1 files changed, 261 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_pri_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_pri_gk20a.h
new file mode 100644
index 00000000..d0b6df47
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/gr_pri_gk20a.h
@@ -0,0 +1,261 @@
+/*
+ * GK20A Graphics Context Pri Register Addressing
+ *
+ * Copyright (c) 2014-2016, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#ifndef GR_PRI_GK20A_H
+#define GR_PRI_GK20A_H
+
+/*
+ * These convenience macros are generally for use in the management/modificaiton
+ * of the context state store for gr/compute contexts.
+ */
+
+#include <nvgpu/hw/gk20a/hw_ltc_gk20a.h>
+
+/*
+ * GPC pri addressing
+ */
+static inline u32 pri_gpccs_addr_width(void)
+{
+        return 15; /*from where?*/
+}
+static inline u32 pri_gpccs_addr_mask(u32 addr)
+{
+        return addr & ((1 << pri_gpccs_addr_width()) - 1);
+}
+static inline u32 pri_gpc_addr(struct gk20a *g, u32 addr, u32 gpc)
+{
+        u32 gpc_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        return gpc_base + (gpc * gpc_stride) + addr;
+}
+static inline bool pri_is_gpc_addr_shared(struct gk20a *g, u32 addr)
+{
+        u32 gpc_shared_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_SHARED_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        return (addr >= gpc_shared_base) &&
+                (addr < gpc_shared_base + gpc_stride);
+}
+static inline bool pri_is_gpc_addr(struct gk20a *g, u32 addr)
+{
+        u32 gpc_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        u32 num_gpcs = nvgpu_get_litter_value(g, GPU_LIT_NUM_GPCS);
+        return  ((addr >= gpc_base) &&
+                 (addr < gpc_base + num_gpcs * gpc_stride)) ||
+                pri_is_gpc_addr_shared(g, addr);
+}
+static inline u32 pri_get_gpc_num(struct gk20a *g, u32 addr)
+{
+        u32 i, start;
+        u32 num_gpcs = nvgpu_get_litter_value(g, GPU_LIT_NUM_GPCS);
+        u32 gpc_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        for (i = 0; i < num_gpcs; i++) {
+                start = gpc_base + (i * gpc_stride);
+                if ((addr >= start) && (addr < (start + gpc_stride)))
+                        return i;
+        }
+        return 0;
+}
+
+/*
+ * PPC pri addressing
+ */
+static inline bool pri_is_ppc_addr_shared(struct gk20a *g, u32 addr)
+{
+        u32 ppc_in_gpc_shared_base = nvgpu_get_litter_value(g,
+                                                GPU_LIT_PPC_IN_GPC_SHARED_BASE);
+        u32 ppc_in_gpc_stride = nvgpu_get_litter_value(g,
+                                                GPU_LIT_PPC_IN_GPC_STRIDE);
+
+        return ((addr >= ppc_in_gpc_shared_base) &&
+                (addr < (ppc_in_gpc_shared_base + ppc_in_gpc_stride)));
+}
+
+static inline bool pri_is_ppc_addr(struct gk20a *g, u32 addr)
+{
+        u32 ppc_in_gpc_base = nvgpu_get_litter_value(g,
+                                                GPU_LIT_PPC_IN_GPC_BASE);
+        u32 num_pes_per_gpc = nvgpu_get_litter_value(g,
