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-rw-r--r--drivers/firewire/core-cdev.c368
-rw-r--r--drivers/firewire/core-device.c198
-rw-r--r--drivers/firewire/core-transaction.c17
-rw-r--r--drivers/firewire/core.h2
-rw-r--r--drivers/firewire/ohci.c364
-rw-r--r--drivers/firewire/sbp2.c5
-rw-r--r--drivers/media/dvb/firewire/firedtv-fw.c39
-rw-r--r--include/linux/firewire-cdev.h40
-rw-r--r--include/linux/firewire.h11
-rw-r--r--include/linux/pci_ids.h1
10 files changed, 493 insertions, 552 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 4eeaed57e219..8be720b278b7 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -25,6 +25,7 @@
25#include <linux/firewire.h> 25#include <linux/firewire.h>
26#include <linux/firewire-cdev.h> 26#include <linux/firewire-cdev.h>
27#include <linux/idr.h> 27#include <linux/idr.h>
28#include <linux/irqflags.h>
28#include <linux/jiffies.h> 29#include <linux/jiffies.h>
29#include <linux/kernel.h> 30#include <linux/kernel.h>
30#include <linux/kref.h> 31#include <linux/kref.h>
@@ -32,7 +33,6 @@
32#include <linux/module.h> 33#include <linux/module.h>
33#include <linux/mutex.h> 34#include <linux/mutex.h>
34#include <linux/poll.h> 35#include <linux/poll.h>
35#include <linux/preempt.h>
36#include <linux/sched.h> 36#include <linux/sched.h>
37#include <linux/spinlock.h> 37#include <linux/spinlock.h>
38#include <linux/string.h> 38#include <linux/string.h>
@@ -368,39 +368,56 @@ void fw_device_cdev_remove(struct fw_device *device)
368 for_each_client(device, wake_up_client); 368 for_each_client(device, wake_up_client);
369} 369}
370 370
371static int ioctl_get_info(struct client *client, void *buffer) 371union ioctl_arg {
372 struct fw_cdev_get_info get_info;
373 struct fw_cdev_send_request send_request;
374 struct fw_cdev_allocate allocate;
375 struct fw_cdev_deallocate deallocate;
376 struct fw_cdev_send_response send_response;
377 struct fw_cdev_initiate_bus_reset initiate_bus_reset;
378 struct fw_cdev_add_descriptor add_descriptor;
379 struct fw_cdev_remove_descriptor remove_descriptor;
380 struct fw_cdev_create_iso_context create_iso_context;
381 struct fw_cdev_queue_iso queue_iso;
382 struct fw_cdev_start_iso start_iso;
383 struct fw_cdev_stop_iso stop_iso;
384 struct fw_cdev_get_cycle_timer get_cycle_timer;
385 struct fw_cdev_allocate_iso_resource allocate_iso_resource;
386 struct fw_cdev_send_stream_packet send_stream_packet;
387 struct fw_cdev_get_cycle_timer2 get_cycle_timer2;
388};
389
390static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
372{ 391{
373 struct fw_cdev_get_info *get_info = buffer; 392 struct fw_cdev_get_info *a = &arg->get_info;
374 struct fw_cdev_event_bus_reset bus_reset; 393 struct fw_cdev_event_bus_reset bus_reset;
375 unsigned long ret = 0; 394 unsigned long ret = 0;
376 395
377 client->version = get_info->version; 396 client->version = a->version;
378 get_info->version = FW_CDEV_VERSION; 397 a->version = FW_CDEV_VERSION;
379 get_info->card = client->device->card->index; 398 a->card = client->device->card->index;
380 399
381 down_read(&fw_device_rwsem); 400 down_read(&fw_device_rwsem);
382 401
383 if (get_info->rom != 0) { 402 if (a->rom != 0) {
384 void __user *uptr = u64_to_uptr(get_info->rom); 403 size_t want = a->rom_length;
385 size_t want = get_info->rom_length;
386 size_t have = client->device->config_rom_length * 4; 404 size_t have = client->device->config_rom_length * 4;
387 405
388 ret = copy_to_user(uptr, client->device->config_rom, 406 ret = copy_to_user(u64_to_uptr(a->rom),
389 min(want, have)); 407 client->device->config_rom, min(want, have));
390 } 408 }
391 get_info->rom_length = client->device->config_rom_length * 4; 409 a->rom_length = client->device->config_rom_length * 4;
392 410
393 up_read(&fw_device_rwsem); 411 up_read(&fw_device_rwsem);
394 412
395 if (ret != 0) 413 if (ret != 0)
396 return -EFAULT; 414 return -EFAULT;
397 415
398 client->bus_reset_closure = get_info->bus_reset_closure; 416 client->bus_reset_closure = a->bus_reset_closure;
399 if (get_info->bus_reset != 0) { 417 if (a->bus_reset != 0) {
400 void __user *uptr = u64_to_uptr(get_info->bus_reset);
401
402 fill_bus_reset_event(&bus_reset, client); 418 fill_bus_reset_event(&bus_reset, client);
403 if (copy_to_user(uptr, &bus_reset, sizeof(bus_reset))) 419 if (copy_to_user(u64_to_uptr(a->bus_reset),
420 &bus_reset, sizeof(bus_reset)))
404 return -EFAULT; 421 return -EFAULT;
405 } 422 }
406 423
@@ -571,11 +588,9 @@ static int init_request(struct client *client,
571 return ret; 588 return ret;
572} 589}
573 590
574static int ioctl_send_request(struct client *client, void *buffer) 591static int ioctl_send_request(struct client *client, union ioctl_arg *arg)
575{ 592{
576 struct fw_cdev_send_request *request = buffer; 593 switch (arg->send_request.tcode) {
577
578 switch (request->tcode) {
579 case TCODE_WRITE_QUADLET_REQUEST: 594 case TCODE_WRITE_QUADLET_REQUEST:
580 case TCODE_WRITE_BLOCK_REQUEST: 595 case TCODE_WRITE_BLOCK_REQUEST:
581 case TCODE_READ_QUADLET_REQUEST: 596 case TCODE_READ_QUADLET_REQUEST:
@@ -592,7 +607,7 @@ static int ioctl_send_request(struct client *client, void *buffer)
592 return -EINVAL; 607 return -EINVAL;
593 } 608 }
594 609
595 return init_request(client, request, client->device->node_id, 610 return init_request(client, &arg->send_request, client->device->node_id,
596 client->device->max_speed); 611 client->device->max_speed);
597} 612}
598 613
@@ -683,9 +698,9 @@ static void release_address_handler(struct client *client,
683 kfree(r); 698 kfree(r);
684} 699}
685 700
686static int ioctl_allocate(struct client *client, void *buffer) 701static int ioctl_allocate(struct client *client, union ioctl_arg *arg)
687{ 702{
688 struct fw_cdev_allocate *request = buffer; 703 struct fw_cdev_allocate *a = &arg->allocate;
689 struct address_handler_resource *r; 704 struct address_handler_resource *r;
690 struct fw_address_region region; 705 struct fw_address_region region;
691 int ret; 706 int ret;
@@ -694,13 +709,13 @@ static int ioctl_allocate(struct client *client, void *buffer)
694 if (r == NULL) 709 if (r == NULL)
695 return -ENOMEM; 710 return -ENOMEM;
696 711
697 region.start = request->offset; 712 region.start = a->offset;
698 region.end = request->offset + request->length; 713 region.end = a->offset + a->length;
699 r->handler.length = request->length; 714 r->handler.length = a->length;
700 r->handler.address_callback = handle_request; 715 r->handler.address_callback = handle_request;
701 r->handler.callback_data = r; 716 r->handler.callback_data = r;
702 r->closure = request->closure; 717 r->closure = a->closure;
703 r->client = client; 718 r->client = client;
704 719
705 ret = fw_core_add_address_handler(&r->handler, &region); 720 ret = fw_core_add_address_handler(&r->handler, &region);
706 if (ret < 0) { 721 if (ret < 0) {
@@ -714,27 +729,25 @@ static int ioctl_allocate(struct client *client, void *buffer)
714 release_address_handler(client, &r->resource); 729 release_address_handler(client, &r->resource);
715 return ret; 730 return ret;
716 } 731 }
717 request->handle = r->resource.handle; 732 a->handle = r->resource.handle;
718 733
719 return 0; 734 return 0;
720} 735}
721 736
722static int ioctl_deallocate(struct client *client, void *buffer) 737static int ioctl_deallocate(struct client *client, union ioctl_arg *arg)
723{ 738{
724 struct fw_cdev_deallocate *request = buffer; 739 return release_client_resource(client, arg->deallocate.handle,
725
726 return release_client_resource(client, request->handle,
727 release_address_handler, NULL); 740 release_address_handler, NULL);
728} 741}
729 742
730static int ioctl_send_response(struct client *client, void *buffer) 743static int ioctl_send_response(struct client *client, union ioctl_arg *arg)
731{ 744{
732 struct fw_cdev_send_response *request = buffer; 745 struct fw_cdev_send_response *a = &arg->send_response;
733 struct client_resource *resource; 746 struct client_resource *resource;
734 struct inbound_transaction_resource *r; 747 struct inbound_transaction_resource *r;
735 int ret = 0; 748 int ret = 0;
736 749
737 if (release_client_resource(client, request->handle, 750 if (release_client_resource(client, a->handle,
738 release_request, &resource) < 0) 751 release_request, &resource) < 0)
739 return -EINVAL; 752 return -EINVAL;
740 753
@@ -743,28 +756,24 @@ static int ioctl_send_response(struct client *client, void *buffer)
743 if (is_fcp_request(r->request)) 756 if (is_fcp_request(r->request))
744 goto out; 757 goto out;
745 758
746 if (request->length < r->length) 759 if (a->length < r->length)
747 r->length = request->length; 760 r->length = a->length;
748 if (copy_from_user(r->data, u64_to_uptr(request->data), r->length)) { 761 if (copy_from_user(r->data, u64_to_uptr(a->data), r->length)) {
749 ret = -EFAULT; 762 ret = -EFAULT;
750 kfree(r->request); 763 kfree(r->request);
751 goto out; 764 goto out;
752 } 765 }
753 fw_send_response(client->device->card, r->request, request->rcode); 766 fw_send_response(client->device->card, r->request, a->rcode);
754 out: 767 out:
755 kfree(r); 768 kfree(r);
756 769
757 return ret; 770 return ret;
758} 771}
759 772
760static int ioctl_initiate_bus_reset(struct client *client, void *buffer) 773static int ioctl_initiate_bus_reset(struct client *client, union ioctl_arg *arg)
761{ 774{
762 struct fw_cdev_initiate_bus_reset *request = buffer; 775 return fw_core_initiate_bus_reset(client->device->card,
763 int short_reset; 776 arg->initiate_bus_reset.type == FW_CDEV_SHORT_RESET);
764
765 short_reset = (request->type == FW_CDEV_SHORT_RESET);
766
767 return fw_core_initiate_bus_reset(client->device->card, short_reset);
768} 777}
769 778
770static void release_descriptor(struct client *client, 779static void release_descriptor(struct client *client,
@@ -777,9 +786,9 @@ static void release_descriptor(struct client *client,
777 kfree(r); 786 kfree(r);
778} 787}
779 788
780static int ioctl_add_descriptor(struct client *client, void *buffer) 789static int ioctl_add_descriptor(struct client *client, union ioctl_arg *arg)
781{ 790{
782 struct fw_cdev_add_descriptor *request = buffer; 791 struct fw_cdev_add_descriptor *a = &arg->add_descriptor;
783 struct descriptor_resource *r; 792 struct descriptor_resource *r;
784 int ret; 793 int ret;
785 794
@@ -787,22 +796,21 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
787 if (!client->device->is_local) 796 if (!client->device->is_local)
788 return -ENOSYS; 797 return -ENOSYS;
789 798
790 if (request->length > 256) 799 if (a->length > 256)
791 return -EINVAL; 800 return -EINVAL;
792 801
793 r = kmalloc(sizeof(*r) + request->length * 4, GFP_KERNEL); 802 r = kmalloc(sizeof(*r) + a->length * 4, GFP_KERNEL);
794 if (r == NULL) 803 if (r == NULL)
795 return -ENOMEM; 804 return -ENOMEM;
796 805
797 if (copy_from_user(r->data, 806 if (copy_from_user(r->data, u64_to_uptr(a->data), a->length * 4)) {
798 u64_to_uptr(request->data), request->length * 4)) {
799 ret = -EFAULT; 807 ret = -EFAULT;
800 goto failed; 808 goto failed;
801 } 809 }
802 810
803 r->descriptor.length = request->length; 811 r->descriptor.length = a->length;
804 r->descriptor.immediate = request->immediate; 812 r->descriptor.immediate = a->immediate;
805 r->descriptor.key = request->key; 813 r->descriptor.key = a->key;
806 r->descriptor.data = r->data; 814 r->descriptor.data = r->data;
807 815
808 ret = fw_core_add_descriptor(&r->descriptor); 816 ret = fw_core_add_descriptor(&r->descriptor);
@@ -815,7 +823,7 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
815 fw_core_remove_descriptor(&r->descriptor); 823 fw_core_remove_descriptor(&r->descriptor);
816 goto failed; 824 goto failed;
817 } 825 }
818 request->handle = r->resource.handle; 826 a->handle = r->resource.handle;
