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 \
sticompositor.o \
sti_hqvdp.o \
stidvo.o \
- sti_drm_drv.o
+ sti_drv.o
#include <drm/drmP.h>
#include "sti_compositor.h"
+#include "sti_crtc.h"
#include "sti_cursor.h"
-#include "sti_drm_crtc.h"
-#include "sti_drm_drv.h"
-#include "sti_drm_plane.h"
+#include "sti_drv.h"
#include "sti_gdp.h"
+#include "sti_plane.h"
#include "sti_vid.h"
#include "sti_vtg.h"
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, plane_id = 0;
- struct sti_drm_private *dev_priv = drm_dev->dev_private;
+ 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;
DRM_ERROR("Can't create CURSOR plane\n");
break;
}
- cursor = sti_drm_plane_init(drm_dev, plane, 1,
- DRM_PLANE_TYPE_CURSOR);
+ cursor = sti_plane_init(drm_dev, plane, 1,
+ DRM_PLANE_TYPE_CURSOR);
plane_id++;
break;
case STI_GPD_SUBDEV:
DRM_ERROR("Can't create GDP plane\n");
break;
}
- primary = sti_drm_plane_init(drm_dev, plane,
- (1 << mixer_id) - 1,
- plane_type);
+ primary = sti_plane_init(drm_dev, plane,
+ (1 << mixer_id) - 1,
+ plane_type);
plane_id++;
break;
default:
/* The first planes are reserved for primary planes*/
if (crtc_id < mixer_id && primary) {
- sti_drm_crtc_init(drm_dev, compo->mixer[crtc_id],
- primary, cursor);
+ sti_crtc_init(drm_dev, compo->mixer[crtc_id],
+ primary, cursor);
crtc_id++;
cursor = NULL;
primary = NULL;
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);
#include <linux/clk.h>
#include <linux/kernel.h>
-#include "sti_drm_plane.h"
#include "sti_mixer.h"
+#include "sti_plane.h"
#define WAIT_NEXT_VSYNC_MS 50 /*ms*/
--- /dev/null
+/*
+ * 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 <linux/clk.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#include "sti_compositor.h"
+#include "sti_crtc.h"
+#include "sti_drv.h"
+#include "sti_vtg.h"
+
+static void sti_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ DRM_DEBUG_KMS("\n");
+}
+
+static void sti_crtc_prepare(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;
+
+ /* Prepare and enable the compo IP clock */
+ if (mixer->id == STI_MIXER_MAIN) {
+ if (clk_prepare_enable(compo->clk_compo_main))
+ DRM_INFO("Failed to prepare/enable compo_main clk\n");
+ } else {
+ if (clk_prepare_enable(compo->clk_compo_aux))
+ DRM_INFO("Failed to prepare/enable compo_aux clk\n");
+ }
+
+ sti_mixer_clear_all_planes(mixer);
+}
+
+static void sti_crtc_commit(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_plane *plane;
+
+ if ((!mixer || !compo)) {
+ DRM_ERROR("Can't find mixer or compositor)\n");
+ return;
+ }
+
+ /* get GDP which is reserved to the CRTC FB */
+ plane = to_sti_plane(crtc->primary);
+ if (!plane)
+ DRM_ERROR("Can't find CRTC dedicated plane (GDP0)\n");
+
+ /* Enable plane on mixer */
+ if (sti_mixer_set_plane_status(mixer, plane, true))
+ DRM_ERROR("Cannot enable plane at mixer\n");
+
+ drm_crtc_vblank_on(crtc);
+}
+
+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_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;
+ struct sti_compositor *compo = dev_get_drvdata(dev);
+ struct clk *clk;
+ int rate = mode->clock * 1000;
+ int res;
+
+ DRM_DEBUG_KMS("CRTC:%d (%s) mode:%d (%s)\n",
+ crtc->base.id, sti_mixer_to_str(mixer),
+ mode->base.id, mode->name);
+
+ DRM_DEBUG_KMS("%d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
+ mode->vrefresh, mode->clock,
+ mode->hdisplay,
+ mode->hsync_start, mode->hsync_end,
+ mode->htotal,
+ mode->vdisplay,
+ mode->vsync_start, mode->vsync_end,
+ mode->vtotal, mode->type, mode->flags);
+
+ /* Set rate and prepare/enable pixel clock */
+ if (mixer->id == STI_MIXER_MAIN)
+ clk = compo->clk_pix_main;
+ else
+ clk = compo->clk_pix_aux;
+
+ res = clk_set_rate(clk, rate);
+ if (res < 0) {
+ DRM_ERROR("Cannot set rate (%dHz) for pix clk\n", rate);
+ return -EINVAL;
+ }
+ if (clk_prepare_enable(clk)) {
+ DRM_ERROR("Failed to prepare/enable pix clk\n");
+ return -EINVAL;
+ }
+
+ sti_vtg_set_config(mixer->id == STI_MIXER_MAIN ?