+                                                GPU_LIT_NUM_PES_PER_GPC);
+        u32 ppc_in_gpc_stride = nvgpu_get_litter_value(g,
+                                                GPU_LIT_PPC_IN_GPC_STRIDE);
+
+        return ((addr >= ppc_in_gpc_base) &&
+                (addr < ppc_in_gpc_base + num_pes_per_gpc * ppc_in_gpc_stride))
+                || pri_is_ppc_addr_shared(g, addr);
+}
+
+/*
+ * TPC pri addressing
+ */
+static inline u32 pri_tpccs_addr_width(void)
+{
+        return 11; /* from where? */
+}
+static inline u32 pri_tpccs_addr_mask(u32 addr)
+{
+        return addr & ((1 << pri_tpccs_addr_width()) - 1);
+}
+static inline u32 pri_fbpa_addr_mask(struct gk20a *g, u32 addr)
+{
+        return addr & (nvgpu_get_litter_value(g, GPU_LIT_FBPA_STRIDE) - 1);
+}
+static inline u32 pri_tpc_addr(struct gk20a *g, u32 addr, u32 gpc, u32 tpc)
+{
+        u32 gpc_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        u32 tpc_in_gpc_base = nvgpu_get_litter_value(g, GPU_LIT_TPC_IN_GPC_BASE);
+        u32 tpc_in_gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_TPC_IN_GPC_STRIDE);
+        return gpc_base + (gpc * gpc_stride) +
+                tpc_in_gpc_base + (tpc * tpc_in_gpc_stride) +
+                addr;
+}
+static inline bool pri_is_tpc_addr_shared(struct gk20a *g, u32 addr)
+{
+        u32 tpc_in_gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_TPC_IN_GPC_STRIDE);
+        u32 tpc_in_gpc_shared_base = nvgpu_get_litter_value(g, GPU_LIT_TPC_IN_GPC_SHARED_BASE);
+        return (addr >= tpc_in_gpc_shared_base) &&
+                (addr < (tpc_in_gpc_shared_base +
+                         tpc_in_gpc_stride));
+}
+static inline u32 pri_fbpa_addr(struct gk20a *g, u32 addr, u32 fbpa)
+{
+        return (nvgpu_get_litter_value(g, GPU_LIT_FBPA_BASE) + addr +
+                        (fbpa * nvgpu_get_litter_value(g, GPU_LIT_FBPA_STRIDE)));
+}
+static inline bool pri_is_fbpa_addr_shared(struct gk20a *g, u32 addr)
+{
+        u32 fbpa_shared_base = nvgpu_get_litter_value(g, GPU_LIT_FBPA_SHARED_BASE);
+        u32 fbpa_stride = nvgpu_get_litter_value(g, GPU_LIT_FBPA_STRIDE);
+        return ((addr >= fbpa_shared_base) &&
+                (addr < (fbpa_shared_base + fbpa_stride)));
+}
+static inline bool pri_is_fbpa_addr(struct gk20a *g, u32 addr)
+{
+        u32 fbpa_base = nvgpu_get_litter_value(g, GPU_LIT_FBPA_BASE);
+        u32 fbpa_stride = nvgpu_get_litter_value(g, GPU_LIT_FBPA_STRIDE);
+        u32 num_fbpas = nvgpu_get_litter_value(g, GPU_LIT_NUM_FBPAS);
+        return (((addr >= fbpa_base) &&
+                (addr < (fbpa_base + num_fbpas * fbpa_stride)))
+                || pri_is_fbpa_addr_shared(g, addr));
+}
+/*
+ * BE pri addressing
+ */
+static inline u32 pri_becs_addr_width(void)
+{
+        return 10;/* from where? */
+}
+static inline u32 pri_becs_addr_mask(u32 addr)
+{
+        return addr & ((1 << pri_becs_addr_width()) - 1);
+}
+static inline bool pri_is_be_addr_shared(struct gk20a *g, u32 addr)
+{
+        u32 rop_shared_base = nvgpu_get_litter_value(g, GPU_LIT_ROP_SHARED_BASE);
