diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 16:25:27 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-06 16:25:27 -0400 |
commit | b24241a09208874d5d770bee30791daae41ad762 (patch) | |
tree | 7fbfe7905cc449a2593527b4510f15f0e5cfb392 | |
parent | 22eb5aa6c7940861f9603581665b9d9a1c60be30 (diff) | |
parent | abe213d7f6fb87f48f4324320733f666db1bc11b (diff) |
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Delete unused i2c-algo-sgi helper module
i2c: Delete many unused driver IDs
i2c: Deprecate client_register and client_unregister methods
-rw-r--r-- | Documentation/feature-removal-schedule.txt | 3 | ||||
-rw-r--r-- | drivers/i2c/algos/Kconfig | 4 | ||||
-rw-r--r-- | drivers/i2c/algos/Makefile | 1 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-sgi.c | 179 | ||||
-rw-r--r-- | include/linux/i2c-algo-sgi.h | 26 | ||||
-rw-r--r-- | include/linux/i2c-id.h | 37 | ||||
-rw-r--r-- | include/linux/i2c.h | 4 |
7 files changed, 4 insertions, 250 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 39246fc11257..7e2af10e8264 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt | |||
@@ -354,7 +354,8 @@ Who: Krzysztof Piotr Oledzki <ole@ans.pl> | |||
354 | 354 | ||
355 | --------------------------- | 355 | --------------------------- |
356 | 356 | ||
357 | What: i2c_attach_client(), i2c_detach_client(), i2c_driver->detach_client() | 357 | What: i2c_attach_client(), i2c_detach_client(), i2c_driver->detach_client(), |
358 | i2c_adapter->client_register(), i2c_adapter->client_unregister | ||
358 | When: 2.6.30 | 359 | When: 2.6.30 |
359 | Check: i2c_attach_client i2c_detach_client | 360 | Check: i2c_attach_client i2c_detach_client |
360 | Why: Deprecated by the new (standard) device driver binding model. Use | 361 | Why: Deprecated by the new (standard) device driver binding model. Use |
diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig index b788579b8227..7b2ce4a08524 100644 --- a/drivers/i2c/algos/Kconfig +++ b/drivers/i2c/algos/Kconfig | |||
@@ -14,8 +14,4 @@ config I2C_ALGOPCF | |||
14 | config I2C_ALGOPCA | 14 | config I2C_ALGOPCA |
15 | tristate "I2C PCA 9564 interfaces" | 15 | tristate "I2C PCA 9564 interfaces" |
16 | 16 | ||
17 | config I2C_ALGO_SGI | ||
18 | tristate | ||
19 | depends on SGI_IP22 || SGI_IP32 || X86_VISWS | ||
20 | |||
21 | endmenu | 17 | endmenu |
diff --git a/drivers/i2c/algos/Makefile b/drivers/i2c/algos/Makefile index cac1051bd4f1..18b3e962ec09 100644 --- a/drivers/i2c/algos/Makefile +++ b/drivers/i2c/algos/Makefile | |||
@@ -5,7 +5,6 @@ | |||
5 | obj-$(CONFIG_I2C_ALGOBIT) += i2c-algo-bit.o | 5 | obj-$(CONFIG_I2C_ALGOBIT) += i2c-algo-bit.o |
6 | obj-$(CONFIG_I2C_ALGOPCF) += i2c-algo-pcf.o | 6 | obj-$(CONFIG_I2C_ALGOPCF) += i2c-algo-pcf.o |
7 | obj-$(CONFIG_I2C_ALGOPCA) += i2c-algo-pca.o | 7 | obj-$(CONFIG_I2C_ALGOPCA) += i2c-algo-pca.o |
8 | obj-$(CONFIG_I2C_ALGO_SGI) += i2c-algo-sgi.o | ||
9 | 8 | ||
10 | ifeq ($(CONFIG_I2C_DEBUG_ALGO),y) | 9 | ifeq ($(CONFIG_I2C_DEBUG_ALGO),y) |
11 | EXTRA_CFLAGS += -DDEBUG | 10 | EXTRA_CFLAGS += -DDEBUG |
diff --git a/drivers/i2c/algos/i2c-algo-sgi.c b/drivers/i2c/algos/i2c-algo-sgi.c deleted file mode 100644 index 6eaf145e1ada..000000000000 --- a/drivers/i2c/algos/i2c-algo-sgi.c +++ /dev/null | |||
@@ -1,179 +0,0 @@ | |||
1 | /* | ||
2 | * i2c-algo-sgi.c: i2c driver algorithm used by the VINO (SGI Indy) and | ||
3 | * MACE (SGI O2) chips. | ||
4 | * | ||
5 | * This file is subject to the terms and conditions of the GNU General Public | ||
6 | * License version 2 as published by the Free Software Foundation. | ||
