diff options
author | 2023-02-21 18:24:12 -0800 | |
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committer | 2023-02-21 18:24:12 -0800 | |
commit | 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch) | |
tree | cc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | |
download | linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip |
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().
...
Diffstat (limited to 'drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c')
-rw-r--r-- | drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c new file mode 100644 index 000000000..48c1702a8 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c @@ -0,0 +1,473 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2019 Radxa Limited + * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd. + * + * Author: + * - Jagan Teki <jagan@amarulasolutions.com> + * - Stephen Chen <stephen@radxa.com> + */ + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +#include <linux/gpio/consumer.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#define JD9365DA_INIT_CMD_LEN 2 + +struct jadard_init_cmd { + u8 data[JD9365DA_INIT_CMD_LEN]; +}; + +struct jadard_panel_desc { + const struct drm_display_mode mode; + unsigned int lanes; + enum mipi_dsi_pixel_format format; + const struct jadard_init_cmd *init_cmds; + u32 num_init_cmds; +}; + +struct jadard { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + const struct jadard_panel_desc *desc; + + struct regulator *vdd; + struct regulator *vccio; + struct gpio_desc *reset; +}; + +static inline struct jadard *panel_to_jadard(struct drm_panel *panel) +{ + return container_of(panel, struct jadard, panel); +} + +static int jadard_enable(struct drm_panel *panel) +{ + struct device *dev = panel->dev; + struct jadard *jadard = panel_to_jadard(panel); + const struct jadard_panel_desc *desc = jadard->desc; + struct mipi_dsi_device *dsi = jadard->dsi; + unsigned int i; + int err; + + msleep(10); + + for (i = 0; i < desc->num_init_cmds; i++) { + const struct jadard_init_cmd *cmd = &desc->init_cmds[i]; + + err = mipi_dsi_dcs_write_buffer(dsi, cmd->data, JD9365DA_INIT_CMD_LEN); + if (err < 0) + return err; + } + + msleep(120); + + err = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (err < 0) + DRM_DEV_ERROR(dev, "failed to exit sleep mode ret = %d\n", err); + + err = mipi_dsi_dcs_set_display_on(dsi); + if (err < 0) + DRM_DEV_ERROR(dev, "failed to set display on ret = %d\n", err); + + return 0; +} + +static int jadard_disable(struct drm_panel *panel) +{ + struct device *dev = panel->dev; + struct jadard *jadard = panel_to_jadard(panel); + int ret; + + ret = mipi_dsi_dcs_set_display_off(jadard->dsi); + if (ret < 0) + DRM_DEV_ERROR(dev, "failed to set display off: %d\n", ret); + + ret = mipi_dsi_dcs_enter_sleep_mode(jadard->dsi); + if (ret < 0) + DRM_DEV_ERROR(dev, "failed to enter sleep mode: %d\n", ret); + + return 0; +} + +static int jadard_prepare(struct drm_panel *panel) +{ + struct jadard *jadard = panel_to_jadard(panel); + int ret; + + ret = regulator_enable(jadard->vccio); + if (ret) + return ret; + + ret = regulator_enable(jadard->vdd); + if (ret) + return ret; + + gpiod_set_value(jadard->reset, 