diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_pm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_pm.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c deleted file mode 100644 index 7dbb305d7e6..00000000000 --- a/drivers/gpu/drm/nouveau/nv50_pm.c +++ /dev/null @@ -1,131 +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 "drmP.h" -#include "nouveau_drv.h" -#include "nouveau_bios.h" -#include "nouveau_pm.h" - -struct nv50_pm_state { - struct nouveau_pm_level *perflvl; - struct pll_lims pll; - enum pll_types type; - int N, M, P; -}; - -int -nv50_pm_clock_get(struct drm_device *dev, u32 id) -{ - struct pll_lims pll; - int P, N, M, ret; - u32 reg0, reg1; - - ret = get_pll_limits(dev, id, &pll); - if (ret) - return ret; - - reg0 = nv_rd32(dev, pll.reg + 0); - reg1 = nv_rd32(dev, pll.reg + 4); - P = (reg0 & 0x00070000) >> 16; - N = (reg1 & 0x0000ff00) >> 8; - M = (reg1 & 0x000000ff); - - return ((pll.refclk * N / M) >> P); -} - -void * -nv50_pm_clock_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl, - u32 id, int khz) -{ - struct nv50_pm_state *state; - int dummy, ret; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return ERR_PTR(-ENOMEM); - state->type = id; - state->perflvl = perflvl; - - ret = get_pll_limits(dev, id, &state->pll); - if (ret < 0) { - kfree(state); - return (ret == -ENOENT) ? NULL : ERR_PTR(ret); - } - - ret = nv50_calc_pll(dev, &state->pll, khz, &state->N, &state->M, - &dummy, &dummy, &state->P); - if (ret < 0) { - kfree(state); - return ERR_PTR(ret); - } - - return state; -} - -void -nv50_pm_clock_set(struct drm_device *dev, void *pre_state) -{ - struct nv50_pm_state *state = pre_state; - struct nouveau_pm_level *perflvl = state->perflvl; - u32 reg = state->pll.reg, tmp; - struct bit_entry BIT_M; - u16 script; - int N = state->N; - int M = state->M; - int P = state->P; - - if (state->type == PLL_MEMORY && perflvl->memscript && - bit_table(dev, 'M', &BIT_M) == 0 && - BIT_M.version == 1 && BIT_M.length >= 0x0b) { - script = ROM16(BIT_M.data[0x05]); - if (script) - nouveau_bios_run_init_table(dev, script, NULL); - script = ROM16(BIT_M.data[0x07]); - if (script) - nouveau_bios_run_init_table(dev, script, NULL); - script = ROM16(BIT_M.data[0x09]); - if (script) - nouveau_bios_run_init_table(dev, script, NULL); - - nouveau_bios_run_init_table(dev, perflvl->memscript, NULL); - } - - if (state->type == PLL_MEMORY) { - nv_wr32(dev, 0x100210, 0); - nv_wr32(dev, 0x1002dc, 1); - } - - tmp = nv_rd32(dev, reg + 0) & 0xfff8ffff; - tmp |= 0x80000000 | (P << 16); - nv_wr32(dev, reg + 0, tmp); - nv_wr32(dev, reg + 4, (N << 8) | M); - - if (state->type == PLL_MEMORY) { - nv_wr32(dev, 0x1002dc, 0); - nv_wr32(dev, 0x100210, 0x80000000); - } - - kfree(state); -} - |
