crystalhd_lnx.c revision b1f2ac07636aadee5cb077fc7e830908b00fcaae
1/***************************************************************************
2  BCM70010 Linux driver
3  Copyright (c) 2005-2009, Broadcom Corporation.
4
5  This driver is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation, version 2 of the License.
8
9  This driver is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  GNU General Public License for more details.
13
14  You should have received a copy of the GNU General Public License
15  along with this driver.  If not, see <http://www.gnu.org/licenses/>.
16***************************************************************************/
17
18#include <linux/version.h>
19#include <linux/smp_lock.h>
20#include <linux/slab.h>
21
22#include "crystalhd_lnx.h"
23
24static struct class *crystalhd_class;
25
26static struct crystalhd_adp *g_adp_info;
27
28static irqreturn_t chd_dec_isr(int irq, void *arg)
29{
30	struct crystalhd_adp *adp = (struct crystalhd_adp *) arg;
31	int rc = 0;
32	if (adp)
33		rc = crystalhd_cmd_interrupt(&adp->cmds);
34
35	return IRQ_RETVAL(rc);
36}
37
38static int chd_dec_enable_int(struct crystalhd_adp *adp)
39{
40	int rc = 0;
41
42	if (!adp || !adp->pdev) {
43		BCMLOG_ERR("Invalid arg!!\n");
44		return -EINVAL;
45	}
46
47	if (adp->pdev->msi_enabled)
48		adp->msi = 1;
49	else
50		adp->msi = pci_enable_msi(adp->pdev);
51
52	rc = request_irq(adp->pdev->irq, chd_dec_isr, IRQF_SHARED,
53			 adp->name, (void *)adp);
54	if (rc) {
55		BCMLOG_ERR("Interrupt request failed..\n");
56		pci_disable_msi(adp->pdev);
57	}
58
59	return rc;
60}
61
62static int chd_dec_disable_int(struct crystalhd_adp *adp)
63{
64	if (!adp || !adp->pdev) {
65		BCMLOG_ERR("Invalid arg!!\n");
66		return -EINVAL;
67	}
68
69	free_irq(adp->pdev->irq, adp);
70
71	if (adp->msi)
72		pci_disable_msi(adp->pdev);
73
74	return 0;
75}
76
77crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
78{
79	unsigned long flags = 0;
80	crystalhd_ioctl_data *temp;
81
82	if (!adp)
83		return NULL;
84
85	spin_lock_irqsave(&adp->lock, flags);
86
87	temp = adp->idata_free_head;
88	if (temp) {
89		adp->idata_free_head = adp->idata_free_head->next;
90		memset(temp, 0, sizeof(*temp));
91	}
92
93	spin_unlock_irqrestore(&adp->lock, flags);
94	return temp;
95}
96
97void chd_dec_free_iodata(struct crystalhd_adp *adp, crystalhd_ioctl_data *iodata,
98			 bool isr)
99{
100	unsigned long flags = 0;
101
102	if (!adp || !iodata)
103		return;
104
105	spin_lock_irqsave(&adp->lock, flags);
106	iodata->next = adp->idata_free_head;
107	adp->idata_free_head = iodata;
108	spin_unlock_irqrestore(&adp->lock, flags);
109}
110
111static inline int crystalhd_user_data(unsigned long ud, void *dr, int size, int set)
112{
113	int rc;
114
115	if (!ud || !dr) {
116		BCMLOG_ERR("Invalid arg\n");
117		return -EINVAL;
118	}
119
120	if (set)
121		rc = copy_to_user((void *)ud, dr, size);
122	else
123		rc = copy_from_user(dr, (void *)ud, size);
124
125	if (rc) {
126		BCMLOG_ERR("Invalid args for command\n");
127		rc = -EFAULT;
128	}
129
130	return rc;
131}
132
133static int chd_dec_fetch_cdata(struct crystalhd_adp *adp, crystalhd_ioctl_data *io,
134			       uint32_t m_sz, unsigned long ua)
135{
