diff options
Diffstat (limited to 'drivers/nfc')
-rw-r--r-- | drivers/nfc/Kconfig | 2 | ||||
-rw-r--r-- | drivers/nfc/pn544_hci.c | 73 |
2 files changed, 38 insertions, 37 deletions
diff --git a/drivers/nfc/Kconfig b/drivers/nfc/Kconfig index 3b20b73ee649..89c57d1a7cad 100644 --- a/drivers/nfc/Kconfig +++ b/drivers/nfc/Kconfig @@ -19,7 +19,7 @@ config PN544_NFC config PN544_HCI_NFC tristate "HCI PN544 NFC driver" - depends on I2C && NFC_SHDLC + depends on I2C && NFC_HCI && NFC_SHDLC select CRC_CCITT default n ---help--- diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c index a176d1f7bbf3..e681da2e3413 100644 --- a/drivers/nfc/pn544_hci.c +++ b/drivers/nfc/pn544_hci.c @@ -29,7 +29,7 @@ #include <linux/nfc.h> #include <net/nfc/hci.h> -#include <net/nfc/shdlc.h> +#include <net/nfc/llc.h> #include <linux/nfc/pn544.h> @@ -133,7 +133,7 @@ static struct nfc_hci_gate pn544_gates[] = { struct pn544_hci_info { struct i2c_client *i2c_dev; - struct nfc_shdlc *shdlc; + struct nfc_hci_dev *hdev; enum pn544_state state; @@ -362,21 +362,21 @@ static irqreturn_t pn544_hci_irq_thread_fn(int irq, void *dev_id) if (r == -EREMOTEIO) { info->hard_fault = r; - nfc_shdlc_recv_frame(info->shdlc, NULL); + nfc_hci_recv_frame(info->hdev, NULL); return IRQ_HANDLED; } else if ((r == -ENOMEM) || (r == -EBADMSG)) { return IRQ_HANDLED; } - nfc_shdlc_recv_frame(info->shdlc, skb); + nfc_hci_recv_frame(info->hdev, skb); return IRQ_HANDLED; } -static int pn544_hci_open(struct nfc_shdlc *shdlc) +static int pn544_hci_open(struct nfc_hci_dev *hdev) { - struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc); + struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev); int r = 0; mutex_lock(&info->info_lock); @@ -396,9 +396,9 @@ out: return r; } -static void pn544_hci_close(struct nfc_shdlc *shdlc) +static void pn544_hci_close(struct nfc_hci_dev *hdev) { - struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc); + struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev); mutex_lock(&info->info_lock); @@ -413,9 +413,8 @@ out: mutex_unlock(&info->info_lock); } -static int pn544_hci_ready(struct nfc_shdlc *shdlc) +static int pn544_hci_ready(struct nfc_hci_dev *hdev) { - struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); struct sk_buff *skb; static struct hw_config { u8 adr[2]; @@ -601,9 +600,9 @@ static void pn544_hci_remove_len_crc(struct sk_buff *skb) skb_trim(skb, PN544_FRAME_TAILROOM); } -static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb) +static int pn544_hci_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb) { - struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc); + struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev); struct i2c_client *client = info->i2c_dev; int r; @@ -617,10 +616,9 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb) return r; } -static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, +static int pn544_hci_start_poll(struct nfc_hci_dev *hdev, u32 im_protocols, u32 tm_protocols) { - struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); u8 phases = 0; int r; u8 duration[2]; @@ -671,7 +669,7 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, return r; } -static int pn544_hci_target_from_gate(struct nfc_shdlc *shdlc, u8 gate, +static int pn544_hci_target_from_gate(struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target) { switch (gate) { @@ -689,11 +687,10 @@ static int pn544_hci_target_from_gate(struct nfc_shdlc *shdlc, u8 gate, return 0; } -static int pn544_hci_complete_target_discovered(struct nfc_shdlc *shdlc, +static int pn544_hci_complete_target_discovered(struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target) { - struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); struct sk_buff *uid_skb; int r = 0; @@ -765,13 +762,12 @@ static void pn544_hci_data_exchange_cb(void *context, struct sk_buff *skb, * <= 0: driver handled the data exchange * 1: driver doesn't especially handle, please do standard processing */ -static int pn544_hci_data_exchange(struct nfc_shdlc *shdlc, +static int pn544_hci_data_exchange(struct nfc_hci_dev *hdev, struct nfc_target *target, struct sk_buff *skb, data_exchange_cb_t cb, void *cb_context) { - struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc); - struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); + struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev); pr_info(DRIVER_DESC ": %s for gate=%d\n", __func__, target->hci_reader_gate); @@ -824,17 +820,15 @@ static int pn544_hci_data_exchange(struct nfc_shdlc *shdlc, } } -static int pn544_hci_check_presence(struct nfc_shdlc *shdlc, +static int pn544_hci_check_presence(struct nfc_hci_dev *hdev, struct nfc_target *target) { - struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); - return nfc_hci_send_cmd(hdev, target->hci_reader_gate, PN544_RF_READER_CMD_PRESENCE_CHECK, NULL, 0, NULL); } -static struct nfc_shdlc_ops pn544_shdlc_ops = { +static struct nfc_hci_ops pn544_hci_ops = { .open = pn544_hci_open, .close = pn544_hci_close, .hci_ready = pn544_hci_ready, @@ -926,23 +920,30 @@ static int __devinit pn544_hci_probe(struct i2c_client *client, NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_NFC_DEP_MASK; - info->shdlc = nfc_shdlc_allocate(&pn544_shdlc_ops, - &init_data, protocols, - PN544_FRAME_HEADROOM + PN544_CMDS_HEADROOM, - PN544_FRAME_TAILROOM, - PN544_HCI_LLC_MAX_PAYLOAD, - dev_name(&client->dev)); - if (!info->shdlc) { - dev_err(&client->dev, "Cannot allocate nfc shdlc.\n"); + info->hdev = nfc_hci_allocate_device(&pn544_hci_ops, &init_data, + protocols, LLC_SHDLC_NAME, + PN544_FRAME_HEADROOM + + PN544_CMDS_HEADROOM, + PN544_FRAME_TAILROOM, + PN544_HCI_LLC_MAX_PAYLOAD); + if (!info->hdev) { + dev_err(&client->dev, "Cannot allocate nfc hdev.\n"); r = -ENOMEM; - goto err_allocshdlc; + goto err_alloc_hdev; } - nfc_shdlc_set_clientdata(info->shdlc, info); + nfc_hci_set_clientdata(info->hdev, info); + + r = nfc_hci_register_device(info->hdev); + if (r) + goto err_regdev; return 0; -err_allocshdlc: +err_regdev: + nfc_hci_free_device(info->hdev); + +err_alloc_hdev: free_irq(client->irq, info); err_rti: @@ -963,7 +964,7 @@ static __devexit int pn544_hci_remove(struct i2c_client *client) dev_dbg(&client->dev, "%s\n", __func__); - nfc_shdlc_free(info->shdlc); + nfc_hci_free_device(info->hdev); if (info->state != PN544_ST_COLD) { if (pdata->disable) |