--- /dev/null
+/*
+ * Copyright (C) 2012 Russell King
+ * Rewritten from the dovefb driver, and Armada510 manuals.
+ *
+ * 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.
+ */
+#include <drm/drmP.h>
+#include "armada_crtc.h"
+#include "armada_drm.h"
+#include "armada_fb.h"
+#include "armada_gem.h"
+#include "armada_hw.h"
+#include <drm/armada_drm.h>
+#include "armada_ioctlP.h"
+
+struct armada_plane_properties {
+ uint32_t colorkey_yr;
+ uint32_t colorkey_ug;
+ uint32_t colorkey_vb;
+#define K2R(val) (((val) >> 0) & 0xff)
+#define K2G(val) (((val) >> 8) & 0xff)
+#define K2B(val) (((val) >> 16) & 0xff)
+ int16_t brightness;
+ uint16_t contrast;
+ uint16_t saturation;
+ uint32_t colorkey_mode;
+};
+
+struct armada_plane {
+ struct drm_plane base;
+ spinlock_t lock;
+ struct drm_framebuffer *old_fb;
+ uint32_t src_hw;
+ uint32_t dst_hw;
+ uint32_t dst_yx;
+ uint32_t ctrl0;
+ struct {
+ struct armada_vbl_event update;
+ struct armada_regs regs[13];
+ wait_queue_head_t wait;
+ } vbl;
+ struct armada_plane_properties prop;
+};
+#define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
+
+
+static void
+armada_ovl_update_attr(struct armada_plane_properties *prop,
+ struct armada_crtc *dcrtc)
+{
+ writel_relaxed(prop->colorkey_yr, dcrtc->base + LCD_SPU_COLORKEY_Y);
+ writel_relaxed(prop->colorkey_ug, dcrtc->base + LCD_SPU_COLORKEY_U);
+ writel_relaxed(prop->colorkey_vb, dcrtc->base + LCD_SPU_COLORKEY_V);
+
+ writel_relaxed(prop->brightness << 16 | prop->contrast,
+ dcrtc->base + LCD_SPU_CONTRAST);
+ /* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */
+ writel_relaxed(prop->saturation << 16,
+ dcrtc->base + LCD_SPU_SATURATION);
+ writel_relaxed(0x00002000, dcrtc->base + LCD_SPU_CBSH_HUE);
+
+ spin_lock_irq(&dcrtc->irq_lock);
+ armada_updatel(prop->colorkey_mode | CFG_ALPHAM_GRA,
+ CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
+ dcrtc->base + LCD_SPU_DMA_CTRL1);
+
+ armada_updatel(ADV_GRACOLORKEY, 0, dcrtc->base + LCD_SPU_ADV_REG);
+ spin_unlock_irq(&dcrtc->irq_lock);
+}
+
+/* === Plane support === */
+static void armada_plane_vbl(struct armada_crtc *dcrtc, void *data)
+{
+ struct armada_plane *dplane = data;
+ struct drm_framebuffer *fb;
+
+ armada_drm_crtc_update_regs(dcrtc, dplane->vbl.regs);
+
+ spin_lock(&dplane->lock);
+ fb = dplane->old_fb;
+ dplane->old_fb = NULL;
+ spin_unlock(&dplane->lock);
+
+ if (fb)
+ armada_drm_queue_unref_work(dcrtc->crtc.dev, fb);
+}
+
+static unsigned armada_limit(int start, unsigned size, unsigned max)
+{
+ int end = start + size;
+ if (end < 0)
+ return 0;
+ if (start < 0)
+ start = 0;
+ return (unsigned)end > max ? max - start : end - start;
+}
+
+static int
+armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h,
+ uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h)
+{
+ struct armada_plane *dplane = drm_to_armada_plane(plane);
+ struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
+ uint32_t val, ctrl0;
+ unsigned idx = 0;
+ int ret;
+
+ crtc_w = armada_limit(crtc_x, crtc_w, dcrtc->crtc.mode.hdisplay);
+ crtc_h = armada_limit(crtc_y, crtc_h, dcrtc->crtc.mode.vdisplay);
+ ctrl0 = CFG_DMA_FMT(drm_fb_to_armada_fb(fb)->fmt) |
+ CFG_DMA_MOD(drm_fb_to_armada_fb(fb)->mod) |
+ CFG_CBSH_ENA | CFG_DMA_HSMOOTH | CFG_DMA_ENA;
+
+ /* Does the position/size result in nothing to display? */
+ if (crtc_w == 0 || crtc_h == 0) {
+ ctrl0 &= ~CFG_DMA_ENA;
+ }
+
+ /*
+ * FIXME: if the starting point is off screen, we need to
+ * adjust src_x, src_y, src_w, src_h appropriately, and
+ * according to the scale.