7 | * | ||
8 | * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> | ||
9 | */ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/module.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/errno.h> | ||
15 | #include <linux/delay.h> | ||
16 | |||
17 | #include <linux/i2c.h> | ||
18 | #include <linux/i2c-algo-sgi.h> | ||
19 | |||
20 | |||
21 | #define SGI_I2C_FORCE_IDLE (0 << 0) | ||
22 | #define SGI_I2C_NOT_IDLE (1 << 0) | ||
23 | #define SGI_I2C_WRITE (0 << 1) | ||
24 | #define SGI_I2C_READ (1 << 1) | ||
25 | #define SGI_I2C_RELEASE_BUS (0 << 2) | ||
26 | #define SGI_I2C_HOLD_BUS (1 << 2) | ||
27 | #define SGI_I2C_XFER_DONE (0 << 4) | ||
28 | #define SGI_I2C_XFER_BUSY (1 << 4) | ||
29 | #define SGI_I2C_ACK (0 << 5) | ||
30 | #define SGI_I2C_NACK (1 << 5) | ||
31 | #define SGI_I2C_BUS_OK (0 << 7) | ||
32 | #define SGI_I2C_BUS_ERR (1 << 7) | ||
33 | |||
34 | #define get_control() adap->getctrl(adap->data) | ||
35 | #define set_control(val) adap->setctrl(adap->data, val) | ||
36 | #define read_data() adap->rdata(adap->data) | ||
37 | #define write_data(val) adap->wdata(adap->data, val) | ||
38 | |||
39 | |||
40 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) | ||
41 | { | ||
42 | int i; | ||
43 | |||
44 | for (i = 0; i < adap->xfer_timeout; i++) { | ||
45 | if ((get_control() & SGI_I2C_XFER_BUSY) == 0) | ||
46 | return 0; | ||
47 | udelay(1); | ||
48 | } | ||
49 | |||
50 | return -ETIMEDOUT; | ||
51 | } | ||
52 | |||
53 | static int wait_ack(struct i2c_algo_sgi_data *adap) | ||
54 | { | ||
55 | int i; | ||
56 | |||
57 | if (wait_xfer_done(adap)) | ||
58 | return -ETIMEDOUT; | ||
59 | for (i = 0; i < adap->ack_timeout; i++) { | ||
60 | if ((get_control() & SGI_I2C_NACK) == 0) | ||
61 | return 0; | ||
62 | udelay(1); | ||
63 | } | ||
64 | |||
65 | return -ETIMEDOUT; | ||
66 | } | ||
67 | |||
68 | static int force_idle(struct i2c_algo_sgi_data *adap) | ||
69 | { | ||
70 | int i; | ||
71 | |||
72 | set_control(SGI_I2C_FORCE_IDLE); | ||
73 | for (i = 0; i < adap->xfer_timeout; i++) { | ||
74 | if ((get_control() & SGI_I2C_NOT_IDLE) == 0) | ||
75 | goto out; | ||
76 | udelay(1); | ||
77 | } | ||
78 | return -ETIMEDOUT; | ||
79 | out: | ||
80 | if (get_control() & SGI_I2C_BUS_ERR) | ||
81 | return -EIO; | ||
82 | return 0; | ||
83 | } | ||
84 | |||
85 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, | ||
86 | int rd) | ||
87 | { | ||
88 | if (rd) | ||
89 | set_control(SGI_I2C_NOT_IDLE); | ||
90 | /* Check if bus is idle, eventually force it to do so */ | ||
91 | if (get_control() & SGI_I2C_NOT_IDLE) | ||
92 | if (force_idle(adap)) | ||
93 | return -EIO; | ||
94 | /* Write out the i2c chip address and specify operation */ | ||
95 | set_control(SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); | ||
96 | if (rd) | ||
97 | addr |= 1; | ||
98 | write_data(addr); | ||
99 | if (wait_ack(adap)) | ||
100 | return -EIO; | ||
101 | return 0; | ||
102 | } | ||
103 | |||
104 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, | ||
105 | unsigned int len) | ||
106 | { | ||
107 | int i; | ||
108 | |||
109 | set_control(SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); | ||
110 | for (i = 0; i < len; i++) { | ||
111 | if (wait_xfer_done(adap)) | ||
112 | return -EIO; | ||
113 | buf[i] = read_data(); | ||
114 | } | ||
115 | set_control(SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); | ||
116 | |||
117 | return 0; | ||
118 | |||
119 | } | ||
120 | |||
121 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, | ||
122 | unsigned int len) | ||
