--- /dev/null
+/*
+ * Copyright 2013 Ilia Mirkin
+ *
+ * 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 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
+ * THE AUTHORS 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.
+ *
+ * Implementation based on the pre-KMS implementation in xf86-video-nouveau,
+ * written by Arthur Huillet.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
+
+#include "nouveau_drm.h"
+
+#include "nouveau_bo.h"
+#include "nouveau_connector.h"
+#include "nouveau_display.h"
+#include "nvreg.h"
+
+
+struct nouveau_plane {
+ struct drm_plane base;
+ bool flip;
+ struct nouveau_bo *cur;
+
+ struct {
+ struct drm_property *colorkey;
+ struct drm_property *contrast;
+ struct drm_property *brightness;
+ struct drm_property *hue;
+ struct drm_property *saturation;
+ struct drm_property *iturbt_709;
+ } props;
+
+ int colorkey;
+ int contrast;
+ int brightness;
+ int hue;
+ int saturation;
+ int iturbt_709;
+
+ void (*set_params)(struct nouveau_plane *);
+};
+
+static uint32_t formats[] = {
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_NV12,
+};
+
+/* Sine can be approximated with
+ * http://en.wikipedia.org/wiki/Bhaskara_I's_sine_approximation_formula
+ * sin(x degrees) ~= 4 x (180 - x) / (40500 - x (180 - x) )
+ * Note that this only works for the range [0, 180].
+ * Also note that sin(x) == -sin(x - 180)
+ */
+static inline int
+sin_mul(int degrees, int factor)
+{
+ if (degrees > 180) {
+ degrees -= 180;
+ factor *= -1;
+ }
+ return factor * 4 * degrees * (180 - degrees) /
+ (40500 - degrees * (180 - degrees));
+}
+
+/* cos(x) = sin(x + 90) */
+static inline int
+cos_mul(int degrees, int factor)
+{
+ return sin_mul((degrees + 90) % 360, factor);
+}
+
+static int
+nv10_update_plane(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 nvif_device *dev = &nouveau_drm(plane->dev)->device;
+ struct nouveau_plane *nv_plane =
+ container_of(plane, struct nouveau_plane, base);
+ struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ struct nouveau_bo *cur = nv_plane->cur;
+ bool flip = nv_plane->flip;
+ int soff = NV_PCRTC0_SIZE * nv_crtc->index;
+ int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
+ int format, ret;
+
+ /* Source parameters given in 16.16 fixed point, ignore fractional. */
+ src_x >>= 16;
+ src_y >>= 16;
+ src_w >>= 16;
+ src_h >>= 16;
+
+ format = ALIGN(src_w * 4, 0x100);
+
+ if (format > 0xffff)
+ return -ERANGE;
+
+ if (dev->info.chipset >= 0x30) {
+ if (crtc_w < (src_w >> 1) || crtc_h < (src_h >> 1))
+ return -ERANGE;
+ } else {
+ if (crtc_w < (src_w >> 3) || crtc_h < (src_h >> 3))
+ return -ERANGE;
+ }
+
+ ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
+ if (ret)
+ return ret;
+
+ nv_plane->cur = nv_fb->nvbo;
+
+ nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY);
+ nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0);
+
+ nvif_wr32(dev, NV_PVIDEO_BASE(flip), 0);
+ nvif_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset);
+ nvif_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w);
+ nvif_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x);
+ nvif_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w);
+ nvif_wr32(dev, NV_PVIDEO_DT_DY(flip), (src_h << 20) / crtc_h);
+ nvif_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x);
+ nvif_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w);
+