819 827
820 return 0; 828 return 0;
821 failed: 829 failed:
@@ -824,11 +832,9 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
824 return ret; 832 return ret;
825} 833}
826 834
827static int ioctl_remove_descriptor(struct client *client, void *buffer) 835static int ioctl_remove_descriptor(struct client *client, union ioctl_arg *arg)
828{ 836{
829 struct fw_cdev_remove_descriptor *request = buffer; 837 return release_client_resource(client, arg->remove_descriptor.handle,
830
831 return release_client_resource(client, request->handle,
832 release_descriptor, NULL); 838 release_descriptor, NULL);
833} 839}
834 840
@@ -851,49 +857,44 @@ static void iso_callback(struct fw_iso_context *context, u32 cycle,
851 sizeof(e->interrupt) + header_length, NULL, 0); 857 sizeof(e->interrupt) + header_length, NULL, 0);
852} 858}
853 859
854static int ioctl_create_iso_context(struct client *client, void *buffer) 860static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg)
855{ 861{
856 struct fw_cdev_create_iso_context *request = buffer; 862 struct fw_cdev_create_iso_context *a = &arg->create_iso_context;
857 struct fw_iso_context *context; 863 struct fw_iso_context *context;
858 864
859 /* We only support one context at this time. */ 865 /* We only support one context at this time. */
860 if (client->iso_context != NULL) 866 if (client->iso_context != NULL)
861 return -EBUSY; 867 return -EBUSY;
862 868
863 if (request->channel > 63) 869 if (a->channel > 63)
864 return -EINVAL; 870 return -EINVAL;
865 871
866 switch (request->type) { 872 switch (a->type) {
867 case FW_ISO_CONTEXT_RECEIVE: 873 case FW_ISO_CONTEXT_RECEIVE:
868 if (request->header_size < 4 || (request->header_size & 3)) 874 if (a->header_size < 4 || (a->header_size & 3))
869 return -EINVAL; 875 return -EINVAL;
870
871 break; 876 break;
872 877
873 case FW_ISO_CONTEXT_TRANSMIT: 878 case FW_ISO_CONTEXT_TRANSMIT:
874 if (request->speed > SCODE_3200) 879 if (a->speed > SCODE_3200)
875 return -EINVAL; 880 return -EINVAL;
876
877 break; 881 break;
878 882
879 default: 883 default:
880 return -EINVAL; 884 return -EINVAL;
881 } 885 }
882 886
883 context = fw_iso_context_create(client->device->card, 887 context = fw_iso_context_create(client->device->card, a->type,
884 request->type, 888 a->channel, a->speed, a->header_size,
885 request->channel, 889 iso_callback, client);
886 request->speed,
887 request->header_size,
888 iso_callback, client);
889 if (IS_ERR(context)) 890 if (IS_ERR(context))
890 return PTR_ERR(context); 891 return PTR_ERR(context);
891 892
892 client->iso_closure = request->closure; 893 client->iso_closure = a->closure;
893 client->iso_context = context; 894 client->iso_context = context;
894 895
895 /* We only support one context at this time. */ 896 /* We only support one context at this time. */
896 request->handle = 0; 897 a->handle = 0;
897 898
898 return 0; 899 return 0;
899} 900}
@@ -906,9 +907,9 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
906#define GET_SY(v) (((v) >> 20) & 0x0f) 907#define GET_SY(v) (((v) >> 20) & 0x0f)
907#define GET_HEADER_LENGTH(v) (((v) >> 24) & 0xff) 908#define GET_HEADER_LENGTH(v) (((v) >> 24) & 0xff)
908 909
909static int ioctl_queue_iso(struct client *client, void *buffer) 910static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
910{ 911{
911 struct fw_cdev_queue_iso *request = buffer; 912 struct fw_cdev_queue_iso *a = &arg->queue_iso;
912 struct fw_cdev_iso_packet __user *p, *end, *next; 913 struct fw_cdev_iso_packet __user *p, *end, *next;
913 struct fw_iso_context *ctx = client->iso_context; 914 struct fw_iso_context *ctx = client->iso_context;
914 unsigned long payload, buffer_end, header_length; 915 unsigned long payload, buffer_end, header_length;
@@ -919,7 +920,7 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
919 u8 header[256]; 920 u8 header[256];
920 } u; 921 } u;
921 922
922 if (ctx == NULL || request->handle != 0) 923 if (ctx == NULL || a->handle != 0)
923 return -EINVAL; 924 return -EINVAL;
924 925
925 /* 926 /*
@@ -929,23 +930,23 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
929 * set them both to 0, which will still let packets with 930 * set them both to 0, which will still let packets with
930 * payload_length == 0 through. In other words, if no packets 931 * payload_length == 0 through. In other words, if no packets
931 * use the indirect payload, the iso buffer need not be mapped 932 * use the indirect payload, the iso buffer need not be mapped
932 * and the request->data pointer is ignored. 933 * and the a->data pointer is ignored.
933 */ 934 */
934 935
935 payload = (unsigned long)request->data - client->vm_start; 936 payload = (unsigned long)a->data - client->vm_start;
936 buffer_end = client->buffer.page_count << PAGE_SHIFT; 937 buffer_end = client->buffer.page_count << PAGE_SHIFT;
937 if (request->data == 0 || client->buffer.pages == NULL || 938 if (a->data == 0 || client->buffer.pages == NULL ||
938 payload >= buffer_end) { 939 payload >= buffer_end) {
939 payload = 0; 940 payload = 0;
940 buffer_end = 0; 941 buffer_end = 0;
941 } 942 }
942 943
943 p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(request->packets); 944 p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);
944 945
945 if (!access_ok(VERIFY_READ, p, request->size)) 946 if (!access_ok(VERIFY_READ, p, a->size))
946 return -EFAULT; 947 return -EFAULT;
947 948
948 end = (void __user *)p + request->size; 949 end = (void __user *)p + a->size;
949 count = 0; 950 count = 0;
950 while (p < end) { 951 while (p < end) {
951 if (get_user(control, &p->control)) 952 if (get_user(control, &p->control))
@@ -995,61 +996,78 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
995 count++; 996 count++;
996 } 997 }
997 998
998 request->size -= uptr_to_u64(p) - request->packets; 999 a->size -= uptr_to_u64(p) - a->packets;
999 request->packets = uptr_to_u64(p); 1000 a->packets = uptr_to_u64(p);
1000 request->data = client->vm_start + payload; 1001 a->data = client->vm_start + payload;
1001 1002
1002 return count; 1003 return count;
1003} 1004}
1004 1005
1005static int ioctl_start_iso(struct client *client, void *buffer) 1006static int ioctl_start_iso(struct client *client, union ioctl_arg *arg)
1006{ 1007{
1007 struct fw_cdev_start_iso *request = buffer; 1008 struct fw_cdev_start_iso *a = &arg->start_iso;
1008 1009
1009 if (client->iso_context == NULL || request->handle != 0) 1010 if (client->iso_context == NULL || a->handle != 0)
1010 return -EINVAL; 1011 return -EINVAL;
1011 1012
1012 if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE) { 1013 if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE &&
1013 if (request->tags == 0 || request->tags > 15) 1014 (a->tags == 0 || a->tags > 15 || a->sync > 15))
1014 return -EINVAL; 1015 return -EINVAL;
1015
1016 if (request->sync > 15)
1017 return -EINVAL;
1018 }
1019 1016
1020 return fw_iso_context_start(client->iso_context, request->cycle, 1017 return fw_iso_context_start(client->iso_context,
1021 request->sync, request->tags); 1018 a->cycle, a->sync, a->tags);
1022} 1019}
1023 1020
1024static int ioctl_stop_iso(struct client *client, void *buffer) 1021static int ioctl_stop_iso(struct client *client, union ioctl_arg *arg)
1025{ 1022{
1026 struct fw_cdev_stop_iso *request = buffer; 1023 struct fw_cdev_stop_iso *a = &arg->stop_iso;
1027 1024
1028 if (client->iso_context == NULL || request->handle != 0) 1025 if (client->iso_context == NULL || a->handle != 0)
1029 return -EINVAL; 1026 return -EINVAL;
1030 1027
1031 return fw_iso_context_stop(client->iso_context); 1028 return fw_iso_context_stop(client->iso_context);
1032} 1029}
1033 1030
1034static int ioctl_get_cycle_timer(struct client *client, void *buffer) 1031static int ioctl_get_cycle_timer2(struct client *client, union ioctl_arg *arg)
1035{ 1032{
1036 struct fw_cdev_get_cycle_timer *request = buffer; 1033 struct fw_cdev_get_cycle_timer2 *a = &arg->get_cycle_timer2;
1037 struct fw_card *card = client->device->card; 1034 struct fw_card *card = client->device->card;
1038 unsigned long long bus_time; 1035 struct timespec ts = {0, 0};
1039 struct timeval tv; 1036 u32 cycle_time;
1040 unsigned long flags; 1037 int ret = 0;
1038
1039 local_irq_disable();
1040
1041 cycle_time = card->driver->get_cycle_time(card);
1041 1042
1042 preempt_disable(); 1043 switch (a->clk_id) {
1043 local_irq_save(flags); 1044 case CLOCK_REALTIME: getnstimeofday(&ts); break;
1045 case CLOCK_MONOTONIC: do_posix_clock_monotonic_gettime(&ts); break;
1046 case CLOCK_MONOTONIC_RAW: getrawmonotonic(&ts); break;
1047 default:
1048 ret = -EINVAL;
1049 }
1044 1050
1045 bus_time = card->driver->get_bus_time(card); 1051 local_irq_enable();
1046 do_gettimeofday(&tv);
1047 1052
1048 local_irq_restore(flags); 1053 a->tv_sec = ts.tv_sec;
1049 preempt_enable(); 1054 a->tv_nsec = ts.tv_nsec;
1055 a->cycle_timer = cycle_time;
1056
1057 return ret;
1058}
1059
1060static int ioctl_get_cycle_timer(struct client *client, union ioctl_arg *arg)
1061{
1062 struct fw_cdev_get_cycle_timer *a = &arg->get_cycle_timer;
1063 struct fw_cdev_get_cycle_timer2 ct2;
1064
1065 ct2.clk_id = CLOCK_REALTIME;
1066 ioctl_get_cycle_timer2(client, (union ioctl_arg *)&ct2);
1067
1068 a->local_time = ct2.tv_sec * USEC_PER_SEC + ct2.tv_nsec / NSEC_PER_USEC;
1069 a->cycle_timer = ct2.cycle_timer;
1050 1070
1051 request->local_time = tv.tv_sec * 1000000ULL + tv.tv_usec;
1052 request->cycle_timer = bus_time & 0xffffffff;
1053 return 0; 1071 return 0;
1054} 1072}
1055 1073
@@ -1220,33 +1238,32 @@ static int init_iso_resource(struct client *client,
1220 return ret; 1238 return ret;
1221} 1239}
1222 1240
1223static int ioctl_allocate_iso_resource(struct client *client, void *buffer) 1241static int ioctl_allocate_iso_resource(struct client *client,
1242 union ioctl_arg *arg)
1224{ 1243{
1225 struct fw_cdev_allocate_iso_resource *request = buffer; 1244 return init_iso_resource(client,
1226 1245 &arg->allocate_iso_resource, ISO_RES_ALLOC);
1227 return init_iso_resource(client, request, ISO_RES_ALLOC);
1228} 1246}
1229 1247
1230static int ioctl_deallocate_iso_resource(struct client *client, void *buffer) 1248static int ioctl_deallocate_iso_resource(struct client *client,
1249 union ioctl_arg *arg)
1231{ 1250{
1232 struct fw_cdev_deallocate *request = buffer; 1251 return release_client_resource(client,
1233 1252 arg->deallocate.handle, release_iso_resource, NULL);
1234 return release_client_resource(client, request->handle,
1235 release_iso_resource, NULL);
1236} 1253}
1237 1254
1238static int ioctl_allocate_iso_resource_once(struct client *client, void *buffer) 1255static int ioctl_allocate_iso_resource_once(struct client *client,
1256 union ioctl_arg *arg)
1239{ 1257{
1240 struct fw_cdev_allocate_iso_resource *request = buffer; 1258 return init_iso_resource(client,
1241 1259 &arg->allocate_iso_resource, ISO_RES_ALLOC_ONCE);
1242 return init_iso_resource(client, request, ISO_RES_ALLOC_ONCE);
1243} 1260}
1244 1261
1245static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffer) 1262static int ioctl_deallocate_iso_resource_once(struct client *client,
1263 union ioctl_arg *arg)
1246{ 1264{
1247 struct fw_cdev_allocate_iso_resource *request = buffer; 1265 return init_iso_resource(client,
1248 1266 &arg->allocate_iso_resource, ISO_RES_DEALLOC_ONCE);
1249 return init_iso_resource(client, request, ISO_RES_DEALLOC_ONCE);
1250} 1267}
1251 1268
1252/* 1269/*
@@ -1254,16 +1271,17 @@ static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffe
1254 * limited by the device's link speed, the local node's link speed, 1271 * limited by the device's link speed, the local node's link speed,
1255 * and all PHY port speeds between the two links. 1272 * and all PHY port speeds between the two links.
