drm/nv50-/instmem: allocate vram for kernel objects from end of vram

[linux-block.git] / drivers / gpu / drm / nouveau / core / subdev / device / nve0.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Ben Skeggs
 */

#include <subdev/device.h>
#include <subdev/bios.h>
#include <subdev/gpio.h>
#include <subdev/i2c.h>
#include <subdev/clock.h>
#include <subdev/devinit.h>
#include <subdev/mc.h>
#include <subdev/timer.h>

int
nve0_identify(struct nouveau_device *device)
{
	switch (device->chipset) {
	case 0xe4:
		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
		device->oclass[NVDEV_SUBDEV_GPIO   ] = &nvd0_gpio_oclass;
		device->oclass[NVDEV_SUBDEV_I2C    ] = &nouveau_i2c_oclass;
		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
		device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
		device->oclass[NVDEV_SUBDEV_MC     ] = &nvc0_mc_oclass;
		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
		break;
	case 0xe7:
		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
		device->oclass[NVDEV_SUBDEV_GPIO   ] = &nvd0_gpio_oclass;
		device->oclass[NVDEV_SUBDEV_I2C    ] = &nouveau_i2c_oclass;
		device->oclass[NVDEV_SUBDEV_CLOCK  ] = &nvc0_clock_oclass;
		device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
		device->oclass[NVDEV_SUBDEV_MC     ] = &nvc0_mc_oclass;
		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
		break;
	default:
		nv_fatal(device, "unknown Kepler chipset\n");
		return -EINVAL;
	}

	return 0;
}