| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #include <soc/gpio_defs.h> |
| #include <soc/intel/common/block/acpi/acpi/gpio_op.asl> |
| #include <soc/irq.h> |
| #include <soc/pcr_ids.h> |
| #include <intelblocks/gpio.h> |
| |
| Device (GPIO) |
| { |
| Name (_HID, "INT34BB") |
| Name (_UID, 0) |
| Name (_DDN, "GPIO Controller") |
| |
| Name (RBUF, ResourceTemplate() |
| { |
| Memory32Fixed (ReadWrite, 0, 0, COM0) |
| Memory32Fixed (ReadWrite, 0, 0, COM1) |
| Memory32Fixed (ReadWrite, 0, 0, COM4) |
| Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,, GIRQ) |
| { GPIO_IRQ14 } |
| }) |
| |
| /* |
| * GPIO communities 0, 1, and 4 are exported for the OS. |
| * This is based on the Linux kernel provided community map at |
| * drivers/pinctrl/intel/pinctrl-cannonlake.c:cnllp_communities[] |
| */ |
| Method (_CRS, 0, NotSerialized) |
| { |
| /* GPIO Community 0 */ |
| CreateDWordField (^RBUF, ^COM0._BAS, BAS0) |
| CreateDWordField (^RBUF, ^COM0._LEN, LEN0) |
| BAS0 = ^^PCRB (PID_GPIOCOM0) |
| LEN0 = GPIO_BASE_SIZE |
| |
| /* GPIO Community 1 */ |
| CreateDWordField (^RBUF, ^COM1._BAS, BAS1) |
| CreateDWordField (^RBUF, ^COM1._LEN, LEN1) |
| BAS1 = ^^PCRB (PID_GPIOCOM1) |
| LEN1 = GPIO_BASE_SIZE |
| |
| /* GPIO Community 4 */ |
| CreateDWordField (^RBUF, ^COM4._BAS, BAS4) |
| CreateDWordField (^RBUF, ^COM4._LEN, LEN4) |
| BAS4 = ^^PCRB (PID_GPIOCOM4) |
| LEN4 = GPIO_BASE_SIZE |
| |
| Return (RBUF) |
| } |
| |
| Method (_STA, 0, NotSerialized) |
| { |
| Return (0xF) |
| } |
| } |
| |
| /* |
| * Get GPIO DW0 Address |
| * Arg0 - GPIO Number |
| */ |
| Method (GADD, 1, NotSerialized) |
| { |
| /* GPIO Community 0 */ |
| If (Arg0 >= GPP_A0 && Arg0 <= SPI0_CLK_LOOPBK) |
| { |
| Local0 = PID_GPIOCOM0 |
| Local1 = Arg0 - GPP_A0 |
| } |
| /* GPIO Community 1 */ |
| If (Arg0 >= GPP_D0 && Arg0 <= vSD3_CD_B) |
| { |
| Local0 = PID_GPIOCOM1 |
| Local1 = Arg0 - GPP_D0 |
| } |
| /* GPIO Community 2 */ |
| If (Arg0 >= GPD0 && Arg0 <= DRAM_RESET_B) |
| { |
| Local0 = PID_GPIOCOM2 |
| Local1 = Arg0 - GPD0 |
| } |
| /* GPIO Community 3 */ |
| If (Arg0 >= HDA_BCLK && Arg0 <= TRIGGER_OUT) |
| { |
| Local0 = PID_GPIOCOM3 |
| Local1 = Arg0 - HDA_BCLK |
| } |
| /* GPIO Community 4*/ |
| If (Arg0 >= GPP_C0 && Arg0 <= CL_RST_B) |
| { |
| Local0 = PID_GPIOCOM4 |
| Local1 = Arg0 - GPP_C0 |
| } |
| Local2 = PCRB (Local0) |
| Local2 += PAD_CFG_BASE |
| Return (Local2 + Local1 * 16) |
| } |
| |
| /* |
| * Return PCR Port ID of GPIO Communities |
| * |
| * Arg0: GPIO Community (0-4) |
| */ |
| Method (GPID, 1, Serialized) |
| { |
| Switch (ToInteger (Arg0)) |
| { |
| Case (0) { |
| Local0 = PID_GPIOCOM0 |
| } |
| Case (1) { |
| Local0 = PID_GPIOCOM1 |
| } |
| Case (2) { |
| Local0 = PID_GPIOCOM2 |
| } |
| Case (3) { |
| Local0 = PID_GPIOCOM3 |
| } |
| Case (4) { |
| Local0 = PID_GPIOCOM4 |
| } |
| Default { |
| Return (0) |
| } |
| } |
| |
| Return (Local0) |
| } |
| |
| /* |
| * Configure GPIO Power Management bits |
| * |
| * Arg0: GPIO community (0-4) |
| * Arg1: PM bits in MISCCFG |
| */ |
| Method (CGPM, 2, Serialized) |
| { |
| Local0 = GPID (Arg0) |
| If (Local0 != 0) { |
| /* Mask off current PM bits */ |
| PCRA (Local0, GPIO_MISCCFG, ~MISCCFG_GPIO_PM_CONFIG_BITS) |
| /* Mask in requested bits */ |
| PCRO (Local0, GPIO_MISCCFG, Arg1 & MISCCFG_GPIO_PM_CONFIG_BITS) |
| } |
| } |
| |
| /* GPIO Power Management bits */ |
| Name(GPMB, Package(TOTAL_GPIO_COMM) {0, 0, 0, 0, 0}) |
| |
| /* |
| * Save GPIO Power Management bits |
| */ |
| Method (SGPM, 0, Serialized) |
| { |
| For (Local0 = 0, Local0 < TOTAL_GPIO_COMM, Local0++) |
| { |
| Local1 = GPID (Local0) |
| GPMB[Local0] = PCRR (Local1, GPIO_MISCCFG) |
| } |
| } |
| |
| /* |
| * Restore GPIO Power Management bits |
| */ |
| Method (RGPM, 0, Serialized) |
| { |
| For (Local0 = 0, Local0 < TOTAL_GPIO_COMM, Local0++) |
| { |
| CGPM (Local0, DerefOf(GPMB[Local0])) |
| } |
| } |
| |
| /* |
| * Save current setting of GPIO Power Management bits and |
| * enable all Power Management bits for all communities |
| */ |
| Method (EGPM, 0, Serialized) |
| { |
| /* Save current setting and will restore it when resuming */ |
| SGPM () |
| /* Enable PM bits */ |
| For (Local0 = 0, Local0 < TOTAL_GPIO_COMM, Local0++) |
| { |
| CGPM (Local0, MISCCFG_GPIO_PM_CONFIG_BITS) |
| } |
| } |