[PATCH] I2C: documentation update 1/3
This patch just changes the extension of Documentation/i2c/chips/smsc47b397.txt
to none - to conform with naming in i2c subsystem directory.
Signed-off-by: Rudolf Marek <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
commit 2bf34a1ca9d570dd4fab4d95c4de82d873ecf718
tree 293f1c49c9b0f6bf9421905ef1c475c28ed3d496
parent 72cd799544f2b36c2f07ceaeed6d984cb130d4f3
author [email protected] <[email protected]> Thu, 26 May 2005 12:42:11 +0000
committer Greg Kroah-Hartman <[email protected]> Tue, 21 Jun 2005 21:52:02 -0700
Documentation/i2c/chips/smsc47b397 | 146 ++++++++++++++++++++++++++++++++
Documentation/i2c/chips/smsc47b397.txt | 146 --------------------------------
2 files changed, 146 insertions(+), 146 deletions(-)
diff --git a/Documentation/i2c/chips/smsc47b397 b/Documentation/i2c/chips/smsc47b397
new file mode 100644
--- /dev/null
+++ b/Documentation/i2c/chips/smsc47b397
@@ -0,0 +1,146 @@
+November 23, 2004
+
+The following specification describes the SMSC LPC47B397-NC sensor chip
+(for which there is no public datasheet available). This document was
+provided by Craig Kelly (In-Store Broadcast Network) and edited/corrected
+by Mark M. Hoffman <[email protected]>.
+
+* * * * *
+
+Methods for detecting the HP SIO and reading the thermal data on a dc7100.
+
+The thermal information on the dc7100 is contained in the SIO Hardware Monitor
+(HWM). The information is accessed through an index/data pair. The index/data
+pair is located at the HWM Base Address + 0 and the HWM Base Address + 1. The
+HWM Base address can be obtained from Logical Device 8, registers 0x60 (MSB)
+and 0x61 (LSB). Currently we are using 0x480 for the HWM Base Address and
+0x480 and 0x481 for the index/data pair.
+
+Reading temperature information.
+The temperature information is located in the following registers:
+Temp1 0x25 (Currently, this reflects the CPU temp on all systems).
+Temp2 0x26
+Temp3 0x27
+Temp4 0x80
+
+Programming Example
+The following is an example of how to read the HWM temperature registers:
+MOV DX,480H
+MOV AX,25H
+OUT DX,AL
+MOV DX,481H
+IN AL,DX
+
+AL contains the data in hex, the temperature in Celsius is the decimal
+equivalent.
+
+Ex: If AL contains 0x2A, the temperature is 42 degrees C.
+
+Reading tach information.
+The fan speed information is located in the following registers:
+ LSB MSB
+Tach1 0x28 0x29 (Currently, this reflects the CPU
+ fan speed on all systems).
+Tach2 0x2A 0x2B
+Tach3 0x2C 0x2D
+Tach4 0x2E 0x2F
+
+Important!!!
+Reading the tach LSB locks the tach MSB.
+The LSB Must be read first.
+
+How to convert the tach reading to RPM.
+The tach reading (TCount) is given by: (Tach MSB * 256) + (Tach LSB)
+The SIO counts the number of 90kHz (11.111us) pulses per revolution.
+RPM = 60/(TCount * 11.111us)
+
+Example:
+Reg 0x28 = 0x9B
+Reg 0x29 = 0x08
+
+TCount = 0x89B = 2203
+
+RPM = 60 / (2203 * 11.11111 E-6) = 2451 RPM
+
+Obtaining the SIO version.
+
+CONFIGURATION SEQUENCE
+To program the configuration registers, the following sequence must be followed:
+1. Enter Configuration Mode
+2. Configure the Configuration Registers
+3. Exit Configuration Mode.
+
+Enter Configuration Mode
+To place the chip into the Configuration State The config key (0x55) is written
+to the CONFIG PORT (0x2E).
