diff options
Diffstat (limited to 'drivers/usb/eth/r8152.c')
| -rw-r--r-- | drivers/usb/eth/r8152.c | 1456 |
1 files changed, 1456 insertions, 0 deletions
diff --git a/drivers/usb/eth/r8152.c b/drivers/usb/eth/r8152.c new file mode 100644 index 0000000000..325b70c2dd --- /dev/null +++ b/drivers/usb/eth/r8152.c @@ -0,0 +1,1456 @@ +/* + * Copyright (c) 2015 Realtek Semiconductor Corp. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + * + */ + +#include <common.h> +#include <errno.h> +#include <malloc.h> +#include <usb.h> +#include <usb/lin_gadget_compat.h> +#include <linux/mii.h> +#include <linux/bitops.h> +#include "usb_ether.h" +#include "r8152.h" + +/* local vars */ +static int curr_eth_dev; /* index for name of next device detected */ + +struct r8152_dongle { + unsigned short vendor; + unsigned short product; +}; + +struct r8152_version { + unsigned short tcr; + unsigned short version; + bool gmii; +}; + +static const struct r8152_dongle const r8152_dongles[] = { + /* Realtek */ + { 0x0bda, 0x8050 }, + { 0x0bda, 0x8152 }, + { 0x0bda, 0x8153 }, + + /* Samsung */ + { 0x04e8, 0xa101 }, + + /* Lenovo */ + { 0x17ef, 0x304f }, + { 0x17ef, 0x3052 }, + { 0x17ef, 0x3054 }, + { 0x17ef, 0x3057 }, + { 0x17ef, 0x7205 }, + { 0x17ef, 0x720a }, + { 0x17ef, 0x720b }, + { 0x17ef, 0x720c }, + + /* TP-LINK */ + { 0x2357, 0x0601 }, + + /* Nvidia */ + { 0x0955, 0x09ff }, +}; + +static const struct r8152_version const r8152_versions[] = { + { 0x4c00, RTL_VER_01, 0 }, + { 0x4c10, RTL_VER_02, 0 }, + { 0x5c00, RTL_VER_03, 1 }, + { 0x5c10, RTL_VER_04, 1 }, + { 0x5c20, RTL_VER_05, 1 }, + { 0x5c30, RTL_VER_06, 1 }, + { 0x4800, RTL_VER_07, 0 }, +}; + +static +int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) +{ + return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), + RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, + value, index, data, size, 500); +} + +static +int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) +{ + return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), + RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, + value, index, data, size, 500); +} + +int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, + void *data, u16 type) +{ + u16 burst_size = 64; + int ret; + int txsize; + + /* both size and index must be 4 bytes align */ + if ((size & 3) || !size || (index & 3) || !data) + return -EINVAL; + + if (index + size > 0xffff) + return -EINVAL; + + while (size) { + txsize = min(size, burst_size); + ret = get_registers(tp, index, type, txsize, data); + if (ret < 0) + break; + + index += txsize; + data += txsize; + size -= txsize; + } + + return ret; +} + +int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, + u16 size, void *data, u16 type) +{ + int ret; + u16 byteen_start, byteen_end, byte_en_to_hw; + u16 burst_size = 512; + int txsize; + + /* both size and index must be 4 bytes align */ + if ((size & 3) || !size || (index & 3) || !data) + return -EINVAL; + + if (index + size > 0xffff) + return -EINVAL; + + byteen_start = byteen & BYTE_EN_START_MASK; + byteen_end = byteen & BYTE_EN_END_MASK; + + byte_en_to_hw = byteen_start | (byteen_start << 4); + ret = set_registers(tp, index, type | byte_en_to_hw, 4, data); + if (ret < 0) + return ret; + + index += 4; + data += 4; + size -= 4; + + if (size) { + size -= 4; + + while (size) { + txsize = min(size, burst_size); + + ret = set_registers(tp, index, + type | BYTE_EN_DWORD, + txsize, data); + if (ret < 0) + return ret; + + index += txsize; + data += txsize; + size -= txsize; + } + + byte_en_to_hw = byteen_end | (byteen_end >> 4); + ret = set_registers(tp, index, type | byte_en_to_hw, 4, data); + if (ret < 0) + return ret; + } + + return ret; +} + +int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) +{ + return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); +} + +int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) +{ + return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); +} + +int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) +{ + return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); +} + +int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) +{ + return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); +} + +u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) +{ + __le32 data; + + generic_ocp_read(tp, index, sizeof(data), &data, type); + + return __le32_to_cpu(data); +} + +void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) +{ + __le32 tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); +} + +u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) +{ + u32 data; + __le32 tmp; + u8 shift = index & 2; + + index &= ~3; + + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); + + data = __le32_to_cpu(tmp); + data >>= (shift * 8); + data &= 0xffff; + + return data; +} + +void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) +{ + u32 mask = 0xffff; + __le32 tmp; + u16 byen = BYTE_EN_WORD; + u8 shift = index & 2; + + data &= mask; + + if (index & 2) { + byen <<= shift; + mask <<= (shift * 8); + data <<= (shift * 8); + index &= ~3; + } + + tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); +} + +u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) +{ + u32 data; + __le32 tmp; + u8 shift = index & 3; + + index &= ~3; + + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); + + data = __le32_to_cpu(tmp); + data >>= (shift * 8); + data &= 0xff; + + return data; +} + +void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) +{ + u32 mask = 0xff; + __le32 tmp; + u16 byen = BYTE_EN_BYTE; + u8 shift = index & 3; + + data &= mask; + + if (index & 3) { + byen <<= shift; + mask <<= (shift * 8); + data <<= (shift * 8); + index &= ~3; + } + + tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); +} + +u16 ocp_reg_read(struct r8152 *tp, u16 addr) +{ + u16 ocp_base, ocp_index; + + ocp_base = addr & 0xf000; + if (ocp_base != tp->ocp_base) { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); + tp->ocp_base = ocp_base; + } + + ocp_index = (addr & 0x0fff) | 0xb000; + return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index); +} + +void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) +{ + u16 ocp_base, ocp_index; + + ocp_base = addr & 0xf000; + if (ocp_base != tp->ocp_base) { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); + tp->ocp_base = ocp_base; + } + + ocp_index = (addr & 0x0fff) | 0xb000; + ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); +} + +static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) +{ + ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value); +} + +static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) +{ + return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2); +} + +void sram_write(struct r8152 *tp, u16 addr, u16 data) +{ + ocp_reg_write(tp, OCP_SRAM_ADDR, addr); + ocp_reg_write(tp, OCP_SRAM_DATA, data); +} + +int r8152_wait_for_bit(struct r8152 *tp, bool ocp_reg, u16 type, u16 index, + const u32 mask, bool set, unsigned int timeout) +{ + u32 val; + + while (--timeout) { + if (ocp_reg) + val = ocp_reg_read(tp, index); + else + val = ocp_read_dword(tp, type, index); + + if (!set) + val = ~val; + + if ((val & mask) == mask) + return 0; + + mdelay(1); + } + + debug("%s: Timeout (index=%04x mask=%08x timeout=%d)\n", + __func__, index, mask, timeout); + + return -ETIMEDOUT; +} + +static void r8152b_reset_packet_filter(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); + ocp_data &= ~FMC_FCR_MCU_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); + ocp_data |= FMC_FCR_MCU_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); +} + +static void rtl8152_wait_fifo_empty(struct r8152 *tp) +{ + int ret; + + ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR, + PLA_PHY_PWR_TXEMP, 1, R8152_WAIT_TIMEOUT); + if (ret) + debug("Timeout waiting for FIFO empty\n"); + + ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_TCR0, + TCR0_TX_EMPTY, 1, R8152_WAIT_TIMEOUT); + if (ret) + debug("Timeout waiting for TX empty\n"); +} + +static void rtl8152_nic_reset(struct r8152 *tp) +{ + int ret; + u32 ocp_data; + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, BIST_CTRL); + ocp_data |= BIST_CTRL_SW_RESET; + ocp_write_dword(tp, MCU_TYPE_PLA, BIST_CTRL, ocp_data); + + ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, BIST_CTRL, + BIST_CTRL_SW_RESET, 0, R8152_WAIT_TIMEOUT); + if (ret) + debug("Timeout waiting for NIC reset\n"); +} + +static u8 rtl8152_get_speed(struct r8152 *tp) +{ + return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); +} + +static void rtl_set_eee_plus(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); + ocp_data &= ~EEEP_CR_EEEP_TX; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); +} + +static void rxdy_gated_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); + if (enable) + ocp_data |= RXDY_GATED_EN; + else + ocp_data &= ~RXDY_GATED_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); +} + +static void rtl8152_set_rx_mode(struct r8152 *tp) +{ + u32 ocp_data; + __le32 tmp[2]; + + tmp[0] = 0xffffffff; + tmp[1] = 0xffffffff; + + pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data |= RCR_APM | RCR_AM | RCR_AB; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); +} + +static int rtl_enable(struct r8152 *tp) +{ + u32 ocp_data; + + r8152b_reset_packet_filter(tp); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); + ocp_data |= PLA_CR_RE | PLA_CR_TE; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); + + rxdy_gated_en(tp, false); + + rtl8152_set_rx_mode(tp); + + return 0; +} + +static int rtl8152_enable(struct r8152 *tp) +{ + rtl_set_eee_plus(tp); + + return rtl_enable(tp); +} + +static void r8153_set_rx_early_timeout(struct r8152 *tp) +{ + u32 ocp_data = tp->coalesce / 8; + + ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT, ocp_data); +} + +static void r8153_set_rx_early_size(struct r8152 *tp) +{ + u32 ocp_data = (RTL8152_AGG_BUF_SZ - RTL8153_RMS) / 4; + + ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data); +} + +static int rtl8153_enable(struct r8152 *tp) +{ + rtl_set_eee_plus(tp); + r8153_set_rx_early_timeout(tp); + r8153_set_rx_early_size(tp); + + return rtl_enable(tp); +} + +static void rtl_disable(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data &= ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + + rxdy_gated_en(tp, true); + + rtl8152_wait_fifo_empty(tp); + rtl8152_nic_reset(tp); +} + +static void r8152_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); + if (enable) + ocp_data |= POWER_CUT; + else + ocp_data &= ~POWER_CUT; + ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); + ocp_data &= ~RESUME_INDICATE; + ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); +} + +static void rtl_rx_vlan_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); + if (enable) + ocp_data |= CPCR_RX_VLAN; + else + ocp_data &= ~CPCR_RX_VLAN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); +} + +static void r8153_u1u2en(struct r8152 *tp, bool enable) +{ + u8 u1u2[8]; + + if (enable) + memset(u1u2, 0xff, sizeof(u1u2)); + else + memset(u1u2, 0x00, sizeof(u1u2)); + + usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); +} + +static void r8153_u2p3en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); + if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04) + ocp_data |= U2P3_ENABLE; + else + ocp_data &= ~U2P3_ENABLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); +} + +static void r8153_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); + if (enable) + ocp_data |= PWR_EN | PHASE2_EN; + else + ocp_data &= ~(PWR_EN | PHASE2_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); + ocp_data &= ~PCUT_STATUS; + ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); +} + +static int r8152_read_mac(struct r8152 *tp, unsigned char *macaddr) +{ + int ret; + unsigned char enetaddr[8] = {0}; + + ret = pla_ocp_read(tp, PLA_IDR, 8, enetaddr); + if (ret < 0) + return ret; + + memcpy(macaddr, enetaddr, ETH_ALEN); + return 0; +} + +static void r8152b_disable_aldps(struct r8152 *tp) +{ + ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); + mdelay(20); +} + +static void r8152b_enable_aldps(struct r8152 *tp) +{ + ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | + LINKENA | DIS_SDSAVE); +} + +static void rtl8152_disable(struct r8152 *tp) +{ + r8152b_disable_aldps(tp); + rtl_disable(tp); + r8152b_enable_aldps(tp); +} + +static void r8152b_hw_phy_cfg(struct r8152 *tp) +{ + u16 data; + + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + + r8152b_firmware(tp); +} + +static void rtl8152_reinit_ll(struct r8152 *tp) +{ + u32 ocp_data; + int ret; + + ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR, + PLA_PHY_PWR_LLR, 1, R8152_WAIT_TIMEOUT); + if (ret) + debug("Timeout waiting for link list ready\n"); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data |= RE_INIT_LL; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR, + PLA_PHY_PWR_LLR, 1, R8152_WAIT_TIMEOUT); + if (ret) + debug("Timeout waiting for link list ready\n"); +} + +static void r8152b_exit_oob(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data &= ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + + rxdy_gated_en(tp, true); + r8152b_hw_phy_cfg(tp); + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data &= ~MCU_BORW_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + rtl8152_reinit_ll(tp); + rtl8152_nic_reset(tp); + + /* rx share fifo credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); + + if (tp->udev->speed == USB_SPEED_FULL || + tp->udev->speed == USB_SPEED_LOW) { + /* rx share fifo credit near full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, + RXFIFO_THR2_FULL); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, + RXFIFO_THR3_FULL); + } else { + /* rx share fifo credit near full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, + RXFIFO_THR2_HIGH); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, + RXFIFO_THR3_HIGH); + } + + /* TX share fifo free credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); + + ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); + ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH); + ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, + TEST_MODE_DISABLE | TX_SIZE_ADJUST1); + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); + ocp_data |= TCR0_AUTO_FIFO; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); +} + +static void r8152b_enter_oob(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); + + rtl_disable(tp); + + rtl8152_reinit_ll(tp); + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); + + rtl_rx_vlan_en(tp, false); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); + ocp_data |= ALDPS_PROXY_MODE; + ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + rxdy_gated_en(tp, false); + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data |= RCR_APM | RCR_AM | RCR_AB; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); +} + +static void r8153_hw_phy_cfg(struct r8152 *tp) +{ + u32 ocp_data; + u16 data; + + if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 || + tp->version == RTL_VER_05) + ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); + + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + + r8153_firmware(tp); + + if (tp->version == RTL_VER_03) { + data = ocp_reg_read(tp, OCP_EEE_CFG); + data &= ~CTAP_SHORT_EN; + ocp_reg_write(tp, OCP_EEE_CFG, data); + } + + data = ocp_reg_read(tp, OCP_POWER_CFG); + data |= EEE_CLKDIV_EN; + ocp_reg_write(tp, OCP_POWER_CFG, data); + + data = ocp_reg_read(tp, OCP_DOWN_SPEED); + data |= EN_10M_BGOFF; + ocp_reg_write(tp, OCP_DOWN_SPEED, data); + data = ocp_reg_read(tp, OCP_POWER_CFG); + data |= EN_10M_PLLOFF; + ocp_reg_write(tp, OCP_POWER_CFG, data); + sram_write(tp, SRAM_IMPEDANCE, 0x0b13); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); + ocp_data |= PFM_PWM_SWITCH; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); + + /* Enable LPF corner auto tune */ + sram_write(tp, SRAM_LPF_CFG, 0xf70f); + + /* Adjust 10M Amplitude */ + sram_write(tp, SRAM_10M_AMP1, 0x00af); + sram_write(tp, SRAM_10M_AMP2, 0x0208); +} + +static void r8153_first_init(struct r8152 *tp) +{ + u32 ocp_data; + + rxdy_gated_en(tp, true); + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data &= ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + + r8153_hw_phy_cfg(tp); + + rtl8152_nic_reset(tp); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data &= ~MCU_BORW_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + rtl8152_reinit_ll(tp); + + rtl_rx_vlan_en(tp, false); + + ocp_data = RTL8153_RMS; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); + ocp_data |= TCR0_AUTO_FIFO; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); + + rtl8152_nic_reset(tp); + + /* rx share fifo credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL); + /* TX share fifo free credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2); + + /* rx aggregation */ + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); + + ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); +} + +static void r8153_enter_oob(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + rtl_disable(tp); + + rtl8152_reinit_ll(tp); + + ocp_data = RTL8153_RMS; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); + ocp_data &= ~TEREDO_WAKE_MASK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); + + rtl_rx_vlan_en(tp, false); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); + ocp_data |= ALDPS_PROXY_MODE; + ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + rxdy_gated_en(tp, false); + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data |= RCR_APM | RCR_AM | RCR_AB; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); +} + +static void r8153_disable_aldps(struct r8152 *tp) +{ + u16 data; + + data = ocp_reg_read(tp, OCP_POWER_CFG); + data &= ~EN_ALDPS; + ocp_reg_write(tp, OCP_POWER_CFG, data); + mdelay(20); +} + +static void rtl8153_disable(struct r8152 *tp) +{ + r8153_disable_aldps(tp); + rtl_disable(tp); +} + +static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) +{ + u16 bmcr, anar, gbcr; + + anar = r8152_mdio_read(tp, MII_ADVERTISE); + anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL); + if (tp->supports_gmii) { + gbcr = r8152_mdio_read(tp, MII_CTRL1000); + gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + } else { + gbcr = 0; + } + + if (autoneg == AUTONEG_DISABLE) { + if (speed == SPEED_10) { + bmcr = 0; + anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; + } else if (speed == SPEED_100) { + bmcr = BMCR_SPEED100; + anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; + } else if (speed == SPEED_1000 && tp->supports_gmii) { + bmcr = BMCR_SPEED1000; + gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; + } else { + return -EINVAL; + } + + if (duplex == DUPLEX_FULL) + bmcr |= BMCR_FULLDPLX; + } else { + if (speed == SPEED_10) { + if (duplex == DUPLEX_FULL) + anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; + else + anar |= ADVERTISE_10HALF; + } else if (speed == SPEED_100) { + if (duplex == DUPLEX_FULL) { + anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; + anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; + } else { + anar |= ADVERTISE_10HALF; + anar |= ADVERTISE_100HALF; + } + } else if (speed == SPEED_1000 && tp->supports_gmii) { + if (duplex == DUPLEX_FULL) { + anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; + anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; + gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; + } else { + anar |= ADVERTISE_10HALF; + anar |= ADVERTISE_100HALF; + gbcr |= ADVERTISE_1000HALF; + } + } else { + return -EINVAL; + } + + bmcr = BMCR_ANENABLE | BMCR_ANRESTART; + } + + if (tp->supports_gmii) + r8152_mdio_write(tp, MII_CTRL1000, gbcr); + + r8152_mdio_write(tp, MII_ADVERTISE, anar); + r8152_mdio_write(tp, MII_BMCR, bmcr); + + return 0; +} + +static void rtl8152_up(struct r8152 *tp) +{ + r8152b_disable_aldps(tp); + r8152b_exit_oob(tp); + r8152b_enable_aldps(tp); +} + +static void rtl8152_down(struct r8152 *tp) +{ + r8152_power_cut_en(tp, false); + r8152b_disable_aldps(tp); + r8152b_enter_oob(tp); + r8152b_enable_aldps(tp); +} + +static void rtl8153_up(struct r8152 *tp) +{ + r8153_u1u2en(tp, false); + r8153_disable_aldps(tp); + r8153_first_init(tp); + r8153_u2p3en(tp, false); +} + +static void rtl8153_down(struct