136	unsigned long ua_off;
137	int rc = 0;
138
139	if (!adp || !io || !ua || !m_sz) {
140		BCMLOG_ERR("Invalid Arg!!\n");
141		return -EINVAL;
142	}
143
144	io->add_cdata = vmalloc(m_sz);
145	if (!io->add_cdata) {
146		BCMLOG_ERR("kalloc fail for sz:%x\n", m_sz);
147		return -ENOMEM;
148	}
149
150	io->add_cdata_sz = m_sz;
151	ua_off = ua + sizeof(io->udata);
152	rc = crystalhd_user_data(ua_off, io->add_cdata, io->add_cdata_sz, 0);
153	if (rc) {
154		BCMLOG_ERR("failed to pull add_cdata sz:%x ua_off:%x\n",
155			   io->add_cdata_sz, (unsigned int)ua_off);
156		if (io->add_cdata) {
157			kfree(io->add_cdata);
158			io->add_cdata = NULL;
159		}
160		return -ENODATA;
161	}
162
163	return rc;
164}
165
166static int chd_dec_release_cdata(struct crystalhd_adp *adp,
167				 crystalhd_ioctl_data *io, unsigned long ua)
168{
169	unsigned long ua_off;
170	int rc;
171
172	if (!adp || !io || !ua) {
173		BCMLOG_ERR("Invalid Arg!!\n");
174		return -EINVAL;
175	}
176
177	if (io->cmd != BCM_IOC_FW_DOWNLOAD) {
178		ua_off = ua + sizeof(io->udata);
179		rc = crystalhd_user_data(ua_off, io->add_cdata,
180					io->add_cdata_sz, 1);
181		if (rc) {
182			BCMLOG_ERR("failed to push add_cdata sz:%x ua_off:%x\n",
183				   io->add_cdata_sz, (unsigned int)ua_off);
184			return -ENODATA;
185		}
186	}
187
188	if (io->add_cdata) {
189		vfree(io->add_cdata);
190		io->add_cdata = NULL;
191	}
192
193	return 0;
194}
195
196static int chd_dec_proc_user_data(struct crystalhd_adp *adp,
197				  crystalhd_ioctl_data *io,
198				  unsigned long ua, int set)
199{
200	int rc;
201	uint32_t m_sz = 0;
202
203	if (!adp || !io || !ua) {
204		BCMLOG_ERR("Invalid Arg!!\n");
205		return -EINVAL;
206	}
207
208	rc = crystalhd_user_data(ua, &io->udata, sizeof(io->udata), set);
209	if (rc) {
210		BCMLOG_ERR("failed to %s iodata\n", (set ? "set" : "get"));
211		return rc;
212	}
213
214	switch (io->cmd) {
215	case BCM_IOC_MEM_RD:
216	case BCM_IOC_MEM_WR:
217	case BCM_IOC_FW_DOWNLOAD:
218		m_sz = io->udata.u.devMem.NumDwords * 4;
219		if (set)
220			rc = chd_dec_release_cdata(adp, io, ua);
221		else
222			rc = chd_dec_fetch_cdata(adp, io, m_sz, ua);
223		break;
224	default:
225		break;
226	}
227
228	return rc;
229}
230
231static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
232			   uint32_t uid, uint32_t cmd, crystalhd_cmd_proc func)
233{
234	int rc;
235	crystalhd_ioctl_data *temp;
236	BC_STATUS sts = BC_STS_SUCCESS;
237
238	temp = chd_dec_alloc_iodata(adp, 0);
239	if (!temp) {
240		BCMLOG_ERR("Failed to get iodata..\n");
241		return -EINVAL;
242	}
243
244	temp->u_id = uid;
245	temp->cmd  = cmd;
246
247	rc = chd_dec_proc_user_data(adp, temp, ua, 0);
248	if (!rc) {
249		sts = func(&adp->cmds, temp);
250		if (sts == BC_STS_PENDING)
251			sts = BC_STS_NOT_IMPL;
252		temp->udata.RetSts = sts;
253		rc = chd_dec_proc_user_data(adp, temp, ua, 1);
254	}
255
256	if (temp) {
257		chd_dec_free_iodata(adp, temp, 0);
258		temp = NULL;
259	}
260
261	return rc;
262}
263
264/* API interfaces */
265static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
266{
267	struct crystalhd_adp *adp = chd_get_adp();
268	crystalhd_cmd_proc cproc;
269	struct crystalhd_user *uc;
270	int ret;
271
272	if (!adp || !fd) {
