nouveau-y += core/subdev/bios/gpio.o
nouveau-y += core/subdev/bios/i2c.o
nouveau-y += core/subdev/bios/init.o
+nouveau-y += core/subdev/bios/mxm.o
nouveau-y += core/subdev/bios/pll.o
nouveau-y += core/subdev/clock/nv04.o
nouveau-y += core/subdev/clock/nv40.o
nouveau-y += core/subdev/mc/nv50.o
nouveau-y += core/subdev/mc/nv98.o
nouveau-y += core/subdev/mc/nvc0.o
+nouveau-y += core/subdev/mxm/base.o
+nouveau-y += core/subdev/mxm/mxms.o
+nouveau-y += core/subdev/mxm/nv50.o
nouveau-y += core/subdev/timer/base.o
nouveau-y += core/subdev/timer/nv04.o
nouveau-y += core/subdev/vm/base.o
nouveau-y += nouveau_prime.o
# drm/kms/bios
-nouveau-y += nouveau_mxm.o nouveau_bios.o
+nouveau-y += nouveau_bios.o
# drm/kms/common
nouveau-y += nouveau_display.o nouveau_connector.o
--- /dev/null
+#ifndef __NVBIOS_MXM_H__
+#define __NVBIOS_MXM_H__
+
+u16 mxm_table(struct nouveau_bios *, u8 *ver, u8 *hdr);
+
+u8 mxm_sor_map(struct nouveau_bios *, u8 conn);
+u8 mxm_ddc_map(struct nouveau_bios *, u8 port);
+
+#endif
--- /dev/null
+#ifndef __NOUVEAU_MXM_H__
+#define __NOUVEAU_MXM_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+
+#define MXM_SANITISE_DCB 0x00000001
+
+struct nouveau_mxm {
+ struct nouveau_subdev base;
+ u32 action;
+ u8 *mxms;
+};
+
+static inline struct nouveau_mxm *
+nouveau_mxm(void *obj)
+{
+ return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_MXM];
+}
+
+#define nouveau_mxm_create(p,e,o,d) \
+ nouveau_mxm_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_mxm_init(p) \
+ nouveau_subdev_init(&(p)->base)
+#define nouveau_mxm_fini(p,s) \
+ nouveau_subdev_fini(&(p)->base, (s))
+int nouveau_mxm_create_(struct nouveau_object *, struct nouveau_object *,
+ struct nouveau_oclass *, int, void **);
+void nouveau_mxm_destroy(struct nouveau_mxm *);
+
+#define _nouveau_mxm_dtor _nouveau_subdev_dtor
+#define _nouveau_mxm_init _nouveau_subdev_init
+#define _nouveau_mxm_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv50_mxm_oclass;
+
+#endif
#include <asm/unaligned.h>
-#include <asm/unaligned.h>
-
static inline int
ffsll(u64 mask)
{
--- /dev/null
+/*
+ * 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 <subdev/bios.h>
+#include <subdev/bios/bit.h>
+#include <subdev/bios/mxm.h>
+
+u16
+mxm_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr)
+{
+ struct bit_entry x;
+
+ if (bit_entry(bios, 'x', &x)) {
+ nv_debug(bios, "BIT 'x' table not present\n");
+ return 0x0000;
+ }
+
+ *ver = x.version;
+ *hdr = x.length;
+ if (*ver != 1 || *hdr < 3) {
+ nv_warn(bios, "BIT 'x' table %d/%d unknown\n", *ver, *hdr);
+ return 0x0000;
+ }
+
+ return x.offset;
+}
+
+/* These map MXM v2.x digital connection values to the appropriate SOR/link,
+ * hopefully they're correct for all boards within the same chipset...
+ *
+ * MXM v3.x VBIOS are nicer and provide pointers to these tables.
