diff options
Diffstat (limited to 'sys/dev/iicbus/controller/qcom/geni_iic_var.h')
| -rw-r--r-- | sys/dev/iicbus/controller/qcom/geni_iic_var.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sys/dev/iicbus/controller/qcom/geni_iic_var.h b/sys/dev/iicbus/controller/qcom/geni_iic_var.h new file mode 100644 index 000000000000..9ce8200c6fe5 --- /dev/null +++ b/sys/dev/iicbus/controller/qcom/geni_iic_var.h @@ -0,0 +1,80 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2025 Poul-Henning Kamp <phk@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef _GENIIIC_GENI_VAR_H_ +#define _GENIIIC_GENI_VAR_H_ + +#include "bus_if.h" +#include "device_if.h" +#include "iicbus_if.h" + +struct geniiic_softc { + device_t dev; + device_t iicbus; + struct resource *regs_res; + int regs_rid; + struct resource *intr_res; + int intr_rid; + void *intr_handle; + int intr_type; + uint32_t intr_mask; + + bool bus_locked; + + bool platform_attached; + + int nfail; + unsigned worst; + + unsigned rx_fifo_size; + bool rx_complete; + bool rx_fifo; + uint8_t *rx_buf; + unsigned rx_len; + uint32_t cmd_status; + + // Protect access to the bus + struct sx bus_lock; + struct sx real_bus_lock; + + // Coordinate with interrupt routine + struct mtx intr_lock; +}; + +typedef struct geniiic_softc geniiic_softc_t; + +int geniiic_attach(geniiic_softc_t *sc); +int geniiic_detach(geniiic_softc_t *sc); +int geniiic_suspend(geniiic_softc_t *sc); +int geniiic_resume(geniiic_softc_t *sc); + +extern iicbus_transfer_t geniiic_transfer; +extern iicbus_reset_t geniiic_reset; +extern iicbus_callback_t geniiic_callback; + +#endif /* _GENIIIC_GENI_VAR_H_ */ |