+ compo->vtg_main : compo->vtg_aux, &crtc->mode);
+
+ res = sti_mixer_active_video_area(mixer, &crtc->mode);
+ if (res) {
+ DRM_ERROR("Can't set active video area\n");
+ return -EINVAL;
+ }
+
+ return res;
+}
+
+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 */
+ sti_mixer_set_background_status(mixer, false);
+
+ drm_crtc_vblank_off(crtc);
+
+ /* Disable pixel clock and compo IP clocks */
+ if (mixer->id == STI_MIXER_MAIN) {
+ clk_disable_unprepare(compo->clk_pix_main);
+ clk_disable_unprepare(compo->clk_compo_main);
+ } else {
+ clk_disable_unprepare(compo->clk_pix_aux);
+ clk_disable_unprepare(compo->clk_compo_aux);
+ }
+
+ mixer->enabled = false;
+}
+
+static void
+sti_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+ sti_crtc_prepare(crtc);
+ sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode);
+}
+
+static void sti_crtc_atomic_begin(struct drm_crtc *crtc)
+{
+ struct sti_mixer *mixer = to_sti_mixer(crtc);
+
+ if (crtc->state->event) {
+ crtc->state->event->pipe = drm_crtc_index(crtc);
+
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0);
+
+ mixer->pending_event = crtc->state->event;
+ crtc->state->event = NULL;
+ }
+}
+
+static void sti_crtc_atomic_flush(struct drm_crtc *crtc)
+{
+}
+
+static struct drm_crtc_helper_funcs sti_crtc_helper_funcs = {
+ .dpms = sti_crtc_dpms,
+ .prepare = sti_crtc_prepare,
+ .commit = sti_crtc_commit,
+ .mode_fixup = sti_crtc_mode_fixup,
+ .mode_set = drm_helper_crtc_mode_set,
+ .mode_set_nofb = sti_crtc_mode_set_nofb,
+ .mode_set_base = drm_helper_crtc_mode_set_base,
+ .disable = sti_crtc_disable,
+ .atomic_begin = sti_crtc_atomic_begin,
+ .atomic_flush = sti_crtc_atomic_flush,
+};
+
+static void sti_crtc_destroy(struct drm_crtc *crtc)
+{
+ DRM_DEBUG_KMS("\n");
+ drm_crtc_cleanup(crtc);
+}
+
+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_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_private *priv;
+
+ drm_dev = compo->mixer[*crtc]->drm_crtc.dev;
+ priv = drm_dev->dev_private;
+
+ if ((event != VTG_TOP_FIELD_EVENT) &&
+ (event != VTG_BOTTOM_FIELD_EVENT)) {
+ DRM_ERROR("unknown event: %lu\n", event);
+ return -EINVAL;
+ }
+
+ drm_handle_vblank(drm_dev, *crtc);
+
+ 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);
+ drm_vblank_put(drm_dev, *crtc);
+ compo->mixer[*crtc]->pending_event = NULL;
+ }
+ spin_unlock_irqrestore(&drm_dev->event_lock, flags);
+
+ return 0;
+}
+
+int sti_crtc_enable_vblank(struct drm_device *dev, int crtc)
+{
+ 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)) {
+ DRM_ERROR("Cannot register VTG notifier\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(sti_crtc_enable_vblank);
+
+void sti_crtc_disable_vblank(struct drm_device *dev, int crtc)
+{
+ struct sti_private *priv = dev->dev_private;
+ struct sti_compositor *compo = priv->compo;
+ struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ if (sti_vtg_unregister_client(crtc == STI_MIXER_MAIN ?
+ compo->vtg_main : compo->vtg_aux, vtg_vblank_nb))
+ DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
+
+ /* free the resources of the pending requests */
+ if (compo->mixer[crtc]->pending_event) {
+ drm_vblank_put(dev, crtc);
+ compo->mixer[crtc]->pending_event = NULL;
+ }
+}
+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_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_crtc_is_main(struct drm_crtc *crtc)
+{
+ struct sti_mixer *mixer = to_sti_mixer(crtc);
+
+ if (mixer->id == STI_MIXER_MAIN)
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(sti_crtc_is_main);
+
+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);
+ if (res) {
+ DRM_ERROR("Can't initialze CRTC\n");
+ return -EINVAL;
+ }
+
+ drm_crtc_helper_add(crtc, &sti_crtc_helper_funcs);
+
+ DRM_DEBUG_DRIVER("drm CRTC:%d mapped to %s\n",
+ crtc->base.id, sti_mixer_to_str(mixer));
+
+ return 0;
+}
--- /dev/null
+/*
+ * 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
#include <drm/drmP.h>
#include "sti_cursor.h"
-#include "sti_drm_plane.h"
+#include "sti_plane.h"
#include "sti_vtg.h"
/* Registers */
+++ /dev/null
-/*
- * 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 <linux/clk.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_plane_helper.h>
-
-#include "sti_compositor.h"
-#include "sti_drm_drv.h"
-#include "sti_drm_crtc.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)
-{
- struct sti_mixer *mixer = to_sti_mixer(crtc);
- struct device *dev = mixer->dev;
- struct sti_compositor *compo = dev_get_drvdata(dev);
-
- mixer->enabled = true;
-
- /* Prepare and enable the compo IP clock */
- if (mixer->id == STI_MIXER_MAIN) {
- if (clk_prepare_enable(compo->clk_compo_main))
- DRM_INFO("Failed to prepare/enable compo_main clk\n");
- } else {
- if (clk_prepare_enable(compo->clk_compo_aux))
- DRM_INFO("Failed to prepare/enable compo_aux clk\n");
- }
-
- sti_mixer_clear_all_planes(mixer);
-}
-
-static void sti_drm_crtc_commit(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_plane *plane;
-
- if ((!mixer || !compo)) {
- DRM_ERROR("Can't find mixer or compositor)\n");
- return;
- }
-
- /* get GDP which is reserved to the CRTC FB */
- plane = to_sti_plane(crtc->primary);
- if (!plane)
- DRM_ERROR("Can't find CRTC dedicated plane (GDP0)\n");
-
- /* Enable plane on mixer */
- if (sti_mixer_set_plane_status(mixer, plane, true))
- DRM_ERROR("Cannot enable plane at mixer\n");
-
- drm_crtc_vblank_on(crtc);
-}
-
-static bool sti_drm_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)
-{
- struct sti_mixer *mixer = to_sti_mixer(crtc);
- struct device *dev = mixer->dev;
- struct sti_compositor *compo = dev_get_drvdata(dev);
- struct clk *clk;
- int rate = mode->clock * 1000;
- int res;
-
- DRM_DEBUG_KMS("CRTC:%d (%s) mode:%d (%s)\n",
- crtc->base.id, sti_mixer_to_str(mixer),
- mode->base.id, mode->name);
-
- DRM_DEBUG_KMS("%d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
- mode->vrefresh, mode->clock,
- mode->hdisplay,
- mode->hsync_start, mode->hsync_end,
- mode->htotal,
- mode->vdisplay,
- mode->vsync_start, mode->vsync_end,
- mode->vtotal, mode->type, mode->flags);
-
- /* Set rate and prepare/enable pixel clock */
- if (mixer->id == STI_MIXER_MAIN)
- clk = compo->clk_pix_main;
- else
- clk = compo->clk_pix_aux;
-
- res = clk_set_rate(clk, rate);
- if (res < 0) {
- DRM_ERROR("Cannot set rate (%dHz) for pix clk\n", rate);
- return -EINVAL;
- }
- if (clk_prepare_enable(clk)) {
- DRM_ERROR("Failed to prepare/enable pix clk\n");
- return -EINVAL;
- }
-
- sti_vtg_set_config(mixer->id == STI_MIXER_MAIN ?
