satip-axe/kernel/include/linux/stm/poke_table.h

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/*
* -------------------------------------------------------------------------
* Copyright (C) 2010 STMicroelectronics
* Author: Francesco M. Virlinzi <francesco.virlinzi@st.com>
*
* May be copied or modified under the terms of the GNU General Public
* License V.2 ONLY. See linux/COPYING for more information.
*
* ------------------------------------------------------------------------- */
#ifndef __STM_POKE_TABLE_H__
#define __STM_POKE_TABLE_H__
/* Opcode values */
#define OP_END_POKES 0
#define OP_POKE8 1
#define OP_POKE16 2
#define OP_POKE32 3
#define OP_OR8 4
#define OP_OR16 5
#define OP_OR32 6
#define OP_UPDATE8 7
#define OP_UPDATE16 8
#define OP_UPDATE32 9
#define OP_POKE_UPDATE32 10
#define OP_WHILE_NE8 11
#define OP_WHILE_NE16 12
#define OP_WHILE_NE32 13
#define OP_IF_EQ32 14
#define OP_IF_GT32 15
#define OP_ELSE 16
#define OP_DELAY 17
#define OP_IF_DEVID_GE 18
#define OP_IF_DEVID_LE 19
#ifdef __ASSEMBLER__
/* Poke table commands */
#define POKE8(A, VAL) .long OP_POKE8, A, VAL
#define POKE16(A, VAL) .long OP_POKE16, A, VAL
#define POKE32(A, VAL) .long OP_POKE32, A, VAL
#define OR8(A, VAL) .long OP_OR8, A, VAL
#define OR16(A, VAL) .long OP_OR16, A, VAL
#define OR32(A, VAL) .long OP_OR32, A, VAL
#define UPDATE8(A, AND, OR) .long OP_UPDATE8, A, AND, OR
#define UPDATE16(A, AND, OR) .long OP_UPDATE16, A, AND, OR
#define UPDATE32(A, AND, OR) .long OP_UPDATE32, A, AND, OR
#define POKE_UPDATE32(A1, A2, AND, SHIFT, OR) .long OP_POKE_UPDATE32,\
A1, A2, AND, SHIFT, OR
#define WHILE_NE8(A, AND, VAL) \
.long OP_WHILE_NE8, A, AND, VAL; .if (VAL > 0xFF); \
ASM_ERROR("Value VAL in WHILE_NE8 should fit in 8 bits"); .endif
#define WHILE_NE16(A, AND, VAL) .long OP_WHILE_NE16,\
A, AND, VAL; .if (VAL > 0xFFFF);\
ASM_ERROR("Value VAL in WHILE_NE16 should fit in 16 bits");\
.endif
#define WHILE_NE32(A, AND, VAL) .long OP_WHILE_NE32,\
A, AND, VAL
#define IF_EQ32(NESTLEVEL, A, AND, VAL) \
.long OP_IF_EQ32, A, AND, VAL, (NESTLEVEL ## f - .)
#define IF_GT32(NESTLEVEL, A, AND, VAL) \
.long OP_IF_GT32, A, AND, VAL, (NESTLEVEL ## f - .)
/* An explicit ELSE will skip the OP_ELSE embedded in the ENDIF
* to make things faster
*/
#define ELSE(NESTLEVEL) \
.long OP_ELSE; NESTLEVEL: ; .long (NESTLEVEL ## f - .)
/* ENDIF includes an OP_ELSE so that we end up at the correct position
* regardless of whether there is an explcit ELSE in the IF construct
*/
#define ENDIF(NESTLEVEL) \
.long OP_ELSE; NESTLEVEL: ; .long 0
#define DELAY(ITERATIONS) \
.long OP_DELAY, ITERATIONS
/* The 2nd argument to the poke loop code (in R5 for ST40, or $r0.17 for ST200)
* must be the device ID to compare against for these operations to work - the
* poke loop code does not try to retrieve the device ID itself.
*/
#define IF_DEVID_GE(NESTLEVEL, VAL) \
.long OP_IF_DEVID_GE, VAL, (NESTLEVEL ## f - .)
#define IF_DEVID_LE(NESTLEVEL, VAL) \
.long OP_IF_DEVID_LE, VAL, (NESTLEVEL ## f - .)
/* The end marker needs two extra entries which get read by the code, but are
never used.
*/
#define END_MARKER \
.long OP_END_POKES
#else
/* Poke table commands */
#define POKE8(A, VAL) OP_POKE8, A, VAL
#define POKE16(A, VAL) OP_POKE16, A, VAL
#define POKE32(A, VAL) OP_POKE32, A, VAL
#define OR8(A, VAL) OP_OR8, A, VAL
#define OR16(A, VAL) OP_OR16, A, VAL
#define OR32(A, VAL) OP_OR32, A, VAL
#define UPDATE8(A, AND, OR) OP_UPDATE8, A, AND, OR
#define UPDATE16(A, AND, OR) OP_UPDATE16, A, AND, OR
#define UPDATE32(A, AND, OR) OP_UPDATE32, A, AND, OR
#define POKE_UPDATE32(A1, A2, AND, SHIFT, OR) \
OP_POKE_UPDATE32, A1, A2, AND, SHIFT, OR
#define WHILE_NE8(A, AND, VAL) OP_WHILE_NE8, A, AND, VAL
#define WHILE_NE16(A, AND, VAL) OP_WHILE_NE16, A, AND, VAL
#define WHILE_NE32(A, AND, VAL) OP_WHILE_NE32, A, AND, VAL
#define IF_EQ32(NESTLEVEL, A, AND, VAL)
#define IF_GT32(NESTLEVEL, A, AND, VAL)
#define ELSE(NESTLEVEL)
#define ENDIF(NESTLEVEL)
#define DELAY(ITERATIONS) OP_DELAY, ITERATIONS
#define IF_DEVID_GE(NESTLEVEL, VAL)
#define IF_DEVID_LE(NESTLEVEL, VAL)
#define END_MARKER OP_END_POKES
#endif
#endif