mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-14 08:13:56 +08:00
NFC: Add target mode protocols to the polling loop startup routine
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
parent
ab73b75130
commit
fe7c580073
@ -1078,27 +1078,23 @@ stop_poll:
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return 0;
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}
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static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
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static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols)
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{
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return 0;
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}
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static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols)
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{
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struct pn533 *dev = nfc_get_drvdata(nfc_dev);
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struct pn533_poll_modulations *start_mod;
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int rc;
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nfc_dev_dbg(&dev->interface->dev, "%s - protocols=0x%x", __func__,
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protocols);
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if (dev->poll_mod_count) {
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nfc_dev_err(&dev->interface->dev, "Polling operation already"
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" active");
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return -EBUSY;
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}
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if (dev->tgt_active_prot) {
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nfc_dev_err(&dev->interface->dev, "Cannot poll with a target"
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" already activated");
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return -EBUSY;
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}
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pn533_poll_create_mod_list(dev, protocols);
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if (!dev->poll_mod_count) {
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@ -1135,6 +1131,29 @@ error:
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return rc;
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}
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static int pn533_start_poll(struct nfc_dev *nfc_dev,
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u32 im_protocols, u32 tm_protocols)
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{
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struct pn533 *dev = nfc_get_drvdata(nfc_dev);
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nfc_dev_dbg(&dev->interface->dev,
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"%s: im protocols 0x%x tm protocols 0x%x",
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__func__, im_protocols, tm_protocols);
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if (dev->tgt_active_prot) {
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nfc_dev_err(&dev->interface->dev,
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"Cannot poll with a target already activated");
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return -EBUSY;
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}
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if (!tm_protocols)
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return pn533_start_im_poll(nfc_dev, im_protocols);
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else if (!im_protocols)
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return pn533_init_target(nfc_dev, tm_protocols);
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else
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return -EINVAL;
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}
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static void pn533_stop_poll(struct nfc_dev *nfc_dev)
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{
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struct pn533 *dev = nfc_get_drvdata(nfc_dev);
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@ -576,7 +576,8 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb)
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return pn544_hci_i2c_write(client, skb->data, skb->len);
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}
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static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
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static int pn544_hci_start_poll(struct nfc_shdlc *shdlc,
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u32 im_protocols, u32 tm_protocols)
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{
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struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
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u8 phases = 0;
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@ -584,7 +585,8 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
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u8 duration[2];
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u8 activated;
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pr_info(DRIVER_DESC ": %s protocols = %d\n", __func__, protocols);
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pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n",
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__func__, im_protocols, tm_protocols);
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r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
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NFC_HCI_EVT_END_OPERATION, NULL, 0);
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@ -604,10 +606,10 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
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if (r < 0)
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return r;
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if (protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
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if (im_protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
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NFC_PROTO_JEWEL_MASK))
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phases |= 1; /* Type A */
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if (protocols & NFC_PROTO_FELICA_MASK) {
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if (im_protocols & NFC_PROTO_FELICA_MASK) {
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phases |= (1 << 2); /* Type F 212 */
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phases |= (1 << 3); /* Type F 424 */
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}
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@ -94,6 +94,8 @@ enum nfc_commands {
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* @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes
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* @NFC_ATTR_COMM_MODE: Passive or active mode
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* @NFC_ATTR_RF_MODE: Initiator or target
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* @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for
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* @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for
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*/
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enum nfc_attrs {
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NFC_ATTR_UNSPEC,
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@ -109,6 +111,8 @@ enum nfc_attrs {
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NFC_ATTR_COMM_MODE,
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NFC_ATTR_RF_MODE,
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NFC_ATTR_DEVICE_POWERED,
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NFC_ATTR_IM_PROTOCOLS,
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NFC_ATTR_TM_PROTOCOLS,
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/* private: internal use only */
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__NFC_ATTR_AFTER_LAST
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};
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@ -31,7 +31,8 @@ struct nfc_hci_ops {
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void (*close) (struct nfc_hci_dev *hdev);
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int (*hci_ready) (struct nfc_hci_dev *hdev);
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int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
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int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols);
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int (*start_poll) (struct nfc_hci_dev *hdev,
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u32 im_protocols, u32 tm_protocols);
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int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate,
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struct nfc_target *target);
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int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate,
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@ -53,7 +53,8 @@ struct nfc_target;
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struct nfc_ops {
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int (*dev_up)(struct nfc_dev *dev);
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int (*dev_down)(struct nfc_dev *dev);
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int (*start_poll)(struct nfc_dev *dev, u32 protocols);
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int (*start_poll)(struct nfc_dev *dev,
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u32 im_protocols, u32 tm_protocols);
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void (*stop_poll)(struct nfc_dev *dev);
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int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target,
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u8 comm_mode, u8 *gb, size_t gb_len);
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@ -27,7 +27,8 @@ struct nfc_shdlc_ops {
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void (*close) (struct nfc_shdlc *shdlc);
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int (*hci_ready) (struct nfc_shdlc *shdlc);
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int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb);
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int (*start_poll) (struct nfc_shdlc *shdlc, u32 protocols);
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int (*start_poll) (struct nfc_shdlc *shdlc,
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u32 im_protocols, u32 tm_protocols);
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int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate,
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struct nfc_target *target);
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int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate,
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@ -121,14 +121,14 @@ error:
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* The device remains polling for targets until a target is found or
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* the nfc_stop_poll function is called.