- compo->vtg_main : compo->vtg_aux, &crtc->mode);
-
- res = sti_mixer_active_video_area(mixer, &crtc->mode);
- if (res) {
- DRM_ERROR("Can't set active video area\n");
- return -EINVAL;
- }
-
- return res;
-}
-
-static void sti_drm_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 */
- sti_mixer_set_background_status(mixer, false);
-
- drm_crtc_vblank_off(crtc);
-
- /* Disable pixel clock and compo IP clocks */
- if (mixer->id == STI_MIXER_MAIN) {
- clk_disable_unprepare(compo->clk_pix_main);
- clk_disable_unprepare(compo->clk_compo_main);
- } else {
- clk_disable_unprepare(compo->clk_pix_aux);
- clk_disable_unprepare(compo->clk_compo_aux);
- }
-
- mixer->enabled = false;
-}
-
-static void
-sti_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
-{
- sti_drm_crtc_prepare(crtc);
- sti_drm_crtc_mode_set(crtc, &crtc->state->adjusted_mode);
-}
-
-static void sti_drm_crtc_atomic_begin(struct drm_crtc *crtc)
-{
- struct sti_mixer *mixer = to_sti_mixer(crtc);
-
- if (crtc->state->event) {
- crtc->state->event->pipe = drm_crtc_index(crtc);
-
- WARN_ON(drm_crtc_vblank_get(crtc) != 0);
-
- mixer->pending_event = crtc->state->event;
- crtc->state->event = NULL;
- }
-}
-
-static void sti_drm_crtc_atomic_flush(struct drm_crtc *crtc)
-{
-}
-
-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,
- .mode_set = drm_helper_crtc_mode_set,
- .mode_set_nofb = sti_drm_crtc_mode_set_nofb,
- .mode_set_base = drm_helper_crtc_mode_set_base,
- .disable = sti_drm_crtc_disable,
- .atomic_begin = sti_drm_crtc_atomic_begin,
- .atomic_flush = sti_drm_crtc_atomic_flush,
-};
-
-static void sti_drm_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)
-{
- DRM_DEBUG_KMS("\n");
- return 0;
-}
-
-int sti_drm_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;
-
- drm_dev = compo->mixer[*crtc]->drm_crtc.dev;
- priv = drm_dev->dev_private;
-
- if ((event != VTG_TOP_FIELD_EVENT) &&
- (event != VTG_BOTTOM_FIELD_EVENT)) {
- DRM_ERROR("unknown event: %lu\n", event);
- return -EINVAL;
- }
-
- drm_handle_vblank(drm_dev, *crtc);
-
- 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);
- drm_vblank_put(drm_dev, *crtc);
- compo->mixer[*crtc]->pending_event = NULL;
- }
- spin_unlock_irqrestore(&drm_dev->event_lock, flags);
-
- return 0;
-}
-
-int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc)
-{
- struct sti_drm_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)) {
- DRM_ERROR("Cannot register VTG notifier\n");
- return -EINVAL;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(sti_drm_crtc_enable_vblank);
-
-void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
-{
- struct sti_drm_private *priv = dev->dev_private;
- struct sti_compositor *compo = priv->compo;
- struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb;
-
- DRM_DEBUG_DRIVER("\n");
-
- if (sti_vtg_unregister_client(crtc == STI_MIXER_MAIN ?
- compo->vtg_main : compo->vtg_aux, vtg_vblank_nb))
- DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
-
- /* free the resources of the pending requests */
- if (compo->mixer[crtc]->pending_event) {
- drm_vblank_put(dev, crtc);
- compo->mixer[crtc]->pending_event = NULL;
- }
-}
-EXPORT_SYMBOL(sti_drm_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,
- .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)
-{
- struct sti_mixer *mixer = to_sti_mixer(crtc);
-
- if (mixer->id == STI_MIXER_MAIN)
- return true;
-
- return false;
-}
-EXPORT_SYMBOL(sti_drm_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)
-{
- struct drm_crtc *crtc = &mixer->drm_crtc;
- int res;
-
- res = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
- &sti_crtc_funcs);
- if (res) {
- DRM_ERROR("Can't initialze CRTC\n");
- return -EINVAL;
- }
-
- drm_crtc_helper_add(crtc, &sti_crtc_helper_funcs);
-
- DRM_DEBUG_DRIVER("drm CRTC:%d mapped to %s\n",
- crtc->base.id, sti_mixer_to_str(mixer));
-
- return 0;
-}
+++ /dev/null
-/*
- * 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
+++ /dev/null
-/*
- * Copyright (C) STMicroelectronics SA 2014
- * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
- * License terms: GNU General Public License (GPL), version 2
- */
-
-#include <drm/drmP.h>
-
-#include <linux/component.h>
-#include <linux/debugfs.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_fb_cma_helper.h>
-
-#include "sti_drm_drv.h"
-#include "sti_drm_crtc.h"
-
-#define DRIVER_NAME "sti"
-#define DRIVER_DESC "STMicroelectronics SoC DRM"
-#define DRIVER_DATE "20140601"
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 0
-
-#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)
-{
- 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)
-{
- struct drm_device *drm = private->drm_dev;
-
- /*
- * Everything below can be run asynchronously without the need to grab
- * any modeset locks at all under one condition: It must be guaranteed
- * that the asynchronous work has either been cancelled (if the driver
- * supports it, which at least requires that the framebuffers get
- * cleaned up with drm_atomic_helper_cleanup_planes()) or completed
- * before the new state gets committed on the software side with
- * drm_atomic_helper_swap_state().
