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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
n> sh_mobile_lcdc_priv *priv) { struct sh_mobile_lcdc_chan *ch; struct sh_mobile_lcdc_board_cfg *board_cfg; int k; /* clean up deferred io and ask board code to disable panel */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { ch = &priv->ch[k]; if (!ch->enabled) continue; /* deferred io mode: * flush frame, and wait for frame end interrupt * clean up deferred io and enable clock */ if (ch->info && ch->info->fbdefio) { ch->frame_end = 0; schedule_delayed_work(&ch->info->deferred_work, 0); wait_event(ch->frame_end_wait, ch->frame_end); fb_deferred_io_cleanup(ch->info); ch->info->fbdefio = NULL; sh_mobile_lcdc_clk_on(priv); } board_cfg = &ch->cfg.board_cfg; if (try_module_get(board_cfg->owner) && board_cfg->display_off) { board_cfg->display_off(board_cfg->board_data); module_put(board_cfg->owner); } } /* stop the lcdc */ if (priv->started) { sh_mobile_lcdc_start_stop(priv, 0); priv->started = 0; } /* stop clocks */ for (k = 0; k < ARRAY_SIZE(priv->ch); k++) if (priv->ch[k].enabled) sh_mobile_lcdc_clk_off(priv); } static int sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *ch) { int ifm, miftyp; switch (ch->cfg.interface_type) { case RGB8: ifm = 0; miftyp = 0; break; case RGB9: ifm = 0; miftyp = 4; break; case RGB12A: ifm = 0; miftyp = 5; break; case RGB12B: ifm = 0; miftyp = 6; break; case RGB16: ifm = 0; miftyp = 7; break; case RGB18: ifm = 0; miftyp = 10; break; case RGB24: ifm = 0; miftyp = 11; break; case SYS8A: ifm = 1; miftyp = 0; break; case SYS8B: ifm = 1; miftyp = 1; break; case SYS8C: ifm = 1; miftyp = 2; break; case SYS8D: ifm = 1; miftyp = 3; break; case SYS9: ifm = 1; miftyp = 4; break; case SYS12: ifm = 1; miftyp = 5; break; case SYS16A: ifm = 1; miftyp = 7; break; case SYS16B: ifm = 1; miftyp = 8; break; case SYS16C: ifm = 1; miftyp = 9; break; case SYS18: ifm = 1; miftyp = 10; break; case SYS24: ifm = 1; miftyp = 11; break; default: goto bad; } /* SUBLCD only supports SYS interface */ if (lcdc_chan_is_sublcd(ch)) { if (ifm == 0) goto bad; else ifm = 0; } ch->ldmt1r_value = (ifm << 12) | miftyp; return 0; bad: return -EINVAL; } static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev, int clock_source, struct sh_mobile_lcdc_priv *priv) { char *str; int icksel; switch (clock_source) { case LCDC_CLK_BUS: str = "bus_clk"; icksel = 0; break; case LCDC_CLK_PERIPHERAL: str = "peripheral_clk"; icksel = 1; break; case LCDC_CLK_EXTERNAL: str = NULL; icksel = 2; break; default: return -EINVAL; } priv->lddckr = icksel << 16; if (str) { priv->dot_clk = clk_get(&pdev->dev, str); if (IS_ERR(priv->dot_clk)) { dev_err(&pdev->dev, "cannot get dot clock %s\n", str); return PTR_ERR(priv->dot_clk); } } /* Runtime PM support involves two step for this driver: * 1) Enable Runtime PM * 2) Force Runtime PM Resume since hardware is accessed from probe() */ priv->dev = &pdev->dev; pm_runtime_enable(priv->dev); pm_runtime_resume(priv->dev); return 0; } static int sh_mobile_lcdc_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info) { u32 *palette = info->pseudo_palette; if (regno >= PALETTE_NR) return -EINVAL; /* only FB_VISUAL_TRUECOLOR supported */ red >>= 16 - info->var.red.length; green >>= 16 - info->var.green.length; blue >>= 16 - info->var.blue.length; transp >>= 16 - info->var.transp.length; palette[regno] = (red << info->var.red.offset) | (green << info->var.green.offset) | (blue << info->var.blue.offset) | (transp << info->var.transp.offset); return 0; } static struct fb_fix_screeninfo sh_mobile_lcdc_fix = { .id = "SH Mobile LCDC", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .accel = FB_ACCEL_NONE, .xpanstep = 0, .ypanstep = 1, .ywrapstep = 0, }; static void sh_mobile_lcdc_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { sys_fillrect(info, rect); sh_mobile_lcdc_deferred_io_touch(info); } static void sh_mobile_lcdc_copyarea(struct fb_info *info, const struct fb_copyarea *area) { sys_copyarea(info, area); sh_mobile_lcdc_deferred_io_touch(info); } static void sh_mobile_lcdc_imageblit(struct fb_info *info, const struct fb_image *image) { sys_imageblit(info, image); sh_mobile_lcdc_deferred_io_touch(info); } static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; struct sh_mobile_lcdc_priv *priv = ch->lcdc; unsigned long ldrcntr; unsigned long new_pan_offset; new_pan_offset = (var->yoffset * info->fix.line_length) + (var->xoffset * (info->var.bits_per_pixel / 8)); if (new_pan_offset == ch->pan_offset) return 0; /* No change, do nothing */ ldrcntr = lcdc_read(priv, _LDRCNTR); /* Set the source address for the next refresh */ lcdc_write_chan_mirror(ch, LDSA1R, ch->dma_handle + new_pan_offset); if (lcdc_chan_is_sublcd(ch)) lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_SRS); else lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_MRS); ch->pan_offset = new_pan_offset; sh_mobile_lcdc_deferred_io_touch(info); return 0; } static int sh_mobile_wait_for_vsync(struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; unsigned long ldintr; int ret; /* Enable VSync End interrupt */ ldintr = lcdc_read(ch->lcdc, _LDINTR); ldintr |= LDINTR_VEE; lcdc_write(ch->lcdc, _LDINTR, ldintr); ret = wait_for_completion_interruptible_timeout(&ch->vsync_completion, msecs_to_jiffies(100)); if (!ret) return -ETIMEDOUT; return 0; } static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { int retval; switch (cmd) { case FBIO_WAITFORVSYNC: retval = sh_mobile_wait_for_vsync(info); break; default: retval = -ENOIOCTLCMD; break; } return retval; } static void sh_mobile_fb_reconfig(struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; struct fb_videomode mode1, mode2; struct fb_event event; int evnt = FB_EVENT_MODE_CHANGE_ALL; if (ch->use_count > 1 || (ch->use_count == 1 && !info->fbcon_par)) /* More framebuffer users are active */ return; fb_var_to_videomode(&mode1, &ch->display_var); fb_var_to_videomode(&mode2, &info->var); if (fb_mode_is_equal(&mode1, &mode2)) return; /* Display has been re-plugged, framebuffer is free now, reconfigure */ if (fb_set_var(info, &ch->display_var) < 0) /* Couldn't reconfigure, hopefully, can continue as before */ return; info->fix.line_length = mode1.xres * (ch->cfg.bpp / 8); /* * fb_set_var() calls the notifier change internally, only if * FBINFO_MISC_USEREVENT flag is set. Since we do not want to fake a * user event, we have to call the chain ourselves. */ event.info = info; event.data = &mode1; fb_notifier_call_chain(evnt, &event); } /* * Locking: both .fb_release() and .fb_open() are called with info->lock held if * user == 1, or with console sem held, if user == 0. */ static int sh_mobile_release(struct fb_info *info, int user) { struct sh_mobile_lcdc_chan *ch = info->par; mutex_lock(&ch->open_lock); dev_dbg(info->dev, "%s(): %d users\n", __func__, ch->use_count); ch->use_count--; /* Nothing to reconfigure, when called from fbcon */ if (user) { acquire_console_sem(); sh_mobile_fb_reconfig(info); release_console_sem(); } mutex_unlock(&ch->open_lock); return 0; } static int sh_mobile_open(struct fb_info *info, int user) { struct sh_mobile_lcdc_chan *ch = info->par; mutex_lock(&ch->open_lock); ch->use_count++; dev_dbg(info->dev, "%s(): %d users\n", __func__, ch->use_count); mutex_unlock(&ch->open_lock); return 0; } static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct sh_mobile_lcdc_chan *ch = info->par; if (var->xres < 160 || var->xres > 1920 || var->yres < 120 || var->yres > 1080 || var->left_margin < 32 || var->left_margin > 320 || var->right_margin < 12 || var->right_margin > 240 || var->upper_margin < 12 || var->upper_margin > 120 || var->lower_margin < 1 || var->lower_margin > 64 || var->hsync_len < 32 || var->hsync_len > 240 || var->vsync_len < 2 || var->vsync_len > 64 || var->pixclock < 6000 || var->pixclock > 40000 || var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) { dev_warn(info->dev, "Invalid info: %u %u %u %u %u %u %u %u %u!