1256 */ 1273 */
1257static int ioctl_get_speed(struct client *client, void *buffer) 1274static int ioctl_get_speed(struct client *client, union ioctl_arg *arg)
1258{ 1275{
1259 return client->device->max_speed; 1276 return client->device->max_speed;
1260} 1277}
1261 1278
1262static int ioctl_send_broadcast_request(struct client *client, void *buffer) 1279static int ioctl_send_broadcast_request(struct client *client,
1280 union ioctl_arg *arg)
1263{ 1281{
1264 struct fw_cdev_send_request *request = buffer; 1282 struct fw_cdev_send_request *a = &arg->send_request;
1265 1283
1266 switch (request->tcode) { 1284 switch (a->tcode) {
1267 case TCODE_WRITE_QUADLET_REQUEST: 1285 case TCODE_WRITE_QUADLET_REQUEST:
1268 case TCODE_WRITE_BLOCK_REQUEST: 1286 case TCODE_WRITE_BLOCK_REQUEST:
1269 break; 1287 break;
@@ -1272,36 +1290,36 @@ static int ioctl_send_broadcast_request(struct client *client, void *buffer)
1272 } 1290 }
1273 1291
1274 /* Security policy: Only allow accesses to Units Space. */ 1292 /* Security policy: Only allow accesses to Units Space. */
1275 if (request->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END) 1293 if (a->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END)
1276 return -EACCES; 1294 return -EACCES;
1277 1295
1278 return init_request(client, request, LOCAL_BUS | 0x3f, SCODE_100); 1296 return init_request(client, a, LOCAL_BUS | 0x3f, SCODE_100);
1279} 1297}
1280 1298
1281static int ioctl_send_stream_packet(struct client *client, void *buffer) 1299static int ioctl_send_stream_packet(struct client *client, union ioctl_arg *arg)
1282{ 1300{
1283 struct fw_cdev_send_stream_packet *p = buffer; 1301 struct fw_cdev_send_stream_packet *a = &arg->send_stream_packet;
1284 struct fw_cdev_send_request request; 1302 struct fw_cdev_send_request request;
1285 int dest; 1303 int dest;
1286 1304
1287 if (p->speed > client->device->card->link_speed || 1305 if (a->speed > client->device->card->link_speed ||
1288 p->length > 1024 << p->speed) 1306 a->length > 1024 << a->speed)
1289 return -EIO; 1307 return -EIO;
1290 1308
1291 if (p->tag > 3 || p->channel > 63 || p->sy > 15) 1309 if (a->tag > 3 || a->channel > 63 || a->sy > 15)
1292 return -EINVAL; 1310 return -EINVAL;
1293 1311
1294 dest = fw_stream_packet_destination_id(p->tag, p->channel, p->sy); 1312 dest = fw_stream_packet_destination_id(a->tag, a->channel, a->sy);
1295 request.tcode = TCODE_STREAM_DATA; 1313 request.tcode = TCODE_STREAM_DATA;
1296 request.length = p->length; 1314 request.length = a->length;
1297 request.closure = p->closure; 1315 request.closure = a->closure;
1298 request.data = p->data; 1316 request.data = a->data;
1299 request.generation = p->generation; 1317 request.generation = a->generation;
1300 1318
1301 return init_request(client, &request, dest, p->speed); 1319 return init_request(client, &request, dest, a->speed);
1302} 1320}
1303 1321
1304static int (* const ioctl_handlers[])(struct client *client, void *buffer) = { 1322static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = {
1305 ioctl_get_info, 1323 ioctl_get_info,
1306 ioctl_send_request, 1324 ioctl_send_request,
1307 ioctl_allocate, 1325 ioctl_allocate,
@@ -1322,47 +1340,35 @@ static int (* const ioctl_handlers[])(struct client *client, void *buffer) = {
1322 ioctl_get_speed, 1340 ioctl_get_speed,
1323 ioctl_send_broadcast_request, 1341 ioctl_send_broadcast_request,
1324 ioctl_send_stream_packet, 1342 ioctl_send_stream_packet,
1343 ioctl_get_cycle_timer2,
1325}; 1344};
1326 1345
1327static int dispatch_ioctl(struct client *client, 1346static int dispatch_ioctl(struct client *client,
1328 unsigned int cmd, void __user *arg) 1347 unsigned int cmd, void __user *arg)
1329{ 1348{
1330 char buffer[sizeof(union { 1349 union ioctl_arg buffer;
1331 struct fw_cdev_get_info _00;
1332 struct fw_cdev_send_request _01;
1333 struct fw_cdev_allocate _02;
1334 struct fw_cdev_deallocate _03;
1335 struct fw_cdev_send_response _04;
1336 struct fw_cdev_initiate_bus_reset _05;
1337 struct fw_cdev_add_descriptor _06;
1338 struct fw_cdev_remove_descriptor _07;
1339 struct fw_cdev_create_iso_context _08;
1340 struct fw_cdev_queue_iso _09;
1341 struct fw_cdev_start_iso _0a;
1342 struct fw_cdev_stop_iso _0b;
1343 struct fw_cdev_get_cycle_timer _0c;
1344 struct fw_cdev_allocate_iso_resource _0d;
1345 struct fw_cdev_send_stream_packet _13;
1346 })];
1347 int ret; 1350 int ret;
1348 1351
1352 if (fw_device_is_shutdown(client->device))
1353 return -ENODEV;
1354
1349 if (_IOC_TYPE(cmd) != '#' || 1355 if (_IOC_TYPE(cmd) != '#' ||
1350 _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers)) 1356 _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers))
1351 return -EINVAL; 1357 return -EINVAL;
1352 1358
1353 if (_IOC_DIR(cmd) & _IOC_WRITE) { 1359 if (_IOC_DIR(cmd) & _IOC_WRITE) {
1354 if (_IOC_SIZE(cmd) > sizeof(buffer) || 1360 if (_IOC_SIZE(cmd) > sizeof(buffer) ||
1355 copy_from_user(buffer, arg, _IOC_SIZE(cmd))) 1361 copy_from_user(&buffer, arg, _IOC_SIZE(cmd)))
1356 return -EFAULT; 1362 return -EFAULT;
1357 } 1363 }
1358 1364
1359 ret = ioctl_handlers[_IOC_NR(cmd)](client, buffer); 1365 ret = ioctl_handlers[_IOC_NR(cmd)](client, &buffer);
1360 if (ret < 0) 1366 if (ret < 0)
1361 return ret; 1367 return ret;
1362 1368
1363 if (_IOC_DIR(cmd) & _IOC_READ) { 1369 if (_IOC_DIR(cmd) & _IOC_READ) {
1364 if (_IOC_SIZE(cmd) > sizeof(buffer) || 1370 if (_IOC_SIZE(cmd) > sizeof(buffer) ||
1365 copy_to_user(arg, buffer, _IOC_SIZE(cmd))) 1371 copy_to_user(arg, &buffer, _IOC_SIZE(cmd)))
1366 return -EFAULT; 1372 return -EFAULT;
1367 } 1373 }
1368 1374
@@ -1372,24 +1378,14 @@ static int dispatch_ioctl(struct client *client,
1372static long fw_device_op_ioctl(struct file *file, 1378static long fw_device_op_ioctl(struct file *file,
1373 unsigned int cmd, unsigned long arg) 1379 unsigned int cmd, unsigned long arg)
1374{ 1380{
1375 struct client *client = file->private_data; 1381 return dispatch_ioctl(file->private_data, cmd, (void __user *)arg);
1376
1377 if (fw_device_is_shutdown(client->device))
1378 return -ENODEV;
1379
1380 return dispatch_ioctl(client, cmd, (void __user *) arg);
1381} 1382}
1382 1383
1383#ifdef CONFIG_COMPAT 1384#ifdef CONFIG_COMPAT
1384static long fw_device_op_compat_ioctl(struct file *file, 1385static long fw_device_op_compat_ioctl(struct file *file,
1385 unsigned int cmd, unsigned long arg) 1386 unsigned int cmd, unsigned long arg)
1386{ 1387{
1387 struct client *client = file->private_data; 1388 return dispatch_ioctl(file->private_data, cmd, compat_ptr(arg));
1388
1389 if (fw_device_is_shutdown(client->device))
1390 return -ENODEV;
1391
1392 return dispatch_ioctl(client, cmd, compat_ptr(arg));
1393} 1389}
1394#endif 1390#endif
1395 1391
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 9d0dfcbe2c1c..014cabd3afda 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -18,6 +18,7 @@
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */ 19 */
20 20
21#include <linux/bug.h>
21#include <linux/ctype.h> 22#include <linux/ctype.h>
22#include <linux/delay.h> 23#include <linux/delay.h>
23#include <linux/device.h> 24#include <linux/device.h>
@@ -43,7 +44,7 @@
43 44
44#include "core.h" 45#include "core.h"
45 46
46void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 * p) 47void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p)
47{ 48{
48 ci->p = p + 1; 49 ci->p = p + 1;
49 ci->end = ci->p + (p[0] >> 16); 50 ci->end = ci->p + (p[0] >> 16);
@@ -59,9 +60,76 @@ int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value)
59} 60}
60EXPORT_SYMBOL(fw_csr_iterator_next); 61EXPORT_SYMBOL(fw_csr_iterator_next);
61 62
63static const u32 *search_leaf(const u32 *directory, int search_key)
64{
65 struct fw_csr_iterator ci;
66 int last_key = 0, key, value;
67
68 fw_csr_iterator_init(&ci, directory);
69 while (fw_csr_iterator_next(&ci, &key, &value)) {
70 if (last_key == search_key &&
71 key == (CSR_DESCRIPTOR | CSR_LEAF))
72 return ci.p - 1 + value;
73
74 last_key = key;
75 }
76
77 return NULL;
78}
79
80static int textual_leaf_to_string(const u32 *block, char *buf, size_t size)
81{
82 unsigned int quadlets, i;
83 char c;
84
85 if (!size || !buf)
86 return -EINVAL;
87
88 quadlets = min(block[0] >> 16, 256U);
89 if (quadlets < 2)
90 return -ENODATA;
91
92 if (block[1] != 0 || block[2] != 0)
93 /* unknown language/character set */
94 return -ENODATA;
95
96 block += 3;
97 quadlets -= 2;
98 for (i = 0; i < quadlets * 4 && i < size - 1; i++) {
99 c = block[i / 4] >> (24 - 8 * (i % 4));
100 if (c == '\0')
101 break;
102 buf[i] = c;
103 }
104 buf[i] = '\0';
105
106 return i;
107}
108
109/**
110 * fw_csr_string - reads a string from the configuration ROM
111 * @directory: e.g. root directory or unit directory
112 * @key: the key of the preceding directory entry
113 * @buf: where to put the string
114 * @size: size of @buf, in bytes
115 *
116 * The string is taken from a minimal ASCII text descriptor leaf after
117 * the immediate entry with @key. The string is zero-terminated.
