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path: root/drivers/net/usb/r8152.c
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-rw-r--r--drivers/net/usb/r8152.c158
1 files changed, 92 insertions, 66 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 67cd6986634f..2d7cc63bef89 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1371,6 +1371,10 @@ void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
static int
r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
+static int
+rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex,
+ u32 advertising);
+
static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
{
struct r8152 *tp = netdev_priv(netdev);
@@ -2393,11 +2397,9 @@ static void tx_bottom(struct r8152 *tp)
} while (res == 0);
}
-static void bottom_half(unsigned long data)
+static void bottom_half(struct tasklet_struct *t)
{
- struct r8152 *tp;
-
- tp = (struct r8152 *)data;
+ struct r8152 *tp = from_tasklet(tp, t, tx_tl);
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return;
@@ -3207,8 +3209,6 @@ static void r8153b_ups_en(struct r8152 *tp, bool enable)
ocp_data |= BIT(0);
ocp_write_byte(tp, MCU_TYPE_USB, 0xcfff, ocp_data);
} else {
- u16 data;
-
ocp_data &= ~(UPS_EN | USP_PREWAKE);
ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
@@ -3216,31 +3216,20 @@ static void r8153b_ups_en(struct r8152 *tp, bool enable)
ocp_data &= ~BIT(0);
ocp_write_byte(tp, MCU_TYPE_USB, 0xcfff, 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);
-
- data = r8153_phy_status(tp, 0);
-
- switch (data) {
- case PHY_STAT_PWRDN:
- case PHY_STAT_EXT_INIT:
- r8153b_green_en(tp,
- test_bit(GREEN_ETHERNET, &tp->flags));
+ if (ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0) & PCUT_STATUS) {
+ int i;
- data = r8152_mdio_read(tp, MII_BMCR);
- data &= ~BMCR_PDOWN;
- data |= BMCR_RESET;
- r8152_mdio_write(tp, MII_BMCR, data);
+ for (i = 0; i < 500; i++) {
+ if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
+ AUTOLOAD_DONE)
+ break;
+ msleep(20);
+ }
- data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
- fallthrough;
+ tp->rtl_ops.hw_phy_cfg(tp);
- default:
- if (data != PHY_STAT_LAN_ON)
- netif_warn(tp, link, tp->netdev,
- "PHY not ready");
- break;
+ rtl8152_set_speed(tp, tp->autoneg, tp->speed,
+ tp->duplex, tp->advertising);
}
}
}
@@ -3470,59 +3459,76 @@ static void rtl_clear_bp(struct r8152 *tp, u16 type)
ocp_write_word(tp, type, PLA_BP_BA, 0);
}
-static int r8153_patch_request(struct r8152 *tp, bool request)
+static int rtl_phy_patch_request(struct r8152 *tp, bool request, bool wait)
{
- u16 data;
+ u16 data, check;
int i;
data = ocp_reg_read(tp, OCP_PHY_PATCH_CMD);
- if (request)
+ if (request) {
data |= PATCH_REQUEST;
- else
+ check = 0;
+ } else {
data &= ~PATCH_REQUEST;
+ check = PATCH_READY;
+ }
ocp_reg_write(tp, OCP_PHY_PATCH_CMD, data);
- for (i = 0; request && i < 5000; i++) {
+ for (i = 0; wait && i < 5000; i++) {
+ u32 ocp_data;
+
usleep_range(1000, 2000);
- if (ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)
+ ocp_data = ocp_reg_read(tp, OCP_PHY_PATCH_STAT);
+ if ((ocp_data & PATCH_READY) ^ check)
break;
}
- if (request && !(ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)) {
- netif_err(tp, drv, tp->netdev, "patch request fail\n");
- r8153_patch_request(tp, false);
+ if (request && wait &&
+ !(ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)) {
+ dev_err(&tp->intf->dev, "PHY patch request fail\n");
+ rtl_phy_patch_request(tp, false, false);
return -ETIME;
} else {
return 0;
}
}
-static int r8153_pre_ram_code(struct r8152 *tp, u16 key_addr, u16 patch_key)
+static void rtl_patch_key_set(struct r8152 *tp, u16 key_addr, u16 patch_key)
{
- if (r8153_patch_request(tp, true)) {
- dev_err(&tp->intf->dev, "patch request fail\n");
- return -ETIME;
- }
+ if (patch_key && key_addr) {
+ sram_write(tp, key_addr, patch_key);
+ sram_write(tp, SRAM_PHY_LOCK, PHY_PATCH_LOCK);
+ } else if (key_addr) {
+ u16 data;
- sram_write(tp, key_addr, patch_key);
- sram_write(tp, SRAM_PHY_LOCK, PHY_PATCH_LOCK);
+ sram_write(tp, 0x0000, 0x0000);
- return 0;
+ data = ocp_reg_read(tp, OCP_PHY_LOCK);
+ data &= ~PATCH_LOCK;
+ ocp_reg_write(tp, OCP_PHY_LOCK, data);
+
+ sram_write(tp, key_addr, 0x0000);
+ } else {
+ WARN_ON_ONCE(1);
+ }
}
-static int r8153_post_ram_code(struct r8152 *tp, u16 key_addr)
+static int
+rtl_pre_ram_code(struct r8152 *tp, u16 key_addr, u16 patch_key, bool wait)
