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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/mediatek/mtk_drm_drv.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/mediatek/mtk_drm_drv.c')
-rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c new file mode 100644 index 000000000..cd5b18ef7 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -0,0 +1,904 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: YT SHEN <yt.shen@mediatek.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/component.h> +#include <linux/iommu.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/pm_runtime.h> +#include <linux/dma-mapping.h> + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_drv.h> +#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_gem.h> +#include <drm/drm_gem_dma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_of.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_vblank.h> + +#include "mtk_drm_crtc.h" +#include "mtk_drm_ddp_comp.h" +#include "mtk_drm_drv.h" +#include "mtk_drm_gem.h" + +#define DRIVER_NAME "mediatek" +#define DRIVER_DESC "Mediatek SoC DRM" +#define DRIVER_DATE "20150513" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 + +static const struct drm_mode_config_helper_funcs mtk_drm_mode_config_helpers = { + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, +}; + +static struct drm_framebuffer * +mtk_drm_mode_fb_create(struct drm_device *dev, + struct drm_file *file, + const struct drm_mode_fb_cmd2 *cmd) +{ + const struct drm_format_info *info = drm_get_format_info(dev, cmd); + + if (info->num_planes != 1) + return ERR_PTR(-EINVAL); + + return drm_gem_fb_create(dev, file, cmd); +} + +static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = { + .fb_create = mtk_drm_mode_fb_create, + .atomic_check = drm_atomic_helper_check, + .atomic_commit = drm_atomic_helper_commit, +}; + +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_BLS, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = { + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_BLS, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt7623_mtk_ddp_ext[] = { + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_OD0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_DPI0, + DDP_COMPONENT_PWM0, +}; + +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = { + DDP_COMPONENT_OVL1, + DDP_COMPONENT_COLOR1, + DDP_COMPONENT_AAL1, + DDP_COMPONENT_OD1, + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DPI1, + DDP_COMPONENT_PWM1, +}; + +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = { + DDP_COMPONENT_RDMA2, + DDP_COMPONENT_DSI3, + DDP_COMPONENT_PWM2, +}; + +static enum mtk_ddp_comp_id mt8167_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_OD0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_UFOE, + DDP_COMPONENT_DSI0, + DDP_COMPONENT_PWM0, +}; + +static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = { + DDP_COMPONENT_OVL1, + DDP_COMPONENT_COLOR1, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_OVL_2L0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_ext[] = { + DDP_COMPONENT_OVL_2L1, + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt8186_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_POSTMASK0, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt8186_mtk_ddp_ext[] = { + DDP_COMPONENT_OVL_2L0, + DDP_COMPONENT_RDMA1, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_OVL_2L0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_POSTMASK0, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_DSI0, +}; + +static const enum mtk_ddp_comp_id mt8192_mtk_ddp_ext[] = { + DDP_COMPONENT_OVL_2L2, + DDP_COMPONENT_RDMA4, + DDP_COMPONENT_DPI0, +}; + +static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_DSC0, + DDP_COMPONENT_MERGE0, + DDP_COMPONENT_DP_INTF0, +}; + +static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { + .main_path = mt2701_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt2701_mtk_ddp_main), + .ext_path = mt2701_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext), + .shadow_register = true, +}; + +static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt2701_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { + .main_path = mt7623_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt7623_mtk_ddp_main), + .ext_path = mt7623_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext), + .shadow_register = true, +}; + +static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt7623_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { + .main_path = mt2712_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt2712_mtk_ddp_main), + .ext_path = mt2712_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext), + .third_path = mt2712_mtk_ddp_third, + .third_len = ARRAY_SIZE(mt2712_mtk_ddp_third), +}; + +static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt2712_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = { + .main_path = mt8167_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8167_mtk_ddp_main), +}; + +static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8167_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { + .main_path = mt8173_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main), + .ext_path = mt8173_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext), +}; + +static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8173_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { + .main_path = mt8183_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8183_mtk_ddp_main), + .ext_path = mt8183_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext), +}; + +static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8183_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = { + .main_path = mt8186_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8186_mtk_ddp_main), + .ext_path = mt8186_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8186_mtk_ddp_ext), +}; + +static const struct mtk_mmsys_match_data mt8186_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8186_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { + .main_path = mt8192_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8192_mtk_ddp_main), + .ext_path = mt8192_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext), +}; + +static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8192_mmsys_driver_data, + }, +}; + +static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { + .io_start = 0x1c01a000, + .main_path = mt8195_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), +}; + +static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { + .io_start = 0x1c100000, +}; + +static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = { + .num_drv_data = 1, + .drv_data = { + &mt8195_vdosys0_driver_data, + &mt8195_vdosys1_driver_data, + }, +}; + +static int mtk_drm_kms_init(struct drm_device *drm) +{ + struct mtk_drm_private *private = drm->dev_private; + struct platform_device *pdev; + struct device_node *np; + struct device *dma_dev; + int ret; + + if (drm_firmware_drivers_only()) + return -ENODEV; + + if (!iommu_present(&platform_bus_type)) + return -EPROBE_DEFER; + + pdev = of_find_device_by_node(private->mutex_node); + if (!pdev) { + dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n", + private->mutex_node); + of_node_put(private->mutex_node); + return -EPROBE_DEFER; + } + private->mutex_dev = &pdev->dev; + + ret = drmm_mode_config_init(drm); + if (ret) + goto put_mutex_dev; + + drm->mode_config.min_width = 64; + drm->mode_config.min_height = 64; + + /* + * set max width and height as default value(4096x4096). + * this value would be used to check framebuffer size limitation + * at drm_mode_addfb(). + */ + drm->mode_config.max_width = 4096; + drm->mode_config.max_height = 4096; + drm->mode_config.funcs = &mtk_drm_mode_config_funcs; + drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; + + ret = component_bind_all(drm->dev, drm); + if (ret) + goto put_mutex_dev; + + /* + * Ensure internal panels are at the top of the connector list before + * crtc creation. + */ + drm_helper_move_panel_connectors_to_head(drm); + + /* + * We currently support two fixed data streams, each optional, + * and each statically assigned to a crtc: + * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... + */ + ret = mtk_drm_crtc_create(drm, private->data->main_path, + private->data->main_len); + if (ret < 0) + goto err_component_unbind; + /* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */ + ret = mtk_drm_crtc_create(drm, private->data->ext_path, + private->data->ext_len); + if (ret < 0) + goto err_component_unbind; + + ret = mtk_drm_crtc_create(drm, private->data->third_path, + private->data->third_len); + if (ret < 0) + goto err_component_unbind; + + /* Use OVL device for all DMA memory allocations */ + np = private->comp_node[private->data->main_path[0]] ?: + private->comp_node[private->data->ext_path[0]]; + pdev = of_find_device_by_node(np); + if (!pdev) { + ret = -ENODEV; + dev_err(drm->dev, "Need at least one OVL device\n"); + goto err_component_unbind; + } + + dma_dev = &pdev->dev; + private->dma_dev = dma_dev; + + /* + * Configure the DMA segment size to make sure we get contiguous IOVA + * when importing PRIME buffers. + */ + ret = dma_set_max_seg_size(dma_dev, UINT_MAX); + if (ret) { + dev_err(dma_dev, "Failed to set DMA segment size\n"); + goto err_component_unbind; + } + + ret = drm_vblank_init(drm, MAX_CRTC); + if (ret < 0) + goto err_component_unbind; + + drm_kms_helper_poll_init(drm); + drm_mode_config_reset(drm); + + return 0; + +err_component_unbind: + component_unbind_all(drm->dev, drm); +put_mutex_dev: + put_device(private->mutex_dev); + return ret; +} + +static void mtk_drm_kms_deinit(struct drm_device *drm) +{ + drm_kms_helper_poll_fini(drm); + drm_atomic_helper_shutdown(drm); + + component_unbind_all(drm->dev, drm); +} + +DEFINE_DRM_GEM_FOPS(mtk_drm_fops); + +/* + * We need to override this because the device used to import the memory is + * not dev->dev, as drm_gem_prime_import() expects. + */ +static struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev, + struct dma_buf *dma_buf) +{ + struct mtk_drm_private *private = dev->dev_private; + + return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev); +} + +static const struct drm_driver mtk_drm_driver = { + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC, + + .dumb_create = mtk_drm_gem_dumb_create, + + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_import = mtk_drm_gem_prime_import, + .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, + .gem_prime_mmap = drm_gem_prime_mmap, + .fops = &mtk_drm_fops, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, +}; + +static int mtk_drm_bind(struct device *dev) +{ + struct mtk_drm_private *private = dev_get_drvdata(dev); + struct drm_device *drm; + int ret; + + drm = drm_dev_alloc(&mtk_drm_driver, dev); + if (IS_ERR(drm)) + return PTR_ERR(drm); + + drm->dev_private = private; + private->drm = drm; + + ret = mtk_drm_kms_init(drm); + if (ret < 0) + goto err_free; + + ret = drm_dev_register(drm, 0); + if (ret < 0) + goto err_deinit; + + drm_fbdev_generic_setup(drm, 32); + + return 0; + +err_deinit: + mtk_drm_kms_deinit(drm); +err_free: + drm_dev_put(drm); + return ret; +} + +static void mtk_drm_unbind(struct device *dev) +{ + struct mtk_drm_private *private = dev_get_drvdata(dev); + + drm_dev_unregister(private->drm); + mtk_drm_kms_deinit(private->drm); + drm_dev_put(private->drm); + private->num_pipes = 0; + private->drm = NULL; +} + +static const struct component_master_ops mtk_drm_ops = { + .bind = mtk_drm_bind, + .unbind = mtk_drm_unbind, +}; + +static const struct of_device_id mtk_ddp_comp_dt_ids[] = { + { .compatible = "mediatek,mt8167-disp-aal", + .data = (void *)MTK_DISP_AAL}, + { .compatible = "mediatek,mt8173-disp-aal", + .data = (void *)MTK_DISP_AAL}, + { .compatible = "mediatek,mt8183-disp-aal", + .data = (void *)MTK_DISP_AAL}, + { .compatible = "mediatek,mt8192-disp-aal", + .data = (void *)MTK_DISP_AAL}, + { .compatible = "mediatek,mt8167-disp-ccorr", + .data = (void *)MTK_DISP_CCORR }, + { .compatible = "mediatek,mt8183-disp-ccorr", + .data = (void *)MTK_DISP_CCORR }, + { .compatible = "mediatek,mt8192-disp-ccorr", + .data = (void *)MTK_DISP_CCORR }, + { .compatible = "mediatek,mt2701-disp-color", + .data = (void *)MTK_DISP_COLOR }, + { .compatible = "mediatek,mt8167-disp-color", + .data = (void *)MTK_DISP_COLOR }, + { .compatible = "mediatek,mt8173-disp-color", + .data = (void *)MTK_DISP_COLOR }, + { .compatible = "mediatek,mt8167-disp-dither", + .data = (void *)MTK_DISP_DITHER }, + { .compatible = "mediatek,mt8183-disp-dither", + .data = (void *)MTK_DISP_DITHER }, + { .compatible = "mediatek,mt8195-disp-dsc", + .data = (void *)MTK_DISP_DSC }, + { .compatible = "mediatek,mt8167-disp-gamma", + .data = (void *)MTK_DISP_GAMMA, }, + { .compatible = "mediatek,mt8173-disp-gamma", + .data = (void *)MTK_DISP_GAMMA, }, + { .compatible = "mediatek,mt8183-disp-gamma", + .data = (void *)MTK_DISP_GAMMA, }, + { .compatible = "mediatek,mt8195-disp-merge", + .data = (void *)MTK_DISP_MERGE }, + { .compatible = "mediatek,mt2701-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt2712-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8167-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8173-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8183-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8186-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8192-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8195-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8173-disp-od", + .data = (void *)MTK_DISP_OD }, + { .compatible = "mediatek,mt2701-disp-ovl", + .