- *
- * This scheme allows new atomic state updates to be prepared and
- * checked in parallel to the asynchronous completion of the previous
- * update. Which is important since compositors need to figure out the
- * composition of the next frame right after having submitted the
- * current layout.
- */
-
- drm_atomic_helper_commit_modeset_disables(drm, state);
- drm_atomic_helper_commit_planes(drm, state);
- drm_atomic_helper_commit_modeset_enables(drm, state);
-
- drm_atomic_helper_wait_for_vblanks(drm, state);
-
- drm_atomic_helper_cleanup_planes(drm, state);
- drm_atomic_state_free(state);
-}
-
-static void sti_drm_atomic_work(struct work_struct *work)
-{
- struct sti_drm_private *private = container_of(work,
- struct sti_drm_private, commit.work);
-
- sti_drm_atomic_complete(private, private->commit.state);
-}
-
-static int sti_drm_atomic_commit(struct drm_device *drm,
- struct drm_atomic_state *state, bool async)
-{
- struct sti_drm_private *private = drm->dev_private;
- int err;
-
- err = drm_atomic_helper_prepare_planes(drm, state);
- if (err)
- return err;
-
- /* serialize outstanding asynchronous commits */
- mutex_lock(&private->commit.lock);
- flush_work(&private->commit.work);
-
- /*
- * This is the point of no return - everything below never fails except
- * when the hw goes bonghits. Which means we can commit the new state on
- * the software side now.
- */
-
- drm_atomic_helper_swap_state(drm, state);
-
- if (async)
- sti_drm_atomic_schedule(private, state);
- else
- sti_drm_atomic_complete(private, state);
-
- mutex_unlock(&private->commit.lock);
- return 0;
-}
-
-static struct drm_mode_config_funcs sti_drm_mode_config_funcs = {
- .fb_create = drm_fb_cma_create,
- .atomic_check = drm_atomic_helper_check,
- .atomic_commit = sti_drm_atomic_commit,
-};
-
-static void sti_drm_mode_config_init(struct drm_device *dev)
-{
- dev->mode_config.min_width = 0;
- dev->mode_config.min_height = 0;
-
- /*
- * set max width and height as default value.
- * this value would be used to check framebuffer size limitation
- * at drm_mode_addfb().
- */
- 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;
-}
-
-static int sti_drm_load(struct drm_device *dev, unsigned long flags)
-{
- struct sti_drm_private *private;
- int ret;
-
- private = kzalloc(sizeof(struct sti_drm_private), GFP_KERNEL);
- if (!private) {
- DRM_ERROR("Failed to allocate private\n");
- return -ENOMEM;
- }
- dev->dev_private = (void *)private;
- private->drm_dev = dev;
-
- mutex_init(&private->commit.lock);
- INIT_WORK(&private->commit.work, sti_drm_atomic_work);
-
- drm_mode_config_init(dev);
- drm_kms_helper_poll_init(dev);
-
- sti_drm_mode_config_init(dev);
-
- ret = component_bind_all(dev->dev, dev);
- if (ret) {
- drm_kms_helper_poll_fini(dev);
- drm_mode_config_cleanup(dev);
- kfree(private);
- return ret;
- }
-
- drm_mode_config_reset(dev);
-
-#ifdef CONFIG_DRM_STI_FBDEV
- drm_fbdev_cma_init(dev, 32,
- dev->mode_config.num_crtc,
- dev->mode_config.num_connector);
-#endif
- return 0;
-}
-
-static const struct file_operations sti_drm_driver_fops = {
- .owner = THIS_MODULE,
- .open = drm_open,
- .mmap = drm_gem_cma_mmap,
- .poll = drm_poll,
- .read = drm_read,
- .unlocked_ioctl = drm_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = drm_compat_ioctl,
-#endif
- .release = drm_release,
-};
-
-static struct dma_buf *sti_drm_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 = {
- .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
- DRIVER_GEM | DRIVER_PRIME,
- .load = sti_drm_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,
-
- .get_vblank_counter = drm_vblank_count,
- .enable_vblank = sti_drm_crtc_enable_vblank,
- .disable_vblank = sti_drm_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_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,
- .gem_prime_vmap = drm_gem_cma_prime_vmap,
- .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
- .gem_prime_mmap = drm_gem_cma_prime_mmap,
-
- .name = DRIVER_NAME,
- .desc = DRIVER_DESC,
- .date = DRIVER_DATE,
- .major = DRIVER_MAJOR,
- .minor = DRIVER_MINOR,
-};
-
-static int compare_of(struct device *dev, void *data)
-{
- return dev->of_node == data;
-}
-
-static int sti_drm_bind(struct device *dev)
-{
- return drm_platform_init(&sti_drm_driver, to_platform_device(dev));
-}
-
-static void sti_drm_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 int sti_drm_platform_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- 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) {
- component_match_add(dev, &match, compare_of, child_np);
- of_node_put(child_np);
- 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_platform_remove(struct platform_device *pdev)
-{
- component_master_del(&pdev->dev, &sti_drm_ops);
- of_platform_depopulate(&pdev->dev);
-
- return 0;
-}
-
-static const struct of_device_id sti_drm_dt_ids[] = {
- { .compatible = "st,sti-display-subsystem", },
- { /* end node */ },
-};
-MODULE_DEVICE_TABLE(of, sti_drm_dt_ids);
-
-static struct platform_driver sti_drm_platform_driver = {
- .probe = sti_drm_platform_probe,
- .remove = sti_drm_platform_remove,
- .driver = {
- .name = DRIVER_NAME,
- .of_match_table = sti_drm_dt_ids,
- },
-};
-
-module_platform_driver(sti_drm_platform_driver);
-
-MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * 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_DRV_H_
