blob: 72a45a477e46f71483dd8ca18b6a93334c65951c [file] [log] [blame]
/*
* libraw1394 - library for raw access to the 1394 bus with the Linux subsystem.
*
* Copyright (C) 2008 Dan Dennedy <dan@dennedy.org>
*
* This library is licensed under the GNU Lesser General Public License (LGPL),
* version 2.1 or later. See the file COPYING.LIB in the distribution for
* details.
*/
#include <config.h>
#include <errno.h>
#include "raw1394.h"
#include "csr.h"
#include "kernel-raw1394.h"
#include "raw1394_private.h"
#include "fw.h"
int raw1394_errcode_to_errno(raw1394_errcode_t errcode)
{
return ieee1394_errcode_to_errno(errcode);
}
raw1394handle_t raw1394_new_handle(void)
{
ieee1394handle_t ieee1394_handle;
fw_handle_t fw_handle;
raw1394handle_t handle;
struct raw1394_portinfo port;
handle = (raw1394handle_t) malloc(sizeof(struct raw1394_handle));
if (!handle)
return NULL;
ieee1394_handle = ieee1394_new_handle();
if (!ieee1394_handle)
goto try_fw;
if (ieee1394_get_port_info(ieee1394_handle, &port, 1) >= 1) {
handle->is_fw = 0;
handle->mode.ieee1394 = ieee1394_handle;
return handle;
}
ieee1394_destroy_handle(ieee1394_handle);
try_fw:
fw_handle = fw_new_handle();
if (fw_handle) {
handle->is_fw = 1;
handle->mode.fw = fw_handle;
return handle;
}
free(handle);
return NULL;
}
void raw1394_destroy_handle(raw1394handle_t handle)
{
if (!handle) {
return;
}
if (handle->is_fw)
fw_destroy_handle(handle->mode.fw);
else
ieee1394_destroy_handle(handle->mode.ieee1394);
free(handle);
}
raw1394handle_t raw1394_new_handle_on_port(int port)
{
ieee1394handle_t ieee1394_handle;
fw_handle_t fw_handle;
raw1394handle_t handle;
handle = (raw1394handle_t) malloc(sizeof(struct raw1394_handle));
if (!handle)
return NULL;
ieee1394_handle = ieee1394_new_handle_on_port(port);
if (ieee1394_handle) {
handle->is_fw = 0;
handle->mode.ieee1394 = ieee1394_handle;
return handle;
}
fw_handle = fw_new_handle_on_port(port);
if (fw_handle) {
handle->is_fw = 1;
handle->mode.fw = fw_handle;
return handle;
}
free(handle);
return NULL;
}
int raw1394_busreset_notify (raw1394handle_t handle, int off_on_switch)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_busreset_notify(handle->mode.fw, off_on_switch);
else
return ieee1394_busreset_notify(handle->mode.ieee1394, off_on_switch);
}
int raw1394_get_fd(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_get_fd(handle->mode.fw);
else
return ieee1394_get_fd(handle->mode.ieee1394);
}
nodeid_t raw1394_get_local_id(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return 0xFFFF;
}
if (handle->is_fw)
return fw_get_local_id(handle->mode.fw);
else
return ieee1394_get_local_id(handle->mode.ieee1394);
}
nodeid_t raw1394_get_irm_id(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return 0xFFFF;
}
if (handle->is_fw)
return fw_get_irm_id(handle->mode.fw);
else
return ieee1394_get_irm_id(handle->mode.ieee1394);
}
int raw1394_get_nodecount(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_get_nodecount(handle->mode.fw);
else
return ieee1394_get_nodecount(handle->mode.ieee1394);
}
int raw1394_get_port_info(raw1394handle_t handle, struct raw1394_portinfo *pinf,
int maxports)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_get_port_info(handle->mode.fw, pinf, maxports);
else
return ieee1394_get_port_info(handle->mode.ieee1394, pinf, maxports);
}
int raw1394_set_port(raw1394handle_t handle, int port)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_set_port(handle->mode.fw, port);
else
return ieee1394_set_port(handle->mode.ieee1394, port);
}
int raw1394_reset_bus_new(raw1394handle_t handle, int type)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_reset_bus_new(handle->mode.fw, type);
else
return ieee1394_reset_bus_new(handle->mode.ieee1394, type);
}
int raw1394_loop_iterate(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_loop_iterate(handle);
else
return ieee1394_loop_iterate(handle);
}
int raw1394_arm_register(raw1394handle_t handle, nodeaddr_t start,
size_t length, byte_t *initial_value,
