Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 769 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/dib0070.c b/drivers/media/dvb-frontends/dib0070.c
new file mode 100644
index 000000000..cafb41dba
--- /dev/null
+++ b/drivers/media/dvb-frontends/dib0070.c
@@ -0,0 +1,769 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
+ *
+ * Copyright (C) 2005-9 DiBcom (http://www.dibcom.fr/)
+ *
+ * This code is more or less generated from another driver, please
+ * excuse some codingstyle oddities.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+
+#include <media/dvb_frontend.h>
+
+#include "dib0070.h"
+#include "dibx000_common.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
+
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
+
+#define DIB0070_P1D  0x00
+#define DIB0070_P1F  0x01
+#define DIB0070_P1G  0x03
+#define DIB0070S_P1A 0x02
+
+struct dib0070_state {
+	struct i2c_adapter *i2c;
+	struct dvb_frontend *fe;
+	const struct dib0070_config *cfg;
+	u16 wbd_ff_offset;
+	u8 revision;
+
+	enum frontend_tune_state tune_state;
+	u32 current_rf;
+
+	/* for the captrim binary search */
+	s8 step;
+	u16 adc_diff;
+
+	s8 captrim;
+	s8 fcaptrim;
+	u16 lo4;
+
+	const struct dib0070_tuning *current_tune_table_index;
+	const struct dib0070_lna_match *lna_match;
+
+	u8  wbd_gain_current;
+	u16 wbd_offset_3_3[2];
+
+	/* for the I2C transfer */
+	struct i2c_msg msg[2];
+	u8 i2c_write_buffer[3];
+	u8 i2c_read_buffer[2];
+	struct mutex i2c_buffer_lock;
+};
+
+static u16 dib0070_read_reg(struct dib0070_state *state, u8 reg)
+{
+	u16 ret;
+
+	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
+		dprintk("could not acquire lock\n");
+		return 0;
+	}
+
+	state->i2c_write_buffer[0] = reg;
+
+	memset(state->msg, 0, 2 * sizeof(struct i2c_msg));
+	state->msg[0].addr = state->cfg->i2c_address;
+	state->msg[0].flags = 0;
+	state->msg[0].buf = state->i2c_write_buffer;
+	state->msg[0].len = 1;
+	state->msg[1].addr = state->cfg->i2c_address;
+	state->msg[1].flags = I2C_M_RD;
+	state->msg[1].buf = state->i2c_read_buffer;
+	state->msg[1].len = 2;
+
+	if (i2c_transfer(state->i2c, state->msg, 2) != 2) {
+		pr_warn("DiB0070 I2C read failed\n");
+		ret = 0;
+	} else
+		ret = (state->i2c_read_buffer[0] << 8)
+			| state->i2c_read_buffer[1];
+
+	mutex_unlock(&state->i2c_buffer_lock);
+	return ret;
+}
+
+static int dib0070_write_reg(struct dib0070_state *state, u8 reg, u16 val)
+{
+	int ret;
+
+	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
+		dprintk("could not acquire lock\n");
+		return -EINVAL;
+	}
+	state->i2c_write_buffer[0] = reg;
+	state->i2c_write_buffer[1] = val >> 8;
+	state->i2c_write_buffer[2] = val & 0xff;
+
+	memset(state->msg, 0, sizeof(struct i2c_msg));
+	state->msg[0].addr = state->cfg->i2c_address;
+	state->msg[0].flags = 0;
+	state->msg[0].buf = state->i2c_write_buffer;
+	state->msg[0].len = 3;
+
+	if (i2c_transfer(state->i2c, state->msg, 1) != 1) {
+		pr_warn("DiB0070 I2C write failed\n");
