B2C2 / FlexCop driver rewrite

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/b2c2-common.c
===================================================================
@@ -1,214 +0,0 @@
-/*
- * b2c2-common.c - common methods for the B2C2/Technisat SkyStar2 PCI DVB card and
- *                 for the B2C2/Technisat Sky/Cable/AirStar USB devices
- *                 based on the FlexCopII/FlexCopIII by B2C2, Inc.
- *
- * Copyright (C) 2003  Vadim Catana, [email protected]
- *
- * FIX: DISEQC Tone Burst in flexcop_diseqc_ioctl()
- * FIX: FULL soft DiSEqC for skystar2 (FlexCopII rev 130) VP310 equipped
- *     Vincenzo Di Massa, hawk.it at tiscalinet.it
- *
- * Converted to Linux coding style
- * Misc reorganization, polishing, restyling
- *     Roberto Ragusa, r.ragusa at libero.it
- *
- * Added hardware filtering support,
- *     Niklas Peinecke, peinecke at gdv.uni-hannover.de
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
- */
-#include "stv0299.h"
-#include "mt352.h"
-#include "mt312.h"
-
-static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
-{
-	u8 aclk = 0;
-	u8 bclk = 0;
-
-	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
-	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
-	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
-	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
-	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
-	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
-
-	stv0299_writereg (fe, 0x13, aclk);
-	stv0299_writereg (fe, 0x14, bclk);
-	stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
-	stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
-	stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);
-
-	return 0;
-}
-
-static int samsung_tbmu24112_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
-{
-	u8 buf[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
-//	struct adapter* adapter = (struct adapter*) fe->dvb->priv;
-
-	div = params->frequency / 125;
-
-	buf[0] = (div >> 8) & 0x7f;
-	buf[1] = div & 0xff;
-	buf[2] = 0x84;  // 0xC4
-	buf[3] = 0x08;
-
-	if (params->frequency < 1500000) buf[3] |= 0x10;
-
-//	if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static u8 samsung_tbmu24112_inittab[] = {
-	     0x01, 0x15,
-	     0x02, 0x30,
-	     0x03, 0x00,
-	     0x04, 0x7D,
-	     0x05, 0x35,
-	     0x06, 0x02,
-	     0x07, 0x00,
-	     0x08, 0xC3,
-	     0x0C, 0x00,
-	     0x0D, 0x81,
-	     0x0E, 0x23,
-	     0x0F, 0x12,
-	     0x10, 0x7E,
-	     0x11, 0x84,
-	     0x12, 0xB9,
-	     0x13, 0x88,
-	     0x14, 0x89,
-	     0x15, 0xC9,
-	     0x16, 0x00,
-	     0x17, 0x5C,
-	     0x18, 0x00,
-	     0x19, 0x00,
-	     0x1A, 0x00,
-	     0x1C, 0x00,
-	     0x1D, 0x00,
-	     0x1E, 0x00,
-	     0x1F, 0x3A,
-	     0x20, 0x2E,
-	     0x21, 0x80,
-	     0x22, 0xFF,
-	     0x23, 0xC1,
-	     0x28, 0x00,
-	     0x29, 0x1E,
-	     0x2A, 0x14,
-	     0x2B, 0x0F,
-	     0x2C, 0x09,
-	     0x2D, 0x05,
-	     0x31, 0x1F,
-	     0x32, 0x19,
-	     0x33, 0xFE,
-	     0x34, 0x93,
-	     0xff, 0xff,
-};
-
-static struct stv0299_config samsung_tbmu24112_config = {
-	.demod_address = 0x68,
-	.inittab = samsung_tbmu24112_inittab,
-	.mclk = 88000000UL,
-	.invert = 0,
-	.enhanced_tuning = 0,
-	.skip_reinit = 0,
-	.lock_output = STV0229_LOCKOUTPUT_LK,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
-   	.pll_set = samsung_tbmu24112_pll_set,
-};
-
-
-
-
-
-static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
-{
-	static u8 mt352_clock_config [] = { 0x89, 0x10, 0x2d };
-	static u8 mt352_reset [] = { 0x50, 0x80 };
-	static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
-	static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0xa1 };
-	static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
-
-	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
-	udelay(2000);
-	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
-	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
-
-	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
-	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
-
-	return 0;
-}
-
-static int samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
-{
-	u32 div;
-	unsigned char bs = 0;
-
-	#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
-	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
-
-	if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
-	if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
-	if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;
-
-	pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
-	pllbuf[1] = div >> 8;
-   	pllbuf[2] = div & 0xff;
-   	pllbuf[3] = 0xcc;
-   	pllbuf[4] = bs;
-
-	return 0;
-}
-
-static struct mt352_config samsung_tdtc9251dh0_config = {
-
-	.demod_address = 0x0f,
-	.demod_init = samsung_tdtc9251dh0_demod_init,
-   	.pll_set = samsung_tdtc9251dh0_pll_set,
-};
-
-static int skystar23_samsung_tbdu18132_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
-{
-	u8 buf[4];
-	u32 div;
-	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
-//	struct adapter* adapter = (struct adapter*) fe->dvb->priv;
-
-	div = (params->frequency + (125/2)) / 125;
-
-	buf[0] = (div >> 8) & 0x7f;
-	buf[1] = (div >> 0) & 0xff;
-	buf[2] = 0x84 | ((div >> 10) & 0x60);
-	buf[3] = 0x80;
-
-	if (params->frequency < 1550000)
-		buf[3] |= 0x02;
-
-	//if (i2c_transfer (&adapter->i2c_adap, &msg, 1) != 1) return -EIO;
-	return 0;
-}
-
-static struct mt312_config skystar23_samsung_tbdu18132_config = {
-
-	.demod_address = 0x0e,
-   	.pll_set = skystar23_samsung_tbdu18132_pll_set,
-};