-#define _STI_DRM_DRV_H_
-
-#include <drm/drmP.h>
-
-struct sti_compositor;
-struct sti_tvout;
-
-/**
- * STI drm private structure
- * This structure is stored as private in the drm_device
- *
- * @compo: compositor
- * @plane_zorder_property: z-order property for CRTC planes
- * @drm_dev: drm device
- */
-struct sti_drm_private {
- struct sti_compositor *compo;
- struct drm_property *plane_zorder_property;
- struct drm_device *drm_dev;
-
- struct {
- struct drm_atomic_state *state;
- struct work_struct work;
- struct mutex lock;
- } commit;
-};
-
-#endif
+++ /dev/null
-/*
- * 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_gem_cma_helper.h>
-#include <drm/drm_fb_cma_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"
-
-/* (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 int sti_plane_prepare(struct sti_plane *plane,
- 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)
-{
- struct drm_gem_cma_object *cma_obj;
- unsigned int i;
- int res;
-
- if (!plane || !fb || !mode) {
- DRM_ERROR("Null fb, plane 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;
- }
-
- plane->fb = fb;
- plane->mode = mode;
- plane->mixer_id = mixer_id;
- plane->dst_x = dest_x;
- plane->dst_y = dest_y;
- plane->dst_w = clamp_val(dest_w, 0, mode->crtc_hdisplay - dest_x);
- plane->dst_h = clamp_val(dest_h, 0, mode->crtc_vdisplay - dest_y);
- plane->src_x = src_x;
- plane->src_y = src_y;
- plane->src_w = src_w;
- plane->src_h = src_h;
- plane->format = fb->pixel_format;
- plane->vaddr = cma_obj->vaddr;
- plane->paddr = cma_obj->paddr;
- for (i = 0; i < 4; i++) {
- plane->pitches[i] = fb->pitches[i];
- plane->offsets[i] = fb->offsets[i];
- }
-
- DRM_DEBUG_DRIVER("%s is associated with mixer_id %d\n",
- sti_plane_to_str(plane),
- plane->mixer_id);
- DRM_DEBUG_DRIVER("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n",
- sti_plane_to_str(plane),
- plane->dst_w, plane->dst_h, plane->dst_x, plane->dst_y,
- plane->src_w, plane->src_h, plane->src_x,
- plane->src_y);
-
- DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id,
- (char *)&plane->format, (unsigned long)plane->paddr);
-
- if (!plane->ops->prepare) {
- DRM_ERROR("Cannot prepare\n");
- return 1;
- }
-
- res = plane->ops->prepare(plane, !plane->enabled);
- if (res) {
- DRM_ERROR("Plane prepare failed\n");
- return res;
- }
-
- plane->enabled = true;
-
- return 0;
-}
-
-static int sti_plane_commit(struct sti_plane *plane)
-{
- if (!plane)
- return 1;
-
- if (!plane->ops->commit) {
- DRM_ERROR("Cannot commit\n");
- return 1;
- }
-
- return plane->ops->commit(plane);
-}
-
-static int sti_plane_disable(struct sti_plane *plane)
-{
- int res;
-
- DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(plane));
- if (!plane)
- return 1;
-
- if (!plane->enabled)
- return 0;
-
- if (!plane->ops->disable) {
- DRM_ERROR("Cannot disable\n");
- return 1;
- }
-
- res = plane->ops->disable(plane);
- if (res) {
- DRM_ERROR("Plane disable failed\n");
- return res;
- }
-
- plane->enabled = false;
-
- return 0;
-}
-
-static void sti_drm_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_drm_plane_set_property(struct drm_plane *drm_plane,
- struct drm_property *property,
- uint64_t val)
-{
- struct drm_device *dev = drm_plane->dev;
- struct sti_drm_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 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_atomic_check(struct drm_plane *drm_plane,
- struct drm_plane_state *state)
-{
- return 0;
-}
-
-static void sti_drm_plane_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_mixer *mixer = to_sti_mixer(state->crtc);
- int res;
-
- DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n",
- state->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",
- state->crtc_w, state->crtc_h,
- state->crtc_x, state->crtc_y);
-
- res = sti_mixer_set_plane_depth(mixer, plane);
- if (res) {
- DRM_ERROR("Cannot set plane depth\n");
- return;
- }
-
- /* src_x are in 16.16 format */
- res = sti_plane_prepare(plane, state->crtc, state->fb,
- &state->crtc->mode, mixer->id,
- state->crtc_x, state->crtc_y,
- state->crtc_w, state->crtc_h,
- state->src_x >> 16, state->src_y >> 16,
- state->src_w >> 16, state->src_h >> 16);
- if (res) {
- DRM_ERROR("Plane prepare failed\n");
- return;
- }
-
- res = sti_plane_commit(plane);
- if (res) {
- DRM_ERROR("Plane commit failed\n");
- return;
- }
-
- res = sti_mixer_set_plane_status(mixer, plane, true);
- if (res) {
- DRM_ERROR("Cannot enable plane at mixer\n");
- return;
- }
-}
-
-static void sti_drm_plane_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);
- int res;
-
- 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));
-
- /* Disable plane at mixer level */
- res = sti_mixer_set_plane_status(mixer, plane, false);
- if (res) {
- DRM_ERROR("Cannot disable plane at mixer\n");
- return;
- }
-
- /* Wait a while to be sure that a Vsync event is received */
- msleep(WAIT_NEXT_VSYNC_MS);
-
- /* Then disable plane itself */
- res = sti_plane_disable(plane);
- if (res) {
- DRM_ERROR("Plane disable failed\n");
- return;
- }
-}
-
-static const struct drm_plane_helper_funcs sti_drm_plane_helpers_funcs = {
- .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 *drm_plane)
-{
- struct drm_device *dev = drm_plane->dev;
