Home | History | Annotate | Line # | Download | only in disp 
      1 /*	$NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2017 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
     26 
     27 #include "ior.h"
     28 
     29 static void
     30 gf119_dac_clock(struct nvkm_ior *dac)
     31 {
     32 	struct nvkm_device *device = dac->disp->engine.subdev.device;
     33 	const u32 doff = nv50_ior_base(dac);
     34 	nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
     35 }
     36 
     37 static void
     38 gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
     39 {
     40 	struct nvkm_device *device = dac->disp->engine.subdev.device;
     41 	const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
     42 	u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
     43 
     44 	state->proto_evo = (ctrl & 0x00000f00) >> 8;
     45 	switch (state->proto_evo) {
     46 	case 0: state->proto = CRT; break;
     47 	default:
     48 		state->proto = UNKNOWN;
     49 		break;
     50 	}
     51 
     52 	state->head = ctrl & 0x0000000f;
     53 }
     54 
     55 static const struct nvkm_ior_func
     56 gf119_dac = {
     57 	.state = gf119_dac_state,
     58 	.power = nv50_dac_power,
     59 	.sense = nv50_dac_sense,
     60 	.clock = gf119_dac_clock,
     61 };
     62 
     63 int
     64 gf119_dac_new(struct nvkm_disp *disp, int id)
     65 {
     66 	return nvkm_ior_new_(&gf119_dac, disp, DAC, id);
     67 }
     68 
     69 int
     70 gf119_dac_cnt(struct nvkm_disp *disp, unsigned long *pmask)
     71 {
     72 	struct nvkm_device *device = disp->engine.subdev.device;
     73 	*pmask = (nvkm_rd32(device, 0x612004) & 0x000000f0) >> 4;
     74 	return 4;
     75 }
     76