drm/radeon/atom.h

0001 /*
0002  * Copyright 2008 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Author: Stanislaw Skowronek
0023  */
0024
0025 #ifndef ATOM_H
0026 #define ATOM_H
0027
0028 #include <linux/mutex.h>
0029 #include <linux/types.h>
0030
0031 #define ATOM_BIOS_MAGIC     0xAA55
0032 #define ATOM_ATI_MAGIC_PTR  0x30
0033 #define ATOM_ATI_MAGIC      " 761295520"
0034 #define ATOM_ROM_TABLE_PTR  0x48
0035
0036 #define ATOM_ROM_MAGIC      "ATOM"
0037 #define ATOM_ROM_MAGIC_PTR  4
0038
0039 #define ATOM_ROM_MSG_PTR    0x10
0040 #define ATOM_ROM_CMD_PTR    0x1E
0041 #define ATOM_ROM_DATA_PTR   0x20
0042
0043 #define ATOM_CMD_INIT       0
0044 #define ATOM_CMD_SETSCLK    0x0A
0045 #define ATOM_CMD_SETMCLK    0x0B
0046 #define ATOM_CMD_SETPCLK    0x0C
0047 #define ATOM_CMD_SPDFANCNTL 0x39
0048
0049 #define ATOM_DATA_FWI_PTR   0xC
0050 #define ATOM_DATA_IIO_PTR   0x32
0051
0052 #define ATOM_FWI_DEFSCLK_PTR    8
0053 #define ATOM_FWI_DEFMCLK_PTR    0xC
0054 #define ATOM_FWI_MAXSCLK_PTR    0x24
0055 #define ATOM_FWI_MAXMCLK_PTR    0x28
0056
0057 #define ATOM_CT_SIZE_PTR    0
0058 #define ATOM_CT_WS_PTR      4
0059 #define ATOM_CT_PS_PTR      5
0060 #define ATOM_CT_PS_MASK     0x7F
0061 #define ATOM_CT_CODE_PTR    6
0062
0063 #define ATOM_OP_CNT     123
0064 #define ATOM_OP_EOT     91
0065
0066 #define ATOM_CASE_MAGIC     0x63
0067 #define ATOM_CASE_END       0x5A5A
0068
0069 #define ATOM_ARG_REG        0
0070 #define ATOM_ARG_PS     1
0071 #define ATOM_ARG_WS     2
0072 #define ATOM_ARG_FB     3
0073 #define ATOM_ARG_ID     4
0074 #define ATOM_ARG_IMM        5
0075 #define ATOM_ARG_PLL        6
0076 #define ATOM_ARG_MC     7
0077
0078 #define ATOM_SRC_DWORD      0
0079 #define ATOM_SRC_WORD0      1
0080 #define ATOM_SRC_WORD8      2
0081 #define ATOM_SRC_WORD16     3
0082 #define ATOM_SRC_BYTE0      4
0083 #define ATOM_SRC_BYTE8      5
0084 #define ATOM_SRC_BYTE16     6
0085 #define ATOM_SRC_BYTE24     7
0086
0087 #define ATOM_WS_QUOTIENT    0x40
0088 #define ATOM_WS_REMAINDER   0x41
0089 #define ATOM_WS_DATAPTR     0x42
0090 #define ATOM_WS_SHIFT       0x43
0091 #define ATOM_WS_OR_MASK     0x44
0092 #define ATOM_WS_AND_MASK    0x45
0093 #define ATOM_WS_FB_WINDOW   0x46
0094 #define ATOM_WS_ATTRIBUTES  0x47
0095 #define ATOM_WS_REGPTR      0x48
0096
0097 #define ATOM_IIO_NOP        0
0098 #define ATOM_IIO_START      1
0099 #define ATOM_IIO_READ       2
0100 #define ATOM_IIO_WRITE      3
0101 #define ATOM_IIO_CLEAR      4
0102 #define ATOM_IIO_SET        5
0103 #define ATOM_IIO_MOVE_INDEX 6
0104 #define ATOM_IIO_MOVE_ATTR  7
0105 #define ATOM_IIO_MOVE_DATA  8
0106 #define ATOM_IIO_END        9
0107
0108 #define ATOM_IO_MM      0
0109 #define ATOM_IO_PCI     1
0110 #define ATOM_IO_SYSIO       2
0111 #define ATOM_IO_IIO     0x80
0112
0113 struct card_info {
0114     struct drm_device *dev;
0115     void (* reg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
0116         uint32_t (* reg_read)(struct card_info *, uint32_t);          /*  filled by driver */
0117     void (* ioreg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
0118         uint32_t (* ioreg_read)(struct card_info *, uint32_t);          /*  filled by driver */
0119     void (* mc_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
0120         uint32_t (* mc_read)(struct card_info *, uint32_t);          /*  filled by driver */
0121     void (* pll_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
0122         uint32_t (* pll_read)(struct card_info *, uint32_t);          /*  filled by driver */
0123 };
0124
0125 struct atom_context {
0126     struct card_info *card;
0127     struct mutex mutex;
0128     struct mutex scratch_mutex;
0129     void *bios;
0130     uint32_t cmd_table, data_table;
0131     uint16_t *iio;
0132
0133     uint16_t data_block;
0134     uint32_t fb_base;
0135     uint32_t divmul[2];
0136     uint16_t io_attr;
0137     uint16_t reg_block;
0138     uint8_t shift;
0139     int cs_equal, cs_above;
0140     int io_mode;
0141     uint32_t *scratch;
0142     int scratch_size_bytes;
0143 };
0144
0145 extern int atom_debug;
0146
0147 struct atom_context *atom_parse(struct card_info *, void *);
0148 int atom_execute_table(struct atom_context *, int, uint32_t *);
0149 int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *);
0150 int atom_asic_init(struct atom_context *);
0151 void atom_destroy(struct atom_context *);
0152 bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
0153                 uint8_t *frev, uint8_t *crev, uint16_t *data_start);
0154 bool atom_parse_cmd_header(struct atom_context *ctx, int index,
0155                uint8_t *frev, uint8_t *crev);
0156 int atom_allocate_fb_scratch(struct atom_context *ctx);
0157
0158 struct i2c_msg;
0159 struct i2c_adapter;
0160 int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
0161                 struct i2c_msg *msgs, int num);
0162 u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap);
0163
0164 #include "atom-types.h"
0165 #include "atombios.h"
0166 #include "ObjectID.h"
0167
0168 #endif