Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | # |
2 | # USB Gadget support on a system involves | |
3 | # (a) a peripheral controller, and | |
4 | # (b) the gadget driver using it. | |
5 | # | |
6 | # NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !! | |
7 | # | |
8 | # - Host systems (like PCs) need CONFIG_USB (with "A" jacks). | |
9 | # - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks). | |
cab00891 | 10 | # - Some systems have both kinds of controllers. |
1da177e4 LT |
11 | # |
12 | # With help from a special transceiver and a "Mini-AB" jack, systems with | |
13 | # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG). | |
14 | # | |
1da177e4 | 15 | |
b75be4ab DC |
16 | menuconfig USB_GADGET |
17 | tristate "USB Gadget Support" | |
86dc243c | 18 | select NLS |
1da177e4 LT |
19 | help |
20 | USB is a master/slave protocol, organized with one master | |
21 | host (such as a PC) controlling up to 127 peripheral devices. | |
22 | The USB hardware is asymmetric, which makes it easier to set up: | |
23 | you can't connect a "to-the-host" connector to a peripheral. | |
24 | ||
25 | Linux can run in the host, or in the peripheral. In both cases | |
26 | you need a low level bus controller driver, and some software | |
27 | talking to it. Peripheral controllers are often discrete silicon, | |
28 | or are integrated with the CPU in a microcontroller. The more | |
e113f29c | 29 | familiar host side controllers have names like "EHCI", "OHCI", |
1da177e4 LT |
30 | or "UHCI", and are usually integrated into southbridges on PC |
31 | motherboards. | |
32 | ||
33 | Enable this configuration option if you want to run Linux inside | |
34 | a USB peripheral device. Configure one hardware driver for your | |
35 | peripheral/device side bus controller, and a "gadget driver" for | |
36 | your peripheral protocol. (If you use modular gadget drivers, | |
37 | you may configure more than one.) | |
38 | ||
39 | If in doubt, say "N" and don't enable these drivers; most people | |
40 | don't have this kind of hardware (except maybe inside Linux PDAs). | |
41 | ||
42 | For more information, see <http://www.linux-usb.org/gadget> and | |
43 | the kernel DocBook documentation for this API. | |
44 | ||
b75be4ab DC |
45 | if USB_GADGET |
46 | ||
70790f63 | 47 | config USB_GADGET_DEBUG |
afd0e0f2 | 48 | boolean "Debugging messages (DEVELOPMENT)" |
36e893d2 | 49 | depends on DEBUG_KERNEL |
70790f63 DB |
50 | help |
51 | Many controller and gadget drivers will print some debugging | |
52 | messages if you use this option to ask for those messages. | |
53 | ||
54 | Avoid enabling these messages, even if you're actively | |
55 | debugging such a driver. Many drivers will emit so many | |
56 | messages that the driver timings are affected, which will | |
57 | either create new failure modes or remove the one you're | |
58 | trying to track down. Never enable these messages for a | |
59 | production build. | |
60 | ||
1da177e4 | 61 | config USB_GADGET_DEBUG_FILES |
afd0e0f2 | 62 | boolean "Debugging information files (DEVELOPMENT)" |
36e893d2 | 63 | depends on PROC_FS |
1da177e4 LT |
64 | help |
65 | Some of the drivers in the "gadget" framework can expose | |
66 | debugging information in files such as /proc/driver/udc | |
67 | (for a peripheral controller). The information in these | |
68 | files may help when you're troubleshooting or bringing up a | |
69 | driver on a new board. Enable these files by choosing "Y" | |
70 | here. If in doubt, or to conserve kernel memory, say "N". | |
71 | ||
914a3f3b | 72 | config USB_GADGET_DEBUG_FS |
afd0e0f2 | 73 | boolean "Debugging information files in debugfs (DEVELOPMENT)" |
36e893d2 | 74 | depends on DEBUG_FS |
914a3f3b HS |
75 | help |
76 | Some of the drivers in the "gadget" framework can expose | |
77 | debugging information in files under /sys/kernel/debug/. | |
78 | The information in these files may help when you're | |
79 | troubleshooting or bringing up a driver on a new board. | |
80 | Enable these files by choosing "Y" here. If in doubt, or | |
81 | to conserve kernel memory, say "N". | |
82 | ||
36e893d2 DB |
83 | config USB_GADGET_VBUS_DRAW |
84 | int "Maximum VBUS Power usage (2-500 mA)" | |
85 | range 2 500 | |
86 | default 2 | |
87 | help | |
88 | Some devices need to draw power from USB when they are | |
89 | configured, perhaps to operate circuitry or to recharge | |
90 | batteries. This is in addition to any local power supply, | |
91 | such as an AC adapter or batteries. | |
92 | ||
93 | Enter the maximum power your device draws through USB, in | |
94 | milliAmperes. The permitted range of values is 2 - 500 mA; | |
95 | 0 mA would be legal, but can make some hosts misbehave. | |
96 | ||
97 | This value will be used except for system-specific gadget | |
98 | drivers that have more specific information. | |
99 | ||
6532c7fd PF |
100 | config USB_GADGET_STORAGE_NUM_BUFFERS |
101 | int "Number of storage pipeline buffers" | |
102 | range 2 4 | |
103 | default 2 | |
104 | help | |
105 | Usually 2 buffers are enough to establish a good buffering | |
106 | pipeline. The number may be increased in order to compensate | |
107 | for a bursty VFS behaviour. For instance there may be CPU wake up | |
108 | latencies that makes the VFS to appear bursty in a system with | |
109 | an CPU on-demand governor. Especially if DMA is doing IO to | |
110 | offload the CPU. In this case the CPU will go into power | |
111 | save often and spin up occasionally to move data within VFS. | |
112 | If selecting USB_GADGET_DEBUG_FILES this value may be set by | |
113 | a module parameter as well. | |
114 | If unsure, say 2. | |
115 | ||
1da177e4 LT |
