V4L/DVB: AZ6027: Initial import of the driver

Signed-off-by: Manu Abaraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1130 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/az6027.c b/drivers/media/dvb/dvb-usb/az6027.c
new file mode 100644
index 000000000000..3865c928b016
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/az6027.c
@@ -0,0 +1,1130 @@
+/* DVB USB compliant Linux driver for the AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)
+ * receiver.
+ *
+ * Copyright (C) 2009 Adams.Xu <adams.xu@azwave.com.cn>
+ *
+ *	This program is free software; you can redistribute it and/or modify it
+ *	under the terms of the GNU General Public License as published by the Free
+ *	Software Foundation, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+#include "az6027.h"
+/* Demodulator */
+#include "stb0899_drv.h"
+#include "stb0899_reg.h"
+#include "stb0899_cfg.h"
+/* Tuner */
+#include "stb6100.h"
+#include "stb6100_cfg.h"
+#include "dvb_ca_en50221.h"
+
+/* debug */
+int dvb_usb_az6027_debug;
+module_param_named(debug,dvb_usb_az6027_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+struct az6027_device_state {
+	struct dvb_ca_en50221 ca;
+	struct mutex ca_mutex;
+	u8 power_state;
+};
+
+static const struct stb0899_s1_reg az6027_stb0899_s1_init_1[] = {
+
+//	 0x0000000b ,	/* SYSREG */
+	{ STB0899_DEV_ID		, 0x30 },
+	{ STB0899_DISCNTRL1		, 0x32 },
+	{ STB0899_DISCNTRL2     	, 0x80 },
+	{ STB0899_DISRX_ST0     	, 0x04 },
+	{ STB0899_DISRX_ST1     	, 0x00 },
+	{ STB0899_DISPARITY     	, 0x00 },
+	{ STB0899_DISFIFO       	, 0x00 },
+	{ STB0899_DISSTATUS		, 0x20 },
+	{ STB0899_DISF22        	, 0x99 },
+	{ STB0899_DISF22RX      	, 0xa8 },
+	//SYSREG ?
+	{ STB0899_ACRPRESC      	, 0x11 },
+	{ STB0899_ACRDIV1       	, 0x0a },
+	{ STB0899_ACRDIV2       	, 0x05 },
+	{ STB0899_DACR1         	, 0x00 },
+	{ STB0899_DACR2         	, 0x00 },
+	{ STB0899_OUTCFG        	, 0x00 },
+	{ STB0899_MODECFG       	, 0x00 },
+	{ STB0899_IRQSTATUS_3		, 0xfe },
+	{ STB0899_IRQSTATUS_2		, 0x03 },
+	{ STB0899_IRQSTATUS_1		, 0x7c },
+	{ STB0899_IRQSTATUS_0		, 0xf4 },
+	{ STB0899_IRQMSK_3      	, 0xf3 },
+	{ STB0899_IRQMSK_2      	, 0xfc },
+	{ STB0899_IRQMSK_1      	, 0xff },
+	{ STB0899_IRQMSK_0		, 0xff },
+	{ STB0899_IRQCFG		, 0x00 },
+	{ STB0899_I2CCFG        	, 0x88 },
+	{ STB0899_I2CRPT        	, 0x58 },
+	{ STB0899_IOPVALUE5		, 0x00 },
+	{ STB0899_IOPVALUE4		, 0x33 },
+	{ STB0899_IOPVALUE3		, 0x6d },
+	{ STB0899_IOPVALUE2		, 0x90 },
+	{ STB0899_IOPVALUE1		, 0x60 },
+	{ STB0899_IOPVALUE0		, 0x00 },
+	{ STB0899_GPIO00CFG     	, 0x82 },
+	{ STB0899_GPIO01CFG     	, 0x82 },
+	{ STB0899_GPIO02CFG     	, 0x82 },
+	{ STB0899_GPIO03CFG     	, 0x82 },
+	{ STB0899_GPIO04CFG     	, 0x82 },
+	{ STB0899_GPIO05CFG     	, 0x82 },
+	{ STB0899_GPIO06CFG     	, 0x82 },
+	{ STB0899_GPIO07CFG     	, 0x82 },
+	{ STB0899_GPIO08CFG     	, 0x82 },
+	{ STB0899_GPIO09CFG     	, 0x82 },
+	{ STB0899_GPIO10CFG     	, 0x82 },
+	{ STB0899_GPIO11CFG     	, 0x82 },
+	{ STB0899_GPIO12CFG     	, 0x82 },
+	{ STB0899_GPIO13CFG     	, 0x82 },
+	{ STB0899_GPIO14CFG     	, 0x82 },
+	{ STB0899_GPIO15CFG     	, 0x82 },
+	{ STB0899_GPIO16CFG     	, 0x82 },
+	{ STB0899_GPIO17CFG     	, 0x82 },
