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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/bios
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c59
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c8
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/image.c7
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c20
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/pmu.c20
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c6
6 files changed, 88 insertions, 32 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c
index e15b9627b..f3c30b2a7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c
@@ -26,6 +26,49 @@
#include <subdev/bios.h>
#include <subdev/bios/bmp.h>
#include <subdev/bios/bit.h>
+#include <subdev/bios/image.h>
+
+static bool
+nvbios_addr(struct nvkm_bios *bios, u32 *addr, u8 size)
+{
+ u32 p = *addr;
+
+ if (*addr > bios->image0_size && bios->imaged_addr) {
+ *addr -= bios->image0_size;
+ *addr += bios->imaged_addr;
+ }
+
+ if (unlikely(*addr + size >= bios->size)) {
+ nvkm_error(&bios->subdev, "OOB %d %08x %08x\n", size, p, *addr);
+ return false;
+ }
+
+ return true;
+}
+
+u8
+nvbios_rd08(struct nvkm_bios *bios, u32 addr)
+{
+ if (likely(nvbios_addr(bios, &addr, 1)))
+ return bios->data[addr];
+ return 0x00;
+}
+
+u16
+nvbios_rd16(struct nvkm_bios *bios, u32 addr)
+{
+ if (likely(nvbios_addr(bios, &addr, 2)))
+ return get_unaligned_le16(&bios->data[addr]);
+ return 0x0000;
+}
+
+u32
+nvbios_rd32(struct nvkm_bios *bios, u32 addr)
+{
+ if (likely(nvbios_addr(bios, &addr, 4)))
+ return get_unaligned_le32(&bios->data[addr]);
+ return 0x00000000;
+}
u8
nvbios_checksum(const u8 *data, int size)
@@ -100,8 +143,9 @@ int
nvkm_bios_new(struct nvkm_device *device, int index, struct nvkm_bios **pbios)
{
struct nvkm_bios *bios;
+ struct nvbios_image image;
struct bit_entry bit_i;
- int ret;
+ int ret, idx = 0;
if (!(bios = *pbios = kzalloc(sizeof(*bios), GFP_KERNEL)))
return -ENOMEM;
@@ -111,6 +155,19 @@ nvkm_bios_new(struct nvkm_device *device, int index, struct nvkm_bios **pbios)
if (ret)
return ret;
+ /* Some tables have weird pointers that need adjustment before
+ * they're dereferenced. I'm not entirely sure why...
+ */
+ if (nvbios_image(bios, idx++, &image)) {
+ bios->image0_size = image.size;
+ while (nvbios_image(bios, idx++, &image)) {
+ if (image.type == 0xe0) {
+ bios->imaged_addr = image.base;
+ break;
+ }
+ }
+ }
+
/* detect type of vbios we're dealing with */
bios->bmp_offset = nvbios_findstr(bios->data, bios->size,
"\xff\x7f""NV\0", 5);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
index 053324763..d89e78c4e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
@@ -40,6 +40,7 @@ nvbios_dp_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
case 0x30:
case 0x40:
case 0x41:
+ case 0x42:
*hdr = nvbios_rd08(bios, data + 0x01);
*len = nvbios_rd08(bios, data + 0x02);
*cnt = nvbios_rd08(bios, data + 0x03);
@@ -70,6 +71,7 @@ nvbios_dpout_entry(struct nvkm_bios *bios, u8 idx,
break;
case 0x40:
case 0x41:
+ case 0x42:
*hdr = nvbios_rd08(bios, data + 0x04);
*cnt = 0;
*len = 0;
@@ -109,6 +111,7 @@ nvbios_dpout_parse(struct nvkm_bios *bios, u8 idx,
break;
case 0x40:
case 0x41:
+ case 0x42:
info->flags = nvbios_rd08(bios, data + 0x04);
info->script[0] = nvbios_rd16(bios, data + 0x05);
info->script[1] = nvbios_rd16(bios, data + 0x07);
@@ -180,6 +183,11 @@ nvbios_dpcfg_parse(struct nvkm_bios *bios, u16 outp, u8 idx,
info->pe = nvbios_rd08(bios, data + 0x02);
info->tx_pu = nvbios_rd08(bios, data + 0x03);
break;
+ case 0x42:
+ info->dc = nvbios_rd08(bios, data + 0x00);
+ info->pe = nvbios_rd08(bios, data + 0x01);
+ info->tx_pu = nvbios_rd08(bios, data + 0x02);
+ break;
default:
data = 0x0000;
break;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/image.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/image.c
index 74b14cf09..1dbff7aea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/image.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/image.c
@@ -68,11 +68,16 @@ nvbios_imagen(struct nvkm_bios *bios, struct nvbios_image *image)
bool
nvbios_image(struct nvkm_bios *bios, int idx, struct nvbios_image *image)
{
+ u32 imaged_addr = bios->imaged_addr;
memset(image, 0x00, sizeof(*image));
+ bios->imaged_addr = 0;
do {
image->base += image->size;
- if (image->last || !nvbios_imagen(bios, image))
+ if (image->last || !nvbios_imagen(bios, image)) {
+ bios->imaged_addr = imaged_addr;
return false;
+ }
} while(idx--);
+ bios->imaged_addr = imaged_addr;
return true;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
