1 | /* SPDX-License-Identifier: GPL-1.0+ */ |
2 | /* |
3 | * Renesas USB driver |
4 | * |
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 |
10 | |
11 | #include "common.h" |
12 | #include "fifo.h" |
13 | |
14 | /* |
15 | * struct |
16 | */ |
17 | struct usbhs_pipe { |
18 | u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */ |
19 | |
20 | struct usbhs_priv *priv; |
21 | struct usbhs_fifo *fifo; |
22 | struct list_head list; |
23 | |
24 | int maxp; |
25 | |
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) |
31 | |
32 | const struct usbhs_pkt_handle *handler; |
33 | |
34 | void *mod_private; |
35 | }; |
36 | |
37 | struct usbhs_pipe_info { |
38 | struct usbhs_pipe *pipe; |
39 | int size; /* array size of "pipe" */ |
40 | |
41 | int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt, |
42 | int map); |
43 | }; |
44 | |
45 | /* |
46 | * pipe list |
47 | */ |
48 | #define __usbhs_for_each_pipe(start, pos, info, i) \ |
49 | for ((i) = start; \ |
50 | ((i) < (info)->size) && ((pos) = (info)->pipe + (i)); \ |
51 | (i)++) |
52 | |
53 | #define usbhs_for_each_pipe(pos, priv, i) \ |
54 | __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i) |
55 | |
56 | #define usbhs_for_each_pipe_with_dcp(pos, priv, i) \ |
57 | __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i) |
58 | |
59 | /* |
60 | * data |
61 | */ |
62 | #define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info) |
63 | |
64 | /* |
65 | * pipe control |
66 | */ |
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); |
77 | |
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); |
96 | |
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); |
100 | |
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) |
106 | |
107 | #define usbhs_pipe_type(p) ((p)->pipe_type) |
108 | #define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t) |
109 | |
110 | /* |
111 | * dcp control |
112 | */ |
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); |
116 | |
117 | #endif /* RENESAS_USB_PIPE_H */ |
118 | |