[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / omapdrm / omap_plane.c

/*
 * drivers/gpu/drm/omapdrm/omap_plane.c
 *
 * Copyright (C) 2011 Texas Instruments
 * Author: Rob Clark <rob.clark@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "drm_flip_work.h"

#include "omap_drv.h"
#include "omap_dmm_tiler.h"

/* some hackery because omapdss has an 'enum omap_plane' (which would be
 * better named omap_plane_id).. and compiler seems unhappy about having
 * both a 'struct omap_plane' and 'enum omap_plane'
 */
#define omap_plane _omap_plane

/*
 * plane funcs
 */

struct callback {
	void (*fxn)(void *);
	void *arg;
};

#define to_omap_plane(x) container_of(x, struct omap_plane, base)

struct omap_plane {
	struct drm_plane base;
	int id;  /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
	const char *name;
	struct omap_overlay_info info;
	struct omap_drm_apply apply;

	/* position/orientation of scanout within the fb: */
	struct omap_drm_window win;
	bool enabled;

	/* last fb that we pinned: */
	struct drm_framebuffer *pinned_fb;

	uint32_t nformats;
	uint32_t formats[32];

	struct omap_drm_irq error_irq;

	/* for deferring bo unpin's until next post_apply(): */
	struct drm_flip_work unpin_work;

	// XXX maybe get rid of this and handle vblank in crtc too?
	struct callback apply_done_cb;
};

static void omap_plane_unpin_worker(struct drm_flip_work *work, void *val)
{
	struct omap_plane *omap_plane =
			container_of(work, struct omap_plane, unpin_work);
	struct drm_device *dev = omap_plane->base.dev;

	/*
	 * omap_framebuffer_pin/unpin are always called from priv->wq,
	 * so there's no need for locking here.
	 */
	omap_framebuffer_unpin(val);
	mutex_lock(&dev->mode_config.mutex);
	drm_framebuffer_unreference(val);
	mutex_unlock(&dev->mode_config.mutex);
}

/* update which fb (if any) is pinned for scanout */
static int omap_plane_update_pin(struct drm_plane *plane,
				 struct drm_framebuffer *fb)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);
	struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb;

	if (pinned_fb != fb) {
		int ret = 0;

		DBG("%p -> %p", pinned_fb, fb);

		if (fb) {
			drm_framebuffer_reference(fb);
			ret = omap_framebuffer_pin(fb);
		}

		if (pinned_fb)
			drm_flip_work_queue(&omap_plane->unpin_work, pinned_fb);

		if (ret) {
			dev_err(plane->dev->dev, "could not swap %p -> %p\n",
					omap_plane->pinned_fb, fb);
			drm_framebuffer_unreference(fb);
			omap_plane->pinned_fb = NULL;
			return ret;
		}

		omap_plane->pinned_fb = fb;
	}

	return 0;
}

static void omap_plane_pre_apply(struct omap_drm_apply *apply)
{
	struct omap_plane *omap_plane =
			container_of(apply, struct omap_plane, apply);
	struct omap_drm_window *win = &omap_plane->win;
	struct drm_plane *plane = &omap_plane->base;
	struct drm_device *dev = plane->dev;
	struct omap_overlay_info *info = &omap_plane->info;
	struct drm_crtc *crtc = plane->crtc;
	enum omap_channel channel;
	bool enabled = omap_plane->enabled && crtc;
	int ret;

	DBG("%s, enabled=%d", omap_plane->name, enabled);

	/* if fb has changed, pin new fb: */
	omap_plane_update_pin(plane, enabled ? plane->fb : NULL);

	if (!enabled) {
		dispc_ovl_enable(omap_plane->id, false);
		return;
	}

	channel = omap_crtc_channel(crtc);

	/* update scanout: */
	omap_framebuffer_update_scanout(plane->fb, win, info);

	DBG("%dx%d -> %dx%d (%d)", info->width, info->height,
			info->out_width, info->out_height,
			info->screen_width);
	DBG("%d,%d %pad %pad", info->pos_x, info->pos_y,
			&info->paddr, &info->p_uv_addr);

