diff options
Diffstat (limited to 'firmware/target/mips/ingenic_x1000/msc-x1000.h')
-rw-r--r-- | firmware/target/mips/ingenic_x1000/msc-x1000.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_x1000/msc-x1000.h b/firmware/target/mips/ingenic_x1000/msc-x1000.h new file mode 100644 index 0000000000..53a5b301f0 --- /dev/null +++ b/firmware/target/mips/ingenic_x1000/msc-x1000.h | |||
@@ -0,0 +1,186 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2021 Aidan MacDonald | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #ifndef __MSC_X1000_H__ | ||
23 | #define __MSC_X1000_H__ | ||
24 | |||
25 | #include "kernel.h" | ||
26 | #include "sdmmc.h" | ||
27 | #include <stdbool.h> | ||
28 | |||
29 | /* Number of MSC controllers */ | ||
30 | #define MSC_COUNT 2 | ||
31 | |||
32 | /* Media types */ | ||
33 | #define MSC_TYPE_SD 0 | ||
34 | #define MSC_TYPE_MMC 1 | ||
35 | #define MSC_TYPE_ATA 2 | ||
36 | #define MSC_TYPE_ANY 3 | ||
37 | |||
38 | /* Clock modes */ | ||
39 | #define MSC_CLK_MANUAL 0 | ||
40 | #define MSC_CLK_AUTOMATIC 1 | ||
41 | |||
42 | /* Clock status bits */ | ||
43 | #define MSC_CLKST_ENABLE (1 << 0) | ||
44 | #define MSC_CLKST_AUTO (1 << 1) | ||
45 | |||
46 | /* Driver flags */ | ||
47 | #define MSC_DF_ERRSTATE (1 << 0) | ||
48 | #define MSC_DF_READY (1 << 1) | ||
49 | #define MSC_DF_HCS_CARD (1 << 2) | ||
50 | #define MSC_DF_V2_CARD (1 << 3) | ||
51 | |||
52 | /* Request status codes */ | ||
53 | #define MSC_REQ_SUCCESS 0 | ||
54 | #define MSC_REQ_CRC_ERR 1 | ||
55 | #define MSC_REQ_CARD_ERR 2 | ||
56 | #define MSC_REQ_TIMEOUT 3 | ||
57 | #define MSC_REQ_EXTRACTED 4 | ||
58 | #define MSC_REQ_LOCKUP 5 | ||
59 | #define MSC_REQ_ERROR 6 | ||
60 | #define MSC_REQ_INCOMPLETE (-1) | ||
61 | |||
62 | /* Response types */ | ||
63 | #define MSC_RESP_NONE 0 | ||
64 | #define MSC_RESP_BUSY (1 << 7) | ||
65 | #define MSC_RESP_R1 1 | ||
66 | #define MSC_RESP_R1B (MSC_RESP_R1|MSC_RESP_BUSY) | ||
67 | #define MSC_RESP_R2 2 | ||
68 | #define MSC_RESP_R3 3 | ||
69 | #define MSC_RESP_R6 6 | ||
70 | #define MSC_RESP_R7 7 | ||
71 | |||
72 | /* Request flags */ | ||
73 | #define MSC_RF_INIT (1 << 0) | ||
74 | #define MSC_RF_ERR_CMD12 (1 << 1) | ||
75 | #define MSC_RF_AUTO_CMD12 (1 << 2) | ||
76 | #define MSC_RF_PROG (1 << 3) | ||
77 | #define MSC_RF_DATA (1 << 4) | ||
78 | #define MSC_RF_WRITE (1 << 5) | ||
79 | #define MSC_RF_ABORT (1 << 6) | ||
80 | |||
81 | /* Clock speeds */ | ||
82 | #define MSC_SPEED_INIT 400000 | ||
83 | #define MSC_SPEED_FAST 25000000 | ||
84 | #define MSC_SPEED_HIGH 50000000 | ||
85 | |||
86 | typedef struct msc_gpio_data { | ||
87 | int port; | ||
88 | int pin; | ||
89 | int active_level; | ||
90 | } msc_gpio_data; | ||
91 | |||
92 | typedef struct msc_config { | ||
93 | int msc_nr; | ||
94 | int msc_type; | ||
95 | int bus_width; | ||
96 | const char* label; | ||
97 | struct msc_gpio_data cd_gpio; | ||
98 | } msc_config; | ||
99 | |||
100 | typedef struct msc_req { | ||
101 | /* Filled by caller */ | ||
102 | int command; | ||
103 | unsigned argument; | ||
104 | int resptype; | ||
105 | int flags; | ||
106 | void* data; | ||
