avoid various seemingly bogus warnings with GCC 14.

i couldn't see any real case for any of these issues. it seems like
the "maybe uninit" checker has gotten worse.

additionally, the "dangling pointer" checker also failing.

Step towards modularizing the Flattened Device Tree code.

Define attributes for each of the specific device bindings: clock,
dai, dma, gpio, i2c, iommu, mbox, mmc_pwrseq, phy, power, power domain,
pwm, regulator, reset controller, spi, system controller, pin
controller. Include these support files only if either a provider
or consumer with one of these attributes is present in the kernel
config.

Add the necessary attributes to the device / attach declarations for
each provider and consumer.

There are some bindings that are consumed by generic code (iommu, pinctrl,
power, power domain). Provide weak stubs for these routines to handle
situations where there is no provider.

No actual code changed; NFCI.

branches: 1.72.2;
drm: Use CPPFLAGS.drmkms in all local drm drivers too.

This way we don't pollute the NetBSD kernel namespace with all the
Linux compat shim definitions needed to build drm, except for the
local drm drivers that need the API.

Add support for Lichee Pi Zero from Rui-Xiang Guo on port-arm

sunxi: ccu: add support for basic "mux" clocks

Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.68.8;
ohci@fdt, ehci@fdt are machine independent; move from sunxi to sys/dev/fdt

Draft driver for Allwinner Crypto Engine.

Found on, e.g., the Pinebook.

Only used for TRNG at the moment, but hooking it up to opencrypto(9)
shouldn't be too hard if anyone still cares about that these days.

The distribution of the alleged TRNG is very nonuniform distributed
seems to alternate between toward runs with exceptionally high
fractions of 0 bits and runs with exceptionally high fractions of 1
bits -- initially all my samples were mostly 0's, and then all my
samples were mostly 1's, and now I'm seeing more oscillation between
these runs.

So I've wired it up as RND_TYPE_UNKNOWN, not RND_TYPE_RNG (it will
immediately flunk our rngtest and be disabled), and I estimated it to
provide at most one bit of entropy per byte of data -- which may
still be optimistic. I also added a sysctl node hw.sun8icryptoN.rng
to read out 1024-byte samples for analysis, and I left the driver
commented out in GENERIC64 for now.

(If anyone has contacts at Allwinner who can tell us about how the
alleged TRNG is supposed to work, please let me know!)

sun4i_spi: spi(4) driver for Allwinner A10/A20 platform

branches: 1.65.2;
sunxihstimer: add support for Allwinner High-Speed Timer

Add A80 USB support.

Add apb0 and cpus clock drivers for A80

Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.61.2;
Add support for Allwinner A64's display pipeline.

Add drivers for DE2 bus and clock controllers.

Add Allwinner A80 SMP support.

Add Allwinner A83T SMP support.

branches: 1.57.2;
Move simplefb declaration to files.fdt

Rename sunxi_com to dw_apb_uart and move it to dev/fdt since it is not
sunxi-specific.

Add support for Allwinner A64 audio codec.

Add driver for Allwinner PWM controller.

Add driver for Allwinner A64 PRCM CCU

Add driver for Allwinner NMI / R_INTC interrupt controller.

Add driver for Allwinner H6 PRCM CCU.

Add driver for Allwinner USB3 PHY.

Add support for Allwinner H6 CCU.

work in progress on porting graphics drivers from arm/allwinner to fdt.
sunxidebe: display backend drivers
sunxitcon: lcd controller driver
sunxihdmi: hdmi controller driver
sunxidep: display engine pipeline driver. Its role is only to parse the
fdt display-engine node, and activate de backend drivers based on the
content of allwinner,pipelines

So far HDMI and lvds output works, in dual-framebuffer mode.
It has only been tested on A20. It should be OK on the A10 too, but
will likely need more work for other SoCs.
Console is not handled yet, and it conflicts with the simplefb driver if
it has been activated by u-boot.

Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

Add some more A10/A20 clocks definitions; related to display engines.
The video PLLs requires a new clock type, SUNXI_CCU_FRACTIONAL

move from sys/arch/arm/arm32/armv7_generic_dma.c to sys/arch/arm/arm/arm_generic_dma.c,
and change variable name from armv7_generic_dma_tag to arm_generic_dma_tag

no functional change. (preliminary changes for merging aarch64)

fdt-ise the allwinner can and lradc drivers.

branches: 1.42.2;
Add support for Allwinner H6 CPUX and CPUS port controllers.

Adjust Allwinner emac(4) drivers to be compatible with root on NFS.

Adjust comment; sun4i_emac is also used on sun5i.

Add sun6i SPI driver.

Currently PIO-only.

branches: 1.38.2;
Allwinner NAND Flash Controller driver. Work in progress.

Change SUNXI_MMC_DEBUG to a bitmask, allowing for isolation of specific
device units. Useful for debugging sdio without seeing debug spam from the
SD card.

Add driver for sun4i/sun7i 10/100 Fast Ethernet controller (EMAC).

Add H5 (sun50i) support.

Add driver for sun4i SRAM controller.

sunxits needs sysmon_envsys

Add Allwinner A80 (sun9i) support.

Add A31 audio codec support.

Add A10/A20 SATA support

Add support for sun6i/sun7i ethernet

Add sun4i (A10) and sun7i (A20) GPIO support.

Add driver for sun4i (A10) and sun7i (A20) clock controller.

Add driver for thermal sensor controller found in Allwinner H3, A64, and
A83T SoCs.

Add a simple Security ID EFUSE driver.

Add support for Allwinner H3 PRCM clock controller.

Add support for USB OTG controllers in "host" mode.

Add support for Allwinner A64 SoCs.

branches: 1.21.2;
Remove the sunxi_debe driver in favour of the more generic simplefb.

Add sun4i DMA and audio codec support.

Add sun5i touchscreen driver.

Add a basic sun5i FB driver. This assumes that firmware (U-Boot) has
already setup the chip and re-uses the same settings / FB memory.

Add initial support for Allwinner A13 and R8 SoCs.

Add support for Allwinner H3 audio codec.

Add DMA controller driver for sun6i and later family SoCs.

Add watchdog timer support.

Add sun50i gpio and platform support.

branches: 1.12.2; 1.12.4;
Add SDMMC[012] sample/output clock phase controls.

Add misc. gates and resets driver, and explicitly enable PIO clocks
at attach.

Add A83T files

Add P2WI/RSB driver, based on awin_p2wi.c.

Add basic FDT GPIO support.

Add basic support for Allwinner A31.

