/* SPDX-License-Identifier: GPL-2.0-only */ #include <stdint.h> #include <string.h> #include <acpi/acpi.h> #include <acpi/acpi_pld.h> int acpi_pld_fill_usb(struct acpi_pld *pld, enum acpi_upc_type type, struct acpi_pld_group *group) { if (!pld) return -1; memset(pld, 0, sizeof(struct acpi_pld)); /* Set defaults */ pld->ignore_color = 1; pld->panel = PLD_PANEL_UNKNOWN; pld->vertical_position = PLD_VERTICAL_POSITION_CENTER; pld->horizontal_position = PLD_HORIZONTAL_POSITION_CENTER; pld->rotation = PLD_ROTATE_0; pld->visible = 1; pld->group.token = group->token; pld->group.position = group->position; /* Set the shape based on port type */ switch (type) { case UPC_TYPE_A: case UPC_TYPE_USB3_A: case UPC_TYPE_USB3_POWER_B: pld->shape = PLD_SHAPE_HORIZONTAL_RECTANGLE; break; case UPC_TYPE_MINI_AB: case UPC_TYPE_USB3_B: pld->shape = PLD_SHAPE_CHAMFERED; break; case UPC_TYPE_USB3_MICRO_B: case UPC_TYPE_USB3_MICRO_AB: pld->shape = PLD_SHAPE_HORIZONTAL_TRAPEZOID; break; case UPC_TYPE_C_USB2_ONLY: case UPC_TYPE_C_USB2_SS_SWITCH: case UPC_TYPE_C_USB2_SS: pld->shape = PLD_SHAPE_OVAL; break; case UPC_TYPE_INTERNAL: default: pld->shape = PLD_SHAPE_UNKNOWN; pld->visible = 0; break; } return 0; } int acpi_pld_to_buffer(const struct acpi_pld *pld, uint8_t *buf, int buf_len) { if (!pld || !buf) return -1; memset(buf, 0, buf_len); /* [0] Revision (=2) */ buf[0] = 0x2; if (pld->ignore_color) { /* [1] Ignore Color */ buf[0] |= 0x80; } else { /* [15:8] Red Color */ buf[1] = pld->color_red; /* [23:16] Green Color */ buf[2] = pld->color_green; /* [31:24] Blue Color */ buf[3] = pld->color_blue; } /* [47:32] Width */ buf[4] = pld->width & 0xff; buf[5] = pld->width >> 8; /* [63:48] Height */ buf[6] = pld->height & 0xff; buf[7] = pld->height >> 8; /* [64] User Visible */ buf[8] |= (pld->visible & 0x1); /* [65] Dock */ buf[8] |= (pld->dock & 0x1) << 1; /* [66] Lid */ buf[8] |= (pld->lid & 0x1) << 2; /* [69:67] Panel */ buf[8] |= (pld->panel & 0x7) << 3; /* [71:70] Vertical Position */ buf[8] |= (pld->vertical_position & 0x3) << 6; /* [73:72] Horizontal Position */ buf[9] |= (pld->horizontal_position & 0x3); /* [77:74] Shape */ buf[9] |= (pld->shape & 0xf) << 2; /* [78] Orientation */ buf[9] |= (pld->orientation & 0x1) << 6; /* [86:79] Group Token (incorrectly defined as 1 bit in ACPI 6.2A) */ buf[9] |= (pld->group.token & 0x1) << 7; buf[10] |= (pld->group.token >> 0x1) & 0x7f; /* [94:87] Group Position */ buf[10] |= (pld->group.position & 0x1) << 7; buf[11] |= (pld->group.position >> 0x1) & 0x7f; /* [95] Bay */ buf[11] |= (pld->bay & 0x1) << 7; /* [96] Ejectable */ buf[12] |= (pld->ejectable & 0x1); /* [97] Ejectable with OSPM help */ buf[12] |= (pld->ejectable_ospm & 0x1) << 1; /* [105:98] Cabinet Number */ buf[12] |= (pld->cabinet_number & 0x3f) << 2; buf[13] |= (pld->cabinet_number >> 6) & 0x3; /* [113:106] Card Cage Number */ buf[13] |= (pld->card_cage_number & 0x3f) << 2; buf[14] |= (pld->card_cage_number >> 6) & 0x3; /* [114] PLD is a Reference Shape */ buf[14] |= (pld->reference_shape & 0x1) << 2; /* [118:115] Rotation */ buf[14] |= (pld->rotation & 0xf) << 3; /* [123:119] Draw Order */ buf[14] |= (pld->draw_order & 0x1) << 7; buf[15] |= (pld->draw_order >> 1) & 0xf; /* [127:124] Reserved */ /* Both 16 byte and 20 byte buffers are supported by the spec */ if (buf_len == 20) { /* [143:128] Vertical Offset */ buf[16] = pld->vertical_offset & 0xff; buf[17] = pld->vertical_offset >> 8; /* [159:144] Horizontal Offset */ buf[18] = pld->horizontal_offset & 0xff; buf[19] = pld->horizontal_offset >> 8; } return 0; }