+ if (fb->pixel_format != DRM_FORMAT_UYVY)
+ format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8;
+ if (fb->pixel_format == DRM_FORMAT_NV12)
+ format |= NV_PVIDEO_FORMAT_PLANAR;
+ if (nv_plane->iturbt_709)
+ format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709;
+ if (nv_plane->colorkey & (1 << 24))
+ format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY;
+
+ if (fb->pixel_format == DRM_FORMAT_NV12) {
+ nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0);
+ nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip),
+ nv_fb->nvbo->bo.offset + fb->offsets[1]);
+ }
+ nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format);
+ nvif_wr32(dev, NV_PVIDEO_STOP, 0);
+ /* TODO: wait for vblank? */
+ nvif_wr32(dev, NV_PVIDEO_BUFFER, flip ? 0x10 : 0x1);
+ nv_plane->flip = !flip;
+
+ if (cur)
+ nouveau_bo_unpin(cur);
+
+ return 0;
+}
+
+static int
+nv10_disable_plane(struct drm_plane *plane)
+{
+ struct nvif_device *dev = &nouveau_drm(plane->dev)->device;
+ struct nouveau_plane *nv_plane =
+ container_of(plane, struct nouveau_plane, base);
+
+ nvif_wr32(dev, NV_PVIDEO_STOP, 1);
+ if (nv_plane->cur) {
+ nouveau_bo_unpin(nv_plane->cur);
+ nv_plane->cur = NULL;
+ }
+
+ return 0;
+}
+
+static void
+nv_destroy_plane(struct drm_plane *plane)
+{
+ plane->funcs->disable_plane(plane);
+ drm_plane_cleanup(plane);
+ kfree(plane);
+}
+
+static void
+nv10_set_params(struct nouveau_plane *plane)
+{
+ struct nvif_device *dev = &nouveau_drm(plane->base.dev)->device;
+ u32 luma = (plane->brightness - 512) << 16 | plane->contrast;
+ u32 chroma = ((sin_mul(plane->hue, plane->saturation) & 0xffff) << 16) |
+ (cos_mul(plane->hue, plane->saturation) & 0xffff);
+ u32 format = 0;
+
+ nvif_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma);
+ nvif_wr32(dev, NV_PVIDEO_LUMINANCE(1), luma);
+ nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(0), chroma);
+ nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(1), chroma);
+ nvif_wr32(dev, NV_PVIDEO_COLOR_KEY, plane->colorkey & 0xffffff);
+
+ if (plane->cur) {
+ if (plane->iturbt_709)
+ format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709;
+ if (plane->colorkey & (1 << 24))
+ format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY;
+ nvif_mask(dev, NV_PVIDEO_FORMAT(plane->flip),
+ NV_PVIDEO_FORMAT_MATRIX_ITURBT709 |
+ NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY,
+ format);
+ }
+}
+
+static int
+nv_set_property(struct drm_plane *plane,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct nouveau_plane *nv_plane =
+ container_of(plane, struct nouveau_plane, base);
+
+ if (property == nv_plane->props.colorkey)
+ nv_plane->colorkey = value;
+ else if (property == nv_plane->props.contrast)
+ nv_plane->contrast = value;
+ else if (property == nv_plane->props.brightness)
+ nv_plane->brightness = value;
+ else if (property == nv_plane->props.hue)
+ nv_plane->hue = value;
+ else if (property == nv_plane->props.saturation)
+ nv_plane->saturation = value;
+ else if (property == nv_plane->props.iturbt_709)
+ nv_plane->iturbt_709 = value;
+ else
+ return -EINVAL;
+
+ if (nv_plane->set_params)
+ nv_plane->set_params(nv_plane);
+ return 0;
+}
+
+static const struct drm_plane_funcs nv10_plane_funcs = {
+ .update_plane = nv10_update_plane,
+ .disable_plane = nv10_disable_plane,
+ .set_property = nv_set_property,
+ .destroy = nv_destroy_plane,
