1 files changed, 0 insertions, 436 deletions
diff --git a/drivers/gpu/drm/exynos_tmp/exynos_drm_crtc.c b/drivers/gpu/drm/exynos_tmp/exynos_drm_crtc.c
deleted file mode 100644
index 4afb625..0000000
--- a/drivers/gpu/drm/exynos_tmp/exynos_drm_crtc.c
+++ /dev/null
@@ -1,436 +0,0 @@
-/* exynos_drm_crtc.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- *	Inki Dae <inki.dae@samsung.com>
- *	Joonyoung Shim <jy0922.shim@samsung.com>
- *	Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drmP.h"
-#include "drm_crtc_helper.h"
-
-#include "exynos_drm_crtc.h"
-#include "exynos_drm_drv.h"
-#include "exynos_drm_fb.h"
-#include "exynos_drm_encoder.h"
-#include "exynos_drm_gem.h"
-
-#define to_exynos_crtc(x)	container_of(x, struct exynos_drm_crtc,\
-				drm_crtc)
-
-/*
- * Exynos specific crtc structure.
- *
- * @drm_crtc: crtc object.
- * @overlay: contain information common to display controller and hdmi and
- *	contents of this overlay object would be copied to sub driver size.
- * @pipe: a crtc index created at load() with a new crtc object creation
- *	and the crtc object would be set to private->crtc array
- *	to get a crtc object corresponding to this pipe from private->crtc
- *	array when irq interrupt occured. the reason of using this pipe is that
- *	drm framework doesn't support multiple irq yet.
- *	we can refer to the crtc to current hardware interrupt occured through
- *	this pipe value.
- * @dpms: store the crtc dpms value
- */
-struct exynos_drm_crtc {
-	struct drm_crtc			drm_crtc;
-	struct exynos_drm_overlay	overlay;
-	unsigned int			pipe;
-	unsigned int			dpms;
-};
-
-static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-	struct exynos_drm_overlay *overlay = &exynos_crtc->overlay;
-
-	exynos_drm_fn_encoder(crtc, overlay,
-			exynos_drm_encoder_crtc_mode_set);
-	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
-			exynos_drm_encoder_crtc_commit);
-}
-
-int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
-			      struct drm_framebuffer *fb,
-			      struct drm_display_mode *mode,
-			      struct exynos_drm_crtc_pos *pos)
-{
-	struct exynos_drm_gem_buf *buffer;
-	unsigned int actual_w;
-	unsigned int actual_h;
-	int nr = exynos_drm_format_num_buffers(fb->pixel_format);
-	int i;
-
-	for (i = 0; i < nr; i++) {
-		buffer = exynos_drm_fb_buffer(fb, i);
-		if (!buffer) {
-			DRM_LOG_KMS("buffer is null\n");
-			return -EFAULT;
-		}
-
-		overlay->dma_addr[i] = buffer->dma_addr;
-		overlay->vaddr[i] = buffer->kvaddr;
-
-		DRM_DEBUG_KMS("buffer: %d, vaddr = 0x%lx, dma_addr = 0x%lx\n",
-				i, (unsigned long)overlay->vaddr[i],
-				(unsigned long)overlay->dma_addr[i]);
-	}
-
-	actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w);
-	actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h);
-
-	/* set drm framebuffer data. */
-	overlay->fb_x = pos->fb_x;
-	overlay->fb_y = pos->fb_y;
-	overlay->fb_width = fb->width;
-	overlay->fb_height = fb->height;
-	overlay->src_width = pos->src_w;
-	overlay->src_height = pos->src_h;
-	overlay->bpp = fb->bits_per_pixel;
-	overlay->pitch = fb->pitches[0];
-	overlay->pixel_format = fb->pixel_format;
-
-	/* set overlay range to be displayed. */
-	overlay->crtc_x = pos->crtc_x;
-	overlay->crtc_y = pos->crtc_y;
-	overlay->crtc_width = actual_w;
-	overlay->crtc_height = actual_h;
-
-	/* set drm mode data. */
-	overlay->mode_width = mode->hdisplay;
