diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fc8150_i2c.c')
| -rw-r--r-- | drivers/media/isdbt/fc8150/fc8150_i2c.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/drivers/media/isdbt/fc8150/fc8150_i2c.c b/drivers/media/isdbt/fc8150/fc8150_i2c.c new file mode 100644 index 0000000..5d264c1 --- /dev/null +++ b/drivers/media/isdbt/fc8150/fc8150_i2c.c @@ -0,0 +1,237 @@ +/***************************************************************************** + Copyright(c) 2012 FCI Inc. All Rights Reserved + + File name : fc8150_i2c.c + + Description : fc8150 host interface + +*******************************************************************************/ + +#include "fci_types.h" +#include "fc8150_regs.h" +#include "fci_oal.h" +#include "fci_hal.h" + +#define HPIC_READ 0x01 /* read command */ +#define HPIC_WRITE 0x02 /* write command */ +#define HPIC_AINC 0x04 /* address increment */ +#define HPIC_BMODE 0x00 /* byte mode */ +#define HPIC_WMODE 0x10 /* word mode */ +#define HPIC_LMODE 0x20 /* long mode */ +#define HPIC_ENDIAN 0x00 /* little endian */ +#define HPIC_CLEAR 0x80 /* currently not used */ + +#define CHIP_ADDR 0x58 + +static int i2c_bulkread(HANDLE hDevice, u8 chip, u8 addr, u8 *data, u16 length) +{ + /* Write your own i2c driver code here for read operation. */ + + return BBM_OK; +} + +static int i2c_bulkwrite(HANDLE hDevice, u8 chip, u8 addr, u8 *data, u16 length) +{ + /* Write your own i2c driver code here for Write operation. */ + + return BBM_OK; +} + +static int i2c_dataread(HANDLE hDevice, u8 chip, u8 addr, u8 *data, u32 length) +{ + return i2c_bulkread(hDevice, chip, addr, data, length); +} + +int fc8150_bypass_read(HANDLE hDevice, u8 chip, u8 addr, u8 *data, u16 length) +{ + int res; + u8 bypass_addr = 0x03; + u8 bypass_data = 1; + u8 bypass_len = 1; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, bypass_addr + , &bypass_data, bypass_len); + res |= i2c_bulkread(hDevice, chip, addr, data, length); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_bypass_write(HANDLE hDevice, u8 chip, u8 addr, u8 *data, u16 length) +{ + int res; + u8 bypass_addr = 0x03; + u8 bypass_data = 1; + u8 bypass_len = 1; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, bypass_addr + , &bypass_data, bypass_len); + res |= i2c_bulkwrite(hDevice, chip, addr, data, length); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_init(HANDLE hDevice, u16 param1, u16 param2) +{ + OAL_CREATE_SEMAPHORE(); + + /* for TSIF, you can call here your own TSIF initialization function. */ + /* tsif_initialize(); */ + + bbm_write(hDevice, BBM_TS_CLK_DIV, 0x04); + bbm_write(hDevice, BBM_TS_PAUSE, 0x80); + + bbm_write(hDevice, BBM_TS_CTRL, 0x02); + bbm_write(hDevice, BBM_TS_SEL, 0x84); + + return BBM_OK; +} + +int fc8150_i2c_byteread(HANDLE hDevice, u16 addr, u8 *data) +{ + int res; + u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkread(hDevice, CHIP_ADDR, BBM_DATA_REG, data, 1); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_wordread(HANDLE hDevice, u16 addr, u16 *data) +{ + int res; + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkread(hDevice, CHIP_ADDR, BBM_DATA_REG, (u8 *)data, 2); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_longread(HANDLE hDevice, u16 addr, u32 *data) +{ + int res; + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkread(hDevice, CHIP_ADDR, BBM_DATA_REG, (u8 *)data, 4); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int res; + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkread(hDevice, CHIP_ADDR, BBM_DATA_REG, data, length); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_bytewrite(HANDLE hDevice, u16 addr, u8 data) +{ + int res; + u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_DATA_REG, (u8 *)&data, 1); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_wordwrite(HANDLE hDevice, u16 addr, u16 data) +{ + int res; + u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_DATA_REG, (u8 *)&data, 2); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_longwrite(HANDLE hDevice, u16 addr, u32 data) +{ + int res; + u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_DATA_REG, (u8 *)&data, 4); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int res; + u8 command = HPIC_WRITE | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_DATA_REG, data, length); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_dataread(HANDLE hDevice, u16 addr, u8 *data, u32 length) +{ + int res; + u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + res = i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_ADDRESS_REG + , (u8 *)&addr, 2); + res |= i2c_bulkwrite(hDevice, CHIP_ADDR, BBM_COMMAND_REG, &command, 1); + res |= i2c_dataread(hDevice, CHIP_ADDR, BBM_DATA_REG, data, length); + OAL_RELEASE_SEMAPHORE(); + + return res; +} + +int fc8150_i2c_deinit(HANDLE hDevice) +{ + bbm_write(hDevice, BBM_TS_SEL, 0x00); + + /* tsif_disable(); */ + + OAL_DELETE_SEMAPHORE(); + + return BBM_OK; +} |