Commit 438d99e3 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvd0/disp: initial crtc object implementation


Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 270a5747
......@@ -31,6 +31,7 @@
#include "nouveau_connector.h"
#include "nouveau_encoder.h"
#include "nouveau_crtc.h"
#include "nouveau_fb.h"
#define MEM_SYNC 0xe0000001
#define MEM_VRAM 0xe0010000
......@@ -100,6 +101,449 @@ nvd0_display_crtc_get(struct drm_encoder *encoder)
return nouveau_encoder(encoder)->crtc;
}
/******************************************************************************
* CRTC
*****************************************************************************/
static int
nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
{
struct drm_device *dev = nv_crtc->base.dev;
u32 *push, mode;
mode = 0x00000000;
if (on) {
/* 0x11: 6bpc dynamic 2x2
* 0x13: 8bpc dynamic 2x2
* 0x19: 6bpc static 2x2
* 0x1b: 8bpc static 2x2
* 0x21: 6bpc temporal
* 0x23: 8bpc temporal
*/
mode = 0x00000011;
}
push = evo_wait(dev, 0, 4);
if (push) {
evo_mthd(push, 0x0490 + (nv_crtc->index * 0x300), 1);
evo_data(push, mode);
if (update) {
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
}
evo_kick(push, dev, 0);
}
return 0;
}
static int
nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, int type, bool update)
{
struct drm_display_mode *mode = &nv_crtc->base.mode;
struct drm_device *dev = nv_crtc->base.dev;
u32 *push;
/*XXX: actually handle scaling */
push = evo_wait(dev, 0, 16);
if (push) {
evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
if (update) {
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
}
evo_kick(push, dev, 0);
}
return 0;
}
static int
nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
int x, int y, bool update)
{
struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
u32 *push;
/*XXX*/
nv_crtc->fb.tile_flags = MEM_VRAM;
push = evo_wait(fb->dev, 0, 16);
if (push) {
evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
evo_data(push, nvfb->nvbo->bo.offset >> 8);
evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
evo_data(push, (fb->height << 16) | fb->width);
evo_data(push, nvfb->r_pitch);
evo_data(push, nvfb->r_format);
evo_data(push, nv_crtc->fb.tile_flags);
evo_kick(push, fb->dev, 0);
}
return 0;
}
static void
nvd0_crtc_cursor_show(struct nouveau_crtc *nv_crtc, bool show, bool update)
{
struct drm_device *dev = nv_crtc->base.dev;
u32 *push = evo_wait(dev, 0, 16);
if (push) {
if (show) {
evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
evo_data(push, 0x85000000);
evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
evo_data(push, MEM_VRAM);
} else {
evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x05000000);
evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000);
}
if (update) {
evo_mthd(push, 0x0080, 1);
evo_data(push, 0x00000000);
}
evo_kick(push, dev, 0);
}
}
static void
nvd0_crtc_dpms(struct drm_crtc *crtc, int mode)
{
}
static void
nvd0_crtc_prepare(struct drm_crtc *crtc)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 *push;
push = evo_wait(crtc->dev, 0, 2);
if (push) {
evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000);
evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x03000000);
evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000);
evo_kick(push, crtc->dev, 0);
}
nvd0_crtc_cursor_show(nv_crtc, false, false);
}
static void
nvd0_crtc_commit(struct drm_crtc *crtc)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 *push;
push = evo_wait(crtc->dev, 0, 32);
if (push) {
evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
evo_data(push, nv_crtc->fb.tile_flags);
evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
evo_data(push, 0x83000000);
evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
evo_data(push, 0x00000000);
evo_data(push, 0x00000000);
evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
evo_data(push, MEM_VRAM);
evo_kick(push, crtc->dev, 0);
}
nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true);
}
static bool
nvd0_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return true;
}
static int
nvd0_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
{
struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->fb);
int ret;
ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM);
if (ret)
return ret;
if (old_fb) {
nvfb = nouveau_framebuffer(old_fb);
nouveau_bo_unpin(nvfb->nvbo);
}
return 0;
}
static int
nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
struct drm_display_mode *mode, int x, int y,
struct drm_framebuffer *old_fb)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct nouveau_connector *nv_connector;
u32 htotal = mode->htotal;
u32 vtotal = mode->vtotal;
u32 hsyncw = mode->hsync_end - mode->hsync_start - 1;
u32 vsyncw = mode->vsync_end - mode->vsync_start - 1;
u32 hfrntp = mode->hsync_start - mode->hdisplay;
u32 vfrntp = mode->vsync_start - mode->vdisplay;
u32 hbackp = mode->htotal - mode->hsync_end;
u32 vbackp = mode->vtotal - mode->vsync_end;
u32 hss2be = hsyncw + hbackp;
u32 vss2be = vsyncw + vbackp;
u32 hss2de = htotal - hfrntp;
u32 vss2de = vtotal - vfrntp;
u32 hstart = 0;
u32 vstart = 0;
u32 *push;
int ret;
ret = nvd0_crtc_swap_fbs(crtc, old_fb);
if (ret)
return ret;
push = evo_wait(crtc->dev, 0, 64);
if (push) {
evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 5);
evo_data(push, (vstart << 16) | hstart);
evo_data(push, (vtotal << 16) | htotal);
evo_data(push, (vsyncw << 16) | hsyncw);
evo_data(push, (vss2be << 16) | hss2be);
evo_data(push, (vss2de << 16) | hss2de);
evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x00000000); /* ??? */
evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
evo_data(push, mode->clock * 1000);
evo_data(push, 0x00200000); /* ??? */
evo_data(push, mode->clock * 1000);
evo_mthd(push, 0x0408 + (nv_crtc->index * 0x300), 1);
evo_data(push, 0x31ec6000); /* ??? */
evo_kick(push, crtc->dev, 0);
}
nv_connector = nouveau_crtc_connector_get(nv_crtc);
nvd0_crtc_set_dither(nv_crtc, nv_connector->use_dithering, false);
nvd0_crtc_set_scale(nv_crtc, nv_connector->scaling_mode, false);
nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
return 0;
}
static int
nvd0_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
int ret;
ret = nvd0_crtc_swap_fbs(crtc, old_fb);
if (ret)
return ret;
nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, true);
return 0;
}
static int
nvd0_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb, int x, int y,
enum mode_set_atomic state)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nvd0_crtc_set_image(nv_crtc, fb, x, y, true);
return 0;
}
static void
nvd0_crtc_lut_load(struct drm_crtc *crtc)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
int i;
for (i = 0; i < 256; i++) {
writew(nv_crtc->lut.r[i] >> 2, lut + 8*i + 0);
writew(nv_crtc->lut.g[i] >> 2, lut + 8*i + 2);
writew(nv_crtc->lut.b[i] >> 2, lut + 8*i + 4);
}
}
static int
nvd0_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
uint32_t handle, uint32_t width, uint32_t height)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_gem_object *gem;
struct nouveau_bo *nvbo;
bool visible = (handle != 0);
int i, ret = 0;
if (visible) {
if (width != 64 || height != 64)
return -EINVAL;
gem = drm_gem_object_lookup(dev, file_priv, handle);
if (unlikely(!gem))
return -ENOENT;
nvbo = nouveau_gem_object(gem);
ret = nouveau_bo_map(nvbo);
if (ret == 0) {
for (i = 0; i < 64 * 64; i++) {
u32 v = nouveau_bo_rd32(nvbo, i);
nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, v);
}
nouveau_bo_unmap(nvbo);
}
drm_gem_object_unreference_unlocked(gem);
}
if (visible != nv_crtc->cursor.visible) {