-	overlay->mode_height = mode->vdisplay;
-	overlay->refresh = mode->vrefresh;
-	overlay->scan_flag = mode->flags;
-
-	DRM_DEBUG_KMS("overlay : offset_x/y(%d,%d), width/height(%d,%d)",
-			overlay->crtc_x, overlay->crtc_y,
-			overlay->crtc_width, overlay->crtc_height);
-
-	return 0;
-}
-
-static int exynos_drm_crtc_update(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc;
-	struct exynos_drm_overlay *overlay;
-	struct exynos_drm_crtc_pos pos;
-	struct drm_display_mode *mode = &crtc->mode;
-	struct drm_framebuffer *fb = crtc->fb;
-
-	if (!mode || !fb)
-		return -EINVAL;
-
-	exynos_crtc = to_exynos_crtc(crtc);
-	overlay = &exynos_crtc->overlay;
-
-	memset(&pos, 0, sizeof(struct exynos_drm_crtc_pos));
-
-	/* it means the offset of framebuffer to be displayed. */
-	pos.fb_x = crtc->x;
-	pos.fb_y = crtc->y;
-
-	/* OSD position to be displayed. */
-	pos.crtc_x = 0;
-	pos.crtc_y = 0;
-	pos.crtc_w = fb->width - crtc->x;
-	pos.crtc_h = fb->height - crtc->y;
-	pos.src_w = pos.crtc_w;
-	pos.src_h = pos.crtc_h;
-
-	return exynos_drm_overlay_update(overlay, crtc->fb, mode, &pos);
-}
-
-static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
-
-	if (exynos_crtc->dpms == mode) {
-		DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
-		return;
-	}
-
-	mutex_lock(&dev->struct_mutex);
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		exynos_drm_fn_encoder(crtc, &mode,
-				exynos_drm_encoder_crtc_dpms);
-		exynos_crtc->dpms = mode;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-	case DRM_MODE_DPMS_OFF:
-		exynos_drm_fn_encoder(crtc, &mode,
-				exynos_drm_encoder_crtc_dpms);
-		exynos_crtc->dpms = mode;
-		break;
-	default:
-		DRM_ERROR("unspecified mode %d\n", mode);
-		break;
-	}
-
-	mutex_unlock(&dev->struct_mutex);
-}
-
-static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
-{
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	/* drm framework doesn't check NULL. */
-}
-
-static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	/*
-	 * when set_crtc is requested from user or at booting time,
-	 * crtc->commit would be called without dpms call so if dpms is
-	 * no power on then crtc->dpms should be called
-	 * with DRM_MODE_DPMS_ON for the hardware power to be on.
-	 */
-	if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) {
-		int mode = DRM_MODE_DPMS_ON;
-
-		/*
-		 * enable hardware(power on) to all encoders hdmi connected
-		 * to current crtc.
-		 */
-		exynos_drm_crtc_dpms(crtc, mode);
-		/*
-		 * enable dma to all encoders connected to current crtc and
-		 * lcd panel.
-		 */
-		exynos_drm_fn_encoder(crtc, &mode,
-					exynos_drm_encoder_dpms_from_crtc);
-	}
-
-	exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe,
-			exynos_drm_encoder_crtc_commit);
-}
-
-static bool
-exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
-			    struct drm_display_mode *mode,
-			    struct drm_display_mode *adjusted_mode)
-{
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	/* drm framework doesn't check NULL */
-	return true;
-}
-
-static int
-exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
-			  struct drm_display_mode *adjusted_mode, int x, int y,
-			  struct drm_framebuffer *old_fb)
-{
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	/*
-	 * copy the mode data adjusted by mode_fixup() into crtc->mode
-	 * so that hardware can be seet to proper mode.
