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path: root/drivers/scsi/aacraid/comminit.c
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Diffstat (limited to 'drivers/scsi/aacraid/comminit.c')
-rw-r--r--drivers/scsi/aacraid/comminit.c350
1 files changed, 200 insertions, 150 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 341ea327ae79..35607005f7e1 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -6,7 +6,8 @@
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2010 Adaptec, Inc.
- * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -50,9 +51,13 @@ struct aac_common aac_config = {
static inline int aac_is_msix_mode(struct aac_dev *dev)
{
- u32 status;
+ u32 status = 0;
- status = src_readl(dev, MUnit.OMR);
+ if (dev->pdev->device == PMC_DEVICE_S6 ||
+ dev->pdev->device == PMC_DEVICE_S7 ||
+ dev->pdev->device == PMC_DEVICE_S8) {
+ status = src_readl(dev, MUnit.OMR);
+ }
return (status & AAC_INT_MODE_MSIX);
}
@@ -68,104 +73,175 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
unsigned long size, align;
const unsigned long fibsize = dev->max_fib_size;
const unsigned long printfbufsiz = 256;
- unsigned long host_rrq_size = 0;
- struct aac_init *init;
+ unsigned long host_rrq_size, aac_init_size;
+ union aac_init *init;
dma_addr_t phys;
unsigned long aac_max_hostphysmempages;
- if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1 ||
- dev->comm_interface == AAC_COMM_MESSAGE_TYPE2)
+ if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) ||
+ (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) ||
+ (dev->comm_interface == AAC_COMM_MESSAGE_TYPE3 &&
+ !dev->sa_firmware)) {
+ host_rrq_size =
+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)
+ * sizeof(u32);
+ aac_init_size = sizeof(union aac_init);
+ } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE3 &&
+ dev->sa_firmware) {
host_rrq_size = (dev->scsi_host_ptr->can_queue
- + AAC_NUM_MGT_FIB) * sizeof(u32);
- size = fibsize + sizeof(struct aac_init) + commsize +
- commalign + printfbufsiz + host_rrq_size;
-
+ + AAC_NUM_MGT_FIB) * sizeof(u32) * AAC_MAX_MSIX;
+ aac_init_size = sizeof(union aac_init) +
+ (AAC_MAX_HRRQ - 1) * sizeof(struct _rrq);
+ } else {
+ host_rrq_size = 0;
+ aac_init_size = sizeof(union aac_init);
+ }
+ size = fibsize + aac_init_size + commsize + commalign +
+ printfbufsiz + host_rrq_size;
+
base = pci_alloc_consistent(dev->pdev, size, &phys);
- if(base == NULL)
- {
+ if (base == NULL) {
printk(KERN_ERR "aacraid: unable to create mapping.\n");
return 0;
}
+
dev->comm_addr = (void *)base;
dev->comm_phys = phys;
dev->comm_size = size;
-
- if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1 ||
- dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
+
+ if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) ||
+ (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) ||
+ (dev->comm_interface == AAC_COMM_MESSAGE_TYPE3)) {
dev->host_rrq = (u32 *)(base + fibsize);
dev->host_rrq_pa = phys + fibsize;
memset(dev->host_rrq, 0, host_rrq_size);
}
- dev->init = (struct aac_init *)(base + fibsize + host_rrq_size);
+ dev->init = (union aac_init *)(base + fibsize + host_rrq_size);
dev->init_pa = phys + fibsize + host_rrq_size;
init = dev->init;
- init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
- if (dev->max_fib_size != sizeof(struct hw_fib))
- init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
- init->Sa_MSIXVectors = cpu_to_le32(SA_INIT_NUM_MSIXVECTORS);
- init->fsrev = cpu_to_le32(dev->fsrev);
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) {
+ int i;
+ u64 addr;
+
+ init->r8.init_struct_revision =
+ cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_8);
+ init->r8.init_flags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
+ INITFLAGS_DRIVER_USES_UTC_TIME |
+ INITFLAGS_DRIVER_SUPPORTS_PM);
+ init->r8.init_flags |=
+ cpu_to_le32(INITFLAGS_DRIVER_SUPPORTS_HBA_MODE);
+ init->r8.rr_queue_count = cpu_to_le32(dev->max_msix);
+ init->r8.max_io_size =
+ cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
+ init->r8.max_num_aif = init->r8.reserved1 =