octlet_t arm_tag, arm_options_t access_rights,
arm_options_t notification_options,
arm_options_t client_transactions)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_arm_register(handle->mode.fw, start, length, initial_value,
arm_tag, access_rights, notification_options, client_transactions);
else
return ieee1394_arm_register(handle->mode.ieee1394, start, length,
initial_value, arm_tag, access_rights, notification_options,
client_transactions);
}
int raw1394_arm_unregister(raw1394handle_t handle, nodeaddr_t start)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_arm_unregister(handle->mode.fw, start);
else
return ieee1394_arm_unregister(handle->mode.ieee1394, start);
}
int raw1394_arm_set_buf (raw1394handle_t handle, nodeaddr_t start,
size_t length, void *buf)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_arm_set_buf(handle->mode.fw, start, length, buf);
else
return ieee1394_arm_set_buf(handle->mode.ieee1394, start, length, buf);
}
int raw1394_arm_get_buf (raw1394handle_t handle, nodeaddr_t start,
size_t length, void *buf)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_arm_get_buf(handle->mode.fw, start, length, buf);
else
return ieee1394_arm_get_buf(handle->mode.ieee1394, start, length, buf);
}
int raw1394_echo_request(raw1394handle_t handle, quadlet_t data)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_echo_request(handle->mode.fw, data);
else
return ieee1394_echo_request(handle->mode.ieee1394, data);
}
int raw1394_wake_up(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_wake_up(handle->mode.fw);
else
return ieee1394_wake_up(handle->mode.ieee1394);
}
int raw1394_phy_packet_write (raw1394handle_t handle, quadlet_t data)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_phy_packet_write(handle, data);
else
return ieee1394_phy_packet_write(handle, data);
}
int raw1394_start_phy_packet_write(raw1394handle_t handle,
quadlet_t data, unsigned long tag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_phy_packet_write(handle->mode.fw, data, tag);
else
return ieee1394_start_phy_packet_write(handle->mode.ieee1394, data, tag);
}
int raw1394_start_read(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
size_t length, quadlet_t *buffer, unsigned long tag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_read(handle->mode.fw, node, addr, length, buffer, tag);
else
return ieee1394_start_read(handle->mode.ieee1394, node, addr, length, buffer, tag);
}
int raw1394_start_write(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
size_t length, quadlet_t *data, unsigned long tag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_write(handle->mode.fw, node, addr, length, data, tag);
else
return ieee1394_start_write(handle->mode.ieee1394, node, addr, length, data, tag);
}
int raw1394_start_lock(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
unsigned int extcode, quadlet_t data, quadlet_t arg,
quadlet_t *result, unsigned long tag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_lock(handle->mode.fw, node, addr, extcode, data, arg, result, tag);
else
return ieee1394_start_lock(handle->mode.ieee1394, node, addr, extcode, data, arg, result, tag);
}
int raw1394_start_lock64(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
unsigned int extcode, octlet_t data, octlet_t arg,
octlet_t *result, unsigned long tag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_lock64(handle->mode.fw, node, addr, extcode, data, arg, result, tag);
else
return ieee1394_start_lock64(handle->mode.ieee1394, node, addr, extcode, data, arg, result, tag);
}
int raw1394_start_async_stream(raw1394handle_t handle, unsigned int channel,
unsigned int tag, unsigned int sy,
unsigned int speed, size_t length, quadlet_t *data,
unsigned long rawtag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_async_stream(handle->mode.fw, channel, tag, sy, speed, length, data, rawtag);
else
return ieee1394_start_async_stream(handle->mode.ieee1394, channel, tag, sy, speed, length, data, rawtag);
}
int raw1394_start_async_send(raw1394handle_t handle,
