diff options
Diffstat (limited to 'drivers/net/wireless/sd8797/mlan/mlan_sdio.c')
| -rw-r--r-- | drivers/net/wireless/sd8797/mlan/mlan_sdio.c | 1661 |
1 files changed, 1661 insertions, 0 deletions
diff --git a/drivers/net/wireless/sd8797/mlan/mlan_sdio.c b/drivers/net/wireless/sd8797/mlan/mlan_sdio.c new file mode 100644 index 000000000000..02e73477b619 --- /dev/null +++ b/drivers/net/wireless/sd8797/mlan/mlan_sdio.c @@ -0,0 +1,1661 @@ +/** @file mlan_sdio.c + * + * @brief This file contains SDIO specific code + * + * Copyright (C) 2008-2011, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License"). You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED. The License provides additional details about + * this warranty disclaimer. + */ + +/******************************************************** +Change log: + 10/27/2008: initial version +********************************************************/ + +#include "mlan.h" +#ifdef STA_SUPPORT +#include "mlan_join.h" +#endif +#include "mlan_util.h" +#include "mlan_fw.h" +#include "mlan_main.h" +#include "mlan_init.h" +#include "mlan_wmm.h" +#include "mlan_11n.h" +#include "mlan_sdio.h" + +/******************************************************** + Local Variables +********************************************************/ + +/******************************************************** + Global Variables +********************************************************/ + +/******************************************************** + Local Functions +********************************************************/ + +/** + * @brief This function initialize the SDIO port + * + * @param pmadapter A pointer to mlan_adapter structure + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_init_ioport(mlan_adapter * pmadapter) +{ + t_u32 reg; + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + pmadapter->ioport = 0; + + /* Read the IO port */ + if (MLAN_STATUS_SUCCESS == + pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_0_REG, ®)) + pmadapter->ioport |= (reg & 0xff); + else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + if (MLAN_STATUS_SUCCESS == + pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_1_REG, ®)) + pmadapter->ioport |= ((reg & 0xff) << 8); + else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + if (MLAN_STATUS_SUCCESS == + pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_2_REG, ®)) + pmadapter->ioport |= ((reg & 0xff) << 16); + else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + PRINTM(MINFO, "SDIO FUNC1 IO port: 0x%x\n", pmadapter->ioport); + + /* Set Host interrupt reset to read to clear */ + if (MLAN_STATUS_SUCCESS == + pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INT_RSR_REG, ®)) { + pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_RSR_REG, + reg | HOST_INT_RSR_MASK); + } else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + /* Dnld/Upld ready set to auto reset */ + if (MLAN_STATUS_SUCCESS == + pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_MISC_CFG_REG, ®)) { + pcb->moal_write_reg(pmadapter->pmoal_handle, CARD_MISC_CFG_REG, + reg | AUTO_RE_ENABLE_INT); + } else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function sends data to the card. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pmbuf A pointer to mlan_buffer (pmbuf->data_len should include SDIO header) + * @param port Port + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_write_data_sync(mlan_adapter * pmadapter, mlan_buffer * pmbuf, t_u32 port) +{ + t_u32 i = 0; + pmlan_callbacks pcb = &pmadapter->callbacks; + mlan_status ret = MLAN_STATUS_SUCCESS; + + ENTER(); + + do { + ret = + pcb->moal_write_data_sync(pmadapter->pmoal_handle, pmbuf, port, 0); + if (ret != MLAN_STATUS_SUCCESS) { + i++; + PRINTM(MERROR, "host_to_card, write iomem (%d) failed: %d\n", i, + ret); + if (MLAN_STATUS_SUCCESS != + pcb->moal_write_reg(pmadapter->pmoal_handle, + HOST_TO_CARD_EVENT_REG, 0x04)) { + PRINTM(MERROR, "write CFG reg failed\n"); + } + ret = MLAN_STATUS_FAILURE; + if (i > MAX_WRITE_IOMEM_RETRY) { + pmbuf->status_code = MLAN_ERROR_DATA_TX_FAIL; + goto exit; + } + } + } while (ret == MLAN_STATUS_FAILURE); + exit: + LEAVE(); + return ret; +} + +/** + * @brief This function gets available SDIO port for reading cmd/data + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pport A pointer to port number + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_get_rd_port(mlan_adapter * pmadapter, t_u8 * pport) +{ + t_u32 rd_bitmap = pmadapter->mp_rd_bitmap; + + ENTER(); + + PRINTM(MIF_D, "wlan_get_rd_port: mp_rd_bitmap=0x%08x\n", rd_bitmap); + + if (!(rd_bitmap & (CTRL_PORT_MASK | DATA_PORT_MASK))) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + if (pmadapter->mp_rd_bitmap & CTRL_PORT_MASK) { + pmadapter->mp_rd_bitmap &= (t_u32) (~CTRL_PORT_MASK); + *pport = CTRL_PORT; + PRINTM(MIF_D, "wlan_get_rd_port: port=%d mp_rd_bitmap=0x%08x\n", *pport, + pmadapter->mp_rd_bitmap); + } else { + if (pmadapter->mp_rd_bitmap & (1 << pmadapter->curr_rd_port)) { + pmadapter->mp_rd_bitmap &= + (t_u32) (~(1 << pmadapter->curr_rd_port)); + *pport = pmadapter->curr_rd_port; + + /* hw rx wraps round only after port (MAX_PORT-1) */ + if (++pmadapter->curr_rd_port == MAX_PORT) + /* port 0 is reserved for cmd port */ + pmadapter->curr_rd_port = 1; + } else { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + PRINTM(MIF_D, "port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n", + *pport, rd_bitmap, pmadapter->mp_rd_bitmap); + } + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function gets available SDIO port for writing data + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pport A pointer to port number + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_get_wr_port_data(mlan_adapter * pmadapter, t_u8 * pport) +{ + t_u32 wr_bitmap = pmadapter->mp_wr_bitmap; + + ENTER(); + + PRINTM(MIF_D, "wlan_get_wr_port_data: mp_wr_bitmap=0x%08x\n", wr_bitmap); + + if (!