	/* and finally, update omapdss: */
	ret = dispc_ovl_setup(omap_plane->id, info, false,
			      omap_crtc_timings(crtc), false);
	if (ret) {
		dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret);
		return;
	}

	dispc_ovl_enable(omap_plane->id, true);
	dispc_ovl_set_channel_out(omap_plane->id, channel);
}

static void omap_plane_post_apply(struct omap_drm_apply *apply)
{
	struct omap_plane *omap_plane =
			container_of(apply, struct omap_plane, apply);
	struct drm_plane *plane = &omap_plane->base;
	struct omap_drm_private *priv = plane->dev->dev_private;
	struct callback cb;

	cb = omap_plane->apply_done_cb;
	omap_plane->apply_done_cb.fxn = NULL;

	drm_flip_work_commit(&omap_plane->unpin_work, priv->wq);

	if (cb.fxn)
		cb.fxn(cb.arg);
}

static int omap_plane_apply(struct drm_plane *plane)
{
	if (plane->crtc) {
		struct omap_plane *omap_plane = to_omap_plane(plane);
		return omap_crtc_apply(plane->crtc, &omap_plane->apply);
	}
	return 0;
}

int omap_plane_mode_set(struct drm_plane *plane,
			struct drm_crtc *crtc, struct drm_framebuffer *fb,
			int crtc_x, int crtc_y,
			unsigned int crtc_w, unsigned int crtc_h,
			unsigned int src_x, unsigned int src_y,
			unsigned int src_w, unsigned int src_h,
			void (*fxn)(void *), void *arg)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);
	struct omap_drm_window *win = &omap_plane->win;

	win->crtc_x = crtc_x;
	win->crtc_y = crtc_y;
	win->crtc_w = crtc_w;
	win->crtc_h = crtc_h;

	win->src_x = src_x;
	win->src_y = src_y;
	win->src_w = src_w;
	win->src_h = src_h;

	if (fxn) {
		/* omap_crtc should ensure that a new page flip
		 * isn't permitted while there is one pending:
		 */
		BUG_ON(omap_plane->apply_done_cb.fxn);

		omap_plane->apply_done_cb.fxn = fxn;
		omap_plane->apply_done_cb.arg = arg;
	}

	return omap_plane_apply(plane);
}

static int omap_plane_update(struct drm_plane *plane,
		struct drm_crtc *crtc, struct drm_framebuffer *fb,
		int crtc_x, int crtc_y,
		unsigned int crtc_w, unsigned int crtc_h,
		uint32_t src_x, uint32_t src_y,
		uint32_t src_w, uint32_t src_h)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);
	omap_plane->enabled = true;

	/* omap_plane_mode_set() takes adjusted src */
	switch (omap_plane->win.rotation & 0xf) {
	case BIT(DRM_ROTATE_90):
	case BIT(DRM_ROTATE_270):
		swap(src_w, src_h);
		break;
	}

	/*
	 * We don't need to take a reference to the framebuffer as the DRM core
	 * has already done so for the purpose of setting plane->fb.
	 */
	plane->fb = fb;
	plane->crtc = crtc;

	/* src values are in Q16 fixed point, convert to integer: */
	return omap_plane_mode_set(plane, crtc, fb,
			crtc_x, crtc_y, crtc_w, crtc_h,
			src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16,
			NULL, NULL);
}

static int omap_plane_disable(struct drm_plane *plane)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);

	omap_plane->win.rotation = BIT(DRM_ROTATE_0);
	omap_plane->info.zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
				? 0 : omap_plane->id;

	return omap_plane_set_enable(plane, false);
}

static void omap_plane_destroy(struct drm_plane *plane)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);

