diff options
| author | Samuel Ortiz <sameo@linux.intel.com> | 2012-05-30 03:48:46 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-06-04 23:34:32 +0400 |
| commit | 51d9e803b906ea8ef995980d5367ab66ff79305a (patch) | |
| tree | ba43cb0d22074d89b825d31fb88afd1966ee8dcc /drivers | |
| parent | d7f3345d3af568394080890ca3136c4ea1021cba (diff) | |
| download | linux-51d9e803b906ea8ef995980d5367ab66ff79305a.tar.xz | |
NFC: Add type A and type F parameters for pn533 target mode
Without those settings several devices will not activate pn533 as a target.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nfc/pn533.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 806ab3da6414..6e4b228c7e6f 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1126,6 +1126,13 @@ static int pn533_init_target_frame(struct pn533_frame *frame, { struct pn533_cmd_init_target *cmd; size_t cmd_len; + u8 felica_params[18] = {0x1, 0xfe, /* DEP */ + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* random */ + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0xff, 0xff}; /* System code */ + u8 mifare_params[6] = {0x1, 0x1, /* SENS_RES */ + 0x0, 0x0, 0x0, + 0x40}; /* SEL_RES for DEP */ cmd_len = sizeof(struct pn533_cmd_init_target) + gb_len + 1; cmd = kzalloc(cmd_len, GFP_KERNEL); @@ -1136,17 +1143,33 @@ static int pn533_init_target_frame(struct pn533_frame *frame, /* DEP support only */ cmd->mode |= PN533_INIT_TARGET_DEP; - get_random_bytes(cmd->nfcid3, 10); + + /* Felica params */ + memcpy(cmd->felica, felica_params, 18); + get_random_bytes(cmd->felica + 2, 6); + + /* NFCID3 */ + memset(cmd->nfcid3, 0, 10); + memcpy(cmd->nfcid3, cmd->felica, 8); + + /* MIFARE params */ + memcpy(cmd->mifare, mifare_params, 6); + + /* General bytes */ cmd->gb_len = gb_len; memcpy(cmd->gb, gb, gb_len); + /* Len Tk */ cmd->gb[gb_len] = 0; memcpy(PN533_FRAME_CMD_PARAMS_PTR(frame), cmd, cmd_len); + frame->datalen += cmd_len; pn533_tx_frame_finish(frame); + kfree(cmd); + return 0; } |