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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_vidi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_vidi.c712
1 files changed, 279 insertions, 433 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 41cc74d83e4e..64c69dd2966e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -1,65 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* exynos_drm_vidi.c
*
* Copyright (C) 2012 Samsung Electronics Co.Ltd
* Authors:
* Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
-#include <drm/drmP.h>
+#include <linux/component.h>
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/timer.h>
-#include <drm/exynos_drm.h>
-
+#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_vblank.h>
+#include <drm/exynos_drm.h>
-#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_drv.h"
+#include "exynos_drm_fb.h"
+#include "exynos_drm_plane.h"
+#include "exynos_drm_vidi.h"
+
+/* VIDI uses fixed refresh rate of 50Hz */
+#define VIDI_REFRESH_TIME (1000 / 50)
/* vidi has totally three virtual windows. */
#define WINDOWS_NR 3
-#define get_vidi_context(dev) platform_get_drvdata(to_platform_device(dev))
-
-struct vidi_win_data {
- unsigned int offset_x;
- unsigned int offset_y;
- unsigned int ovl_width;
- unsigned int ovl_height;
- unsigned int fb_width;
- unsigned int fb_height;
- unsigned int bpp;
- dma_addr_t dma_addr;
- unsigned int buf_offsize;
- unsigned int line_size; /* bytes */
- bool enabled;
-};
+#define ctx_from_connector(c) container_of(c, struct vidi_context, \
+ connector)
struct vidi_context {
- struct exynos_drm_subdrv subdrv;
- struct drm_crtc *crtc;
- struct vidi_win_data win_data[WINDOWS_NR];
- struct edid *raw_edid;
+ struct drm_encoder encoder;
+ struct drm_device *drm_dev;
+ struct device *dev;
+ struct exynos_drm_crtc *crtc;
+ struct drm_connector connector;
+ struct exynos_drm_plane planes[WINDOWS_NR];
+ const struct drm_edid *raw_edid;
unsigned int clkdiv;
- unsigned int default_win;
- unsigned long irq_flags;
unsigned int connected;
- bool vblank_on;
bool suspended;
- bool direct_vblank;
- struct work_struct work;
+ struct timer_list timer;
struct mutex lock;
};
+static inline struct vidi_context *encoder_to_vidi(struct drm_encoder *e)
+{
+ return container_of(e, struct vidi_context, encoder);
+}
+
static const char fake_edid_info[] = {
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x4c, 0x2d, 0x05, 0x05,
0x00, 0x00, 0x00, 0x00, 0x30, 0x12, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78,
@@ -85,354 +80,98 @@ static const char fake_edid_info[] = {
0x00, 0x00, 0x00, 0x06
};
-static bool vidi_display_is_connected(struct device *dev)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- /*
- * connection request would come from user side
- * to do hotplug through specific ioctl.
- */
- return ctx->connected ? true : false;
-}
-
-static struct edid *vidi_get_edid(struct device *dev,
- struct drm_connector *connector)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
- struct edid *edid;
- int edid_len;
-
- /*
- * the edid data comes from user side and it would be set
- * to ctx->raw_edid through specific ioctl.