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*/
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int nfc_start_poll(struct nfc_dev *dev, u32 protocols)
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int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols)
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{
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int rc;
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pr_debug("dev_name=%s protocols=0x%x\n",
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dev_name(&dev->dev), protocols);
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pr_debug("dev_name %s initiator protocols 0x%x target protocols 0x%x\n",
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dev_name(&dev->dev), im_protocols, tm_protocols);
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if (!protocols)
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if (!im_protocols && !tm_protocols)
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return -EINVAL;
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device_lock(&dev->dev);
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@ -143,7 +143,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 protocols)
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goto error;
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}
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rc = dev->ops->start_poll(dev, protocols);
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rc = dev->ops->start_poll(dev, im_protocols, tm_protocols);
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if (!rc)
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dev->polling = true;
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@ -481,12 +481,13 @@ static int hci_dev_down(struct nfc_dev *nfc_dev)
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return 0;
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}
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static int hci_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
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static int hci_start_poll(struct nfc_dev *nfc_dev,
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u32 im_protocols, u32 tm_protocols)
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{
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struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
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if (hdev->ops->start_poll)
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return hdev->ops->start_poll(hdev, protocols);
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return hdev->ops->start_poll(hdev, im_protocols, tm_protocols);
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else
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return nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
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NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
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@ -765,14 +765,16 @@ static int nfc_shdlc_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb)
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return 0;
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}
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static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev, u32 protocols)
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static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev,
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u32 im_protocols, u32 tm_protocols)
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{
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struct nfc_shdlc *shdlc = nfc_hci_get_clientdata(hdev);
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pr_debug("\n");
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if (shdlc->ops->start_poll)
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return shdlc->ops->start_poll(shdlc, protocols);
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return shdlc->ops->start_poll(shdlc,
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im_protocols, tm_protocols);
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return 0;
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}
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@ -387,7 +387,8 @@ static int nci_dev_down(struct nfc_dev *nfc_dev)
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return nci_close_device(ndev);
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}
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static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
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static int nci_start_poll(struct nfc_dev *nfc_dev,
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__u32 im_protocols, __u32 tm_protocols)
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{
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struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
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int rc;
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@ -413,11 +414,11 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
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return -EBUSY;
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}
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rc = nci_request(ndev, nci_rf_discover_req, protocols,
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rc = nci_request(ndev, nci_rf_discover_req, im_protocols,
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msecs_to_jiffies(NCI_RF_DISC_TIMEOUT));
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if (!rc)
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ndev->poll_prots = protocols;
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ndev->poll_prots = im_protocols;
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return rc;
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}
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@ -49,6 +49,8 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
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[NFC_ATTR_COMM_MODE] = { .type = NLA_U8 },
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[NFC_ATTR_RF_MODE] = { .type = NLA_U8 },
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[NFC_ATTR_DEVICE_POWERED] = { .type = NLA_U8 },
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[NFC_ATTR_IM_PROTOCOLS] = { .type = NLA_U32 },
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[NFC_ATTR_TM_PROTOCOLS] = { .type = NLA_U32 },
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};
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static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
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@ -519,16 +521,25 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
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struct nfc_dev *dev;
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int rc;
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u32 idx;
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u32 protocols;
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u32 im_protocols = 0, tm_protocols = 0;
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pr_debug("Poll start\n");
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if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
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!info->attrs[NFC_ATTR_PROTOCOLS])
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((!info->attrs[NFC_ATTR_IM_PROTOCOLS] &&
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!info->attrs[NFC_ATTR_PROTOCOLS]) &&
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!info->attrs[NFC_ATTR_TM_PROTOCOLS]))
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return -EINVAL;
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idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
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protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
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if (info->attrs[NFC_ATTR_TM_PROTOCOLS])
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tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_TM_PROTOCOLS]);
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else if (info->attrs[NFC_ATTR_PROTOCOLS])
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tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
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if (info->attrs[NFC_ATTR_IM_PROTOCOLS])
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im_protocols = nla_get_u32(info->attrs[NFC_ATTR_IM_PROTOCOLS]);
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dev = nfc_get_device(idx);
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if (!dev)
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@ -536,7 +547,7 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
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mutex_lock(&dev->genl_data.genl_data_mutex);
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rc = nfc_start_poll(dev, protocols);
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rc = nfc_start_poll(dev, im_protocols, tm_protocols);
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if (!rc)
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dev->genl_data.poll_req_pid = info->snd_pid;
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@ -158,7 +158,7 @@ int nfc_dev_up(struct nfc_dev *dev);
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int nfc_dev_down(struct nfc_dev *dev);
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int nfc_start_poll(struct nfc_dev *dev, u32 protocols);
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int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols);
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int nfc_stop_poll(struct nfc_dev *dev);
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