(wr_bitmap & pmadapter->mp_data_port_mask)) { + pmadapter->data_sent = MTRUE; + LEAVE(); + return MLAN_STATUS_RESOURCE; + } + + if (pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port)) { + pmadapter->mp_wr_bitmap &= (t_u32) (~(1 << pmadapter->curr_wr_port)); + *pport = pmadapter->curr_wr_port; + if (++pmadapter->curr_wr_port == pmadapter->mp_end_port) + pmadapter->curr_wr_port = 1; + } else { + pmadapter->data_sent = MTRUE; + LEAVE(); + return MLAN_STATUS_RESOURCE; + } + + if (*pport == CTRL_PORT) { + PRINTM(MERROR, + "Invalid data port=%d cur port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", + *pport, pmadapter->curr_wr_port, wr_bitmap, + pmadapter->mp_wr_bitmap); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + PRINTM(MIF_D, "port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", + *pport, wr_bitmap, pmadapter->mp_wr_bitmap); + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function polls the card status register. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param bits the bit mask + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_poll_card_status(mlan_adapter * pmadapter, t_u8 bits) +{ + pmlan_callbacks pcb = &pmadapter->callbacks; + t_u32 tries; + t_u32 cs = 0; + + ENTER(); + + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + if (pcb-> + moal_read_reg(pmadapter->pmoal_handle, CARD_TO_HOST_EVENT_REG, + &cs) != MLAN_STATUS_SUCCESS) + break; + else if ((cs & bits) == bits) { + LEAVE(); + return MLAN_STATUS_SUCCESS; + } + wlan_udelay(pmadapter, 10); + } + + PRINTM(MERROR, "wlan_sdio_poll_card_status failed, tries = %d, cs = 0x%x\n", + tries, cs); + LEAVE(); + return MLAN_STATUS_FAILURE; +} + +/** + * @brief This function reads firmware status registers + * + * @param pmadapter A pointer to mlan_adapter structure + * @param dat A pointer to keep returned data + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_read_fw_status(mlan_adapter * pmadapter, t_u16 * dat) +{ + pmlan_callbacks pcb = &pmadapter->callbacks; + t_u32 fws0 = 0, fws1 = 0; + + ENTER(); + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS0_REG, + &fws0)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS1_REG, + &fws1)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + *dat = (t_u16) ((fws1 << 8) | fws0); + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** @brief This function disables the host interrupts mask. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param mask the interrupt mask + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_disable_host_int_mask(pmlan_adapter pmadapter, t_u8 mask) +{ + t_u32 host_int_mask = 0; + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + + /* Read back the host_int_mask register */ + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG, + &host_int_mask)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + /* Update with the mask and write back to the register */ + host_int_mask &= ~mask; + + if (MLAN_STATUS_SUCCESS != + pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG, + host_int_mask)) { + PRINTM(MWARN, "Disable host interrupt failed\n"); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function enables the host interrupts mask + * + * @param pmadapter A pointer to mlan_adapter structure + * @param mask the interrupt mask + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_enable_host_int_mask(pmlan_adapter pmadapter, t_u8 mask) +{ + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + + /* Simply write the mask to the register */ + if (MLAN_STATUS_SUCCESS != + pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG, mask)) { + PRINTM(MWARN, "Enable host interrupt failed\n"); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function reads data from the card. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param type A pointer to keep type as data or command + * @param nb A pointer to keep the data/cmd length returned in buffer + * @param pmbuf A pointer to the SDIO data/cmd buffer + * @param npayload the length of data/cmd buffer + * @param ioport the SDIO ioport + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_card_to_host(mlan_adapter * pmadapter, + t_u32 * type, t_u32 * nb, pmlan_buffer pmbuf, + t_u32 npayload, t_u32 ioport) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + + if (!pmbuf) { + PRINTM(MWARN, "pmbuf is NULL!\n"); + ret = MLAN_STATUS_FAILURE; + goto exit; + } + + ret = pcb->moal_read_data_sync(pmadapter->pmoal_handle, pmbuf, ioport, 0); + + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, "card_to_host, read iomem failed: %d\n", ret); + pmbuf->status_code = MLAN_ERROR_DATA_RX_FAIL; + ret = MLAN_STATUS_FAILURE; + goto exit; + } + *nb = wlan_le16_to_cpu(*(t_u16 *) (pmbuf->pbuf + pmbuf->data_offset)); + if (*nb > npayload) { + PRINTM(MERROR, "invalid packet, *nb=%d, npayload=%d\n", *nb, npayload); + pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID; + ret = MLAN_STATUS_FAILURE; + goto exit; + } + + DBG_HEXDUMP(MIF_D, "SDIO Blk Rd", pmbuf->pbuf + pmbuf->data_offset, + MIN(*nb, MAX_DATA_DUMP_LEN)); + + *type = wlan_le16_to_cpu(*(t_u16 *) (pmbuf->pbuf + pmbuf->data_offset + 2)); + + exit: + LEAVE(); + return ret; +} + +/** + * @brief This function downloads FW blocks to device + * + * @param pmadapter A pointer to mlan_adapter + * @param pmfw A pointer to firmware image + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_prog_fw_w_helper(IN