#define ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS 3
#define QCA988X_2_0_DEVICE_ID (0x003c)
+#define QCA6174_2_1_DEVICE_ID (0x003e)
static const struct pci_device_id ath10k_pci_id_table[] = {
{ PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */
+ { PCI_VDEVICE(ATHEROS, QCA6174_2_1_DEVICE_ID) }, /* PCI-E QCA6174 V2.1 */
{0}
};
+static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = {
+ /* QCA988X pre 2.0 chips are not supported because they need some nasty
+ * hacks. ath10k doesn't have them and these devices crash horribly
+ * because of that.
+ */
+ { QCA988X_2_0_DEVICE_ID, QCA988X_HW_2_0_CHIP_ID_REV },
+ { QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_1_CHIP_ID_REV },
+ { QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_2_CHIP_ID_REV },
+ { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_0_CHIP_ID_REV },
+ { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_1_CHIP_ID_REV },
+ { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_2_CHIP_ID_REV },
+};
+
static void ath10k_pci_buffer_cleanup(struct ath10k *ar);
static int ath10k_pci_cold_reset(struct ath10k *ar);
static int ath10k_pci_warm_reset(struct ath10k *ar);
{
.flags = CE_ATTR_FLAGS,
.src_nentries = 0,
- .src_sz_max = 512,
+ .src_sz_max = 2048,
.dest_nentries = 512,
},
.flags = CE_ATTR_FLAGS,
.src_nentries = 0,
.src_sz_max = 2048,
- .dest_nentries = 32,
+ .dest_nentries = 128,
},
/* CE3: host->target WMI */
.pipenum = __cpu_to_le32(1),
.pipedir = __cpu_to_le32(PIPEDIR_IN),
.nentries = __cpu_to_le32(32),
- .nbytes_max = __cpu_to_le32(512),
+ .nbytes_max = __cpu_to_le32(2048),
.flags = __cpu_to_le32(CE_ATTR_FLAGS),
.reserved = __cpu_to_le32(0),
},
{
.pipenum = __cpu_to_le32(2),
.pipedir = __cpu_to_le32(PIPEDIR_IN),
- .nentries = __cpu_to_le32(32),
+ .nentries = __cpu_to_le32(64),
.nbytes_max = __cpu_to_le32(2048),
.flags = __cpu_to_le32(CE_ATTR_FLAGS),
.reserved = __cpu_to_le32(0),
return -EIO;
}
- ATH10K_SKB_CB(skb)->paddr = paddr;
+ ATH10K_SKB_RXCB(skb)->paddr = paddr;
ret = __ath10k_ce_rx_post_buf(ce_pipe, skb, paddr);
if (ret) {
return -ETIMEDOUT;
}
+/* The rule is host is forbidden from accessing device registers while it's
+ * asleep. Currently ath10k_pci_wake() and ath10k_pci_sleep() calls aren't
+ * balanced and the device is kept awake all the time. This is intended for a
+ * simpler solution for the following problems:
+ *
+ * * device can enter sleep during s2ram without the host knowing,
+ *
+ * * irq handlers access registers which is a problem if other device asserts
+ * a shared irq line when ath10k is between hif_power_down() and
+ * hif_power_up().
+ *
+ * FIXME: If power consumption is a concern (and there are *real* gains) then a
+ * refcounted wake/sleep needs to be implemented.
