2 * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
4 * Copyright (c) 2008-2009 USI Co., Ltd.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
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12 * without modification.
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14 * substantially similar to the "NO WARRANTY" disclaimer below
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16 * including a substantially similar Disclaimer requirement for further
17 * binary redistribution.
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19 * of any contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
22 * Alternatively, this software may be distributed under the terms of the
23 * GNU General Public License ("GPL") version 2 as published by the Free
24 * Software Foundation.
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37 * POSSIBILITY OF SUCH DAMAGES.
41 #include <linux/slab.h>
42 #include "pm8001_sas.h"
43 #include "pm8001_chips.h"
45 static struct scsi_transport_template *pm8001_stt;
48 * chip info structure to identify chip key functionality as
49 * encryption available/not, no of ports, hw specific function ref
51 static const struct pm8001_chip_info pm8001_chips[] = {
52 [chip_8001] = {0, 8, &pm8001_8001_dispatch,},
53 [chip_8008] = {0, 8, &pm8001_80xx_dispatch,},
54 [chip_8009] = {1, 8, &pm8001_80xx_dispatch,},
55 [chip_8018] = {0, 16, &pm8001_80xx_dispatch,},
56 [chip_8019] = {1, 16, &pm8001_80xx_dispatch,},
57 [chip_8074] = {0, 8, &pm8001_80xx_dispatch,},
58 [chip_8076] = {0, 16, &pm8001_80xx_dispatch,},
59 [chip_8077] = {0, 16, &pm8001_80xx_dispatch,},
60 [chip_8006] = {0, 16, &pm8001_80xx_dispatch,},
66 struct workqueue_struct *pm8001_wq;
69 * The main structure which LLDD must register for scsi core.
71 static struct scsi_host_template pm8001_sht = {
72 .module = THIS_MODULE,
74 .queuecommand = sas_queuecommand,
75 .target_alloc = sas_target_alloc,
76 .slave_configure = sas_slave_configure,
77 .scan_finished = pm8001_scan_finished,
78 .scan_start = pm8001_scan_start,
79 .change_queue_depth = sas_change_queue_depth,
80 .bios_param = sas_bios_param,
83 .sg_tablesize = SG_ALL,
84 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
85 .use_clustering = ENABLE_CLUSTERING,
86 .eh_device_reset_handler = sas_eh_device_reset_handler,
87 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
88 .target_destroy = sas_target_destroy,
90 .shost_attrs = pm8001_host_attrs,
92 .track_queue_depth = 1,
96 * Sas layer call this function to execute specific task.
98 static struct sas_domain_function_template pm8001_transport_ops = {
99 .lldd_dev_found = pm8001_dev_found,
100 .lldd_dev_gone = pm8001_dev_gone,
102 .lldd_execute_task = pm8001_queue_command,
103 .lldd_control_phy = pm8001_phy_control,
105 .lldd_abort_task = pm8001_abort_task,
106 .lldd_abort_task_set = pm8001_abort_task_set,
107 .lldd_clear_aca = pm8001_clear_aca,
108 .lldd_clear_task_set = pm8001_clear_task_set,
109 .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset,
110 .lldd_lu_reset = pm8001_lu_reset,
111 .lldd_query_task = pm8001_query_task,
115 *pm8001_phy_init - initiate our adapter phys
116 *@pm8001_ha: our hba structure.
119 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
121 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
122 struct asd_sas_phy *sas_phy = &phy->sas_phy;
124 phy->pm8001_ha = pm8001_ha;
125 sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
126 sas_phy->class = SAS;
127 sas_phy->iproto = SAS_PROTOCOL_ALL;
129 sas_phy->type = PHY_TYPE_PHYSICAL;
130 sas_phy->role = PHY_ROLE_INITIATOR;
131 sas_phy->oob_mode = OOB_NOT_CONNECTED;
132 sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
133 sas_phy->id = phy_id;
134 sas_phy->sas_addr = &pm8001_ha->sas_addr[0];
135 sas_phy->frame_rcvd = &phy->frame_rcvd[0];
136 sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
137 sas_phy->lldd_phy = phy;
141 *pm8001_free - free hba
142 *@pm8001_ha: our hba structure.
