litmus-rt.git - The LITMUS^RT kernel.

Branch	Commit message	Author	Age
archive/unc-master-3.0	P-FP: fix BUG_ON releated to priority inheritance	Bjoern Brandenburg	13 years
archived-2013.1	uncachedev: mmap memory that is not cached by CPUs	Glenn Elliott	12 years
archived-private-master	Merge branch 'wip-2.6.34' into old-private-master	Andrea Bastoni	15 years
archived-semi-part	Merge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...	Andrea Bastoni	15 years
demo	Further refinements	Jonathan Herman	14 years
ecrts-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
ecrts14-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
gpusync-rtss12	Final GPUSync implementation.	Glenn Elliott	12 years
gpusync/staging	Rename IKGLP R2DGLP.	Glenn Elliott	12 years
linux-tip	Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...	Linus Torvalds	15 years
litmus2008-patch-series	add i386 feather-trace implementation	Bjoern B. Brandenburg	16 years
master	PSN-EDF: use inferred_sporadic_job_release_at	Bjoern Brandenburg	9 years
pgm	make it compile	Glenn Elliott	12 years
prop/litmus-signals	Infrastructure for Litmus signals.	Glenn Elliott	13 years
prop/robust-tie-break	Fixed bug in edf_higher_prio().	Glenn Elliott	13 years
staging	Fix tracepoint compilation error	Felipe Cerqueira	13 years
test	9/23/2016	Namhoon Kim	9 years
tracing-devel	Test kernel tracing events capabilities	Andrea Bastoni	16 years
v2.6.34-with-arm-patches	smsc911x: Add spinlocks around registers access	Catalin Marinas	15 years
v2015.1	Add ARM syscall def for get_current_budget	Bjoern Brandenburg	10 years
wip-2011.2-bbb	Litmus core: simplify np-section protocol	Bjoern B. Brandenburg	14 years
wip-2011.2-bbb-trace	Refactor sched_trace_log_message() -> debug_trace_log_message()	Andrea Bastoni	14 years
wip-2012.3-gpu	SOBLIV draining support for C-EDF.	Glenn Elliott	12 years
wip-2012.3-gpu-preport	pick up last C-RM file	Glenn Elliott	12 years
wip-2012.3-gpu-rtss13	Fix critical bug in GPU tracker.	Glenn Elliott	12 years
wip-2012.3-gpu-sobliv-budget-w-kshark	Proper sobliv draining and many bug fixes.	Glenn Elliott	12 years
wip-aedzl-final	Make it easier to compile AEDZL interfaces in liblitmus.	Glenn Elliott	15 years
wip-aedzl-revised	Add sched_trace data for Apative EDZL	Glenn Elliott	15 years
wip-arbit-deadline	Fix compilation bug.	Glenn Elliott	13 years
wip-aux-tasks	Description of refined aux task inheritance.	Glenn Elliott	13 years
wip-bbb	GSN-EDF & Core: improve debug TRACE'ing for NP sections	Bjoern B. Brandenburg	14 years
wip-bbb-prio-don	use correct timestamp	Bjoern B. Brandenburg	14 years
wip-better-break	Implement hash-based EDF tie-breaking.	Glenn Elliott	13 years
wip-binary-heap	Make C-EDF work with simplified binheap_delete	Glenn Elliott	13 years
wip-budget	Added support for choices in budget policy enforcement.	Glenn Elliott	15 years
wip-color	Summarize schedulability with final record	Jonathan Herman	13 years
wip-color-jlh	sched_color: Fixed two bugs causing crashing on experiment restart and a rare...	Jonathan Herman	13 years
wip-d10-hz1000	Enable HZ=1000 on District 10	Bjoern B. Brandenburg	15 years
wip-default-clustering	Feature: Make default C-EDF clustering compile-time configurable.	Glenn Elliott	15 years
wip-dissipation-jerickso	Update from 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-dissipation2-jerickso	Update 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-ecrts14-pgm	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
wip-edf-hsb	last tested version	Jonathan Herman	14 years
wip-edf-os	Lookup table EDF-os	Jeremy Erickson	12 years
wip-edf-tie-break	Merge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...	Glenn Elliott	13 years
wip-edzl-critique	Use hr_timer's active checks instead of having own flag.	Glenn Elliott	15 years
wip-edzl-final	Implementation of the EDZL scheduler.	Glenn Elliott	15 years
wip-edzl-revised	Clean up comments.	Glenn Elliott	15 years
wip-events	Added support for tracing arbitrary actions.	Jonathan Herman	15 years
wip-extra-debug	DBG: add additional tracing	Bjoern B. Brandenburg	15 years
wip-fix-switch-jerickso	Attempt to fix race condition with plugin switching	Jeremy Erickson	15 years
wip-fix3	sched: show length of runqueue clock deactivation in /proc/sched_debug	Bjoern B. Brandenburg	15 years
wip-fmlp-dequeue	Improve FMLP queue management.	Glenn Elliott	14 years
wip-ft-irq-flag	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-gpu-cleanup	Enable sched_trace log injection from userspace	Glenn Elliott	13 years
wip-gpu-interrupts	Remove option for threading of all softirqs.	Glenn Elliott	14 years
wip-gpu-rtas12	Generalized GPU cost predictors + EWMA. (untested)	Glenn Elliott	13 years
wip-gpu-rtss12	Final GPUSync implementation.	Glenn Elliott	13 years
wip-gpu-rtss12-srp	experimental changes to support GPUs under SRP	Glenn Elliott	13 years
wip-gpusync-merge	Cleanup priority tracking for budget enforcement.	Glenn Elliott	11 years
wip-ikglp	Move RSM and IKGLP imp. to own .c files	Glenn Elliott	13 years
wip-k-fmlp	Merge branch 'mpi-master' into wip-k-fmlp	Glenn Elliott	14 years
wip-kernel-coloring	Added recolor syscall	Namhoon Kim	7 years
wip-kernthreads	Kludge work-queue processing into klitirqd.	Glenn Elliott	15 years
wip-klmirqd-to-aux	Allow klmirqd threads to be given names.	Glenn Elliott	13 years
wip-kshark	Merge branch 'mpi-staging' into wip-kshark	Jonathan Herman	13 years
wip-litmus-3.2	Merge commit 'v3.2' into litmus-staging	Andrea Bastoni	13 years
wip-litmus2011.2	Cleanup: Coding conformance for affinity stuff.	Glenn Elliott	14 years
wip-litmus3.0-2011.2	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-master-2.6.33-rt	Avoid deadlock when switching task policy to BACKGROUND (ugly)	Andrea Bastoni	15 years
wip-mc	Removed ARM-specific hacks which disabled less common mixed-criticality featu...	Jonathan Herman	12 years
wip-mc-bipasa	MC-EDF added	bipasa chattopadhyay	13 years
wip-mc-jerickso	Split C/D queues	Jeremy Erickson	15 years
wip-mc2-cache-slack	Manually patched mc^2 related code	Ming Yang	10 years
wip-mcrit-mac	cosmetic	Mac Mollison	15 years
wip-merge-3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-merge-v3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-migration-affinity	NULL affinity dereference in C-EDF.	Glenn Elliott	14 years
wip-mmap-uncache	share branch with others	Glenn Elliott	13 years
wip-modechange	RTSS 2017 submission	Namhoon Kim	8 years
wip-nested-locking	Appears to be working.	Bryan Ward	12 years
wip-omlp-gedf	First implementation of G-OMLP.	Glenn Elliott	15 years
wip-pai	Some cleanup of PAI	Glenn Elliott	14 years
wip-percore-lib	9/21/2016	Namhoon Kim	9 years
wip-performance	CONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.	Glenn Elliott	14 years
wip-pgm	Add PGM support to C-FL	Glenn Elliott	12 years
wip-pgm-split	First draft of C-FL-split	Namhoon Kim	12 years
wip-pm-ovd	Add preemption-and-migration overhead tracing support	Andrea Bastoni	15 years
wip-prio-inh	P-EDF updated to use the generic pi framework.	Glenn Elliott	15 years
wip-prioq-dgl	BUG FIX: Support DGLs with PRIOQ_MUTEX	Glenn Elliott	13 years
wip-refactored-gedf	Generalizd architecture for GEDF-style scheduelrs to reduce code redundancy.	Glenn Elliott	15 years
wip-release-master-fix	bugfix: release master CPU must signal task was picked	Bjoern B. Brandenburg	14 years
wip-robust-tie-break	EDF priority tie-breaks.	Glenn Elliott	13 years
wip-rt-kshark	Move task time accounting into the complete_job method.	Jonathan Herman	13 years
wip-rtas12-pgm	Scheduling of PGM jobs.	Glenn Elliott	13 years
wip-semi-part	Fix compile error with newer GCC	Jeremy Erickson	12 years
wip-semi-part-edfos-jerickso	Use initial CPU set by client	Jeremy Erickson	12 years
wip-shared-lib	TODO: Fix condition checks in replicate_page_move_mapping()	Namhoon Kim	9 years
wip-shared-lib2	RTAS 2017 Submission ver.	Namhoon Kim	9 years
wip-shared-mem	Initial commit for shared library	Namhoon Kim	9 years
wip-splitting-jerickso	Fix release behavior	Jeremy Erickson	13 years
wip-splitting-omlp-jerickso	Bjoern's Dissertation Code with Priority Donation	Jeremy Erickson	13 years
wip-stage-binheap	An efficient binary heap implementation.	Glenn Elliott	13 years
wip-sun-port	Dynamic memory allocation and clean exit for FeatherTrace	Christopher Kenna	15 years
wip-timer-trace	bugfix: C-EDF, clear scheduled field of the correct CPU upon task_exit	Andrea Bastoni	15 years