273		BCMLOG_ERR("Invalid adp\n");
274		return -EINVAL;
275	}
276
277	uc = (struct crystalhd_user *)fd->private_data;
278	if (!uc) {
279		BCMLOG_ERR("Failed to get uc\n");
280		return -ENODATA;
281	}
282
283	lock_kernel();
284	cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
285	if (!cproc) {
286		BCMLOG_ERR("Unhandled command: %d\n", cmd);
287		unlock_kernel();
288		return -EINVAL;
289	}
290
291	ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
292	unlock_kernel();
293	return ret;
294}
295
296static int chd_dec_open(struct inode *in, struct file *fd)
297{
298	struct crystalhd_adp *adp = chd_get_adp();
299	int rc = 0;
300	BC_STATUS sts = BC_STS_SUCCESS;
301	struct crystalhd_user *uc = NULL;
302
303	BCMLOG_ENTER;
304	if (!adp) {
305		BCMLOG_ERR("Invalid adp\n");
306		return -EINVAL;
307	}
308
309	if (adp->cfg_users >= BC_LINK_MAX_OPENS) {
310		BCMLOG(BCMLOG_INFO, "Already in use.%d\n", adp->cfg_users);
311		return -EBUSY;
312	}
313
314	sts = crystalhd_user_open(&adp->cmds, &uc);
315	if (sts != BC_STS_SUCCESS) {
316		BCMLOG_ERR("cmd_user_open - %d\n", sts);
317		rc = -EBUSY;
318	}
319
320	adp->cfg_users++;
321
322	fd->private_data = uc;
323
324	return rc;
325}
326
327static int chd_dec_close(struct inode *in, struct file *fd)
328{
329	struct crystalhd_adp *adp = chd_get_adp();
330	struct crystalhd_user *uc;
331
332	BCMLOG_ENTER;
333	if (!adp) {
334		BCMLOG_ERR("Invalid adp\n");
335		return -EINVAL;
336	}
337
338	uc = (struct crystalhd_user *)fd->private_data;
339	if (!uc) {
340		BCMLOG_ERR("Failed to get uc\n");
341		return -ENODATA;
342	}
343
344	crystalhd_user_close(&adp->cmds, uc);
345
346	adp->cfg_users--;
347
348	return 0;
349}
350
351static const struct file_operations chd_dec_fops = {
352	.owner   = THIS_MODULE,
353	.unlocked_ioctl = chd_dec_ioctl,
354	.open    = chd_dec_open,
355	.release = chd_dec_close,
356};
357
358static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
359{
360	crystalhd_ioctl_data *temp;
361	struct device *dev;
362	int rc = -ENODEV, i = 0;
363
364	if (!adp)
365		goto fail;
366
367	adp->chd_dec_major = register_chrdev(0, CRYSTALHD_API_NAME,
368					     &chd_dec_fops);
369	if (adp->chd_dec_major < 0) {
370		BCMLOG_ERR("Failed to create config dev\n");
371		rc = adp->chd_dec_major;
372		goto fail;
373	}
374
375	/* register crystalhd class */
376	crystalhd_class = class_create(THIS_MODULE, "crystalhd");
377	if (IS_ERR(crystalhd_class)) {
378		BCMLOG_ERR("failed to create class\n");
379		goto fail;
380	}
381
382	dev = device_create(crystalhd_class, NULL, MKDEV(adp->chd_dec_major, 0),
383			    NULL, "crystalhd");
384	if (IS_ERR(dev)) {
385		BCMLOG_ERR("failed to create device\n");
386		goto device_create_fail;
387	}
388
389	rc = crystalhd_create_elem_pool(adp, BC_LINK_ELEM_POOL_SZ);
390	if (rc) {
391		BCMLOG_ERR("failed to create device\n");
392		goto elem_pool_fail;
393	}
394
395	/* Allocate general purpose ioctl pool. */
396	for (i = 0; i < CHD_IODATA_POOL_SZ; i++) {
397		/* FIXME: jarod: why atomic? */
398		temp = kzalloc(sizeof(crystalhd_ioctl_data), GFP_ATOMIC);
399		if (!temp) {
400			BCMLOG_ERR("ioctl data pool kzalloc failed\n");
401			rc = -ENOMEM;
402			goto kzalloc_fail;
403		}
404		/* Add to global pool.. */
