1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2023 Loongson Technology Corporation Limited
4 */
5
6#include <linux/pci.h>
7
8#include "lsdc_drv.h"
9
10static const struct lsdc_kms_funcs ls7a1000_kms_funcs = {
11 .create_i2c = lsdc_create_i2c_chan,
12 .irq_handler = ls7a1000_dc_irq_handler,
13 .output_init = ls7a1000_output_init,
14 .cursor_plane_init = ls7a1000_cursor_plane_init,
15 .primary_plane_init = lsdc_primary_plane_init,
16 .crtc_init = ls7a1000_crtc_init,
17};
18
19static const struct lsdc_kms_funcs ls7a2000_kms_funcs = {
20 .create_i2c = lsdc_create_i2c_chan,
21 .irq_handler = ls7a2000_dc_irq_handler,
22 .output_init = ls7a2000_output_init,
23 .cursor_plane_init = ls7a2000_cursor_plane_init,
24 .primary_plane_init = lsdc_primary_plane_init,
25 .crtc_init = ls7a2000_crtc_init,
26};
27
28static const struct loongson_gfx_desc ls7a1000_gfx = {
29 .dc = {
30 .num_of_crtc = 2,
31 .max_pixel_clk = 200000,
32 .max_width = 2048,
33 .max_height = 2048,
34 .num_of_hw_cursor = 1,
35 .hw_cursor_w = 32,
36 .hw_cursor_h = 32,
37 .pitch_align = 256,
38 .has_vblank_counter = false,
39 .funcs = &ls7a1000_kms_funcs,
40 },
41 .conf_reg_base = LS7A1000_CONF_REG_BASE,
42 .gfxpll = {
43 .reg_offset = LS7A1000_PLL_GFX_REG,
44 .reg_size = 8,
45 },
46 .pixpll = {
47 [0] = {
48 .reg_offset = LS7A1000_PIXPLL0_REG,
49 .reg_size = 8,
50 },
51 [1] = {
52 .reg_offset = LS7A1000_PIXPLL1_REG,
53 .reg_size = 8,
54 },
55 },
56 .chip_id = CHIP_LS7A1000,
57 .model = "LS7A1000 bridge chipset",
58};
59
60static const struct loongson_gfx_desc ls7a2000_gfx = {
61 .dc = {
62 .num_of_crtc = 2,
63 .max_pixel_clk = 350000,
64 .max_width = 4096,
65 .max_height = 4096,
66 .num_of_hw_cursor = 2,
67 .hw_cursor_w = 64,
68 .hw_cursor_h = 64,
69 .pitch_align = 64,
70 .has_vblank_counter = true,
71 .funcs = &ls7a2000_kms_funcs,
72 },
73 .conf_reg_base = LS7A2000_CONF_REG_BASE,
74 .gfxpll = {
75 .reg_offset = LS7A2000_PLL_GFX_REG,
76 .reg_size = 8,
77 },
78 .pixpll = {
79 [0] = {
80 .reg_offset = LS7A2000_PIXPLL0_REG,
81 .reg_size = 8,
82 },
83 [1] = {
84 .reg_offset = LS7A2000_PIXPLL1_REG,
85 .reg_size = 8,
86 },
87 },
88 .chip_id = CHIP_LS7A2000,
89 .model = "LS7A2000 bridge chipset",
90};
91
92static const struct lsdc_desc *__chip_id_desc_table[] = {
93 [CHIP_LS7A1000] = &ls7a1000_gfx.dc,
94 [CHIP_LS7A2000] = &ls7a2000_gfx.dc,
95 [CHIP_LS_LAST] = NULL,
96};
97
98const struct lsdc_desc *
99lsdc_device_probe(struct pci_dev *pdev, enum loongson_chip_id chip_id)
100{
101 return __chip_id_desc_table[chip_id];
102}
103

source code of linux/drivers/gpu/drm/loongson/loongson_device.c