118 * Returns strlen(buf) or a negative error code.
119 */
120int fw_csr_string(const u32 *directory, int key, char *buf, size_t size)
121{
122 const u32 *leaf = search_leaf(directory, key);
123 if (!leaf)
124 return -ENOENT;
125
126 return textual_leaf_to_string(leaf, buf, size);
127}
128EXPORT_SYMBOL(fw_csr_string);
129
62static bool is_fw_unit(struct device *dev); 130static bool is_fw_unit(struct device *dev);
63 131
64static int match_unit_directory(u32 *directory, u32 match_flags, 132static int match_unit_directory(const u32 *directory, u32 match_flags,
65 const struct ieee1394_device_id *id) 133 const struct ieee1394_device_id *id)
66{ 134{
67 struct fw_csr_iterator ci; 135 struct fw_csr_iterator ci;
@@ -195,7 +263,7 @@ static ssize_t show_immediate(struct device *dev,
195 struct config_rom_attribute *attr = 263 struct config_rom_attribute *attr =
196 container_of(dattr, struct config_rom_attribute, attr); 264 container_of(dattr, struct config_rom_attribute, attr);
197 struct fw_csr_iterator ci; 265 struct fw_csr_iterator ci;
198 u32 *dir; 266 const u32 *dir;
199 int key, value, ret = -ENOENT; 267 int key, value, ret = -ENOENT;
200 268
201 down_read(&fw_device_rwsem); 269 down_read(&fw_device_rwsem);
@@ -226,10 +294,10 @@ static ssize_t show_text_leaf(struct device *dev,
226{ 294{
227 struct config_rom_attribute *attr = 295 struct config_rom_attribute *attr =
228 container_of(dattr, struct config_rom_attribute, attr); 296 container_of(dattr, struct config_rom_attribute, attr);
229 struct fw_csr_iterator ci; 297 const u32 *dir;
230 u32 *dir, *block = NULL, *p, *end; 298 size_t bufsize;
231 int length, key, value, last_key = 0, ret = -ENOENT; 299 char dummy_buf[2];
232 char *b; 300 int ret;
233 301
234 down_read(&fw_device_rwsem); 302 down_read(&fw_device_rwsem);
235 303
@@ -238,40 +306,23 @@ static ssize_t show_text_leaf(struct device *dev,
238 else 306 else
239 dir = fw_device(dev)->config_rom + 5; 307 dir = fw_device(dev)->config_rom + 5;
240 308
241 fw_csr_iterator_init(&ci, dir); 309 if (buf) {
242 while (fw_csr_iterator_next(&ci, &key, &value)) { 310 bufsize = PAGE_SIZE - 1;
243 if (attr->key == last_key && 311 } else {
244 key == (CSR_DESCRIPTOR | CSR_LEAF)) 312 buf = dummy_buf;
245 block = ci.p - 1 + value; 313 bufsize = 1;
246 last_key = key;
247 } 314 }
248 315
249 if (block == NULL) 316 ret = fw_csr_string(dir, attr->key, buf, bufsize);
250 goto out;
251
252 length = min(block[0] >> 16, 256U);
253 if (length < 3)
254 goto out;
255
256 if (block[1] != 0 || block[2] != 0)
257 /* Unknown encoding. */
258 goto out;
259 317
260 if (buf == NULL) { 318 if (ret >= 0) {
261 ret = length * 4; 319 /* Strip trailing whitespace and add newline. */
262 goto out; 320 while (ret > 0 && isspace(buf[ret - 1]))
321 ret--;
322 strcpy(buf + ret, "\n");
323 ret++;
263 } 324 }
264 325
265 b = buf;
266 end = &block[length + 1];
267 for (p = &block[3]; p < end; p++, b += 4)
268 * (u32 *) b = (__force u32) __cpu_to_be32(*p);
269
270 /* Strip trailing whitespace and add newline. */
271 while (b--, (isspace(*b) || *b == '\0') && b > buf);
272 strcpy(b + 1, "\n");
273 ret = b + 2 - buf;
274 out:
275 up_read(&fw_device_rwsem); 326 up_read(&fw_device_rwsem);
276 327
277 return ret; 328 return ret;
@@ -371,7 +422,7 @@ static ssize_t guid_show(struct device *dev,
371 return ret; 422 return ret;
372} 423}
373 424
374static int units_sprintf(char *buf, u32 *directory) 425static int units_sprintf(char *buf, const u32 *directory)
375{ 426{
376 struct fw_csr_iterator ci; 427 struct fw_csr_iterator ci;
377 int key, value; 428 int key, value;
@@ -441,28 +492,29 @@ static int read_rom(struct fw_device *device,
441 return rcode; 492 return rcode;
442} 493}
443 494
444#define READ_BIB_ROM_SIZE 256 495#define MAX_CONFIG_ROM_SIZE 256
445#define READ_BIB_STACK_SIZE 16
446 496
447/* 497/*
448 * Read the bus info block, perform a speed probe, and read all of the rest of 498 * Read the bus info block, perform a speed probe, and read all of the rest of
449 * the config ROM. We do all this with a cached bus generation. If the bus 499 * the config ROM. We do all this with a cached bus generation. If the bus
450 * generation changes under us, read_bus_info_block will fail and get retried. 500 * generation changes under us, read_config_rom will fail and get retried.
451 * It's better to start all over in this case because the node from which we 501 * It's better to start all over in this case because the node from which we
452 * are reading the ROM may have changed the ROM during the reset. 502 * are reading the ROM may have changed the ROM during the reset.
453 */ 503 */
454static int read_bus_info_block(struct fw_device *device, int generation) 504static int read_config_rom(struct fw_device *device, int generation)
455{ 505{
456 u32 *rom, *stack, *old_rom, *new_rom; 506 const u32 *old_rom, *new_rom;
507 u32 *rom, *stack;
457 u32 sp, key; 508 u32 sp, key;
458 int i, end, length, ret = -1; 509 int i, end, length, ret = -1;
459 510
460 rom = kmalloc(sizeof(*rom) * READ_BIB_ROM_SIZE + 511 rom = kmalloc(sizeof(*rom) * MAX_CONFIG_ROM_SIZE +
461 sizeof(*stack) * READ_BIB_STACK_SIZE, GFP_KERNEL); 512 sizeof(*stack) * MAX_CONFIG_ROM_SIZE, GFP_KERNEL);
462 if (rom == NULL) 513 if (rom == NULL)
463 return -ENOMEM; 514 return -ENOMEM;
464 515
465 stack = &rom[READ_BIB_ROM_SIZE]; 516 stack = &rom[MAX_CONFIG_ROM_SIZE];
517 memset(rom, 0, sizeof(*rom) * MAX_CONFIG_ROM_SIZE);
466 518
467 device->max_speed = SCODE_100; 519 device->max_speed = SCODE_100;
468 520
@@ -529,40 +581,54 @@ static int read_bus_info_block(struct fw_device *device, int generation)
529 */ 581 */
530 key = stack[--sp]; 582 key = stack[--sp];
531 i = key & 0xffffff; 583 i = key & 0xffffff;
532 if (i >= READ_BIB_ROM_SIZE) 584 if (WARN_ON(i >= MAX_CONFIG_ROM_SIZE))
533 /*
534 * The reference points outside the standard
535 * config rom area, something's fishy.
536 */
537 goto out; 585 goto out;
538 586
539 /* Read header quadlet for the block to get the length. */ 587 /* Read header quadlet for the block to get the length. */
540 if (read_rom(device, generation, i, &rom[i]) != RCODE_COMPLETE) 588 if (read_rom(device, generation, i, &rom[i]) != RCODE_COMPLETE)
541 goto out; 589 goto out;
542 end = i + (rom[i] >> 16) + 1; 590 end = i + (rom[i] >> 16) + 1;
543 i++; 591 if (end > MAX_CONFIG_ROM_SIZE) {
544 if (end > READ_BIB_ROM_SIZE)
545 /* 592 /*
546 * This block extends outside standard config 593 * This block extends outside the config ROM which is
547 * area (and the array we're reading it 594 * a firmware bug. Ignore this whole block, i.e.
548 * into). That's broken, so ignore this 595 * simply set a fake block length of 0.
549 * device.
550 */ 596 */
551 goto out; 597 fw_error("skipped invalid ROM block %x at %llx\n",
598 rom[i],
599 i * 4 | CSR_REGISTER_BASE | CSR_CONFIG_ROM);
600 rom[i] = 0;
601 end = i;
602 }
603 i++;
552 604
553 /* 605 /*
554 * Now read in the block. If this is a directory 606 * Now read in the block. If this is a directory
555 * block, check the entries as we read them to see if 607 * block, check the entries as we read them to see if
556 * it references another block, and push it in that case. 608 * it references another block, and push it in that case.
557 */ 609 */
558 while (i < end) { 610 for (; i < end; i++) {
559 if (read_rom(device, generation, i, &rom[i]) != 611 if (read_rom(device, generation, i, &rom[i]) !=
560 RCODE_COMPLETE) 612 RCODE_COMPLETE)
561 goto out; 613 goto out;
562 if ((key >> 30) == 3 && (rom[i] >> 30) > 1 && 614
563 sp < READ_BIB_STACK_SIZE) 615 if ((key >> 30) != 3 || (rom[i] >> 30) < 2)
564 stack[sp++] = i + rom[i]; 616 continue;
565 i++; 617 /*
618 * Offset points outside the ROM. May be a firmware
619 * bug or an Extended ROM entry (IEEE 1212-2001 clause
620 * 7.7.18). Simply overwrite this pointer here by a
621 * fake immediate entry so that later iterators over
622 * the ROM don't have to check offsets all the time.
