From fb54be8755d386008bfadb7fc8ff89451fa3a9c9 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 27 Jun 2008 19:50:40 +0530 Subject: vicam: use request_firmware() Although it wasn't actually using ihex records before, we use the Intel HEX record format for this firmware -- because that gives us a simple way to split it into separate chunks internally as we need, without loading each part as a separate file. Signed-off-by: Jaswinder Singh Signed-off-by: David Woodhouse --- drivers/media/video/usbvideo/vicam.c | 317 +++-------------------------------- 1 file changed, 21 insertions(+), 296 deletions(-) (limited to 'drivers/media/video/usbvideo/vicam.c') diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index 17f542dfb36..40d053e0d5b 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -43,6 +43,8 @@ #include #include #include +#include +#include #include "usbvideo.h" // #define VICAM_DEBUG @@ -70,284 +72,6 @@ #define VICAM_HEADER_SIZE 64 -/* Not sure what all the bytes in these char - * arrays do, but they're necessary to make - * the camera work. - */ - -static unsigned char setup1[] = { - 0xB6, 0xC3, 0x1F, 0x00, 0x02, 0x64, 0xE7, 0x67, - 0xFD, 0xFF, 0x0E, 0xC0, 0xE7, 0x09, 0xDE, 0x00, - 0x8E, 0x00, 0xC0, 0x09, 0x40, 0x03, 0xC0, 0x17, - 0x44, 0x03, 0x4B, 0xAF, 0xC0, 0x07, 0x00, 0x00, - 0x4B, 0xAF, 0x97, 0xCF, 0x00, 0x00 -}; - -static unsigned char setup2[] = { - 0xB6, 0xC3, 0x03, 0x00, 0x03, 0x64, 0x18, 0x00, - 0x00, 0x00 -}; - -static unsigned char setup3[] = { - 0xB6, 0xC3, 0x01, 0x00, 0x06, 0x64, 0x00, 0x00 -}; - -static unsigned char setup4[] = { - 0xB6, 0xC3, 0x8F, 0x06, 0x02, 0x64, 0xE7, 0x07, - 0x00, 0x00, 0x08, 0xC0, 0xE7, 0x07, 0x00, 0x00, - 0x3E, 0xC0, 0xE7, 0x07, 0x54, 0x01, 0xAA, 0x00, - 0xE7, 0x07, 0xC8, 0x05, 0xB6, 0x00, 0xE7, 0x07, - 0x42, 0x01, 0xD2, 0x00, 0xE7, 0x07, 0x7C, 0x00, - 0x16, 0x00, 0xE7, 0x07, 0x56, 0x00, 0x18, 0x00, - 0xE7, 0x07, 0x06, 0x00, 0x92, 0xC0, 0xE7, 0x07, - 0x00, 0x00, 0x1E, 0xC0, 0xE7, 0x07, 0xFF, 0xFF, - 0x22, 0xC0, 0xE7, 0x07, 0x04, 0x00, 0x24, 0xC0, - 0xE7, 0x07, 0xEC, 0x27, 0x28, 0xC0, 0xE7, 0x07, - 0x16, 0x01, 0x8E, 0x00, 0xE7, 0x87, 0x01, 0x00, - 0x0E, 0xC0, 0x97, 0xCF, 0xD7, 0x09, 0x00, 0xC0, - 0xE7, 0x77, 0x01, 0x00, 0x92, 0xC0, 0x09, 0xC1, - 0xE7, 0x09, 0xFE, 0x05, 0x24, 0x01, 0xE7, 0x09, - 0x04, 0x06, 0x26, 0x01, 0xE7, 0x07, 0x07, 0x00, - 0x92, 0xC0, 0xE7, 0x05, 0x00, 0xC0, 0xC0, 0xDF, - 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0xE7, 0x67, 0xBF, 0xFF, 0x24, 0xC0, 0xE7, 0x67, - 0xBF, 0xFF, 0x24, 0xC0, 0x00, 0xDA, 0xE8, 0x09, - 0x20, 0xC0, 0xE7, 0x87, 0x40, 0x00, 0x24, 0xC0, - 0xE7, 0x87, 0x40, 0x00, 0x24, 0xC0, 0x00, 0xDA, - 0xE8, 0x09, 0x20, 0xC0, 0x6D, 0xC1, 0xE7, 0x87, - 0x00, 0x01, 0x24, 0xC0, 0x97, 0xCF, 0xE7, 0x07, - 0x32, 0x00, 0x12, 0xC0, 0xE7, 0x77, 0x00, 0x80, - 0x12, 0xC0, 0x7C, 0xC0, 0x97, 0xCF, 0xE7, 0x07, - 0x20, 0x4E, 0x12, 0xC0, 0xE7, 0x77, 0x00, 0x80, - 0x12, 0xC0, 0x7C, 0xC0, 0x97, 0xCF, 0x09, 0x02, - 0x19, 0x00, 0x01, 0x01, 0x00, 0x80, 0x96, 0x09, - 0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, - 0x07, 0x05, 0x81, 0x02, 0x40, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -}; - -static unsigned char setup5[] = { - 0xB6, 0xC3, 0x2F, 0x01, 0x03, 0x64, 0x0E, 0x00, - 0x14, 0x00, 0x1A, 0x00, 0x20, 0x00, 0x26, 0x00, - 0x4A, 0x00, 