116 | # |
117 | # USB Peripheral Controller Support | |
118 | # | |
a7a19fac DB |
119 | # The order here is alphabetical, except that integrated controllers go |
120 | # before discrete ones so they will be the initial/default value: | |
121 | # - integrated/SOC controllers first | |
122 | # - licensed IP used in both SOC and discrete versions | |
123 | # - discrete ones (including all PCI-only controllers) | |
124 | # - debug/dummy gadget+hcd is last. | |
125 | # | |
ed6c6f41 | 126 | menu "USB Peripheral Controller" |
1da177e4 | 127 | |
a7a19fac DB |
128 | # |
129 | # Integrated controllers | |
130 | # | |
131 | ||
193ab2a6 FB |
132 | config USB_AT91 |
133 | tristate "Atmel AT91 USB Device Port" | |
d1494a34 | 134 | depends on ARCH_AT91 |
55d402d8 | 135 | help |
a7a19fac DB |
136 | Many Atmel AT91 processors (such as the AT91RM2000) have a |
137 | full speed USB Device Port with support for five configurable | |
138 | endpoints (plus endpoint zero). | |
55d402d8 TD |
139 | |
140 | Say "y" to link the driver statically, or "m" to build a | |
a7a19fac | 141 | dynamically linked module called "at91_udc" and force all |
55d402d8 TD |
142 | gadget drivers to also be dynamically linked. |
143 | ||
24a28e42 RS |
144 | config USB_LPC32XX |
145 | tristate "LPC32XX USB Peripheral Controller" | |
146 | depends on ARCH_LPC32XX | |
147 | select USB_ISP1301 | |
148 | help | |
149 | This option selects the USB device controller in the LPC32xx SoC. | |
150 | ||
151 | Say "y" to link the driver statically, or "m" to build a | |
152 | dynamically linked module called "lpc32xx_udc" and force all | |
153 | gadget drivers to also be dynamically linked. | |
154 | ||
193ab2a6 FB |
155 | config USB_ATMEL_USBA |
156 | tristate "Atmel USBA" | |
9918ceaf | 157 | depends on AVR32 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45 |
914a3f3b HS |
158 | help |
159 | USBA is the integrated high-speed USB Device controller on | |
ba45ca43 | 160 | the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel. |
914a3f3b | 161 | |
613065e5 KC |
162 | config USB_BCM63XX_UDC |
163 | tristate "Broadcom BCM63xx Peripheral Controller" | |
164 | depends on BCM63XX | |
165 | help | |
166 | Many Broadcom BCM63xx chipsets (such as the BCM6328) have a | |
167 | high speed USB Device Port with support for four fixed endpoints | |
168 | (plus endpoint zero). | |
169 | ||
170 | Say "y" to link the driver statically, or "m" to build a | |
171 | dynamically linked module called "bcm63xx_udc". | |
172 | ||
193ab2a6 FB |
173 | config USB_FSL_USB2 |
174 | tristate "Freescale Highspeed USB DR Peripheral Controller" | |
54e4026b | 175 | depends on FSL_SOC || ARCH_MXC |
018b97d0 | 176 | select USB_FSL_MPH_DR_OF if OF |
b504882d | 177 | help |
00c16f9f | 178 | Some of Freescale PowerPC and i.MX processors have a High Speed |
b504882d LY |
179 | Dual-Role(DR) USB controller, which supports device mode. |
180 | ||
181 | The number of programmable endpoints is different through | |
182 | SOC revisions. | |
183 | ||
184 | Say "y" to link the driver statically, or "m" to build a | |
185 | dynamically linked module called "fsl_usb2_udc" and force | |
186 | all gadget drivers to also be dynamically linked. | |
187 | ||
193ab2a6 FB |
188 | config USB_FUSB300 |
189 | tristate "Faraday FUSB300 USB Peripheral Controller" | |
ac17317d | 190 | depends on !PHYS_ADDR_T_64BIT |
0fe6f1d1 YHC |
191 | help |
192 | Faraday usb device controller FUSB300 driver | |
193 | ||
193ab2a6 FB |
194 | config USB_OMAP |
195 | tristate "OMAP USB Device Controller" | |
b924b204 | 196 | depends on ARCH_OMAP1 |
f1c9e151 | 197 | select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_H4_OTG |
54b9ed35 | 198 | select USB_OTG_UTILS if ARCH_OMAP |
a7a19fac DB |
199 | help |
200 | Many Texas Instruments OMAP processors have flexible full | |
201 | speed USB device controllers, with support for up to 30 | |
202 | endpoints (plus endpoint zero). This driver supports the | |
203 | controller in the OMAP 1611, and should work with controllers | |
204 | in other OMAP processors too, given minor tweaks. | |
1da177e4 LT |
205 | |
206 | Say "y" to link the driver statically, or "m" to build a | |
a7a19fac | 207 | dynamically linked module called "omap_udc" and force all |
1da177e4 LT |
208 | gadget drivers to also be dynamically linked. |
209 | ||
193ab2a6 FB |
210 | config USB_PXA25X |
211 | tristate "PXA 25x or IXP 4xx" | |
1da177e4 | 212 | depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX |
09963911 | 213 | select USB_OTG_UTILS |
1da177e4 LT |
214 | help |
215 | Intel's PXA 25x series XScale ARM-5TE processors include | |
216 | an integrated full speed USB 1.1 device controller. The | |
217 | controller in the IXP 4xx series is register-compatible. | |
218 | ||
219 | It has fifteen fixed-function endpoints, as well as endpoint | |
220 | zero (for control transfers). | |
221 | ||
222 | Say "y" to link the driver statically, or "m" to build a | |
7a857620 | 223 | dynamically linked module called "pxa25x_udc" and force all |
1da177e4 LT |
224 | gadget drivers to also be dynamically linked. |
225 | ||
1da177e4 LT |
226 | # if there's only one gadget driver, using only two bulk endpoints, |
227 | # don't waste memory for the other endpoints | |
7a857620 | 228 | config USB_PXA25X_SMALL |
193ab2a6 | 229 | depends on USB_PXA25X |
1da177e4 LT |
230 | bool |
231 | default n if USB_ETH_RNDIS | |
232 | default y if USB_ZERO | |
233 | default y if USB_ETH | |
234 | default y if USB_G_SERIAL | |
235 | ||
193ab2a6 FB |
236 | config USB_R8A66597 |
237 | tristate "Renesas R8A66597 USB Peripheral Controller" | |
c4144247 YS |
238 | help |
