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(). ... --- .../gpu/drm/panel/panel-sony-tulip-truly-nt35521.c | 550 +++++++++++++++++++++ 1 file changed, 550 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c (limited to 'drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c') diff --git a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c new file mode 100644 index 000000000..fa9be3c29 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c @@ -0,0 +1,550 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021, Linaro Limited + * + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree: + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +struct truly_nt35521 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + struct gpio_desc *blen_gpio; + bool prepared; + bool enabled; +}; + +static inline +struct truly_nt35521 *to_truly_nt35521(struct drm_panel *panel) +{ + return container_of(panel, struct truly_nt35521, panel); +} + +#define dsi_generic_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static void truly_nt35521_reset(struct truly_nt35521 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(150); +} + +static int truly_nt35521_on(struct truly_nt35521 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x00); + dsi_generic_write_seq(dsi, 0xff, 0xaa, 0x55, 0xa5, 0x80); + dsi_generic_write_seq(dsi, 0x6f, 0x11, 0x00); + dsi_generic_write_seq(dsi, 0xf7, 0x20, 0x00); + dsi_generic_write_seq(dsi, 0x6f, 0x01); + dsi_generic_write_seq(dsi, 0xb1, 0x21); + dsi_generic_write_seq(dsi, 0xbd, 0x01, 0xa0, 0x10, 0x08, 0x01); + dsi_generic_write_seq(dsi, 0xb8, 0x01, 0x02, 0x0c, 0x02); + dsi_generic_write_seq(dsi, 0xbb, 0x11, 0x11); + dsi_generic_write_seq(dsi, 0xbc, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xb6, 0x02); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x01); + dsi_generic_write_seq(dsi, 0xb0, 0x09, 0x09); + dsi_generic_write_seq(dsi, 0xb1, 0x09, 0x09); + dsi_generic_write_seq(dsi, 0xbc, 0x8c, 0x00); + dsi_generic_write_seq(dsi, 0xbd, 0x8c, 0x00); + dsi_generic_write_seq(dsi, 0xca, 0x00); + dsi_generic_write_seq(dsi, 0xc0, 0x04); + dsi_generic_write_seq(dsi, 0xbe, 0xb5); + dsi_generic_write_seq(dsi, 0xb3, 0x35, 0x35); + dsi_generic_write_seq(dsi, 0xb4, 0x25, 0x25); + dsi_generic_write_seq(dsi, 0xb9, 0x43, 0x43); + dsi_generic_write_seq(dsi, 0xba, 0x24, 0x24); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x02); + dsi_generic_write_seq(dsi, 0xee, 0x03); + dsi_generic_write_seq(dsi, 0xb0, + 0x00, 0xb2, 0x00, 0xb3, 0x00, 0xb6, 0x00, 0xc3, + 0x00, 0xce, 0x00, 0xe1, 0x00, 0xf3, 0x01, 0x11); + dsi_generic_write_seq(dsi, 0xb1, + 0x01, 0x2e, 0x01, 0x5c, 0x01, 0x82, 0x01, 0xc3, + 0x01, 0xfe, 0x02, 0x00, 0x02, 0x37, 0x02, 0x77); + dsi_generic_write_seq(dsi, 0xb2, + 0x02, 0xa1, 0x02, 0xd7, 0x02, 0xfe, 0x03, 0x2c, + 0x03, 0x4b, 0x03, 0x63, 0x03, 0x8f, 0x03, 0x90); + dsi_generic_write_seq(dsi, 0xb3, 0x03, 0x96, 0x03, 0x98); + dsi_generic_write_seq(dsi, 0xb4, + 0x00, 0x81, 0x00, 0x8b, 0x00, 0x9c, 0x00, 0xa9, + 0x00, 0xb5, 0x00, 0xcb, 0x00, 0xdf, 0x01, 0x02); + dsi_generic_write_seq(dsi, 0xb5, + 0x01, 0x1f, 0x01, 0x51, 0x01, 0x7a, 0x01, 0xbf, + 0x01, 0xfa, 0x01, 0xfc, 0x02, 0x34, 0x02, 0x76); + dsi_generic_write_seq(dsi, 0xb6, + 0x02, 0x9f, 0x02, 0xd7, 0x02, 0xfc, 0x03, 0x2c, + 0x03, 0x4a, 0x03, 0x63, 0x03, 0x8f, 0x03, 0xa2); + dsi_generic_write_seq(dsi, 0xb7, 0x03, 0xb8, 0x03, 0xba); + dsi_generic_write_seq(dsi, 0xb8, + 0x00, 0x01, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x2a, + 0x00, 0x41, 0x00, 0x67, 0x00, 0x87, 0x00, 0xb9); + dsi_generic_write_seq(dsi, 0xb9, + 0x00, 0xe2, 0x01, 0x22, 0x01, 0x54, 0x01, 0xa3, + 0x01, 0xe6, 0x01, 0xe7, 0x02, 0x24, 0x02, 0x67); + dsi_generic_write_seq(dsi, 0xba, + 0x02, 0x93, 0x02, 0xcd, 0x02, 0xf6, 0x03, 0x31, + 0x03, 0x6c, 0x03, 0xe9, 0x03, 0xef, 0x03, 0xf4); + dsi_generic_write_seq(dsi, 0xbb, 0x03, 0xf6, 0x03, 