145 static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
152 for (i = 0; i < USI_MAX_MEMCNT; i++) {
153 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
154 pci_free_consistent(pm8001_ha->pdev,
155 (pm8001_ha->memoryMap.region[i].total_len +
156 pm8001_ha->memoryMap.region[i].alignment),
157 pm8001_ha->memoryMap.region[i].virt_ptr,
158 pm8001_ha->memoryMap.region[i].phys_addr);
161 PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
162 if (pm8001_ha->shost)
163 scsi_host_put(pm8001_ha->shost);
164 flush_workqueue(pm8001_wq);
165 kfree(pm8001_ha->tags);
169 #ifdef PM8001_USE_TASKLET
172 * tasklet for 64 msi-x interrupt handler
173 * @opaque: the passed general host adapter struct
174 * Note: pm8001_tasklet is common for pm8001 & pm80xx
176 static void pm8001_tasklet(unsigned long opaque)
178 struct pm8001_hba_info *pm8001_ha;
179 struct isr_param *irq_vector;
181 irq_vector = (struct isr_param *)opaque;
182 pm8001_ha = irq_vector->drv_inst;
183 if (unlikely(!pm8001_ha))
185 PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
190 * pm8001_interrupt_handler_msix - main MSIX interrupt handler.
191 * It obtains the vector number and calls the equivalent bottom
192 * half or services directly.
193 * @opaque: the passed outbound queue/vector. Host structure is
194 * retrieved from the same.
196 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
198 struct isr_param *irq_vector;
199 struct pm8001_hba_info *pm8001_ha;
200 irqreturn_t ret = IRQ_HANDLED;
201 irq_vector = (struct isr_param *)opaque;
202 pm8001_ha = irq_vector->drv_inst;
204 if (unlikely(!pm8001_ha))
206 if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
208 #ifdef PM8001_USE_TASKLET
209 tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
211 ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
217 * pm8001_interrupt_handler_intx - main INTx interrupt handler.
218 * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
221 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
223 struct pm8001_hba_info *pm8001_ha;
224 irqreturn_t ret = IRQ_HANDLED;
225 struct sas_ha_struct *sha = dev_id;
226 pm8001_ha = sha->lldd_ha;
227 if (unlikely(!pm8001_ha))
229 if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
232 #ifdef PM8001_USE_TASKLET
233 tasklet_schedule(&pm8001_ha->tasklet[0]);
235 ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
241 * pm8001_alloc - initiate our hba structure and 6 DMAs area.
242 * @pm8001_ha:our hba structure.
245 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
246 const struct pci_device_id *ent)
249 spin_lock_init(&pm8001_ha->lock);
250 spin_lock_init(&pm8001_ha->bitmap_lock);
251 PM8001_INIT_DBG(pm8001_ha,
252 pm8001_printk("pm8001_alloc: PHY:%x\n",
253 pm8001_ha->chip->n_phy));
254 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
255 pm8001_phy_init(pm8001_ha, i);
256 pm8001_ha->port[i].wide_port_phymap = 0;
257 pm8001_ha->port[i].port_attached = 0;
258 pm8001_ha->port[i].port_state = 0;
259 INIT_LIST_HEAD(&pm8001_ha->port[i].list);
262 pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL);
263 if (!pm8001_ha->tags)
265 /* MPI Memory region 1 for AAP Event Log for fw */
266 pm8001_ha->memoryMap.region[AAP1].num_elements = 1;
267 pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE;
268 pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE;
269 pm8001_ha->memoryMap.region[AAP1].alignment = 32;
271 /* MPI Memory region 2 for IOP Event Log for fw */
272 pm8001_ha->memoryMap.region[IOP].num_elements = 1;
273 pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE;
274 pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
275 pm8001_ha->memoryMap.region[IOP].alignment = 32;
277 for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
278 /* MPI Memory region 3 for consumer Index of inbound queues */
279 pm8001_ha->memoryMap.region[CI+i].num_elements = 1;
280 pm8001_ha->memoryMap.region[CI+i].element_size = 4;
281 pm8001_ha->memoryMap.region[CI+i].total_len = 4;
282 pm8001_ha->memoryMap.region[CI+i].alignment = 4;
284 if ((ent->driver_data) != chip_8001) {
