diff options
Diffstat (limited to 'zephyr/projects/trogdor/lazor/src/sku.c')
-rw-r--r-- | zephyr/projects/trogdor/lazor/src/sku.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/zephyr/projects/trogdor/lazor/src/sku.c b/zephyr/projects/trogdor/lazor/src/sku.c new file mode 100644 index 0000000000..1d88437031 --- /dev/null +++ b/zephyr/projects/trogdor/lazor/src/sku.c @@ -0,0 +1,92 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "common.h" +#include "config.h" +#include "console.h" +#include "driver/ln9310.h" +#include "tcpm/ps8xxx_public.h" +#include "hooks.h" +#include "sku.h" +#include "system.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ##args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ##args) + +static uint8_t sku_id; + +enum board_model { + LAZOR, + LIMOZEEN, + UNKNOWN, +}; + +static const char *const model_name[] = { + "LAZOR", + "LIMOZEEN", + "UNKNOWN", +}; + +static enum board_model get_model(void) +{ + if (sku_id == 0 || sku_id == 1 || sku_id == 2 || sku_id == 3) + return LAZOR; + if (sku_id == 4 || sku_id == 5 || sku_id == 6) + return LIMOZEEN; + return UNKNOWN; +} + +/* Read SKU ID from GPIO and initialize variables for board variants */ +static void sku_init(void) +{ + sku_id = system_get_sku_id(); + CPRINTS("SKU: %u (%s)", sku_id, model_name[get_model()]); +} +DECLARE_HOOK(HOOK_INIT, sku_init, HOOK_PRIO_POST_I2C); + +enum battery_cell_type board_get_battery_cell_type(void) +{ + switch (get_model()) { + case LIMOZEEN: + return BATTERY_CELL_TYPE_3S; + default: + return BATTERY_CELL_TYPE_UNKNOWN; + } +} + +int board_is_clamshell(void) +{ + return get_model() == LIMOZEEN; +} + +__override uint16_t board_get_ps8xxx_product_id(int port) +{ + /* + * Lazor (SKU_ID: 0, 1, 2, 3) rev 3+ changes TCPC from PS8751 to + * PS8805. + * + * Limozeen (SKU_ID: 4, 5, 6) all-rev uses PS8805. + */ + if (get_model() == LAZOR && system_get_board_version() < 3) + return PS8751_PRODUCT_ID; + + return PS8805_PRODUCT_ID; +} + +int board_has_da9313(void) +{ + return get_model() == LAZOR; +} + +int board_has_buck_ic(void) +{ + return get_model() == LIMOZEEN && system_get_board_version() >= 8; +} + +int board_has_ln9310(void) +{ + return get_model() == LIMOZEEN && system_get_board_version() < 8; +} |