]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
Merge remote-tracking branch 'net-next/master'
[karo-tx-linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / dhd_sdio.c
index 1aa75d5951b82720f21f0ff486e701252837333b..67f05db4b9b8e11918771b087925c12d184821fd 100644 (file)
@@ -275,11 +275,6 @@ struct rte_console {
 /* Flags for SDH calls */
 #define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED)
 
-#define BRCMF_SDIO_FW_NAME     "brcm/brcmfmac-sdio.bin"
-#define BRCMF_SDIO_NV_NAME     "brcm/brcmfmac-sdio.txt"
-MODULE_FIRMWARE(BRCMF_SDIO_FW_NAME);
-MODULE_FIRMWARE(BRCMF_SDIO_NV_NAME);
-
 #define BRCMF_IDLE_IMMEDIATE   (-1)    /* Enter idle immediately */
 #define BRCMF_IDLE_ACTIVE      0       /* Do not request any SD clock change
                                         * when idle
@@ -454,9 +449,6 @@ struct brcmf_sdio {
        struct work_struct datawork;
        atomic_t dpc_tskcnt;
 
-       const struct firmware *firmware;
-       u32 fw_ptr;
-
        bool txoff;             /* Transmit flow-controlled */
        struct brcmf_sdio_count sdcnt;
        bool sr_enabled; /* SaveRestore enabled */
@@ -493,6 +485,100 @@ enum brcmf_sdio_frmtype {
        BRCMF_SDIO_FT_SUB,
 };
 
+#define BCM43143_FIRMWARE_NAME         "brcm/brcmfmac43143-sdio.bin"
+#define BCM43143_NVRAM_NAME            "brcm/brcmfmac43143-sdio.txt"
+#define BCM43241B0_FIRMWARE_NAME       "brcm/brcmfmac43241b0-sdio.bin"
+#define BCM43241B0_NVRAM_NAME          "brcm/brcmfmac43241b0-sdio.txt"
+#define BCM43241B4_FIRMWARE_NAME       "brcm/brcmfmac43241b4-sdio.bin"
+#define BCM43241B4_NVRAM_NAME          "brcm/brcmfmac43241b4-sdio.txt"
+#define BCM4329_FIRMWARE_NAME          "brcm/brcmfmac4329-sdio.bin"
+#define BCM4329_NVRAM_NAME             "brcm/brcmfmac4329-sdio.txt"
+#define BCM4330_FIRMWARE_NAME          "brcm/brcmfmac4330-sdio.bin"
+#define BCM4330_NVRAM_NAME             "brcm/brcmfmac4330-sdio.txt"
+#define BCM4334_FIRMWARE_NAME          "brcm/brcmfmac4334-sdio.bin"
+#define BCM4334_NVRAM_NAME             "brcm/brcmfmac4334-sdio.txt"
+#define BCM4335_FIRMWARE_NAME          "brcm/brcmfmac4335-sdio.bin"
+#define BCM4335_NVRAM_NAME             "brcm/brcmfmac4335-sdio.txt"
+
+MODULE_FIRMWARE(BCM43143_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM43143_NVRAM_NAME);
+MODULE_FIRMWARE(BCM43241B0_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM43241B0_NVRAM_NAME);
+MODULE_FIRMWARE(BCM43241B4_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM43241B4_NVRAM_NAME);
+MODULE_FIRMWARE(BCM4329_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM4329_NVRAM_NAME);
+MODULE_FIRMWARE(BCM4330_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM4330_NVRAM_NAME);
+MODULE_FIRMWARE(BCM4334_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM4334_NVRAM_NAME);
+MODULE_FIRMWARE(BCM4335_FIRMWARE_NAME);
+MODULE_FIRMWARE(BCM4335_NVRAM_NAME);
+
+struct brcmf_firmware_names {
+       u32 chipid;
+       u32 revmsk;
+       const char *bin;
+       const char *nv;
+};
+
+enum brcmf_firmware_type {
+       BRCMF_FIRMWARE_BIN,
+       BRCMF_FIRMWARE_NVRAM
+};
+
+#define BRCMF_FIRMWARE_NVRAM(name) \
+       name ## _FIRMWARE_NAME, name ## _NVRAM_NAME
+
+static const struct brcmf_firmware_names brcmf_fwname_data[] = {
+       { BCM43143_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM43143) },
+       { BCM43241_CHIP_ID, 0x0000001F, BRCMF_FIRMWARE_NVRAM(BCM43241B0) },
+       { BCM43241_CHIP_ID, 0xFFFFFFE0, BRCMF_FIRMWARE_NVRAM(BCM43241B4) },
+       { BCM4329_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4329) },
+       { BCM4330_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4330) },
+       { BCM4334_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4334) },
+       { BCM4335_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4335) }
+};
+
+
+static const struct firmware *brcmf_sdbrcm_get_fw(struct brcmf_sdio *bus,
+                                                 enum brcmf_firmware_type type)
+{
+       const struct firmware *fw;
+       const char *name;
+       int err, i;
+
+       for (i = 0; i < ARRAY_SIZE(brcmf_fwname_data); i++) {
+               if (brcmf_fwname_data[i].chipid == bus->ci->chip &&
+                   brcmf_fwname_data[i].revmsk & BIT(bus->ci->chiprev)) {
+                       switch (type) {
+                       case BRCMF_FIRMWARE_BIN:
+                               name = brcmf_fwname_data[i].bin;
+                               break;
+                       case BRCMF_FIRMWARE_NVRAM:
+                               name = brcmf_fwname_data[i].nv;
+                               break;
+                       default:
+                               brcmf_err("invalid firmware type (%d)\n", type);
+                               return NULL;
+                       }
+                       goto found;
+               }
+       }
+       brcmf_err("Unknown chipid %d [%d]\n",
+                 bus->ci->chip, bus->ci->chiprev);
+       return NULL;
+
+found:
+       err = request_firmware(&fw, name, &bus->sdiodev->func[2]->dev);
+       if ((err) || (!fw)) {
+               brcmf_err("fail to request firmware %s (%d)\n", name, err);
+               return NULL;
+       }
+
+       return fw;
+}
+
 static void pkt_align(struct sk_buff *p, int len, int align)
 {
        uint datalign;
@@ -1406,13 +1492,12 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
                                           bus->glom.qlen, pfirst, pfirst->data,
                                           pfirst->len, pfirst->next,
                                           pfirst->prev);
+                       skb_unlink(pfirst, &bus->glom);
+                       brcmf_rx_frame(bus->sdiodev->dev, pfirst);
+                       bus->sdcnt.rxglompkts++;
                }
-               /* sent any remaining packets up */
-               if (bus->glom.qlen)
-                       brcmf_rx_frames(bus->sdiodev->dev, &bus->glom);
 