Add driver for Allwinner Gigabit Ethernet (EMAC) as found in sun8i and
later family SoCs.

This is a port of my FreeBSD driver which has been confirmed to work on
Allwinner H3, A83T, and A64 SoCs.

Add RTC driver.

Add i2c glue.

Add USB stuff. Doesn't quite work yet.

Add H3 MMC support

Add initial support for Allwinner H3 SoC.

branches: 1.16.16;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.12.2;
Add A20 CLK_OUT_A and CLK_OUT_B clocks

sun4i: enable clocks for SPI[0-3], needed by sun4i_spi

branches: 1.10.4;
Add sun50i DE clocks.

branches: 1.9.2;
Add missing A10_RST_LVDS entry
fix sun4i_a10_ac_dig_table[] with values from arm/allwinner/,
audio plays at the right rate again on my lime2

Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

Add some more A10/A20 clocks definitions; related to display engines.
The video PLLs requires a new clock type, SUNXI_CCU_FRACTIONAL

branches: 1.6.2;
Add PLL1 table entry for 624 MHz

branches: 1.5.2;
add NAND module clock

Add A10/A20 cpufreq scaling support

Add A10/A20 SATA support

Add mmc sample and output phase clocks

Add driver for sun4i (A10) and sun7i (A20) clock controller.

branches: 1.1.2;
Add driver for sun4i (A10) and sun7i (A20) clock controller.

Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.2.2; 1.2.6; 1.2.8;
Setup routing at init and toggle PA mute pin (if available) for mute.

Add sun4i DMA and audio codec support.

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

external interrupt functions are named "eint<n>" in the sunxi_gpio_pins[]
arrays, while sunxi_gpio_establish() looks for "eint".
Rename eint<n> to eint in sunxi_gpio_pins[]. Tested with an external interrupt
on PH0 on an A20.

XXX others sunxi_gpio_pins[] contains names like px_eint<n>, px being the
name of the port bank. I guess they should be renamed to "eint" too to work
with sunxi_gpio_establish() but I'm not sure the functions are really the
same, and I have no way to test.

branches: 1.2.2; 1.2.4;
Fix PA16 and PA17 function 2; was reserved (NULL), should be "emac".

Add sun4i (A10) and sun7i (A20) GPIO support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

use fdtbus_intr_establish_xname

branches: 1.3.14;
sun4idma_halt(): do not set the control register to 0 but just clear
the LOAD bit. This is how it was done in the allwinner code.
I don't know why but without this, I could play sound (via sunxi_codec)
only once. After the call to sunxi_codec_halt_output(), subsequent play
would output only silence.

Initialize DDMA_PARA_REG with a sane value

branches: 1.1.2; 1.1.4;
Add sun4i DMA and audio codec support.

Eliminate use of IFF_OACTIVE.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

use fdtbus_intr_establish_xname

branches: 1.12.6;
Adopt <net/if_stats.h>.

branches: 1.11.4;
Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.

Whitespace fix (mainly tabify).

-No functional change:
- KNF
- u_int*_t -> uint*_t.

Protect ether_multi list

PR 54153

In drivers which use MII(4) and have hook SIOC[GS]IFMEDIA which just pass to
ifmedia_ioctl(), the hook is not required because ether_ioctl has it
(if_ethersubr.c rev. 1.160). These drivers don't return ENETRESET in
ifmedia_ioctl(), so no functional change.

Change MII PHY read/write API from:

int (*mii_readreg_t)(device_t, int, int);
void (*mii_writereg_t)(device_t, int, int, int);
to:

int (*mii_readreg_t)(device_t, int, int, uint16_t *);
int (*mii_writereg_t)(device_t, int, int, uint16_t);

Now we can test if a read/write operation failed or not by the return value.

In 802.3 spec says that the PHY shall not respond to read/write transaction
to the unimplemented register(22.2.4.3). Detecting timeout can be used to
check whether a register is implemented or not (if the register conforms to
the spec). ukphy(4) can be used this for MII_MMDACR and MII_MMDAADR.

Note that I noticed that the following code do infinite loop in the
read/wirte function. If it accesses unimplemented PHY register, it will hang.
It should be fixed:

arm/at91/at91emac.c
arm/ep93xx/epe.c
arm/omap/omapl1x_emac.c
mips/ralink/ralink_eth.c
arch/powerpc/booke/dev/pq3etsec.c(read)
dev/cadence/if_cemac.c <- hkenken
dev/ic/lan9118.c


Tested with the following device:

axe+ukphy
axe+rgephy
axen+rgephy (tested by Andrius V)
wm+atphy
wm+ukphy
wm+igphy
wm+ihphy
wm+makphy
sk+makphy
sk+brgphy
sk+gentbi
msk+makphy
sip+icsphy
sip+ukphy
re+rgephy
bge+brgphy
bnx+brgphy
gsip+gphyter
rtk+rlphy
fxp+inphy (tested by Andrius V)
tlp+acphy
ex+exphy
epic+qsphy
vge+ciphy (tested by Andrius V)
vr+ukphy (tested by Andrius V)
vte+ukphy (tested by Andrius V)

Not tested (MAC):
arm:at91emac
arm:cemac
arm:epe
arm:geminigmac
arm:enet
arm:cpsw
arm:emac(omac)
arm:emac(sunxi)
arm:npe
evbppc:temac
macppc:bm
macppc:gm
mips:aumac
mips:ae
mips:cnmac
mips:reth
mips:sbmac
playstation2:smap
powerpc:tsec
powerpc:emac(ibm4xx)
sgimips:mec
sparc:be
sf
ne(ax88190, dl10019)
awge
ep
gem
hme
smsh
mtd
sm
age
alc
ale
bce
cas
et
jme
lii
nfe
pcn
ste
stge
tl
xi
aue
mue
smsc
udav
url

Not tested (PHY):
amhphy
bmtphy
dmphy
etphy
glxtphy
ikphy
iophy
lxtphy
nsphyter
pnaphy
rdcphy
sqphy
tlphy
tqphy
urlphy

Be consistent among ethernet drivers on the convention for printing ethernet
addresses.

NFC

branches: 1.4.2;
Implement the BPF direction filter (BIOC[GS]DIRECTION). It provides backward
compatibility with BIOC[GS]SEESENT ioctl. The userland interface is the same
as FreeBSD.

This change also fixes a bug that the direction is misunderstand on some
environment by passing the direction to bpf_mtap*() instead of checking
m->m_pkthdr.rcvif.

branches: 1.3.2;
Another missing NULL-check.

branches: 1.2.2;
report VLAN MTU capability

Add driver for sun4i/sun7i 10/100 Fast Ethernet controller (EMAC).

