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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/mutex.h>
19#include <linux/slab.h>
20
21#include "crystalhd_lnx.h"
22
23static DEFINE_MUTEX(chd_dec_mutex);
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
77struct crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
78{
79	unsigned long flags = 0;
80	struct 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, struct 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, struct 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		kfree(io->add_cdata);
157		io->add_cdata = NULL;
158		return -ENODATA;
159	}
160
161	return rc;
162}
163
164static int chd_dec_release_cdata(struct crystalhd_adp *adp,
165				 struct crystalhd_ioctl_data *io, unsigned long ua)
166{
167	unsigned long ua_off;
168	int rc;
169
170	if (!adp || !io || !ua) {
171		BCMLOG_ERR("Invalid Arg!!\n");
172		return -EINVAL;
173	}
174
175	if (io->cmd != BCM_IOC_FW_DOWNLOAD) {
176		ua_off = ua + sizeof(io->udata);
177		rc = crystalhd_user_data(ua_off, io->add_cdata,
178					io->add_cdata_sz, 1);
179		if (rc) {
180			BCMLOG_ERR("failed to push add_cdata sz:%x ua_off:%x\n",
181				   io->add_cdata_sz, (unsigned int)ua_off);
182			return -ENODATA;
183		}
184	}
185
186	if (io->add_cdata) {
187		vfree(io->add_cdata);
188		io->add_cdata = NULL;
189	}
190
191	return 0;
192}
193
194static int chd_dec_proc_user_data(struct crystalhd_adp *adp,
195				  struct crystalhd_ioctl_data *io,
196				  unsigned long ua, int set)
197{
198	int rc;
199	uint32_t m_sz = 0;
200
201	if (!adp || !io || !ua) {
202		BCMLOG_ERR("Invalid Arg!!\n");
203		return -EINVAL;
204	}
205
206	rc = crystalhd_user_data(ua, &io->udata, sizeof(io->udata), set);
207	if (rc) {
208		BCMLOG_ERR("failed to %s iodata\n", (set ? "set" : "get"));
209		return rc;
210	}
211
212	switch (io->cmd) {
213	case BCM_IOC_MEM_RD:
214	case BCM_IOC_MEM_WR:
215	case BCM_IOC_FW_DOWNLOAD:
216		m_sz = io->udata.u.devMem.NumDwords * 4;
217		if (set)
218			rc = chd_dec_release_cdata(adp, io, ua);
219		else
220			rc = chd_dec_fetch_cdata(adp, io, m_sz, ua);
221		break;
222	default:
223		break;
224	}
225
226	return rc;
227}
228
229static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
230			   uint32_t uid, uint32_t cmd, crystalhd_cmd_proc func)
231{
232	int rc;
233	struct crystalhd_ioctl_data *temp;
234	enum BC_STATUS sts = BC_STS_SUCCESS;
235
236	temp = chd_dec_alloc_iodata(adp, 0);
237	if (!temp) {
238		BCMLOG_ERR("Failed to get iodata..\n");
239		return -EINVAL;
240	}
241
242	temp->u_id = uid;
243	temp->cmd  = cmd;
244
245	rc = chd_dec_proc_user_data(adp, temp, ua, 0);
246	if (!rc) {
247		sts = func(&adp->cmds, temp);
248		if (sts == BC_STS_PENDING)
249			sts = BC_STS_NOT_IMPL;
250		temp->udata.RetSts = sts;
251		rc = chd_dec_proc_user_data(adp, temp, ua, 1);
252	}
253
254	if (temp) {
255		chd_dec_free_iodata(adp, temp, 0);
256		temp = NULL;
257	}
258
259	return rc;
260}
261
262/* API interfaces */
263static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
264{
265	struct crystalhd_adp *adp = chd_get_adp();
266	crystalhd_cmd_proc cproc;
267	struct crystalhd_user *uc;
268	int ret;
269
270	if (!adp || !fd) {