285 /* MPI Memory region 5 inbound queues */
286 pm8001_ha->memoryMap.region[IB+i].num_elements =
288 pm8001_ha->memoryMap.region[IB+i].element_size = 128;
289 pm8001_ha->memoryMap.region[IB+i].total_len =
290 PM8001_MPI_QUEUE * 128;
291 pm8001_ha->memoryMap.region[IB+i].alignment = 128;
293 pm8001_ha->memoryMap.region[IB+i].num_elements =
295 pm8001_ha->memoryMap.region[IB+i].element_size = 64;
296 pm8001_ha->memoryMap.region[IB+i].total_len =
297 PM8001_MPI_QUEUE * 64;
298 pm8001_ha->memoryMap.region[IB+i].alignment = 64;
302 for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
303 /* MPI Memory region 4 for producer Index of outbound queues */
304 pm8001_ha->memoryMap.region[PI+i].num_elements = 1;
305 pm8001_ha->memoryMap.region[PI+i].element_size = 4;
306 pm8001_ha->memoryMap.region[PI+i].total_len = 4;
307 pm8001_ha->memoryMap.region[PI+i].alignment = 4;
309 if (ent->driver_data != chip_8001) {
310 /* MPI Memory region 6 Outbound queues */
311 pm8001_ha->memoryMap.region[OB+i].num_elements =
313 pm8001_ha->memoryMap.region[OB+i].element_size = 128;
314 pm8001_ha->memoryMap.region[OB+i].total_len =
315 PM8001_MPI_QUEUE * 128;
316 pm8001_ha->memoryMap.region[OB+i].alignment = 128;
318 /* MPI Memory region 6 Outbound queues */
319 pm8001_ha->memoryMap.region[OB+i].num_elements =
321 pm8001_ha->memoryMap.region[OB+i].element_size = 64;
322 pm8001_ha->memoryMap.region[OB+i].total_len =
323 PM8001_MPI_QUEUE * 64;
324 pm8001_ha->memoryMap.region[OB+i].alignment = 64;
328 /* Memory region write DMA*/
329 pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
330 pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
331 pm8001_ha->memoryMap.region[NVMD].total_len = 4096;
332 /* Memory region for devices*/
333 pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1;
334 pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES *
335 sizeof(struct pm8001_device);
336 pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES *
337 sizeof(struct pm8001_device);
339 /* Memory region for ccb_info*/
340 pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1;
341 pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB *
342 sizeof(struct pm8001_ccb_info);
343 pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB *
344 sizeof(struct pm8001_ccb_info);
346 /* Memory region for fw flash */
347 pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
349 pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
350 pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
351 pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
352 pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
353 for (i = 0; i < USI_MAX_MEMCNT; i++) {
354 if (pm8001_mem_alloc(pm8001_ha->pdev,
355 &pm8001_ha->memoryMap.region[i].virt_ptr,
356 &pm8001_ha->memoryMap.region[i].phys_addr,
357 &pm8001_ha->memoryMap.region[i].phys_addr_hi,
358 &pm8001_ha->memoryMap.region[i].phys_addr_lo,
359 pm8001_ha->memoryMap.region[i].total_len,
360 pm8001_ha->memoryMap.region[i].alignment) != 0) {
361 PM8001_FAIL_DBG(pm8001_ha,
362 pm8001_printk("Mem%d alloc failed\n",
368 pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr;
369 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
370 pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED;
371 pm8001_ha->devices[i].id = i;
372 pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES;
373 pm8001_ha->devices[i].running_req = 0;
375 pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr;
376 for (i = 0; i < PM8001_MAX_CCB; i++) {
377 pm8001_ha->ccb_info[i].ccb_dma_handle =
378 pm8001_ha->memoryMap.region[CCB_MEM].phys_addr +
379 i * sizeof(struct pm8001_ccb_info);
380 pm8001_ha->ccb_info[i].task = NULL;
381 pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff;
382 pm8001_ha->ccb_info[i].device = NULL;
383 ++pm8001_ha->tags_num;
385 pm8001_ha->flags = PM8001F_INIT_TIME;
386 /* Initialize tags */
387 pm8001_tag_init(pm8001_ha);
394 * pm8001_ioremap - remap the pci high physical address to kernal virtual
395 * address so that we can access them.