405		chd_dec_free_iodata(adp, temp, 0);
406	}
407
408	return 0;
409
410kzalloc_fail:
411	crystalhd_delete_elem_pool(adp);
412elem_pool_fail:
413	device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
414device_create_fail:
415	class_destroy(crystalhd_class);
416fail:
417	return rc;
418}
419
420static void __devexit chd_dec_release_chdev(struct crystalhd_adp *adp)
421{
422	crystalhd_ioctl_data *temp = NULL;
423	if (!adp)
424		return;
425
426	if (adp->chd_dec_major > 0) {
427		/* unregister crystalhd class */
428		device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
429		unregister_chrdev(adp->chd_dec_major, CRYSTALHD_API_NAME);
430		BCMLOG(BCMLOG_INFO, "released api device - %d\n",
431		       adp->chd_dec_major);
432		class_destroy(crystalhd_class);
433	}
434	adp->chd_dec_major = 0;
435
436	/* Clear iodata pool.. */
437	do {
438		temp = chd_dec_alloc_iodata(adp, 0);
439		if (temp)
440			kfree(temp);
441	} while (temp);
442
443	crystalhd_delete_elem_pool(adp);
444}
445
446static int __devinit chd_pci_reserve_mem(struct crystalhd_adp *pinfo)
447{
448	int rc;
449	unsigned long bar2 = pci_resource_start(pinfo->pdev, 2);
450	uint32_t mem_len   = pci_resource_len(pinfo->pdev, 2);
451	unsigned long bar0 = pci_resource_start(pinfo->pdev, 0);
452	uint32_t i2o_len   = pci_resource_len(pinfo->pdev, 0);
453
454	BCMLOG(BCMLOG_SSTEP, "bar2:0x%lx-0x%08x  bar0:0x%lx-0x%08x\n",
455	       bar2, mem_len, bar0, i2o_len);
456
457	rc = check_mem_region(bar2, mem_len);
458	if (rc) {
459		BCMLOG_ERR("No valid mem region...\n");
460		return -ENOMEM;
461	}
462
463	pinfo->addr = ioremap_nocache(bar2, mem_len);
464	if (!pinfo->addr) {
465		BCMLOG_ERR("Failed to remap mem region...\n");
466		return -ENOMEM;
467	}
468
469	pinfo->pci_mem_start = bar2;
470	pinfo->pci_mem_len   = mem_len;
471
472	rc = check_mem_region(bar0, i2o_len);
473	if (rc) {
474		BCMLOG_ERR("No valid mem region...\n");
475		return -ENOMEM;
476	}
477
478	pinfo->i2o_addr = ioremap_nocache(bar0, i2o_len);
479	if (!pinfo->i2o_addr) {
480		BCMLOG_ERR("Failed to remap mem region...\n");
481		return -ENOMEM;
482	}
483
484	pinfo->pci_i2o_start = bar0;
485	pinfo->pci_i2o_len   = i2o_len;
486
487	rc = pci_request_regions(pinfo->pdev, pinfo->name);
488	if (rc < 0) {
489		BCMLOG_ERR("Region request failed: %d\n", rc);
490		return rc;
491	}
492
493	BCMLOG(BCMLOG_SSTEP, "Mapped addr:0x%08lx  i2o_addr:0x%08lx\n",
494	       (unsigned long)pinfo->addr, (unsigned long)pinfo->i2o_addr);
495
496	return 0;
497}
498
499static void __devexit chd_pci_release_mem(struct crystalhd_adp *pinfo)
500{
501	if (!pinfo)
502		return;
503
504	if (pinfo->addr)
505		iounmap(pinfo->addr);
506
507	if (pinfo->i2o_addr)
508		iounmap(pinfo->i2o_addr);
509
510	pci_release_regions(pinfo->pdev);
511}
512
513
514static void __devexit chd_dec_pci_remove(struct pci_dev *pdev)
515{
516	struct crystalhd_adp *pinfo;
517	BC_STATUS sts = BC_STS_SUCCESS;
518
519	BCMLOG_ENTER;
520
521	pinfo = (struct crystalhd_adp *) pci_get_drvdata(pdev);
522	if (!pinfo) {
523		BCMLOG_ERR("could not get adp\n");
524		return;
525	}
526
527	sts = crystalhd_delete_cmd_context(&pinfo->cmds);
528	if (sts != BC_STS_SUCCESS)
529		BCMLOG_ERR("cmd delete :%d\n", sts);
530