1); + msleep(5); + + gpiod_set_value(jadard->reset, 0); + msleep(10); + + gpiod_set_value(jadard->reset, 1); + msleep(120); + + return 0; +} + +static int jadard_unprepare(struct drm_panel *panel) +{ + struct jadard *jadard = panel_to_jadard(panel); + + gpiod_set_value(jadard->reset, 1); + msleep(120); + + regulator_disable(jadard->vdd); + regulator_disable(jadard->vccio); + + return 0; +} + +static int jadard_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct jadard *jadard = panel_to_jadard(panel); + const struct drm_display_mode *desc_mode = &jadard->desc->mode; + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, desc_mode); + if (!mode) { + DRM_DEV_ERROR(&jadard->dsi->dev, "failed to add mode %ux%ux@%u\n", + desc_mode->hdisplay, desc_mode->vdisplay, + drm_mode_vrefresh(desc_mode)); + return -ENOMEM; + } + + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + + return 1; +} + +static const struct drm_panel_funcs jadard_funcs = { + .disable = jadard_disable, + .unprepare = jadard_unprepare, + .prepare = jadard_prepare, + .enable = jadard_enable, + .get_modes = jadard_get_modes, +}; + +static const struct jadard_init_cmd cz101b4001_init_cmds[] = { + { .data = { 0xE0, 0x00 } }, + { .data = { 0xE1, 0x93 } }, + { .data = { 0xE2, 0x65 } }, + { .data = { 0xE3, 0xF8 } }, + { .data = { 0x80, 0x03 } }, + { .data = { 0xE0, 0x01 } }, + { .data = { 0x00, 0x00 } }, + { .data = { 0x01, 0x3B } }, + { .data = { 0x0C, 0x74 } }, + { .data = { 0x17, 0x00 } }, + { .data = { 0x18, 0xAF } }, + { .data = { 0x19, 0x00 } }, + { .data = { 0x1A, 0x00 } }, + { .data = { 0x1B, 0xAF } }, + { .data = { 0x1C, 0x00 } }, + { .data = { 0x35, 0x26 } }, + { .data = { 0x37, 0x09 } }, + { .data = { 0x38, 0x04 } }, + { .data = { 0x39, 0x00 } }, + { .data = { 0x3A, 0x01 } }, + { .data = { 0x3C, 0x78 } }, + { .data = { 0x3D, 0xFF } }, + { .data = { 0x3E, 0xFF } }, + { .data = { 0x3F, 0x7F } }, + { .data = { 0x40, 0x06 } }, + { .data = { 0x41, 0xA0 } }, + { .data = { 0x42, 0x81 } }, + { .data = { 0x43, 0x14 } }, + { .data = { 0x44, 0x23 } }, + { .data = { 0x45, 0x28 } }, + { .data = { 0x55, 0x02 } }, + { .data = { 0x57, 0x69 } }, + { .data = { 0x59, 0x0A } }, + { .data = { 0x5A, 0x2A } }, + { .data = { 0x5B, 0x17 } }, + { .data = { 0x5D, 0x7F } }, + { .data = { 0x5E, 0x6B } }, + { .data = { 0x5F, 0x5C } }, + { .data = { 0x60, 0x4F } }, + { .data = { 0x61, 0x4D } }, + { .data = { 0x62, 0x3F } }, + { .data = { 0x63, 0x42 } }, + { .data = { 0x64, 0x2B } }, + { .data = { 0x65, 0x44 } }, + { .data = { 0x66, 0x43 } }, + { .data = { 0x67, 0x43 } }, + { .data = { 0x68, 0x63 } }, + { .data = { 0x69, 0x52 } }, + { .data = { 0x6A, 0x5A } }, + { .data = { 0x6B, 0x4F } }, + { .data = { 0x6C, 0x4E } }, + { .data = { 0x6D, 0x20 } }, + { .data = { 0x6E, 0x0F } }, + { .data = { 0x6F, 0x00 } }, + { .data = { 0x70, 0x7F } }, + { .data = { 0x71, 0x6B } }, + { .data = { 0x72, 0x5C } }, + { .data = { 0x73, 0x4F } }, + { .data = { 0x74, 0x4D } }, + { .data = { 0x75, 0x3F } }, + { .data = { 0x76, 0x42 } }, + { .data = { 0x77, 0x2B } }, + { .data = { 0x78, 0x44 } }, + { .data = { 0x79, 0x43 } }, + { .data = { 0x7A, 0x43 } }, + { .data = { 0x7B, 0x63 } }, + { .data = { 0x7C, 0x52 } }, + { .data = { 0x7D, 0x5A } }, + { .data = { 0x7E, 0x4F } }, + { .data = { 0x7F, 0x4E } }, + { .data = { 0x80, 0x20 } }, + { .data = { 0x81, 0x0F } }, + { .data = { 0x82, 0x00 } }, + { .data = { 0xE0, 0x02 } }, + { .data = { 0x00, 0x02 } }, + { .data = { 0x01, 0x02 } }, + { .data = { 0x02, 0x00 } }, + { .data = { 0x03, 0x00 } }, + { .data = { 0x04, 0x1E } }, + { .data = { 0x05, 0x1E } }, + { .data = { 0x06, 0x1F } }, + { .data = { 0x07, 0x1F } }, + { .data = { 0x08, 0x1F } }, + { .data = { 0x09, 0x17 } }, + { .data = { 0x0A, 0x17 } }, + { .data = { 0x0B, 0x37 } }, + { .data = { 0x0C, 0x37 } }, + { .data = { 0x0D, 0x47 } }, + { .data = { 0x0E, 0x47 } }, + { .data = { 0x0F, 0x45 } }, + { .data = { 0x10, 0x45 } }, + { .data = { 0x11, 0x4B } }, + { .data = { 0x12, 0x4B } }, + { .data = { 0x13, 0x49 } }, + { .data = { 0x14, 0x49 } }, + { .data = { 0x15, 0x1F } }, + { .data = { 0x16, 0x01 } }, + { .data = { 0x17, 0x01 } }, + { .data = { 0x18, 0x00 } }, + { .data = { 0x19, 0x00 } }, + { .data = { 0x1A, 0x1E } }, + { .data = { 0x1B, 0x1E } }, + { .data = { 0x1C, 0x1F } }, + { .data = { 0x1D, 0x1F } }, + { .data = { 0x1E, 0x1F } }, + { .data = { 0x1F, 0x17 } }, + { .data = { 0x20, 0x17 } }, + { .data = { 0x21, 0x37 } }, + { .data = { 0x22, 0x37 } }, + { .data = { 0x23, 0x46 } }, + { .data = { 0x24, 0x46 } }, + { .data = { 0x25, 0x44 } }, + { .data = { 0x26, 0x44 } }, + { .data = { 0x27, 0x4A } }, + { .data = { 0x28, 0x4A } }, + { .data = { 0x29, 0x48 } }, + { .data = { 0x2A, 0x48 } }, + { .data = { 0x2B, 0x1F } }, + { .data = { 0x2C, 0x01 } }, + { .data = { 0x2D, 0x01 } }, + { .data = { 0x2E, 0x00 } }, + { .data = { 0x2F, 0x00 } }, + { .data = { 0x30, 0x1F } }, + { .data = { 0x31, 0x1F } }, + { .data = { 0x32, 0x1E } }, + { .data = { 0x33, 0x1E } }, + { .data = { 0x34, 0x1F } }, + { .data = { 0x35, 0x17 } }, + { .data = { 0x36, 0x17 } }, + { .data = { 0x37, 0x37 } }, + { .data = { 0x38, 0x37 } }, + { .data = { 0x39, 0x08 } }, + { .data = { 0x3A, 0x08 } }, + { .data = { 0x3B, 0x0A } }, + { .data = { 0x3C, 0x0A } }, + { .data = { 0x3D, 0x04 } }, + { .data = { 0x3E, 0x04 } }, + { .data = { 0x3F, 0x06 } }, + { .data = { 0x40, 0x06 } }, + { .data = { 0x41, 0x1F } }, + { .data = { 0x42, 0x02 } }, + { .data = { 0x43, 0x02 } }, + { .data = { 0x44, 0x00 } }, + { .data = { 0x45, 0x00 } }, + { .data = { 0x46, 0x1F } }, + { .data = { 0x47, 0x1F } }, + { .data = { 0x48, 0x1E } }, + { .data = { 0x49, 0x1E } }, + { .data = { 0x4A, 0x1F } }, + { .data = { 0x4B, 0x17 } }, + { .data = { 0x4C, 0x17 } }, + { .data = { 0x4D, 0x37 } }, + { .data = { 0x4E, 0x37 } }, + { .data = { 0x4F, 0x09 } }, + { .data = { 0x50, 0x09 } }, + { .data = { 0x51, 0x0B } }, + { .data = { 0x52, 0x0B } }, + { .data = { 0x53, 0x05 } }, + { .data = { 0x54, 0x05 } }, + { .data = { 0x55, 0x07 } }, + { .data = { 0x56, 0x07 } }, + { .data = { 0x57, 0x1F } }, + { .data = { 0x58, 0x40 } }, + { .data = { 0x5B, 0x30 } }, + { .data = { 0x5C, 0x16 } }, + { .data = { 0x5D, 0x34 } }, + { .data = { 0x5E, 0x05 } }, + { .data = { 0x5F, 0x02 } }, + { .data = { 0x63, 0x00 } }, + { .data = { 0x64, 0x6A } }, + { .data = { 0x67, 0x73 } }, + { .data = { 0x68, 0x1D } }, + { .data = { 0x69, 0x08 } }, + { .data = { 0x6A, 0x6A } }, + { .data = { 0x6B, 0x08 } }, + { .data = { 0x6C, 0x00 } }, + { .data = { 0x6D, 0x00 } }, + { .data = { 0x6E, 0x00 } }, + { .data = { 0x6F, 0x88 } }, + { .data = { 0x75, 0xFF } }, + { .data = { 0x77, 0xDD } }, + { .data = { 0x78, 0x3F } }, + { .data = { 0x79, 0x15 } }, + { .data = { 0x7A, 0x17 } }, + { .data = { 0x7D, 0x14 } }, + { .data = { 0x7E, 0x82 } }, + { .data = { 0xE0, 0x04 } }, + { .data = { 0x00, 0x0E } }, + { .data = { 0x02, 0xB3 } }, + { .data = { 0x09, 0x61 } }, + { .data = { 0x0E, 0x48 } }, + { .data = { 0xE0, 0x00 } }, + { .data = { 0xE6, 0x02 } }, + { .data = { 0xE7, 0x0C } }, +}; + +static const struct jadard_panel_desc cz101b4001_desc = { + .mode = { + .clock = 70000, + + .hdisplay = 800, + .hsync_start = 800 + 40, + .hsync_end = 800 + 40 + 18, + .htotal = 800 + 40 + 18 + 20, + + .vdisplay = 1280, + .vsync_start = 1280 + 20, + .vsync_end = 1280 + 20 + 4, + .vtotal = 1280 + 20 + 4 + 20, + + .width_mm = 62, + .height_mm = 110, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, + }, + .lanes = 4, + .format = MIPI_DSI_FMT_RGB888, + .init_cmds = cz101b4001_init_cmds, + .num_init_cmds = ARRAY_SIZE(cz101b4001_init_cmds), +}; + +static int jadard_dsi_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct jadard_panel_desc *desc; + struct jadard *jadard; + int ret; + + jadard = devm_kzalloc(&dsi->dev, sizeof(*jadard), GFP_KERNEL); + if (!jadard) + return -ENOMEM; + + desc = of_device_get_match_data(dev); + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_NO_EOT_PACKET; + dsi->format = desc->format; + dsi->lanes = desc->lanes; + + jadard->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(jadard->reset)) { + DRM_DEV_ERROR(&dsi->dev, "failed to get our reset GPIO\n"); + return PTR_ERR(jadard->reset); + } + + jadard->vdd = devm_regulator_get(dev, "vdd"); + if (IS_ERR(jadard->vdd)) { + DRM_DEV_ERROR(&dsi->dev, "failed to get vdd regulator\n"); + return PTR_ERR(jadard->vdd); + } + + jadard->vccio = devm_regulator_get(dev, "vccio"); + if (IS_ERR(jadard->vccio)) { + DRM_DEV_ERROR(&dsi->dev, "failed to get vccio regulator\n"); + return PTR_ERR(jadard->vccio); + } + + drm_panel_init(&jadard->panel, dev, &jadard_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&jadard->panel); + if (ret) + return ret; + + drm_panel_add(&jadard->panel); + + mipi_dsi_set_drvdata(dsi, jadard); + jadard->dsi = dsi; + jadard->desc = desc; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) + drm_panel_remove(&jadard->panel); + + return ret; +} + +static void jadard_dsi_remove(struct mipi_dsi_device *dsi) +{ + struct jadard *jadard = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(dsi); + drm_panel_remove(&jadard->panel); +} + +static const struct of_device_id jadard_of_match[] = { + { .compatible = "chongzhou,cz101b4001", .data = &cz101b4001_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jadard_of_match); + +static struct mipi_dsi_driver jadard_driver = { + .probe = jadard_dsi_probe, + .remove = jadard_dsi_remove, + .driver = { + .name = "jadard-jd9365da", + .of_match_table = jadard_of_match, + }, +}; +module_mipi_dsi_driver(jadard_driver); + +MODULE_AUTHOR("Jagan Teki <jagan@edgeble.ai>"); +MODULE_AUTHOR("Stephen Chen <stephen@radxa.com>"); +MODULE_DESCRIPTION("Jadard JD9365DA-H3 WXGA DSI panel"); +MODULE_LICENSE("GPL"); |