+ */
+
+ if (!dcrtc->plane) {
+ dcrtc->plane = plane;
+ armada_ovl_update_attr(&dplane->prop, dcrtc);
+ }
+
+ /* FIXME: overlay on an interlaced display */
+ /* Just updating the position/size? */
+ if (plane->fb == fb && dplane->ctrl0 == ctrl0) {
+ val = (src_h & 0xffff0000) | src_w >> 16;
+ dplane->src_hw = val;
+ writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_HPXL_VLN);
+ val = crtc_h << 16 | crtc_w;
+ dplane->dst_hw = val;
+ writel_relaxed(val, dcrtc->base + LCD_SPU_DZM_HPXL_VLN);
+ val = crtc_y << 16 | crtc_x;
+ dplane->dst_yx = val;
+ writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_OVSA_HPXL_VLN);
+ return 0;
+ } else if (~dplane->ctrl0 & ctrl0 & CFG_DMA_ENA) {
+ /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */
+ armada_updatel(0, CFG_PDWN16x66 | CFG_PDWN32x66,
+ dcrtc->base + LCD_SPU_SRAM_PARA1);
+ }
+
+ ret = wait_event_timeout(dplane->vbl.wait,
+ list_empty(&dplane->vbl.update.node),
+ HZ/25);
+ if (ret < 0)
+ return ret;
+
+ if (plane->fb != fb) {
+ struct armada_gem_object *obj = drm_fb_obj(fb);
+ uint32_t sy, su, sv;
+
+ /*
+ * Take a reference on the new framebuffer - we want to
+ * hold on to it while the hardware is displaying it.
+ */
+ drm_framebuffer_reference(fb);
+
+ if (plane->fb) {
+ struct drm_framebuffer *older_fb;
+
+ spin_lock_irq(&dplane->lock);
+ older_fb = dplane->old_fb;
+ dplane->old_fb = plane->fb;
+ spin_unlock_irq(&dplane->lock);
+ if (older_fb)
+ armada_drm_queue_unref_work(dcrtc->crtc.dev,
+ older_fb);
+ }
+
+ src_y >>= 16;
+ src_x >>= 16;
+ sy = obj->dev_addr + fb->offsets[0] + src_y * fb->pitches[0] +
+ src_x * fb->bits_per_pixel / 8;
+ su = obj->dev_addr + fb->offsets[1] + src_y * fb->pitches[1] +
+ src_x;
+ sv = obj->dev_addr + fb->offsets[2] + src_y * fb->pitches[2] +
+ src_x;
+
+ armada_reg_queue_set(dplane->vbl.regs, idx, sy,
+ LCD_SPU_DMA_START_ADDR_Y0);
+ armada_reg_queue_set(dplane->vbl.regs, idx, su,
+ LCD_SPU_DMA_START_ADDR_U0);
+ armada_reg_queue_set(dplane->vbl.regs, idx, sv,
+ LCD_SPU_DMA_START_ADDR_V0);
+ armada_reg_queue_set(dplane->vbl.regs, idx, sy,
+ LCD_SPU_DMA_START_ADDR_Y1);
+ armada_reg_queue_set(dplane->vbl.regs, idx, su,
+ LCD_SPU_DMA_START_ADDR_U1);
+ armada_reg_queue_set(dplane->vbl.regs, idx, sv,
+ LCD_SPU_DMA_START_ADDR_V1);
+
+ val = fb->pitches[0] << 16 | fb->pitches[0];
+ armada_reg_queue_set(dplane->vbl.regs, idx, val,
+ LCD_SPU_DMA_PITCH_YC);
+ val = fb->pitches[1] << 16 | fb->pitches[2];
+ armada_reg_queue_set(dplane->vbl.regs, idx, val,
+ LCD_SPU_DMA_PITCH_UV);
+ }
+
+ val = (src_h & 0xffff0000) | src_w >> 16;
+ if (dplane->src_hw != val) {
+ dplane->src_hw = val;
+ armada_reg_queue_set(dplane->vbl.regs, idx, val,
+ LCD_SPU_DMA_HPXL_VLN);
