diff options
Diffstat (limited to 'drivers/gpu/drm/sti')
26 files changed, 1311 insertions, 1619 deletions
diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile index f0f1e4ee2d92..e27490b492a5 100644 --- a/drivers/gpu/drm/sti/Makefile +++ b/drivers/gpu/drm/sti/Makefile @@ -1,12 +1,11 @@ sticompositor-y := \ - sti_layer.o \ sti_mixer.o \ sti_gdp.o \ sti_vid.o \ sti_cursor.o \ sti_compositor.o \ - sti_drm_crtc.o \ - sti_drm_plane.o + sti_crtc.o \ + sti_plane.o stihdmi-y := sti_hdmi.o \ sti_hdmi_tx3g0c55phy.o \ @@ -24,4 +23,4 @@ obj-$(CONFIG_DRM_STI) = \ sticompositor.o \ sti_hqvdp.o \ stidvo.o \ - sti_drm_drv.o + sti_drv.o diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c index 43215d3020fb..c652627b1bca 100644 --- a/drivers/gpu/drm/sti/sti_compositor.c +++ b/drivers/gpu/drm/sti/sti_compositor.c @@ -14,10 +14,12 @@ #include <drm/drmP.h> #include "sti_compositor.h" -#include "sti_drm_crtc.h" -#include "sti_drm_drv.h" -#include "sti_drm_plane.h" +#include "sti_crtc.h" +#include "sti_cursor.h" +#include "sti_drv.h" #include "sti_gdp.h" +#include "sti_plane.h" +#include "sti_vid.h" #include "sti_vtg.h" /* @@ -31,7 +33,7 @@ struct sti_compositor_data stih407_compositor_data = { {STI_GPD_SUBDEV, (int)STI_GDP_1, 0x200}, {STI_GPD_SUBDEV, (int)STI_GDP_2, 0x300}, {STI_GPD_SUBDEV, (int)STI_GDP_3, 0x400}, - {STI_VID_SUBDEV, (int)STI_VID_0, 0x700}, + {STI_VID_SUBDEV, (int)STI_HQVDP_0, 0x700}, {STI_MIXER_MAIN_SUBDEV, STI_MIXER_MAIN, 0xC00}, {STI_MIXER_AUX_SUBDEV, STI_MIXER_AUX, 0xD00}, }, @@ -53,14 +55,29 @@ struct sti_compositor_data stih416_compositor_data = { }, }; -static int sti_compositor_init_subdev(struct sti_compositor *compo, - struct sti_compositor_subdev_descriptor *desc, - unsigned int array_size) +static int sti_compositor_bind(struct device *dev, + struct device *master, + void *data) { - unsigned int i, mixer_id = 0, layer_id = 0; + struct sti_compositor *compo = dev_get_drvdata(dev); + struct drm_device *drm_dev = data; + unsigned int i, mixer_id = 0, vid_id = 0, crtc_id = 0; + struct sti_private *dev_priv = drm_dev->dev_private; + struct drm_plane *cursor = NULL; + struct drm_plane *primary = NULL; + struct sti_compositor_subdev_descriptor *desc = compo->data.subdev_desc; + unsigned int array_size = compo->data.nb_subdev; + + dev_priv->compo = compo; + /* Register mixer subdev and video subdev first */ for (i = 0; i < array_size; i++) { switch (desc[i].type) { + case STI_VID_SUBDEV: + compo->vid[vid_id++] = + sti_vid_create(compo->dev, desc[i].id, + compo->regs + desc[i].offset); + break; case STI_MIXER_MAIN_SUBDEV: case STI_MIXER_AUX_SUBDEV: compo->mixer[mixer_id++] = @@ -68,83 +85,68 @@ static int sti_compositor_init_subdev(struct sti_compositor *compo, compo->regs + desc[i].offset); break; case STI_GPD_SUBDEV: - case STI_VID_SUBDEV: case STI_CURSOR_SUBDEV: - compo->layer[layer_id++] = - sti_layer_create(compo->dev, desc[i].id, - compo->regs + desc[i].offset); + /* Nothing to do, wait for the second round */ break; default: DRM_ERROR("Unknow subdev compoment type\n"); return 1; } - } - compo->nb_mixers = mixer_id; - compo->nb_layers = layer_id; - - return 0; -} - -static int sti_compositor_bind(struct device *dev, struct device *master, - void *data) -{ - struct sti_compositor *compo = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - unsigned int i, crtc = 0, plane = 0; - struct sti_drm_private *dev_priv = drm_dev->dev_private; - struct drm_plane *cursor = NULL; - struct drm_plane *primary = NULL; - dev_priv->compo = compo; - - for (i = 0; i < compo->nb_layers; i++) { - if (compo->layer[i]) { - enum sti_layer_desc desc = compo->layer[i]->desc; - enum sti_layer_type type = desc & STI_LAYER_TYPE_MASK; - enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY; + /* Register the other subdevs, create crtc and planes */ + for (i = 0; i < array_size; i++) { + enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY; - if (crtc < compo->nb_mixers) - plane_type = DRM_PLANE_TYPE_PRIMARY; + if (crtc_id < mixer_id) + plane_type = DRM_PLANE_TYPE_PRIMARY; - switch (type) { - case STI_CUR: - cursor = sti_drm_plane_init(drm_dev, - compo->layer[i], - 1, DRM_PLANE_TYPE_CURSOR); - break; - case STI_GDP: - case STI_VID: - primary = sti_drm_plane_init(drm_dev, - compo->layer[i], - (1 << compo->nb_mixers) - 1, - plane_type); - plane++; + switch (desc[i].type) { + case STI_MIXER_MAIN_SUBDEV: + case STI_MIXER_AUX_SUBDEV: + case STI_VID_SUBDEV: + /* Nothing to do, already done at the first round */ + break; + case STI_CURSOR_SUBDEV: + cursor = sti_cursor_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + 1); + if (!cursor) { + DRM_ERROR("Can't create CURSOR plane\n"); break; - case STI_BCK: - case STI_VDP: + } + break; + case STI_GPD_SUBDEV: + primary = sti_gdp_create(drm_dev, compo->dev, + desc[i].id, + compo->regs + desc[i].offset, + (1 << mixer_id) - 1, + plane_type); + if (!primary) { + DRM_ERROR("Can't create GDP plane\n"); break; } + break; + default: + DRM_ERROR("Unknown subdev compoment type\n"); + return 1; + } - /* The first planes are reserved for primary planes*/ - if (crtc < compo->nb_mixers && primary) { - sti_drm_crtc_init(drm_dev, compo->mixer[crtc], - primary, cursor); - crtc++; - cursor = NULL; - primary = NULL; - } + /* The first planes are reserved for primary planes*/ + if (crtc_id < mixer_id && primary) { + sti_crtc_init(drm_dev, compo->mixer[crtc_id], + primary, cursor); + crtc_id++; + cursor = NULL; + primary = NULL; } } - drm_vblank_init(drm_dev, crtc); + drm_vblank_init(drm_dev, crtc_id); /* Allow usage of vblank without having to call drm_irq_install */ drm_dev->irq_enabled = 1; - DRM_DEBUG_DRIVER("Initialized %d DRM CRTC(s) and %d DRM plane(s)\n", - crtc, plane); - DRM_DEBUG_DRIVER("DRM plane(s) for VID/VDP not created yet\n"); - return 0; } @@ -179,7 +181,6 @@ static int sti_compositor_probe(struct platform_device *pdev) struct device_node *vtg_np; struct sti_compositor *compo; struct resource *res; - int err; compo = devm_kzalloc(dev, sizeof(*compo), GFP_KERNEL); if (!compo) { @@ -187,7 +188,7 @@ static int sti_compositor_probe(struct platform_device *pdev) return -ENOMEM; } compo->dev = dev; - compo->vtg_vblank_nb.notifier_call = sti_drm_crtc_vblank_cb; + compo->vtg_vblank_nb.notifier_call = sti_crtc_vblank_cb; /* populate data structure depending on compatibility */ BUG_ON(!of_match_node(compositor_of_match, np)->data); @@ -251,12 +252,6 @@ static int sti_compositor_probe(struct platform_device *pdev) if (vtg_np) compo->vtg_aux = of_vtg_find(vtg_np); - /* Initialize compositor subdevices */ - err = sti_compositor_init_subdev(compo, compo->data.subdev_desc, - compo->data.nb_subdev); - if (err) - return err; - platform_set_drvdata(pdev, compo); return component_add(&pdev->dev, &sti_compositor_ops); diff --git a/drivers/gpu/drm/sti/sti_compositor.h b/drivers/gpu/drm/sti/sti_compositor.h index 019eb44c62cc..1a4a73dab11e 100644 --- a/drivers/gpu/drm/sti/sti_compositor.h +++ b/drivers/gpu/drm/sti/sti_compositor.h @@ -12,13 +12,13 @@ #include <linux/clk.h> #include <linux/kernel.h> -#include "sti_layer.h" #include "sti_mixer.h" +#include "sti_plane.h" #define WAIT_NEXT_VSYNC_MS 50 /*ms*/ -#define STI_MAX_LAYER 8 #define STI_MAX_MIXER 2 +#define STI_MAX_VID 1 enum sti_compositor_subdev_type { STI_MIXER_MAIN_SUBDEV, @@ -59,11 +59,9 @@ struct sti_compositor_data { * @rst_main: reset control of the main path * @rst_aux: reset control of the aux path * @mixer: array of mixers + * @vid: array of vids * @vtg_main: vtg for main data path * @vtg_aux: vtg for auxillary data path - * @layer: array of layers - * @nb_mixers: number of mixers for this compositor - * @nb_layers: number of layers (GDP,VID,...) for this compositor * @vtg_vblank_nb: callback for VTG VSYNC notification */ struct sti_compositor { @@ -77,11 +75,9 @@ struct sti_compositor { struct reset_control *rst_main; struct reset_control *rst_aux; struct sti_mixer *mixer[STI_MAX_MIXER]; + struct sti_vid *vid[STI_MAX_VID]; struct sti_vtg *vtg_main; struct sti_vtg *vtg_aux; - struct sti_layer *layer[STI_MAX_LAYER]; - int nb_mixers; - int nb_layers; struct notifier_block vtg_vblank_nb; }; diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index 6b641c5a2ec7..018ffc970e96 100644 --- a/drivers/gpu/drm/sti/sti_drm_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -15,22 +15,20 @@ #include <drm/drm_plane_helper.h> #include "sti_compositor.h" -#include "sti_drm_drv.h" -#include "sti_drm_crtc.h" +#include "sti_crtc.h" +#include "sti_drv.h" +#include "sti_vid.h" #include "sti_vtg.h" -static void sti_drm_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - DRM_DEBUG_KMS("\n"); -} - -static void sti_drm_crtc_prepare(struct drm_crtc *crtc) +static void sti_crtc_enable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev); - mixer->enabled = true; + DRM_DEBUG_DRIVER("\n"); + + mixer->status = STI_MIXER_READY; /* Prepare and enable the compo IP clock */ if (mixer->id == STI_MIXER_MAIN) { @@ -41,45 +39,28 @@ static void sti_drm_crtc_prepare(struct drm_crtc *crtc) DRM_INFO("Failed to prepare/enable compo_aux clk\n"); } - sti_mixer_clear_all_layers(mixer); + drm_crtc_vblank_on(crtc); } -static void sti_drm_crtc_commit(struct drm_crtc *crtc) +static void sti_crtc_disabling(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); - struct device *dev = mixer->dev; - struct sti_compositor *compo = dev_get_drvdata(dev); - struct sti_layer *layer; - - if ((!mixer || !compo)) { - DRM_ERROR("Can not find mixer or compositor)\n"); - return; - } - /* get GDP which is reserved to the CRTC FB */ - layer = to_sti_layer(crtc->primary); - if (layer) - sti_layer_commit(layer); - else - DRM_ERROR("Can not find CRTC dedicated plane (GDP0)\n"); - - /* Enable layer on mixer */ - if (sti_mixer_set_layer_status(mixer, layer, true)) - DRM_ERROR("Can not enable layer at mixer\n"); + DRM_DEBUG_DRIVER("\n"); - drm_crtc_vblank_on(crtc); + mixer->status = STI_MIXER_DISABLING; } -static bool sti_drm_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) +static bool sti_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { /* accept the provided drm_display_mode, do not fix it up */ return true; } static int -sti_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) +sti_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; @@ -122,22 +103,19 @@ sti_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode) res = sti_mixer_active_video_area(mixer, &crtc->mode); if (res) { - DRM_ERROR("Can not set active video area\n"); + DRM_ERROR("Can't set active video area\n"); return -EINVAL; } return res; } -static void sti_drm_crtc_disable(struct drm_crtc *crtc) +static void sti_crtc_disable(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); struct device *dev = mixer->dev; struct sti_compositor *compo = dev_get_drvdata(dev); - if (!mixer->enabled) - return; - DRM_DEBUG_KMS("CRTC:%d (%s)\n", crtc->base.id, sti_mixer_to_str(mixer)); /* Disable Background */ @@ -154,17 +132,18 @@ static void sti_drm_crtc_disable(struct drm_crtc *crtc) clk_disable_unprepare(compo->clk_compo_aux); } - mixer->enabled = false; + mixer->status = STI_MIXER_DISABLED; } static void -sti_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) +sti_crtc_mode_set_nofb(struct drm_crtc *crtc) { - sti_drm_crtc_prepare(crtc); - sti_drm_crtc_mode_set(crtc, &crtc->state->adjusted_mode); + sti_crtc_enable(crtc); + sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode); } -static void sti_drm_atomic_begin(struct drm_crtc *crtc) +static void sti_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct sti_mixer *mixer = to_sti_mixer(crtc); @@ -178,46 +157,109 @@ static void sti_drm_atomic_begin(struct drm_crtc *crtc) } } -static void sti_drm_atomic_flush(struct drm_crtc *crtc) +static void sti_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { + struct drm_device *drm_dev = crtc->dev; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct sti_compositor *compo = dev_get_drvdata(mixer->dev); + struct drm_plane *p; + + DRM_DEBUG_DRIVER("\n"); + + /* perform plane actions */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + switch (plane->status) { + case STI_PLANE_UPDATED: + /* update planes tag as updated */ + DRM_DEBUG_DRIVER("update plane %s\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_depth(mixer, plane)) { + DRM_ERROR("Cannot set plane %s depth\n", + sti_plane_to_str(plane)); + break; + } + + if (sti_mixer_set_plane_status(mixer, plane, true)) { + DRM_ERROR("Cannot enable plane %s at mixer\n", + sti_plane_to_str(plane)); + break; + } + + /* if plane is HQVDP_0 then commit the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_commit(compo->vid[0], p->state); + + plane->status = STI_PLANE_READY; + + break; + case STI_PLANE_DISABLING: + /* disabling sequence for planes tag as disabling */ + DRM_DEBUG_DRIVER("disable plane %s from mixer\n", + sti_plane_to_str(plane)); + + if (sti_mixer_set_plane_status(mixer, plane, false)) { + DRM_ERROR("Cannot disable plane %s at mixer\n", + sti_plane_to_str(plane)); + continue; + } + + if (plane->desc == STI_CURSOR) + /* tag plane status for disabled */ + plane->status = STI_PLANE_DISABLED; + else + /* tag plane status for flushing */ + plane->status = STI_PLANE_FLUSHING; + + /* if plane is HQVDP_0 then disable the vid[0] */ + if (plane->desc == STI_HQVDP_0) + sti_vid_disable(compo->vid[0]); + + break; + default: + /* Other status case are not handled */ + break; + } + } } static struct drm_crtc_helper_funcs sti_crtc_helper_funcs = { - .dpms = sti_drm_crtc_dpms, - .prepare = sti_drm_crtc_prepare, - .commit = sti_drm_crtc_commit, - .mode_fixup = sti_drm_crtc_mode_fixup, + .enable = sti_crtc_enable, + .disable = sti_crtc_disabling, + .mode_fixup = sti_crtc_mode_fixup, .mode_set = drm_helper_crtc_mode_set, - .mode_set_nofb = sti_drm_crtc_mode_set_nofb, + .mode_set_nofb = sti_crtc_mode_set_nofb, .mode_set_base = drm_helper_crtc_mode_set_base, - .disable = sti_drm_crtc_disable, - .atomic_begin = sti_drm_atomic_begin, - .atomic_flush = sti_drm_atomic_flush, + .atomic_begin = sti_crtc_atomic_begin, + .atomic_flush = sti_crtc_atomic_flush, }; -static void sti_drm_crtc_destroy(struct drm_crtc *crtc) +static void sti_crtc_destroy(struct drm_crtc *crtc) { DRM_DEBUG_KMS("\n"); drm_crtc_cleanup(crtc); } -static int sti_drm_crtc_set_property(struct drm_crtc *crtc, - struct drm_property *property, - uint64_t val) +static int sti_crtc_set_property(struct drm_crtc *crtc, + struct drm_property *property, + uint64_t val) { DRM_DEBUG_KMS("\n"); return 0; } -int sti_drm_crtc_vblank_cb(struct notifier_block *nb, - unsigned long event, void *data) +int sti_crtc_vblank_cb(struct notifier_block *nb, + unsigned long event, void *data) { struct drm_device *drm_dev; struct sti_compositor *compo = container_of(nb, struct sti_compositor, vtg_vblank_nb); int *crtc = data; unsigned long flags; - struct sti_drm_private *priv; + struct sti_private *priv; drm_dev = compo->mixer[*crtc]->drm_crtc.dev; priv = drm_dev->dev_private; @@ -233,21 +275,38 @@ int sti_drm_crtc_vblank_cb(struct notifier_block *nb, spin_lock_irqsave(&drm_dev->event_lock, flags); if (compo->mixer[*crtc]->pending_event) { drm_send_vblank_event(drm_dev, -1, - compo->mixer[*crtc]->pending_event); + compo->mixer[*crtc]->pending_event); drm_vblank_put(drm_dev, *crtc); compo->mixer[*crtc]->pending_event = NULL; } spin_unlock_irqrestore(&drm_dev->event_lock, flags); + if (compo->mixer[*crtc]->status == STI_MIXER_DISABLING) { + struct drm_plane *p; + + /* Disable mixer only if all overlay planes (GDP and VDP) + * are disabled */ + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + if ((plane->desc & STI_PLANE_TYPE_MASK) <= STI_VDP) + if (plane->status != STI_PLANE_DISABLED) + return 0; + } + sti_crtc_disable(&compo->mixer[*crtc]->drm_crtc); + } + return 0; } -int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) +int sti_crtc_enable_vblank(struct drm_device *dev, int crtc) { - struct sti_drm_private *dev_priv = dev->dev_private; + struct sti_private *dev_priv = dev->dev_private; struct sti_compositor *compo = dev_priv->compo; struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb; + DRM_DEBUG_DRIVER("\n"); + if (sti_vtg_register_client(crtc == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, vtg_vblank_nb, crtc)) { @@ -257,11 +316,11 @@ int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) return 0; } -EXPORT_SYMBOL(sti_drm_crtc_enable_vblank); +EXPORT_SYMBOL(sti_crtc_enable_vblank); -void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) +void sti_crtc_disable_vblank(struct drm_device *drm_dev, int crtc) { - struct sti_drm_private *priv = dev->dev_private; + struct sti_private *priv = drm_dev->dev_private; struct sti_compositor *compo = priv->compo; struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb; @@ -273,23 +332,23 @@ void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) /* free the resources of the pending requests */ if (compo->mixer[crtc]->pending_event) { - drm_vblank_put(dev, crtc); + drm_vblank_put(drm_dev, crtc); compo->mixer[crtc]->pending_event = NULL; } } -EXPORT_SYMBOL(sti_drm_crtc_disable_vblank); +EXPORT_SYMBOL(sti_crtc_disable_vblank); static struct drm_crtc_funcs sti_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, - .destroy = sti_drm_crtc_destroy, - .set_property = sti_drm_crtc_set_property, + .destroy = sti_crtc_destroy, + .set_property = sti_crtc_set_property, .reset = drm_atomic_helper_crtc_reset, .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, }; -bool sti_drm_crtc_is_main(struct drm_crtc *crtc) +bool sti_crtc_is_main(struct drm_crtc *crtc) { struct sti_mixer *mixer = to_sti_mixer(crtc); @@ -298,18 +357,18 @@ bool sti_drm_crtc_is_main(struct drm_crtc *crtc) return false; } -EXPORT_SYMBOL(sti_drm_crtc_is_main); +EXPORT_SYMBOL(sti_crtc_is_main); -int sti_drm_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, - struct drm_plane *primary, struct drm_plane *cursor) +int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, + struct drm_plane *primary, struct drm_plane *cursor) { struct drm_crtc *crtc = &mixer->drm_crtc; int res; res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor, - &sti_crtc_funcs); + &sti_crtc_funcs); if (res) { - DRM_ERROR("Can not initialze CRTC\n"); + DRM_ERROR("Can't initialze CRTC\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/sti/sti_crtc.h b/drivers/gpu/drm/sti/sti_crtc.h new file mode 100644 index 000000000000..51963e6ddbe7 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_crtc.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef _STI_CRTC_H_ +#define _STI_CRTC_H_ + +#include <drm/drmP.h> + +struct sti_mixer; + +int sti_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, + struct drm_plane *primary, struct drm_plane *cursor); +int sti_crtc_enable_vblank(struct drm_device *dev, int crtc); +void sti_crtc_disable_vblank(struct drm_device *dev, int crtc); +int sti_crtc_vblank_cb(struct notifier_block *nb, + unsigned long event, void *data); +bool sti_crtc_is_main(struct drm_crtc *drm_crtc); + +#endif diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c index 010eaee60bf7..dd1032195051 100644 --- a/drivers/gpu/drm/sti/sti_cursor.c +++ b/drivers/gpu/drm/sti/sti_cursor.c @@ -7,8 +7,14 @@ */ #include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_plane_helper.h> + +#include "sti_compositor.h" #include "sti_cursor.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" /* Registers */ @@ -42,15 +48,19 @@ struct dma_pixmap { /** * STI Cursor structure * - * @layer: layer structure - * @width: cursor width - * @height: cursor height - * @clut: color look up table - * @clut_paddr: color look up table physical address - * @pixmap: pixmap dma buffer (clut8-format cursor) + * @sti_plane: sti_plane structure + * @dev: driver device + * @regs: cursor registers + * @width: cursor width + * @height: cursor height + * @clut: color look up table + * @clut_paddr: color look up table physical address + * @pixmap: pixmap dma buffer (clut8-format cursor) */ struct sti_cursor { - struct sti_layer layer; + struct sti_plane plane; + struct device *dev; + void __iomem *regs; unsigned int width; unsigned int height; unsigned short *clut; @@ -62,22 +72,10 @@ static const uint32_t cursor_supported_formats[] = { DRM_FORMAT_ARGB8888, }; -#define to_sti_cursor(x) container_of(x, struct sti_cursor, layer) - -static const uint32_t *sti_cursor_get_formats(struct sti_layer *layer) -{ - return cursor_supported_formats; -} - -static unsigned int sti_cursor_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(cursor_supported_formats); -} +#define to_sti_cursor(x) container_of(x, struct sti_cursor, plane) -static void sti_cursor_argb8888_to_clut8(struct sti_layer *layer) +static void sti_cursor_argb8888_to_clut8(struct sti_cursor *cursor, u32 *src) { - struct sti_cursor *cursor = to_sti_cursor(layer); - u32 *src = layer->vaddr; u8 *dst = cursor->pixmap.base; unsigned int i, j; u32 a, r, g, b; @@ -96,127 +94,155 @@ static void sti_cursor_argb8888_to_clut8(struct sti_layer *layer) } } -static int sti_cursor_prepare_layer(struct sti_layer *layer, bool first_prepare) +static void sti_cursor_init(struct sti_cursor *cursor) { - struct sti_cursor *cursor = to_sti_cursor(layer); - struct drm_display_mode *mode = layer->mode; + unsigned short *base = cursor->clut; + unsigned int a, r, g, b; + + /* Assign CLUT values, ARGB444 format */ + for (a = 0; a < 4; a++) + for (r = 0; r < 4; r++) + for (g = 0; g < 4; g++) + for (b = 0; b < 4; b++) + *base++ = (a * 5) << 12 | + (r * 5) << 8 | + (g * 5) << 4 | + (b * 5); +} + +static void sti_cursor_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_cursor *cursor = to_sti_cursor(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; u32 y, x; u32 val; - DRM_DEBUG_DRIVER("\n"); + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", dst_w, dst_h, dst_x, dst_y); - dev_dbg(layer->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); + dev_dbg(cursor->dev, "%s %s\n", __func__, + sti_plane_to_str(plane)); - if (layer->src_w < STI_CURS_MIN_SIZE || - layer->src_h < STI_CURS_MIN_SIZE || - layer->src_w > STI_CURS_MAX_SIZE || - layer->src_h > STI_CURS_MAX_SIZE) { + if (src_w < STI_CURS_MIN_SIZE || + src_h < STI_CURS_MIN_SIZE || + src_w > STI_CURS_MAX_SIZE || + src_h > STI_CURS_MAX_SIZE) { DRM_ERROR("Invalid cursor size (%dx%d)\n", - layer->src_w, layer->src_h); - return -EINVAL; + src_w, src_h); + return; } /* If the cursor size has changed, re-allocated the pixmap */ if (!cursor->pixmap.base || - (cursor->width != layer->src_w) || - (cursor->height != layer->src_h)) { - cursor->width = layer->src_w; - cursor->height = layer->src_h; + (cursor->width != src_w) || + (cursor->height != src_h)) { + cursor->width = src_w; + cursor->height = src_h; if (cursor->pixmap.base) - dma_free_writecombine(layer->dev, + dma_free_writecombine(cursor->dev, cursor->pixmap.size, cursor->pixmap.base, cursor->pixmap.paddr); cursor->pixmap.size = cursor->width * cursor->height; - cursor->pixmap.base = dma_alloc_writecombine(layer->dev, + cursor->pixmap.base = dma_alloc_writecombine(cursor->dev, cursor->pixmap.size, &cursor->pixmap.paddr, GFP_KERNEL | GFP_DMA); if (!cursor->pixmap.base) { DRM_ERROR("Failed to allocate memory for pixmap\n"); - return -ENOMEM; + return; } } + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + /* Convert ARGB8888 to CLUT8 */ - sti_cursor_argb8888_to_clut8(layer); + sti_cursor_argb8888_to_clut8(cursor, (u32 *)cma_obj->vaddr); /* AWS and AWE depend on the mode */ y = sti_vtg_get_line_number(*mode, 0); x = sti_vtg_get_pixel_number(*mode, 0); val = y << 16 | x; - writel(val, layer->regs + CUR_AWS); + writel(val, cursor->regs + CUR_AWS); y = sti_vtg_get_line_number(*mode, mode->vdisplay - 1); x = sti_vtg_get_pixel_number(*mode, mode->hdisplay - 1); val = y << 16 | x; - writel(val, layer->regs + CUR_AWE); + writel(val, cursor->regs + CUR_AWE); if (first_prepare) { /* Set and fetch CLUT */ - writel(cursor->clut_paddr, layer->regs + CUR_CML); - writel(CUR_CTL_CLUT_UPDATE, layer->regs + CUR_CTL); + writel(cursor->clut_paddr, cursor->regs + CUR_CML); + writel(CUR_CTL_CLUT_UPDATE, cursor->regs + CUR_CTL); } - return 0; -} - -static int sti_cursor_commit_layer(struct sti_layer *layer) -{ - struct sti_cursor *cursor = to_sti_cursor(layer); - struct drm_display_mode *mode = layer->mode; - u32 ydo, xdo; - - dev_dbg(layer->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - /* Set memory location, size, and position */ - writel(cursor->pixmap.paddr, layer->regs + CUR_PML); - writel(cursor->width, layer->regs + CUR_PMP); - writel(cursor->height << 16 | cursor->width, layer->regs + CUR_SIZE); + writel(cursor->pixmap.paddr, cursor->regs + CUR_PML); + writel(cursor->width, cursor->regs + CUR_PMP); + writel(cursor->height << 16 | cursor->width, cursor->regs + CUR_SIZE); - ydo = sti_vtg_get_line_number(*mode, layer->dst_y); - xdo = sti_vtg_get_pixel_number(*mode, layer->dst_y); - writel((ydo << 16) | xdo, layer->regs + CUR_VPO); + y = sti_vtg_get_line_number(*mode, dst_y); + x = sti_vtg_get_pixel_number(*mode, dst_y); + writel((y << 16) | x, cursor->regs + CUR_VPO); - return 0; + plane->status = STI_PLANE_UPDATED; } -static int sti_cursor_disable_layer(struct sti_layer *layer) +static void sti_cursor_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) { - return 0; -} + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); -static void sti_cursor_init(struct sti_layer *layer) -{ - struct sti_cursor *cursor = to_sti_cursor(layer); - unsigned short *base = cursor->clut; - unsigned int a, r, g, b; + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } - /* Assign CLUT values, ARGB444 format */ - for (a = 0; a < 4; a++) - for (r = 0; r < 4; r++) - for (g = 0; g < 4; g++) - for (b = 0; b < 4; b++) - *base++ = (a * 5) << 12 | - (r * 5) << 8 | - (g * 5) << 4 | - (b * 5); + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; } -static const struct sti_layer_funcs cursor_ops = { - .get_formats = sti_cursor_get_formats, - .get_nb_formats = sti_cursor_get_nb_formats, - .init = sti_cursor_init, - .prepare = sti_cursor_prepare_layer, - .commit = sti_cursor_commit_layer, - .disable = sti_cursor_disable_layer, +static const struct drm_plane_helper_funcs sti_cursor_helpers_funcs = { + .atomic_update = sti_cursor_atomic_update, + .atomic_disable = sti_cursor_atomic_disable, }; -struct sti_layer *sti_cursor_create(struct device *dev) +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs) { struct sti_cursor *cursor; + size_t size; + int res; cursor = devm_kzalloc(dev, sizeof(*cursor), GFP_KERNEL); if (!cursor) { @@ -225,18 +251,43 @@ struct sti_layer *sti_cursor_create(struct device *dev) } /* Allocate clut buffer */ - cursor->clut = dma_alloc_writecombine(dev, - 0x100 * sizeof(unsigned short), - &cursor->clut_paddr, - GFP_KERNEL | GFP_DMA); + size = 0x100 * sizeof(unsigned short); + cursor->clut = dma_alloc_writecombine(dev, size, &cursor->clut_paddr, + GFP_KERNEL | GFP_DMA); if (!cursor->clut) { DRM_ERROR("Failed to allocate memory for cursor clut\n"); - devm_kfree(dev, cursor); - return NULL; + goto err_clut; + } + + cursor->dev = dev; + cursor->regs = baseaddr; + cursor->plane.desc = desc; + cursor->plane.status = STI_PLANE_DISABLED; + + sti_cursor_init(cursor); + + res = drm_universal_plane_init(drm_dev, &cursor->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + cursor_supported_formats, + ARRAY_SIZE(cursor_supported_formats), + DRM_PLANE_TYPE_CURSOR); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err_plane; } - cursor->layer.ops = &cursor_ops; + drm_plane_helper_add(&cursor->plane.drm_plane, + &sti_cursor_helpers_funcs); + + sti_plane_init_property(&cursor->plane, DRM_PLANE_TYPE_CURSOR); + + return &cursor->plane.drm_plane; - return (struct sti_layer *)cursor; +err_plane: + dma_free_writecombine(dev, size, cursor->clut, cursor->clut_paddr); +err_clut: + devm_kfree(dev, cursor); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_cursor.h b/drivers/gpu/drm/sti/sti_cursor.h index 3c9827404f27..2ee5c10e8b33 100644 --- a/drivers/gpu/drm/sti/sti_cursor.h +++ b/drivers/gpu/drm/sti/sti_cursor.h @@ -7,6 +7,9 @@ #ifndef _STI_CURSOR_H_ #define _STI_CURSOR_H_ -struct sti_layer *sti_cursor_create(struct device *dev); +struct drm_plane *sti_cursor_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs); #endif diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.h b/drivers/gpu/drm/sti/sti_drm_crtc.h deleted file mode 100644 index caca8b14f017..