+	{ STB0899_GPIO18CFG     	, 0x82 },
+	{ STB0899_GPIO19CFG     	, 0x82 },
+	{ STB0899_GPIO20CFG     	, 0x82 },
+	{ STB0899_SDATCFG       	, 0xb8 },
+	{ STB0899_SCLTCFG       	, 0xba },
+	{ STB0899_AGCRFCFG      	, 0x1c }, /* 0x11 */
+	{ STB0899_GPIO22        	, 0x82 }, /* AGCBB2CFG */
+	{ STB0899_GPIO21        	, 0x91 }, /* AGCBB1CFG */
+	{ STB0899_DIRCLKCFG     	, 0x82 },
+	{ STB0899_CLKOUT27CFG   	, 0x7e },
+	{ STB0899_STDBYCFG      	, 0x82 },
+	{ STB0899_CS0CFG        	, 0x82 },
+	{ STB0899_CS1CFG        	, 0x82 },
+	{ STB0899_DISEQCOCFG    	, 0x20 },
+	{ STB0899_GPIO32CFG		, 0x82 },
+	{ STB0899_GPIO33CFG		, 0x82 },
+	{ STB0899_GPIO34CFG		, 0x82 },
+	{ STB0899_GPIO35CFG		, 0x82 },
+	{ STB0899_GPIO36CFG		, 0x82 },
+	{ STB0899_GPIO37CFG		, 0x82 },
+	{ STB0899_GPIO38CFG		, 0x82 },
+	{ STB0899_GPIO39CFG		, 0x82 },
+	{ STB0899_NCOARSE       	, 0x17 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
+	{ STB0899_SYNTCTRL      	, 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
+	{ STB0899_FILTCTRL      	, 0x00 },
+	{ STB0899_SYSCTRL       	, 0x01 },
+	{ STB0899_STOPCLK1      	, 0x20 },
+	{ STB0899_STOPCLK2      	, 0x00 },
+	{ STB0899_INTBUFSTATUS		, 0x00 },
+	{ STB0899_INTBUFCTRL    	, 0x0a },
+	{ 0xffff			, 0xff },
+};
+
+static const struct stb0899_s1_reg az6027_stb0899_s1_init_3[] = {
+	{ STB0899_DEMOD         	, 0x00 },
+	{ STB0899_RCOMPC        	, 0xc9 },
+	{ STB0899_AGC1CN        	, 0x01 },
+	{ STB0899_AGC1REF       	, 0x10 },
+	{ STB0899_RTC	        	, 0x23 },
+	{ STB0899_TMGCFG        	, 0x4e },
+	{ STB0899_AGC2REF       	, 0x34 },
+	{ STB0899_TLSR          	, 0x84 },
+	{ STB0899_CFD           	, 0xf7 },
+	{ STB0899_ACLC	        	, 0x87 },
+	{ STB0899_BCLC          	, 0x94 },
+	{ STB0899_EQON          	, 0x41 },
+	{ STB0899_LDT           	, 0xf1 },
+	{ STB0899_LDT2          	, 0xe3 },
+	{ STB0899_EQUALREF      	, 0xb4 },
+	{ STB0899_TMGRAMP       	, 0x10 },
+	{ STB0899_TMGTHD        	, 0x30 },
+	{ STB0899_IDCCOMP		, 0xfd },
+	{ STB0899_QDCCOMP		, 0xff },
+	{ STB0899_POWERI		, 0x0c },
+	{ STB0899_POWERQ		, 0x0f },
+	{ STB0899_RCOMP			, 0x6c },
+	{ STB0899_AGCIQIN		, 0x80 },
+	{ STB0899_AGC2I1		, 0x06 },
+	{ STB0899_AGC2I2		, 0x00 },
+	{ STB0899_TLIR			, 0x30 },
+	{ STB0899_RTF			, 0x7f },
+	{ STB0899_DSTATUS		, 0x00 },
+	{ STB0899_LDI			, 0xbc },
+	{ STB0899_CFRM			, 0xea },
+	{ STB0899_CFRL			, 0x31 },
+	{ STB0899_NIRM			, 0x2b },
+	{ STB0899_NIRL			, 0x80 },
+	{ STB0899_ISYMB			, 0x1d },
+	{ STB0899_QSYMB			, 0xa6 },
+	{ STB0899_SFRH          	, 0x2f },
+	{ STB0899_SFRM          	, 0x68 },
+	{ STB0899_SFRL          	, 0x40 },
+	{ STB0899_SFRUPH        	, 0x2f },
+	{ STB0899_SFRUPM        	, 0x68 },
+	{ STB0899_SFRUPL        	, 0x40 },
+	{ STB0899_EQUAI1		, 0x02 },
+	{ STB0899_EQUAQ1		, 0xff },
+	{ STB0899_EQUAI2		, 0x04 },
+	{ STB0899_EQUAQ2		, 0x05 },
+	{ STB0899_EQUAI3		, 0x02 },
+	{ STB0899_EQUAQ3		, 0xfd },
+	{ STB0899_EQUAI4		, 0x03 },
+	{ STB0899_EQUAQ4		, 0x07 },
+	{ STB0899_EQUAI5		, 0x08 },
+	{ STB0899_EQUAQ5		, 0xf5 },
+	{ STB0899_DSTATUS2		, 0x00 },
+	{ STB0899_VSTATUS       	, 0x00 },
+	{ STB0899_VERROR		, 0x86 },
+	{ STB0899_IQSWAP		, 0x2a },
+	{ STB0899_ECNT1M		, 0x00 },
+	{ STB0899_ECNT1L		, 0x00 },
+	{ STB0899_ECNT2M		, 0x00 },
