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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 <subdev/devinit.h>
#include <subdev/vga.h>
#include "fbmem.h"
struct nv04_devinit_priv {
struct nouveau_devinit base;
int owner;
};
static void
nv04_devinit_meminit(struct nouveau_devinit *devinit)
{
struct nv04_devinit_priv *priv = (void *)devinit;
u32 patt = 0xdeadbeef;
struct io_mapping *fb;
int i;
/* Map the framebuffer aperture */
fb = fbmem_init(nv_device(priv)->pdev);
if (!fb) {
nv_error(priv, "failed to map fb\n");
return;
}
/* Sequencer and refresh off */
nv_wrvgas(priv, 0, 1, nv_rdvgas(priv, 0, 1) | 0x20);
nv_mask(priv, NV04_PFB_DEBUG_0, 0, NV04_PFB_DEBUG_0_REFRESH_OFF);
nv_mask(priv, NV04_PFB_BOOT_0, ~0,
NV04_PFB_BOOT_0_RAM_AMOUNT_16MB |
NV04_PFB_BOOT_0_RAM_WIDTH_128 |
NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT);
for (i = 0; i < 4; i++)
fbmem_poke(fb, 4 * i, patt);
fbmem_poke(fb, 0x400000, patt + 1);
if (fbmem_peek(fb, 0) == patt + 1) {
nv_mask(priv, NV04_PFB_BOOT_0,
NV04_PFB_BOOT_0_RAM_TYPE,
NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_16MBIT);
nv_mask(priv, NV04_PFB_DEBUG_0,
NV04_PFB_DEBUG_0_REFRESH_OFF, 0);
for (i = 0; i < 4; i++)
fbmem_poke(fb, 4 * i, patt);
if ((fbmem_peek(fb, 0xc) & 0xffff) != (patt & 0xffff))
nv_mask(priv, NV04_PFB_BOOT_0,
NV04_PFB_BOOT_0_RAM_WIDTH_128 |
NV04_PFB_BOOT_0_RAM_AMOUNT,
NV04_PFB_BOOT_0_RAM_AMOUNT_8MB);
} else
if ((fbmem_peek(fb, 0xc) & 0xffff0000) != (patt & 0xffff0000)) {
nv_mask(priv, NV04_PFB_BOOT_0,
NV04_PFB_BOOT_0_RAM_WIDTH_128 |
NV04_PFB_BOOT_0_RAM_AMOUNT,
NV04_PFB_BOOT_0_RAM_AMOUNT_4MB);
} else
if (fbmem_peek(fb, 0) != patt) {
if (fbmem_readback(fb, 0x800000, patt))
nv_mask(priv, NV04_PFB_BOOT_0,
NV04_PFB_BOOT_0_RAM_AMOUNT,
NV04_PFB_BOOT_0_RAM_AMOUNT_8MB);
else
nv_mask(priv, NV04_PFB_BOOT_0,
NV04_PFB_BOOT_0_RAM_AMOUNT,
NV04_PFB_BOOT_0_RAM_AMOUNT_4MB);
nv_mask(priv, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_TYPE,
NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_8MBIT);
} else
if (!fbmem_readback(fb, 0x800000, patt)) {
nv_mask(priv, NV04_PFB_BOOT_0, NV04_PFB_BOOT_0_RAM_AMOUNT,
NV04_PFB_BOOT_0_RAM_AMOUNT_8MB);
}
/* Refresh on, sequencer on */
nv_mask(priv, NV04_PFB_DEBUG_0, NV04_PFB_DEBUG_0_REFRESH_OFF, 0);
nv_wrvgas(priv, 0, 1, nv_rdvgas(priv, 0, 1) & ~0x20);
fbmem_fini(fb);
}
static int
nv04_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv04_devinit_priv *priv;
int ret;
ret = nouveau_devinit_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
priv->base.meminit = nv04_devinit_meminit;
priv->owner = -1;
return 0;
}
void
nv04_devinit_dtor(struct nouveau_object *object)
{
struct nv04_devinit_priv *priv = (void *)object;
/* restore vga owner saved at first init, and lock crtc regs */
nv_wrvgaowner(priv, priv->owner);
nv_lockvgac(priv, true);
nouveau_devinit_destroy(&priv->base);
}
int
nv04_devinit_init(struct nouveau_object *object)
{
struct nv04_devinit_priv *priv = (void *)object;
if (!priv->base.post) {
u32 htotal = nv_rdvgac(priv, 0, 0x06);
htotal |= (nv_rdvgac(priv, 0, 0x07) & 0x01) << 8;
htotal |= (nv_rdvgac(priv, 0, 0x07) & 0x20) << 4;
htotal |= (nv_rdvgac(priv, 0, 0x25) & 0x01) << 10;
htotal |= (nv_rdvgac(priv, 0, 0x41) & 0x01) << 11;
if (!htotal) {
nv_info(priv, "adaptor not initialised\n");
priv->base.post = true;
}
}
return nouveau_devinit_init(&priv->base);
}
int
nv04_devinit_fini(struct nouveau_object *object, bool suspend)
{
struct nv04_devinit_priv *priv = (void *)object;
/* make i2c busses accessible */
nv_mask(priv, 0x000200, 0x00000001, 0x00000001);
/* unlock extended vga crtc regs, and unslave crtcs */
nv_lockvgac(priv, false);
if (priv->owner < 0)
priv->owner = nv_rdvgaowner(priv);
nv_wrvgaowner(priv, 0);
return nouveau_devinit_fini(&priv->base, suspend);
}
struct nouveau_oclass
nv04_devinit_oclass = {
.handle = NV_SUBDEV(DEVINIT, 0x04),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv04_devinit_ctor,
.dtor = nv04_devinit_dtor,
.init = nv04_devinit_init,
.fini = nv04_devinit_fini,
},
};
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