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path: root/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/v1.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/falcon/v1.c257
1 files changed, 4 insertions, 253 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c b/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c
index 9def926f24d4..dd2ddc54ac60 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/v1.c
@@ -25,7 +25,7 @@
#include <core/memory.h>
#include <subdev/timer.h>
-static void
+void
nvkm_falcon_v1_load_imem(struct nvkm_falcon *falcon, void *data, u32 start,
u32 size, u16 tag, u8 port, bool secure)
{
@@ -64,45 +64,13 @@ nvkm_falcon_v1_load_imem(struct nvkm_falcon *falcon, void *data, u32 start,
nvkm_falcon_wr32(falcon, 0x184 + (port * 16), 0);
}
-static void
-nvkm_falcon_v1_load_emem(struct nvkm_falcon *falcon, void *data, u32 start,
- u32 size, u8 port)
-{
- u8 rem = size % 4;
- int i;
-
- size -= rem;
-
- nvkm_falcon_wr32(falcon, 0xac0 + (port * 8), start | (0x1 << 24));
- for (i = 0; i < size / 4; i++)
- nvkm_falcon_wr32(falcon, 0xac4 + (port * 8), ((u32 *)data)[i]);
-
- /*
- * If size is not a multiple of 4, mask the last word to ensure garbage
- * does not get written
- */
- if (rem) {
- u32 extra = ((u32 *)data)[i];
-
- nvkm_falcon_wr32(falcon, 0xac4 + (port * 8),
- extra & (BIT(rem * 8) - 1));
- }
-}
-
-static const u32 EMEM_START_ADDR = 0x1000000;
-
-static void
+void
nvkm_falcon_v1_load_dmem(struct nvkm_falcon *falcon, void *data, u32 start,
- u32 size, u8 port)
+ u32 size, u8 port)
{
u8 rem = size % 4;
int i;
- if (start >= EMEM_START_ADDR && falcon->has_emem)
- return nvkm_falcon_v1_load_emem(falcon, data,
- start - EMEM_START_ADDR, size,
- port);
-
size -= rem;
nvkm_falcon_wr32(falcon, 0x1c0 + (port * 8), start | (0x1 << 24));
@@ -121,127 +89,7 @@ nvkm_falcon_v1_load_dmem(struct nvkm_falcon *falcon, void *data, u32 start,
}
}
-static void
-nvkm_falcon_v1_read_emem(struct nvkm_falcon *falcon, u32 start, u32 size,
- u8 port, void *data)
-{
- u8 rem = size % 4;
- int i;
-
- size -= rem;
-
- nvkm_falcon_wr32(falcon, 0xac0 + (port * 8), start | (0x1 << 25));
- for (i = 0; i < size / 4; i++)
- ((u32 *)data)[i] = nvkm_falcon_rd32(falcon, 0xac4 + (port * 8));
-
- /*
- * If size is not a multiple of 4, mask the last word to ensure garbage
- * does not get read
- */
- if (rem) {
- u32 extra = nvkm_falcon_rd32(falcon, 0xac4 + (port * 8));
-
- for (i = size; i < size + rem; i++) {
- ((u8 *)data)[i] = (u8)(extra & 0xff);
- extra >>= 8;
- }
- }
-}
-
-static void
-nvkm_falcon_v1_read_dmem(struct nvkm_falcon *falcon, u32 start, u32 size,
- u8 port, void *data)
-{
- u8 rem = size % 4;
- int i;
-
- if (start >= EMEM_START_ADDR && falcon->has_emem)
- return nvkm_falcon_v1_read_emem(falcon, start - EMEM_START_ADDR,
- size, port, data);
-
- size -= rem;
-
- nvkm_falcon_wr32(falcon, 0x1c0 + (port * 8), start | (0x1 << 25));
- for (i = 0; i < size / 4; i++)
- ((u32 *)data)[i] = nvkm_falcon_rd32(falcon, 0x1c4 + (port * 8));
-
- /*
- * If size is not a multiple of 4, mask the last word to ensure garbage
- * does not get read
- */
- if (rem) {
- u32 extra = nvkm_falcon_rd32(falcon, 0x1c4 + (port * 8));
-
- for (i = size; i < size + rem; i++) {
- ((u8 *)data)[i] = (u8)(extra & 0xff);
- extra >>= 8;
- }
- }
-}
-
-static void
-nvkm_falcon_v1_bind_context(struct nvkm_falcon *falcon, struct nvkm_memory *ctx)
-{
- u32 inst_loc;
- u32 fbif;
-
- /* disable instance block binding */
- if (ctx == NULL) {
- nvkm_falcon_wr32(falcon, 0x10c, 0x0);
- return;
- }
-
- switch (falcon->owner->index) {
- case NVKM_ENGINE_NVENC0:
- case NVKM_ENGINE_NVENC1:
- case NVKM_ENGINE_NVENC2:
- fbif = 0x800;
- break;
- case NVKM_SUBDEV_PMU:
- fbif = 0xe00;
- break;
- default:
- fbif = 0x600;
- break;
- }
-
- nvkm_falcon_wr32(falcon, 0x10c, 0x1);
-
- /* setup apertures - virtual */
- nvkm_falcon_wr32(falcon, fbif + 4 * FALCON_DMAIDX_UCODE, 0x4);
- nvkm_falcon_wr32(falcon, fbif + 4 * FALCON_DMAIDX_VIRT, 0x0);
- /* setup apertures - physical */
- nvkm_falcon_wr32(falcon, fbif + 4 * FALCON_DMAIDX_PHYS_VID, 0x4);
- nvkm_falcon_wr32(falcon, fbif + 4 * FALCON_DMAIDX_PHYS_SYS_COH, 0x5);
- nvkm_falcon_wr32(falcon, fbif + 4 * FALCON_DMAIDX_PHYS_SYS_NCOH, 0x6);
-
- /* Set context */
- switch (nvkm_memory_target(ctx)) {
- case NVKM_MEM_TARGET_VRAM: inst_loc = 0; break;
- case NVKM_MEM_TARGET_HOST: inst_loc = 2; break;
- case NVKM_MEM_TARGET_NCOH: inst_loc = 3; break;
- default:
- WARN_ON(1);
- return;
- }
-
- /* Enable context */
- nvkm_falcon_mask(falcon, 0x048, 0x1, 0x1);
- nvkm_falcon_wr32(falcon, 0x054,
- ((nvkm_memory_addr(ctx) >> 12) & 0xfffffff) |
- (inst_loc << 28) | (1 << 30));
-
- nvkm_falcon_mask(falcon, 0x090, 0x10000, 0x10000);
- nvkm_falcon_mask(falcon, 0x0a4, 0x8, 0x8);
-}
-
-static void
-nvkm_falcon_v1_set_start_addr(struct nvkm_falcon *falcon, u32 start_addr)
-{
- nvkm_falcon_wr32(falcon, 0x104, start_addr);
-}
-
-static void
+void
nvkm_falcon_v1_start(struct nvkm_falcon *falcon)
{
u32 reg = nvkm_falcon_rd32(falcon, 0x100);
@@ -251,100 +99,3 @@ nvkm_falcon_v1_start(struct nvkm_falcon *falcon)
else
nvkm_falcon_wr32(falcon, 0x100, 0x2);
}
-
-static int
-nvkm_falcon_v1_wait_for_halt(struct nvkm_falcon *falcon, u32 ms)
-{
- struct nvkm_device *device = falcon->owner->device;
- int ret;
-
- ret = nvkm_wait_msec(device, ms, falcon->addr + 0x100, 0x10, 0x10);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int
-nvkm_falcon_v1_clear_interrupt(struct nvkm_falcon *falcon, u32 mask)
-{
- struct nvkm_device *device = falcon->owner->device;
- int ret;
-
- /* clear interrupt(s) */
- nvkm_falcon_mask(falcon, 0x004, mask, mask);
- /* wait until interrupts are cleared */
- ret = nvkm_wait_msec(device, 10, falcon->addr + 0x008, mask, 0x0);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int
-falcon_v1_wait_idle(struct nvkm_falcon *falcon)
-{
- struct nvkm_device *device = falcon->owner->device;
- int ret;
-
- ret = nvkm_wait_msec(device, 10, falcon->addr + 0x04c, 0xffff, 0x0);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int
-nvkm_falcon_v1_enable(struct nvkm_falcon *falcon)
-{
- struct nvkm_device *device = falcon->owner->device;
- int ret;
-
- ret = nvkm_wait_msec(device, 10, falcon->addr + 0x10c, 0x6, 0x0);
- if (ret < 0) {
- nvkm_error(falcon->user, "Falcon mem scrubbing timeout\n");
- return ret;
- }
-
- ret = falcon_v1_wait_idle(falcon);
- if (ret)
- return ret;
-
- /* enable IRQs */
- nvkm_falcon_wr32(falcon, 0x010, 0xff);
-
- return 0;
-}
-
-static void
-nvkm_falcon_v1_disable(struct nvkm_falcon *falcon)
-{
- /* disable IRQs and wait for any previous code to complete */
- nvkm_falcon_wr32(falcon, 0x014, 0xff);
- falcon_v1_wait_idle(falcon);
-}
-
-static const struct nvkm_falcon_func
-nvkm_falcon_v1 = {
- .load_imem = nvkm_falcon_v1_load_imem,
- .load_dmem = nvkm_falcon_v1_load_dmem,
- .read_dmem = nvkm_falcon_v1_read_dmem,
- .bind_context = nvkm_falcon_v1_bind_context,
- .start = nvkm_falcon_v1_start,
- .wait_for_halt = nvkm_falcon_v1_wait_for_halt,
- .clear_interrupt = nvkm_falcon_v1_clear_interrupt,
- .enable = nvkm_falcon_v1_enable,
- .disable = nvkm_falcon_v1_disable,
- .set_start_addr = nvkm_falcon_v1_set_start_addr,
-};
-
-int
-nvkm_falcon_v1_new(struct nvkm_subdev *owner, const char *name, u32 addr,
- struct nvkm_falcon **pfalcon)
-{
- struct nvkm_falcon *falcon;
- if (!(falcon = *pfalcon = kzalloc(sizeof(*falcon), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_falcon_ctor(&nvkm_falcon_v1, owner, name, addr, falcon);
- return 0;
-}
generated by cgit (git 2.34.1) at 2025-12-26 01:27:44 +0000