	DBG("%s", omap_plane->name);

	omap_irq_unregister(plane->dev, &omap_plane->error_irq);

	drm_plane_cleanup(plane);

	drm_flip_work_cleanup(&omap_plane->unpin_work);

	kfree(omap_plane);
}

int omap_plane_set_enable(struct drm_plane *plane, bool enable)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);

	if (enable == omap_plane->enabled)
		return 0;

	omap_plane->enabled = enable;
	return omap_plane_apply(plane);
}

/* helper to install properties which are common to planes and crtcs */
void omap_plane_install_properties(struct drm_plane *plane,
		struct drm_mode_object *obj)
{
	struct drm_device *dev = plane->dev;
	struct omap_drm_private *priv = dev->dev_private;
	struct drm_property *prop;

	if (priv->has_dmm) {
		prop = priv->rotation_prop;
		if (!prop) {
			prop = drm_mode_create_rotation_property(dev,
								 BIT(DRM_ROTATE_0) |
								 BIT(DRM_ROTATE_90) |
								 BIT(DRM_ROTATE_180) |
								 BIT(DRM_ROTATE_270) |
								 BIT(DRM_REFLECT_X) |
								 BIT(DRM_REFLECT_Y));
			if (prop == NULL)
				return;
			priv->rotation_prop = prop;
		}
		drm_object_attach_property(obj, prop, 0);
	}

	prop = priv->zorder_prop;
	if (!prop) {
		prop = drm_property_create_range(dev, 0, "zorder", 0, 3);
		if (prop == NULL)
			return;
		priv->zorder_prop = prop;
	}
	drm_object_attach_property(obj, prop, 0);
}

int omap_plane_set_property(struct drm_plane *plane,
		struct drm_property *property, uint64_t val)
{
	struct omap_plane *omap_plane = to_omap_plane(plane);
	struct omap_drm_private *priv = plane->dev->dev_private;
	int ret = -EINVAL;

	if (property == priv->rotation_prop) {
		DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val);
		omap_plane->win.rotation = val;
		ret = omap_plane_apply(plane);
	} else if (property == priv->zorder_prop) {
		DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val);
		omap_plane->info.zorder = val;
		ret = omap_plane_apply(plane);
	}

	return ret;
}

static const struct drm_plane_funcs omap_plane_funcs = {
	.update_plane = omap_plane_update,
	.disable_plane = omap_plane_disable,
	.destroy = omap_plane_destroy,
	.set_property = omap_plane_set_property,
};

static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
{
	struct omap_plane *omap_plane =
			container_of(irq, struct omap_plane, error_irq);
	DRM_ERROR("%s: errors: %08x\n", omap_plane->name, irqstatus);
}

static const char *plane_names[] = {
	[OMAP_DSS_GFX] = "gfx",
	[OMAP_DSS_VIDEO1] = "vid1",
	[OMAP_DSS_VIDEO2] = "vid2",
	[OMAP_DSS_VIDEO3] = "vid3",
};

static const uint32_t error_irqs[] = {
	[OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
	[OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
	[OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
	[OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
};

/* initialize plane */
struct drm_plane *omap_plane_init(struct drm_device *dev,
		int id, enum drm_plane_type type)
{
	struct omap_drm_private *priv = dev->dev_private;
	struct drm_plane *plane;
	struct omap_plane *omap_plane;
	struct omap_overlay_info *info;
	int ret;

	DBG("%s: type=%d", plane_names[id], type);

	omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
	if (!omap_plane)
		return ERR_PTR(-ENOMEM);

	drm_flip_work_init(&omap_plane->unpin_work,
			"unpin", omap_plane_unpin_worker);

	omap_plane->nformats = omap_framebuffer_get_formats(
			omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
			dss_feat_get_supported_color_modes(id));
	omap_plane->id = id;
	omap_plane->name = plane_names[id];

	plane = &omap_plane->base;

	omap_plane->apply.pre_apply  = omap_plane_pre_apply;
	omap_plane->apply.post_apply = omap_plane_post_apply;

	omap_plane->error_irq.irqmask = error_irqs[id];
	omap_plane->error_irq.irq = omap_plane_error_irq;
	omap_irq_register(dev, &omap_plane->error_irq);

	ret = drm_universal_plane_init(dev, plane, (1 << priv->num_crtcs) - 1,
				       &omap_plane_funcs, omap_plane->formats,
				       omap_plane->nformats, type);
	if (ret < 0)
		goto error;

	omap_plane_install_properties(plane, &plane->base);

	/* get our starting configuration, set defaults for parameters
	 * we don't currently use, etc:
	 */
	info = &omap_plane->info;
	info->rotation_type = OMAP_DSS_ROT_DMA;
	info->rotation = OMAP_DSS_ROT_0;
	info->global_alpha = 0xff;
	info->mirror = 0;