271		BCMLOG_ERR("Invalid adp\n");
272		return -EINVAL;
273	}
274
275	uc = fd->private_data;
276	if (!uc) {
277		BCMLOG_ERR("Failed to get uc\n");
278		return -ENODATA;
279	}
280
281	mutex_lock(&chd_dec_mutex);
282	cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
283	if (!cproc) {
284		BCMLOG_ERR("Unhandled command: %d\n", cmd);
285		mutex_unlock(&chd_dec_mutex);
286		return -EINVAL;
287	}
288
289	ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
290	mutex_unlock(&chd_dec_mutex);
291	return ret;
292}
293
294static int chd_dec_open(struct inode *in, struct file *fd)
295{
296	struct crystalhd_adp *adp = chd_get_adp();
297	int rc = 0;
298	enum BC_STATUS sts = BC_STS_SUCCESS;
299	struct crystalhd_user *uc = NULL;
300
301	BCMLOG_ENTER;
302	if (!adp) {
303		BCMLOG_ERR("Invalid adp\n");
304		return -EINVAL;
305	}
306
307	if (adp->cfg_users >= BC_LINK_MAX_OPENS) {
308		BCMLOG(BCMLOG_INFO, "Already in use.%d\n", adp->cfg_users);
309		return -EBUSY;
310	}
311
312	sts = crystalhd_user_open(&adp->cmds, &uc);
313	if (sts != BC_STS_SUCCESS) {
314		BCMLOG_ERR("cmd_user_open - %d\n", sts);
315		rc = -EBUSY;
316	}
317
318	adp->cfg_users++;
319
320	fd->private_data = uc;
321
322	return rc;
323}
324
325static int chd_dec_close(struct inode *in, struct file *fd)
326{
327	struct crystalhd_adp *adp = chd_get_adp();
328	struct crystalhd_user *uc;
329
330	BCMLOG_ENTER;
331	if (!adp) {
332		BCMLOG_ERR("Invalid adp\n");
333		return -EINVAL;
334	}
335
336	uc = fd->private_data;
337	if (!uc) {
338		BCMLOG_ERR("Failed to get uc\n");
339		return -ENODATA;
340	}
341
342	crystalhd_user_close(&adp->cmds, uc);
343
344	adp->cfg_users--;
345
346	return 0;
347}
348
349static const struct file_operations chd_dec_fops = {
350	.owner   = THIS_MODULE,
351	.unlocked_ioctl = chd_dec_ioctl,
352	.open    = chd_dec_open,
353	.release = chd_dec_close,
354};
355
356static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
357{
358	struct crystalhd_ioctl_data *temp;
359	struct device *dev;
360	int rc = -ENODEV, i = 0;
361
362	if (!adp)
363		goto fail;
364
365	adp->chd_dec_major = register_chrdev(0, CRYSTALHD_API_NAME,
366					     &chd_dec_fops);
367	if (adp->chd_dec_major < 0) {
368		BCMLOG_ERR("Failed to create config dev\n");
369		rc = adp->chd_dec_major;
370		goto fail;
371	}
372
373	/* register crystalhd class */
374	crystalhd_class = class_create(THIS_MODULE, "crystalhd");
375	if (IS_ERR(crystalhd_class)) {
376		BCMLOG_ERR("failed to create class\n");
377		goto fail;
378	}
379
380	dev = device_create(crystalhd_class, NULL, MKDEV(adp->chd_dec_major, 0),
381			    NULL, "crystalhd");
382	if (IS_ERR(dev)) {
383		BCMLOG_ERR("failed to create device\n");
384		goto device_create_fail;
385	}
386
387	rc = crystalhd_create_elem_pool(adp, BC_LINK_ELEM_POOL_SZ);
388	if (rc) {
389		BCMLOG_ERR("failed to create device\n");
390		goto elem_pool_fail;
391	}
392
393	/* Allocate general purpose ioctl pool. */
394	for (i = 0; i < CHD_IODATA_POOL_SZ; i++) {
395		temp = kzalloc(sizeof(struct crystalhd_ioctl_data), GFP_ATOMIC);
396		if (!temp) {
397			BCMLOG_ERR("ioctl data pool kzalloc failed\n");
398			rc = -ENOMEM;
399			goto kzalloc_fail;
400		}
401		/* Add to global pool.. */
402		chd_dec_free_iodata(adp, temp, 0);