0xf7); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x03); + dsi_generic_write_seq(dsi, 0xb0, 0x22, 0x00); + dsi_generic_write_seq(dsi, 0xb1, 0x22, 0x00); + dsi_generic_write_seq(dsi, 0xb2, 0x05, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xb3, 0x05, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xb4, 0x05, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xb5, 0x05, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xba, 0x53, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xbb, 0x53, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xbc, 0x53, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xbd, 0x53, 0x00, 0x60, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xc0, 0x00, 0x34, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xc1, 0x00, 0x00, 0x34, 0x00); + dsi_generic_write_seq(dsi, 0xc2, 0x00, 0x00, 0x34, 0x00); + dsi_generic_write_seq(dsi, 0xc3, 0x00, 0x00, 0x34, 0x00); + dsi_generic_write_seq(dsi, 0xc4, 0x60); + dsi_generic_write_seq(dsi, 0xc5, 0xc0); + dsi_generic_write_seq(dsi, 0xc6, 0x00); + dsi_generic_write_seq(dsi, 0xc7, 0x00); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x05); + dsi_generic_write_seq(dsi, 0xb0, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb1, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb2, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb3, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb4, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb5, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb6, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb7, 0x17, 0x06); + dsi_generic_write_seq(dsi, 0xb8, 0x00); + dsi_generic_write_seq(dsi, 0xb9, 0x00, 0x03); + dsi_generic_write_seq(dsi, 0xba, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xbb, 0x02, 0x03); + dsi_generic_write_seq(dsi, 0xbc, 0x02, 0x03); + dsi_generic_write_seq(dsi, 0xbd, 0x03, 0x03, 0x00, 0x03, 0x03); + dsi_generic_write_seq(dsi, 0xc0, 0x0b); + dsi_generic_write_seq(dsi, 0xc1, 0x09); + dsi_generic_write_seq(dsi, 0xc2, 0xa6); + dsi_generic_write_seq(dsi, 0xc3, 0x05); + dsi_generic_write_seq(dsi, 0xc4, 0x00); + dsi_generic_write_seq(dsi, 0xc5, 0x02); + dsi_generic_write_seq(dsi, 0xc6, 0x22); + dsi_generic_write_seq(dsi, 0xc7, 0x03); + dsi_generic_write_seq(dsi, 0xc8, 0x07, 0x20); + dsi_generic_write_seq(dsi, 0xc9, 0x03, 0x20); + dsi_generic_write_seq(dsi, 0xca, 0x01, 0x60); + dsi_generic_write_seq(dsi, 0xcb, 0x01, 0x60); + dsi_generic_write_seq(dsi, 0xcc, 0x00, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xcd, 0x00, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xce, 0x00, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xcf, 0x00, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xd1, 0x00, 0x05, 0x01, 0x07, 0x10); + dsi_generic_write_seq(dsi, 0xd2, 0x10, 0x05, 0x05, 0x03, 0x10); + dsi_generic_write_seq(dsi, 0xd3, 0x20, 0x00, 0x43, 0x07, 0x10); + dsi_generic_write_seq(dsi, 0xd4, 0x30, 0x00, 0x43, 0x07, 0x10); + dsi_generic_write_seq(dsi, 0xd0, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xd5, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xd6, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xd7, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xe5, 0x06); + dsi_generic_write_seq(dsi, 0xe6, 0x06); + dsi_generic_write_seq(dsi, 0xe7, 0x00); + dsi_generic_write_seq(dsi, 0xe8, 0x06); + dsi_generic_write_seq(dsi, 0xe9, 0x06); + dsi_generic_write_seq(dsi, 0xea, 0x06); + dsi_generic_write_seq(dsi, 0xeb, 0x00); + dsi_generic_write_seq(dsi, 0xec, 0x00); + dsi_generic_write_seq(dsi, 0xed, 0x30); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x06); + dsi_generic_write_seq(dsi, 0xb0, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xb1, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xb2, 0x2d, 0x2e); + dsi_generic_write_seq(dsi, 0xb3, 0x31, 0x34); + dsi_generic_write_seq(dsi, 0xb4, 0x29, 0x2a); + dsi_generic_write_seq(dsi, 0xb5, 0x12, 0x10); + dsi_generic_write_seq(dsi, 