396 * @pm8001_ha:our hba structure.
398 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
402 struct pci_dev *pdev;
404 pdev = pm8001_ha->pdev;
405 /* map pci mem (PMC pci base 0-3)*/
406 for (bar = 0; bar < 6; bar++) {
408 ** logical BARs for SPC:
409 ** bar 0 and 1 - logical BAR0
410 ** bar 2 and 3 - logical BAR1
411 ** bar4 - logical BAR2
412 ** bar5 - logical BAR3
413 ** Skip the appropriate assignments:
415 if ((bar == 1) || (bar == 3))
417 if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
418 pm8001_ha->io_mem[logicalBar].membase =
419 pci_resource_start(pdev, bar);
420 pm8001_ha->io_mem[logicalBar].membase &=
421 (u32)PCI_BASE_ADDRESS_MEM_MASK;
422 pm8001_ha->io_mem[logicalBar].memsize =
423 pci_resource_len(pdev, bar);
424 pm8001_ha->io_mem[logicalBar].memvirtaddr =
425 ioremap(pm8001_ha->io_mem[logicalBar].membase,
426 pm8001_ha->io_mem[logicalBar].memsize);
427 PM8001_INIT_DBG(pm8001_ha,
428 pm8001_printk("PCI: bar %d, logicalBar %d ",
430 PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
431 "base addr %llx virt_addr=%llx len=%d\n",
432 (u64)pm8001_ha->io_mem[logicalBar].membase,
434 pm8001_ha->io_mem[logicalBar].memvirtaddr,
435 pm8001_ha->io_mem[logicalBar].memsize));
437 pm8001_ha->io_mem[logicalBar].membase = 0;
438 pm8001_ha->io_mem[logicalBar].memsize = 0;
439 pm8001_ha->io_mem[logicalBar].memvirtaddr = 0;
447 * pm8001_pci_alloc - initialize our ha card structure
450 * @shost: scsi host struct which has been initialized before.
452 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
453 const struct pci_device_id *ent,
454 struct Scsi_Host *shost)
457 struct pm8001_hba_info *pm8001_ha;
458 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
461 pm8001_ha = sha->lldd_ha;
465 pm8001_ha->pdev = pdev;
466 pm8001_ha->dev = &pdev->dev;
467 pm8001_ha->chip_id = ent->driver_data;
468 pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
469 pm8001_ha->irq = pdev->irq;
470 pm8001_ha->sas = sha;
471 pm8001_ha->shost = shost;
472 pm8001_ha->id = pm8001_id++;
473 pm8001_ha->logging_level = 0x01;
474 sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
475 /* IOMB size is 128 for 8088/89 controllers */
476 if (pm8001_ha->chip_id != chip_8001)
477 pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
479 pm8001_ha->iomb_size = IOMB_SIZE_SPC;
481 #ifdef PM8001_USE_TASKLET
482 /* Tasklet for non msi-x interrupt handler */
483 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
484 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
485 (unsigned long)&(pm8001_ha->irq_vector[0]));
487 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
488 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
489 (unsigned long)&(pm8001_ha->irq_vector[j]));
491 pm8001_ioremap(pm8001_ha);
492 if (!pm8001_alloc(pm8001_ha, ent))
494 pm8001_free(pm8001_ha);
499 * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
502 static int pci_go_44(struct pci_dev *pdev)
506 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) {
507 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44));
509 rc = pci_set_consistent_dma_mask(pdev,
512 dev_printk(KERN_ERR, &pdev->dev,
513 "44-bit DMA enable failed\n");
518 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
520 dev_printk(KERN_ERR, &pdev->dev,
521 "32-bit DMA enable failed\n");
524 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
526 dev_printk(KERN_ERR, &pdev->dev,
527 "32-bit consistent DMA enable failed\n");
535 * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
536 * @shost: scsi host which has been allocated outside.
537 * @chip_info: our ha struct.