239 | R8A66597 is a discrete USB host and peripheral controller chip that | |
240 | supports both full and high speed USB 2.0 data transfers. | |
241 | It has nine configurable endpoints, and endpoint zero. | |
242 | ||
243 | Say "y" to link the driver statically, or "m" to build a | |
244 | dynamically linked module called "r8a66597_udc" and force all | |
245 | gadget drivers to also be dynamically linked. | |
246 | ||
030ed1fc | 247 | config USB_RENESAS_USBHS_UDC |
193ab2a6 | 248 | tristate 'Renesas USBHS controller' |
030ed1fc | 249 | depends on USB_RENESAS_USBHS |
2f98382d | 250 | help |
193ab2a6 FB |
251 | Renesas USBHS is a discrete USB host and peripheral controller chip |
252 | that supports both full and high speed USB 2.0 data transfers. | |
253 | It has nine or more configurable endpoints, and endpoint zero. | |
2f98382d | 254 | |
193ab2a6 FB |
255 | Say "y" to link the driver statically, or "m" to build a |
256 | dynamically linked module called "renesas_usbhs" and force all | |
257 | gadget drivers to also be dynamically linked. | |
2f98382d | 258 | |
193ab2a6 FB |
259 | config USB_PXA27X |
260 | tristate "PXA 27x" | |
9f5351b7 | 261 | depends on ARCH_PXA && (PXA27x || PXA3xx) |
7fec3c25 | 262 | select USB_OTG_UTILS |
d75379a5 RJ |
263 | help |
264 | Intel's PXA 27x series XScale ARM v5TE processors include | |
265 | an integrated full speed USB 1.1 device controller. | |
266 | ||
267 | It has up to 23 endpoints, as well as endpoint zero (for | |
268 | control transfers). | |
269 | ||
270 | Say "y" to link the driver statically, or "m" to build a | |
271 | dynamically linked module called "pxa27x_udc" and force all | |
272 | gadget drivers to also be dynamically linked. | |
273 | ||
193ab2a6 FB |
274 | config USB_S3C_HSOTG |
275 | tristate "S3C HS/OtG USB Device controller" | |
5b7d70c6 | 276 | depends on S3C_DEV_USB_HSOTG |
5b7d70c6 BD |
277 | help |
278 | The Samsung S3C64XX USB2.0 high-speed gadget controller | |
279 | integrated into the S3C64XX series SoC. | |
280 | ||
193ab2a6 | 281 | config USB_IMX |
2e5a08a3 SH |
282 | tristate "Freescale i.MX1 USB Peripheral Controller" |
283 | depends on ARCH_MXC | |
9662ced3 | 284 | depends on BROKEN |
c03e7d4b | 285 | help |
2e5a08a3 SH |
286 | Freescale's i.MX1 includes an integrated full speed |
287 | USB 1.1 device controller. | |
c03e7d4b PZ |
288 | |
289 | It has Six fixed-function endpoints, as well as endpoint | |
290 | zero (for control transfers). | |
291 | ||
292 | Say "y" to link the driver statically, or "m" to build a | |
293 | dynamically linked module called "imx_udc" and force all | |
294 | gadget drivers to also be dynamically linked. | |
295 | ||
193ab2a6 FB |
296 | config USB_S3C2410 |
297 | tristate "S3C2410 USB Device Controller" | |
b130d5c2 | 298 | depends on ARCH_S3C24XX |
1da177e4 | 299 | help |
a7a19fac DB |
300 | Samsung's S3C2410 is an ARM-4 processor with an integrated |
301 | full speed USB 1.1 device controller. It has 4 configurable | |
302 | endpoints, as well as endpoint zero (for control transfers). | |
1da177e4 | 303 | |
a7a19fac DB |
304 | This driver has been tested on the S3C2410, S3C2412, and |
305 | S3C2440 processors. | |
1da177e4 | 306 | |
a7a19fac DB |
307 | config USB_S3C2410_DEBUG |
308 | boolean "S3C2410 udc debug messages" | |
193ab2a6 | 309 | depends on USB_S3C2410 |
1da177e4 | 310 | |
193ab2a6 FB |
311 | config USB_S3C_HSUDC |
312 | tristate "S3C2416, S3C2443 and S3C2450 USB Device Controller" | |
b130d5c2 | 313 | depends on ARCH_S3C24XX |
a9df304c TA |
314 | help |
315 | Samsung's S3C2416, S3C2443 and S3C2450 is an ARM9 based SoC | |
316 | integrated with dual speed USB 2.0 device controller. It has | |
317 | 8 endpoints, as well as endpoint zero. | |
318 | ||
319 | This driver has been tested on S3C2416 and S3C2450 processors. | |
320 | ||
5e6c86b0 NZ |
321 | config USB_MV_UDC |
322 | tristate "Marvell USB2.0 Device Controller" | |
5273afe3 | 323 | depends on GENERIC_HARDIRQS |
e7cddda4 | 324 | help |
5e6c86b0 NZ |
325 | Marvell Socs (including PXA and MMP series) include a high speed |
326 | USB2.0 OTG controller, which can be configured as high speed or | |
327 | full speed USB peripheral. | |
72246da4 | 328 | |
3d4eb9df YX |
329 | config USB_MV_U3D |
330 | tristate "MARVELL PXA2128 USB 3.0 controller" | |
331 | depends on CPU_MMP3 | |
332 | select USB_GADGET_DUALSPEED | |
333 | select USB_GADGET_SUPERSPEED | |
334 | help | |
335 | MARVELL PXA2128 Processor series include a super speed USB3.0 device | |
336 | controller, which support super speed USB peripheral. | |
337 | ||
a7a19fac DB |
338 | # |
339 | # Controllers available in both integrated and discrete versions | |
340 | # | |
1da177e4 | 341 | |
a7a19fac | 342 | # musb builds in ../musb along with host support |
550a7375 | 343 | config USB_GADGET_MUSB_HDRC |
193ab2a6 | 344 | tristate "Inventra HDRC USB Peripheral (TI, ADI, ...)" |
b61ae342 | 345 | depends on USB_MUSB_HDRC |
550a7375 FB |
346 | help |
347 | This OTG-capable silicon IP is used in dual designs including | |
085ad406 | 348 | the TI DaVinci, OMAP 243x, OMAP 343x, TUSB 6010, and ADI Blackfin |
550a7375 | 349 | |
193ab2a6 FB |
350 | config USB_M66592 |
351 | tristate "Renesas M66592 USB Peripheral Controller" | |
1da177e4 | 352 | help |
a7a19fac DB |
353 | M66592 is a discrete USB peripheral controller chip that |
354 | supports both full and high speed USB 2.0 data transfers. | |
355 | It has seven configurable endpoints, and endpoint zero. | |
1da177e4 LT |
356 | |
357 | Say "y" to link the driver statically, or "m" to build a | |
a7a19fac | 358 | dynamically linked module called "m66592_udc" and force all |
1da177e4 LT |
359 | gadget drivers to also be dynamically linked. |
