diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-main.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-main.c | 166 |
1 files changed, 133 insertions, 33 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index 505bc12a303..602b71a92d3 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -46,6 +46,10 @@ static char *def_vram; static int def_vrfb; static int def_rotate; static int def_mirror; +static bool auto_update; +static unsigned int auto_update_freq; +module_param(auto_update, bool, 0); +module_param(auto_update_freq, uint, 0644); #ifdef DEBUG unsigned int omapfb_debug; @@ -1242,6 +1246,7 @@ static int omapfb_blank(int blank, struct fb_info *fbi) struct omapfb_info *ofbi = FB2OFB(fbi); struct omapfb2_device *fbdev = ofbi->fbdev; struct omap_dss_device *display = fb2display(fbi); + struct omapfb_display_data *d; int r = 0; if (!display) @@ -1249,6 +1254,8 @@ static int omapfb_blank(int blank, struct fb_info *fbi) omapfb_lock(fbdev); + d = get_display_data(fbdev, display); + switch (blank) { case FB_BLANK_UNBLANK: if (display->state != OMAP_DSS_DISPLAY_SUSPENDED) @@ -1257,6 +1264,11 @@ static int omapfb_blank(int blank, struct fb_info *fbi) if (display->driver->resume) r = display->driver->resume(display); + if ((display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) && + d->update_mode == OMAPFB_AUTO_UPDATE && + !d->auto_update_work_enabled) + omapfb_start_auto_update(fbdev, display); + break; case FB_BLANK_NORMAL: @@ -1268,6 +1280,9 @@ static int omapfb_blank(int blank, struct fb_info *fbi) if (display->state != OMAP_DSS_DISPLAY_ACTIVE) goto exit; + if (d->auto_update_work_enabled) + omapfb_stop_auto_update(fbdev, display); + if (display->driver->suspend) r = display->driver->suspend(display); @@ -1724,6 +1739,78 @@ err: return r; } +static void omapfb_auto_update_work(struct work_struct *work) +{ + struct omap_dss_device *dssdev; + struct omap_dss_driver *dssdrv; + struct omapfb_display_data *d; + u16 w, h; + unsigned int freq; + struct omapfb2_device *fbdev; + + d = container_of(work, struct omapfb_display_data, + auto_update_work.work); + + dssdev = d->dssdev; + dssdrv = dssdev->driver; + fbdev = d->fbdev; + + if (!dssdrv || !dssdrv->update) + return; + + if (dssdrv->sync) + dssdrv->sync(dssdev); + + dssdrv->get_resolution(dssdev, &w, &h); + dssdrv->update(dssdev, 0, 0, w, h); + + freq = auto_update_freq; + if (freq == 0) + freq = 20; + queue_delayed_work(fbdev->auto_update_wq, + &d->auto_update_work, HZ / freq); +} + +void omapfb_start_auto_update(struct omapfb2_device *fbdev, + struct omap_dss_device *display) +{ + struct omapfb_display_data *d; + + if (fbdev->auto_update_wq == NULL) { + struct workqueue_struct *wq; + + wq = create_singlethread_workqueue("omapfb_auto_update"); + + if (wq == NULL) { + dev_err(fbdev->dev, "Failed to create workqueue for " + "auto-update\n"); + return; + } + + fbdev->auto_update_wq = wq; + } + + d = get_display_data(fbdev, display); + + INIT_DELAYED_WORK(&d->auto_update_work, omapfb_auto_update_work); + + d->auto_update_work_enabled = true; + + omapfb_auto_update_work(&d->auto_update_work.work); +} + +void omapfb_stop_auto_update(struct omapfb2_device *fbdev, + struct omap_dss_device *display) +{ + struct omapfb_display_data *d; + + d = get_display_data(fbdev, display); + + cancel_delayed_work_sync(&d->auto_update_work); + + d->auto_update_work_enabled = false; +} + /* initialize fb_info, var, fix to something sane based on the display */ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi) { @@ -1858,10 +1945,21 @@ static void omapfb_free_resources(struct omapfb2_device *fbdev) } for (i = 0; i < fbdev->num_displays; i++) { - if (fbdev->displays[i]->state != OMAP_DSS_DISPLAY_DISABLED) - fbdev->displays[i]->driver->disable(fbdev->displays[i]); + struct omap_dss_device *dssdev = fbdev->displays[i].dssdev; + + if (fbdev->displays[i].auto_update_work_enabled) + omapfb_stop_auto_update(fbdev, dssdev); + + if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) + dssdev->driver->disable(dssdev); + + omap_dss_put_device(dssdev); + } - omap_dss_put_device(fbdev->displays[i]); + if (fbdev->auto_update_wq != NULL) { + flush_workqueue(fbdev->auto_update_wq); + destroy_workqueue(fbdev->auto_update_wq); + fbdev->auto_update_wq = NULL; } dev_set_drvdata(fbdev->dev, NULL); @@ -2084,14 +2182,14 @@ static int omapfb_set_def_mode(struct omapfb2_device *fbdev, int r; u8 bpp; struct omap_video_timings timings, temp_timings; + struct omapfb_display_data *d; r = omapfb_mode_to_timings(mode_str, &timings, &bpp); if (r) return r; - fbdev->bpp_overrides[fbdev->num_bpp_overrides].dssdev = display; - fbdev->bpp_overrides[fbdev->num_bpp_overrides].bpp = bpp; - ++fbdev->num_bpp_overrides; + d = get_display_data(fbdev, display); + d->bpp_override = bpp; if (display->driver->check_timings) { r = display->driver->check_timings(display, &timings); @@ -2117,14 +2215,14 @@ static int omapfb_set_def_mode(struct omapfb2_device *fbdev, static int omapfb_get_recommended_bpp(struct omapfb2_device *fbdev, struct omap_dss_device *dssdev) { - int i; + struct omapfb_display_data *d; BUG_ON(dssdev->driver->get_recommended_bpp == NULL); - for (i = 0; i < fbdev->num_bpp_overrides; ++i) { - if (dssdev == fbdev->bpp_overrides[i].dssdev) - return fbdev->bpp_overrides[i].bpp; - } + d = get_display_data(fbdev, dssdev); + + if (d->bpp_override != 0) + return d->bpp_override; return dssdev->driver->get_recommended_bpp(dssdev); } @@ -2156,9 +2254,9 @@ static int omapfb_parse_def_modes(struct omapfb2_device *fbdev) display = NULL; for (i = 0; i < fbdev->num_displays; ++i) { - if (strcmp(fbdev->displays[i]->name, + if (strcmp(fbdev->displays[i].dssdev->name, display_str) == 0) { - display = fbdev->displays[i]; + display = fbdev->displays[i].dssdev; break; } } @@ -2182,6 +2280,7 @@ static int omapfb_init_display(struct omapfb2_device *fbdev, struct omap_dss_device *dssdev) { struct omap_dss_driver *dssdrv = dssdev->driver; + struct omapfb_display_data *d; int r; r = dssdrv->enable(dssdev); @@ -2191,8 +2290,20 @@ static int omapfb_init_display(struct omapfb2_device *fbdev, return r; } + d = get_display_data(fbdev, dssdev); + + d->fbdev = fbdev; + if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { u16 w, h; + + if (auto_update) { + omapfb_start_auto_update(fbdev, dssdev); + d->update_mode = OMAPFB_AUTO_UPDATE; + } else { + d->update_mode = OMAPFB_MANUAL_UPDATE; + } + if (dssdrv->enable_te) { r = dssdrv->enable_te(dssdev, 1); if (r) { @@ -2201,16 +2312,6 @@ static int omapfb_init_display(struct omapfb2_device *fbdev, } } - if (dssdrv->set_update_mode) { - r = dssdrv->set_update_mode(dssdev, - OMAP_DSS_UPDATE_MANUAL); - if (r) { - dev_err(fbdev->dev, - "Failed to set update mode\n"); - return r; - } - } - dssdrv->get_resolution(dssdev, &w, &h); r = dssdrv->update(dssdev, 0, 0, w, h); if (r) { @@ -2219,15 +2320,7 @@ static int omapfb_init_display(struct omapfb2_device *fbdev, return r; } } else { - if (dssdrv->set_update_mode) { - r = dssdrv->set_update_mode(dssdev, - OMAP_DSS_UPDATE_AUTO); - if (r) { - dev_err(fbdev->dev, - "Failed to set update mode\n"); - return r; - } - } + d->update_mode = OMAPFB_AUTO_UPDATE; } return 0; @@ -2275,6 +2368,8 @@ static int omapfb_probe(struct platform_device *pdev) fbdev->num_displays = 0; dssdev = NULL; for_each_dss_dev(dssdev) { + struct omapfb_display_data *d; + omap_dss_get_device(dssdev); if (!dssdev->driver) { @@ -2282,7 +2377,12 @@ static int omapfb_probe(struct platform_device *pdev) r = -ENODEV; } - fbdev->displays[fbdev->num_displays++] = dssdev; + d = &fbdev->displays[fbdev->num_displays++]; + d->dssdev = dssdev; + if (dssdev->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) + d->update_mode = OMAPFB_MANUAL_UPDATE; + else + d->update_mode = OMAPFB_AUTO_UPDATE; } if (r) |