539 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
540 const struct pm8001_chip_info *chip_info)
543 struct asd_sas_phy **arr_phy;
544 struct asd_sas_port **arr_port;
545 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
547 phy_nr = chip_info->n_phy;
549 memset(sha, 0x00, sizeof(*sha));
550 arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
553 arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
557 sha->sas_phy = arr_phy;
558 sha->sas_port = arr_port;
559 sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
563 shost->transportt = pm8001_stt;
564 shost->max_id = PM8001_MAX_DEVICES;
566 shost->max_channel = 0;
567 shost->unique_id = pm8001_id;
568 shost->max_cmd_len = 16;
569 shost->can_queue = PM8001_CAN_QUEUE;
570 shost->cmd_per_lun = 32;
581 * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
582 * @shost: scsi host which has been allocated outside
583 * @chip_info: our ha struct.
585 static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
586 const struct pm8001_chip_info *chip_info)
589 struct pm8001_hba_info *pm8001_ha;
590 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
592 pm8001_ha = sha->lldd_ha;
593 for (i = 0; i < chip_info->n_phy; i++) {
594 sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
595 sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
597 sha->sas_ha_name = DRV_NAME;
598 sha->dev = pm8001_ha->dev;
600 sha->lldd_module = THIS_MODULE;
601 sha->sas_addr = &pm8001_ha->sas_addr[0];
602 sha->num_phys = chip_info->n_phy;
603 sha->core.shost = shost;
607 * pm8001_init_sas_add - initialize sas address
608 * @chip_info: our ha struct.
610 * Currently we just set the fixed SAS address to our HBA,for manufacture,
611 * it should read from the EEPROM
613 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
616 #ifdef PM8001_READ_VPD
617 /* For new SPC controllers WWN is stored in flash vpd
618 * For SPC/SPCve controllers WWN is stored in EEPROM
619 * For Older SPC WWN is stored in NVMD
621 DECLARE_COMPLETION_ONSTACK(completion);
622 struct pm8001_ioctl_payload payload;
626 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
627 pm8001_ha->nvmd_completion = &completion;
629 if (pm8001_ha->chip_id == chip_8001) {
630 if (deviceid == 0x8081 || deviceid == 0x0042) {
631 payload.minor_function = 4;
632 payload.length = 4096;
634 payload.minor_function = 0;
635 payload.length = 128;
638 payload.minor_function = 1;
639 payload.length = 4096;
642 payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
643 if (!payload.func_specific) {
644 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
647 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
649 kfree(payload.func_specific);
650 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
653 wait_for_completion(&completion);
655 for (i = 0, j = 0; i <= 7; i++, j++) {
656 if (pm8001_ha->chip_id == chip_8001) {
657 if (deviceid == 0x8081)
658 pm8001_ha->sas_addr[j] =
659 payload.func_specific[0x704 + i];
660 else if (deviceid == 0x0042)
661 pm8001_ha->sas_addr[j] =
662 payload.func_specific[0x010 + i];
664 pm8001_ha->sas_addr[j] =
665 payload.func_specific[0x804 + i];
668 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
669 memcpy(&pm8001_ha->phy[i].dev_sas_addr,
670 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
671 PM8001_INIT_DBG(pm8001_ha,
672 pm8001_printk("phy %d sas_addr = %016llx\n", i,
673 pm8001_ha->phy[i].dev_sas_addr));
675 kfree(payload.func_specific);
677 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
678 pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
679 pm8001_ha->phy[i].dev_sas_addr =
681 (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
683 memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
689 * pm8001_get_phy_settings_info : Read phy setting values.
690 * @pm8001_ha : our hba.
692 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
695 #ifdef PM8001_READ_VPD
696 /*OPTION ROM FLASH read for the SPC cards */
697 DECLARE_COMPLETION_ONSTACK(completion);
698 struct pm8001_ioctl_payload payload;
701 pm8001_ha->nvmd_completion = &completion;
702 /* SAS ADDRESS read from flash / EEPROM */
703 payload.minor_function = 6;
705 payload.length = 4096;
706 payload.func_specific = kzalloc(4096, GFP_KERNEL);
707 if (!payload.func_specific)
709 /* Read phy setting values from flash */
710 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
712 kfree(payload.func_specific);
713 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
716 wait_for_completion(&completion);
717 pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
718 kfree(payload.func_specific);
723 #ifdef PM8001_USE_MSIX
725 * pm8001_setup_msix - enable MSI-X interrupt
726 * @chip_info: our ha struct.
