UTS6710/drivers/i2c/ReleaseNote.txt

2013-08-08
M0I2CWriteBYTE100kFun  => DRV_I2C_M0_WRITE_BYTE_100K
M0I2CWriteBYTE400kFun  => DRV_I2C_M0_WRITE_BYTE_400K
M0I2CWriteWORD100kFun  => DRV_I2C_M0_WRITE_WORD_100K
M0I2CWriteWORD400kFun  => DRV_I2C_M0_WRITE_WORD_400K
M0I2CWriteDWORD100kFun => DRV_I2C_M0_WRITE_DWORD_100K
M0I2CWriteDWORD400kFun => DRV_I2C_M0_WRITE_DWORD_400K
M0I2CReadBYTE100kFun   => DRV_I2C_M0_READ_BYTE_100K
M0I2CReadBYTE400kFun   => DRV_I2C_M0_READ_BYTE_400K
M0I2CReadWORD100kFun   => DRV_I2C_M0_READ_WORD_100K
M0I2CReadWORD400kFun   => DRV_I2C_M0_READ_WORD_400K
M0I2CReadDWORD100kFun  => DRV_I2C_M0_READ_DWORD_100K
M0I2CReadDWORD400kFun  => DRV_I2C_M0_READ_DWORD_400K
M1I2CWriteBYTE100kFun  => DRV_I2C_M1_WRITE_BYTE_100K
M1I2CWriteBYTE400kFun  => DRV_I2C_M1_WRITE_BYTE_400K
M1I2CWriteWORD100kFun  => DRV_I2C_M1_WRITE_WORD_100K
M1I2CWriteWORD400kFun  => DRV_I2C_M1_WRITE_WORD_400K
M1I2CWriteDWORD100kFun => DRV_I2C_M1_WRITE_DWORD_100K
M1I2CWriteDWORD400kFun => DRV_I2C_M1_WRITE_DWORD_400K
M1I2CReadBYTE100kFun   => DRV_I2C_M1_READ_BYTE_100K
M1I2CReadBYTE400kFun   => DRV_I2C_M1_READ_BYTE_400K
M1I2CReadWORD100kFun   => DRV_I2C_M1_READ_WORD_100K
M1I2CReadWORD400kFun   => DRV_I2C_M1_READ_WORD_400K
M1I2CReadDWORD100kFun  => DRV_I2C_M1_READ_DWORD_100K
M1I2CReadDWORD400kFun  => DRV_I2C_M1_READ_DWORD_400K
I2CReadFun             => DRV_I2C_ReadFun
I2CWriteFun            => DRV_I2C_WriteFun
M0I2CBasicReadFun      => DRV_I2C_M0BasicReadFun
M1I2CBasicReadFun      => DRV_I2C_M1BasicReadFun
M0I2CBasicWriteFun     => DRV_I2C_M0BasicWriteFun
M1I2CBasicWriteFun     => DRV_I2C_M1BasicWriteFun
QueueCmdFun            => DRV_I2C_QueueCmdFun
RunCmdFun              => DRV_I2C_RunCmdFun

2013-08-05
remove "SIS" string
       sis316.c 	-> drv_i2c_main.c
       sis316.h 	-> drv_i2c_main.h
       gpioi2c.c 	-> drv_i2c_gpioi2c.c
       gpioi2c.h	-> drv_i2c_gpioi2c.h
2013-08-05
change kernal function to new function name
  1. sis_kmalloc() replace by  drv_kmalloc()
  2. sis_kfree()   replace by  drv_kfree() 
header: 
KERNEL/linux-2.6.35.9/include/   folder
KERNEL/linux-2.6.35.9/arch/mips/include/asm/dma-mapping.h

    sis_kmalloc						=> drv_kmalloc
	sis_kfree						=> drv_kfree
	sis_free_pages					=> drv_free_pages
	__sis_get_free_pages			=> drv_get_free_pages
	sis_driver_reserved_mem_table	=> drv_driver_reserved_mem_table
	sis_vfree						=> drv_vfree
	sis_vmalloc						=> drv_malloc
	sis_dma_pool_create				=> drv_dma_pool_create
	sis_dma_pool_destroy			=> drv_dma_pool_destroy
	sis_dma_pool_alloc				=> drv_dma_pool_alloc
	sis_dma_pool_free				=> drv_dma_pool_free
	sis_dma_alloc_coherent			=> drv_dma_alloc_coherent
	sis_dma_free_coherent			=> drv_dma_free_coherent
	SiS_driver_set_source			=> drv_reserved_mem_set_config
	SiS_driver_get_reserve_mem		=> drv_reserved_mem_get
	SiS_driver_get_reserve_mem_addr	=> drv_reserved_mem_get_addr
	SiS_driver_get_reserve_mem_size	=> drv_reserved_mem_get_size
2011-08-18 jimmy
  search key "08/18/2012"
    1. Support external HDMI switch for SiS 330 and use GPIO 21 and 22 
	   for Aux i2c read/write. 