123 | { | ||
124 | int i; | ||
125 | |||
126 | /* We are already in write state */ | ||
127 | for (i = 0; i < len; i++) { | ||
128 | write_data(buf[i]); | ||
129 | if (wait_ack(adap)) | ||
130 | return -EIO; | ||
131 | } | ||
132 | return 0; | ||
133 | } | ||
134 | |||
135 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, | ||
136 | int num) | ||
137 | { | ||
138 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; | ||
139 | struct i2c_msg *p; | ||
140 | int i, err = 0; | ||
141 | |||
142 | for (i = 0; !err && i < num; i++) { | ||
143 | p = &msgs[i]; | ||
144 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); | ||
145 | if (err || !p->len) | ||
146 | continue; | ||
147 | if (p->flags & I2C_M_RD) | ||
148 | err = i2c_read(adap, p->buf, p->len); | ||
149 | else | ||
150 | err = i2c_write(adap, p->buf, p->len); | ||
151 | } | ||
152 | |||
153 | return (err < 0) ? err : i; | ||
154 | } | ||
155 | |||
156 | static u32 sgi_func(struct i2c_adapter *adap) | ||
157 | { | ||
158 | return I2C_FUNC_SMBUS_EMUL; | ||
159 | } | ||
160 | |||
161 | static const struct i2c_algorithm sgi_algo = { | ||
162 | .master_xfer = sgi_xfer, | ||
163 | .functionality = sgi_func, | ||
164 | }; | ||
165 | |||
166 | /* | ||
167 | * registering functions to load algorithms at runtime | ||
168 | */ | ||
169 | int i2c_sgi_add_bus(struct i2c_adapter *adap) | ||
170 | { | ||
171 | adap->algo = &sgi_algo; | ||
172 | |||
173 | return i2c_add_adapter(adap); | ||
174 | } | ||
175 | EXPORT_SYMBOL(i2c_sgi_add_bus); | ||
176 | |||
177 | MODULE_AUTHOR("Ladislav Michl <ladis@linux-mips.org>"); | ||
178 | MODULE_DESCRIPTION("I2C-Bus SGI algorithm"); | ||
179 | MODULE_LICENSE("GPL"); | ||
diff --git a/include/linux/i2c-algo-sgi.h b/include/linux/i2c-algo-sgi.h deleted file mode 100644 index 3b7715024e69..000000000000 --- a/include/linux/i2c-algo-sgi.h +++ /dev/null | |||
@@ -1,26 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License version 2 as published by the Free Software Foundation. | ||
4 | * | ||
5 | * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> | ||
6 | */ | ||
7 | |||
8 | #ifndef I2C_ALGO_SGI_H | ||
9 | #define I2C_ALGO_SGI_H 1 | ||
10 | |||
11 | #include <linux/i2c.h> | ||
12 | |||
13 | struct i2c_algo_sgi_data { | ||
14 | void *data; /* private data for lowlevel routines */ | ||
15 | unsigned (*getctrl)(void *data); | ||
16 | void (*setctrl)(void *data, unsigned val); | ||
17 | unsigned (*rdata)(void *data); | ||
18 | void (*wdata)(void *data, unsigned val); | ||
19 | |||
20 | int xfer_timeout; | ||
21 | int ack_timeout; | ||
22 | }; | ||
23 | |||
24 | int i2c_sgi_add_bus(struct i2c_adapter *); | ||
25 | |||
26 | #endif /* I2C_ALGO_SGI_H */ | ||
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index f27604af8378..ee9fbc172405 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h | |||
@@ -33,47 +33,10 @@ | |||
33 | 33 | ||
34 | #define I2C_DRIVERID_MSP3400 1 | 34 | #define I2C_DRIVERID_MSP3400 1 |
35 | #define I2C_DRIVERID_TUNER 2 | 35 | #define I2C_DRIVERID_TUNER 2 |
36 | #define I2C_DRIVERID_TEA6420 5 /* audio matrix switch */ | ||
37 | #define I2C_DRIVERID_TEA6415C 6 /* video matrix switch */ | ||
38 | #define I2C_DRIVERID_TDA9840 7 /* stereo sound processor */ | ||
39 | #define I2C_DRIVERID_SAA7111A 8 /* video input processor */ | ||
40 | #define I2C_DRIVERID_SAA7185B 13 /* video encoder */ | ||
41 | #define I2C_DRIVERID_SAA7110 22 /* video decoder */ | ||
42 | #define I2C_DRIVERID_SAA5249 24 /* SAA5249 and compatibles */ | ||