wip-tracepoints	Add kernel-style events for sched_trace_XXX() functions	Andrea Bastoni	14 years

Tag	Download	Author	Age
2015.1	commit 8e51b37822...	Bjoern Brandenburg	10 years
2013.1	commit bcaacec1ca...	Glenn Elliott	12 years
2012.3	commit c158b5fbe4...	Jonathan Herman	13 years
2012.2	commit b53c479a0f...	Glenn Elliott	13 years
2012.1	commit 83b11ea1c6...	Bjoern B. Brandenburg	14 years
rtas12-mc-beta-exp	commit 8e236ee20f...	Christopher Kenna	14 years
2011.1	commit d11808b5c6...	Christopher Kenna	15 years
v2.6.37-rc4	commit e8a7e48bb2...	Linus Torvalds	15 years
v2.6.37-rc3	commit 3561d43fd2...	Linus Torvalds	15 years
v2.6.37-rc2	commit e53beacd23...	Linus Torvalds	15 years
v2.6.37-rc1	commit c8ddb2713c...	Linus Torvalds	15 years
v2.6.36	commit f6f94e2ab1...	Linus Torvalds	15 years
2010.2	commit 5c5456402d...	Bjoern B. Brandenburg	15 years
v2.6.36-rc8	commit cd07202cc8...	Linus Torvalds	15 years
v2.6.36-rc7	commit cb655d0f3d...	Linus Torvalds	15 years
v2.6.36-rc6	commit 899611ee7d...	Linus Torvalds	15 years
v2.6.36-rc5	commit b30a3f6257...	Linus Torvalds	15 years
v2.6.36-rc4	commit 49553c2ef8...	Linus Torvalds	15 years
v2.6.36-rc3	commit 2bfc96a127...	Linus Torvalds	15 years
v2.6.36-rc2	commit 76be97c1fc...	Linus Torvalds	15 years
v2.6.36-rc1	commit da5cabf80e...	Linus Torvalds	15 years
v2.6.35	commit 9fe6206f40...	Linus Torvalds	15 years
v2.6.35-rc6	commit b37fa16e78...	Linus Torvalds	15 years
v2.6.35-rc5	commit 1c5474a65b...	Linus Torvalds	15 years
v2.6.35-rc4	commit 815c4163b6...	Linus Torvalds	15 years
v2.6.35-rc3	commit 7e27d6e778...	Linus Torvalds	15 years
v2.6.35-rc2	commit e44a21b726...	Linus Torvalds	15 years
v2.6.35-rc1	commit 67a3e12b05...	Linus Torvalds	15 years
2010.1	commit 7c1ff4c544...	Andrea Bastoni	15 years
v2.6.34	commit e40152ee1e...	Linus Torvalds	15 years
v2.6.33.4	commit 4640b4e7d9...	Greg Kroah-Hartman	15 years
v2.6.34-rc7	commit b57f95a382...	Linus Torvalds	15 years
v2.6.34-rc6	commit 66f41d4c5c...	Linus Torvalds	15 years
v2.6.33.3	commit 3e7ad8ed97...	Greg Kroah-Hartman	15 years
v2.6.34-rc5	commit 01bf0b6457...	Linus Torvalds	15 years
v2.6.34-rc4	commit 0d0fb0f9c5...	Linus Torvalds	15 years
v2.6.33.2	commit 19f00f070c...	Greg Kroah-Hartman	15 years
v2.6.34-rc3	commit 2eaa9cfdf3...	Linus Torvalds	15 years
v2.6.34-rc2	commit 220bf991b0...	Linus Torvalds	15 years
v2.6.33.1	commit dbdafe5ccf...	Greg Kroah-Hartman	16 years
v2.6.34-rc1	commit 57d54889cd...	Linus Torvalds	16 years
v2.6.33	commit 60b341b778...	Linus Torvalds	16 years
v2.6.33-rc8	commit 724e6d3fe8...	Linus Torvalds	16 years
v2.6.33-rc7	commit 29275254ca...	Linus Torvalds	16 years
v2.6.33-rc6	commit abe94c756c...	Linus Torvalds	16 years
v2.6.33-rc5	commit 92dcffb916...	Linus Torvalds	16 years
v2.6.33-rc4	commit 7284ce6c9f...	Linus Torvalds	16 years
v2.6.33-rc3	commit 74d2e4f8d7...	Linus Torvalds	16 years
v2.6.33-rc2	commit 6b7b284958...	Linus Torvalds	16 years
v2.6.33-rc1	commit 55639353a0...	Linus Torvalds	16 years
v2.6.32	commit 22763c5cf3...	Linus Torvalds	16 years
v2.6.32-rc8	commit 648f4e3e50...	Linus Torvalds	16 years
v2.6.32-rc7	commit 156171c71a...	Linus Torvalds	16 years
v2.6.32-rc6	commit b419148e56...	Linus Torvalds	16 years
v2.6.32-rc5	commit 012abeea66...	Linus Torvalds	16 years
v2.6.32-rc4	commit 161291396e...	Linus Torvalds	16 years
v2.6.32-rc3	commit 374576a8b6...	Linus Torvalds	16 years
v2.6.32-rc1	commit 17d857be64...	Linus Torvalds	16 years
v2.6.32-rc2	commit 17d857be64...	Linus Torvalds	16 years
v2.6.31	commit 74fca6a428...	Linus Torvalds	16 years
v2.6.31-rc9	commit e07cccf404...	Linus Torvalds	16 years
v2.6.31-rc8	commit 326ba5010a...	Linus Torvalds	16 years
v2.6.31-rc7	commit 422bef879e...	Linus Torvalds	16 years
v2.6.31-rc6	commit 64f1607ffb...	Linus Torvalds	16 years
v2.6.31-rc5	commit ed680c4ad4...	Linus Torvalds	16 years
v2.6.31-rc4	commit 4be3bd7849...	Linus Torvalds	16 years
v2.6.31-rc3	commit 6847e154e3...	Linus Torvalds	16 years
v2.6.31-rc2	commit 8e4a718ff3...	Linus Torvalds	16 years
v2.6.31-rc1	commit 28d0325ce6...	Linus Torvalds	16 years
v2.6.30	commit 07a2039b8e...	Linus Torvalds	16 years
v2.6.30-rc8	commit 9fa7eb283c...	Linus Torvalds	16 years
v2.6.30-rc7	commit 59a3759d0f...	Linus Torvalds	16 years
v2.6.30-rc6	commit 1406de8e11...	Linus Torvalds	16 years
v2.6.30-rc5	commit 091bf7624d...	Linus Torvalds	16 years
v2.6.30-rc4	commit 091438dd56...	Linus Torvalds	16 years
v2.6.30-rc3	commit 0910697403...	Linus Torvalds	16 years
v2.6.30-rc2	commit 0882e8dd3a...	Linus Torvalds	16 years
v2.6.30-rc1	commit 577c9c456f...	Linus Torvalds	16 years
v2.6.29	commit 8e0ee43bc2...	Linus Torvalds	16 years
v2.6.29-rc8	commit 041b62374c...	Linus Torvalds	17 years
v2.6.29-rc7	commit fec6c6fec3...	Linus Torvalds	17 years
v2.6.29-rc6	commit 20f4d6c3a2...	Linus Torvalds	17 years
v2.6.29-rc5	commit d2f8d7ee1a...	Linus Torvalds	17 years
v2.6.29-rc4	commit 8e4921515c...	Linus Torvalds	17 years
v2.6.29-rc3	commit 18e352e4a7...	Linus Torvalds	17 years
v2.6.29-rc2	commit 1de9e8e70f...	Linus Torvalds	17 years
v2.6.29-rc1	commit c59765042f...	Linus Torvalds	17 years
v2.6.28	commit 4a6908a3a0...	Linus Torvalds	17 years
v2.6.28-rc9	commit 929096fe9f...	Linus Torvalds	17 years
v2.6.28-rc8	commit 8b1fae4e42...	Linus Torvalds	17 years
v2.6.28-rc7	commit 061e41fdb5...	Linus Torvalds	17 years
v2.6.28-rc6	commit 13d428afc0...	Linus Torvalds	17 years
v2.6.28-rc5	commit 9bf1a2445f...	Linus Torvalds	17 years
v2.6.28-rc4	commit f7160c7573...	Linus Torvalds	17 years
v2.6.28-rc3	commit 45beca08dd...	Linus Torvalds	17 years
v2.6.28-rc2	commit 0173a3265b...	Linus Torvalds	17 years
v2.6.28-rc1	commit 57f8f7b60d...	Linus Torvalds	17 years
v2.6.27	commit 3fa8749e58...	Linus Torvalds	17 years
v2.6.27-rc9	commit 4330ed8ed4...	Linus Torvalds	17 years
v2.6.27-rc8	commit 94aca1dac6...	Linus Torvalds	17 years
v2.6.27-rc7	commit 72d31053f6...	Linus Torvalds	17 years
v2.6.27-rc6	commit adee14b2e1...	Linus Torvalds	17 years
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v2.6.27-rc4	commit 6a55617ed5...	Linus Torvalds	17 years
v2.6.27-rc3	commit 30a2f3c60a...	Linus Torvalds	17 years
v2.6.27-rc2	commit 0967d61ea0...	Linus Torvalds	17 years
v2.6.27-rc1	commit 6e86841d05...	Linus Torvalds	17 years
v2.6.26	commit bce7f793da...	Linus Torvalds	17 years
v2.6.26-rc9	commit b7279469d6...	Linus Torvalds	17 years
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v2.6.26-rc3	commit b8291ad07a...	Linus Torvalds	17 years
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v2.6.25	commit 4b119e21d0...	Linus Torvalds	17 years
v2.6.25-rc9	commit 120dd64cac...	Linus Torvalds	17 years
v2.6.25-rc8	commit 0e81a8ae37...	Linus Torvalds	17 years
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v2.6.25-rc6	commit a978b30af3...	Linus Torvalds	17 years
v2.6.25-rc5	commit cdeeeae056...	Linus Torvalds	18 years
v2.6.25-rc4	commit 29e8c3c304...	Linus Torvalds	18 years
v2.6.25-rc3	commit bfa274e243...	Linus Torvalds	18 years
v2.6.25-rc2	commit 101142c37b...	Linus Torvalds	18 years
v2.6.25-rc1	commit 19af35546d...	Linus Torvalds	18 years
v2.6.24	commit 49914084e7...	Linus Torvalds	18 years
v2.6.24-rc8	commit cbd9c88369...	Linus Torvalds	18 years
v2.6.24-rc7	commit 3ce5445046...	Linus Torvalds	18 years
v2.6.24-rc6	commit ea67db4cdb...	Linus Torvalds	18 years
v2.6.24-rc5	commit 82d29bf6dc...	Linus Torvalds	18 years
v2.6.24-rc4	commit 09b56adc98...	Linus Torvalds	18 years
v2.6.24-rc3	commit d9f8bcbf67...	Linus Torvalds	18 years
v2.6.24-rc2	commit dbeeb816e8...	Linus Torvalds	18 years
v2.6.24-rc1	commit c9927c2bf4...	Linus Torvalds	18 years
v2.6.23	commit bbf25010f1...	Linus Torvalds	18 years
v2.6.23-rc9	commit 3146b39c18...	Linus Torvalds	18 years
v2.6.23-rc8	commit 4942de4a0e...	Linus Torvalds	18 years
v2.6.23-rc7	commit 81cfe79b9c...	Linus Torvalds	18 years
v2.6.23-rc6	commit 0d4cbb5e7f...	Linus Torvalds	18 years
v2.6.23-rc5	commit 40ffbfad6b...	Linus Torvalds	18 years
v2.6.23-rc4	commit b07d68b5ca...	Linus Torvalds	18 years
v2.6.23-rc3	commit 39d3520c92...	Linus Torvalds	18 years
v2.6.23-rc2	commit d4ac2477fa...	Linus Torvalds	18 years
v2.6.23-rc1	commit f695baf2df...	Linus Torvalds	18 years
v2.6.22	commit 7dcca30a32...	Linus Torvalds	18 years
v2.6.22-rc7	commit a38d6181ff...	Linus Torvalds	18 years
v2.6.22-rc6	commit 189548642c...	Linus Torvalds	18 years
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v2.6.22-rc4	commit 5ecd3100e6...	Linus Torvalds	18 years