+ init->r8.reserved2 = 0;
+
+ for (i = 0; i < dev->max_msix; i++) {
+ addr = (u64)dev->host_rrq_pa + dev->vector_cap * i *
+ sizeof(u32);
+ init->r8.rrq[i].host_addr_high = cpu_to_le32(
+ upper_32_bits(addr));
+ init->r8.rrq[i].host_addr_low = cpu_to_le32(
+ lower_32_bits(addr));
+ init->r8.rrq[i].msix_id = i;
+ init->r8.rrq[i].element_count = cpu_to_le16(
+ (u16)dev->vector_cap);
+ init->r8.rrq[i].comp_thresh =
+ init->r8.rrq[i].unused = 0;
+ }
- /*
- * Adapter Fibs are the first thing allocated so that they
- * start page aligned
- */
- dev->aif_base_va = (struct hw_fib *)base;
-
- init->AdapterFibsVirtualAddress = 0;
- init->AdapterFibsPhysicalAddress = cpu_to_le32((u32)phys);
- init->AdapterFibsSize = cpu_to_le32(fibsize);
- init->AdapterFibAlign = cpu_to_le32(sizeof(struct hw_fib));
- /*
- * number of 4k pages of host physical memory. The aacraid fw needs
- * this number to be less than 4gb worth of pages. New firmware doesn't
- * have any issues with the mapping system, but older Firmware did, and
- * had *troubles* dealing with the math overloading past 32 bits, thus
- * we must limit this field.
- */
- aac_max_hostphysmempages = dma_get_required_mask(&dev->pdev->dev) >> 12;
- if (aac_max_hostphysmempages < AAC_MAX_HOSTPHYSMEMPAGES)
- init->HostPhysMemPages = cpu_to_le32(aac_max_hostphysmempages);
- else
- init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
-
- init->InitFlags = cpu_to_le32(INITFLAGS_DRIVER_USES_UTC_TIME |
- INITFLAGS_DRIVER_SUPPORTS_PM);
- init->MaxIoCommands = cpu_to_le32(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB);
- init->MaxIoSize = cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
- init->MaxFibSize = cpu_to_le32(dev->max_fib_size);
- init->MaxNumAif = cpu_to_le32(dev->max_num_aif);
-
- if (dev->comm_interface == AAC_COMM_MESSAGE) {
- init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
- dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
- } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
- init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_6);
- init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
- INITFLAGS_NEW_COMM_TYPE1_SUPPORTED | INITFLAGS_FAST_JBOD_SUPPORTED);
- init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32));
- init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff));
- dprintk((KERN_WARNING"aacraid: New Comm Interface type1 enabled\n"));
- } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
- init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_7);
- init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
- INITFLAGS_NEW_COMM_TYPE2_SUPPORTED | INITFLAGS_FAST_JBOD_SUPPORTED);
- init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32));
- init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff));
- /* number of MSI-X */
- init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
- dprintk((KERN_WARNING"aacraid: New Comm Interface type2 enabled\n"));
+ pr_warn("aacraid: Comm Interface type3 enabled\n");
+ } else {
+ init->r7.init_struct_revision =
+ cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
+ if (dev->max_fib_size != sizeof(struct hw_fib))
+ init->r7.init_struct_revision =
+ cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
+ init->r7.no_of_msix_vectors = cpu_to_le32(SA_MINIPORT_REVISION);
+ init->r7.fsrev = cpu_to_le32(dev->fsrev);
+
+ /*
+ * Adapter Fibs are the first thing allocated so that they
+ * start page aligned
+ */
+ dev->aif_base_va = (struct hw_fib *)base;
+
+ init->r7.adapter_fibs_virtual_address = 0;
+ init->r7.adapter_fibs_physical_address = cpu_to_le32((u32)phys);
+ init->r7.adapter_fibs_size = cpu_to_le32(fibsize);
+ init->r7.adapter_fib_align = cpu_to_le32(sizeof(struct hw_fib));
+
+ /*
+ * number of 4k pages of host physical memory. The aacraid fw
+ * needs this number to be less than 4gb worth of pages. New
+ * firmware doesn't have any issues with the mapping system, but
+ * older Firmware did, and had *troubles* dealing with the math
+ * overloading past 32 bits, thus we must limit this field.
