diff options
Diffstat (limited to 'backend/genesys/scanner_interface_usb.cpp')
| -rw-r--r-- | backend/genesys/scanner_interface_usb.cpp | 53 |
1 files changed, 25 insertions, 28 deletions
diff --git a/backend/genesys/scanner_interface_usb.cpp b/backend/genesys/scanner_interface_usb.cpp index d4d83dd..d405ede 100644 --- a/backend/genesys/scanner_interface_usb.cpp +++ b/backend/genesys/scanner_interface_usb.cpp @@ -101,8 +101,6 @@ std::uint8_t ScannerInterfaceUsb::read_register(std::uint16_t address) usb_dev_.control_msg(REQUEST_TYPE_IN, REQUEST_REGISTER, VALUE_READ_REGISTER, INDEX, 1, &value); } - - DBG(DBG_proc, "%s (0x%02x, 0x%02x) completed\n", __func__, address, value); return value; } @@ -213,6 +211,7 @@ static void bulk_read_data_send_header(UsbDevice& usb_dev, AsicType asic_type, s uint8_t outdata[8]; if (asic_type == AsicType::GL124 || + asic_type == AsicType::GL845 || asic_type == AsicType::GL846 || asic_type == AsicType::GL847) { @@ -222,7 +221,9 @@ static void bulk_read_data_send_header(UsbDevice& usb_dev, AsicType asic_type, s outdata[2] = 0; outdata[3] = 0x10; } else if (asic_type == AsicType::GL841 || - asic_type == AsicType::GL843) { + asic_type == AsicType::GL842 || + asic_type == AsicType::GL843) + { outdata[0] = BULK_IN; outdata[1] = BULK_RAM; outdata[2] = 0x82; // @@ -246,12 +247,13 @@ static void bulk_read_data_send_header(UsbDevice& usb_dev, AsicType asic_type, s void ScannerInterfaceUsb::bulk_read_data(std::uint8_t addr, std::uint8_t* data, std::size_t size) { - // currently supported: GL646, GL841, GL843, GL846, GL847, GL124 + // currently supported: GL646, GL841, GL843, GL845, GL846, GL847, GL124 DBG_HELPER(dbg); unsigned is_addr_used = 1; unsigned has_header_before_each_chunk = 0; if (dev_->model->asic_type == AsicType::GL124 || + dev_->model->asic_type == AsicType::GL845 || dev_->model->asic_type == AsicType::GL846 || dev_->model->asic_type == AsicType::GL847) { @@ -351,30 +353,21 @@ void ScannerInterfaceUsb::bulk_write_data(std::uint8_t addr, std::uint8_t* data, } void ScannerInterfaceUsb::write_buffer(std::uint8_t type, std::uint32_t addr, std::uint8_t* data, - std::size_t size, Flags flags) + std::size_t size) { DBG_HELPER_ARGS(dbg, "type: 0x%02x, addr: 0x%08x, size: 0x%08zx", type, addr, size); if (dev_->model->asic_type != AsicType::GL646 && dev_->model->asic_type != AsicType::GL841 && + dev_->model->asic_type != AsicType::GL842 && dev_->model->asic_type != AsicType::GL843) { throw SaneException("Unsupported transfer mode"); } if (dev_->model->asic_type == AsicType::GL843) { - if (flags & FLAG_SWAP_REGISTERS) { - if (!(flags & FLAG_SMALL_ADDRESS)) { - write_register(0x29, ((addr >> 20) & 0xff)); - } - write_register(0x2a, ((addr >> 12) & 0xff)); - write_register(0x2b, ((addr >> 4) & 0xff)); - } else { - write_register(0x2b, ((addr >> 4) & 0xff)); - write_register(0x2a, ((addr >> 12) & 0xff)); - if (!(flags & FLAG_SMALL_ADDRESS)) { - write_register(0x29, ((addr >> 20) & 0xff)); - } - } + write_register(0x2b, ((addr >> 4) & 0xff)); + write_register(0x2a, ((addr >> 12) & 0xff)); + write_register(0x29, ((addr >> 20) & 0xff)); } else { write_register(0x2b, ((addr >> 4) & 0xff)); write_register(0x2a, ((addr >> 12) & 0xff)); @@ -383,24 +376,28 @@ void ScannerInterfaceUsb::write_buffer(std::uint8_t type, std::uint32_t addr, st } void ScannerInterfaceUsb::write_gamma(std::uint8_t type, std::uint32_t addr, std::uint8_t* data, - std::size_t size, Flags flags) + std::size_t size) { DBG_HELPER_ARGS(dbg, "type: 0x%02x, addr: 0x%08x, size: 0x%08zx", type, addr, size); - if (dev_->model->asic_type != AsicType::GL646 && - dev_->model->asic_type != AsicType::GL841 && + if (dev_->model->asic_type != AsicType::GL841 && + dev_->model->asic_type != AsicType::GL842 && dev_->model->asic_type != AsicType::GL843) { throw SaneException("Unsupported transfer mode"); } - if (flags & FLAG_SWAP_REGISTERS) { - write_register(0x5b, ((addr >> 12) & 0xff)); - write_register(0x5c, ((addr >> 4) & 0xff)); - } else { - write_register(0x5c, ((addr >> 4) & 0xff)); - write_register(0x5b, ((addr >> 12) & 0xff)); - } + write_register(0x5b, ((addr >> 12) & 0xff)); + write_register(0x5c, ((addr >> 4) & 0xff)); bulk_write_data(type, data, size); + + if (dev_->model->asic_type == AsicType::GL842 || + dev_->model->asic_type == AsicType::GL843) + { + // it looks like we need to reset the address so that subsequent buffer operations work. + // Most likely the MTRTBL register is to blame. + write_register(0x5b, 0); + write_register(0x5c, 0); + } } void ScannerInterfaceUsb::write_ahb(std::uint32_t addr, std::uint32_t size, std::uint8_t* data) |