2011-07-27 jimmy
  search key "07/27/2011"
	1. Realtop project won't change gpio pins 21 and 22 for hdmi switch. We use 20 and 22 for final board.

SiS-365 formal version
===============================
[2011-08-07 lwhite]
1. Add register_chrdev_region & unregister_chrdev_region

[2011-06-17 lwhite]
1. Enable the second I2C master

[2011-06-14 lwhite]
1. Add MX_CONTROL0_ADDR_INT_DISABLE (0xbe070000:29)

[2011-05-12 lwhite]
1. add two export functions "DRV_I2C_QueueCmdFun" & "DRV_I2C_RunCmdFun"
2. set MX_CONTROL0_BUSY_WAIT_EN on I2cInit

[2011-05-04 Troy]
1. Canceling timer function.

[2011-05-03 Troy]
1. Adding timer function.

[2011-02-22 lwhite]
1. modify codes for Suspend function (add flag "bSuspend")

[2011-01-20 lwhite]
1. I use the register 0xbe070054 (tBUF) to replace sw delay

[2011-01-14 lwhite]
1. Add 20us delay for every R/W command for hardware workaround

[2011-01-10 cdlin]
  search key "01/10/2011"
    1.The GPIO of i2c for HDMI switch is changed from GPIO 24/25 to GPIO 21/22.

[2010-12-27 lwhite]
1. Add I2CSuspend & I2CResume for FASTBOOT

[2010-09-15 lwhite]
1. Add the header file <linux/slab.h> for porting driver to Kernel-2.6.35 (for drv_kmalloc & drv_vfree)

[2010-08-17 lwhite]
1. To avoid error number of interrupt, I modified the M0_CONTROL0 value when clearing interrupt signal (non-base address READ/WRITE) in MasterI2cInterruptFun
2. Reduce the delay time (10ms->100us) when bus busy happening

[2010-06-07 lwhite]
1. Add gpioi2c.c & gpioi2c.h for software gpio i2c
2. Add GPIOI2cMutex in I2C_DEV strcture for read&write function of gpio i2c

[2010-06-02 lwhite]
1. Modify the counter of I2CBusBusy
2. Add I2C speed selection (200K and 300K)

[2010-05-27 lwhite]
1. Modify the handling process when the counter of I2CBusBusy over than 10000

[2009-04-01 lwhite]
1. Modify I2C speed(MX_CONTROL0_SCL_100K haved changed to 0x00000030, MX_CONTROL0_SCL_400K haved changed to 0x0000000B)

[2009-02-23 lwhite]
1. Add "I2C Bus Busy" timeout (if RegValue counter bigger than 10000)

[2009-02-13 lwhite]
1. Add wmb() before fire command in read/write function

[2008-11-19 lwhite]
1. Removed the related codes of timer

[2008-10-22 lwhite]
1. Removed the "#ifndef RELEASE_VER" in I2cIoctlFun()

[2008-09-24 Hayes]   1. Temporarily for HDMI switch CAT6353.[2008-09-04 Hayes]   1. Lengthen the timeout.   2. Enable IOCTL only in debug mode.[2008-08-11 Hayes]   1. Fix the timeout is too short to work normally.[2008-08-06 Hayes]   1. Replace the memory allocation function with new one.   2. Add timeout function for master0 read/write.[2008-07-10 Hayes]   1. Remove hardware reset of I2C. Bootrom would finish it.   2. Add timeout for basic function.[2008-05-26 Hayes]   1. Remove I2C_SOFTWARE_MODE_GPIO.[2007-12-25 Hayes]   1. Fix the issue that i2c process fail when reading more than one byte data.   2. Add some code for debugging.[2007-10-30 Hayes]   1. Fix that the timer counter of software I2C overflows resulting in the unexpected waiting.[2007-09-29 Hayes]   1. Add some feature to prevent the issue of I2C 400K.[2007-09-20 Hayes]   1. Improve the speed for software mode I2C.[2007-09-14 Hayes]   1. Close the message for release version.[2007-08-22 Hayes]   1. Fix the wrong definition causing I2C function fail.[2007-08-21 Hayes]   1. Support the queue of I2C writing.   2. Support the software mode for two and four bytes.[2007-08-15 Hayes]   1. Add Status parameter for software i2c function.   2. Replace the definiton of i2c mode by using SIS_I2C_MODE.   3. Remove all the old software i2c function.[2007-08-14 Hayes]   1. Add the software mode for I2C.   2. Add flag FORCE_SOFTWARE_MODE_MASTER to switch I2C to software mode.[2007-07-20 Hayes]   1. Add new ioctl IOC_I2C_MASTER_WRITE and IOC_I2C_MASTER_READ.