549 lines not on this page · raw message

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-hw-filter.c
===================================================================
@@ -159,7 +159,7 @@ int flexcop_pid_feed_control(struct flex
 	} else if (fc->feedcount == onoff && !onoff) {
 		if (!fc->pid_filtering) {
 			deb_ts("disabling full TS transfer\n");
-			flexcop_pid_group_filter(fc, 0x1fe0,0);
+			flexcop_pid_group_filter(fc, 0, 0x1fe0);
 			flexcop_pid_group_filter_ctrl(fc,0);
 		}
 

@@ -175,7 +175,7 @@ int flexcop_pid_feed_control(struct flex
 		flexcop_pid_group_filter(fc, 0,0);
 		flexcop_pid_group_filter_ctrl(fc,1);
 	} else if (fc->pid_filtering && fc->feedcount <= max_pid_filter) {
-		flexcop_pid_group_filter(fc, 0x1fe0,0);
+		flexcop_pid_group_filter(fc, 0,0x1fe0);
 		flexcop_pid_group_filter_ctrl(fc,0);
 	}
 

@@ -189,10 +189,13 @@ void flexcop_hw_filter_init(struct flexc
 	for (i = 0; i < 6 + 32*fc->has_32_hw_pid_filter; i++)
 		flexcop_pid_control(fc,i,0x1fff,0);
 
-	flexcop_pid_group_filter(fc, 0x1fe0,0);
+	flexcop_pid_group_filter(fc, 0, 0x1fe0);
+	flexcop_pid_group_filter_ctrl(fc,0);
 
 	v = fc->read_ibi_reg(fc,pid_filter_308);
 	v.pid_filter_308.EMM_filter_4 = 1;
 	v.pid_filter_308.EMM_filter_6 = 0;
 	fc->write_ibi_reg(fc,pid_filter_308,v);
+
+	flexcop_null_filter_ctrl(fc, 1);
 }