                bus->sdcnt.rxglomframes++;
-               bus->sdcnt.rxglompkts += bus->glom.qlen;
        }
        return num;
 }
@@ -1557,7 +1642,6 @@ static void brcmf_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen)
 static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
 {
        struct sk_buff *pkt;            /* Packet for event or data frames */
-       struct sk_buff_head pktlist;    /* needed for bus interface */
        u16 pad;                /* Number of pad bytes to read */
        uint rxleft = 0;        /* Remaining number of frames allowed */
        int ret;                /* Return code from calls */
@@ -1759,9 +1843,7 @@ static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes)
                        continue;
                }
 
-               skb_queue_head_init(&pktlist);
-               skb_queue_tail(&pktlist, pkt);
-               brcmf_rx_frames(bus->sdiodev->dev, &pktlist);
+               brcmf_rx_frame(bus->sdiodev->dev, pkt);
        }
 
        rxcount = maxframes - rxleft;
@@ -1786,10 +1868,15 @@ brcmf_sdbrcm_wait_event_wakeup(struct brcmf_sdio *bus)
        return;
 }
 
+/**
+ * struct brcmf_skbuff_cb reserves first two bytes in sk_buff::cb for
+ * bus layer usage.
+ */
 /* flag marking a dummy skb added for DMA alignment requirement */
-#define DUMMY_SKB_FLAG         0x10000
+#define ALIGN_SKB_FLAG         0x8000
 /* bit mask of data length chopped from the previous packet */
-#define DUMMY_SKB_CHOP_LEN_MASK        0xffff
+#define ALIGN_SKB_CHOP_LEN_MASK        0x7fff
+
 /**
  * brcmf_sdio_txpkt_prep - packet preparation for transmit
  * @bus: brcmf_sdio structure pointer
@@ -1854,7 +1941,7 @@ brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
                memcpy(pkt_new->data,
                       pkt_next->data + pkt_next->len - tail_chop,
                       tail_chop);
-               *(u32 *)(pkt_new->cb) = DUMMY_SKB_FLAG + tail_chop;
+               *(u32 *)(pkt_new->cb) = ALIGN_SKB_FLAG + tail_chop;
                skb_trim(pkt_next, pkt_next->len - tail_chop);
                __skb_queue_after(pktq, pkt_next, pkt_new);
        } else {
@@ -1908,8 +1995,8 @@ brcmf_sdio_txpkt_postp(struct brcmf_sdio *bus, struct sk_buff_head *pktq)
 
        skb_queue_walk_safe(pktq, pkt_next, tmp) {
                dummy_flags = *(u32 *)(pkt_next->cb);
-               if (dummy_flags & DUMMY_SKB_FLAG) {
-                       chop_len = dummy_flags & DUMMY_SKB_CHOP_LEN_MASK;
+               if (dummy_flags & ALIGN_SKB_FLAG) {
+                       chop_len = dummy_flags & ALIGN_SKB_CHOP_LEN_MASK;
                        if (chop_len) {
                                pkt_prev = pkt_next->prev;
                                memcpy(pkt_prev->data + pkt_prev->len,
@@ -3037,69 +3124,43 @@ static bool brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter)
        return true;
 }
 