+	{ STB0899_ECNT2L		, 0x00 },
+	{ STB0899_ECNT3M		, 0x0a },
+	{ STB0899_ECNT3L		, 0xad },
+	{ STB0899_FECAUTO1      	, 0x06 },
+	{ STB0899_FECM	        	, 0x01 },
+	{ STB0899_VTH12         	, 0xb0 },
+	{ STB0899_VTH23         	, 0x7a },
+	{ STB0899_VTH34	        	, 0x58 },
+	{ STB0899_VTH56         	, 0x38 },
+	{ STB0899_VTH67         	, 0x34 },
+	{ STB0899_VTH78         	, 0x24 },
+	{ STB0899_PRVIT         	, 0xff },
+	{ STB0899_VITSYNC       	, 0x19 },
+	{ STB0899_RSULC         	, 0xb1 }, /* DVB = 0xb1, DSS = 0xa1 */
+	{ STB0899_TSULC         	, 0x42 },
+	{ STB0899_RSLLC         	, 0x41 },
+	{ STB0899_TSLPL	        	, 0x12 },
+	{ STB0899_TSCFGH        	, 0x0c },
+	{ STB0899_TSCFGM        	, 0x00 },
+	{ STB0899_TSCFGL        	, 0x00 },
+	{ STB0899_TSOUT			, 0x69 }, /* 0x0d for CAM */
+	{ STB0899_RSSYNCDEL     	, 0x00 },
+	{ STB0899_TSINHDELH     	, 0x02 },
+	{ STB0899_TSINHDELM		, 0x00 },
+	{ STB0899_TSINHDELL		, 0x00 },
+	{ STB0899_TSLLSTKM		, 0x1b },
+	{ STB0899_TSLLSTKL		, 0xb3 },
+	{ STB0899_TSULSTKM		, 0x00 },
+	{ STB0899_TSULSTKL		, 0x00 },
+	{ STB0899_PCKLENUL		, 0xbc },
+	{ STB0899_PCKLENLL		, 0xcc },
+	{ STB0899_RSPCKLEN		, 0xbd },
+	{ STB0899_TSSTATUS		, 0x90 },
+	{ STB0899_ERRCTRL1      	, 0xb6 },
+	{ STB0899_ERRCTRL2      	, 0x95 },
+	{ STB0899_ERRCTRL3      	, 0x8d },
+	{ STB0899_DMONMSK1		, 0x27 },
+	{ STB0899_DMONMSK0		, 0x03 },
+	{ STB0899_DEMAPVIT      	, 0x5c },
+	{ STB0899_PLPARM		, 0x19 },
+	{ STB0899_PDELCTRL      	, 0x48 },
+	{ STB0899_PDELCTRL2     	, 0x00 },
+	{ STB0899_BBHCTRL1      	, 0x00 },
+	{ STB0899_BBHCTRL2      	, 0x00 },
+	{ STB0899_HYSTTHRESH    	, 0x77 },
+	{ STB0899_MATCSTM		, 0x00 },
+	{ STB0899_MATCSTL		, 0x00 },
+	{ STB0899_UPLCSTM		, 0x00 },
+	{ STB0899_UPLCSTL		, 0x00 },
+	{ STB0899_DFLCSTM		, 0x00 },
+	{ STB0899_DFLCSTL		, 0x00 },
+	{ STB0899_SYNCCST		, 0x00 },
+	{ STB0899_SYNCDCSTM		, 0x00 },
+	{ STB0899_SYNCDCSTL		, 0x00 },
+	{ STB0899_ISI_ENTRY		, 0x00 },
+	{ STB0899_ISI_BIT_EN		, 0x00 },
+	{ STB0899_MATSTRM		, 0xf0 },
+	{ STB0899_MATSTRL		, 0x02 },
+	{ STB0899_UPLSTRM		, 0x45 },
+	{ STB0899_UPLSTRL		, 0x60 },
+	{ STB0899_DFLSTRM		, 0xe3 },
+	{ STB0899_DFLSTRL		, 0x00 },
+	{ STB0899_SYNCSTR		, 0x47 },
+	{ STB0899_SYNCDSTRM		, 0x05 },
+	{ STB0899_SYNCDSTRL		, 0x18 },
+	{ STB0899_CFGPDELSTATUS1	, 0x19 },
+	{ STB0899_CFGPDELSTATUS2	, 0x2b },
+	{ STB0899_BBFERRORM		, 0x00 },
+	{ STB0899_BBFERRORL		, 0x01 },
+	{ STB0899_UPKTERRORM		, 0x00 },
+	{ STB0899_UPKTERRORL		, 0x00 },
+	{ 0xffff			, 0xff },
+};
+
+
+
+struct stb0899_config az6027_stb0899_config = {
+	.init_dev		= az6027_stb0899_s1_init_1,
+	.init_s2_demod		= stb0899_s2_init_2,
+	.init_s1_demod		= az6027_stb0899_s1_init_3,
+	.init_s2_fec		= stb0899_s2_init_4,
+	.init_tst		= stb0899_s1_init_5,
+
+	.demod_address 		= 0xd0,//0x68, /*  0xd0 >> 1 */
+
+	.xtal_freq		= 27000000,
+	.inversion		= IQ_SWAP_ON, /* 1 */
+
+	.lo_clk			= 76500000,
+	.hi_clk			= 99000000,
+
+	.esno_ave		= STB0899_DVBS2_ESNO_AVE,
+	.esno_quant		= STB0899_DVBS2_ESNO_QUANT,
+	.avframes_coarse	= STB0899_DVBS2_AVFRAMES_COARSE,
+	.avframes_fine		= STB0899_DVBS2_AVFRAMES_FINE,
+	.miss_threshold		= STB0899_DVBS2_MISS_THRESHOLD,
+	.uwp_threshold_acq	= STB0899_DVBS2_UWP_THRESHOLD_ACQ,