59 lines not on this page · raw message

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-usb.h
===================================================================
@@ -21,6 +21,9 @@ struct flexcop_usb {
 	struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
 
 	struct flexcop_device *fc_dev;
+
+	u8 tmp_buffer[1023+190];
+	int tmp_buffer_length;
 };
 
 #if 0

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-common.h
===================================================================
@@ -57,7 +57,6 @@ struct flexcop_device {
 	int init_state;
 
 	/* device information */
-	u8 mac_address[6];
 	int has_32_hw_pid_filter;
 	flexcop_revision_t rev;
 	flexcop_device_type_t dev_type;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-eeprom.c
===================================================================
@@ -129,8 +129,6 @@ static int flexcop_eeprom_lrc_read(struc
 	return ret;
 }
 
-/* TODO how is it handled in USB */
-
 /* JJ's comment about extended == 1: it is not presently used anywhere but was
  * added to the low-level functions for possible support of EUI64
  */

@@ -139,18 +137,16 @@ int flexcop_eeprom_check_mac_addr(struct
 	u8 buf[8];
 	int ret = 0;
 
-	memset(fc->mac_address,0,6);
-
 	if ((ret = flexcop_eeprom_lrc_read(fc,0x3f8,buf,8,4)) == 0) {
 		if (extended != 0) {
 			err("TODO: extended (EUI64) MAC addresses aren't completely supported yet");
 			ret = -EINVAL;
-/*			memcpy(fc->mac_address,buf,3);
+/*			memcpy(fc->dvb_adapter.proposed_mac,buf,3);
 			mac[3] = 0xfe;
 			mac[4] = 0xff;
-			memcpy(&fc->mac_address[3],&buf[5],3); */
+			memcpy(&fc->dvb_adapter.proposed_mac[3],&buf[5],3); */
 		} else
-			memcpy(fc->mac_address,buf,6);
+			memcpy(fc->dvb_adapter.proposed_mac,buf,6);
 	}
 	return ret;
 }

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-usb.c
===================================================================
@@ -180,7 +180,8 @@ static int flexcop_usb_memory_req(struct
 
 static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended)
 {
-	return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM,V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->mac_address,6);
+	return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM,
+			V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6);
 }
 
 #if 0

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop.c
===================================================================
@@ -233,16 +233,18 @@ int flexcop_device_initialize(struct fle
 
 	flexcop_smc_ctrl(fc, 0);
 
+	if ((ret = flexcop_dvb_init(fc)))
+		goto error;
+
+	/* do the MAC address reading after initializing the dvb_adapter */
 	if (fc->get_mac_addr(fc, 0) == 0) {
-		u8 *b = fc->mac_address;
+		u8 *b = fc->dvb_adapter.proposed_mac;
 		info("MAC address = %02x:%02x:%02x:%02x:%02x:%02x", b[0],b[1],b[2],b[3],b[4],b[5]);
-		flexcop_set_mac_filter(fc,fc->mac_address);
+		flexcop_set_mac_filter(fc,b);
 		flexcop_mac_filter_ctrl(fc,1);
 	} else
 		warn("reading of MAC address failed.\n");
 
-	if ((ret = flexcop_dvb_init(fc)))
-		goto error;
 
 	if ((ret = flexcop_i2c_init(fc)))
 		goto error;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-pci.c
===================================================================
@@ -53,6 +53,8 @@ struct flexcop_pci {
 	int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
 	u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */
 
+	spinlock_t irq_lock;
+
 	struct flexcop_device *fc_dev;
 };
 

@@ -93,6 +95,9 @@ static irqreturn_t flexcop_pci_irq(int i
 	struct flexcop_pci *fc_pci = dev_id;
 	struct flexcop_device *fc = fc_pci->fc_dev;
 	flexcop_ibi_value v = fc->read_ibi_reg(fc,irq_20c);
+	irqreturn_t ret = IRQ_HANDLED;
+
+	spin_lock_irq(&fc_pci->irq_lock);
 
 	deb_irq("irq: %08x cur_addr: %08x (%d), our addrs. 1: %08x 2: %08x; 0x000: "
 			"%08x, 0x00c: %08x\n",v.raw,