403	}
404
405	return 0;
406
407kzalloc_fail:
408	crystalhd_delete_elem_pool(adp);
409elem_pool_fail:
410	device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
411device_create_fail:
412	class_destroy(crystalhd_class);
413fail:
414	return rc;
415}
416
417static void __devexit chd_dec_release_chdev(struct crystalhd_adp *adp)
418{
419	struct crystalhd_ioctl_data *temp = NULL;
420	if (!adp)
421		return;
422
423	if (adp->chd_dec_major > 0) {
424		/* unregister crystalhd class */
425		device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
426		unregister_chrdev(adp->chd_dec_major, CRYSTALHD_API_NAME);
427		BCMLOG(BCMLOG_INFO, "released api device - %d\n",
428		       adp->chd_dec_major);
429		class_destroy(crystalhd_class);
430	}
431	adp->chd_dec_major = 0;
432
433	/* Clear iodata pool.. */
434	do {
435		temp = chd_dec_alloc_iodata(adp, 0);
436		kfree(temp);
437	} while (temp);
438
439	crystalhd_delete_elem_pool(adp);
440}
441
442static int __devinit chd_pci_reserve_mem(struct crystalhd_adp *pinfo)
443{
444	int rc;
445	unsigned long bar2 = pci_resource_start(pinfo->pdev, 2);
446	uint32_t mem_len   = pci_resource_len(pinfo->pdev, 2);
447	unsigned long bar0 = pci_resource_start(pinfo->pdev, 0);
448	uint32_t i2o_len   = pci_resource_len(pinfo->pdev, 0);
449
450	BCMLOG(BCMLOG_SSTEP, "bar2:0x%lx-0x%08x  bar0:0x%lx-0x%08x\n",
451	       bar2, mem_len, bar0, i2o_len);
452
453	rc = check_mem_region(bar2, mem_len);
454	if (rc) {
455		BCMLOG_ERR("No valid mem region...\n");
456		return -ENOMEM;
457	}
458
459	pinfo->addr = ioremap_nocache(bar2, mem_len);
460	if (!pinfo->addr) {
461		BCMLOG_ERR("Failed to remap mem region...\n");
462		return -ENOMEM;
463	}
464
465	pinfo->pci_mem_start = bar2;
466	pinfo->pci_mem_len   = mem_len;
467
468	rc = check_mem_region(bar0, i2o_len);
469	if (rc) {
470		BCMLOG_ERR("No valid mem region...\n");
471		return -ENOMEM;
472	}
473
474	pinfo->i2o_addr = ioremap_nocache(bar0, i2o_len);
475	if (!pinfo->i2o_addr) {
476		BCMLOG_ERR("Failed to remap mem region...\n");
477		return -ENOMEM;
478	}
479
480	pinfo->pci_i2o_start = bar0;
481	pinfo->pci_i2o_len   = i2o_len;
482
483	rc = pci_request_regions(pinfo->pdev, pinfo->name);
484	if (rc < 0) {
485		BCMLOG_ERR("Region request failed: %d\n", rc);
486		return rc;
487	}
488
489	BCMLOG(BCMLOG_SSTEP, "Mapped addr:0x%08lx  i2o_addr:0x%08lx\n",
490	       (unsigned long)pinfo->addr, (unsigned long)pinfo->i2o_addr);
491
492	return 0;
493}
494
495static void __devexit chd_pci_release_mem(struct crystalhd_adp *pinfo)
496{
497	if (!pinfo)
498		return;
499
500	if (pinfo->addr)
501		iounmap(pinfo->addr);
502
503	if (pinfo->i2o_addr)
504		iounmap(pinfo->i2o_addr);
505
506	pci_release_regions(pinfo->pdev);
507}
508
509
510static void __devexit chd_dec_pci_remove(struct pci_dev *pdev)
511{
512	struct crystalhd_adp *pinfo;
513	enum BC_STATUS sts = BC_STS_SUCCESS;
514
515	BCMLOG_ENTER;
516
517	pinfo = (struct crystalhd_adp *) pci_get_drvdata(pdev);
518	if (!pinfo) {
519		BCMLOG_ERR("could not get adp\n");
520		return;
521	}
522
523	sts = crystalhd_delete_cmd_context(&pinfo->cmds);
524	if (sts != BC_STS_SUCCESS)
525		BCMLOG_ERR("cmd delete :%d\n", sts);
526