+		ret = -EREMOTEIO;
+	} else
+		ret = 0;
+
+	mutex_unlock(&state->i2c_buffer_lock);
+	return ret;
+}
+
+#define HARD_RESET(state) do { \
+    state->cfg->sleep(state->fe, 0); \
+    if (state->cfg->reset) { \
+	state->cfg->reset(state->fe,1); msleep(10); \
+	state->cfg->reset(state->fe,0); msleep(10); \
+    } \
+} while (0)
+
+static int dib0070_set_bandwidth(struct dvb_frontend *fe)
+	{
+	struct dib0070_state *state = fe->tuner_priv;
+	u16 tmp = dib0070_read_reg(state, 0x02) & 0x3fff;
+
+	if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 7000)
+		tmp |= (0 << 14);
+	else if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 6000)
+		tmp |= (1 << 14);
+	else if (state->fe->dtv_property_cache.bandwidth_hz/1000 > 5000)
+		tmp |= (2 << 14);
+	else
+		tmp |= (3 << 14);
+
+	dib0070_write_reg(state, 0x02, tmp);
+
+	/* sharpen the BB filter in ISDB-T to have higher immunity to adjacent channels */
+	if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT) {
+		u16 value = dib0070_read_reg(state, 0x17);
+
+		dib0070_write_reg(state, 0x17, value & 0xfffc);
+		tmp = dib0070_read_reg(state, 0x01) & 0x01ff;
+		dib0070_write_reg(state, 0x01, tmp | (60 << 9));
+
+		dib0070_write_reg(state, 0x17, value);
+	}
+	return 0;
+}
+
+static int dib0070_captrim(struct dib0070_state *state, enum frontend_tune_state *tune_state)
+{
+	int8_t step_sign;
+	u16 adc;
+	int ret = 0;
+
+	if (*tune_state == CT_TUNER_STEP_0) {
+		dib0070_write_reg(state, 0x0f, 0xed10);
+		dib0070_write_reg(state, 0x17,    0x0034);
+
+		dib0070_write_reg(state, 0x18, 0x0032);
+		state->step = state->captrim = state->fcaptrim = 64;
+		state->adc_diff = 3000;
+		ret = 20;
+
+		*tune_state = CT_TUNER_STEP_1;
+	} else if (*tune_state == CT_TUNER_STEP_1) {
+		state->step /= 2;
+		dib0070_write_reg(state, 0x14, state->lo4 | state->captrim);
+		ret = 15;
+
+		*tune_state = CT_TUNER_STEP_2;
+	} else if (*tune_state == CT_TUNER_STEP_2) {
+
+		adc = dib0070_read_reg(state, 0x19);
+
+		dprintk("CAPTRIM=%d; ADC = %hd (ADC) & %dmV\n", state->captrim,
+			adc, (u32)adc * (u32)1800 / (u32)1024);
+
+		if (adc >= 400) {
+			adc -= 400;
+			step_sign = -1;
+		} else {
+			adc = 400 - adc;
+			step_sign = 1;
+		}
+
+		if (adc < state->adc_diff) {
+			dprintk("CAPTRIM=%d is closer to target (%hd/%hd)\n",
+				state->captrim, adc, state->adc_diff);
+			state->adc_diff = adc;
+			state->fcaptrim = state->captrim;
+		}
+		state->captrim += (step_sign * state->step);
+
+		if (state->step >= 1)
+			*tune_state = CT_TUNER_STEP_1;
+		else
+			*tune_state = CT_TUNER_STEP_3;
+
+	} else if (*tune_state == CT_TUNER_STEP_3) {
+		dib0070_write_reg(state, 0x14, state->lo4 | state->fcaptrim);
+		dib0070_write_reg(state, 0x18, 0x07ff);
+		*tune_state = CT_TUNER_STEP_4;
+	}
+
+	return ret;
+}
+
+static int dib0070_set_ctrl_lo5(struct dvb_frontend *fe, u8 vco_bias_trim, u8 hf_div_trim, u8 cp_current, u8 third_order_filt)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	u16 lo5 = (third_order_filt << 14) | (0 << 13) | (1 << 12) | (3 << 9) | (cp_current << 6) | (hf_div_trim << 3) | (vco_bias_trim << 0);