@@ -102,6 +107,7 @@ static irqreturn_t flexcop_pci_irq(int i
 			fc->read_ibi_reg(fc,dma1_000).raw,
 			fc->read_ibi_reg(fc,dma1_00c).raw);
 
+
 	if (v.irq_20c.DMA1_IRQ_Status == 1) {
 		if (fc_pci->active_dma1_addr == 0)
 			flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);

@@ -134,14 +140,17 @@ static irqreturn_t flexcop_pci_irq(int i
 		}
 
 		fc_pci->last_dma1_cur_pos = cur_pos;
-	}
+	} else
+		ret = IRQ_NONE;
+
+	spin_unlock_irq(&fc_pci->irq_lock);
 
 /* packet count would be ideal for hw filtering, but it isn't working. Either
  * the data book is wrong, or I'm unable to read it correctly */
 
 /*	if (v.irq_20c.DMA1_Size_IRQ_Status == 1) { packet counter */
 
-	return IRQ_HANDLED;
+	return ret;
 }
 
 static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff)

@@ -240,6 +249,8 @@ static int flexcop_pci_init(struct flexc
 					SA_SHIRQ, DRIVER_NAME, fc_pci)) != 0)
 		goto err_pci_iounmap;
 
+	spin_lock_init(&fc_pci->irq_lock);
+
 	fc_pci->init_state |= FC_PCI_INIT;
 	goto success;
 

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-hw-filter.c
===================================================================
@@ -104,6 +104,9 @@ static void flexcop_pid_ECM_PID_ctrl(str
 
 static void flexcop_pid_control(struct flexcop_device *fc, int index, u16 pid,int onoff)
 {
+	if (pid == 0x2000)
+		return;
+
 	deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid,pid,index,onoff ? "on" : "off");
 
 	/* We could use bit magic here to reduce source code size.

@@ -133,50 +136,50 @@ static void flexcop_pid_control(struct f
 	}
 }
 
+static int flexcop_toggle_fullts_streaming(struct flexcop_device *fc,int onoff)
+{
+	if (fc->fullts_streaming_state != onoff) {
+		deb_ts("%s full TS transfer\n",onoff ? "enabling" : "disabling");
+		flexcop_pid_group_filter(fc, 0, 0x1fe0 * (!onoff));
+		flexcop_pid_group_filter_ctrl(fc,onoff);
+		fc->fullts_streaming_state = onoff;
+	}
+	return 0;
+}
+
 int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff)
 {
 	int max_pid_filter = 6 + fc->has_32_hw_pid_filter*32;
 
-	fc->feedcount += (onoff ? 1 : -1);
+	fc->feedcount += onoff ? 1 : -1;
+	if (dvbdmxfeed->index >= max_pid_filter)
+		fc->extra_feedcount += onoff ? 1 : -1;
+
+	/* toggle complete-TS-streaming when:
+	 * - pid_filtering is not enabled and it is the first or last feed requested
+	 * - pid_filtering is enabled,
+	 *   - but the number of requested feeds is exceeded
+	 *   - or the requested pid is 0x2000 */
 
-	/* when doing hw pid filtering, set the pid */
-	if (fc->pid_filtering)
-		flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff);
+	if (!fc->pid_filtering && fc->feedcount == onoff)
+		flexcop_toggle_fullts_streaming(fc,onoff);
 
