diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c deleted file mode 100644 index 558012db35f8..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * 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 "ior.h" - -#include <subdev/timer.h> - -static void -nv50_dac_clock(struct nvkm_ior *dac) -{ - struct nvkm_device *device = dac->disp->engine.subdev.device; - const u32 doff = nv50_ior_base(dac); - nvkm_mask(device, 0x614280 + doff, 0x07070707, 0x00000000); -} - -int -nv50_dac_sense(struct nvkm_ior *dac, u32 loadval) -{ - struct nvkm_device *device = dac->disp->engine.subdev.device; - const u32 doff = nv50_ior_base(dac); - - dac->func->power(dac, false, true, false, false, false); - - nvkm_wr32(device, 0x61a00c + doff, 0x00100000 | loadval); - mdelay(9); - udelay(500); - loadval = nvkm_mask(device, 0x61a00c + doff, 0xffffffff, 0x00000000); - - dac->func->power(dac, false, false, false, false, false); - if (!(loadval & 0x80000000)) - return -ETIMEDOUT; - - return (loadval & 0x38000000) >> 27; -} - -static void -nv50_dac_power_wait(struct nvkm_device *device, const u32 doff) -{ - nvkm_msec(device, 2000, - if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000)) - break; - ); -} - -void -nv50_dac_power(struct nvkm_ior *dac, bool normal, bool pu, - bool data, bool vsync, bool hsync) -{ - struct nvkm_device *device = dac->disp->engine.subdev.device; - const u32 doff = nv50_ior_base(dac); - const u32 shift = normal ? 0 : 16; - const u32 state = 0x80000000 | (0x00000040 * ! pu | - 0x00000010 * ! data | - 0x00000004 * ! vsync | - 0x00000001 * ! hsync) << shift; - const u32 field = 0xc0000000 | (0x00000055 << shift); - - nv50_dac_power_wait(device, doff); - nvkm_mask(device, 0x61a004 + doff, field, state); - nv50_dac_power_wait(device, doff); -} - -static void -nv50_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state) -{ - struct nvkm_device *device = dac->disp->engine.subdev.device; - const u32 coff = dac->id * 8 + (state == &dac->arm) * 4; - u32 ctrl = nvkm_rd32(device, 0x610b58 + coff); - - state->proto_evo = (ctrl & 0x00000f00) >> 8; - switch (state->proto_evo) { - case 0: state->proto = CRT; break; - default: - state->proto = UNKNOWN; - break; - } - - state->head = ctrl & 0x00000003; -} - -static const struct nvkm_ior_func -nv50_dac = { - .state = nv50_dac_state, - .power = nv50_dac_power, - .sense = nv50_dac_sense, - .clock = nv50_dac_clock, -}; - -int -nv50_dac_new(struct nvkm_disp *disp, int id) -{ - return nvkm_ior_new_(&nv50_dac, disp, DAC, id); -} - -int -nv50_dac_cnt(struct nvkm_disp *disp, unsigned long *pmask) -{ - struct nvkm_device *device = disp->engine.subdev.device; - *pmask = (nvkm_rd32(device, 0x610184) & 0x00700000) >> 20; - return 3; -} |