diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_sdio.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_sdio.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index 2f4bc25d93ca..e9a2af0a1a80 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -923,6 +923,70 @@ static int rsi_sdio_reinit_device(struct rsi_hw *adapter) return 0; } +static int rsi_sdio_ta_reset(struct rsi_hw *adapter) +{ + int status; + u32 addr; + u8 *data; + + status = rsi_sdio_master_access_msword(adapter, TA_BASE_ADDR); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "Unable to set ms word to common reg\n"); + return status; + } + + rsi_dbg(INIT_ZONE, "%s: Bring TA out of reset\n", __func__); + put_unaligned_le32(TA_HOLD_THREAD_VALUE, data); + addr = TA_HOLD_THREAD_REG | RSI_SD_REQUEST_MASTER; + status = rsi_sdio_write_register_multiple(adapter, addr, + (u8 *)&data, + RSI_9116_REG_SIZE); + if (status < 0) { + rsi_dbg(ERR_ZONE, "Unable to hold TA threads\n"); + return status; + } + + put_unaligned_le32(TA_SOFT_RST_CLR, data); + addr = TA_SOFT_RESET_REG | RSI_SD_REQUEST_MASTER; + status = rsi_sdio_write_register_multiple(adapter, addr, + (u8 *)&data, + RSI_9116_REG_SIZE); + if (status < 0) { + rsi_dbg(ERR_ZONE, "Unable to get TA out of reset\n"); + return status; + } + + put_unaligned_le32(TA_PC_ZERO, data); + addr = TA_TH0_PC_REG | RSI_SD_REQUEST_MASTER; + status = rsi_sdio_write_register_multiple(adapter, addr, + (u8 *)&data, + RSI_9116_REG_SIZE); + if (status < 0) { + rsi_dbg(ERR_ZONE, "Unable to Reset TA PC value\n"); + return -EINVAL; + } + + put_unaligned_le32(TA_RELEASE_THREAD_VALUE, data); + addr = TA_RELEASE_THREAD_REG | RSI_SD_REQUEST_MASTER; + status = rsi_sdio_write_register_multiple(adapter, addr, + (u8 *)&data, + RSI_9116_REG_SIZE); + if (status < 0) { + rsi_dbg(ERR_ZONE, "Unable to release TA threads\n"); + return status; + } + + status = rsi_sdio_master_access_msword(adapter, MISC_CFG_BASE_ADDR); + if (status < 0) { + rsi_dbg(ERR_ZONE, "Unable to set ms word to common reg\n"); + return status; + } + rsi_dbg(INIT_ZONE, "***** TA Reset done *****\n"); + + return 0; +} + static struct rsi_host_intf_ops sdio_host_intf_ops = { .write_pkt = rsi_sdio_host_intf_write_pkt, .read_pkt = rsi_sdio_host_intf_read_pkt, @@ -933,6 +997,7 @@ static struct rsi_host_intf_ops sdio_host_intf_ops = { .master_reg_write = rsi_sdio_master_reg_write, .load_data_master_write = rsi_sdio_load_data_master_write, .reinit_device = rsi_sdio_reinit_device, + .ta_reset = rsi_sdio_ta_reset, }; /** |