623 */
624 if (i + (rom[i] & 0xffffff) >= MAX_CONFIG_ROM_SIZE) {
625 fw_error("skipped unsupported ROM entry %x at %llx\n",
626 rom[i],
627 i * 4 | CSR_REGISTER_BASE | CSR_CONFIG_ROM);
628 rom[i] = 0;
629 continue;
630 }
631 stack[sp++] = i + rom[i];
566 } 632 }
567 if (length < i) 633 if (length < i)
568 length = i; 634 length = i;
@@ -905,7 +971,7 @@ static void fw_device_init(struct work_struct *work)
905 * device. 971 * device.
906 */ 972 */
907 973
908 if (read_bus_info_block(device, device->generation) < 0) { 974 if (read_config_rom(device, device->generation) < 0) {
909 if (device->config_rom_retries < MAX_RETRIES && 975 if (device->config_rom_retries < MAX_RETRIES &&
910 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) { 976 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
911 device->config_rom_retries++; 977 device->config_rom_retries++;
@@ -1022,7 +1088,7 @@ enum {
1022}; 1088};
1023 1089
1024/* Reread and compare bus info block and header of root directory */ 1090/* Reread and compare bus info block and header of root directory */
1025static int reread_bus_info_block(struct fw_device *device, int generation) 1091static int reread_config_rom(struct fw_device *device, int generation)
1026{ 1092{
1027 u32 q; 1093 u32 q;
1028 int i; 1094 int i;
@@ -1048,7 +1114,7 @@ static void fw_device_refresh(struct work_struct *work)
1048 struct fw_card *card = device->card; 1114 struct fw_card *card = device->card;
1049 int node_id = device->node_id; 1115 int node_id = device->node_id;
1050 1116
1051 switch (reread_bus_info_block(device, device->generation)) { 1117 switch (reread_config_rom(device, device->generation)) {
1052 case REREAD_BIB_ERROR: 1118 case REREAD_BIB_ERROR:
1053 if (device->config_rom_retries < MAX_RETRIES / 2 && 1119 if (device->config_rom_retries < MAX_RETRIES / 2 &&
1054 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) { 1120 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
@@ -1082,7 +1148,7 @@ static void fw_device_refresh(struct work_struct *work)
1082 */ 1148 */
1083 device_for_each_child(&device->device, NULL, shutdown_unit); 1149 device_for_each_child(&device->device, NULL, shutdown_unit);
1084 1150
1085 if (read_bus_info_block(device, device->generation) < 0) { 1151 if (read_config_rom(device, device->generation) < 0) {
1086 if (device->config_rom_retries < MAX_RETRIES && 1152 if (device->config_rom_retries < MAX_RETRIES &&
1087 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) { 1153 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
1088 device->config_rom_retries++; 1154 device->config_rom_retries++;
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 495849eb13cc..673b03f8b4ec 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -921,23 +921,15 @@ static void handle_registers(struct fw_card *card, struct fw_request *request,
921 void *payload, size_t length, void *callback_data) 921 void *payload, size_t length, void *callback_data)
922{ 922{
923 int reg = offset & ~CSR_REGISTER_BASE; 923 int reg = offset & ~CSR_REGISTER_BASE;
924 unsigned long long bus_time;
925 __be32 *data = payload; 924 __be32 *data = payload;
926 int rcode = RCODE_COMPLETE; 925 int rcode = RCODE_COMPLETE;
927 926
928 switch (reg) { 927 switch (reg) {
929 case CSR_CYCLE_TIME: 928 case CSR_CYCLE_TIME:
930 case CSR_BUS_TIME: 929 if (TCODE_IS_READ_REQUEST(tcode) && length == 4)
931 if (!TCODE_IS_READ_REQUEST(tcode) || length != 4) { 930 *data = cpu_to_be32(card->driver->get_cycle_time(card));
932 rcode = RCODE_TYPE_ERROR;
933 break;
934 }
935
936 bus_time = card->driver->get_bus_time(card);
937 if (reg == CSR_CYCLE_TIME)
938 *data = cpu_to_be32(bus_time);
939 else 931 else
940 *data = cpu_to_be32(bus_time >> 25); 932 rcode = RCODE_TYPE_ERROR;
941 break; 933 break;
942 934
943 case CSR_BROADCAST_CHANNEL: 935 case CSR_BROADCAST_CHANNEL:
@@ -968,6 +960,9 @@ static void handle_registers(struct fw_card *card, struct fw_request *request,
968 case CSR_BUSY_TIMEOUT: 960 case CSR_BUSY_TIMEOUT:
969 /* FIXME: Implement this. */ 961 /* FIXME: Implement this. */
970 962
963 case CSR_BUS_TIME:
964 /* Useless without initialization by the bus manager. */
965
971 default: 966 default:
972 rcode = RCODE_ADDRESS_ERROR; 967 rcode = RCODE_ADDRESS_ERROR;
973 break; 968 break;
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index ed3b1a765c00..fb0321300cce 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -70,7 +70,7 @@ struct fw_card_driver {
70 int (*enable_phys_dma)(struct fw_card *card, 70 int (*enable_phys_dma)(struct fw_card *card,
71 int node_id, int generation); 71 int node_id, int generation);
72 72
73 u64 (*get_bus_time)(struct fw_card *card); 73 u32 (*get_cycle_time)(struct fw_card *card);
74 74
75 struct fw_iso_context * 75 struct fw_iso_context *
76 (*allocate_iso_context)(struct fw_card *card, 76 (*allocate_iso_context)(struct fw_card *card,
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 43ebf337b131..75dc6988cffd 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -38,7 +38,6 @@
38#include <linux/spinlock.h> 38#include <linux/spinlock.h>
39#include <linux/string.h> 39#include <linux/string.h>
40 40
41#include <asm/atomic.h>
42#include <asm/byteorder.h> 41#include <asm/byteorder.h>
43#include <asm/page.h> 42#include <asm/page.h>
44#include <asm/system.h> 43#include <asm/system.h>
@@ -73,20 +72,6 @@ struct descriptor {
73 __le16 transfer_status; 72 __le16 transfer_status;
74} __attribute__((aligned(16))); 73} __attribute__((aligned(16)));
75 74
76struct db_descriptor {
77 __le16 first_size;
78 __le16 control;
79 __le16 second_req_count;
80 __le16 first_req_count;
81 __le32 branch_address;
82 __le16 second_res_count;
83 __le16 first_res_count;
84 __le32 reserved0;
85 __le32 first_buffer;
86 __le32 second_buffer;
87 __le32 reserved1;
88} __attribute__((aligned(16)));
89
90#define CONTROL_SET(regs) (regs) 75#define CONTROL_SET(regs) (regs)
91#define CONTROL_CLEAR(regs) ((regs) + 4) 76#define CONTROL_CLEAR(regs) ((regs) + 4)
92#define COMMAND_PTR(regs) ((regs) + 12) 77#define COMMAND_PTR(regs) ((regs) + 12)
@@ -181,31 +166,16 @@ struct fw_ohci {
181 struct fw_card card; 166 struct fw_card card;
182 167
183 __iomem char *registers; 168 __iomem char *registers;
184 dma_addr_t self_id_bus;
185 __le32 *self_id_cpu;
186 struct tasklet_struct bus_reset_tasklet;
187 int node_id; 169 int node_id;
188 int generation; 170 int generation;
189 int request_generation; /* for timestamping incoming requests */ 171 int request_generation; /* for timestamping incoming requests */
190 atomic_t bus_seconds; 172 unsigned quirks;
191
192 bool use_dualbuffer;
193 bool old_uninorth;
194 bool bus_reset_packet_quirk;
195 173
196 /* 174 /*
197 * Spinlock for accessing fw_ohci data. Never call out of 175 * Spinlock for accessing fw_ohci data. Never call out of
198 * this driver with this lock held. 176 * this driver with this lock held.
199 */ 177 */
200 spinlock_t lock; 178 spinlock_t lock;
201 u32 self_id_buffer[512];
202
203 /* Config rom buffers */
204 __be32 *config_rom;
205 dma_addr_t config_rom_bus;
206 __be32 *next_config_rom;
207 dma_addr_t next_config_rom_bus;
208 __be32 next_header;
209 179
210 struct ar_context ar_request_ctx; 180 struct ar_context ar_request_ctx;
211 struct ar_context ar_response_ctx; 181 struct ar_context ar_response_ctx;
@@ -217,6 +187,18 @@ struct fw_ohci {
217 u64 ir_context_channels; 187 u64 ir_context_channels;
218 u32 ir_context_mask; 188 u32 ir_context_mask;
219 struct iso_context *ir_context_list; 189 struct iso_context *ir_context_list;
190
191 __be32 *config_rom;
192 dma_addr_t config_rom_bus;
193 __be32 *next_config_rom;
194 dma_addr_t next_config_rom_bus;
195 __be32 next_header;
196
197 __le32 *self_id_cpu;
198 dma_addr_t self_id_bus;
199 struct tasklet_struct bus_reset_tasklet;
200
201 u32 self_id_buffer[512];
220}; 202};
221 203
222static inline struct fw_ohci *fw_ohci(struct fw_card *card) 204static inline struct fw_ohci *fw_ohci(struct fw_card *card)
@@ -249,6 +231,30 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card)
249 231
250static char ohci_driver_name[] = KBUILD_MODNAME; 232static char ohci_driver_name[] = KBUILD_MODNAME;
251 233
234#define QUIRK_CYCLE_TIMER 1
235#define QUIRK_RESET_PACKET 2
236#define QUIRK_BE_HEADERS 4
237
238/* In case of multiple matches in ohci_quirks[], only the first one is used. */
239static const struct {
240 unsigned short vendor, device, flags;
241} ohci_quirks[] = {
242 {PCI_VENDOR_ID_TI, PCI_ANY_ID, QUIRK_RESET_PACKET},
243 {PCI_VENDOR_ID_AL, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
244 {PCI_VENDOR_ID_NEC, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
245 {PCI_VENDOR_ID_VIA, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
246 {PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
247};
248
249/* This overrides anything that was found in ohci_quirks[]. */
250static int param_quirks;
251module_param_named(quirks, param_quirks, int, 0644);
252MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"
253 ", nonatomic cycle timer = " __stringify(QUIRK_CYCLE_TIMER)
254 ", reset packet generation = " __stringify(QUIRK_RESET_PACKET)
255 ", AR/selfID endianess = " __stringify(QUIRK_BE_HEADERS)
256 ")");
257
252#ifdef CONFIG_FIREWIRE_OHCI_DEBUG 258#ifdef CONFIG_FIREWIRE_OHCI_DEBUG
253 259
254#define OHCI_PARAM_DEBUG_AT_AR 1 260#define OHCI_PARAM_DEBUG_AT_AR 1
@@ -275,7 +281,7 @@ static void log_irqs(u32 evt)
275 !(evt & OHCI1394_busReset)) 281 !(evt & OHCI1394_busReset))
276 return; 282 return;
277 283
278 fw_notify("IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt, 284 fw_notify("IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt,
279 evt & OHCI1394_selfIDComplete ? " selfID" : "", 285 evt & OHCI1394_selfIDComplete ? " selfID" : "",
280 evt & OHCI1394_RQPkt ? " AR_req" : "", 286 evt & OHCI1394_RQPkt ? " AR_req" : "",
281 evt & OHCI1394_RSPkt ? " AR_resp" : "", 287 evt & OHCI1394_RSPkt ? " AR_resp" : "",
@@ -285,7 +291,6 @@ static void log_irqs(u32 evt)
285 evt & OHCI1394_isochTx ? " IT" : "", 291 evt & OHCI1394_isochTx ? " IT" : "",
286 evt & OHCI1394_postedWriteErr ? " postedWriteErr" : "", 292 evt & OHCI1394_postedWriteErr ? " postedWriteErr" : "",
287 evt & OHCI1394_cycleTooLong ? " cycleTooLong" : "", 293 evt & OHCI1394_cycleTooLong ? " cycleTooLong" : "",
288 evt & OHCI1394_cycle64Seconds ? " cycle64Seconds" : "",
289 evt & OHCI1394_cycleInconsistent ? " cycleInconsistent" : "", 294 evt & OHCI1394_cycleInconsistent ? " cycleInconsistent" : "",
290 evt & OHCI1394_regAccessFail ? " regAccessFail" : "", 295 evt & OHCI1394_regAccessFail ? " regAccessFail" : "",
291 evt & OHCI1394_busReset ? " busReset" : "", 296 evt & OHCI1394_busReset ? " busReset" : "",
@@ -293,8 +298,7 @@ static void log_irqs(u32 evt)
293 OHCI1394_RSPkt | OHCI1394_reqTxComplete | 298 OHCI1394_RSPkt | OHCI1394_reqTxComplete |
294 OHCI1394_respTxComplete | OHCI1394_isochRx | 299 OHCI1394_respTxComplete | OHCI1394_isochRx |
295 OHCI1394_isochTx | OHCI1394_postedWriteErr | 300 OHCI1394_isochTx | OHCI1394_postedWriteErr |
296 OHCI1394_cycleTooLong | OHCI1394_cycle64Seconds | 301 OHCI1394_cycleTooLong | OHCI1394_cycleInconsistent |
297 OHCI1394_cycleInconsistent |
298 OHCI1394_regAccessFail | OHCI1394_busReset) 302 OHCI1394_regAccessFail | OHCI1394_busReset)
299 ? " ?" : ""); 303 ? " ?" : "");
300} 304}
@@ -524,7 +528,7 @@ static void ar_context_release(struct ar_context *ctx)
524 528
525#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) 529#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
526#define cond_le32_to_cpu(v) \ 530#define cond_le32_to_cpu(v) \
527 (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v)) 531 (ohci->quirks & QUIRK_BE_HEADERS ? (__force __u32)(v) : le32_to_cpu(v))
528#else 532#else
529#define cond_le32_to_cpu(v) le32_to_cpu(v) 533#define cond_le32_to_cpu(v) le32_to_cpu(v)
530#endif 534#endif
@@ -605,7 +609,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
605 * at a slightly incorrect time (in bus_reset_tasklet). 609 * at a slightly incorrect time (in bus_reset_tasklet).
