root/drivers/gpu/drm/loongson/loongson_device.c
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2023 Loongson Technology Corporation Limited
 */

#include <linux/pci.h>

#include "lsdc_drv.h"

static const struct lsdc_kms_funcs ls7a1000_kms_funcs = {
        .create_i2c = lsdc_create_i2c_chan,
        .irq_handler = ls7a1000_dc_irq_handler,
        .output_init = ls7a1000_output_init,
        .cursor_plane_init = ls7a1000_cursor_plane_init,
        .primary_plane_init = lsdc_primary_plane_init,
        .crtc_init = ls7a1000_crtc_init,
};

static const struct lsdc_kms_funcs ls7a2000_kms_funcs = {
        .create_i2c = lsdc_create_i2c_chan,
        .irq_handler = ls7a2000_dc_irq_handler,
        .output_init = ls7a2000_output_init,
        .cursor_plane_init = ls7a2000_cursor_plane_init,
        .primary_plane_init = lsdc_primary_plane_init,
        .crtc_init = ls7a2000_crtc_init,
};

static const struct loongson_gfx_desc ls7a1000_gfx = {
        .dc = {
                .num_of_crtc = 2,
                .max_pixel_clk = 200000,
                .max_width = 2048,
                .max_height = 2048,
                .num_of_hw_cursor = 1,
                .hw_cursor_w = 32,
                .hw_cursor_h = 32,
                .pitch_align = 256,
                .has_vblank_counter = false,
                .funcs = &ls7a1000_kms_funcs,
        },
        .conf_reg_base = LS7A1000_CONF_REG_BASE,
        .gfxpll = {
                .reg_offset = LS7A1000_PLL_GFX_REG,
                .reg_size = 8,
        },
        .pixpll = {
                [0] = {
                        .reg_offset = LS7A1000_PIXPLL0_REG,
                        .reg_size = 8,
                },
                [1] = {
                        .reg_offset = LS7A1000_PIXPLL1_REG,
                        .reg_size = 8,
                },
        },
        .chip_id = CHIP_LS7A1000,
        .model = "LS7A1000 bridge chipset",
};

static const struct loongson_gfx_desc ls7a2000_gfx = {
        .dc = {
                .num_of_crtc = 2,
                .max_pixel_clk = 350000,
                .max_width = 4096,
                .max_height = 4096,
                .num_of_hw_cursor = 2,
                .hw_cursor_w = 64,
                .hw_cursor_h = 64,
                .pitch_align = 64,
                .has_vblank_counter = true,
                .funcs = &ls7a2000_kms_funcs,
        },
        .conf_reg_base = LS7A2000_CONF_REG_BASE,
        .gfxpll = {
                .reg_offset = LS7A2000_PLL_GFX_REG,
                .reg_size = 8,
        },
        .pixpll = {
                [0] = {
                        .reg_offset = LS7A2000_PIXPLL0_REG,
                        .reg_size = 8,
                },
                [1] = {
                        .reg_offset = LS7A2000_PIXPLL1_REG,
                        .reg_size = 8,
                },
        },
        .chip_id = CHIP_LS7A2000,
        .model = "LS7A2000 bridge chipset",
};

static const struct lsdc_desc *__chip_id_desc_table[] = {
        [CHIP_LS7A1000] = &ls7a1000_gfx.dc,
        [CHIP_LS7A2000] = &ls7a2000_gfx.dc,
        [CHIP_LS_LAST] = NULL,
};

const struct lsdc_desc *
lsdc_device_probe(struct pci_dev *pdev, enum loongson_chip_id chip_id)
{
        return __chip_id_desc_table[chip_id];
}