Bluetooth: btmrvl: support Marvell Bluetooth device SD8787
The SD8787 firmware image is shared with mwifiex driver.
Whoever gets loaded first will be responsible for firmware
downloading.
Signed-off-by: Kevin Gan <ganhy@marvell.com>
Signed-off-by: Tristan Xu <xurf@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index dcc2a6e..7f521d4 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -49,15 +49,59 @@
static u8 user_rmmod;
static u8 sdio_ireg;
+static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
+ .cfg = 0x03,
+ .host_int_mask = 0x04,
+ .host_intstatus = 0x05,
+ .card_status = 0x20,
+ .sq_read_base_addr_a0 = 0x10,
+ .sq_read_base_addr_a1 = 0x11,
+ .card_fw_status0 = 0x40,
+ .card_fw_status1 = 0x41,
+ .card_rx_len = 0x42,
+ .card_rx_unit = 0x43,
+ .io_port_0 = 0x00,
+ .io_port_1 = 0x01,
+ .io_port_2 = 0x02,
+};
+static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+ .cfg = 0x00,
+ .host_int_mask = 0x02,
+ .host_intstatus = 0x03,
+ .card_status = 0x30,
+ .sq_read_base_addr_a0 = 0x40,
+ .sq_read_base_addr_a1 = 0x41,
+ .card_revision = 0x5c,
+ .card_fw_status0 = 0x60,
+ .card_fw_status1 = 0x61,
+ .card_rx_len = 0x62,
+ .card_rx_unit = 0x63,
+ .io_port_0 = 0x78,
+ .io_port_1 = 0x79,
+ .io_port_2 = 0x7a,
+};
+
static const struct btmrvl_sdio_device btmrvl_sdio_sd6888 = {
.helper = "sd8688_helper.bin",
.firmware = "sd8688.bin",
+ .reg = &btmrvl_reg_8688,
+ .sd_blksz_fw_dl = 64,
+};
+
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
+ .helper = NULL,
+ .firmware = "mrvl/sd8787_uapsta.bin",
+ .reg = &btmrvl_reg_8787,
+ .sd_blksz_fw_dl = 256,
};
static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8688 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105),
.driver_data = (unsigned long) &btmrvl_sdio_sd6888 },
+ /* Marvell SD8787 Bluetooth device */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
+ .driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
{ } /* Terminating entry */
};
@@ -69,7 +113,7 @@
u8 reg;
int ret;
- reg = sdio_readb(card->func, CARD_RX_UNIT_REG, &ret);
+ reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret);
if (!ret)
card->rx_unit = reg;
@@ -83,11 +127,11 @@
*dat = 0;
- fws0 = sdio_readb(card->func, CARD_FW_STATUS0_REG, &ret);
+ fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
if (ret)
return -EIO;
- fws1 = sdio_readb(card->func, CARD_FW_STATUS1_REG, &ret);
+ fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret);
if (ret)
return -EIO;
@@ -101,7 +145,7 @@
u8 reg;
int ret;
- reg = sdio_readb(card->func, CARD_RX_LEN_REG, &ret);
+ reg = sdio_readb(card->func, card->reg->card_rx_len, &ret);
if (!ret)
*dat = (u16) reg << card->rx_unit;
@@ -113,7 +157,7 @@
{
int ret;
- sdio_writeb(card->func, mask, HOST_INT_MASK_REG, &ret);
+ sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret);
if (ret) {
BT_ERR("Unable to enable the host interrupt!");
ret = -EIO;
@@ -128,13 +172,13 @@
u8 host_int_mask;
int ret;
- host_int_mask = sdio_readb(card->func, HOST_INT_MASK_REG, &ret);
+ host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret);
if (ret)
return -EIO;
host_int_mask &= ~mask;
- sdio_writeb(card->func, host_int_mask, HOST_INT_MASK_REG, &ret);
+ sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret);
if (ret < 0) {
BT_ERR("Unable to disable the host interrupt!");
return -EIO;
@@ -150,7 +194,7 @@
int ret;
for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) {
- status = sdio_readb(card->func, CARD_STATUS_REG, &ret);
+ status = sdio_readb(card->func, card->reg->card_status, &ret);
if (ret)
goto failed;
if ((status & bits) == bits)
@@ -299,7 +343,7 @@
u8 base0, base1;
void *tmpfwbuf = NULL;
u8 *fwbuf;
- u16 len;
+ u16 len, blksz_dl = card->sd_blksz_fw_dl;
int txlen = 0, tx_blocks = 0, count = 0;
ret = request_firmware(&fw_firmware, card->firmware,
@@ -345,7 +389,7 @@
for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
base0 = sdio_readb(card->func,
- SQ_READ_BASE_ADDRESS_A0_REG, &ret);
+ card->reg->sq_read_base_addr_a0, &ret);
if (ret) {
BT_ERR("BASE0 register read failed:"
" base0 = 0x%04X(%d)."