pmlan_adapter pmadapter, IN pmlan_fw_image pmfw) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_callbacks pcb = &pmadapter->callbacks; + t_u8 *firmware = pmfw->pfw_buf; + t_u32 firmwarelen = pmfw->fw_len; + t_u32 offset = 0; + t_u32 base0, base1; + t_void *tmpfwbuf = MNULL; + t_u32 tmpfwbufsz; + t_u8 *fwbuf; + mlan_buffer mbuf; + t_u16 len = 0; + t_u32 txlen = 0, tx_blocks = 0, tries = 0; + t_u32 i = 0; + + ENTER(); + + if (!firmware && !pcb->moal_get_fw_data) { + PRINTM(MMSG, "No firmware image found! Terminating download\n"); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + PRINTM(MINFO, "WLAN: Downloading FW image (%d bytes)\n", firmwarelen); + + tmpfwbufsz = ALIGN_SZ(WLAN_UPLD_SIZE, DMA_ALIGNMENT); + ret = + pcb->moal_malloc(pmadapter->pmoal_handle, tmpfwbufsz, + MLAN_MEM_DEF | MLAN_MEM_DMA, (t_u8 **) & tmpfwbuf); + if ((ret != MLAN_STATUS_SUCCESS) || !tmpfwbuf) { + PRINTM(MERROR, + "Unable to allocate buffer for firmware. Terminating download\n"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + memset(pmadapter, tmpfwbuf, 0, tmpfwbufsz); + /* Ensure 8-byte aligned firmware buffer */ + fwbuf = (t_u8 *) ALIGN_ADDR(tmpfwbuf, DMA_ALIGNMENT); + + /* Perform firmware data transfer */ + do { + /* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY bits */ + ret = + wlan_sdio_poll_card_status(pmadapter, + CARD_IO_READY | DN_LD_CARD_RDY); + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MFATAL, + "WLAN: FW download with helper poll status timeout @ %d\n", + offset); + goto done; + } + + /* More data? */ + if (firmwarelen && offset >= firmwarelen) + break; + + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + if ((ret = pcb->moal_read_reg(pmadapter->pmoal_handle, + READ_BASE_0_REG, + &base0)) != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, + "Dev BASE0 register read failed:" + " base0=0x%04X(%d). Terminating download\n", base0, + base0); + goto done; + } + if ((ret = pcb->moal_read_reg(pmadapter->pmoal_handle, + READ_BASE_1_REG, + &base1)) != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, + "Dev BASE1 register read failed:" + " base1=0x%04X(%d). Terminating download\n", base1, + base1); + goto done; + } + len = (t_u16) (((base1 & 0xff) << 8) | (base0 & 0xff)); + + if (len) + break; + wlan_udelay(pmadapter, 10); + } + + if (!len) + break; + else if (len > WLAN_UPLD_SIZE) { + PRINTM(MFATAL, + "WLAN: FW download failure @ %d, invalid length %d\n", + offset, len); + ret = MLAN_STATUS_FAILURE; + goto done; + } + + txlen = len; + + if (len & MBIT(0)) { + i++; + if (i > MAX_WRITE_IOMEM_RETRY) { + PRINTM(MFATAL, + "WLAN: FW download failure @ %d, over max retry count\n", + offset); + ret = MLAN_STATUS_FAILURE; + goto done; + } + PRINTM(MERROR, "WLAN: FW CRC error indicated by the helper:" + " len = 0x%04X, txlen = %d\n", len, txlen); + len &= ~MBIT(0); + + PRINTM(MERROR, "WLAN: retry: %d, offset %d\n", i, offset); + DBG_HEXDUMP(MERROR, "WLAN: FW block:", mbuf.pbuf, len); + + /* Setting this to 0 to resend from same offset */ + txlen = 0; + } else { + i = 0; + + /* Set blocksize to transfer - checking for last block */ + if (firmwarelen && firmwarelen - offset < txlen) { + txlen = firmwarelen - offset; + } + PRINTM(MINFO, "."); + + tx_blocks = + (txlen + MLAN_SDIO_BLOCK_SIZE_FW_DNLD - + 1) / MLAN_SDIO_BLOCK_SIZE_FW_DNLD; + + /* Copy payload to buffer */ + if (firmware) + memmove(pmadapter, fwbuf, &firmware[offset], txlen); + else + pcb->moal_get_fw_data(pmadapter->pmoal_handle, offset, txlen, + fwbuf); + } + + /* Send data */ + memset(pmadapter, &mbuf, 0, sizeof(mlan_buffer)); + mbuf.pbuf = (t_u8 *) fwbuf; + mbuf.data_len = tx_blocks * MLAN_SDIO_BLOCK_SIZE_FW_DNLD; + + ret = + pcb->moal_write_data_sync(pmadapter->pmoal_handle, &mbuf, + pmadapter->ioport, 0); + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, "WLAN: FW download, write iomem (%d) failed @ %d\n", + i, offset); + if (pcb-> + moal_write_reg(pmadapter->pmoal_handle, HOST_TO_CARD_EVENT_REG, + 0x04) != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, "write CFG reg failed\n"); + } + ret = MLAN_STATUS_FAILURE; + goto done; + } + + offset += txlen; + } while (MTRUE); + + PRINTM(MINFO, "\nFW download over, size %d bytes\n", offset); + + ret = MLAN_STATUS_SUCCESS; + done: + if (tmpfwbuf) + pcb->moal_mfree(pmadapter->pmoal_handle, (t_u8 *) tmpfwbuf); + + LEAVE(); + return ret; +} + +/** + * @brief This function disables the host interrupts. + * + * @param pmadapter A pointer to mlan_adapter structure + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_disable_host_int(pmlan_adapter pmadapter) +{ + mlan_status ret; + + ENTER(); + ret = wlan_sdio_disable_host_int_mask(pmadapter, HIM_DISABLE); + LEAVE(); + return ret; +} + +/** + * @brief This function decodes the rx packet & + * calls corresponding handlers according to the packet type + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pmbuf A pointer to the SDIO data/cmd buffer + * @param upld_typ Type of rx packet + * @return MLAN_STATUS_SUCCESS + */ +static mlan_status +wlan_decode_rx_packet(mlan_adapter * pmadapter, mlan_buffer * pmbuf, + t_u32 upld_typ) +{ + t_u8 *cmdBuf; + t_u32 event; + + ENTER(); + + switch (upld_typ) { + case MLAN_TYPE_DATA: + PRINTM(MINFO, "--- Rx: Data packet ---\n"); + pmbuf->data_len = (pmadapter->upld_len - INTF_HEADER_LEN); + pmbuf->data_offset += INTF_HEADER_LEN; + wlan_handle_rx_packet(pmadapter, pmbuf); + pmadapter->data_received = MTRUE; + break; + + case MLAN_TYPE_CMD: + PRINTM(MINFO, "--- Rx: Cmd Response ---\n"); + /* take care of curr_cmd = NULL case */ + if (!pmadapter->curr_cmd) { + cmdBuf = pmadapter->upld_buf; + if (pmadapter->ps_state == PS_STATE_SLEEP_CFM) { + wlan_process_sleep_confirm_resp(pmadapter, + pmbuf->pbuf + + pmbuf->data_offset + + INTF_HEADER_LEN, + pmadapter->upld_len - + INTF_HEADER_LEN); + } + pmadapter->upld_len -= INTF_HEADER_LEN; + memcpy(pmadapter, cmdBuf, + pmbuf->pbuf + pmbuf->data_offset + INTF_HEADER_LEN, + MIN(MRVDRV_SIZE_OF_CMD_BUFFER, + pmadapter->upld_len - INTF_HEADER_LEN)); + wlan_free_mlan_buffer(pmadapter, pmbuf); + } else { + pmadapter->cmd_resp_received = MTRUE; + pmadapter->upld_len -= INTF_HEADER_LEN; + pmbuf->data_len = pmadapter->upld_len; + pmbuf->data_offset += INTF_HEADER_LEN; + pmadapter->curr_cmd->respbuf = pmbuf; + } + break; + + case MLAN_TYPE_EVENT: + PRINTM(MINFO, "--- Rx: Event ---\n"); + event = *(t_u32 *) & pmbuf->pbuf[pmbuf->data_offset + INTF_HEADER_LEN]; + pmadapter->event_cause = wlan_le32_to_cpu(event); + if ((pmadapter->upld_len > MLAN_EVENT_HEADER_LEN) && + ((pmadapter->upld_len - MLAN_EVENT_HEADER_LEN) < MAX_EVENT_SIZE)) { + memcpy(pmadapter, pmadapter->event_body, + pmbuf->pbuf + pmbuf->data_offset + MLAN_EVENT_HEADER_LEN, + pmadapter->upld_len - MLAN_EVENT_HEADER_LEN); + } + + /* event cause has been saved to adapter->event_cause */ + pmadapter->event_received = MTRUE; + pmbuf->data_len = pmadapter->upld_len; + pmadapter->pmlan_buffer_event = pmbuf; + + /* remove SDIO header */ + pmbuf->data_offset += INTF_HEADER_LEN; + pmbuf->data_len -= INTF_HEADER_LEN; + break; + + default: + PRINTM(MERROR, "SDIO unknown upload type = 0x%x\n", upld_typ); + wlan_free_mlan_buffer(pmadapter, pmbuf); + break; + } + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +#ifdef SDIO_MULTI_PORT_RX_AGGR +/** + * @brief This function receives data from the card in aggregate mode. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pmbuf A pointer to the SDIO data/cmd buffer + * @param port Current port on which packet needs to be rxed + * @param rx_len Length of received packet + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_sdio_card_to_host_mp_aggr(mlan_adapter * pmadapter, mlan_buffer + * pmbuf, t_u8 port, t_u16 rx_len) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_callbacks pcb = &pmadapter->callbacks; + t_s32 f_do_rx_aggr = 0; + t_s32 f_do_rx_cur = 0; + t_s32 f_aggr_cur = 0; + mlan_buffer mbuf_aggr; + mlan_buffer *mbuf_deaggr; + t_u32 pind = 0; + t_u32 pkt_len, pkt_type = 0; + t_u8 *curr_ptr; + t_u32 cmd53_port = 0; + + ENTER(); + + if (port == CTRL_PORT) { + /* Read the command response or event without aggr */ + PRINTM(MINFO, "card_2_host_mp_aggr: No aggr for control port\n"); + + f_do_rx_cur = 1; + goto rx_curr_single; + } + + if (!pmadapter->mpa_rx.enabled) { + PRINTM(MINFO, "card_2_host_mp_aggr: rx aggregation disabled !\n"); + + f_do_rx_cur = 1; + goto rx_curr_single; + } + + if (pmadapter->mp_rd_bitmap & (~((t_u32) CTRL_PORT_MASK))) { + /* Some more data RX pending */ + PRINTM(MINFO, "card_2_host_mp_aggr: Not last packet\n"); + + if (MP_RX_AGGR_IN_PROGRESS(pmadapter)) { + if (MP_RX_AGGR_BUF_HAS_ROOM(pmadapter, rx_len)) { + f_aggr_cur = 1; + } else { + /* No room in Aggr buf, do rx aggr now */ + f_do_rx_aggr = 1; + f_do_rx_cur = 1; + } + } else { + /* Rx aggr not in progress */ + f_aggr_cur = 1; + } + + } else { + /* No more data RX pending */ + PRINTM(MINFO, "card_2_host_mp_aggr: Last packet\n"); + + if (MP_RX_AGGR_IN_PROGRESS(pmadapter)) { + f_do_rx_aggr = 1; + if (MP_RX_AGGR_BUF_HAS_ROOM(pmadapter, rx_len)) { + f_aggr_cur = 1; + } else { + /* No room in Aggr buf, do rx aggr now */ + f_do_rx_cur = 1; + } + } else { + f_do_rx_cur = 1; + } + + } + + if (f_aggr_cur) { + PRINTM(MINFO, "Current packet aggregation.\n"); + /* Curr pkt can be aggregated */ + MP_RX_AGGR_SETUP(pmadapter, pmbuf, port, rx_len); + + if (MP_RX_AGGR_PKT_LIMIT_REACHED(pmadapter) || + MP_RX_AGGR_PORT_LIMIT_REACHED(pmadapter)) { + PRINTM(MINFO, + "card_2_host_mp_aggr: Aggregation Packet limit reached\n"); + /* No more pkts allowed in Aggr buf, rx it */ + f_do_rx_aggr = 1; + } + } + + if (f_do_rx_aggr) { + /* do aggr RX now */ + PRINTM(MINFO, "do_rx_aggr: num of packets: %d\n", + pmadapter->mpa_rx.pkt_cnt); + + memset(pmadapter, &mbuf_aggr, 0, sizeof(mlan_buffer)); + + mbuf_aggr.pbuf = (t_u8 *) pmadapter->mpa_rx.buf; + mbuf_aggr.data_len = pmadapter->mpa_rx.buf_len; + cmd53_port = (pmadapter->ioport | SDIO_MPA_ADDR_BASE | + (pmadapter->mpa_rx.ports << 4)) + + pmadapter->mpa_rx.start_port; + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_data_sync(pmadapter->pmoal_handle, &mbuf_aggr, + cmd53_port, 0)) { + pmbuf->status_code = MLAN_ERROR_DATA_RX_FAIL; + ret = MLAN_STATUS_FAILURE; + goto done; + } + + DBG_HEXDUMP(MIF_D, "SDIO MP-A Blk Rd", pmadapter->mpa_rx.buf, + MIN(pmadapter->mpa_rx.buf_len, MAX_DATA_DUMP_LEN)); + + curr_ptr = pmadapter->mpa_rx.buf; + + for (pind = 0; pind < pmadapter->mpa_rx.pkt_cnt; pind++) { + + /* get curr PKT len & type */ + pkt_len = wlan_le16_to_cpu(*(t_u16 *) & curr_ptr[0]); + pkt_type = wlan_le16_to_cpu(*(t_u16 *) & curr_ptr[2]); + + PRINTM(MINFO, "RX: [%d] pktlen: %d pkt_type: 0x%x\n", pind, + pkt_len, pkt_type); + + /* copy pkt to deaggr buf */ + mbuf_deaggr = pmadapter->mpa_rx.mbuf_arr[pind]; + if ((pkt_type == MLAN_TYPE_DATA) && + (pkt_len <= pmadapter->mpa_rx.len_arr[pind])) { + memcpy(pmadapter, mbuf_deaggr->pbuf + mbuf_deaggr->data_offset, + curr_ptr, pkt_len); + pmadapter->upld_len = pkt_len; + /* Process de-aggr packet */ + wlan_decode_rx_packet(pmadapter, mbuf_deaggr, pkt_type); + } else { + PRINTM(MERROR, + "Wrong aggr packet: type=%d, len=%d, max_len=%d\n", + pkt_type, pkt_len, pmadapter->mpa_rx.len_arr[pind]); + wlan_free_mlan_buffer(pmadapter, mbuf_deaggr); + } + curr_ptr += pmadapter->mpa_rx.len_arr[pind]; + } + MP_RX_AGGR_BUF_RESET(pmadapter); + } + + rx_curr_single: + if (f_do_rx_cur) { + PRINTM(MINFO, "RX: f_do_rx_cur: port: %d rx_len: %d\n", port, rx_len); + + if (MLAN_STATUS_SUCCESS != wlan_sdio_card_to_host(pmadapter, &pkt_type, + (t_u32 *) & + pmadapter->upld_len, + pmbuf, rx_len, + pmadapter->ioport + + port)) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + if ((port == CTRL_PORT) && ((pkt_type != MLAN_TYPE_EVENT) && + (pkt_type != MLAN_TYPE_CMD))) { + PRINTM(MERROR, "Wrong pkt from CTRL PORT: type=%d, len=%dd\n", + pkt_type, pmbuf->data_len); + pmbuf->status_code = MLAN_ERROR_DATA_RX_FAIL; + ret = MLAN_STATUS_FAILURE; + goto done; + } + wlan_decode_rx_packet(pmadapter, pmbuf, pkt_type); + } + + done: + if (ret == MLAN_STATUS_FAILURE) { + if (MP_RX_AGGR_IN_PROGRESS(pmadapter)) { + /* MP-A transfer failed - cleanup */ + for (pind = 0; pind < pmadapter->mpa_rx.pkt_cnt; pind++) { + wlan_free_mlan_buffer(pmadapter, + pmadapter->mpa_rx.mbuf_arr[pind]); + } + MP_RX_AGGR_BUF_RESET(pmadapter); + } + + if (f_do_rx_cur) { + /* Single Transfer pending */ + /* Free curr buff also */ + wlan_free_mlan_buffer(pmadapter, pmbuf); + } + } + + LEAVE(); + return ret; + +} +#endif + +#ifdef SDIO_MULTI_PORT_TX_AGGR +/** + * @brief This function sends data to the card in SDIO aggregated mode. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param mbuf A pointer to the SDIO data/cmd buffer + * @param port current port for aggregation + * @param next_pkt_len Length of next packet used for multiport aggregation + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +wlan_host_to_card_mp_aggr(mlan_adapter * pmadapter, mlan_buffer * mbuf, + t_u8 port, t_u32 next_pkt_len) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + t_s32 f_send_aggr_buf = 0; + t_s32 f_send_cur_buf = 0; + t_s32 f_precopy_cur_buf = 0; + t_s32 f_postcopy_cur_buf = 0; + t_u32 cmd53_port = 0; + mlan_buffer mbuf_aggr; + + ENTER(); + + PRINTM(MIF_D, "host_2_card_mp_aggr: next_pkt_len: %d curr_port:%d\n", + next_pkt_len, port); + + if (!pmadapter->mpa_tx.enabled) { + PRINTM(MINFO, "host_2_card_mp_aggr: tx aggregation disabled !\n"); + + f_send_cur_buf = 1; + goto tx_curr_single; + } + + if (next_pkt_len) { + /* More pkt in TX queue */ + PRINTM(MINFO, "host_2_card_mp_aggr: More packets in Queue.\n"); + + if (MP_TX_AGGR_IN_PROGRESS(pmadapter)) { + if (!MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter) && + MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len)) { + f_precopy_cur_buf = 1; + + if (!(pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port)) + || !MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, + mbuf->data_len + + next_pkt_len)) { + f_send_aggr_buf = 1; + } + } else { + /* No room in Aggr buf, send it */ + f_send_aggr_buf = 1; + + if (MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter) || + !(pmadapter-> + mp_wr_bitmap & (1 << pmadapter->curr_wr_port))) { + f_send_cur_buf = 1; + } else { + f_postcopy_cur_buf = 1; + } + } + } else { + if (MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len) && + (pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port))) + f_precopy_cur_buf = 1; + else + f_send_cur_buf = 1; + } + } else { + /* Last pkt in TX queue */ + PRINTM(MINFO, "host_2_card_mp_aggr: Last packet in Tx Queue.\n"); + + if (MP_TX_AGGR_IN_PROGRESS(pmadapter)) { + /* some packs in Aggr buf already */ + f_send_aggr_buf = 1; + + if (MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len)) { + f_precopy_cur_buf = 1; + } else { + /* No room in Aggr buf, send it */ + f_send_cur_buf = 1; + } + } else { + f_send_cur_buf = 1; + } + } + + if (f_precopy_cur_buf) { + PRINTM(MINFO, "host_2_card_mp_aggr: Precopy current buffer\n"); + MP_TX_AGGR_BUF_PUT(pmadapter, mbuf, port); + + if (MP_TX_AGGR_PKT_LIMIT_REACHED(pmadapter) || + MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter)) { + PRINTM(MIF_D, + "host_2_card_mp_aggr: Aggregation Pkt limit reached\n"); + /* No more pkts allowed in Aggr buf, send it */ + f_send_aggr_buf = 1; + } + } + + if (f_send_aggr_buf) { + PRINTM(MINFO, "host_2_card_mp_aggr: Send aggregation buffer." + "%d %d\n", pmadapter->mpa_tx.start_port, + pmadapter->mpa_tx.ports); + + memset(pmadapter, &mbuf_aggr, 0, sizeof(mlan_buffer)); + + mbuf_aggr.pbuf = (t_u8 *) pmadapter->mpa_tx.buf; + mbuf_aggr.data_len = pmadapter->mpa_tx.buf_len; + cmd53_port = (pmadapter->ioport | SDIO_MPA_ADDR_BASE | + (pmadapter->mpa_tx.ports << 4)) + + pmadapter->mpa_tx.start_port; + ret = wlan_write_data_sync(pmadapter, &mbuf_aggr, cmd53_port); + MP_TX_AGGR_BUF_RESET(pmadapter); + } + + tx_curr_single: + if (f_send_cur_buf) { + PRINTM(MINFO, "host_2_card_mp_aggr: writing to port #%d\n", port); + ret = wlan_write_data_sync(pmadapter, mbuf, pmadapter->ioport + port); + } + if (f_postcopy_cur_buf) { + PRINTM(MINFO, "host_2_card_mp_aggr: Postcopy current buffer\n"); + MP_TX_AGGR_BUF_PUT(pmadapter, mbuf, port); + } + + LEAVE(); + return ret; +} +#endif /* SDIO_MULTI_PORT_TX_AGGR */ + +/******************************************************** + Global functions +********************************************************/ + +/** + * @brief This function checks if the interface is ready to download + * or not while other download interface is present + * + * @param pmadapter A pointer to mlan_adapter structure + * @param val Winner status (0: winner) + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + * + */ +mlan_status +wlan_check_winner_status(mlan_adapter * pmadapter, t_u32 * val) +{ + t_u32 winner = 0; + pmlan_callbacks pcb; + + ENTER(); + + pcb = &pmadapter->callbacks; + + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS0_REG, + &winner)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + *val = winner; + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief This function checks if the firmware is ready to accept + * command or not. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param pollnum Maximum polling number + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_check_fw_status(mlan_adapter * pmadapter, t_u32 pollnum) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + t_u16 firmwarestat; + t_u32 tries; + + ENTER(); + + /* Wait for firmware initialization event */ + for (tries = 0; tries < pollnum; tries++) { + if (MLAN_STATUS_SUCCESS != + (ret = wlan_sdio_read_fw_status(pmadapter, &firmwarestat))) + continue; + if (firmwarestat == FIRMWARE_READY) { + ret = MLAN_STATUS_SUCCESS; + break; + } else { + wlan_mdelay(pmadapter, 100); + ret = MLAN_STATUS_FAILURE; + } + } + + if (ret != MLAN_STATUS_SUCCESS) + goto done; + + done: + LEAVE(); + return ret; +} + +/** + * @brief This function downloads firmware to card + * + * @param pmadapter A pointer to mlan_adapter + * @param pmfw A pointer to firmware image + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_dnld_fw(IN pmlan_adapter pmadapter, IN pmlan_fw_image pmfw) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + + ENTER(); + + /* Download the firmware image via helper */ + ret = wlan_prog_fw_w_helper(pmadapter, pmfw); + if (ret != MLAN_STATUS_SUCCESS) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + LEAVE(); + return ret; +} + +/** + * @brief This function probes the driver + * + * @param pmadapter A pointer to mlan_adapter structure + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_sdio_probe(pmlan_adapter pmadapter) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + t_u32 sdio_ireg = 0; + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + /* + * Read the HOST_INT_STATUS_REG for ACK the first interrupt got + * from the bootloader. If we don't do this we get a interrupt + * as soon as we register the irq. + */ + pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INT_STATUS_REG, + &sdio_ireg); + + /* Disable host interrupt mask register for SDIO */ + ret = wlan_disable_host_int(pmadapter); + if (ret != MLAN_STATUS_SUCCESS) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + /* Get SDIO ioport */ + ret = wlan_sdio_init_ioport(pmadapter); + LEAVE(); + return ret; +} + +/** + * @brief This function gets interrupt status. + * + * @param pmadapter A pointer to mlan_adapter structure + * @return N/A + */ +t_void +wlan_interrupt(pmlan_adapter pmadapter) +{ + pmlan_callbacks pcb = &pmadapter->callbacks; + mlan_buffer mbuf; + t_u32 sdio_ireg = 0; + + ENTER(); + + memset(pmadapter, &mbuf, 0, sizeof(mlan_buffer)); + mbuf.pbuf = pmadapter->mp_regs; + mbuf.data_len = MAX_MP_REGS; + + if (MLAN_STATUS_SUCCESS != + pcb->moal_read_data_sync(pmadapter->pmoal_handle, &mbuf, + REG_PORT | MLAN_SDIO_BYTE_MODE_MASK, 0)) { + PRINTM(MERROR, "moal_read_data_sync: read registers failed\n"); + pmadapter->dbg.num_int_read_failure++; + goto done; + } + + DBG_HEXDUMP(MIF_D, "SDIO MP Registers", pmadapter->mp_regs, MAX_MP_REGS); + sdio_ireg = pmadapter->mp_regs[HOST_INT_STATUS_REG]; + pmadapter->dbg.last_int_status = pmadapter->sdio_ireg | sdio_ireg; + if (sdio_ireg) { + /* + * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS + * DN_LD_CMD_PORT_HOST_INT_STATUS and/or + * UP_LD_CMD_PORT_HOST_INT_STATUS + * Clear the interrupt status register + */ + PRINTM(MINTR, "wlan_interrupt: sdio_ireg = 0x%x\n", sdio_ireg); + pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pint_lock); + pmadapter->sdio_ireg |= sdio_ireg; + pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pint_lock); + } else { + PRINTM(MMSG, "wlan_interrupt: sdio_ireg = 0x%x\n", sdio_ireg); + } + done: + LEAVE(); +} + +/** + * @brief This function enables the host interrupts. + * + * @param pmadapter A pointer to mlan_adapter structure + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_enable_host_int(pmlan_adapter pmadapter) +{ + mlan_status ret; + + ENTER(); + ret = wlan_sdio_enable_host_int_mask(pmadapter, HIM_ENABLE); + LEAVE(); + return ret; +} + +/** + * @brief This function checks the interrupt status and handle it accordingly. + * + * @param pmadapter A pointer to mlan_adapter structure + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_process_int_status(mlan_adapter * pmadapter) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_callbacks pcb = &pmadapter->callbacks; + t_u8 sdio_ireg; + mlan_buffer *pmbuf = MNULL; + t_u8 port = 0; + t_u32 len_reg_l, len_reg_u; + t_u32 rx_blocks; + t_u32 ps_state = pmadapter->ps_state; + t_u16 rx_len; +#if !defined(SDIO_MULTI_PORT_RX_AGGR) + t_u32 upld_typ = 0; +#endif + t_u32 cr = 0; + + ENTER(); + + pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pint_lock); + sdio_ireg = pmadapter->sdio_ireg; + pmadapter->sdio_ireg = 0; + pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pint_lock); + + if (!sdio_ireg) + goto done; + + if (sdio_ireg & DN_LD_HOST_INT_STATUS) { + pmadapter->mp_wr_bitmap = (t_u32) pmadapter->mp_regs[WR_BITMAP_L]; + pmadapter->mp_wr_bitmap |= + ((t_u32) pmadapter->mp_regs[WR_BITMAP_U]) << 8; + PRINTM(MINTR, "DNLD: wr_bitmap=0x%08x\n", pmadapter->mp_wr_bitmap); + if (pmadapter->data_sent && + (pmadapter->mp_wr_bitmap & pmadapter->mp_data_port_mask)) { + PRINTM(MINFO, " <--- Tx DONE Interrupt --->\n"); + pmadapter->data_sent = MFALSE; + } + } + + /* As firmware will not generate download ready interrupt if the port + updated is command port only, cmd_sent should be done for any SDIO + interrupt. */ + if (pmadapter->cmd_sent == MTRUE) { + /* Check