+
+	dprintk("CTRL_LO5: 0x%x\n", lo5);
+	return dib0070_write_reg(state, 0x15, lo5);
+}
+
+void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+
+	if (open) {
+		dib0070_write_reg(state, 0x1b, 0xff00);
+		dib0070_write_reg(state, 0x1a, 0x0000);
+	} else {
+		dib0070_write_reg(state, 0x1b, 0x4112);
+		if (state->cfg->vga_filter != 0) {
+			dib0070_write_reg(state, 0x1a, state->cfg->vga_filter);
+			dprintk("vga filter register is set to %x\n", state->cfg->vga_filter);
+		} else
+			dib0070_write_reg(state, 0x1a, 0x0009);
+	}
+}
+
+EXPORT_SYMBOL(dib0070_ctrl_agc_filter);
+struct dib0070_tuning {
+	u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
+	u8 switch_trim;
+	u8 vco_band;
+	u8 hfdiv;
+	u8 vco_multi;
+	u8 presc;
+	u8 wbdmux;
+	u16 tuner_enable;
+};
+
+struct dib0070_lna_match {
+	u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */
+	u8 lna_band;
+};
+
+static const struct dib0070_tuning dib0070s_tuning_table[] = {
+	{     570000, 2, 1, 3, 6, 6, 2, 0x4000 | 0x0800 }, /* UHF */
+	{     700000, 2, 0, 2, 4, 2, 2, 0x4000 | 0x0800 },
+	{     863999, 2, 1, 2, 4, 2, 2, 0x4000 | 0x0800 },
+	{    1500000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 }, /* LBAND */
+	{    1600000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 },
+	{    2000000, 0, 1, 1, 2, 2, 4, 0x2000 | 0x0400 },
+	{ 0xffffffff, 0, 0, 8, 1, 2, 1, 0x8000 | 0x1000 }, /* SBAND */
+};
+
+static const struct dib0070_tuning dib0070_tuning_table[] = {
+	{     115000, 1, 0, 7, 24, 2, 1, 0x8000 | 0x1000 }, /* FM below 92MHz cannot be tuned */
+	{     179500, 1, 0, 3, 16, 2, 1, 0x8000 | 0x1000 }, /* VHF */
+	{     189999, 1, 1, 3, 16, 2, 1, 0x8000 | 0x1000 },
+	{     250000, 1, 0, 6, 12, 2, 1, 0x8000 | 0x1000 },
+	{     569999, 2, 1, 5,  6, 2, 2, 0x4000 | 0x0800 }, /* UHF */
+	{     699999, 2, 0, 1,  4, 2, 2, 0x4000 | 0x0800 },
+	{     863999, 2, 1, 1,  4, 2, 2, 0x4000 | 0x0800 },
+	{ 0xffffffff, 0, 1, 0,  2, 2, 4, 0x2000 | 0x0400 }, /* LBAND or everything higher than UHF */
+};
+
+static const struct dib0070_lna_match dib0070_lna_flip_chip[] = {
+	{     180000, 0 }, /* VHF */
+	{     188000, 1 },
+	{     196400, 2 },
+	{     250000, 3 },
+	{     550000, 0 }, /* UHF */
+	{     590000, 1 },
+	{     666000, 3 },
+	{     864000, 5 },
+	{    1500000, 0 }, /* LBAND or everything higher than UHF */
+	{    1600000, 1 },
+	{    2000000, 3 },
+	{ 0xffffffff, 7 },
+};
+
+static const struct dib0070_lna_match dib0070_lna[] = {
+	{     180000, 0 }, /* VHF */
+	{     188000, 1 },
+	{     196400, 2 },
+	{     250000, 3 },
+	{     550000, 2 }, /* UHF */
+	{     650000, 3 },
+	{     750000, 5 },
+	{     850000, 6 },
+	{     864000, 7 },
+	{    1500000, 0 }, /* LBAND or everything higher than UHF */
+	{    1600000, 1 },
+	{    2000000, 3 },
+	{ 0xffffffff, 7 },
+};
+
+#define LPF	100
+static int dib0070_tune_digital(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+