531	chd_dec_release_chdev(pinfo);
532
533	chd_dec_disable_int(pinfo);
534
535	chd_pci_release_mem(pinfo);
536	pci_disable_device(pinfo->pdev);
537
538	kfree(pinfo);
539	g_adp_info = NULL;
540}
541
542static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
543			     const struct pci_device_id *entry)
544{
545	struct crystalhd_adp *pinfo;
546	int rc;
547	BC_STATUS sts = BC_STS_SUCCESS;
548
549	BCMLOG(BCMLOG_DBG, "PCI_INFO: Vendor:0x%04x Device:0x%04x "
550	       "s_vendor:0x%04x s_device: 0x%04x\n",
551	       pdev->vendor, pdev->device, pdev->subsystem_vendor,
552	       pdev->subsystem_device);
553
554	/* FIXME: jarod: why atomic? */
555	pinfo = kzalloc(sizeof(struct crystalhd_adp), GFP_ATOMIC);
556	if (!pinfo) {
557		BCMLOG_ERR("Failed to allocate memory\n");
558		return -ENOMEM;
559	}
560
561	pinfo->pdev = pdev;
562
563	rc = pci_enable_device(pdev);
564	if (rc) {
565		BCMLOG_ERR("Failed to enable PCI device\n");
566		return rc;
567	}
568
569	snprintf(pinfo->name, 31, "crystalhd_pci_e:%d:%d:%d",
570		 pdev->bus->number, PCI_SLOT(pdev->devfn),
571		 PCI_FUNC(pdev->devfn));
572
573	rc = chd_pci_reserve_mem(pinfo);
574	if (rc) {
575		BCMLOG_ERR("Failed to setup memory regions.\n");
576		return -ENOMEM;
577	}
578
579	pinfo->present	= 1;
580	pinfo->drv_data = entry->driver_data;
581
582	/* Setup adapter level lock.. */
583	spin_lock_init(&pinfo->lock);
584
585	/* setup api stuff.. */
586	chd_dec_init_chdev(pinfo);
587	rc = chd_dec_enable_int(pinfo);
588	if (rc) {
589		BCMLOG_ERR("_enable_int err:%d\n", rc);
590		pci_disable_device(pdev);
591		return -ENODEV;
592	}
593
594	/* Set dma mask... */
595	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
596		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
597		pinfo->dmabits = 64;
598	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
599		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
600		pinfo->dmabits = 32;
601	} else {
602		BCMLOG_ERR("Unabled to setup DMA %d\n", rc);
603		pci_disable_device(pdev);
604		return -ENODEV;
605	}
606
607	sts = crystalhd_setup_cmd_context(&pinfo->cmds, pinfo);
608	if (sts != BC_STS_SUCCESS) {
609		BCMLOG_ERR("cmd setup :%d\n", sts);
610		pci_disable_device(pdev);
611		return -ENODEV;
612	}
613
614	pci_set_master(pdev);
615
616	pci_set_drvdata(pdev, pinfo);
617
618	g_adp_info = pinfo;
619
620	return 0;
621}
622
623#ifdef CONFIG_PM
624int chd_dec_pci_suspend(struct pci_dev *pdev, pm_message_t state)
625{
626	struct crystalhd_adp *adp;
627	crystalhd_ioctl_data *temp;
628	BC_STATUS sts = BC_STS_SUCCESS;
629
630	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
631	if (!adp) {
632		BCMLOG_ERR("could not get adp\n");
633		return -ENODEV;
634	}
635
636	temp = chd_dec_alloc_iodata(adp, false);
637	if (!temp) {
638		BCMLOG_ERR("could not get ioctl data\n");
639		return -ENODEV;
640	}
641
642	sts = crystalhd_suspend(&adp->cmds, temp);
643	if (sts != BC_STS_SUCCESS) {
644		BCMLOG_ERR("BCM70012 Suspend %d\n", sts);
645		return -ENODEV;
646	}
647
648	chd_dec_free_iodata(adp, temp, false);
649	chd_dec_disable_int(adp);
650	pci_save_state(pdev);
651
652	/* Disable IO/bus master/irq router */
653	pci_disable_device(pdev);
654	pci_set_power_state(pdev, pci_choose_state(pdev, state));