if firmware has attach buffer at command port and update just + that in wr_bit_map. */ + pmadapter->mp_wr_bitmap |= + (t_u32) pmadapter->mp_regs[WR_BITMAP_L] & CTRL_PORT_MASK; + if (pmadapter->mp_wr_bitmap & CTRL_PORT_MASK) + pmadapter->cmd_sent = MFALSE; + } + + PRINTM(MINFO, "cmd_sent=%d, data_sent=%d\n", pmadapter->cmd_sent, + pmadapter->data_sent); + + if (sdio_ireg & UP_LD_HOST_INT_STATUS) { + pmadapter->mp_rd_bitmap = (t_u32) pmadapter->mp_regs[RD_BITMAP_L]; + pmadapter->mp_rd_bitmap |= + ((t_u32) pmadapter->mp_regs[RD_BITMAP_U]) << 8; + PRINTM(MINTR, "UPLD: rd_bitmap=0x%08x\n", pmadapter->mp_rd_bitmap); + + while (MTRUE) { + ret = wlan_get_rd_port(pmadapter, &port); + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MINFO, "no more rd_port to be handled\n"); + break; + } + len_reg_l = RD_LEN_P0_L + (port << 1); + len_reg_u = RD_LEN_P0_U + (port << 1); + rx_len = ((t_u16) pmadapter->mp_regs[len_reg_u]) << 8; + rx_len |= (t_u16) pmadapter->mp_regs[len_reg_l]; + PRINTM(MINFO, "RX: port=%d rx_len=%u\n", port, rx_len); + rx_blocks = + (rx_len + MLAN_SDIO_BLOCK_SIZE - 1) / MLAN_SDIO_BLOCK_SIZE; + if (rx_len <= INTF_HEADER_LEN || + (rx_blocks * MLAN_SDIO_BLOCK_SIZE) > ALLOC_BUF_SIZE) { + PRINTM(MERROR, "invalid rx_len=%d\n", rx_len); + ret = MLAN_STATUS_FAILURE; + goto done; + } + rx_len = (t_u16) (rx_blocks * MLAN_SDIO_BLOCK_SIZE); + if (port == CTRL_PORT) + pmbuf = wlan_alloc_mlan_buffer(pmadapter, rx_len, 0, MTRUE); + else + pmbuf = + wlan_alloc_mlan_buffer(pmadapter, rx_len, + MLAN_RX_HEADER_LEN, MFALSE); + if (pmbuf == MNULL) { + PRINTM(MERROR, "Failed to allocate 'mlan_buffer'\n"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + PRINTM(MINFO, "rx_len = %d\n", rx_len); +#ifdef SDIO_MULTI_PORT_RX_AGGR + if (MLAN_STATUS_SUCCESS != + wlan_sdio_card_to_host_mp_aggr(pmadapter, pmbuf, port, + rx_len)) { +#else + /* Transfer data from card */ + if (MLAN_STATUS_SUCCESS != + wlan_sdio_card_to_host(pmadapter, &upld_typ, + (t_u32 *) & pmadapter->upld_len, pmbuf, + rx_len, pmadapter->ioport + port)) { +#endif /* SDIO_MULTI_PORT_RX_AGGR */ + + if (port == CTRL_PORT) + pmadapter->dbg.num_cmdevt_card_to_host_failure++; + else + pmadapter->dbg.num_rx_card_to_host_failure++; + + PRINTM(MERROR, "Card to host failed: int status=0x%x\n", + sdio_ireg); +#ifndef SDIO_MULTI_PORT_RX_AGGR + wlan_free_mlan_buffer(pmadapter, pmbuf); +#endif + ret = MLAN_STATUS_FAILURE; + goto term_cmd53; + } +#ifndef SDIO_MULTI_PORT_RX_AGGR + wlan_decode_rx_packet(pmadapter, pmbuf, upld_typ); +#endif + } + /* We might receive data/sleep_cfm at the same time */ + /* reset data_receive flag to avoid ps_state change */ + if ((ps_state == PS_STATE_SLEEP_CFM) && + (pmadapter->ps_state == PS_STATE_SLEEP)) + pmadapter->data_received = MFALSE; + } + + ret = MLAN_STATUS_SUCCESS; + goto done; + + term_cmd53: + /* terminate cmd53 */ + if (MLAN_STATUS_SUCCESS != pcb->moal_read_reg(pmadapter->pmoal_handle, + HOST_TO_CARD_EVENT_REG, &cr)) + PRINTM(MERROR, "read CFG reg failed\n"); + PRINTM(MINFO, "Config Reg val = %d\n", cr); + if (MLAN_STATUS_SUCCESS != pcb->moal_write_reg(pmadapter->pmoal_handle, + HOST_TO_CARD_EVENT_REG, + (cr | HOST_TERM_CMD53))) + PRINTM(MERROR, "write CFG reg failed\n"); + PRINTM(MINFO, "write success\n"); + if (MLAN_STATUS_SUCCESS != pcb->moal_read_reg(pmadapter->pmoal_handle, + HOST_TO_CARD_EVENT_REG, &cr)) + PRINTM(MERROR, "read CFG reg failed\n"); + PRINTM(MINFO, "Config reg val =%x\n", cr); + + done: + LEAVE(); + return ret; +} + +/** + * @brief This function sends data to the card. + * + * @param pmadapter A pointer to mlan_adapter structure + * @param type data or command + * @param pmbuf A pointer to mlan_buffer (pmbuf->data_len should include SDIO header) + * @param tx_param A pointer to mlan_tx_param + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_sdio_host_to_card(mlan_adapter * pmadapter, t_u8 type, mlan_buffer * pmbuf, + mlan_tx_param * tx_param) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + t_u32 buf_block_len; + t_u32 blksz; + t_u8 port = 0; + t_u32 cmd53_port = 0; + t_u8 *payload = pmbuf->pbuf + pmbuf->data_offset; + + ENTER(); + + /* Allocate buffer and copy payload */ + blksz = MLAN_SDIO_BLOCK_SIZE; + buf_block_len = (pmbuf->data_len + blksz - 1) / blksz; + *(t_u16 *) & payload[0] = wlan_cpu_to_le16((t_u16) pmbuf->data_len); + *(t_u16 *) & payload[2] = wlan_cpu_to_le16(type); + + /* + * This is SDIO specific header + * t_u16 length, + * t_u16 type (MLAN_TYPE_DATA = 0, MLAN_TYPE_CMD = 1, MLAN_TYPE_EVENT = 3) + */ + if (type == MLAN_TYPE_DATA) { + ret = wlan_get_wr_port_data(pmadapter, &port); + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, "no wr_port available: %d\n", ret); + goto exit; + } + /* Transfer data to card */ + pmbuf->data_len = buf_block_len * blksz; + +#ifdef SDIO_MULTI_PORT_TX_AGGR + if (tx_param) + ret = + wlan_host_to_card_mp_aggr(pmadapter, pmbuf, port, + tx_param->next_pkt_len); + else + ret = wlan_host_to_card_mp_aggr(pmadapter, pmbuf, port, 0); +#else + ret = wlan_write_data_sync(pmadapter, pmbuf, pmadapter->ioport + port); +#endif /* SDIO_MULTI_PORT_TX_AGGR */ + + } else { + /* Type must be MLAN_TYPE_CMD */ + pmadapter->cmd_sent = MTRUE; + /* clear CTRL PORT */ + pmadapter->mp_wr_bitmap &= (t_u32) (~(1 << CTRL_PORT)); + if (pmbuf->data_len <= INTF_HEADER_LEN || + pmbuf->data_len > WLAN_UPLD_SIZE) + PRINTM(MWARN, + "wlan_sdio_host_to_card(): Error: payload=%p, nb=%d\n", + payload, pmbuf->data_len); + /* Transfer data to card */ + pmbuf->data_len = buf_block_len * blksz; + cmd53_port = pmadapter->ioport + CTRL_PORT; + ret = wlan_write_data_sync(pmadapter, pmbuf, cmd53_port); + } + + if (ret != MLAN_STATUS_SUCCESS) { + if (type == MLAN_TYPE_CMD) + pmadapter->cmd_sent = MFALSE; + if (type == MLAN_TYPE_DATA) + pmadapter->data_sent = MFALSE; + } else { + if (type == MLAN_TYPE_DATA) { + if (!(pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port))) + pmadapter->data_sent = MTRUE; + else + pmadapter->data_sent = MFALSE; + } + DBG_HEXDUMP(MIF_D, "SDIO Blk Wr", pmbuf->pbuf + pmbuf->data_offset, + MIN(pmbuf->data_len, MAX_DATA_DUMP_LEN)); + } + exit: + LEAVE(); + return ret; +} + +#if defined(SDIO_MULTI_PORT_TX_AGGR) || defined(SDIO_MULTI_PORT_RX_AGGR) +/** + * @brief This function allocates buffer for the SDIO aggregation buffer + * related members of adapter structure + * + * @param pmadapter A pointer to mlan_adapter structure + * @param mpa_tx_buf_size Tx buffer size to allocate + * @param mpa_rx_buf_size Rx buffer size to allocate + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_alloc_sdio_mpa_buffers(IN mlan_adapter * pmadapter, + t_u32 mpa_tx_buf_size, t_u32 mpa_rx_buf_size) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + +#ifdef SDIO_MULTI_PORT_TX_AGGR + ret = + pcb->moal_malloc(pmadapter->pmoal_handle, + mpa_tx_buf_size + DMA_ALIGNMENT, + MLAN_MEM_DEF | MLAN_MEM_DMA, + (t_u8 **) & pmadapter->mpa_tx.head_ptr); + if (ret != MLAN_STATUS_SUCCESS || !pmadapter->mpa_tx.head_ptr) { + PRINTM(MERROR, "Could not allocate buffer for SDIO MP TX aggr\n"); + ret = MLAN_STATUS_FAILURE; + goto error; + } + pmadapter->mpa_tx.buf = + (t_u8 *) ALIGN_ADDR(pmadapter->mpa_tx.head_ptr, DMA_ALIGNMENT); + pmadapter->mpa_tx.buf_size = mpa_tx_buf_size; +#endif /* SDIO_MULTI_PORT_TX_AGGR */ + +#ifdef SDIO_MULTI_PORT_RX_AGGR + ret = + pcb->moal_malloc(pmadapter->pmoal_handle, + mpa_rx_buf_size + DMA_ALIGNMENT, + MLAN_MEM_DEF | MLAN_MEM_DMA, + (t_u8 **) & pmadapter->mpa_rx.head_ptr); + if (ret != MLAN_STATUS_SUCCESS || !pmadapter->mpa_rx.head_ptr) { + PRINTM(MERROR, "Could not allocate buffer for SDIO MP RX aggr\n"); + ret = MLAN_STATUS_FAILURE; + goto error; + } + pmadapter->mpa_rx.buf = + (t_u8 *) ALIGN_ADDR(pmadapter->mpa_rx.head_ptr, DMA_ALIGNMENT); + pmadapter->mpa_rx.buf_size = mpa_rx_buf_size; +#endif /* SDIO_MULTI_PORT_RX_AGGR */ + error: + if (ret != MLAN_STATUS_SUCCESS) { + wlan_free_sdio_mpa_buffers(pmadapter); + } + + LEAVE(); + return ret; +} + +/** + * @brief This function frees buffers for the SDIO aggregation + * + * @param pmadapter A pointer to mlan_adapter structure + * + * @return MLAN_STATUS_SUCCESS + */ +mlan_status +wlan_free_sdio_mpa_buffers(IN mlan_adapter * pmadapter) +{ + pmlan_callbacks pcb = &pmadapter->callbacks; + + ENTER(); + +#ifdef SDIO_MULTI_PORT_TX_AGGR + if (pmadapter->mpa_tx.buf) { + pcb->moal_mfree(pmadapter->pmoal_handle, + (t_u8 *) pmadapter->mpa_tx.head_ptr); + pmadapter->mpa_tx.head_ptr = MNULL; + pmadapter->mpa_tx.buf = MNULL; + pmadapter->mpa_tx.buf_size = 0; + } +#endif /* SDIO_MULTI_PORT_TX_AGGR */ + +#ifdef SDIO_MULTI_PORT_RX_AGGR + if (pmadapter->mpa_rx.buf) { + pcb->moal_mfree(pmadapter->pmoal_handle, + (t_u8 *) pmadapter->mpa_rx.head_ptr); + pmadapter->mpa_rx.head_ptr = MNULL; + pmadapter->mpa_rx.buf = MNULL; + pmadapter->mpa_rx.buf_size = 0; + } +#endif /* SDIO_MULTI_PORT_RX_AGGR */ + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} +#endif /* SDIO_MULTI_PORT_TX_AGGR || SDIO_MULTI_PORT_RX_AGGR */ + +/** + * @brief This function issues commands to initialize firmware + * + * @param priv A pointer to mlan_private structure + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +wlan_set_sdio_gpio_int(IN pmlan_private priv) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + pmlan_adapter pmadapter = priv->adapter; + HostCmd_DS_SDIO_GPIO_INT_CONFIG sdio_int_cfg; + + ENTER(); + + if (pmadapter->int_mode == INT_MODE_GPIO) { + PRINTM(MINFO, "SDIO_GPIO_INT_CONFIG: interrupt mode is GPIO\n"); + sdio_int_cfg.action = HostCmd_ACT_GEN_SET; + sdio_int_cfg.gpio_pin = pmadapter->gpio_pin; + sdio_int_cfg.gpio_int_edge = INT_FALLING_EDGE; + sdio_int_cfg.gpio_pulse_width = DELAY_1_US; + ret = wlan_prepare_cmd(priv, HostCmd_CMD_SDIO_GPIO_INT_CONFIG, + HostCmd_ACT_GEN_SET, 0, MNULL, &sdio_int_cfg); + + if (ret) { + PRINTM(MERROR, "SDIO_GPIO_INT_CONFIG: send command fail\n"); + ret = MLAN_STATUS_FAILURE; + } + } else { + PRINTM(MINFO, "SDIO_GPIO_INT_CONFIG: interrupt mode is SDIO\n"); + } + + LEAVE(); + return ret; +} + +/** + * @brief This function prepares command of SDIO GPIO interrupt + * + * @param pmpriv A pointer to mlan_private structure + * @param cmd A pointer to HostCmd_DS_COMMAND structure + * @param cmd_action The action: GET or SET + * @param pdata_buf A pointer to data buffer + * @return MLAN_STATUS_SUCCESS + */ +mlan_status +wlan_cmd_sdio_gpio_int(pmlan_private pmpriv, + IN HostCmd_DS_COMMAND * cmd, + IN t_u16 cmd_action, IN t_void * pdata_buf) +{ + HostCmd_DS_SDIO_GPIO_INT_CONFIG *psdio_gpio_int = + &cmd->params.sdio_gpio_int; + + ENTER(); + + cmd->command = wlan_cpu_to_le16(HostCmd_CMD_SDIO_GPIO_INT_CONFIG); + cmd->size = + wlan_cpu_to_le16((sizeof(HostCmd_DS_SDIO_GPIO_INT_CONFIG)) + S_DS_GEN); + + memset(pmpriv->adapter, psdio_gpio_int, 0, + sizeof(HostCmd_DS_SDIO_GPIO_INT_CONFIG)); + if (cmd_action == HostCmd_ACT_GEN_SET) { + memcpy(pmpriv->adapter, psdio_gpio_int, pdata_buf, + sizeof(HostCmd_DS_SDIO_GPIO_INT_CONFIG)); + psdio_gpio_int->action = wlan_cpu_to_le16(psdio_gpio_int->action); + psdio_gpio_int->gpio_pin = wlan_cpu_to_le16(psdio_gpio_int->gpio_pin); + psdio_gpio_int->gpio_int_edge = + wlan_cpu_to_le16(psdio_gpio_int->gpio_int_edge); + psdio_gpio_int->gpio_pulse_width = + wlan_cpu_to_le16(psdio_gpio_int->gpio_pulse_width); + } + + LEAVE(); + return MLAN_STATUS_SUCCESS; +} |