| /* |
| <:copyright-BRCM:2016:DUAL/GPL:standard |
| |
| Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| All Rights Reserved |
| |
| Unless you and Broadcom execute a separate written software license |
| agreement governing use of this software, this software is licensed |
| to you under the terms of the GNU General Public License version 2 |
| (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| with the following added to such license: |
| |
| As a special exception, the copyright holders of this software give |
| you permission to link this software with independent modules, and |
| to copy and distribute the resulting executable under terms of your |
| choice, provided that you also meet, for each linked independent |
| module, the terms and conditions of the license of that module. |
| An independent module is a module which is not derived from this |
| software. The special exception does not apply to any modifications |
| of the software. |
| |
| Not withstanding the above, under no circumstances may you combine |
| this software in any way with any other Broadcom software provided |
| under a license other than the GPL, without Broadcom's express prior |
| written consent. |
| |
| :> |
| */ |
| |
| #ifndef _BCMOLT_I2C_DEVS_H_ |
| #define _BCMOLT_I2C_DEVS_H_ |
| |
| /* When inserting the module (with insmod) onlt the I2C switch devices (I2C_SWX_I2C_ADDR) |
| will be automatically detected, and therefore will be probed. |
| Probing all other devices can be done after inerting the module via sysfs. |
| for example, in order to probe FPGA device, the following line should be applied: |
| -- echo maple_i2c FPGA_I2C_ADDR > /sys/bus/i2c/devices/i2c-0/new_device -- |
| */ |
| enum client_num |
| { |
| SLAVE_SWITCH_70 = 0, |
| SLAVE_SWITCH_71 = 1, |
| SLAVE_SWITCH_72 = 2, |
| SLAVE_SWITCH_73 = 3, |
| SLAVE_SWITCH_74 = 4, |
| SLAVE_SFP_50 = 5, |
| SLAVE_SFP_51 = 6, |
| SLAVE_FPGA_40 = 7, |
| SLAVE_PON_DPLL_68 = 8, |
| SLAVE_PM_DPLL_6A = 9, |
| SLAVE_CXP_R_54 = 10, |
| SLAVE_PCIE_SW_3C = 11, |
| SLAVE_NUM_OF_SLAVES |
| }; |
| |
| |
| /***************************************************************** |
| maple_i2c_write |
| |
| DESCRIPTION: |
| Writes serially data to I2C device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| buf - The buffer to write. |
| count - Number of bytes to write |
| |
| OUTPUT: |
| The number of bytes that were written, when fails return negative number |
| ********************************************************************/ |
| ssize_t maple_i2c_write(unsigned char client_num, char *buf, size_t count); |
| |
| /***************************************************************** |
| maple_i2c_read |
| |
| DESCRIPTION: |
| Read serially data from I2C device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| buf - The buffer to read to. |
| count - Number of bytes to read |
| |
| OUTPUT: |
| The number of bytes that were read, when fails return negative number |
| ********************************************************************/ |
| ssize_t maple_i2c_read(unsigned char client_num, char *buf, size_t count); |
| |
| /***************************************************************** |
| maple_i2c_write_byte |
| |
| DESCRIPTION: |
| Write byte to I2C device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| offset - The offset to write to. |
| val - Tha data to write. |
| |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_write_byte(unsigned char client_num, unsigned char offset, unsigned char val); |
| |
| /***************************************************************** |
| maple_i2c_read_byte |
| |
| DESCRIPTION: |
| Read byte from I2C device |
| |
| PARAMETERS: |
| client num - The client to read from. |
| offset - The offset to read from. |
| data - the read value is written to this pointer. |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_read_byte(unsigned char client_num, unsigned char offset, unsigned char* data); |
| |
| /***************************************************************** |
| maple_i2c_write_word |
| |
| DESCRIPTION: |
| Write 16 bit word to I2C device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| offset - The offset to write to. |
| val - Tha data to write. |
| |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_write_word(unsigned char client_num, unsigned char offset, unsigned short val); |
| |
| /***************************************************************** |
| maple_i2c_read_word |
| |
| DESCRIPTION: |
| Read 16 bit word from I2C device |
| |
| PARAMETERS: |
| client num - The client to read from. |
| offset - The offset to read from. |
| data - the read value is written to this pointer. |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_read_word(unsigned char client_num, unsigned char offset, unsigned short* data); |
| |
| /***************************************************************** |
| maple_i2c_write_reg |
| |
| DESCRIPTION: |
| Write 32 bit register to I2C device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| offset - The offset to write to. |
| val - Tha data to write. |
| |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_write_reg(unsigned char client_num, unsigned char offset, int val); |
| |
| /***************************************************************** |
| maple_i2c_read_reg |
| |
| DESCRIPTION: |
| Read 32 bit word from I2C device |
| |
| PARAMETERS: |
| client num - The client to read from. |
| offset - The offset to read from. |
| data - the read value is written to this pointer. |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_read_reg(unsigned char client_num, unsigned char offset, unsigned int* data); |
| |
| /***************************************************************** |
| maple_i2c_write_fpga |
| |
| DESCRIPTION: |
| Write 32 bit register to I2C fpga device |
| |
| PARAMETERS: |
| client num - The client to write to. |
| offset - The offset to write to. |
| val - Tha data to write. |
| |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_write_fpga(unsigned char client_num, unsigned int offset, unsigned int val); |
| |
| /***************************************************************** |
| maple_i2c_read_fpga |
| |
| DESCRIPTION: |
| Read 32 bit word from I2C fpga device |
| |
| PARAMETERS: |
| client num - The client to read from. |
| offset - The offset to read from. |
| data - the read value is written to this pointer. |
| OUTPUT: |
| 0 on success, -1 on failure. |
| ********************************************************************/ |
| int maple_i2c_read_fpga(unsigned char client_num, unsigned int offset, unsigned int* data); |
| |
| /***************************************************************** |
| maple_i2c_get_client |
| |
| DESCRIPTION: |
| Gets an I2C client number from an address |
| |
| PARAMETERS: |
| addr - The address of the client. |
| OUTPUT: |
| The client number for this client, or SLAVE_NUM_OF_SLAVES on failure. |
| ********************************************************************/ |
| enum client_num maple_i2c_get_client(unsigned int addr); |
| |
| #endif /* _MAPLE_I2C_DEVS_H_ */ |