107 | unsigned nr_blocks; | ||
108 | unsigned block_len; | ||
109 | |||
110 | /* Filled by driver */ | ||
111 | volatile unsigned response[4]; | ||
112 | volatile int status; | ||
113 | } msc_req; | ||
114 | |||
115 | struct sd_dma_desc { | ||
116 | unsigned nda; | ||
117 | unsigned mem; | ||
118 | unsigned len; | ||
119 | unsigned cmd; | ||
120 | } __attribute__((aligned(16))); | ||
121 | |||
122 | typedef struct msc_drv { | ||
123 | int msc_nr; | ||
124 | int drive_nr; | ||
125 | const msc_config* config; | ||
126 | |||
127 | int driver_flags; | ||
128 | int clk_status; | ||
129 | unsigned cmdat_def; | ||
130 | msc_req* req; | ||
131 | unsigned iflag_done; | ||
132 | |||
133 | volatile int req_running; | ||
134 | volatile int card_present; | ||
135 | |||
136 | struct mutex lock; | ||
137 | struct semaphore cmd_done; | ||
138 | struct timeout cmd_tmo; | ||
139 | struct timeout cd_tmo; | ||
140 | struct sd_dma_desc dma_desc; | ||
141 | |||
142 | tCardInfo cardinfo; | ||
143 | } msc_drv; | ||
144 | |||
145 | /* Driver initialization, etc */ | ||
146 | extern void msc_init(void); | ||
147 | extern msc_drv* msc_get(int type, int index); | ||
148 | extern msc_drv* msc_get_by_drive(int drive_nr); | ||
149 | |||
150 | extern void msc_lock(msc_drv* d); | ||
151 | extern void msc_unlock(msc_drv* d); | ||
152 | extern void msc_full_reset(msc_drv* d); | ||
153 | extern bool msc_card_detect(msc_drv* d); | ||
154 | |||
155 | /* Controller API */ | ||
156 | extern void msc_ctl_reset(msc_drv* d); | ||
157 | extern void msc_set_clock_mode(msc_drv* d, int mode); | ||
158 | extern void msc_enable_clock(msc_drv* d, bool enable); | ||
159 | extern void msc_set_speed(msc_drv* d, int rate); | ||
160 | extern void msc_set_width(msc_drv* d, int width); | ||
161 | |||
162 | /* Request API */ | ||
163 | extern void msc_async_start(msc_drv* d, msc_req* r); | ||
164 | extern void msc_async_abort(msc_drv* d, int status); | ||
165 | extern int msc_async_wait(msc_drv* d, int timeout); | ||
166 | extern int msc_request(msc_drv* d, msc_req* r); | ||
167 | |||
168 | /* Command helpers; note these are written with SD in mind | ||
169 | * and should be reviewed before using them for MMC / CE-ATA | ||
170 | */ | ||
171 | extern int msc_cmd_exec(msc_drv* d, msc_req* r); | ||
172 | extern int msc_app_cmd_exec(msc_drv* d, msc_req* r); | ||
173 | extern int msc_cmd_go_idle_state(msc_drv* d); | ||
174 | extern int msc_cmd_send_if_cond(msc_drv* d); | ||
175 | extern int msc_cmd_app_op_cond(msc_drv* d); | ||
176 | extern int msc_cmd_all_send_cid(msc_drv* d); | ||
177 | extern int msc_cmd_send_rca(msc_drv* d); | ||
178 | extern int msc_cmd_send_csd(msc_drv* d); | ||
179 | extern int msc_cmd_select_card(msc_drv* d); | ||
180 | extern int msc_cmd_set_bus_width(msc_drv* d, int width); | ||
181 | extern int msc_cmd_set_clr_card_detect(msc_drv* d, int arg); | ||
182 | extern int msc_cmd_switch_freq(msc_drv* d); | ||
183 | extern int msc_cmd_send_status(msc_drv* d); | ||
184 | extern int msc_cmd_set_block_len(msc_drv* d, unsigned len); | ||
185 | |||
186 | #endif /* __MSC_X1000_H__ */ | ||