727 * @irq_handler: irq_handler
729 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
736 static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
738 /* SPCv controllers supports 64 msi-x */
739 if (pm8001_ha->chip_id == chip_8001) {
742 number_of_intr = PM8001_MAX_MSIX_VEC;
743 flag &= ~IRQF_SHARED;
746 max_entry = sizeof(pm8001_ha->msix_entries) /
747 sizeof(pm8001_ha->msix_entries[0]);
748 for (i = 0; i < max_entry ; i++)
749 pm8001_ha->msix_entries[i].entry = i;
750 rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
752 pm8001_ha->number_of_intr = number_of_intr;
756 PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
757 "pci_enable_msix_exact request ret:%d no of intr %d\n",
758 rc, pm8001_ha->number_of_intr));
760 for (i = 0; i < number_of_intr; i++) {
761 snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
763 pm8001_ha->irq_vector[i].irq_id = i;
764 pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
766 rc = request_irq(pm8001_ha->msix_entries[i].vector,
767 pm8001_interrupt_handler_msix, flag,
768 intr_drvname[i], &(pm8001_ha->irq_vector[i]));
770 for (j = 0; j < i; j++) {
771 free_irq(pm8001_ha->msix_entries[j].vector,
772 &(pm8001_ha->irq_vector[i]));
774 pci_disable_msix(pm8001_ha->pdev);
784 * pm8001_request_irq - register interrupt
785 * @chip_info: our ha struct.
787 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
789 struct pci_dev *pdev;
792 pdev = pm8001_ha->pdev;
794 #ifdef PM8001_USE_MSIX
796 return pm8001_setup_msix(pm8001_ha);
798 PM8001_INIT_DBG(pm8001_ha,
799 pm8001_printk("MSIX not supported!!!\n"));
805 /* initialize the INT-X interrupt */
806 rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED,
807 DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
812 * pm8001_pci_probe - probe supported device
813 * @pdev: pci device which kernel has been prepared for.
814 * @ent: pci device id
816 * This function is the main initialization function, when register a new
817 * pci driver it is invoked, all struct an hardware initilization should be done
818 * here, also, register interrupt
820 static int pm8001_pci_probe(struct pci_dev *pdev,
821 const struct pci_device_id *ent)
826 struct pm8001_hba_info *pm8001_ha;
827 struct Scsi_Host *shost = NULL;
828 const struct pm8001_chip_info *chip;
830 dev_printk(KERN_INFO, &pdev->dev,
831 "pm80xx: driver version %s\n", DRV_VERSION);
832 rc = pci_enable_device(pdev);
835 pci_set_master(pdev);
837 * Enable pci slot busmaster by setting pci command register.
838 * This is required by FW for Cyclone card.