v2.6.22-rc3	commit c420bc9f09...	Linus Torvalds	18 years
v2.6.22-rc2	commit 55b637c6a0...	Linus Torvalds	18 years
v2.6.22-rc1	commit 39403865d2...	Linus Torvalds	18 years
v2.6.21	commit de46c33745...	Linus Torvalds	18 years
v2.6.21-rc7	commit 94a05509a9...	Linus Torvalds	18 years
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v2.6.20	commit 62d0cfcb27...	Linus Torvalds	19 years
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v2.6.20-rc4	commit bf81b46482...	Linus Torvalds	19 years
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v2.6.19-rc6	commit 44597f65f6...	Linus Torvalds	19 years
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/* Copyright (C) 2004 - 2008 rt2x00 SourceForge Project <http://rt2x00.serialmonkey.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Module: rt73usb Abstract: rt73usb device specific routines. Supported chipsets: rt2571W & rt2671. */ #include <linux/crc-itu-t.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/usb.h> #include "rt2x00.h" #include "rt2x00usb.h" #include "rt73usb.h" /* * Allow hardware encryption to be disabled. */ static int modparam_nohwcrypt = 0; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); /* * Register access. * All access to the CSR registers will go through the methods * rt2x00usb_register_read and rt2x00usb_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg)) static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_BBP(rt2x00dev, &reg)) { reg = 0; rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value); rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word); rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1); rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0); rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_BBP(rt2x00dev, &reg)) { reg = 0; rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word); rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1); rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1); rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); WAIT_FOR_BBP(rt2x00dev, &reg); } *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; if (!word) return; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RF becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RF(rt2x00dev, &reg)) { reg = 0; rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value); /* * RF5225 and RF2527 contain 21 bits per RF register value, * all others contain 20 bits. */ rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 20 + (rt2x00_rf(&rt2x00dev->chip, RF5225) || rt2x00_rf(&rt2x00dev->chip, RF2527))); rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0); rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1); rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } #ifdef CONFIG_RT2X00_LIB_DEBUGFS static const struct rt2x00debug rt73usb_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2x00usb_register_read, .write = rt2x00usb_register_write, .flags = RT2X00DEBUGFS_OFFSET, .word_base = CSR_REG_BASE, .word_size = sizeof(u32), .word_count = CSR_REG_SIZE / sizeof(u32), }, .eeprom = { .read = rt2x00_eeprom_read, .write = rt2x00_eeprom_write, .word_base = EEPROM_BASE, .word_size = sizeof(u16), .word_count = EEPROM_SIZE / sizeof(u16), }, .bbp = { .read = rt73usb_bbp_read, .write = rt73usb_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt73usb_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, }; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ #ifdef CONFIG_RT2X00_LIB_RFKILL static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg); return rt2x00_get_field32(reg, MAC_CSR13_BIT7); } #else #define rt73usb_rfkill_poll NULL #endif /* CONFIG_RT2X00_LIB_RFKILL */ #ifdef CONFIG_RT2X00_LIB_LEDS static void rt73usb_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); unsigned int enabled = brightness != LED_OFF; unsigned int a_mode = (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); unsigned int bg_mode = (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); if (led->type == LED_TYPE_RADIO) { rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, MCU_LEDCS_RADIO_STATUS, enabled); rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, 0, led->rt2x00dev->led_mcu_reg, REGISTER_TIMEOUT); } else if (led->type == LED_TYPE_ASSOC) { rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, MCU_LEDCS_LINK_BG_STATUS, bg_mode); rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg, MCU_LEDCS_LINK_A_STATUS, a_mode); rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, 0, led->rt2x00dev->led_mcu_reg, REGISTER_TIMEOUT); } else if (led->type == LED_TYPE_QUALITY) { /* * The brightness is divided into 6 levels (0 - 5), * this means we need to convert the brightness * argument into the matching level within that range. */ rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, brightness / (LED_FULL / 6), led->rt2x00dev->led_mcu_reg, REGISTER_TIMEOUT); } } static int rt73usb_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); u32 reg; rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg); rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on); rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off); rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg); return 0; } static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt73usb_brightness_set; led->led_dev.blink_set = rt73usb_blink_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; struct rt2x00_field32 field; int timeout; u32 mask; u32 reg; if (crypto->cmd == SET_KEY) { /* * rt2x00lib can't determine the correct free * key_idx for shared keys. We have 1 register * with key valid bits. The goal is simple, read * the register, if that is full we have no slots * left. * Note that each BSS is allowed to have up to 4 * shared keys, so put a mask over the allowed * entries. */ mask = (0xf << crypto->bssidx); rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg); reg &= mask; if (reg && reg == mask) return -ENOSPC; key->hw_key_idx += reg ? ffz(reg) : 0; /* * Upload key to hardware */ memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); reg = SHARED_KEY_ENTRY(key->hw_key_idx); timeout = REGISTER_TIMEOUT32(sizeof(key_entry)); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, reg, &key_entry, sizeof(key_entry), timeout); /* * The cipher types are stored over 2 registers. * bssidx 0 and 1 keys are stored in SEC_CSR1 and * bssidx 1 and 2 keys are stored in SEC_CSR5. * Using the correct defines correctly will cause overhead, * so just calculate the correct offset. */ if (key->hw_key_idx < 8) { field.bit_offset = (3 * key->hw_key_idx); field.bit_mask = 0x7 << field.bit_offset; rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg); rt2x00_set_field32(&reg, field, crypto->cipher); rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg); } else { field.bit_offset = (3 * (key->hw_key_idx - 8)); field.bit_mask = 0x7 << field.bit_offset; rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg); rt2x00_set_field32(&reg, field, crypto->cipher); rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg); } /* * The driver does not support the IV/EIV generation * in hardware. However it doesn't support the IV/EIV * inside the ieee80211 frame either, but requires it * to be provided seperately for the descriptor. * rt2x00lib will cut the IV/EIV data out of all frames * given to us by mac80211, but we must tell mac80211 * to generate the IV/EIV data. */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; } /* * SEC_CSR0 contains only single-bit fields to indicate * a particular key is valid. Because using the FIELD32() * defines directly will cause a lot of overhead we use * a calculation to determine the correct bit directly. */ mask = 1 << key->hw_key_idx; rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg); if (crypto->cmd == SET_KEY) reg |= mask; else if (crypto->cmd == DISABLE_KEY) reg &= ~mask; rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg); return 0; } static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_pairwise_ta_entry addr_entry; struct hw_key_entry key_entry; int timeout; u32 mask; u32 reg; if (crypto->cmd == SET_KEY) { /* * rt2x00lib can't determine the correct free * key_idx for pairwise keys. We have 2 registers * with key valid bits. The goal is simple, read * the first register, if that is full move to * the next register. * When both registers