+
+Configuration Mode
+In configuration mode, the INDEX PORT is located at the CONFIG PORT address and
+the DATA PORT is at INDEX PORT address + 1.
+
+The desired configuration registers are accessed in two steps:
+a. Write the index of the Logical Device Number Configuration Register
+ (i.e., 0x07) to the INDEX PORT and then write the number of the
+ desired logical device to the DATA PORT.
+
+b. Write the address of the desired configuration register within the
+ logical device to the INDEX PORT and then write or read the config-
+ uration register through the DATA PORT.
+
+Note: If accessing the Global Configuration Registers, step (a) is not required.
+
+Exit Configuration Mode
+To exit the Configuration State the write 0xAA to the CONFIG PORT (0x2E).
+The chip returns to the RUN State. (This is important).
+
+Programming Example
+The following is an example of how to read the SIO Device ID located at 0x20
+
+; ENTER CONFIGURATION MODE
+MOV DX,02EH
+MOV AX,055H
+OUT DX,AL
+; GLOBAL CONFIGURATION REGISTER
+MOV DX,02EH
+MOV AL,20H
+OUT DX,AL
+; READ THE DATA
+MOV DX,02FH
+IN AL,DX
+; EXIT CONFIGURATION MODE
+MOV DX,02EH
+MOV AX,0AAH
+OUT DX,AL
+
+The registers of interest for identifying the SIO on the dc7100 are Device ID
+(0x20) and Device Rev (0x21).
+
+The Device ID will read 0X6F
+The Device Rev currently reads 0x01
+
+Obtaining the HWM Base Address.
+The following is an example of how to read the HWM Base Address located in
+Logical Device 8.
+
+; ENTER CONFIGURATION MODE
+MOV DX,02EH
+MOV AX,055H
+OUT DX,AL
+; CONFIGURE REGISTER CRE0,
+; LOGICAL DEVICE 8
+MOV DX,02EH
+MOV AL,07H
+OUT DX,AL ;Point to LD# Config Reg
+MOV DX,02FH
+MOV AL, 08H
+OUT DX,AL;Point to Logical Device 8
+;
+MOV DX,02EH
+MOV AL,60H
+OUT DX,AL ; Point to HWM Base Addr MSB
+MOV DX,02FH
+IN AL,DX ; Get MSB of HWM Base Addr
+; EXIT CONFIGURATION MODE
+MOV DX,02EH
+MOV AX,0AAH
+OUT DX,AL
diff --git a/Documentation/i2c/chips/smsc47b397.txt b/Documentation/i2c/chips/smsc47b397.txt
deleted file mode 100644
--- a/Documentation/i2c/chips/smsc47b397.txt
+++ /dev/null
@@ -1,146 +0,0 @@
-November 23, 2004
-
-The following specification describes the SMSC LPC47B397-NC sensor chip
-(for which there is no public datasheet available). This document was
-provided by Craig Kelly (In-Store Broadcast Network) and edited/corrected
-by Mark M. Hoffman <[email protected]>.
-
-* * * * *
-
-Methods for detecting the HP SIO and reading the thermal data on a dc7100.
-
-The thermal information on the dc7100 is contained in the SIO Hardware Monitor
-(HWM). The information is accessed through an index/data pair. The index/data
-pair is located at the HWM Base Address + 0 and the HWM Base Address + 1. The
-HWM Base address can be obtained from Logical Device 8, registers 0x60 (MSB)
-and 0x61 (LSB). Currently we are using 0x480 for the HWM Base Address and
-0x480 and 0x481 for the index/data pair.
-
-Reading temperature information.
-The temperature information is located in the following registers:
-Temp1 0x25 (Currently, this reflects the CPU temp on all systems).
-Temp2 0x26
-Temp3 0x27
-Temp4 0x80
-
-Programming Example
-The following is an example of how to read the HWM temperature registers:
-MOV DX,480H
-MOV AX,25H
-OUT DX,AL
-MOV DX,481H
-IN AL,DX
-
-AL contains the data in hex, the temperature in Celsius is the decimal
-equivalent.