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_crtc.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_DRM_CRTC_H_ -#define _STI_DRM_CRTC_H_ - -#include <drm/drmP.h> - -struct sti_mixer; - -int sti_drm_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer, - struct drm_plane *primary, struct drm_plane *cursor); -int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc); -void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); -int sti_drm_crtc_vblank_cb(struct notifier_block *nb, - unsigned long event, void *data); -bool sti_drm_crtc_is_main(struct drm_crtc *drm_crtc); - -#endif diff --git a/drivers/gpu/drm/sti/sti_drm_plane.c b/drivers/gpu/drm/sti/sti_drm_plane.c deleted file mode 100644 index 64d4ed43dda3..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_plane.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_plane_helper.h> - -#include "sti_compositor.h" -#include "sti_drm_drv.h" -#include "sti_drm_plane.h" -#include "sti_vtg.h" - -enum sti_layer_desc sti_layer_default_zorder[] = { - STI_GDP_0, - STI_VID_0, - STI_GDP_1, - STI_VID_1, - STI_GDP_2, - STI_GDP_3, -}; - -/* (Background) < GDP0 < VID0 < GDP1 < VID1 < GDP2 < GDP3 < (ForeGround) */ - -static int -sti_drm_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, - struct drm_framebuffer *fb, int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct sti_layer *layer = to_sti_layer(plane); - struct sti_mixer *mixer = to_sti_mixer(crtc); - int res; - - DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", - crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", crtc_w, crtc_h, crtc_x, crtc_y); - - res = sti_mixer_set_layer_depth(mixer, layer); - if (res) { - DRM_ERROR("Can not set layer depth\n"); - return res; - } - - /* src_x are in 16.16 format. */ - res = sti_layer_prepare(layer, crtc, fb, - &crtc->mode, mixer->id, - crtc_x, crtc_y, crtc_w, crtc_h, - src_x >> 16, src_y >> 16, - src_w >> 16, src_h >> 16); - if (res) { - DRM_ERROR("Layer prepare failed\n"); - return res; - } - - res = sti_layer_commit(layer); - if (res) { - DRM_ERROR("Layer commit failed\n"); - return res; - } - - res = sti_mixer_set_layer_status(mixer, layer, true); - if (res) { - DRM_ERROR("Can not enable layer at mixer\n"); - return res; - } - - return 0; -} - -static int sti_drm_disable_plane(struct drm_plane *plane) -{ - struct sti_layer *layer; - struct sti_mixer *mixer; - int lay_res, mix_res; - - if (!plane->crtc) { - DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", plane->base.id); - return 0; - } - layer = to_sti_layer(plane); - mixer = to_sti_mixer(plane->crtc); - - DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", - plane->crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - - /* Disable layer at mixer level */ - mix_res = sti_mixer_set_layer_status(mixer, layer, false); - if (mix_res) - DRM_ERROR("Can not disable layer at mixer\n"); - - /* Wait a while to be sure that a Vsync event is received */ - msleep(WAIT_NEXT_VSYNC_MS); - - /* Then disable layer itself */ - lay_res = sti_layer_disable(layer); - if (lay_res) - DRM_ERROR("Layer disable failed\n"); - - if (lay_res || mix_res) - return -EINVAL; - - return 0; -} - -static void sti_drm_plane_destroy(struct drm_plane *plane) -{ - DRM_DEBUG_DRIVER("\n"); - - drm_plane_helper_disable(plane); - drm_plane_cleanup(plane); -} - -static int sti_drm_plane_set_property(struct drm_plane *plane, - struct drm_property *property, - uint64_t val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct sti_layer *layer = to_sti_layer(plane); - - DRM_DEBUG_DRIVER("\n"); - - if (property == private->plane_zorder_property) { - layer->zorder = val; - return 0; - } - - return -EINVAL; -} - -static struct drm_plane_funcs sti_drm_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = sti_drm_plane_destroy, - .set_property = sti_drm_plane_set_property, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static int sti_drm_plane_prepare_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *new_state) -{ - return 0; -} - -static void sti_drm_plane_cleanup_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *old_fb) -{ -} - -static int sti_drm_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) -{ - return 0; -} - -static void sti_drm_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - struct drm_plane_state *state = plane->state; - - sti_drm_update_plane(plane, state->crtc, state->fb, - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - state->src_x, state->src_y, - state->src_w, state->src_h); -} - -static void sti_drm_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - sti_drm_disable_plane(plane); -} - -static const struct drm_plane_helper_funcs sti_drm_plane_helpers_funcs = { - .prepare_fb = sti_drm_plane_prepare_fb, - .cleanup_fb = sti_drm_plane_cleanup_fb, - .atomic_check = sti_drm_plane_atomic_check, - .atomic_update = sti_drm_plane_atomic_update, - .atomic_disable = sti_drm_plane_atomic_disable, -}; - -static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane, - uint64_t default_val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct drm_property *prop; - struct sti_layer *layer = to_sti_layer(plane); - - prop = private->plane_zorder_property; - if (!prop) { - prop = drm_property_create_range(dev, 0, "zpos", 0, - GAM_MIXER_NB_DEPTH_LEVEL - 1); - if (!prop) - return; - - private->plane_zorder_property = prop; - } - - drm_object_attach_property(&plane->base, prop, default_val); - layer->zorder = default_val; -} - -struct drm_plane *sti_drm_plane_init(struct drm_device *dev, - struct sti_layer *layer, - unsigned int possible_crtcs, - enum drm_plane_type type) -{ - int err, i; - uint64_t default_zorder = 0; - - err = drm_universal_plane_init(dev, &layer->plane, possible_crtcs, - &sti_drm_plane_funcs, - sti_layer_get_formats(layer), - sti_layer_get_nb_formats(layer), type); - if (err) { - DRM_ERROR("Failed to initialize plane\n"); - return NULL; - } - - drm_plane_helper_add(&layer->plane, &sti_drm_plane_helpers_funcs); - - for (i = 0; i < ARRAY_SIZE(sti_layer_default_zorder); i++) - if (sti_layer_default_zorder[i] == layer->desc) - break; - - default_zorder = i + 1; - - if (type == DRM_PLANE_TYPE_OVERLAY) - sti_drm_plane_attach_zorder_property(&layer->plane, - default_zorder); - - DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%llu\n", - layer->plane.base.id, - sti_layer_to_str(layer), default_zorder); - - return &layer->plane; -} -EXPORT_SYMBOL(sti_drm_plane_init); diff --git a/drivers/gpu/drm/sti/sti_drm_plane.h b/drivers/gpu/drm/sti/sti_drm_plane.h deleted file mode 100644 index 4f191839f2a7..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_plane.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_DRM_PLANE_H_ -#define _STI_DRM_PLANE_H_ - -#include <drm/drmP.h> - -struct sti_layer; - -struct drm_plane *sti_drm_plane_init(struct drm_device *dev, - struct sti_layer *layer, - unsigned int possible_crtcs, - enum drm_plane_type type); -#endif diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 59d558b400b3..6f4af6a8ba1b 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -18,8 +18,8 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_fb_cma_helper.h> -#include "sti_drm_drv.h" -#include "sti_drm_crtc.h" +#include "sti_crtc.h" +#include "sti_drv.h" #define DRIVER_NAME "sti" #define DRIVER_DESC "STMicroelectronics SoC DRM" @@ -30,15 +30,15 @@ #define STI_MAX_FB_HEIGHT 4096 #define STI_MAX_FB_WIDTH 4096 -static void sti_drm_atomic_schedule(struct sti_drm_private *private, - struct drm_atomic_state *state) +static void sti_atomic_schedule(struct sti_private *private, + struct drm_atomic_state *state) { private->commit.state = state; schedule_work(&private->commit.work); } -static void sti_drm_atomic_complete(struct sti_drm_private *private, - struct drm_atomic_state *state) +static void sti_atomic_complete(struct sti_private *private, + struct drm_atomic_state *state) { struct drm_device *drm = private->drm_dev; @@ -68,18 +68,18 @@ static void sti_drm_atomic_complete(struct sti_drm_private *private, drm_atomic_state_free(state); } -static void sti_drm_atomic_work(struct work_struct *work) +static void sti_atomic_work(struct work_struct *work) { - struct sti_drm_private *private = container_of(work, - struct sti_drm_private, commit.work); + struct sti_private *private = container_of(work, + struct sti_private, commit.work); - sti_drm_atomic_complete(private, private->commit.state); + sti_atomic_complete(private, private->commit.state); } -static int sti_drm_atomic_commit(struct drm_device *drm, - struct drm_atomic_state *state, bool async) +static int sti_atomic_commit(struct drm_device *drm, + struct drm_atomic_state *state, bool async) { - struct sti_drm_private *private = drm->dev_private; + struct sti_private *private = drm->dev_private; int err; err = drm_atomic_helper_prepare_planes(drm, state); @@ -99,21 +99,21 @@ static int sti_drm_atomic_commit(struct drm_device *drm, drm_atomic_helper_swap_state(drm, state); if (async) - sti_drm_atomic_schedule(private, state); + sti_atomic_schedule(private, state); else - sti_drm_atomic_complete(private, state); + sti_atomic_complete(private, state); mutex_unlock(&private->commit.lock); return 0; } -static struct drm_mode_config_funcs sti_drm_mode_config_funcs = { +static struct drm_mode_config_funcs sti_mode_config_funcs = { .fb_create = drm_fb_cma_create, .atomic_check = drm_atomic_helper_check, - .atomic_commit = sti_drm_atomic_commit, + .atomic_commit = sti_atomic_commit, }; -static void sti_drm_mode_config_init(struct drm_device *dev) +static void sti_mode_config_init(struct drm_device *dev) { dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; @@ -126,15 +126,15 @@ static void sti_drm_mode_config_init(struct drm_device *dev) dev->mode_config.max_width = STI_MAX_FB_HEIGHT; dev->mode_config.max_height = STI_MAX_FB_WIDTH; - dev->mode_config.funcs = &sti_drm_mode_config_funcs; + dev->mode_config.funcs = &sti_mode_config_funcs; } -static int sti_drm_load(struct drm_device *dev, unsigned long flags) +static int sti_load(struct drm_device *dev, unsigned long flags) { - struct sti_drm_private *private; + struct sti_private *private; int ret; - private = kzalloc(sizeof(struct sti_drm_private), GFP_KERNEL); + private = kzalloc(sizeof(*private), GFP_KERNEL); if (!private) { DRM_ERROR("Failed to allocate private\n"); return -ENOMEM; @@ -143,12 +143,12 @@ static int sti_drm_load(struct drm_device *dev, unsigned long flags) private->drm_dev = dev; mutex_init(&private->commit.lock); - INIT_WORK(&private->commit.work, sti_drm_atomic_work); + INIT_WORK(&private->commit.work, sti_atomic_work); drm_mode_config_init(dev); drm_kms_helper_poll_init(dev); - sti_drm_mode_config_init(dev); + sti_mode_config_init(dev); ret = component_bind_all(dev->dev, dev); if (ret) { @@ -162,13 +162,13 @@ static int sti_drm_load(struct drm_device *dev, unsigned long flags) #ifdef CONFIG_DRM_STI_FBDEV drm_fbdev_cma_init(dev, 32, - dev->mode_config.num_crtc, - dev->mode_config.num_connector); + dev->mode_config.num_crtc, + dev->mode_config.num_connector); #endif return 0; } -static const struct file_operations sti_drm_driver_fops = { +static const struct file_operations sti_driver_fops = { .owner = THIS_MODULE, .open = drm_open, .mmap = drm_gem_cma_mmap, @@ -181,33 +181,33 @@ static const struct file_operations sti_drm_driver_fops = { .release = drm_release, }; -static struct dma_buf *sti_drm_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, - int flags) +static struct dma_buf *sti_gem_prime_export(struct drm_device *dev, + struct drm_gem_object *obj, + int flags) { /* we want to be able to write in mmapped buffer */ flags |= O_RDWR; return drm_gem_prime_export(dev, obj, flags); } -static struct drm_driver sti_drm_driver = { +static struct drm_driver sti_driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, - .load = sti_drm_load, + .load = sti_load, .gem_free_object = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = drm_gem_cma_dumb_create, .dumb_map_offset = drm_gem_cma_dumb_map_offset, .dumb_destroy = drm_gem_dumb_destroy, - .fops = &sti_drm_driver_fops, + .fops = &sti_driver_fops, .get_vblank_counter = drm_vblank_count, - .enable_vblank = sti_drm_crtc_enable_vblank, - .disable_vblank = sti_drm_crtc_disable_vblank, + .enable_vblank = sti_crtc_enable_vblank, + .disable_vblank = sti_crtc_disable_vblank, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = sti_drm_gem_prime_export, + .gem_prime_export = sti_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, @@ -227,30 +227,32 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } -static int sti_drm_bind(struct device *dev) +static int sti_bind(struct device *dev) { - return drm_platform_init(&sti_drm_driver, to_platform_device(dev)); + return drm_platform_init(&sti_driver, to_platform_device(dev)); } -static void sti_drm_unbind(struct device *dev) +static void sti_unbind(struct device *dev) { drm_put_dev(dev_get_drvdata(dev)); } -static const struct component_master_ops sti_drm_ops = { - .bind = sti_drm_bind, - .unbind = sti_drm_unbind, +static const struct component_master_ops sti_ops = { + .bind = sti_bind, + .unbind = sti_unbind, }; -static int sti_drm_master_probe(struct platform_device *pdev) +static int sti_platform_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *node = dev->parent->of_node; + struct device_node *node = dev->of_node; struct device_node *child_np; struct component_match *match = NULL; dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + of_platform_populate(node, NULL, NULL, dev); + child_np = of_get_next_available_child(node, NULL); while (child_np) { @@ -259,68 +261,33 @@ static int sti_drm_master_probe(struct platform_device *pdev) child_np = of_get_next_available_child(node, child_np); } - return component_master_add_with_match(dev, &sti_drm_ops, match); -} - -static int sti_drm_master_remove(struct platform_device *pdev) -{ - component_master_del(&pdev->dev, &sti_drm_ops); - return 0; + return component_master_add_with_match(dev, &sti_ops, match); } -static struct platform_driver sti_drm_master_driver = { - .probe = sti_drm_master_probe, - .remove = sti_drm_master_remove, - .driver = { - .name = DRIVER_NAME "__master", - }, -}; - -static int sti_drm_platform_probe(struct platform_device *pdev) +static int sti_platform_remove(struct platform_device *pdev) { - struct device *dev = &pdev->dev; - struct device_node *node = dev->of_node; - struct platform_device *master; - - of_platform_populate(node, NULL, NULL, dev); - - platform_driver_register(&sti_drm_master_driver); - master = platform_device_register_resndata(dev, - DRIVER_NAME "__master", -1, - NULL, 0, NULL, 0); - if (IS_ERR(master)) - return PTR_ERR(master); - - platform_set_drvdata(pdev, master); - return 0; -} - -static int sti_drm_platform_remove(struct platform_device *pdev) -{ - struct platform_device *master = platform_get_drvdata(pdev); - + component_master_del(&pdev->dev, &sti_ops); of_platform_depopulate(&pdev->dev); - platform_device_unregister(master); - platform_driver_unregister(&sti_drm_master_driver); + return 0; } -static const struct of_device_id sti_drm_dt_ids[] = { +static const struct of_device_id sti_dt_ids[] = { { .compatible = "st,sti-display-subsystem", }, { /* end node */ }, }; -MODULE_DEVICE_TABLE(of, sti_drm_dt_ids); +MODULE_DEVICE_TABLE(of, sti_dt_ids); -static struct platform_driver sti_drm_platform_driver = { - .probe = sti_drm_platform_probe, - .remove = sti_drm_platform_remove, +static struct platform_driver sti_platform_driver = { + .probe = sti_platform_probe, + .remove = sti_platform_remove, .driver = { .name = DRIVER_NAME, - .of_match_table = sti_drm_dt_ids, + .of_match_table = sti_dt_ids, }, }; -module_platform_driver(sti_drm_platform_driver); +module_platform_driver(sti_platform_driver); MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>"); MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); diff --git a/drivers/gpu/drm/sti/sti_drm_drv.h b/drivers/gpu/drm/sti/sti_drv.h index c413aa3ff402..9372f69e1859 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.h +++ b/drivers/gpu/drm/sti/sti_drv.h @@ -4,8 +4,8 @@ * License terms: GNU General Public License (GPL), version 2 */ -#ifndef _STI_DRM_DRV_H_ -#define _STI_DRM_DRV_H_ +#ifndef _STI_DRV_H_ +#define _STI_DRV_H_ #include <drm/drmP.h> @@ -20,7 +20,7 @@ struct sti_tvout; * @plane_zorder_property: z-order property for CRTC planes * @drm_dev: drm device */ -struct sti_drm_private { +struct sti_private { struct sti_compositor *compo; struct drm_property *plane_zorder_property; struct drm_device *drm_dev; diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c index 087906fd8846..9365670427ad 100644 --- a/drivers/gpu/drm/sti/sti_gdp.c +++ b/drivers/gpu/drm/sti/sti_gdp.c @@ -9,9 +9,12 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + #include "sti_compositor.h" #include "sti_gdp.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" #define ALPHASWITCH BIT(6) @@ -26,7 +29,7 @@ #define GDP_XBGR8888 (GDP_RGB888_32 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB8565 0x04 #define GDP_ARGB8888 0x05 -#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) +#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH) #define GDP_ARGB1555 0x06 #define GDP_ARGB4444 0x07 #define GDP_CLUT8 0x0B @@ -53,8 +56,8 @@ #define GAM_GDP_PPT_IGNORE (BIT(1) | BIT(0)) #define GAM_GDP_SIZE_MAX 0x7FF -#define GDP_NODE_NB_BANK 2 -#define GDP_NODE_PER_FIELD 2 +#define GDP_NODE_NB_BANK 2 +#define GDP_NODE_PER_FIELD 2 struct sti_gdp_node { u32 gam_gdp_ctl; @@ -85,16 +88,20 @@ struct sti_gdp_node_list { /** * STI GDP structure * - * @layer: layer structure + * @sti_plane: sti_plane structure + * @dev: driver device + * @regs: gdp registers * @clk_pix: pixel clock for the current gdp * @clk_main_parent: gdp parent clock if main path used * @clk_aux_parent: gdp parent clock if aux path used * @vtg_field_nb: callback for VTG FIELD (top or bottom) notification * @is_curr_top: true if the current node processed is the top field - * @node_list: array of node list + * @node_list: array of node list */ struct sti_gdp { - struct sti_layer layer; + struct sti_plane plane; + struct device *dev; + void __iomem *regs; struct clk *clk_pix; struct clk *clk_main_parent; struct clk *clk_aux_parent; @@ -103,7 +110,7 @@ struct sti_gdp { struct sti_gdp_node_list node_list[GDP_NODE_NB_BANK]; }; -#define to_sti_gdp(x) container_of(x, struct sti_gdp, layer) +#define to_sti_gdp(x) container_of(x, struct sti_gdp, plane) static const uint32_t gdp_supported_formats[] = { DRM_FORMAT_XRGB8888, @@ -120,16 +127,6 @@ static const uint32_t gdp_supported_formats[] = { DRM_FORMAT_C8, }; -static const uint32_t *sti_gdp_get_formats(struct sti_layer *layer) -{ - return gdp_supported_formats; -} - -static unsigned int sti_gdp_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(gdp_supported_formats); -} - static int sti_gdp_fourcc2format(int fourcc) { switch (fourcc) { @@ -175,20 +172,19 @@ static int sti_gdp_get_alpharange(int format) /** * sti_gdp_get_free_nodes - * @layer: gdp layer + * @gdp: gdp pointer * * Look for a GDP node list that is not currently read by the HW. * * RETURNS: * Pointer to the free GDP node list */ -static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_layer *layer) +static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(layer); unsigned int i; - hw_nvn = readl(layer->regs + GAM_GDP_NVN_OFFSET); + hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); if (!hw_nvn) goto end; @@ -199,7 +195,7 @@ static struct sti_gdp_node_list *sti_gdp_get_free_nodes(struct sti_layer *layer) /* in hazardious cases restart with the first node */ DRM_ERROR("inconsistent NVN for %s: 0x%08X\n", - sti_layer_to_str(layer), hw_nvn); + sti_plane_to_str(&gdp->plane), hw_nvn); end: return &gdp->node_list[0]; @@ -207,7 +203,7 @@ end: /** * sti_gdp_get_current_nodes - * @layer: GDP layer + * @gdp: gdp pointer * * Look for GDP nodes that are currently read by the HW. * @@ -215,13 +211,12 @@ end: * Pointer to the current GDP node list */ static -struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_layer *layer) +struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_gdp *gdp) { int hw_nvn; - struct sti_gdp *gdp = to_sti_gdp(layer); unsigned int i; - hw_nvn = readl(layer->regs + GAM_GDP_NVN_OFFSET); + hw_nvn = readl(gdp->regs + GAM_GDP_NVN_OFFSET); if (!hw_nvn) goto end; @@ -232,205 +227,25 @@ struct sti_gdp_node_list *sti_gdp_get_current_nodes(struct sti_layer *layer) end: DRM_DEBUG_DRIVER("Warning, NVN 0x%08X for %s does not match any node\n", - hw_nvn, sti_layer_to_str(layer)); + hw_nvn, sti_plane_to_str(&gdp->plane)); return NULL; } /** - * sti_gdp_prepare_layer - * @lay: gdp layer - * @first_prepare: true if it is the first time this function is called - * - * Update the free GDP node list according to the layer properties. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_prepare_layer(struct sti_layer *layer, bool first_prepare) -{ - struct sti_gdp_node_list *list; - struct sti_gdp_node *top_field, *btm_field; - struct drm_display_mode *mode = layer->mode; - struct device *dev = layer->dev; - struct sti_gdp *gdp = to_sti_gdp(layer); - struct sti_compositor *compo = dev_get_drvdata(dev); - int format; - unsigned int depth, bpp; - int rate = mode->clock * 1000; - int res; - u32 ydo, xdo, yds, xds; - - list = sti_gdp_get_free_nodes(layer); - top_field = list->top_field; - btm_field = list->btm_field; - - dev_dbg(dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, - sti_layer_to_str(layer), top_field, btm_field); - - /* Build the top field from layer params */ - top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; - top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; - format = sti_gdp_fourcc2format(layer->format); - if (format == -1) { - DRM_ERROR("Format not supported by GDP %.4s\n", - (char *)&layer->format); - return 1; - } - top_field->gam_gdp_ctl |= format; - top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); - top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; - - /* pixel memory location */ - drm_fb_get_bpp_depth(layer->format, &depth, &bpp); - top_field->gam_gdp_pml = (u32) layer->paddr + layer->offsets[0]; - top_field->gam_gdp_pml += layer->src_x * (bpp >> 3); - top_field->gam_gdp_pml += layer->src_y * layer->pitches[0]; - - /* input parameters */ - top_field->gam_gdp_pmp = layer->pitches[0]; - top_field->gam_gdp_size = - clamp_val(layer->src_h, 0, GAM_GDP_SIZE_MAX) << 16 | - clamp_val(layer->src_w, 0, GAM_GDP_SIZE_MAX); - - /* output parameters */ - ydo = sti_vtg_get_line_number(*mode, layer->dst_y); - yds = sti_vtg_get_line_number(*mode, layer->dst_y + layer->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, layer->dst_x); - xds = sti_vtg_get_pixel_number(*mode, layer->dst_x + layer->dst_w - 1); - top_field->gam_gdp_vpo = (ydo << 16) | xdo; - top_field->gam_gdp_vps = (yds << 16) | xds; - - /* Same content and chained together */ - memcpy(btm_field, top_field, sizeof(*btm_field)); - top_field->gam_gdp_nvn = list->btm_field_paddr; - btm_field->gam_gdp_nvn = list->top_field_paddr; - - /* Interlaced mode */ - if (layer->mode->flags & DRM_MODE_FLAG_INTERLACE) - btm_field->gam_gdp_pml = top_field->gam_gdp_pml + - layer->pitches[0]; - - if (first_prepare) { - /* Register gdp callback */ - if (sti_vtg_register_client(layer->mixer_id == STI_MIXER_MAIN ? - compo->vtg_main : compo->vtg_aux, - &gdp->vtg_field_nb, layer->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return 1; - } - - /* Set and enable gdp clock */ - if (gdp->clk_pix) { - struct clk *clkp; - /* According to the mixer used, the gdp pixel clock - * should have a different parent clock. */ - if (layer->mixer_id == STI_MIXER_MAIN) - clkp = gdp->clk_main_parent; - else - clkp = gdp->clk_aux_parent; - - if (clkp) - clk_set_parent(gdp->clk_pix, clkp); - - res = clk_set_rate(gdp->clk_pix, rate); - if (res < 0) { - DRM_ERROR("Cannot set rate (%dHz) for gdp\n", - rate); - return 1; - } - - if (clk_prepare_enable(gdp->clk_pix)) { - DRM_ERROR("Failed to prepare/enable gdp\n"); - return 1; - } - } - } - - return 0; -} - -/** - * sti_gdp_commit_layer - * @lay: gdp layer - * - * Update the NVN field of the 'right' field of the current GDP node (being - * used by the HW) with the address of the updated ('free') top field GDP node. - * - In interlaced mode the 'right' field is the bottom field as we update - * frames starting from their top field - * - In progressive mode, we update both bottom and top fields which are - * equal nodes. - * At the next VSYNC, the updated node list will be used by the HW. - * - * RETURNS: - * 0 on success. - */ -static int sti_gdp_commit_layer(struct sti_layer *layer) -{ - struct sti_gdp_node_list *updated_list = sti_gdp_get_free_nodes(layer); - struct sti_gdp_node *updated_top_node = updated_list->top_field; - struct sti_gdp_node *updated_btm_node = updated_list->btm_field; - struct sti_gdp *gdp = to_sti_gdp(layer); - u32 dma_updated_top = updated_list->top_field_paddr; - u32 dma_updated_btm = updated_list->btm_field_paddr; - struct sti_gdp_node_list *curr_list = sti_gdp_get_current_nodes(layer); - - dev_dbg(layer->dev, "%s %s top/btm_node:0x%p/0x%p\n", __func__, - sti_layer_to_str(layer), - updated_top_node, updated_btm_node); - dev_dbg(layer->dev, "Current NVN:0x%X\n", - readl(layer->regs + GAM_GDP_NVN_OFFSET)); - dev_dbg(layer->dev, "Posted buff: %lx current buff: %x\n", - (unsigned long)layer->paddr, - readl(layer->regs + GAM_GDP_PML_OFFSET)); - - if (curr_list == NULL) { - /* First update or invalid node should directly write in the - * hw register */ - DRM_DEBUG_DRIVER("%s first update (or invalid node)", - sti_layer_to_str(layer)); - - writel(gdp->is_curr_top == true ? - dma_updated_btm : dma_updated_top, - layer->regs + GAM_GDP_NVN_OFFSET); - return 0; - } - - if (layer->mode->flags & DRM_MODE_FLAG_INTERLACE) { - if (gdp->is_curr_top == true) { - /* Do not update in the middle of the frame, but - * postpone the update after the bottom field has - * been displayed */ - curr_list->btm_field->gam_gdp_nvn = dma_updated_top; - } else { - /* Direct update to avoid one frame delay */ - writel(dma_updated_top, - layer->regs + GAM_GDP_NVN_OFFSET); - } - } else { - /* Direct update for progressive to avoid one frame delay */ - writel(dma_updated_top, layer->regs + GAM_GDP_NVN_OFFSET); - } - - return 0; -} - -/** - * sti_gdp_disable_layer - * @lay: gdp layer + * sti_gdp_disable + * @gdp: gdp pointer * * Disable a GDP. - * - * RETURNS: - * 0 on success. */ -static int sti_gdp_disable_layer(struct sti_layer *layer) +static void sti_gdp_disable(struct sti_gdp *gdp) { + struct drm_plane *drm_plane = &gdp->plane.drm_plane; + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + struct sti_compositor *compo = dev_get_drvdata(gdp->dev); unsigned int i; - struct sti_gdp *gdp = to_sti_gdp(layer); - struct sti_compositor *compo = dev_get_drvdata(layer->dev); - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&gdp->plane)); /* Set the nodes as 'to be ignored on mixer' */ for (i = 0; i < GDP_NODE_NB_BANK; i++) { @@ -438,14 +253,14 @@ static int sti_gdp_disable_layer(struct sti_layer *layer) gdp->node_list[i].btm_field->gam_gdp_ppt |= GAM_GDP_PPT_IGNORE; } - if (sti_vtg_unregister_client(layer->mixer_id == STI_MIXER_MAIN ? + if (sti_vtg_unregister_client(mixer->id == STI_MIXER_MAIN ? compo->vtg_main : compo->vtg_aux, &gdp->vtg_field_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n"); if (gdp->clk_pix) clk_disable_unprepare(gdp->clk_pix); - return 0; + gdp->plane.status = STI_PLANE_DISABLED; } /** @@ -464,6 +279,14 @@ int sti_gdp_field_cb(struct notifier_block *nb, { struct sti_gdp *gdp = container_of(nb, struct sti_gdp, vtg_field_nb); + if (gdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&gdp->plane)); + + sti_gdp_disable(gdp); + } + switch (event) { case VTG_TOP_FIELD_EVENT: gdp->is_curr_top = true; @@ -479,10 +302,9 @@ int sti_gdp_field_cb(struct notifier_block *nb, return 0; } -static void sti_gdp_init(struct sti_layer *layer) +static void sti_gdp_init(struct sti_gdp *gdp) { - struct sti_gdp *gdp = to_sti_gdp(layer); - struct device_node *np = layer->dev->of_node; + struct device_node *np = gdp->dev->of_node; dma_addr_t dma_addr; void *base; unsigned int i, size; @@ -490,8 +312,8 @@ static void sti_gdp_init(struct sti_layer *layer) /* Allocate all the nodes within a single memory page */ size = sizeof(struct sti_gdp_node) * GDP_NODE_PER_FIELD * GDP_NODE_NB_BANK; - base = dma_alloc_writecombine(layer->dev, - size, &dma_addr, GFP_KERNEL | GFP_DMA); + base = dma_alloc_writecombine(gdp->dev, + size, &dma_addr, GFP_KERNEL | GFP_DMA); if (!base) { DRM_ERROR("Failed to allocate memory for GDP node\n"); @@ -526,7 +348,7 @@ static void sti_gdp_init(struct sti_layer *layer) /* GDP of STiH407 chip have its own pixel clock */ char *clk_name; - switch (layer->desc) { + switch (gdp->plane.desc) { case STI_GDP_0: clk_name = "pix_gdp1"; break; @@ -544,32 +366,249 @@ static void sti_gdp_init(struct sti_layer *layer) return; } - gdp->clk_pix = devm_clk_get(layer->dev, clk_name); + gdp->clk_pix = devm_clk_get(gdp->dev, clk_name); if (IS_ERR(gdp->clk_pix)) DRM_ERROR("Cannot get %s clock\n", clk_name); - gdp->clk_main_parent = devm_clk_get(layer->dev, "main_parent"); + gdp->clk_main_parent = devm_clk_get(gdp->dev, "main_parent"); if (IS_ERR(gdp->clk_main_parent)) DRM_ERROR("Cannot get main_parent clock\n"); - gdp->clk_aux_parent = devm_clk_get(layer->dev, "aux_parent"); + gdp->clk_aux_parent = devm_clk_get(gdp->dev, "aux_parent"); if (IS_ERR(gdp->clk_aux_parent)) DRM_ERROR("Cannot get aux_parent clock\n"); } } -static const struct sti_layer_funcs gdp_ops = { - .get_formats = sti_gdp_get_formats, - .get_nb_formats = sti_gdp_get_nb_formats, - .init = sti_gdp_init, - .prepare = sti_gdp_prepare_layer, - .commit = sti_gdp_commit_layer, - .disable = sti_gdp_disable_layer, +static void sti_gdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_gdp *gdp = to_sti_gdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_compositor *compo = dev_get_drvdata(gdp->dev); + struct drm_framebuffer *fb = state->fb; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct sti_mixer *mixer; + struct drm_display_mode *mode; + int dst_x, dst_y, dst_w, dst_h; + int src_x, src_y, src_w, src_h; + struct drm_gem_cma_object *cma_obj; + struct sti_gdp_node_list *list; + struct sti_gdp_node_list *curr_list; + struct sti_gdp_node *top_field, *btm_field; + u32 dma_updated_top; + u32 dma_updated_btm; + int format; + unsigned int depth, bpp; + u32 ydo, xdo, yds, xds; + int res; + + /* Manage the case where crtc is null (disabled) */ + if (!crtc) + return; + + mixer = to_sti_mixer(crtc); + mode = &crtc->mode; + dst_x = state->crtc_x; + dst_y = state->crtc_y; + dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + src_x = state->src_x >> 16; + src_y = state->src_y >> 16; + src_w = state->src_w >> 16; + src_h = state->src_h >> 16; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + list = sti_gdp_get_free_nodes(gdp); + top_field = list->top_field; + btm_field = list->btm_field; + + dev_dbg(gdp->dev, "%s %s top_node:0x%p btm_node:0x%p\n", __func__, + sti_plane_to_str(plane), top_field, btm_field); + + /* build the top field */ + top_field->gam_gdp_agc = GAM_GDP_AGC_FULL_RANGE; + top_field->gam_gdp_ctl = WAIT_NEXT_VSYNC; + format = sti_gdp_fourcc2format(fb->pixel_format); + if (format == -1) { + DRM_ERROR("Format not supported by GDP %.4s\n", + (char *)&fb->pixel_format); + return; + } + top_field->gam_gdp_ctl |= format; + top_field->gam_gdp_ctl |= sti_gdp_get_alpharange(format); + top_field->gam_gdp_ppt &= ~GAM_GDP_PPT_IGNORE; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* pixel memory location */ + drm_fb_get_bpp_depth(fb->pixel_format, &depth, &bpp); + top_field->gam_gdp_pml = (u32)cma_obj->paddr + fb->offsets[0]; + top_field->gam_gdp_pml += src_x * (bpp >> 3); + top_field->gam_gdp_pml += src_y * fb->pitches[0]; + + /* input parameters */ + top_field->gam_gdp_pmp = fb->pitches[0]; + top_field->gam_gdp_size = clamp_val(src_h, 0, GAM_GDP_SIZE_MAX) << 16 | + clamp_val(src_w, 0, GAM_GDP_SIZE_MAX); + + /* output parameters */ + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1); + top_field->gam_gdp_vpo = (ydo << 16) | xdo; + top_field->gam_gdp_vps = (yds << 16) | xds; + + /* Same content and chained together */ + memcpy(btm_field, top_field, sizeof(*btm_field)); + top_field->gam_gdp_nvn = list->btm_field_paddr; + btm_field->gam_gdp_nvn = list->top_field_paddr; + + /* Interlaced mode */ + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + btm_field->gam_gdp_pml = top_field->gam_gdp_pml + + fb->pitches[0]; + + if (first_prepare) { + /* Register gdp callback */ + if (sti_vtg_register_client(mixer->id == STI_MIXER_MAIN ? + compo->vtg_main : compo->vtg_aux, + &gdp->vtg_field_nb, mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + + /* Set and enable gdp clock */ + if (gdp->clk_pix) { + struct clk *clkp; + int rate = mode->clock * 1000; + + /* According to the mixer used, the gdp pixel clock + * should have a different parent clock. */ + if (mixer->id == STI_MIXER_MAIN) + clkp = gdp->clk_main_parent; + else + clkp = gdp->clk_aux_parent; + + if (clkp) + clk_set_parent(gdp->clk_pix, clkp); + + res = clk_set_rate(gdp->clk_pix, rate); + if (res < 0) { + DRM_ERROR("Cannot set rate (%dHz) for gdp\n", + rate); + return; + } + + if (clk_prepare_enable(gdp->clk_pix)) { + DRM_ERROR("Failed to prepare/enable gdp\n"); + return; + } + } + } + + /* Update the NVN field of the 'right' field of the current GDP node + * (being used by the HW) with the address of the updated ('free') top + * field GDP node. + * - In interlaced mode the 'right' field is the bottom field as we + * update frames starting from their top field + * - In progressive mode, we update both bottom and top fields which + * are equal nodes. + * At the next VSYNC, the updated node list will be used by the HW. + */ + curr_list = sti_gdp_get_current_nodes(gdp); + dma_updated_top = list->top_field_paddr; + dma_updated_btm = list->btm_field_paddr; + + dev_dbg(gdp->dev, "Current NVN:0x%X\n", + readl(gdp->regs + GAM_GDP_NVN_OFFSET)); + dev_dbg(gdp->dev, "Posted buff: %lx current buff: %x\n", + (unsigned long)cma_obj->paddr, + readl(gdp->regs + GAM_GDP_PML_OFFSET)); + + if (!curr_list) { + /* First update or invalid node should directly write in the + * hw register */ + DRM_DEBUG_DRIVER("%s first update (or invalid node)", + sti_plane_to_str(plane)); + + writel(gdp->is_curr_top ? + dma_updated_btm : dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + goto end; + } + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + if (gdp->is_curr_top) { + /* Do not update in the middle of the frame, but + * postpone the update after the bottom field has + * been displayed */ + curr_list->btm_field->gam_gdp_nvn = dma_updated_top; + } else { + /* Direct update to avoid one frame delay */ + writel(dma_updated_top, + gdp->regs + GAM_GDP_NVN_OFFSET); + } + } else { + /* Direct update for progressive to avoid one frame delay */ + writel(dma_updated_top, gdp->regs + GAM_GDP_NVN_OFFSET); + } + +end: + plane->status = STI_PLANE_UPDATED; +} + +static void sti_gdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_gdp_helpers_funcs = { + .atomic_update = sti_gdp_atomic_update, + .atomic_disable = sti_gdp_atomic_disable, }; -struct sti_layer *sti_gdp_create(struct device *dev, int id) +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type) { struct sti_gdp *gdp; + int res; gdp = devm_kzalloc(dev, sizeof(*gdp), GFP_KERNEL); if (!gdp) { @@ -577,8 +616,33 @@ struct sti_layer *sti_gdp_create(struct device *dev, int id) return NULL; } - gdp->layer.ops = &gdp_ops; + gdp->dev = dev; + gdp->regs = baseaddr; + gdp->plane.desc = desc; + gdp->plane.status = STI_PLANE_DISABLED; + gdp->vtg_field_nb.notifier_call = sti_gdp_field_cb; - return (struct sti_layer *)gdp; + sti_gdp_init(gdp); + + res = drm_universal_plane_init(drm_dev, &gdp->plane.drm_plane, + possible_crtcs, + &sti_plane_helpers_funcs, + gdp_supported_formats, + ARRAY_SIZE(gdp_supported_formats), + type); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + goto err; + } + + drm_plane_helper_add(&gdp->plane.drm_plane, &sti_gdp_helpers_funcs); + + sti_plane_init_property(&gdp->plane, type); + + return &gdp->plane.drm_plane; + +err: + devm_kfree(dev, gdp); + return NULL; } diff --git a/drivers/gpu/drm/sti/sti_gdp.h b/drivers/gpu/drm/sti/sti_gdp.h index 1dab68274ad3..73947a4a8004 100644 --- a/drivers/gpu/drm/sti/sti_gdp.h +++ b/drivers/gpu/drm/sti/sti_gdp.h @@ -11,6 +11,9 @@ #include <linux/types.h> -struct sti_layer *sti_gdp_create(struct device *dev, int id); - +struct drm_plane *sti_gdp_create(struct drm_device *drm_dev, + struct device *dev, int desc, + void __iomem *baseaddr, + unsigned int possible_crtcs, + enum drm_plane_type type); #endif diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index f28a4d54487c..09e29e43423e 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -588,7 +588,7 @@ static int sti_hdmi_connector_get_modes(struct drm_connector *connector) return count; fail: - DRM_ERROR("Can not read HDMI EDID\n"); + DRM_ERROR("Can't read HDMI EDID\n"); return 0; } @@ -693,21 +693,8 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data) struct sti_hdmi_connector *connector; struct drm_connector *drm_connector; struct drm_bridge *bridge; - struct device_node *ddc; int err; - ddc = of_parse_phandle(dev->of_node, "ddc", 0); - if (ddc) { - hdmi->ddc_adapt = of_find_i2c_adapter_by_node(ddc); - if (!hdmi->ddc_adapt) { - err = -EPROBE_DEFER; - of_node_put(ddc); - return err; - } - - of_node_put(ddc); - } - /* Set the drm device handle */ hdmi->drm_dev = drm_dev; @@ -796,6 +783,7 @@ static int sti_hdmi_probe(struct platform_device *pdev) struct sti_hdmi *hdmi; struct device_node *np = dev->of_node; struct resource *res; + struct device_node *ddc; int ret; DRM_INFO("%s\n", __func__); @@ -804,6 +792,17 @@ static int sti_hdmi_probe(struct platform_device *pdev) if (!hdmi) return -ENOMEM; + ddc = of_parse_phandle(pdev->dev.of_node, "ddc", 0); + if (ddc) { + hdmi->ddc_adapt = of_find_i2c_adapter_by_node(ddc); + if (!hdmi->ddc_adapt) { + of_node_put(ddc); + return -EPROBE_DEFER; + } + + of_node_put(ddc); + } + hdmi->dev = pdev->dev; /* Get resources */ diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index b0eb62de1b2e..7c8f9b8bfae1 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -12,11 +12,12 @@ #include <linux/reset.h> #include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> -#include "sti_drm_plane.h" -#include "sti_hqvdp.h" +#include "sti_compositor.h" #include "sti_hqvdp_lut.h" -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vtg.h" /* Firmware name */ @@ -322,8 +323,7 @@ struct sti_hqvdp_cmd { * @dev: driver device * @drm_dev: the drm device * @regs: registers - * @layer: layer structure for hqvdp it self - * @vid_plane: VID plug used as link with compositor IP + * @plane: plane structure for hqvdp it self * @clk: IP clock * @clk_pix_main: pix main clock * @reset: reset control @@ -334,13 +334,13 @@ struct sti_hqvdp_cmd { * @hqvdp_cmd: buffer of commands * @hqvdp_cmd_paddr: physical address of hqvdp_cmd * @vtg: vtg for main data path + * @xp70_initialized: true if xp70 is already initialized */ struct sti_hqvdp { struct device *dev; struct drm_device *drm_dev; void __iomem *regs; - struct sti_layer layer; - struct drm_plane *vid_plane; + struct sti_plane plane; struct clk *clk; struct clk *clk_pix_main; struct reset_control *reset; @@ -351,24 +351,15 @@ struct sti_hqvdp { void *hqvdp_cmd; dma_addr_t hqvdp_cmd_paddr; struct sti_vtg *vtg; + bool xp70_initialized; }; -#define to_sti_hqvdp(x) container_of(x, struct sti_hqvdp, layer) +#define to_sti_hqvdp(x) container_of(x, struct sti_hqvdp, plane) static const uint32_t hqvdp_supported_formats[] = { DRM_FORMAT_NV12, }; -static const uint32_t *sti_hqvdp_get_formats(struct sti_layer *layer) -{ - return hqvdp_supported_formats; -} - -static unsigned int sti_hqvdp_get_nb_formats(struct sti_layer *layer) -{ - return ARRAY_SIZE(hqvdp_supported_formats); -} - /** * sti_hqvdp_get_free_cmd * @hqvdp: hqvdp structure @@ -484,7 +475,12 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale, /** * sti_hqvdp_check_hw_scaling - * @layer: hqvdp layer + * @hqvdp: hqvdp pointer + * @mode: display mode with timing constraints + * @src_w: source width + * @src_h: source height + * @dst_w: destination width + * @dst_h: destination height * * Check if the HW is able to perform the scaling request * The firmware scaling limitation is "CEIL(1/Zy) <= FLOOR(LFW)" where: @@ -498,184 +494,36 @@ static void sti_hqvdp_update_hvsrc(enum sti_hvsrc_orient orient, int scale, * RETURNS: * True if the HW can scale. */ -static bool sti_hqvdp_check_hw_scaling(struct sti_layer *layer) +static bool sti_hqvdp_check_hw_scaling(struct sti_hqvdp *hqvdp, + struct drm_display_mode *mode, + int src_w, int src_h, + int dst_w, int dst_h) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); unsigned long lfw; unsigned int inv_zy; - lfw = layer->mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); - lfw /= max(layer->src_w, layer->dst_w) * layer->mode->clock / 1000; + lfw = mode->htotal * (clk_get_rate(hqvdp->clk) / 