[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / nouveau / nvkm / engine / disp / gf119.c

/*
 * 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 "nv50.h"
#include "head.h"
#include "ior.h"
#include "rootnv50.h"

#include <subdev/bios.h>
#include <subdev/bios/disp.h>
#include <subdev/bios/init.h>
#include <subdev/bios/pll.h>
#include <subdev/devinit.h>

static struct nvkm_output *
exec_lookup(struct nv50_disp *disp, int head, int or, u32 ctrl,
	    u32 *data, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
	    struct nvbios_outp *info)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_bios *bios = subdev->device->bios;
	struct nvkm_output *outp;
	u16 mask, type;

	if (or < 4) {
		type = DCB_OUTPUT_ANALOG;
		mask = 0;
	} else {
		or -= 4;
		switch (ctrl & 0x00000f00) {
		case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break;
		case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break;
		case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break;
		case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break;
		case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break;
		case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
		default:
			nvkm_error(subdev, "unknown SOR mc %08x\n", ctrl);
			return NULL;
		}
	}

	mask  = 0x00c0 & (mask << 6);
	mask |= 0x0001 << or;
	mask |= 0x0100 << head;

	list_for_each_entry(outp, &disp->base.outp, head) {
		if ((outp->info.hasht & 0xff) == type &&
		    (outp->info.hashm & mask) == mask) {
			*data = nvbios_outp_match(bios, outp->info.hasht, mask,
						  ver, hdr, cnt, len, info);
			if (!*data)
				return NULL;
			return outp;
		}
	}

	return NULL;
}

static struct nvkm_output *
exec_script(struct nv50_disp *disp, int head, int id)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_device *device = subdev->device;
	struct nvkm_bios *bios = device->bios;
	struct nvkm_output *outp;
	struct nvbios_outp info;
	u8  ver, hdr, cnt, len;
	u32 data, ctrl = 0;
	int or;

	for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
		ctrl = nvkm_rd32(device, 0x640180 + (or * 0x20));
		if (ctrl & (1 << head))
			break;
	}

	if (or == 8)
		return NULL;

	outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info);
	if (outp) {
		struct nvbios_init init = {
			.subdev = subdev,
			.bios = bios,
			.offset = info.script[id],
			.outp = &outp->info,
			.crtc = head,
			.execute = 1,
		};

		nvbios_exec(&init);
	}

	return outp;
}

static struct nvkm_output *
exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_device *device = subdev->device;
	struct nvkm_bios *bios = device->bios;
	struct nvkm_output *outp;
	struct nvbios_outp info1;
	struct nvbios_ocfg info2;
	u8  ver, hdr, cnt, len;
	u32 data, ctrl = 0;
	int or;

	for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
		ctrl = nvkm_rd32(device, 0x660180 + (or * 0x20));
		if (ctrl & (1 << head))
			break;
	}

	if (or == 8)
		return NULL;

	outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
	if (!outp)
		return NULL;

	*conf = (ctrl & 0x00000f00) >> 8;
	switch (outp->info.type) {
	case DCB_OUTPUT_TMDS:
		if (*conf == 5)
			*conf |= 0x0100;
		break;
	case DCB_OUTPUT_LVDS:
		*conf |= disp->sor.lvdsconf;
		break;
	default:
		break;
	}

	data = nvbios_ocfg_match(bios, data, *conf & 0xff, *conf >> 8,
				 &ver, &hdr, &cnt, &len, &info2);
	if (data && id < 0xff) {
		data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
		if (data) {
			struct nvbios_init init = {
				.subdev = subdev,
				.bios = bios,
				.offset = data,
				.outp = &outp->info,
				.crtc = head,
				.execute = 1,
			};

			nvbios_exec(&init);
		}
	}

	return outp;
}

static void
gf119_disp_intr_unk1_0(struct nv50_disp *disp, int head)
{
	exec_script(disp, head, 1);
}

static void
gf119_disp_intr_unk2_0(struct nv50_disp *disp, int head)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_output *outp = exec_script(disp, head, 2);

	/* see note in nv50_disp_intr_unk20_0() */
	if (outp && outp->info.type == DCB_OUTPUT_DP) {
		struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
		if (!outpdp->lt.mst) {
			struct nvbios_init init = {
				.subdev = subdev,
				.bios = subdev->device->bios,
				.outp = &outp->info,
				.crtc = head,
				.offset = outpdp->info.script[4],
				.execute = 1,
			};

			atomic_set(&outpdp->lt.done, 0);
			nvbios_exec(&init);
		}
	}
}

static void
gf119_disp_intr_unk2_1(struct nv50_disp *disp, int head)
{
	struct nvkm_device *device = disp->base.engine.subdev.device;
	struct nvkm_devinit *devinit = device->devinit;
	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	if (pclk)
		nvkm_devinit_pll_set(devinit, PLL_VPLL0 + head, pclk);
	nvkm_wr32(device, 0x612200 + (head * 0x800), 0x00000000);
}

