static int chd_dec_open(struct inode *in, struct file *fd)
{
struct crystalhd_adp *adp = chd_get_adp();
int rc = 0;
enum BC_STATUS sts = BC_STS_SUCCESS;
struct crystalhd_user *uc = NULL;
BCMLOG_ENTER;
if (!adp) {
BCMLOG_ERR("Invalid adp\n");
return -EINVAL;
}
if (adp->cfg_users >= BC_LINK_MAX_OPENS) {
BCMLOG(BCMLOG_INFO, "Already in use.%d\n", adp->cfg_users);
return -EBUSY;
}
sts = crystalhd_user_open(&adp->cmds, &uc);
if (sts != BC_STS_SUCCESS) {
BCMLOG_ERR("cmd_user_open - %d\n", sts);
rc = -EBUSY;
}
adp->cfg_users++;
fd->private_data = uc;
return rc;
}
/* API interfaces */
static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
{
struct crystalhd_adp *adp = chd_get_adp();
crystalhd_cmd_proc cproc;
struct crystalhd_user *uc;
int ret;
if (!adp || !fd) {
BCMLOG_ERR("Invalid adp\n");
return -EINVAL;
}
uc = (struct crystalhd_user *)fd->private_data;
if (!uc) {
BCMLOG_ERR("Failed to get uc\n");
return -ENODATA;
}
lock_kernel();
cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
if (!cproc) {
BCMLOG_ERR("Unhandled command: %d\n", cmd);
unlock_kernel();
return -EINVAL;
}
ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
unlock_kernel();
return ret;
}
static int chd_dec_open(struct inode *in, struct file *fd)
{
struct crystalhd_adp *adp = chd_get_adp();
struct device *dev = &adp->pdev->dev;
int rc = 0;
BC_STATUS sts = BC_STS_SUCCESS;
struct crystalhd_user *uc = NULL;
dev_dbg(dev, "Entering %s\n", __func__);
if (!adp) {
dev_err(dev, "Invalid adp\n");
return -EINVAL;
}
if (adp->cfg_users >= BC_LINK_MAX_OPENS) {
dev_info(dev, "Already in use.%d\n", adp->cfg_users);
return -EBUSY;
}
sts = crystalhd_user_open(&adp->cmds, &uc);
if (sts != BC_STS_SUCCESS) {
dev_err(dev, "cmd_user_open - %d\n", sts);
rc = -EBUSY;
}
else {
adp->cfg_users++;
fd->private_data = uc;
}
return rc;
}
static long chd_dec_ioctl(struct file *fd,
unsigned int cmd, unsigned long ua)
#endif
{
struct crystalhd_adp *adp = chd_get_adp();
struct device *dev = &adp->pdev->dev;
crystalhd_cmd_proc cproc;
struct crystalhd_user *uc;
dev_dbg(dev, "Entering %s\n", __func__);
if (!adp || !fd) {
dev_err(chddev(), "Invalid adp\n");
return -EINVAL;
}
uc = fd->private_data;
if (!uc) {
dev_err(chddev(), "Failed to get uc\n");
return -ENODATA;
}
cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
if (!cproc && !(adp->cmds.state & BC_LINK_SUSPEND)) {
dev_err(chddev(), "Unhandled command: %d\n", cmd);
return -EINVAL;
}
return chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
}
static int chd_dec_close(struct inode *in, struct file *fd)
{
struct crystalhd_adp *adp = chd_get_adp();
struct crystalhd_user *uc;
if (!adp) {
BCMLOG_ERR("Invalid adp\n");
return -EINVAL;
}
uc = fd->private_data;
if (!uc) {
BCMLOG_ERR("Failed to get uc\n");
return -ENODATA;
}
crystalhd_user_close(&adp->cmds, uc);
adp->cfg_users--;
return 0;
}
static int chd_dec_close(struct inode *in, struct file *fd)
{
struct crystalhd_adp *adp = chd_get_adp();
struct device *dev = &adp->pdev->dev;
struct crystalhd_cmd *ctx = &adp->cmds;
struct crystalhd_user *uc;
uint32_t mode;
dev_dbg(dev, "Entering %s\n", __func__);
if (!adp) {
dev_err(dev, "Invalid adp\n");
return -EINVAL;
}
uc = fd->private_data;
if (!uc) {
dev_err(dev, "Failed to get uc\n");
return -ENODATA;
}
/* Check and close only if we have not flush/closed before */
/* This is needed because release is not guarenteed to be called immediately on close,
* if duplicate file handles exist due to fork etc. This causes problems with close and re-open
of the device immediately */
if(uc->in_use) {
mode = uc->mode;
ctx->user[uc->uid].mode = DTS_MODE_INV;
ctx->user[uc->uid].in_use = 0;
dev_info(chddev(), "Closing user[%x] handle with mode %x\n", uc->uid, mode);
if (((mode & 0xFF) == DTS_DIAG_MODE) ||
((mode & 0xFF) == DTS_PLAYBACK_MODE) ||
((bc_get_userhandle_count(ctx) == 0) && (ctx->hw_ctx != NULL))) {
ctx->cin_wait_exit = 1;
ctx->pwr_state_change = BC_HW_RUNNING;
/* Stop the HW Capture just in case flush did not get called before stop */
/* And only if we had actually started it */
if(ctx->hw_ctx->rx_freeq != NULL) {
crystalhd_hw_stop_capture(ctx->hw_ctx, true);
crystalhd_hw_free_dma_rings(ctx->hw_ctx);
}
if(ctx->adp->fill_byte_pool)
crystalhd_destroy_dio_pool(ctx->adp);
if(ctx->adp->elem_pool_head)
crystalhd_delete_elem_pool(ctx->adp);
ctx->state = BC_LINK_INVALID;
crystalhd_hw_close(ctx->hw_ctx, ctx->adp);
kfree(ctx->hw_ctx);
ctx->hw_ctx = NULL;
}
uc->in_use = 0;
if(adp->cfg_users > 0)
adp->cfg_users--;
}
return 0;
}