Garbage-collect fdtbus_attach_spibus(). spibus_attach() does everything
now.

Register the SPI controller with FDT in spi_attach(), not in each
driver.

It is not necessary to pass the phandle separately to fdtbus_spi_*(); it
can be retrieved from the device_t.

Don't bother registering a function that returns a SPI controller; just
register the controller directly.

branches: 1.7.4; 1.7.14;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

use fdtbus_intr_establish_xname

branches: 1.5.8; 1.5.10;
Switch to fdtbus_attach_spibus(), so spi slaves defined in the device tree
have a chance to be found.

ensure spibus_attach_args is zero'ed

remove useless splbio() in sunxispi_start

We raised spl already in sunxispi_transfer.
XXX spi(4) should be made MPSAFE

make function prototype consistent

sun4i_spi: spi(4) driver for Allwinner A10/A20 platform

branches: 1.1.8;
sun4i_spi: spi(4) driver for Allwinner A10/A20 platform

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.9.10;
Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.8.2; 1.8.4; 1.8.6;
Add mic preamp controls and unswap L/R DAC channels to ADC mixer

Rename mic1 control to mic so audiorecord can use it

Add outputs.mute control

Mixer improvements:

- outputs.master switches between line and hp volume control, depending
on jack sense
- add outputs.source to override jack sense output routing
- (playback) line and hp controls are in the input class
- (capture) line and mic controls are in the record class

Disable lineout by default. If HP is not plugged at boot, we get an
unplug event. However, no plug event when HP is plugged at boot.

Add HP jack detect support. When HP is present, mute lineout.

Enable HP PA output

Add support for Allwinner A64 audio codec.

Use device_{get,set}prop_bool().

sunxi: sun50i-a64: add support for A64_CLK_CPUX clock

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.22.8;
Add SUNXI_CCU_NM_ROUND_DOWN to CE clock, fix pll parents to use 2X outputs

Add crypto engine clock

Try to avoid changing hardware settings when the "nomodeset" kernel arg
is present.

Set video PLLs to 297MHz

Set TCON1 parent to PLL_VIDEO1(1X)

Add TCON0 clock

Fix CLK_BUS_HDMI bit

Add SPI clocks

Add support for A64 I2S clocks.

branches: 1.13.2;
Fix gpu clock parent

Add GPU clocks

Add support for Allwinner A64's display pipeline.

Add sun50i DE clocks.

branches: 1.9.2;
Set SUNXI_CCU_NM_DIVIDE_BY_TWO on mmc module clocks. There is an
undocumented post divider between the clock and mmc module.

MMC clock source is the pll_periph's 2X output.

Add PLL_CPUX clock

Fix locations of bus gates

Add audio clocks

Add support for A64 thermal sensor clocks

branches: 1.3.2; 1.3.4;
Remove AHB2 source select init for now, it seems to cause EMAC RX problems

Fix bit offsets for OHCI

Add support for Allwinner A64 SoCs.

branches: 1.1.2;
Add support for Allwinner A64 SoCs.

Rename lcd function to lcd0

branches: 1.3.2;
Rename pwm0 function to pwm for PD22

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.1.2; 1.1.4; 1.1.6;
Add sun50i gpio and platform support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.16;
Add driver for Allwinner A64 PRCM CCU

branches: 1.1.2;
Add driver for Allwinner A64 PRCM CCU

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.3.12;
sun50i_h6_ccu: add PCIe clocks

sun50i_h6_ccu: add "pll_cpux"

Currently intended for display of existing clock rate via the sysctl
tree, and not yet for DVFS.

branches: 1.1.2; 1.1.4;
Add support for Allwinner H6 CCU.

branches: 1.1.2;
Add support for Allwinner H6 CCU.

add clock and reset for APB2 RSB on Allwinner H6

This H6 pin (PL9) function is called s_cir_rx, not s_cir.

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.1.2;
Add support for Allwinner H6 CPUX and CPUS port controllers.

add clock and reset for APB2 RSB on Allwinner H6

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.16;
Add driver for Allwinner H6 PRCM CCU.

add clock and reset for APB2 RSB on Allwinner H6

branches: 1.1.2;
Add driver for Allwinner H6 PRCM CCU.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.5.2; 1.5.18;
add NAND module clock

Add support for NextThing GR8.

branches: 1.3.2;
Add MMC clocks

Add audio clocks

Add initial support for Allwinner A13 and R8 SoCs.

branches: 1.1.2; 1.1.4;
Add initial support for Allwinner A13 and R8 SoCs.

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.2.2; 1.2.4; 1.2.6;
Add missing eint mappings

Add initial support for Allwinner A13 and R8 SoCs.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.4.2; 1.4.18;
add audio pll and codec clocks

add dma and codec gates

branches: 1.2.4; 1.2.6;
Add basic FDT GPIO support.

Add basic support for Allwinner A31.

branches: 1.1.4; 1.1.6; 1.1.8;
Add basic support for Allwinner A31.

Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.1.2; 1.1.6; 1.1.8;
Add A31 audio codec support.

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.2.4; 1.2.6; 1.2.8; 1.2.10;
Enable sunxi pinctrl support

Add basic FDT GPIO support.

risc-v: Allwinner D1 support

Add the Allwinnder D1 support provided by Rui-Xiang Guo and updated
but me.

https://mail-index.netbsd.org/port-riscv/2024/08/04/msg000127.html

Only driver listed as attaching in

https://github.com/picohive/netbsd-mangopi-mq-pro/blob/main/boot.log

have been added.

There is no need for the platform stuff as the board's u-boot is able
to load bootriscv64.efi and boot a generic kernel.

branches: 1.15.20;
Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.14.4;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

use fdtbus_intr_establish_xname

branches: 1.9.12;
Hint more strongly that "#if maybenever" is also "#if notyet".

Validate burst and width arguments.

Also add some more register definitions, and a (disabled) example of
how to set the DMA flow control mode.

Implement support for multi-segment transfers.
Make more efficent use of DMA descriptor table memory.

Handle different burst bits for h3/a64

branches: 1.5.2;
32-bit build fix

Set "DMA MCLK interface circuit auto gating bit" to 1 where required.

branches: 1.3.2;
match allwinner,sun50i-a64-dma

branches: 1.2.2; 1.2.4; 1.2.6;
Fix burst field encoding, and add a helper function to dump registers
from ddb.

Add DMA controller driver for sun6i and later family SoCs.