static void
gf119_disp_intr_unk2_2_tu(struct nv50_disp *disp, int head,
			  struct dcb_output *outp)
{
	struct nvkm_device *device = disp->base.engine.subdev.device;
	const int or = ffs(outp->or) - 1;
	const u32 ctrl = nvkm_rd32(device, 0x660200 + (or   * 0x020));
	const u32 conf = nvkm_rd32(device, 0x660404 + (head * 0x300));
	const s32 vactive = nvkm_rd32(device, 0x660414 + (head * 0x300)) & 0xffff;
	const s32 vblanke = nvkm_rd32(device, 0x66041c + (head * 0x300)) & 0xffff;
	const s32 vblanks = nvkm_rd32(device, 0x660420 + (head * 0x300)) & 0xffff;
	const u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	const u32 link = ((ctrl & 0xf00) == 0x800) ? 0 : 1;
	const u32 hoff = (head * 0x800);
	const u32 soff = (  or * 0x800);
	const u32 loff = (link * 0x080) + soff;
	const u32 symbol = 100000;
	const u32 TU = 64;
	u32 dpctrl = nvkm_rd32(device, 0x61c10c + loff);
	u32 clksor = nvkm_rd32(device, 0x612300 + soff);
	u32 datarate, link_nr, link_bw, bits;
	u64 ratio, value;

	link_nr  = hweight32(dpctrl & 0x000f0000);
	link_bw  = (clksor & 0x007c0000) >> 18;
	link_bw *= 27000;

	/* symbols/hblank - algorithm taken from comments in tegra driver */
	value = vblanke + vactive - vblanks - 7;
	value = value * link_bw;
	do_div(value, pclk);
	value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr);
	nvkm_mask(device, 0x616620 + hoff, 0x0000ffff, value);

	/* symbols/vblank - algorithm taken from comments in tegra driver */
	value = vblanks - vblanke - 25;
	value = value * link_bw;
	do_div(value, pclk);
	value = value - ((36 / link_nr) + 3) - 1;
	nvkm_mask(device, 0x616624 + hoff, 0x00ffffff, value);

	/* watermark */
	if      ((conf & 0x3c0) == 0x180) bits = 30;
	else if ((conf & 0x3c0) == 0x140) bits = 24;
	else                              bits = 18;
	datarate = (pclk * bits) / 8;

	ratio  = datarate;
	ratio *= symbol;
	do_div(ratio, link_nr * link_bw);

	value  = (symbol - ratio) * TU;
	value *= ratio;
	do_div(value, symbol);
	do_div(value, symbol);

	value += 5;
	value |= 0x08000000;

	nvkm_wr32(device, 0x616610 + hoff, value);
}

static void
gf119_disp_intr_unk2_2(struct nv50_disp *disp, int head)
{
	struct nvkm_device *device = disp->base.engine.subdev.device;
	struct nvkm_output *outp;
	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	u32 conf, addr, data;

	outp = exec_clkcmp(disp, head, 0xff, pclk, &conf);
	if (!outp)
		return;

	/* see note in nv50_disp_intr_unk20_2() */
	if (outp->info.type == DCB_OUTPUT_DP) {
		u32 sync = nvkm_rd32(device, 0x660404 + (head * 0x300));
		switch ((sync & 0x000003c0) >> 6) {
		case 6: pclk = pclk * 30; break;
		case 5: pclk = pclk * 24; break;
		case 2:
		default:
			pclk = pclk * 18;
			break;
		}

		if (nvkm_output_dp_train(outp, pclk))
			OUTP_ERR(outp, "link not trained before attach");
	} else {
		if (disp->func->sor.magic)
			disp->func->sor.magic(outp);
	}

	exec_clkcmp(disp, head, 0, pclk, &conf);

	if (outp->info.type == DCB_OUTPUT_ANALOG) {
		addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800;
		data = 0x00000000;
	} else {
		addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800;
		data = (conf & 0x0100) ? 0x00000101 : 0x00000000;
		switch (outp->info.type) {
		case DCB_OUTPUT_TMDS:
			nvkm_mask(device, addr, 0x007c0000, 0x00280000);
			break;
		case DCB_OUTPUT_DP:
			gf119_disp_intr_unk2_2_tu(disp, head, &outp->info);
			break;
		default:
			break;
		}
	}

	nvkm_mask(device, addr, 0x00000707, data);
}

static void
gf119_disp_intr_unk4_0(struct nv50_disp *disp, int head)
{
	struct nvkm_device *device = disp->base.engine.subdev.device;
	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	u32 conf;

