forked from KolibriOS/kolibrios
632 lines
15 KiB
C
632 lines
15 KiB
C
/*
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* Copyright 2011 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Alex Deucher
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*/
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#include <linux/firmware.h>
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#include "drmP.h"
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#include "radeon.h"
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#include "rv770d.h"
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#include "rv770_dpm.h"
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#include "rv770_smc.h"
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#include "atom.h"
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#include "radeon_ucode.h"
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#define FIRST_SMC_INT_VECT_REG 0xFFD8
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#define FIRST_INT_VECT_S19 0xFFC0
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static const u8 rv770_smc_int_vectors[] =
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{
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x0C, 0xD7,
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0x08, 0x2B, 0x08, 0x10,
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0x03, 0x51, 0x03, 0x51,
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0x03, 0x51, 0x03, 0x51
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};
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static const u8 rv730_smc_int_vectors[] =
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{
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x08, 0x15,
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0x08, 0x15, 0x0C, 0xBB,
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0x08, 0x30, 0x08, 0x15,
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0x03, 0x56, 0x03, 0x56,
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0x03, 0x56, 0x03, 0x56
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};
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static const u8 rv710_smc_int_vectors[] =
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{
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x08, 0x04,
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0x08, 0x04, 0x0C, 0xCB,
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0x08, 0x1F, 0x08, 0x04,
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0x03, 0x51, 0x03, 0x51,
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0x03, 0x51, 0x03, 0x51
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};
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static const u8 rv740_smc_int_vectors[] =
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{
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x08, 0x10,
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0x08, 0x10, 0x0C, 0xD7,
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0x08, 0x2B, 0x08, 0x10,
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0x03, 0x51, 0x03, 0x51,
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0x03, 0x51, 0x03, 0x51
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};
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static const u8 cedar_smc_int_vectors[] =
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{
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x11, 0x8B,
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0x0B, 0x20, 0x0B, 0x05,
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0x04, 0xF6, 0x04, 0xF6,
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0x04, 0xF6, 0x04, 0xF6
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};
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static const u8 redwood_smc_int_vectors[] =
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{
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x11, 0x8B,
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0x0B, 0x20, 0x0B, 0x05,
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0x04, 0xF6, 0x04, 0xF6,
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0x04, 0xF6, 0x04, 0xF6
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};
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static const u8 juniper_smc_int_vectors[] =
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{
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x11, 0x8B,
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0x0B, 0x20, 0x0B, 0x05,
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0x04, 0xF6, 0x04, 0xF6,
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0x04, 0xF6, 0x04, 0xF6
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};
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static const u8 cypress_smc_int_vectors[] =
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{
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x0B, 0x05,
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0x0B, 0x05, 0x11, 0x8B,
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0x0B, 0x20, 0x0B, 0x05,
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0x04, 0xF6, 0x04, 0xF6,
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0x04, 0xF6, 0x04, 0xF6
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};
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static const u8 barts_smc_int_vectors[] =
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{
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x12, 0xAA,
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0x0C, 0x2F, 0x15, 0xF6,