	/* Set defaults depending on whether we are a CRTC or overlay
	 * layer.
	 * TODO add ioctl to give userspace an API to change this.. this
	 * will come in a subsequent patch.
	 */
	if (type == DRM_PLANE_TYPE_PRIMARY)
		omap_plane->info.zorder = 0;
	else
		omap_plane->info.zorder = id;

	return plane;

error:
	omap_irq_unregister(plane->dev, &omap_plane->error_irq);
	kfree(omap_plane);
	return NULL;
}
Commit	Line	Data
bb5c2d9a	1	/*
8bb0daff	2	* drivers/gpu/drm/omapdrm/omap_plane.c
bb5c2d9a RC	3	*
	4	* Copyright (C) 2011 Texas Instruments
	5	* Author: Rob Clark <rob.clark@linaro.org>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License version 2 as published by
	9	* the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
5833bd2f	20	#include "drm_flip_work.h"
b33f34d3	21
bb5c2d9a	22	#include "omap_drv.h"
3c810c61	23	#include "omap_dmm_tiler.h"
bb5c2d9a RC	24
	25	/* some hackery because omapdss has an 'enum omap_plane' (which would be
	26	* better named omap_plane_id).. and compiler seems unhappy about having
	27	* both a 'struct omap_plane' and 'enum omap_plane'
	28	*/
	29	#define omap_plane _omap_plane
	30
	31	/*
	32	* plane funcs
	33	*/
	34
72d0c336 RC	35	struct callback {
	36	void (fxn)(void );
	37	void *arg;
	38	};
	39
bb5c2d9a RC	40	#define to_omap_plane(x) container_of(x, struct omap_plane, base)
	41
	42	struct omap_plane {
	43	struct drm_plane base;
f5f9454c RC	44	int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
f5f9454c RC	45	const char *name;
bb5c2d9a	46	struct omap_overlay_info info;
f5f9454c	47	struct omap_drm_apply apply;
bb5c2d9a	48
3c810c61 RC	49	/* position/orientation of scanout within the fb: */
3c810c61 RC	50	struct omap_drm_window win;
f5f9454c	51	bool enabled;
9a0774e0 RC	52
	53	/* last fb that we pinned: */
	54	struct drm_framebuffer *pinned_fb;
bb5c2d9a	55
a890e662 RC	56	uint32_t nformats;
a890e662 RC	57	uint32_t formats[32];
b33f34d3	58
f5f9454c	59	struct omap_drm_irq error_irq;
b33f34d3	60
5833bd2f RC	61	/* for deferring bo unpin's until next post_apply(): */
5833bd2f RC	62	struct drm_flip_work unpin_work;
b33f34d3	63
f5f9454c RC	64	// XXX maybe get rid of this and handle vblank in crtc too?
f5f9454c RC	65	struct callback apply_done_cb;
a890e662	66	};
bb5c2d9a	67
2a438c5b	68	static void omap_plane_unpin_worker(struct drm_flip_work work, void val)
b33f34d3	69	{
5833bd2f RC	70	struct omap_plane *omap_plane =
	71	container_of(work, struct omap_plane, unpin_work);
	72	struct drm_device *dev = omap_plane->base.dev;
b33f34d3	73
f7c5f5d9 TV	74	/*
	75	* omap_framebuffer_pin/unpin are always called from priv->wq,
	76	* so there's no need for locking here.
	77	*/
5833bd2f RC	78	omap_framebuffer_unpin(val);
	79	mutex_lock(&dev->mode_config.mutex);
	80	drm_framebuffer_unreference(val);
	81	mutex_unlock(&dev->mode_config.mutex);
b33f34d3 RC	82	}
b33f34d3 RC	83
9a0774e0	84	/* update which fb (if any) is pinned for scanout */
2a438c5b LP	85	static int omap_plane_update_pin(struct drm_plane *plane,
2a438c5b LP	86	struct drm_framebuffer *fb)
9a0774e0 RC	87	{
9a0774e0 RC	88	struct omap_plane *omap_plane = to_omap_plane(plane);