	exec_clkcmp(disp, head, 1, pclk, &conf);
}

void
gf119_disp_super(struct work_struct *work)
{
	struct nv50_disp *disp =
		container_of(work, struct nv50_disp, supervisor);
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_device *device = subdev->device;
	struct nvkm_head *head;
	u32 mask[4];

	nvkm_debug(subdev, "supervisor %d\n", ffs(disp->super));
	list_for_each_entry(head, &disp->base.head, head) {
		mask[head->id] = nvkm_rd32(device, 0x6101d4 + (head->id * 0x800));
		HEAD_DBG(head, "%08x", mask[head->id]);
	}

	if (disp->super & 0x00000001) {
		nv50_disp_chan_mthd(disp->chan[0], NV_DBG_DEBUG);
		nv50_disp_super_1(disp);
		list_for_each_entry(head, &disp->base.head, head) {
			if (!(mask[head->id] & 0x00001000))
				continue;
			nvkm_debug(subdev, "supervisor 1.0 - head %d\n", head->id);
			gf119_disp_intr_unk1_0(disp, head->id);
		}
	} else
	if (disp->super & 0x00000002) {
		list_for_each_entry(head, &disp->base.head, head) {
			if (!(mask[head->id] & 0x00001000))
				continue;
			nvkm_debug(subdev, "supervisor 2.0 - head %d\n", head->id);
			gf119_disp_intr_unk2_0(disp, head->id);
		}
		list_for_each_entry(head, &disp->base.head, head) {
			if (!(mask[head->id] & 0x00010000))
				continue;
			nvkm_debug(subdev, "supervisor 2.1 - head %d\n", head->id);
			gf119_disp_intr_unk2_1(disp, head->id);
		}
		list_for_each_entry(head, &disp->base.head, head) {
			if (!(mask[head->id] & 0x00001000))
				continue;
			nvkm_debug(subdev, "supervisor 2.2 - head %d\n", head->id);
			gf119_disp_intr_unk2_2(disp, head->id);
		}
	} else
	if (disp->super & 0x00000004) {
		list_for_each_entry(head, &disp->base.head, head) {
			if (!(mask[head->id] & 0x00001000))
				continue;
			nvkm_debug(subdev, "supervisor 3.0 - head %d\n", head->id);
			gf119_disp_intr_unk4_0(disp, head->id);
		}
	}

	list_for_each_entry(head, &disp->base.head, head)
		nvkm_wr32(device, 0x6101d4 + (head->id * 0x800), 0x00000000);
	nvkm_wr32(device, 0x6101d0, 0x80000000);
}

void
gf119_disp_intr_error(struct nv50_disp *disp, int chid)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_device *device = subdev->device;
	u32 mthd = nvkm_rd32(device, 0x6101f0 + (chid * 12));
	u32 data = nvkm_rd32(device, 0x6101f4 + (chid * 12));
	u32 unkn = nvkm_rd32(device, 0x6101f8 + (chid * 12));

	nvkm_error(subdev, "chid %d mthd %04x data %08x %08x %08x\n",
		   chid, (mthd & 0x0000ffc), data, mthd, unkn);

	if (chid < ARRAY_SIZE(disp->chan)) {
		switch (mthd & 0xffc) {
		case 0x0080:
			nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
			break;
		default:
			break;
		}
	}

	nvkm_wr32(device, 0x61009c, (1 << chid));
	nvkm_wr32(device, 0x6101f0 + (chid * 12), 0x90000000);
}

void
gf119_disp_intr(struct nv50_disp *disp)
{
	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	struct nvkm_device *device = subdev->device;
	struct nvkm_head *head;
	u32 intr = nvkm_rd32(device, 0x610088);

	if (intr & 0x00000001) {
		u32 stat = nvkm_rd32(device, 0x61008c);
		while (stat) {
			int chid = __ffs(stat); stat &= ~(1 << chid);
			nv50_disp_chan_uevent_send(disp, chid);
			nvkm_wr32(device, 0x61008c, 1 << chid);
		}
		intr &= ~0x00000001;
	}

	if (intr & 0x00000002) {
		u32 stat = nvkm_rd32(device, 0x61009c);
		int chid = ffs(stat) - 1;
		if (chid >= 0)
			disp->func->intr_error(disp, chid);
		intr &= ~0x00000002;
	}

	if (intr & 0x00100000) {
		u32 stat = nvkm_rd32(device, 0x6100ac);
		if (stat & 0x00000007) {
			disp->super = (stat & 0x00000007);
			queue_work(disp->wq, &disp->supervisor);
			nvkm_wr32(device, 0x6100ac, disp->super);
			stat &= ~0x00000007;
		}

