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The current code causes ISP2401 to power down and never return
back to live, causing the driver to crash.
Fix it by commenting out the bad code. It should be noticed that
the Yocto Aero code has something similar to it.
Maybe the issue is related to an ISP bug (or maybe PM is
controlled on a different way for this hardware).
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The value returned by BIOS is 1. Fix it at the driver,
as it won't read this from EFI.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The mmu mapping logic uses a different logic depending on the
RAM size: if it is lower than 2GB, it uses kmem_cache_zalloc(),
but if memory is bigger than that, it uses its own way to
allocate memory.
Yet, when freeing, it uses kmem_cache_free() for any cases.
On recent Kernels, slab tracks the memory allocated on it,
with causes those warnings:
virt_to_cache: Object is not a Slab page!
WARNING: CPU: 0 PID: 758 at mm/slab.h:475 cache_from_obj+0xab/0xf0
Modules linked in: snd_soc_sst_cht_bsw_rt5645(E) mei_hdcp(E) gpio_keys(E) intel_rapl_msr(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) atomisp_ov2680(CE) intel_cstate(E) asus_nb_wmi(E) wdat_wdt(E) pcspkr(E) ath10k_pci(E) ath10k_core(E) intel_chtdc_ti_pwrbtn(E) ath(E) mac80211(E) btusb(E) joydev(E) btrtl(E) btbcm(E) btintel(E) bluetooth(E) libarc4(E) ecdh_generic(E) cfg80211(E) ecc(E) hid_sensor_gyro_3d(E) hid_sensor_accel_3d(E) hid_sensor_trigger(E) hid_sensor_iio_common(E) industrialio_triggered_buffer(E) kfifo_buf(E) industrialio(E) atomisp(CE) videobuf_vmalloc(E) videobuf_core(E) videodev(E) mc(E) snd_soc_rt5645(E) snd_soc_rl6231(E) snd_intel_sst_acpi(E) snd_intel_sst_core(E) snd_soc_sst_atom_hifi2_platform(E) snd_soc_acpi_intel_match(E) intel_hid(E) spi_pxa2xx_platform(E) snd_soc_acpi(E) snd_soc_core(E) snd_compress(E) dw_dmac(E) intel_xhci_usb_role_switch(E) int3406_thermal(E)
snd_hdmi_lpe_audio(E) int3403_thermal(E) int3400_thermal(E) acpi_thermal_rel(E) snd_seq(E) intel_int0002_vgpio(E) soc_button_array(E) snd_seq_device(E) acpi_pad(E) snd_pcm(E) snd_timer(E) snd(E) soundcore(E) lpc_ich(E) mei_txe(E) mei(E) processor_thermal_device(E) intel_soc_dts_iosf(E) intel_rapl_common(E) int340x_thermal_zone(E) ip_tables(E) hid_sensor_hub(E) intel_ishtp_loader(E) intel_ishtp_hid(E) mmc_block(E) hid_multitouch(E) crc32c_intel(E) i915(E) i2c_algo_bit(E) drm_kms_helper(E) hid_asus(E) asus_wmi(E) sparse_keymap(E) rfkill(E) drm(E) intel_ish_ipc(E) intel_ishtp(E) wmi(E) video(E) i2c_hid(E) sdhci_acpi(E) sdhci(E) mmc_core(E) pwm_lpss_platform(E) pwm_lpss(E) fuse(E)
CPU: 0 PID: 758 Comm: v4l_id Tainted: G C E 5.7.0-rc2+ #40
Hardware name: ASUSTeK COMPUTER INC. T101HA/T101HA, BIOS T101HA.306 04/23/2019
RIP: 0010:cache_from_obj+0xab/0xf0
Code: c3 31 c0 80 3d 1c 38 72 01 00 75 f0 48 c7 c6 20 12 06 b5 48 c7 c7 10 f3 37 b5 48 89 04 24 c6 05 01 38 72 01 01 e8 2c 99 e0 ff <0f> 0b 48 8b 04 24 eb ca 48 8b 57 58 48 8b 48 58 48 c7 c6 30 12 06
RSP: 0018:ffffb0a4c07cfb10 EFLAGS: 00010282
RAX: 0000000000000029 RBX: 0000000000000048 RCX: 0000000000000000
RDX: ffffa004fbca5b80 RSI: ffffa004fbc19cc8 RDI: ffffa004fbc19cc8
RBP: 0000000000c49000 R08: 00000000000004f7 R09: 0000000000000001
R10: 0000000000aaaaaa R11: ffffffffb50e0600 R12: ffffffffc0be0a00
R13: ffffa003f2448000 R14: 0000000000c49000 R15: ffffa003f2448000