b33f34d3 RC	89	struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb;
	90
	91	if (pinned_fb != fb) {
5833bd2f	92	int ret = 0;
b33f34d3 RC	93
	94	DBG("%p -> %p", pinned_fb, fb);
	95
5833bd2f	96	if (fb) {
f5f9454c	97	drm_framebuffer_reference(fb);
5833bd2f RC	98	ret = omap_framebuffer_pin(fb);
5833bd2f RC	99	}
f5f9454c RC	100
f5f9454c RC	101	if (pinned_fb)
5833bd2f	102	drm_flip_work_queue(&omap_plane->unpin_work, pinned_fb);
b33f34d3 RC	103
	104	if (ret) {
	105	dev_err(plane->dev->dev, "could not swap %p -> %p\n",
	106	omap_plane->pinned_fb, fb);
5833bd2f	107	drm_framebuffer_unreference(fb);
b33f34d3 RC	108	omap_plane->pinned_fb = NULL;
	109	return ret;
	110	}
9a0774e0	111
9a0774e0	112	omap_plane->pinned_fb = fb;
9a0774e0 RC	113	}
9a0774e0 RC	114
b33f34d3	115	return 0;
9a0774e0 RC	116	}
9a0774e0 RC	117
f5f9454c	118	static void omap_plane_pre_apply(struct omap_drm_apply *apply)
bb5c2d9a	119	{
f5f9454c RC	120	struct omap_plane *omap_plane =
f5f9454c RC	121	container_of(apply, struct omap_plane, apply);
3c810c61	122	struct omap_drm_window *win = &omap_plane->win;
f5f9454c RC	123	struct drm_plane *plane = &omap_plane->base;
	124	struct drm_device *dev = plane->dev;
	125	struct omap_overlay_info *info = &omap_plane->info;
	126	struct drm_crtc *crtc = plane->crtc;
	127	enum omap_channel channel;
	128	bool enabled = omap_plane->enabled && crtc;
9a0774e0	129	int ret;
bb5c2d9a	130
f5f9454c RC	131	DBG("%s, enabled=%d", omap_plane->name, enabled);
	132
	133	/* if fb has changed, pin new fb: */
2a438c5b	134	omap_plane_update_pin(plane, enabled ? plane->fb : NULL);
f5f9454c RC	135
	136	if (!enabled) {
	137	dispc_ovl_enable(omap_plane->id, false);
2f53700d	138	return;
9a0774e0	139	}
bb5c2d9a	140
f5f9454c RC	141	channel = omap_crtc_channel(crtc);
	142
	143	/* update scanout: */
3c810c61	144	omap_framebuffer_update_scanout(plane->fb, win, info);
bb5c2d9a	145
f5f9454c RC	146	DBG("%dx%d -> %dx%d (%d)", info->width, info->height,
f5f9454c RC	147	info->out_width, info->out_height,
9a0774e0	148	info->screen_width);
2d31ca3a RK	149	DBG("%d,%d %pad %pad", info->pos_x, info->pos_y,
2d31ca3a RK	150	&info->paddr, &info->p_uv_addr);
f5f9454c	151
f5f9454c	152	/* and finally, update omapdss: */
9c660b7c LP	153	ret = dispc_ovl_setup(omap_plane->id, info, false,
9c660b7c LP	154	omap_crtc_timings(crtc), false);
f5f9454c RC	155	if (ret) {
	156	dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret);
	157	return;
	158	}
	159
	160	dispc_ovl_enable(omap_plane->id, true);
	161	dispc_ovl_set_channel_out(omap_plane->id, channel);
	162	}
	163
	164	static void omap_plane_post_apply(struct omap_drm_apply *apply)
	165	{
	166	struct omap_plane *omap_plane =
	167	container_of(apply, struct omap_plane, apply);
	168	struct drm_plane *plane = &omap_plane->base;
5833bd2f	169	struct omap_drm_private *priv = plane->dev->dev_private;
f5f9454c RC	170	struct callback cb;
	171
	172	cb = omap_plane->apply_done_cb;
	173	omap_plane->apply_done_cb.fxn = NULL;
	174
5833bd2f	175	drm_flip_work_commit(&omap_plane->unpin_work, priv->wq);
f5f9454c RC	176
	177	if (cb.fxn)