+	const struct dib0070_tuning *tune;
+	const struct dib0070_lna_match *lna_match;
+
+	enum frontend_tune_state *tune_state = &state->tune_state;
+	int ret = 10; /* 1ms is the default delay most of the time */
+
+	u8  band = (u8)BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency/1000);
+	u32 freq = fe->dtv_property_cache.frequency/1000 + (band == BAND_VHF ? state->cfg->freq_offset_khz_vhf : state->cfg->freq_offset_khz_uhf);
+
+#ifdef CONFIG_SYS_ISDBT
+	if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.isdbt_sb_mode == 1)
+			if (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2)
+			&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb_segment_count / 2) + 1)))
+			|| (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
+				&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == (state->fe->dtv_property_cache.isdbt_sb_segment_count / 2)))
+			|| (((state->fe->dtv_property_cache.isdbt_sb_segment_count % 2) == 0)
+				&& (state->fe->dtv_property_cache.isdbt_sb_segment_idx == ((state->fe->dtv_property_cache.isdbt_sb_segment_count / 2) + 1))))
+				freq += 850;
+#endif
+	if (state->current_rf != freq) {
+
+		switch (state->revision) {
+		case DIB0070S_P1A:
+		tune = dib0070s_tuning_table;
+		lna_match = dib0070_lna;
+		break;
+		default:
+		tune = dib0070_tuning_table;
+		if (state->cfg->flip_chip)
+			lna_match = dib0070_lna_flip_chip;
+		else
+			lna_match = dib0070_lna;
+		break;
+		}
+		while (freq > tune->max_freq) /* find the right one */
+			tune++;
+		while (freq > lna_match->max_freq) /* find the right one */
+			lna_match++;
+
+		state->current_tune_table_index = tune;
+		state->lna_match = lna_match;
+	}
+
+	if (*tune_state == CT_TUNER_START) {
+		dprintk("Tuning for Band: %d (%d kHz)\n", band, freq);
+		if (state->current_rf != freq) {
+			u8 REFDIV;
+			u32 FBDiv, Rest, FREF, VCOF_kHz;
+			u8 Den;
+
+			state->current_rf = freq;
+			state->lo4 = (state->current_tune_table_index->vco_band << 11) | (state->current_tune_table_index->hfdiv << 7);
+
+
+			dib0070_write_reg(state, 0x17, 0x30);
+
+
+			VCOF_kHz = state->current_tune_table_index->vco_multi * freq * 2;
+
+			switch (band) {
+			case BAND_VHF:
+				REFDIV = (u8) ((state->cfg->clock_khz + 9999) / 10000);
+				break;
+			case BAND_FM:
+				REFDIV = (u8) ((state->cfg->clock_khz) / 1000);
+				break;
+			default:
+				REFDIV = (u8) (state->cfg->clock_khz  / 10000);
+				break;
+			}
+			FREF = state->cfg->clock_khz / REFDIV;
+
+
+
+			switch (state->revision) {
+			case DIB0070S_P1A:
+				FBDiv = (VCOF_kHz / state->current_tune_table_index->presc / FREF);
+				Rest  = (VCOF_kHz / state->current_tune_table_index->presc) - FBDiv * FREF;
+				break;
+
+			case DIB0070_P1G:
+			case DIB0070_P1F:
+			default:
+				FBDiv = (freq / (FREF / 2));
+				Rest  = 2 * freq - FBDiv * FREF;
+				break;
+			}
+
+			if (Rest < LPF)
+				Rest = 0;
+			else if (Rest < 2 * LPF)
+				Rest = 2 * LPF;