FS: 00007f9060c9cb80(0000) GS:ffffa004fbc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559fc55b8000 CR3: 0000000165b02000 CR4: 00000000001006f0
Call Trace:
kmem_cache_free+0x19/0x180
mmu_l2_unmap+0xd1/0x100 [atomisp]
mmu_unmap+0xd0/0xf0 [atomisp]
hmm_bo_unbind+0x62/0xb0 [atomisp]
hmm_free+0x44/0x60 [atomisp]
ia_css_spctrl_unload_fw+0x30/0x50 [atomisp]
ia_css_uninit+0x3a/0x90 [atomisp]
atomisp_open+0x50b/0x5c0 [atomisp]
v4l2_open+0x85/0xf0 [videodev]
chrdev_open+0xdd/0x210
? cdev_device_add+0xc0/0xc0
do_dentry_open+0x13a/0x380
path_openat+0xa9a/0xfe0
do_filp_open+0x75/0x100
? __check_object_size+0x12e/0x13c
? __alloc_fd+0x44/0x150
do_sys_openat2+0x8a/0x130
__x64_sys_openat+0x46/0x70
do_syscall_64+0x5b/0xf0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Solve it by calling free_page() directly
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Simplify the hmm_bo a little bit by removing this
macro. This will avoid printing twice errors when
allocations happen.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those files seem to be firmware-dependent, probably being used
by some debug interface.
Well, their contents are not really used by atomisp, so let's
just send them to the trash can, as it shouldn't have any
usage upstream.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When changing the IFs to select isp2401 at runtime, one of
the conditions ended by being written wrong.
Code double-checked on both Yocto Aero's driver version and
against the previous code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There is an endif in the middle of a comment at
ia_css_xnr3.host.c. Remove it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use the version from intel_atomisp2_pm.c for power up/down,
removing some code duplication and using just one kAPI call
for modifying the ISPSSPM0 register.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Changing to pci_enable_device() didn't produce the expected
result. It could also eventually led to problems when driver
is removed, due to object lifetime issues. So, let's just
return to the previous behavior.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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We need that to avoid trying to double-free the driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This patch required lots of research and work. The existing
atomisp driver at staging assumed that all Intel PMIC would
be using regulators, but upstream didn't follow it. Instead,
the intel_pmic.c driver added a hack, instead of using i2c_transfer,
it writes I2C values directly via regmapped registers.
Oh, well... At least, it provided a common API for doing that.
The PMIC settings used here came from the driver at the
yocto Aero distribution:
https://download.01.org/aero/deb/pool/main/l/linux-4.4.76-aero-1.3/
The logic itself was re-written, in order to use the I2C address
detected by the probing part.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The atomisp_gmin_platform.c is not a platform driver anymore,
but it is, instead, part of the atomisp driver.
Move it to be together with the driver. As a bonus, as the
atomisp i2c drivers depends on its contents, probing them
should load automatically the atomisp core. This should
likely avoid some possible race conditions.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Sub-device's power management can be provided via different ways.
Instead of hardcoding it, add a code that would be detecting it.
