From 4af161ceacdb269baf1dd86d7bde41cea0ee7aaa Mon Sep 17 00:00:00 2001 From: Xiaolong Ye Date: Mon, 13 Jan 2020 10:39:47 +0800 Subject: [PATCH] net/i40e/base: enable LED blinking flow Add X710T*L device specific operations (in port LED detection and handling of GLGEN_GPIO_CTL.PIN_FUNC field) to enable LED blinking. Signed-off-by: Damian Milosek Signed-off-by: Xiaolong Ye Acked-by: Qi Zhang Acked-by: Beilei Xing --- drivers/net/i40e/base/i40e_common.c | 28 +++++++++++++++++++++++++--- drivers/net/i40e/base/i40e_devids.h | 2 ++ 2 files changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index d0cb53a9df..84e67f285a 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -1544,9 +1544,9 @@ static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx) u32 gpio_val = 0; u32 port; - if (!hw->func_caps.led[idx]) + if (!I40E_IS_X710TL_DEVICE(hw->device_id) && + !hw->func_caps.led[idx]) return 0; - gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx)); port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >> I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT; @@ -1565,8 +1565,15 @@ static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx) #define I40E_FILTER_ACTIVITY 0xE #define I40E_LINK_ACTIVITY 0xC #define I40E_MAC_ACTIVITY 0xD +#define I40E_FW_LED BIT(4) +#define I40E_LED_MODE_VALID (I40E_GLGEN_GPIO_CTL_LED_MODE_MASK >> \ + I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) + #define I40E_LED0 22 +#define I40E_PIN_FUNC_SDP 0x0 +#define I40E_PIN_FUNC_LED 0x1 + /** * i40e_led_get - return current on/off mode * @hw: pointer to the hw struct @@ -1628,8 +1635,10 @@ void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink) u32 current_mode = 0; int i; - if (mode & 0xfffffff0) + if (mode & ~I40E_LED_MODE_VALID) { DEBUGOUT1("invalid mode passed in %X\n", mode); + return; + } /* as per the documentation GPIO 22-29 are the LED * GPIO pins named LED0..LED7 @@ -1655,6 +1664,19 @@ void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink) break; } + if (I40E_IS_X710TL_DEVICE(hw->device_id)) { + u32 pin_func = 0; + + if (mode & I40E_FW_LED) + pin_func = I40E_PIN_FUNC_SDP; + else + pin_func = I40E_PIN_FUNC_LED; + + gpio_val &= ~I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK; + gpio_val |= ((pin_func << + I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) & + I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK); + } gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK; /* this & is a bit of paranoia, but serves as a range check */ gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) & diff --git a/drivers/net/i40e/base/i40e_devids.h b/drivers/net/i40e/base/i40e_devids.h index 1700db17a9..5897d38f67 100644 --- a/drivers/net/i40e/base/i40e_devids.h +++ b/drivers/net/i40e/base/i40e_devids.h @@ -38,6 +38,8 @@ #endif #define I40E_DEV_ID_10G_B 0x104F #define I40E_DEV_ID_10G_SFP 0x104E +#define I40E_IS_X710TL_DEVICE(d) \ + ((d) == I40E_DEV_ID_10G_BASE_T_BC) #define I40E_DEV_ID_KX_X722 0x37CE #define I40E_DEV_ID_QSFP_X722 0x37CF #define I40E_DEV_ID_SFP_X722 0x37D0 -- 2.20.1