-
-Ex: If AL contains 0x2A, the temperature is 42 degrees C.
-
-Reading tach information.
-The fan speed information is located in the following registers:
- LSB MSB
-Tach1 0x28 0x29 (Currently, this reflects the CPU
- fan speed on all systems).
-Tach2 0x2A 0x2B
-Tach3 0x2C 0x2D
-Tach4 0x2E 0x2F
-
-Important!!!
-Reading the tach LSB locks the tach MSB.
-The LSB Must be read first.
-
-How to convert the tach reading to RPM.
-The tach reading (TCount) is given by: (Tach MSB * 256) + (Tach LSB)
-The SIO counts the number of 90kHz (11.111us) pulses per revolution.
-RPM = 60/(TCount * 11.111us)
-
-Example:
-Reg 0x28 = 0x9B
-Reg 0x29 = 0x08
-
-TCount = 0x89B = 2203
-
-RPM = 60 / (2203 * 11.11111 E-6) = 2451 RPM
-
-Obtaining the SIO version.
-
-CONFIGURATION SEQUENCE
-To program the configuration registers, the following sequence must be followed:
-1. Enter Configuration Mode
-2. Configure the Configuration Registers
-3. Exit Configuration Mode.
-
-Enter Configuration Mode
-To place the chip into the Configuration State The config key (0x55) is written
-to the CONFIG PORT (0x2E).
-
-Configuration Mode
-In configuration mode, the INDEX PORT is located at the CONFIG PORT address and
-the DATA PORT is at INDEX PORT address + 1.
-
-The desired configuration registers are accessed in two steps:
-a. Write the index of the Logical Device Number Configuration Register
- (i.e., 0x07) to the INDEX PORT and then write the number of the
- desired logical device to the DATA PORT.
-
-b. Write the address of the desired configuration register within the
- logical device to the INDEX PORT and then write or read the config-
- uration register through the DATA PORT.
-
-Note: If accessing the Global Configuration Registers, step (a) is not required.
-
-Exit Configuration Mode
-To exit the Configuration State the write 0xAA to the CONFIG PORT (0x2E).
-The chip returns to the RUN State. (This is important).
-
-Programming Example
-The following is an example of how to read the SIO Device ID located at 0x20
-
-; ENTER CONFIGURATION MODE
-MOV DX,02EH
-MOV AX,055H
-OUT DX,AL
-; GLOBAL CONFIGURATION REGISTER
-MOV DX,02EH
-MOV AL,20H
-OUT DX,AL
-; READ THE DATA
-MOV DX,02FH
-IN AL,DX
-; EXIT CONFIGURATION MODE
-MOV DX,02EH
-MOV AX,0AAH
-OUT DX,AL
-
-The registers of interest for identifying the SIO on the dc7100 are Device ID
-(0x20) and Device Rev (0x21).
-
-The Device ID will read 0X6F
-The Device Rev currently reads 0x01
-
-Obtaining the HWM Base Address.
-The following is an example of how to read the HWM Base Address located in
-Logical Device 8.
-
-; ENTER CONFIGURATION MODE
-MOV DX,02EH
-MOV AX,055H
-OUT DX,AL
-; CONFIGURE REGISTER CRE0,
-; LOGICAL DEVICE 8
-MOV DX,02EH
-MOV AL,07H
-OUT DX,AL ;Point to LD# Config Reg
-MOV DX,02FH
-MOV AL, 08H
-OUT DX,AL;Point to Logical Device 8
-;
-MOV DX,02EH
-MOV AL,60H
-OUT DX,AL ; Point to HWM Base Addr MSB
-MOV DX,02FH
-IN AL,DX ; Get MSB of HWM Base Addr
-; EXIT CONFIGURATION MODE
-MOV DX,02EH
-MOV AX,0AAH
-OUT DX,AL
-
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