- */
- if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("raw_edid is null.\n");
- return ERR_PTR(-EFAULT);
- }
-
- edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
- edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
- if (!edid) {
- DRM_DEBUG_KMS("failed to allocate edid\n");
- return ERR_PTR(-ENOMEM);
- }
-
- return edid;
-}
-
-static void *vidi_get_panel(struct device *dev)
-{
- /* TODO. */
-
- return NULL;
-}
-
-static int vidi_check_mode(struct device *dev, struct drm_display_mode *mode)
-{
- /* TODO. */
-
- return 0;
-}
-
-static int vidi_display_power_on(struct device *dev, int mode)
-{
- /* TODO */
-
- return 0;
-}
-
-static struct exynos_drm_display_ops vidi_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_VIDI,
- .is_connected = vidi_display_is_connected,
- .get_edid = vidi_get_edid,
- .get_panel = vidi_get_panel,
- .check_mode = vidi_check_mode,
- .power_on = vidi_display_power_on,
+static const uint32_t formats[] = {
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_NV12,
};
-static void vidi_dpms(struct device *subdrv_dev, int mode)
-{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
-
- DRM_DEBUG_KMS("%d\n", mode);
-
- mutex_lock(&ctx->lock);
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /* TODO. */
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- /* TODO. */
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
-
- mutex_unlock(&ctx->lock);
-}
-
-static void vidi_apply(struct device *subdrv_dev)
-{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
- struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
- struct vidi_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
- }
-
- if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
-}
-
-static void vidi_commit(struct device *dev)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- if (ctx->suspended)
- return;
-}
+static const enum drm_plane_type vidi_win_types[WINDOWS_NR] = {
+ DRM_PLANE_TYPE_PRIMARY,
+ DRM_PLANE_TYPE_OVERLAY,
+ DRM_PLANE_TYPE_CURSOR,
+};
-static int vidi_enable_vblank(struct device *dev)
+static int vidi_enable_vblank(struct exynos_drm_crtc *crtc)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = crtc->ctx;
if (ctx->suspended)
return -EPERM;
- if (!test_and_set_bit(0, &ctx->irq_flags))
- ctx->vblank_on = true;
-
- ctx->direct_vblank = true;
-
- /*
- * in case of page flip request, vidi_finish_pageflip function
- * will not be called because direct_vblank is true and then
- * that function will be called by overlay_ops->commit callback
- */
- schedule_work(&ctx->work);
+ mod_timer(&ctx->timer,
+ jiffies + msecs_to_jiffies(VIDI_REFRESH_TIME) - 1);
return 0;
}
-static void vidi_disable_vblank(struct device *dev)
+static void vidi_disable_vblank(struct exynos_drm_crtc *crtc)
{
- struct vidi_context *ctx = get_vidi_context(dev);
-
- if (ctx->suspended)
- return;
-
- if (test_and_clear_bit(0, &ctx->irq_flags))
- ctx->vblank_on = false;
}
-static struct exynos_drm_manager_ops vidi_manager_ops = {
- .dpms = vidi_dpms,
- .apply = vidi_apply,
- .commit = vidi_commit,
- .enable_vblank = vidi_enable_vblank,
- .disable_vblank = vidi_disable_vblank,
-};
-
-static void vidi_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void vidi_update_plane(struct exynos_drm_crtc *crtc,
+ struct exynos_drm_plane *plane)
{
- struct vidi_context *ctx = get_vidi_context(dev);
- struct vidi_win_data *win_data;
- int win;
- unsigned long offset;
-
- if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
- return;
- }
-
- win = overlay->zpos;
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
-
- if (win < 0 || win >= WINDOWS_NR)
- return;
-
- offset = overlay->fb_x * (overlay->bpp >> 3);
- offset += overlay->fb_y * overlay->pitch;
-
- DRM_DEBUG_KMS("offset = 0x%lx, pitch = %x\n", offset, overlay->pitch);
-
- win_data = &ctx->win_data[win];
-
- win_data->offset_x = overlay->crtc_x;
- win_data->offset_y = overlay->crtc_y;
- win_data->ovl_width = overlay->crtc_width;
- win_data->ovl_height = overlay->crtc_height;
- win_data->fb_width = overlay->fb_width;
- win_data->fb_height = overlay->fb_height;
- win_data->dma_addr = overlay->dma_addr[0] + offset;
- win_data->bpp = overlay->bpp;
- win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) *
- (overlay->bpp >> 3);
- win_data->line_size = overlay->crtc_width * (overlay->bpp >> 3);
-
- /*
- * some parts of win_data should be transferred to user side
- * through specific ioctl.