606 */ 610 */
607 if (evt == OHCI1394_evt_bus_reset) { 611 if (evt == OHCI1394_evt_bus_reset) {
608 if (!ohci->bus_reset_packet_quirk) 612 if (!(ohci->quirks & QUIRK_RESET_PACKET))
609 ohci->request_generation = (p.header[2] >> 16) & 0xff; 613 ohci->request_generation = (p.header[2] >> 16) & 0xff;
610 } else if (ctx == &ohci->ar_request_ctx) { 614 } else if (ctx == &ohci->ar_request_ctx) {
611 fw_core_handle_request(&ohci->card, &p); 615 fw_core_handle_request(&ohci->card, &p);
@@ -1329,7 +1333,7 @@ static void bus_reset_tasklet(unsigned long data)
1329 context_stop(&ohci->at_response_ctx); 1333 context_stop(&ohci->at_response_ctx);
1330 reg_write(ohci, OHCI1394_IntEventClear, OHCI1394_busReset); 1334 reg_write(ohci, OHCI1394_IntEventClear, OHCI1394_busReset);
1331 1335
1332 if (ohci->bus_reset_packet_quirk) 1336 if (ohci->quirks & QUIRK_RESET_PACKET)
1333 ohci->request_generation = generation; 1337 ohci->request_generation = generation;
1334 1338
1335 /* 1339 /*
@@ -1384,7 +1388,7 @@ static void bus_reset_tasklet(unsigned long data)
1384static irqreturn_t irq_handler(int irq, void *data) 1388static irqreturn_t irq_handler(int irq, void *data)
1385{ 1389{
1386 struct fw_ohci *ohci = data; 1390 struct fw_ohci *ohci = data;
1387 u32 event, iso_event, cycle_time; 1391 u32 event, iso_event;
1388 int i; 1392 int i;
1389 1393
1390 event = reg_read(ohci, OHCI1394_IntEventClear); 1394 event = reg_read(ohci, OHCI1394_IntEventClear);
@@ -1454,12 +1458,6 @@ static irqreturn_t irq_handler(int irq, void *data)
1454 fw_notify("isochronous cycle inconsistent\n"); 1458 fw_notify("isochronous cycle inconsistent\n");
1455 } 1459 }
1456 1460
1457 if (event & OHCI1394_cycle64Seconds) {
1458 cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
1459 if ((cycle_time & 0x80000000) == 0)
1460 atomic_inc(&ohci->bus_seconds);
1461 }
1462
1463 return IRQ_HANDLED; 1461 return IRQ_HANDLED;
1464} 1462}
1465 1463
@@ -1553,8 +1551,7 @@ static int ohci_enable(struct fw_card *card,
1553 OHCI1394_reqTxComplete | OHCI1394_respTxComplete | 1551 OHCI1394_reqTxComplete | OHCI1394_respTxComplete |
1554 OHCI1394_isochRx | OHCI1394_isochTx | 1552 OHCI1394_isochRx | OHCI1394_isochTx |
1555 OHCI1394_postedWriteErr | OHCI1394_cycleTooLong | 1553 OHCI1394_postedWriteErr | OHCI1394_cycleTooLong |
1556 OHCI1394_cycleInconsistent | 1554 OHCI1394_cycleInconsistent | OHCI1394_regAccessFail |
1557 OHCI1394_cycle64Seconds | OHCI1394_regAccessFail |
1558 OHCI1394_masterIntEnable); 1555 OHCI1394_masterIntEnable);
1559 if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS) 1556 if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
1560 reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset); 1557 reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
@@ -1794,16 +1791,61 @@ static int ohci_enable_phys_dma(struct fw_card *card,
1794#endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */ 1791#endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
1795} 1792}
1796 1793
1797static u64 ohci_get_bus_time(struct fw_card *card) 1794static u32 cycle_timer_ticks(u32 cycle_timer)
1798{ 1795{
1799 struct fw_ohci *ohci = fw_ohci(card); 1796 u32 ticks;
1800 u32 cycle_time;
1801 u64 bus_time;
1802 1797
1803 cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer); 1798 ticks = cycle_timer & 0xfff;
1804 bus_time = ((u64)atomic_read(&ohci->bus_seconds) << 32) | cycle_time; 1799 ticks += 3072 * ((cycle_timer >> 12) & 0x1fff);
1800 ticks += (3072 * 8000) * (cycle_timer >> 25);
1801
1802 return ticks;
1803}
1804
1805/*
1806 * Some controllers exhibit one or more of the following bugs when updating the
1807 * iso cycle timer register:
1808 * - When the lowest six bits are wrapping around to zero, a read that happens
1809 * at the same time will return garbage in the lowest ten bits.
1810 * - When the cycleOffset field wraps around to zero, the cycleCount field is
1811 * not incremented for about 60 ns.
1812 * - Occasionally, the entire register reads zero.
1813 *
1814 * To catch these, we read the register three times and ensure that the
1815 * difference between each two consecutive reads is approximately the same, i.e.
1816 * less than twice the other. Furthermore, any negative difference indicates an
1817 * error. (A PCI read should take at least 20 ticks of the 24.576 MHz timer to
1818 * execute, so we have enough precision to compute the ratio of the differences.)
1819 */
1820static u32 ohci_get_cycle_time(struct fw_card *card)
1821{
1822 struct fw_ohci *ohci = fw_ohci(card);
1823 u32 c0, c1, c2;
1824 u32 t0, t1, t2;
1825 s32 diff01, diff12;
1826 int i;
1805 1827
1806 return bus_time; 1828 c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
1829
1830 if (ohci->quirks & QUIRK_CYCLE_TIMER) {
1831 i = 0;
1832 c1 = c2;
1833 c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
1834 do {
1835 c0 = c1;
1836 c1 = c2;
1837 c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
1838 t0 = cycle_timer_ticks(c0);
1839 t1 = cycle_timer_ticks(c1);
1840 t2 = cycle_timer_ticks(c2);
1841 diff01 = t1 - t0;
1842 diff12 = t2 - t1;
1843 } while ((diff01 <= 0 || diff12 <= 0 ||
1844 diff01 / diff12 >= 2 || diff12 / diff01 >= 2)
1845 && i++ < 20);
1846 }
1847
1848 return c2;
1807} 1849}
1808 1850
1809static void copy_iso_headers(struct iso_context *ctx, void *p) 1851static void copy_iso_headers(struct iso_context *ctx, void *p)
@@ -1828,52 +1870,6 @@ static void copy_iso_headers(struct iso_context *ctx, void *p)
1828 ctx->header_length += ctx->base.header_size; 1870 ctx->header_length += ctx->base.header_size;
1829} 1871}
1830 1872
1831static int handle_ir_dualbuffer_packet(struct context *context,
1832 struct descriptor *d,
1833 struct descriptor *last)
1834{
1835 struct iso_context *ctx =
1836 container_of(context, struct iso_context, context);
1837 struct db_descriptor *db = (struct db_descriptor *) d;
1838 __le32 *ir_header;
1839 size_t header_length;
1840 void *p, *end;
1841
1842 if (db->first_res_count != 0 && db->second_res_count != 0) {
1843 if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) {
1844 /* This descriptor isn't done yet, stop iteration. */
1845 return 0;
1846 }
1847 ctx->excess_bytes -= le16_to_cpu(db->second_req_count);
1848 }
1849
1850 header_length = le16_to_cpu(db->first_req_count) -
1851 le16_to_cpu(db->first_res_count);
1852
1853 p = db + 1;
1854 end = p + header_length;
1855 while (p < end) {
1856 copy_iso_headers(ctx, p);
1857 ctx->excess_bytes +=
1858 (le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff;
1859 p += max(ctx->base.header_size, (size_t)8);
1860 }
1861
1862 ctx->excess_bytes -= le16_to_cpu(db->second_req_count) -
1863 le16_to_cpu(db->second_res_count);
1864
1865 if (le16_to_cpu(db->control) & DESCRIPTOR_IRQ_ALWAYS) {
1866 ir_header = (__le32 *) (db + 1);
1867 ctx->base.callback(&ctx->base,
1868 le32_to_cpu(ir_header[0]) & 0xffff,
1869 ctx->header_length, ctx->header,
1870 ctx->base.callback_data);
1871 ctx->header_length = 0;
1872 }
1873
1874 return 1;
1875}
1876
1877static int handle_ir_packet_per_buffer(struct context *context, 1873static int handle_ir_packet_per_buffer(struct context *context,
1878 struct descriptor *d, 1874 struct descriptor *d,
1879 struct descriptor *last) 1875 struct descriptor *last)
@@ -1960,10 +1956,7 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
1960 channels = &ohci->ir_context_channels; 1956 channels = &ohci->ir_context_channels;
1961 mask = &ohci->ir_context_mask; 1957 mask = &ohci->ir_context_mask;
1962 list = ohci->ir_context_list; 1958 list = ohci->ir_context_list;
1963 if (ohci->use_dualbuffer) 1959 callback = handle_ir_packet_per_buffer;
1964 callback = handle_ir_dualbuffer_packet;
1965 else
1966 callback = handle_ir_packet_per_buffer;
1967 } 1960 }
1968 1961
1969 spin_lock_irqsave(&ohci->lock, flags); 1962 spin_lock_irqsave(&ohci->lock, flags);
@@ -2026,8 +2019,6 @@ static int ohci_start_iso(struct fw_iso_context *base,
2026 } else { 2019 } else {
2027 index = ctx - ohci->ir_context_list; 2020 index = ctx - ohci->ir_context_list;
2028 control = IR_CONTEXT_ISOCH_HEADER; 2021 control = IR_CONTEXT_ISOCH_HEADER;
2029 if (ohci->use_dualbuffer)
2030 control |= IR_CONTEXT_DUAL_BUFFER_MODE;
2031 match = (tags << 28) | (sync << 8) | ctx->base.channel; 2022 match = (tags << 28) | (sync << 8) | ctx->base.channel;
2032 if (cycle >= 0) { 2023 if (cycle >= 0) {
2033 match |= (cycle & 0x07fff) << 12; 2024 match |= (cycle & 0x07fff) << 12;
@@ -2188,92 +2179,6 @@ static int ohci_queue_iso_transmit(struct fw_iso_context *base,
2188 return 0; 2179 return 0;
2189} 2180}
2190 2181
2191static int ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
2192 struct fw_iso_packet *packet,
2193 struct fw_iso_buffer *buffer,
2194 unsigned long payload)
2195{
2196 struct iso_context *ctx = container_of(base, struct iso_context, base);
2197 struct db_descriptor *db = NULL;
2198 struct descriptor *d;
2199 struct fw_iso_packet *p;
2200 dma_addr_t d_bus, page_bus;
2201 u32 z, header_z, length, rest;
2202 int page, offset, packet_count, header_size;
2203
2204 /*
2205 * FIXME: Cycle lost behavior should be configurable: lose
2206 * packet, retransmit or terminate..