{
- u16 data;
+ if (rtl_phy_patch_request(tp, true, wait))
+ return -ETIME;
- sram_write(tp, 0x0000, 0x0000);
+ rtl_patch_key_set(tp, key_addr, patch_key);
- data = ocp_reg_read(tp, OCP_PHY_LOCK);
- data &= ~PATCH_LOCK;
- ocp_reg_write(tp, OCP_PHY_LOCK, data);
+ return 0;
+}
- sram_write(tp, key_addr, 0x0000);
+static int rtl_post_ram_code(struct r8152 *tp, u16 key_addr, bool wait)
+{
+ rtl_patch_key_set(tp, key_addr, 0);
- r8153_patch_request(tp, false);
+ rtl_phy_patch_request(tp, false, wait);
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, tp->ocp_base);
@@ -4007,7 +4013,7 @@ static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
dev_dbg(&tp->intf->dev, "successfully applied %s\n", mac->info);
}
-static void rtl8152_apply_firmware(struct r8152 *tp)
+static void rtl8152_apply_firmware(struct r8152 *tp, bool power_cut)
{
struct rtl_fw *rtl_fw = &tp->rtl_fw;
const struct firmware *fw;
@@ -4038,12 +4044,11 @@ static void rtl8152_apply_firmware(struct r8152 *tp)
case RTL_FW_PHY_START:
key = (struct fw_phy_patch_key *)block;
key_addr = __le16_to_cpu(key->key_reg);
- r8153_pre_ram_code(tp, key_addr,
- __le16_to_cpu(key->key_data));
+ rtl_pre_ram_code(tp, key_addr, __le16_to_cpu(key->key_data), !power_cut);
break;
case RTL_FW_PHY_STOP:
WARN_ON(!key_addr);
- r8153_post_ram_code(tp, key_addr);
+ rtl_post_ram_code(tp, key_addr, !power_cut);
break;
case RTL_FW_PHY_NC:
rtl8152_fw_phy_nc_apply(tp, (struct fw_phy_nc *)block);
@@ -4248,7 +4253,7 @@ static void rtl8152_disable(struct r8152 *tp)
static void r8152b_hw_phy_cfg(struct r8152 *tp)
{
- rtl8152_apply_firmware(tp);
+ rtl8152_apply_firmware(tp, false);
rtl_eee_enable(tp, tp->eee_en);
r8152_aldps_en(tp, true);
r8152b_enable_fc(tp);
@@ -4530,7 +4535,7 @@ static void r8153_hw_phy_cfg(struct r8152 *tp)
/* disable EEE before updating the PHY parameters */
rtl_eee_enable(tp, false);
- rtl8152_apply_firmware(tp);
+ rtl8152_apply_firmware(tp, false);
if (tp->version == RTL_VER_03) {
data = ocp_reg_read(tp, OCP_EEE_CFG);
@@ -4598,13 +4603,37 @@ static void r8153b_hw_phy_cfg(struct r8152 *tp)
u32 ocp_data;
u16 data;
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
+ if (ocp_data & PCUT_STATUS) {
+ ocp_data &= ~PCUT_STATUS;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
+ }
+
/* disable ALDPS before updating the PHY parameters */
r8153_aldps_en(tp, false);
/* disable EEE before updating the PHY parameters */
rtl_eee_enable(tp, false);
- rtl8152_apply_firmware(tp);
+ /* U1/U2/L1 idle timer. 500 us */
+ ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
+
+ data = r8153_phy_status(tp, 0);
+
+ switch (data) {
+ case PHY_STAT_PWRDN:
+ case PHY_STAT_EXT_INIT:
+ rtl8152_apply_firmware(tp, true);
+
+ data = r8152_mdio_read(tp, MII_BMCR);
+ data &= ~BMCR_PDOWN;
+ r8152_mdio_write(tp, MII_BMCR, data);
+ break;
+ case PHY_STAT_LAN_ON:
+ default:
+ rtl8152_apply_firmware(tp, false);
+ break;
+ }
r8153b_green_en(tp, test_bit(GREEN_ETHERNET, &tp->flags));
@@ -4645,7 +4674,7 @@ static void r8153b_hw_phy_cfg(struct r8152 *tp)
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
/* Advnace EEE */
- if (!r8153_patch_request(tp, true)) {
+ if (!rtl_phy_patch_request(tp, true, true)) {
data = ocp_reg_read(tp, OCP_POWER_CFG);
data |= EEE_CLKDIV_EN;
ocp_reg_write(tp, OCP_POWER_CFG, data);
@@ -4662,7 +4691,7 @@ static void r8153b_hw_phy_cfg(struct r8152 *tp)
ocp_reg_write(tp, OCP_SYSCLK_CFG, clk_div_expo(5));
tp->ups_info._250m_ckdiv = true;
- r8153_patch_request(tp, false);
+ rtl_phy_patch_request(tp, false, true);
}
if (tp->eee_en)
@@ -5530,9 +5559,6 @@ static void r8153b_init(struct r8152 *tp)
/* MSC timer = 0xfff * 8ms = 32760 ms */
ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
- /* U1/U2/L1 idle timer. 500 us */
- ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
-
r8153b_power_cut_en(tp, false);
r8153b_ups_en(tp, false);
r8153_queue_wake(tp, false);
@@ -6714,7 +6740,7 @@ static int rtl8152_probe(struct usb_interface *intf,
mutex_init(&tp->control);
INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
INIT_DELAYED_WORK(&tp->hw_phy_work, rtl_hw_phy_work_func_t);
- tasklet_init(&tp->tx_tl, bottom_half, (unsigned long)tp);
+ tasklet_setup(&tp->tx_tl, bottom_half);
tasklet_disable(&tp->tx_tl);
netdev->netdev_ops = &rtl8152_netdev_ops;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.