		if (stat) {
			nvkm_warn(subdev, "intr24 %08x\n", stat);
			nvkm_wr32(device, 0x6100ac, stat);
		}

		intr &= ~0x00100000;
	}

	list_for_each_entry(head, &disp->base.head, head) {
		const u32 hoff = head->id * 0x800;
		u32 mask = 0x01000000 << head->id;
		if (mask & intr) {
			u32 stat = nvkm_rd32(device, 0x6100bc + hoff);
			if (stat & 0x00000001)
				nvkm_disp_vblank(&disp->base, head->id);
			nvkm_mask(device, 0x6100bc + hoff, 0, 0);
			nvkm_rd32(device, 0x6100c0 + hoff);
		}
	}
}

int
gf119_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device,
		int index, struct nvkm_disp **pdisp)
{
	u32 heads = nvkm_rd32(device, 0x022448);
	return nv50_disp_new_(func, device, index, heads, pdisp);
}

static const struct nv50_disp_func
gf119_disp = {
	.intr = gf119_disp_intr,
	.intr_error = gf119_disp_intr_error,
	.uevent = &gf119_disp_chan_uevent,
	.super = gf119_disp_super,
	.root = &gf119_disp_root_oclass,
	.head.new = gf119_head_new,
	.outp.internal.crt = nv50_dac_output_new,
	.outp.internal.tmds = nv50_sor_output_new,
	.outp.internal.lvds = nv50_sor_output_new,
	.outp.internal.dp = gf119_sor_dp_new,
	.dac.nr = 3,
	.dac.new = gf119_dac_new,
	.dac.sense = nv50_dac_sense,
	.sor.nr = 4,
	.sor.new = gf119_sor_new,
	.sor.hda_eld = gf119_hda_eld,
	.sor.hdmi = gf119_hdmi_ctrl,
};

