1.. SPDX-License-Identifier: GPL-2.0 2 3============================== 4Driver implementer's API guide 5============================== 6 7The kernel offers a wide variety of interfaces to support the development 8of device drivers. This document is an only somewhat organized collection 9of some of those interfaces — it will hopefully get better over time! The 10available subsections can be seen below. 11 12 13General information for driver authors 14====================================== 15 16This section contains documentation that should, at some point or other, be 17of interest to most developers working on device drivers. 18 19.. toctree:: 20 :maxdepth: 1 21 22 basics 23 driver-model/index 24 device_link 25 infrastructure 26 ioctl 27 pm/index 28 29Useful support libraries 30======================== 31 32This section contains documentation that should, at some point or other, be 33of interest to most developers working on device drivers. 34 35.. toctree:: 36 :maxdepth: 1 37 38 early-userspace/index 39 connector 40 device-io 41 devfreq 42 dma-buf 43 component 44 io-mapping 45 io_ordering 46 uio-howto 47 vfio-mediated-device 48 vfio 49 vfio-pci-device-specific-driver-acceptance 50 51Bus-level documentation 52======================= 53 54.. toctree:: 55 :maxdepth: 1 56 57 auxiliary_bus 58 cxl/index 59 eisa 60 firewire 61 i3c/index 62 isa 63 men-chameleon-bus 64 pci/index 65 rapidio/index 66 slimbus 67 usb/index 68 virtio/index 69 vme 70 w1 71 xillybus 72 73 74Subsystem-specific APIs 75======================= 76 77.. toctree:: 78 :maxdepth: 1 79 80 80211/index 81 acpi/index 82 backlight/lp855x-driver.rst 83 clk 84 console 85 crypto/index 86 dmaengine/index 87 dpll 88 edac 89 firmware/index 90 fpga/index 91 frame-buffer 92 aperture 93 generic-counter 94 gpio/index 95 hsi 96 hte/index 97 i2c 98 iio/index 99 infiniband 100 input 101 interconnect 102 ipmb 103 ipmi 104 libata 105 mailbox 106 md/index 107 media/index 108 mei/index 109 memory-devices/index 110 message-based 111 misc_devices 112 miscellaneous 113 mmc/index 114 mtd/index 115 mtdnand 116 nfc/index 117 ntb 118 nvdimm/index 119 nvmem 120 parport-lowlevel 121 phy/index 122 pin-control 123 pldmfw/index 124 pps 125 ptp 126 pwm 127 regulator 128 reset 129 rfkill 130 s390-drivers 131 scsi 132 serial/index 133 sm501 134 soundwire/index 135 spi 136 surface_aggregator/index 137 switchtec 138 sync_file 139 target 140 tee 141 thermal/index 142 tty/index 143 wbrf 144 wmi 145 xilinx/index 146 zorro 147 148.. only:: subproject and html 149 150 Indices 151 ======= 152 153 * :ref:`genindex` 154