+			else if (Rest > (FREF - LPF)) {
+				Rest = 0;
+				FBDiv += 1;
+			} else if (Rest > (FREF - 2 * LPF))
+				Rest = FREF - 2 * LPF;
+			Rest = (Rest * 6528) / (FREF / 10);
+
+			Den = 1;
+			if (Rest > 0) {
+				state->lo4 |= (1 << 14) | (1 << 12);
+				Den = 255;
+			}
+
+
+			dib0070_write_reg(state, 0x11, (u16)FBDiv);
+			dib0070_write_reg(state, 0x12, (Den << 8) | REFDIV);
+			dib0070_write_reg(state, 0x13, (u16) Rest);
+
+			if (state->revision == DIB0070S_P1A) {
+
+				if (band == BAND_SBAND) {
+					dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
+					dib0070_write_reg(state, 0x1d, 0xFFFF);
+				} else
+					dib0070_set_ctrl_lo5(fe, 5, 4, 3, 1);
+			}
+
+			dib0070_write_reg(state, 0x20,
+				0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001 | state->current_tune_table_index->tuner_enable);
+
+			dprintk("REFDIV: %u, FREF: %d\n", REFDIV, FREF);
+			dprintk("FBDIV: %d, Rest: %d\n", FBDiv, Rest);
+			dprintk("Num: %u, Den: %u, SD: %d\n", (u16)Rest, Den,
+				(state->lo4 >> 12) & 0x1);
+			dprintk("HFDIV code: %u\n",
+				state->current_tune_table_index->hfdiv);
+			dprintk("VCO = %u\n",
+				state->current_tune_table_index->vco_band);
+			dprintk("VCOF: ((%u*%d) << 1))\n",
+				state->current_tune_table_index->vco_multi,
+				freq);
+
+			*tune_state = CT_TUNER_STEP_0;
+		} else { /* we are already tuned to this frequency - the configuration is correct  */
+			ret = 50; /* wakeup time */
+			*tune_state = CT_TUNER_STEP_5;
+		}
+	} else if ((*tune_state > CT_TUNER_START) && (*tune_state < CT_TUNER_STEP_4)) {
+
+		ret = dib0070_captrim(state, tune_state);
+
+	} else if (*tune_state == CT_TUNER_STEP_4) {
+		const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;
+		if (tmp != NULL) {
+			while (freq/1000 > tmp->freq) /* find the right one */
+				tmp++;
+			dib0070_write_reg(state, 0x0f,
+				(0 << 15) | (1 << 14) | (3 << 12)
+				| (tmp->wbd_gain_val << 9) | (0 << 8) | (1 << 7)
+				| (state->current_tune_table_index->wbdmux << 0));
+			state->wbd_gain_current = tmp->wbd_gain_val;
+		} else {
+			dib0070_write_reg(state, 0x0f,
+					  (0 << 15) | (1 << 14) | (3 << 12)
+					  | (6 << 9) | (0 << 8) | (1 << 7)
+					  | (state->current_tune_table_index->wbdmux << 0));
+			state->wbd_gain_current = 6;
+		}
+
+		dib0070_write_reg(state, 0x06, 0x3fff);
+		dib0070_write_reg(state, 0x07,
+				  (state->current_tune_table_index->switch_trim << 11) | (7 << 8) | (state->lna_match->lna_band << 3) | (3 << 0));
+		dib0070_write_reg(state, 0x08, (state->lna_match->lna_band << 10) | (3 << 7) | (127));
+		dib0070_write_reg(state, 0x0d, 0x0d80);
+
+
+		dib0070_write_reg(state, 0x18,   0x07ff);
+		dib0070_write_reg(state, 0x17, 0x0033);
+
+
+		*tune_state = CT_TUNER_STEP_5;
+	} else if (*tune_state == CT_TUNER_STEP_5) {
+		dib0070_set_bandwidth(fe);
+		*tune_state = CT_TUNER_STOP;
+	} else {
+		ret = FE_CALLBACK_TIME_NEVER; /* tuner finished, time to call again infinite */
+	}
+	return ret;
+}
+
+