- struct sti_drm_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);
-}
-
-struct drm_plane *sti_drm_plane_init(struct drm_device *dev,
- struct sti_plane *plane,
- unsigned int possible_crtcs,
- enum drm_plane_type type)
-{
- int err, i;
-
- err = drm_universal_plane_init(dev, &plane->drm_plane,
- possible_crtcs,
- &sti_drm_plane_funcs,
- plane->ops->get_formats(plane),
- plane->ops->get_nb_formats(plane),
- type);
- if (err) {
- DRM_ERROR("Failed to initialize universal plane\n");
- return NULL;
- }
-
- drm_plane_helper_add(&plane->drm_plane,
- &sti_drm_plane_helpers_funcs);
-
- 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_drm_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);
-
- return &plane->drm_plane;
-}
-EXPORT_SYMBOL(sti_drm_plane_init);
+++ /dev/null
-/*
- * 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>
-
-#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
-};
-
-/**
- * STI plane structure
- *
- * @plane: drm plane it is bound to (if any)
- * @fb: drm fb it is bound to
- * @mode: display mode
- * @desc: plane type & id
- * @ops: plane functions
- * @zorder: plane z-order
- * @mixer_id: id of the mixer used to display the plane
- * @enabled: to know if the plane 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_plane {
- struct drm_plane drm_plane;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode;
- enum sti_plane_desc desc;
- const struct sti_plane_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;
-};
-
-/**
- * STI plane functions structure
- *
- * @get_formats: get plane supported formats
- * @get_nb_formats: get number of format supported
- * @prepare: prepare plane before rendering
- * @commit: set plane for rendering
- * @disable: disable plane
- */
-struct sti_plane_funcs {
- const uint32_t* (*get_formats)(struct sti_plane *plane);
- unsigned int (*get_nb_formats)(struct sti_plane *plane);
- int (*prepare)(struct sti_plane *plane, bool first_prepare);
- int (*commit)(struct sti_plane *plane);
- int (*disable)(struct sti_plane *plane);
-};
-
-struct drm_plane *sti_drm_plane_init(struct drm_device *dev,
- struct sti_plane *sti_plane,
- unsigned int possible_crtcs,
- enum drm_plane_type type);
-const char *sti_plane_to_str(struct sti_plane *plane);
-
-#endif
--- /dev/null
+/*
+ * Copyright (C) STMicroelectronics SA 2014
+ * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+#include <drm/drmP.h>
+
+#include <linux/component.h>
+#include <linux/debugfs.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+
+#include "sti_crtc.h"
+#include "sti_drv.h"
+
+#define DRIVER_NAME "sti"
+#define DRIVER_DESC "STMicroelectronics SoC DRM"
+#define DRIVER_DATE "20140601"
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+
+#define STI_MAX_FB_HEIGHT 4096
+#define STI_MAX_FB_WIDTH 4096
+
+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_atomic_complete(struct sti_private *private,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *drm = private->drm_dev;
+
+ /*
+ * Everything below can be run asynchronously without the need to grab
+ * any modeset locks at all under one condition: It must be guaranteed
+ * that the asynchronous work has either been cancelled (if the driver
+ * supports it, which at least requires that the framebuffers get
+ * cleaned up with drm_atomic_helper_cleanup_planes()) or completed
+ * before the new state gets committed on the software side with
+ * drm_atomic_helper_swap_state().
+ *
+ * This scheme allows new atomic state updates to be prepared and
+ * checked in parallel to the asynchronous completion of the previous
+ * update. Which is important since compositors need to figure out the
+ * composition of the next frame right after having submitted the
+ * current layout.
+ */
+
+ drm_atomic_helper_commit_modeset_disables(drm, state);
+ drm_atomic_helper_commit_planes(drm, state);
+ drm_atomic_helper_commit_modeset_enables(drm, state);
+
+ drm_atomic_helper_wait_for_vblanks(drm, state);
+
+ drm_atomic_helper_cleanup_planes(drm, state);
+ drm_atomic_state_free(state);
+}
+
+static void sti_atomic_work(struct work_struct *work)
+{
+ struct sti_private *private = container_of(work,
+ struct sti_private, commit.work);
+
+ sti_atomic_complete(private, private->commit.state);
+}
+
+static int sti_atomic_commit(struct drm_device *drm,
+ struct drm_atomic_state *state, bool async)
+{
+ struct sti_private *private = drm->dev_private;
+ int err;
+
+ err = drm_atomic_helper_prepare_planes(drm, state);
+ if (err)
+ return err;
+
+ /* serialize outstanding asynchronous commits */
+ mutex_lock(&private->commit.lock);
+ flush_work(&private->commit.work);
+
+ /*
+ * This is the point of no return - everything below never fails except
+ * when the hw goes bonghits. Which means we can commit the new state on
+ * the software side now.
+ */
+
+ drm_atomic_helper_swap_state(drm, state);
+
+ if (async)
+ sti_atomic_schedule(private, state);
+ else
+ sti_atomic_complete(private, state);
+
+ mutex_unlock(&private->commit.lock);
+ return 0;
+}
+
+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_atomic_commit,
+};
+
+static void sti_mode_config_init(struct drm_device *dev)
+{
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+
+ /*
+ * set max width and height as default value.
+ * this value would be used to check framebuffer size limitation
+ * at drm_mode_addfb().