+ */
+ aac_max_hostphysmempages =
+ dma_get_required_mask(&dev->pdev->dev) >> 12;
+ if (aac_max_hostphysmempages < AAC_MAX_HOSTPHYSMEMPAGES)
+ init->r7.host_phys_mem_pages =
+ cpu_to_le32(aac_max_hostphysmempages);
+ else
+ init->r7.host_phys_mem_pages =
+ cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
+
+ init->r7.init_flags =
+ cpu_to_le32(INITFLAGS_DRIVER_USES_UTC_TIME |
+ INITFLAGS_DRIVER_SUPPORTS_PM);
+ init->r7.max_io_commands =
+ cpu_to_le32(dev->scsi_host_ptr->can_queue +
+ AAC_NUM_MGT_FIB);
+ init->r7.max_io_size =
+ cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
+ init->r7.max_fib_size = cpu_to_le32(dev->max_fib_size);
+ init->r7.max_num_aif = cpu_to_le32(dev->max_num_aif);
+
+ if (dev->comm_interface == AAC_COMM_MESSAGE) {
+ init->r7.init_flags |=
+ cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
+ pr_warn("aacraid: Comm Interface enabled\n");
+ } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
+ init->r7.init_struct_revision =
+ cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_6);
+ init->r7.init_flags |=
+ cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
+ INITFLAGS_NEW_COMM_TYPE1_SUPPORTED |
+ INITFLAGS_FAST_JBOD_SUPPORTED);
+ init->r7.host_rrq_addr_high =
+ cpu_to_le32(upper_32_bits(dev->host_rrq_pa));
+ init->r7.host_rrq_addr_low =
+ cpu_to_le32(lower_32_bits(dev->host_rrq_pa));
+ pr_warn("aacraid: Comm Interface type1 enabled\n");
+ } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
+ init->r7.init_struct_revision =
+ cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_7);
+ init->r7.init_flags |=
+ cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
+ INITFLAGS_NEW_COMM_TYPE2_SUPPORTED |
+ INITFLAGS_FAST_JBOD_SUPPORTED);
+ init->r7.host_rrq_addr_high =
+ cpu_to_le32(upper_32_bits(dev->host_rrq_pa));
+ init->r7.host_rrq_addr_low =
+ cpu_to_le32(lower_32_bits(dev->host_rrq_pa));
+ init->r7.no_of_msix_vectors =
+ cpu_to_le32(dev->max_msix);
+ /* must be the COMM_PREFERRED_SETTINGS values */
+ pr_warn("aacraid: Comm Interface type2 enabled\n");
+ }
}
/*
* Increment the base address by the amount already used
*/
- base = base + fibsize + host_rrq_size + sizeof(struct aac_init);
+ base = base + fibsize + host_rrq_size + aac_init_size;
phys = (dma_addr_t)((ulong)phys + fibsize + host_rrq_size +
- sizeof(struct aac_init));
+ aac_init_size);
/*
* Align the beginning of Headers to commalign
@@ -177,7 +253,8 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
* Fill in addresses of the Comm Area Headers and Queues
*/
*commaddr = base;
- init->CommHeaderAddress = cpu_to_le32((u32)phys);
+ if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE3)
+ init->r7.comm_header_address = cpu_to_le32((u32)phys);
/*
* Increment the base address by the size of the CommArea
*/
@@ -187,12 +264,14 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
* Place the Printf buffer area after the Fast I/O comm area.