360 | ||
a7a19fac DB |
361 | # |
362 | # Controllers available only in discrete form (and all PCI controllers) | |
363 | # | |
364 | ||
193ab2a6 FB |
365 | config USB_AMD5536UDC |
366 | tristate "AMD5536 UDC" | |
a7a19fac | 367 | depends on PCI |
3fc154b6 | 368 | help |
a7a19fac DB |
369 | The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge. |
370 | It is a USB Highspeed DMA capable USB device controller. Beside ep0 | |
371 | it provides 4 IN and 4 OUT endpoints (bulk or interrupt type). | |
372 | The UDC port supports OTG operation, and may be used as a host port | |
373 | if it's not being used to implement peripheral or OTG roles. | |
3fc154b6 | 374 | |
a7a19fac DB |
375 | Say "y" to link the driver statically, or "m" to build a |
376 | dynamically linked module called "amd5536udc" and force all | |
377 | gadget drivers to also be dynamically linked. | |
3fc154b6 | 378 | |
193ab2a6 FB |
379 | config USB_FSL_QE |
380 | tristate "Freescale QE/CPM USB Device Controller" | |
3948f0e0 LY |
381 | depends on FSL_SOC && (QUICC_ENGINE || CPM) |
382 | help | |
383 | Some of Freescale PowerPC processors have a Full Speed | |
384 | QE/CPM2 USB controller, which support device mode with 4 | |
385 | programmable endpoints. This driver supports the | |
386 | controller in the MPC8360 and MPC8272, and should work with | |
387 | controllers having QE or CPM2, given minor tweaks. | |
388 | ||
389 | Set CONFIG_USB_GADGET to "m" to build this driver as a | |
692105b8 | 390 | dynamically linked module called "fsl_qe_udc". |
3948f0e0 | 391 | |
193ab2a6 FB |
392 | config USB_NET2272 |
393 | tristate "PLX NET2272" | |
ceb80363 SL |
394 | help |
395 | PLX NET2272 is a USB peripheral controller which supports | |
396 | both full and high speed USB 2.0 data transfers. | |
397 | ||
398 | It has three configurable endpoints, as well as endpoint zero | |
399 | (for control transfer). | |
400 | Say "y" to link the driver statically, or "m" to build a | |
401 | dynamically linked module called "net2272" and force all | |
402 | gadget drivers to also be dynamically linked. | |
403 | ||
193ab2a6 | 404 | config USB_NET2272_DMA |
ceb80363 | 405 | boolean "Support external DMA controller" |
193ab2a6 | 406 | depends on USB_NET2272 |
ceb80363 SL |
407 | help |
408 | The NET2272 part can optionally support an external DMA | |
409 | controller, but your board has to have support in the | |
410 | driver itself. | |
411 | ||
412 | If unsure, say "N" here. The driver works fine in PIO mode. | |
413 | ||
193ab2a6 FB |
414 | config USB_NET2280 |
415 | tristate "NetChip 228x" | |
a7a19fac | 416 | depends on PCI |
a7a19fac DB |
417 | help |
418 | NetChip 2280 / 2282 is a PCI based USB peripheral controller which | |
419 | supports both full and high speed USB 2.0 data transfers. | |
3fc154b6 | 420 | |
a7a19fac DB |
421 | It has six configurable endpoints, as well as endpoint zero |
422 | (for control transfers) and several endpoints with dedicated | |
423 | functions. | |
424 | ||
425 | Say "y" to link the driver statically, or "m" to build a | |
426 | dynamically linked module called "net2280" and force all | |
427 | gadget drivers to also be dynamically linked. | |
428 | ||
193ab2a6 FB |
429 | config USB_GOKU |
430 | tristate "Toshiba TC86C001 'Goku-S'" | |
a7a19fac | 431 | depends on PCI |
bae4bd84 | 432 | help |
a7a19fac DB |
433 | The Toshiba TC86C001 is a PCI device which includes controllers |
434 | for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI). | |
435 | ||
436 | The device controller has three configurable (bulk or interrupt) | |
437 | endpoints, plus endpoint zero (for control transfers). | |
bae4bd84 DB |
438 | |
439 | Say "y" to link the driver statically, or "m" to build a | |
a7a19fac | 440 | dynamically linked module called "goku_udc" and to force all |
bae4bd84 DB |
441 | gadget drivers to also be dynamically linked. |
442 | ||
193ab2a6 | 443 | config USB_EG20T |
731ad81e | 444 | tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" |
5273afe3 | 445 | depends on PCI && GENERIC_HARDIRQS |
f646cf94 TO |
446 | help |
447 | This is a USB device driver for EG20T PCH. | |
448 | EG20T PCH is the platform controller hub that is used in Intel's | |
449 | general embedded platform. EG20T PCH has USB device interface. | |
450 | Using this interface, it is able to access system devices connected | |
451 | to USB device. | |
452 | This driver enables USB device function. | |
453 | USB device is a USB peripheral controller which | |
454 | supports both full and high speed USB 2.0 data transfers. | |
455 | This driver supports both control transfer and bulk transfer modes. | |
456 | This driver dose not support interrupt transfer or isochronous | |
457 | transfer modes. | |
458 | ||
731ad81e | 459 | This driver also can be used for LAPIS Semiconductor's ML7213 which is |
06f1b971 | 460 | for IVI(In-Vehicle Infotainment) use. |
731ad81e TM |
461 | ML7831 is for general purpose use. |
462 | ML7213/ML7831 is companion chip for Intel Atom E6xx series. | |
463 | ML7213/ML7831 is completely compatible for Intel EG20T PCH. | |
06f1b971 | 464 | |
a7a19fac DB |
465 | # |
466 | # LAST -- dummy/emulated controller | |
467 | # | |
1da177e4 | 468 | |
193ab2a6 FB |
469 | config USB_DUMMY_HCD |
470 | tristate "Dummy HCD (DEVELOPMENT)" | |
afd0e0f2 | 471 | depends on USB=y || (USB=m && USB_GADGET=m) |
1da177e4 LT |
472 | help |
473 | This host controller driver emulates USB, looping all data transfer | |
474 | requests back to a USB "gadget driver" in the same host. The host | |
475 | side is the master; the gadget side is the slave. Gadget drivers | |
476 | can be high, full, or low speed; and they have access to endpoints | |
