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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * USB device controllers have lots of quirks. Use these macros in
3 * gadget drivers or other code that needs to deal with them, and which
4 * autoconfigures instead of using early binding to the hardware.
5 *
David Brownell1c05ad42006-01-25 08:45:59 -08006 * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * some config file that gets updated as new hardware is supported.
David Brownell1c05ad42006-01-25 08:45:59 -08008 * (And avoiding all runtime comparisons in typical one-choice configs!)
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 *
10 * NOTE: some of these controller drivers may not be available yet.
David Brownell7f9985c2007-05-08 21:01:30 -070011 * Some are available on 2.4 kernels; several are available, but not
12 * yet pushed in the 2.6 mainline tree.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 */
Felipe Balbie67d70f2008-07-17 17:26:49 +030014
15#ifndef __GADGET_CHIPS_H
16#define __GADGET_CHIPS_H
17
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#ifdef CONFIG_USB_GADGET_NET2280
19#define gadget_is_net2280(g) !strcmp("net2280", (g)->name)
20#else
21#define gadget_is_net2280(g) 0
22#endif
23
Thomas Dahlmann55d402d2007-07-16 21:40:54 -070024#ifdef CONFIG_USB_GADGET_AMD5536UDC
25#define gadget_is_amd5536udc(g) !strcmp("amd5536udc", (g)->name)
26#else
27#define gadget_is_amd5536udc(g) 0
28#endif
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#ifdef CONFIG_USB_GADGET_DUMMY_HCD
31#define gadget_is_dummy(g) !strcmp("dummy_udc", (g)->name)
32#else
33#define gadget_is_dummy(g) 0
34#endif
35
Philipp Zabel7a857622008-06-22 23:36:39 +010036#ifdef CONFIG_USB_GADGET_PXA25X
37#define gadget_is_pxa(g) !strcmp("pxa25x_udc", (g)->name)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#else
39#define gadget_is_pxa(g) 0
40#endif
41
42#ifdef CONFIG_USB_GADGET_GOKU
43#define gadget_is_goku(g) !strcmp("goku_udc", (g)->name)
44#else
45#define gadget_is_goku(g) 0
46#endif
47
David Brownell7f9985c2007-05-08 21:01:30 -070048/* SH3 UDC -- not yet ported 2.4 --> 2.6 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049#ifdef CONFIG_USB_GADGET_SUPERH
50#define gadget_is_sh(g) !strcmp("sh_udc", (g)->name)
51#else
52#define gadget_is_sh(g) 0
53#endif
54
David Brownell7f9985c2007-05-08 21:01:30 -070055/* not yet stable on 2.6 (would help "original Zaurus") */
Linus Torvalds1da177e2005-04-16 15:20:36 -070056#ifdef CONFIG_USB_GADGET_SA1100
57#define gadget_is_sa1100(g) !strcmp("sa1100_udc", (g)->name)
58#else
59#define gadget_is_sa1100(g) 0
60#endif
61
62#ifdef CONFIG_USB_GADGET_LH7A40X
63#define gadget_is_lh7a40x(g) !strcmp("lh7a40x_udc", (g)->name)
64#else
65#define gadget_is_lh7a40x(g) 0
66#endif
67
David Brownell7f9985c2007-05-08 21:01:30 -070068/* handhelds.org tree (?) */
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#ifdef CONFIG_USB_GADGET_MQ11XX
70#define gadget_is_mq11xx(g) !strcmp("mq11xx_udc", (g)->name)
71#else
72#define gadget_is_mq11xx(g) 0
73#endif
74
75#ifdef CONFIG_USB_GADGET_OMAP
76#define gadget_is_omap(g) !strcmp("omap_udc", (g)->name)
77#else
78#define gadget_is_omap(g) 0
79#endif
80
David Brownell7f9985c2007-05-08 21:01:30 -070081/* not yet ported 2.4 --> 2.6 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070082#ifdef CONFIG_USB_GADGET_N9604