*/
dev->printfbuf = (void *)base;
- init->printfbuf = cpu_to_le32(phys);
- init->printfbufsiz = cpu_to_le32(printfbufsiz);
+ if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE3) {
+ init->r7.printfbuf = cpu_to_le32(phys);
+ init->r7.printfbufsiz = cpu_to_le32(printfbufsiz);
+ }
memset(base, 0, printfbufsiz);
return 1;
}
-
+
static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem, int qsize)
{
atomic_set(&q->numpending, 0);
@@ -251,7 +330,7 @@ int aac_send_shutdown(struct aac_dev * dev)
dev->pdev->device == PMC_DEVICE_S8 ||
dev->pdev->device == PMC_DEVICE_S9) &&
dev->msi_enabled)
- aac_src_access_devreg(dev, AAC_ENABLE_INTX);
+ aac_set_intx_mode(dev);
return status;
}
@@ -378,16 +457,12 @@ void aac_define_int_mode(struct aac_dev *dev)
if (msi_count > AAC_MAX_MSIX)
msi_count = AAC_MAX_MSIX;
- for (i = 0; i < msi_count; i++)
- dev->msixentry[i].entry = i;
-
if (msi_count > 1 &&
pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
min_msix = 2;
- i = pci_enable_msix_range(dev->pdev,
- dev->msixentry,
- min_msix,
- msi_count);
+ i = pci_alloc_irq_vectors(dev->pdev,
+ min_msix, msi_count,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
if (i > 0) {
dev->msi_enabled = 1;
msi_count = i;
@@ -404,9 +479,13 @@ void aac_define_int_mode(struct aac_dev *dev)
if (dev->max_msix > msi_count)
dev->max_msix = msi_count;
}
- dev->vector_cap =
- (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
- msi_count;
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE3 && dev->sa_firmware)
+ dev->vector_cap = dev->scsi_host_ptr->can_queue +
+ AAC_NUM_MGT_FIB;
+ else
+ dev->vector_cap = (dev->scsi_host_ptr->can_queue +
+ AAC_NUM_MGT_FIB) / msi_count;
+
}
struct aac_dev *aac_init_adapter(struct aac_dev *dev)
{
@@ -440,30 +519,37 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
0, 0, 0, 0, 0, 0,
- status+0, status+1, status+2, status+3, NULL)) &&
- (status[0] == 0x00000001)) {
+ status+0, status+1, status+2, status+3, status+4)) &&
+ (status[0] == 0x00000001)) {
dev->doorbell_mask = status[3];
- if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64))
+ if (status[1] & AAC_OPT_NEW_COMM_64)
dev->raw_io_64 = 1;
dev->sync_mode = aac_sync_mode;
if (dev->a_ops.adapter_comm &&
- (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM))) {
+ (status[1] & AAC_OPT_NEW_COMM)) {
dev->comm_interface = AAC_COMM_MESSAGE;
dev->raw_io_interface = 1;
- if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE1))) {
+ if ((status[1] & AAC_OPT_NEW_COMM_TYPE1)) {
/* driver supports TYPE1 (Tupelo) */
dev->comm_interface = AAC_COMM_MESSAGE_TYPE1;
- } else if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE2))) {
- /* driver supports TYPE2 (Denali) */
+ } else if (status[1] & AAC_OPT_NEW_COMM_TYPE2) {
+ /* driver supports TYPE2 (Denali, Yosemite) */
dev->comm_interface = AAC_COMM_MESSAGE_TYPE2;
- } else if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE4)) ||
- (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE3))) {
