diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mxm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c | 271 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.c | 191 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mxm/nv50.c | 231 |
5 files changed, 718 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild new file mode 100644 index 000000000000..1a479e050b54 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/Kbuild @@ -0,0 +1,3 @@ +nvkm-y += nvkm/subdev/mxm/base.o +nvkm-y += nvkm/subdev/mxm/mxms.o +nvkm-y += nvkm/subdev/mxm/nv50.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c new file mode 100644 index 000000000000..0ca9dcabb6d3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c @@ -0,0 +1,271 @@ +/* + * Copyright 2011 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 "mxms.h" + +#include <core/device.h> +#include <core/option.h> +#include <subdev/bios.h> +#include <subdev/bios/mxm.h> +#include <subdev/i2c.h> + +static bool +mxm_shadow_rom_fetch(struct nvkm_i2c_port *i2c, u8 addr, + u8 offset, u8 size, u8 *data) +{ + struct i2c_msg msgs[] = { + { .addr = addr, .flags = 0, .len = 1, .buf = &offset }, + { .addr = addr, .flags = I2C_M_RD, .len = size, .buf = data, }, + }; + + return i2c_transfer(&i2c->adapter, msgs, 2) == 2; +} + +static bool +mxm_shadow_rom(struct nvkm_mxm *mxm, u8 version) +{ + struct nvkm_bios *bios = nvkm_bios(mxm); + struct nvkm_i2c *i2c = nvkm_i2c(mxm); + struct nvkm_i2c_port *port = NULL; + u8 i2cidx, mxms[6], addr, size; + + i2cidx = mxm_ddc_map(bios, 1 /* LVDS_DDC */) & 0x0f; + if (i2cidx < 0x0f) + port = i2c->find(i2c, i2cidx); + if (!port) + return false; + + addr = 0x54; + if (!mxm_shadow_rom_fetch(port, addr, 0, 6, mxms)) { + addr = 0x56; + if (!mxm_shadow_rom_fetch(port, addr, 0, 6, mxms)) + return false; + } + + mxm->mxms = mxms; + size = mxms_headerlen(mxm) + mxms_structlen(mxm); + mxm->mxms = kmalloc(size, GFP_KERNEL); + + if (mxm->mxms && + mxm_shadow_rom_fetch(port, addr, 0, size, mxm->mxms)) + return true; + + kfree(mxm->mxms); + mxm->mxms = NULL; + return false; +} + +#if defined(CONFIG_ACPI) +static bool +mxm_shadow_dsm(struct nvkm_mxm *mxm, u8 version) +{ + struct nvkm_device *device = nv_device(mxm); + static char muid[] = { + 0x00, 0xA4, 0x04, 0x40, 0x7D, 0x91, 0xF2, 0x4C, + 0xB8, 0x9C, 0x79, 0xB6, 0x2F, 0xD5, 0x56, 0x65 + }; + u32 mxms_args[] = { 0x00000000 }; + union acpi_object argv4 = { + .buffer.type = ACPI_TYPE_BUFFER, + .buffer.length = sizeof(mxms_args), + .buffer.pointer = (char *)mxms_args, + }; + union acpi_object *obj; + acpi_handle handle; + int rev; + + handle = ACPI_HANDLE(nv_device_base(device)); + if (!handle) + return false; + + /* + * spec says this can be zero to mean "highest revision", but + * of course there's at least one bios out there which fails + * unless you pass in exactly the version it supports.. + */ + rev = (version & 0xf0) << 4 | (version & 0x0f); + obj = acpi_evaluate_dsm(handle, muid, rev, 0x00000010, &argv4); + if (!obj) { + nv_debug(mxm, "DSM MXMS failed\n"); + return false; + } + + if (obj->type == ACPI_TYPE_BUFFER) { + mxm->mxms = kmemdup(obj->buffer.pointer, + obj->buffer.length, GFP_KERNEL); + } else if (obj->type == ACPI_TYPE_INTEGER) { + nv_debug(mxm, "DSM MXMS returned 0x%llx\n", obj->integer.value); + } + + ACPI_FREE(obj); + return mxm->mxms != NULL; +} +#endif + +#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) + +#define