diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fc8150_hpi.c')
| -rw-r--r-- | drivers/media/isdbt/fc8150/fc8150_hpi.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/drivers/media/isdbt/fc8150/fc8150_hpi.c b/drivers/media/isdbt/fc8150/fc8150_hpi.c new file mode 100644 index 0000000..67d8484 --- /dev/null +++ b/drivers/media/isdbt/fc8150/fc8150_hpi.c @@ -0,0 +1,197 @@ +/***************************************************************************** + Copyright(c) 2012 FCI Inc. All Rights Reserved + + File name : fc8150_hpi.c + + Description : fc8150 host interface + +*******************************************************************************/ +#include "linux/io.h" + +#include "fci_types.h" +#include "fc8150_regs.h" +#include "fci_oal.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 BBM_BASE_ADDR 0 +#define BBM_BASE_OFFSET 0 + +#define FC8150_ADDR_REG(x) outb(x, (BBM_BASE_ADDR \ + + (BBM_ADDRESS_REG << BBM_BASE_OFFSET))) +#define FC8150_CMD_REG(x) outb(x, (BBM_BASE_ADDR \ + + (BBM_COMMAND_REG << BBM_BASE_OFFSET))) +#define FC8150_DATA_REG_OUT(x) outb(x, (BBM_BASE_ADDR \ + + (BBM_DATA_REG << BBM_BASE_OFFSET))) +#define FC8150_DATA_REG_IN inb(BBM_BASE_ADDR \ + + (BBM_DATA_REG << BBM_BASE_OFFSET)) + +int fc8150_hpi_init(HANDLE hDevice, u16 param1, u16 param2) +{ + OAL_CREATE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_byteread(HANDLE hDevice, u16 addr, u8 *data) +{ + u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + *data = FC8150_DATA_REG_IN; + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_wordread(HANDLE hDevice, u16 addr, u16 *data) +{ + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + *data = FC8150_DATA_REG_IN; + *data |= FC8150_DATA_REG_IN << 8; + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_longread(HANDLE hDevice, u16 addr, u32 *data) +{ + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + *data = FC8150_DATA_REG_IN; + *data |= FC8150_DATA_REG_IN << 8; + *data |= FC8150_DATA_REG_IN << 16; + *data |= FC8150_DATA_REG_IN << 24; + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + s32 i; + u8 command = HPIC_READ | HPIC_AINC | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + for (i = 0; i < length; i++) + data[i] = FC8150_DATA_REG_IN; + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_bytewrite(HANDLE hDevice, u16 addr, u8 data) +{ + u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + FC8150_DATA_REG_OUT(data); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_wordwrite(HANDLE hDevice, u16 addr, u16 data) +{ + u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN | HPIC_AINC; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + FC8150_DATA_REG_OUT(data & 0xff); + FC8150_DATA_REG_OUT((data & 0xff00) >> 8); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_longwrite(HANDLE hDevice, u16 addr, u32 data) +{ + u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN | HPIC_AINC; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + FC8150_DATA_REG_OUT(data & 0xff); + FC8150_DATA_REG_OUT((data & 0xff00) >> 8); + FC8150_DATA_REG_OUT((data & 0xff0000) >> 16); + FC8150_DATA_REG_OUT((data & 0xff000000) >> 24); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + s32 i; + u8 command = HPIC_WRITE | HPIC_BMODE | HPIC_ENDIAN | HPIC_AINC; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + for (i = 0; i < length; i++) + FC8150_DATA_REG_OUT(data[i]); + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_dataread(HANDLE hDevice, u16 addr, u8 *data, u32 length) +{ + s32 i; + u8 command = HPIC_READ | HPIC_BMODE | HPIC_ENDIAN; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_ADDR_REG(addr & 0xff); + FC8150_ADDR_REG((addr & 0xff00) >> 8); + FC8150_CMD_REG(command); + + for (i = 0; i < length; i++) + data[i] = FC8150_DATA_REG_IN; + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_hpi_deinit(HANDLE hDevice) +{ + OAL_DELETE_SEMAPHORE(); + + return BBM_OK; +} |