- /* driver doesn't TYPE3 and TYPE4 */
- /* switch to sync. mode */
+ } else if (status[1] & AAC_OPT_NEW_COMM_TYPE3) {
+ /* driver supports TYPE3 (Yosemite, Thor) */
+ dev->comm_interface = AAC_COMM_MESSAGE_TYPE3;
+ } else if (status[1] & AAC_OPT_NEW_COMM_TYPE4) {
+ /* not supported TYPE - switch to sync. mode */
dev->comm_interface = AAC_COMM_MESSAGE_TYPE2;
dev->sync_mode = 1;
}
}
+ if ((status[1] & le32_to_cpu(AAC_OPT_EXTENDED)) &&
+ (status[4] & le32_to_cpu(AAC_EXTOPT_SA_FIRMWARE)))
+ dev->sa_firmware = 1;
+ else
+ dev->sa_firmware = 0;
+
if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
(status[2] > dev->base_size)) {
aac_adapter_ioremap(dev, 0);
@@ -500,61 +586,25 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
dev->sg_tablesize = status[2] & 0xFFFF;
if (dev->pdev->device == PMC_DEVICE_S7 ||
dev->pdev->device == PMC_DEVICE_S8 ||
- dev->pdev->device == PMC_DEVICE_S9)
- host->can_queue = ((status[3] >> 16) ? (status[3] >> 16) :
- (status[3] & 0xFFFF)) - AAC_NUM_MGT_FIB;
- else
- host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
+ dev->pdev->device == PMC_DEVICE_S9) {
+ if (host->can_queue > (status[3] >> 16) -
+ AAC_NUM_MGT_FIB)
+ host->can_queue = (status[3] >> 16) -
+ AAC_NUM_MGT_FIB;
+ } else if (host->can_queue > (status[3] & 0xFFFF) -
+ AAC_NUM_MGT_FIB)
+ host->can_queue = (status[3] & 0xFFFF) -
+ AAC_NUM_MGT_FIB;
+
dev->max_num_aif = status[4] & 0xFFFF;
- /*
- * NOTE:
- * All these overrides are based on a fixed internal
- * knowledge and understanding of existing adapters,
- * acbsize should be set with caution.
- */
- if (acbsize == 512) {
- host->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
- dev->max_fib_size = 512;
- dev->sg_tablesize = host->sg_tablesize
- = (512 - sizeof(struct aac_fibhdr)
- - sizeof(struct aac_write) + sizeof(struct sgentry))
- / sizeof(struct sgentry);
- host->can_queue = AAC_NUM_IO_FIB;
- } else if (acbsize == 2048) {
- host->max_sectors = 512;
- dev->max_fib_size = 2048;
- host->sg_tablesize = 65;
- dev->sg_tablesize = 81;
- host->can_queue = 512 - AAC_NUM_MGT_FIB;
- } else if (acbsize == 4096) {
- host->max_sectors = 1024;
- dev->max_fib_size = 4096;
- host->sg_tablesize = 129;
- dev->sg_tablesize = 166;
- host->can_queue = 256 - AAC_NUM_MGT_FIB;
- } else if (acbsize == 8192) {
- host->max_sectors = 2048;
- dev->max_fib_size = 8192;
- host->sg_tablesize = 257;
- dev->sg_tablesize = 337;
- host->can_queue = 128 - AAC_NUM_MGT_FIB;
- } else if (acbsize > 0) {
- printk("Illegal acbsize=%d ignored\n", acbsize);
- }
}
- {
-
- if (numacb > 0) {
- if (numacb < host->can_queue)
- host->can_queue = numacb;
- else
- printk("numacb=%d ignored\n", numacb);
- }
+ if (numacb > 0) {
+ if (numacb < host->can_queue)
+ host->can_queue = numacb;
+ else
+ pr_warn("numacb=%d ignored\n", numacb);
}
- if (host->can_queue > AAC_NUM_IO_FIB)
- host->can_queue = AAC_NUM_IO_FIB;
-
if (dev->pdev->device == PMC_DEVICE_S6 ||
dev->pdev->device == PMC_DEVICE_S7 ||
dev->pdev->device == PMC_DEVICE_S8 ||