-	/* if it was the first feed request */
-	if (fc->feedcount == onoff && onoff) {
-		if (!fc->pid_filtering) {
-			deb_ts("enabling full TS transfer\n");
-			flexcop_pid_group_filter(fc, 0,0);
-			flexcop_pid_group_filter_ctrl(fc,1);
-		}
-
-		if (fc->stream_control)
-			fc->stream_control(fc,1);
-		flexcop_rcv_data_ctrl(fc,1);
-
-	/* if there is no more feed left to feed */
-	} else if (fc->feedcount == onoff && !onoff) {
-		if (!fc->pid_filtering) {
-			deb_ts("disabling full TS transfer\n");
-			flexcop_pid_group_filter(fc, 0, 0x1fe0);
-			flexcop_pid_group_filter_ctrl(fc,0);
-		}
+	if (fc->pid_filtering) {
+		flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff);
 
-		flexcop_rcv_data_ctrl(fc,0);
-		if (fc->stream_control)
-			fc->stream_control(fc,0);
+		if (fc->extra_feedcount > 0)
+			flexcop_toggle_fullts_streaming(fc,1);
+		else if (dvbdmxfeed->pid == 0x2000)
+			flexcop_toggle_fullts_streaming(fc,onoff);
+		else
+			flexcop_toggle_fullts_streaming(fc,0);
 	}
 
-	/* if pid_filtering is on and more pids than the hw-filter can provide are
-	 * requested enable the whole bandwidth.
-	 */
-	if (fc->pid_filtering && fc->feedcount > max_pid_filter) {
-		flexcop_pid_group_filter(fc, 0,0);
-		flexcop_pid_group_filter_ctrl(fc,1);
-	} else if (fc->pid_filtering && fc->feedcount <= max_pid_filter) {
-		flexcop_pid_group_filter(fc, 0,0x1fe0);
-		flexcop_pid_group_filter_ctrl(fc,0);
+	/* if it was the first or last feed request change the stream-status */
+	if (fc->feedcount == onoff) {
+		flexcop_rcv_data_ctrl(fc,onoff);
+		if (fc->stream_control)
+			fc->stream_control(fc,onoff);
 	}
 
 	return 0;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-pci.c
===================================================================
@@ -9,7 +9,7 @@
 #define FC_LOG_PREFIX "flexcop-pci"
 #include "flexcop-common.h"
 
-static int enable_pid_filtering = 0;
+static int enable_pid_filtering = 1;
 module_param(enable_pid_filtering, int, 0444);
 MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1");
 

@@ -45,13 +45,14 @@ struct flexcop_pci {
 	void __iomem *io_mem;
 	u32 irq;
 /* buffersize (at least for DMA1, need to be % 188 == 0,
- * this is logic is required */
+ * this logic is required */
 #define FC_DEFAULT_DMA1_BUFSIZE (1280 * 188)
 #define FC_DEFAULT_DMA2_BUFSIZE (10 * 188)
 	struct flexcop_dma dma[2];
 
 	int active_dma1_addr; /* 0 = addr0 of dma1; 1 = addr1 of dma1 */
 	u32 last_dma1_cur_pos; /* position of the pointer last time the timer/packet irq occured */
+	int count;
 
 	spinlock_t irq_lock;
 

@@ -99,15 +100,6 @@ static irqreturn_t flexcop_pci_irq(int i
 
 	spin_lock_irq(&fc_pci->irq_lock);
 
-	deb_irq("irq: %08x cur_addr: %08x (%d), our addrs. 1: %08x 2: %08x; 0x000: "
-			"%08x, 0x00c: %08x\n",v.raw,
-			fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2,
-			fc_pci->active_dma1_addr,
-			fc_pci->dma[0].dma_addr0,fc_pci->dma[0].dma_addr1,
-			fc->read_ibi_reg(fc,dma1_000).raw,
-			fc->read_ibi_reg(fc,dma1_00c).raw);
-
-
 	if (v.irq_20c.DMA1_IRQ_Status == 1) {
 		if (fc_pci->active_dma1_addr == 0)
 			flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);

@@ -123,21 +115,28 @@ static irqreturn_t flexcop_pci_irq(int i
 			fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
 		u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
 
