From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- drivers/media/i2c/ths7303.c | 384 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 384 insertions(+) create mode 100644 drivers/media/i2c/ths7303.c (limited to 'drivers/media/i2c/ths7303.c') diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c new file mode 100644 index 000000000..67de90cf6 --- /dev/null +++ b/drivers/media/i2c/ths7303.c @@ -0,0 +1,384 @@ +/* + * ths7303/53- THS7303/53 Video Amplifier driver + * + * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. + * + * Author: Chaithrika U S + * + * Contributors: + * Hans Verkuil + * Lad, Prabhakar + * Martin Bugge + * + * 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. + * + * This program is distributed .as is. WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include + +#include +#include + +#define THS7303_CHANNEL_1 1 +#define THS7303_CHANNEL_2 2 +#define THS7303_CHANNEL_3 3 + +struct ths7303_state { + struct v4l2_subdev sd; + const struct ths7303_platform_data *pdata; + struct v4l2_bt_timings bt; + int std_id; + int stream_on; +}; + +enum ths7303_filter_mode { + THS7303_FILTER_MODE_480I_576I, + THS7303_FILTER_MODE_480P_576P, + THS7303_FILTER_MODE_720P_1080I, + THS7303_FILTER_MODE_1080P, + THS7303_FILTER_MODE_DISABLE +}; + +MODULE_DESCRIPTION("TI THS7303 video amplifier driver"); +MODULE_AUTHOR("Chaithrika U S"); +MODULE_LICENSE("GPL"); + +static inline struct ths7303_state *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct ths7303_state, sd); +} + +static int ths7303_read(struct v4l2_subdev *sd, u8 reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return i2c_smbus_read_byte_data(client, reg); +} + +static int ths7303_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + int ret; + int i; + + for (i = 0; i < 3; i++) { + ret = i2c_smbus_write_byte_data(client, reg, val); + if (ret == 0) + return 0; + } + return ret; +} + +/* following function is used to set ths7303 */ +static int ths7303_setval(struct v4l2_subdev *sd, + enum ths7303_filter_mode mode) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct ths7303_state *state = to_state(sd); + const struct ths7303_platform_data *pdata = state->pdata; + u8 val, sel = 0; + int err, disable = 0; + + if (!client) + return -EINVAL; + + switch (mode) { + case THS7303_FILTER_MODE_1080P: + sel = 0x3; /*1080p and SXGA/UXGA */ + break; + case THS7303_FILTER_MODE_720P_1080I: + sel = 0x2; /*720p, 1080i and SVGA/XGA */ + break; + case THS7303_FILTER_MODE_480P_576P: + sel = 0x1; /* EDTV 480p/576p and VGA */ + break; + case THS7303_FILTER_MODE_480I_576I: + sel = 0x0; /* SDTV, S-Video, 480i/576i */ + break; + default: + /* disable all channels */ + disable = 1; + } + + val = (sel << 6) | (sel << 3); + if (!disable) + val |= (pdata->ch_1 & 0x27); + err = ths7303_write(sd, THS7303_CHANNEL_1, val); + if (err) + goto out; + + val = (sel << 6) | (sel << 3); + if (!disable) + val |= (pdata->ch_2 & 0x27); + err = ths7303_write(sd, THS7303_CHANNEL_2, val); + if (err) + goto out; + + val = (sel << 6) | (sel << 3); + if (!disable) + val |= (pdata->ch_3 & 0x27); + err = ths7303_write(sd, THS7303_CHANNEL_3, val); + if (err) + goto out; + + return 0; +out: + pr_info("write byte data failed\n"); + return err; +} + +static int ths7303_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm) +{ + struct ths7303_state *state = to_state(sd); + + if (norm & (V4L2_STD_ALL & ~V4L2_STD_SECAM)) { + state->std_id = 1; + state->bt.pixelclock = 0; + return ths7303_setval(sd, THS7303_FILTER_MODE_480I_576I); + } + + return ths7303_setval(sd, THS7303_FILTER_MODE_DISABLE); +} + +static int ths7303_config(struct v4l2_subdev *sd) +{ + struct ths7303_state *state = to_state(sd); + int res; + + if (!state->stream_on) { + ths7303_write(sd, THS7303_CHANNEL_1, + (ths7303_read(sd, THS7303_CHANNEL_1) & 0xf8) | + 0x00); + ths7303_write(sd, THS7303_CHANNEL_2, + (ths7303_read(sd, THS7303_CHANNEL_2) & 0xf8) | + 0x00); + ths7303_write(sd, THS7303_CHANNEL_3, + (ths7303_read(sd, THS7303_CHANNEL_3) & 0xf8) | + 0x00); + return 0; + } + + if (state->bt.pixelclock > 120000000) + res = ths7303_setval(sd, THS7303_FILTER_MODE_1080P); + else if (state->bt.pixelclock > 70000000) + res = ths7303_setval(sd, THS7303_FILTER_MODE_720P_1080I); + else if (state->bt.pixelclock > 20000000) + res = ths7303_setval(sd, THS7303_FILTER_MODE_480P_576P); + else if (state->std_id) + res = ths7303_setval(sd, THS7303_FILTER_MODE_480I_576I); + else + /* disable all channels */ + res = ths7303_setval(sd, THS7303_FILTER_MODE_DISABLE); + + return res; + +} + +static int ths7303_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct ths7303_state *state = to_state(sd); + + state->stream_on = enable; + + return ths7303_config(sd); +} + +/* for setting filter for HD output */ +static int ths7303_s_dv_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *dv_timings) +{ + struct ths7303_state *state = to_state(sd); + + if (!dv_timings || dv_timings->type != V4L2_DV_BT_656_1120) + return -EINVAL; + + state->bt = dv_timings->bt; + state->std_id = 0; + + return ths7303_config(sd); +} + +static const struct v4l2_subdev_video_ops ths7303_video_ops = { + .s_stream = ths7303_s_stream, + .s_std_output = ths7303_s_std_output, + .s_dv_timings = ths7303_s_dv_timings, +}; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + +static int ths7303_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + reg->size = 1; + reg->val = ths7303_read(sd, reg->reg); + return 0; +} + +static int ths7303_s_register(struct v4l2_subdev *sd, + const struct v4l2_dbg_register *reg) +{ + ths7303_write(sd, reg->reg, reg->val); + return 0; +} +#endif + +static const char * const stc_lpf_sel_txt[4] = { + "500-kHz Filter", + "2.5-MHz Filter", + "5-MHz Filter", + "5-MHz Filter", +}; + +static const char * const in_mux_sel_txt[2] = { + "Input A Select", + "Input B Select", +}; + +static const char * const lpf_freq_sel_txt[4] = { + "9-MHz LPF", + "16-MHz LPF", + "35-MHz LPF", + "Bypass LPF", +}; + +static const char * const in_bias_sel_dis_cont_txt[8] = { + "Disable Channel", + "Mute Function - No Output", + "DC Bias Select", + "DC Bias + 250 mV Offset Select", + "AC Bias Select", + "Sync Tip Clamp with low bias", + "Sync Tip Clamp with mid bias", + "Sync Tip Clamp with high bias", +}; + +static void ths7303_log_channel_status(struct v4l2_subdev *sd, u8 reg) +{ + u8 val = ths7303_read(sd, reg); + + if ((val & 0x7) == 0) { + v4l2_info(sd, "Channel %d Off\n", reg); + return; + } + + v4l2_info(sd, "Channel %d On\n", reg); + v4l2_info(sd, " value 0x%x\n", val); + v4l2_info(sd, " %s\n", stc_lpf_sel_txt[(val >> 6) & 0x3]); + v4l2_info(sd, " %s\n", in_mux_sel_txt[(val >> 5) & 0x1]); + v4l2_info(sd, " %s\n", lpf_freq_sel_txt[(val >> 3) & 0x3]); + v4l2_info(sd, " %s\n", in_bias_sel_dis_cont_txt[(val >> 0) & 0x7]); +} + +static int ths7303_log_status(struct v4l2_subdev *sd) +{ + struct ths7303_state *state = to_state(sd); + + v4l2_info(sd, "stream %s\n", state->stream_on ? "On" : "Off"); + + if (state->bt.pixelclock) { + struct v4l2_bt_timings *bt = &state->bt; + u32 frame_width, frame_height; + + frame_width = V4L2_DV_BT_FRAME_WIDTH(bt); + frame_height = V4L2_DV_BT_FRAME_HEIGHT(bt); + v4l2_info(sd, + "timings: %dx%d%s%d (%dx%d). Pix freq. = %d Hz. Polarities = 0x%x\n", + bt->width, bt->height, bt->interlaced ? "i" : "p", + (frame_height * frame_width) > 0 ? + (int)bt->pixelclock / + (frame_height * frame_width) : 0, + frame_width, frame_height, + (int)bt->pixelclock, bt->polarities); + } else { + v4l2_info(sd, "no timings set\n"); + } + + ths7303_log_channel_status(sd, THS7303_CHANNEL_1); + ths7303_log_channel_status(sd, THS7303_CHANNEL_2); + ths7303_log_channel_status(sd, THS7303_CHANNEL_3); + + return 0; +} + +static const struct v4l2_subdev_core_ops ths7303_core_ops = { + .log_status = ths7303_log_status, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = ths7303_g_register, + .s_register = ths7303_s_register, +#endif +}; + +static const struct v4l2_subdev_ops ths7303_ops = { + .core = &ths7303_core_ops, + .video = &ths7303_video_ops, +}; + +static int ths7303_probe(struct i2c_client *client) +{ + struct ths7303_platform_data *pdata = client->dev.platform_data; + struct ths7303_state *state; + struct v4l2_subdev *sd; + + if (pdata == NULL) { + dev_err(&client->dev, "No platform data\n"); + return -EINVAL; + } + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + + state = devm_kzalloc(&client->dev, sizeof(struct ths7303_state), + GFP_KERNEL); + if (!state) + return -ENOMEM; + + state->pdata = pdata; + sd = &state->sd; + v4l2_i2c_subdev_init(sd, client, &ths7303_ops); + + /* set to default 480I_576I filter mode */ + if (ths7303_setval(sd, THS7303_FILTER_MODE_480I_576I) < 0) { + v4l_err(client, "Setting to 480I_576I filter mode failed!\n"); + return -EINVAL; + } + + return 0; +} + +static void ths7303_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + + v4l2_device_unregister_subdev(sd); +} + +static const struct i2c_device_id ths7303_id[] = { + {"ths7303", 0}, + {"ths7353", 0}, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, ths7303_id); + +static struct i2c_driver ths7303_driver = { + .driver = { + .name = "ths73x3", + }, + .probe_new = ths7303_probe, + .remove = ths7303_remove, + .id_table = ths7303_id, +}; + +module_i2c_driver(ths7303_driver); -- cgit v1.2.3