+ */
+static u8 nv84_sor_map[16] = {
+ 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static u8 nv92_sor_map[16] = {
+ 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31,
+ 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static u8 nv94_sor_map[16] = {
+ 0x00, 0x14, 0x24, 0x11, 0x34, 0x31, 0x11, 0x31,
+ 0x11, 0x31, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static u8 nv98_sor_map[16] = {
+ 0x00, 0x14, 0x12, 0x11, 0x00, 0x31, 0x11, 0x31,
+ 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+u8
+mxm_sor_map(struct nouveau_bios *bios, u8 conn)
+{
+ u8 ver, hdr;
+ u16 mxm = mxm_table(bios, &ver, &hdr);
+ if (mxm && hdr >= 6) {
+ u16 map = nv_ro16(bios, mxm + 4);
+ if (map) {
+ ver = nv_ro08(bios, map);
+ if (ver == 0x10) {
+ if (conn < nv_ro08(bios, map + 3)) {
+ map += nv_ro08(bios, map + 1);
+ map += conn;
+ return nv_ro08(bios, map);
+ }
+
+ return 0x00;
+ }
+
+ nv_warn(bios, "unknown sor map v%02x\n", ver);
+ }
+ }
+
+ if (bios->version.chip == 0x84 || bios->version.chip == 0x86)
+ return nv84_sor_map[conn];
+ if (bios->version.chip == 0x92)
+ return nv92_sor_map[conn];
+ if (bios->version.chip == 0x94 || bios->version.chip == 0x96)
+ return nv94_sor_map[conn];
+ if (bios->version.chip == 0x98)
+ return nv98_sor_map[conn];
+
+ nv_warn(bios, "missing sor map\n");
+ return 0x00;
+}
+
+u8
+mxm_ddc_map(struct nouveau_bios *bios, u8 port)
+{
+ u8 ver, hdr;
+ u16 mxm = mxm_table(bios, &ver, &hdr);
+ if (mxm && hdr >= 8) {
+ u16 map = nv_ro16(bios, mxm + 6);
+ if (map) {
+ ver = nv_ro08(bios, map);
+ if (ver == 0x10) {
+ if (port < nv_ro08(bios, map + 3)) {
+ map += nv_ro08(bios, map + 1);
+ map += port;
+ return nv_ro08(bios, map);
+ }
+
+ return 0x00;
+ }
+
+ nv_warn(bios, "unknown ddc map v%02x\n", ver);
+ }
+ }
+
+ /* v2.x: directly write port as dcb i2cidx */
+ return (port << 4) | port;
+}
#include <subdev/gpio.h>
#include <subdev/i2c.h>
#include <subdev/clock.h>
+#include <subdev/mxm.h>
#include <subdev/devinit.h>
#include <subdev/mc.h>
#include <subdev/timer.h>
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv50_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv50_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
#include <subdev/gpio.h>
#include <subdev/i2c.h>
#include <subdev/clock.h>
+#include <subdev/mxm.h>
#include <subdev/devinit.h>
#include <subdev/mc.h>
#include <subdev/timer.h>
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nvd0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
#include <subdev/gpio.h>
#include <subdev/i2c.h>
#include <subdev/clock.h>
+#include <subdev/mxm.h>
#include <subdev/devinit.h>
#include <subdev/mc.h>
#include <subdev/timer.h>
device->oclass[NVDEV_SUBDEV_GPIO ] = &nvd0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
device->oclass[NVDEV_SUBDEV_GPIO ] = &nvd0_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
+ device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass;
--- /dev/null
+/*
+ * 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 <core/option.h>
+
+#include <subdev/i2c.h>
+#include <subdev/mxm.h>
+#include <subdev/bios.h>
+#include <subdev/bios/mxm.h>
+
+#include "mxms.h"
+
+static bool
+mxm_shadow_rom_fetch(struct nouveau_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 nouveau_mxm *mxm, u8 version)
+{
+ struct nouveau_bios *bios = nouveau_bios(mxm);
+ struct nouveau_i2c *i2c = nouveau_i2c(mxm);
+ struct nouveau_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 nouveau_mxm *mxm, u8 version)
+{
+ struct nouveau_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 args[4] = {
+ /* _DSM MUID */
+ { .buffer.type = 3,
+ .buffer.length = sizeof(muid),
+ .buffer.pointer = muid,
+ },
+ /* 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..