- */
-
- DRM_DEBUG_KMS("offset_x = %d, offset_y = %d\n",
- win_data->offset_x, win_data->offset_y);
- DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
- win_data->ovl_width, win_data->ovl_height);
- DRM_DEBUG_KMS("paddr = 0x%lx\n", (unsigned long)win_data->dma_addr);
- DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
- overlay->fb_width, overlay->crtc_width);
-}
-
-static void vidi_win_commit(struct device *dev, int zpos)
-{
- struct vidi_context *ctx = get_vidi_context(dev);
- struct vidi_win_data *win_data;
- int win = zpos;
+ struct drm_plane_state *state = plane->base.state;
+ struct vidi_context *ctx = crtc->ctx;
+ dma_addr_t addr;
if (ctx->suspended)
return;
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
-
- if (win < 0 || win >= WINDOWS_NR)
- return;
-
- win_data = &ctx->win_data[win];
-
- win_data->enabled = true;
-
- DRM_DEBUG_KMS("dma_addr = 0x%x\n", win_data->dma_addr);
-
- if (ctx->vblank_on)
- schedule_work(&ctx->work);
+ addr = exynos_drm_fb_dma_addr(state->fb, 0);
+ DRM_DEV_DEBUG_KMS(ctx->dev, "dma_addr = %pad\n", &addr);
}
-static void vidi_win_disable(struct device *dev, int zpos)
+static void vidi_atomic_enable(struct exynos_drm_crtc *crtc)
{
- struct vidi_context *ctx = get_vidi_context(dev);
- struct vidi_win_data *win_data;
- int win = zpos;
+ struct vidi_context *ctx = crtc->ctx;
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
+ mutex_lock(&ctx->lock);
- if (win < 0 || win >= WINDOWS_NR)
- return;
+ ctx->suspended = false;
- win_data = &ctx->win_data[win];
- win_data->enabled = false;
+ mutex_unlock(&ctx->lock);
- /* TODO. */
+ drm_crtc_vblank_on(&crtc->base);
}
-static struct exynos_drm_overlay_ops vidi_overlay_ops = {
- .mode_set = vidi_win_mode_set,
- .commit = vidi_win_commit,
- .disable = vidi_win_disable,
-};
-
-static struct exynos_drm_manager vidi_manager = {
- .pipe = -1,
- .ops = &vidi_manager_ops,
- .overlay_ops = &vidi_overlay_ops,
- .display_ops = &vidi_display_ops,
-};
-
-static void vidi_fake_vblank_handler(struct work_struct *work)
+static void vidi_atomic_disable(struct exynos_drm_crtc *crtc)
{
- struct vidi_context *ctx = container_of(work, struct vidi_context,
- work);
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
-
- if (manager->pipe < 0)
- return;
+ struct vidi_context *ctx = crtc->ctx;
- /* refresh rate is about 50Hz. */
- usleep_range(16000, 20000);
+ drm_crtc_vblank_off(&crtc->base);
mutex_lock(&ctx->lock);
- if (ctx->direct_vblank) {
- drm_handle_vblank(subdrv->drm_dev, manager->pipe);
- ctx->direct_vblank = false;
- mutex_unlock(&ctx->lock);
- return;
- }
+ ctx->suspended = true;
mutex_unlock(&ctx->lock);
-
- exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
}
-static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
-{
- /*
- * enable drm irq mode.
