Merge tag 'trace-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[linux/fpc-iii.git] / drivers / usb / renesas_usbhs / pipe.h
bloba4ae9f97d9cd31b51681eb8d58d11fe3a25c2917
1 /* SPDX-License-Identifier: GPL-1.0+ */
2 /*
3 * Renesas USB driver
5 * Copyright (C) 2011 Renesas Solutions Corp.
6 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7 */
8 #ifndef RENESAS_USB_PIPE_H
9 #define RENESAS_USB_PIPE_H
11 #include "common.h"
12 #include "fifo.h"
15 * struct
17 struct usbhs_pipe {
18 u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */
20 struct usbhs_priv *priv;
21 struct usbhs_fifo *fifo;
22 struct list_head list;
24 int maxp;
26 u32 flags;
27 #define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
28 #define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
29 #define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2)
30 #define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3)
32 const struct usbhs_pkt_handle *handler;
34 void *mod_private;
37 struct usbhs_pipe_info {
38 struct usbhs_pipe *pipe;
39 int size; /* array size of "pipe" */
41 int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt,
42 int map);
46 * pipe list
48 #define __usbhs_for_each_pipe(start, pos, info, i) \
49 for ((i) = start; \
50 ((i) < (info)->size) && ((pos) = (info)->pipe + (i)); \
51 (i)++)
53 #define usbhs_for_each_pipe(pos, priv, i) \
54 __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
56 #define usbhs_for_each_pipe_with_dcp(pos, priv, i) \
57 __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
60 * data
62 #define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info)
65 * pipe control
67 char *usbhs_pipe_name(struct usbhs_pipe *pipe);
68 struct usbhs_pipe
69 *usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
70 void usbhs_pipe_free(struct usbhs_pipe *pipe);
71 int usbhs_pipe_probe(struct usbhs_priv *priv);
72 void usbhs_pipe_remove(struct usbhs_priv *priv);
73 int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
74 int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
75 int usbhs_pipe_is_running(struct usbhs_pipe *pipe);
76 void usbhs_pipe_running(struct usbhs_pipe *pipe, int running);
78 void usbhs_pipe_init(struct usbhs_priv *priv,
79 int (*dma_map_ctrl)(struct device *dma_dev,
80 struct usbhs_pkt *pkt, int map));
81 int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
82 void usbhs_pipe_clear(struct usbhs_pipe *pipe);
83 void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe,
84 int needs_bfre, int bfre_enable);
85 int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
86 bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe);
87 void usbhs_pipe_enable(struct usbhs_pipe *pipe);
88 void usbhs_pipe_disable(struct usbhs_pipe *pipe);
89 void usbhs_pipe_stall(struct usbhs_pipe *pipe);
90 int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
91 void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len);
92 void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
93 void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
94 u16 epnum, u16 maxp);
95 void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable);
97 #define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0)
98 #define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1)
99 void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);
101 #define usbhs_pipe_to_priv(p) ((p)->priv)
102 #define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe)
103 #define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p))
104 #define usbhs_pipe_to_fifo(p) ((p)->fifo)
105 #define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p)
107 #define usbhs_pipe_type(p) ((p)->pipe_type)
108 #define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t)
111 * dcp control
113 struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
114 void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
115 void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);
117 #endif /* RENESAS_USB_PIPE_H */