477 | like those from NET2280, PXA2xx, or SA1100 hardware. | |
193ab2a6 | 478 | |
1da177e4 LT |
479 | This may help in some stages of creating a driver to embed in a |
480 | Linux device, since it lets you debug several parts of the gadget | |
481 | driver without its hardware or drivers being involved. | |
193ab2a6 | 482 | |
1da177e4 LT |
483 | Since such a gadget side driver needs to interoperate with a host |
484 | side Linux-USB device driver, this may help to debug both sides | |
485 | of a USB protocol stack. | |
486 | ||
487 | Say "y" to link the driver statically, or "m" to build a | |
488 | dynamically linked module called "dummy_hcd" and force all | |
489 | gadget drivers to also be dynamically linked. | |
490 | ||
1da177e4 LT |
491 | # NOTE: Please keep dummy_hcd LAST so that "real hardware" appears |
492 | # first and will be selected by default. | |
493 | ||
ed6c6f41 | 494 | endmenu |
1da177e4 | 495 | |
1da177e4 LT |
496 | # |
497 | # USB Gadget Drivers | |
498 | # | |
a84d9e53 SAS |
499 | |
500 | # composite based drivers | |
501 | config USB_LIBCOMPOSITE | |
502 | tristate | |
503 | depends on USB_GADGET | |
504 | ||
ff47f594 SAS |
505 | config USB_F_ACM |
506 | tristate | |
507 | ||
cf9a08ae SAS |
508 | config USB_F_SS_LB |
509 | tristate | |
510 | ||
3249ca22 SAS |
511 | config USB_U_SERIAL |
512 | tristate | |
513 | ||
1da177e4 LT |
514 | choice |
515 | tristate "USB Gadget Drivers" | |
1da177e4 LT |
516 | default USB_ETH |
517 | help | |
518 | A Linux "Gadget Driver" talks to the USB Peripheral Controller | |
519 | driver through the abstract "gadget" API. Some other operating | |
520 | systems call these "client" drivers, of which "class drivers" | |
521 | are a subset (implementing a USB device class specification). | |
522 | A gadget driver implements one or more USB functions using | |
523 | the peripheral hardware. | |
524 | ||
525 | Gadget drivers are hardware-neutral, or "platform independent", | |
526 | except that they sometimes must understand quirks or limitations | |
527 | of the particular controllers they work with. For example, when | |
528 | a controller doesn't support alternate configurations or provide | |
529 | enough of the right types of endpoints, the gadget driver might | |
530 | not be able work with that controller, or might need to implement | |
531 | a less common variant of a device class protocol. | |
532 | ||
533 | # this first set of drivers all depend on bulk-capable hardware. | |
534 | ||
535 | config USB_ZERO | |
536 | tristate "Gadget Zero (DEVELOPMENT)" | |
a84d9e53 | 537 | select USB_LIBCOMPOSITE |
cf9a08ae | 538 | select USB_F_SS_LB |
1da177e4 LT |
539 | help |
540 | Gadget Zero is a two-configuration device. It either sinks and | |
541 | sources bulk data; or it loops back a configurable number of | |
542 | transfers. It also implements control requests, for "chapter 9" | |
543 | conformance. The driver needs only two bulk-capable endpoints, so | |
544 | it can work on top of most device-side usb controllers. It's | |
545 | useful for testing, and is also a working example showing how | |
546 | USB "gadget drivers" can be written. | |
547 | ||
548 | Make this be the first driver you try using on top of any new | |
549 | USB peripheral controller driver. Then you can use host-side | |
550 | test software, like the "usbtest" driver, to put your hardware | |
551 | and its driver through a basic set of functional tests. | |
552 | ||
553 | Gadget Zero also works with the host-side "usb-skeleton" driver, | |
554 | and with many kinds of host-side test software. You may need | |
555 | to tweak product and vendor IDs before host software knows about | |
556 | this device, and arrange to select an appropriate configuration. | |
557 | ||
558 | Say "y" to link the driver statically, or "m" to build a | |
559 | dynamically linked module called "g_zero". | |
560 | ||
561 | config USB_ZERO_HNPTEST | |
562 | boolean "HNP Test Device" | |
563 | depends on USB_ZERO && USB_OTG | |
564 | help | |
565 | You can configure this device to enumerate using the device | |
566 | identifiers of the USB-OTG test device. That means that when | |
567 | this gadget connects to another OTG device, with this one using | |
568 | the "B-Peripheral" role, that device will use HNP to let this | |
569 | one serve as the USB host instead (in the "B-Host" role). | |
570 | ||
c6994e6f | 571 | config USB_AUDIO |
eb83be98 | 572 | tristate "Audio Gadget" |
c6994e6f | 573 | depends on SND |
a84d9e53 | 574 | select USB_LIBCOMPOSITE |
04950737 | 575 | select SND_PCM |
c6994e6f | 576 | help |
132fcb46 JB |
577 | This Gadget Audio driver is compatible with USB Audio Class |
578 | specification 2.0. It implements 1 AudioControl interface, | |
579 | 1 AudioStreaming Interface each for USB-OUT and USB-IN. | |
580 | Number of channels, sample rate and sample size can be | |
581 | specified as module parameters. | |
582 | This driver doesn't expect any real Audio codec to be present | |
583 | on the device - the audio streams are simply sinked to and | |
584 | sourced from a virtual ALSA sound card created. The user-space | |
585 | application may choose to do whatever it wants with the data | |
586 | received from the USB Host and choose to provide whatever it | |
587 | wants as audio data to the USB Host. | |
c6994e6f BW |
588 | |
589 | Say "y" to link the driver statically, or "m" to build a | |
590 | dynamically linked module called "g_audio". | |
591 | ||
132fcb46 JB |
592 | config GADGET_UAC1 |
593 | bool "UAC 1.0 (Legacy)" | |
594 | depends on USB_AUDIO | |
595 | help | |
596 | If you instead want older UAC Spec-1.0 driver that also has audio | |
