drm/nouveau/mxm: split up into bios code and a subdev module
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/mxm.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/mxm.h
new file mode 100644
index 0000000..5572e60
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/mxm.h
@@ -0,0 +1,9 @@
+#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
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/mxm.h b/drivers/gpu/drm/nouveau/core/include/subdev/mxm.h
new file mode 100644
index 0000000..b93b152
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/mxm.h
@@ -0,0 +1,37 @@
+#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
diff --git a/drivers/gpu/drm/nouveau/core/os.h b/drivers/gpu/drm/nouveau/core/os.h
index 661b037..cfe3b9c 100644
--- a/drivers/gpu/drm/nouveau/core/os.h
+++ b/drivers/gpu/drm/nouveau/core/os.h
@@ -19,8 +19,6 @@
#include <asm/unaligned.h>
-#include <asm/unaligned.h>
-
static inline int
ffsll(u64 mask)
{
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/mxm.c b/drivers/gpu/drm/nouveau/core/subdev/bios/mxm.c
new file mode 100644
index 0000000..2610b11
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/mxm.c
@@ -0,0 +1,135 @@
+/*
+ * 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;
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
index 5d44b2a..cec477b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
@@ -27,6 +27,7 @@
#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>
@@ -56,6 +57,7 @@
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;
@@ -75,6 +77,7 @@
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;
@@ -97,6 +100,7 @@
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;
@@ -119,6 +123,7 @@
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;
@@ -141,6 +146,7 @@
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;
@@ -163,6 +169,7 @@
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;
@@ -185,6 +192,7 @@
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;
@@ -207,6 +215,7 @@
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;
@@ -229,6 +238,7 @@
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;
@@ -251,6 +261,7 @@
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;
@@ -273,6 +284,7 @@
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;
@@ -296,6 +308,7 @@
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;
@@ -318,6 +331,7 @@
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;
@@ -340,6 +354,7 @@
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;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
index 81d6ed5..6168436 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
@@ -27,6 +27,7 @@
#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>
@@ -55,6 +56,7 @@
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;
@@ -79,6 +81,7 @@
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;
@@ -103,6 +106,7 @@
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;
@@ -127,6 +131,7 @@
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;
@@ -151,6 +156,7 @@
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;
@@ -175,6 +181,7 @@
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;
@@ -199,6 +206,7 @@
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;
@@ -223,6 +231,7 @@
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;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
index f4f5a5a..1ce0570 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
@@ -27,6 +27,7 @@
#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>
@@ -51,6 +52,7 @@
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;
@@ -70,6 +72,7 @@
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;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
new file mode 100644
index 0000000..684f396
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/base.c
@@ -0,0 +1,290 @@
+/*
+ * 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;
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.c
new file mode 100644
index 0000000..839ca1e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.c
@@ -0,0 +1,193 @@
+/*
+ * 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;
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.h b/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.h
new file mode 100644
index 0000000..5e0be0c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/mxms.h
@@ -0,0 +1,22 @@
+#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
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c
new file mode 100644
index 0000000..af129c2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c
@@ -0,0 +1,233 @@
+/*
+ * 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,
+ },
+};