2207 */
2208
2209 p = packet;
2210 z = 2;
2211
2212 /*
2213 * The OHCI controller puts the isochronous header and trailer in the
2214 * buffer, so we need at least 8 bytes.
2215 */
2216 packet_count = p->header_length / ctx->base.header_size;
2217 header_size = packet_count * max(ctx->base.header_size, (size_t)8);
2218
2219 /* Get header size in number of descriptors. */
2220 header_z = DIV_ROUND_UP(header_size, sizeof(*d));
2221 page = payload >> PAGE_SHIFT;
2222 offset = payload & ~PAGE_MASK;
2223 rest = p->payload_length;
2224 /*
2225 * The controllers I've tested have not worked correctly when
2226 * second_req_count is zero. Rather than do something we know won't
2227 * work, return an error
2228 */
2229 if (rest == 0)
2230 return -EINVAL;
2231
2232 while (rest > 0) {
2233 d = context_get_descriptors(&ctx->context,
2234 z + header_z, &d_bus);
2235 if (d == NULL)
2236 return -ENOMEM;
2237
2238 db = (struct db_descriptor *) d;
2239 db->control = cpu_to_le16(DESCRIPTOR_STATUS |
2240 DESCRIPTOR_BRANCH_ALWAYS);
2241 db->first_size =
2242 cpu_to_le16(max(ctx->base.header_size, (size_t)8));
2243 if (p->skip && rest == p->payload_length) {
2244 db->control |= cpu_to_le16(DESCRIPTOR_WAIT);
2245 db->first_req_count = db->first_size;
2246 } else {
2247 db->first_req_count = cpu_to_le16(header_size);
2248 }
2249 db->first_res_count = db->first_req_count;
2250 db->first_buffer = cpu_to_le32(d_bus + sizeof(*db));
2251
2252 if (p->skip && rest == p->payload_length)
2253 length = 4;
2254 else if (offset + rest < PAGE_SIZE)
2255 length = rest;
2256 else
2257 length = PAGE_SIZE - offset;
2258
2259 db->second_req_count = cpu_to_le16(length);
2260 db->second_res_count = db->second_req_count;
2261 page_bus = page_private(buffer->pages[page]);
2262 db->second_buffer = cpu_to_le32(page_bus + offset);
2263
2264 if (p->interrupt && length == rest)
2265 db->control |= cpu_to_le16(DESCRIPTOR_IRQ_ALWAYS);
2266
2267 context_append(&ctx->context, d, z, header_z);
2268 offset = (offset + length) & ~PAGE_MASK;
2269 rest -= length;
2270 if (offset == 0)
2271 page++;
2272 }
2273
2274 return 0;
2275}
2276
2277static int ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base, 2182static int ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
2278 struct fw_iso_packet *packet, 2183 struct fw_iso_packet *packet,
2279 struct fw_iso_buffer *buffer, 2184 struct fw_iso_buffer *buffer,
@@ -2364,9 +2269,6 @@ static int ohci_queue_iso(struct fw_iso_context *base,
2364 spin_lock_irqsave(&ctx->context.ohci->lock, flags); 2269 spin_lock_irqsave(&ctx->context.ohci->lock, flags);
2365 if (base->type == FW_ISO_CONTEXT_TRANSMIT) 2270 if (base->type == FW_ISO_CONTEXT_TRANSMIT)
2366 ret = ohci_queue_iso_transmit(base, packet, buffer, payload); 2271 ret = ohci_queue_iso_transmit(base, packet, buffer, payload);
2367 else if (ctx->context.ohci->use_dualbuffer)
2368 ret = ohci_queue_iso_receive_dualbuffer(base, packet,
2369 buffer, payload);
2370 else 2272 else
2371 ret = ohci_queue_iso_receive_packet_per_buffer(base, packet, 2273 ret = ohci_queue_iso_receive_packet_per_buffer(base, packet,
2372 buffer, payload); 2274 buffer, payload);
@@ -2383,7 +2285,7 @@ static const struct fw_card_driver ohci_driver = {
2383 .send_response = ohci_send_response, 2285 .send_response = ohci_send_response,
2384 .cancel_packet = ohci_cancel_packet, 2286 .cancel_packet = ohci_cancel_packet,
2385 .enable_phys_dma = ohci_enable_phys_dma, 2287 .enable_phys_dma = ohci_enable_phys_dma,
2386 .get_bus_time = ohci_get_bus_time, 2288 .get_cycle_time = ohci_get_cycle_time,
2387 2289
2388 .allocate_iso_context = ohci_allocate_iso_context, 2290 .allocate_iso_context = ohci_allocate_iso_context,
2389 .free_iso_context = ohci_free_iso_context, 2291 .free_iso_context = ohci_free_iso_context,
@@ -2421,17 +2323,13 @@ static void ohci_pmac_off(struct pci_dev *dev)
2421#define ohci_pmac_off(dev) 2323#define ohci_pmac_off(dev)
2422#endif /* CONFIG_PPC_PMAC */ 2324#endif /* CONFIG_PPC_PMAC */
2423 2325
2424#define PCI_VENDOR_ID_AGERE PCI_VENDOR_ID_ATT
2425#define PCI_DEVICE_ID_AGERE_FW643 0x5901
2426#define PCI_DEVICE_ID_TI_TSB43AB23 0x8024
2427
2428static int __devinit pci_probe(struct pci_dev *dev, 2326static int __devinit pci_probe(struct pci_dev *dev,
2429 const struct pci_device_id *ent) 2327 const struct pci_device_id *ent)
2430{ 2328{
2431 struct fw_ohci *ohci; 2329 struct fw_ohci *ohci;
2432 u32 bus_options, max_receive, link_speed, version; 2330 u32 bus_options, max_receive, link_speed, version;
2433 u64 guid; 2331 u64 guid;
2434 int err; 2332 int i, err, n_ir, n_it;
2435 size_t size; 2333 size_t size;
2436 2334
2437 ohci = kzalloc(sizeof(*ohci), GFP_KERNEL); 2335 ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
@@ -2472,36 +2370,15 @@ static int __devinit pci_probe(struct pci_dev *dev,
2472 goto fail_iomem; 2370 goto fail_iomem;
2473 } 2371 }
2474 2372
2475 version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff; 2373 for (i = 0; i < ARRAY_SIZE(ohci_quirks); i++)
2476#if 0 2374 if (ohci_quirks[i].vendor == dev->vendor &&
2477 /* FIXME: make it a context option or remove dual-buffer mode */ 2375 (ohci_quirks[i].device == dev->device ||
2478 ohci->use_dualbuffer = version >= OHCI_VERSION_1_1; 2376 ohci_quirks[i].device == (unsigned short)PCI_ANY_ID)) {
2479#endif 2377 ohci->quirks = ohci_quirks[i].flags;
2480 2378 break;
2481 /* dual-buffer mode is broken if more than one IR context is active */ 2379 }
2482 if (dev->vendor == PCI_VENDOR_ID_AGERE && 2380 if (param_quirks)
2483 dev->device == PCI_DEVICE_ID_AGERE_FW643) 2381 ohci->quirks = param_quirks;
2484 ohci->use_dualbuffer = false;
2485
2486 /* dual-buffer mode is broken */
2487 if (dev->vendor == PCI_VENDOR_ID_RICOH &&
2488 dev->device == PCI_DEVICE_ID_RICOH_R5C832)
2489 ohci->use_dualbuffer = false;
2490
2491/* x86-32 currently doesn't use highmem for dma_alloc_coherent */
2492#if !defined(CONFIG_X86_32)
2493 /* dual-buffer mode is broken with descriptor addresses above 2G */
2494 if (dev->vendor == PCI_VENDOR_ID_TI &&
2495 (dev->device == PCI_DEVICE_ID_TI_TSB43AB22 ||
2496 dev->device == PCI_DEVICE_ID_TI_TSB43AB23))
2497 ohci->use_dualbuffer = false;
2498#endif
2499
2500#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
2501 ohci->old_uninorth = dev->vendor == PCI_VENDOR_ID_APPLE &&
2502 dev->device == PCI_DEVICE_ID_APPLE_UNI_N_FW;
2503#endif
2504 ohci->bus_reset_packet_quirk = dev->vendor == PCI_VENDOR_ID_TI;
2505 2382
2506 ar_context_init(&ohci->ar_request_ctx, ohci, 2383 ar_context_init(&ohci->ar_request_ctx, ohci,
2507 OHCI1394_AsReqRcvContextControlSet); 2384 OHCI1394_AsReqRcvContextControlSet);
@@ -2516,17 +2393,19 @@ static int __devinit pci_probe(struct pci_dev *dev,
2516 OHCI1394_AsRspTrContextControlSet, handle_at_packet); 2393 OHCI1394_AsRspTrContextControlSet, handle_at_packet);
2517 2394
2518 reg_write(ohci, OHCI1394_IsoRecvIntMaskSet, ~0); 2395 reg_write(ohci, OHCI1394_IsoRecvIntMaskSet, ~0);
2519 ohci->it_context_mask = reg_read(ohci, OHCI1394_IsoRecvIntMaskSet); 2396 ohci->ir_context_channels = ~0ULL;
2397 ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoRecvIntMaskSet);
2520 reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, ~0); 2398 reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, ~0);
2521 size = sizeof(struct iso_context) * hweight32(ohci->it_context_mask); 2399 n_ir = hweight32(ohci->ir_context_mask);
2522 ohci->it_context_list = kzalloc(size, GFP_KERNEL); 2400 size = sizeof(struct iso_context) * n_ir;
2401 ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
2523 2402
2524 reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0); 2403 reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
2525 ohci->ir_context_channels = ~0ULL; 2404 ohci->it_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
2526 ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
2527 reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0); 2405 reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
2528 size = sizeof(struct iso_context) * hweight32(ohci->ir_context_mask); 2406 n_it = hweight32(ohci->it_context_mask);
2529 ohci->ir_context_list = kzalloc(size, GFP_KERNEL); 2407 size = sizeof(struct iso_context) * n_it;
2408 ohci->it_context_list = kzalloc(size, GFP_KERNEL);
2530 2409
2531 if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) { 2410 if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
2532 err = -ENOMEM; 2411 err = -ENOMEM;
@@ -2553,8 +2432,11 @@ static int __devinit pci_probe(struct pci_dev *dev,
2553 if (err) 2432 if (err)
2554 goto fail_self_id; 2433 goto fail_self_id;
2555 2434
2556 fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n", 2435 version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
2557 dev_name(&dev->dev), version >> 16, version & 0xff); 2436 fw_notify("Added fw-ohci device %s, OHCI v%x.%x, "
2437 "%d IR + %d IT contexts, quirks 0x%x\n",
2438 dev_name(&dev->dev), version >> 16, version & 0xff,
2439 n_ir, n_it, ohci->quirks);
2558 2440
2559 return 0; 2441 return 0;
2560 2442
@@ -2662,7 +2544,7 @@ static int pci_resume(struct pci_dev *dev)
2662} 2544}
2663#endif 2545#endif
2664 2546
2665static struct pci_device_id pci_table[] = { 2547static const struct pci_device_id pci_table[] = {
2666 { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_FIREWIRE_OHCI, ~0) }, 2548 { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_FIREWIRE_OHCI, ~0) },
2667 { } 2549 { }
2668}; 2550};
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 70fef40cd22f..ca264f2fdf0c 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1014,7 +1014,8 @@ static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry)
1014 return 0; 1014 return 0;
1015} 1015}
1016 1016
1017static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt, u32 *directory) 1017static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt,
1018 const u32 *directory)
1018{ 1019{
1019 struct fw_csr_iterator ci; 1020 struct fw_csr_iterator ci;
1020 int key, value; 1021 int key, value;
@@ -1027,7 +1028,7 @@ static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt, u32 *directory)
1027 return 0; 1028 return 0;
1028} 1029}
1029 1030
1030static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory, 1031static int sbp2_scan_unit_dir(struct sbp2_target *tgt, const u32 *directory,
1031 u32 *model, u32 *firmware_revision) 1032 u32 *model, u32 *firmware_revision)
1032{ 1033{
1033 struct fw_csr_iterator ci; 1034 struct fw_csr_iterator ci;
diff --git a/drivers/media/dvb/firewire/firedtv-fw.c b/drivers/media/dvb/firewire/firedtv-fw.c
index 7a3de16fba06..75afe4f81e33 100644
--- a/drivers/media/dvb/firewire/firedtv-fw.c
+++ b/drivers/media/dvb/firewire/firedtv-fw.c
@@ -239,47 +239,18 @@ static const struct fw_address_region fcp_region = {
239}; 239};
240 240
241/* Adjust the template string if models with longer names appear. */ 241/* Adjust the template string if models with longer names appear. */
242#define MAX_MODEL_NAME_LEN ((int)DIV_ROUND_UP(sizeof("FireDTV ????"), 4)) 242#define MAX_MODEL_NAME_LEN sizeof("FireDTV ????")