int
gf119_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
{
	return gf119_disp_new_(&gf119_disp, device, index, pdisp);
}
Commit	Line	Data
2a7909c0 BS	1	/*
	2	* Copyright 2012 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Ben Skeggs
	23	*/
	24	#include "nv50.h"
a1c93078	25	#include "head.h"
78f1ad6f	26	#include "ior.h"
2a7909c0 BS	27	#include "rootnv50.h"
	28
	29	#include <subdev/bios.h>
	30	#include <subdev/bios/disp.h>
	31	#include <subdev/bios/init.h>
	32	#include <subdev/bios/pll.h>
	33	#include <subdev/devinit.h>
	34
2a7909c0 BS	35	static struct nvkm_output *
	36	exec_lookup(struct nv50_disp *disp, int head, int or, u32 ctrl,
	37	u32 data, u8 ver, u8 hdr, u8 cnt, u8 *len,
	38	struct nvbios_outp *info)
	39	{
	40	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	41	struct nvkm_bios *bios = subdev->device->bios;
	42	struct nvkm_output *outp;
	43	u16 mask, type;
	44
	45	if (or < 4) {
	46	type = DCB_OUTPUT_ANALOG;
	47	mask = 0;
	48	} else {
	49	or -= 4;
	50	switch (ctrl & 0x00000f00) {
	51	case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break;
	52	case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break;
	53	case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break;
	54	case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break;
	55	case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break;
	56	case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
	57	default:
	58	nvkm_error(subdev, "unknown SOR mc %08x\n", ctrl);
	59	return NULL;
	60	}
	61	}
	62
	63	mask = 0x00c0 & (mask << 6);
	64	mask \|= 0x0001 << or;
	65	mask \|= 0x0100 << head;
	66
	67	list_for_each_entry(outp, &disp->base.outp, head) {
	68	if ((outp->info.hasht & 0xff) == type &&
	69	(outp->info.hashm & mask) == mask) {
9a2b8131	70	*data = nvbios_outp_match(bios, outp->info.hasht, mask,
2a7909c0 BS	71	ver, hdr, cnt, len, info);
	72	if (!*data)
	73	return NULL;
	74	return outp;
	75	}
	76	}
	77
	78	return NULL;
	79	}
	80
	81	static struct nvkm_output *
	82	exec_script(struct nv50_disp *disp, int head, int id)
	83	{
70aa8670 BS	84	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
70aa8670 BS	85	struct nvkm_device *device = subdev->device;
2a7909c0 BS	86	struct nvkm_bios *bios = device->bios;
	87	struct nvkm_output *outp;
	88	struct nvbios_outp info;
	89	u8 ver, hdr, cnt, len;
	90	u32 data, ctrl = 0;
	91	int or;
	92
	93	for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
	94	ctrl = nvkm_rd32(device, 0x640180 + (or * 0x20));
	95	if (ctrl & (1 << head))
	96	break;
	97	}
	98
	99	if (or == 8)
	100	return NULL;
	101
	102	outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info);
	103	if (outp) {
	104	struct nvbios_init init = {
70aa8670	105	.subdev = subdev,
2a7909c0 BS	106	.bios = bios,
	107	.offset = info.script[id],
	108	.outp = &outp->info,
	109	.crtc = head,
	110	.execute = 1,
	111	};
	112
	113	nvbios_exec(&init);
	114	}
	115
	116	return outp;
	117	}
	118
	119	static struct nvkm_output *
	120	exec_clkcmp(struct nv50_disp disp, int head, int id, u32 pclk, u32 conf)
	121	{
70aa8670 BS	122	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
70aa8670 BS	123	struct nvkm_device *device = subdev->device;
2a7909c0 BS	124	struct nvkm_bios *bios = device->bios;
	125	struct nvkm_output *outp;
	126	struct nvbios_outp info1;
	127	struct nvbios_ocfg info2;
	128	u8 ver, hdr, cnt, len;
	129	u32 data, ctrl = 0;
	130	int or;
	131
	132	for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
	133	ctrl = nvkm_rd32(device, 0x660180 + (or * 0x20));
	134	if (ctrl & (1 << head))
	135	break;
	136	}
	137
	138	if (or == 8)
	139	return NULL;
	140
	141	outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
	142	if (!outp)
	143	return NULL;
	144
bc9139d2	145	*conf = (ctrl & 0x00000f00) >> 8;
2a7909c0 BS	146	switch (outp->info.type) {
2a7909c0 BS	147	case DCB_OUTPUT_TMDS:
16ef53a9	148	if (*conf == 5)
2a7909c0 BS	149	*conf \|= 0x0100;
	150	break;
	151	case DCB_OUTPUT_LVDS:
bc9139d2	152	*conf \|= disp->sor.lvdsconf;
2a7909c0	153	break;
2a7909c0	154	default:
2a7909c0 BS	155	break;
	156	}
	157
bc9139d2 BS	158	data = nvbios_ocfg_match(bios, data, conf & 0xff, conf >> 8,