0x64, 0x00, 0x6A, 0x00, 0x92, 0x00, - 0x9A, 0x00, 0xA0, 0x00, 0xB2, 0x00, 0xB8, 0x00, - 0xBE, 0x00, 0xC2, 0x00, 0xC8, 0x00, 0xCE, 0x00, - 0xDC, 0x00, 0xDA, 0x00, 0xE2, 0x00, 0xE0, 0x00, - 0xE8, 0x00, 0xE6, 0x00, 0xEE, 0x00, 0xEC, 0x00, - 0xF2, 0x00, 0xF8, 0x00, 0x02, 0x01, 0x0A, 0x01, - 0x0E, 0x01, 0x12, 0x01, 0x1E, 0x01, 0x22, 0x01, - 0x28, 0x01, 0x2C, 0x01, 0x32, 0x01, 0x36, 0x01, - 0x44, 0x01, 0x50, 0x01, 0x5E, 0x01, 0x72, 0x01, - 0x76, 0x01, 0x7A, 0x01, 0x80, 0x01, 0x88, 0x01, - 0x8C, 0x01, 0x94, 0x01, 0x9C, 0x01, 0xA0, 0x01, - 0xA4, 0x01, 0xAA, 0x01, 0xB0, 0x01, 0xB4, 0x01, - 0xBA, 0x01, 0xD0, 0x01, 0xDA, 0x01, 0xF6, 0x01, - 0xFA, 0x01, 0x02, 0x02, 0x34, 0x02, 0x3C, 0x02, - 0x44, 0x02, 0x4A, 0x02, 0x50, 0x02, 0x56, 0x02, - 0x74, 0x02, 0x78, 0x02, 0x7E, 0x02, 0x84, 0x02, - 0x8A, 0x02, 0x88, 0x02, 0x90, 0x02, 0x8E, 0x02, - 0x94, 0x02, 0xA2, 0x02, 0xA8, 0x02, 0xAE, 0x02, - 0xB4, 0x02, 0xBA, 0x02, 0xB8, 0x02, 0xC0, 0x02, - 0xBE, 0x02, 0xC4, 0x02, 0xD0, 0x02, 0xD4, 0x02, - 0xE0, 0x02, 0xE6, 0x02, 0xEE, 0x02, 0xF8, 0x02, - 0xFC, 0x02, 0x06, 0x03, 0x1E, 0x03, 0x24, 0x03, - 0x28, 0x03, 0x30, 0x03, 0x2E, 0x03, 0x3C, 0x03, - 0x4A, 0x03, 0x4E, 0x03, 0x54, 0x03, 0x58, 0x03, - 0x5E, 0x03, 0x66, 0x03, 0x6E, 0x03, 0x7A, 0x03, - 0x86, 0x03, 0x8E, 0x03, 0x96, 0x03, 0xB2, 0x03, - 0xB8, 0x03, 0xC6, 0x03, 0xCC, 0x03, 0xD4, 0x03, - 0xDA, 0x03, 0xE8, 0x03, 0xF4, 0x03, 0xFC, 0x03, - 0x04, 0x04, 0x20, 0x04, 0x2A, 0x04, 0x32, 0x04, - 0x36, 0x04, 0x3E, 0x04, 0x44, 0x04, 0x42, 0x04, - 0x48, 0x04, 0x4E, 0x04, 0x4C, 0x04, 0x54, 0x04, - 0x52, 0x04, 0x5A, 0x04, 0x5E, 0x04, 0x62, 0x04, - 0x68, 0x04, 0x74, 0x04, 0x7C, 0x04, 0x80, 0x04, - 0x88, 0x04, 0x8C, 0x04, 0x94, 0x04, 0x9A, 0x04, - 0xA2, 0x04, 0xA6, 0x04, 0xAE, 0x04, 0xB4, 0x04, - 0xC0, 0x04, 0xCC, 0x04, 0xD8, 0x04, 0x2A, 0x05, - 0x46, 0x05, 0x6C, 0x05, 0x00, 0x00 -}; - /* rvmalloc / rvfree copied from usbvideo.c * * Not sure why these are not yet non-statics which I can reference through @@ -464,28 +188,28 @@ static int send_control_msg(struct vicam_camera *cam, static int initialize_camera(struct vicam_camera *cam) { - const struct { - u8 *data; - u32 size; - } firmware[] = { - { .data = setup1, .size = sizeof(setup1) }, - { .data = setup2, .size = sizeof(setup2) }, - { .data = setup3, .size = sizeof(setup3) }, - { .data = setup4, .size = sizeof(setup4) }, - { .data = setup5, .size = sizeof(setup5) }, - { .data = setup3, .size = sizeof(setup3) }, - { .data = NULL, .size = 0 } - }; - - int err, i; - - for (i = 0, err = 0; firmware[i].data && !err; i++) { - memcpy(cam->cntrlbuf, firmware[i].data, firmware[i].size); + int err; + const struct ihex_binrec *rec; + const struct firmware *fw; + + err = request_ihex_firmware(&fw, "vicam/firmware.fw", &cam->udev->dev); + if (err) { + printk(KERN_ERR "Failed to load \"vicam/firmware.fw\": %d\n", + err); + return err; + } + + for (rec = (void *)fw->data; rec; rec = ihex_next_binrec(rec)) { + memcpy(cam->cntrlbuf, rec->data, be16_to_cpu(rec->len)); err = send_control_msg(cam, 0xff, 0, 0, - cam->cntrlbuf, firmware[i].size); + cam->cntrlbuf, be16_to_cpu(rec->len)); + if (err) + break; } + release_firmware(fw); + return err; } @@ -1226,3 +950,4 @@ module_exit(usb_vicam_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("vicam/firmware.fw"); -- cgit v1.2.3