This uses a code similar to what's found at the atomisp driver
inside the Intel Aero repository:
https://github.com/intel-aero/meta-intel-aero.git
(driver was removed on some commit, but it can be found on
git history).
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Right now, the driver supports just one VCM and just one
flash device. Warn if more than one such devices were
probed.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver is really on bad shape. One of the problems
is that, as soon as the I2C transfers start to happen, it
timeouts detecting a camera:
ov2680 i2c-OVTI2680:00: ov2680_probe: ACPI detected it on bus ID=CAM1, HID=OVTI2680
atomisp-isp2 0000:00:03.0: no camera attached or fail to detect
ov2680 i2c-OVTI2680:00: gmin: initializing atomisp module subdev data using PMIC regulator
...
The right fix here would be to use defer probe, but driver is
still on too bad shape.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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While the current code is hardcoded to just one specific
type of PMIC, it can support several types. Those should
be board-dependent. Instead of just printing a number,
change the message to display what type of PMIC control
is used at runtime.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are several device-specific data that are obtained
either via DMI or EFI, with changes the driver's behavior.
Display what has been detected, as such info may help
identifying troubles at the driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When someone would report problems with a new device, we
need to know the DMI product ID and the ACPI name for the
detected sensor. So, print them at dmesg.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver still has lots of issues. Let's enable debug
there inconditionally, as we need more information in order
to address the pending issues.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This setting is used only for one of te Merryfield PCI IDs.
As this is an ISP2400, we can just get rid of a version
test, writing the right value directly inside the struct.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The atomisp probe error logic is incomplete. Add the missing
bits to return the PCI device to its original state.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As getting the exact version used by the driver is not easy,
let's relax the version detection and hope for the best,
producing just a warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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- Remove useless check if !dev at the probe function: if
such function is called, the device is defined.
- Cleanup the PCI ID table using macros.
- Use the same macros at the version-dependent part of the
atomisp_v4l2.c file;
- Add print messages to help understand what model the
driver detect;
- If device is not valid, better explain why.
Signed-off-by: Mauro Carvalho Chehehab <mchehab+huawei@kernel.org>
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changeset d5426f4c2eba ("media: staging: atomisp: use clock framework for camera clocks")
removed a platform-specific code to set the clock rate, in favor of
using the Kernel clock framework.
However, instead of passing the frequency for clk_set_rate(),
it is passing either 0 or 1.
Looking at the original patchset, it seems that there are two
possible configurations for the ISP:
0 - it will use a 25 MHz XTAL to provide the clock;
1 - it will use a PLL with is set to 19.2 MHz
(only for the CHT version?)
Eventually, different XTALs and/or PLL frequencies might
be possible some day, so, re-implent the logic for it to be
more generic.
Fixes: d5426f4c2eba ("media: staging: atomisp: use clock framework for camera clocks")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The firmware header has 64 bytes. Properly limit it to such
size.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The printed message when a firmware version is wrong says nothing
usefull:
atomisp-isp2 0000:00:03.0: Fw version check failed.
atomisp-isp2: probe of 0000:00:03.0 failed with error -22
Print the expected and the received firmware version instead.
In order to do that, the firmware functions will need at least
a struct device pointer, so pass it.
While writing this patch, it was noticed that some of the
abstraction layers of this driver have functions that are never
called, but use this interface. Get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As the atomisp driver should already be handling the ISP
PCI ID, there's no sense on keeping the dummy driver enabled
in tis case.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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With the changes, this function is now undefined if built
for ISP2400. So, move its implementation to the file which
calls it.
Reported-by: Francescodario Cuzzocrea <francescodario.cuzzocrea@mail.polimi.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Some recent changes at V4L2 core changed the way querycap is handled.
