xref: /openbmc/linux/drivers/gpu/drm/msm/dsi/dsi_cfg.h (revision 4a075bd4)
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 
65