0xb6, 0x18, 0x16); + dsi_generic_write_seq(dsi, 0xb7, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xb8, 0x08, 0x31); + dsi_generic_write_seq(dsi, 0xb9, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xba, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xbb, 0x31, 0x08); + dsi_generic_write_seq(dsi, 0xbc, 0x03, 0x01); + dsi_generic_write_seq(dsi, 0xbd, 0x17, 0x19); + dsi_generic_write_seq(dsi, 0xbe, 0x11, 0x13); + dsi_generic_write_seq(dsi, 0xbf, 0x2a, 0x29); + dsi_generic_write_seq(dsi, 0xc0, 0x34, 0x31); + dsi_generic_write_seq(dsi, 0xc1, 0x2e, 0x2d); + dsi_generic_write_seq(dsi, 0xc2, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xc3, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xc4, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xc5, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xc6, 0x2e, 0x2d); + dsi_generic_write_seq(dsi, 0xc7, 0x31, 0x34); + dsi_generic_write_seq(dsi, 0xc8, 0x29, 0x2a); + dsi_generic_write_seq(dsi, 0xc9, 0x17, 0x19); + dsi_generic_write_seq(dsi, 0xca, 0x11, 0x13); + dsi_generic_write_seq(dsi, 0xcb, 0x03, 0x01); + dsi_generic_write_seq(dsi, 0xcc, 0x08, 0x31); + dsi_generic_write_seq(dsi, 0xcd, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xce, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xcf, 0x31, 0x08); + dsi_generic_write_seq(dsi, 0xd0, 0x00, 0x02); + dsi_generic_write_seq(dsi, 0xd1, 0x12, 0x10); + dsi_generic_write_seq(dsi, 0xd2, 0x18, 0x16); + dsi_generic_write_seq(dsi, 0xd3, 0x2a, 0x29); + dsi_generic_write_seq(dsi, 0xd4, 0x34, 0x31); + dsi_generic_write_seq(dsi, 0xd5, 0x2d, 0x2e); + dsi_generic_write_seq(dsi, 0xd6, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xd7, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xe5, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xe6, 0x31, 0x31); + dsi_generic_write_seq(dsi, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xd9, 0x00, 0x00, 0x00, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xe7, 0x00); + dsi_generic_write_seq(dsi, 0x6f, 0x02); + dsi_generic_write_seq(dsi, 0xf7, 0x47); + dsi_generic_write_seq(dsi, 0x6f, 0x0a); + dsi_generic_write_seq(dsi, 0xf7, 0x02); + dsi_generic_write_seq(dsi, 0x6f, 0x17); + dsi_generic_write_seq(dsi, 0xf4, 0x60); + dsi_generic_write_seq(dsi, 0x6f, 0x01); + dsi_generic_write_seq(dsi, 0xf9, 0x46); + dsi_generic_write_seq(dsi, 0x6f, 0x11); + dsi_generic_write_seq(dsi, 0xf3, 0x01); + dsi_generic_write_seq(dsi, 0x35, 0x00); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x00); + dsi_generic_write_seq(dsi, 0xd9, 0x02, 0x03, 0x00); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x08, 0x00); + dsi_generic_write_seq(dsi, 0xb1, 0x6c, 0x21); + dsi_generic_write_seq(dsi, 0xf0, 0x55, 0xaa, 0x52, 0x00, 0x00); + dsi_generic_write_seq(dsi, 0x35, 0x00); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to exit sleep mode: %d\n", ret); + return ret; + } + msleep(120); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display on: %d\n", ret); + return ret; + } + usleep_range(1000, 2000); + + dsi_generic_write_seq(dsi, 0x53, 0x24); + + return 0; +} + +static int truly_nt35521_off(struct truly_nt35521 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + msleep(50); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + msleep(150); + + return 0; +} + +static int truly_nt35521_prepare(struct drm_panel *panel) +{ + struct truly_nt35521 *ctx = to_truly_nt35521(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + + truly_nt35521_reset(ctx); + + ret = truly_nt35521_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int truly_nt35521_unprepare(struct drm_panel *panel) +{ + struct truly_nt35521 *ctx = to_truly_nt35521(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = truly_nt35521_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static int truly_nt35521_enable(struct drm_panel *panel) +{ + struct truly_nt35521 *ctx = to_truly_nt35521(panel); + + if (ctx->enabled) + return 0; + + gpiod_set_value_cansleep(ctx->blen_gpio, 1); + + ctx->enabled = true; + return 0; +} + +static int truly_nt35521_disable(struct drm_panel *panel) +{ + struct truly_nt35521 *ctx = to_truly_nt35521(panel); + + if (!ctx->enabled) + return 0; + + gpiod_set_value_cansleep(ctx->blen_gpio, 0); + + ctx->enabled = false; + return 0; +} + +static const struct drm_display_mode truly_nt35521_mode = { + .clock = (720 + 232 + 20 + 112) * (1280 + 18 + 1 + 18) * 60 / 1000, + .hdisplay = 720, + .hsync_start = 720 + 232, + .hsync_end = 720 + 232 + 20, + .htotal = 720 + 232 + 20 + 112, + .vdisplay = 1280, + .vsync_start = 1280 + 18, + .vsync_end = 1280 + 18 + 1, + .vtotal = 1280 + 18 + 1 + 18, + .width_mm = 65, + .height_mm = 116, +}; + +static int truly_nt35521_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &truly_nt35521_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs truly_nt35521_panel_funcs = { + .prepare = truly_nt35521_prepare, + .unprepare = truly_nt35521_unprepare, + .enable = truly_nt35521_enable, + .disable = truly_nt35521_disable, + .get_modes = truly_nt35521_get_modes, +}; + +static int truly_nt35521_bl_update_status(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = backlight_get_brightness(bl); + int ret; + + ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness); + if (ret < 0) + return ret; + + return 0; +} + +static int truly_nt35521_bl_get_brightness(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness; + int ret; + + ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness); + if (ret < 0) + return ret; + + return brightness & 0xff; +} + +static const struct backlight_ops truly_nt35521_bl_ops = { + .update_status = truly_nt35521_bl_update_status, + .get_brightness = truly_nt35521_bl_get_brightness, +}; + +static struct backlight_device * +truly_nt35521_create_backlight(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct backlight_properties props = { + .type = BACKLIGHT_RAW, + .brightness = 255, + .max_brightness = 255, + }; + + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, + &truly_nt35521_bl_ops, &props); +} + +static int truly_nt35521_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct truly_nt35521 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "positive5"; + ctx->supplies[1].supply = "negative5"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to get regulators: %d\n", ret); + return ret; + } + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); + + ctx->blen_gpio = devm_gpiod_get(dev, "backlight", GPIOD_OUT_LOW); + if (IS_ERR(ctx->blen_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->blen_gpio), + "Failed to get backlight-gpios\n"); + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_NO_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS; + + drm_panel_init(&ctx->panel, dev, &truly_nt35521_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ctx->panel.backlight = truly_nt35521_create_backlight(dsi); + if (IS_ERR(ctx->panel.backlight)) + return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), + "Failed to create backlight\n"); + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void truly_nt35521_remove(struct mipi_dsi_device *dsi) +{ + struct truly_nt35521 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); +} + +static const struct of_device_id truly_nt35521_of_match[] = { + { .compatible = "sony,tulip-truly-nt35521" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, truly_nt35521_of_match); + +static struct mipi_dsi_driver truly_nt35521_driver = { + .probe = truly_nt35521_probe, + .remove = truly_nt35521_remove, + .driver = { + .name = "panel-truly-nt35521", + .of_match_table = truly_nt35521_of_match, + }, +}; +module_mipi_dsi_driver(truly_nt35521_driver); + +MODULE_AUTHOR("Shawn Guo "); +MODULE_DESCRIPTION("DRM driver for Sony Tulip Truly NT35521 panel"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3