// 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 <drm/drm_print.h>

#include "ast_drv.h"

static void ast_2400_detect_widescreen(struct ast_device *ast)
{
        if (__ast_2100_detect_wsxga_p(ast) || ast->chip == AST1400) {
                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_2400_device_quirks = {
        .crtc_mem_req_threshold_low = 96,
        .crtc_mem_req_threshold_high = 120,
};

struct drm_device *ast_2400_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_2400_device_quirks);

        ast->dclk_table = ast_2000_dclk_table;

        ast_2300_detect_tx_chip(ast);

        if (need_post) {
                ret = ast_post_gpu(ast);
                if (ret)
                        return ERR_PTR(ret);
        }

        ret = ast_mm_init(ast);
        if (ret)
                return ERR_PTR(ret);

        /* map reserved buffer */
        ast->dp501_fw_buf = NULL;
        if (ast->vram_size < pci_resource_len(pdev, 0)) {
                ast->dp501_fw_buf = pci_iomap_range(pdev, 0, ast->vram_size, 0);
                if (!ast->dp501_fw_buf)
                        drm_info(dev, "failed to map reserved buffer!\n");
        }

        ast_2400_detect_widescreen(ast);

        ret = ast_mode_config_init(ast);
        if (ret)
                return ERR_PTR(ret);

        return dev;
}