are full, we drop the key, * otherwise we use the first invalid entry. */ rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg); if (reg && reg == ~0) { key->hw_key_idx = 32; rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg); if (reg && reg == ~0) return -ENOSPC; } key->hw_key_idx += reg ? ffz(reg) : 0; /* * Upload key to hardware */ memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx); timeout = REGISTER_TIMEOUT32(sizeof(key_entry)); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, reg, &key_entry, sizeof(key_entry), timeout); /* * Send the address and cipher type to the hardware register. * This data fits within the CSR cache size, so we can use * rt2x00usb_register_multiwrite() directly. */ memset(&addr_entry, 0, sizeof(addr_entry)); memcpy(&addr_entry, crypto->address, ETH_ALEN); addr_entry.cipher = crypto->cipher; reg = PAIRWISE_TA_ENTRY(key->hw_key_idx); rt2x00usb_register_multiwrite(rt2x00dev, reg, &addr_entry, sizeof(addr_entry)); /* * Enable pairwise lookup table for given BSS idx, * without this received frames will not be decrypted * by the hardware. */ rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg); reg |= (1 << crypto->bssidx); rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg); /* * The driver does not support the IV/EIV generation * in hardware. However it doesn't support the IV/EIV * inside the ieee80211 frame either, but requires it * to be provided seperately for the descriptor. * rt2x00lib will cut the IV/EIV data out of all frames * given to us by mac80211, but we must tell mac80211 * to generate the IV/EIV data. */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; } /* * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate * a particular key is valid. Because using the FIELD32() * defines directly will cause a lot of overhead we use * a calculation to determine the correct bit directly. */ if (key->hw_key_idx < 32) { mask = 1 << key->hw_key_idx; rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg); if (crypto->cmd == SET_KEY) reg |= mask; else if (crypto->cmd == DISABLE_KEY) reg &= ~mask; rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg); } else { mask = 1 << (key->hw_key_idx - 32); rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg); if (crypto->cmd == SET_KEY) reg |= mask; else if (crypto->cmd == DISABLE_KEY) reg &= ~mask; rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg); } return 0; } static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { u32 reg; /* * Start configuration steps. * Note that the version error will always be dropped * and broadcast frames will always be accepted since * there is no filter for it at this time. */ rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME, !(filter_flags & FIF_PROMISC_IN_BSS)); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS, !(filter_flags & FIF_PROMISC_IN_BSS) && !rt2x00dev->intf_ap_count); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST, !(filter_flags & FIF_ALLMULTI)); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0); rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, !(filter_flags & FIF_CONTROL)); rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); } static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { unsigned int beacon_base; u32 reg; if (flags & CONFIG_UPDATE_TYPE) { /* * Clear current synchronisation setup. * For the Beacon base registers we only need to clear * the first byte since that byte contains the VALID and OWNER * bits which (when set to 0) will invalidate the entire beacon. */ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); rt2x00usb_register_write(rt2x00dev, beacon_base, 0); /* * Enable synchronisation. */ rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg); rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1); rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync); rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); } if (flags & CONFIG_UPDATE_MAC) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); conf->mac[1] = cpu_to_le32(reg); rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac, sizeof(conf->mac)); } if (flags & CONFIG_UPDATE_BSSID) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3); conf->bssid[1] = cpu_to_le32(reg); rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4, conf->bssid, sizeof(conf->bssid)); } } static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout); rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg); rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, !!erp->short_preamble); rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg); rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates); rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg); rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time); rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg); rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg); rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs); rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs); rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg); } static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r3; u8 r4; u8 r77; u8 temp; rt73usb_bbp_read(rt2x00dev, 3, &r3); rt73usb_bbp_read(rt2x00dev, 4, &r4); rt73usb_bbp_read(rt2x00dev, 77, &r77); rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0); /* * Configure the RX antenna. */ switch (ant->rx) { case ANTENNA_HW_DIVERSITY: rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags) && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ); rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp); break; case ANTENNA_A: rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); else rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); break; case ANTENNA_B: default: rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); else rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); break; } rt73usb_bbp_write(rt2x00dev, 77, r77); rt73usb_bbp_write(rt2x00dev, 3, r3); rt73usb_bbp_write(rt2x00dev, 4, r4); } static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r3; u8 r4; u8 r77; rt73usb_bbp_read(rt2x00dev, 3, &r3); rt73usb_bbp_read(rt2x00dev, 4, &r4); rt73usb_bbp_read(rt2x00dev, 77, &r77); rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0); rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)); /* * Configure the RX antenna. */ switch (ant->rx) { case ANTENNA_HW_DIVERSITY: rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2); break; case ANTENNA_A: rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3); rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); break; case ANTENNA_B: default: rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0); rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1); break; } rt73usb_bbp_write(rt2x00dev, 77, r77); rt73usb_bbp_write(rt2x00dev, 3, r3); rt73usb_bbp_write(rt2x00dev, 4, r4); } struct antenna_sel { u8 word; /* * value[0] -> non-LNA * value[1] -> LNA */ u8 value[2]; }; static const struct antenna_sel antenna_sel_a[] = { { 96, { 0x58, 0x78 } }, { 104, { 0x38, 0x48 } }, { 75, { 0xfe, 0x80 } }, { 86, { 0xfe, 0x80 } }, { 88, { 0xfe, 0x80 } }, { 35, { 0x60, 0x60 } }, { 97, { 0x58, 0x58 } }, { 98, { 0x58, 0x58 } }, }; static const struct antenna_sel antenna_sel_bg[] = { { 96, { 0x48, 0x68 } }, { 104, { 0x2c, 0x3c } }, { 75, { 0xfe, 0x80 } }, { 86, { 0xfe, 0x80 } }, { 88, { 0xfe, 0x80 } }, { 35, { 0x50, 0x50 } }, { 97, { 0x48, 0x48 } }, { 98, { 0x48, 0x48 } }, }; static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { const struct antenna_sel *sel; unsigned int lna; unsigned int i; u32 reg; /* * We should never come here because rt2x00lib is supposed * to catch this and send us the correct antenna explicitely. */ BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || ant->tx == ANTENNA_SW_DIVERSITY); if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { sel = antenna_sel_a; lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); } else { sel = antenna_sel_bg; lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); } for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg); rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)); rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)); rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg); if (rt2x00_rf(&rt2x00dev->chip, RF5226) || rt2x00_rf(&rt2x00dev->chip, RF5225)) rt73usb_config_antenna_5x(rt2x00dev, ant); else