nvd0_crtc_cursor_show(nv_crtc, visible, true);
nv_crtc->cursor.visible = visible;
}
return ret;
}
static int
nvd0_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
const u32 data = (y << 16) | x;
nv_wr32(crtc->dev, 0x64d084 + (nv_crtc->index * 0x1000), data);
nv_wr32(crtc->dev, 0x64d080 + (nv_crtc->index * 0x1000), 0x00000000);
return 0;
}
static void
nvd0_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
uint32_t start, uint32_t size)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 end = max(start + size, (u32)256);
u32 i;
for (i = start; i < end; i++) {
nv_crtc->lut.r[i] = r[i];
nv_crtc->lut.g[i] = g[i];
nv_crtc->lut.b[i] = b[i];
}
nvd0_crtc_lut_load(crtc);
}
static void
nvd0_crtc_destroy(struct drm_crtc *crtc)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
nouveau_bo_unmap(nv_crtc->lut.nvbo);
nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
drm_crtc_cleanup(crtc);
kfree(crtc);
}
static const struct drm_crtc_helper_funcs nvd0_crtc_hfunc = {
.dpms = nvd0_crtc_dpms,
.prepare = nvd0_crtc_prepare,
.commit = nvd0_crtc_commit,
.mode_fixup = nvd0_crtc_mode_fixup,
.mode_set = nvd0_crtc_mode_set,
.mode_set_base = nvd0_crtc_mode_set_base,
.mode_set_base_atomic = nvd0_crtc_mode_set_base_atomic,
.load_lut = nvd0_crtc_lut_load,
};
static const struct drm_crtc_funcs nvd0_crtc_func = {
.cursor_set = nvd0_crtc_cursor_set,
.cursor_move = nvd0_crtc_cursor_move,
.gamma_set = nvd0_crtc_gamma_set,
.set_config = drm_crtc_helper_set_config,
.destroy = nvd0_crtc_destroy,
};
static int
nvd0_crtc_create(struct drm_device *dev, int index)
{
struct nouveau_crtc *nv_crtc;
struct drm_crtc *crtc;
int ret, i;
nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
if (!nv_crtc)
return -ENOMEM;
nv_crtc->index = index;
nv_crtc->set_dither = nvd0_crtc_set_dither;
nv_crtc->set_scale = nvd0_crtc_set_scale;
for (i = 0; i < 256; i++) {
nv_crtc->lut.r[i] = i << 8;
nv_crtc->lut.g[i] = i << 8;
nv_crtc->lut.b[i] = i << 8;
}
crtc = &nv_crtc->base;
drm_crtc_init(dev, crtc, &nvd0_crtc_func);
drm_crtc_helper_add(crtc, &nvd0_crtc_hfunc);
drm_mode_crtc_set_gamma_size(crtc, 256);
ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
0, 0x0000, &nv_crtc->cursor.nvbo);
if (!ret) {
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
}
if (ret)
goto out;
ret = nouveau_bo_new(dev, 4096, 0x100, TTM_PL_FLAG_VRAM,
0, 0x0000, &nv_crtc->lut.nvbo);
if (!ret) {
ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->lut.nvbo);
if (ret)
nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
}
if (ret)
goto out;
nvd0_crtc_lut_load(crtc);
out:
if (ret)
nvd0_crtc_destroy(crtc);
return ret;
}
/******************************************************************************
* DAC
*****************************************************************************/
......@@ -194,6 +638,7 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, mode_ctrl);
evo_kick(push, encoder->dev, 0);
}
nv_encoder->crtc = encoder->crtc;
......@@ -204,9 +649,12 @@ nvd0_sor_disconnect(struct drm_encoder *encoder)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
u32 *push;
if (nv_encoder->crtc) {
u32 *push = evo_wait(dev, 0, 4);
nvd0_crtc_prepare(nv_encoder->crtc);
push = evo_wait(dev, 0, 4);
if (push) {
evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
evo_data(push, 0x00000000);
......@@ -493,6 +941,13 @@ nvd0_display_create(struct drm_device *dev)
return -ENOMEM;
dev_priv->engine.display.priv = disp;
/* create crtc objects to represent the hw heads */
for (i = 0; i < 2; i++) {
ret = nvd0_crtc_create(dev, i);
if (ret)
goto out;
}
/* create encoder/connector objects based on VBIOS DCB table */
for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
connector = nouveau_connector_create(dev, dcbe->connector);
......
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