Encapsulate what's needed to attach a SPI bus into a spibus_attach()
inline.

branches: 1.10.2;
Merge thorpej-cfargs2.

branches: 1.9.2; 1.9.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

branches: 1.8.2;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

trailing whitespace

use fdtbus_intr_establish_xname

branches: 1.5.8;
ensure spibus_attach_args is zero'ed

remove useless splbio() in sunxispi_start

We raised spl already in sunxispi_transfer.
XXX spi(4) should be made MPSAFE

sun6i_spi: bring over non-intrusive improvements from sun4i_spi

- simplify attach error handling
- calculate minfreq & maxfreq instead of hardcoding
- print configured value of SPI_SCLK
- add convenience macro for reading/writing SPI register
- clean up commented out debug printfs

branches: 1.2.4;
wait at most one second for controller to complete reset

Add sun6i SPI driver.

Currently PIO-only.

Add register definitions file for sun6i_spi I forgot to add earlier.

branches: 1.1.2;
Add driver for sun4i (A10) and sun7i (A20) clock controller.

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

external interrupt functions are named "eint<n>" in the sunxi_gpio_pins[]
arrays, while sunxi_gpio_establish() looks for "eint".
Rename eint<n> to eint in sunxi_gpio_pins[]. Tested with an external interrupt
on PH0 on an A20.

XXX others sunxi_gpio_pins[] contains names like px_eint<n>, px being the
name of the port bank. I guess they should be renamed to "eint" too to work
with sunxi_gpio_establish() but I'm not sure the functions are really the
same, and I have no way to test.

Fix lvds output: PD10->19 are for lvds1, not lvds0. But they may be used
by tcon0 when it is set to dual-LVDS mode.

branches: 1.1.2; 1.1.4;
Add sun4i (A10) and sun7i (A20) GPIO support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.12;
Add apb0 and cpus clock drivers for A80

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.6.12;
Add support for cluster 0 and 1 CPUX PLLs.

branches: 1.5.2; 1.5.4; 1.5.6;
add missing clock gates

Add support for A83T eMMC.

Fix USB clocks

Add A83T clock IDs.

branches: 1.1.4; 1.1.6;
Add support for Allwinner A83T SoC.

branches: 1.2.2;
Add A83T clock IDs.

branches: 1.1.4; 1.1.6;
Add support for Allwinner A83T SoC.

"s_cir" function is now named "s_cir_rx"

"emac" function is now "gmac" in the dts

branches: 1.3.2;
hdmiddc -> hdmi for function name on PH6/PH7/PH8

Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.1.4; 1.1.6; 1.1.8; 1.1.10;
Add support for Allwinner A83T SoC.

sun8icodec: Update for binding spec changes.

The allwinner,sun8i-a33-codec binding spec has changed[1] to allow for
#sound-dai-cells to be either 0 or 1, to allow exporting multiple DAIs
from the codec.

This change updates the driver to allow #sound-dai-cells of either 0 or 1
while still only supporting AIF1 for the time being.

[1] https://github.com/torvalds/linux/commit/880e007f15a31f446b9e1713720c6ae5a539f3f4

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

use fdtbus_intr_establish_xname

branches: 1.7.10;
Update compatible strings for mainline

Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.5.2; 1.5.4; 1.5.6;
Delete whitespace, NFC

Pass mixer requests to the codec. It is the responsibility of the codec
to decide whether or not to dispatch to an aux device.

Disable lineout by default. If HP is not plugged at boot, we get an
unplug event. However, no plug event when HP is plugged at boot.

Add HP jack detect support. When HP is present, mute lineout.

Add support for Allwinner A64 audio codec.

opencrypto: Make freesession callback return void.

No functional change intended: all drivers already return zero
unconditionally.

sun8icrypto(4): Switch off polling when ready for interrupts.

When I introduced logic to do polling and then interrupts, I
accidentally made it switch polling from on to...still on, which had
the effect of breaking the logic after sun8i_crypto_attach because
only sun8i_crypto_attach actually did polling.

rnd(9): Adjust IPL of locks used by rndsource callbacks.

These no longer ever run from hard interrupt context or with a spin
lock held, so there is no longer any need to have them at IPL_VM to
block hard interrupts. Instead, lower them to IPL_SOFTSERIAL.

sun8icrypto(4): Do self-test and first RNG draw synchronously.

If the self-test fails, disable everything else at boot -- don't just
leave it to the operator to notice and do something.

This way we get entropy earlier at boot, before threads start and
before the first things in the kernel that draw from it (cprng fast
init, ssp init).

sun8icrypto(4): Attach rndsource as RND_TYPE_RNG.

Previously this was attached as RND_TYPE_UNKNOWN, at a time when the
kernel assumed _any_ RNG-type rndsource produced independent uniform
random bits and subjected it to automatic tests that would fail with
high probability for many other distributions. But sun8icrypto(4) is
very nonuniform (probably yields consecutive samples of a ring
oscillator, which are very much not independent).

Now the kernel no longer makes this assumption, so it is valid to
label this as what it is -- a hardware RNG. We should ideally still
have better information from the vendor about what's going on under
the hood before enabling nonzero entropy for it. But at least we can
label its type accurately.

sun8icrypto(4): Split out interrupt and thread locks.

No need to block interrupts while we're going through all the data
structures -- only need to block interrupts for the handoff from
interrupt handler to lower-priority logic.

sun8icrypto(4): Call crypto_unblock when a task completes.

Otherwise under load this would presumably just hang after returning
ERESTART to opencrypto.

enable sun8icrypto on Allwinner H3 too.

Allwinner H3 needs a slower mod clock according to the Linux driver.

tested on NanoPi R1.

thanks jmcneill@ and riastradh@ for advice.

XXX pullup-9

branches: 1.24.2;
arm/sunxi: Wire up sun8icrypto(4) on Allwinner H5.

Tested on NanoPi Neo PLUS2.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

use fdtbus_intr_establish_xname

branches: 1.18.2;
Fix !DIAGNOSTIC compile.

Draft opencrypto support for Allwinner Crypto Engine.

XXX Can't handle nonzero crd_skip yet.

Rework sun8i crypto.

- Preallocate tasks and DMA maps together for now, for 4k transfers.
- Confine setup of the task descriptor to a single function, without
bus_dmamap_t as an input; just use the preallocated DMA maps.
- Take the DMA map part out of sun8i_crypto_buf.
=> Not much left here, just a dmamem segment and kva mapping.

This should make it easier to use with opencrypto.

Truncate hw.sun8icryptoN.rng queries to 4096 bytes.