+ }
+ val = crtc_h << 16 | crtc_w;
+ if (dplane->dst_hw != val) {
+ dplane->dst_hw = val;
+ armada_reg_queue_set(dplane->vbl.regs, idx, val,
+ LCD_SPU_DZM_HPXL_VLN);
+ }
+ val = crtc_y << 16 | crtc_x;
+ if (dplane->dst_yx != val) {
+ dplane->dst_yx = val;
+ armada_reg_queue_set(dplane->vbl.regs, idx, val,
+ LCD_SPU_DMA_OVSA_HPXL_VLN);
+ }
+ if (dplane->ctrl0 != ctrl0) {
+ dplane->ctrl0 = ctrl0;
+ armada_reg_queue_mod(dplane->vbl.regs, idx, ctrl0,
+ CFG_CBSH_ENA | CFG_DMAFORMAT | CFG_DMA_FTOGGLE |
+ CFG_DMA_HSMOOTH | CFG_DMA_TSTMODE |
+ CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV | CFG_SWAPYU |
+ CFG_YUV2RGB) | CFG_DMA_ENA,
+ LCD_SPU_DMA_CTRL0);
+ }
+ if (idx) {
+ armada_reg_queue_end(dplane->vbl.regs, idx);
+ armada_drm_vbl_event_add(dcrtc, &dplane->vbl.update);
+ }
+ return 0;
+}
+
+static int armada_plane_disable(struct drm_plane *plane)
+{
+ struct armada_plane *dplane = drm_to_armada_plane(plane);
+ struct drm_framebuffer *fb;
+ struct armada_crtc *dcrtc;
+
+ if (!dplane->base.crtc)
+ return 0;
+
+ dcrtc = drm_to_armada_crtc(dplane->base.crtc);
+ dcrtc->plane = NULL;
+
+ spin_lock_irq(&dcrtc->irq_lock);
+ armada_drm_vbl_event_remove(dcrtc, &dplane->vbl.update);
+ armada_updatel(0, CFG_DMA_ENA, dcrtc->base + LCD_SPU_DMA_CTRL0);
+ dplane->ctrl0 = 0;
+ spin_unlock_irq(&dcrtc->irq_lock);
+
+ /* Power down the Y/U/V FIFOs */
+ armada_updatel(CFG_PDWN16x66 | CFG_PDWN32x66, 0,
+ dcrtc->base + LCD_SPU_SRAM_PARA1);
+
+ if (plane->fb)
+ drm_framebuffer_unreference(plane->fb);
+
+ spin_lock_irq(&dplane->lock);
+ fb = dplane->old_fb;
+ dplane->old_fb = NULL;
+ spin_unlock_irq(&dplane->lock);
+ if (fb)
+ drm_framebuffer_unreference(fb);
+
+ return 0;
+}
+
+static void armada_plane_destroy(struct drm_plane *plane)
+{
+ kfree(plane);
+}
+
+static int armada_plane_set_property(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val)
+{
+ struct armada_private *priv = plane->dev->dev_private;
+ struct armada_plane *dplane = drm_to_armada_plane(plane);
+ bool update_attr = false;
+
+ if (property == priv->colorkey_prop) {
+#define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8)
+ dplane->prop.colorkey_yr = CCC(K2R(val));
+ dplane->prop.colorkey_ug = CCC(K2G(val));
+ dplane->prop.colorkey_vb = CCC(K2B(val));
+#undef CCC
+ update_attr = true;
+ } else if (property == priv->colorkey_min_prop) {
+ dplane->prop.colorkey_yr &= ~0x00ff0000;
+ dplane->prop.colorkey_yr |= K2R(val) << 16;
+ dplane->prop.colorkey_ug &= ~0x00ff0000;
+ dplane->prop.colorkey_ug |= K2G(val) << 16;
+ dplane->prop.colorkey_vb &= ~0x00ff0000;
+ dplane->prop.colorkey_vb |= K2B(val) << 16;
+ update_attr = true;
+ } else if (property == priv->colorkey_max_prop) {