+ */
+ { .integer.type = ACPI_TYPE_INTEGER,
+ .integer.value = (version & 0xf0) << 4 | (version & 0x0f),
+ },
+ /* MXMS function */
+ { .integer.type = ACPI_TYPE_INTEGER,
+ .integer.value = 0x00000010,
+ },
+ /* Pointer to MXMS arguments */
+ { .buffer.type = ACPI_TYPE_BUFFER,
+ .buffer.length = sizeof(mxms_args),
+ .buffer.pointer = (char *)mxms_args,
+ },
+ };
+ struct acpi_object_list list = { ARRAY_SIZE(args), args };
+ struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ acpi_handle handle;
+ int ret;
+
+ handle = DEVICE_ACPI_HANDLE(&device->pdev->dev);
+ if (!handle)
+ return false;
+
+ ret = acpi_evaluate_object(handle, "_DSM", &list, &retn);
+ if (ret) {
+ nv_debug(mxm, "DSM MXMS failed: %d\n", ret);
+ return false;
+ }
+
+ obj = retn.pointer;
+ 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);
+ }
+
+ kfree(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 nouveau_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 nouveau_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
+
+struct mxm_shadow_h {
+ const char *name;
+ bool (*exec)(struct nouveau_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 nouveau_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
+nouveau_mxm_create_(struct nouveau_object *parent,
+ struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, int length, void **pobject)
+{
+ struct nouveau_device *device = nv_device(parent);
+ struct nouveau_bios *bios = nouveau_bios(device);
+ struct nouveau_mxm *mxm;
+ u8 ver, len;
+ u16 data;
+ int ret;
+
+ ret = nouveau_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_info(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 (nouveau_boolopt(device->cfgopt, "NvMXMDCB", true))
+ mxm->action |= MXM_SANITISE_DCB;
+ return 0;
+}
--- /dev/null
+/*
+ * 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 <subdev/mxm.h>
+#include "mxms.h"
+
+#define ROM16(x) le16_to_cpu(*(u16 *)&(x))
+#define ROM32(x) le32_to_cpu(*(u32 *)&(x))
+
+static u8 *
+mxms_data(struct nouveau_mxm *mxm)
+{
+ return mxm->mxms;
+
+}
+
+u16
+mxms_version(struct nouveau_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 nouveau_mxm *mxm)
+{
+ return 8;
+}
+
+u16
+mxms_structlen(struct nouveau_mxm *mxm)
+{
+ return *(u16 *)&mxms_data(mxm)[6];
+}
+
+bool
+mxms_checksum(struct nouveau_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 nouveau_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 nouveau_mxm *mxm, u8 types,
+ bool (*exec)(struct nouveau_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--)
+ printk("%02x", dump[j]);
+ printk("\n");
+ dump += headerlen;
+
+ for (i = 0; i < entries; i++, dump += recordlen) {
+ nv_debug(mxm, " ");
+ for (j = recordlen - 1; j >= 0; j--)
+ printk("%02x", dump[j]);
+ printk("\n");
+ }
+ }
+
+ if (types & (1 << type)) {
+ if (!exec(mxm, desc, info))
+ return false;
+ }
+
+ desc += headerlen + (entries * recordlen);
+ }
+
+ return true;
+}
+
+void
+mxms_output_device(struct nouveau_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;
+}
--- /dev/null
+#ifndef __NVMXM_MXMS_H__
+#define __NVMXM_MXMS_H__
+
+struct mxms_odev {
+ u8 outp_type;
+ u8 conn_type;
+ u8 ddc_port;