bc9139d2 BS	159	&ver, &hdr, &cnt, &len, &info2);
2a7909c0 BS	160	if (data && id < 0xff) {
	161	data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
	162	if (data) {
	163	struct nvbios_init init = {
70aa8670	164	.subdev = subdev,
2a7909c0 BS	165	.bios = bios,
	166	.offset = data,
	167	.outp = &outp->info,
	168	.crtc = head,
	169	.execute = 1,
	170	};
	171
	172	nvbios_exec(&init);
	173	}
	174	}
	175
	176	return outp;
	177	}
	178
	179	static void
	180	gf119_disp_intr_unk1_0(struct nv50_disp *disp, int head)
	181	{
	182	exec_script(disp, head, 1);
	183	}
	184
	185	static void
	186	gf119_disp_intr_unk2_0(struct nv50_disp *disp, int head)
	187	{
46484438	188	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
2a7909c0 BS	189	struct nvkm_output *outp = exec_script(disp, head, 2);
	190
	191	/* see note in nv50_disp_intr_unk20_0() */
	192	if (outp && outp->info.type == DCB_OUTPUT_DP) {
	193	struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
f2a40513 BS	194	if (!outpdp->lt.mst) {
	195	struct nvbios_init init = {
	196	.subdev = subdev,
	197	.bios = subdev->device->bios,
	198	.outp = &outp->info,
	199	.crtc = head,
	200	.offset = outpdp->info.script[4],
	201	.execute = 1,
	202	};
2a7909c0	203
f2a40513	204	atomic_set(&outpdp->lt.done, 0);
22e008f9	205	nvbios_exec(&init);
f2a40513	206	}
2a7909c0 BS	207	}
	208	}
	209
	210	static void
	211	gf119_disp_intr_unk2_1(struct nv50_disp *disp, int head)
	212	{
	213	struct nvkm_device *device = disp->base.engine.subdev.device;
	214	struct nvkm_devinit *devinit = device->devinit;
	215	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	216	if (pclk)
151abd44	217	nvkm_devinit_pll_set(devinit, PLL_VPLL0 + head, pclk);
2a7909c0 BS	218	nvkm_wr32(device, 0x612200 + (head * 0x800), 0x00000000);
	219	}
	220
	221	static void
	222	gf119_disp_intr_unk2_2_tu(struct nv50_disp *disp, int head,
	223	struct dcb_output *outp)
	224	{
	225	struct nvkm_device *device = disp->base.engine.subdev.device;
	226	const int or = ffs(outp->or) - 1;
	227	const u32 ctrl = nvkm_rd32(device, 0x660200 + (or * 0x020));
	228	const u32 conf = nvkm_rd32(device, 0x660404 + (head * 0x300));
	229	const s32 vactive = nvkm_rd32(device, 0x660414 + (head * 0x300)) & 0xffff;
	230	const s32 vblanke = nvkm_rd32(device, 0x66041c + (head * 0x300)) & 0xffff;
	231	const s32 vblanks = nvkm_rd32(device, 0x660420 + (head * 0x300)) & 0xffff;
	232	const u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	233	const u32 link = ((ctrl & 0xf00) == 0x800) ? 0 : 1;
	234	const u32 hoff = (head * 0x800);
	235	const u32 soff = ( or * 0x800);
	236	const u32 loff = (link * 0x080) + soff;
	237	const u32 symbol = 100000;
	238	const u32 TU = 64;
	239	u32 dpctrl = nvkm_rd32(device, 0x61c10c + loff);
	240	u32 clksor = nvkm_rd32(device, 0x612300 + soff);
	241	u32 datarate, link_nr, link_bw, bits;
	242	u64 ratio, value;
	243
	244	link_nr = hweight32(dpctrl & 0x000f0000);
	245	link_bw = (clksor & 0x007c0000) >> 18;
	246	link_bw *= 27000;
	247
	248	/* symbols/hblank - algorithm taken from comments in tegra driver */
	249	value = vblanke + vactive - vblanks - 7;
	250	value = value * link_bw;
	251	do_div(value, pclk);
	252	value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr);
	253	nvkm_mask(device, 0x616620 + hoff, 0x0000ffff, value);
	254
	255	/* symbols/vblank - algorithm taken from comments in tegra driver */
	256	value = vblanks - vblanke - 25;
	257	value = value * link_bw;
	258	do_div(value, pclk);
	259	value = value - ((36 / link_nr) + 3) - 1;
	260	nvkm_mask(device, 0x616624 + hoff, 0x00ffffff, value);
	261
	262	/* watermark */
	263	if ((conf & 0x3c0) == 0x180) bits = 30;
	264	else if ((conf & 0x3c0) == 0x140) bits = 24;
	265	else bits = 18;
	266	datarate = (pclk * bits) / 8;
	267
	268	ratio = datarate;
	269	ratio *= symbol;
	270	do_div(ratio, link_nr * link_bw);
	271
	272	value = (symbol - ratio) * TU;
	273	value *= ratio;
	274	do_div(value, symbol);
	275	do_div(value, symbol);
	276
	277	value += 5;
	278	value \|= 0x08000000;
	279
	280	nvkm_wr32(device, 0x616610 + hoff, value);
	281	}
282
283	static void
284	gf119_disp_intr_unk2_2(struct nv50_disp *disp, int head)
285	{