+ */
+
static int ath10k_pci_wake(struct ath10k *ar)
{
ath10k_pci_reg_write32(ar, PCIE_SOC_WAKE_ADDRESS,
&flags) == 0) {
skb = transfer_context;
max_nbytes = skb->len + skb_tailroom(skb);
- dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
+ dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
max_nbytes, DMA_FROM_DEVICE);
if (unlikely(max_nbytes < nbytes)) {
ce_ring->per_transfer_context[i] = NULL;
- dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
+ dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
skb->len + skb_tailroom(skb),
DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return 0;
}
+static int ath10k_pci_get_num_banks(struct ath10k *ar)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ switch (ar_pci->pdev->device) {
+ case QCA988X_2_0_DEVICE_ID:
+ return 1;
+ case QCA6174_2_1_DEVICE_ID:
+ switch (MS(ar->chip_id, SOC_CHIP_ID_REV)) {
+ case QCA6174_HW_1_0_CHIP_ID_REV:
+ case QCA6174_HW_1_1_CHIP_ID_REV:
+ return 3;
+ case QCA6174_HW_1_3_CHIP_ID_REV:
+ return 2;
+ case QCA6174_HW_2_1_CHIP_ID_REV:
+ case QCA6174_HW_2_2_CHIP_ID_REV:
+ return 6;
+ case QCA6174_HW_3_0_CHIP_ID_REV:
+ case QCA6174_HW_3_1_CHIP_ID_REV:
+ case QCA6174_HW_3_2_CHIP_ID_REV:
+ return 9;
+ }
+ break;
+ }
+
+ ath10k_warn(ar, "unknown number of banks, assuming 1\n");
+ return 1;
+}
+
static int ath10k_pci_init_config(struct ath10k *ar)
{
u32 interconnect_targ_addr;
/* first bank is switched to IRAM */
ealloc_value |= ((HI_EARLY_ALLOC_MAGIC << HI_EARLY_ALLOC_MAGIC_SHIFT) &
HI_EARLY_ALLOC_MAGIC_MASK);
- ealloc_value |= ((1 << HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
+ ealloc_value |= ((ath10k_pci_get_num_banks(ar) <<
+ HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
HI_EARLY_ALLOC_IRAM_BANKS_MASK);
ret = ath10k_pci_diag_write32(ar, ealloc_targ_addr, ealloc_value);
return 0;
}
-static int ath10k_pci_chip_reset(struct ath10k *ar)
+static int ath10k_pci_qca988x_chip_reset(struct ath10k *ar)
{
int i, ret;
u32 val;
- ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip reset\n");
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot 988x chip reset\n");
/* Some hardware revisions (e.g. CUS223v2) has issues with cold reset.
* It is thus preferred to use warm reset which is safer but may not be
return ret;
}
- ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip reset complete (cold)\n");
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca988x chip reset complete (cold)\n");
+
+ return 0;
+}
+
+static int ath10k_pci_qca6174_chip_reset(struct ath10k *ar)
+{
+ int ret;
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset\n");
+
+ /* FIXME: QCA6174 requires cold + warm reset to work. */
+
+ ret = ath10k_pci_cold_reset(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to cold reset: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_pci_wait_for_target_init(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = ath10k_pci_warm_reset(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to warm reset: %d\n", ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset complete (cold)\n");
return 0;
}
+static int ath10k_pci_chip_reset(struct ath10k *ar)
+{
+ if (QCA_REV_988X(ar))
+ return ath10k_pci_qca988x_chip_reset(ar);
+ else if (QCA_REV_6174(ar))
+ return ath10k_pci_qca6174_chip_reset(ar);
+ else
+ return -ENOTSUPP;
+}
+
static int ath10k_pci_hif_power_up(struct ath10k *ar)
{
int ret;
*/
ret = ath10k_pci_chip_reset(ar);
if (ret) {
+ if (ath10k_pci_has_fw_crashed(ar)) {
+ ath10k_warn(ar, "firmware crashed during chip reset\n");
+ ath10k_pci_fw_crashed_clear(ar);
+ ath10k_pci_fw_crashed_dump(ar);
+ }
+
ath10k_err(ar, "failed to reset chip: %d\n", ret);
goto err_sleep;
}
/* Currently hif_power_up performs effectively a reset and hif_stop
* resets the chip as well so there's no point in resetting here.
*/
-
- ath10k_pci_sleep(ar);
}
#ifdef CONFIG_PM
-#define ATH10K_PCI_PM_CONTROL 0x44
-
static int ath10k_pci_hif_suspend(struct ath10k *ar)
{
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- struct pci_dev *pdev = ar_pci->pdev;
- u32 val;
-
- pci_read_config_dword(pdev, ATH10K_PCI_PM_CONTROL, &val);
-
- if ((val & 0x000000ff) != 0x3) {
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_write_config_dword(pdev, ATH10K_PCI_PM_CONTROL,
- (val & 0xffffff00) | 0x03);
- }
+ ath10k_pci_sleep(ar);
return 0;
}
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct pci_dev *pdev = ar_pci->pdev;
u32 val;
+ int ret;
- pci_read_config_dword(pdev, ATH10K_PCI_PM_CONTROL, &val);
-
- if ((val & 0x000000ff) != 0) {
- pci_restore_state(pdev);
- pci_write_config_dword(pdev, ATH10K_PCI_PM_CONTROL,
- val & 0xffffff00);
- /*
- * Suspend/Resume resets the PCI configuration space,
- * so we have to re-disable the RETRY_TIMEOUT register (0x41)
- * to keep PCI Tx retries from interfering with C3 CPU state
- */
- pci_read_config_dword(pdev, 0x40, &val);
-
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+ ret = ath10k_pci_wake(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to wake device up on resume: %d\n", ret);
+ return ret;
}
- return 0;
+ /* Suspend/Resume resets the PCI configuration space, so we have to
+ * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
+ * from interfering with C3 CPU state. pci_restore_state won't help
+ * here since it only restores the first 64 bytes pci config header.