+ u8 dig_conn;
+};
+
+void mxms_output_device(struct nouveau_mxm *, u8 *, struct mxms_odev *);
+
+u16 mxms_version(struct nouveau_mxm *);
+u16 mxms_headerlen(struct nouveau_mxm *);
+u16 mxms_structlen(struct nouveau_mxm *);
+bool mxms_checksum(struct nouveau_mxm *);
+bool mxms_valid(struct nouveau_mxm *);
+
+bool mxms_foreach(struct nouveau_mxm *, u8,
+ bool (*)(struct nouveau_mxm *, u8 *, void *), void *);
+
+#endif
--- /dev/null
+/*
+ * 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 <subdev/mxm.h>
+#include <subdev/bios.h>
+#include <subdev/bios/conn.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/bios/mxm.h>
+
+#include "mxms.h"
+
+struct nv50_mxm_priv {
+ struct nouveau_mxm base;
+};
+
+struct context {
+ u32 *outp;
+ struct mxms_odev desc;
+};
+
+static bool
+mxm_match_tmds_partner(struct nouveau_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 nouveau_mxm *mxm, u8 *data, void *info)
+{
+ struct nouveau_bios *bios = nouveau_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 nouveau_bios *bios, void *data, int idx, u16 pdcb)
+{
+ struct nouveau_mxm *mxm = nouveau_mxm(bios);
+ 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 += dcb_conn(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 nouveau_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 nouveau_mxm *mxm)
+{
+ struct nouveau_bios *bios = nouveau_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, NULL, mxm_dcb_sanitise_entry);
+ mxms_foreach(mxm, 0x01, mxm_show_unmatched, NULL);
+}
+
+static int
+nv50_mxm_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv50_mxm_priv *priv;
+ int ret;
+
+ ret = nouveau_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 nouveau_oclass
+nv50_mxm_oclass = {
+ .handle = NV_SUBDEV(MXM, 0x50),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv50_mxm_ctor,
+ .dtor = _nouveau_mxm_dtor,
+ .init = _nouveau_mxm_init,
+ .fini = _nouveau_mxm_fini,
+ },
+};
if (ret)
return ret;
- ret = nouveau_mxm_init(dev);
- if (ret)
- return ret;
-
ret = parse_dcb_table(dev, bios);
if (ret)
return ret;
void
nouveau_bios_takedown(struct drm_device *dev)
{
- nouveau_mxm_fini(dev);
}
int bit_table(struct drm_device *, u8 id, struct bit_entry *);
-enum dcb_connector_type {
- DCB_CONNECTOR_VGA = 0x00,
- DCB_CONNECTOR_TV_0 = 0x10,
- DCB_CONNECTOR_TV_1 = 0x11,
- DCB_CONNECTOR_TV_3 = 0x13,
- DCB_CONNECTOR_DVI_I = 0x30,
- DCB_CONNECTOR_DVI_D = 0x31,
- DCB_CONNECTOR_DMS59_0 = 0x38,
- DCB_CONNECTOR_DMS59_1 = 0x39,
- DCB_CONNECTOR_LVDS = 0x40,
- DCB_CONNECTOR_LVDS_SPWG = 0x41,
- DCB_CONNECTOR_DP = 0x46,
- DCB_CONNECTOR_eDP = 0x47,
- DCB_CONNECTOR_HDMI_0 = 0x60,
- DCB_CONNECTOR_HDMI_1 = 0x61,
- DCB_CONNECTOR_DMS59_DP0 = 0x64,
- DCB_CONNECTOR_DMS59_DP1 = 0x65,
- DCB_CONNECTOR_NONE = 0xff
-};
-
#include <subdev/bios/dcb.h>
+#include <subdev/bios/conn.h>
struct dcb_table {
uint8_t version;
enum LVDS_script, int pxclk);
bool bios_encoder_match(struct dcb_output *, u32 hash);
-/* nouveau_mxm.c */
-int nouveau_mxm_init(struct drm_device *dev);
-void nouveau_mxm_fini(struct drm_device *dev);
-
/* nouveau_ttm.c */
int nouveau_ttm_global_init(struct drm_nouveau_private *);