1000000); + lfw /= max(src_w, dst_w) * mode->clock / 1000; - inv_zy = DIV_ROUND_UP(layer->src_h, layer->dst_h); + inv_zy = DIV_ROUND_UP(src_h, dst_h); return (inv_zy <= lfw) ? true : false; } /** - * sti_hqvdp_prepare_layer - * @layer: hqvdp layer - * @first_prepare: true if it is the first time this function is called + * sti_hqvdp_disable + * @hqvdp: hqvdp pointer * - * Prepares a command for the firmware - * - * RETURNS: - * 0 on success. + * Disables the HQVDP plane */ -static int sti_hqvdp_prepare_layer(struct sti_layer *layer, bool first_prepare) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); - struct sti_hqvdp_cmd *cmd; - int scale_h, scale_v; - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - - /* prepare and commit VID plane */ - hqvdp->vid_plane->funcs->update_plane(hqvdp->vid_plane, - layer->crtc, layer->fb, - layer->dst_x, layer->dst_y, - layer->dst_w, layer->dst_h, - layer->src_x, layer->src_y, - layer->src_w, layer->src_h); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - cmd = hqvdp->hqvdp_cmd + cmd_offset; - - if (!sti_hqvdp_check_hw_scaling(layer)) { - DRM_ERROR("Scaling beyond HW capabilities\n"); - return -EINVAL; - } - - /* Static parameters, defaulting to progressive mode */ - cmd->top.config = TOP_CONFIG_PROGRESSIVE; - cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; - cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; - cmd->csdi.config = CSDI_CONFIG_PROG; - - /* VC1RE, FMD bypassed : keep everything set to 0 - * IQI/P2I bypassed */ - cmd->iqi.config = IQI_CONFIG_DFLT; - cmd->iqi.con_bri = IQI_CON_BRI_DFLT; - cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; - cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; - - /* Buffer planes address */ - cmd->top.current_luma = (u32) layer->paddr + layer->offsets[0]; - cmd->top.current_chroma = (u32) layer->paddr + layer->offsets[1]; - - /* Pitches */ - cmd->top.luma_processed_pitch = cmd->top.luma_src_pitch = - layer->pitches[0]; - cmd->top.chroma_processed_pitch = cmd->top.chroma_src_pitch = - layer->pitches[1]; - - /* Input / output size - * Align to upper even value */ - layer->dst_w = ALIGN(layer->dst_w, 2); - layer->dst_h = ALIGN(layer->dst_h, 2); - - if ((layer->src_w > MAX_WIDTH) || (layer->src_w < MIN_WIDTH) || - (layer->src_h > MAX_HEIGHT) || (layer->src_h < MIN_HEIGHT) || - (layer->dst_w > MAX_WIDTH) || (layer->dst_w < MIN_WIDTH) || - (layer->dst_h > MAX_HEIGHT) || (layer->dst_h < MIN_HEIGHT)) { - DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", - layer->src_w, layer->src_h, - layer->dst_w, layer->dst_h); - return -EINVAL; - } - cmd->top.input_viewport_size = cmd->top.input_frame_size = - layer->src_h << 16 | layer->src_w; - cmd->hvsrc.output_picture_size = layer->dst_h << 16 | layer->dst_w; - cmd->top.input_viewport_ori = layer->src_y << 16 | layer->src_x; - - /* Handle interlaced */ - if (layer->fb->flags & DRM_MODE_FB_INTERLACED) { - /* Top field to display */ - cmd->top.config = TOP_CONFIG_INTER_TOP; - - /* Update pitches and vert size */ - cmd->top.input_frame_size = (layer->src_h / 2) << 16 | - layer->src_w; - cmd->top.luma_processed_pitch *= 2; - cmd->top.luma_src_pitch *= 2; - cmd->top.chroma_processed_pitch *= 2; - cmd->top.chroma_src_pitch *= 2; - - /* Enable directional deinterlacing processing */ - cmd->csdi.config = CSDI_CONFIG_INTER_DIR; - cmd->csdi.config2 = CSDI_CONFIG2_DFLT; - cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; - } - - /* Update hvsrc lut coef */ - scale_h = SCALE_FACTOR * layer->dst_w / layer->src_w; - sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); - - scale_v = SCALE_FACTOR * layer->dst_h / layer->src_h; - sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); - - if (first_prepare) { - /* Prevent VTG shutdown */ - if (clk_prepare_enable(hqvdp->clk_pix_main)) { - DRM_ERROR("Failed to prepare/enable pix main clk\n"); - return -ENXIO; - } - - /* Register VTG Vsync callback to handle bottom fields */ - if ((layer->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_register_client(hqvdp->vtg, - &hqvdp->vtg_nb, layer->mixer_id)) { - DRM_ERROR("Cannot register VTG notifier\n"); - return -ENXIO; - } - } - - return 0; -} - -static int sti_hqvdp_commit_layer(struct sti_layer *layer) +static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) { - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); - int cmd_offset; - - dev_dbg(hqvdp->dev, "%s %s\n", __func__, sti_layer_to_str(layer)); - - cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); - if (cmd_offset == -1) { - DRM_ERROR("No available hqvdp_cmd now\n"); - return -EBUSY; - } - - writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, - hqvdp->regs + HQVDP_MBX_NEXT_CMD); - - hqvdp->curr_field_count++; - - /* Interlaced : get ready to display the bottom field at next Vsync */ - if (layer->fb->flags & DRM_MODE_FB_INTERLACED) - hqvdp->btm_field_pending = true; - - dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", - __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); - - return 0; -} - -static int sti_hqvdp_disable_layer(struct sti_layer *layer) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); int i; - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); + DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&hqvdp->plane)); /* Unregister VTG Vsync callback */ - if ((layer->fb->flags & DRM_MODE_FB_INTERLACED) && - sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) + if (sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb)) DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n"); /* Set next cmd to NULL */ @@ -691,15 +539,10 @@ static int sti_hqvdp_disable_layer(struct sti_layer *layer) /* VTG can stop now */ clk_disable_unprepare(hqvdp->clk_pix_main); - if (i == POLL_MAX_ATTEMPT) { + if (i == POLL_MAX_ATTEMPT) DRM_ERROR("XP70 could not revert to idle\n"); - return -ENXIO; - } - - /* disable VID plane */ - hqvdp->vid_plane->funcs->disable_plane(hqvdp->vid_plane); - return 0; + hqvdp->plane.status = STI_PLANE_DISABLED; } /** @@ -724,6 +567,14 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) return 0; } + if (hqvdp->plane.status == STI_PLANE_FLUSHING) { + /* disable need to be synchronize on vsync event */ + DRM_DEBUG_DRIVER("Vsync event received => disable %s\n", + sti_plane_to_str(&hqvdp->plane)); + + sti_hqvdp_disable(hqvdp); + } + if (hqvdp->btm_field_pending) { /* Create the btm field command from the current one */ btm_cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); @@ -758,32 +609,10 @@ int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data) return 0; } -static struct drm_plane *sti_hqvdp_find_vid(struct drm_device *dev, int id) +static void sti_hqvdp_init(struct sti_hqvdp *hqvdp) { - struct drm_plane *plane; - - list_for_each_entry(plane, &dev->mode_config.plane_list, head) { - struct sti_layer *layer = to_sti_layer(plane); - - if (layer->desc == id) - return plane; - } - - return NULL; -} - -static void sti_hqvd_init(struct sti_layer *layer) -{ - struct sti_hqvdp *hqvdp = to_sti_hqvdp(layer); int size; - /* find the plane macthing with vid 0 */ - hqvdp->vid_plane = sti_hqvdp_find_vid(hqvdp->drm_dev, STI_VID_0); - if (!hqvdp->vid_plane) { - DRM_ERROR("Cannot find Main video layer\n"); - return; - } - hqvdp->vtg_nb.notifier_call = sti_hqvdp_vtg_cb; /* Allocate memory for the VDP commands */ @@ -799,24 +628,213 @@ static void sti_hqvd_init(struct sti_layer *layer) memset(hqvdp->hqvdp_cmd, 0, size); } -static const struct sti_layer_funcs hqvdp_ops = { - .get_formats = sti_hqvdp_get_formats, - .get_nb_formats = sti_hqvdp_get_nb_formats, - .init = sti_hqvd_init, - .prepare = sti_hqvdp_prepare_layer, - .commit = sti_hqvdp_commit_layer, - .disable = sti_hqvdp_disable_layer, +static void sti_hqvdp_atomic_update(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct drm_plane_state *state = drm_plane->state; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); + struct drm_crtc *crtc = state->crtc; + struct sti_mixer *mixer = to_sti_mixer(crtc); + struct drm_framebuffer *fb = state->fb; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + /* src_x are in 16.16 format */ + int src_x = state->src_x >> 16; + int src_y = state->src_y >> 16; + int src_w = state->src_w >> 16; + int src_h = state->src_h >> 16; + bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; + struct drm_gem_cma_object *cma_obj; + struct sti_hqvdp_cmd *cmd; + int scale_h, scale_v; + int cmd_offset; + + DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", + crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + DRM_DEBUG_KMS("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", + sti_plane_to_str(plane), + dst_w, dst_h, dst_x, dst_y, + src_w, src_h, src_x, src_y); + + cmd_offset = sti_hqvdp_get_free_cmd(hqvdp); + if (cmd_offset == -1) { + DRM_ERROR("No available hqvdp_cmd now\n"); + return; + } + cmd = hqvdp->hqvdp_cmd + cmd_offset; + + if (!sti_hqvdp_check_hw_scaling(hqvdp, mode, + src_w, src_h, + dst_w, dst_h)) { + DRM_ERROR("Scaling beyond HW capabilities\n"); + return; + } + + /* Static parameters, defaulting to progressive mode */ + cmd->top.config = TOP_CONFIG_PROGRESSIVE; + cmd->top.mem_format = TOP_MEM_FORMAT_DFLT; + cmd->hvsrc.param_ctrl = HVSRC_PARAM_CTRL_DFLT; + cmd->csdi.config = CSDI_CONFIG_PROG; + + /* VC1RE, FMD bypassed : keep everything set to 0 + * IQI/P2I bypassed */ + cmd->iqi.config = IQI_CONFIG_DFLT; + cmd->iqi.con_bri = IQI_CON_BRI_DFLT; + cmd->iqi.sat_gain = IQI_SAT_GAIN_DFLT; + cmd->iqi.pxf_conf = IQI_PXF_CONF_DFLT; + + cma_obj = drm_fb_cma_get_gem_obj(fb, 0); + if (!cma_obj) { + DRM_ERROR("Can't get CMA GEM object for fb\n"); + return; + } + + DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, + (char *)&fb->pixel_format, + (unsigned long)cma_obj->paddr); + + /* Buffer planes address */ + cmd->top.current_luma = (u32)cma_obj->paddr + fb->offsets[0]; + cmd->top.current_chroma = (u32)cma_obj->paddr + fb->offsets[1]; + + /* Pitches */ + cmd->top.luma_processed_pitch = fb->pitches[0]; + cmd->top.luma_src_pitch = fb->pitches[0]; + cmd->top.chroma_processed_pitch = fb->pitches[1]; + cmd->top.chroma_src_pitch = fb->pitches[1]; + + /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); + + if ((src_w > MAX_WIDTH) || (src_w < MIN_WIDTH) || + (src_h > MAX_HEIGHT) || (src_h < MIN_HEIGHT) || + (dst_w > MAX_WIDTH) || (dst_w < MIN_WIDTH) || + (dst_h > MAX_HEIGHT) || (dst_h < MIN_HEIGHT)) { + DRM_ERROR("Invalid in/out size %dx%d -> %dx%d\n", + src_w, src_h, + dst_w, dst_h); + return; + } + + cmd->top.input_viewport_size = src_h << 16 | src_w; + cmd->top.input_frame_size = src_h << 16 | src_w; + cmd->hvsrc.output_picture_size = dst_h << 16 | dst_w; + cmd->top.input_viewport_ori = src_y << 16 | src_x; + + /* Handle interlaced */ + if (fb->flags & DRM_MODE_FB_INTERLACED) { + /* Top field to display */ + cmd->top.config = TOP_CONFIG_INTER_TOP; + + /* Update pitches and vert size */ + cmd->top.input_frame_size = (src_h / 2) << 16 | src_w; + cmd->top.luma_processed_pitch *= 2; + cmd->top.luma_src_pitch *= 2; + cmd->top.chroma_processed_pitch *= 2; + cmd->top.chroma_src_pitch *= 2; + + /* Enable directional deinterlacing processing */ + cmd->csdi.config = CSDI_CONFIG_INTER_DIR; + cmd->csdi.config2 = CSDI_CONFIG2_DFLT; + cmd->csdi.dcdi_config = CSDI_DCDI_CONFIG_DFLT; + } + + /* Update hvsrc lut coef */ + scale_h = SCALE_FACTOR * dst_w / src_w; + sti_hqvdp_update_hvsrc(HVSRC_HORI, scale_h, &cmd->hvsrc); + + scale_v = SCALE_FACTOR * dst_h / src_h; + sti_hqvdp_update_hvsrc(HVSRC_VERT, scale_v, &cmd->hvsrc); + + if (first_prepare) { + /* Prevent VTG shutdown */ + if (clk_prepare_enable(hqvdp->clk_pix_main)) { + DRM_ERROR("Failed to prepare/enable pix main clk\n"); + return; + } + + /* Register VTG Vsync callback to handle bottom fields */ + if (sti_vtg_register_client(hqvdp->vtg, + &hqvdp->vtg_nb, + mixer->id)) { + DRM_ERROR("Cannot register VTG notifier\n"); + return; + } + } + + writel(hqvdp->hqvdp_cmd_paddr + cmd_offset, + hqvdp->regs + HQVDP_MBX_NEXT_CMD); + + hqvdp->curr_field_count++; + + /* Interlaced : get ready to display the bottom field at next Vsync */ + if (fb->flags & DRM_MODE_FB_INTERLACED) + hqvdp->btm_field_pending = true; + + dev_dbg(hqvdp->dev, "%s Posted command:0x%x\n", + __func__, hqvdp->hqvdp_cmd_paddr + cmd_offset); + + plane->status = STI_PLANE_UPDATED; +} + +static void sti_hqvdp_atomic_disable(struct drm_plane *drm_plane, + struct drm_plane_state *oldstate) +{ + struct sti_plane *plane = to_sti_plane(drm_plane); + struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc); + + if (!drm_plane->crtc) { + DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", + drm_plane->base.id); + return; + } + + DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", + drm_plane->crtc->base.id, sti_mixer_to_str(mixer), + drm_plane->base.id, sti_plane_to_str(plane)); + + plane->status = STI_PLANE_DISABLING; +} + +static const struct drm_plane_helper_funcs sti_hqvdp_helpers_funcs = { + .atomic_update = sti_hqvdp_atomic_update, + .atomic_disable = sti_hqvdp_atomic_disable, }; -struct sti_layer *sti_hqvdp_create(struct device *dev) +static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev, + struct device *dev, int desc) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); + int res; + + hqvdp->plane.desc = desc; + hqvdp->plane.status = STI_PLANE_DISABLED; - hqvdp->layer.ops = &hqvdp_ops; + sti_hqvdp_init(hqvdp); - return &hqvdp->layer; + res = drm_universal_plane_init(drm_dev, &hqvdp->plane.drm_plane, 1, + &sti_plane_helpers_funcs, + hqvdp_supported_formats, + ARRAY_SIZE(hqvdp_supported_formats), + DRM_PLANE_TYPE_OVERLAY); + if (res) { + DRM_ERROR("Failed to initialize universal plane\n"); + return NULL; + } + + drm_plane_helper_add(&hqvdp->plane.drm_plane, &sti_hqvdp_helpers_funcs); + + sti_plane_init_property(&hqvdp->plane, DRM_PLANE_TYPE_OVERLAY); + + return &hqvdp->plane.drm_plane; } -EXPORT_SYMBOL(sti_hqvdp_create); static void sti_hqvdp_init_plugs(struct sti_hqvdp *hqvdp) { @@ -859,6 +877,12 @@ static void sti_hqvdp_start_xp70(const struct firmware *firmware, void *ctxt) } *header; DRM_DEBUG_DRIVER("\n"); + + if (hqvdp->xp70_initialized) { + DRM_INFO("HQVDP XP70 already initialized\n"); + return; + } + /* Check firmware parts */ if (!firmware) { DRM_ERROR("Firmware not available\n"); @@ -946,7 +970,10 @@ static void sti_hqvdp_start_xp70(const struct firmware *firmware, void *ctxt) /* Launch Vsync */ writel(SOFT_VSYNC_HW, hqvdp->regs + HQVDP_MBX_SOFT_VSYNC); - DRM_INFO("HQVDP XP70 started\n"); + DRM_INFO("HQVDP XP70 initialized\n"); + + hqvdp->xp70_initialized = true; + out: release_firmware(firmware); } @@ -955,7 +982,7 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) { struct sti_hqvdp *hqvdp = dev_get_drvdata(dev); struct drm_device *drm_dev = data; - struct sti_layer *layer; + struct drm_plane *plane; int err; DRM_DEBUG_DRIVER("\n"); @@ -971,13 +998,10 @@ int sti_hqvdp_bind(struct device *dev, struct device *master, void *data) return err; } - layer = sti_layer_create(hqvdp->dev, STI_HQVDP_0, hqvdp->regs); - if (!layer) { + /* Create HQVDP plane once xp70 is initialized */ + plane = sti_hqvdp_create(drm_dev, hqvdp->dev, STI_HQVDP_0); + if (!plane) DRM_ERROR("Can't create HQVDP plane\n"); - return -ENOMEM; - } - - sti_drm_plane_init(drm_dev, layer, 1, DRM_PLANE_TYPE_OVERLAY); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hqvdp.h b/drivers/gpu/drm/sti/sti_hqvdp.h deleted file mode 100644 index cd5ecd0a6dea..000000000000 --- a/drivers/gpu/drm/sti/sti_hqvdp.