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 */ 26 struct 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 40 struct usbhs_pkt_handle *handler; 41 42 void *mod_private; 43 }; 44 45 struct usbhs_pipe_info { 46 struct usbhs_pipe *pipe; 47 int size; /* array size of "pipe" */ 48 int bufnmb_last; /* FIXME : driver needs good allocator */ 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, pos = (info)->pipe + i; \ 58 i < (info)->size; \ 59 i++, pos = (info)->pipe + 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 */ 75 char *usbhs_pipe_name(struct usbhs_pipe *pipe); 76 struct usbhs_pipe 77 *usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in); 78 int usbhs_pipe_probe(struct usbhs_priv *priv); 79 void usbhs_pipe_remove(struct usbhs_priv *priv); 80 int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); 81 int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe); 82 void usbhs_pipe_init(struct usbhs_priv *priv, 83 int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)); 84 int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); 85 void usbhs_pipe_clear(struct usbhs_pipe *pipe); 86 int usbhs_pipe_is_accessible(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 96 #define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0) 97 #define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1) 98 void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data); 99 100 #define usbhs_pipe_to_priv(p) ((p)->priv) 101 #define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe) 102 #define usbhs_pipe_is_dcp(p) ((p)->priv->pipe_info.pipe == (p)) 103 #define usbhs_pipe_to_fifo(p) ((p)->fifo) 104 #define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p) 105 106 #define usbhs_pipe_type(p) ((p)->pipe_type) 107 #define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t) 108 109 /* 110 * dcp control 111 */ 112 struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv); 113 void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe); 114 void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out); 115 116 #endif /* RENESAS_USB_PIPE_H */ 117