void nouveau_ttm_global_release(struct drm_nouveau_private *);
+++ /dev/null
-/*
- * 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 <linux/acpi.h>
-
-#include "drmP.h"
-#include "nouveau_drv.h"
-
-#define MXM_DBG(dev, fmt, args...) NV_DEBUG((dev), "MXM: " fmt, ##args)
-#define MXM_MSG(dev, fmt, args...) NV_INFO((dev), "MXM: " fmt, ##args)
-
-static u8 *
-mxms_data(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- return dev_priv->mxms;
-
-}
-
-static u16
-mxms_version(struct drm_device *dev)
-{
- u8 *mxms = mxms_data(dev);
- u16 version = (mxms[4] << 8) | mxms[5];
- switch (version ) {
- case 0x0200:
- case 0x0201:
- case 0x0300:
- return version;
- default:
- break;
- }
-
- MXM_DBG(dev, "unknown version %d.%d\n", mxms[4], mxms[5]);
- return 0x0000;
-}
-
-static u16
-mxms_headerlen(struct drm_device *dev)
-{
- return 8;
-}
-
-static u16
-mxms_structlen(struct drm_device *dev)
-{
- return *(u16 *)&mxms_data(dev)[6];
-}
-
-static bool
-mxms_checksum(struct drm_device *dev)
-{
- u16 size = mxms_headerlen(dev) + mxms_structlen(dev);
- u8 *mxms = mxms_data(dev), sum = 0;
- while (size--)
- sum += *mxms++;
- if (sum) {
- MXM_DBG(dev, "checksum invalid\n");
- return false;
- }
- return true;
-}
-
-static bool
-mxms_valid(struct drm_device *dev)
-{
- u8 *mxms = mxms_data(dev);
- if (*(u32 *)mxms != 0x5f4d584d) {
- MXM_DBG(dev, "signature invalid\n");
- return false;
- }
-
- if (!mxms_version(dev) || !mxms_checksum(dev))
- return false;
-
- return true;
-}
-
-static bool
-mxms_foreach(struct drm_device *dev, u8 types,
- bool (*exec)(struct drm_device *, u8 *, void *), void *info)
-{
- u8 *mxms = mxms_data(dev);
- u8 *desc = mxms + mxms_headerlen(dev);
- u8 *fini = desc + mxms_structlen(dev) - 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(dev) >= 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(dev) >= 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:
- MXM_DBG(dev, "unknown descriptor type %d\n", type);
- return false;
- }
-
- if ((drm_debug & DRM_UT_DRIVER) && (exec == NULL)) {
- static const char * mxms_desc_name[] = {
- "ODS", "SCCS", "TS", "IPS",
- "GSD", "VSS", "BCS", "FCS",
- };
- u8 *dump = desc;
- int i, j;
-
- MXM_DBG(dev, "%4s: ", mxms_desc_name[type]);
- for (j = headerlen - 1; j >= 0; j--)
- printk("%02x", dump[j]);
- printk("\n");
- dump += headerlen;
-
- for (i = 0; i < entries; i++, dump += recordlen) {
- MXM_DBG(dev, " ");
- for (j = recordlen - 1; j >= 0; j--)
- printk("%02x", dump[j]);
- printk("\n");
- }
- }
-
- if (types & (1 << type)) {
- if (!exec(dev, desc, info))
- return false;
- }
-
- desc += headerlen + (entries * recordlen);
- }
-
- return true;
-}
-
-static u8 *
-mxm_table(struct drm_device *dev, u8 *size)
-{
- struct bit_entry x;
-
- if (bit_table(dev, 'x', &x)) {
- MXM_DBG(dev, "BIT 'x' table not present\n");
- return NULL;
- }
-
- if (x.version != 1 || x.length < 3) {
- MXM_MSG(dev, "BIT x table %d/%d unknown\n",
- x.version, x.length);
- return NULL;
- }
-
- *size = x.length;
- return x.data;
-}
-
-/* These map MXM v2.x digital connection values to the appropriate SOR/link,
- * hopefully they're correct for all boards within the same chipset...