\n", var->xres, var->yres, var->left_margin, var->right_margin, var->upper_margin, var->lower_margin, var->hsync_len, var->vsync_len, var->pixclock); return -EINVAL; } return 0; } static struct fb_ops sh_mobile_lcdc_ops = { .owner = THIS_MODULE, .fb_setcolreg = sh_mobile_lcdc_setcolreg, .fb_read = fb_sys_read, .fb_write = fb_sys_write, .fb_fillrect = sh_mobile_lcdc_fillrect, .fb_copyarea = sh_mobile_lcdc_copyarea, .fb_imageblit = sh_mobile_lcdc_imageblit, .fb_pan_display = sh_mobile_fb_pan_display, .fb_ioctl = sh_mobile_ioctl, .fb_open = sh_mobile_open, .fb_release = sh_mobile_release, .fb_check_var = sh_mobile_check_var, }; static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp) { switch (bpp) { case 16: /* PKF[4:0] = 00011 - RGB 565 */ var->red.offset = 11; var->red.length = 5; var->green.offset = 5; var->green.length = 6; var->blue.offset = 0; var->blue.length = 5; var->transp.offset = 0; var->transp.length = 0; break; case 32: /* PKF[4:0] = 00000 - RGB 888 * sh7722 pdf says 00RRGGBB but reality is GGBB00RR * this may be because LDDDSR has word swap enabled.. */ var->red.offset = 0; var->red.length = 8; var->green.offset = 24; var->green.length = 8; var->blue.offset = 16; var->blue.length = 8; var->transp.offset = 0; var->transp.length = 0; break; default: return -EINVAL; } var->bits_per_pixel = bpp; var->red.msb_right = 0; var->green.msb_right = 0; var->blue.msb_right = 0; var->transp.msb_right = 0; return 0; } static int sh_mobile_lcdc_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); sh_mobile_lcdc_stop(platform_get_drvdata(pdev)); return 0; } static int sh_mobile_lcdc_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); return sh_mobile_lcdc_start(platform_get_drvdata(pdev)); } static int sh_mobile_lcdc_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct sh_mobile_lcdc_priv *p = platform_get_drvdata(pdev); struct sh_mobile_lcdc_chan *ch; int k, n; /* save per-channel registers */ for (k = 0; k < ARRAY_SIZE(p->ch); k++) { ch = &p->ch[k]; if (!ch->enabled) continue; for (n = 0; n < NR_CH_REGS; n++) ch->saved_ch_regs[n] = lcdc_read_chan(ch, n); } /* save shared registers */ for (n = 0; n < NR_SHARED_REGS; n++) p->saved_shared_regs[n] = lcdc_read(p, lcdc_shared_regs[n]); /* turn off LCDC hardware */ lcdc_write(p, _LDCNT1R, 0); return 0; } static int sh_mobile_lcdc_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct sh_mobile_lcdc_priv *p = platform_get_drvdata(pdev); struct sh_mobile_lcdc_chan *ch; int k, n; /* restore per-channel registers */ for (k = 0; k < ARRAY_SIZE(p->ch); k++) { ch = &p->ch[k]; if (!ch->enabled) continue; for (n = 0; n < NR_CH_REGS; n++) lcdc_write_chan(ch, n, ch->saved_ch_regs[n]); } /* restore shared registers */ for (n = 0; n < NR_SHARED_REGS; n++) lcdc_write(p, lcdc_shared_regs[n], p->saved_shared_regs[n]); return 0; } static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = { .suspend = sh_mobile_lcdc_suspend, .resume = sh_mobile_lcdc_resume, .runtime_suspend = sh_mobile_lcdc_runtime_suspend, .runtime_resume = sh_mobile_lcdc_runtime_resume, }; /* locking: called with info->lock held */ static int sh_mobile_lcdc_notify(struct notifier_block *nb, unsigned long action, void *data) { struct fb_event *event = data; struct fb_info *info = event->info; struct sh_mobile_lcdc_chan *ch = info->par; struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg; int ret; if (&ch->lcdc->notifier != nb) return NOTIFY_DONE; dev_dbg(info->dev, "%s(): action = %lu, data = %p\n", __func__, action, event->data); switch(action) { case FB_EVENT_SUSPEND: if (try_module_get(board_cfg->owner) && board_cfg->display_off) { board_cfg->display_off(board_cfg->board_data); module_put(board_cfg->owner); } pm_runtime_put(info->device); sh_mobile_lcdc_stop(ch->lcdc); break; case FB_EVENT_RESUME: mutex_lock(&ch->open_lock); sh_mobile_fb_reconfig(info); mutex_unlock(&ch->open_lock); /* HDMI must be enabled before LCDC configuration */ if (try_module_get(board_cfg->owner) && board_cfg->display_on) { board_cfg->display_on(board_cfg->board_data, info); module_put(board_cfg->owner); } ret = sh_mobile_lcdc_start(ch->lcdc); if (!ret) pm_runtime_get_sync(info->device); } return NOTIFY_OK; } static int sh_mobile_lcdc_remove(struct platform_device *pdev); static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev) { struct fb_info *info; struct sh_mobile_lcdc_priv *priv; struct sh_mobile_lcdc_info *pdata = pdev->dev.platform_data; struct resource *res; int error; void *buf; int i, j; if (!pdata) { dev_err(&pdev->dev, "no platform data defined\n"); return -EINVAL; } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); i = platform_get_irq(pdev, 0); if (!res || i < 0) { dev_err(&pdev->dev, "cannot get platform resources\n"); return -ENOENT; } priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) { dev_err(&pdev->dev, "cannot allocate device data\n"); return -ENOMEM; } platform_set_drvdata(pdev, priv); error = request_irq(i, sh_mobile_lcdc_irq, IRQF_DISABLED, dev_name(&pdev->dev), priv); if (error) { dev_err(&pdev->dev, "unable to request irq\n"); goto err1; } priv->irq = i; atomic_set(&priv->hw_usecnt, -1); j = 0; for (i = 0; i < ARRAY_SIZE(pdata->ch); i++) { struct sh_mobile_lcdc_chan *ch = priv->ch + j; ch->lcdc = priv; memcpy(&ch->cfg, &pdata->ch[i], sizeof(pdata->ch[i])); error = sh_mobile_lcdc_check_interface(ch); if (error) { dev_err(&pdev->dev, "unsupported interface type\n"); goto err1; } init_waitqueue_head(&ch->frame_end_wait); init_completion(&ch->vsync_completion); ch->pan_offset = 0; switch (pdata->ch[i].chan) { case LCDC_CHAN_MAINLCD: ch->enabled = 1 << 1; ch->reg_offs = lcdc_offs_mainlcd; j++; break; case LCDC_CHAN_SUBLCD: ch->enabled = 1 << 2; ch->reg_offs = lcdc_offs_sublcd; j++; break; } } if (!j) { dev_err(&pdev->dev, "no channels defined\n"); error = -EINVAL; goto err1; } priv->base = ioremap_nocache(res->start, resource_size(res)); if (!priv->base) goto err1; error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv); if (error) { dev_err(&pdev->dev, "unable to setup clocks\n"); goto err1; } for (i = 0; i < j; i++) { struct fb_var_screeninfo *var; const struct fb_videomode *lcd_cfg, *max_cfg = NULL; struct sh_mobile_lcdc_chan *ch = priv->ch + i; struct sh_mobile_lcdc_chan_cfg *cfg = &ch->cfg; const struct fb_videomode *mode = cfg->lcd_cfg; unsigned long max_size = 0; int k; int num_cfg; ch->info = framebuffer_alloc(0, &pdev->dev); if (!ch->info) { dev_err(&pdev->dev, "unable to allocate fb_info\n"); error = -ENOMEM; break; } info = ch->info; var = &info->var; info->fbops = &sh_mobile_lcdc_ops; info->par = ch; mutex_init(&ch->open_lock); for (k = 0, lcd_cfg = mode; k < cfg->num_cfg && lcd_cfg; k++, lcd_cfg++) { unsigned long size = lcd_cfg->yres * lcd_cfg->xres; if (size > max_size) { max_cfg = lcd_cfg; max_size = size; } } if (!mode) max_size = DEFAULT_XRES * DEFAULT_YRES; else if (max_cfg) dev_dbg(&pdev->dev, "Found largest videomode %ux%u\n", max_cfg->xres, max_cfg->yres); info->fix = sh_mobile_lcdc_fix; info->fix.smem_len = max_size * (cfg->bpp / 8) * 2; if (!mode) { mode = &default_720p; num_cfg = 1; } else { num_cfg = ch->cfg.num_cfg; } fb_videomode_to_modelist(mode, num_cfg, &info->modelist); fb_videomode_to_var(var, mode); /* Default Y virtual resolution is 2x panel size */ var->yres_virtual = var->yres * 2; var->activate = FB_ACTIVATE_NOW; error = sh_mobile_lcdc_set_bpp(var, cfg->bpp); if (error) break; buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len, &ch->dma_handle, GFP_KERNEL); if (!buf) { dev_err(&pdev->dev, "unable to allocate buffer\n"); error = -ENOMEM; break; } info->pseudo_palette = &ch->pseudo_palette; info->flags = FBINFO_FLAG_DEFAULT; error = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0); if (error < 0) { dev_err(&pdev->dev, "unable to allocate cmap\n"); dma_free_coherent(&pdev->dev, info->fix.smem_len, buf, ch->dma_handle); break; } info->fix.smem_start = ch->dma_handle; info->fix.line_length = var->xres * (cfg->bpp / 8); info->screen_base = buf; info->device = &pdev->dev; ch->display_var = *var; }