527	chd_dec_release_chdev(pinfo);
528
529	chd_dec_disable_int(pinfo);
530
531	chd_pci_release_mem(pinfo);
532	pci_disable_device(pinfo->pdev);
533
534	kfree(pinfo);
535	g_adp_info = NULL;
536}
537
538static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
539			     const struct pci_device_id *entry)
540{
541	struct crystalhd_adp *pinfo;
542	int rc;
543	enum BC_STATUS sts = BC_STS_SUCCESS;
544
545	BCMLOG(BCMLOG_DBG, "PCI_INFO: Vendor:0x%04x Device:0x%04x "
546	       "s_vendor:0x%04x s_device: 0x%04x\n",
547	       pdev->vendor, pdev->device, pdev->subsystem_vendor,
548	       pdev->subsystem_device);
549
550	pinfo = kzalloc(sizeof(struct crystalhd_adp), GFP_ATOMIC);
551	if (!pinfo) {
552		BCMLOG_ERR("Failed to allocate memory\n");
553		return -ENOMEM;
554	}
555
556	pinfo->pdev = pdev;
557
558	rc = pci_enable_device(pdev);
559	if (rc) {
560		BCMLOG_ERR("Failed to enable PCI device\n");
561		return rc;
562	}
563
564	snprintf(pinfo->name, 31, "crystalhd_pci_e:%d:%d:%d",
565		 pdev->bus->number, PCI_SLOT(pdev->devfn),
566		 PCI_FUNC(pdev->devfn));
567
568	rc = chd_pci_reserve_mem(pinfo);
569	if (rc) {
570		BCMLOG_ERR("Failed to setup memory regions.\n");
571		return -ENOMEM;
572	}
573
574	pinfo->present	= 1;
575	pinfo->drv_data = entry->driver_data;
576
577	/* Setup adapter level lock.. */
578	spin_lock_init(&pinfo->lock);
579
580	/* setup api stuff.. */
581	chd_dec_init_chdev(pinfo);
582	rc = chd_dec_enable_int(pinfo);
583	if (rc) {
584		BCMLOG_ERR("_enable_int err:%d\n", rc);
585		pci_disable_device(pdev);
586		return -ENODEV;
587	}
588
589	/* Set dma mask... */
590	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
591		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
592		pinfo->dmabits = 64;
593	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
594		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
595		pinfo->dmabits = 32;
596	} else {
597		BCMLOG_ERR("Unabled to setup DMA %d\n", rc);
598		pci_disable_device(pdev);
599		return -ENODEV;
600	}
601
602	sts = crystalhd_setup_cmd_context(&pinfo->cmds, pinfo);
603	if (sts != BC_STS_SUCCESS) {
604		BCMLOG_ERR("cmd setup :%d\n", sts);
605		pci_disable_device(pdev);
606		return -ENODEV;
607	}
608
609	pci_set_master(pdev);
610
611	pci_set_drvdata(pdev, pinfo);
612
613	g_adp_info = pinfo;
614
615	return 0;
616}
617
618#ifdef CONFIG_PM
619int chd_dec_pci_suspend(struct pci_dev *pdev, pm_message_t state)
620{
621	struct crystalhd_adp *adp;
622	struct crystalhd_ioctl_data *temp;
623	enum BC_STATUS sts = BC_STS_SUCCESS;
624
625	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
626	if (!adp) {
627		BCMLOG_ERR("could not get adp\n");
628		return -ENODEV;
629	}
630
631	temp = chd_dec_alloc_iodata(adp, false);
632	if (!temp) {
633		BCMLOG_ERR("could not get ioctl data\n");
634		return -ENODEV;
635	}
636
637	sts = crystalhd_suspend(&adp->cmds, temp);
638	if (sts != BC_STS_SUCCESS) {
639		BCMLOG_ERR("BCM70012 Suspend %d\n", sts);
640		return -ENODEV;
641	}
642
643	chd_dec_free_iodata(adp, temp, false);
644	chd_dec_disable_int(adp);
645	pci_save_state(pdev);
646
647	/* Disable IO/bus master/irq router */
648	pci_disable_device(pdev);
649	pci_set_power_state(pdev, pci_choose_state(pdev, state));
