diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bcma/bcma_driver_chipcommon.h | 1 | ||||
| -rw-r--r-- | include/linux/hid.h | 6 | ||||
| -rw-r--r-- | include/linux/io-pgtable.h | 1 | ||||
| -rw-r--r-- | include/linux/mfd/macsmc.h | 86 | ||||
| -rw-r--r-- | include/linux/soc/apple/dockchannel.h | 26 | ||||
| -rw-r--r-- | include/linux/soc/apple/rtkit.h | 20 |
6 files changed, 126 insertions, 14 deletions
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index e3314f746bfa..2d94c30ed439 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -271,6 +271,7 @@ #define BCMA_CC_SROM_CONTROL_OP_WRDIS 0x40000000 #define BCMA_CC_SROM_CONTROL_OP_WREN 0x60000000 #define BCMA_CC_SROM_CONTROL_OTPSEL 0x00000010 +#define BCMA_CC_SROM_CONTROL_OTP_PRESENT 0x00000020 #define BCMA_CC_SROM_CONTROL_LOCK 0x00000008 #define BCMA_CC_SROM_CONTROL_SIZE_MASK 0x00000006 #define BCMA_CC_SROM_CONTROL_SIZE_1K 0x00000000 diff --git a/include/linux/hid.h b/include/linux/hid.h index 4363a63b9775..dacfc4c7ce01 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -569,7 +569,9 @@ struct hid_input { enum hid_type { HID_TYPE_OTHER = 0, HID_TYPE_USBMOUSE, - HID_TYPE_USBNONE + HID_TYPE_USBNONE, + HID_TYPE_SPI_KEYBOARD, + HID_TYPE_SPI_MOUSE, }; enum hid_battery_status { @@ -715,6 +717,8 @@ struct hid_descriptor { .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) #define HID_I2C_DEVICE(ven, prod) \ .bus = BUS_I2C, .vendor = (ven), .product = (prod) +#define HID_SPI_DEVICE(ven, prod) \ + .bus = BUS_SPI, .vendor = (ven), .product = (prod) #define HID_REPORT_ID(rep) \ .report_type = (rep) diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 86af6f0a00a2..76b98511cbc8 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -17,6 +17,7 @@ enum io_pgtable_fmt { ARM_MALI_LPAE, AMD_IOMMU_V1, APPLE_DART, + APPLE_DART2, IO_PGTABLE_NUM_FMTS, }; diff --git a/include/linux/mfd/macsmc.h b/include/linux/mfd/macsmc.h new file mode 100644 index 000000000000..39b4dc4ca881 --- /dev/null +++ b/include/linux/mfd/macsmc.h @@ -0,0 +1,86 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Apple SMC core definitions + * Copyright (C) The Asahi Linux Contributors + */ + +#ifndef _LINUX_MFD_MACSMC_H +#define _LINUX_MFD_MACSMC_H + +struct apple_smc; + +typedef u32 smc_key; + +#define SMC_KEY(s) (smc_key)(_SMC_KEY(#s)) +#define _SMC_KEY(s) (((s)[0] << 24) | ((s)[1] << 16) | ((s)[2] << 8) | (s)[3]) + +#define APPLE_SMC_READABLE BIT(7) +#define APPLE_SMC_WRITABLE BIT(6) +#define APPLE_SMC_FUNCTION BIT(4) + +struct apple_smc_key_info { + u8 size; + u32 type_code; + u8 flags; +}; + +int apple_smc_read(struct apple_smc *smc, smc_key key, void *buf, size_t size); +int apple_smc_write(struct apple_smc *smc, smc_key key, void *buf, size_t size); +int apple_smc_write_atomic(struct apple_smc *smc, smc_key key, void *buf, size_t size); +int apple_smc_rw(struct apple_smc *smc, smc_key key, void *wbuf, size_t wsize, + void *rbuf, size_t rsize); + +int apple_smc_get_key_count(struct apple_smc *smc); +int apple_smc_find_first_key_index(struct apple_smc *smc, smc_key key); +int apple_smc_get_key_by_index(struct apple_smc *smc, int index, smc_key *key); +int apple_smc_get_key_info(struct apple_smc *smc, smc_key key, struct apple_smc_key_info *info); + +static inline bool apple_smc_key_exists(struct apple_smc *smc, smc_key key) +{ + return apple_smc_get_key_info(smc, key, NULL) >= 0; +} + +#define APPLE_SMC_TYPE_OPS(type) \ + static inline int apple_smc_read_##type(struct apple_smc *smc, smc_key key, type *p) \ + { \ + int ret = apple_smc_read(smc, key, p, sizeof(*p)); \ + return (ret < 0) ? ret : ((ret != sizeof(*p)) ? -EINVAL : 0); \ + } \ + static inline int apple_smc_write_##type(struct apple_smc *smc, smc_key key, type p) \ + { \ + return apple_smc_write(smc, key, &p, sizeof(p)); \ + } \ + static inline int apple_smc_write_##type##_atomic(struct apple_smc *smc, smc_key key, type p) \ + { \ + return apple_smc_write_atomic(smc, key, &p, sizeof(p)); \ + } \ + static inline int apple_smc_rw_##type(struct apple_smc *smc, smc_key key, \ + type w, type *r) \ + { \ + int ret = apple_smc_rw(smc, key, &w, sizeof(w), r, sizeof(*r)); \ + return (ret < 0) ? ret : ((ret != sizeof(*r)) ? -EINVAL : 0); \ + } + +APPLE_SMC_TYPE_OPS(u64) +APPLE_SMC_TYPE_OPS(u32) +APPLE_SMC_TYPE_OPS(u16) +APPLE_SMC_TYPE_OPS(u8) +APPLE_SMC_TYPE_OPS(s64) +APPLE_SMC_TYPE_OPS(s32) +APPLE_SMC_TYPE_OPS(s16) +APPLE_SMC_TYPE_OPS(s8) + +static inline int apple_smc_read_flag(struct apple_smc *smc, smc_key key) +{ + u8 val; + int ret = apple_smc_read_u8(smc, key, &val); + if (ret < 0) + return ret; + return val ? 1 : 0; +} +#define apple_smc_write_flag apple_smc_write_u8 + +int apple_smc_register_notifier(struct apple_smc *smc, struct notifier_block *n); +int apple_smc_unregister_notifier(struct apple_smc *smc, struct notifier_block *n); + +#endif diff --git a/include/linux/soc/apple/dockchannel.h b/include/linux/soc/apple/dockchannel.h new file mode 100644 index 000000000000..0b7093935ddf --- /dev/null +++ b/include/linux/soc/apple/dockchannel.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ +/* + * Apple Dockchannel devices + * Copyright (C) The Asahi Linux Contributors + */ +#ifndef _LINUX_APPLE_DOCKCHANNEL_H_ +#define _LINUX_APPLE_DOCKCHANNEL_H_ + +#include <linux/device.h> +#include <linux/types.h> +#include <linux/of_platform.h> + +#if IS_ENABLED(CONFIG_APPLE_DOCKCHANNEL) + +struct dockchannel; + +struct dockchannel *dockchannel_init(struct platform_device *pdev); + +int dockchannel_send(struct dockchannel *dockchannel, const void *buf, size_t count); +int dockchannel_recv(struct dockchannel *dockchannel, void *buf, size_t count); +int dockchannel_await(struct dockchannel *dockchannel, + void (*callback)(void *cookie, size_t avail), + void *cookie, size_t count); + +#endif +#endif diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index 88eb832eac7b..2d837aa7b91f 100644 --- a/include/linux/soc/apple/rtkit.h +++ b/include/linux/soc/apple/rtkit.h @@ -135,21 +135,15 @@ int apple_rtkit_send_message(struct apple_rtkit *rtk, u8 ep, u64 message, struct completion *completion, bool atomic); /* - * Send a message to the given endpoint and wait until it has been submitted - * to the hardware FIFO. - * Will return zero on success and a negative error code on failure - * (e.g. -ETIME when the message couldn't be written within the given - * timeout) + * Process incoming messages in atomic context. + * This only guarantees that messages arrive as far as the recv_message_early + * callback; drivers expecting to handle incoming messages synchronously + * by calling this function must do it that way. + * Will return 1 if some data was processed, 0 if none was, or a + * negative error code on failure. * * @rtk: RTKit reference - * @ep: target endpoint - * @message: message to be sent - * @timeout: timeout in milliseconds to allow the message transmission - * to be completed - * @atomic: if set to true this function can be called from atomic - * context. */ -int apple_rtkit_send_message_wait(struct apple_rtkit *rtk, u8 ep, u64 message, - unsigned long timeout, bool atomic); +int apple_rtkit_poll(struct apple_rtkit *rtk); #endif /* _LINUX_APPLE_RTKIT_H_ */ |