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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 */
17struct 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
37struct 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 */
67char *usbhs_pipe_name(struct usbhs_pipe *pipe);
68struct usbhs_pipe
69*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
70void usbhs_pipe_free(struct usbhs_pipe *pipe);
71int usbhs_pipe_probe(struct usbhs_priv *priv);
72void usbhs_pipe_remove(struct usbhs_priv *priv);
73int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
74int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
75int usbhs_pipe_is_running(struct usbhs_pipe *pipe);
76void usbhs_pipe_running(struct usbhs_pipe *pipe, int running);
77
78void usbhs_pipe_init(struct usbhs_priv *priv,
79 int (*dma_map_ctrl)(struct device *dma_dev,
80 struct usbhs_pkt *pkt, int map));
81int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
82void usbhs_pipe_clear(struct usbhs_pipe *pipe);
83void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe,
84 int needs_bfre, int bfre_enable);
85int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
86bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe);
87void usbhs_pipe_enable(struct usbhs_pipe *pipe);
88void usbhs_pipe_disable(struct usbhs_pipe *pipe);
89void usbhs_pipe_stall(struct usbhs_pipe *pipe);
90int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
91void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len);
92void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
93void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
94 u16 epnum, u16 maxp);
95void 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)
99void 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 */
113struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
114void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
115void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);
116
117#endif /* RENESAS_USB_PIPE_H */
1/*
2 * Renesas USB driver
3 *
4 * Copyright (C) 2011 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
15 *
16 */
17#ifndef RENESAS_USB_PIPE_H
18#define RENESAS_USB_PIPE_H
19
20#include "common.h"
21#include "fifo.h"
22
23/*
24 * struct
25 */
26struct usbhs_pipe {
27 u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */
28
29 struct usbhs_priv *priv;
30 struct usbhs_fifo *fifo;
31 struct list_head list;
32
33 int maxp;
34
35 u32 flags;
36#define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
37#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
38#define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2)
39#define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3)
40
41 const struct usbhs_pkt_handle *handler;
42
43 void *mod_private;
44};
45
46struct usbhs_pipe_info {
47 struct usbhs_pipe *pipe;
48 int size; /* array size of "pipe" */
49
50 int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map);
51};
52
53/*
54 * pipe list
55 */
56#define __usbhs_for_each_pipe(start, pos, info, i) \
57 for ((i) = start; \
58 ((i) < (info)->size) && ((pos) = (info)->pipe + (i)); \
59 (i)++)
60
61#define usbhs_for_each_pipe(pos, priv, i) \
62 __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i)
63
64#define usbhs_for_each_pipe_with_dcp(pos, priv, i) \
65 __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i)
66
67/*
68 * data
69 */
70#define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info)
71
72/*
73 * pipe control
74 */
75char *usbhs_pipe_name(struct usbhs_pipe *pipe);
76struct usbhs_pipe
77*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
78void usbhs_pipe_free(struct usbhs_pipe *pipe);
79int usbhs_pipe_probe(struct usbhs_priv *priv);
80void usbhs_pipe_remove(struct usbhs_priv *priv);
81int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
82int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
83int usbhs_pipe_is_running(struct usbhs_pipe *pipe);
84void usbhs_pipe_running(struct usbhs_pipe *pipe, int running);
85
86void usbhs_pipe_init(struct usbhs_priv *priv,
87 int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map));
88int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
89void usbhs_pipe_clear(struct usbhs_pipe *pipe);
90int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
91void usbhs_pipe_enable(struct usbhs_pipe *pipe);
92void usbhs_pipe_disable(struct usbhs_pipe *pipe);
93void usbhs_pipe_stall(struct usbhs_pipe *pipe);
94int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
95void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len);
96void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
97void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
98 u16 epnum, u16 maxp);
99void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable);
100
101#define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0)
102#define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1)
103void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);
104
105#define usbhs_pipe_to_priv(p) ((p)->priv)
106#define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe)
107#define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p))
108#define usbhs_pipe_to_fifo(p) ((p)->fifo)
109#define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p)
110
111#define usbhs_pipe_type(p) ((p)->pipe_type)
112#define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t)
113
114/*
115 * dcp control
116 */
117struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
118void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
119void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);
120
121#endif /* RENESAS_USB_PIPE_H */