243
244static size_t model_name(u32 *directory, __be32 *buffer)
245{
246 struct fw_csr_iterator ci;
247 int i, length, key, value, last_key = 0;
248 u32 *block = NULL;
249
250 fw_csr_iterator_init(&ci, directory);
251 while (fw_csr_iterator_next(&ci, &key, &value)) {
252 if (last_key == CSR_MODEL &&
253 key == (CSR_DESCRIPTOR | CSR_LEAF))
254 block = ci.p - 1 + value;
255 last_key = key;
256 }
257
258 if (block == NULL)
259 return 0;
260
261 length = min((int)(block[0] >> 16) - 2, MAX_MODEL_NAME_LEN);
262 if (length <= 0)
263 return 0;
264
265 /* fast-forward to text string */
266 block += 3;
267
268 for (i = 0; i < length; i++)
269 buffer[i] = cpu_to_be32(block[i]);
270
271 return length * 4;
272}
273 243
274static int node_probe(struct device *dev) 244static int node_probe(struct device *dev)
275{ 245{
276 struct firedtv *fdtv; 246 struct firedtv *fdtv;
277 __be32 name[MAX_MODEL_NAME_LEN]; 247 char name[MAX_MODEL_NAME_LEN];
278 int name_len, err; 248 int name_len, err;
279 249
280 name_len = model_name(fw_unit(dev)->directory, name); 250 name_len = fw_csr_string(fw_unit(dev)->directory, CSR_MODEL,
251 name, sizeof(name));
281 252
282 fdtv = fdtv_alloc(dev, &backend, (char *)name, name_len); 253 fdtv = fdtv_alloc(dev, &backend, name, name_len >= 0 ? name_len : 0);
283 if (!fdtv) 254 if (!fdtv)
284 return -ENOMEM; 255 return -ENOMEM;
285 256
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 520ecf86cbb3..40b11013408e 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -248,13 +248,20 @@ union fw_cdev_event {
248#define FW_CDEV_IOC_SEND_BROADCAST_REQUEST _IOW('#', 0x12, struct fw_cdev_send_request) 248#define FW_CDEV_IOC_SEND_BROADCAST_REQUEST _IOW('#', 0x12, struct fw_cdev_send_request)
249#define FW_CDEV_IOC_SEND_STREAM_PACKET _IOW('#', 0x13, struct fw_cdev_send_stream_packet) 249#define FW_CDEV_IOC_SEND_STREAM_PACKET _IOW('#', 0x13, struct fw_cdev_send_stream_packet)
250 250
251/* available since kernel version 2.6.34 */
252#define FW_CDEV_IOC_GET_CYCLE_TIMER2 _IOWR('#', 0x14, struct fw_cdev_get_cycle_timer2)
253
251/* 254/*
252 * FW_CDEV_VERSION History 255 * FW_CDEV_VERSION History
253 * 1 (2.6.22) - initial version 256 * 1 (2.6.22) - initial version
254 * 2 (2.6.30) - changed &fw_cdev_event_iso_interrupt.header if 257 * 2 (2.6.30) - changed &fw_cdev_event_iso_interrupt.header if
255 * &fw_cdev_create_iso_context.header_size is 8 or more 258 * &fw_cdev_create_iso_context.header_size is 8 or more
259 * (2.6.32) - added time stamp to xmit &fw_cdev_event_iso_interrupt
260 * (2.6.33) - IR has always packet-per-buffer semantics now, not one of
261 * dual-buffer or packet-per-buffer depending on hardware
262 * 3 (2.6.34) - made &fw_cdev_get_cycle_timer reliable
256 */ 263 */
257#define FW_CDEV_VERSION 2 264#define FW_CDEV_VERSION 3
258 265
259/** 266/**
260 * struct fw_cdev_get_info - General purpose information ioctl 267 * struct fw_cdev_get_info - General purpose information ioctl
@@ -544,14 +551,18 @@ struct fw_cdev_stop_iso {
544/** 551/**
545 * struct fw_cdev_get_cycle_timer - read cycle timer register 552 * struct fw_cdev_get_cycle_timer - read cycle timer register
546 * @local_time: system time, in microseconds since the Epoch 553 * @local_time: system time, in microseconds since the Epoch
547 * @cycle_timer: isochronous cycle timer, as per OHCI 1.1 clause 5.13 554 * @cycle_timer: Cycle Time register contents
548 * 555 *
549 * The %FW_CDEV_IOC_GET_CYCLE_TIMER ioctl reads the isochronous cycle timer 556 * The %FW_CDEV_IOC_GET_CYCLE_TIMER ioctl reads the isochronous cycle timer
550 * and also the system clock. This allows to express the receive time of an 557 * and also the system clock (%CLOCK_REALTIME). This allows to express the
551 * isochronous packet as a system time with microsecond accuracy. 558 * receive time of an isochronous packet as a system time.
552 * 559 *
553 * @cycle_timer consists of 7 bits cycleSeconds, 13 bits cycleCount, and 560 * @cycle_timer consists of 7 bits cycleSeconds, 13 bits cycleCount, and
554 * 12 bits cycleOffset, in host byte order. 561 * 12 bits cycleOffset, in host byte order. Cf. the Cycle Time register
562 * per IEEE 1394 or Isochronous Cycle Timer register per OHCI-1394.
563 *
564 * In version 1 and 2 of the ABI, this ioctl returned unreliable (non-
565 * monotonic) @cycle_timer values on certain controllers.
555 */ 566 */
556struct fw_cdev_get_cycle_timer { 567struct fw_cdev_get_cycle_timer {
557 __u64 local_time; 568 __u64 local_time;
@@ -559,6 +570,25 @@ struct fw_cdev_get_cycle_timer {
559}; 570};
560 571
561/** 572/**
573 * struct fw_cdev_get_cycle_timer2 - read cycle timer register
574 * @tv_sec: system time, seconds
575 * @tv_nsec: system time, sub-seconds part in nanoseconds
576 * @clk_id: input parameter, clock from which to get the system time
577 * @cycle_timer: Cycle Time register contents
578 *
579 * The %FW_CDEV_IOC_GET_CYCLE_TIMER2 works like
580 * %FW_CDEV_IOC_GET_CYCLE_TIMER but lets you choose a clock like with POSIX'
581 * clock_gettime function. Supported @clk_id values are POSIX' %CLOCK_REALTIME
582 * and %CLOCK_MONOTONIC and Linux' %CLOCK_MONOTONIC_RAW.
583 */
584struct fw_cdev_get_cycle_timer2 {
585 __s64 tv_sec;
586 __s32 tv_nsec;
587 __s32 clk_id;
588 __u32 cycle_timer;
589};
590
591/**
562 * struct fw_cdev_allocate_iso_resource - (De)allocate a channel or bandwidth 592 * struct fw_cdev_allocate_iso_resource - (De)allocate a channel or bandwidth
563 * @closure: Passed back to userspace in correponding iso resource events 593 * @closure: Passed back to userspace in correponding iso resource events
564 * @channels: Isochronous channels of which one is to be (de)allocated 594 * @channels: Isochronous channels of which one is to be (de)allocated
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index a0e67150a729..4bd94bf5e739 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -65,12 +65,13 @@
65#define CSR_DIRECTORY_ID 0x20 65#define CSR_DIRECTORY_ID 0x20
66 66
67struct fw_csr_iterator { 67struct fw_csr_iterator {
68 u32 *p; 68 const u32 *p;
69 u32 *end; 69 const u32 *end;
70}; 70};
71 71
72void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p); 72void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p);
73int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value); 73int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value);
74int fw_csr_string(const u32 *directory, int key, char *buf, size_t size);
74 75
75extern struct bus_type fw_bus_type; 76extern struct bus_type fw_bus_type;
76 77
@@ -162,7 +163,7 @@ struct fw_device {
162 struct mutex client_list_mutex; 163 struct mutex client_list_mutex;
163 struct list_head client_list; 164 struct list_head client_list;
164 165
165 u32 *config_rom; 166 const u32 *config_rom;
166 size_t config_rom_length; 167 size_t config_rom_length;
167 int config_rom_retries; 168 int config_rom_retries;
168 unsigned is_local:1; 169 unsigned is_local:1;
@@ -204,7 +205,7 @@ int fw_device_enable_phys_dma(struct fw_device *device);
204 */ 205 */
205struct fw_unit { 206struct fw_unit {
206 struct device device; 207 struct device device;
207 u32 *directory; 208 const u32 *directory;
208 struct fw_attribute_group attribute_group; 209 struct fw_attribute_group attribute_group;
209}; 210};
210 211
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0be824320580..c0e207c0c45a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -770,7 +770,6 @@
770#define PCI_VENDOR_ID_TI 0x104c 770#define PCI_VENDOR_ID_TI 0x104c
771#define PCI_DEVICE_ID_TI_TVP4020 0x3d07 771#define PCI_DEVICE_ID_TI_TVP4020 0x3d07
772#define PCI_DEVICE_ID_TI_4450 0x8011 772#define PCI_DEVICE_ID_TI_4450 0x8011
773#define PCI_DEVICE_ID_TI_TSB43AB22 0x8023
774#define PCI_DEVICE_ID_TI_XX21_XX11 0x8031 773#define PCI_DEVICE_ID_TI_XX21_XX11 0x8031
775#define PCI_DEVICE_ID_TI_XX21_XX11_FM 0x8033 774#define PCI_DEVICE_ID_TI_XX21_XX11_FM 0x8033
776#define PCI_DEVICE_ID_TI_XX21_XX11_SD 0x8034 775#define PCI_DEVICE_ID_TI_XX21_XX11_SD 0x8034
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-15 20:23:10 -0500