- *
- * MXM v3.x VBIOS are nicer and provide pointers to these tables.
- */
-static u8 nv84_sor_map[16] = {
- 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static u8 nv92_sor_map[16] = {
- 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31,
- 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static u8 nv94_sor_map[16] = {
- 0x00, 0x14, 0x24, 0x11, 0x34, 0x31, 0x11, 0x31,
- 0x11, 0x31, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static u8 nv96_sor_map[16] = {
- 0x00, 0x14, 0x24, 0x00, 0x34, 0x00, 0x11, 0x31,
- 0x11, 0x31, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static u8 nv98_sor_map[16] = {
- 0x00, 0x14, 0x12, 0x11, 0x00, 0x31, 0x11, 0x31,
- 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static u8
-mxm_sor_map(struct drm_device *dev, u8 conn)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- u8 len, *mxm = mxm_table(dev, &len);
- if (mxm && len >= 6) {
- u8 *map = ROMPTR(dev, mxm[4]);
- if (map) {
- if (map[0] == 0x10) {
- if (conn < map[3])
- return map[map[1] + conn];
- return 0x00;
- }
-
- MXM_MSG(dev, "unknown sor map 0x%02x\n", map[0]);
- }
- }
-
- if (dev_priv->chipset == 0x84 || dev_priv->chipset == 0x86)
- return nv84_sor_map[conn];
- if (dev_priv->chipset == 0x92)
- return nv92_sor_map[conn];
- if (dev_priv->chipset == 0x94)
- return nv94_sor_map[conn];
- if (dev_priv->chipset == 0x96)
- return nv96_sor_map[conn];
- if (dev_priv->chipset == 0x98)
- return nv98_sor_map[conn];
-
- MXM_MSG(dev, "missing sor map\n");
- return 0x00;
-}
-
-static u8
-mxm_ddc_map(struct drm_device *dev, u8 port)
-{
- u8 len, *mxm = mxm_table(dev, &len);
- if (mxm && len >= 8) {
- u8 *map = ROMPTR(dev, mxm[6]);
- if (map) {
- if (map[0] == 0x10) {
- if (port < map[3])
- return map[map[1] + port];
- return 0x00;
- }
-
- MXM_MSG(dev, "unknown ddc map 0x%02x\n", map[0]);
- }
- }
-
- /* v2.x: directly write port as dcb i2cidx */
- return (port << 4) | port;
-}
-
-struct mxms_odev {
- u8 outp_type;
- u8 conn_type;
- u8 ddc_port;
- u8 dig_conn;
-};
-
-static void
-mxms_output_device(struct drm_device *dev, u8 *pdata, struct mxms_odev *desc)
-{
- u64 data = ROM32(pdata[0]);
- if (mxms_version(dev) >= 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;
-}
-
-struct context {
- u32 *outp;
- struct mxms_odev desc;
-};
-
-static bool
-mxm_match_tmds_partner(struct drm_device *dev, u8 *data, void *info)
-{
- struct context *ctx = info;
- struct mxms_odev desc;
-
- mxms_output_device(dev, data, &desc);
- if (desc.outp_type == 2 &&
- desc.dig_conn == ctx->desc.dig_conn)
- return false;
- return true;
-}
-
-static bool
-mxm_match_dcb(struct drm_device *dev, u8 *data, void *info)
-{
- struct context *ctx = info;
- u64 desc = *(u64 *)data;
-
- mxms_output_device(dev, 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(dev, 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(dev, 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 drm_device *dev, void *data, int idx, u8 *dcbe)
-{
- struct context ctx = { .outp = (u32 *)dcbe };
- u8 type, i2cidx, link;
- u8 *conn;
-
- /* look for an output device structure that matches this dcb entry.
