diff options
| author | Ian Moffett <ian@osmora.org> | 2025-07-14 09:31:26 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-07-14 09:31:26 -0400 |
| commit | af7ca08dbdfcd1ce8f4a320db09d29919ca3c682 (patch) | |
| tree | 546403b0abd2de39e9a53abe1b9536535961dc31 /sys | |
| parent | 73b1b60e924908479f8b2bd424da0a4f78e07a3c (diff) | |
kernel: phy: Give more control over LED state
Allow finer control over which LEDs to toggle and how they should be
toggled.
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/phy/et131x.c | 10 | ||||
| -rw-r--r-- | sys/include/dev/phy/et131xregs.h | 19 |
2 files changed, 24 insertions, 5 deletions
diff --git a/sys/dev/phy/et131x.c b/sys/dev/phy/et131x.c index c6c588c..52fac6c 100644 --- a/sys/dev/phy/et131x.c +++ b/sys/dev/phy/et131x.c @@ -162,7 +162,7 @@ et131x_init_pci(void) } /* - * Blink the LED of the card + * Blink both LEDs of the card * * @io: Register space * @count: Number of times to blink @@ -171,10 +171,14 @@ et131x_init_pci(void) static void et131x_blink(struct et131x_iospace *io, uint32_t count, uint16_t delay) { + uint16_t on_val; + + on_val = (LED_ON << LED_LINK_SHIFT); + on_val |= (LED_ON << LED_TXRX_SHIFT); for (uint32_t i = 0; i < count; ++i) { - et131x_mii_write(io, 0, PHY_LED2, LED_ON); + et131x_mii_write(io, 0, PHY_LED2, on_val); tmr.msleep(delay); - et131x_mii_write(io, 0, PHY_LED2, LED_OFF); + et131x_mii_write(io, 0, PHY_LED2, LED_ALL_OFF); tmr.msleep(delay); } } diff --git a/sys/include/dev/phy/et131xregs.h b/sys/include/dev/phy/et131xregs.h index 54b81c0..0e05c94 100644 --- a/sys/include/dev/phy/et131xregs.h +++ b/sys/include/dev/phy/et131xregs.h @@ -228,9 +228,24 @@ struct mac_regs { /* LED register defines */ #define PHY_LED2 0x1C -/* LED control register 2 values */ +/* + * LED control register 2 values + */ +#define LED_BLINK 0xD #define LED_ON 0xE -#define LED_OFF 0xFFFF +#define LED_OFF 0xF +#define LED_ALL_OFF 0xFFFF + +/* + * LED register bit-shift constants + * + * Bits [3:0]: 100BASE-T LED + * Bits [7:4]: 100BASE-TX LED + * Bits [11:8]: TX/RX LED + * Bits [15:12]: Link LED + */ +#define LED_TXRX_SHIFT 8 +#define LED_LINK_SHIFT 12 struct et131x_iospace { |