WMI_WMMX_GUID "F6CB5C3C-9CAE-4EBD-B577-931EA32A2CC0" + +static u8 +wmi_wmmx_mxmi(struct nvkm_mxm *mxm, u8 version) +{ + u32 mxmi_args[] = { 0x494D584D /* MXMI */, version, 0 }; + struct acpi_buffer args = { sizeof(mxmi_args), mxmi_args }; + struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + + status = wmi_evaluate_method(WMI_WMMX_GUID, 0, 0, &args, &retn); + if (ACPI_FAILURE(status)) { + nv_debug(mxm, "WMMX MXMI returned %d\n", status); + return 0x00; + } + + obj = retn.pointer; + if (obj->type == ACPI_TYPE_INTEGER) { + version = obj->integer.value; + nv_debug(mxm, "WMMX MXMI version %d.%d\n", + (version >> 4), version & 0x0f); + } else { + version = 0; + nv_debug(mxm, "WMMX MXMI returned non-integer\n"); + } + + kfree(obj); + return version; +} + +static bool +mxm_shadow_wmi(struct nvkm_mxm *mxm, u8 version) +{ + u32 mxms_args[] = { 0x534D584D /* MXMS */, version, 0 }; + struct acpi_buffer args = { sizeof(mxms_args), mxms_args }; + struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + + if (!wmi_has_guid(WMI_WMMX_GUID)) { + nv_debug(mxm, "WMMX GUID not found\n"); + return false; + } + + mxms_args[1] = wmi_wmmx_mxmi(mxm, 0x00); + if (!mxms_args[1]) + mxms_args[1] = wmi_wmmx_mxmi(mxm, version); + if (!mxms_args[1]) + return false; + + status = wmi_evaluate_method(WMI_WMMX_GUID, 0, 0, &args, &retn); + if (ACPI_FAILURE(status)) { + nv_debug(mxm, "WMMX MXMS returned %d\n", status); + return false; + } + + obj = retn.pointer; + if (obj->type == ACPI_TYPE_BUFFER) { + mxm->mxms = kmemdup(obj->buffer.pointer, + obj->buffer.length, GFP_KERNEL); + } + + kfree(obj); + return mxm->mxms != NULL; +} +#endif + +static struct mxm_shadow_h { + const char *name; + bool (*exec)(struct nvkm_mxm *, u8 version); +} _mxm_shadow[] = { + { "ROM", mxm_shadow_rom }, +#if defined(CONFIG_ACPI) + { "DSM", mxm_shadow_dsm }, +#endif +#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) + { "WMI", mxm_shadow_wmi }, +#endif + {} +}; + +static int +mxm_shadow(struct nvkm_mxm *mxm, u8 version) +{ + struct mxm_shadow_h *shadow = _mxm_shadow; + do { + nv_debug(mxm, "checking %s\n", shadow->name); + if (shadow->exec(mxm, version)) { + if (mxms_valid(mxm)) + return 0; + kfree(mxm->mxms); + mxm->mxms = NULL; + } + } while ((++shadow)->name); + return -ENOENT; +} + +int +nvkm_mxm_create_(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, int length, void **pobject) +{ + struct nvkm_device *device = nv_device(parent); + struct nvkm_bios *bios = nvkm_bios(device); + struct nvkm_mxm *mxm; + u8 ver, len; + u16 data; + int ret; + + ret = nvkm_subdev_create_(parent, engine, oclass, 0, "MXM", "mxm", + length, pobject); + mxm = *pobject; + if (ret) + return ret; + + data = mxm_table(bios, &ver, &len); + if (!data || !(ver = nv_ro08(bios, data))) { + nv_debug(mxm, "no VBIOS data, nothing to do\n"); + return 0; + } + + nv_info(mxm, "BIOS version %d.%d\n", ver >> 4, ver & 0x0f); + + if (mxm_shadow(mxm, ver)) { + nv_info(mxm, "failed to locate valid SIS\n"); +#if 0 + /* we should, perhaps, fall back to some kind of limited + * mode here if the x86 vbios hasn't already done the + * work for us (so we prevent loading with completely + * whacked vbios tables). + */ + return -EINVAL; +#else + return 0; +#endif + } + + nv_info(mxm, "MXMS Version %d.