650	return 0;
651}
652
653int chd_dec_pci_resume(struct pci_dev *pdev)
654{
655	struct crystalhd_adp *adp;
656	enum BC_STATUS sts = BC_STS_SUCCESS;
657	int rc;
658
659	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
660	if (!adp) {
661		BCMLOG_ERR("could not get adp\n");
662		return -ENODEV;
663	}
664
665	pci_set_power_state(pdev, PCI_D0);
666	pci_restore_state(pdev);
667
668	/* device's irq possibly is changed, driver should take care */
669	if (pci_enable_device(pdev)) {
670		BCMLOG_ERR("Failed to enable PCI device\n");
671		return 1;
672	}
673
674	pci_set_master(pdev);
675
676	rc = chd_dec_enable_int(adp);
677	if (rc) {
678		BCMLOG_ERR("_enable_int err:%d\n", rc);
679		pci_disable_device(pdev);
680		return -ENODEV;
681	}
682
683	sts = crystalhd_resume(&adp->cmds);
684	if (sts != BC_STS_SUCCESS) {
685		BCMLOG_ERR("BCM70012 Resume %d\n", sts);
686		pci_disable_device(pdev);
687		return -ENODEV;
688	}
689
690	return 0;
691}
692#endif
693
694static DEFINE_PCI_DEVICE_TABLE(chd_dec_pci_id_table) = {
695	{ PCI_VDEVICE(BROADCOM, 0x1612), 8 },
696	{ 0, },
697};
698MODULE_DEVICE_TABLE(pci, chd_dec_pci_id_table);
699
700static struct pci_driver bc_chd_70012_driver = {
701	.name     = "Broadcom 70012 Decoder",
702	.probe    = chd_dec_pci_probe,
703	.remove   = __devexit_p(chd_dec_pci_remove),
704	.id_table = chd_dec_pci_id_table,
705#ifdef CONFIG_PM
706	.suspend  = chd_dec_pci_suspend,
707	.resume   = chd_dec_pci_resume
708#endif
709};
710
711void chd_set_log_level(struct crystalhd_adp *adp, char *arg)
712{
713	if ((!arg) || (strlen(arg) < 3))
714		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA;
715	else if (!strncmp(arg, "sstep", 5))
716		g_linklog_level = BCMLOG_INFO | BCMLOG_DATA | BCMLOG_DBG |
717				  BCMLOG_SSTEP | BCMLOG_ERROR;
718	else if (!strncmp(arg, "info", 4))
719		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO;
720	else if (!strncmp(arg, "debug", 5))
721		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO |
722				  BCMLOG_DBG;
723	else if (!strncmp(arg, "pball", 5))
724		g_linklog_level = 0xFFFFFFFF & ~(BCMLOG_SPINLOCK);
725	else if (!strncmp(arg, "silent", 6))
726		g_linklog_level = 0;
727	else
728		g_linklog_level = 0;
729}
730
731struct crystalhd_adp *chd_get_adp(void)
732{
733	return g_adp_info;
734}
735
736static int __init chd_dec_module_init(void)
737{
738	int rc;
739
740	chd_set_log_level(NULL, "debug");
741	BCMLOG(BCMLOG_DATA, "Loading crystalhd %d.%d.%d\n",
742	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
743
744	rc = pci_register_driver(&bc_chd_70012_driver);
745
746	if (rc < 0)
747		BCMLOG_ERR("Could not find any devices. err:%d\n", rc);
748
749	return rc;
750}
751module_init(chd_dec_module_init);
752
753static void __exit chd_dec_module_cleanup(void)
754{
755	BCMLOG(BCMLOG_DATA, "unloading crystalhd %d.%d.%d\n",
756	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
757
758	pci_unregister_driver(&bc_chd_70012_driver);
759}
760module_exit(chd_dec_module_cleanup);
761
762MODULE_AUTHOR("Naren Sankar <nsankar@broadcom.com>");
763MODULE_AUTHOR("Prasad Bolisetty <prasadb@broadcom.com>");
764MODULE_DESCRIPTION(CRYSTAL_HD_NAME);
765MODULE_LICENSE("GPL");
766MODULE_ALIAS("bcm70012");
767