+static int dib0070_tune(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	uint32_t ret;
+
+	state->tune_state = CT_TUNER_START;
+
+	do {
+		ret = dib0070_tune_digital(fe);
+		if (ret != FE_CALLBACK_TIME_NEVER)
+			msleep(ret/10);
+		else
+		break;
+	} while (state->tune_state != CT_TUNER_STOP);
+
+	return 0;
+}
+
+static int dib0070_wakeup(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	if (state->cfg->sleep)
+		state->cfg->sleep(fe, 0);
+	return 0;
+}
+
+static int dib0070_sleep(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	if (state->cfg->sleep)
+		state->cfg->sleep(fe, 1);
+	return 0;
+}
+
+u8 dib0070_get_rf_output(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	return (dib0070_read_reg(state, 0x07) >> 11) & 0x3;
+}
+EXPORT_SYMBOL(dib0070_get_rf_output);
+
+int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	u16 rxrf2 = dib0070_read_reg(state, 0x07) & 0xfe7ff;
+	if (no > 3)
+		no = 3;
+	if (no < 1)
+		no = 1;
+	return dib0070_write_reg(state, 0x07, rxrf2 | (no << 11));
+}
+EXPORT_SYMBOL(dib0070_set_rf_output);
+
+static const u16 dib0070_p1f_defaults[] =
+
+{
+	7, 0x02,
+		0x0008,
+		0x0000,
+		0x0000,
+		0x0000,
+		0x0000,
+		0x0002,
+		0x0100,
+
+	3, 0x0d,
+		0x0d80,
+		0x0001,
+		0x0000,
+
+	4, 0x11,
+		0x0000,
+		0x0103,
+		0x0000,
+		0x0000,
+
+	3, 0x16,
+		0x0004 | 0x0040,
+		0x0030,
+		0x07ff,
+
+	6, 0x1b,
+		0x4112,
+		0xff00,
+		0xc07f,
+		0x0000,
+		0x0180,
+		0x4000 | 0x0800 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001,
+
+	0,
+};
+
+static u16 dib0070_read_wbd_offset(struct dib0070_state *state, u8 gain)
+{
+	u16 tuner_en = dib0070_read_reg(state, 0x20);
+	u16 offset;
+
+	dib0070_write_reg(state, 0x18, 0x07ff);
+	dib0070_write_reg(state, 0x20, 0x0800 | 0x4000 | 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
+	dib0070_write_reg(state, 0x0f, (1 << 14) | (2 << 12) | (gain << 9) | (1 << 8) | (1 << 7) | (0 << 0));
+	msleep(9);
+	offset = dib0070_read_reg(state, 0x19);
+	dib0070_write_reg(state, 0x20, tuner_en);
+	return offset;
+}
+
+static void dib0070_wbd_offset_calibration(struct dib0070_state *state)
+{
+	u8 gain;
+	for (gain = 6; gain < 8; gain++) {
+		state->wbd_offset_3_3[gain - 6] = ((dib0070_read_wbd_offset(state, gain) * 8 * 18 / 33 + 1) / 2);
+		dprintk("Gain: %d, WBDOffset (3.3V) = %hd\n", gain, state->wbd_offset_3_3[gain-6]);
+	}
+}
+
+u16 dib0070_wbd_offset(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	const struct dib0070_wbd_gain_cfg *tmp = state->cfg->wbd_gain;
+	u32 freq = fe->dtv_property_cache.frequency/1000;
+
+	if (tmp != NULL) {
+		while (freq/1000 > tmp->freq) /* find the right one */
+			tmp++;
+		state->wbd_gain_current = tmp->wbd_gain_val;
+	} else
+		state->wbd_gain_current = 6;
+
+	return state->wbd_offset_3_3[state->wbd_gain_current - 6];
+}
+EXPORT_SYMBOL(dib0070_wbd_offset);
+
+#define pgm_read_word(w) (*w)
+static int dib0070_reset(struct dvb_frontend *fe)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+	u16 l, r, *n;
+
