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path: root/drivers/gpu/drm/radeon/atom.h
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Diffstat (limited to 'drivers/gpu/drm/radeon/atom.h')
-rw-r--r--drivers/gpu/drm/radeon/atom.h161
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h
new file mode 100644
index 000000000..6d014ddb6
--- /dev/null
+++ b/drivers/gpu/drm/radeon/atom.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2008 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.
+ *
+ * Author: Stanislaw Skowronek
+ */
+
+#ifndef ATOM_H
+#define ATOM_H
+
+#include <linux/types.h>
+#include <drm/drmP.h>
+
+#define ATOM_BIOS_MAGIC 0xAA55
+#define ATOM_ATI_MAGIC_PTR 0x30
+#define ATOM_ATI_MAGIC " 761295520"
+#define ATOM_ROM_TABLE_PTR 0x48
+
+#define ATOM_ROM_MAGIC "ATOM"
+#define ATOM_ROM_MAGIC_PTR 4
+
+#define ATOM_ROM_MSG_PTR 0x10
+#define ATOM_ROM_CMD_PTR 0x1E
+#define ATOM_ROM_DATA_PTR 0x20
+
+#define ATOM_CMD_INIT 0
+#define ATOM_CMD_SETSCLK 0x0A
+#define ATOM_CMD_SETMCLK 0x0B
+#define ATOM_CMD_SETPCLK 0x0C
+#define ATOM_CMD_SPDFANCNTL 0x39
+
+#define ATOM_DATA_FWI_PTR 0xC
+#define ATOM_DATA_IIO_PTR 0x32
+
+#define ATOM_FWI_DEFSCLK_PTR 8
+#define ATOM_FWI_DEFMCLK_PTR 0xC
+#define ATOM_FWI_MAXSCLK_PTR 0x24
+#define ATOM_FWI_MAXMCLK_PTR 0x28
+
+#define ATOM_CT_SIZE_PTR 0
+#define ATOM_CT_WS_PTR 4
+#define ATOM_CT_PS_PTR 5
+#define ATOM_CT_PS_MASK 0x7F
+#define ATOM_CT_CODE_PTR 6
+
+#define ATOM_OP_CNT 123
+#define ATOM_OP_EOT 91
+
+#define ATOM_CASE_MAGIC 0x63
+#define ATOM_CASE_END 0x5A5A
+
+#define ATOM_ARG_REG 0
+#define ATOM_ARG_PS 1
+#define ATOM_ARG_WS 2
+#define ATOM_ARG_FB 3
+#define ATOM_ARG_ID 4
+#define ATOM_ARG_IMM 5
+#define ATOM_ARG_PLL 6
+#define ATOM_ARG_MC 7
+
+#define ATOM_SRC_DWORD 0
+#define ATOM_SRC_WORD0 1
+#define ATOM_SRC_WORD8 2
+#define ATOM_SRC_WORD16 3
+#define ATOM_SRC_BYTE0 4
+#define ATOM_SRC_BYTE8 5
+#define ATOM_SRC_BYTE16 6
+#define ATOM_SRC_BYTE24 7
+
+#define ATOM_WS_QUOTIENT 0x40
+#define ATOM_WS_REMAINDER 0x41
+#define ATOM_WS_DATAPTR 0x42
+#define ATOM_WS_SHIFT 0x43
+#define ATOM_WS_OR_MASK 0x44
+#define ATOM_WS_AND_MASK 0x45
+#define ATOM_WS_FB_WINDOW 0x46
+#define ATOM_WS_ATTRIBUTES 0x47
+#define ATOM_WS_REGPTR 0x48
+
+#define ATOM_IIO_NOP 0
+#define ATOM_IIO_START 1
+#define ATOM_IIO_READ 2
+#define ATOM_IIO_WRITE 3
+#define ATOM_IIO_CLEAR 4
+#define ATOM_IIO_SET 5
+#define ATOM_IIO_MOVE_INDEX 6
+#define ATOM_IIO_MOVE_ATTR 7
+#define ATOM_IIO_MOVE_DATA 8
+#define ATOM_IIO_END 9
+
+#define ATOM_IO_MM 0
+#define ATOM_IO_PCI 1
+#define ATOM_IO_SYSIO 2
+#define ATOM_IO_IIO 0x80
+
+struct card_info {
+ struct drm_device *dev;
+ void (* reg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
+ uint32_t (* reg_read)(struct card_info *, uint32_t); /* filled by driver */
+ void (* ioreg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
+ uint32_t (* ioreg_read)(struct card_info *, uint32_t); /* filled by driver */
+ void (* mc_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
+ uint32_t (* mc_read)(struct card_info *, uint32_t); /* filled by driver */
+ void (* pll_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
+ uint32_t (* pll_read)(struct card_info *, uint32_t); /* filled by driver */
+};
+
+struct atom_context {
+ struct card_info *card;
+ struct mutex mutex;
+ struct mutex scratch_mutex;
+ void *bios;
+ uint32_t cmd_table, data_table;
+ uint16_t *iio;
+
+ uint16_t data_block;
+ uint32_t fb_base;
+ uint32_t divmul[2];
+ uint16_t io_attr;
+ uint16_t reg_block;
+ uint8_t shift;
+ int cs_equal, cs_above;
+ int io_mode;
+ uint32_t *scratch;
+ int scratch_size_bytes;
+};
+
+extern int atom_debug;
+
+struct atom_context *atom_parse(struct card_info *, void *);
+int atom_execute_table(struct atom_context *, int, uint32_t *);
+int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *);
+int atom_asic_init(struct atom_context *);
+void atom_destroy(struct atom_context *);
+bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
+ uint8_t *frev, uint8_t *crev, uint16_t *data_start);
+bool atom_parse_cmd_header(struct atom_context *ctx, int index,
+ uint8_t *frev, uint8_t *crev);
+int atom_allocate_fb_scratch(struct atom_context *ctx);
+#include "atom-types.h"
+#include "atombios.h"
+#include "ObjectID.h"
+
+#endif