...rather than fail entirely.

branches: 1.14.2;
hardclock_ticks -> getticks()

rnd_attach_source calls the callback itself now.

No need for every driver to explicitly call it to prime the pool.

Eliminate now-unused <sys/rndpool.h>.

branches: 1.12.4;
Fix previous brainfart.

Don't use the uninitialized trng node as the root node -- derp.
Instead, use the root node as the root node, and initialize the trng
node here.

Fix (presently harmless) psato.

Don't overwrite cy_root_node; use cy_trng_node as intended.

Enable sun8icrypto in GENERIC64.

But set its entropy estimate to zero until we have a better idea of
how it works. Can't really hurt this way unless sun8icrypto is
maliciously dependent on all other inputs to the entropy pool, which
seems unlikely.

branches: 1.9.2;
Reduce entropy estimate for sun8icrypto TRNG.

NIST's SP800-90B entropy estimation tools put it at no more than .08
bits of entropy per byte of data(!), so estimate 100 bits of data per
bit of entropy. This is probably not conservative enough -- the NIST
tools were written without knowledge of how this alleged TRNG works!
Knowledge of the physics of how the TRNG is supposed to work could
probably enable a better job at predicting the outputs.

While here, bump the size of data we can sample directly with sysctl
to 4096 bytes.

Fix typo -- acknowledge interrupts _and_ errors.

Oops -- forgot to kmem_free.

Tidy up comments.

Avoid a race between interruption and reacquisition of lock.

Otherwise, we would have leaked the memory in this case.

Make sure ERESTART doesn't come flying out to userland.

I picked ERESTART to mean `all channels are occupied' because that's
what opencrypto(9) uses to decide whether to queue a request, but
it's not appropriate for sysctl(2) to return that.

Factor out some of the self-test logic used for debugging.

Add missing bus_dmamap_sync(POSTWRITE) while here.

Reduce some duplicated bus_dma clutter.

Draft driver for Allwinner Crypto Engine.

Found on, e.g., the Pinebook.

Only used for TRNG at the moment, but hooking it up to opencrypto(9)
shouldn't be too hard if anyone still cares about that these days.

The distribution of the alleged TRNG is very nonuniform distributed
seems to alternate between toward runs with exceptionally high
fractions of 0 bits and runs with exceptionally high fractions of 1
bits -- initially all my samples were mostly 0's, and then all my
samples were mostly 1's, and now I'm seeing more oscillation between
these runs.

So I've wired it up as RND_TYPE_UNKNOWN, not RND_TYPE_RNG (it will
immediately flunk our rngtest and be disabled), and I estimated it to
provide at most one bit of entropy per byte of data -- which may
still be optimistic. I also added a sysctl node hw.sun8icryptoN.rng
to read out 1024-byte samples for analysis, and I left the driver
commented out in GENERIC64 for now.

(If anyone has contacts at Allwinner who can tell us about how the
alleged TRNG is supposed to work, please let me know!)

Rework sun8i crypto.

- Preallocate tasks and DMA maps together for now, for 4k transfers.
- Confine setup of the task descriptor to a single function, without
bus_dmamap_t as an input; just use the preallocated DMA maps.
- Take the DMA map part out of sun8i_crypto_buf.
=> Not much left here, just a dmamem segment and kva mapping.

This should make it easier to use with opencrypto.

branches: 1.1.6; 1.1.10;
Draft driver for Allwinner Crypto Engine.

Found on, e.g., the Pinebook.

Only used for TRNG at the moment, but hooking it up to opencrypto(9)
shouldn't be too hard if anyone still cares about that these days.

The distribution of the alleged TRNG is very nonuniform distributed
seems to alternate between toward runs with exceptionally high
fractions of 0 bits and runs with exceptionally high fractions of 1
bits -- initially all my samples were mostly 0's, and then all my
samples were mostly 1's, and now I'm seeing more oscillation between
these runs.

So I've wired it up as RND_TYPE_UNKNOWN, not RND_TYPE_RNG (it will
immediately flunk our rngtest and be disabled), and I estimated it to
provide at most one bit of entropy per byte of data -- which may
still be optimistic. I also added a sysctl node hw.sun8icryptoN.rng
to read out 1024-byte samples for analysis, and I left the driver
commented out in GENERIC64 for now.

(If anyone has contacts at Allwinner who can tell us about how the
alleged TRNG is supposed to work, please let me know!)

arm/sunxi: Wire up sun8icrypto(4) on Allwinner H5.

Tested on NanoPi Neo PLUS2.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.16.4; 1.16.12;
Add support for Allwinner H3/H5 display pipeline.

branches: 1.15.4;
Add clocks gates and divisors for H3/H5 SPI[01] controllers.

branches: 1.14.2;
Add H5 (sun50i) support.

Add thermal sensor clocks

add ephy clk gate

branches: 1.11.2;
Add support for H3 CPUX clock.

Add support for H3 audio PLL and digital audio part.

add DMA gate

branches: 1.8.2; 1.8.4;
Add SDMMC[012] sample/output clock phase controls.

Fix AHB2 register definition and explicitly set AHB2 parent to PLL_PERIPH0/2 -- this gives us 50% more bus bandwidth for emac

Add basic FDT GPIO support.

Add driver for Allwinner Gigabit Ethernet (EMAC) as found in sun8i and
later family SoCs.

This is a port of my FreeBSD driver which has been confirmed to work on
Allwinner H3, A83T, and A64 SoCs.

Add USB stuff. Doesn't quite work yet.

SD/MMC clock fixes

Add H3 MMC support

Add initial support for Allwinner H3 SoC.

branches: 1.1.4; 1.1.6; 1.1.8;
Add initial support for Allwinner H3 SoC.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.4.10;
Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.3.4; 1.3.6;
The reset bit for the analog portion of the codec is bit 28. As per
Allwinner H3 datasheet.

Ok jmcneill@.

branches: 1.2.2; 1.2.4; 1.2.6;
h3_codec_pr_write: clear write mode bit after setting it; fixes an issue with output being mutex when skipping tracks in mpg123

Add support for Allwinner H3 audio codec.

Update function name s_twi to s_i2c

branches: 1.2.2;
Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.1.4; 1.1.6; 1.1.8; 1.1.10;
Add basic FDT GPIO support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.18;
Add support for Allwinner H3 PRCM clock controller.

branches: 1.1.2;
Add support for Allwinner H3 PRCM clock controller.

branches: 1.1.4;
Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.1.4;
Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.1.4;
Add support for Allwinner V3s, from Rui-Xiang Guo.

