From 355b4b2b5e83986132c77326e2b97780480b8d69 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Wed, 1 Aug 2012 21:38:46 -0300 Subject: [media] dvb_usbv2: rename dvb_usb_firmware to cypress_firmware Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab diff --git a/drivers/media/dvb/dvb-usb-v2/Kconfig b/drivers/media/dvb/dvb-usb-v2/Kconfig index bef2ffa..81f0f1c 100644 --- a/drivers/media/dvb/dvb-usb-v2/Kconfig +++ b/drivers/media/dvb/dvb-usb-v2/Kconfig @@ -13,9 +13,17 @@ config DVB_USB_V2 Say Y if you own a USB DVB device. -config DVB_USB_FIRMWARE - tristate "Firmware helper routines" +config DVB_USB_CYPRESS_FIRMWARE + tristate "Cypress firmware helper routines" depends on DVB_USB_V2 + help + Common firmware download routine for various Cypress USB interface + chips. + + Supported models are: + Cypress AN2135 + Cypress AN2235 + Cypress FX2 config DVB_USB_AF9015 tristate "Afatech AF9015 DVB-T USB2.0 support" diff --git a/drivers/media/dvb/dvb-usb-v2/Makefile b/drivers/media/dvb/dvb-usb-v2/Makefile index 6080ec8..a98319c 100644 --- a/drivers/media/dvb/dvb-usb-v2/Makefile +++ b/drivers/media/dvb/dvb-usb-v2/Makefile @@ -1,7 +1,7 @@ dvb_usbv2-objs = dvb_usb_core.o dvb_usb_urb.o usb_urb.o obj-$(CONFIG_DVB_USB_V2) += dvb_usbv2.o -obj-$(CONFIG_DVB_USB_FIRMWARE) += dvb_usb_firmware.o +obj-$(DVB_USB_CYPRESS_FIRMWARE) += dvb_usb_cypress_firmware.o dvb-usb-af9015-objs = af9015.o obj-$(CONFIG_DVB_USB_AF9015) += dvb-usb-af9015.o diff --git a/drivers/media/dvb/dvb-usb-v2/cypress_firmware.c b/drivers/media/dvb/dvb-usb-v2/cypress_firmware.c new file mode 100644 index 0000000..9f7c970 --- /dev/null +++ b/drivers/media/dvb/dvb-usb-v2/cypress_firmware.c @@ -0,0 +1,125 @@ +/* cypress_firmware.c is part of the DVB USB library. + * + * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) + * see dvb-usb-init.c for copyright information. + * + * This file contains functions for downloading the firmware to Cypress FX 1 + * and 2 based devices. + * + */ + +#include "dvb_usb.h" +#include "cypress_firmware.h" + +struct usb_cypress_controller { + u8 id; + const char *name; /* name of the usb controller */ + u16 cs_reg; /* needs to be restarted, + * when the firmware has been downloaded */ +}; + +static const struct usb_cypress_controller cypress[] = { + { .id = CYPRESS_AN2135, .name = "Cypress AN2135", .cs_reg = 0x7f92 }, + { .id = CYPRESS_AN2235, .name = "Cypress AN2235", .cs_reg = 0x7f92 }, + { .id = CYPRESS_FX2, .name = "Cypress FX2", .cs_reg = 0xe600 }, +}; + +/* + * load a firmware packet to the device + */ +static int usb_cypress_writemem(struct usb_device *udev, u16 addr, u8 *data, + u8 len) +{ + return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5000); +} + +int usbv2_cypress_load_firmware(struct usb_device *udev, + const struct firmware *fw, int type) +{ + struct hexline hx; + u8 reset; + int ret, pos = 0; + + /* stop the CPU */ + reset = 1; + ret = usb_cypress_writemem(udev, cypress[type].cs_reg, &reset, 1); + if (ret != 1) + pr_err("%s: could not stop the USB controller CPU", + KBUILD_MODNAME); + + while ((ret = dvb_usbv2_get_hexline(fw, &hx, &pos)) > 0) { + pr_debug("%s: writing to address %04x (buffer: %02x %02x)\n", + __func__, hx.addr, hx.len, hx.chk); + + ret = usb_cypress_writemem(udev, hx.addr, hx.data, hx.len); + if (ret != hx.len) { + pr_err("%s: error while transferring