+static int QAMDemodulatorCommand(struct drxk_state *state,
+ int numberOfParameters)
+{
+ int status;
+ u16 cmdResult;
+ u16 setParamParameters[4] = { 0, 0, 0, 0 };
+
+ setParamParameters[0] = state->m_Constellation; /* modulation */
+ setParamParameters[1] = DRXK_QAM_I12_J17; /* interleave mode */
+
+ if (numberOfParameters == 2) {
+ u16 setEnvParameters[1] = { 0 };
+
+ if (state->m_OperationMode == OM_QAM_ITU_C)
+ setEnvParameters[0] = QAM_TOP_ANNEX_C;
+ else
+ setEnvParameters[0] = QAM_TOP_ANNEX_A;
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV,
+ 1, setEnvParameters, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
+ numberOfParameters, setParamParameters,
+ 1, &cmdResult);
+ } else if (numberOfParameters == 4) {
+ if (state->m_OperationMode == OM_QAM_ITU_C)
+ setParamParameters[2] = QAM_TOP_ANNEX_C;
+ else
+ setParamParameters[2] = QAM_TOP_ANNEX_A;
+
+ setParamParameters[3] |= (QAM_MIRROR_AUTO_ON);
+ /* Env parameters */
+ /* check for LOCKRANGE Extented */
+ /* setParamParameters[3] |= QAM_LOCKRANGE_NORMAL; */
+
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM,
+ numberOfParameters, setParamParameters,
+ 1, &cmdResult);
+ } else {
+ printk(KERN_WARNING "drxk: Unknown QAM demodulator parameter "
+ "count %d\n", numberOfParameters);
+ }
+
+error:
+ if (status < 0)
+ printk(KERN_WARNING "drxk: Warning %d on %s\n",
+ status, __func__);
+ return status;
+}
+