Add support for Lichee Pi Zero from Rui-Xiang Guo on port-arm

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.3.10;
Add gmac clocks

Add c0cpux and c1cpux clocks

branches: 1.1.2; 1.1.4; 1.1.6;
Add Allwinner A80 (sun9i) support.

branches: 1.1.2;
Add Allwinner A80 (sun9i) support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.12;
Add apb0 and cpus clock drivers for A80

Set has_io_bias_config flag

branches: 1.2.2;
Consistently name the interrupt function "irq" and use this name
in sunxi_gpio_establish(). This is the name used by linux.

branches: 1.1.2; 1.1.4;
Add Allwinner A80 (sun9i) support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.2.10;
Enable parent clocks

branches: 1.1.2; 1.1.6;
Add Allwinner A80 (sun9i) support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.12;
Add A80 USB support.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.12;
Add A80 USB support.

sunxi_can.c: fix build with MBUFTRACE

malloc -> kmem

Just skipping sunxi_can_rx_intr() if the DATA_OR flag is set isn't enough
to properly recover from overrrun in all case. So go the linux way and reset
the hardware.

Don't write SUNXI_CAN_INT_RX_FLAG to SUNXI_CAN_INT_REG, this could race
with hardware and clear the interrupt while there are new packets received.
SUNXI_CAN_INT_RX_FLAG clears automatically when all pending packets have been
read, so when no more packets are pending just read SUNXI_CAN_INT_REG again
and process other interrupts, if any (or RX if there are new packets pending).
With this change it seems I get overruns less often in my use case.

Don't process RX if SUNXI_CAN_INT_DATA_OR is pending. Seems to fix occasional
RX stalls

Eliminate use of IFF_OACTIVE.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

use fdtbus_intr_establish_xname

branches: 1.3.6;
Adopt <net/if_stats.h>.

branches: 1.2.2;
if_ipackets is incremented in can_input(), so don't increment it in
sunxi_can_rx_intr to prevent double count. OK'd by bouyer@.

branches: 1.1.2; 1.1.4; 1.1.8;
fdt-ise the allwinner can and lradc drivers.

branches: 1.1.2;
fdt-ise the allwinner can and lradc drivers.

sunxi: ccu: add support for basic "mux" clocks

use %u for u_int, rather than %d; corrects printing of frequencies at or above 2**31 Hz

Centralise defparam CONSADDR, CONSPEED, CONMODE and CONADDR into
opt_console.h and adjust.

Pass clock provider's phandle to fdtbus_clock_controller_func.decode()
and update callers.

This allows to accomodate clock managers whose clocks are identified
directly by a clock instead of a pair (clock provider, index).

ok jmcneill@ on port-arm

branches: 1.10.2;
Initialize clk domain name and call clk_attach to register sysctl nodes

Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

Add some more A10/A20 clocks definitions; related to display engines.
The video PLLs requires a new clock type, SUNXI_CCU_FRACTIONAL

branches: 1.7.2; 1.7.4;
Add support for Allwinner H3 PRCM clock controller.

branches: 1.6.2; 1.6.4; 1.6.6;
Add SDMMC[012] sample/output clock phase controls.

Add basic support for Allwinner A31.

Print clocks with aprint_debug

SD/MMC clock fixes

Add H3 MMC support

Add initial support for Allwinner H3 SoC.

set CLK_SET_RATE_PARENT for mux type clocks so clk_set_rate() can work
with this my pinebook can change cpu speed again
ok jmcneill@

branches: 1.23.10;
sunxi: ccu: add support for basic "mux" clocks

Store the flags passed to SUNXI_CCU_FRACTIONAL macro.

Previously the macro dropped the flags argument entirely, and did not
initialize the structure with it.

branches: 1.21.4;
Add support for Allwinner A64's display pipeline.

Add sun50i DE clocks.

Add support for cluster 0 and 1 CPUX PLLs.

branches: 1.18.2;
Pass set_rate calls on fixed factor clocks through to the parent clock (adjusting accordingly)

Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

Add some more A10/A20 clocks definitions; related to display engines.
The video PLLs requires a new clock type, SUNXI_CCU_FRACTIONAL

branches: 1.15.2; 1.15.4;
Add support for A83T eMMC.

Add A10/A20 cpufreq scaling support

Add driver for sun4i (A10) and sun7i (A20) clock controller.

Add support for gated dividers and /1,/2,/4,/6 style divider fields.

Add support for Allwinner H3 PRCM clock controller.

branches: 1.10.2;
Add initial support for Allwinner A13 and R8 SoCs.

Add support for H3 CPUX clock.

Add support for H3 audio PLL and digital audio part.

branches: 1.7.2; 1.7.4;
Add SDMMC[012] sample/output clock phase controls.

Add support for Allwinner A83T SoC.

Add basic support for Allwinner A31.

Add USB stuff. Doesn't quite work yet.

SD/MMC clock fixes

Add H3 MMC support

Add initial support for Allwinner H3 SoC.

avoid potentially uninitialised variable that likely won't happen.

GCC 12 can't tell that hardware / platform design means it won't happen.

branches: 1.2.2;
- sunxi_ccu_lcdxch1_set_rate(): enable parent before calling
sunxi_ccu_div_set_rate(). If it's not enabled get_rate() will return 0 and
sunxi_ccu_div_set_rate() will fail.
- rework sunxi_ccu_lcdxch0_set_rate() to actually really select the best
parent.

Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

Add support for A64 I2S clocks.

branches: 1.5.2; 1.5.6;
Make sunxi_ccu_div_set_rate() work on non-SUNXI_CCU_DIV_TIMES_TWO
clocks.

branches: 1.4.2; 1.4.4;
Add A10/A20 cpufreq scaling support

Add support for gated dividers and /1,/2,/4,/6 style divider fields.

branches: 1.2.2;
Add initial support for Allwinner A13 and R8 SoCs.

branches: 1.1.4;
Add basic support for Allwinner A31.

Pass set_rate calls on fixed factor clocks through to the parent clock (adjusting accordingly)

branches: 1.1.2; 1.1.4;
Add support for Allwinner H3 PRCM clock controller.

Set pre-divider M to 0 in fractional mode, as noted in user manual. Spotted by jak.

Honour SUNXI_CCU_FRACTIONAL_SET_ENABLE in fractional mode

branches: 1.4.4;
Add support for Allwinner A64's display pipeline.