+		deb_irq("irq: %08x cur_addr: %08x: cur_pos: %08x, last_cur_pos: %08x ",
+				v.raw,cur_addr,cur_pos,fc_pci->last_dma1_cur_pos);
+
 		/* buffer end was reached, restarted from the beginning
 		 * pass the data from last_cur_pos to the buffer end to the demux
 		 */
 		if (cur_pos < fc_pci->last_dma1_cur_pos) {
+			deb_irq(" end was reached: passing %d bytes ",(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
 			flexcop_pass_dmx_data(fc_pci->fc_dev,
 					fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
-					(fc_pci->dma[0].size*2 - 1) - fc_pci->last_dma1_cur_pos);
+					(fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos);
 			fc_pci->last_dma1_cur_pos = 0;
+			fc_pci->count = 0;
 		}
 
 		if (cur_pos > fc_pci->last_dma1_cur_pos) {
+			deb_irq(" passing %d bytes ",cur_pos - fc_pci->last_dma1_cur_pos);
 			flexcop_pass_dmx_data(fc_pci->fc_dev,
 					fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
 					cur_pos - fc_pci->last_dma1_cur_pos);
 		}
+		deb_irq("\n");
 
 		fc_pci->last_dma1_cur_pos = cur_pos;
 	} else

@@ -301,6 +300,11 @@ static int flexcop_pci_probe(struct pci_
 
 	fc->stream_control = flexcop_pci_stream_control;
 
+	if (enable_pid_filtering)
+		info("will use the HW PID filter.");
+	else
+		info("will pass the complete TS to the demuxer.");
+
 	fc->pid_filtering = enable_pid_filtering;
 	fc->bus_type = FC_PCI;
 

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-common.h
===================================================================
@@ -76,8 +76,10 @@ struct flexcop_device {
 	struct semaphore i2c_sem;
 
 	/* options and status */
+	int extra_feedcount;
 	int feedcount;
 	int pid_filtering;
+	int fullts_streaming_state;
 
 	/* bus specific callbacks */
 	flexcop_ibi_value (*read_ibi_reg)  (struct flexcop_device *, flexcop_ibi_register);

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-common.h
===================================================================
@@ -75,6 +75,8 @@ struct flexcop_device {
 	struct i2c_adapter i2c_adap;
 	struct semaphore i2c_sem;
 
+	struct module *owner;
+
 	/* options and status */
 	int extra_feedcount;
 	int feedcount;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-pci.c
===================================================================
@@ -309,6 +309,7 @@ static int flexcop_pci_probe(struct pci_
 	fc->bus_type = FC_PCI;
 
 	fc->dev = &pdev->dev;
+	fc->owner = THIS_MODULE;
 
 /* bus specific part */
 	fc_pci->pdev = pdev;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-usb.c
===================================================================
@@ -498,6 +498,7 @@ static int flexcop_usb_probe(struct usb_
 	fc->bus_type = FC_USB;
 
 	fc->dev = &udev->dev;
+	fc->owner = THIS_MODULE;
 
 /* bus specific part */
 	fc_usb->udev = udev;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop.c
===================================================================
@@ -67,7 +67,7 @@ static int flexcop_dvb_stop_feed(struct 
 static int flexcop_dvb_init(struct flexcop_device *fc)
 {
 	int ret;
-	if ((ret = dvb_register_adapter(&fc->dvb_adapter,"FlexCop Digital TV device",THIS_MODULE)) < 0) {
+	if ((ret = dvb_register_adapter(&fc->dvb_adapter,"FlexCop Digital TV device",fc->owner)) < 0) {
 		err("error registering DVB adapter");
 		return ret;
 	}

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-i2c.c
===================================================================
@@ -9,9 +9,9 @@
 
