drivers/gpu/drm/loongson/loongson_device.c

   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
  10 static 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
  19 static 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
  28 static 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
  60 static 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
  92 static 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
  98 const struct lsdc_desc *
  99 lsdc_device_probe(struct pci_dev *pdev, enum loongson_chip_id chip_id)
 100 {
 101         return __chip_id_desc_table[chip_id];
 102 }