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_HQVDP_H_ -#define _STI_HQVDP_H_ - -struct sti_layer *sti_hqvdp_create(struct device *dev); - -#endif diff --git a/drivers/gpu/drm/sti/sti_layer.c b/drivers/gpu/drm/sti/sti_layer.c deleted file mode 100644 index 899104f9d4bc..000000000000 --- a/drivers/gpu/drm/sti/sti_layer.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <drm/drmP.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_fb_cma_helper.h> - -#include "sti_compositor.h" -#include "sti_cursor.h" -#include "sti_gdp.h" -#include "sti_hqvdp.h" -#include "sti_layer.h" -#include "sti_vid.h" - -const char *sti_layer_to_str(struct sti_layer *layer) -{ - switch (layer->desc) { - case STI_GDP_0: - return "GDP0"; - case STI_GDP_1: - return "GDP1"; - case STI_GDP_2: - return "GDP2"; - case STI_GDP_3: - return "GDP3"; - case STI_VID_0: - return "VID0"; - case STI_VID_1: - return "VID1"; - case STI_CURSOR: - return "CURSOR"; - case STI_HQVDP_0: - return "HQVDP0"; - default: - return "<UNKNOWN LAYER>"; - } -} -EXPORT_SYMBOL(sti_layer_to_str); - -struct sti_layer *sti_layer_create(struct device *dev, int desc, - void __iomem *baseaddr) -{ - - struct sti_layer *layer = NULL; - - switch (desc & STI_LAYER_TYPE_MASK) { - case STI_GDP: - layer = sti_gdp_create(dev, desc); - break; - case STI_VID: - layer = sti_vid_create(dev); - break; - case STI_CUR: - layer = sti_cursor_create(dev); - break; - case STI_VDP: - layer = sti_hqvdp_create(dev); - break; - } - - if (!layer) { - DRM_ERROR("Failed to create layer\n"); - return NULL; - } - - layer->desc = desc; - layer->dev = dev; - layer->regs = baseaddr; - - layer->ops->init(layer); - - DRM_DEBUG_DRIVER("%s created\n", sti_layer_to_str(layer)); - - return layer; -} -EXPORT_SYMBOL(sti_layer_create); - -int sti_layer_prepare(struct sti_layer *layer, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, int mixer_id, - int dest_x, int dest_y, int dest_w, int dest_h, - int src_x, int src_y, int src_w, int src_h) -{ - int ret; - unsigned int i; - struct drm_gem_cma_object *cma_obj; - - if (!layer || !fb || !mode) { - DRM_ERROR("Null fb, layer or mode\n"); - return 1; - } - - cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - if (!cma_obj) { - DRM_ERROR("Can't get CMA GEM object for fb\n"); - return 1; - } - - layer->crtc = crtc; - layer->fb = fb; - layer->mode = mode; - layer->mixer_id = mixer_id; - layer->dst_x = dest_x; - layer->dst_y = dest_y; - layer->dst_w = clamp_val(dest_w, 0, mode->crtc_hdisplay - dest_x); - layer->dst_h = clamp_val(dest_h, 0, mode->crtc_vdisplay - dest_y); - layer->src_x = src_x; - layer->src_y = src_y; - layer->src_w = src_w; - layer->src_h = src_h; - layer->format = fb->pixel_format; - layer->vaddr = cma_obj->vaddr; - layer->paddr = cma_obj->paddr; - for (i = 0; i < 4; i++) { - layer->pitches[i] = fb->pitches[i]; - layer->offsets[i] = fb->offsets[i]; - } - - DRM_DEBUG_DRIVER("%s is associated with mixer_id %d\n", - sti_layer_to_str(layer), - layer->mixer_id); - DRM_DEBUG_DRIVER("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n", - sti_layer_to_str(layer), - layer->dst_w, layer->dst_h, layer->dst_x, layer->dst_y, - layer->src_w, layer->src_h, layer->src_x, - layer->src_y); - - DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id, - (char *)&layer->format, (unsigned long)layer->paddr); - - if (!layer->ops->prepare) - goto err_no_prepare; - - ret = layer->ops->prepare(layer, !layer->enabled); - if (!ret) - layer->enabled = true; - - return ret; - -err_no_prepare: - DRM_ERROR("Cannot prepare\n"); - return 1; -} - -int sti_layer_commit(struct sti_layer *layer) -{ - if (!layer) - return 1; - - if (!layer->ops->commit) - goto err_no_commit; - - return layer->ops->commit(layer); - -err_no_commit: - DRM_ERROR("Cannot commit\n"); - return 1; -} - -int sti_layer_disable(struct sti_layer *layer) -{ - int ret; - - DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer)); - if (!layer) - return 1; - - if (!layer->enabled) - return 0; - - if (!layer->ops->disable) - goto err_no_disable; - - ret = layer->ops->disable(layer); - if (!ret) - layer->enabled = false; - else - DRM_ERROR("Disable failed\n"); - - return ret; - -err_no_disable: - DRM_ERROR("Cannot disable\n"); - return 1; -} - -const uint32_t *sti_layer_get_formats(struct sti_layer *layer) -{ - if (!layer) - return NULL; - - if (!layer->ops->get_formats) - return NULL; - - return layer->ops->get_formats(layer); -} - -unsigned int sti_layer_get_nb_formats(struct sti_layer *layer) -{ - if (!layer) - return 0; - - if (!layer->ops->get_nb_formats) - return 0; - - return layer->ops->get_nb_formats(layer); -} diff --git a/drivers/gpu/drm/sti/sti_layer.h b/drivers/gpu/drm/sti/sti_layer.h deleted file mode 100644 index ceff497f557e..000000000000 --- a/drivers/gpu/drm/sti/sti_layer.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#ifndef _STI_LAYER_H_ -#define _STI_LAYER_H_ - -#include <drm/drmP.h> - -#define to_sti_layer(x) container_of(x, struct sti_layer, plane) - -#define STI_LAYER_TYPE_SHIFT 8 -#define STI_LAYER_TYPE_MASK (~((1<<STI_LAYER_TYPE_SHIFT)-1)) - -struct sti_layer; - -enum sti_layer_type { - STI_GDP = 1 << STI_LAYER_TYPE_SHIFT, - STI_VID = 2 << STI_LAYER_TYPE_SHIFT, - STI_CUR = 3 << STI_LAYER_TYPE_SHIFT, - STI_BCK = 4 << STI_LAYER_TYPE_SHIFT, - STI_VDP = 5 << STI_LAYER_TYPE_SHIFT -}; - -enum sti_layer_id_of_type { - STI_ID_0 = 0, - STI_ID_1 = 1, - STI_ID_2 = 2, - STI_ID_3 = 3 -}; - -enum sti_layer_desc { - STI_GDP_0 = STI_GDP | STI_ID_0, - STI_GDP_1 = STI_GDP | STI_ID_1, - STI_GDP_2 = STI_GDP | STI_ID_2, - STI_GDP_3 = STI_GDP | STI_ID_3, - STI_VID_0 = STI_VID | STI_ID_0, - STI_VID_1 = STI_VID | STI_ID_1, - STI_HQVDP_0 = STI_VDP | STI_ID_0, - STI_CURSOR = STI_CUR, - STI_BACK = STI_BCK -}; - -/** - * STI layer functions structure - * - * @get_formats: get layer supported formats - * @get_nb_formats: get number of format supported - * @init: initialize the layer - * @prepare: prepare layer before rendering - * @commit: set layer for rendering - * @disable: disable layer - */ -struct sti_layer_funcs { - const uint32_t* (*get_formats)(struct sti_layer *layer); - unsigned int (*get_nb_formats)(struct sti_layer *layer); - void (*init)(struct sti_layer *layer); - int (*prepare)(struct sti_layer *layer, bool first_prepare); - int (*commit)(struct sti_layer *layer); - int (*disable)(struct sti_layer *layer); -}; - -/** - * STI layer structure - * - * @plane: drm plane it is bound to (if any) - * @fb: drm fb it is bound to - * @crtc: crtc it is bound to - * @mode: display mode - * @desc: layer type & id - * @device: driver device - * @regs: layer registers - * @ops: layer functions - * @zorder: layer z-order - * @mixer_id: id of the mixer used to display the layer - * @enabled: to know if the layer is active or not - * @src_x src_y: coordinates of the input (fb) area - * @src_w src_h: size of the input (fb) area - * @dst_x dst_y: coordinates of the output (crtc) area - * @dst_w dst_h: size of the output (crtc) area - * @format: format - * @pitches: pitch of 'planes' (eg: Y, U, V) - * @offsets: offset of 'planes' - * @vaddr: virtual address of the input buffer - * @paddr: physical address of the input buffer - */ -struct sti_layer { - struct drm_plane plane; - struct drm_framebuffer *fb; - struct drm_crtc *crtc; - struct drm_display_mode *mode; - enum sti_layer_desc desc; - struct device *dev; - void __iomem *regs; - const struct sti_layer_funcs *ops; - int zorder; - int mixer_id; - bool enabled; - int src_x, src_y; - int src_w, src_h; - int dst_x, dst_y; - int dst_w, dst_h; - uint32_t format; - unsigned int pitches[4]; - unsigned int offsets[4]; - void *vaddr; - dma_addr_t paddr; -}; - -struct sti_layer *sti_layer_create(struct device *dev, int desc, - void __iomem *baseaddr); -int sti_layer_prepare(struct sti_layer *layer, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, - int mixer_id, - int dest_x, int dest_y, - int dest_w, int dest_h, - int src_x, int src_y, - int src_w, int src_h); -int sti_layer_commit(struct sti_layer *layer); -int sti_layer_disable(struct sti_layer *layer); -const uint32_t *sti_layer_get_formats(struct sti_layer *layer); -unsigned int sti_layer_get_nb_formats(struct sti_layer *layer); -const char *sti_layer_to_str(struct sti_layer *layer); - -#endif diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index 13a4b84deab6..0182e9365004 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -58,6 +58,7 @@ const char *sti_mixer_to_str(struct sti_mixer *mixer) return "<UNKNOWN MIXER>"; } } +EXPORT_SYMBOL(sti_mixer_to_str); static inline u32 sti_mixer_reg_read(struct sti_mixer *mixer, u32 reg_id) { @@ -101,52 +102,57 @@ static void sti_mixer_set_background_area(struct sti_mixer *mixer, sti_mixer_reg_write(mixer, GAM_MIXER_BCS, yds << 16 | xds); } -int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer) +int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane) { - int layer_id = 0, depth = layer->zorder; + int plane_id, depth = plane->zorder; + unsigned int i; u32 mask, val; - if (depth >= GAM_MIXER_NB_DEPTH_LEVEL) + if ((depth < 1) || (depth > GAM_MIXER_NB_DEPTH_LEVEL)) return 1; - switch (layer->desc) { + switch (plane->desc) { case STI_GDP_0: - layer_id = GAM_DEPTH_GDP0_ID; + plane_id = GAM_DEPTH_GDP0_ID; break; case STI_GDP_1: - layer_id = GAM_DEPTH_GDP1_ID; + plane_id = GAM_DEPTH_GDP1_ID; break; case STI_GDP_2: - layer_id = GAM_DEPTH_GDP2_ID; + plane_id = GAM_DEPTH_GDP2_ID; break; case STI_GDP_3: - layer_id = GAM_DEPTH_GDP3_ID; + plane_id = GAM_DEPTH_GDP3_ID; break; - case STI_VID_0: case STI_HQVDP_0: - layer_id = GAM_DEPTH_VID0_ID; - break; - case STI_VID_1: - layer_id = GAM_DEPTH_VID1_ID; + plane_id = GAM_DEPTH_VID0_ID; break; case STI_CURSOR: /* no need to set depth for cursor */ return 0; default: - DRM_ERROR("Unknown layer %d\n", layer->desc); + DRM_ERROR("Unknown plane %d\n", plane->desc); return 1; } - mask = GAM_DEPTH_MASK_ID << (3 * depth); - layer_id = layer_id << (3 * depth); + + /* Search if a previous depth was already assigned to the plane */ + val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); + for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) { + mask = GAM_DEPTH_MASK_ID << (3 * i); + if ((val & mask) == plane_id << (3 * i)) + break; + } + + mask |= GAM_DEPTH_MASK_ID << (3 * (depth - 1)); + plane_id = plane_id << (3 * (depth - 1)); DRM_DEBUG_DRIVER("%s %s depth=%d\n", sti_mixer_to_str(mixer), - sti_layer_to_str(layer), depth); + sti_plane_to_str(plane), depth); dev_dbg(mixer->dev, "GAM_MIXER_CRB val 0x%x mask 0x%x\n", - layer_id, mask); + plane_id, mask); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); val &= ~mask; - val |= layer_id; + val |= plane_id; sti_mixer_reg_write(mixer, GAM_MIXER_CRB, val); dev_dbg(mixer->dev, "Read GAM_MIXER_CRB 0x%x\n", @@ -176,9 +182,9 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer, return 0; } -static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) +static u32 sti_mixer_get_plane_mask(struct sti_plane *plane) { - switch (layer->desc) { + switch (plane->desc) { case STI_BACK: return GAM_CTL_BACK_MASK; case STI_GDP_0: @@ -189,11 +195,8 @@ static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) return GAM_CTL_GDP2_MASK; case STI_GDP_3: return GAM_CTL_GDP3_MASK; - case STI_VID_0: case STI_HQVDP_0: return GAM_CTL_VID0_MASK; - case STI_VID_1: - return GAM_CTL_VID1_MASK; case STI_CURSOR: return GAM_CTL_CURSOR_MASK; default: @@ -201,17 +204,17 @@ static u32 sti_mixer_get_layer_mask(struct sti_layer *layer) } } -int sti_mixer_set_layer_status(struct sti_mixer *mixer, - struct sti_layer *layer, bool status) +int sti_mixer_set_plane_status(struct sti_mixer *mixer, + struct sti_plane *plane, bool status) { u32 mask, val; DRM_DEBUG_DRIVER("%s %s %s\n", status ? "enable" : "disable", - sti_mixer_to_str(mixer), sti_layer_to_str(layer)); + sti_mixer_to_str(mixer), sti_plane_to_str(plane)); - mask = sti_mixer_get_layer_mask(layer); + mask = sti_mixer_get_plane_mask(plane); if (!mask) { - DRM_ERROR("Can not find layer mask\n"); + DRM_ERROR("Can't find layer mask\n"); return -EINVAL; } @@ -223,15 +226,6 @@ int sti_mixer_set_layer_status(struct sti_mixer *mixer, return 0; } -void sti_mixer_clear_all_layers(struct sti_mixer *mixer) -{ - u32 val; - - DRM_DEBUG_DRIVER("%s clear all layer\n", sti_mixer_to_str(mixer)); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL) & 0xFFFF0000; - sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val); -} - void