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NFC: Allow HCI driver to pre-open pipes to some gates

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Some NFC chips will statically create and open pipes for both standard
and proprietary gates. The driver can now pass this information to HCI
such that HCI will not attempt to create and open them, but will instead
directly use the passed pipe ids.

Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Eric Lapuyade 2012-06-05 14:42:11 +02:00 • committed by John W. Linville
commit a10d595b10
5 changed files with 47 additions and 37 deletions
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31
drivers/nfc/pn544_hci.c
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@ -108,16 +108,22 @@ enum pn544_state {
#define PN544_NFC_WI_MGMT_GATE 0xA1
static u8 pn544_custom_gates[] = {
PN544_SYS_MGMT_GATE,
PN544_SWP_MGMT_GATE,
PN544_POLLING_LOOP_MGMT_GATE,
PN544_NFC_WI_MGMT_GATE,
PN544_RF_READER_F_GATE,
PN544_RF_READER_JEWEL_GATE,
PN544_RF_READER_ISO15693_GATE,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
PN544_RF_READER_NFCIP1_TARGET_GATE
static struct nfc_hci_gate pn544_gates[] = {
{NFC_HCI_ADMIN_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_LOOPBACK_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_ID_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_LINK_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_RF_READER_B_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_RF_READER_A_GATE, NFC_HCI_INVALID_PIPE},
{PN544_SYS_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{PN544_SWP_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{PN544_POLLING_LOOP_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{PN544_NFC_WI_MGMT_GATE, NFC_HCI_INVALID_PIPE},
{PN544_RF_READER_F_GATE, NFC_HCI_INVALID_PIPE},
{PN544_RF_READER_JEWEL_GATE, NFC_HCI_INVALID_PIPE},
{PN544_RF_READER_ISO15693_GATE, NFC_HCI_INVALID_PIPE},
{PN544_RF_READER_NFCIP1_INITIATOR_GATE, NFC_HCI_INVALID_PIPE},
{PN544_RF_READER_NFCIP1_TARGET_GATE, NFC_HCI_INVALID_PIPE}
};
/* Largest headroom needed for outgoing custom commands */
@ -849,10 +855,9 @@ static int __devinit pn544_hci_probe(struct i2c_client *client,
goto err_rti;
}
init_data.gate_count = ARRAY_SIZE(pn544_custom_gates);
init_data.gate_count = ARRAY_SIZE(pn544_gates);
memcpy(init_data.gates, pn544_custom_gates,
ARRAY_SIZE(pn544_custom_gates));
memcpy(init_data.gates, pn544_gates, sizeof(pn544_gates));
/*
* TODO: Session id must include the driver name + some bus addr