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// SPDX-License-Identifier: MIT
/*
* Copyright 2012 Red Hat 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include "ast_drv.h"
#include "ast_post.h"
/*
* POST
*/
void ast_2600_set_def_ext_reg(struct ast_device *ast)
{
static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
u8 i, index, reg;
const u8 *ext_reg_info;
/* reset scratch */
for (i = 0x81; i <= 0x9f; i++)
ast_set_index_reg(ast, AST_IO_VGACRI, i, 0x00);
ext_reg_info = extreginfo;
index = 0xa0;
while (*ext_reg_info != 0xff) {
ast_set_index_reg_mask(ast, AST_IO_VGACRI, index, 0x00, *ext_reg_info);
index++;
ext_reg_info++;
}
/* disable standard IO/MEM decode if secondary */
/* ast_set_index_reg-mask(ast, AST_IO_VGACRI, 0xa1, 0xff, 0x3); */
/* Set Ext. Default */
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x8c, 0x00, 0x01);
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0x00, 0x00);
/* Enable RAMDAC for A1 */
reg = 0x04;
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xff, reg);
}
int ast_2600_post(struct ast_device *ast)
{
ast_2600_set_def_ext_reg(ast);
if (ast->tx_chip == AST_TX_ASTDP)
return ast_dp_launch(ast);
return 0;
}
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