drivers/gpu/drm/msm/dsi/dsi_cfg.h

   1 /*
   2  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 and
   6  * only version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __MSM_DSI_CFG_H__
  15 #define __MSM_DSI_CFG_H__
  16
  17 #include "dsi.h"
  18
  19 #define MSM_DSI_VER_MAJOR_V2    0x02
  20 #define MSM_DSI_VER_MAJOR_6G    0x03
  21 #define MSM_DSI_6G_VER_MINOR_V1_0       0x10000000
  22 #define MSM_DSI_6G_VER_MINOR_V1_1       0x10010000
  23 #define MSM_DSI_6G_VER_MINOR_V1_1_1     0x10010001
  24 #define MSM_DSI_6G_VER_MINOR_V1_2       0x10020000
  25 #define MSM_DSI_6G_VER_MINOR_V1_3       0x10030000
  26 #define MSM_DSI_6G_VER_MINOR_V1_3_1     0x10030001
  27 #define MSM_DSI_6G_VER_MINOR_V1_4_1     0x10040001
  28 #define MSM_DSI_6G_VER_MINOR_V2_2_1     0x20020001
  29
  30 #define MSM_DSI_V2_VER_MINOR_8064       0x0
  31
  32 #define DSI_6G_REG_SHIFT        4
  33
  34 struct msm_dsi_config {
  35         u32 io_offset;
  36         struct dsi_reg_config reg_cfg;
  37         const char * const *bus_clk_names;
  38         const int num_bus_clks;
  39         const resource_size_t io_start[DSI_MAX];
  40         const int num_dsi;
  41 };
  42
  43 struct msm_dsi_host_cfg_ops {
  44         int (*link_clk_enable)(struct msm_dsi_host *msm_host);
  45         void (*link_clk_disable)(struct msm_dsi_host *msm_host);
  46         int (*clk_init_ver)(struct msm_dsi_host *msm_host);
  47         int (*tx_buf_alloc)(struct msm_dsi_host *msm_host, int size);
  48         void* (*tx_buf_get)(struct msm_dsi_host *msm_host);
  49         void (*tx_buf_put)(struct msm_dsi_host *msm_host);
  50         int (*dma_base_get)(struct msm_dsi_host *msm_host, uint64_t *iova);
  51         int (*calc_clk_rate)(struct msm_dsi_host *msm_host, bool is_dual_dsi);
  52 };
  53
  54 struct msm_dsi_cfg_handler {
  55         u32 major;
  56         u32 minor;
  57         const struct msm_dsi_config *cfg;
  58         const struct msm_dsi_host_cfg_ops *ops;
  59 };
  60
  61 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor);
  62
  63 #endif /* __MSM_DSI_CFG_H__ */
  64