forked from Minki/linux
515de6b27f
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
321 lines
9.1 KiB
C
321 lines
9.1 KiB
C
/*
|
|
* 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;
|
|
};
|
|
|
|
static uint32_t formats[] = {
|
|
DRM_FORMAT_NV12,
|
|
DRM_FORMAT_UYVY,
|
|
};
|
|
|
|
/* 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 nouveau_device *dev = nouveau_dev(plane->dev);
|
|
struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane;
|
|
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 format = ALIGN(src_w * 4, 0x100);
|
|
int soff = NV_PCRTC0_SIZE * nv_crtc->index;
|
|
int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
|
|
int ret;
|
|
|
|
if (format > 0xffff)
|
|
return -EINVAL;
|
|
|
|
ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM);
|
|
if (ret)
|
|
return ret;
|
|
|
|
nv_plane->cur = nv_fb->nvbo;
|
|
|
|
/* Source parameters given in 16.16 fixed point, ignore fractional. */
|
|
src_x = src_x >> 16;
|
|
src_y = src_y >> 16;
|
|
src_w = src_w >> 16;
|
|
src_h = src_h >> 16;
|
|
|
|
nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY);
|
|
nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0);
|
|
|
|
nv_wr32(dev, NV_PVIDEO_BASE(flip), 0);
|
|
nv_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset);
|
|
nv_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w);
|
|
nv_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x);
|
|
nv_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w);
|
|
nv_wr32(dev, NV_PVIDEO_DT_DY(flip), (src_h << 20) / crtc_h);
|
|
nv_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x);
|
|
nv_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w);
|
|
|
|
if (fb->pixel_format == DRM_FORMAT_NV12) {
|
|
format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8;
|
|
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) {
|
|
nv_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0);
|
|
nv_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip),
|
|
nv_fb->nvbo->bo.offset + fb->offsets[1]);
|
|
}
|
|
nv_wr32(dev, NV_PVIDEO_FORMAT(flip), format);
|
|
nv_wr32(dev, NV_PVIDEO_STOP, 0);
|
|
/* TODO: wait for vblank? */
|
|
nv_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 nouveau_device *dev = nouveau_dev(plane->dev);
|
|
struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane;
|
|
|
|
nv_wr32(dev, NV_PVIDEO_STOP, 1);
|
|
if (nv_plane->cur) {
|
|
nouveau_bo_unpin(nv_plane->cur);
|
|
nv_plane->cur = NULL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
nv10_destroy_plane(struct drm_plane *plane)
|
|
{
|
|
nv10_disable_plane(plane);
|
|
drm_plane_cleanup(plane);
|
|
kfree(plane);
|
|
}
|
|
|
|
static void
|
|
nv10_set_params(struct nouveau_plane *plane)
|
|
{
|
|
struct nouveau_device *dev = nouveau_dev(plane->base.dev);
|
|
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;
|
|
|
|
nv_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma);
|
|
nv_wr32(dev, NV_PVIDEO_LUMINANCE(1), luma);
|
|
nv_wr32(dev, NV_PVIDEO_CHROMINANCE(0), chroma);
|
|
nv_wr32(dev, NV_PVIDEO_CHROMINANCE(1), chroma);
|
|
nv_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;
|
|
nv_mask(dev, NV_PVIDEO_FORMAT(plane->flip),
|
|
NV_PVIDEO_FORMAT_MATRIX_ITURBT709 |
|
|
NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY,
|
|
format);
|
|
}
|
|
}
|
|
|
|
static int
|
|
nv10_set_property(struct drm_plane *plane,
|
|
struct drm_property *property,
|
|
uint64_t value)
|
|
{
|
|
struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane;
|
|
|
|
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;
|
|
|
|
nv10_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 = nv10_set_property,
|
|
.destroy = nv10_destroy_plane,
|
|
};
|
|
|
|
static void
|
|
nv10_overlay_init(struct drm_device *device)
|
|
{
|
|
struct nouveau_device *dev = nouveau_dev(device);
|
|
struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL);
|
|
int ret;
|
|
|
|
if (!plane)
|
|
return;
|
|
|
|
ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
|
|
&nv10_plane_funcs,
|
|
formats, ARRAY_SIZE(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);
|
|
|
|
nv10_set_params(plane);
|
|
nv_wr32(dev, NV_PVIDEO_STOP, 1);
|
|
return;
|
|
cleanup:
|
|
drm_plane_cleanup(&plane->base);
|
|
err:
|
|
kfree(plane);
|
|
nv_error(dev, "Failed to create plane\n");
|
|
}
|
|
|
|
void
|
|
nouveau_overlay_init(struct drm_device *device)
|
|
{
|
|
struct nouveau_device *dev = nouveau_dev(device);
|
|
if (dev->chipset >= 0x10 && dev->chipset <= 0x40)
|
|
nv10_overlay_init(device);
|
|
}
|