1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/gpu/drm/loongson/loongson_device.c b/drivers/gpu/drm/loongson/loongson_device.c
new file mode 100644
index 000000000000..9986c8a2a255
--- /dev/null
+++ b/drivers/gpu/drm/loongson/loongson_device.c
@@ -0,0 +1,102 @@
+// 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];
+}