index 91a7dc56e..2ca23a915 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c
@@ -77,15 +77,17 @@ g84_pll_mapping[] = {
{}
};
-static u16
+static u32
pll_limits_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
struct bit_entry bit_C;
- u16 data = 0x0000;
+ u32 data = 0x0000;
if (!bit_entry(bios, 'C', &bit_C)) {
if (bit_C.version == 1 && bit_C.length >= 10)
data = nvbios_rd16(bios, bit_C.offset + 8);
+ if (bit_C.version == 2 && bit_C.length >= 4)
+ data = nvbios_rd32(bios, bit_C.offset + 0);
if (data) {
*ver = nvbios_rd08(bios, data + 0);
*hdr = nvbios_rd08(bios, data + 1);
@@ -137,12 +139,12 @@ pll_map(struct nvkm_bios *bios)
}
}
-static u16
+static u32
pll_map_reg(struct nvkm_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len)
{
struct pll_mapping *map;
u8 hdr, cnt;
- u16 data;
+ u32 data;
data = pll_limits_table(bios, ver, &hdr, &cnt, len);
if (data && *ver >= 0x30) {
@@ -160,7 +162,7 @@ pll_map_reg(struct nvkm_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len)
map = pll_map(bios);
while (map && map->reg) {
if (map->reg == reg && *ver >= 0x20) {
- u16 addr = (data += hdr);
+ u32 addr = (data += hdr);
*type = map->type;
while (cnt--) {
if (nvbios_rd32(bios, data) == map->reg)
@@ -179,12 +181,12 @@ pll_map_reg(struct nvkm_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len)
return 0x0000;
}
-static u16
+static u32
pll_map_type(struct nvkm_bios *bios, u8 type, u32 *reg, u8 *ver, u8 *len)
{
struct pll_mapping *map;
u8 hdr, cnt;
- u16 data;
+ u32 data;
data = pll_limits_table(bios, ver, &hdr, &cnt, len);
if (data && *ver >= 0x30) {
@@ -202,7 +204,7 @@ pll_map_type(struct nvkm_bios *bios, u8 type, u32 *reg, u8 *ver, u8 *len)
map = pll_map(bios);
while (map && map->reg) {
if (map->type == type && *ver >= 0x20) {
- u16 addr = (data += hdr);
+ u32 addr = (data += hdr);
*reg = map->reg;
while (cnt--) {
if (nvbios_rd32(bios, data) == map->reg)
@@ -228,7 +230,7 @@ nvbios_pll_parse(struct nvkm_bios *bios, u32 type, struct nvbios_pll *info)
struct nvkm_device *device = subdev->device;
u8 ver, len;
u32 reg = type;
- u16 data;
+ u32 data;
if (type > PLL_MAX) {
reg = type;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pmu.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pmu.c
index c268e5afe..b4a308f3c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pmu.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pmu.c
@@ -26,21 +26,6 @@
#include <subdev/bios/image.h>
#include <subdev/bios/pmu.h>
-static u32
-weirdo_pointer(struct nvkm_bios *bios, u32 data)
-{
- struct nvbios_image image;
- int idx = 0;
- if (nvbios_image(bios, idx++, &image)) {
- data -= image.size;
- while (nvbios_image(bios, idx++, &image)) {
- if (image.type == 0xe0)
- return image.base + data;
- }
- }
- return 0;
-}
-
u32
nvbios_pmuTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
@@ -50,7 +35,7 @@ nvbios_pmuTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
if (!bit_entry(bios, 'p', &bit_p)) {
if (bit_p.version == 2 && bit_p.length >= 4)
data = nvbios_rd32(bios, bit_p.offset + 0x00);
- if ((data = weirdo_pointer(bios, data))) {
+ if (data) {
*ver = nvbios_rd08(bios, data + 0x00); /* maybe? */
*hdr = nvbios_rd08(bios, data + 0x01);
*len = nvbios_rd08(bios, data + 0x02);
@@ -97,8 +82,7 @@ nvbios_pmuRm(struct nvkm_bios *bios, u8 type, struct nvbios_pmuR *info)
u32 data;
memset(info, 0x00, sizeof(*info));
while ((data = nvbios_pmuEp(bios, idx++, &ver, &hdr, &pmuE))) {
- if ( pmuE.type == type &&
- (data = weirdo_pointer(bios, pmuE.data))) {
+ if (pmuE.type == type && (data = pmuE.data)) {
info->init_addr_pmu = nvbios_rd32(bios, data + 0x08);
info->args_addr_pmu = nvbios_rd32(bios, data + 0x0c);
info->boot_addr = data + 0x30;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c
index d0ae74547..b57c370c7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c
@@ -30,11 +30,11 @@ nvbios_rammapTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
{
struct bit_entry bit_P;
- u16 rammap = 0x0000;
+ u32 rammap = 0x0000;
if (!bit_entry(bios, 'P', &bit_P)) {
if (bit_P.version == 2)
- rammap = nvbios_rd16(bios, bit_P.offset + 4);
+ rammap = nvbios_rd32(bios, bit_P.offset + 4);
if (rammap) {
*ver = nvbios_rd08(bios, rammap + 0);
@@ -61,7 +61,7 @@ nvbios_rammapEe(struct nvkm_bios *bios, int idx,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
u8 snr, ssz;
- u16 rammap = nvbios_rammapTe(bios, ver, hdr, cnt, len, &snr, &ssz);
+ u32 rammap = nvbios_rammapTe(bios, ver, hdr, cnt, len, &snr, &ssz);
if (rammap && idx < *cnt) {
rammap = rammap + *hdr + (idx * (*len + (snr * ssz)));
*hdr = *len;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 23:58:37 +0000