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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
new file mode 100644
index 000000000000..5c9e5108c32c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, 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: AMD
+ *
+ */
+
+#include "dm_services.h"
+
+#include "atom.h"
+
+#include "include/bios_parser_types.h"
+#include "bios_parser_helper.h"
+#include "command_table_helper.h"
+#include "command_table.h"
+#include "bios_parser_types_internal.h"
+
+uint8_t *bios_get_image(struct dc_bios *bp,
+ uint32_t offset,
+ uint32_t size)
+{
+ if (bp->bios && offset + size < bp->bios_size)
+ return bp->bios + offset;
+ else
+ return NULL;
+}
+
+#include "reg_helper.h"
+
+#define CTX \
+ bios->ctx
+#define REG(reg)\
+ (bios->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+ ATOM_ ## field_name ## _SHIFT, ATOM_ ## field_name
+
+bool bios_is_accelerated_mode(
+ struct dc_bios *bios)
+{
+ uint32_t acc_mode;
+ REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode);
+ return (acc_mode == 1);
+}
+
+
+void bios_set_scratch_acc_mode_change(
+ struct dc_bios *bios)
+{
+ REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, 1);
+}
+
+
+void bios_set_scratch_critical_state(
+ struct dc_bios *bios,
+ bool state)
+{
+ uint32_t critial_state = state ? 1 : 0;
+ REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state);
+}
+
+
+