	178	cb.fxn(cb.arg);
f5f9454c RC	179	}
f5f9454c RC	180
2a438c5b	181	static int omap_plane_apply(struct drm_plane *plane)
f5f9454c RC	182	{
	183	if (plane->crtc) {
	184	struct omap_plane *omap_plane = to_omap_plane(plane);
	185	return omap_crtc_apply(plane->crtc, &omap_plane->apply);
	186	}
	187	return 0;
bb5c2d9a RC	188	}
bb5c2d9a RC	189
2f53700d	190	int omap_plane_mode_set(struct drm_plane *plane,
a350da8b LP	191	struct drm_crtc crtc, struct drm_framebuffer fb,
	192	int crtc_x, int crtc_y,
	193	unsigned int crtc_w, unsigned int crtc_h,
	194	unsigned int src_x, unsigned int src_y,
	195	unsigned int src_w, unsigned int src_h,
	196	void (fxn)(void ), void *arg)
bb5c2d9a RC	197	{
bb5c2d9a RC	198	struct omap_plane *omap_plane = to_omap_plane(plane);
3c810c61 RC	199	struct omap_drm_window *win = &omap_plane->win;
	200
	201	win->crtc_x = crtc_x;
	202	win->crtc_y = crtc_y;
	203	win->crtc_w = crtc_w;
	204	win->crtc_h = crtc_h;
bb5c2d9a	205
a350da8b LP	206	win->src_x = src_x;
	207	win->src_y = src_y;
	208	win->src_w = src_w;
	209	win->src_h = src_h;
bb5c2d9a	210
f5f9454c RC	211	if (fxn) {
	212	/* omap_crtc should ensure that a new page flip
	213	* isn't permitted while there is one pending:
	214	*/
	215	BUG_ON(omap_plane->apply_done_cb.fxn);
	216
	217	omap_plane->apply_done_cb.fxn = fxn;
	218	omap_plane->apply_done_cb.arg = arg;
	219	}
	220
2a438c5b	221	return omap_plane_apply(plane);
bb5c2d9a RC	222	}
bb5c2d9a RC	223
2f53700d RC	224	static int omap_plane_update(struct drm_plane *plane,
	225	struct drm_crtc crtc, struct drm_framebuffer fb,
	226	int crtc_x, int crtc_y,
	227	unsigned int crtc_w, unsigned int crtc_h,
	228	uint32_t src_x, uint32_t src_y,
	229	uint32_t src_w, uint32_t src_h)
	230	{
f5f9454c RC	231	struct omap_plane *omap_plane = to_omap_plane(plane);
f5f9454c RC	232	omap_plane->enabled = true;
b03e14fd	233
d4586604 GI	234	/* omap_plane_mode_set() takes adjusted src */
	235	switch (omap_plane->win.rotation & 0xf) {
	236	case BIT(DRM_ROTATE_90):
	237	case BIT(DRM_ROTATE_270):
	238	swap(src_w, src_h);
	239	break;
	240	}
	241
ef6b0e02 LP	242	/*
	243	* We don't need to take a reference to the framebuffer as the DRM core
	244	* has already done so for the purpose of setting plane->fb.
	245	*/
	246	plane->fb = fb;
	247	plane->crtc = crtc;
	248
a350da8b	249	/* src values are in Q16 fixed point, convert to integer: */
f5f9454c RC	250	return omap_plane_mode_set(plane, crtc, fb,
f5f9454c RC	251	crtc_x, crtc_y, crtc_w, crtc_h,
a350da8b	252	src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16,
f5f9454c	253	NULL, NULL);
2f53700d RC	254	}
2f53700d RC	255
bb5c2d9a RC	256	static int omap_plane_disable(struct drm_plane *plane)
bb5c2d9a RC	257	{
3c810c61	258	struct omap_plane *omap_plane = to_omap_plane(plane);
2debab97	259
3c810c61	260	omap_plane->win.rotation = BIT(DRM_ROTATE_0);
82e58855 LP	261	omap_plane->info.zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
	262	? 0 : omap_plane->id;
	263
2debab97	264	return omap_plane_set_enable(plane, false);
bb5c2d9a RC	265	}
	266
	267	static void omap_plane_destroy(struct drm_plane *plane)