+	HARD_RESET(state);
+
+
+#ifndef FORCE_SBAND_TUNER
+	if ((dib0070_read_reg(state, 0x22) >> 9) & 0x1)
+		state->revision = (dib0070_read_reg(state, 0x1f) >> 8) & 0xff;
+	else
+#else
+#warning forcing SBAND
+#endif
+	state->revision = DIB0070S_P1A;
+
+	/* P1F or not */
+	dprintk("Revision: %x\n", state->revision);
+
+	if (state->revision == DIB0070_P1D) {
+		dprintk("Error: this driver is not to be used meant for P1D or earlier\n");
+		return -EINVAL;
+	}
+
+	n = (u16 *) dib0070_p1f_defaults;
+	l = pgm_read_word(n++);
+	while (l) {
+		r = pgm_read_word(n++);
+		do {
+			dib0070_write_reg(state, (u8)r, pgm_read_word(n++));
+			r++;
+		} while (--l);
+		l = pgm_read_word(n++);
+	}
+
+	if (state->cfg->force_crystal_mode != 0)
+		r = state->cfg->force_crystal_mode;
+	else if (state->cfg->clock_khz >= 24000)
+		r = 1;
+	else
+		r = 2;
+
+
+	r |= state->cfg->osc_buffer_state << 3;
+
+	dib0070_write_reg(state, 0x10, r);
+	dib0070_write_reg(state, 0x1f, (1 << 8) | ((state->cfg->clock_pad_drive & 0xf) << 5));
+
+	if (state->cfg->invert_iq) {
+		r = dib0070_read_reg(state, 0x02) & 0xffdf;
+		dib0070_write_reg(state, 0x02, r | (1 << 5));
+	}
+
+	if (state->revision == DIB0070S_P1A)
+		dib0070_set_ctrl_lo5(fe, 2, 4, 3, 0);
+	else
+		dib0070_set_ctrl_lo5(fe, 5, 4, state->cfg->charge_pump,
+				     state->cfg->enable_third_order_filter);
+
+	dib0070_write_reg(state, 0x01, (54 << 9) | 0xc8);
+
+	dib0070_wbd_offset_calibration(state);
+
+	return 0;
+}
+
+static int dib0070_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+	struct dib0070_state *state = fe->tuner_priv;
+
+	*frequency = 1000 * state->current_rf;
+	return 0;
+}
+
+static void dib0070_release(struct dvb_frontend *fe)
+{
+	kfree(fe->tuner_priv);
+	fe->tuner_priv = NULL;
+}
+
+static const struct dvb_tuner_ops dib0070_ops = {
+	.info = {
+		.name              = "DiBcom DiB0070",
+		.frequency_min_hz  =  45 * MHz,
+		.frequency_max_hz  = 860 * MHz,
+		.frequency_step_hz =   1 * kHz,
+	},
+	.release       = dib0070_release,
+
+	.init          = dib0070_wakeup,
+	.sleep         = dib0070_sleep,
+	.set_params    = dib0070_tune,
+
+	.get_frequency = dib0070_get_frequency,
+//      .get_bandwidth = dib0070_get_bandwidth
+};
+
+struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
+{
+	struct dib0070_state *state = kzalloc(sizeof(struct dib0070_state), GFP_KERNEL);
+	if (state == NULL)
+		return NULL;
+
+	state->cfg = cfg;
+	state->i2c = i2c;
+	state->fe  = fe;
+	mutex_init(&state->i2c_buffer_lock);
+	fe->tuner_priv = state;
+
+	if (dib0070_reset(fe) != 0)
+		goto free_mem;
+
+	pr_info("DiB0070: successfully identified\n");
+	memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));
+
+	fe->tuner_priv = state;
+	return fe;
+
+free_mem:
+	kfree(state);
+	fe->tuner_priv = NULL;
+	return NULL;
+}
+EXPORT_SYMBOL(dib0070_attach);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
+MODULE_DESCRIPTION("Driver for the DiBcom 0070 base-band RF Tuner");
+MODULE_LICENSE("GPL");