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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 | */ | |
65 | void (*hardware_exit)(struct platform_device *pdev); | |
66 | ||
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67 | /* |
68 | * option: | |
69 | * | |
70 | * for board specific clock control | |
71 | */ | |
72 | void (*power_ctrl)(struct platform_device *pdev, | |
73 | void __iomem *base, int enable); | |
74 | ||
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75 | /* |
76 | * option: | |
77 | * | |
78 | * Phy reset for platform | |
79 | */ | |
80 | void (*phy_reset)(struct platform_device *pdev); | |
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); | |
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93 | |
94 | /* | |
95 | * option: | |
96 | * | |
97 | * VBUS control is needed for Host | |
98 | */ | |
99 | int (*set_vbus)(struct platform_device *pdev, int enable); | |
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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 | */ | |
108 | struct renesas_usbhs_driver_param { | |
109 | /* | |
110 | * pipe settings | |
111 | */ | |
112 | u32 *pipe_type; /* array of USB_ENDPOINT_XFER_xxx (from ep0) */ | |
113 | int pipe_size; /* pipe_type array size */ | |
114 | ||
115 | /* | |
116 | * option: | |
117 | * | |
118 | * for BUSWAIT :: BWAIT | |
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119 | * see |
120 | * renesas_usbhs/common.c :: usbhsc_set_buswait() | |
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121 | * */ |
122 | int buswait_bwait; | |
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123 | |
124 | /* | |
125 | * option: | |
126 | * | |
127 | * delay time from notify_hotplug callback | |
128 | */ | |
a49a88f1 | 129 | int detection_delay; /* msec */ |
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130 | |
131 | /* | |
132 | * option: | |
133 | * | |
134 | * dma id for dmaengine | |
135 | */ | |
136 | int d0_tx_id; | |
137 | int d0_rx_id; | |
138 | int d1_tx_id; | |
139 | int d1_rx_id; | |
140 | ||
141 | /* | |
142 | * option: | |
143 | * | |
144 | * pio <--> dma border. | |
145 | */ | |
146 | int pio_dma_border; /* default is 64byte */ | |
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147 | |
148 | /* | |
149 | * option: | |
150 | */ | |
151 | u32 has_otg:1; /* for controlling PWEN/EXTLP */ | |
5ea43994 | 152 | u32 has_sudmac:1; /* for SUDMAC */ |
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153 | }; |
154 | ||
155 | /* | |
156 | * option: | |
157 | * | |
158 | * platform information for renesas_usbhs driver. | |
159 | */ | |
160 | struct renesas_usbhs_platform_info { | |
161 | /* | |
162 | * option: | |
163 | * | |
164 | * platform set these functions before | |
165 | * call platform_add_devices if needed | |
166 | */ | |
167 | struct renesas_usbhs_platform_callback platform_callback; | |
168 | ||
169 | /* | |
170 | * driver set these callback functions pointer. | |
171 | * platform can use it on callback functions | |
172 | */ | |
173 | struct renesas_usbhs_driver_callback driver_callback; | |
174 | ||
175 | /* | |
176 | * option: | |
177 | * | |
178 | * driver use these param for some register | |
179 | */ | |
180 | struct renesas_usbhs_driver_param driver_param; | |
181 | }; | |
182 | ||
183 | /* | |
184 | * macro for platform | |
185 | */ | |
186 | #define renesas_usbhs_get_info(pdev)\ | |
187 | ((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data) | |
188 | ||
189 | #define renesas_usbhs_call_notify_hotplug(pdev) \ | |
190 | ({ \ | |
191 | struct renesas_usbhs_driver_callback *dc; \ | |
192 | dc = &(renesas_usbhs_get_info(pdev)->driver_callback); \ | |
af32fe51 | 193 | if (dc && dc->notify_hotplug) \ |
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194 | dc->notify_hotplug(pdev); \ |
195 | }) | |
196 | #endif /* RENESAS_USB_H */ |