diff options
Diffstat (limited to 'drivers/dahdi/xpp/card_global.c')
| -rw-r--r-- | drivers/dahdi/xpp/card_global.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/dahdi/xpp/card_global.c b/drivers/dahdi/xpp/card_global.c index ff3b7e0..29c43f0 100644 --- a/drivers/dahdi/xpp/card_global.c +++ b/drivers/dahdi/xpp/card_global.c @@ -422,19 +422,37 @@ int xpp_register_request(xbus_t *xbus, xpd_t *xpd, xportno_t portno, return 0; } -/* 0x23 */ HOSTCMD(GLOBAL, RESET_SYNC_COUNTERS) +/* + * Wrapper for different types of xbus reset + */ +static int send_xbus_reset(xbus_t *xbus, uint8_t reset_mask) { xframe_t *xframe; xpacket_t *pack; BUG_ON(!xbus); - //XBUS_DBG(SYNC, xbus, "\n"); - XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, RESET_SYNC_COUNTERS, 0); - RPACKET_FIELD(pack, GLOBAL, RESET_SYNC_COUNTERS, mask) = 0x10; + XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, XBUS_RESET, 0); + RPACKET_FIELD(pack, GLOBAL, XBUS_RESET, mask) = reset_mask; send_cmd_frame(xbus, xframe); return 0; } +/* 0x23 */ HOSTCMD(GLOBAL, RESET_SPI) +{ + XBUS_DBG(DEVICES, xbus, "Sending SPI reset\n"); + /* toggle reset line */ + send_xbus_reset(xbus, 0x04); + send_xbus_reset(xbus, 0x00); + return 0; +} + + +/* 0x23 */ HOSTCMD(GLOBAL, RESET_SYNC_COUNTERS) +{ + //XBUS_DBG(SYNC, xbus, "\n"); + return send_xbus_reset(xbus, 0x10); +} + /*---------------- GLOBAL: Astribank Reply Handlers -----------------------*/ HANDLER_DEF(GLOBAL, NULL_REPLY) @@ -526,6 +544,7 @@ HANDLER_DEF(GLOBAL, AB_DESCRIPTION) /* 0x08 */ list_add_tail(&card_desc->card_list, &worker->card_list); spin_unlock_irqrestore(&worker->worker_lock, flags); } + CALL_PROTO(GLOBAL, RESET_SPI, xbus, NULL); if (!xbus_process_worker(xbus)) { ret = -ENODEV; goto out; |