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e8d548d5 KM |
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_FIFO_H | |
18 | #define RENESAS_USB_FIFO_H | |
19 | ||
e73a9891 KM |
20 | #include <linux/interrupt.h> |
21 | #include <linux/sh_dma.h> | |
6e4b74e4 | 22 | #include <linux/workqueue.h> |
e73a9891 | 23 | #include <asm/dma.h> |
4bd04811 KM |
24 | #include "pipe.h" |
25 | ||
d3af90a5 | 26 | struct usbhs_fifo { |
e73a9891 | 27 | char *name; |
d3af90a5 KM |
28 | u32 port; /* xFIFO */ |
29 | u32 sel; /* xFIFOSEL */ | |
30 | u32 ctr; /* xFIFOCTR */ | |
d77e3f4e KM |
31 | |
32 | struct usbhs_pipe *pipe; | |
e73a9891 KM |
33 | |
34 | struct dma_chan *tx_chan; | |
35 | struct dma_chan *rx_chan; | |
36 | ||
37 | struct sh_dmae_slave tx_slave; | |
38 | struct sh_dmae_slave rx_slave; | |
d3af90a5 KM |
39 | }; |
40 | ||
41 | struct usbhs_fifo_info { | |
42 | struct usbhs_fifo cfifo; | |
e73a9891 KM |
43 | struct usbhs_fifo d0fifo; |
44 | struct usbhs_fifo d1fifo; | |
d3af90a5 KM |
45 | }; |
46 | ||
dad67397 | 47 | struct usbhs_pkt_handle; |
4bd04811 | 48 | struct usbhs_pkt { |
6acb95d4 | 49 | struct list_head node; |
4bd04811 | 50 | struct usbhs_pipe *pipe; |
dad67397 | 51 | struct usbhs_pkt_handle *handler; |
b331872b KM |
52 | void (*done)(struct usbhs_priv *priv, |
53 | struct usbhs_pkt *pkt); | |
6e4b74e4 | 54 | struct work_struct work; |
e73a9891 | 55 | dma_addr_t dma; |
4bd04811 KM |
56 | void *buf; |
57 | int length; | |
e73a9891 | 58 | int trans; |
4bd04811 | 59 | int actual; |
659d4954 | 60 | int zero; |
3edeee38 | 61 | int sequence; |
4bd04811 | 62 | }; |
e8d548d5 | 63 | |
dad67397 | 64 | struct usbhs_pkt_handle { |
97664a20 KM |
65 | int (*prepare)(struct usbhs_pkt *pkt, int *is_done); |
66 | int (*try_run)(struct usbhs_pkt *pkt, int *is_done); | |
e73a9891 | 67 | int (*dma_done)(struct usbhs_pkt *pkt, int *is_done); |
dad67397 KM |
68 | }; |
69 | ||
e8d548d5 KM |
70 | /* |
71 | * fifo | |
72 | */ | |
d3af90a5 KM |
73 | int usbhs_fifo_probe(struct usbhs_priv *priv); |
74 | void usbhs_fifo_remove(struct usbhs_priv *priv); | |
dad67397 KM |
75 | void usbhs_fifo_init(struct usbhs_priv *priv); |
76 | void usbhs_fifo_quit(struct usbhs_priv *priv); | |
e8d548d5 | 77 | |
4bd04811 KM |
78 | /* |
79 | * packet info | |
80 | */ | |
0cb7e61d KM |
81 | extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler; |
82 | extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler; | |
dad67397 KM |
83 | extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler; |
84 | ||
e73a9891 KM |
85 | extern struct usbhs_pkt_handle usbhs_fifo_dma_push_handler; |
86 | extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler; | |
87 | ||
9e74d601 KM |
88 | extern struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler; |
89 | extern struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler; | |
90 | ||
91 | extern struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler; | |
92 | extern struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler; | |
e73a9891 | 93 | |
6acb95d4 | 94 | void usbhs_pkt_init(struct usbhs_pkt *pkt); |
659d4954 | 95 | void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, |
b331872b KM |
96 | void (*done)(struct usbhs_priv *priv, |
97 | struct usbhs_pkt *pkt), | |
3edeee38 | 98 | void *buf, int len, int zero, int sequence); |
97664a20 | 99 | struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); |
51b8a021 | 100 | void usbhs_pkt_start(struct usbhs_pipe *pipe); |
dad67397 | 101 | |
e8d548d5 | 102 | #endif /* RENESAS_USB_FIFO_H */ |