-static int brcmf_sdbrcm_get_image(char *buf, int len, struct brcmf_sdio *bus)
-{
-       if (bus->firmware->size < bus->fw_ptr + len)
-               len = bus->firmware->size - bus->fw_ptr;
-
-       memcpy(buf, &bus->firmware->data[bus->fw_ptr], len);
-       bus->fw_ptr += len;
-       return len;
-}
-
 static int brcmf_sdbrcm_download_code_file(struct brcmf_sdio *bus)
 {
+       const struct firmware *fw;
+       int err;
        int offset;
-       uint len;
-       u8 *memblock = NULL, *memptr;
-       int ret;
-       u8 idx;
-
-       brcmf_dbg(INFO, "Enter\n");
-
-       ret = request_firmware(&bus->firmware, BRCMF_SDIO_FW_NAME,
-                              &bus->sdiodev->func[2]->dev);
-       if (ret) {
-               brcmf_err("Fail to request firmware %d\n", ret);
-               return ret;
-       }
-       bus->fw_ptr = 0;
-
-       memptr = memblock = kmalloc(MEMBLOCK + BRCMF_SDALIGN, GFP_ATOMIC);
-       if (memblock == NULL) {
-               ret = -ENOMEM;
-               goto err;
-       }
-       if ((u32)(unsigned long)memblock % BRCMF_SDALIGN)
-               memptr += (BRCMF_SDALIGN -
-                          ((u32)(unsigned long)memblock % BRCMF_SDALIGN));
-
-       offset = bus->ci->rambase;
-
-       /* Download image */
-       len = brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus);
-       idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_ARM_CR4);
-       if (BRCMF_MAX_CORENUM != idx)
-               memcpy(&bus->ci->rst_vec, memptr, sizeof(bus->ci->rst_vec));
-       while (len) {
-               ret = brcmf_sdio_ramrw(bus->sdiodev, true, offset, memptr, len);
-               if (ret) {
+       int address;
+       int len;
+
+       fw = brcmf_sdbrcm_get_fw(bus, BRCMF_FIRMWARE_BIN);
+       if (fw == NULL)
+               return -ENOENT;
+
+       if (brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_ARM_CR4) !=
+           BRCMF_MAX_CORENUM)
+               memcpy(&bus->ci->rst_vec, fw->data, sizeof(bus->ci->rst_vec));
+
+       err = 0;
+       offset = 0;
+       address = bus->ci->rambase;
+       while (offset < fw->size) {
+               len = ((offset + MEMBLOCK) < fw->size) ? MEMBLOCK :
+                     fw->size - offset;
+               err = brcmf_sdio_ramrw(bus->sdiodev, true, address,
+                                      (u8 *)&fw->data[offset], len);
+               if (err) {
                        brcmf_err("error %d on writing %d membytes at 0x%08x\n",
-                                 ret, MEMBLOCK, offset);
-                       goto err;
+                                 err, len, address);
+                       goto failure;
                }
-
-               offset += MEMBLOCK;
-               len = brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus);
+               offset += len;
+               address += len;
        }
 
-err:
-       kfree(memblock);
+failure:
+       release_firmware(fw);
 
-       release_firmware(bus->firmware);
-       bus->fw_ptr = 0;
-
-       return ret;
+       return err;
 }
 
 /*
@@ -3111,7 +3172,8 @@ err:
  * by two NULs.
 */
 
-static int brcmf_process_nvram_vars(struct brcmf_sdio *bus)
+static int brcmf_process_nvram_vars(struct brcmf_sdio *bus,
+                                   const struct firmware *nv)
 {
        char *varbuf;
        char *dp;
@@ -3120,12 +3182,12 @@ static int brcmf_process_nvram_vars(struct brcmf_sdio *bus)
        int ret = 0;
        uint buf_len, n, len;
 
-       len = bus->firmware->size;
+       len = nv->size;
        varbuf = vmalloc(len);
        if (!varbuf)
                return -ENOMEM;
 
-       memcpy(varbuf, bus->firmware->data, len);
+       memcpy(varbuf, nv->data, len);
        dp = varbuf;
 
        findNewline = false;
@@ -3177,18 +3239,16 @@ err:
 
 static int brcmf_sdbrcm_download_nvram(struct brcmf_sdio *bus)
 {
+       const struct firmware *nv;
        int ret;
 
-       ret = request_firmware(&bus->firmware, BRCMF_SDIO_NV_NAME,
-                              &bus->sdiodev->func[2]->dev);
-       if (ret) {
-               brcmf_err("Fail to request nvram %d\n", ret);
-               return ret;
-       }
+       nv = brcmf_sdbrcm_get_fw(bus, BRCMF_FIRMWARE_NVRAM);
+       if (nv == NULL)
+               return -ENOENT;
 
-       ret = brcmf_process_nvram_vars(bus);
+       ret = brcmf_process_nvram_vars(bus, nv);
 
-       release_firmware(bus->firmware);
+       release_firmware(nv);
 
        return ret;
 }