597 | paths hardwired to the Audio codec chip on-board and doesn't work | |
598 | without one. | |
599 | ||
1da177e4 LT |
600 | config USB_ETH |
601 | tristate "Ethernet Gadget (with CDC Ethernet support)" | |
602 | depends on NET | |
a84d9e53 | 603 | select USB_LIBCOMPOSITE |
9e221be8 | 604 | select CRC32 |
1da177e4 | 605 | help |
9b39e9dd BN |
606 | This driver implements Ethernet style communication, in one of |
607 | several ways: | |
1da177e4 LT |
608 | |
609 | - The "Communication Device Class" (CDC) Ethernet Control Model. | |
610 | That protocol is often avoided with pure Ethernet adapters, in | |
611 | favor of simpler vendor-specific hardware, but is widely | |
612 | supported by firmware for smart network devices. | |
613 | ||
614 | - On hardware can't implement that protocol, a simple CDC subset | |
615 | is used, placing fewer demands on USB. | |
616 | ||
9b39e9dd BN |
617 | - CDC Ethernet Emulation Model (EEM) is a newer standard that has |
618 | a simpler interface that can be used by more USB hardware. | |
619 | ||
620 | RNDIS support is an additional option, more demanding than than | |
621 | subset. | |
1da177e4 LT |
622 | |
623 | Within the USB device, this gadget driver exposes a network device | |
624 | "usbX", where X depends on what other networking devices you have. | |
625 | Treat it like a two-node Ethernet link: host, and gadget. | |
626 | ||
627 | The Linux-USB host-side "usbnet" driver interoperates with this | |
628 | driver, so that deep I/O queues can be supported. On 2.4 kernels, | |
629 | use "CDCEther" instead, if you're using the CDC option. That CDC | |
630 | mode should also interoperate with standard CDC Ethernet class | |
631 | drivers on other host operating systems. | |
632 | ||
633 | Say "y" to link the driver statically, or "m" to build a | |
634 | dynamically linked module called "g_ether". | |
635 | ||
636 | config USB_ETH_RNDIS | |
afd0e0f2 RD |
637 | bool "RNDIS support" |
638 | depends on USB_ETH | |
a84d9e53 | 639 | select USB_LIBCOMPOSITE |
1da177e4 LT |
640 | default y |
641 | help | |
642 | Microsoft Windows XP bundles the "Remote NDIS" (RNDIS) protocol, | |
643 | and Microsoft provides redistributable binary RNDIS drivers for | |
644 | older versions of Windows. | |
645 | ||
646 | If you say "y" here, the Ethernet gadget driver will try to provide | |
647 | a second device configuration, supporting RNDIS to talk to such | |
648 | Microsoft USB hosts. | |
649 | ||
650 | To make MS-Windows work with this, use Documentation/usb/linux.inf | |
651 | as the "driver info file". For versions of MS-Windows older than | |
652 | XP, you'll need to download drivers from Microsoft's website; a URL | |
653 | is given in comments found in that info file. | |
654 | ||
9b39e9dd BN |
655 | config USB_ETH_EEM |
656 | bool "Ethernet Emulation Model (EEM) support" | |
657 | depends on USB_ETH | |
a84d9e53 | 658 | select USB_LIBCOMPOSITE |
9b39e9dd BN |
659 | default n |
660 | help | |
661 | CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM | |
662 | and therefore can be supported by more hardware. Technically ECM and | |
663 | EEM are designed for different applications. The ECM model extends | |
664 | the network interface to the target (e.g. a USB cable modem), and the | |
665 | EEM model is for mobile devices to communicate with hosts using | |
666 | ethernet over USB. For Linux gadgets, however, the interface with | |
667 | the host is the same (a usbX device), so the differences are minimal. | |
668 | ||
669 | If you say "y" here, the Ethernet gadget driver will use the EEM | |
670 | protocol rather than ECM. If unsure, say "n". | |
671 | ||
6c34d288 YK |
672 | config USB_G_NCM |
673 | tristate "Network Control Model (NCM) support" | |
674 | depends on NET | |
a84d9e53 | 675 | select USB_LIBCOMPOSITE |
6c34d288 YK |
676 | select CRC32 |
677 | help | |
678 | This driver implements USB CDC NCM subclass standard. NCM is | |
679 | an advanced protocol for Ethernet encapsulation, allows grouping | |
b55dd320 | 680 | of several ethernet frames into one USB transfer and different |
6c34d288 YK |
681 | alignment possibilities. |
682 | ||
683 | Say "y" to link the driver statically, or "m" to build a | |
684 | dynamically linked module called "g_ncm". | |
685 | ||
1da177e4 | 686 | config USB_GADGETFS |
eb83be98 | 687 | tristate "Gadget Filesystem" |
1da177e4 LT |
688 | help |
689 | This driver provides a filesystem based API that lets user mode | |
690 | programs implement a single-configuration USB device, including | |
691 | endpoint I/O and control requests that don't relate to enumeration. | |
692 | All endpoints, transfer speeds, and transfer types supported by | |
693 | the hardware are available, through read() and write() calls. | |
694 | ||
695 | Say "y" to link the driver statically, or "m" to build a | |
696 | dynamically linked module called "gadgetfs". | |
697 | ||
c6c56008 | 698 | config USB_FUNCTIONFS |
eb83be98 | 699 | tristate "Function Filesystem" |
a84d9e53 | 700 | select USB_LIBCOMPOSITE |
f8dae531 | 701 | select USB_FUNCTIONFS_GENERIC if !(USB_FUNCTIONFS_ETH || USB_FUNCTIONFS_RNDIS) |
c6c56008 | 702 | help |
eabf0f5f MP |
703 | The Function Filesystem (FunctionFS) lets one create USB |
704 | composite functions in user space in the same way GadgetFS | |
c6c56008 MN |
705 | lets one create USB gadgets in user space. This allows creation |
706 | of composite gadgets such that some of the functions are | |
707 | implemented in kernel space (for instance Ethernet, serial or | |
708 | mass storage) and other are implemented in user space. | |
709 | ||
f8dae531 MN |
