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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/usb/renesas_usbhs/pipe.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.h')
-rw-r--r-- | drivers/usb/renesas_usbhs/pipe.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h new file mode 100644 index 000000000..a4ae9f97d --- /dev/null +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -0,0 +1,117 @@ +/* SPDX-License-Identifier: GPL-1.0+ */ +/* + * Renesas USB driver + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + */ +#ifndef RENESAS_USB_PIPE_H +#define RENESAS_USB_PIPE_H + +#include "common.h" +#include "fifo.h" + +/* + * struct + */ +struct usbhs_pipe { + u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */ + + struct usbhs_priv *priv; + struct usbhs_fifo *fifo; + struct list_head list; + + int maxp; + + u32 flags; +#define USBHS_PIPE_FLAGS_IS_USED (1 << 0) +#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) +#define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2) +#define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3) + + const struct usbhs_pkt_handle *handler; + + void *mod_private; +}; + +struct usbhs_pipe_info { + struct usbhs_pipe *pipe; + int size; /* array size of "pipe" */ + + int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt, + int map); +}; + +/* + * pipe list + */ +#define __usbhs_for_each_pipe(start, pos, info, i) \ + for ((i) = start; \ + ((i) < (info)->size) && ((pos) = (info)->pipe + (i)); \ + (i)++) + +#define usbhs_for_each_pipe(pos, priv, i) \ + __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i) + +#define usbhs_for_each_pipe_with_dcp(pos, priv, i) \ + __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i) + +/* + * data + */ +#define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info) + +/* + * pipe control + */ +char *usbhs_pipe_name(struct usbhs_pipe *pipe); +struct usbhs_pipe +*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in); +void usbhs_pipe_free(struct usbhs_pipe *pipe); +int usbhs_pipe_probe(struct usbhs_priv *priv); +void usbhs_pipe_remove(struct usbhs_priv *priv); +int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); +int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe); +int usbhs_pipe_is_running(struct usbhs_pipe *pipe); +void usbhs_pipe_running(struct usbhs_pipe *pipe, int running); + +void usbhs_pipe_init(struct usbhs_priv *priv, + int (*dma_map_ctrl)(struct device *dma_dev, + struct usbhs_pkt *pkt, int map)); +int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); +void usbhs_pipe_clear(struct usbhs_pipe *pipe); +void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe, + int needs_bfre, int bfre_enable); +int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); +bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe); +void usbhs_pipe_enable(struct usbhs_pipe *pipe); +void usbhs_pipe_disable(struct usbhs_pipe *pipe); +void usbhs_pipe_stall(struct usbhs_pipe *pipe); +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe); +void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len); +void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo); +void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel, + u16 epnum, u16 maxp); +void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable); + +#define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0) +#define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1) +void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data); + +#define usbhs_pipe_to_priv(p) ((p)->priv) +#define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe) +#define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p)) +#define usbhs_pipe_to_fifo(p) ((p)->fifo) +#define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p) + +#define usbhs_pipe_type(p) ((p)->pipe_type) +#define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t) + +/* + * dcp control + */ +struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv); +void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe); +void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out); + +#endif /* RENESAS_USB_PIPE_H */ |