size_t length, size_t header_length,
unsigned int expect_response,
quadlet_t *data, unsigned long rawtag)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_async_send(handle->mode.fw, length, header_length,
expect_response, data, rawtag);
else
return ieee1394_start_async_send(handle->mode.ieee1394, length,
header_length, expect_response, data, rawtag);
}
int raw1394_read(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
size_t length, quadlet_t *buffer)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_read(handle, node, addr, length, buffer);
else
return ieee1394_read(handle, node, addr, length, buffer);
}
int raw1394_write(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
size_t length, quadlet_t *data)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_write(handle, node, addr, length, data);
else
return ieee1394_write(handle, node, addr, length, data);
}
int raw1394_lock(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
unsigned int extcode, quadlet_t data, quadlet_t arg,
quadlet_t *result)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_lock(handle, node, addr, extcode, data, arg, result);
else
return ieee1394_lock(handle, node, addr, extcode, data, arg, result);
}
int raw1394_lock64(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
unsigned int extcode, octlet_t data, octlet_t arg,
octlet_t *result)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_lock64(handle, node, addr, extcode, data, arg, result);
else
return ieee1394_lock64(handle, node, addr, extcode, data, arg, result);
}
int raw1394_async_stream(raw1394handle_t handle, unsigned int channel,
unsigned int tag, unsigned int sy, unsigned int speed,
size_t length, quadlet_t *data)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_async_stream(handle, channel, tag, sy, speed, length, data);
else
return ieee1394_async_stream(handle, channel, tag, sy, speed, length, data);
}
int raw1394_async_send(raw1394handle_t handle,
size_t length, size_t header_length,
unsigned int expect_response,
quadlet_t *data)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_async_send(handle->mode.fw, length, header_length,
expect_response, data);
else
return ieee1394_async_send(handle, length, header_length,
expect_response, data);
}
int raw1394_start_fcp_listen(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_start_fcp_listen(handle->mode.fw);
else
return ieee1394_start_fcp_listen(handle);
}
int raw1394_stop_fcp_listen(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_stop_fcp_listen(handle->mode.fw);
else
return ieee1394_stop_fcp_listen(handle);
}
int raw1394_update_config_rom(raw1394handle_t handle, const quadlet_t
*new_rom, size_t size, unsigned char rom_version)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_update_config_rom(handle->mode.fw, new_rom, size, rom_version);
else
return ieee1394_update_config_rom(handle->mode.ieee1394,
new_rom, size, rom_version);
}
int raw1394_get_config_rom(raw1394handle_t handle, quadlet_t *buffer,
size_t buffersize, size_t *rom_size, unsigned char *rom_version)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_get_config_rom(handle->mode.fw, buffer, buffersize,
rom_size, rom_version);
else
return ieee1394_get_config_rom(handle->mode.ieee1394, buffer,
buffersize, rom_size, rom_version);
}
int raw1394_bandwidth_modify (raw1394handle_t handle, unsigned int bandwidth,
enum raw1394_modify_mode mode)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_bandwidth_modify(handle, bandwidth, mode);
else
return ieee1394_bandwidth_modify(handle, bandwidth, mode);
}
int raw1394_channel_modify (raw1394handle_t handle, unsigned int channel,
enum raw1394_modify_mode mode)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_channel_modify(handle, channel, mode);
else
return ieee1394_channel_modify(handle, channel, mode);
}
int raw1394_iso_xmit_init(raw1394handle_t handle,
raw1394_iso_xmit_handler_t handler,
unsigned int buf_packets,
unsigned int max_packet_size,
