diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fc8150_ppi.c')
| -rw-r--r-- | drivers/media/isdbt/fc8150/fc8150_ppi.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/drivers/media/isdbt/fc8150/fc8150_ppi.c b/drivers/media/isdbt/fc8150/fc8150_ppi.c new file mode 100644 index 0000000..7c9fc07 --- /dev/null +++ b/drivers/media/isdbt/fc8150/fc8150_ppi.c @@ -0,0 +1,212 @@ +/***************************************************************************** + Copyright(c) 2012 FCI Inc. All Rights Reserved + + File name : fc8150_ppi.c + + Description : fc8150 host interface + +*******************************************************************************/ +#include "linux/io.h" + +#include "fci_types.h" +#include "fc8150_regs.h" +#include "fci_oal.h" + +#define BBM_BASE_ADDR 0x00 + +#define PPI_BMODE 0x00 +#define PPI_WMODE 0x10 +#define PPI_LMODE 0x20 +#define PPI_READ 0x40 +#define PPI_WRITE 0x00 +#define PPI_AINC 0x80 + +#define FC8150_PPI_REG_OUT(x) outb(x, BBM_BASE_ADDR) +#define FC8150_PPI_REG_IN inb(BBM_BASE_ADDR) + +int fc8150_ppi_init(HANDLE hDevice, u16 param1, u16 param2) +{ + OAL_CREATE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_byteread(HANDLE hDevice, u16 addr, u8 *data) +{ + u32 length = 1; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(PPI_READ | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + *data = FC8150_PPI_REG_IN; + OAL_RELEASE_SEMAPHORE(); + return BBM_OK; +} + +int fc8150_ppi_wordread(HANDLE hDevice, u16 addr, u16 *data) +{ + u32 length = 2; + u8 command = PPI_AINC | PPI_READ | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + *data = FC8150_PPI_REG_IN; + *data |= FC8150_PPI_REG_IN << 8; + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_longread(HANDLE hDevice, u16 addr, u32 *data) +{ + u32 length = 4; + u8 command = PPI_AINC | PPI_READ | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + *data = FC8150_PPI_REG_IN; + *data |= FC8150_PPI_REG_IN << 8; + *data |= FC8150_PPI_REG_IN << 16; + *data |= FC8150_PPI_REG_IN << 24; + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_bulkread(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int i; + u8 command = PPI_AINC | PPI_READ | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + for (i = 0; i < length; i++) + data[i] = FC8150_PPI_REG_IN; + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_bytewrite(HANDLE hDevice, u16 addr, u8 data) +{ + u32 length = 1; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(PPI_WRITE | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + FC8150_PPI_REG_OUT(data); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_wordwrite(HANDLE hDevice, u16 addr, u16 data) +{ + u32 length = 2; + u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + FC8150_PPI_REG_OUT(data & 0xff); + FC8150_PPI_REG_OUT((data & 0xff00) >> 8); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_longwrite(HANDLE hDevice, u16 addr, u32 data) +{ + u32 length = 4; + u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + FC8150_PPI_REG_OUT(data & 0x000000ff); + FC8150_PPI_REG_OUT((data & 0x0000ff00) >> 8); + FC8150_PPI_REG_OUT((data & 0x00ff0000) >> 16); + FC8150_PPI_REG_OUT((data & 0xff000000) >> 24); + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_bulkwrite(HANDLE hDevice, u16 addr, u8 *data, u16 length) +{ + int i; + u8 command = PPI_AINC | PPI_WRITE | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + for (i = 0; i < length; i++) + FC8150_PPI_REG_OUT(data[i]); + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_dataread(HANDLE hDevice, u16 addr, u8 *data, u32 length) +{ + int i; + u8 command = PPI_READ | PPI_BMODE; + + OAL_OBTAIN_SEMAPHORE(); + FC8150_PPI_REG_OUT(addr & 0xff); + FC8150_PPI_REG_OUT((addr & 0xff00) >> 8); + FC8150_PPI_REG_OUT(command | ((length & 0x0f0000) >> 16)); + FC8150_PPI_REG_OUT((length & 0xff00) >> 8); + FC8150_PPI_REG_OUT(length & 0xff); + + for (i = 0; i < length; i++) + data[i] = FC8150_PPI_REG_IN; + + OAL_RELEASE_SEMAPHORE(); + + return BBM_OK; +} + +int fc8150_ppi_deinit(HANDLE hDevice) +{ + OAL_DELETE_SEMAPHORE(); + + return BBM_OK; +} |