diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fc8150_spib.c')
| -rw-r--r-- | drivers/media/isdbt/fc8150/fc8150_spib.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/media/isdbt/fc8150/fc8150_spib.c b/drivers/media/isdbt/fc8150/fc8150_spib.c new file mode 100644 index 0000000..b2feccb --- /dev/null +++ b/drivers/media/isdbt/fc8150/fc8150_spib.c @@ -0,0 +1,210 @@ +/***************************************************************************** + Copyright(c) 2012 FCI Inc. All Rights Reserved + + File name : fc8150_spib.c + + Description : fc8150 host interface + +*******************************************************************************/ +#include "fci_types.h" +#include "fc8150_regs.h" +#include "fci_oal.h" + +#define SPI_BMODE 0x00 +#define SPI_WMODE 0x10 +#define SPI_LMODE 0x20 +#define SPI_READ 0x40 +#define SPI_WRITE 0x00 +#define SPI_AINC 0x80 +#define CHIPID (0 << 3) + +static int spi_bulkread(HANDLE hDevice, u16 addr +, u8 command, u8 *data, u16 length) +{ + /*unsigned char *cmd; + + cmd = g_SpiCmd; + + cmd[0] = addr & 0xff; + cmd[1] = (addr >> 8) & 0xff; + cmd[2] = (command & 0xf0) | CHIPID | ((length >> 16) & 0x07); + cmd[3] = (length >> 8) & 0xff; + cmd[4] = length & 0xff; + + spi_cmd.pCmd = cmd; + spi_cmd.cmdSize = 5; + spi_cmd.pData = g_SpiData; + spi_cmd.dataSize = length; + + // Send Command and data through the SPI + if (SPID_SendCommand_ByteRead(&spid, &spi_cmd)) + return BBM_NOK; + + memcpy(data, g_SpiData, length);*/ + + return BBM_OK; +} + +static int spi_bulkwrite(HANDLE hDevice, u16 addr + , u8 command, u8 *data, u16 length) +{ + /*unsigned char *cmd; + + cmd = g_SpiCmd; + + cmd[0] = addr & 0xff; + cmd[1] = (addr >> 8) & 0xff; + cmd[2] = (command & 0xf0) | CHIPID | ((length >> 16) & 0x07); + cmd[3] = (length >> 8) & 0xff; + cmd[4] = length & 0xff; + + spi_cmd.pCmd = cmd; + spi_cmd.cmdSize = 5; + spi_cmd.pData = g_SpiData; + memcpy(g_SpiData, data, length); + spi_cmd.dataSize = length; + + // Send Command and data through the SPI + if (SPID_SendCommand_ByteWrite(&spid, &spi_cmd)) + return BBM_NOK;*/ + + return BBM_OK; +} + +static int spi_dataread(HANDLE hDevice, u16 addr + , u8 command, u8 *data, u32 length) +{ + /*unsigned char *cmd; + + cmd = g_SpiCmd; + + cmd[0] = addr & 0xff; + cmd[1] = (addr >> 8) & 0xff; + cmd[2] = (command & 0xf0) | CHIPID | ((length >> 16) & 0x07); + cmd[3] = (length >> 8) & 0xff; + cmd[4] = length & 0xff; + + spi_cmd.pCmd = cmd; + spi_cmd.cmdSize = 5; + spi_cmd.pData = data; + spi_cmd.dataSize = length; + + // Send Command and data through the SPI + if (SPID_SendCommand_ByteRead(&spid, &spi_cmd)) + return BBM_NOK;*/ + + return BBM_OK; +} + +int fc8150_spib_init(HANDLE hDevice, u16 param1, u16 param2) +{ + OAL_CREATE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_spib_byteread(HANDLE hDevice, u16 addr, u8 *data) +{ + int res; + u8 command = SPI_READ; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkread(hDevice, addr, command, data, 1); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_wordread(HANDLE hDevice, u16 addr, u16 *data) +{ + int res; + u8 command = SPI_READ | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkread(hDevice, addr, command, (u8 *)data, 2); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_longread(HANDLE hDevice, u16 addr, u32 *data) +{ + int res; + u8 command = SPI_READ | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkread(hDevice, addr, command, (u8 *)data, 4); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int res; + u8 command = SPI_READ | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkread(hDevice, addr, command, data, length); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_bytewrite(HANDLE hDevice, u16 addr, u8 data) +{ + int res; + u8 command = SPI_WRITE; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkwrite(hDevice, addr, command, (u8 *)&data, 1); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_wordwrite(HANDLE hDevice, u16 addr, u32 data) +{ + int res; + u8 command = SPI_WRITE | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkwrite(hDevice, addr, command, (u8 *)&data, 2); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_longwrite(HANDLE hDevice, u16 addr, u32 data) +{ + int res; + u8 command = SPI_WRITE | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkwrite(hDevice, addr, command, (u8 *)&data, 4); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int res; + u8 command = SPI_WRITE | SPI_AINC; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_bulkwrite(hDevice, addr, command, data, length); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_dataread(HANDLE hDevice, u16 addr, u8 *data, u32 length) +{ + int res; + u8 command = SPI_READ; + + OAL_OBTAIN_SEMAPHORE(); + res = spi_dataread(hDevice, addr, command, data, length); + OAL_RELEASE_SEMAPHORE(); + return res; +} + +int fc8150_spib_deinit(HANDLE hDevice) +{ + OAL_DELETE_SEMAPHORE(); + + return BBM_OK; +} |