u32 vcd_decode_frame(void *handle, struct vcd_frame_data_type *p_input_frame)
{
struct vcd_clnt_ctxt_type_t *p_cctxt =
(struct vcd_clnt_ctxt_type_t *)handle;
struct vcd_drv_ctxt_type_t *p_drv_ctxt;
u32 rc;
VCD_MSG_MED("vcd_decode_frame:");
if (NULL == p_cctxt || p_cctxt->n_signature != VCD_SIGNATURE) {
VCD_MSG_ERROR("Bad client handle");
return VCD_ERR_BAD_HANDLE;
}
if (NULL == p_input_frame) {
VCD_MSG_ERROR("Bad parameters");
return VCD_ERR_BAD_POINTER;
}
p_drv_ctxt = vcd_get_drv_context();
vcd_critical_section_enter(p_drv_ctxt->dev_cs);
if (p_cctxt->clnt_state.p_state_table->ev_hdlr.pf_decode_frame) {
rc = p_cctxt->clnt_state.p_state_table->ev_hdlr.
pf_decode_frame(p_cctxt, p_input_frame);
} else {
VCD_MSG_ERROR("Unsupported API in client state %d",
p_cctxt->clnt_state.e_state);
rc = VCD_ERR_BAD_STATE;
}
vcd_critical_section_leave(p_drv_ctxt->dev_cs);
return rc;
}
u32 vcd_term(s32 driver_handle)
{
u32 rc = VCD_S_SUCCESS;
struct vcd_drv_ctxt_type_t *p_drv_ctxt;
VCD_MSG_MED("vcd_term:");
p_drv_ctxt = vcd_get_drv_context();
if (NULL == p_drv_ctxt->dev_cs) {
VCD_MSG_ERROR("No critical section object");
return VCD_ERR_BAD_STATE;
}
vcd_critical_section_enter(p_drv_ctxt->dev_cs);
if (p_drv_ctxt->dev_state.p_state_table->ev_hdlr.pf_term) {
rc = p_drv_ctxt->dev_state.p_state_table->ev_hdlr.
pf_term(p_drv_ctxt, driver_handle);
} else {
VCD_MSG_ERROR("Unsupported API in device state %d",
p_drv_ctxt->dev_state.e_state);
rc = VCD_ERR_BAD_STATE;
}
vcd_critical_section_leave(p_drv_ctxt->dev_cs);
if (VCD_DEVICE_STATE_NULL == p_drv_ctxt->dev_state.e_state) {
VCD_MSG_HIGH
("Device in NULL state. Releasing critical section");
vcd_critical_section_release(p_drv_ctxt->dev_cs);
p_drv_ctxt->dev_cs = NULL;
}
return rc;
}
u32 vcd_stop(void *handle)
{
struct vcd_clnt_ctxt_type_t *p_cctxt =
(struct vcd_clnt_ctxt_type_t *)handle;
struct vcd_drv_ctxt_type_t *p_drv_ctxt;
u32 rc;
VCD_MSG_MED("vcd_stop:");
if (!p_cctxt || p_cctxt->n_signature != VCD_SIGNATURE) {
VCD_MSG_ERROR("Bad client handle");
return VCD_ERR_BAD_HANDLE;
}
p_drv_ctxt = vcd_get_drv_context();
vcd_critical_section_enter(p_drv_ctxt->dev_cs);
if (p_cctxt->clnt_state.p_state_table->ev_hdlr.pf_stop &&
p_drv_ctxt->dev_ctxt.e_pwr_state != VCD_PWR_STATE_SLEEP) {
rc = p_cctxt->clnt_state.p_state_table->ev_hdlr.
pf_stop(p_cctxt);
} else {
VCD_MSG_ERROR
("Unsupported API in dev power state %d OR client state %d",
p_drv_ctxt->dev_ctxt.e_pwr_state,
p_cctxt->clnt_state.e_state);
rc = VCD_ERR_BAD_STATE;
}
vcd_critical_section_leave(p_drv_ctxt->dev_cs);
return rc;
}
u32 vcd_init(struct vcd_init_config_type *p_config, s32 *p_driver_handle)
{
u32 rc = VCD_S_SUCCESS;
struct vcd_drv_ctxt_type_t *p_drv_ctxt;
VCD_MSG_MED("vcd_init:");
if (!p_config ||
!p_driver_handle || !p_config->pf_map_dev_base_addr) {
VCD_MSG_ERROR("Bad parameters");
return VCD_ERR_ILLEGAL_PARM;
}
p_drv_ctxt = vcd_get_drv_context();
if (!p_drv_ctxt->dev_cs)
vcd_critical_section_create(&p_drv_ctxt->dev_cs);
vcd_critical_section_enter(p_drv_ctxt->dev_cs);
if (p_drv_ctxt->dev_state.p_state_table->ev_hdlr.pf_init) {
rc = p_drv_ctxt->dev_state.p_state_table->ev_hdlr.
pf_init(p_drv_ctxt, p_config, p_driver_handle);
} else {
VCD_MSG_ERROR("Unsupported API in device state %d",
p_drv_ctxt->dev_state.e_state);
rc = VCD_ERR_BAD_STATE;
}
vcd_critical_section_leave(p_drv_ctxt->dev_cs);
return rc;
}