- * if one isn't found, disable it.
- */
- if (mxms_foreach(dev, 0x01, mxm_match_dcb, &ctx)) {
- MXM_DBG(dev, "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(dev, 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(dev, 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 = olddcb_conn(dev, (ctx.outp[0] & 0x0000f000) >> 12);
- 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(dev) >= 0x0300)
- conn[0] = type;
-
- return 0;
-}
-
-static bool
-mxm_show_unmatched(struct drm_device *dev, u8 *data, void *info)
-{
- u64 desc = *(u64 *)data;
- if ((desc & 0xf0) != 0xf0)
- MXM_MSG(dev, "unmatched output device 0x%016llx\n", desc);
- return true;
-}
-
-static void
-mxm_dcb_sanitise(struct drm_device *dev)
-{
- u8 *dcb = olddcb_table(dev);
- if (!dcb || dcb[0] != 0x40) {
- MXM_DBG(dev, "unsupported DCB version\n");
- return;
- }
-
- olddcb_outp_foreach(dev, NULL, mxm_dcb_sanitise_entry);
- mxms_foreach(dev, 0x01, mxm_show_unmatched, NULL);
-}
-
-static bool
-mxm_shadow_rom_fetch(struct nouveau_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(nouveau_i2c_adapter(i2c), msgs, 2) == 2;
-}
-
-static bool
-mxm_shadow_rom(struct drm_device *dev, u8 version)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_i2c_port *i2c = NULL;
- u8 i2cidx, mxms[6], addr, size;
-
- i2cidx = mxm_ddc_map(dev, 1 /* LVDS_DDC */) & 0x0f;
- if (i2cidx < 0x0f)
- i2c = nouveau_i2c_find(dev, i2cidx);
- if (!i2c)
- return false;
-
- addr = 0x54;
- if (!mxm_shadow_rom_fetch(i2c, addr, 0, 6, mxms)) {
- addr = 0x56;
- if (!mxm_shadow_rom_fetch(i2c, addr, 0, 6, mxms))
- return false;
- }
-
- dev_priv->mxms = mxms;
- size = mxms_headerlen(dev) + mxms_structlen(dev);
- dev_priv->mxms = kmalloc(size, GFP_KERNEL);
-
- if (dev_priv->mxms &&
- mxm_shadow_rom_fetch(i2c, addr, 0, size, dev_priv->mxms))
- return true;
-
- kfree(dev_priv->mxms);
- dev_priv->mxms = NULL;
- return false;
-}
-
-#if defined(CONFIG_ACPI)
-static bool
-mxm_shadow_dsm(struct drm_device *dev, u8 version)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- 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 args[4] = {
- /* _DSM MUID */
- { .buffer.type = 3,
- .buffer.length = sizeof(muid),
- .buffer.pointer = muid,
- },
- /* 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..
