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f1407d5c KM |
1 | /* |
2 | * Renesas USB | |
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_H | |
18 | #define RENESAS_USB_H | |
19 | #include <linux/platform_device.h> | |
20 | #include <linux/usb/ch9.h> | |
21 | ||
22 | /* | |
23 | * module type | |
24 | * | |
25 | * it will be return value from get_id | |
26 | */ | |
27 | enum { | |
28 | USBHS_HOST = 0, | |
29 | USBHS_GADGET, | |
30 | USBHS_MAX, | |
31 | }; | |
32 | ||
33 | /* | |
34 | * callback functions table for driver | |
35 | * | |
36 | * These functions are called from platform for driver. | |
37 | * Callback function's pointer will be set before | |
38 | * renesas_usbhs_platform_callback :: hardware_init was called | |
39 | */ | |
40 | struct renesas_usbhs_driver_callback { | |
41 | int (*notify_hotplug)(struct platform_device *pdev); | |
42 | }; | |
43 | ||
44 | /* | |
45 | * callback functions for platform | |
46 | * | |
47 | * These functions are called from driver for platform | |
48 | */ | |
49 | struct renesas_usbhs_platform_callback { | |
50 | ||
51 | /* | |
52 | * option: | |
53 | * | |
54 | * Hardware init function for platform. | |
55 | * it is called when driver was probed. | |
56 | */ | |
57 | int (*hardware_init)(struct platform_device *pdev); | |
58 | ||
59 | /* | |
60 | * option: | |
61 | * | |
62 | * Hardware exit function for platform. | |
63 | * it is called when driver was removed | |
64 | */ | |
225da3e3 | 65 | int (*hardware_exit)(struct platform_device *pdev); |
f1407d5c | 66 | |
f1ee56a0 KM |
67 | /* |
68 | * option: | |
69 | * | |
70 | * for board specific clock control | |
71 | */ | |
225da3e3 | 72 | int (*power_ctrl)(struct platform_device *pdev, |
f1ee56a0 KM |
73 | void __iomem *base, int enable); |
74 | ||
f1407d5c KM |
75 | /* |
76 | * option: | |
77 | * | |
78 | * Phy reset for platform | |
79 | */ | |
225da3e3 | 80 | int (*phy_reset)(struct platform_device *pdev); |
f1407d5c KM |
81 | |
82 | /* | |
83 | * get USB ID function | |
84 | * - USBHS_HOST | |
85 | * - USBHS_GADGET | |
86 | */ | |
87 | int (*get_id)(struct platform_device *pdev); | |
88 | ||
89 | /* | |
90 | * get VBUS status function. | |
91 | */ | |
92 | int (*get_vbus)(struct platform_device *pdev); | |
258485d9 KM |
93 | |
94 | /* | |
95 | * option: | |
96 | * | |
97 | * VBUS control is needed for Host | |
98 | */ | |
99 | int (*set_vbus)(struct platform_device *pdev, int enable); | |
f1407d5c KM |
100 | }; |
101 | ||
102 | /* | |
103 | * parameters for renesas usbhs | |
104 | * | |
105 | * some register needs USB chip specific parameters. | |
106 | * This struct show it to driver | |
107 | */ | |
51f141a9 YS |
108 | |
109 | struct renesas_usbhs_driver_pipe_config { | |
110 | u8 type; /* USB_ENDPOINT_XFER_xxx */ | |
111 | u16 bufsize; | |
112 | u8 bufnum; | |
113 | bool double_buf; | |
114 | }; | |
115 | #define RENESAS_USBHS_PIPE(_type, _size, _num, _double_buf) { \ | |
116 | .type = (_type), \ | |
117 | .bufsize = (_size), \ | |
118 | .bufnum = (_num), \ | |
119 | .double_buf = (_double_buf), \ | |
120 | } | |
121 | ||
f1407d5c KM |
122 | struct renesas_usbhs_driver_param { |
123 | /* | |
124 | * pipe settings | |
125 | */ | |
51f141a9 YS |
