diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c new file mode 100644 index 000000000000..dbd032ef352a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c @@ -0,0 +1,65 @@ +/* + * Copyright 2017 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. + */ +#include "ior.h" + +static void +gf119_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, 0x612280 + doff, 0x07070707, 0x00000000); +} + +static void +gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state) +{ + struct nvkm_device *device = dac->disp->engine.subdev.device; + const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20; + u32 ctrl = nvkm_rd32(device, 0x640180 + 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 & 0x0000000f; +} + +static const struct nvkm_ior_func +gf119_dac = { + .state = gf119_dac_state, + .power = nv50_dac_power, + .sense = nv50_dac_sense, + .clock = gf119_dac_clock, +}; + +int +gf119_dac_new(struct nvkm_disp *disp, int id) +{ + struct nvkm_device *device = disp->engine.subdev.device; + if (!(nvkm_rd32(device, 0x612004) & (0x00000010 << id))) + return 0; + return nvkm_ior_new_(&gf119_dac, disp, DAC, id); +} |