^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Texas Instruments TI-SCI Processor Controller Helper Functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Suman Anna <s-anna@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef REMOTEPROC_TI_SCI_PROC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define REMOTEPROC_TI_SCI_PROC_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/soc/ti/ti_sci_protocol.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * struct ti_sci_proc - structure representing a processor control client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * @sci: cached TI-SCI protocol handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * @ops: cached TI-SCI proc ops
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * @dev: cached client device pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * @proc_id: processor id for the consumer remoteproc device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * @host_id: host id to pass the control over for this consumer remoteproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct ti_sci_proc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) const struct ti_sci_handle *sci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) const struct ti_sci_proc_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) u8 proc_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u8 host_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ret = tsp->ops->request(tsp->sci, tsp->proc_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) dev_err(tsp->dev, "ti-sci processor request failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ret = tsp->ops->release(tsp->sci, tsp->proc_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) dev_err(tsp->dev, "ti-sci processor release failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) tsp->proc_id, tsp->host_id, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u64 boot_vector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u32 cfg_set, u32 cfg_clr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) cfg_set, cfg_clr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) u32 ctrl_set, u32 ctrl_clr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u64 *boot_vector, u32 *cfg_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u32 *ctrl_flags, u32 *status_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) ret = tsp->ops->get_status(tsp->sci, tsp->proc_id, boot_vector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) cfg_flags, ctrl_flags, status_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #endif /* REMOTEPROC_TI_SCI_PROC_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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