r8152 *tp) +{ + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + r8153_power_cut_en(tp, false); + r8153_disable_aldps(tp); + r8153_enter_oob(tp); +} + +static void r8152b_get_version(struct r8152 *tp) +{ + u32 ocp_data; + u16 tcr; + int i; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); + tcr = (u16)(ocp_data & VERSION_MASK); + + for (i = 0; i < ARRAY_SIZE(r8152_versions); i++) { + if (tcr == r8152_versions[i].tcr) { + /* Found a supported version */ + tp->version = r8152_versions[i].version; + tp->supports_gmii = r8152_versions[i].gmii; + break; + } + } + + if (tp->version == RTL_VER_UNKNOWN) + debug("r8152 Unknown tcr version 0x%04x\n", tcr); +} + +static void r8152b_enable_fc(struct r8152 *tp) +{ + u16 anar; + anar = r8152_mdio_read(tp, MII_ADVERTISE); + anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + r8152_mdio_write(tp, MII_ADVERTISE, anar); +} + +static void rtl_tally_reset(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY); + ocp_data |= TALLY_RESET; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data); +} + +static void r8152b_init(struct r8152 *tp) +{ + u32 ocp_data; + + r8152b_disable_aldps(tp); + + if (tp->version == RTL_VER_01) { + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); + ocp_data &= ~LED_MODE_MASK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); + } + + r8152_power_cut_en(tp, false); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); + ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); + ocp_data &= ~MCU_CLK_RATIO_MASK; + ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); + ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | + SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_TIMER); + ocp_data |= BIT(15); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_TIMER, ocp_data); + ocp_write_word(tp, MCU_TYPE_USB, 0xcbfc, 0x03e8); + ocp_data &= ~BIT(15); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_TIMER, ocp_data); + + r8152b_enable_fc(tp); + rtl_tally_reset(tp); + + /* enable rx aggregation */ + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); + + ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); +} + +static void r8153_init(struct r8152 *tp) +{ + int i; + u32 ocp_data; + + r8153_disable_aldps(tp); + r8153_u1u2en(tp, false); + + r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_BOOT_CTRL, + AUTOLOAD_DONE, 1, R8152_WAIT_TIMEOUT); + + for (i = 0; i < R8152_WAIT_TIMEOUT; i++) { + ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK; + if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN) + break; + + mdelay(1); + } + + r8153_u2p3en(tp, false); + + if (tp->version == RTL_VER_04) { + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2); + ocp_data &= ~pwd_dn_scale_mask; + ocp_data |= pwd_dn_scale(96); + ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY); + ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND; + ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data); + } else if (tp->version == RTL_VER_05) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0); + ocp_data &= ~ECM_ALDPS; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1); + if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0) + ocp_data &= ~DYNAMIC_BURST; + else + ocp_data |= DYNAMIC_BURST; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data); + } else if (tp->version == RTL_VER_06) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1); + if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0) + ocp_data &= ~DYNAMIC_BURST; + else + ocp_data |= DYNAMIC_BURST; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data); + } + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2); + ocp_data |= EP4_FULL_FC; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL); + ocp_data &= ~TIMER11_EN; + ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); + ocp_data &= ~LED_MODE_MASK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); + + ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM; + if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER) + ocp_data |= LPM_TIMER_500MS; + else + ocp_data |= LPM_TIMER_500US; + ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2); + ocp_data &= ~SEN_VAL_MASK; + ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data); + + ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001); + + r8153_power_cut_en(tp, false); + + r8152b_enable_fc(tp); + rtl_tally_reset(tp); +} + +static void rtl8152_unload(struct r8152 *tp) +{ + if (tp->version != RTL_VER_01) + r8152_power_cut_en(tp, true); +} + +static void rtl8153_unload(struct r8152 *tp) +{ + r8153_power_cut_en(tp, false); +} + +static int rtl_ops_init(struct r8152 *tp) +{ + struct rtl_ops *ops = &tp->rtl_ops; + int ret = 0; + + switch (tp->version) { + case RTL_VER_01: + case RTL_VER_02: + case RTL_VER_07: + ops->init = r8152b_init; + ops->enable = rtl8152_enable; + ops->disable = rtl8152_disable; + ops->up = rtl8152_up; + ops->down = rtl8152_down; + ops->unload = rtl8152_unload; + break; + + case RTL_VER_03: + case RTL_VER_04: + case RTL_VER_05: + case RTL_VER_06: + ops->init = r8153_init; + ops->enable = rtl8153_enable; + ops->disable = rtl8153_disable; + ops->up = rtl8153_up; + ops->down = rtl8153_down; + ops->unload = rtl8153_unload; + break; + + default: + ret = -ENODEV; + printf("r8152 Unknown Device\n"); + break; + } + + return ret; +} + +static int r8152_init(struct eth_device *eth, bd_t *bd) +{ + struct ueth_data *dev = (struct ueth_data *)eth->priv; + struct r8152 *tp = (struct r8152 *)dev->dev_priv; + + u8 speed; + int timeout = 0; + int link_detected; + + debug("** %s()\n", __func__); + + do { + speed = rtl8152_get_speed(tp); + + link_detected = speed & LINK_STATUS; + if (!link_detected) { + if (timeout == 0) + printf("Waiting for Ethernet connection... "); + mdelay(TIMEOUT_RESOLUTION); + timeout += TIMEOUT_RESOLUTION; + } + } while (!link_detected && timeout < PHY_CONNECT_TIMEOUT); + if (link_detected) { + tp->rtl_ops.enable(tp); + + if (timeout != 0) + printf("done.\n"); + } else { + printf("unable to connect.\n"); + } + + return 0; +} + +static int r8152_send(struct eth_device *eth, void *packet, int length) +{ + struct ueth_data *dev = (struct ueth_data *)eth->priv; + + u32 opts1, opts2 = 0; + + int err; + + int actual_len; + unsigned char msg[PKTSIZE + sizeof(struct tx_desc)]; + struct tx_desc *tx_desc = (struct tx_desc *)msg; + + debug("** %s(), len %d\n", __func__, length); + + opts1 = length | TX_FS | TX_LS; + + tx_desc->opts2 = cpu_to_le32(opts2); + tx_desc->opts1 = cpu_to_le32(opts1); + + memcpy(msg + sizeof(struct tx_desc), (void *)packet, length); + + err = usb_bulk_msg(dev->pusb_dev, + usb_sndbulkpipe(dev->pusb_dev, dev->ep_out), + (void *)msg, + length + sizeof(struct tx_desc), + &actual_len, + USB_BULK_SEND_TIMEOUT); + debug("Tx: len = %zu, actual = %u, err = %d\n", + length + sizeof(struct tx_desc), actual_len, err); + + return err; +} + +static int r8152_recv(struct eth_device *eth) +{ + struct ueth_data *dev = (struct ueth_data *)eth->priv; + + static unsigned char recv_buf[RTL8152_AGG_BUF_SZ]; + unsigned char *pkt_ptr; + int err; + int actual_len; + u16 packet_len; + + u32 bytes_process = 0; + struct rx_desc *rx_desc; + + debug("** %s()\n", __func__); + + err = usb_bulk_msg(dev->pusb_dev, + usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in), + (void *)recv_buf, + RTL8152_AGG_BUF_SZ, + &actual_len, + USB_BULK_RECV_TIMEOUT); + debug("Rx: len = %u, actual = %u, err = %d\n", RTL8152_AGG_BUF_SZ, + actual_len, err); + if (err != 0) { + debug("Rx: failed to receive\n"); + return -1; + } + if (actual_len > RTL8152_AGG_BUF_SZ) { + debug("Rx: received too many bytes %d\n", actual_len); + return -1; + } + + while (bytes_process < actual_len) { + rx_desc = (struct rx_desc *)(recv_buf + bytes_process); + pkt_ptr = recv_buf + sizeof(struct rx_desc) + bytes_process; + + packet_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; + packet_len -= CRC_SIZE; + + net_process_received_packet(pkt_ptr, packet_len); + + bytes_process += + (packet_len + sizeof(struct rx_desc) + CRC_SIZE); + + if (bytes_process % 8) + bytes_process = bytes_process + 8 - (bytes_process % 8); + } + + return 