43 | #define I2C_DRIVERID_TDA7432 27 /* Stereo sound processor */ | 36 | #define I2C_DRIVERID_TDA7432 27 /* Stereo sound processor */ |
44 | #define I2C_DRIVERID_TVAUDIO 29 /* Generic TV sound driver */ | 37 | #define I2C_DRIVERID_TVAUDIO 29 /* Generic TV sound driver */ |
45 | #define I2C_DRIVERID_TDA9875 32 /* TV sound decoder chip */ | ||
46 | #define I2C_DRIVERID_BT819 40 /* video decoder */ | ||
47 | #define I2C_DRIVERID_BT856 41 /* video encoder */ | ||
48 | #define I2C_DRIVERID_VPX3220 42 /* video decoder+vbi/vtxt */ | ||
49 | #define I2C_DRIVERID_ADV7175 48 /* ADV 7175/7176 video encoder */ | ||
50 | #define I2C_DRIVERID_SAA7114 49 /* video decoder */ | ||
51 | #define I2C_DRIVERID_ADV7170 54 /* video encoder */ | ||
52 | #define I2C_DRIVERID_SAA7191 57 /* video decoder */ | ||
53 | #define I2C_DRIVERID_INDYCAM 58 /* SGI IndyCam */ | ||
54 | #define I2C_DRIVERID_OVCAMCHIP 61 /* OmniVision CMOS image sens. */ | ||
55 | #define I2C_DRIVERID_SAA6752HS 67 /* MPEG2 encoder */ | ||
56 | #define I2C_DRIVERID_TVEEPROM 68 /* TV EEPROM */ | ||
57 | #define I2C_DRIVERID_WM8775 69 /* wm8775 audio processor */ | ||
58 | #define I2C_DRIVERID_CS53L32A 70 /* cs53l32a audio processor */ | ||
59 | #define I2C_DRIVERID_CX25840 71 /* cx2584x video encoder */ | ||
60 | #define I2C_DRIVERID_SAA7127 72 /* saa7127 video encoder */ | ||
61 | #define I2C_DRIVERID_SAA711X 73 /* saa711x video encoders */ | 38 | #define I2C_DRIVERID_SAA711X 73 /* saa711x video encoders */ |
62 | #define I2C_DRIVERID_INFRARED 75 /* I2C InfraRed on Video boards */ | 39 | #define I2C_DRIVERID_INFRARED 75 /* I2C InfraRed on Video boards */ |
63 | #define I2C_DRIVERID_TVP5150 76 /* TVP5150 video decoder */ | ||
64 | #define I2C_DRIVERID_WM8739 77 /* wm8739 audio processor */ | ||
65 | #define I2C_DRIVERID_UPD64083 78 /* upd64083 video processor */ | ||
66 | #define I2C_DRIVERID_UPD64031A 79 /* upd64031a video processor */ | ||
67 | #define I2C_DRIVERID_SAA717X 80 /* saa717x video encoder */ | ||
68 | #define I2C_DRIVERID_BT866 85 /* Conexant bt866 video encoder */ | ||
69 | #define I2C_DRIVERID_KS0127 86 /* Samsung ks0127 video decoder */ | ||
70 | #define I2C_DRIVERID_TLV320AIC23B 87 /* TI TLV320AIC23B audio codec */ | ||
71 | #define I2C_DRIVERID_VP27SMPX 93 /* Panasonic VP27s tuner internal MPX */ | ||
72 | #define I2C_DRIVERID_M52790 95 /* Mitsubishi M52790SP/FP AV switch */ | ||
73 | #define I2C_DRIVERID_CS5345 96 /* cs5345 audio processor */ | ||
74 | #define I2C_DRIVERID_AU8522 97 /* Auvitek au8522 */ | ||
75 | |||
76 | #define I2C_DRIVERID_OV7670 1048 /* Omnivision 7670 camera */ | ||
77 | 40 | ||
78 | /* | 41 | /* |
79 | * ---- Adapter types ---------------------------------------------------- | 42 | * ---- Adapter types ---------------------------------------------------- |
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index c86c3b07604c..00ee11eb9092 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h | |||
@@ -353,8 +353,8 @@ struct i2c_adapter { | |||
353 | void *algo_data; | 353 | void *algo_data; |
354 | 354 | ||
355 | /* --- administration stuff. */ | 355 | /* --- administration stuff. */ |
356 | int (*client_register)(struct i2c_client *); | 356 | int (*client_register)(struct i2c_client *) __deprecated; |
357 | int (*client_unregister)(struct i2c_client *); | 357 | int (*client_unregister)(struct i2c_client *) __deprecated; |
358 | 358 | ||
359 | /* data fields that are valid for all devices */ | 359 | /* data fields that are valid for all devices */ |
360 | u8 level; /* nesting level for lockdep */ | 360 | u8 level; /* nesting level for lockdep */ |