diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_pm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_pm.c | 146 | 
1 files changed, 0 insertions, 146 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c deleted file mode 100644 index 27afc0ea28b..00000000000 --- a/drivers/gpu/drm/nouveau/nv04_pm.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright 2010 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 <drm/drmP.h> -#include "nouveau_drm.h" -#include "nouveau_reg.h" -#include "dispnv04/hw.h" -#include "nouveau_pm.h" - -#include <subdev/bios/pll.h> -#include <subdev/clock.h> -#include <subdev/timer.h> - -int -nv04_pm_clocks_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) -{ -	int ret; - -	ret = nouveau_hw_get_clock(dev, PLL_CORE); -	if (ret < 0) -		return ret; -	perflvl->core = ret; - -	ret = nouveau_hw_get_clock(dev, PLL_MEMORY); -	if (ret < 0) -		return ret; -	perflvl->memory = ret; - -	return 0; -} - -struct nv04_pm_clock { -	struct nvbios_pll pll; -	struct nouveau_pll_vals calc; -}; - -struct nv04_pm_state { -	struct nv04_pm_clock core; -	struct nv04_pm_clock memory; -}; - -static int -calc_pll(struct drm_device *dev, u32 id, int khz, struct nv04_pm_clock *clk) -{ -	struct nouveau_device *device = nouveau_dev(dev); -	struct nouveau_bios *bios = nouveau_bios(device); -	struct nouveau_clock *pclk = nouveau_clock(device); -	int ret; - -	ret = nvbios_pll_parse(bios, id, &clk->pll); -	if (ret) -		return ret; - -	ret = pclk->pll_calc(pclk, &clk->pll, khz, &clk->calc); -	if (!ret) -		return -EINVAL; - -	return 0; -} - -void * -nv04_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl) -{ -	struct nv04_pm_state *info; -	int ret; - -	info = kzalloc(sizeof(*info), GFP_KERNEL); -	if (!info) -		return ERR_PTR(-ENOMEM); - -	ret = calc_pll(dev, PLL_CORE, perflvl->core, &info->core); -	if (ret) -		goto error; - -	if (perflvl->memory) { -		ret = calc_pll(dev, PLL_MEMORY, perflvl->memory, &info->memory); -		if (ret) -			goto error; -	} - -	return info; -error: -	kfree(info); -	return ERR_PTR(ret); -} - -static void -prog_pll(struct drm_device *dev, struct nv04_pm_clock *clk) -{ -	struct nouveau_device *device = nouveau_dev(dev); -	struct nouveau_clock *pclk = nouveau_clock(device); -	u32 reg = clk->pll.reg; - -	/* thank the insane nouveau_hw_setpll() interface for this */ -	if (device->card_type >= NV_40) -		reg += 4; - -	pclk->pll_prog(pclk, reg, &clk->calc); -} - -int -nv04_pm_clocks_set(struct drm_device *dev, void *pre_state) -{ -	struct nouveau_device *device = nouveau_dev(dev); -	struct nouveau_timer *ptimer = nouveau_timer(device); -	struct nv04_pm_state *state = pre_state; - -	prog_pll(dev, &state->core); - -	if (state->memory.pll.reg) { -		prog_pll(dev, &state->memory); -		if (device->card_type < NV_30) { -			if (device->card_type == NV_20) -				nv_mask(device, 0x1002c4, 0, 1 << 20); - -			/* Reset the DLLs */ -			nv_mask(device, 0x1002c0, 0, 1 << 8); -		} -	} - -	nv_ofuncs(ptimer)->init(nv_object(ptimer)); - -	kfree(state); -	return 0; -}  | 