%d\n", + mxms_version(mxm) >> 8, mxms_version(mxm) & 0xff); + mxms_foreach(mxm, 0, NULL, NULL); + + if (nvkm_boolopt(device->cfgopt, "NvMXMDCB", true)) + mxm->action |= MXM_SANITISE_DCB; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.c new file mode 100644 index 000000000000..a9b1d63fed58 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.c @@ -0,0 +1,191 @@ +/* + * 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 "mxms.h" + +#define ROM16(x) le16_to_cpu(*(u16 *)&(x)) +#define ROM32(x) le32_to_cpu(*(u32 *)&(x)) + +static u8 * +mxms_data(struct nvkm_mxm *mxm) +{ + return mxm->mxms; + +} + +u16 +mxms_version(struct nvkm_mxm *mxm) +{ + u8 *mxms = mxms_data(mxm); + u16 version = (mxms[4] << 8) | mxms[5]; + switch (version ) { + case 0x0200: + case 0x0201: + case 0x0300: + return version; + default: + break; + } + + nv_debug(mxm, "unknown version %d.%d\n", mxms[4], mxms[5]); + return 0x0000; +} + +u16 +mxms_headerlen(struct nvkm_mxm *mxm) +{ + return 8; +} + +u16 +mxms_structlen(struct nvkm_mxm *mxm) +{ + return *(u16 *)&mxms_data(mxm)[6]; +} + +bool +mxms_checksum(struct nvkm_mxm *mxm) +{ + u16 size = mxms_headerlen(mxm) + mxms_structlen(mxm); + u8 *mxms = mxms_data(mxm), sum = 0; + while (size--) + sum += *mxms++; + if (sum) { + nv_debug(mxm, "checksum invalid\n"); + return false; + } + return true; +} + +bool +mxms_valid(struct nvkm_mxm *mxm) +{ + u8 *mxms = mxms_data(mxm); + if (*(u32 *)mxms != 0x5f4d584d) { + nv_debug(mxm, "signature invalid\n"); + return false; + } + + if (!mxms_version(mxm) || !mxms_checksum(mxm)) + return false; + + return true; +} + +bool +mxms_foreach(struct nvkm_mxm *mxm, u8 types, + bool (*exec)(struct nvkm_mxm *, u8 *, void *), void *info) +{ + u8 *mxms = mxms_data(mxm); + u8 *desc = mxms + mxms_headerlen(mxm); + u8 *fini = desc + mxms_structlen(mxm) - 1; + while (desc < fini) { + u8 type = desc[0] & 0x0f; + u8 headerlen = 0; + u8 recordlen = 0; + u8 entries = 0; + + switch (type) { + case 0: /* Output Device Structure */ + if (mxms_version(mxm) >= 0x0300) + headerlen = 8; + else + headerlen = 6; + break; + case 1: /* System Cooling Capability Structure */ + case 2: /* Thermal Structure */ + case 3: /* Input Power Structure */ + headerlen = 4; + break; + case 4: /* GPIO Device Structure */ + headerlen = 4; + recordlen = 2; + entries = (ROM32(desc[0]) & 0x01f00000) >> 20; + break; + case 5: /* Vendor Specific Structure */ + headerlen = 8; + break; + case 6: /* Backlight Control Structure */ + if (mxms_version(mxm) >= 0x0300) { + headerlen = 4; + recordlen = 8; + entries = (desc[1] & 0xf0) >> 4; + } else { + headerlen = 8; + } + break; + case 7: /* Fan Control Structure */ + headerlen = 8; + recordlen = 4; + entries = desc[1] & 0x07; + break; + default: + nv_debug(mxm, "unknown descriptor type %d\n", type); + return false; + } + + if (nv_subdev(mxm)->debug >= NV_DBG_DEBUG && (exec == NULL)) { + static const char * mxms_desc_name[] = { + "ODS", "SCCS", "TS", "IPS", + "GSD", "VSS", "BCS", "FCS", + }; + u8 *dump = desc; + int i, j; + + nv_debug(mxm, "%4s: ", mxms_desc_name[type]); + for (j = headerlen - 1; j >= 0; j--) + pr_cont("%02x", dump[j]); + pr_cont("\n"); + dump += headerlen; + + for (i = 0; i < entries; i++, dump += recordlen) { + nv_debug(mxm, " "); + for (j = recordlen - 1; j >= 0; j--) + pr_cont("%02x", dump[j]); + pr_cont("\n"); + } + } + + if (types & (1 << type)) { + if (!exec(mxm, desc, info)) + return false; + } + + desc += headerlen + (entries * recordlen); + } + + return true; +} + +void +mxms_output_device(struct nvkm_mxm *mxm, u8 *pdata, struct mxms_odev *desc) +{ + u64 data = ROM32(pdata[0]); + if (mxms_version(mxm) >= 0x0300) + data |= (u64)ROM16(pdata[4]) << 32; + + desc->outp_type = (data & 0x00000000000000f0ULL) >> 4; + desc->ddc_port = (data & 0x0000000000000f00ULL) >> 8; + desc->conn_type = (data & 0x000000000001f000ULL) >> 12; + desc->dig_conn = (data & 0x0000000000780000ULL) >> 19; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h new file mode 100644 index 000000000000..4ef804012d06 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h @@ -0,0 +1,22 @@ +#ifndef __NVMXM_MXMS_H__ +#define __NVMXM_MXMS_H__ +#include <subdev/mxm.h> + +struct mxms_odev { + u8 outp_type; + u8 conn_type; + u8 ddc_port; + u8 dig_conn; +}; + +void mxms_output_device(struct nvkm_mxm *, u8 *, struct mxms_odev *); + +u16 mxms_version(struct nvkm_mxm *); +u16 mxms_headerlen(struct nvkm_mxm *); +u16 mxms_structlen(struct nvkm_mxm *); +bool mxms_checksum(struct nvkm_mxm *); +bool mxms_valid(struct nvkm_mxm *); + +bool mxms_foreach(struct nvkm_mxm *, u8, + bool (*)(struct nvkm_mxm *, u8 *, void *), void *); +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/nv50.c new file mode 100644 index 000000000000..42cac13ca629 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/nv50.c @@ -0,0 +1,231 @@ +/* + * Copyright 2011 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 "mxms.h" + +#include <subdev/bios.h> +#include <subdev/bios/conn.h> +#include <subdev/bios/dcb.h> +#include <subdev/bios/mxm.h> + +struct nv50_mxm_priv { + struct nvkm_mxm base; +}; + +struct context { + u32 *outp; + struct mxms_odev desc; +}; + +static bool +mxm_match_tmds_partner(struct nvkm_mxm *mxm, u8 *data, void *info) +{ + struct context *ctx = info; + struct mxms_odev desc; + + mxms_output_device(mxm, data, &desc); + if (desc.outp_type == 2 && + desc.dig_conn == ctx->desc.dig_conn) + return false; + return true; +} + +static bool +mxm_match_dcb(struct nvkm_mxm *mxm, u8 *data, void *info) +{ + struct nvkm_bios *bios = nvkm_bios(mxm); + struct context *ctx = info; + u64 desc = *(u64 *)data; + + mxms_output_device(mxm, data, &ctx->desc); + + /* match dcb encoder type to mxm-ods device type */ + if ((ctx->outp[0] & 0x0000000f) != ctx->desc.outp_type) + return true; + + /* digital output, have some extra stuff to match here, there's a + * table in the vbios that provides a mapping from the mxm digital + * connection enum values to SOR/link + */ + if ((desc & 0x00000000000000f0) >= 0x20) { + /* check against sor index */ + u8 link = mxm_sor_map(bios, ctx->desc.dig_conn); + if ((ctx->outp[0] & 0x0f000000) != (link & 0x0f) << 24) + return true; + + /* check dcb entry has a compatible link field */ + link = (link & 0x30) >> 4; + if ((link & ((ctx->outp[1] & 0x00000030) >> 4)) != link) + return true; + } + + /* mark this descriptor accounted for by setting invalid device type, + * except of course some manufactures don't follow specs properly and + * we need to avoid killing off the TMDS function on DP connectors + * if MXM-SIS is missing an entry for it. + */ + data[0] &= ~0xf0; + if (ctx->desc.outp_type == 6 && ctx->desc.conn_type == 6 && + mxms_foreach(mxm, 0x01, mxm_match_tmds_partner, ctx)) { + data[0] |= 0x20; /* modify descriptor to match TMDS now */ + } else { + data[0] |= 0xf0; + } + + return