Due to that, this warning is generated:
WARNING: CPU: 1 PID: 503 at drivers/media/v4l2-core/v4l2-dev.c:885 __video_register_device+0x93e/0x1120 [videodev]
as introduced by this commit:
commit 3c1350501c21db8e3b1a38d9e97db29694305c3b
Author: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Date: Tue Jul 23 04:21:25 2019 -0400
media: v4l2-dev/ioctl: require non-zero device_caps, verify sane querycap results
Now that all V4L2 drivers set device_caps in struct video_device, we can add
a check for this to ensure all future drivers fill this in.
The fix is simple: we just need to initialize dev_caps before
registering the V4L2 dev.
While here, solve other problems at VIDIOC_QUERYCAP ioctl.
Reported-by: Patrik Gfeller <patrik.gfeller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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It doesn't make senst to update a request that was not
created. So, instead of using cpu_latency_qos_update_request(),
let's use, instead cpu_latency_qos_add_request() at device
probing code.
This should fix this issue:
[ 9.691775] cpu_latency_qos_update_request called for unknown object
[ 9.695279] WARNING: CPU: 3 PID: 523 at kernel/power/qos.c:296 cpu_latency_qos_update_request+0x3a/0xb0
[ 9.698826] Modules linked in: snd_soc_acpi_intel_match snd_rawmidi snd_soc_acpi snd_soc_rl6231 snd_soc_core ath mac80211 snd_compress snd_hdmi_lpe_audio ac97_bus hid_sensor_accel_3d snd_pcm_dmaengine hid_sensor_gyro_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common processor_thermal_device industrialio cfg80211 snd_pcm snd_seq intel_rapl_common atomisp(C+) libarc4 intel_soc_dts_iosf cros_ec_ishtp intel_xhci_usb_role_switch mei_txe cros_ec videobuf_vmalloc mei roles atomisp_ov2680(C) videobuf_core snd_seq_device snd_timer spi_pxa2xx_platform videodev snd mc dw_dmac intel_hid dw_dmac_core 8250_dw soundcore int3406_thermal int3400_thermal intel_int0002_vgpio acpi_pad acpi_thermal_rel soc_button_array int3403_thermal int340x_thermal_zone mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_sensor_custom hid_sensor_hub intel_ishtp_loader intel_ishtp_hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 mmc_block i2c_algo_bit
[ 9.698885] aesni_intel crypto_simd drm_kms_helper cryptd syscopyarea sysfillrect glue_helper sysimgblt fb_sys_fops cec intel_ish_ipc drm lpc_ich intel_ishtp hid_asus intel_soc_pmic_chtdc_ti asus_wmi i2c_hid sparse_keymap sdhci_acpi wmi video sdhci hid_generic usbhid hid
[ 9.736699] CPU: 3 PID: 523 Comm: systemd-udevd Tainted: G C 5.7.0-rc1+ #2
[ 9.741309] Hardware name: ASUSTeK COMPUTER INC. T101HA/T101HA, BIOS T101HA.305 01/24/2018
[ 9.745962] RIP: 0010:cpu_latency_qos_update_request+0x3a/0xb0
[ 9.750615] Code: 89 e5 41 55 41 54 41 89 f4 53 48 89 fb 48 81 7f 28 e0 7f c6 9e 74 1c 48 c7 c6 60 f3 65 9e 48 c7 c7 e8 a9 99 9e e8 b2 a6 f9 ff <0f> 0b 5b 41 5c 41 5d 5d c3 0f 1f 44 00 00 44 3b 23 74 ef 44 89 e2
[ 9.760065] RSP: 0018:ffffa865404f39c0 EFLAGS: 00010282
[ 9.764734] RAX: 0000000000000000 RBX: ffff9d2aefc84350 RCX: 0000000000000000
[ 9.769435] RDX: ffff9d2afbfa97c0 RSI: ffff9d2afbf99808 RDI: ffff9d2afbf99808
[ 9.774125] RBP: ffffa865404f39d8 R08: 0000000000000304 R09: 0000000000aaaaaa
[ 9.778804] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[ 9.783491] R13: ffff9d2afb4640b0 R14: ffffffffc07ecf20 R15: 0000000091000000
[ 9.788187] FS: 00007efe67ff8880(0000) GS:ffff9d2afbf80000(0000) knlGS:0000000000000000
[ 9.792864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.797482] CR2: 00007ffc6424bdc8 CR3: 0000000178998000 CR4: 00000000001006e0
[ 9.802126] Call Trace:
[ 9.806775] atomisp_pci_probe.cold.19+0x15f/0x116f [atomisp]
[ 9.811441] local_pci_probe+0x47/0x80
[ 9.816085] pci_device_probe+0xff/0x1b0
[ 9.820706] really_probe+0x1c8/0x3e0
[ 9.825247] driver_probe_device+0xd9/0x120
[ 9.829769] device_driver_attach+0x58/0x60
[ 9.834294] __driver_attach+0x8f/0x150
[ 9.838782] ? device_driver_attach+0x60/0x60
[ 9.843205] ? device_driver_attach+0x60/0x60
[ 9.847634] bus_for_each_dev+0x79/0xc0
[ 9.852033] ? kmem_cache_alloc_trace+0x167/0x230
[ 9.856462] driver_attach+0x1e/0x20
Reported-by: Patrik Gfeller <patrik.gfeller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are currently two identical copies of some files, one