sti_mixer_set_matrix(struct sti_mixer *mixer) { unsigned int i; diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h index b97282182908..efb1a9a5ba86 100644 --- a/drivers/gpu/drm/sti/sti_mixer.h +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -11,10 +11,16 @@ #include <drm/drmP.h> -#include "sti_layer.h" +#include "sti_plane.h" #define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc) +enum sti_mixer_status { + STI_MIXER_READY, + STI_MIXER_DISABLING, + STI_MIXER_DISABLED, +}; + /** * STI Mixer subdevice structure * @@ -23,33 +29,32 @@ * @id: id of the mixer * @drm_crtc: crtc object link to the mixer * @pending_event: set if a flip event is pending on crtc - * @enabled: to know if the mixer is active or not + * @status: to know the status of the mixer */ struct sti_mixer { struct device *dev; void __iomem *regs; int id; - struct drm_crtc drm_crtc; + struct drm_crtc drm_crtc; struct drm_pending_vblank_event *pending_event; - bool enabled; + enum sti_mixer_status status; }; const char *sti_mixer_to_str(struct sti_mixer *mixer); struct sti_mixer *sti_mixer_create(struct device *dev, int id, - void __iomem *baseaddr); + void __iomem *baseaddr); -int sti_mixer_set_layer_status(struct sti_mixer *mixer, - struct sti_layer *layer, bool status); -void sti_mixer_clear_all_layers(struct sti_mixer *mixer); -int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer); +int sti_mixer_set_plane_status(struct sti_mixer *mixer, + struct sti_plane *plane, bool status); +int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane); int sti_mixer_active_video_area(struct sti_mixer *mixer, - struct drm_display_mode *mode); + struct drm_display_mode *mode); void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); /* depth in Cross-bar control = z order */ -#define GAM_MIXER_NB_DEPTH_LEVEL 7 +#define GAM_MIXER_NB_DEPTH_LEVEL 6 #define STI_MIXER_MAIN 0 #define STI_MIXER_AUX 1 diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c new file mode 100644 index 000000000000..d5c5e91f2956 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_plane.c @@ -0,0 +1,122 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> + * Fabien Dessenne <fabien.dessenne@st.com> + * for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#include <drm/drmP.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_gem_cma_helper.h> + +#include "sti_compositor.h" +#include "sti_drv.h" +#include "sti_plane.h" + +/* (Background) < GDP0 < GDP1 < HQVDP0 < GDP2 < GDP3 < (ForeGround) */ +enum sti_plane_desc sti_plane_default_zorder[] = { + STI_GDP_0, + STI_GDP_1, + STI_HQVDP_0, + STI_GDP_2, + STI_GDP_3, +}; + +const char *sti_plane_to_str(struct sti_plane *plane) +{ + switch (plane->desc) { + case STI_GDP_0: + return "GDP0"; + case STI_GDP_1: + return "GDP1"; + case STI_GDP_2: + return "GDP2"; + case STI_GDP_3: + return "GDP3"; + case STI_HQVDP_0: + return "HQVDP0"; + case STI_CURSOR: + return "CURSOR"; + default: + return "<UNKNOWN PLANE>"; + } +} +EXPORT_SYMBOL(sti_plane_to_str); + +static void sti_plane_destroy(struct drm_plane *drm_plane) +{ + DRM_DEBUG_DRIVER("\n"); + + drm_plane_helper_disable(drm_plane); + drm_plane_cleanup(drm_plane); +} + +static int sti_plane_set_property(struct drm_plane *drm_plane, + struct drm_property *property, + uint64_t val) +{ + struct drm_device *dev = drm_plane->dev; + struct sti_private *private = dev->dev_private; + struct sti_plane *plane = to_sti_plane(drm_plane); + + DRM_DEBUG_DRIVER("\n"); + + if (property == private->plane_zorder_property) { + plane->zorder = val; + return 0; + } + + return -EINVAL; +} + +static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane) +{ + struct drm_device *dev = drm_plane->dev; + struct sti_private *private = dev->dev_private; + struct sti_plane *plane = to_sti_plane(drm_plane); + struct drm_property *prop; + + prop = private->plane_zorder_property; + if (!prop) { + prop = drm_property_create_range(dev, 0, "zpos", 1, + GAM_MIXER_NB_DEPTH_LEVEL); + if (!prop) + return; + + private->plane_zorder_property = prop; + } + + drm_object_attach_property(&drm_plane->base, prop, plane->zorder); +} + +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sti_plane_default_zorder); i++) + if (sti_plane_default_zorder[i] == plane->desc) + break; + + plane->zorder = i + 1; + + if (type == DRM_PLANE_TYPE_OVERLAY) + sti_plane_attach_zorder_property(&plane->drm_plane); + + DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%d\n", + plane->drm_plane.base.id, + sti_plane_to_str(plane), plane->zorder); +} +EXPORT_SYMBOL(sti_plane_init_property); + +struct drm_plane_funcs sti_plane_helpers_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = sti_plane_destroy, + .set_property = sti_plane_set_property, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; +EXPORT_SYMBOL(sti_plane_helpers_funcs); diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h new file mode 100644 index 000000000000..86f1e6fc81b9 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_plane.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) STMicroelectronics SA 2014 + * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef _STI_PLANE_H_ +#define _STI_PLANE_H_ + +#include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> + +extern struct drm_plane_funcs sti_plane_helpers_funcs; + +#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) + +#define STI_PLANE_TYPE_SHIFT 8 +#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) + +enum sti_plane_type { + STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, + STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, + STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, + STI_BCK = 4 << STI_PLANE_TYPE_SHIFT +}; + +enum sti_plane_id_of_type { + STI_ID_0 = 0, + STI_ID_1 = 1, + STI_ID_2 = 2, + STI_ID_3 = 3 +}; + +enum sti_plane_desc { + STI_GDP_0 = STI_GDP | STI_ID_0, + STI_GDP_1 = STI_GDP | STI_ID_1, + STI_GDP_2 = STI_GDP | STI_ID_2, + STI_GDP_3 = STI_GDP | STI_ID_3, + STI_HQVDP_0 = STI_VDP | STI_ID_0, + STI_CURSOR = STI_CUR, + STI_BACK = STI_BCK +}; + +enum sti_plane_status { + STI_PLANE_READY, + STI_PLANE_UPDATED, + STI_PLANE_DISABLING, + STI_PLANE_FLUSHING, + STI_PLANE_DISABLED, +}; + +/** + * STI plane structure + * + * @plane: drm plane it is bound to (if any) + * @desc: plane type & id + * @status: to know the status of the plane + * @zorder: plane z-order + */ +struct sti_plane { + struct drm_plane drm_plane; + enum sti_plane_desc desc; + enum sti_plane_status status; + int zorder; +}; + +const char *sti_plane_to_str(struct sti_plane *plane); +void sti_plane_init_property(struct sti_plane *plane, + enum drm_plane_type type); +#endif diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c index 5cc53116508e..c1aac8e66fb5 100644 --- a/drivers/gpu/drm/sti/sti_tvout.c +++ b/drivers/gpu/drm/sti/sti_tvout.c @@ -16,7 +16,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> -#include "sti_drm_crtc.h" +#include "sti_crtc.h" /* glue registers */ #define TVO_CSC_MAIN_M0 0x000 @@ -473,7 +473,7 @@ static void sti_dvo_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_dvo_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_dvo_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_dvo_encoder_disable(struct drm_encoder *encoder) @@ -523,7 +523,7 @@ static void sti_hda_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_hda_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_hda_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hda_encoder_disable(struct drm_encoder *encoder) @@ -575,7 +575,7 @@ static void sti_hdmi_encoder_commit(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - tvout_hdmi_start(tvout, sti_drm_crtc_is_main(encoder->crtc)); + tvout_hdmi_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hdmi_encoder_disable(struct drm_encoder *encoder) @@ -644,7 +644,6 @@ static int sti_tvout_bind(struct device *dev, struct device *master, void *data) struct sti_tvout *tvout = dev_get_drvdata(dev); struct drm_device *drm_dev = data; unsigned int i; - int ret; tvout->drm_dev = drm_dev; @@ -658,17 +657,15 @@ static int sti_tvout_bind(struct device *dev, struct device *master, void *data) sti_tvout_create_encoders(drm_dev, tvout); - ret = component_bind_all(dev, drm_dev); - if (ret) - sti_tvout_destroy_encoders(tvout); - - return ret; + return 0; } static void sti_tvout_unbind(struct device *dev, struct device *master, void *data) { - /* do nothing */ + struct sti_tvout *tvout = dev_get_drvdata(dev); + + sti_tvout_destroy_encoders(tvout); } static const struct component_ops sti_tvout_ops = { @@ -676,34 +673,12 @@ static const struct component_ops sti_tvout_ops = { .unbind = sti_tvout_unbind, }; -static int compare_of(struct device *dev, void *data) -{ - return dev->of_node == data; -} - -static int sti_tvout_master_bind(struct device *dev) -{ - return 0; -} - -static void sti_tvout_master_unbind(struct device *dev) -{ - /* do nothing */ -} - -static const struct component_master_ops sti_tvout_master_ops = { - .bind = sti_tvout_master_bind, - .unbind = sti_tvout_master_unbind, -}; - static int sti_tvout_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct sti_tvout *tvout; struct resource *res; - struct device_node *child_np; - struct component_match *match = NULL; DRM_INFO("%s\n", __func__); @@ -734,24 +709,11 @@ static int sti_tvout_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tvout); - of_platform_populate(node, NULL, NULL, dev); - - child_np = of_get_next_available_child(node, NULL); - - while (child_np) { - component_match_add(dev, &match, compare_of, child_np); - of_node_put(child_np); - child_np = of_get_next_available_child(node, child_np); - } - - component_master_add_with_match(dev, &sti_tvout_master_ops, match); - return component_add(dev, &sti_tvout_ops); } static int sti_tvout_remove(struct platform_device *pdev) { - component_master_del(&pdev->dev, &sti_tvout_master_ops); component_del(&pdev->dev, &sti_tvout_ops); return 0; } diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c index 10ced6a479f4..a8254cc362a1 100644 --- a/drivers/gpu/drm/sti/sti_vid.c +++ b/drivers/gpu/drm/sti/sti_vid.c @@ -6,7 +6,7 @@ #include <drm/drmP.h> -#include "sti_layer.h" +#include "sti_plane.h" #include "sti_vid.h" #include "sti_vtg.h" @@ -43,35 +43,37 @@ #define VID_MPR2_BT709 0x07150545 #define VID_MPR3_BT709 0x00000AE8 -static int sti_vid_prepare_layer(struct sti_layer *vid, bool first_prepare) +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state) { - u32 val; + struct drm_crtc *crtc = state->crtc; + struct drm_display_mode *mode = &crtc->mode; + int dst_x = state->crtc_x; + int dst_y = state->crtc_y; + int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x); + int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y); + u32 val, ydo, xdo, yds, xds; + + /* Input / output size + * Align to upper even value */ + dst_w = ALIGN(dst_w, 2); + dst_h = ALIGN(dst_h, 2); /* Unmask */ val = readl(vid->regs + VID_CTL); val &= ~VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL); - return 0; -} - -static int sti_vid_commit_layer(struct sti_layer *vid) -{ - struct drm_display_mode *mode = vid->mode; - u32 ydo, xdo, yds, xds; - - ydo = sti_vtg_get_line_number(*mode, vid->dst_y); - yds = sti_vtg_get_line_number(*mode, vid->dst_y + vid->dst_h - 1); - xdo = sti_vtg_get_pixel_number(*mode, vid->dst_x); - xds = sti_vtg_get_pixel_number(*mode, vid->dst_x + vid->dst_w - 1); + ydo = sti_vtg_get_line_number(*mode, dst_y); + yds = sti_vtg_get_line_number(*mode, dst_y + dst_h - 1); + xdo = sti_vtg_get_pixel_number(*mode, dst_x); + xds = sti_vtg_get_pixel_number(*mode, dst_x + dst_w - 1); writel((ydo << 16) | xdo, vid->regs + VID_VPO); writel((yds << 16) | xds, vid->regs + VID_VPS); - - return 0; } -static int sti_vid_disable_layer(struct sti_layer *vid) +void sti_vid_disable(struct sti_vid *vid) { u32 val; @@ -79,21 +81,9 @@ static int sti_vid_disable_layer(struct sti_layer *vid) val = readl(vid->regs + VID_CTL); val |= VID_CTL_IGNORE; writel(val, vid->regs + VID_CTL); - - return 0; } -static const uint32_t *sti_vid_get_formats(struct sti_layer *layer) -{ - return NULL; -} - -static unsigned int sti_vid_get_nb_formats(struct sti_layer *layer) -{ - return 0; -} - -static void sti_vid_init(struct sti_layer *vid) +static void sti_vid_init(struct sti_vid *vid) { /* Enable PSI, Mask layer */ writel(VID_CTL_PSI_ENABLE | VID_CTL_IGNORE, vid->regs + VID_CTL); @@ -113,18 +103,10 @@ static void sti_vid_init(struct sti_layer *vid) writel(VID_CSAT_DFLT, vid->regs + VID_CSAT); } -static const struct sti_layer_funcs vid_ops = { - .get_formats = sti_vid_get_formats, - .get_nb_formats = sti_vid_get_nb_formats, - .init = sti_vid_init, - .prepare = sti_vid_prepare_layer, - .commit = sti_vid_commit_layer, - .disable = sti_vid_disable_layer, -}; - -struct sti_layer *sti_vid_create(struct device *dev) +struct sti_vid *sti_vid_create(struct device *dev, int id, + void __iomem *baseaddr) { - struct sti_layer *vid; + struct sti_vid *vid; vid = devm_kzalloc(dev, sizeof(*vid), GFP_KERNEL); if (!vid) { @@ -132,7 +114,11 @@ struct sti_layer *sti_vid_create(struct device *dev) return NULL; } - vid->ops = &vid_ops; + vid->dev = dev; + vid->regs = baseaddr; + vid->id = id; + + sti_vid_init(vid); return vid; } diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h index 2c0aecd63294..5dea4791f1d6 100644 --- a/drivers/gpu/drm/sti/sti_vid.h +++ b/drivers/gpu/drm/sti/sti_vid.h @@ -7,6 +7,23 @@ #ifndef _STI_VID_H_ #define _STI_VID_H_ -struct sti_layer *sti_vid_create(struct device *dev); +/** + * STI VID structure + * + * @dev: driver device + * @regs: vid registers + * @id: id of the vid + */ +struct sti_vid { + struct device *dev; + void __iomem *regs; + int id; +}; + +void sti_vid_commit(struct sti_vid *vid, + struct drm_plane_state *state); +void sti_vid_disable(struct sti_vid *vid); +struct sti_vid *sti_vid_create(struct device *dev, int id, + void __iomem *baseaddr); #endif |