 #define FC_MAX_I2C_RETRIES 100000
 
-static int flexcop_i2c_operation(struct flexcop_device *fc, flexcop_ibi_value *r100, int max_ack_errors)
+static int flexcop_i2c_operation(struct flexcop_device *fc, flexcop_ibi_value *r100)
 {
-	int i,ack_errors = 0;
+	int i;
 	flexcop_ibi_value r;
 
 	r100->tw_sm_c_100.working_start = 1;

@@ -31,11 +31,7 @@ static int flexcop_i2c_operation(struct 
 			}
 		} else {
 			deb_i2c("suffering from an i2c ack_error\n");
-			if (++ack_errors >= max_ack_errors)
-				break;
-
-			fc->write_ibi_reg(fc, tw_sm_c_100, ibi_zero);
-			fc->write_ibi_reg(fc, tw_sm_c_100, *r100);
+			return -EREMOTEIO;
 		}
 	}
 	deb_i2c("tried %d times i2c operation, never finished or too many ack errors.\n",i);

@@ -48,19 +44,30 @@ static int flexcop_i2c_read4(struct flex
 	int len = r100.tw_sm_c_100.total_bytes, /* remember total_bytes is buflen-1 */
 		ret;
 
-	if ((ret = flexcop_i2c_operation(fc,&r100,30)) != 0)
-		return ret;
-
-	r104 = fc->read_ibi_reg(fc,tw_sm_c_104);
-
-	deb_i2c("read: r100: %08x, r104: %08x\n",r100.raw,r104.raw);
+	if ((ret = flexcop_i2c_operation(fc,&r100)) != 0) {
+		/* The Cablestar needs a different kind of i2c-transfer (does not
+		 * support "Repeat Start"):
+		 * wait for the ACK failure,
+		 * and do a subsequent read with the Bit 30 enabled
+		 */
+		r100.tw_sm_c_100.no_base_addr_ack_error = 1;
+		if ((ret = flexcop_i2c_operation(fc,&r100)) != 0) {
+			deb_i2c("no_base_addr read failed. %d\n",ret);
+			return ret;
+		}
+	}
 
-	/* there is at least one byte, otherwise we wouldn't be here */
 	buf[0] = r100.tw_sm_c_100.data1_reg;
 
-	if (len > 0) buf[1] = r104.tw_sm_c_104.data2_reg;
-	if (len > 1) buf[2] = r104.tw_sm_c_104.data3_reg;
-	if (len > 2) buf[3] = r104.tw_sm_c_104.data4_reg;
+	if (len > 0) {
+		r104 = fc->read_ibi_reg(fc,tw_sm_c_104);
+		deb_i2c("read: r100: %08x, r104: %08x\n",r100.raw,r104.raw);
+
+		/* there is at least one more byte, otherwise we wouldn't be here */
+		buf[1] = r104.tw_sm_c_104.data2_reg;
+		if (len > 1) buf[2] = r104.tw_sm_c_104.data3_reg;
+		if (len > 2) buf[3] = r104.tw_sm_c_104.data4_reg;
+	}
 
 	return 0;
 }

@@ -82,9 +89,45 @@ static int flexcop_i2c_write4(struct fle
 
 	/* write the additional i2c data before doing the actual i2c operation */
 	fc->write_ibi_reg(fc,tw_sm_c_104,r104);
+	return flexcop_i2c_operation(fc,&r100);
+}
+
+int flexcop_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op,
+		flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len)
+{
+	int ret;
+	u16 bytes_to_transfer;
+	flexcop_ibi_value r100;
+
+	deb_i2c("op = %d\n",op);
+	r100.raw = 0;
+	r100.tw_sm_c_100.chipaddr = chipaddr;
+	r100.tw_sm_c_100.twoWS_rw = op;
+	r100.tw_sm_c_100.twoWS_port_reg = port;
+
+	while (len != 0) {
+		bytes_to_transfer = len > 4 ? 4 : len;
+
+		r100.tw_sm_c_100.total_bytes = bytes_to_transfer - 1;
+		r100.tw_sm_c_100.baseaddr = addr;
+
+		if (op == FC_READ)
+			ret = flexcop_i2c_read4(fc, r100, buf);
+		else
+			ret = flexcop_i2c_write4(fc,r100, buf);
+
+		if (ret < 0)
+			return ret;
+
+		buf  += bytes_to_transfer;
+		addr += bytes_to_transfer;
+		len  -= bytes_to_transfer;
+	};
 