+	.uwp_threshold_track	= STB0899_DVBS2_UWP_THRESHOLD_TRACK,
+	.uwp_threshold_sof	= STB0899_DVBS2_UWP_THRESHOLD_SOF,
+	.sof_search_timeout	= STB0899_DVBS2_SOF_SEARCH_TIMEOUT,
+
+	.btr_nco_bits		= STB0899_DVBS2_BTR_NCO_BITS,
+	.btr_gain_shift_offset	= STB0899_DVBS2_BTR_GAIN_SHIFT_OFFSET,
+	.crl_nco_bits		= STB0899_DVBS2_CRL_NCO_BITS,
+	.ldpc_max_iter		= STB0899_DVBS2_LDPC_MAX_ITER,
+
+	.tuner_get_frequency	= stb6100_get_frequency,
+	.tuner_set_frequency	= stb6100_set_frequency,
+	.tuner_set_bandwidth	= stb6100_set_bandwidth,
+	.tuner_get_bandwidth	= stb6100_get_bandwidth,
+	.tuner_set_rfsiggain	= NULL,
+};
+
+struct stb6100_config az6027_stb6100_config = {
+	.tuner_address	= 0xc0,
+	.refclock	= 27000000,
+};
+
+
+/* check for mutex FIXME */
+int az6027_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
+{
+	int ret = -1;
+	if(mutex_lock_interruptible(&d->usb_mutex)) {
+		return -EAGAIN;
+	}
+	ret = usb_control_msg(d->udev,
+		usb_rcvctrlpipe(d->udev,0),
+		req,
+		USB_TYPE_VENDOR | USB_DIR_IN,
+		value,index,b,blen,
+		2000);
+
+	if (ret < 0) {
+		warn("usb in operation failed. (%d)", ret);
+		ret = -EIO;
+	} else
+		ret = 0;
+
+
+	deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+	mutex_unlock(&d->usb_mutex);
+	return ret;
+}
+
+static int az6027_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
+			     u16 index, u8 *b, int blen)
+{
+	int ret;
+	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+	if(mutex_lock_interruptible(&d->usb_mutex)) {
+		return -EAGAIN;
+	}
+
+	if ((ret = usb_control_msg(d->udev,
+			usb_sndctrlpipe(d->udev,0),
+			req,
+			USB_TYPE_VENDOR | USB_DIR_OUT,
+			value,index,b,blen,
+			2000)) != blen) {
+		warn("usb out operation failed. (%d)",ret);
+		mutex_unlock(&d->usb_mutex);
+		return -EIO;
+	} else{
+		mutex_unlock(&d->usb_mutex);
+		return 0;
+	}
+}
+
+static int az6027_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	deb_info("%s %d",__func__,onoff);
+	req = 0xBC;
+	value = onoff;
+	index = 0;
+	blen =0;
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0) {
+		warn("usb out operation failed. (%d)",ret);
+	}
+	
+	//info("write CA
+	return ret;
+}
+
+/* keys for the enclosed remote control */
+static struct dvb_usb_rc_key az6027_rc_keys[] = {
+	{ 0x00, 0x01, KEY_1 },
+	{ 0x00, 0x02, KEY_2 },
+};
+
+/* remote control stuff (does not work with my box) */
+static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	return 0;
+}
+
+/*
+int az6027_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	u8 v = onoff;
+	return az6027_usb_out_op(d,0xBC,v,3,NULL,1);
+}
+*/
+
+static int az6027_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
+				 int			slot,
+				 int			address)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	u8 b[12];	
+	
+	//info ("%s %d", __func__, slot);
+	if (0 != slot)
+		return -EINVAL;
+	mutex_lock (&state->ca_mutex);
+
+	req = 0xC1;
+	value = address;
+	index = 0;
+	blen = 1;
+	ret = az6027_usb_in_op(d,req,value,index,b,blen);
+	if (ret < 0) {
+		warn("usb in operation failed. (%d)", ret);
+		ret = -EINVAL;
+	} else{
+		ret = b[0];
+		//info("CI MEM 0x%x = %x",address,b[0]);
+	}
+	//mdelay(10);
+	mutex_unlock (&state->ca_mutex);
+	return ret;
+}
+