286	struct nvkm_device *device = disp->base.engine.subdev.device;
287	struct nvkm_output *outp;
288	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
289	u32 conf, addr, data;
290
291	outp = exec_clkcmp(disp, head, 0xff, pclk, &conf);
292	if (!outp)
293	return;
294
295	/* see note in nv50_disp_intr_unk20_2() */
296	if (outp->info.type == DCB_OUTPUT_DP) {
297	u32 sync = nvkm_rd32(device, 0x660404 + (head * 0x300));
298	switch ((sync & 0x000003c0) >> 6) {
299	case 6: pclk = pclk * 30; break;
300	case 5: pclk = pclk * 24; break;
301	case 2:
302	default:
303	pclk = pclk * 18;
304	break;
305	}
306
1f8711ba	307	if (nvkm_output_dp_train(outp, pclk))
2a7909c0 BS	308	OUTP_ERR(outp, "link not trained before attach");
2a7909c0 BS	309	} else {
70aa8670 BS	310	if (disp->func->sor.magic)
70aa8670 BS	311	disp->func->sor.magic(outp);
2a7909c0 BS	312	}
	313
	314	exec_clkcmp(disp, head, 0, pclk, &conf);
	315
	316	if (outp->info.type == DCB_OUTPUT_ANALOG) {
	317	addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800;
	318	data = 0x00000000;
	319	} else {
	320	addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800;
	321	data = (conf & 0x0100) ? 0x00000101 : 0x00000000;
	322	switch (outp->info.type) {
	323	case DCB_OUTPUT_TMDS:
	324	nvkm_mask(device, addr, 0x007c0000, 0x00280000);
	325	break;
	326	case DCB_OUTPUT_DP:
	327	gf119_disp_intr_unk2_2_tu(disp, head, &outp->info);
	328	break;
	329	default:
	330	break;
	331	}
	332	}
	333
	334	nvkm_mask(device, addr, 0x00000707, data);
	335	}
	336
	337	static void
	338	gf119_disp_intr_unk4_0(struct nv50_disp *disp, int head)
	339	{
	340	struct nvkm_device *device = disp->base.engine.subdev.device;
	341	u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000;
	342	u32 conf;
	343
	344	exec_clkcmp(disp, head, 1, pclk, &conf);
	345	}
	346
	347	void
af85389c	348	gf119_disp_super(struct work_struct *work)
2a7909c0 BS	349	{
	350	struct nv50_disp *disp =
	351	container_of(work, struct nv50_disp, supervisor);
2a7909c0 BS	352	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
2a7909c0 BS	353	struct nvkm_device *device = subdev->device;
a1c93078	354	struct nvkm_head *head;
2a7909c0	355	u32 mask[4];
2a7909c0 BS	356
2a7909c0 BS	357	nvkm_debug(subdev, "supervisor %d\n", ffs(disp->super));
a1c93078 BS	358	list_for_each_entry(head, &disp->base.head, head) {
	359	mask[head->id] = nvkm_rd32(device, 0x6101d4 + (head->id * 0x800));
	360	HEAD_DBG(head, "%08x", mask[head->id]);
2a7909c0 BS	361	}
	362
	363	if (disp->super & 0x00000001) {
0ce41e3c	364	nv50_disp_chan_mthd(disp->chan[0], NV_DBG_DEBUG);
29c0ca73	365	nv50_disp_super_1(disp);
a1c93078 BS	366	list_for_each_entry(head, &disp->base.head, head) {
a1c93078 BS	367	if (!(mask[head->id] & 0x00001000))
2a7909c0	368	continue;
a1c93078 BS	369	nvkm_debug(subdev, "supervisor 1.0 - head %d\n", head->id);
a1c93078 BS	370	gf119_disp_intr_unk1_0(disp, head->id);
2a7909c0 BS	371	}
	372	} else
	373	if (disp->super & 0x00000002) {
a1c93078 BS	374	list_for_each_entry(head, &disp->base.head, head) {
a1c93078 BS	375	if (!(mask[head->id] & 0x00001000))
2a7909c0	376	continue;
a1c93078 BS	377	nvkm_debug(subdev, "supervisor 2.0 - head %d\n", head->id);
a1c93078 BS	378	gf119_disp_intr_unk2_0(disp, head->id);
2a7909c0	379	}
a1c93078 BS	380	list_for_each_entry(head, &disp->base.head, head) {
a1c93078 BS	381	if (!(mask[head->id] & 0x00010000))
2a7909c0	382	continue;
a1c93078 BS	383	nvkm_debug(subdev, "supervisor 2.1 - head %d\n", head->id);
a1c93078 BS	384	gf119_disp_intr_unk2_1(disp, head->id);
2a7909c0	385	}
a1c93078 BS	386	list_for_each_entry(head, &disp->base.head, head) {
a1c93078 BS	387	if (!(mask[head->id] & 0x00001000))
2a7909c0	388	continue;
a1c93078 BS	389	nvkm_debug(subdev, "supervisor 2.2 - head %d\n", head->id);
a1c93078 BS	390	gf119_disp_intr_unk2_2(disp, head->id);
2a7909c0 BS	391	}
	392	} else
	393	if (disp->super & 0x00000004) {
a1c93078 BS	394	list_for_each_entry(head, &disp->base.head, head) {
a1c93078 BS	395	if (!(mask[head->id] & 0x00001000))
2a7909c0	396	continue;
a1c93078 BS	397	nvkm_debug(subdev, "supervisor 3.0 - head %d\n", head->id);
a1c93078 BS	398	gf119_disp_intr_unk4_0(disp, head->id);
2a7909c0 BS	399	}
	400	}
	401