-	 */
-	memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
-
-	return exynos_drm_crtc_update(crtc);
-}
-
-static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
-					  struct drm_framebuffer *old_fb)
-{
-	int ret;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	ret = exynos_drm_crtc_update(crtc);
-	if (ret)
-		return ret;
-
-	exynos_drm_crtc_apply(crtc);
-
-	return ret;
-}
-
-static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc)
-{
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-	/* drm framework doesn't check NULL */
-}
-
-static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
-	.dpms		= exynos_drm_crtc_dpms,
-	.prepare	= exynos_drm_crtc_prepare,
-	.commit		= exynos_drm_crtc_commit,
-	.mode_fixup	= exynos_drm_crtc_mode_fixup,
-	.mode_set	= exynos_drm_crtc_mode_set,
-	.mode_set_base	= exynos_drm_crtc_mode_set_base,
-	.load_lut	= exynos_drm_crtc_load_lut,
-};
-
-static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
-				      struct drm_framebuffer *fb,
-				      struct drm_pending_vblank_event *event)
-{
-	struct drm_device *dev = crtc->dev;
-	struct exynos_drm_private *dev_priv = dev->dev_private;
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-	struct drm_framebuffer *old_fb = crtc->fb;
-	int ret = -EINVAL;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	mutex_lock(&dev->struct_mutex);
-
-	if (event) {
-		/*
-		 * the pipe from user always is 0 so we can set pipe number
-		 * of current owner to event.
-		 */
-		event->pipe = exynos_crtc->pipe;
-
-		ret = drm_vblank_get(dev, exynos_crtc->pipe);
-		if (ret) {
-			DRM_DEBUG("failed to acquire vblank counter\n");
-			list_del(&event->base.link);
-
-			goto out;
-		}
-
-		list_add_tail(&event->base.link,
-				&dev_priv->pageflip_event_list);
-
-		crtc->fb = fb;
-		ret = exynos_drm_crtc_update(crtc);
-		if (ret) {
-			crtc->fb = old_fb;
-			drm_vblank_put(dev, exynos_crtc->pipe);
-			list_del(&event->base.link);
-
-			goto out;
-		}
-
-		/*
-		 * the values related to a buffer of the drm framebuffer
-		 * to be applied should be set at here. because these values
-		 * first, are set to shadow registers and then to
-		 * real registers at vsync front porch period.
-		 */
-		exynos_drm_crtc_apply(crtc);
-	}
-out:
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-}
-
-static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-	struct exynos_drm_private *private = crtc->dev->dev_private;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	private->crtc[exynos_crtc->pipe] = NULL;
-
-	drm_crtc_cleanup(crtc);
-	kfree(exynos_crtc);
-}
-
-static struct drm_crtc_funcs exynos_crtc_funcs = {
-	.set_config	= drm_crtc_helper_set_config,
-	.page_flip	= exynos_drm_crtc_page_flip,
-	.destroy	= exynos_drm_crtc_destroy,
-};
-
-struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev,
-		struct drm_crtc *crtc)
-{
-	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-	return &exynos_crtc->overlay;
-}
-
-int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
-{
-	struct exynos_drm_crtc *exynos_crtc;
-	struct exynos_drm_private *private = dev->dev_private;
-	struct drm_crtc *crtc;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
-	if (!exynos_crtc) {
-		DRM_ERROR("failed to allocate exynos crtc\n");
-		return -ENOMEM;
-	}
-
-	exynos_crtc->pipe = nr;
-	exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
-	exynos_crtc->overlay.zpos = DEFAULT_ZPOS;
-	crtc = &exynos_crtc->drm_crtc;
-
-	private->crtc[nr] = crtc;
-
-	drm_crtc_init(dev, crtc, &exynos_crtc_funcs);
-	drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
-
-	return 0;
-}
-
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc)
-{
-	struct exynos_drm_private *private = dev->dev_private;
-	struct exynos_drm_crtc *exynos_crtc =
-		to_exynos_crtc(private->crtc[crtc]);
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
-		return -EPERM;
-
-	exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
-			exynos_drm_enable_vblank);
-
-	return 0;
-}
-
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
-{
-	struct exynos_drm_private *private = dev->dev_private;
-	struct exynos_drm_crtc *exynos_crtc =
-		to_exynos_crtc(private->crtc[crtc]);
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
-		return;
-
-	exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
-			exynos_drm_disable_vblank);
-}