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0x15, 0xF6, 0x05, 0x0A,
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0x05, 0x0A, 0x05, 0x0A
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};
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static const u8 turks_smc_int_vectors[] =
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{
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x12, 0xAA,
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0x0C, 0x2F, 0x15, 0xF6,
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0x15, 0xF6, 0x05, 0x0A,
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0x05, 0x0A, 0x05, 0x0A
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};
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static const u8 caicos_smc_int_vectors[] =
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{
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x0C, 0x14,
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0x0C, 0x14, 0x12, 0xAA,
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0x0C, 0x2F, 0x15, 0xF6,
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0x15, 0xF6, 0x05, 0x0A,
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0x05, 0x0A, 0x05, 0x0A
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};
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static const u8 cayman_smc_int_vectors[] =
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{
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x12, 0x05,
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0x12, 0x05, 0x18, 0xEA,
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0x12, 0x20, 0x1C, 0x34,
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0x1C, 0x34, 0x08, 0x72,
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0x08, 0x72, 0x08, 0x72
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};
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static int rv770_set_smc_sram_address(struct radeon_device *rdev,
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u16 smc_address, u16 limit)
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{
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u32 addr;
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if (smc_address & 3)
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return -EINVAL;
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if ((smc_address + 3) > limit)
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return -EINVAL;
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addr = smc_address;
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addr |= SMC_SRAM_AUTO_INC_DIS;
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WREG32(SMC_SRAM_ADDR, addr);
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return 0;
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}
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int rv770_copy_bytes_to_smc(struct radeon_device *rdev,
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u16 smc_start_address, const u8 *src,
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u16 byte_count, u16 limit)
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{
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unsigned long flags;
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u32 data, original_data, extra_shift;
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u16 addr;
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int ret = 0;
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if (smc_start_address & 3)
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return -EINVAL;
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if ((smc_start_address + byte_count) > limit)
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return -EINVAL;
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addr = smc_start_address;
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spin_lock_irqsave(&rdev->smc_idx_lock, flags);
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while (byte_count >= 4) {
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/* SMC address space is BE */
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data = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];
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ret = rv770_set_smc_sram_address(rdev, addr, limit);
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if (ret)
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goto done;
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WREG32(SMC_SRAM_DATA, data);
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src += 4;
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byte_count -= 4;
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addr += 4;
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}
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/* RMW for final bytes */
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if (byte_count > 0) {
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data = 0;
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ret = rv770_set_smc_sram_address(rdev, addr, limit);
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if (ret)
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goto done;
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original_data = RREG32(SMC_SRAM_DATA);
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extra_shift = 8 * (4 - byte_count);
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while (byte_count > 0) {
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/* SMC address space is BE */