+ dplane->prop.colorkey_yr &= ~0xff000000;
+ dplane->prop.colorkey_yr |= K2R(val) << 24;
+ dplane->prop.colorkey_ug &= ~0xff000000;
+ dplane->prop.colorkey_ug |= K2G(val) << 24;
+ dplane->prop.colorkey_vb &= ~0xff000000;
+ dplane->prop.colorkey_vb |= K2B(val) << 24;
+ update_attr = true;
+ } else if (property == priv->colorkey_val_prop) {
+ dplane->prop.colorkey_yr &= ~0x0000ff00;
+ dplane->prop.colorkey_yr |= K2R(val) << 8;
+ dplane->prop.colorkey_ug &= ~0x0000ff00;
+ dplane->prop.colorkey_ug |= K2G(val) << 8;
+ dplane->prop.colorkey_vb &= ~0x0000ff00;
+ dplane->prop.colorkey_vb |= K2B(val) << 8;
+ update_attr = true;
+ } else if (property == priv->colorkey_alpha_prop) {
+ dplane->prop.colorkey_yr &= ~0x000000ff;
+ dplane->prop.colorkey_yr |= K2R(val);
+ dplane->prop.colorkey_ug &= ~0x000000ff;
+ dplane->prop.colorkey_ug |= K2G(val);
+ dplane->prop.colorkey_vb &= ~0x000000ff;
+ dplane->prop.colorkey_vb |= K2B(val);
+ update_attr = true;
+ } else if (property == priv->colorkey_mode_prop) {
+ dplane->prop.colorkey_mode &= ~CFG_CKMODE_MASK;
+ dplane->prop.colorkey_mode |= CFG_CKMODE(val);
+ update_attr = true;
+ } else if (property == priv->brightness_prop) {
+ dplane->prop.brightness = val - 256;
+ update_attr = true;
+ } else if (property == priv->contrast_prop) {
+ dplane->prop.contrast = val;
+ update_attr = true;
+ } else if (property == priv->saturation_prop) {
+ dplane->prop.saturation = val;
+ update_attr = true;
+ }
+
+ if (update_attr && dplane->base.crtc)
+ armada_ovl_update_attr(&dplane->prop,
+ drm_to_armada_crtc(dplane->base.crtc));
+
+ return 0;
+}
+
+static const struct drm_plane_funcs armada_plane_funcs = {
+ .update_plane = armada_plane_update,
+ .disable_plane = armada_plane_disable,
+ .destroy = armada_plane_destroy,
+ .set_property = armada_plane_set_property,
+};
+
+static const uint32_t armada_formats[] = {
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_YUV420,
+ DRM_FORMAT_YVU420,
+ DRM_FORMAT_YUV422,
+ DRM_FORMAT_YVU422,
+ DRM_FORMAT_VYUY,
+ DRM_FORMAT_YVYU,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ABGR8888,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_BGR888,
+ DRM_FORMAT_ARGB1555,
+ DRM_FORMAT_ABGR1555,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_BGR565,
+};
+
+static struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = {
+ { CKMODE_DISABLE, "disabled" },
+ { CKMODE_Y, "Y component" },
+ { CKMODE_U, "U component" },
+ { CKMODE_V, "V component" },
+ { CKMODE_RGB, "RGB" },
+ { CKMODE_R, "R component" },
+ { CKMODE_G, "G component" },
+ { CKMODE_B, "B component" },
+};
+
+static int armada_overlay_create_properties(struct drm_device *dev)
+{
+ struct armada_private *priv = dev->dev_private;