-	return flexcop_i2c_operation(fc,&r100,30);
+	return 0;
 }
+/* exported for PCI i2c */
+EXPORT_SYMBOL(flexcop_i2c_request);
 
 /* master xfer callback for demodulator */
 static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)

@@ -123,43 +166,6 @@ static int flexcop_master_xfer(struct i2
 	return ret;
 }
 
-int flexcop_i2c_request(struct flexcop_device *fc, flexcop_access_op_t op,
-		flexcop_i2c_port_t port, u8 chipaddr, u8 addr, u8 *buf, u16 len)
-{
-	int ret;
-	u16 bytes_to_transfer;
-	flexcop_ibi_value r100;
-
-	deb_i2c("op = %d\n",op);
-	r100.raw = 0;
-	r100.tw_sm_c_100.chipaddr = chipaddr;
-	r100.tw_sm_c_100.twoWS_rw = op;
-	r100.tw_sm_c_100.twoWS_port_reg = port;
-
-	while (len != 0) {
-		bytes_to_transfer = len > 4 ? 4 : len;
-
-		r100.tw_sm_c_100.total_bytes = bytes_to_transfer - 1;
-		r100.tw_sm_c_100.baseaddr = addr;
-
-		if (op == FC_READ)
-			ret = flexcop_i2c_read4(fc, r100, buf);
-		else
-			ret = flexcop_i2c_write4(fc,r100, buf);
-
-		if (ret < 0)
-			return ret;
-
-		buf  += bytes_to_transfer;
-		addr += bytes_to_transfer;
-		len  -= bytes_to_transfer;
-	};
-
-	return 0;
-}
-/* exported for PCI i2c */
-EXPORT_SYMBOL(flexcop_i2c_request);
-
 static u32 flexcop_i2c_func(struct i2c_adapter *adapter)
 {
 	return I2C_FUNC_I2C;

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-reg.h
===================================================================
@@ -692,9 +692,10 @@ typedef enum {
 	wan_ctrl_reg_71c    = 0x71c,
 } flexcop_ibi_register;
 
-#define flexcop_set_ibi_value(reg,attr,val) \
+#define flexcop_set_ibi_value(reg,attr,val) { \
 	flexcop_ibi_value v = fc->read_ibi_reg(fc,reg); \
 	v.reg.attr = val; \
 	fc->write_ibi_reg(fc,reg,v); \
+}
 
 #endif

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop.c
===================================================================
@@ -184,10 +184,6 @@ static void flexcop_reset(struct flexcop
 	fc->write_ibi_reg(fc,misc_204,v204);
 	v204.misc_204.Per_reset_sig = 1;
 	fc->write_ibi_reg(fc,misc_204,v204);
-
-/*	v208.raw = 0;
-	v208.ctrl_208.Null_filter_sig = 1;
-	fc->write_ibi_reg(fc,ctrl_208,v208);*/
 }
 
 struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len)

Index: linux-2.6.12-rc4/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
===================================================================
@@ -79,8 +79,8 @@ static int flexcop_set_tone(struct dvb_f
 
 	v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
 
-	v.lnb_switch_freq_200.LNB_CTLHighCount_sig =
-		v.lnb_switch_freq_200.LNB_CTLLowCount_sig  = ax;
+	v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
+	v.lnb_switch_freq_200.LNB_CTLLowCount_sig  = ax == 0 ? 0x1ff : ax;
 
 	return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
 }