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"
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
--- /dev/null
+/* 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 <crope@iki.fi>");
+MODULE_DESCRIPTION("Cypress firmware download");
+MODULE_LICENSE("GPL");
--- /dev/null
+/* 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
+++ /dev/null
-/* 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 <crope@iki.fi>");
-MODULE_DESCRIPTION("Cypress firmware download");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/* 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
projects / mirror_ubuntu-artful-kernel.git / commitdiff