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data = (data << 8) + *src++;
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byte_count--;
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}
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data <<= extra_shift;
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data |= (original_data & ~((~0UL) << extra_shift));
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ret = rv770_set_smc_sram_address(rdev, addr, limit);
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if (ret)
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goto done;
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WREG32(SMC_SRAM_DATA, data);
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}
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done:
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spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
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return ret;
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}
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static int rv770_program_interrupt_vectors(struct radeon_device *rdev,
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u32 smc_first_vector, const u8 *src,
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u32 byte_count)
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{
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u32 tmp, i;
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if (byte_count % 4)
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return -EINVAL;
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if (smc_first_vector < FIRST_SMC_INT_VECT_REG) {
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tmp = FIRST_SMC_INT_VECT_REG - smc_first_vector;
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if (tmp > byte_count)
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return 0;
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byte_count -= tmp;
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src += tmp;
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smc_first_vector = FIRST_SMC_INT_VECT_REG;
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}
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for (i = 0; i < byte_count; i += 4) {
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/* SMC address space is BE */
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tmp = (src[i] << 24) | (src[i + 1] << 16) | (src[i + 2] << 8) | src[i + 3];
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WREG32(SMC_ISR_FFD8_FFDB + i, tmp);
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}
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return 0;
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}
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void rv770_start_smc(struct radeon_device *rdev)
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{
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WREG32_P(SMC_IO, SMC_RST_N, ~SMC_RST_N);
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}
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void rv770_reset_smc(struct radeon_device *rdev)
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{
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WREG32_P(SMC_IO, 0, ~SMC_RST_N);
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}
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void rv770_stop_smc_clock(struct radeon_device *rdev)
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{
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WREG32_P(SMC_IO, 0, ~SMC_CLK_EN);
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}
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void rv770_start_smc_clock(struct radeon_device *rdev)
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{
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WREG32_P(SMC_IO, SMC_CLK_EN, ~SMC_CLK_EN);
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}
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bool rv770_is_smc_running(struct radeon_device *rdev)
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{
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u32 tmp;
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tmp = RREG32(SMC_IO);
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if ((tmp & SMC_RST_N) && (tmp & SMC_CLK_EN))
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return true;
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else
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return false;
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}
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PPSMC_Result rv770_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
|
|
{
|
|
u32 tmp;
|
|
int i;
|
|
PPSMC_Result result;
|
|
|
|
if (!rv770_is_smc_running(rdev))
|
|
return PPSMC_Result_Failed;
|
|
|
|
WREG32_P(SMC_MSG, HOST_SMC_MSG(msg), ~HOST_SMC_MSG_MASK);
|
|
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(SMC_MSG) & HOST_SMC_RESP_MASK;
|
|
tmp >>= HOST_SMC_RESP_SHIFT;
|
|
if (tmp != 0)
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
tmp = RREG32(SMC_MSG) & HOST_SMC_RESP_MASK;
|
|
tmp >>= HOST_SMC_RESP_SHIFT;
|
|
|
|
result = (PPSMC_Result)tmp;
|
|
return result;
|
|
}
|
|
|
|
PPSMC_Result rv770_wait_for_smc_inactive(struct radeon_device *rdev)
|
|
{
|
|
int i;
|
|
PPSMC_Result result = PPSMC_Result_OK;
|
|
|
|
if (!rv770_is_smc_running(rdev))
|
|
return result;
|
|
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
if (RREG32(SMC_IO) & SMC_STOP_MODE)
|
|
break;
|
|
