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/*
* Copyright (C) 2010 Francisco Jerez.
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#include "priv.h"
#include "ram.h"
static void
nv44_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
u32 flags, struct nvkm_fb_tile *tile)
{
tile->addr = 0x00000001; /* mode = vram */
tile->addr |= addr;
tile->limit = max(1u, addr + size) - 1;
tile->pitch = pitch;
}
void
nv44_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
{
struct nvkm_device *device = fb->subdev.device;
nvkm_wr32(device, 0x100604 + (i * 0x10), tile->limit);
nvkm_wr32(device, 0x100608 + (i * 0x10), tile->pitch);
nvkm_wr32(device, 0x100600 + (i * 0x10), tile->addr);
nvkm_rd32(device, 0x100600 + (i * 0x10));
}
void
nv44_fb_init(struct nvkm_fb *fb)
{
struct nvkm_device *device = fb->subdev.device;
nvkm_wr32(device, 0x100850, 0x80000000);
nvkm_wr32(device, 0x100800, 0x00000001);
}
static const struct nvkm_fb_func
nv44_fb = {
.init = nv44_fb_init,
.tile.regions = 12,
.tile.init = nv44_fb_tile_init,
.tile.fini = nv20_fb_tile_fini,
.tile.prog = nv44_fb_tile_prog,
.ram_new = nv44_ram_new,
};
int
nv44_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
{
return nvkm_fb_new_(&nv44_fb, device, type, inst, pfb);
}
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