+static int az6027_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
+				 int			slot,
+				 int			address,
+				 u8			value)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret;
+	u8 req;
+	u16 value1;
+	u16 index;
+	int blen;
+
+	deb_info ("%s %d", __func__, slot);
+	if (0 != slot)
+		return -EINVAL;
+	
+	mutex_lock (&state->ca_mutex);
+	req = 0xC2;
+	value1 = address;
+	index = value;
+	blen =0;
+	if((ret = az6027_usb_out_op(d,req,value1,index,NULL,blen)) != 0) {
+		warn("usb out operation failed. (%d)",ret);
+	}
+	//mdelay(10);
+	mutex_unlock (&state->ca_mutex);
+
+	return ret;
+}
+
+static int az6027_ci_read_cam_control(struct dvb_ca_en50221 *ca,
+				 int			slot,
+				 u8			address)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	u8 b[12];	
+	
+	//info ("%s %d", __func__, slot);
+	if (0 != slot)
+		return -EINVAL;
+	mutex_lock (&state->ca_mutex);
+
+	req = 0xC3;
+	value = address;
+	index = 0;
+	blen = 2;
+	ret = az6027_usb_in_op(d,req,value,index,b,blen);
+	if (ret < 0) {
+		warn("usb in operation failed. (%d)", ret);
+		ret = -EINVAL;
+	} else{
+		if(b[0] == 0)
+			warn("Read CI IO error");
+		ret = b[1];
+		deb_info("read cam data = %x from 0x%x",b[1],value);
+	}
+	//udelay(350);
+	mutex_unlock (&state->ca_mutex);
+	return ret;
+}
+
+static int az6027_ci_write_cam_control(struct dvb_ca_en50221 *ca,
+				 int			slot,
+				 u8			address,
+				 u8			value)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret;
+	u8 req;
+	u16 value1;
+	u16 index;
+	int blen;
+
+	//info ("%s %d", __func__, slot);
+	if (0 != slot)
+		return -EINVAL;
+	
+	mutex_lock (&state->ca_mutex);
+	req = 0xC4;
+	value1 = address;
+	index = value;
+	blen =0;
+	if((ret = az6027_usb_out_op(d,req,value1,index,NULL,blen)) != 0) {
+		warn("usb out operation failed. (%d)",ret);
+		goto failed;
+	}
+	//info("write CAM data(%x) to 0x%x ",index, value1);
+	//udelay(350);
+ failed:
+	mutex_unlock (&state->ca_mutex);
+	return ret;
+}
+
+static int CI_CamReady(struct dvb_ca_en50221 *ca,
+				 int			slot)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	u8 b[12];	
+
+	req = 0xC8;
+	value = 0;
+	index = 0;
+	blen = 1;
+	ret = az6027_usb_in_op(d,req,value,index,b,blen);
+	if (ret < 0) {
+		warn("usb in operation failed. (%d)", ret);
+		ret = -EIO;
+	} else{
+		ret = b[0];
+	}
+	return ret;
+}
+
+static int az6027_ci_slot_reset(struct dvb_ca_en50221 *ca,
+				 int			slot)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret,i;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+
+	mutex_lock (&state->ca_mutex);
+	
+	req = 0xC6;
+	value = 1;
+	index = 0;
+	blen =0;
+	if((ret = az6027_usb_out_op(d,req,value,index,NULL,blen)) != 0) {
+		warn("usb out operation failed. (%d)",ret);
+		goto failed;
+	}
+	msleep (500);
+	req = 0xC6;
+	value = 0;
+	index = 0;
+	blen =0;
+	if((ret = az6027_usb_out_op(d,req,value,index,NULL,blen)) != 0) {
+		warn("usb out operation failed. (%d)",ret);
+		goto failed;
+	}
+
+	for(i = 0;i < 15;i++)
+	{
+		msleep(100);
+		if(CI_CamReady(ca,slot))
+		{
+			deb_info("CAM Ready");
+			break;
+		}
+	}
+	msleep(5000);
+
+ failed:
+	mutex_unlock (&state->ca_mutex);
+
+	return ret;
+}
+
+static int az6027_ci_slot_shutdown(struct dvb_ca_en50221 *ca,
+				 int			slot)
+{
+	// do nothing here.