- * - with irq_enabled = 1, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = 1;
-
- /*
- * with vblank_disable_allowed = 1, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = 1;
-
- return 0;
-}
-
-static void vidi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* TODO. */
-}
+static const struct exynos_drm_crtc_ops vidi_crtc_ops = {
+ .atomic_enable = vidi_atomic_enable,
+ .atomic_disable = vidi_atomic_disable,
+ .enable_vblank = vidi_enable_vblank,
+ .disable_vblank = vidi_disable_vblank,
+ .update_plane = vidi_update_plane,
+ .atomic_flush = exynos_crtc_handle_event,
+};
-static int vidi_power_on(struct vidi_context *ctx, bool enable)
+static void vidi_fake_vblank_timer(struct timer_list *t)
{
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct device *dev = subdrv->dev;
-
- if (enable) {
- ctx->suspended = false;
-
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- vidi_enable_vblank(dev);
-
- vidi_apply(dev);
- } else {
- ctx->suspended = true;
- }
+ struct vidi_context *ctx = timer_container_of(ctx, t, timer);
- return 0;
+ if (drm_crtc_handle_vblank(&ctx->crtc->base))
+ mod_timer(&ctx->timer,
+ jiffies + msecs_to_jiffies(VIDI_REFRESH_TIME) - 1);
}
-static int vidi_show_connection(struct device *dev,
+static ssize_t vidi_show_connection(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct vidi_context *ctx = dev_get_drvdata(dev);
int rc;
- struct vidi_context *ctx = get_vidi_context(dev);
mutex_lock(&ctx->lock);
@@ -443,11 +182,11 @@ static int vidi_show_connection(struct device *dev,
return rc;
}
-static int vidi_store_connection(struct device *dev,
+static ssize_t vidi_store_connection(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = dev_get_drvdata(dev);
int ret;
ret = kstrtoint(buf, 0, &ctx->connected);
@@ -457,19 +196,18 @@ static int vidi_store_connection(struct device *dev,
if (ctx->connected > 1)
return -EINVAL;
- /* use fake edid data for test. */
- if (!ctx->raw_edid)
- ctx->raw_edid = (struct edid *)fake_edid_info;
-
- /* if raw_edid isn't same as fake data then it can't be tested. */
- if (ctx->raw_edid != (struct edid *)fake_edid_info) {
- DRM_DEBUG_KMS("edid data is not fake data.\n");
+ /*
+ * Use fake edid data for test. If raw_edid is set then it can't be
+ * tested.
+ */
+ if (ctx->raw_edid) {
+ DRM_DEV_DEBUG_KMS(dev, "edid data is not fake data.\n");
return -EINVAL;
}
- DRM_DEBUG_KMS("requested connection.\n");
+ DRM_DEV_DEBUG_KMS(dev, "requested connection.\n");
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
return len;
}
@@ -477,151 +215,259 @@ static int vidi_store_connection(struct device *dev,
static DEVICE_ATTR(connection, 0644, vidi_show_connection,
vidi_store_connection);
+static struct attribute *vidi_attrs[] = {
+ &dev_attr_connection.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(vidi);
+
int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
struct drm_file *file_priv)
{
- struct vidi_context *ctx = NULL;
- struct drm_encoder *encoder;
- struct exynos_drm_manager *manager;
- struct exynos_drm_display_ops *display_ops;
+ struct vidi_context *ctx = dev_get_drvdata(drm_dev->dev);
struct drm_exynos_vidi_connection *vidi = data;
- int edid_len;
if (!vidi) {
- DRM_DEBUG_KMS("user data for vidi is null.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "user data for vidi is null.\n");
return -EINVAL;
}
if (vidi->connection > 1) {
- DRM_DEBUG_KMS("connection should be 0 or 1.\n");
- return -EINVAL;
- }
-
- list_for_each_entry(encoder, &drm_dev->mode_config.encoder_list,
- head) {
- manager = exynos_drm_get_manager(encoder);
- display_ops = manager->display_ops;
-
- if (display_ops->type == EXYNOS_DISPLAY_TYPE_VIDI) {
- ctx = get_vidi_context(manager->dev);
- break;
- }
- }
-
- if (!ctx) {