710 | If you say "y" or "m" here you will be able what kind of |
711 | configurations the gadget will provide. | |
712 | ||
c6c56008 MN |
713 | Say "y" to link the driver statically, or "m" to build |
714 | a dynamically linked module called "g_ffs". | |
715 | ||
716 | config USB_FUNCTIONFS_ETH | |
f8dae531 | 717 | bool "Include configuration with CDC ECM (Ethernet)" |
17b2765e | 718 | depends on USB_FUNCTIONFS && NET |
c6c56008 | 719 | help |
eabf0f5f MP |
720 | Include a configuration with CDC ECM function (Ethernet) and the |
721 | Function Filesystem. | |
c6c56008 MN |
722 | |
723 | config USB_FUNCTIONFS_RNDIS | |
f8dae531 | 724 | bool "Include configuration with RNDIS (Ethernet)" |
17b2765e | 725 | depends on USB_FUNCTIONFS && NET |
c6c56008 | 726 | help |
eabf0f5f | 727 | Include a configuration with RNDIS function (Ethernet) and the Filesystem. |
c6c56008 MN |
728 | |
729 | config USB_FUNCTIONFS_GENERIC | |
730 | bool "Include 'pure' configuration" | |
f8dae531 | 731 | depends on USB_FUNCTIONFS |
c6c56008 | 732 | help |
f8dae531 MN |
733 | Include a configuration with the Function Filesystem alone with |
734 | no Ethernet interface. | |
c6c56008 | 735 | |
d23b0f08 MN |
736 | config USB_MASS_STORAGE |
737 | tristate "Mass Storage Gadget" | |
738 | depends on BLOCK | |
a84d9e53 | 739 | select USB_LIBCOMPOSITE |
d23b0f08 MN |
740 | help |
741 | The Mass Storage Gadget acts as a USB Mass Storage disk drive. | |
742 | As its storage repository it can use a regular file or a block | |
743 | device (in much the same way as the "loop" device driver), | |
744 | specified as a module parameter or sysfs option. | |
745 | ||
fa06920a MN |
746 | This driver is a replacement for now removed File-backed |
747 | Storage Gadget (g_file_storage). | |
d23b0f08 MN |
748 | |
749 | Say "y" to link the driver statically, or "m" to build | |
664a51a8 | 750 | a dynamically linked module called "g_mass_storage". |
d23b0f08 | 751 | |
c52661d6 SAS |
752 | config USB_GADGET_TARGET |
753 | tristate "USB Gadget Target Fabric Module" | |
754 | depends on TARGET_CORE | |
a84d9e53 | 755 | select USB_LIBCOMPOSITE |
c52661d6 SAS |
756 | help |
757 | This fabric is an USB gadget. Two USB protocols are supported that is | |
758 | BBB or BOT (Bulk Only Transport) and UAS (USB Attached SCSI). BOT is | |
759 | advertised on alternative interface 0 (primary) and UAS is on | |
760 | alternative interface 1. Both protocols can work on USB2.0 and USB3.0. | |
761 | UAS utilizes the USB 3.0 feature called streams support. | |
762 | ||
1da177e4 | 763 | config USB_G_SERIAL |
3086775a | 764 | tristate "Serial Gadget (with CDC ACM and CDC OBEX support)" |
4f73bc4d | 765 | depends on TTY |
3249ca22 | 766 | select USB_U_SERIAL |
ff47f594 | 767 | select USB_F_ACM |
a84d9e53 | 768 | select USB_LIBCOMPOSITE |
1da177e4 LT |
769 | help |
770 | The Serial Gadget talks to the Linux-USB generic serial driver. | |
771 | This driver supports a CDC-ACM module option, which can be used | |
772 | to interoperate with MS-Windows hosts or with the Linux-USB | |
773 | "cdc-acm" driver. | |
774 | ||
3086775a FB |
775 | This driver also supports a CDC-OBEX option. You will need a |
776 | user space OBEX server talking to /dev/ttyGS*, since the kernel | |
777 | itself doesn't implement the OBEX protocol. | |
778 | ||
1da177e4 LT |
779 | Say "y" to link the driver statically, or "m" to build a |
780 | dynamically linked module called "g_serial". | |
781 | ||
782 | For more information, see Documentation/usb/gadget_serial.txt | |
783 | which includes instructions and a "driver info file" needed to | |
3086775a | 784 | make MS-Windows work with CDC ACM. |
1da177e4 | 785 | |
f2ebf92c | 786 | config USB_MIDI_GADGET |
eb83be98 GKH |
787 | tristate "MIDI Gadget" |
788 | depends on SND | |
a84d9e53 | 789 | select USB_LIBCOMPOSITE |
f2ebf92c BW |
790 | select SND_RAWMIDI |
791 | help | |
792 | The MIDI Gadget acts as a USB Audio device, with one MIDI | |
793 | input and one MIDI output. These MIDI jacks appear as | |
794 | a sound "card" in the ALSA sound system. Other MIDI | |
795 | connections can then be made on the gadget system, using | |
796 | ALSA's aconnect utility etc. | |
797 | ||
798 | Say "y" to link the driver statically, or "m" to build a | |
799 | dynamically linked module called "g_midi". | |
800 | ||
25a010c8 CN |
801 | config USB_G_PRINTER |
802 | tristate "Printer Gadget" | |
a84d9e53 | 803 | select USB_LIBCOMPOSITE |
25a010c8 CN |
804 | help |
805 | The Printer Gadget channels data between the USB host and a | |
806 | userspace program driving the print engine. The user space | |
807 | program reads and writes the device file /dev/g_printer to | |
808 | receive or send printer data. It can use ioctl calls to | |
809 | the device file to get or set printer status. | |
810 | ||
811 | Say "y" to link the driver statically, or "m" to build a | |
812 | dynamically linked module called "g_printer". | |
813 | ||
814 | For more information, see Documentation/usb/gadget_printer.txt | |
815 | which includes sample code for accessing the device file. | |
1da177e4 | 816 | |
4f73bc4d JM |
817 | if TTY |
818 | ||
19e20680 DB |
819 | config USB_CDC_COMPOSITE |
820 | tristate "CDC Composite Device (Ethernet and ACM)" | |
4ddd9ec1 | 821 | depends on NET |
a84d9e53 | 822 | select USB_LIBCOMPOSITE |
3249ca22 | 823 | select USB_U_SERIAL |
29a6645f | 824 | select USB_F_ACM |
19e20680 DB |
825 | help |
826 | This driver provides two functions in one configuration: | |
827 | a CDC Ethernet (ECM) link, and a CDC ACM (serial port) link. | |
828 | ||
829 | This driver requires four bulk and two interrupt endpoints, | |
830 | plus the ability to handle altsettings. Not all peripheral | |