false; +} + +static int +mxm_dcb_sanitise_entry(struct nvkm_bios *bios, void *data, int idx, u16 pdcb) +{ + struct nvkm_mxm *mxm = data; + struct context ctx = { .outp = (u32 *)(bios->data + pdcb) }; + u8 type, i2cidx, link, ver, len; + u8 *conn; + + /* look for an output device structure that matches this dcb entry. + * if one isn't found, disable it. + */ + if (mxms_foreach(mxm, 0x01, mxm_match_dcb, &ctx)) { + nv_debug(mxm, "disable %d: 0x%08x 0x%08x\n", + idx, ctx.outp[0], ctx.outp[1]); + ctx.outp[0] |= 0x0000000f; + return 0; + } + + /* modify the output's ddc/aux port, there's a pointer to a table + * with the mapping from mxm ddc/aux port to dcb i2c_index in the + * vbios mxm table + */ + i2cidx = mxm_ddc_map(bios, ctx.desc.ddc_port); + if ((ctx.outp[0] & 0x0000000f) != DCB_OUTPUT_DP) + i2cidx = (i2cidx & 0x0f) << 4; + else + i2cidx = (i2cidx & 0xf0); + + if (i2cidx != 0xf0) { + ctx.outp[0] &= ~0x000000f0; + ctx.outp[0] |= i2cidx; + } + + /* override dcb sorconf.link, based on what mxm data says */ + switch (ctx.desc.outp_type) { + case 0x00: /* Analog CRT */ + case 0x01: /* Analog TV/HDTV */ + break; + default: + link = mxm_sor_map(bios, ctx.desc.dig_conn) & 0x30; + ctx.outp[1] &= ~0x00000030; + ctx.outp[1] |= link; + break; + } + + /* we may need to fixup various other vbios tables based on what + * the descriptor says the connector type should be. + * + * in a lot of cases, the vbios tables will claim DVI-I is possible, + * and the mxm data says the connector is really HDMI. another + * common example is DP->eDP. + */ + conn = bios->data; + conn += nvbios_connEe(bios, (ctx.outp[0] & 0x0000f000) >> 12, &ver, &len); + type = conn[0]; + switch (ctx.desc.conn_type) { + case 0x01: /* LVDS */ + ctx.outp[1] |= 0x00000004; /* use_power_scripts */ + /* XXX: modify default link width in LVDS table */ + break; + case 0x02: /* HDMI */ + type = DCB_CONNECTOR_HDMI_1; + break; + case 0x03: /* DVI-D */ + type = DCB_CONNECTOR_DVI_D; + break; + case 0x0e: /* eDP, falls through to DPint */ + ctx.outp[1] |= 0x00010000; + case 0x07: /* DP internal, wtf is this?? HP8670w */ + ctx.outp[1] |= 0x00000004; /* use_power_scripts? */ + type = DCB_CONNECTOR_eDP; + break; + default: + break; + } + + if (mxms_version(mxm) >= 0x0300) + conn[0] = type; + + return 0; +} + +static bool +mxm_show_unmatched(struct nvkm_mxm *mxm, u8 *data, void *info) +{ + u64 desc = *(u64 *)data; + if ((desc & 0xf0) != 0xf0) + nv_info(mxm, "unmatched output device 0x%016llx\n", desc); + return true; +} + +static void +mxm_dcb_sanitise(struct nvkm_mxm *mxm) +{ + struct nvkm_bios *bios = nvkm_bios(mxm); + u8 ver, hdr, cnt, len; + u16 dcb = dcb_table(bios, &ver, &hdr, &cnt, &len); + if (dcb == 0x0000 || ver != 0x40) { + nv_debug(mxm, "unsupported DCB version\n"); + return; + } + + dcb_outp_foreach(bios, mxm, mxm_dcb_sanitise_entry); + mxms_foreach(mxm, 0x01, mxm_show_unmatched, NULL); +} + +static int +nv50_mxm_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_mxm_priv *priv; + int ret; + + ret = nvkm_mxm_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + if (priv->base.action & MXM_SANITISE_DCB) + mxm_dcb_sanitise(&priv->base); + return 0; +} + +struct nvkm_oclass +nv50_mxm_oclass = { + .handle = NV_SUBDEV(MXM, 0x50), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_mxm_ctor, + .dtor = _nvkm_mxm_dtor, + .init = _nvkm_mxm_init, + .fini = _nvkm_mxm_fini, + }, +}; |