a1c93078 BS	402	list_for_each_entry(head, &disp->base.head, head)
a1c93078 BS	403	nvkm_wr32(device, 0x6101d4 + (head->id * 0x800), 0x00000000);
2a7909c0 BS	404	nvkm_wr32(device, 0x6101d0, 0x80000000);
	405	}
	406
fd47877f	407	void
2a7909c0 BS	408	gf119_disp_intr_error(struct nv50_disp *disp, int chid)
2a7909c0 BS	409	{
2a7909c0 BS	410	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
	411	struct nvkm_device *device = subdev->device;
	412	u32 mthd = nvkm_rd32(device, 0x6101f0 + (chid * 12));
	413	u32 data = nvkm_rd32(device, 0x6101f4 + (chid * 12));
	414	u32 unkn = nvkm_rd32(device, 0x6101f8 + (chid * 12));
	415
	416	nvkm_error(subdev, "chid %d mthd %04x data %08x %08x %08x\n",
	417	chid, (mthd & 0x0000ffc), data, mthd, unkn);
	418
0ce41e3c	419	if (chid < ARRAY_SIZE(disp->chan)) {
2a7909c0 BS	420	switch (mthd & 0xffc) {
2a7909c0 BS	421	case 0x0080:
0ce41e3c	422	nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
2a7909c0 BS	423	break;
	424	default:
	425	break;
	426	}
	427	}
	428
	429	nvkm_wr32(device, 0x61009c, (1 << chid));
	430	nvkm_wr32(device, 0x6101f0 + (chid * 12), 0x90000000);
	431	}
	432
	433	void
70aa8670	434	gf119_disp_intr(struct nv50_disp *disp)
2a7909c0	435	{
70aa8670	436	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
2a7909c0	437	struct nvkm_device *device = subdev->device;
a1c93078	438	struct nvkm_head *head;
2a7909c0	439	u32 intr = nvkm_rd32(device, 0x610088);
2a7909c0 BS	440
	441	if (intr & 0x00000001) {
	442	u32 stat = nvkm_rd32(device, 0x61008c);
	443	while (stat) {
	444	int chid = __ffs(stat); stat &= ~(1 << chid);
	445	nv50_disp_chan_uevent_send(disp, chid);
	446	nvkm_wr32(device, 0x61008c, 1 << chid);
	447	}
	448	intr &= ~0x00000001;
	449	}
	450
	451	if (intr & 0x00000002) {
	452	u32 stat = nvkm_rd32(device, 0x61009c);
	453	int chid = ffs(stat) - 1;
	454	if (chid >= 0)
fd47877f	455	disp->func->intr_error(disp, chid);
2a7909c0 BS	456	intr &= ~0x00000002;
	457	}
	458
	459	if (intr & 0x00100000) {
	460	u32 stat = nvkm_rd32(device, 0x6100ac);
	461	if (stat & 0x00000007) {
	462	disp->super = (stat & 0x00000007);
3607bfd3	463	queue_work(disp->wq, &disp->supervisor);
2a7909c0 BS	464	nvkm_wr32(device, 0x6100ac, disp->super);
	465	stat &= ~0x00000007;
	466	}
	467
	468	if (stat) {
	469	nvkm_warn(subdev, "intr24 %08x\n", stat);
	470	nvkm_wr32(device, 0x6100ac, stat);
	471	}
	472
	473	intr &= ~0x00100000;
	474	}
	475
a1c93078 BS	476	list_for_each_entry(head, &disp->base.head, head) {
	477	const u32 hoff = head->id * 0x800;
	478	u32 mask = 0x01000000 << head->id;
2a7909c0	479	if (mask & intr) {
a1c93078	480	u32 stat = nvkm_rd32(device, 0x6100bc + hoff);
2a7909c0	481	if (stat & 0x00000001)
a1c93078 BS	482	nvkm_disp_vblank(&disp->base, head->id);
	483	nvkm_mask(device, 0x6100bc + hoff, 0, 0);
	484	nvkm_rd32(device, 0x6100c0 + hoff);
2a7909c0 BS	485	}
	486	}
	487	}
	488
70aa8670 BS	489	int
	490	gf119_disp_new_(const struct nv50_disp_func func, struct nvkm_device device,
	491	int index, struct nvkm_disp **pdisp)
	492	{
	493	u32 heads = nvkm_rd32(device, 0x022448);
	494	return nv50_disp_new_(func, device, index, heads, pdisp);
	495	}
	496
	497	static const struct nv50_disp_func
0ce41e3c	498	gf119_disp = {
70aa8670	499	.intr = gf119_disp_intr,
fd47877f	500	.intr_error = gf119_disp_intr_error,
70aa8670	501	.uevent = &gf119_disp_chan_uevent,
af85389c	502	.super = gf119_disp_super,
0ce41e3c	503	.root = &gf119_disp_root_oclass,
a1c93078	504	.head.new = gf119_head_new,
70aa8670 BS	505	.outp.internal.crt = nv50_dac_output_new,
	506	.outp.internal.tmds = nv50_sor_output_new,
	507	.outp.internal.lvds = nv50_sor_output_new,
	508	.outp.internal.dp = gf119_sor_dp_new,
	509	.dac.nr = 3,
b3c9c022	510	.dac.new = gf119_dac_new,
70aa8670 BS	511	.dac.sense = nv50_dac_sense,
70aa8670 BS	512	.sor.nr = 4,
78f1ad6f	513	.sor.new = gf119_sor_new,
70aa8670 BS	514	.sor.hda_eld = gf119_hda_eld,
70aa8670 BS	515	.sor.hdmi = gf119_hdmi_ctrl,
0ce41e3c BS	516	};
0ce41e3c BS	517
70aa8670 BS	518	int
70aa8670 BS	519	gf119_disp_new(struct nvkm_device device, int index, struct nvkm_disp *pdisp)
2a7909c0	520	{
70aa8670	521	return gf119_disp_new_(&gf119_disp, device, index, pdisp);
2a7909c0	522	}