+ */
+ dev->mode_config.max_width = STI_MAX_FB_HEIGHT;
+ dev->mode_config.max_height = STI_MAX_FB_WIDTH;
+
+ dev->mode_config.funcs = &sti_mode_config_funcs;
+}
+
+static int sti_load(struct drm_device *dev, unsigned long flags)
+{
+ struct sti_private *private;
+ int ret;
+
+ private = kzalloc(sizeof(*private), GFP_KERNEL);
+ if (!private) {
+ DRM_ERROR("Failed to allocate private\n");
+ return -ENOMEM;
+ }
+ dev->dev_private = (void *)private;
+ private->drm_dev = dev;
+
+ mutex_init(&private->commit.lock);
+ INIT_WORK(&private->commit.work, sti_atomic_work);
+
+ drm_mode_config_init(dev);
+ drm_kms_helper_poll_init(dev);
+
+ sti_mode_config_init(dev);
+
+ ret = component_bind_all(dev->dev, dev);
+ if (ret) {
+ drm_kms_helper_poll_fini(dev);
+ drm_mode_config_cleanup(dev);
+ kfree(private);
+ return ret;
+ }
+
+ drm_mode_config_reset(dev);
+
+#ifdef CONFIG_DRM_STI_FBDEV
+ drm_fbdev_cma_init(dev, 32,
+ dev->mode_config.num_crtc,
+ dev->mode_config.num_connector);
+#endif
+ return 0;
+}
+
+static const struct file_operations sti_driver_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .mmap = drm_gem_cma_mmap,
+ .poll = drm_poll,
+ .read = drm_read,
+ .unlocked_ioctl = drm_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ .release = drm_release,
+};
+
+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_driver = {
+ .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
+ DRIVER_GEM | DRIVER_PRIME,
+ .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_driver_fops,
+
+ .get_vblank_counter = drm_vblank_count,
+ .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_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,
+ .gem_prime_vmap = drm_gem_cma_prime_vmap,
+ .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
+ .gem_prime_mmap = drm_gem_cma_prime_mmap,
+
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+};
+
+static int compare_of(struct device *dev, void *data)
+{
+ return dev->of_node == data;
+}
+
+static int sti_bind(struct device *dev)
+{
+ return drm_platform_init(&sti_driver, to_platform_device(dev));
+}
+
+static void sti_unbind(struct device *dev)
+{
+ drm_put_dev(dev_get_drvdata(dev));
+}
+
+static const struct component_master_ops sti_ops = {
+ .bind = sti_bind,
+ .unbind = sti_unbind,
+};
+
+static int sti_platform_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ 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) {
+ component_match_add(dev, &match, compare_of, child_np);
+ of_node_put(child_np);
+ child_np = of_get_next_available_child(node, child_np);
+ }
+
+ return component_master_add_with_match(dev, &sti_ops, match);
+}
+
+static int sti_platform_remove(struct platform_device *pdev)
+{
+ component_master_del(&pdev->dev, &sti_ops);
+ of_platform_depopulate(&pdev->dev);
+
+ return 0;
+}
+
+static const struct of_device_id sti_dt_ids[] = {
+ { .compatible = "st,sti-display-subsystem", },
+ { /* end node */ },
+};
+MODULE_DEVICE_TABLE(of, sti_dt_ids);
+
+static struct platform_driver sti_platform_driver = {
+ .probe = sti_platform_probe,
+ .remove = sti_platform_remove,
+ .driver = {
+ .name = DRIVER_NAME,
+ .of_match_table = sti_dt_ids,
+ },
+};
+
+module_platform_driver(sti_platform_driver);
+
+MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * 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_DRV_H_
+#define _STI_DRV_H_
+
+#include <drm/drmP.h>
+
+struct sti_compositor;
+struct sti_tvout;
+
+/**
+ * STI drm private structure
+ * This structure is stored as private in the drm_device
+ *
+ * @compo: compositor
+ * @plane_zorder_property: z-order property for CRTC planes
+ * @drm_dev: drm device
+ */
+struct sti_private {
+ struct sti_compositor *compo;
+ struct drm_property *plane_zorder_property;
+ struct drm_device *drm_dev;
+
+ struct {
+ struct drm_atomic_state *state;
+ struct work_struct work;
+ struct mutex lock;
+ } commit;
+};
+
+#endif
#include <linux/dma-mapping.h>
#include "sti_compositor.h"
-#include "sti_drm_plane.h"
#include "sti_gdp.h"
+#include "sti_plane.h"
#include "sti_vtg.h"
#define ALPHASWITCH BIT(6)
#include <drm/drmP.h>
-#include "sti_drm_plane.h"
#include "sti_hqvdp_lut.h"
+#include "sti_plane.h"
#include "sti_vtg.h"
/* Firmware name */
/* Create HQVDP plane once xp70 is initialized */
plane = sti_hqvdp_create(hqvdp->dev, STI_HQVDP_0);
if (plane)
- sti_drm_plane_init(hqvdp->drm_dev, plane, 1,
- DRM_PLANE_TYPE_OVERLAY);
+ sti_plane_init(hqvdp->drm_dev, plane, 1,
+ DRM_PLANE_TYPE_OVERLAY);
else
DRM_ERROR("Can't create HQVDP plane\n");
#include <drm/drmP.h>
-#include "sti_drm_plane.h"
+#include "sti_plane.h"
#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
--- /dev/null
+/*
+ * 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_gem_cma_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#include "sti_compositor.h"
+#include "sti_drv.h"
+#include "sti_plane.h"
+#include "sti_vtg.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 int sti_plane_prepare(struct sti_plane *plane,
+ 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)
+{
+ struct drm_gem_cma_object *cma_obj;
+ unsigned int i;
+ int res;
+
+ if (!plane || !fb || !mode) {
+ DRM_ERROR("Null fb, plane 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;
+ }
+
+ plane->fb = fb;
+ plane->mode = mode;
+ plane->mixer_id = mixer_id;
+ plane->dst_x = dest_x;
+ plane->dst_y = dest_y;
+ plane->dst_w = clamp_val(dest_w, 0, mode->crtc_hdisplay - dest_x);
+ plane->dst_h = clamp_val(dest_h, 0, mode->crtc_vdisplay - dest_y);
+ plane->src_x = src_x;
+ plane->src_y = src_y;
+ plane->src_w = src_w;
+ plane->src_h = src_h;
+ plane->format = fb->pixel_format;
+ plane->vaddr = cma_obj->vaddr;
+ plane->paddr = cma_obj->paddr;
+ for (i = 0; i < 4; i++) {
+ plane->pitches[i] = fb->pitches[i];
+ plane->offsets[i] = fb->offsets[i];
+ }
+
+ DRM_DEBUG_DRIVER("%s is associated with mixer_id %d\n",
+ sti_plane_to_str(plane),