83#define gadget_is_n9604(g) !strcmp("n9604_udc", (g)->name)
84#else
85#define gadget_is_n9604(g) 0
86#endif
87
David Brownell7f9985c2007-05-08 21:01:30 -070088/* various unstable versions available */
Linus Torvalds1da177e2005-04-16 15:20:36 -070089#ifdef CONFIG_USB_GADGET_PXA27X
90#define gadget_is_pxa27x(g) !strcmp("pxa27x_udc", (g)->name)
91#else
92#define gadget_is_pxa27x(g) 0
93#endif
94
Haavard Skinnemoen55b3fd42007-06-14 18:01:45 +020095#ifdef CONFIG_USB_GADGET_ATMEL_USBA
96#define gadget_is_atmel_usba(g) !strcmp("atmel_usba_udc", (g)->name)
Håvard Skinnemoen1f5b9cc2007-01-17 11:03:29 -080097#else
Haavard Skinnemoen55b3fd42007-06-14 18:01:45 +020098#define gadget_is_atmel_usba(g) 0
Håvard Skinnemoen1f5b9cc2007-01-17 11:03:29 -080099#endif
100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101#ifdef CONFIG_USB_GADGET_S3C2410
102#define gadget_is_s3c2410(g) !strcmp("s3c2410_udc", (g)->name)
103#else
104#define gadget_is_s3c2410(g) 0
105#endif
106
107#ifdef CONFIG_USB_GADGET_AT91
108#define gadget_is_at91(g) !strcmp("at91_udc", (g)->name)
109#else
110#define gadget_is_at91(g) 0
111#endif
112
David Brownell91e79c92005-07-13 15:18:30 -0700113#ifdef CONFIG_USB_GADGET_IMX
114#define gadget_is_imx(g) !strcmp("imx_udc", (g)->name)
115#else
116#define gadget_is_imx(g) 0
117#endif
118
Li Yangd2eef1f2007-04-23 10:37:36 -0700119#ifdef CONFIG_USB_GADGET_FSL_USB2
120#define gadget_is_fsl_usb2(g) !strcmp("fsl-usb2-udc", (g)->name)
121#else
122#define gadget_is_fsl_usb2(g) 0
123#endif
124
David Brownell1c05ad42006-01-25 08:45:59 -0800125/* Mentor high speed function controller */
David Brownell7f9985c2007-05-08 21:01:30 -0700126/* from Montavista kernel (?) */
David Brownell1c05ad42006-01-25 08:45:59 -0800127#ifdef CONFIG_USB_GADGET_MUSBHSFC
128#define gadget_is_musbhsfc(g) !strcmp("musbhsfc_udc", (g)->name)
129#else
130#define gadget_is_musbhsfc(g) 0
131#endif
132
David Brownell42795412006-04-02 10:18:34 -0800133/* Mentor high speed "dual role" controller, in peripheral role */
134#ifdef CONFIG_USB_GADGET_MUSB_HDRC
135#define gadget_is_musbhdrc(g) !strcmp("musb_hdrc", (g)->name)
David Brownell1c05ad42006-01-25 08:45:59 -0800136#else
137#define gadget_is_musbhdrc(g) 0
138#endif
139
David Brownell7f9985c2007-05-08 21:01:30 -0700140/* from Montavista kernel (?) */
David Brownell1c05ad42006-01-25 08:45:59 -0800141#ifdef CONFIG_USB_GADGET_MPC8272
142#define gadget_is_mpc8272(g) !strcmp("mpc8272_udc", (g)->name)
143#else
144#define gadget_is_mpc8272(g) 0
145#endif
146
Yoshihiro Shimoda4cf25032007-05-10 13:18:23 +0900147#ifdef CONFIG_USB_GADGET_M66592
148#define gadget_is_m66592(g) !strcmp("m66592_udc", (g)->name)
149#else
150#define gadget_is_m66592(g) 0
151#endif
152
Li Yang3948f0e2008-09-02 19:58:10 +0800153/* Freescale CPM/QE UDC SUPPORT */
154#ifdef CONFIG_USB_GADGET_FSL_QE
155#define gadget_is_fsl_qe(g) !strcmp("fsl_qe_udc", (g)->name)
156#else
157#define gadget_is_fsl_qe(g) 0
158#endif
159
David Lopoaa69a802008-11-17 14:14:51 -0800160#ifdef CONFIG_USB_GADGET_CI13XXX
161#define gadget_is_ci13xxx(g) (!strcmp("ci13xxx_udc", (g)->name))
162#else
163#define gadget_is_ci13xxx(g) 0
164#endif
Yoshihiro Shimoda4cf25032007-05-10 13:18:23 +0900165
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166// CONFIG_USB_GADGET_SX2
167// CONFIG_USB_GADGET_AU1X00
168// ...