831 | controllers are that capable. | |
832 | ||
833 | Say "y" to link the driver statically, or "m" to build a | |
834 | dynamically linked module. | |
835 | ||
f358f5b4 FB |
836 | config USB_G_NOKIA |
837 | tristate "Nokia composite gadget" | |
838 | depends on PHONET | |
a84d9e53 | 839 | select USB_LIBCOMPOSITE |
3249ca22 | 840 | select USB_U_SERIAL |
f358f5b4 FB |
841 | help |
842 | The Nokia composite gadget provides support for acm, obex | |
843 | and phonet in only one composite gadget driver. | |
844 | ||
845 | It's only really useful for N900 hardware. If you're building | |
846 | a kernel for N900, say Y or M here. If unsure, say N. | |
847 | ||
fa3ae0c1 KS |
848 | config USB_G_ACM_MS |
849 | tristate "CDC Composite Device (ACM and mass storage)" | |
850 | depends on BLOCK | |
a84d9e53 | 851 | select USB_LIBCOMPOSITE |
3249ca22 | 852 | select USB_U_SERIAL |
5f72bbfd | 853 | select USB_F_ACM |
fa3ae0c1 KS |
854 | help |
855 | This driver provides two functions in one configuration: | |
856 | a mass storage, and a CDC ACM (serial port) link. | |
857 | ||
858 | Say "y" to link the driver statically, or "m" to build a | |
859 | dynamically linked module called "g_acm_ms". | |
860 | ||
f176a5d8 | 861 | config USB_G_MULTI |
eb83be98 | 862 | tristate "Multifunction Composite Gadget" |
5791e103 | 863 | depends on BLOCK && NET |
279cc49a | 864 | select USB_G_MULTI_CDC if !USB_G_MULTI_RNDIS |
a84d9e53 | 865 | select USB_LIBCOMPOSITE |
3249ca22 | 866 | select USB_U_SERIAL |
59835ad7 | 867 | select USB_F_ACM |
f176a5d8 MN |
868 | help |
869 | The Multifunction Composite Gadget provides Ethernet (RNDIS | |
870 | and/or CDC Ethernet), mass storage and ACM serial link | |
871 | interfaces. | |
872 | ||
5791e103 | 873 | You will be asked to choose which of the two configurations is |
f176a5d8 | 874 | to be available in the gadget. At least one configuration must |
5791e103 | 875 | be chosen to make the gadget usable. Selecting more than one |
f176a5d8 | 876 | configuration will prevent Windows from automatically detecting |
5791e103 | 877 | the gadget as a composite gadget, so an INF file will be needed to |
f176a5d8 MN |
878 | use the gadget. |
879 | ||
880 | Say "y" to link the driver statically, or "m" to build a | |
881 | dynamically linked module called "g_multi". | |
882 | ||
883 | config USB_G_MULTI_RNDIS | |
884 | bool "RNDIS + CDC Serial + Storage configuration" | |
885 | depends on USB_G_MULTI | |
886 | default y | |
887 | help | |
888 | This option enables a configuration with RNDIS, CDC Serial and | |
889 | Mass Storage functions available in the Multifunction Composite | |
5791e103 RD |
890 | Gadget. This is the configuration dedicated for Windows since RNDIS |
891 | is Microsoft's protocol. | |
f176a5d8 MN |
892 | |
893 | If unsure, say "y". | |
894 | ||
895 | config USB_G_MULTI_CDC | |
896 | bool "CDC Ethernet + CDC Serial + Storage configuration" | |
897 | depends on USB_G_MULTI | |
898 | default n | |
899 | help | |
900 | This option enables a configuration with CDC Ethernet (ECM), CDC | |
901 | Serial and Mass Storage functions available in the Multifunction | |
5791e103 | 902 | Composite Gadget. |
f176a5d8 MN |
903 | |
904 | If unsure, say "y". | |
905 | ||
4f73bc4d JM |
906 | endif # TTY |
907 | ||
71adf118 FC |
908 | config USB_G_HID |
909 | tristate "HID Gadget" | |
a84d9e53 | 910 | select USB_LIBCOMPOSITE |
71adf118 FC |
911 | help |
912 | The HID gadget driver provides generic emulation of USB | |
913 | Human Interface Devices (HID). | |
914 | ||
915 | For more information, see Documentation/usb/gadget_hid.txt which | |
916 | includes sample code for accessing the device files. | |
917 | ||
918 | Say "y" to link the driver statically, or "m" to build a | |
919 | dynamically linked module called "g_hid". | |
f176a5d8 | 920 | |
a84d9e53 | 921 | # Standalone / single function gadgets |
f6c826a9 | 922 | config USB_G_DBGP |
923 | tristate "EHCI Debug Device Gadget" | |
4f73bc4d | 924 | depends on TTY |
a84d9e53 | 925 | select USB_LIBCOMPOSITE |
f6c826a9 | 926 | help |
927 | This gadget emulates an EHCI Debug device. This is useful when you want | |
928 | to interact with an EHCI Debug Port. | |
929 | ||
930 | Say "y" to link the driver statically, or "m" to build a | |
931 | dynamically linked module called "g_dbgp". | |
932 | ||
933 | if USB_G_DBGP | |
934 | choice | |
935 | prompt "EHCI Debug Device mode" | |
936 | default USB_G_DBGP_SERIAL | |
937 | ||
938 | config USB_G_DBGP_PRINTK | |
939 | depends on USB_G_DBGP | |
940 | bool "printk" | |
941 | help | |
942 | Directly printk() received data. No interaction. | |
943 | ||
944 | config USB_G_DBGP_SERIAL | |
945 | depends on USB_G_DBGP | |
3249ca22 | 946 | select USB_U_SERIAL |
f6c826a9 | 947 | bool "serial" |
948 | help | |
949 | Userland can interact using /dev/ttyGSxxx. | |
950 | endchoice | |
951 | endif | |
952 | ||
1da177e4 LT |
953 | # put drivers that need isochronous transfer support (for audio |
954 | # or video class gadget drivers), or specific hardware, here. | |
a9914127 LP |
955 | config USB_G_WEBCAM |
956 | tristate "USB Webcam Gadget" | |
24337c13 | 957 | depends on VIDEO_DEV |
0b2ffb78 | 958 | select USB_LIBCOMPOSITE |
a9914127 LP |
959 | help |
960 | The Webcam Gadget acts as a composite USB Audio and Video Class | |
961 | device. It provides a userspace API to process UVC control requests | |
962 | and stream video data to the host. | |
1da177e4 | 963 | |
a9914127 LP |
964 | Say "y" to link the driver statically, or "m" to build a |
965 | dynamically linked module called "g_webcam". | |
1da177e4 LT |
966 | |
967 | endchoice | |
968 | ||
b75be4ab | 969 | endif # USB_GADGET |