at css_2401_csi2p_system/ and another one at css_2401_system/.
Get rid of one of them, moving the remaining files to the
directory with the shortest name.
While here, do more renames, in order to get smaller path
names.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The Asus Transformer T101HA comes with a newer hardware
version. Add support to load firmware for it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are lots of places inside this driver checking for
ISP2400/ISP2401 verison. Get rid of most of those, while
keep building for both.
Most of stuff in this patch is trivial to solve.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Everything there is for ISP2401 only. So, we can trivially
solve all ifdefs at once.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Everything there is for ISP2401 only. So, we can trivially
solve all ifdefs at once.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Everything there is for ISP2400 only. So, we can trivially
solve all ifdefs at once
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Now that everything needed to build for ISP2401 is solved,
we can setup atomisp to build either for ISP2400 or ISP2401.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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With the current way, it will produce lots of errors because
the public header contains wrong definitions and the private
one has functions defined at the wrong order.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Probably due to some version conflicts while the atomisp code
were generated, some things don't build for ISP2401. So, use
the ISP2400 variant when available, or get rid of the
code that doesn't build.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver has very long directories without a good
reason (IMHO). Let's drop two directories from such hierarchy,
in order to simplify things a little bit and make the dir
output a bit more readable.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Remove an uneeded define and Makefile.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The *system_*.h files contain ISP-specific definitions, and are
used everywhere.
While the best would be to get rid of those in favor of some
ISP-specific structs, a change like that would require lots
of changes.
So, instead, let's rename those files replacing them by new
ones with ISP ifdefs on it, in order to select between the
two different versions.
We shall later convert this to some abrstraction layer,
but this change should help to be able to build support for
either ISP2400 or ISP2401.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This is not defined anywhere, so just get rid of the dead
source code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are several defines on ISP-specific definition sets
that are unused, related to VMEM_BAMEM. Get rid of those.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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That's the last header file which had ifdefs for ISP2401.
The problem is that the conflicting dependencies were on another
file (sh_css_defs.h). Move the conflicting code to it, adding
a prefix which would describe what version the macro applies.
Then, ensure that binary.c will use the right version,
according with the hardware version.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Most of the remaining ifdefs check for ISP2401 are trivial.
Get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those files aren't used. So, just get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The contents of this file is identical to ipu2_io_ls, except
for the bayer directory, with is only at ipu2_io_ls.
So, get rid of the duplicated code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This file is different than the anr1 version. So, let's name
it differently.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are two instances of those, one for isp2401 and another
one for isp2400, both with identical contents, except for
comments and an ifdef.
Get rid of one of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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