Uses register polling method to decide when it's time to decode
RDS packets.
Change-Id: I1d3cc995ea3350ec7b101438b8f2027130d4a4c9
Reviewed-on: http://gerrit.rockbox.org/320
Reviewed-by: Lorenzo Miori <memorys60@gmail.com>
Tested-by: Lorenzo Miori <memorys60@gmail.com>
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Tested-by: Thomas Martitz <kugel@rockbox.org>
We should cast to (volatile uint32_t*) here, because attempt to refer to volatile
object through use of an lvalue with non-volatile-qualified type will result in
undefined behavior.
Change-Id: I1b2e9688af11d3dcba518a5e31865d703b54b635
Use DMA engine for fullscreen updates and bypass mode for partial
updates. This gives major boost on rk27generic:
default ARM:AHB:APB 200💯50
HEAD 1/1: 26.3fps 1/4: 105.0fps
patched 1/1: 116.5fps 1/4: 249.5fps
with freq scalling NORMAL mode ARM:AHB:APB 50:50:50
HEAD 1/1: 13.1fps 1/4: 52.5fps
patched 1/1: 54.5fps 1/4: 119.0fps
Tested on rk27generic noname DAP and on Hifimans.
Change-Id: Id9dd4d2d61542c7ea6b5c6336b170d6357cefde9
This version resembles how OF handle cache invalidates.
This seems to fix mysterious data aborts on plugin/codec loading
after introducing frequency scaling.
Credit goes to mortalis for pinpointing the reason of aborts.
Change-Id: I3477b3f65d593d7b43c36a0b06d863f71f000812
The functions document my reverse engineer findings about nand
controller. This code is commented out and is purely for reference
as FTL scheme is still unknown.
Change-Id: I70edeb4bfb0cbd51b6adc15afa7193dd8f71e8da
Frequency scaling seems to be unstable and causes the device to
freeze. It is unclear why at the moment, perhaps we need to ramp
up the vddd voltage to avoid a false brownout ?
Change-Id: I7aaea9d7c213922a65250fe50775fb785d430226
This does not scale the EMI frequency and keep the processor
betweel 261MHz and 454MHz. It can still be improve. The auto-slow
divisor could still be change, 8 seems reasonable for now
Change-Id: I639bb3f6b7f8efedc7dc58d08127849156eeb1b6
Implemented scheme:
ARM AHB APB
Normal 50 50 50 MHz
Max 200 100 50 MHz
Frequency scaling is disabled on rk27generic due to too
slow lcd updates when running with 50MHz AHB.
battery_bench shows ~1h runtime improvement on hifiman.
Change-Id: I2c6f8acf6d4570c4e14f5bcc72280b51ce13c408
Remove the old debug stuff about VDDx and add a clean api to
get/set the regulator (VDDD, VDDA, VDDIO, VDDMEM). This is useful
for proper frequency scaling.
Change-Id: Ia5a1a712fd66652a8ad9601ed00db31aba5a7561
Implement cache aligned transfer of more than one sectors. The
current code now transfers almost all data at once by moving
it within the buffer to make it cache aligned. This greatly
improves the performance of the transfers, especially in mass
storage mode.
Change-Id: Ic6e78773302f368426209f6fd6099089ea34cb16
Further merge drivers by using the same command and data functions.
No use one mutex per drive instead of a global sd lock. Fix the
RCA handling which was different between SD and MMC (shifted 16)
and thus confusing. Add MMC commands definition to the mmc.h
header similarly to the SD one. Change MMC handling a bit by
selecting/deselecting on each transfer like SD, which allows
for several MMC devices in theory and is more uniform.
Change-Id: I7024cb19c079553806138ead75b00640f1d2d95c
Merge sd and mmc drivers into a single sdmmc driver. This allows
some factoring of the code and simplify bug fixing. Also fix the
dma/cache related issue by doing all transfers via a correctly
aligned buffer. The current code is not smart enough to take
advantage of large user buffers currently but at least it is safe!
Change-Id: Ib0fd16dc7d52ef7bfe99fd586e03ecf08691edcd
There are tricky DMA/cache related issue on the imx233 which could
pop up with the old driver. The new one ensures that all dma
tranfers are cache safe by using an intermediate buffer.
Change-Id: I72060682d1c285c83ae16455cfdb62f372b5d687
Reduce DMA maximum transfer size since transfering 64Kb requires
to set a size of 0 and it's not worth adding checks everywhere
to handle this special case. Also add statistics about unaligned
transfer (wrt to cache). Update debug screen accordingly and
simplify it so it can fit smaller screens too.
Change-Id: I18391702f5e100a21f6f8d1ebab28d9f2bd8c66f
operation.
The interal ROM clock seems to be needed to reboot the player, so disabling
it is too dangerous. Hopefully this will prevent problems where crashes during
the abort handler resulted in a stock player that needed the battery to drain
in order to reboot.
Change-Id: I7d1e64743dde15b64d718ad3255dada3d570736f
The main reason for this is to be able to downscale the sdl app, which
when used for designing themes for android tends not to fit on laptop
screens these days.
Change-Id: Ib52731dbebcdd03a572be7754c157471165eb2df
Basically it uses the default SI4700 radio chip driver, the only thing that's different is the I2C access,
written specifically to interact with my kernel module.
Next things to add are:
- RDS support!
Change-Id: I0ed125641e00f93124d7a34f90dd508e7f1db5a4
Signed-off-by: Lorenzo Miori <memorys60@gmail.com>
Refactor native/hosted implementation seperation while at it
(no wrappers starting with _ anymore).
Change-Id: If68ae89700443bb3be483c1cace3d6739409560a
Apparently I got the "just-in-case" RXFIFO purge in there before the
RXFIFO was enabled, causing severe hardware spasms.
Change-Id: I2ea4b6d28e06372b61cb3f21ab2fce71dd408213
