1
2
3
4
5
6
7
8
9
10
11#ifndef __LINUX_RAWNAND_INTERNALS
12#define __LINUX_RAWNAND_INTERNALS
13
14#include <linux/mtd/rawnand.h>
15
16
17
18
19#define NAND_MFR_AMD 0x01
20#define NAND_MFR_ATO 0x9b
21#define NAND_MFR_EON 0x92
22#define NAND_MFR_ESMT 0xc8
23#define NAND_MFR_FUJITSU 0x04
24#define NAND_MFR_HYNIX 0xad
25#define NAND_MFR_INTEL 0x89
26#define NAND_MFR_MACRONIX 0xc2
27#define NAND_MFR_MICRON 0x2c
28#define NAND_MFR_NATIONAL 0x8f
29#define NAND_MFR_RENESAS 0x07
30#define NAND_MFR_SAMSUNG 0xec
31#define NAND_MFR_SANDISK 0x45
32#define NAND_MFR_STMICRO 0x20
33
34#define NAND_MFR_TOSHIBA 0x98
35#define NAND_MFR_WINBOND 0xef
36
37
38
39
40
41
42
43
44
45
46
47struct nand_manufacturer_ops {
48 void (*detect)(struct nand_chip *chip);
49 int (*init)(struct nand_chip *chip);
50 void (*cleanup)(struct nand_chip *chip);
51 void (*fixup_onfi_param_page)(struct nand_chip *chip,
52 struct nand_onfi_params *p);
53};
54
55
56
57
58
59
60
61struct nand_manufacturer_desc {
62 int id;
63 char *name;
64 const struct nand_manufacturer_ops *ops;
65};
66
67
68extern struct nand_flash_dev nand_flash_ids[];
69
70extern const struct nand_manufacturer_ops amd_nand_manuf_ops;
71extern const struct nand_manufacturer_ops esmt_nand_manuf_ops;
72extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;
73extern const struct nand_manufacturer_ops macronix_nand_manuf_ops;
74extern const struct nand_manufacturer_ops micron_nand_manuf_ops;
75extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
76extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
77
78
79extern const struct mtd_pairing_scheme dist3_pairing_scheme;
80
81
82const struct nand_manufacturer_desc *nand_get_manufacturer_desc(u8 id);
83int nand_bbm_get_next_page(struct nand_chip *chip, int page);
84int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs);
85int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr,
86 int allowbbt);
87void onfi_fill_interface_config(struct nand_chip *chip,
88 struct nand_interface_config *iface,
89 enum nand_interface_type type,
90 unsigned int timing_mode);
91unsigned int
92onfi_find_closest_sdr_mode(const struct nand_sdr_timings *spec_timings);
93int nand_choose_best_sdr_timings(struct nand_chip *chip,
94 struct nand_interface_config *iface,
95 struct nand_sdr_timings *spec_timings);
96const struct nand_interface_config *nand_get_reset_interface_config(void);
97int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
98int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
99int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf,
100 int oob_required, int page);
101int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf,
102 int oob_required, int page);
103int nand_exit_status_op(struct nand_chip *chip);
104int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf,
105 unsigned int len);
106void nand_decode_ext_id(struct nand_chip *chip);
107void panic_nand_wait(struct nand_chip *chip, unsigned long timeo);
108void sanitize_string(uint8_t *s, size_t len);
109
110static inline bool nand_has_exec_op(struct nand_chip *chip)
111{
112 if (!chip->controller || !chip->controller->ops ||
113 !chip->controller->ops->exec_op)
114 return false;
115
116 return true;
117}
118
119static inline int nand_check_op(struct nand_chip *chip,
120 const struct nand_operation *op)
121{
122 if (!nand_has_exec_op(chip))
123 return 0;
124
125 return chip->controller->ops->exec_op(chip, op, true);
126}
127
128static inline int nand_exec_op(struct nand_chip *chip,
129 const struct nand_operation *op)
130{
131 if (!nand_has_exec_op(chip))
132 return -ENOTSUPP;
133
134 if (WARN_ON(op->cs >= nanddev_ntargets(&chip->base)))
135 return -EINVAL;
136
137 return chip->controller->ops->exec_op(chip, op, false);
138}
139
140static inline bool nand_controller_can_setup_interface(struct nand_chip *chip)
141{
142 if (!chip->controller || !chip->controller->ops ||
143 !chip->controller->ops->setup_interface)
144 return false;
145
146 if (chip->options & NAND_KEEP_TIMINGS)
147 return false;
148
149 return true;
150}
151
152
153int nand_markbad_bbt(struct nand_chip *chip, loff_t offs);
154int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs);
155int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt);
156
157
158void nand_legacy_set_defaults(struct nand_chip *chip);
159void nand_legacy_adjust_cmdfunc(struct nand_chip *chip);
160int nand_legacy_check_hooks(struct nand_chip *chip);
161
162
163u16 onfi_crc16(u16 crc, u8 const *p, size_t len);
164int nand_onfi_detect(struct nand_chip *chip);
165
166
167int nand_jedec_detect(struct nand_chip *chip);
168
169#endif
170