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/*
* 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;
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 amdgpu_atom_debug;
struct atom_context *amdgpu_atom_parse(struct card_info *, void *);
int amdgpu_atom_execute_table(struct atom_context *, int, uint32_t *);
int amdgpu_atom_asic_init(struct atom_context *);
void amdgpu_atom_destroy(struct atom_context *);
bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
uint8_t *frev, uint8_t *crev, uint16_t *data_start);
bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index,
uint8_t *frev, uint8_t *crev);
int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx);
#include "atom-types.h"
#include "atombios.h"
#include "ObjectID.h"
#endif
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