/*
* load the firmware binaries
*/
static int vx_boot(const char *devname)
{
snd_hwdep_t *hw;
const char *id;
int err, is_pcmcia;
unsigned int idx, dsps, loaded;
snd_hwdep_dsp_status_t *stat;
if ((err = snd_hwdep_open(&hw, devname, O_RDWR)) < 0) {
error("cannot open hwdep %s\n", devname);
return err;
}
if (check_hwinfo(hw, "VX Loader") < 0) {
error("invalid hwdep %s\n", devname);
snd_hwdep_close(hw);
return -ENODEV;
}
snd_hwdep_dsp_status_alloca(&stat);
/* get the current status */
if ((err = snd_hwdep_dsp_status(hw, stat)) < 0) {
error("cannot get version for %s\n", devname);
snd_hwdep_close(hw);
return err;
}
if (snd_hwdep_dsp_status_get_chip_ready(stat))
return 0; /* already loaded */
id = snd_hwdep_dsp_status_get_id(stat);
if (strcmp(id, "vxpocket") == 0 ||
strcmp(id, "vxp440") == 0)
is_pcmcia = 1;
else
is_pcmcia = 0;
dsps = snd_hwdep_dsp_status_get_num_dsps(stat);
loaded = snd_hwdep_dsp_status_get_dsp_loaded(stat);
for (idx = 0; idx < dsps; idx++) {
if (loaded & (1 << idx))
continue;
if ((err = load_firmware(hw, id, idx, is_pcmcia)) < 0) {
snd_hwdep_close(hw);
return err;
}
}
snd_hwdep_close(hw);
return 0;
}
static int init(void)
{
const char* device;
snd_hwdep_info_t* info;
struct pollfd pollfd;
int err;
device = drv.device;
if (!device || !*device) {
device = search_device();
if (!device) {
logprintf(LIRC_ERROR, "device not found");
return 0;
}
}
err = snd_hwdep_open(&hwdep, device, SND_HWDEP_OPEN_READ);
if (err < 0) {
logprintf(LIRC_ERROR, "cannot open %s: %s", device, snd_strerror(err));
return 0;
}
snd_hwdep_info_alloca(&info);
err = snd_hwdep_info(hwdep, info);
if (err < 0) {
snd_hwdep_close(hwdep);
logprintf(LIRC_ERROR, "cannot get hwdep info: %s", snd_strerror(err));
return 0;
}
if (snd_hwdep_info_get_iface(info) != SND_HWDEP_IFACE_SB_RC) {
snd_hwdep_close(hwdep);
logprintf(LIRC_ERROR, "%s is not a Sound Blaster remote control device", device);
return 0;
}
err = snd_hwdep_poll_descriptors(hwdep, &pollfd, 1);
if (err < 0) {
snd_hwdep_close(hwdep);
logprintf(LIRC_ERROR, "cannot get file descriptor: %s", snd_strerror(err));
return 0;
}
if (err != 1) {
snd_hwdep_close(hwdep);
logprintf(LIRC_ERROR, "invalid number of file descriptors (%d): %s", err, snd_strerror(err));
return 0;
}
drv.fd = pollfd.fd;
return 1;
}
static void headset_destroy(struct s_headset *headset)
{
if (headset == NULL)
return;
if (headset->sco_fd != -1) {
bt_sco_set_fd(headset->handle, -1);
close(headset->sco_fd);
}
sleep(1);
if (headset->rfcomm_fd != -1)
close(headset->rfcomm_fd);
if (headset->handle != NULL)
snd_hwdep_close(headset->handle);
headset->sco_fd = -1;
headset->rfcomm_fd = -1;
headset->handle = NULL;
}
static int deinit(void)
{
snd_hwdep_close(hwdep);
drv.fd = -1;
return 1;
}