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path: root/drivers/nfc/pn533.c
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Diffstat (limited to 'drivers/nfc/pn533.c')
-rw-r--r--drivers/nfc/pn533.c224
1 files changed, 184 insertions, 40 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 9ac829e22e73..d606f52fec84 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -38,9 +38,44 @@
#define SCM_VENDOR_ID 0x4E6
#define SCL3711_PRODUCT_ID 0x5591
+#define SONY_VENDOR_ID 0x054c
+#define PASORI_PRODUCT_ID 0x02e1
+
+#define PN533_QUIRKS_TYPE_A BIT(0)
+#define PN533_QUIRKS_TYPE_F BIT(1)
+#define PN533_QUIRKS_DEP BIT(2)
+#define PN533_QUIRKS_RAW_EXCHANGE BIT(3)
+
+#define PN533_DEVICE_STD 0x1
+#define PN533_DEVICE_PASORI 0x2
+
+#define PN533_ALL_PROTOCOLS (NFC_PROTO_JEWEL_MASK | NFC_PROTO_MIFARE_MASK |\
+ NFC_PROTO_FELICA_MASK | NFC_PROTO_ISO14443_MASK |\
+ NFC_PROTO_NFC_DEP_MASK |\
+ NFC_PROTO_ISO14443_B_MASK)
+
+#define PN533_NO_TYPE_B_PROTOCOLS (NFC_PROTO_JEWEL_MASK | \
+ NFC_PROTO_MIFARE_MASK | \
+ NFC_PROTO_FELICA_MASK | \
+ NFC_PROTO_ISO14443_MASK | \
+ NFC_PROTO_NFC_DEP_MASK)
+
static const struct usb_device_id pn533_table[] = {
- { USB_DEVICE(PN533_VENDOR_ID, PN533_PRODUCT_ID) },
- { USB_DEVICE(SCM_VENDOR_ID, SCL3711_PRODUCT_ID) },
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = PN533_VENDOR_ID,
+ .idProduct = PN533_PRODUCT_ID,
+ .driver_info = PN533_DEVICE_STD,
+ },
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = SCM_VENDOR_ID,
+ .idProduct = SCL3711_PRODUCT_ID,
+ .driver_info = PN533_DEVICE_STD,
+ },
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+ .idVendor = SONY_VENDOR_ID,
+ .idProduct = PASORI_PRODUCT_ID,
+ .driver_info = PN533_DEVICE_PASORI,
+ },
{ }
};
MODULE_DEVICE_TABLE(usb, pn533_table);
@@ -72,6 +107,7 @@ MODULE_DEVICE_TABLE(usb, pn533_table);
#define PN533_CMD_GET_FIRMWARE_VERSION 0x02
#define PN533_CMD_RF_CONFIGURATION 0x32
#define PN533_CMD_IN_DATA_EXCHANGE 0x40
+#define PN533_CMD_IN_COMM_THRU 0x42
#define PN533_CMD_IN_LIST_PASSIVE_TARGET 0x4A
#define PN533_CMD_IN_ATR 0x50
#define PN533_CMD_IN_RELEASE 0x52
@@ -109,6 +145,7 @@ struct pn533_fw_version {
/* PN533_CMD_RF_CONFIGURATION */
#define PN533_CFGITEM_TIMING 0x02
#define PN533_CFGITEM_MAX_RETRIES 0x05
+#define PN533_CFGITEM_PASORI 0x82
#define PN533_CONFIG_TIMING_102 0xb
#define PN533_CONFIG_TIMING_204 0xc
@@ -344,6 +381,8 @@ struct pn533 {
u8 tgt_available_prots;
u8 tgt_active_prot;
u8 tgt_mode;
+
+ u32 device_type;
};
struct pn533_frame {
@@ -950,7 +989,7 @@ static int pn533_target_found_type_b(struct nfc_target *nfc_tgt, u8 *tgt_data,
if (!pn533_target_type_b_is_valid(tgt_type_b, tgt_data_len))
return -EPROTO;
- nfc_tgt->supported_protocols = NFC_PROTO_ISO14443_MASK;
+ nfc_tgt->supported_protocols = NFC_PROTO_ISO14443_B_MASK;
return 0;
}
@@ -1057,7 +1096,7 @@ static void pn533_poll_create_mod_list(struct pn533 *dev,
if (im_protocols & NFC_PROTO_JEWEL_MASK)
pn533_poll_add_mod(dev, PN533_POLL_MOD_106KBPS_JEWEL);