+	return 0;
+}
+
+static int az6027_ci_slot_ts_enable(struct dvb_ca_en50221 *ca,
+				 int			slot)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	deb_info("%s", __func__);
+	mutex_lock (&state->ca_mutex);
+	req = 0xC7;
+	value = 1;
+	index = 0;
+	blen =0;
+	if((ret = az6027_usb_out_op(d,req,value,index,NULL,blen)) != 0)
+	{
+		warn("usb out operation failed. (%d)",ret);
+		goto failed;
+	}
+ failed:
+	mutex_unlock (&state->ca_mutex);
+
+	return ret;
+}
+
+static int az6027_ci_poll_slot_status(struct dvb_ca_en50221 *ca,
+				 int			slot,
+				 int			open)
+{
+	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	u8 b[12];	
+	
+	mutex_lock (&state->ca_mutex);
+
+	req = 0xC5;
+	value = 0;
+	index = 0;
+	blen = 1;
+	ret = az6027_usb_in_op(d,req,value,index,b,blen);
+	if (ret < 0) {
+		warn("usb in operation failed. (%d)", ret);
+		ret = -EIO;
+	} else
+		ret = 0;
+	if(b[0] == 0)
+		ret = 0;
+	else if(b[0] == 1){
+		ret = (DVB_CA_EN50221_POLL_CAM_PRESENT |
+			DVB_CA_EN50221_POLL_CAM_READY);
+		//info("CAM IN slot = %d", slot);
+	}
+
+	mutex_unlock (&state->ca_mutex);
+	return ret;
+}
+
+
+static void az6027_ci_uninit(struct dvb_usb_device *d)
+{
+	struct az6027_device_state *state;
+
+	deb_info("%s", __func__);
+
+	if (NULL == d)
+		return;
+
+	state = (struct az6027_device_state *)d->priv;
+	if (NULL == state)
+		return;
+
+	if (NULL == state->ca.data)
+		return;
+
+	dvb_ca_en50221_release(&state->ca);
+
+	memset(&state->ca, 0, sizeof(state->ca));
+}
+
+
+static int az6027_ci_init(struct dvb_usb_adapter *a)
+{
+	struct dvb_usb_device *d = a->dev;
+	struct az6027_device_state *state = (struct az6027_device_state *)d->priv;
+	int ret;
+
+	deb_info ("%s", __func__);
+
+	mutex_init(&state->ca_mutex);
+
+	state->ca.owner = THIS_MODULE;
+	state->ca.read_attribute_mem = az6027_ci_read_attribute_mem;
+	state->ca.write_attribute_mem = az6027_ci_write_attribute_mem;
+	state->ca.read_cam_control = az6027_ci_read_cam_control;
+	state->ca.write_cam_control = az6027_ci_write_cam_control;
+	state->ca.slot_reset = az6027_ci_slot_reset;
+	state->ca.slot_shutdown = az6027_ci_slot_shutdown;
+	state->ca.slot_ts_enable = az6027_ci_slot_ts_enable;
+	state->ca.poll_slot_status = az6027_ci_poll_slot_status;
+	state->ca.data = d;
+
+	ret = dvb_ca_en50221_init (&a->dvb_adap,
+				   &state->ca,
+				   /* flags */ 0,
+				   /* n_slots */ 1);
+	if (0 != ret) {
+		err ("Cannot initialize CI: Error %d.", ret);
+		memset (&state->ca, 0, sizeof (state->ca));
+		return ret;
+	}
+
+	deb_info ("CI initialized.");
+
+	return 0;
+}
+
+
+static int az6027_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
+{
+	az6027_usb_in_op(d, 0xb7, 6, 0, &mac[0], 6);
+	return 0;
+}
+
+
+static int az6027_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+	
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	u8 buf;
+	struct i2c_msg i2c_msg = {
+		.addr	= 0x99,
+		.flags	= 0,
+		.buf	= &buf,
+		.len	= 1
+	};
+	int ret;
+	switch (voltage) {
+	case SEC_VOLTAGE_13:
+		buf = 1;// 2   --18v          1   --13v             0   --off
+		ret = i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
+		break;
+	case SEC_VOLTAGE_18:
+		buf = 2;// 2   --18v          1   --13v             0   --off
+		ret = i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
+		break;
+	case SEC_VOLTAGE_OFF:
+		buf = 0;// 2   --18v          1   --13v             0   --off
+		ret = i2c_transfer(&adap->dev->i2c_adap, &i2c_msg, 1);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+
+static int az6027_frontend_poweron(struct dvb_usb_adapter *adap)
+{
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+
+	req = 0xBC;
+	value = 1;//power on
+	index = 3;
+	blen =0;
+
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
+		   return -EIO;
+	return 0;
+}
+static int az6027_frontend_reset(struct dvb_usb_adapter *adap)
+{
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+
+	//reset demodulator
+	req = 0xC0;
+	value = 1;//high
+	index = 3;
+	blen =0;
+
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
+		   return -EIO;
+	
+	req = 0xC0;
