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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 <linux/pci.h>
#include <drm/drm_drv.h>
#include "ast_drv.h"
#include "ast_post.h"
/*
* POST
*/
int ast_2600_post(struct ast_device *ast)
{
ast_2300_set_def_ext_reg(ast);
if (ast->tx_chip == AST_TX_ASTDP)
return ast_dp_launch(ast);
return 0;
}
/*
* Device initialization
*/
static void ast_2600_detect_widescreen(struct ast_device *ast)
{
ast->support_wsxga_p = true;
ast->support_fullhd = true;
if (__ast_2100_detect_wuxga(ast))
ast->support_wuxga = true;
}
static const struct ast_device_quirks ast_2600_device_quirks = {
.crtc_mem_req_threshold_low = 160,
.crtc_mem_req_threshold_high = 224,
.crtc_hsync_precatch_needed = true,
.crtc_hsync_add4_needed = true,
};
struct drm_device *ast_2600_device_create(struct pci_dev *pdev,
const struct drm_driver *drv,
enum ast_chip chip,
enum ast_config_mode config_mode,
void __iomem *regs,
void __iomem *ioregs,
bool need_post)
{
struct drm_device *dev;
struct ast_device *ast;
int ret;
ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base);
if (IS_ERR(ast))
return ERR_CAST(ast);
dev = &ast->base;
ast_device_init(ast, chip, config_mode, regs, ioregs, &ast_2600_device_quirks);
ast->dclk_table = ast_2500_dclk_table;
ast_2300_detect_tx_chip(ast);
switch (ast->tx_chip) {
case AST_TX_ASTDP:
ret = ast_post_gpu(ast);
break;
default:
ret = 0;
if (need_post)
ret = ast_post_gpu(ast);
break;
}
if (ret)
return ERR_PTR(ret);
ret = ast_mm_init(ast);
if (ret)
return ERR_PTR(ret);
ast_2600_detect_widescreen(ast);
ret = ast_mode_config_init(ast);
if (ret)
return ERR_PTR(ret);
return dev;
}
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