+};
+
+static void
+nv10_overlay_init(struct drm_device *device)
+{
+ struct nouveau_drm *drm = nouveau_drm(device);
+ struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL);
+ int num_formats = ARRAY_SIZE(formats);
+ int ret;
+
+ if (!plane)
+ return;
+
+ switch (drm->device.info.chipset) {
+ case 0x10:
+ case 0x11:
+ case 0x15:
+ case 0x1a:
+ case 0x20:
+ num_formats = 2;
+ break;
+ }
+
+ ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
+ &nv10_plane_funcs,
+ formats, num_formats, false);
+ if (ret)
+ goto err;
+
+ /* Set up the plane properties */
+ plane->props.colorkey = drm_property_create_range(
+ device, 0, "colorkey", 0, 0x01ffffff);
+ plane->props.contrast = drm_property_create_range(
+ device, 0, "contrast", 0, 8192 - 1);
+ plane->props.brightness = drm_property_create_range(
+ device, 0, "brightness", 0, 1024);
+ plane->props.hue = drm_property_create_range(
+ device, 0, "hue", 0, 359);
+ plane->props.saturation = drm_property_create_range(
+ device, 0, "saturation", 0, 8192 - 1);
+ plane->props.iturbt_709 = drm_property_create_range(
+ device, 0, "iturbt_709", 0, 1);
+ if (!plane->props.colorkey ||
+ !plane->props.contrast ||
+ !plane->props.brightness ||
+ !plane->props.hue ||
+ !plane->props.saturation ||
+ !plane->props.iturbt_709)
+ goto cleanup;
+
+ plane->colorkey = 0;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.colorkey, plane->colorkey);
+
+ plane->contrast = 0x1000;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.contrast, plane->contrast);
+
+ plane->brightness = 512;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.brightness, plane->brightness);
+
+ plane->hue = 0;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.hue, plane->hue);
+
+ plane->saturation = 0x1000;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.saturation, plane->saturation);
+
+ plane->iturbt_709 = 0;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.iturbt_709, plane->iturbt_709);
+
+ plane->set_params = nv10_set_params;
+ nv10_set_params(plane);
+ nv10_disable_plane(&plane->base);
+ return;
+cleanup:
+ drm_plane_cleanup(&plane->base);
+err:
+ kfree(plane);
+ NV_ERROR(drm, "Failed to create plane\n");
+}
+
+static int
+nv04_update_plane(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 nvif_device *dev = &nouveau_drm(plane->dev)->device;
+ struct nouveau_plane *nv_plane =
+ container_of(plane, struct nouveau_plane, base);
+ struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
+ struct nouveau_bo *cur = nv_plane->cur;
+ uint32_t overlay = 1;
+ int brightness = (nv_plane->brightness - 512) * 62 / 512;
+ int pitch, ret, i;
+
+ /* Source parameters given in 16.16 fixed point, ignore fractional. */
+ src_x >>= 16;
+ src_y >>= 16;
+ src_w >>= 16;
+ src_h >>= 16;
+
+ pitch = ALIGN(src_w * 4, 0x100);
+
+ if (pitch > 0xffff)
+ return -ERANGE;
+
+ /* TODO: Compute an offset? Not sure how to do this for YUYV. */
+ if (src_x != 0 || src_y != 0)
+ return -ERANGE;
+
+ if (crtc_w < src_w || crtc_h < src_h)
+ return -ERANGE;
+
+ ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
+ if (ret)
+ return ret;
+
+ nv_plane->cur = nv_fb->nvbo;
+
+ nvif_wr32(dev, NV_PVIDEO_OE_STATE, 0);
+ nvif_wr32(dev, NV_PVIDEO_SU_STATE, 0);
+ nvif_wr32(dev, NV_PVIDEO_RM_STATE, 0);
+
+ for (i = 0; i < 2; i++) {
+ nvif_wr32(dev, NV_PVIDEO_BUFF0_START_ADDRESS + 4 * i,
+ nv_fb->nvbo->bo.offset);
+ nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i, pitch);
+ nvif_wr32(dev, NV_PVIDEO_BUFF0_OFFSET + 4 * i, 0);
+ }
+ nvif_wr32(dev, NV_PVIDEO_WINDOW_START, crtc_y << 16 | crtc_x);
+ nvif_wr32(dev, NV_PVIDEO_WINDOW_SIZE, crtc_h << 16 | crtc_w);
+ nvif_wr32(dev, NV_PVIDEO_STEP_SIZE,
+ (uint32_t)(((src_h - 1) << 11) / (crtc_h - 1)) << 16 | (uint32_t)(((src_w - 1) << 11) / (crtc_w - 1)));
+
+ /* It should be possible to convert hue/contrast to this */
+ nvif_wr32(dev, NV_PVIDEO_RED_CSC_OFFSET, 0x69 - brightness);
+ nvif_wr32(dev, NV_PVIDEO_GREEN_CSC_OFFSET, 0x3e + brightness);
+ nvif_wr32(dev, NV_PVIDEO_BLUE_CSC_OFFSET, 0x89 - brightness);
+ nvif_wr32(dev, NV_PVIDEO_CSC_ADJUST, 0);
+
+ nvif_wr32(dev, NV_PVIDEO_CONTROL_Y, 0x001); /* (BLUR_ON, LINE_HALF) */
+ nvif_wr32(dev, NV_PVIDEO_CONTROL_X, 0x111); /* (WEIGHT_HEAVY, SHARPENING_ON, SMOOTHING_ON) */
+
+ nvif_wr32(dev, NV_PVIDEO_FIFO_BURST_LENGTH, 0x03);
+ nvif_wr32(dev, NV_PVIDEO_FIFO_THRES_SIZE, 0x38);
+
+ nvif_wr32(dev, NV_PVIDEO_KEY, nv_plane->colorkey);
+
+ if (nv_plane->colorkey & (1 << 24))
+ overlay |= 0x10;
+ if (fb->pixel_format == DRM_FORMAT_YUYV)
+ overlay |= 0x100;
+
+ nvif_wr32(dev, NV_PVIDEO_OVERLAY, overlay);
+
+ nvif_wr32(dev, NV_PVIDEO_SU_STATE, nvif_rd32(dev, NV_PVIDEO_SU_STATE) ^ (1 << 16));
+
+ if (cur)
+ nouveau_bo_unpin(cur);
+
+ return 0;
+}
+
+static int
+nv04_disable_plane(struct drm_plane *plane)
+{
+ struct nvif_device *dev = &nouveau_drm(plane->dev)->device;
+ struct nouveau_plane *nv_plane =
+ container_of(plane, struct nouveau_plane, base);
+
+ nvif_mask(dev, NV_PVIDEO_OVERLAY, 1, 0);
+ nvif_wr32(dev, NV_PVIDEO_OE_STATE, 0);
+ nvif_wr32(dev, NV_PVIDEO_SU_STATE, 0);
+ nvif_wr32(dev, NV_PVIDEO_RM_STATE, 0);
+ if (nv_plane->cur) {
+ nouveau_bo_unpin(nv_plane->cur);
+ nv_plane->cur = NULL;
+ }
+
+ return 0;
+}
+
+static const struct drm_plane_funcs nv04_plane_funcs = {
+ .update_plane = nv04_update_plane,
+ .disable_plane = nv04_disable_plane,
+ .set_property = nv_set_property,
+ .destroy = nv_destroy_plane,
+};
+
+static void
+nv04_overlay_init(struct drm_device *device)
+{
+ struct nouveau_drm *drm = nouveau_drm(device);
+ struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL);
+ int ret;
+
+ if (!plane)
+ return;
+
+ ret = drm_plane_init(device, &plane->base, 1 /* single crtc */,
+ &nv04_plane_funcs,
+ formats, 2, false);
+ if (ret)
+ goto err;
+
+ /* Set up the plane properties */
+ plane->props.colorkey = drm_property_create_range(
+ device, 0, "colorkey", 0, 0x01ffffff);
+ plane->props.brightness = drm_property_create_range(
+ device, 0, "brightness", 0, 1024);
+ if (!plane->props.colorkey ||
+ !plane->props.brightness)
+ goto cleanup;
+
+ plane->colorkey = 0;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.colorkey, plane->colorkey);
+
+ plane->brightness = 512;
+ drm_object_attach_property(&plane->base.base,
+ plane->props.brightness, plane->brightness);
+
+ nv04_disable_plane(&plane->base);
+ return;
+cleanup:
+ drm_plane_cleanup(&plane->base);
+err:
+ kfree(plane);
+ NV_ERROR(drm, "Failed to create plane\n");
+}
+
+void
+nouveau_overlay_init(struct drm_device *device)
+{
+ struct nvif_device *dev = &nouveau_drm(device)->device;
+ if (dev->info.chipset < 0x10)
+ nv04_overlay_init(device);
+ else if (dev->info.chipset <= 0x40)
+ nv10_overlay_init(device);
+}
Code Review / kvmfornfv.git / blobdiff