655	return 0;
656}
657
658int chd_dec_pci_resume(struct pci_dev *pdev)
659{
660	struct crystalhd_adp *adp;
661	BC_STATUS sts = BC_STS_SUCCESS;
662	int rc;
663
664	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
665	if (!adp) {
666		BCMLOG_ERR("could not get adp\n");
667		return -ENODEV;
668	}
669
670	pci_set_power_state(pdev, PCI_D0);
671	pci_restore_state(pdev);
672
673	/* device's irq possibly is changed, driver should take care */
674	if (pci_enable_device(pdev)) {
675		BCMLOG_ERR("Failed to enable PCI device\n");
676		return 1;
677	}
678
679	pci_set_master(pdev);
680
681	rc = chd_dec_enable_int(adp);
682	if (rc) {
683		BCMLOG_ERR("_enable_int err:%d\n", rc);
684		pci_disable_device(pdev);
685		return -ENODEV;
686	}
687
688	sts = crystalhd_resume(&adp->cmds);
689	if (sts != BC_STS_SUCCESS) {
690		BCMLOG_ERR("BCM70012 Resume %d\n", sts);
691		pci_disable_device(pdev);
692		return -ENODEV;
693	}
694
695	return 0;
696}
697#endif
698
699static DEFINE_PCI_DEVICE_TABLE(chd_dec_pci_id_table) = {
700	{ PCI_VDEVICE(BROADCOM, 0x1612), 8 },
701	{ 0, },
702};
703MODULE_DEVICE_TABLE(pci, chd_dec_pci_id_table);
704
705static struct pci_driver bc_chd_70012_driver = {
706	.name     = "Broadcom 70012 Decoder",
707	.probe    = chd_dec_pci_probe,
708	.remove   = __devexit_p(chd_dec_pci_remove),
709	.id_table = chd_dec_pci_id_table,
710#ifdef CONFIG_PM
711	.suspend  = chd_dec_pci_suspend,
712	.resume   = chd_dec_pci_resume
713#endif
714};
715
716void chd_set_log_level(struct crystalhd_adp *adp, char *arg)
717{
718	if ((!arg) || (strlen(arg) < 3))
719		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA;
720	else if (!strncmp(arg, "sstep", 5))
721		g_linklog_level = BCMLOG_INFO | BCMLOG_DATA | BCMLOG_DBG |
722				  BCMLOG_SSTEP | BCMLOG_ERROR;
723	else if (!strncmp(arg, "info", 4))
724		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO;
725	else if (!strncmp(arg, "debug", 5))
726		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO |
727				  BCMLOG_DBG;
728	else if (!strncmp(arg, "pball", 5))
729		g_linklog_level = 0xFFFFFFFF & ~(BCMLOG_SPINLOCK);
730	else if (!strncmp(arg, "silent", 6))
731		g_linklog_level = 0;
732	else
733		g_linklog_level = 0;
734}
735
736struct crystalhd_adp *chd_get_adp(void)
737{
738	return g_adp_info;
739}
740
741static int __init chd_dec_module_init(void)
742{
743	int rc;
744
745	chd_set_log_level(NULL, "debug");
746	BCMLOG(BCMLOG_DATA, "Loading crystalhd %d.%d.%d\n",
747	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
748
749	rc = pci_register_driver(&bc_chd_70012_driver);
750
751	if (rc < 0)
752		BCMLOG_ERR("Could not find any devices. err:%d\n", rc);
753
754	return rc;
755}
756module_init(chd_dec_module_init);
757
758static void __exit chd_dec_module_cleanup(void)
759{
760	BCMLOG(BCMLOG_DATA, "unloading crystalhd %d.%d.%d\n",
761	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
762
763	pci_unregister_driver(&bc_chd_70012_driver);
764}
765module_exit(chd_dec_module_cleanup);
766
767MODULE_AUTHOR("Naren Sankar <nsankar@broadcom.com>");
768MODULE_AUTHOR("Prasad Bolisetty <prasadb@broadcom.com>");
769MODULE_DESCRIPTION(CRYSTAL_HD_NAME);
770MODULE_LICENSE("GPL");
771MODULE_ALIAS("bcm70012");
772