+ plane->mixer_id);
+ DRM_DEBUG_DRIVER("%s dst=(%dx%d)@(%d,%d) - src=(%dx%d)@(%d,%d)\n",
+ sti_plane_to_str(plane),
+ plane->dst_w, plane->dst_h, plane->dst_x, plane->dst_y,
+ plane->src_w, plane->src_h, plane->src_x,
+ plane->src_y);
+
+ DRM_DEBUG_DRIVER("drm FB:%d format:%.4s phys@:0x%lx\n", fb->base.id,
+ (char *)&plane->format, (unsigned long)plane->paddr);
+
+ if (!plane->ops->prepare) {
+ DRM_ERROR("Cannot prepare\n");
+ return 1;
+ }
+
+ res = plane->ops->prepare(plane, !plane->enabled);
+ if (res) {
+ DRM_ERROR("Plane prepare failed\n");
+ return res;
+ }
+
+ plane->enabled = true;
+
+ return 0;
+}
+
+static int sti_plane_commit(struct sti_plane *plane)
+{
+ if (!plane)
+ return 1;
+
+ if (!plane->ops->commit) {
+ DRM_ERROR("Cannot commit\n");
+ return 1;
+ }
+
+ return plane->ops->commit(plane);
+}
+
+static int sti_plane_disable(struct sti_plane *plane)
+{
+ int res;
+
+ DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(plane));
+ if (!plane)
+ return 1;
+
+ if (!plane->enabled)
+ return 0;
+
+ if (!plane->ops->disable) {
+ DRM_ERROR("Cannot disable\n");
+ return 1;
+ }
+
+ res = plane->ops->disable(plane);
+ if (res) {
+ DRM_ERROR("Plane disable failed\n");
+ return res;
+ }
+
+ plane->enabled = false;
+
+ return 0;
+}
+
+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 struct drm_plane_funcs sti_plane_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,
+};
+
+static int sti_plane_atomic_check(struct drm_plane *drm_plane,
+ struct drm_plane_state *state)
+{
+ return 0;
+}
+
+static void sti_plane_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_mixer *mixer = to_sti_mixer(state->crtc);
+ int res;
+
+ DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n",
+ state->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",
+ state->crtc_w, state->crtc_h,
+ state->crtc_x, state->crtc_y);
+
+ res = sti_mixer_set_plane_depth(mixer, plane);
+ if (res) {
+ DRM_ERROR("Cannot set plane depth\n");
+ return;
+ }
+
+ /* src_x are in 16.16 format */
+ res = sti_plane_prepare(plane, state->crtc, state->fb,
+ &state->crtc->mode, mixer->id,
+ state->crtc_x, state->crtc_y,
+ state->crtc_w, state->crtc_h,
+ state->src_x >> 16, state->src_y >> 16,
+ state->src_w >> 16, state->src_h >> 16);
+ if (res) {
+ DRM_ERROR("Plane prepare failed\n");
+ return;
+ }
+
+ res = sti_plane_commit(plane);
+ if (res) {
+ DRM_ERROR("Plane commit failed\n");
+ return;
+ }
+
+ res = sti_mixer_set_plane_status(mixer, plane, true);
+ if (res) {
+ DRM_ERROR("Cannot enable plane at mixer\n");
+ return;
+ }
+}
+
+static void sti_plane_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);
+ int res;
+
+ 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));
+
+ /* Disable plane at mixer level */
+ res = sti_mixer_set_plane_status(mixer, plane, false);
+ if (res) {
+ DRM_ERROR("Cannot disable plane at mixer\n");
+ return;
+ }
+
+ /* Wait a while to be sure that a Vsync event is received */
+ msleep(WAIT_NEXT_VSYNC_MS);
+
+ /* Then disable plane itself */
+ res = sti_plane_disable(plane);
+ if (res) {
+ DRM_ERROR("Plane disable failed\n");
+ return;
+ }
+}
+
+static const struct drm_plane_helper_funcs sti_plane_helpers_funcs = {
+ .atomic_check = sti_plane_atomic_check,
+ .atomic_update = sti_plane_atomic_update,
+ .atomic_disable = sti_plane_atomic_disable,
+};
+
+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);
+}
+
+struct drm_plane *sti_plane_init(struct drm_device *dev,
+ struct sti_plane *plane,
+ unsigned int possible_crtcs,
+ enum drm_plane_type type)
+{
+ int err, i;
+
+ err = drm_universal_plane_init(dev, &plane->drm_plane,
+ possible_crtcs,
+ &sti_plane_funcs,
+ plane->ops->get_formats(plane),
+ plane->ops->get_nb_formats(plane),
+ type);
+ if (err) {
+ DRM_ERROR("Failed to initialize universal plane\n");
+ return NULL;
+ }
+
+ drm_plane_helper_add(&plane->drm_plane, &sti_plane_helpers_funcs);
+
+ 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);
+
+ return &plane->drm_plane;
+}
+EXPORT_SYMBOL(sti_plane_init);
--- /dev/null
+/*
+ * 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>
+
+#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
+};
+
+/**
+ * STI plane structure
+ *
+ * @plane: drm plane it is bound to (if any)
+ * @fb: drm fb it is bound to
+ * @mode: display mode
+ * @desc: plane type & id
+ * @ops: plane functions
+ * @zorder: plane z-order
+ * @mixer_id: id of the mixer used to display the plane
+ * @enabled: to know if the plane 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_plane {
+ struct drm_plane drm_plane;
+ struct drm_framebuffer *fb;
+ struct drm_display_mode *mode;
+ enum sti_plane_desc desc;
+ const struct sti_plane_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;
+};
+
+/**
+ * STI plane functions structure
+ *
+ * @get_formats: get plane supported formats
+ * @get_nb_formats: get number of format supported
+ * @prepare: prepare plane before rendering
+ * @commit: set plane for rendering
+ * @disable: disable plane
+ */
+struct sti_plane_funcs {
+ const uint32_t* (*get_formats)(struct sti_plane *plane);
+ unsigned int (*get_nb_formats)(struct sti_plane *plane);
+ int (*prepare)(struct sti_plane *plane, bool first_prepare);
+ int (*commit)(struct sti_plane *plane);
+ int (*disable)(struct sti_plane *plane);
+};
+
+struct drm_plane *sti_plane_init(struct drm_device *dev,
+ struct sti_plane *sti_plane,
+ unsigned int possible_crtcs,
+ enum drm_plane_type type);
+const char *sti_plane_to_str(struct sti_plane *plane);
+
+#endif
#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
{
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)
{
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)
{
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)
#include <drm/drmP.h>
-#include "sti_drm_plane.h"
+#include "sti_plane.h"
#include "sti_vid.h"
#include "sti_vtg.h"
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff