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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
new file mode 100644
index 000000000..7917567ad
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_GRCTX_H__
+#define __NVKM_GRCTX_H__
+#include <core/gpuobj.h>
+
+struct nvkm_grctx {
+ struct nvkm_device *device;
+
+ enum {
+ NVKM_GRCTX_PROG,
+ NVKM_GRCTX_VALS
+ } mode;
+ u32 *ucode;
+ struct nvkm_gpuobj *data;
+
+ u32 ctxprog_max;
+ u32 ctxprog_len;
+ u32 ctxprog_reg;
+ int ctxprog_label[32];
+ u32 ctxvals_pos;
+ u32 ctxvals_base;
+};
+
+static inline void
+cp_out(struct nvkm_grctx *ctx, u32 inst)
+{
+ u32 *ctxprog = ctx->ucode;
+
+ if (ctx->mode != NVKM_GRCTX_PROG)
+ return;
+
+ BUG_ON(ctx->ctxprog_len == ctx->ctxprog_max);
+ ctxprog[ctx->ctxprog_len++] = inst;
+}
+
+static inline void
+cp_lsr(struct nvkm_grctx *ctx, u32 val)
+{
+ cp_out(ctx, CP_LOAD_SR | val);
+}
+
+static inline void
+cp_ctx(struct nvkm_grctx *ctx, u32 reg, u32 length)
+{
+ ctx->ctxprog_reg = (reg - 0x00400000) >> 2;
+
+ ctx->ctxvals_base = ctx->ctxvals_pos;
+ ctx->ctxvals_pos = ctx->ctxvals_base + length;
+
+ if (length > (CP_CTX_COUNT >> CP_CTX_COUNT_SHIFT)) {
+ cp_lsr(ctx, length);
+ length = 0;
+ }
+
+ cp_out(ctx, CP_CTX | (length << CP_CTX_COUNT_SHIFT) | ctx->ctxprog_reg);
+}
+
+static inline void
+cp_name(struct nvkm_grctx *ctx, int name)
+{
+ u32 *ctxprog = ctx->ucode;
+ int i;
+
+ if (ctx->mode != NVKM_GRCTX_PROG)
+ return;
+
+ ctx->ctxprog_label[name] = ctx->ctxprog_len;
+ for (i = 0; i < ctx->ctxprog_len; i++) {
+ if ((ctxprog[i] & 0xfff00000) != 0xff400000)
+ continue;
+ if ((ctxprog[i] & CP_BRA_IP) != ((name) << CP_BRA_IP_SHIFT))
+ continue;
+ ctxprog[i] = (ctxprog[i] & 0x00ff00ff) |
+ (ctx->ctxprog_len << CP_BRA_IP_SHIFT);
+ }
+}
+
+static inline void
+_cp_bra(struct nvkm_grctx *ctx, u32 mod, int flag, int state, int name)
+{
+ int ip = 0;
+
+ if (mod != 2) {
+ ip = ctx->ctxprog_label[name] << CP_BRA_IP_SHIFT;
+ if (ip == 0)
+ ip = 0xff000000 | (name << CP_BRA_IP_SHIFT);
+ }
+
+ cp_out(ctx, CP_BRA | (mod << 18) | ip | flag |
+ (state ? 0 : CP_BRA_IF_CLEAR));
+}
+#define cp_bra(c, f, s, n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n)
+#define cp_cal(c, f, s, n) _cp_bra((c), 1, CP_FLAG_##f, CP_FLAG_##f##_##s, n)
+#define cp_ret(c, f, s) _cp_bra((c), 2, CP_FLAG_##f, CP_FLAG_##f##_##s, 0)
+
+static inline void
+_cp_wait(struct nvkm_grctx *ctx, int flag, int state)
+{
+ cp_out(ctx, CP_WAIT | flag | (state ? CP_WAIT_SET : 0));
+}
+#define cp_wait(c, f, s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s)
+
+static inline void
+_cp_set(struct nvkm_grctx *ctx, int flag, int state)
+{
+ cp_out(ctx, CP_SET | flag | (state ? CP_SET_1 : 0));
+}
+#define cp_set(c, f, s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s)
+
+static inline void
+cp_pos(struct nvkm_grctx *ctx, int offset)
+{
+ ctx->ctxvals_pos = offset;
+ ctx->ctxvals_base = ctx->ctxvals_pos;
+
+ cp_lsr(ctx, ctx->ctxvals_pos);
+ cp_out(ctx, CP_SET_CONTEXT_POINTER);
+}
+
+static inline void
+gr_def(struct nvkm_grctx *ctx, u32 reg, u32 val)
+{
+ if (ctx->mode != NVKM_GRCTX_VALS)
+ return;
+
+ reg = (reg - 0x00400000) / 4;
+ reg = (reg - ctx->ctxprog_reg) + ctx->ctxvals_base;
+
+ nvkm_wo32(ctx->data, reg * 4, val);
+}
+#endif