169
David Brownell91e79c92005-07-13 15:18:30 -0700170
171/**
172 * usb_gadget_controller_number - support bcdDevice id convention
173 * @gadget: the controller being driven
174 *
175 * Return a 2-digit BCD value associated with the peripheral controller,
176 * suitable for use as part of a bcdDevice value, or a negative error code.
177 *
178 * NOTE: this convention is purely optional, and has no meaning in terms of
179 * any USB specification. If you want to use a different convention in your
180 * gadget driver firmware -- maybe a more formal revision ID -- feel free.
181 *
182 * Hosts see these bcdDevice numbers, and are allowed (but not encouraged!)
183 * to change their behavior accordingly. For example it might help avoiding
184 * some chip bug.
185 */
186static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
187{
188 if (gadget_is_net2280(gadget))
189 return 0x01;
190 else if (gadget_is_dummy(gadget))
191 return 0x02;
192 else if (gadget_is_pxa(gadget))
193 return 0x03;
194 else if (gadget_is_sh(gadget))
195 return 0x04;
196 else if (gadget_is_sa1100(gadget))
197 return 0x05;
198 else if (gadget_is_goku(gadget))
199 return 0x06;
200 else if (gadget_is_mq11xx(gadget))
201 return 0x07;
202 else if (gadget_is_omap(gadget))
203 return 0x08;
204 else if (gadget_is_lh7a40x(gadget))
205 return 0x09;
206 else if (gadget_is_n9604(gadget))
207 return 0x10;
208 else if (gadget_is_pxa27x(gadget))
209 return 0x11;
210 else if (gadget_is_s3c2410(gadget))
211 return 0x12;
212 else if (gadget_is_at91(gadget))
213 return 0x13;
214 else if (gadget_is_imx(gadget))
215 return 0x14;
David Brownell1c05ad42006-01-25 08:45:59 -0800216 else if (gadget_is_musbhsfc(gadget))
217 return 0x15;
218 else if (gadget_is_musbhdrc(gadget))
219 return 0x16;
220 else if (gadget_is_mpc8272(gadget))
221 return 0x17;
Haavard Skinnemoen55b3fd42007-06-14 18:01:45 +0200222 else if (gadget_is_atmel_usba(gadget))
Håvard Skinnemoen1f5b9cc2007-01-17 11:03:29 -0800223 return 0x18;
Li Yangd2eef1f2007-04-23 10:37:36 -0700224 else if (gadget_is_fsl_usb2(gadget))
225 return 0x19;
Thomas Dahlmann55d402d2007-07-16 21:40:54 -0700226 else if (gadget_is_amd5536udc(gadget))
227 return 0x20;
Yoshihiro Shimoda4cf25032007-05-10 13:18:23 +0900228 else if (gadget_is_m66592(gadget))
Yoshihiro Shimoda598f22e2007-07-17 21:01:17 +0900229 return 0x21;
Li Yang3948f0e2008-09-02 19:58:10 +0800230 else if (gadget_is_fsl_qe(gadget))
231 return 0x22;
David Lopoaa69a802008-11-17 14:14:51 -0800232 else if (gadget_is_ci13xxx(gadget))
233 return 0x23;
David Brownell91e79c92005-07-13 15:18:30 -0700234 return -ENOENT;
235}
David Brownellda741b82008-06-19 18:19:46 -0700236
237
238/**
239 * gadget_supports_altsettings - return true if altsettings work
240 * @gadget: the gadget in question
241 */
242static inline bool gadget_supports_altsettings(struct usb_gadget *gadget)
243{
244 /* PXA 21x/25x/26x has no altsettings at all */
245 if (gadget_is_pxa(gadget))
246 return false;
247
248 /* PXA 27x and 3xx have *broken* altsetting support */
249 if (gadget_is_pxa27x(gadget))
250 return false;
251
252 /* SH3 hardware just doesn't do altsettings */
253 if (gadget_is_sh(gadget))
254 return false;
255
256 /* Everything else is *presumably* fine ... */
257 return true;
258}
Felipe Balbie67d70f2008-07-17 17:26:49 +0300259
260#endif /* __GADGET_CHIPS_H */