1404	{
1405	struct v4l2_device *v4l2_dev = dev_get_drvdata(dev: dev_d);
1406	struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1407	unsigned long flags;
1408
1409	/* Do things that are done in saa7134_initdev ,
1410	except of initializing memory structures.*/
1411
1412	saa7134_board_init1(dev);
1413
1414	/* saa7134_hwinit1 */
1415	if (saa7134_boards[dev->board].video_out)
1416	saa7134_videoport_init(dev);
1417	if (card_has_mpeg(dev))
1418	saa7134_ts_init_hw(dev);
1419	if (dev->remote && dev->remote->dev->users)
1420	saa7134_ir_open(dev: dev->remote->dev);
1421	saa7134_hw_enable1(dev);
1422
1423	msleep(msecs: 100);
1424
1425	saa7134_board_init2(dev);
1426
1427	/*saa7134_hwinit2*/
1428	saa7134_set_tvnorm_hw(dev);
1429	saa7134_tvaudio_setmute(dev);
1430	saa7134_tvaudio_setvolume(dev, level: dev->ctl_volume);
1431	saa7134_tvaudio_init(dev);
1432	saa7134_enable_i2s(dev);
1433	saa7134_hw_enable2(dev);
1434
1435	saa7134_irq_video_signalchange(dev);
1436
1437	/*resume unfinished buffer(s)*/
1438	spin_lock_irqsave(&dev->slock, flags);
1439	saa7134_buffer_requeue(dev, q: &dev->video_q);
1440	saa7134_buffer_requeue(dev, q: &dev->vbi_q);
1441	saa7134_buffer_requeue(dev, q: &dev->ts_q);
1442
1443	/* FIXME: Disable DMA audio sound - temporary till proper support
1444	is implemented*/
1445
1446	dev->dmasound.dma_running = 0;
1447
1448	/* start DMA now*/
1449	dev->insuspend = 0;
1450	smp_wmb();
1451	saa7134_set_dmabits(dev);
1452	spin_unlock_irqrestore(lock: &dev->slock, flags);
1453
1454	return 0;
1455	}
1456
1457	/* ----------------------------------------------------------- */
1458
1459	int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1460	{
1461	struct saa7134_dev *dev;
1462
1463	mutex_lock(&saa7134_devlist_lock);
1464	list_for_each_entry(dev, &saa7134_devlist, devlist)
1465	mpeg_ops_attach(ops, dev);
1466	list_add_tail(new: &ops->next,head: &mops_list);
1467	mutex_unlock(lock: &saa7134_devlist_lock);
1468	return 0;
1469	}
1470
1471	void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1472	{
1473	struct saa7134_dev *dev;
1474
1475	mutex_lock(&saa7134_devlist_lock);
1476	list_del(entry: &ops->next);
1477	list_for_each_entry(dev, &saa7134_devlist, devlist)
1478	mpeg_ops_detach(ops, dev);
1479	mutex_unlock(lock: &saa7134_devlist_lock);
1480	}
1481
1482	EXPORT_SYMBOL(saa7134_ts_register);
1483	EXPORT_SYMBOL(saa7134_ts_unregister);
1484
1485	/* ----------------------------------------------------------- */
1486
1487	static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume);
1488
1489	static struct pci_driver saa7134_pci_driver = {
1490	.name = "saa7134",
1491	.id_table = saa7134_pci_tbl,
1492	.probe = saa7134_initdev,
1493	.remove = saa7134_finidev,
1494	.driver.pm = &saa7134_pm_ops,
1495	};
1496
1497	static int __init saa7134_init(void)
1498	{
1499	pr_info("saa7130/34: v4l2 driver version %s loaded\n",
1500	SAA7134_VERSION);
1501	return pci_register_driver(&saa7134_pci_driver);
1502	}
1503
1504	static void __exit saa7134_fini(void)
1505	{
1506	pci_unregister_driver(dev: &saa7134_pci_driver);
1507	}
1508
1509	module_init(saa7134_init);
1510	module_exit(saa7134_fini);
1511
1512	/* ----------------------------------------------------------- */
1513
1514	EXPORT_SYMBOL(saa7134_set_gpio);
1515	EXPORT_SYMBOL(saa7134_boards);
1516
1517	/* ----------------- for the DMA sound modules --------------- */
1518
1519	EXPORT_SYMBOL(saa7134_dmasound_init);
1520	EXPORT_SYMBOL(saa7134_dmasound_exit);
1521	EXPORT_SYMBOL(saa7134_pgtable_free);
1522	EXPORT_SYMBOL(saa7134_pgtable_build);
1523	EXPORT_SYMBOL(saa7134_pgtable_alloc);
1524	EXPORT_SYMBOL(saa7134_set_dmabits);
1525