- DRM_DEBUG_KMS("not found virtual device type encoder.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "connection should be 0 or 1.\n");
return -EINVAL;
}
if (ctx->connected == vidi->connection) {
- DRM_DEBUG_KMS("same connection request.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "same connection request.\n");
return -EINVAL;
}
if (vidi->connection) {
- struct edid *raw_edid = (struct edid *)(uint32_t)vidi->edid;
- if (!drm_edid_is_valid(raw_edid)) {
- DRM_DEBUG_KMS("edid data is invalid.\n");
- return -EINVAL;
- }
- edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
- ctx->raw_edid = kmemdup(raw_edid, edid_len, GFP_KERNEL);
- if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("failed to allocate raw_edid.\n");
+ const struct drm_edid *drm_edid;
+ const struct edid *raw_edid;
+ size_t size;
+
+ raw_edid = (const struct edid *)(unsigned long)vidi->edid;
+ size = (raw_edid->extensions + 1) * EDID_LENGTH;
+
+ drm_edid = drm_edid_alloc(raw_edid, size);
+ if (!drm_edid)
return -ENOMEM;
+
+ if (!drm_edid_valid(drm_edid)) {
+ drm_edid_free(drm_edid);
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "edid data is invalid.\n");
+ return -EINVAL;
}
+ ctx->raw_edid = drm_edid;
} else {
- /*
- * with connection = 0, free raw_edid
- * only if raw edid data isn't same as fake data.
- */
- if (ctx->raw_edid && ctx->raw_edid !=
- (struct edid *)fake_edid_info) {
- kfree(ctx->raw_edid);
- ctx->raw_edid = NULL;
- }
+ /* with connection = 0, free raw_edid */
+ drm_edid_free(ctx->raw_edid);
+ ctx->raw_edid = NULL;
}
ctx->connected = vidi->connection;
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
return 0;
}
-static int vidi_probe(struct platform_device *pdev)
+static enum drm_connector_status vidi_detect(struct drm_connector *connector,
+ bool force)
{
- struct device *dev = &pdev->dev;
- struct vidi_context *ctx;
- struct exynos_drm_subdrv *subdrv;
- int ret;
+ struct vidi_context *ctx = ctx_from_connector(connector);
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
+ /*
+ * connection request would come from user side
+ * to do hotplug through specific ioctl.
+ */
+ return ctx->connected ? connector_status_connected :
+ connector_status_disconnected;
+}
- ctx->default_win = 0;
+static void vidi_connector_destroy(struct drm_connector *connector)
+{
+}
- INIT_WORK(&ctx->work, vidi_fake_vblank_handler);
+static const struct drm_connector_funcs vidi_connector_funcs = {
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = vidi_detect,
+ .destroy = vidi_connector_destroy,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
- subdrv = &ctx->subdrv;
- subdrv->dev = dev;
- subdrv->manager = &vidi_manager;
- subdrv->probe = vidi_subdrv_probe;
- subdrv->remove = vidi_subdrv_remove;
+static int vidi_get_modes(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+ const struct drm_edid *drm_edid;
+ int count;
- mutex_init(&ctx->lock);
+ if (ctx->raw_edid)
+ drm_edid = drm_edid_dup(ctx->raw_edid);
+ else
+ drm_edid = drm_edid_alloc(fake_edid_info, sizeof(fake_edid_info));
- platform_set_drvdata(pdev, ctx);
+ drm_edid_connector_update(connector, drm_edid);
- ret = device_create_file(dev, &dev_attr_connection);
- if (ret < 0)
- DRM_INFO("failed to create connection sysfs.\n");
+ count = drm_edid_connector_add_modes(connector);
- exynos_drm_subdrv_register(subdrv);
+ drm_edid_free(drm_edid);
- return 0;
+ return count;
}
-static int vidi_remove(struct platform_device *pdev)
+static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
+ .get_modes = vidi_get_modes,
+};
+
+static int vidi_create_connector(struct drm_encoder *encoder)
{
- struct vidi_context *ctx = platform_get_drvdata(pdev);
+ struct vidi_context *ctx = encoder_to_vidi(encoder);