+	value = 0;//low
+	index = 3;
+	blen =0;
+	msleep_interruptible(200);
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
+		   return -EIO;
+	msleep_interruptible(200);
+	req = 0xC0;
+	value = 1;//high
+	index = 3;
+	blen =0;
+
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
+		   return -EIO;
+	msleep_interruptible(200);
+	return 0;
+}
+
+static int az6027_frontend_tsbypass(struct dvb_usb_adapter *adap,int onoff)
+{
+	int ret;
+	u8 req;
+	u16 value;
+	u16 index;
+	int blen;
+	//TS through
+	req = 0xC7;
+	value = onoff;
+	index = 0;
+	blen =0;
+
+	if((ret = az6027_usb_out_op(adap->dev,req,value,index,NULL,blen)) != 0)
+		   return -EIO;
+	return 0;
+}
+
+static int az6027_frontend_attach(struct dvb_usb_adapter *adap)
+{
+
+	az6027_frontend_poweron(adap);
+	az6027_frontend_reset(adap);
+	deb_info("adap = %p,dev = %p\n",adap, adap->dev);
+	adap->fe = stb0899_attach(&az6027_stb0899_config, &adap->dev->i2c_adap);
+	if (adap->fe) {
+		deb_info("found STB0899 DVB-S/DVB-S2 frontend @0x%02x",az6027_stb0899_config.demod_address);
+		if (stb6100_attach(adap->fe, &az6027_stb6100_config, &adap->dev->i2c_adap)) {
+			deb_info("found STB6100 DVB-S/DVB-S2 frontend @0x%02x",az6027_stb6100_config.tuner_address);
+			adap->fe->ops.set_voltage = az6027_set_voltage;
+			az6027_ci_init(adap);
+		} else {
+			adap->fe = NULL;
+		}
+	}
+	else
+		warn("no front-end attached\n");
+
+
+	az6027_frontend_tsbypass(adap,0);
+
+	return 0;
+}
+
+static struct dvb_usb_device_properties az6027_properties;
+
+static void
+az6027_usb_disconnect(struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata (intf);
+	az6027_ci_uninit (d);
+	dvb_usb_device_exit (intf);
+}
+
+
+static int az6027_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	return dvb_usb_device_init(intf, &az6027_properties,
+				   THIS_MODULE, NULL, adapter_nr);
+}
+
+/* I2C */
+static int az6027_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
+{
+	struct dvb_usb_device *d = i2c_get_adapdata(adap);
+	int i=0,j=0,len=0;
+	int ret;
+	u16 index;
+	u16 value;
+	int length;
+	u8 req;
+	u8 data[256];
+	
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+		return -EAGAIN;
+	//err("i2c func called\n");
+	if (num > 2)
+		warn("more than 2 i2c messages at a time is not handled yet. TODO.");
+
+	for (i = 0; i < num; i++) {
+		if(msg[i].addr == 0x99) {
+			req = 0xBE;
+			index = 0;
+			value = msg[i].buf[0] & 0x00ff;
+			length = 1;
+			az6027_usb_out_op(d,req,value,index,data,length);
+		}
+		if(msg[i].addr == 0xd0){
+			/* write/read request */
+			if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
+/*				
+				err("i2c read ");
+				err("addr0 = 0x%x",msg[i].addr);
+				err("buf0 = 0x%02x  0x%02x",msg[i].buf[0],msg[i].buf[1]);
+				err("len0 = %d",msg[i].len);
+				err("addr1 = 0x%x",msg[i+1].addr);
+				err("buf1 = 0x%02x 0x%02x",msg[i+1].buf[0],  *msg[i+1].buf);
+				err("len1 = %d",msg[i+1].len);	
+	
+*/
+				req = 0xB9;
+				index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
+				value = msg[i].addr + (msg[i].len << 8);
+				length = msg[i+1].len + 6;
+				//err("in: req. %02x, val: %04x, ind: %04x\n",req,value,index);
+				ret = az6027_usb_in_op(d,req,value,index,data,length);
+				//err("ret = %d data = %02x %02x",ret,data[5],data[6]);
+				len = msg[i+1].len;
+				for (j=0; j<len; j++)
+				{
+					msg[i+1].buf[j] = data[j+5];	
+				}
+				i++;
+				//err("11111");
+			}
+			else
+			{
+				//err("i2c write ");
+				//err("addr = 0x%x\n",msg[i].addr);
+				//err("buf = 0x%02x  0x%02x\n",msg[i].buf[0],msg[i].buf[1]);
+				//err("len = %d",msg[i].len);
+				if(msg[i].addr == 0xd0)//demod 16bit addr
+				{
+					req = 0xBD;
+					index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));//(msg[i].buf[0]<< 8) + msg[i].buf[1];
+					value = msg[i].addr + (2 << 8);
+					length = msg[i].len - 2;
+					len = msg[i].len - 2;
+					for(j=0;j<len;j++)
+					{
+						data[j] = msg[i].buf[j+2];
+					}
+				}
+				//err("out: req. %02x, val: %04x, ind: %04x\n",req,value,index);
+				az6027_usb_out_op(d,req,value,index,data,length);