if (rt2x00_rf(&rt2x00dev->chip, RF2528) || rt2x00_rf(&rt2x00dev->chip, RF2527)) rt73usb_config_antenna_2x(rt2x00dev, ant); } static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u16 eeprom; short lna_gain = 0; if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) { if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) lna_gain += 14; rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); } else { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); } rt2x00dev->lna_gain = lna_gain; } static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev, struct rf_channel *rf, const int txpower) { u8 r3; u8 r94; u8 smart; rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) || rt2x00_rf(&rt2x00dev->chip, RF2527)); rt73usb_bbp_read(rt2x00dev, 3, &r3); rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart); rt73usb_bbp_write(rt2x00dev, 3, r3); r94 = 6; if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94)) r94 += txpower - MAX_TXPOWER; else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94)) r94 += txpower; rt73usb_bbp_write(rt2x00dev, 94, r94); rt73usb_rf_write(rt2x00dev, 1, rf->rf1); rt73usb_rf_write(rt2x00dev, 2, rf->rf2); rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt73usb_rf_write(rt2x00dev, 4, rf->rf4); rt73usb_rf_write(rt2x00dev, 1, rf->rf1); rt73usb_rf_write(rt2x00dev, 2, rf->rf2); rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt73usb_rf_write(rt2x00dev, 4, rf->rf4); rt73usb_rf_write(rt2x00dev, 1, rf->rf1); rt73usb_rf_write(rt2x00dev, 2, rf->rf2); rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt73usb_rf_write(rt2x00dev, 4, rf->rf4); udelay(10); } static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev, const int txpower) { struct rf_channel rf; rt2x00_rf_read(rt2x00dev, 1, &rf.rf1); rt2x00_rf_read(rt2x00dev, 2, &rf.rf2); rt2x00_rf_read(rt2x00dev, 3, &rf.rf3); rt2x00_rf_read(rt2x00dev, 4, &rf.rf4); rt73usb_config_channel(rt2x00dev, &rf, txpower); } static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg); rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, libconf->conf->long_frame_max_tx_count); rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT, libconf->conf->short_frame_max_tx_count); rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg); } static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg); rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg); rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, libconf->conf->beacon_int * 16); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); } static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { enum dev_state state = (libconf->conf->flags & IEEE80211_CONF_PS) ? STATE_SLEEP : STATE_AWAKE; u32 reg; if (state == STATE_SLEEP) { rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg); rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, libconf->conf->beacon_int - 10); rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, libconf->conf->listen_interval - 1); rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5); /* We must first disable autowake before it can be enabled */ rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0); rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1); rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_SLEEP, REGISTER_TIMEOUT); } else { rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_WAKEUP, REGISTER_TIMEOUT); rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg); rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0); rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0); rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0); rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0); rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); } } static void rt73usb_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt73usb_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) rt73usb_config_channel(rt2x00dev, &libconf->rf, libconf->conf->power_level); if ((flags & IEEE80211_CONF_CHANGE_POWER) && !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt73usb_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL) rt73usb_config_duration(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt73usb_config_ps(rt2x00dev, libconf); } /* * Link tuning */ static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg); qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); /* * Update False CCA count from register. */ rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg); qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); } static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { rt73usb_bbp_write(rt2x00dev, 17, vgc_level); qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt73usb_set_vgc(rt2x00dev, qual, 0x20); } static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { u8 up_bound; u8 low_bound; /* * Determine r17 bounds. */ if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) { low_bound = 0x28; up_bound = 0x48; if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { low_bound += 0x10; up_bound += 0x10; } } else { if (qual->rssi > -82) { low_bound = 0x1c; up_bound = 0x40; } else if (qual->rssi > -84) { low_bound = 0x1c; up_bound = 0x20; } else { low_bound = 0x1c; up_bound = 0x1c; } if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { low_bound += 0x14; up_bound += 0x10; } } /* * If we are not associated, we should go straight to the * dynamic CCA tuning. */ if (!rt2x00dev->intf_associated) goto dynamic_cca_tune; /* * Special big-R17 for very short distance */ if (qual->rssi > -35) { rt73usb_set_vgc(rt2x00dev, qual, 0x60); return; } /* * Special big-R17 for short distance */ if (qual->rssi >= -58) { rt73usb_set_vgc(rt2x00dev, qual, up_bound); return; } /* * Special big-R17 for middle-short distance */ if (qual->rssi >= -66) { rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10); return; } /* * Special mid-R17 for middle distance */ if (qual->rssi >= -74) { rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08); return; } /* * Special case: Change up_bound based on the rssi. * Lower up_bound when rssi is weaker then -74 dBm. */ up_bound -= 2 * (-74 - qual->rssi); if (low_bound > up_bound) up_bound = low_bound; if (qual->vgc_level > up_bound) { rt73usb_set_vgc(rt2x00dev, qual, up_bound); return; } dynamic_cca_tune: /* * r17 does not yet exceed upper limit, continue and base * the r17 tuning on the false CCA count. */ if ((qual->false_cca > 512) && (qual->vgc_level < up_bound)) rt73usb_set_vgc(rt2x00dev, qual, min_t(u8, qual->vgc_level + 4, up_bound)); else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound)) rt73usb_set_vgc(rt2x00dev, qual, max_t(u8, qual->vgc_level - 4, low_bound)); } /* * Firmware functions */ static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) { return FIRMWARE_RT2571; } static u16 rt73usb_get_firmware_crc(const void *data, const size_t len) { u16 crc; /* * Use the crc itu-t algorithm. * The last 2 bytes in the firmware array are the crc checksum itself, * this means that we should never pass those 2 bytes to the crc * algorithm. */ crc = crc_itu_t(0, data, len - 2); crc = crc_itu_t_byte(crc, 0); crc = crc_itu_t_byte(crc, 0); return crc; } static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, const size_t len) { unsigned int i; int status; u32 reg; /* * Wait for stable hardware. */ for (i = 0; i < 100; i++) { rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg); if (reg) break; msleep(1); } if (!reg) { ERROR(rt2x00dev, "Unstable hardware.\n"); return -EBUSY; } /* * Write firmware to device. */ rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, FIRMWARE_IMAGE_BASE, data, len, REGISTER_TIMEOUT32(len)); /* * Send firmware request to device to load firmware, * we need to specify a long timeout time. */ status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_FIRMWARE, REGISTER_TIMEOUT_FIRMWARE); if (status < 0) { ERROR(rt2x00dev, "Failed to write Firmware to device.