841 pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
843 pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
844 rc = pci_request_regions(pdev, DRV_NAME);
846 goto err_out_disable;
847 rc = pci_go_44(pdev);
849 goto err_out_regions;
851 shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
854 goto err_out_regions;
856 chip = &pm8001_chips[ent->driver_data];
857 SHOST_TO_SAS_HA(shost) =
858 kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
859 if (!SHOST_TO_SAS_HA(shost)) {
861 goto err_out_free_host;
864 rc = pm8001_prep_sas_ha_init(shost, chip);
869 pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
870 /* ent->driver variable is used to differentiate between controllers */
871 pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
876 list_add_tail(&pm8001_ha->list, &hba_list);
877 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
878 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
880 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
881 "chip_init failed [ret: %d]\n", rc));
882 goto err_out_ha_free;
885 rc = scsi_add_host(shost, &pdev->dev);
887 goto err_out_ha_free;
888 rc = pm8001_request_irq(pm8001_ha);
890 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
891 "pm8001_request_irq failed [ret: %d]\n", rc));
895 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
896 if (pm8001_ha->chip_id != chip_8001) {
897 for (i = 1; i < pm8001_ha->number_of_intr; i++)
898 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
899 /* setup thermal configuration. */
900 pm80xx_set_thermal_config(pm8001_ha);
903 pm8001_init_sas_add(pm8001_ha);
904 /* phy setting support for motherboard controller */
905 if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 &&
906 pdev->subsystem_vendor != 0) {
907 rc = pm8001_get_phy_settings_info(pm8001_ha);
911 pm8001_post_sas_ha_init(shost, chip);
912 rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
915 scsi_scan_host(pm8001_ha->shost);
919 scsi_remove_host(pm8001_ha->shost);
921 pm8001_free(pm8001_ha);
923 kfree(SHOST_TO_SAS_HA(shost));
927 pci_release_regions(pdev);
929 pci_disable_device(pdev);
934 static void pm8001_pci_remove(struct pci_dev *pdev)
936 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
937 struct pm8001_hba_info *pm8001_ha;
939 pm8001_ha = sha->lldd_ha;
940 sas_unregister_ha(sha);
941 sas_remove_host(pm8001_ha->shost);
942 list_del(&pm8001_ha->list);
943 scsi_remove_host(pm8001_ha->shost);
944 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
945 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
947 #ifdef PM8001_USE_MSIX
948 for (i = 0; i < pm8001_ha->number_of_intr; i++)
949 synchronize_irq(pm8001_ha->msix_entries[i].vector);
950 for (i = 0; i < pm8001_ha->number_of_intr; i++)
951 free_irq(pm8001_ha->msix_entries[i].vector,
952 &(pm8001_ha->irq_vector[i]));
953 pci_disable_msix(pdev);
955 free_irq(pm8001_ha->irq, sha);
957 #ifdef PM8001_USE_TASKLET
958 /* For non-msix and msix interrupts */
959 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
960 tasklet_kill(&pm8001_ha->tasklet[0]);
962 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
963 tasklet_kill(&pm8001_ha->tasklet[j]);
965 pm8001_free(pm8001_ha);
967 kfree(sha->sas_port);
969 pci_release_regions(pdev);
970 pci_disable_device(pdev);
974 * pm8001_pci_suspend - power management suspend main entry point
975 * @pdev: PCI device struct
976 * @state: PM state change to (usually PCI_D3)
978 * Returns 0 success, anything else error.
980 static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
982 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
983 struct pm8001_hba_info *pm8001_ha;
986 pm8001_ha = sha->lldd_ha;
988 flush_workqueue(pm8001_wq);
989 scsi_block_requests(pm8001_ha->shost);
991 dev_err(&pdev->dev, " PCI PM not supported\n");
994 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
995 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
996 #ifdef PM8001_USE_MSIX
997 for (i = 0; i < pm8001_ha->number_of_intr; i++)
998 synchronize_irq(pm8001_ha->msix_entries[i].vector);
999 for (i = 0; i < pm8001_ha->number_of_intr; i++)
1000 free_irq(pm8001_ha->msix_entries[i].vector,
1001 &(pm8001_ha->irq_vector[i]));
1002 pci_disable_msix(pdev);
1004 free_irq(pm8001_ha->irq, sha);
1006 #ifdef PM8001_USE_TASKLET
1007 /* For non-msix and msix interrupts */
1008 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1009 tasklet_kill(&pm8001_ha->tasklet[0]);
1011 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1012 tasklet_kill(&pm8001_ha->tasklet[j]);
1014 device_state = pci_choose_state(pdev, state);
1015 pm8001_printk("pdev=0x%p, slot=%s, entering "
1016 "operating state [D%d]\n", pdev,
1017 pm8001_ha->name, device_state);
1018 pci_save_state(pdev);
1019 pci_disable_device(pdev);
1020 pci_set_power_state(pdev, device_state);
1025 * pm8001_pci_resume - power management resume main entry point
1026 * @pdev: PCI device struct
1028 * Returns 0 success, anything else error.