udelay(1);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void rv770_clear_smc_sram(struct radeon_device *rdev, u16 limit)
|
|
{
|
|
unsigned long flags;
|
|
u16 i;
|
|
|
|
spin_lock_irqsave(&rdev->smc_idx_lock, flags);
|
|
for (i = 0; i < limit; i += 4) {
|
|
rv770_set_smc_sram_address(rdev, i, limit);
|
|
WREG32(SMC_SRAM_DATA, 0);
|
|
}
|
|
spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
|
|
}
|
|
|
|
int rv770_load_smc_ucode(struct radeon_device *rdev,
|
|
u16 limit)
|
|
{
|
|
int ret;
|
|
const u8 *int_vect;
|
|
u16 int_vect_start_address;
|
|
u16 int_vect_size;
|
|
const u8 *ucode_data;
|
|
u16 ucode_start_address;
|
|
u16 ucode_size;
|
|
|
|
if (!rdev->smc_fw)
|
|
return -EINVAL;
|
|
|
|
rv770_clear_smc_sram(rdev, limit);
|
|
|
|
switch (rdev->family) {
|
|
case CHIP_RV770:
|
|
ucode_start_address = RV770_SMC_UCODE_START;
|
|
ucode_size = RV770_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&rv770_smc_int_vectors;
|
|
int_vect_start_address = RV770_SMC_INT_VECTOR_START;
|
|
int_vect_size = RV770_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_RV730:
|
|
ucode_start_address = RV730_SMC_UCODE_START;
|
|
ucode_size = RV730_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&rv730_smc_int_vectors;
|
|
int_vect_start_address = RV730_SMC_INT_VECTOR_START;
|
|
int_vect_size = RV730_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_RV710:
|
|
ucode_start_address = RV710_SMC_UCODE_START;
|
|
ucode_size = RV710_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&rv710_smc_int_vectors;
|
|
int_vect_start_address = RV710_SMC_INT_VECTOR_START;
|
|
int_vect_size = RV710_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_RV740:
|
|
ucode_start_address = RV740_SMC_UCODE_START;
|
|
ucode_size = RV740_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&rv740_smc_int_vectors;
|
|
int_vect_start_address = RV740_SMC_INT_VECTOR_START;
|
|
int_vect_size = RV740_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_CEDAR:
|
|
ucode_start_address = CEDAR_SMC_UCODE_START;
|
|
ucode_size = CEDAR_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&cedar_smc_int_vectors;
|
|
int_vect_start_address = CEDAR_SMC_INT_VECTOR_START;
|
|
int_vect_size = CEDAR_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_REDWOOD:
|
|
ucode_start_address = REDWOOD_SMC_UCODE_START;
|
|
ucode_size = REDWOOD_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&redwood_smc_int_vectors;
|
|
int_vect_start_address = REDWOOD_SMC_INT_VECTOR_START;
|
|
int_vect_size = REDWOOD_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_JUNIPER:
|
|
ucode_start_address = JUNIPER_SMC_UCODE_START;
|
|
ucode_size = JUNIPER_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&juniper_smc_int_vectors;
|
|
int_vect_start_address = JUNIPER_SMC_INT_VECTOR_START;
|
|
int_vect_size = JUNIPER_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_CYPRESS:
|
|
case CHIP_HEMLOCK:
|
|
ucode_start_address = CYPRESS_SMC_UCODE_START;
|
|
ucode_size = CYPRESS_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&cypress_smc_int_vectors;
|
|
int_vect_start_address = CYPRESS_SMC_INT_VECTOR_START;
|
|
int_vect_size = CYPRESS_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_BARTS:
|
|
ucode_start_address = BARTS_SMC_UCODE_START;
|
|
ucode_size = BARTS_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&barts_smc_int_vectors;
|
|
int_vect_start_address = BARTS_SMC_INT_VECTOR_START;
|
|
int_vect_size = BARTS_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_TURKS:
|
|
ucode_start_address = TURKS_SMC_UCODE_START;
|
|
ucode_size = TURKS_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&turks_smc_int_vectors;
|
|
int_vect_start_address = TURKS_SMC_INT_VECTOR_START;
|
|
int_vect_size = TURKS_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_CAICOS:
|
|
ucode_start_address = CAICOS_SMC_UCODE_START;
|
|
ucode_size = CAICOS_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&caicos_smc_int_vectors;
|
|
int_vect_start_address = CAICOS_SMC_INT_VECTOR_START;
|
|
int_vect_size = CAICOS_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
case CHIP_CAYMAN:
|
|
ucode_start_address = CAYMAN_SMC_UCODE_START;
|
|
ucode_size = CAYMAN_SMC_UCODE_SIZE;
|
|
int_vect = (const u8 *)&cayman_smc_int_vectors;
|
|
int_vect_start_address = CAYMAN_SMC_INT_VECTOR_START;
|
|
int_vect_size = CAYMAN_SMC_INT_VECTOR_SIZE;
|
|
break;
|
|
default:
|
|
DRM_ERROR("unknown asic in smc ucode loader\n");
|
|
BUG();
|
|
}
|
|
|
|
/* load the ucode */
|
|
ucode_data = (const u8 *)rdev->smc_fw->data;
|
|
ret = rv770_copy_bytes_to_smc(rdev, ucode_start_address,
|
|
ucode_data, ucode_size, limit);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* set up the int vectors */
|
|
ret = rv770_program_interrupt_vectors(rdev, int_vect_start_address,
|
|
int_vect, int_vect_size);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rv770_read_smc_sram_dword(struct radeon_device *rdev,
|
|
u16 smc_address, u32 *value, u16 limit)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
spin_lock_irqsave(&rdev->smc_idx_lock, flags);
|
|
ret = rv770_set_smc_sram_address(rdev, smc_address, limit);
|
|
if (ret == 0)
|
|
*value = RREG32(SMC_SRAM_DATA);
|
|
spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int rv770_write_smc_sram_dword(struct radeon_device *rdev,
|
|
u16 smc_address, u32 value, u16 limit)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
spin_lock_irqsave(&rdev->smc_idx_lock, flags);
|
|
ret = rv770_set_smc_sram_address(rdev, smc_address, limit);
|
|
if (ret == 0)
|
|
WREG32(SMC_SRAM_DATA, value);
|
|
spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
|
|
|
|
return ret;
|
|
}
|