+        u32 rop_stride = nvgpu_get_litter_value(g, GPU_LIT_ROP_STRIDE);
+        return (addr >= rop_shared_base) &&
+                (addr < rop_shared_base + rop_stride);
+}
+static inline u32 pri_be_shared_addr(struct gk20a *g, u32 addr)
+{
+        u32 rop_shared_base = nvgpu_get_litter_value(g, GPU_LIT_ROP_SHARED_BASE);
+        return rop_shared_base + pri_becs_addr_mask(addr);
+}
+static inline bool pri_is_be_addr(struct gk20a *g, u32 addr)
+{
+        u32 rop_base = nvgpu_get_litter_value(g, GPU_LIT_ROP_BASE);
+        u32 rop_stride = nvgpu_get_litter_value(g, GPU_LIT_ROP_STRIDE);
+        return  ((addr >= rop_base) &&
+                 (addr < rop_base + g->ltc_count * rop_stride)) ||
+                pri_is_be_addr_shared(g, addr);
+}
+
+static inline u32 pri_get_be_num(struct gk20a *g, u32 addr)
+{
+        u32 i, start;
+        u32 num_fbps = nvgpu_get_litter_value(g, GPU_LIT_NUM_FBPS);
+        u32 rop_base = nvgpu_get_litter_value(g, GPU_LIT_ROP_BASE);
+        u32 rop_stride = nvgpu_get_litter_value(g, GPU_LIT_ROP_STRIDE);
+        for (i = 0; i < num_fbps; i++) {
+                start = rop_base + (i * rop_stride);
+                if ((addr >= start) && (addr < (start + rop_stride)))
+                        return i;
+        }
+        return 0;
+}
+
+/*
+ * PPC pri addressing
+ */
+static inline u32 pri_ppccs_addr_width(void)
+{
+        return 9; /* from where? */
+}
+static inline u32 pri_ppccs_addr_mask(u32 addr)
+{
+        return addr & ((1 << pri_ppccs_addr_width()) - 1);
+}
+static inline u32 pri_ppc_addr(struct gk20a *g, u32 addr, u32 gpc, u32 ppc)
+{
+        u32 gpc_base = nvgpu_get_litter_value(g, GPU_LIT_GPC_BASE);
+        u32 gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_GPC_STRIDE);
+        u32 ppc_in_gpc_base = nvgpu_get_litter_value(g, GPU_LIT_PPC_IN_GPC_BASE);
+        u32 ppc_in_gpc_stride = nvgpu_get_litter_value(g, GPU_LIT_PPC_IN_GPC_STRIDE);
+        return gpc_base + (gpc * gpc_stride) +
+                ppc_in_gpc_base + (ppc * ppc_in_gpc_stride) + addr;
+}
+
+/*
+ * LTC pri addressing
+ */
+static inline bool pri_is_ltc_addr(u32 addr)
+{
+        return ((addr >= ltc_pltcg_base_v()) && (addr < ltc_pltcg_extent_v()));
+}
+
+enum ctxsw_addr_type {
+        CTXSW_ADDR_TYPE_SYS  = 0,
+        CTXSW_ADDR_TYPE_GPC  = 1,
+        CTXSW_ADDR_TYPE_TPC  = 2,
+        CTXSW_ADDR_TYPE_BE   = 3,
+        CTXSW_ADDR_TYPE_PPC  = 4,
+        CTXSW_ADDR_TYPE_LTCS = 5,
+        CTXSW_ADDR_TYPE_FBPA = 6,
+        CTXSW_ADDR_TYPE_EGPC = 7,
+        CTXSW_ADDR_TYPE_ETPC = 8,
+};
+
+#define PRI_BROADCAST_FLAGS_NONE  0
+#define PRI_BROADCAST_FLAGS_GPC   BIT(0)
+#define PRI_BROADCAST_FLAGS_TPC   BIT(1)
+#define PRI_BROADCAST_FLAGS_BE    BIT(2)
+#define PRI_BROADCAST_FLAGS_PPC   BIT(3)
+#define PRI_BROADCAST_FLAGS_LTCS  BIT(4)
+#define PRI_BROADCAST_FLAGS_LTSS  BIT(5)
+#define PRI_BROADCAST_FLAGS_FBPA  BIT(6)
+#define PRI_BROADCAST_FLAGS_EGPC  BIT(7)
+#define PRI_BROADCAST_FLAGS_ETPC  BIT(8)
+
+#endif /* GR_PRI_GK20A_H */