1030 static int pm8001_pci_resume(struct pci_dev *pdev)
1032 struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1033 struct pm8001_hba_info *pm8001_ha;
1037 DECLARE_COMPLETION_ONSTACK(completion);
1038 pm8001_ha = sha->lldd_ha;
1039 device_state = pdev->current_state;
1041 pm8001_printk("pdev=0x%p, slot=%s, resuming from previous "
1042 "operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
1044 pci_set_power_state(pdev, PCI_D0);
1045 pci_enable_wake(pdev, PCI_D0, 0);
1046 pci_restore_state(pdev);
1047 rc = pci_enable_device(pdev);
1049 pm8001_printk("slot=%s Enable device failed during resume\n",
1051 goto err_out_enable;
1054 pci_set_master(pdev);
1055 rc = pci_go_44(pdev);
1057 goto err_out_disable;
1058 sas_prep_resume_ha(sha);
1059 /* chip soft rst only for spc */
1060 if (pm8001_ha->chip_id == chip_8001) {
1061 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1062 PM8001_INIT_DBG(pm8001_ha,
1063 pm8001_printk("chip soft reset successful\n"));
1065 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1067 goto err_out_disable;
1069 /* disable all the interrupt bits */
1070 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1072 rc = pm8001_request_irq(pm8001_ha);
1074 goto err_out_disable;
1075 #ifdef PM8001_USE_TASKLET
1076 /* Tasklet for non msi-x interrupt handler */
1077 if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1078 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
1079 (unsigned long)&(pm8001_ha->irq_vector[0]));
1081 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1082 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
1083 (unsigned long)&(pm8001_ha->irq_vector[j]));
1085 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1086 if (pm8001_ha->chip_id != chip_8001) {
1087 for (i = 1; i < pm8001_ha->number_of_intr; i++)
1088 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1090 pm8001_ha->flags = PM8001F_RUN_TIME;
1091 for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
1092 pm8001_ha->phy[i].enable_completion = &completion;
1093 PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
1094 wait_for_completion(&completion);
1100 scsi_remove_host(pm8001_ha->shost);
1101 pci_disable_device(pdev);
1106 /* update of pci device, vendor id and driver data with
1107 * unique value for each of the controller
1109 static struct pci_device_id pm8001_pci_table[] = {
1110 { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
1111 { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 },
1112 { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 },
1113 { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
1114 /* Support for SPC/SPCv/SPCve controllers */
1115 { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
1116 { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
1117 { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
1118 { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
1119 { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
1120 { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
1121 { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
1122 { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
1123 { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
1124 { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
1125 { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
1126 { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
1127 { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
1128 { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
1129 { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
1130 { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1131 PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
1132 { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1133 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
1134 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1135 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
1136 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1137 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
1138 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1139 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
1140 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1141 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
1142 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1143 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
1144 { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1145 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
1146 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1147 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
1148 { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1149 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
1150 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1151 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
1152 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1153 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
1154 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1155 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
1156 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1157 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
1158 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1159 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
1160 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1161 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
1162 { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1163 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
1164 { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1165 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
1166 { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1167 PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
1168 {} /* terminate list */
1171 static struct pci_driver pm8001_pci_driver = {
1173 .id_table = pm8001_pci_table,
1174 .probe = pm8001_pci_probe,
1175 .remove = pm8001_pci_remove,
1176 .suspend = pm8001_pci_suspend,
1177 .resume = pm8001_pci_resume,
1181 * pm8001_init - initialize scsi transport template
1183 static int __init pm8001_init(void)
1187 pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
1192 pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
1195 rc = pci_register_driver(&pm8001_pci_driver);
1201 sas_release_transport(pm8001_stt);
1203 destroy_workqueue(pm8001_wq);
1208 static void __exit pm8001_exit(void)
1210 pci_unregister_driver(&pm8001_pci_driver);
1211 sas_release_transport(pm8001_stt);
1212 destroy_workqueue(pm8001_wq);
1215 module_init(pm8001_init);
1216 module_exit(pm8001_exit);
1218 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
1219 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
1220 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
1221 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
1223 "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077 "
1224 "SAS/SATA controller driver");
1225 MODULE_VERSION(DRV_VERSION);
1226 MODULE_LICENSE("GPL");
1227 MODULE_DEVICE_TABLE(pci, pm8001_pci_table);