- */
- { .integer.type = ACPI_TYPE_INTEGER,
- .integer.value = (version & 0xf0) << 4 | (version & 0x0f),
- },
- /* MXMS function */
- { .integer.type = ACPI_TYPE_INTEGER,
- .integer.value = 0x00000010,
- },
- /* Pointer to MXMS arguments */
- { .buffer.type = ACPI_TYPE_BUFFER,
- .buffer.length = sizeof(mxms_args),
- .buffer.pointer = (char *)mxms_args,
- },
- };
- struct acpi_object_list list = { ARRAY_SIZE(args), args };
- struct acpi_buffer retn = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *obj;
- acpi_handle handle;
- int ret;
-
- handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev);
- if (!handle)
- return false;
-
- ret = acpi_evaluate_object(handle, "_DSM", &list, &retn);
- if (ret) {
- MXM_DBG(dev, "DSM MXMS failed: %d\n", ret);
- return false;
- }
-
- obj = retn.pointer;
- if (obj->type == ACPI_TYPE_BUFFER) {
- dev_priv->mxms = kmemdup(obj->buffer.pointer,
- obj->buffer.length, GFP_KERNEL);
- } else
- if (obj->type == ACPI_TYPE_INTEGER) {
- MXM_DBG(dev, "DSM MXMS returned 0x%llx\n", obj->integer.value);
- }
-
- kfree(obj);
- return dev_priv->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 drm_device *dev, 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)) {
- MXM_DBG(dev, "WMMX MXMI returned %d\n", status);
- return 0x00;
- }
-
- obj = retn.pointer;
- if (obj->type == ACPI_TYPE_INTEGER) {
- version = obj->integer.value;
- MXM_DBG(dev, "WMMX MXMI version %d.%d\n",
- (version >> 4), version & 0x0f);
- } else {
- version = 0;
- MXM_DBG(dev, "WMMX MXMI returned non-integer\n");
- }
-
- kfree(obj);
- return version;
-}
-
-static bool
-mxm_shadow_wmi(struct drm_device *dev, u8 version)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- 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)) {
- MXM_DBG(dev, "WMMX GUID not found\n");
- return false;
- }
-
- mxms_args[1] = wmi_wmmx_mxmi(dev, 0x00);
- if (!mxms_args[1])
- mxms_args[1] = wmi_wmmx_mxmi(dev, version);
- if (!mxms_args[1])
- return false;
-
- status = wmi_evaluate_method(WMI_WMMX_GUID, 0, 0, &args, &retn);
- if (ACPI_FAILURE(status)) {
- MXM_DBG(dev, "WMMX MXMS returned %d\n", status);
- return false;
- }
-
- obj = retn.pointer;
- if (obj->type == ACPI_TYPE_BUFFER) {
- dev_priv->mxms = kmemdup(obj->buffer.pointer,
- obj->buffer.length, GFP_KERNEL);
- }
-
- kfree(obj);
- return dev_priv->mxms != NULL;
-}
-#endif
-
-struct mxm_shadow_h {
- const char *name;
- bool (*exec)(struct drm_device *, 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 drm_device *dev, u8 version)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct mxm_shadow_h *shadow = _mxm_shadow;
- do {
- MXM_DBG(dev, "checking %s\n", shadow->name);
- if (shadow->exec(dev, version)) {
- if (mxms_valid(dev))
- return 0;
- kfree(dev_priv->mxms);
- dev_priv->mxms = NULL;
- }
- } while ((++shadow)->name);
- return -ENOENT;
-}
-
-int
-nouveau_mxm_init(struct drm_device *dev)
-{
- u8 mxm_size, *mxm = mxm_table(dev, &mxm_size);
- if (!mxm || !mxm[0]) {
- MXM_MSG(dev, "no VBIOS data, nothing to do\n");
- return 0;
- }
-
- MXM_MSG(dev, "BIOS version %d.%d\n", mxm[0] >> 4, mxm[0] & 0x0f);
-
- if (mxm_shadow(dev, mxm[0])) {
- MXM_MSG(dev, "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
- }
-
- MXM_MSG(dev, "MXMS Version %d.%d\n",
- mxms_version(dev) >> 8, mxms_version(dev) & 0xff);
- mxms_foreach(dev, 0, NULL, NULL);
-
- if (nouveau_mxmdcb)
- mxm_dcb_sanitise(dev);
- return 0;
-}
-
-void
-nouveau_mxm_fini(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- kfree(dev_priv->mxms);
- dev_priv->mxms = NULL;
-}
projects / cascardo / linux.git / commitdiff