Add sun50i DE clocks.

branches: 1.2.2;
Add a round_rate() callback for the sunxi clock domain.
Add a sunxi_ccu_display.c file with helpers for setting up display engine
clocks.
for fractional clocks, rename frac_en to div_en, I got the logic inverted.
Adjust tcon0-ch0, tcon0-ch1, tcon1-ch0 and tcon1-ch1 definitions to
automatically select a parent. tcon0 hardcoded to pll3 and tcon1 to pll7.
Define a round_rate() callback for these clocks, as well as fractional clocks.
Hardcode debe clocks parent to pll5.

branches: 1.1.2;
Add some more A10/A20 clocks definitions; related to display engines.
The video PLLs requires a new clock type, SUNXI_CCU_FRACTIONAL

branches: 1.2.4; 1.2.6; 1.2.8;
Support parents in different clock domains.

Add initial support for Allwinner H3 SoC.

sunxi: ccu: add support for basic "mux" clocks

Support SUNXI_CCU_NKMP_FACTOR_P_X4 flag

branches: 1.7.2; 1.7.4; 1.7.6;
Add driver for sun4i (A10) and sun7i (A20) clock controller.

branches: 1.6.2;
Add support for H3 CPUX clock.

Add support for H3 audio PLL and digital audio part.

branches: 1.4.4;
Add support for Allwinner A83T SoC.

Add basic support for Allwinner A31.

SD/MMC clock fixes

Add H3 MMC support

branches: 1.4.2;
Add support for A83T eMMC.

branches: 1.3.4; 1.3.6;
SD/MMC clock fixes

Add H3 MMC support

Add initial support for Allwinner H3 SoC.

branches: 1.1.2; 1.1.4; 1.1.6; 1.1.8;
Add SDMMC[012] sample/output clock phase controls.

branches: 1.3.2; 1.3.4;
Add initial support for Allwinner A13 and R8 SoCs.

branches: 1.2.4;
Add USB stuff. Doesn't quite work yet.

Add H3 MMC support

Fix GENERIC64 build

Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.12.4;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.8.6;
Remove rounding by 4 bytes on round_blocksize().
For drivers which supports only 16bit * 2channels sampling,
rounding by 4 bytes no longer meaningful.

branches: 1.7.4;
Clean get_props().
- Make get_props() return AUDIO_PROP_{PLAYBACK,CAPTURE} properly.
This eliminates need for audio.c to take care of such (old)
drivers which don't return both of PLAYBACK and CAPTURE.
- All get_props() doesn't need to return AUDIO_PROP_MMAP.
It is handled in the audio layer now.

Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.5.2; 1.5.4;
Remove sunxi_codec_drain(). It's optional, and as the DMA is not stopped
at this time I'm not sure what draining the fifo means here. Also,
we're not waiting for the drain to complete.
The upper level will play enough silence when needed to make sure interesting
data have been played.

In sunxi_codec_halt_output() and sunxi_codec_halt_input(), drain the fifo
(and wait for it to complete) before or after disabling the DMA.

Take the interrupt lock in interrupt handler. Seesm to fix the hang I was
seeing with a portaudio2 application.
Don't unmute at attach time, it will be done when the upper level starts
sending data.

branches: 1.3.2; 1.3.4;
Add A31 audio codec support.

branches: 1.2.2;
Add sun4i DMA and audio codec support.

branches: 1.1.2;
Add support for Allwinner H3 audio codec.

Fix GENERIC64 build

Add support for Allwinner V3s, from Rui-Xiang Guo.

branches: 1.6.4;
Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.5.10;
Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c

branches: 1.4.2; 1.4.6; 1.4.8;
Add A31 audio codec support.

match allwinner,sun7i-a20-codec

branches: 1.2.2;
Add sun4i DMA and audio codec support.

branches: 1.1.2;
Add support for Allwinner H3 audio codec.

Rename sunxi_com to dw_apb_uart and move it to dev/fdt since it is not
sunxi-specific.

Rename COM_TYPE_SUNXI -> COM_TYPE_DW_APB

branches: 1.4.2; 1.4.4;
remove options COM_AWIN and set COM_TYPE_SUNXI in the bus driver instead

Enable clocks and de-assert resets

branches: 1.2.4; 1.2.6;
Rename a variable, NFC.

Add initial support for Allwinner H3 SoC.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.1.2; 1.1.6; 1.1.16;
Add drivers for DE2 bus and clock controllers.

Add support for Lichee Pi Zero from Rui-Xiang Guo on port-arm

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.3.4; 1.3.14;
Add support for Allwinner H3/H5 display pipeline.

branches: 1.2.2;
Enable parent clocks and de-assert resets

Add drivers for DE2 bus and clock controllers.

branches: 1.1.2; 1.1.6;
Add drivers for DE2 bus and clock controllers.

Re-factor the console-related code into fdt_console.[ch]

s/attachement/attachment/ and s/detachement/detachment/.

branches: 1.16.2;
s/coudn/couldn/ and s/couln/couldn/ in comment and log messages.

fix various typos in comments and log messages.

Merge thorpej-cfargs2.

branches: 1.13.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

branches: 1.12.2;
Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.10.2;
sunxi_debe_set_videomode(): As byte-swapped framebuffer is now handled by
FDT override, do not configure FB to little-endian format for __ARMEB__.

XXX
This function is not actually called at the moment. IIRC, it worked in
the pre-FDT era. Something went wrong since then...

Defer display hardware reset to pipeline activation. This way, if we have a
pipeline setup which we can't manage, the simple framebuffer will keep working.

Allow the graphic driver to be the kernel's console.
Match either from the allwinner,pipeline entry in the simple-framebuffer
fdt entry, or from console= from the command line.
console=fb0 and console=fb1 selects display backend unit 0 or 1 respectively;
console=fb selects the first activated display backend.

Remove AWIN_DEBE_FWINIT blocks

Remove NAWIN_MP blocks (this code was experimental in the original driver and is not worth porting over)

disable all clocks at end of attach function, and re-enable ahb and mod only
in activate function.
enable ram gate (in debe) and video plls (in tcon) only when the video output
is enabled. Saves about 20mw when both video outputs are off.

A10 and A20 should have the same display hardware, so consistenly support
sun4i-a10 the same way as sun7i-a20.
This would need to be tested on a real A10.

work in progress on porting graphics drivers from arm/allwinner to fdt.
sunxidebe: display backend drivers
sunxitcon: lcd controller driver
sunxihdmi: hdmi controller driver
sunxidep: display engine pipeline driver. Its role is only to parse the
fdt display-engine node, and activate de backend drivers based on the
content of allwinner,pipelines

So far HDMI and lvds output works, in dual-framebuffer mode.
It has only been tested on A20. It should be OK on the A10 too, but
will likely need more work for other SoCs.
Console is not handled yet, and it conflicts with the simplefb driver if
it has been activated by u-boot.

branches: 1.2.2;
Remove the sunxi_debe driver in favour of the more generic simplefb.