	268	{
	269	struct omap_plane *omap_plane = to_omap_plane(plane);
f5f9454c RC	270
	271	DBG("%s", omap_plane->name);
	272
	273	omap_irq_unregister(plane->dev, &omap_plane->error_irq);
	274
bb5c2d9a	275	drm_plane_cleanup(plane);
f5f9454c	276
5833bd2f	277	drm_flip_work_cleanup(&omap_plane->unpin_work);
f5f9454c	278
bb5c2d9a RC	279	kfree(omap_plane);
	280	}
	281
2debab97	282	int omap_plane_set_enable(struct drm_plane *plane, bool enable)
bb5c2d9a RC	283	{
	284	struct omap_plane *omap_plane = to_omap_plane(plane);
	285
2debab97 LP	286	if (enable == omap_plane->enabled)
2debab97 LP	287	return 0;
bb5c2d9a	288
2debab97	289	omap_plane->enabled = enable;
2a438c5b	290	return omap_plane_apply(plane);
72d0c336 RC	291	}
72d0c336 RC	292
3c810c61 RC	293	/* helper to install properties which are common to planes and crtcs */
	294	void omap_plane_install_properties(struct drm_plane *plane,
	295	struct drm_mode_object *obj)
	296	{
	297	struct drm_device *dev = plane->dev;
	298	struct omap_drm_private *priv = dev->dev_private;
	299	struct drm_property *prop;
	300
c2a6a552 RC	301	if (priv->has_dmm) {
	302	prop = priv->rotation_prop;
	303	if (!prop) {
a4969dd7 VS	304	prop = drm_mode_create_rotation_property(dev,
	305	BIT(DRM_ROTATE_0) \|
	306	BIT(DRM_ROTATE_90) \|
	307	BIT(DRM_ROTATE_180) \|
	308	BIT(DRM_ROTATE_270) \|
	309	BIT(DRM_REFLECT_X) \|
	310	BIT(DRM_REFLECT_Y));
c2a6a552 RC	311	if (prop == NULL)
	312	return;
	313	priv->rotation_prop = prop;
	314	}
	315	drm_object_attach_property(obj, prop, 0);
3c810c61	316	}
8451b5ad	317
c17d37df YT	318	prop = priv->zorder_prop;
c17d37df YT	319	if (!prop) {
8451b5ad AR	320	prop = drm_property_create_range(dev, 0, "zorder", 0, 3);
	321	if (prop == NULL)
	322	return;
	323	priv->zorder_prop = prop;
	324	}
	325	drm_object_attach_property(obj, prop, 0);
3c810c61 RC	326	}
	327
	328	int omap_plane_set_property(struct drm_plane *plane,
	329	struct drm_property *property, uint64_t val)
	330	{
	331	struct omap_plane *omap_plane = to_omap_plane(plane);
	332	struct omap_drm_private *priv = plane->dev->dev_private;
	333	int ret = -EINVAL;
	334
	335	if (property == priv->rotation_prop) {
f5f9454c	336	DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val);
3c810c61	337	omap_plane->win.rotation = val;
2a438c5b	338	ret = omap_plane_apply(plane);
8451b5ad	339	} else if (property == priv->zorder_prop) {
f5f9454c	340	DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val);
8451b5ad	341	omap_plane->info.zorder = val;
2a438c5b	342	ret = omap_plane_apply(plane);
3c810c61 RC	343	}
	344
	345	return ret;
	346	}
	347
bb5c2d9a	348	static const struct drm_plane_funcs omap_plane_funcs = {
222025e4 LP	349	.update_plane = omap_plane_update,
	350	.disable_plane = omap_plane_disable,
	351	.destroy = omap_plane_destroy,
	352	.set_property = omap_plane_set_property,
bb5c2d9a RC	353	};
bb5c2d9a RC	354
f5f9454c RC	355	static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
	356	{
	357	struct omap_plane *omap_plane =
	358	container_of(irq, struct omap_plane, error_irq);
	359	DRM_ERROR("%s: errors: %08x\n", omap_plane->name, irqstatus);