+				//err("22222");
+			}
+		}
+		if(msg[i].addr == 0xc0){
+			if (msg[i].flags & I2C_M_RD) {
+				
+				//err("i2c read ");
+				//err("addr0 = 0x%x",msg[i].addr);
+				//err("len0 = %d",msg[i].len);
+				
+				req = 0xB9;
+				index = 0x0;
+				value = msg[i].addr ;//+ (1 << 8);
+				length = msg[i].len + 6;
+				//err("in: req. %02x, val: %04x, ind: %04x\n",req,value,index);
+				ret = az6027_usb_in_op(d,req,value,index,data,length);
+				//err("ret = %d data = %02x %02x",ret,data[5],data[6]);
+				len = msg[i].len;
+				for (j=0; j<len; j++)
+				{
+					msg[i].buf[j] = data[j+5];	
+				}
+			}
+			else{
+				//err("i2c write ");
+				//err("addr0 = 0x%x",msg[i].addr);
+				//err("buf0 = 0x%x",msg[i].buf[0]);
+				//err("len0 = %d",msg[i].len);
+				
+				req = 0xBD;
+				index = msg[i].buf[0] & 0x00FF;
+				value = msg[i].addr + (1 << 8);
+				length = msg[i].len - 1;
+				len = msg[i].len - 1;
+				for(j=0;j<len;j++)
+				{
+					data[j] = msg[i].buf[j+1];
+				}
+				//err("out: req. %02x, val: %04x, ind: %04x\n",req,value,index);
+				az6027_usb_out_op(d,req,value,index,data,length);
+			}
+		}
+	}	
+	mutex_unlock(&d->i2c_mutex);
+	
+	return i;
+}
+
+
+static u32 az6027_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm az6027_i2c_algo = {
+	.master_xfer   = az6027_i2c_xfer,
+	.functionality = az6027_i2c_func,
+};
+
+
+int az6027_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
+			struct dvb_usb_device_description **desc, int *cold)
+{
+	u8 b[16];
+	s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0),
+		0xb7, USB_TYPE_VENDOR | USB_DIR_IN, 6, 0, b, 6, USB_CTRL_GET_TIMEOUT);
+
+	//info("FW GET_VERSION length: %d\n",ret);
+
+	*cold = ret <= 0;
+
+	deb_info("cold: %d\n", *cold);
+	return 0;
+}
+
+
+static struct usb_device_id az6027_usb_table [] = {
+            { USB_DEVICE(USB_VID_TERRATEC, USB_PID_AZUREWAVE_AZ6027) },
+	  // { USB_DEVICE(0x0fd9, 0x002a) },
+	    { 0 },
+};
+
+MODULE_DEVICE_TABLE(usb, az6027_usb_table);
+
+static struct dvb_usb_device_properties az6027_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+	.usb_ctrl = CYPRESS_FX2,
+	//.download_firmware = az6027_download_firmware,
+	.firmware            = "dvb-usb-az6027-03.fw",
+	.no_reconnect        = 1,
+
+	.size_of_priv     = sizeof(struct az6027_device_state),
+	.identify_state		= az6027_identify_state,
+	.num_adapters = 1,
+	.adapter = {
+		{
+			//.caps             = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
+
+			.streaming_ctrl   = az6027_streaming_ctrl,
+			.frontend_attach  = az6027_frontend_attach,
+
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 10,
+				.endpoint = 0x02,
+				.u = {
+					.bulk = {
+						.buffersize = 4096,
+					}
+				}
+			},
+		}
+	},
+	//.power_ctrl       = az6027_power_ctrl,
+	//.read_mac_address = az6027_read_mac_addr,
+
+	.rc_key_map       = az6027_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(az6027_rc_keys),
+	.rc_interval      = 400,
+	.rc_query         = az6027_rc_query,
+	.i2c_algo         = &az6027_i2c_algo,
+
+	.num_device_descs = 1,
+	.devices = {
+		{ .name = "AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)",
+		  .cold_ids = { &az6027_usb_table[0], NULL },
+		  .warm_ids = { NULL },
+		},
+ 		{ NULL },
+	}
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver az6027_usb_driver = {
+	.name		= "dvb_usb_az6027",
+	.probe 		= az6027_usb_probe,
+	//.disconnect = dvb_usb_device_exit,
+	.disconnect 	= az6027_usb_disconnect,
+	.id_table 	= az6027_usb_table,
+};
+
+/* module stuff */
+static int __init az6027_usb_module_init(void)
+{
+	int result;
+	if ((result = usb_register(&az6027_usb_driver))) {
+		err("usb_register failed. (%d)",result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit az6027_usb_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&az6027_usb_driver);
+}
+
+module_init(az6027_usb_module_init);
+module_exit(az6027_usb_module_exit);
+
+MODULE_AUTHOR("Adams Xu <Adams.xu@azwave.com.cn>");
+MODULE_DESCRIPTION("Driver for AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");