diff options
| author | Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com> | 2021-03-02 11:56:52 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-04 03:53:32 +0000 |
| commit | 2cbb8138fc7cecf24a12add9acb9a6f330589e59 (patch) | |
| tree | 513cf1bbd22468e8a1c48a17fca48eb419e0bc9a | |
| parent | e0bfb89ba8ad0c36dfbd23fb1d3ff9e6b2a8de39 (diff) | |
| download | chrome-ec-2cbb8138fc7cecf24a12add9acb9a6f330589e59.tar.gz | |
galtic: Fine tune tusb544 EQ setting
Modify strength value setting of tusb544.
BUG=b:179224587
BRANCH=firmware-dedede-13606.B
TEST=make BOARD=galtic
1. Verified pass by EE.
2. Use "ectool i2cread" to check setting value.
Signed-off-by: Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com>
Change-Id: I06849c9d94584e484a58cc5e614ce7d4fb60fce6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2726784
Reviewed-by: Michael5 Chen <michael5_chen1@pegatron.corp-partner.google.com>
Reviewed-by: Diana Z <dzigterman@chromium.org>
| -rw-r--r-- | board/galtic/board.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/board/galtic/board.c b/board/galtic/board.c index ce37f943bc..01a9462230 100644 --- a/board/galtic/board.c +++ b/board/galtic/board.c @@ -212,11 +212,114 @@ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { }; /* USB Retimer */ +enum tusb544_conf { + USB_DP = 0, + USB_DP_INV, + USB, + USB_INV, + DP, + DP_INV +}; + +static int board_tusb544_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + int rv = EC_SUCCESS; + enum tusb544_conf usb_mode = 0; + /* USB */ + if (mux_state & USB_PD_MUX_USB_ENABLED) { + /* USB with DP */ + if (mux_state & USB_PD_MUX_DP_ENABLED) { + usb_mode = (mux_state & USB_PD_MUX_POLARITY_INVERTED) + ? USB_DP_INV + : USB_DP; + } + /* USB without DP */ + else { + usb_mode = (mux_state & USB_PD_MUX_POLARITY_INVERTED) + ? USB_INV + : USB; + } + } + /* DP without USB */ + else if (mux_state & USB_PD_MUX_DP_ENABLED) { + usb_mode = (mux_state & USB_PD_MUX_POLARITY_INVERTED) + ? DP_INV + : DP; + } + /* Nothing enabled */ + else + return EC_SUCCESS; + /* Write the retimer config byte */ + if (usb_mode == USB_INV) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x15); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_1, 0x22); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_2, 0x22); + } else if (usb_mode == USB) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x11); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_1, 0x22); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_2, 0x22); + } else if (usb_mode == USB_DP_INV) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x1F); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x99); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_1, 0x22); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_2, 0x22); + } else if (usb_mode == USB_DP) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x1B); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x99); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x33); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_1, 0x22); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_USB3_1_2, 0x22); + } else if (usb_mode == DP_INV) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x1E); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x99); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x99); + } else if (usb_mode == DP) { + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_GENERAL4, 0x1A); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_1, 0x99); + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB544_REG_DISPLAYPORT_2, 0x99); + } + + return rv; +} + const struct usb_mux usbc1_retimer = { .usb_port = 1, .i2c_port = I2C_PORT_SUB_USB_C1, .i2c_addr_flags = TUSB544_I2C_ADDR_FLAGS0, .driver = &tusb544_drv, + .board_set = &board_tusb544_set, }; /* USB Muxes */ |