* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <linux/completion.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/kthread.h>
#include <asm/uaccess.h>
-#include <asm/semaphore.h>
#include "fw-transaction.h"
#include "fw-topology.h"
int ext_tcode;
if (tcode > 0x10) {
- ext_tcode = tcode - 0x10;
+ ext_tcode = tcode & ~0x10;
tcode = TCODE_LOCK_REQUEST;
} else
ext_tcode = 0;
}
EXPORT_SYMBOL(fw_send_request);
+struct fw_phy_packet {
+ struct fw_packet packet;
+ struct completion done;
+};
+
static void
transmit_phy_packet_callback(struct fw_packet *packet,
struct fw_card *card, int status)
{
- kfree(packet);
-}
-
-static void send_phy_packet(struct fw_card *card, u32 data, int generation)
-{
- struct fw_packet *packet;
+ struct fw_phy_packet *p =
+ container_of(packet, struct fw_phy_packet, packet);
- packet = kzalloc(sizeof(*packet), GFP_ATOMIC);
- if (packet == NULL)
- return;
-
- packet->header[0] = data;
- packet->header[1] = ~data;
- packet->header_length = 8;
- packet->payload_length = 0;
- packet->speed = SCODE_100;
- packet->generation = generation;
- packet->callback = transmit_phy_packet_callback;
-
- card->driver->send_request(card, packet);
+ complete(&p->done);
}
void fw_send_phy_config(struct fw_card *card,
int node_id, int generation, int gap_count)
{
- u32 q;
-
- q = PHY_IDENTIFIER(PHY_PACKET_CONFIG) |
- PHY_CONFIG_ROOT_ID(node_id) |
- PHY_CONFIG_GAP_COUNT(gap_count);
-
- send_phy_packet(card, q, generation);
+ struct fw_phy_packet p;
+ u32 data = PHY_IDENTIFIER(PHY_PACKET_CONFIG) |
+ PHY_CONFIG_ROOT_ID(node_id) |
+ PHY_CONFIG_GAP_COUNT(gap_count);
+
+ p.packet.header[0] = data;
+ p.packet.header[1] = ~data;
+ p.packet.header_length = 8;
+ p.packet.payload_length = 0;
+ p.packet.speed = SCODE_100;
+ p.packet.generation = generation;
+ p.packet.callback = transmit_phy_packet_callback;
+ init_completion(&p.done);
+
+ card->driver->send_request(card, &p.packet);
+ wait_for_completion(&p.done);
}
void fw_flush_transactions(struct fw_card *card)
static DEFINE_SPINLOCK(address_handler_lock);
static LIST_HEAD(address_handler_list);
-const struct fw_address_region fw_low_memory_region =
- { .start = 0x000000000000ULL, .end = 0x000100000000ULL, };
const struct fw_address_region fw_high_memory_region =
{ .start = 0x000100000000ULL, .end = 0xffffe0000000ULL, };
+EXPORT_SYMBOL(fw_high_memory_region);
+
+#if 0
+const struct fw_address_region fw_low_memory_region =
+ { .start = 0x000000000000ULL, .end = 0x000100000000ULL, };
const struct fw_address_region fw_private_region =
{ .start = 0xffffe0000000ULL, .end = 0xfffff0000000ULL, };
const struct fw_address_region fw_csr_region =
- { .start = 0xfffff0000000ULL, .end = 0xfffff0000800ULL, };
+ { .start = CSR_REGISTER_BASE,
+ .end = CSR_REGISTER_BASE | CSR_CONFIG_ROM_END, };
const struct fw_address_region fw_unit_space_region =
{ .start = 0xfffff0000900ULL, .end = 0x1000000000000ULL, };
-EXPORT_SYMBOL(fw_low_memory_region);
-EXPORT_SYMBOL(fw_high_memory_region);
-EXPORT_SYMBOL(fw_private_region);
-EXPORT_SYMBOL(fw_csr_region);
-EXPORT_SYMBOL(fw_unit_space_region);
+#endif /* 0 */
/**
* Allocate a range of addresses in the node space of the OHCI
break;
}
+ /*
+ * The response handler may be executed while the request handler
+ * is still pending. Cancel the request handler.
+ */
+ card->driver->cancel_packet(card, &t->packet);
+
t->callback(card, rcode, data, data_length, t->callback_data);
}
EXPORT_SYMBOL(fw_core_handle_response);
static const struct fw_address_region topology_map_region =
- { .start = 0xfffff0001000ull, .end = 0xfffff0001400ull, };
+ { .start = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP,
+ .end = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP_END, };
static void
handle_topology_map(struct fw_card *card, struct fw_request *request,
void *payload, size_t length, void *callback_data)
{
int i, start, end;
- u32 *map;
+ __be32 *map;
if (!TCODE_IS_READ_REQUEST(tcode)) {
fw_send_response(card, request, RCODE_TYPE_ERROR);
};
static const struct fw_address_region registers_region =
- { .start = 0xfffff0000000ull, .end = 0xfffff0000400ull, };
+ { .start = CSR_REGISTER_BASE,
+ .end = CSR_REGISTER_BASE | CSR_CONFIG_ROM, };
static void
handle_registers(struct fw_card *card, struct fw_request *request,
unsigned long long offset,
void *payload, size_t length, void *callback_data)
{
- int reg = offset - CSR_REGISTER_BASE;
+ int reg = offset & ~CSR_REGISTER_BASE;
unsigned long long bus_time;
__be32 *data = payload;