/*
* 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/drm_crtc.h>
#include <drm/drm_fourcc.h>
#include "nouveau_drv.h"
#include "nouveau_bo.h"
#include "nouveau_connector.h"
#include "nouveau_display.h"
#include "nouveau_gem.h"
#include "nvreg.h"
#include "disp.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;
} props;
int colorkey;
int contrast;
int brightness;
int hue;
int saturation;
enum drm_color_encoding color_encoding;
void (*set_params)(struct nouveau_plane *);
};
static uint32_t formats[] = {
DRM_FORMAT_YUYV,
DRM_FORMAT_UYVY,
DRM_FORMAT_NV12,
DRM_FORMAT_NV21,
};
/* 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
verify_scaling(const struct drm_framebuffer *fb, uint8_t shift,
uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
uint32_t crtc_w, uint32_t crtc_h)
{
if (crtc_w < (src_w >> shift) || crtc_h < (src_h >> shift)) {
DRM_DEBUG_KMS("Unsuitable framebuffer scaling: %dx%d -> %dx%d\n",
src_w, src_h, crtc_w, crtc_h);
return -ERANGE;
}
if (src_x != 0 || src_y != 0) {
DRM_DEBUG_KMS("Unsuitable framebuffer offset: %d,%d\n",
src_x, src_y);
return -ERANGE;
}
return 0;
}
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 drm_modeset_acquire_ctx *ctx)
{
struct nouveau_drm *drm = nouveau_drm(plane->dev);
struct nvif_object *dev = &drm->client.device.object;
struct nouveau_plane *nv_plane =
container_of(plane, struct nouveau_plane, base);
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct nouveau_bo *cur = nv_plane->cur;
struct nouveau_bo *nvbo;
bool flip = nv_plane->flip;
int soff = NV_PCRTC0_SIZE * nv_crtc->index;
int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
unsigned shift = drm->client.device.info.chipset >= 0x30 ? 1 : 3;
unsigned format = 0;
int ret;
/* Source parameters given in 16.16 fixed point, ignore fractional. */
src_x >>= 16;
src_y >>= 16;
src_w >>= 16;
src_h >>= 16;
ret = verify_scaling(fb, shift, 0, 0, src_w, src_h, crtc_w, crtc_h);
if (ret)
return ret;
nvbo = nouveau_gem_object(fb->obj[0]);
ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, false);
if (ret)
return ret;
nv_plane->cur = 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), nvbo->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->format->format == DRM_FORMAT_YUYV ||
fb->format->format == DRM_FORMAT_NV12)
format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8;
if (fb->format->format == DRM_FORMAT_NV12 ||
fb->format->format == DRM_FORMAT_NV21)
format |= NV_PVIDEO_FORMAT_PLANAR;
if (nv_plane->color_encoding == DRM_COLOR_YCBCR_BT709)
format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709;
if (nv_plane->colorkey & (1 << 24))
format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY;
if (format & NV_PVIDEO_FORMAT_PLANAR) {
nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0);
nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip),
nvbo->offset + fb->offsets[1]);
}
nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format | fb->pitches[0]);
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 drm_modeset_acquire_ctx *ctx)
{
struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object;
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)
{
drm_plane_force_disable(plane);
drm_plane_cleanup(plane);
kfree(plane);
}
static void
nv10_set_params(struct nouveau_plane *plane)
{
struct nvif_object *dev = &nouveau_drm(plane->base.dev)->client.device.object;
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->color_encoding == DRM_COLOR_YCBCR_BT709)
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->base.color_encoding_property)
nv_plane->color_encoding = 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);
unsigned int num_formats = ARRAY_SIZE(formats);
int ret;
if (!plane)
return;
switch (drm->client.device.info.chipset) {
case 0x10:
case 0x11:
case 0x15:
case 0x1a:
case 0x20:
num_formats = 2;
break;
}
ret = drm_universal_plane_init(device, &plane->base, 3 /* both crtc's */,
&nv10_plane_funcs,
formats, num_formats, NULL,
DRM_PLANE_TYPE_OVERLAY, NULL);
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);
if (!plane->props.colorkey ||
!plane->props.contrast ||
!plane->props.brightness ||
!plane->props.hue ||
!plane->props.saturation)
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->color_encoding = DRM_COLOR_YCBCR_BT601;
drm_plane_create_color_properties(&plane->base,
BIT(DRM_COLOR_YCBCR_BT601) |
BIT(DRM_COLOR_YCBCR_BT709),
BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
DRM_COLOR_YCBCR_BT601,
DRM_COLOR_YCBCR_LIMITED_RANGE);
plane->set_params = nv10_set_params;
nv10_set_params(plane);
drm_plane_force_disable(&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 drm_modeset_acquire_ctx *ctx)
{
struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object;
struct nouveau_plane *nv_plane =
container_of(plane, struct nouveau_plane, base);
struct nouveau_bo *cur = nv_plane->cur;
struct nouveau_bo *nvbo;
uint32_t overlay = 1;
int brightness = (nv_plane->brightness - 512) * 62 / 512;
int ret, i;
/* Source parameters given in 16.16 fixed point, ignore fractional. */
src_x >>= 16;
src_y >>= 16;
src_w >>= 16;
src_h >>= 16;
ret = verify_scaling(fb, 0, src_x, src_y, src_w, src_h, crtc_w, crtc_h);
if (ret)
return ret;
nvbo = nouveau_gem_object(fb->obj[0]);
ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, false);
if (ret)
return ret;
nv_plane->cur = 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,
nvbo->offset);
nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i,
fb->pitches[0]);
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->format->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 drm_modeset_acquire_ctx *ctx)
{
struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object;
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_universal_plane_init(device, &plane->base, 1 /* single crtc */,
&nv04_plane_funcs, formats, 2, NULL,
DRM_PLANE_TYPE_OVERLAY, NULL);
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);
drm_plane_force_disable(&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)->client.device;
if (dev->info.chipset < 0x10)
nv04_overlay_init(device);
else if (dev->info.chipset <= 0x40)
nv10_overlay_init(device);
}
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