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 27afc0ea28b0..000000000000 --- 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; -} |