new amlogic cec driver

redesigned initialization
    - code of delayed init now part of open call
    - interrupt handling moved into open/release
    - removed some debug lines
    - repaired logical address detection

fixed that not all entries from read queue was read

Author: gdachs

arch/arm/mach-mesong9bb/hdmi_tx_hw_20/hdmi_tx_cec_hw.c

@@ -996,6 +996,7 @@ void cec_tx_irq_handle(void)
 #endif
 }
 
+#ifndef CONFIG_AML_HDMI_TX_NEW_CEC_DRIVER
 void cec_polling_online_dev(int log_addr, int *bool)
 {
 #ifdef AO_CEC
@@ -1005,7 +1006,7 @@ void cec_polling_online_dev(int log_addr, int *bool)
 #endif
     hdmi_print(INF, CEC "CEC: poll online logic device: 0x%x BOOL: %d\n", log_addr, *bool);
 }
-
+#endif
 
 // DELETE LATER, TEST ONLY
 void cec_test_(unsigned int cmd)

drivers/amlogic/hdmi/Kconfig

@@ -24,4 +24,12 @@ config AML_HDMI_TX_HDCP
                 hdmitx hdcp enable, it should be enalbe if board burned hdmitx hdcp keys
 endif
 
+if AML_HDMI_TX
+config AML_HDMI_TX_NEW_CEC_DRIVER
+        bool "HDMI new CEC driver"
+        default n
+        help
+                hdmitx uses new CEC driver
+endif
+
 endmenu

drivers/amlogic/hdmi/hdmi_tx/Makefile

@@ -1,5 +1,11 @@
 obj-$(CONFIG_AML_HDMI_TX)		+= hdmitx.o
 
-hdmitx-objs := hdmi_tx.o hdmi_tx_cec.o hdmi_cec_key.o hdmi_tx_video.o hdmi_tx_audio.o hdmi_tx_edid.o hdmi_tx_audio.o hdmi_tx_hdcp.o hdmi_tx_compliance.o
+hdmitx-objs := hdmi_tx.o hdmi_tx_video.o hdmi_tx_audio.o hdmi_tx_edid.o hdmi_tx_audio.o hdmi_tx_hdcp.o hdmi_tx_compliance.o
+
+ifdef CONFIG_AML_HDMI_TX_NEW_CEC_DRIVER
+  hdmitx-objs += amlogic_cec.o
+else
+  hdmitx-objs += hdmi_tx_cec.o hdmi_cec_key.o
+endif
 
 #EXTRA_CFLAGS += -O2