	360	}
	361
	362	static const char *plane_names[] = {
222025e4 LP	363	[OMAP_DSS_GFX] = "gfx",
	364	[OMAP_DSS_VIDEO1] = "vid1",
	365	[OMAP_DSS_VIDEO2] = "vid2",
	366	[OMAP_DSS_VIDEO3] = "vid3",
f5f9454c RC	367	};
	368
	369	static const uint32_t error_irqs[] = {
222025e4 LP	370	[OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
	371	[OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
	372	[OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
	373	[OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
f5f9454c RC	374	};
f5f9454c RC	375
bb5c2d9a RC	376	/* initialize plane */
bb5c2d9a RC	377	struct drm_plane omap_plane_init(struct drm_device dev,
ef6b0e02	378	int id, enum drm_plane_type type)
bb5c2d9a	379	{
f5f9454c	380	struct omap_drm_private *priv = dev->dev_private;
ef6b0e02	381	struct drm_plane *plane;
bb5c2d9a	382	struct omap_plane *omap_plane;
f5f9454c	383	struct omap_overlay_info *info;
ef6b0e02	384	int ret;
bb5c2d9a	385
ef6b0e02	386	DBG("%s: type=%d", plane_names[id], type);
b33f34d3	387
bb5c2d9a	388	omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
78110bb8	389	if (!omap_plane)
fb9a35f8	390	return ERR_PTR(-ENOMEM);
bb5c2d9a	391
d7f8db53	392	drm_flip_work_init(&omap_plane->unpin_work,
2a438c5b	393	"unpin", omap_plane_unpin_worker);
b33f34d3	394
a890e662 RC	395	omap_plane->nformats = omap_framebuffer_get_formats(
a890e662 RC	396	omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
f5f9454c RC	397	dss_feat_get_supported_color_modes(id));
	398	omap_plane->id = id;
	399	omap_plane->name = plane_names[id];
	400
bb5c2d9a RC	401	plane = &omap_plane->base;
bb5c2d9a RC	402
f5f9454c RC	403	omap_plane->apply.pre_apply = omap_plane_pre_apply;
	404	omap_plane->apply.post_apply = omap_plane_post_apply;
	405
	406	omap_plane->error_irq.irqmask = error_irqs[id];
	407	omap_plane->error_irq.irq = omap_plane_error_irq;
	408	omap_irq_register(dev, &omap_plane->error_irq);
	409
ef6b0e02 LP	410	ret = drm_universal_plane_init(dev, plane, (1 << priv->num_crtcs) - 1,
	411	&omap_plane_funcs, omap_plane->formats,
	412	omap_plane->nformats, type);
	413	if (ret < 0)
	414	goto error;
bb5c2d9a	415
3c810c61 RC	416	omap_plane_install_properties(plane, &plane->base);
3c810c61 RC	417
bb5c2d9a RC	418	/* get our starting configuration, set defaults for parameters
	419	* we don't currently use, etc:
	420	*/
f5f9454c RC	421	info = &omap_plane->info;
	422	info->rotation_type = OMAP_DSS_ROT_DMA;
	423	info->rotation = OMAP_DSS_ROT_0;
	424	info->global_alpha = 0xff;
	425	info->mirror = 0;
bb5c2d9a RC	426
	427	/* Set defaults depending on whether we are a CRTC or overlay
	428	* layer.
	429	* TODO add ioctl to give userspace an API to change this.. this
	430	* will come in a subsequent patch.
	431	*/
ef6b0e02	432	if (type == DRM_PLANE_TYPE_PRIMARY)
bb5c2d9a RC	433	omap_plane->info.zorder = 0;
bb5c2d9a RC	434	else
f5f9454c	435	omap_plane->info.zorder = id;
bb5c2d9a RC	436
bb5c2d9a RC	437	return plane;
ef6b0e02 LP	438
	439	error:
	440	omap_irq_unregister(plane->dev, &omap_plane->error_irq);
	441	kfree(omap_plane);
	442	return NULL;
bb5c2d9a	443	}