Add a basic sun5i FB driver. This assumes that firmware (U-Boot) has
already setup the chip and re-uses the same settings / FB memory.

branches: 1.1.2;
work in progress on porting graphics drivers from arm/allwinner to fdt.
sunxidebe: display backend drivers
sunxitcon: lcd controller driver
sunxihdmi: hdmi controller driver
sunxidep: display engine pipeline driver. Its role is only to parse the
fdt display-engine node, and activate de backend drivers based on the
content of allwinner,pipelines

So far HDMI and lvds output works, in dual-framebuffer mode.
It has only been tested on A20. It should be OK on the A10 too, but
will likely need more work for other SoCs.
Console is not handled yet, and it conflicts with the simplefb driver if
it has been activated by u-boot.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Remove "struct of_compat_data" and replace its usage with
"struct device_compatible_entry"; they are ABI-compatible.

Fix several "loses const qualifier" bugs encountered during
this conversion.

branches: 1.3.14;
Allow the graphic driver to be the kernel's console.
Match either from the allwinner,pipeline entry in the simple-framebuffer
fdt entry, or from console= from the command line.
console=fb0 and console=fb1 selects display backend unit 0 or 1 respectively;
console=fb selects the first activated display backend.

branches: 1.2.2;
A10 and A20 should have the same display hardware, so consistenly support
sun4i-a10 the same way as sun7i-a20.
This would need to be tested on a real A10.

work in progress on porting graphics drivers from arm/allwinner to fdt.
sunxidebe: display backend drivers
sunxitcon: lcd controller driver
sunxihdmi: hdmi controller driver
sunxidep: display engine pipeline driver. Its role is only to parse the
fdt display-engine node, and activate de backend drivers based on the
content of allwinner,pipelines

So far HDMI and lvds output works, in dual-framebuffer mode.
It has only been tested on A20. It should be OK on the A10 too, but
will likely need more work for other SoCs.
Console is not handled yet, and it conflicts with the simplefb driver if
it has been activated by u-boot.

branches: 1.3.30;
Defer display hardware reset to pipeline activation. This way, if we have a
pipeline setup which we can't manage, the simple framebuffer will keep working.

Allow the graphic driver to be the kernel's console.
Match either from the allwinner,pipeline entry in the simple-framebuffer
fdt entry, or from console= from the command line.
console=fb0 and console=fb1 selects display backend unit 0 or 1 respectively;
console=fb selects the first activated display backend.

branches: 1.1.2;
work in progress on porting graphics drivers from arm/allwinner to fdt.
sunxidebe: display backend drivers
sunxitcon: lcd controller driver
sunxihdmi: hdmi controller driver
sunxidep: display engine pipeline driver. Its role is only to parse the
fdt display-engine node, and activate de backend drivers based on the
content of allwinner,pipelines

So far HDMI and lvds output works, in dual-framebuffer mode.
It has only been tested on A20. It should be OK on the A10 too, but
will likely need more work for other SoCs.
Console is not handled yet, and it conflicts with the simplefb driver if
it has been activated by u-boot.

Use device_{get,set}prop_bool().

branches: 1.26.2;
sunxidrm: Set is_console on the drm device, not the fb child.

The drm device is represented by a rockchip,display-subsystem node in
the device tree. The fb child is a purely software abstraction used
by drm.

The is_console property is used by MD firmware logic to mark which
actual device in hardware bus enumeration like PCI or FDT the system
has chosen for the console early at boot, so hanging it on the node
for the real hardware device makes more sense than hanging it on the
software abstraction, and is consistent with recent changes to drmfb
to respect its setting on other platforms for hardware devices.

Add support for Lichee Pi Zero from Rui-Xiang Guo on port-arm

s/subesquent/subsequent/ in copy pasted comments.

sunxi/drm, rockchip/drm: Avoid messy error output.

sunxi/drm: Use an explicit task queue to avoid config_defer pitfalls.

Same as the other drm drivers.

catch up with newer drm_encoder_init prototype


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Use helper to fill fb struct


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Fill fb->dev.


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

drm_dev_alloc now returns ERR_PTR, check for that.


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Sort includes.

Get drm to build on arm64 again.


Author: Jared McNeill <jmcneill@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Merge thorpej-cfargs2.

branches: 1.14.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

branches: 1.13.2;
Fix previous; sunxidrm(4) couldn't be probed on Allwinner A64 due to
trailing whitespace in compat string.

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.11.8;
Make sure memory stolen from simplefb is page aligned.

ensure to call drm_mode_config_cleanup() when erroring.
tripped up 'active lock in free' checks, and perhaps
lead to other lock corruption. (crash with un-init lock
in arpresolve that does not make sense now seems to not
occur either.)

Reclaim bootloader FB memory for CMA pool.

Reserve enough memory at boot to support the drmfb buffer plus a 4K buffer
for Xorg.

branches: 1.7.4; 1.7.6;
Add support for hardware cursors where we can.

As far as I can tell, alpha blending only works between overlay channels,
and not between layers on a channel. Unfortunately, RT-Mixer1 only has
a single UI channel, so this feature is limited to RT-Mixer0.

Add support for vblank irq and RGB overlay planes.

Support "nomodeset" kernel cmdline flag to disable sunxidrm

Add support for Allwinner H3/H5 display pipeline.

Revert previous

Detach previous console device before attaching drmfb instead of relying on fdt_remove_bycompat hack

Add support for Allwinner A64's display pipeline.

branches: 1.3.2;
sunxi/drm: Use an explicit task queue to avoid config_defer pitfalls.

Same as the other drm drivers.

branches: 1.2.4;
Add support for vblank irq and RGB overlay planes.

Add support for Allwinner A64's display pipeline.

Use device_{get,set}prop_bool().

Sort includes.

Get drm to build on arm64 again.


Author: Jared McNeill <jmcneill@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Rename of_match_compat_data() to of_compatible_match(). Similarly,
rename of_search_compatible() to of_compatible_lookup().

Standardize on of_compatible_match() for driver matching, and adapt
all call sites.

branches: 1.8.8;
Try to avoid changing hardware settings when the "nomodeset" kernel arg
is present.

Set pixel clock on mode set

HDMI PHY and TX share the same clocks. Do not enable clocks until both
reset resources have been deasserted. Explicitly set DDC clock dividers.