126 | struct renesas_usbhs_driver_pipe_config *pipe_configs; |
127 | int pipe_size; /* pipe_configs array size */ | |
f1407d5c KM |
128 | |
129 | /* | |
130 | * option: | |
131 | * | |
132 | * for BUSWAIT :: BWAIT | |
11935de5 KM |
133 | * see |
134 | * renesas_usbhs/common.c :: usbhsc_set_buswait() | |
f1407d5c KM |
135 | * */ |
136 | int buswait_bwait; | |
bc57381e KM |
137 | |
138 | /* | |
139 | * option: | |
140 | * | |
141 | * delay time from notify_hotplug callback | |
142 | */ | |
a49a88f1 | 143 | int detection_delay; /* msec */ |
e73a9891 KM |
144 | |
145 | /* | |
146 | * option: | |
147 | * | |
148 | * dma id for dmaengine | |
45277159 KM |
149 | * The data transfer direction on D0FIFO/D1FIFO should be |
150 | * fixed for keeping consistency. | |
151 | * So, the platform id settings will be.. | |
152 | * .d0_tx_id = xx_TX, | |
153 | * .d1_rx_id = xx_RX, | |
154 | * or | |
155 | * .d1_tx_id = xx_TX, | |
156 | * .d0_rx_id = xx_RX, | |
e73a9891 KM |
157 | */ |
158 | int d0_tx_id; | |
159 | int d0_rx_id; | |
160 | int d1_tx_id; | |
161 | int d1_rx_id; | |
d3cf6a4b YS |
162 | int d2_tx_id; |
163 | int d2_rx_id; | |
164 | int d3_tx_id; | |
165 | int d3_rx_id; | |
e73a9891 KM |
166 | |
167 | /* | |
168 | * option: | |
169 | * | |
170 | * pio <--> dma border. | |
171 | */ | |
172 | int pio_dma_border; /* default is 64byte */ | |
f427eb64 | 173 | |
9ae7ce00 | 174 | uintptr_t type; |
8ecef00f UH |
175 | u32 enable_gpio; |
176 | ||
f427eb64 KM |
177 | /* |
178 | * option: | |
179 | */ | |
180 | u32 has_otg:1; /* for controlling PWEN/EXTLP */ | |
5ea43994 | 181 | u32 has_sudmac:1; /* for SUDMAC */ |
ab330cf3 YS |
182 | u32 has_usb_dmac:1; /* for USB-DMAC */ |
183 | #define USBHS_USB_DMAC_XFER_SIZE 32 /* hardcode the xfer size */ | |
f1407d5c KM |
184 | }; |
185 | ||
e0213bc5 | 186 | #define USBHS_TYPE_RCAR_GEN2 1 |
de18757e | 187 | #define USBHS_TYPE_RCAR_GEN3 2 |
8ecef00f | 188 | |
f1407d5c KM |
189 | /* |
190 | * option: | |
191 | * | |
192 | * platform information for renesas_usbhs driver. | |
193 | */ | |
194 | struct renesas_usbhs_platform_info { | |
195 | /* | |
196 | * option: | |
197 | * | |
198 | * platform set these functions before | |
199 | * call platform_add_devices if needed | |
200 | */ | |
201 | struct renesas_usbhs_platform_callback platform_callback; | |
202 | ||
203 | /* | |
204 | * driver set these callback functions pointer. | |
205 | * platform can use it on callback functions | |
206 | */ | |
207 | struct renesas_usbhs_driver_callback driver_callback; | |
208 | ||
209 | /* | |
210 | * option: | |
211 | * | |
212 | * driver use these param for some register | |
213 | */ | |
214 | struct renesas_usbhs_driver_param driver_param; | |
215 | }; | |
216 | ||
217 | /* | |
218 | * macro for platform | |
219 | */ | |
220 | #define renesas_usbhs_get_info(pdev)\ | |
221 | ((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data) | |
222 | ||
223 | #define renesas_usbhs_call_notify_hotplug(pdev) \ | |
224 | ({ \ | |
225 | struct renesas_usbhs_driver_callback *dc; \ | |
226 | dc = &(renesas_usbhs_get_info(pdev)->driver_callback); \ | |
af32fe51 | 227 | if (dc && dc->notify_hotplug) \ |
f1407d5c KM |
228 | dc->notify_hotplug(pdev); \ |
229 | }) | |
230 | #endif /* RENESAS_USB_H */ |