@@ -355,7 +399,7 @@
goto done;
}
base1 = sdio_readb(card->func,
- SQ_READ_BASE_ADDRESS_A1_REG, &ret);
+ card->reg->sq_read_base_addr_a1, &ret);
if (ret) {
BT_ERR("BASE1 register read failed:"
" base1 = 0x%04X(%d)."
@@ -403,20 +447,19 @@
if (firmwarelen - offset < txlen)
txlen = firmwarelen - offset;
- tx_blocks =
- (txlen + SDIO_BLOCK_SIZE - 1) / SDIO_BLOCK_SIZE;
+ tx_blocks = (txlen + blksz_dl - 1) / blksz_dl;
memcpy(fwbuf, &firmware[offset], txlen);
}
ret = sdio_writesb(card->func, card->ioport, fwbuf,
- tx_blocks * SDIO_BLOCK_SIZE);
+ tx_blocks * blksz_dl);
if (ret < 0) {
BT_ERR("FW download, writesb(%d) failed @%d",
count, offset);
- sdio_writeb(card->func, HOST_CMD53_FIN, CONFIG_REG,
- &ret);
+ sdio_writeb(card->func, HOST_CMD53_FIN,
+ card->reg->cfg, &ret);
if (ret)
BT_ERR("writeb failed (CFG)");
}
@@ -597,7 +640,7 @@
priv = card->priv;
- ireg = sdio_readb(card->func, HOST_INTSTATUS_REG, &ret);
+ ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret);
if (ret) {
BT_ERR("sdio_readb: read int status register failed");
return;
@@ -613,7 +656,7 @@
sdio_writeb(card->func, ~(ireg) & (DN_LD_HOST_INT_STATUS |
UP_LD_HOST_INT_STATUS),
- HOST_INTSTATUS_REG, &ret);
+ card->reg->host_intstatus, &ret);
if (ret) {
BT_ERR("sdio_writeb: clear int status register failed");
return;
@@ -664,7 +707,7 @@
goto release_irq;
}
- reg = sdio_readb(func, IO_PORT_0_REG, &ret);
+ reg = sdio_readb(func, card->reg->io_port_0, &ret);
if (ret < 0) {
ret = -EIO;
goto release_irq;
@@ -672,7 +715,7 @@
card->ioport = reg;
- reg = sdio_readb(func, IO_PORT_1_REG, &ret);
+ reg = sdio_readb(func, card->reg->io_port_1, &ret);
if (ret < 0) {
ret = -EIO;
goto release_irq;
@@ -680,7 +723,7 @@
card->ioport |= (reg << 8);
- reg = sdio_readb(func, IO_PORT_2_REG, &ret);
+ reg = sdio_readb(func, card->reg->io_port_2, &ret);
if (ret < 0) {
ret = -EIO;
goto release_irq;
@@ -815,6 +858,8 @@
static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card)
{
int ret = 0;
+ u8 fws0;
+ int pollnum = MAX_POLL_TRIES;
if (!card || !card->func) {
BT_ERR("card or function is NULL!");
@@ -827,20 +872,36 @@
goto done;
}
- ret = btmrvl_sdio_download_helper(card);
+ /* Check if other function driver is downloading the firmware */
+ fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
if (ret) {
- BT_ERR("Failed to download helper!");
+ BT_ERR("Failed to read FW downloading status!");
ret = -EIO;
goto done;
}
+ if (fws0) {
+ BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0);
- if (btmrvl_sdio_download_fw_w_helper(card)) {
- BT_ERR("Failed to download firmware!");
- ret = -EIO;
- goto done;
+ /* Give other function more time to download the firmware */
+ pollnum *= 10;
+ } else {
+ if (card->helper) {
+ ret = btmrvl_sdio_download_helper(card);
+ if (ret) {
+ BT_ERR("Failed to download helper!");
+ ret = -EIO;
+ goto done;
+ }
+ }
+
+ if (btmrvl_sdio_download_fw_w_helper(card)) {
+ BT_ERR("Failed to download firmware!");
+ ret = -EIO;
+ goto done;
+ }
}
- if (btmrvl_sdio_verify_fw_download(card, MAX_POLL_TRIES)) {
+ if (btmrvl_sdio_verify_fw_download(card, pollnum)) {
BT_ERR("FW failed to be active in time!");
ret = -ETIMEDOUT;
goto done;
@@ -864,7 +925,7 @@
sdio_claim_host(card->func);
- sdio_writeb(card->func, HOST_POWER_UP, CONFIG_REG, &ret);
+ sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret);
sdio_release_host(card->func);
@@ -893,8 +954,10 @@
if (id->driver_data) {
struct btmrvl_sdio_device *data = (void *) id->driver_data;
- card->helper = data->helper;
+ card->helper = data->helper;
card->firmware = data->firmware;
+ card->reg = data->reg;
+ card->sd_blksz_fw_dl = data->sd_blksz_fw_dl;
}
if (btmrvl_sdio_register_dev(card) < 0) {
@@ -1011,3 +1074,4 @@
MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE("sd8688_helper.bin");
MODULE_FIRMWARE("sd8688.bin");
+MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