0; +} + +static void r8152_halt(struct eth_device *eth) +{ + struct ueth_data *dev = (struct ueth_data *)eth->priv; + struct r8152 *tp = (struct r8152 *)dev->dev_priv; + + debug("** %s()\n", __func__); + + tp->rtl_ops.disable(tp); +} + +static int r8152_write_hwaddr(struct eth_device *eth) +{ + struct ueth_data *dev = (struct ueth_data *)eth->priv; + struct r8152 *tp = (struct r8152 *)dev->dev_priv; + + unsigned char enetaddr[8] = {0}; + + memcpy(enetaddr, eth->enetaddr, ETH_ALEN); + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); + pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, enetaddr); + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); + + debug("MAC %pM\n", eth->enetaddr); + return 0; +} + +void r8152_eth_before_probe(void) +{ + curr_eth_dev = 0; +} + +/* Probe to see if a new device is actually an realtek device */ +int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum, + struct ueth_data *ss) +{ + struct usb_interface *iface; + struct usb_interface_descriptor *iface_desc; + int ep_in_found = 0, ep_out_found = 0; + int i; + + struct r8152 *tp; + + /* let's examine the device now */ + iface = &dev->config.if_desc[ifnum]; + iface_desc = &dev->config.if_desc[ifnum].desc; + + for (i = 0; i < ARRAY_SIZE(r8152_dongles); i++) { + if (dev->descriptor.idVendor == r8152_dongles[i].vendor && + dev->descriptor.idProduct == r8152_dongles[i].product) + /* Found a supported dongle */ + break; + } + + if (i == ARRAY_SIZE(r8152_dongles)) + return 0; + + memset(ss, 0, sizeof(struct ueth_data)); + + /* At this point, we know we've got a live one */ + debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n", + dev->descriptor.idVendor, dev->descriptor.idProduct); + + /* Initialize the ueth_data structure with some useful info */ + ss->ifnum = ifnum; + ss->pusb_dev = dev; + ss->subclass = iface_desc->bInterfaceSubClass; + ss->protocol = iface_desc->bInterfaceProtocol; + + /* alloc driver private */ + ss->dev_priv = calloc(1, sizeof(struct r8152)); + + if (!ss->dev_priv) + return 0; + + /* + * We are expecting a minimum of 3 endpoints - in, out (bulk), and + * int. We will ignore any others. + */ + for (i = 0; i < iface_desc->bNumEndpoints; i++) { + /* is it an BULK endpoint? */ + if ((iface->ep_desc[i].bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { + u8 ep_addr = iface->ep_desc[i].bEndpointAddress; + if ((ep_addr & USB_DIR_IN) && !ep_in_found) { + ss->ep_in = ep_addr & + USB_ENDPOINT_NUMBER_MASK; + ep_in_found = 1; + } else { + if (!ep_out_found) { + ss->ep_out = ep_addr & + USB_ENDPOINT_NUMBER_MASK; + ep_out_found = 1; + } + } + } + + /* is it an interrupt endpoint? */ + if ((iface->ep_desc[i].bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { + ss->ep_int = iface->ep_desc[i].bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK; + ss->irqinterval = iface->ep_desc[i].bInterval; + } + } + + debug("Endpoints In %d Out %d Int %d\n", + ss->ep_in, ss->ep_out, ss->ep_int); + + /* Do some basic sanity checks, and bail if we find a problem */ + if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) || + !ss->ep_in || !ss->ep_out || !ss->ep_int) { + debug("Problems with device\n"); + return 0; + } + + dev->privptr = (void *)ss; + + tp = ss->dev_priv; + tp->udev = dev; + tp->intf = iface; + + r8152b_get_version(tp); + + if (rtl_ops_init(tp)) + return 0; + + tp->rtl_ops.init(tp); + tp->rtl_ops.up(tp); + + rtl8152_set_speed(tp, AUTONEG_ENABLE, + tp->supports_gmii ? SPEED_1000 : SPEED_100, + DUPLEX_FULL); + + return 1; +} + +int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss, + struct eth_device *eth) +{ + if (!eth) { + debug("%s: missing parameter.\n", __func__); + return 0; + } + + sprintf(eth->name, "%s#%d", R8152_BASE_NAME, curr_eth_dev++); + eth->init = r8152_init; + eth->send = r8152_send; + eth->recv = r8152_recv; + eth->halt = r8152_halt; + eth->write_hwaddr = r8152_write_hwaddr; + eth->priv = ss; + + /* Get the MAC address */ + if (r8152_read_mac(ss->dev_priv, eth->enetaddr) < 0) + return 0; + + debug("MAC %pM\n", eth->enetaddr); + return 1; +} |