\n"); return status; } return 0; } /* * Initialization functions. */ static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1); rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0); rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0); rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg); rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */ rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg); /* * CCK TXD BBP registers */ rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10); rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg); /* * OFDM TXD BBP registers */ rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5); rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg); rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59); rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53); rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49); rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46); rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg); rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44); rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42); rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42); rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42); rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg); rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg); rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0); rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0); rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0); rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0); rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0); rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg); rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff); rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg); rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718); if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) return -EBUSY; rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00); /* * Invalidate all Shared Keys (SEC_CSR0), * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) */ rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000); rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000); rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000); reg = 0x000023b0; if (rt2x00_rf(&rt2x00dev->chip, RF5225) || rt2x00_rf(&rt2x00dev->chip, RF2527)) rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1); rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg); rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06); rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606); rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408); rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg); rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0); rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg); /* * Clear all beacons * For the Beacon base registers we only need to clear * the first byte since that byte contains the VALID and OWNER * bits which (when set to 0) will invalidate the entire beacon. */ rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0); /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value. */ rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg); rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg); rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg); /* * Reset MAC and BBP registers. */ rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg); rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1); rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1); rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg); rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0); rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0); rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg); rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1); rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg); return 0; } static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt73usb_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; } static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev))) return -EACCES; rt73usb_bbp_write(rt2x00dev, 3, 0x80); rt73usb_bbp_write(rt2x00dev, 15, 0x30); rt73usb_bbp_write(rt2x00dev, 21, 0xc8); rt73usb_bbp_write(rt2x00dev, 22, 0x38); rt73usb_bbp_write(rt2x00dev, 23, 0x06); rt73usb_bbp_write(rt2x00dev, 24, 0xfe); rt73usb_bbp_write(rt2x00dev, 25, 0x0a); rt73usb_bbp_write(rt2x00dev, 26, 0x0d); rt73usb_bbp_write(rt2x00dev, 32, 0x0b); rt73usb_bbp_write(rt2x00dev, 34, 0x12); rt73usb_bbp_write(rt2x00dev, 37, 0x07); rt73usb_bbp_write(rt2x00dev, 39, 0xf8); rt73usb_bbp_write(rt2x00dev, 41, 0x60); rt73usb_bbp_write(rt2x00dev, 53, 0x10); rt73usb_bbp_write(rt2x00dev, 54, 0x18); rt73usb_bbp_write(rt2x00dev, 60, 0x10); rt73usb_bbp_write(rt2x00dev, 61, 0x04); rt73usb_bbp_write(rt2x00dev, 62, 0x04); rt73usb_bbp_write(rt2x00dev, 75, 0xfe); rt73usb_bbp_write(rt2x00dev, 86, 0xfe); rt73usb_bbp_write(rt2x00dev, 88, 0xfe); rt73usb_bbp_write(rt2x00dev, 90, 0x0f); rt73usb_bbp_write(rt2x00dev, 99, 0x00); rt73usb_bbp_write(rt2x00dev, 102, 0x16); rt73usb_bbp_write(rt2x00dev, 107, 0x04); for (i = 0; i < EEPROM_BBP_SIZE; i++) { rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); if (eeprom != 0xffff && eeprom != 0x0000) { reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); rt73usb_bbp_write(rt2x00dev, reg_id, value); } } return 0; } /* * Device state switch handlers. */ static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, (state == STATE_RADIO_RX_OFF) || (state == STATE_RADIO_RX_OFF_LINK)); rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg); } static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev) { /* * Initialize all registers. */ if (unlikely(rt73usb_init_registers(rt2x00dev) || rt73usb_init_bbp(rt2x00dev))) return -EIO; return 0; } static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev) { rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818); /* * Disable synchronisation. */ rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0); rt2x00usb_disable_radio(rt2x00dev); } static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg; unsigned int i; char put_to_sleep; put_to_sleep = (state != STATE_AWAKE); rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg); rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep); rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep); rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg); /* * Device is not guaranteed to be in the requested state yet. * We must wait until the register indicates that the * device has entered the correct state. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg); state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); if (state == !put_to_sleep) return 0; msleep(10); } return -EBUSY; } static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { int retval = 0; switch (state) { case STATE_RADIO_ON: retval = rt73usb_enable_radio(rt2x00dev); break; case STATE_RADIO_OFF: rt73usb_disable_radio(rt2x00dev); break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: rt73usb_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: case STATE_RADIO_IRQ_OFF: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: case STATE_SLEEP: case STATE_STANDBY: case STATE_AWAKE: retval = rt73usb_set_state(rt2x00dev, state); break; default: retval = -ENOTSUPP; break; } if (unlikely(retval)) ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", state, retval); return retval; } /* * TX descriptor initialization */ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); __le32 *txd = skbdesc->desc; u32 word; /* * Start writing the descriptor words. */ rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue); rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); rt2x00_desc_write(txd, 2, word); if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); } rt2x00_desc_read(txd, 5, &word); rt2x00_set_field32(&word, TXD_W5_TX_POWER, TXPOWER_TO_DEV(rt2x00dev->tx_power)); rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); rt2x00_desc_write(txd, 5, word); rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_VALID, 1); rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_ACK, test_bit(ENTRY_TXD_ACK, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_OFDM, (txdesc->rate_mode == RATE_MODE_OFDM)); rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); rt2x00_set_field32(&word, TXD_W0_BURST2, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); rt2x00_desc_write(txd, 0, word); } /* * TX data initialization */ static void rt73usb_write_beacon(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; /* * Add the descriptor in front of the skb. */ skb_push(entry->skb, entry->queue->desc_size); memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); skbdesc->desc = entry->skb->data; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg); rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0); rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0); rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); /* * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, beacon_base, entry->skb->data, entry->skb->len, REGISTER_TIMEOUT32(entry->skb->len)); /* * Clean up the beacon skb. */ dev_kfree_skb(entry->skb); entry->skb = NULL; } static int rt73usb_get_tx_data_len(struct queue_entry *entry) { int length; /* * The length _must_ be a multiple of 4, * but it must _not_ be a multiple of the USB packet size. */ length = roundup(entry->skb->len, 4); length += (4 * !