diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/atom.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h new file mode 100644 index 0000000000..5de0563b63 --- /dev/null +++ b/drivers/gpu/drm/radeon/atom.h @@ -0,0 +1,168 @@ +/* + * 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/mutex.h> +#include <linux/types.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); + +struct i2c_msg; +struct i2c_adapter; +int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg *msgs, int num); +u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap); + +#include "atom-types.h" +#include "atombios.h" +#include "ObjectID.h" + +#endif |