firmware " \ + "(transferred size=%d, block size=%d)", + KBUILD_MODNAME, ret, hx.len); + ret = -EINVAL; + break; + } + } + if (ret < 0) { + pr_err("%s: firmware download failed at %d with %d", + KBUILD_MODNAME, pos, ret); + return ret; + } + + if (ret == 0) { + /* restart the CPU */ + reset = 0; + if (ret || usb_cypress_writemem( + udev, cypress[type].cs_reg, &reset, 1) != 1) { + pr_err("%s: could not restart the USB controller CPU", + KBUILD_MODNAME); + ret = -EINVAL; + } + } else + ret = -EIO; + + return ret; +} +EXPORT_SYMBOL(usbv2_cypress_load_firmware); + +int dvb_usbv2_get_hexline(const struct firmware *fw, struct hexline *hx, + int *pos) +{ + u8 *b = (u8 *) &fw->data[*pos]; + int data_offs = 4; + + if (*pos >= fw->size) + return 0; + + memset(hx, 0, sizeof(struct hexline)); + + hx->len = b[0]; + + if ((*pos + hx->len + 4) >= fw->size) + return -EINVAL; + + hx->addr = b[1] | (b[2] << 8); + hx->type = b[3]; + + if (hx->type == 0x04) { + /* b[4] and b[5] are the Extended linear address record data + * field */ + hx->addr |= (b[4] << 24) | (b[5] << 16); + /* + hx->len -= 2; + data_offs += 2; + */ + } + memcpy(hx->data, &b[data_offs], hx->len); + hx->chk = b[hx->len + data_offs]; + + *pos += hx->len + 5; + + return *pos; +} +EXPORT_SYMBOL(dvb_usbv2_get_hexline); + +MODULE_AUTHOR("Antti Palosaari "); +MODULE_DESCRIPTION("Cypress firmware download"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb-v2/cypress_firmware.h b/drivers/media/dvb/dvb-usb-v2/cypress_firmware.h new file mode 100644 index 0000000..80085fd --- /dev/null +++ b/drivers/media/dvb/dvb-usb-v2/cypress_firmware.h @@ -0,0 +1,31 @@ +/* cypress_firmware.h is part of the DVB USB library. + * + * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) + * see dvb-usb-init.c for copyright information. + * + * This file contains functions for downloading the firmware to Cypress FX 1 + * and 2 based devices. + * + */ + +#ifndef CYPRESS_FIRMWARE_H +#define CYPRESS_FIRMWARE_H + +#define CYPRESS_AN2135 0 +#define CYPRESS_AN2235 1 +#define CYPRESS_FX2 2 + +/* commonly used firmware download types and function */ +struct hexline { + u8 len; + u32 addr; + u8 type; + u8 data[255]; + u8 chk; +}; +extern int usbv2_cypress_load_firmware(struct usb_device *, + const struct firmware *, int); +extern int dvb_usbv2_get_hexline(const struct firmware *, + struct hexline *, int *); + +#endif diff --git a/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.c b/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.c deleted file mode 100644 index 61c3fe9..0000000 --- a/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.c +++ /dev/null @@ -1,125 +0,0 @@ -/* dvb_usb_firmware.c is part of the DVB USB library. - * - * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) - * see dvb-usb-init.c for copyright information. - * - * This file contains functions for downloading the firmware to Cypress FX 1 - * and 2 based devices. - * - */ - -#include "dvb_usb.h" -#include "dvb_usb_firmware.h" - -struct usb_cypress_controller { - u8 id; - const char *name; /* name of the usb controller */ - u16 cs_reg; /* needs to be restarted, - * when the firmware has been downloaded */ -}; - -static const struct usb_cypress_controller cypress[] = { - { .id = CYPRESS_AN2135, .name = "Cypress AN2135", .cs_reg = 0x7f92 }, - { .id = CYPRESS_AN2235, .name = "Cypress AN2235", .cs_reg = 0x7f92 }, - { .id = CYPRESS_FX2, .name = "Cypress FX2", .cs_reg = 0xe600 }, -}; - -/* - * load a firmware packet to the device - */ -static int usb_cypress_writemem(struct usb_device *udev, u16 addr, u8 *data, - u8 len) -{ - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5000); -} - -int usbv2_cypress_load_firmware(struct usb_device *udev, - const struct firmware *fw, int type) -{ - struct hexline hx; - u8 reset; - int ret, pos = 0; - - /* stop the CPU */ - reset = 1; - ret = usb_cypress_writemem(udev, cypress[type].cs_reg, &reset, 1); - if (ret != 1) - pr_err("%s: could not stop the USB controller CPU", - KBUILD_MODNAME); - - while ((ret = dvb_usbv2_get_hexline(fw, &hx, &pos)) > 0) { - pr_debug("%s: writing to address %04x (buffer: %02x %02x)\n", - __func__, hx.addr, hx.len, hx.chk); - - ret = usb_cypress_writemem(udev, hx.addr, hx.data, hx.len); - if (ret != hx.len) { - pr_err("%s: error while transferring firmware " \ - "(transferred size=%d, block size=%d)", - KBUILD_MODNAME, ret, hx.len); - ret = -EINVAL; - break; - } - } - if (ret < 0) { - pr_err("%s: firmware download failed at %d with %d", - KBUILD_MODNAME, pos, ret); - return ret; - } - - if (ret == 0) { - /* restart the CPU */ - reset = 0; - if (ret || usb_cypress_writemem( - udev, cypress[type].cs_reg, &reset, 1) != 1) { - pr_err("%s: could not restart the USB controller CPU", - KBUILD_MODNAME); - ret = -EINVAL; - } - } else - ret = -EIO; - - return ret; -} -EXPORT_SYMBOL(usbv2_cypress_load_firmware); - -int dvb_usbv2_get_hexline(const struct firmware *fw, struct hexline *hx, - int *pos) -{ - u8 *b = (u8 *) &fw->data[*pos]; - int data_offs = 4; - - if (*pos >= fw->size) - return 0; - - memset(hx, 0, sizeof(struct hexline)); - - hx->len = b[0]; - - if ((*pos + hx->len + 4) >= fw->size) - return -EINVAL; - - hx->addr = b[1] | (b[2] << 8); - hx->type = b[3]; - - if (hx->type == 0x04) { - /* b[4] and b[5] are the Extended linear address record data - * field */ - hx->addr |= (b[4] << 24) | (b[5] << 16); - /* - hx->len -= 2; - data_offs += 2; - */ - } - memcpy(hx->data, &b[data_offs], hx->len); - hx->chk = b[hx->len + data_offs]; - - *pos += hx->len + 5; - - return *pos; -} -EXPORT_SYMBOL(dvb_usbv2_get_hexline); - -MODULE_AUTHOR("Antti Palosaari "); -MODULE_DESCRIPTION("Cypress firmware download"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.h b/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.h deleted file mode 100644 index 358d9d0..0000000 --- a/drivers/media/dvb/dvb-usb-v2/dvb_usb_firmware.h +++ /dev/null @@ -1,31 +0,0 @@ -/* dvb_usb_firmware.c is part of the DVB USB library. - * - * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) - * see dvb-usb-init.c for copyright information. - * - * This file contains functions for downloading the firmware to Cypress FX 1 - * and 2 based devices. - * - */ - -#ifndef DVB_USB_FIRMWARE_H -#define DVB_USB_FIRMWARE_H - -#define CYPRESS_AN2135 0 -#define CYPRESS_AN2235 1 -#define CYPRESS_FX2 2 - -/* commonly used firmware download types and function */ -struct hexline { - u8 len; - u32 addr; - u8 type; - u8 data[255]; - u8 chk; -}; -extern int usbv2_cypress_load_firmware(struct usb_device *, - const struct firmware *, int); -extern int dvb_usbv2_get_hexline(const struct firmware *, - struct hexline *, int *); - -#endif -- cgit v0.10.2