+ struct drm_connector *connector = &ctx->connector;
+ int ret;
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
- if (ctx->raw_edid != (struct edid *)fake_edid_info) {
- kfree(ctx->raw_edid);
- ctx->raw_edid = NULL;
+ ret = drm_connector_init(ctx->drm_dev, connector,
+ &vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
+ if (ret) {
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to initialize connector with drm\n");
+ return ret;
}
+ drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
+ drm_connector_attach_encoder(connector, encoder);
+
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int vidi_suspend(struct device *dev)
+static void exynos_vidi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+}
+
+static void exynos_vidi_enable(struct drm_encoder *encoder)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+}
+
+static void exynos_vidi_disable(struct drm_encoder *encoder)
+{
+}
+
+static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs = {
+ .mode_set = exynos_vidi_mode_set,
+ .enable = exynos_vidi_enable,
+ .disable = exynos_vidi_disable,
+};
+
+static int vidi_bind(struct device *dev, struct device *master, void *data)
+{
+ struct vidi_context *ctx = dev_get_drvdata(dev);
+ struct drm_device *drm_dev = data;
+ struct drm_encoder *encoder = &ctx->encoder;
+ struct exynos_drm_plane *exynos_plane;
+ struct exynos_drm_plane_config plane_config = { 0 };
+ unsigned int i;
+ int ret;
+
+ ctx->drm_dev = drm_dev;
+
+ plane_config.pixel_formats = formats;
+ plane_config.num_pixel_formats = ARRAY_SIZE(formats);
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ plane_config.zpos = i;
+ plane_config.type = vidi_win_types[i];
+
+ ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
+ &plane_config);
+ if (ret)
+ return ret;
+ }
+
+ exynos_plane = &ctx->planes[DEFAULT_WIN];
+ ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
+ EXYNOS_DISPLAY_TYPE_VIDI, &vidi_crtc_ops, ctx);
+ if (IS_ERR(ctx->crtc)) {
+ DRM_DEV_ERROR(dev, "failed to create crtc.\n");
+ return PTR_ERR(ctx->crtc);
+ }
+
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+
+ drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
+
+ ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_VIDI);
+ if (ret < 0)
+ return ret;
+
+ ret = vidi_create_connector(encoder);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
+ ret);
+ drm_encoder_cleanup(encoder);
+ return ret;
+ }
- return vidi_power_on(ctx, false);
+ return 0;
}
-static int vidi_resume(struct device *dev)
+
+static void vidi_unbind(struct device *dev, struct device *master, void *data)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = dev_get_drvdata(dev);
- return vidi_power_on(ctx, true);
+ timer_delete_sync(&ctx->timer);
}
-#endif
-static const struct dev_pm_ops vidi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(vidi_suspend, vidi_resume)
+static const struct component_ops vidi_component_ops = {
+ .bind = vidi_bind,
+ .unbind = vidi_unbind,
};
+static int vidi_probe(struct platform_device *pdev)
+{
+ struct vidi_context *ctx;
+ struct device *dev = &pdev->dev;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->dev = dev;
+
+ timer_setup(&ctx->timer, vidi_fake_vblank_timer, 0);
+
+ mutex_init(&ctx->lock);
+
+ platform_set_drvdata(pdev, ctx);
+
+ return component_add(dev, &vidi_component_ops);
+}
+
+static void vidi_remove(struct platform_device *pdev)
+{
+ struct vidi_context *ctx = platform_get_drvdata(pdev);
+
+ drm_edid_free(ctx->raw_edid);
+ ctx->raw_edid = NULL;
+
+ component_del(&pdev->dev, &vidi_component_ops);
+}
+
struct platform_driver vidi_driver = {
.probe = vidi_probe,
.remove = vidi_remove,
.driver = {
.name = "exynos-drm-vidi",
- .owner = THIS_MODULE,
- .pm = &vidi_pm_ops,
+ .dev_groups = vidi_groups,
},
};