1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-1.0+ */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Renesas USB driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2011 Renesas Solutions Corp. 6*4882a593Smuzhiyun * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun #ifndef RENESAS_USB_PIPE_H 9*4882a593Smuzhiyun #define RENESAS_USB_PIPE_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include "common.h" 12*4882a593Smuzhiyun #include "fifo.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * struct 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun struct usbhs_pipe { 18*4882a593Smuzhiyun u32 pipe_type; /* USB_ENDPOINT_XFER_xxx */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct usbhs_priv *priv; 21*4882a593Smuzhiyun struct usbhs_fifo *fifo; 22*4882a593Smuzhiyun struct list_head list; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun int maxp; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun u32 flags; 27*4882a593Smuzhiyun #define USBHS_PIPE_FLAGS_IS_USED (1 << 0) 28*4882a593Smuzhiyun #define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) 29*4882a593Smuzhiyun #define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2) 30*4882a593Smuzhiyun #define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3) 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun const struct usbhs_pkt_handle *handler; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun void *mod_private; 35*4882a593Smuzhiyun }; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun struct usbhs_pipe_info { 38*4882a593Smuzhiyun struct usbhs_pipe *pipe; 39*4882a593Smuzhiyun int size; /* array size of "pipe" */ 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun int (*dma_map_ctrl)(struct device *dma_dev, struct usbhs_pkt *pkt, 42*4882a593Smuzhiyun int map); 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* 46*4882a593Smuzhiyun * pipe list 47*4882a593Smuzhiyun */ 48*4882a593Smuzhiyun #define __usbhs_for_each_pipe(start, pos, info, i) \ 49*4882a593Smuzhiyun for ((i) = start; \ 50*4882a593Smuzhiyun ((i) < (info)->size) && ((pos) = (info)->pipe + (i)); \ 51*4882a593Smuzhiyun (i)++) 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #define usbhs_for_each_pipe(pos, priv, i) \ 54*4882a593Smuzhiyun __usbhs_for_each_pipe(1, pos, &((priv)->pipe_info), i) 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #define usbhs_for_each_pipe_with_dcp(pos, priv, i) \ 57*4882a593Smuzhiyun __usbhs_for_each_pipe(0, pos, &((priv)->pipe_info), i) 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun /* 60*4882a593Smuzhiyun * data 61*4882a593Smuzhiyun */ 62*4882a593Smuzhiyun #define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info) 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun /* 65*4882a593Smuzhiyun * pipe control 66*4882a593Smuzhiyun */ 67*4882a593Smuzhiyun char *usbhs_pipe_name(struct usbhs_pipe *pipe); 68*4882a593Smuzhiyun struct usbhs_pipe 69*4882a593Smuzhiyun *usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in); 70*4882a593Smuzhiyun void usbhs_pipe_free(struct usbhs_pipe *pipe); 71*4882a593Smuzhiyun int usbhs_pipe_probe(struct usbhs_priv *priv); 72*4882a593Smuzhiyun void usbhs_pipe_remove(struct usbhs_priv *priv); 73*4882a593Smuzhiyun int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); 74*4882a593Smuzhiyun int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe); 75*4882a593Smuzhiyun int usbhs_pipe_is_running(struct usbhs_pipe *pipe); 76*4882a593Smuzhiyun void usbhs_pipe_running(struct usbhs_pipe *pipe, int running); 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun void usbhs_pipe_init(struct usbhs_priv *priv, 79*4882a593Smuzhiyun int (*dma_map_ctrl)(struct device *dma_dev, 80*4882a593Smuzhiyun struct usbhs_pkt *pkt, int map)); 81*4882a593Smuzhiyun int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); 82*4882a593Smuzhiyun void usbhs_pipe_clear(struct usbhs_pipe *pipe); 83*4882a593Smuzhiyun void usbhs_pipe_clear_without_sequence(struct usbhs_pipe *pipe, 84*4882a593Smuzhiyun int needs_bfre, int bfre_enable); 85*4882a593Smuzhiyun int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); 86*4882a593Smuzhiyun bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe); 87*4882a593Smuzhiyun void usbhs_pipe_enable(struct usbhs_pipe *pipe); 88*4882a593Smuzhiyun void usbhs_pipe_disable(struct usbhs_pipe *pipe); 89*4882a593Smuzhiyun void usbhs_pipe_stall(struct usbhs_pipe *pipe); 90*4882a593Smuzhiyun int usbhs_pipe_is_stall(struct usbhs_pipe *pipe); 91*4882a593Smuzhiyun void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len); 92*4882a593Smuzhiyun void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo); 93*4882a593Smuzhiyun void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel, 94*4882a593Smuzhiyun u16 epnum, u16 maxp); 95*4882a593Smuzhiyun void usbhs_pipe_config_change_bfre(struct usbhs_pipe *pipe, int enable); 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun #define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0) 98*4882a593Smuzhiyun #define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1) 99*4882a593Smuzhiyun void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data); 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun #define usbhs_pipe_to_priv(p) ((p)->priv) 102*4882a593Smuzhiyun #define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe) 103*4882a593Smuzhiyun #define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p)) 104*4882a593Smuzhiyun #define usbhs_pipe_to_fifo(p) ((p)->fifo) 105*4882a593Smuzhiyun #define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p) 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun #define usbhs_pipe_type(p) ((p)->pipe_type) 108*4882a593Smuzhiyun #define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t) 109*4882a593Smuzhiyun 110*4882a593Smuzhiyun /* 111*4882a593Smuzhiyun * dcp control 112*4882a593Smuzhiyun */ 113*4882a593Smuzhiyun struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv); 114*4882a593Smuzhiyun void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe); 115*4882a593Smuzhiyun void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out); 116*4882a593Smuzhiyun 117*4882a593Smuzhiyun #endif /* RENESAS_USB_PIPE_H */ 118