(length % entry->queue->usb_maxpacket)); return length; } static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { u32 reg; if (queue != QID_BEACON) { rt2x00usb_kick_tx_queue(rt2x00dev, queue); return; } /* * For Wi-Fi faily generated beacons between participating stations. * Set TBTT phase adaptive adjustment step to 8us (default 16us) */ rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg); if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1); rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1); rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); } } /* * RX control handlers */ static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) { u8 offset = rt2x00dev->lna_gain; u8 lna; lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA); switch (lna) { case 3: offset += 90; break; case 2: offset += 74; break; case 1: offset += 64; break; default: return 0; } if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) { if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { if (lna == 3 || lna == 2) offset += 10; } else { if (lna == 3) offset += 6; else if (lna == 2) offset += 8; } } return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset; } static void rt73usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *rxd = (__le32 *)entry->skb->data; u32 word0; u32 word1; /* * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of * frame data in rt2x00usb. */ memcpy(skbdesc->desc, rxd, skbdesc->desc_len); rxd = (__le32 *)skbdesc->desc; /* * It is now safe to read the descriptor on all architectures. */ rt2x00_desc_read(rxd, 0, &word0); rt2x00_desc_read(rxd, 1, &word1); if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); } if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]); rxdesc->dev_flags |= RXDONE_CRYPTO_IV; _rt2x00_desc_read(rxd, 4, &rxdesc->icv); rxdesc->dev_flags |= RXDONE_CRYPTO_ICV; /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. It has provided the data seperately but rt2x00lib * should decide if it should be reinserted. */ rxdesc->flags |= RX_FLAG_IV_STRIPPED; /* * FIXME: Legacy driver indicates that the frame does * contain the Michael Mic. Unfortunately, in rt2x00 * the MIC seems to be missing completely... */ rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) rxdesc->flags |= RX_FLAG_DECRYPTED; else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) rxdesc->flags |= RX_FLAG_MMIC_ERROR; } /* * Obtain the status about this packet. * When frame was received with an OFDM bitrate, * the signal is the PLCP value. If it was received with * a CCK bitrate the signal is the rate in 100kbit/s. */ rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1); rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); if (rt2x00_get_field32(word0, RXD_W0_OFDM)) rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; else rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; /* * Set skb pointers, and update frame information. */ skb_pull(entry->skb, entry->queue->desc_size); skb_trim(entry->skb, rxdesc->size); } /* * Device probe functions. */ static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) { u16 word; u8 *mac; s8 value; rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); /* * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); if (!is_valid_ether_addr(mac)) { random_ether_addr(mac); EEPROM(rt2x00dev, "MAC: %pM\n", mac); } rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, ANTENNA_B); rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, ANTENNA_B); rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0); rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226); rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0); rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0); rt2x00_set_field16(&word, EEPROM_LED_LED_MODE, LED_MODE_DEFAULT); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word); EEPROM(rt2x00dev, "Led: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); } else { value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1); if (value < -10 || value > 10) rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2); if (value < -10 || value > 10) rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word); } else { value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1); if (value < -10 || value > 10) rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2); if (value < -10 || value > 10) rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); } return 0; } static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 value; u16 eeprom; /* * Read EEPROM word for configuration. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); /* * Identify RF chipset. */ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg); rt2x00_set_chip(rt2x00dev, RT2571, value, reg); if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) { ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); return -ENODEV; } if (!rt2x00_rf(&rt2x00dev->chip, RF5226) && !rt2x00_rf(&rt2x00dev->chip, RF2528) && !rt2x00_rf(&rt2x00dev->chip, RF5225) && !rt2x00_rf(&rt2x00dev->chip, RF2527)) { ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); return -ENODEV; } /* * Identify default antenna configuration. */ rt2x00dev->default_ant.tx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); rt2x00dev->default_ant.rx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); /* * Read the Frame type. */ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE)) __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags); /* * Detect if this device has an hardware controlled radio. */ #ifdef CONFIG_RT2X00_LIB_RFKILL if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); #endif /* CONFIG_RT2X00_LIB_RFKILL */ /* * Read frequency offset. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); /* * Read external LNA informations. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) { __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); } /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); if (value == LED_MODE_SIGNAL_STRENGTH) rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_GPIO_0)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_GPIO_1)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_GPIO_2)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_GPIO_3)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_GPIO_4)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_RDY_G)); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A, rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_RDY_A)); #endif /* CONFIG_RT2X00_LIB_LEDS */ return 0; } /* * RF value list for RF2528 * Supports: 2.4 GHz */ static const struct rf_channel rf_vals_bg_2528[] = { { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b }, { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f }, { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b }, { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f }, { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b }, { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f }, { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b }, { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f }, { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b }, { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f }, { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b }, { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f }, { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b }, { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 }, }; /* * RF value list for RF5226 * Supports: 2.4 GHz & 5.2 GHz */ static const struct rf_channel rf_vals_5226[] = { { 1, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b }, { 2, 0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f }, { 3, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b }, { 4, 0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f }, { 5, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b }, { 6, 0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f }, { 7, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b }, { 8, 0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f }, { 9, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b }, { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f }, { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b }, { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f }, { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b }, { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 }, { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 }, { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b }, { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 }, { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b }, { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 }, { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 }, { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b }, /* 802.11 HyperLan 2 */ { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 }, { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b }, { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 }, { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b }, { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 }, { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 }, { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b }, { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 }, { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b }, { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 }, /* 802.11 UNII */ { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 }, { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f }, { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 }, { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 }, { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f }, { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 }, /* MMAC(Japan)J52 ch 34,38,42,46 */ { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b }, { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 }, { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b }, { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 }, }; /* * RF value list for RF5225 & RF2527 * Supports: 2.4 GHz & 5.2 GHz */ static const struct rf_channel rf_vals_5225_2527[] = { { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 }, { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 }, { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b }, { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 }, { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b }, { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 }, { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 }, { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b }, /* 802.11 HyperLan 2 */ { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 }, { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b }, { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 }, { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b }, { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 }, { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 }, { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b }, { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 }, { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b }, { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 }, /* 802.11 UNII */ { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 }, { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f }, { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 }, { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 }, { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f }, { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 }, /* MMAC(Japan)J52 ch 34,38,42,46 */ { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b }, { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 }, { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b }, { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 }, }; static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; char *tx_power; unsigned int i; /* * Initialize all hw fields. */ rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM; rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); /* * Initialize hw_mode information. */ spec->supported_bands = SUPPORT_BAND_2GHZ; spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; if (rt2x00_rf(&rt2x00dev->chip, RF2528)) { spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528); spec->channels = rf_vals_bg_2528; } else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals_5226); spec->channels = rf_vals_5226; } else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) { spec->num_channels = 14; spec->channels = rf_vals_5225_2527; } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527); spec->channels = rf_vals_5225_2527; } /* * Create channel information array */ info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; spec->channels_info = info; tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); for (i = 0; i < 14; i++) info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]); if (spec->num_channels > 14) { tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); for (i = 14; i < spec->num_channels; i++) info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]); } return 0; } static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; /* * Allocate eeprom data. */ retval = rt73usb_validate_eeprom(rt2x00dev); if (retval) return retval; retval = rt73usb_init_eeprom(rt2x00dev); if (retval) return retval; /* * Initialize hw specifications. */ retval = rt73usb_probe_hw_mode(rt2x00dev); if (retval) return retval; /* * This device requires firmware. */ __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags); if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); /* * Set the rssi offset. */ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; return 0; } /* * IEEE80211 stack callback functions. */ static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; struct rt2x00_field32 field; int retval; u32 reg; /* * First pass the configuration through rt2x00lib, that will * update the queue settings and validate the input. After that * we are free to update the registers based on the value * in the queue parameter. */ retval = rt2x00mac_conf_tx(hw, queue_idx, params); if (retval) return retval; queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); /* Update WMM TXOP register */ if (queue_idx < 2) { field.bit_offset = queue_idx * 16; field.bit_mask = 0xffff << field.bit_offset; rt2x00usb_register_read(rt2x00dev, AC_TXOP_CSR0, &reg); rt2x00_set_field32(&reg, field, queue->txop); rt2x00usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg); } else if (queue_idx < 4) { field.bit_offset = (queue_idx - 2) * 16; field.bit_mask = 0xffff << field.bit_offset; rt2x00usb_register_read(rt2x00dev, AC_TXOP_CSR1, &reg); rt2x00_set_field32(&reg, field, queue->txop); rt2x00usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg); } /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg); rt2x00_set_field32(&reg, field, queue->aifs); rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg); rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg); rt2x00_set_field32(&reg, field, queue->cw_min); rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg); rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg); rt2x00_set_field32(&reg, field, queue->cw_max); rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg); return 0; } #if 0 /* * Mac80211 demands get_tsf must be atomic. * This is not possible for rt73usb since all register access * functions require sleeping. Untill mac80211 no longer needs * get_tsf to be atomic, this function should be disabled. */ static u64 rt73usb_get_tsf(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg); tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg); tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); return tsf; } #else #define rt73usb_get_tsf NULL #endif static const struct ieee80211_ops rt73usb_mac80211_ops = { .tx = rt2x00mac_tx, .start = rt2x00mac_start, .stop = rt2x00mac_stop,