+ */
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ return ret;
}
#endif
return;
}
+ ath10k_pci_irq_disable(ar);
ath10k_pci_fw_crashed_clear(ar);
ath10k_pci_fw_crashed_dump(ar);
}
{
struct ath10k *ar = arg;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ int ret;
+
+ ret = ath10k_pci_wake(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to wake device up on irq: %d\n", ret);
+ return IRQ_NONE;
+ }
if (ar_pci->num_msi_intrs == 0) {
if (!ath10k_pci_irq_pending(ar))
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
if (ath10k_pci_has_fw_crashed(ar)) {
+ ath10k_pci_irq_disable(ar);
ath10k_pci_fw_crashed_clear(ar);
ath10k_pci_fw_crashed_dump(ar);
return;
if (val & FW_IND_EVENT_PENDING) {
ath10k_warn(ar, "device has crashed during init\n");
- ath10k_pci_fw_crashed_clear(ar);
- ath10k_pci_fw_crashed_dump(ar);
return -ECOMM;
}
pci_disable_device(pdev);
}
+static bool ath10k_pci_chip_is_supported(u32 dev_id, u32 chip_id)
+{
+ const struct ath10k_pci_supp_chip *supp_chip;
+ int i;
+ u32 rev_id = MS(chip_id, SOC_CHIP_ID_REV);
+
+ for (i = 0; i < ARRAY_SIZE(ath10k_pci_supp_chips); i++) {
+ supp_chip = &ath10k_pci_supp_chips[i];
+
+ if (supp_chip->dev_id == dev_id &&
+ supp_chip->rev_id == rev_id)
+ return true;
+ }
+
+ return false;
+}
+
static int ath10k_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_dev)
{
int ret = 0;
struct ath10k *ar;
struct ath10k_pci *ar_pci;
+ enum ath10k_hw_rev hw_rev;
u32 chip_id;
- ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev,
- ATH10K_BUS_PCI,
- &ath10k_pci_hif_ops);
+ switch (pci_dev->device) {
+ case QCA988X_2_0_DEVICE_ID:
+ hw_rev = ATH10K_HW_QCA988X;
+ break;
+ case QCA6174_2_1_DEVICE_ID:
+ hw_rev = ATH10K_HW_QCA6174;
+ break;
+ default:
+ WARN_ON(1);
+ return -ENOTSUPP;
+ }
+
+ ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev, ATH10K_BUS_PCI,
+ hw_rev, &ath10k_pci_hif_ops);
if (!ar) {
dev_err(&pdev->dev, "failed to allocate core\n");
return -ENOMEM;
ar_pci->dev = &pdev->dev;
ar_pci->ar = ar;
+ if (pdev->subsystem_vendor || pdev->subsystem_device)
+ scnprintf(ar->spec_board_id, sizeof(ar->spec_board_id),
+ "%04x:%04x:%04x:%04x",
+ pdev->vendor, pdev->device,
+ pdev->subsystem_vendor, pdev->subsystem_device);
+
spin_lock_init(&ar_pci->ce_lock);
setup_timer(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry,
(unsigned long)ar);
goto err_release;
}
- chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
- if (chip_id == 0xffffffff) {
- ath10k_err(ar, "failed to get chip id\n");
- goto err_sleep;
- }
-
ret = ath10k_pci_alloc_pipes(ar);
if (ret) {
ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
goto err_deinit_irq;
}
- ath10k_pci_sleep(ar);
+ ret = ath10k_pci_chip_reset(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to reset chip: %d\n", ret);
+ goto err_free_irq;
+ }
+
+ chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
+ if (chip_id == 0xffffffff) {
+ ath10k_err(ar, "failed to get chip id\n");
+ goto err_free_irq;
+ }
+
+ if (!ath10k_pci_chip_is_supported(pdev->device, chip_id)) {
+ ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
+ pdev->device, chip_id);
+ goto err_free_irq;
+ }
ret = ath10k_core_register(ar, chip_id);
if (ret) {
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Driver support for Atheros QCA988X PCIe devices");
MODULE_LICENSE("Dual BSD/GPL");
+
+/* QCA988x 2.0 firmware files */
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_FW_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API2_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API3_FILE);
+MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API4_FILE);
+MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API5_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_BOARD_DATA_FILE);
+
+/* QCA6174 2.1 firmware files */
+MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API4_FILE);
+MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" QCA6174_HW_2_1_BOARD_DATA_FILE);
+
+/* QCA6174 3.1 firmware files */
+MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API4_FILE);
+MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" QCA6174_HW_3_0_BOARD_DATA_FILE);
projects / deliverable / linux.git / blobdiff