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8167-disp-ovl", + .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8173-disp-ovl", + .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8183-disp-ovl", + .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8192-disp-ovl", + .data = (void *)MTK_DISP_OVL }, + { .compatible = "mediatek,mt8183-disp-ovl-2l", + .data = (void *)MTK_DISP_OVL_2L }, + { .compatible = "mediatek,mt8192-disp-ovl-2l", + .data = (void *)MTK_DISP_OVL_2L }, + { .compatible = "mediatek,mt8192-disp-postmask", + .data = (void *)MTK_DISP_POSTMASK }, + { .compatible = "mediatek,mt2701-disp-pwm", + .data = (void *)MTK_DISP_BLS }, + { .compatible = "mediatek,mt8167-disp-pwm", + .data = (void *)MTK_DISP_PWM }, + { .compatible = "mediatek,mt8173-disp-pwm", + .data = (void *)MTK_DISP_PWM }, + { .compatible = "mediatek,mt2701-disp-rdma", + .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt8167-disp-rdma", + .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt8173-disp-rdma", + .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt8183-disp-rdma", + .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt8195-disp-rdma", + .data = (void *)MTK_DISP_RDMA }, + { .compatible = "mediatek,mt8173-disp-ufoe", + .data = (void *)MTK_DISP_UFOE }, + { .compatible = "mediatek,mt8173-disp-wdma", + .data = (void *)MTK_DISP_WDMA }, + { .compatible = "mediatek,mt2701-dpi", + .data = (void *)MTK_DPI }, + { .compatible = "mediatek,mt8167-dsi", + .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt8173-dpi", + .data = (void *)MTK_DPI }, + { .compatible = "mediatek,mt8183-dpi", + .data = (void *)MTK_DPI }, + { .compatible = "mediatek,mt8188-dp-intf", + .data = (void *)MTK_DP_INTF }, + { .compatible = "mediatek,mt8192-dpi", + .data = (void *)MTK_DPI }, + { .compatible = "mediatek,mt8195-dp-intf", + .data = (void *)MTK_DP_INTF }, + { .compatible = "mediatek,mt2701-dsi", + .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt8173-dsi", + .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt8183-dsi", + .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt8186-dsi", + .data = (void *)MTK_DSI }, + { } +}; + +static const struct of_device_id mtk_drm_of_ids[] = { + { .compatible = "mediatek,mt2701-mmsys", + .data = &mt2701_mmsys_match_data}, + { .compatible = "mediatek,mt7623-mmsys", + .data = &mt7623_mmsys_match_data}, + { .compatible = "mediatek,mt2712-mmsys", + .data = &mt2712_mmsys_match_data}, + { .compatible = "mediatek,mt8167-mmsys", + .data = &mt8167_mmsys_match_data}, + { .compatible = "mediatek,mt8173-mmsys", + .data = &mt8173_mmsys_match_data}, + { .compatible = "mediatek,mt8183-mmsys", + .data = &mt8183_mmsys_match_data}, + { .compatible = "mediatek,mt8186-mmsys", + .data = &mt8186_mmsys_match_data}, + { .compatible = "mediatek,mt8192-mmsys", + .data = &mt8192_mmsys_match_data}, + { .compatible = "mediatek,mt8195-mmsys", + .data = &mt8195_mmsys_match_data}, + { } +}; +MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); + +static int mtk_drm_find_match_data(struct device *dev, + const struct mtk_mmsys_match_data *match_data) +{ + int i; + struct platform_device *pdev = of_find_device_by_node(dev->parent->of_node); + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "failed to get parent resource\n"); + return -EINVAL; + } + + for (i = 0; i < match_data->num_drv_data; i++) + if (match_data->drv_data[i]->io_start == res->start) + return i; + + return -EINVAL; +} + +static int mtk_drm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *phandle = dev->parent->of_node; + const struct of_device_id *of_id; + const struct mtk_mmsys_match_data *match_data; + struct mtk_drm_private *private; + struct device_node *node; + struct component_match *match = NULL; + int ret; + int i; + + private = devm_kzalloc(dev, sizeof(*private), GFP_KERNEL); + if (!private) + return -ENOMEM; + + private->mmsys_dev = dev->parent; + if (!private->mmsys_dev) { + dev_err(dev, "Failed to get MMSYS device\n"); + return -ENODEV; + } + + of_id = of_match_node(mtk_drm_of_ids, phandle); + if (!of_id) + return -ENODEV; + + match_data = of_id->data; + if (match_data->num_drv_data > 1) { + /* This SoC has multiple mmsys channels */ + ret = mtk_drm_find_match_data(dev, match_data); + if (ret < 0) { + dev_err(dev, "Couldn't get match driver data\n"); + return ret; + } + private->data = match_data->drv_data[ret]; + } else { + dev_dbg(dev, "Using single mmsys channel\n"); + private->data = match_data->drv_data[0]; + } + + /* Iterate over sibling DISP function blocks */ + for_each_child_of_node(phandle->parent, node) { + const struct of_device_id *of_id; + enum mtk_ddp_comp_type comp_type; + int comp_id; + + of_id = of_match_node(mtk_ddp_comp_dt_ids, node); + if (!of_id) + continue; + + if (!of_device_is_available(node)) { + dev_dbg(dev, "Skipping disabled component %pOF\n", + node); + continue; + } + + comp_type = (enum mtk_ddp_comp_type)of_id->data; + + if (comp_type == MTK_DISP_MUTEX) { + private->mutex_node = of_node_get(node); + continue; + } + + comp_id = mtk_ddp_comp_get_id(node, comp_type); + if (comp_id < 0) { + dev_warn(dev, "Skipping unknown component %pOF\n", + node); + continue; + } + + private->comp_node[comp_id] = of_node_get(node); + + /* + * Currently only the AAL, CCORR, COLOR, GAMMA, MERGE, OVL, RDMA, DSI, and DPI + * blocks have separate component platform drivers and initialize their own + * DDP component structure. The others are initialized here. + */ + if (comp_type == MTK_DISP_AAL || + comp_type == MTK_DISP_CCORR || + comp_type == MTK_DISP_COLOR || + comp_type == MTK_DISP_GAMMA || + comp_type == MTK_DISP_MERGE || + comp_type == MTK_DISP_OVL || + comp_type == MTK_DISP_OVL_2L || + comp_type == MTK_DISP_RDMA || + comp_type == MTK_DP_INTF || + comp_type == MTK_DPI || + comp_type == MTK_DSI) { + dev_info(dev, "Adding component match for %pOF\n", + node); + drm_of_component_match_add(dev, &match, component_compare_of, + node); + } + + ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id); + if (ret) { + of_node_put(node); + goto err_node; + } + } + + if (!private->mutex_node) { + dev_err(dev, "Failed to find disp-mutex node\n"); + ret = -ENODEV; + goto err_node; + } + + pm_runtime_enable(dev); + + platform_set_drvdata(pdev, private); + + ret = component_master_add_with_match(dev, &mtk_drm_ops, match); + if (ret) + goto err_pm; + + return 0; + +err_pm: + pm_runtime_disable(dev); +err_node: + of_node_put(private->mutex_node); + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + of_node_put(private->comp_node[i]); + return ret; +} + +static int mtk_drm_remove(struct platform_device *pdev) +{ + struct mtk_drm_private *private = platform_get_drvdata(pdev); + int i; + + component_master_del(&pdev->dev, &mtk_drm_ops); + pm_runtime_disable(&pdev->dev); + of_node_put(private->mutex_node); + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + of_node_put(private->comp_node[i]); + + return 0; +} + +static int mtk_drm_sys_prepare(struct device *dev) +{ + struct mtk_drm_private *private = dev_get_drvdata(dev); + struct drm_device *drm = private->drm; + + return drm_mode_config_helper_suspend(drm); +} + +static void mtk_drm_sys_complete(struct device *dev) +{ + struct mtk_drm_private *private = dev_get_drvdata(dev); + struct drm_device *drm = private->drm; + int ret; + + ret = drm_mode_config_helper_resume(drm); + if (ret) + dev_err(dev, "Failed to resume\n"); +} + +static const struct dev_pm_ops mtk_drm_pm_ops = { + .prepare = mtk_drm_sys_prepare, + .complete = mtk_drm_sys_complete, +}; + +static struct platform_driver mtk_drm_platform_driver = { + .probe = mtk_drm_probe, + .remove = mtk_drm_remove, + .driver = { + .name = "mediatek-drm", + .pm = &mtk_drm_pm_ops, + }, +}; + +static struct platform_driver * const mtk_drm_drivers[] = { + &mtk_disp_aal_driver, + &mtk_disp_ccorr_driver, + &mtk_disp_color_driver, + &mtk_disp_gamma_driver, + &mtk_disp_merge_driver, + &mtk_disp_ovl_driver, + &mtk_disp_rdma_driver, + &mtk_dpi_driver, + &mtk_drm_platform_driver, + &mtk_dsi_driver, + &mtk_mdp_rdma_driver, +}; + +static int __init mtk_drm_init(void) +{ + return platform_register_drivers(mtk_drm_drivers, + ARRAY_SIZE(mtk_drm_drivers)); +} + +static void __exit mtk_drm_exit(void) +{ + platform_unregister_drivers(mtk_drm_drivers, + ARRAY_SIZE(mtk_drm_drivers)); +} + +module_init(mtk_drm_init); +module_exit(mtk_drm_exit); + +MODULE_AUTHOR("YT SHEN <yt.shen@mediatek.com>"); +MODULE_DESCRIPTION("Mediatek SoC DRM driver"); +MODULE_LICENSE("GPL v2"); |