- if (im_protocols & NFC_PROTO_ISO14443_MASK)
+ if (im_protocols & NFC_PROTO_ISO14443_B_MASK)
pn533_poll_add_mod(dev, PN533_POLL_MOD_847KBPS_B);
if (tm_protocols)
@@ -1768,13 +1807,30 @@ static int pn533_build_tx_frame(struct pn533 *dev, struct sk_buff *skb,
}
if (target == true) {
- skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN);
- out_frame = (struct pn533_frame *) skb->data;
+ switch (dev->device_type) {
+ case PN533_DEVICE_PASORI:
+ if (dev->tgt_active_prot == NFC_PROTO_FELICA) {
+ skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN - 1);
+ out_frame = (struct pn533_frame *) skb->data;
+ pn533_tx_frame_init(out_frame,
+ PN533_CMD_IN_COMM_THRU);
+
+ break;
+ }
+
+ default:
+ skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN);
+ out_frame = (struct pn533_frame *) skb->data;
+ pn533_tx_frame_init(out_frame,
+ PN533_CMD_IN_DATA_EXCHANGE);
+ tg = 1;
+ memcpy(PN533_FRAME_CMD_PARAMS_PTR(out_frame),
+ &tg, sizeof(u8));
+ out_frame->datalen += sizeof(u8);
+
+ break;
+ }
- pn533_tx_frame_init(out_frame, PN533_CMD_IN_DATA_EXCHANGE);
- tg = 1;
- memcpy(PN533_FRAME_CMD_PARAMS_PTR(out_frame), &tg, sizeof(u8));
- out_frame->datalen += sizeof(u8);
} else {
skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN - 1);
out_frame = (struct pn533_frame *) skb->data;
@@ -2101,7 +2157,28 @@ static int pn533_set_configuration(struct pn533 *dev, u8 cfgitem, u8 *cfgdata,
return rc;
}
-struct nfc_ops pn533_nfc_ops = {
+static int pn533_fw_reset(struct pn533 *dev)
+{
+ int rc;
+ u8 *params;
+
+ nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
+
+ pn533_tx_frame_init(dev->out_frame, 0x18);
+
+ params = PN533_FRAME_CMD_PARAMS_PTR(dev->out_frame);
+ params[0] = 0x1;
+ dev->out_frame->datalen += 1;
+
+ pn533_tx_frame_finish(dev->out_frame);
+
+ rc = pn533_send_cmd_frame_sync(dev, dev->out_frame, dev->in_frame,
+ dev->in_maxlen);
+
+ return rc;
+}
+
+static struct nfc_ops pn533_nfc_ops = {
.dev_up = NULL,
.dev_down = NULL,
.dep_link_up = pn533_dep_link_up,
@@ -2114,6 +2191,84 @@ struct nfc_ops pn533_nfc_ops = {
.tm_send = pn533_tm_send,
};
+static int pn533_setup(struct pn533 *dev)
+{
+ struct pn533_config_max_retries max_retries;
+ struct pn533_config_timing timing;
+ u8 pasori_cfg[3] = {0x08, 0x01, 0x08};
+ int rc;
+
+ switch (dev->device_type) {
+ case PN533_DEVICE_STD:
+ max_retries.mx_rty_atr = PN533_CONFIG_MAX_RETRIES_ENDLESS;
+ max_retries.mx_rty_psl = 2;
+ max_retries.mx_rty_passive_act =
+ PN533_CONFIG_MAX_RETRIES_NO_RETRY;
+
+ timing.rfu = PN533_CONFIG_TIMING_102;
+ timing.atr_res_timeout = PN533_CONFIG_TIMING_204;
+ timing.dep_timeout = PN533_CONFIG_TIMING_409;
+
+ break;
+
+ case PN533_DEVICE_PASORI:
+ max_retries.mx_rty_atr = 0x2;
+ max_retries.mx_rty_psl = 0x1;
+ max_retries.mx_rty_passive_act =
+ PN533_CONFIG_MAX_RETRIES_NO_RETRY;
+
+ timing.rfu = PN533_CONFIG_TIMING_102;
+ timing.atr_res_timeout = PN533_CONFIG_TIMING_102;
+ timing.dep_timeout = PN533_CONFIG_TIMING_204;
+
+ break;
+
+ default:
+ nfc_dev_err(&dev->interface->dev, "Unknown device type %d\n",
+ dev->device_type);
+ return -EINVAL;
+ }
+
+ rc = pn533_set_configuration(dev, PN533_CFGITEM_MAX_RETRIES,
+ (u8 *)&max_retries, sizeof(max_retries));
+ if (rc) {
+ nfc_dev_err(&dev->interface->dev,
+ "Error on setting MAX_RETRIES config");
+ return rc;
+ }
+
+
+ rc = pn533_set_configuration(dev, PN533_CFGITEM_TIMING,
+ (u8 *)&timing, sizeof(timing));
+ if (rc) {
+ nfc_dev_err(&dev->interface->dev,
+ "Error on setting RF timings");
+ return rc;
+ }
+
+ switch (dev->device_type) {
+ case PN533_DEVICE_STD:
+ break;
+
+ case PN533_DEVICE_PASORI:
+ pn533_fw_reset(dev);
+
+ rc = pn533_set_configuration(dev, PN533_CFGITEM_PASORI,
+ pasori_cfg, 3);
+ if (rc) {
+ nfc_dev_err(&dev->interface->dev,
+ "Error while settings PASORI config");
+ return rc;
+ }
+
+ pn533_fw_reset(dev);
+
+ break;
+ }
+
+ return 0;
+}
+
static int pn533_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
@@ -2121,8 +2276,6 @@ static int pn533_probe(struct usb_interface *interface,
struct pn533 *dev;
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
- struct pn533_config_max_retries max_retries;
- struct pn533_config_timing timing;
int in_endpoint = 0;
int out_endpoint = 0;
int rc = -ENOMEM;
@@ -2208,10 +2361,22 @@ static int pn533_probe(struct usb_interface *interface,
nfc_dev_info(&dev->interface->dev, "NXP PN533 firmware ver %d.%d now"
" attached", fw_ver->ver, fw_ver->rev);
- protocols = NFC_PROTO_JEWEL_MASK
- | NFC_PROTO_MIFARE_MASK | NFC_PROTO_FELICA_MASK
- | NFC_PROTO_ISO14443_MASK
- | NFC_PROTO_NFC_DEP_MASK;
+ dev->device_type = id->driver_info;
+ switch (dev->device_type) {
+ case PN533_DEVICE_STD:
+ protocols = PN533_ALL_PROTOCOLS;
+ break;
+
+ case PN533_DEVICE_PASORI:
+ protocols = PN533_NO_TYPE_B_PROTOCOLS;
+ break;
+
+ default:
+ nfc_dev_err(&dev->interface->dev, "Unknown device type %d\n",
+ dev->device_type);
+ rc = -EINVAL;
+ goto destroy_wq;
+ }
dev->nfc_dev = nfc_allocate_device(&pn533_nfc_ops, protocols,
PN533_CMD_DATAEXCH_HEAD_LEN,
@@ -2226,30 +2391,9 @@ static int pn533_probe(struct usb_interface *interface,
if (rc)
goto free_nfc_dev;
- max_retries.mx_rty_atr = PN533_CONFIG_MAX_RETRIES_ENDLESS;
- max_retries.mx_rty_psl = 2;
- max_retries.mx_rty_passive_act = PN533_CONFIG_MAX_RETRIES_NO_RETRY;
-
- rc = pn533_set_configuration(dev, PN533_CFGITEM_MAX_RETRIES,
- (u8 *) &max_retries, sizeof(max_retries));
-
- if (rc) {
- nfc_dev_err(&dev->interface->dev, "Error on setting MAX_RETRIES"
- " config");
- goto unregister_nfc_dev;
- }
-
- timing.rfu = PN533_CONFIG_TIMING_102;
- timing.atr_res_timeout = PN533_CONFIG_TIMING_204;
- timing.dep_timeout = PN533_CONFIG_TIMING_409;
-
- rc = pn533_set_configuration(dev, PN533_CFGITEM_TIMING,
- (u8 *) &timing, sizeof(timing));
- if (rc) {
- nfc_dev_err(&dev->interface->dev,
- "Error on setting RF timings");
+ rc = pn533_setup(dev);
+ if (rc)
goto unregister_nfc_dev;
- }
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.