unsigned char channel,
enum raw1394_iso_speed speed,
int irq_interval)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_xmit_init(handle->mode.fw, handler, buf_packets,
max_packet_size, channel, speed, irq_interval);
else
return ieee1394_iso_xmit_init(handle->mode.ieee1394, handler, buf_packets,
max_packet_size, channel, speed, irq_interval);
}
int raw1394_iso_recv_init(raw1394handle_t handle,
raw1394_iso_recv_handler_t handler,
unsigned int buf_packets,
unsigned int max_packet_size,
unsigned char channel,
enum raw1394_iso_dma_recv_mode mode,
int irq_interval)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_init(handle->mode.fw, handler, buf_packets,
max_packet_size, channel, mode, irq_interval);
else
return ieee1394_iso_recv_init(handle->mode.ieee1394, handler, buf_packets,
max_packet_size, channel, mode, irq_interval);
}
int raw1394_iso_multichannel_recv_init(raw1394handle_t handle,
raw1394_iso_recv_handler_t handler,
unsigned int buf_packets,
unsigned int max_packet_size,
int irq_interval)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_multichannel_recv_init(handle->mode.fw, handler, buf_packets,
max_packet_size, irq_interval);
else
return ieee1394_iso_multichannel_recv_init(handle->mode.ieee1394, handler,
buf_packets, max_packet_size, irq_interval);
}
int raw1394_iso_recv_listen_channel(raw1394handle_t handle,
unsigned char channel)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_listen_channel(handle->mode.fw, channel);
else
return ieee1394_iso_recv_listen_channel(handle->mode.ieee1394, channel);
}
int raw1394_iso_recv_unlisten_channel(raw1394handle_t handle,
unsigned char channel)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_unlisten_channel(handle->mode.fw, channel);
else
return ieee1394_iso_recv_unlisten_channel(handle->mode.ieee1394, channel);
}
int raw1394_iso_recv_set_channel_mask(raw1394handle_t handle, u_int64_t mask)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_set_channel_mask(handle->mode.fw, mask);
else
return ieee1394_iso_recv_set_channel_mask(handle->mode.ieee1394, mask);
}
int raw1394_iso_xmit_start(raw1394handle_t handle, int start_on_cycle,
int prebuffer_packets)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_xmit_start(handle,
start_on_cycle, prebuffer_packets);
else
return ieee1394_iso_xmit_start(handle->mode.ieee1394,
start_on_cycle, prebuffer_packets);
}
int raw1394_iso_recv_start(raw1394handle_t handle, int start_on_cycle,
int tag_mask, int sync)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_start(handle->mode.fw,
start_on_cycle, tag_mask, sync);
else
return ieee1394_iso_recv_start(handle->mode.ieee1394,
start_on_cycle, tag_mask, sync);
}
int raw1394_iso_xmit_write(raw1394handle_t handle, unsigned char *data,
unsigned int len, unsigned char tag,
unsigned char sy)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_xmit_write(handle, data, len, tag, sy);
else
return ieee1394_iso_xmit_write(handle, data, len, tag, sy);
}
int raw1394_iso_xmit_sync(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_xmit_sync(handle);
else
return ieee1394_iso_xmit_sync(handle->mode.ieee1394);
}
int raw1394_iso_recv_flush(raw1394handle_t handle)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_iso_recv_flush(handle->mode.fw);
else
return ieee1394_iso_recv_flush(handle->mode.ieee1394);
}
void raw1394_iso_stop(raw1394handle_t handle)
{
if (!handle) {
return;
}
if (handle->is_fw)
fw_iso_stop(handle->mode.fw);
else
ieee1394_iso_stop(handle->mode.ieee1394);
}
void raw1394_iso_shutdown(raw1394handle_t handle)
{
if (!handle) {
return;
}
if (handle->is_fw)
fw_iso_shutdown(handle->mode.fw);
else
ieee1394_iso_shutdown(handle->mode.ieee1394);
}
int raw1394_read_cycle_timer(raw1394handle_t handle,
u_int32_t *cycle_timer, u_int64_t *local_time)
{
if (!handle) {
errno = EINVAL;
return -1;
}
if (handle->is_fw)
return fw_read_cycle_timer(handle->mode.fw,
cycle_timer, local_time);
else
return ieee1394_read_cycle_timer(handle->mode.ieee1394,
cycle_timer, local_time);
}