+
+ if (priv->colorkey_prop)
+ return 0;
+
+ priv->colorkey_prop = drm_property_create_range(dev, 0,
+ "colorkey", 0, 0xffffff);
+ priv->colorkey_min_prop = drm_property_create_range(dev, 0,
+ "colorkey_min", 0, 0xffffff);
+ priv->colorkey_max_prop = drm_property_create_range(dev, 0,
+ "colorkey_max", 0, 0xffffff);
+ priv->colorkey_val_prop = drm_property_create_range(dev, 0,
+ "colorkey_val", 0, 0xffffff);
+ priv->colorkey_alpha_prop = drm_property_create_range(dev, 0,
+ "colorkey_alpha", 0, 0xffffff);
+ priv->colorkey_mode_prop = drm_property_create_enum(dev, 0,
+ "colorkey_mode",
+ armada_drm_colorkey_enum_list,
+ ARRAY_SIZE(armada_drm_colorkey_enum_list));
+ priv->brightness_prop = drm_property_create_range(dev, 0,
+ "brightness", 0, 256 + 255);
+ priv->contrast_prop = drm_property_create_range(dev, 0,
+ "contrast", 0, 0x7fff);
+ priv->saturation_prop = drm_property_create_range(dev, 0,
+ "saturation", 0, 0x7fff);
+
+ if (!priv->colorkey_prop)
+ return -ENOMEM;
+
+ return 0;
+}
+
+int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
+{
+ struct armada_private *priv = dev->dev_private;
+ struct drm_mode_object *mobj;
+ struct armada_plane *dplane;
+ int ret;
+
+ ret = armada_overlay_create_properties(dev);
+ if (ret)
+ return ret;
+
+ dplane = kzalloc(sizeof(*dplane), GFP_KERNEL);
+ if (!dplane)
+ return -ENOMEM;
+
+ spin_lock_init(&dplane->lock);
+ init_waitqueue_head(&dplane->vbl.wait);
+ armada_drm_vbl_event_init(&dplane->vbl.update, armada_plane_vbl,
+ dplane);
+
+ drm_plane_init(dev, &dplane->base, crtcs, &armada_plane_funcs,
+ armada_formats, ARRAY_SIZE(armada_formats), false);
+
+ dplane->prop.colorkey_yr = 0xfefefe00;
+ dplane->prop.colorkey_ug = 0x01010100;
+ dplane->prop.colorkey_vb = 0x01010100;
+ dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB);
+ dplane->prop.brightness = 0;
+ dplane->prop.contrast = 0x4000;
+ dplane->prop.saturation = 0x4000;
+
+ mobj = &dplane->base.base;
+ drm_object_attach_property(mobj, priv->colorkey_prop,
+ 0x0101fe);
+ drm_object_attach_property(mobj, priv->colorkey_min_prop,
+ 0x0101fe);
+ drm_object_attach_property(mobj, priv->colorkey_max_prop,
+ 0x0101fe);
+ drm_object_attach_property(mobj, priv->colorkey_val_prop,
+ 0x0101fe);
+ drm_object_attach_property(mobj, priv->colorkey_alpha_prop,
+ 0x000000);
+ drm_object_attach_property(mobj, priv->colorkey_mode_prop,
+ CKMODE_RGB);
+ drm_object_attach_property(mobj, priv->brightness_prop, 256);
+ drm_object_attach_property(mobj, priv->contrast_prop,
+ dplane->prop.contrast);
+ drm_object_attach_property(mobj, priv->saturation_prop,
+ dplane->prop.saturation);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff