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ath10k: add resource init and deinit for WCN3990
Add methods for resource(memory, irq, HOST CE config) initialization and de-initialization for WCN3990 target. WCN3990 target uses 12 copy engine and following CE config. [CE0] :host->target control and raw streams [CE1] :target->host HTT [CE2] :target->host WMI [CE3] :host->target WMI [CE4] :host->target HTT [CE5] :reserved [CE6] :Target autonomous HIF_memcpy [CE7] :reserved [CE8] :reserved [CE9] :target->host HTT [CE10] :target->host HTT [CE11] :target -> host PKTLOG Signed-off-by: Govind Singh <govinds@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Govind Singh
Kalle Valo
parent
17f5559e0d
commit
c963a683e7
@ -24,12 +24,135 @@
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#define WCN3990_CE_ATTR_FLAGS 0
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static char *const ce_name[] = {
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"WLAN_CE_0",
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"WLAN_CE_1",
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"WLAN_CE_2",
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"WLAN_CE_3",
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"WLAN_CE_4",
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"WLAN_CE_5",
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"WLAN_CE_6",
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"WLAN_CE_7",
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"WLAN_CE_8",
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"WLAN_CE_9",
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"WLAN_CE_10",
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"WLAN_CE_11",
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};
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static const struct ath10k_snoc_drv_priv drv_priv = {
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.hw_rev = ATH10K_HW_WCN3990,
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.dma_mask = DMA_BIT_MASK(37),
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};
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static struct ce_attr host_ce_config_wlan[] = {
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/* CE0: host->target HTC control streams */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 16,
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.src_sz_max = 2048,
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.dest_nentries = 0,
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.send_cb = NULL,
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},
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/* CE1: target->host HTT + HTC control */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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},
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/* CE2: target->host WMI */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 64,
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.recv_cb = NULL,
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},
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/* CE3: host->target WMI */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 32,
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.src_sz_max = 2048,
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.dest_nentries = 0,
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.send_cb = NULL,
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},
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/* CE4: host->target HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS | CE_ATTR_DIS_INTR,
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.src_nentries = 256,
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.src_sz_max = 256,
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.dest_nentries = 0,
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.send_cb = NULL,
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},
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/* CE5: target->host HTT (ipa_uc->target ) */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 512,
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.dest_nentries = 512,
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.recv_cb = NULL,
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},
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/* CE6: target autonomous hif_memcpy */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 0,
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.dest_nentries = 0,
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},
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/* CE7: ce_diag, the Diagnostic Window */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 2,
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.src_sz_max = 2048,
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.dest_nentries = 2,
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},
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/* CE8: Target to uMC */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 128,
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},
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/* CE9 target->host HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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},
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/* CE10: target->host HTT */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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},
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/* CE11: target -> host PKTLOG */
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{
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.flags = WCN3990_CE_ATTR_FLAGS,
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.src_nentries = 0,
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.src_sz_max = 2048,
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.dest_nentries = 512,
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.recv_cb = NULL,
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},
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};
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void ath10k_snoc_write32(struct ath10k *ar, u32 offset, u32 value)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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@ -57,6 +180,119 @@ static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {
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.write32 = ath10k_snoc_write32,
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};
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static irqreturn_t ath10k_snoc_per_engine_handler(int irq, void *arg)
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{
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return IRQ_HANDLED;
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}
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static int ath10k_snoc_request_irq(struct ath10k *ar)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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int irqflags = IRQF_TRIGGER_RISING;
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int ret, id;
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for (id = 0; id < CE_COUNT_MAX; id++) {
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ret = request_irq(ar_snoc->ce_irqs[id].irq_line,
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ath10k_snoc_per_engine_handler,
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irqflags, ce_name[id], ar);
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if (ret) {
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ath10k_err(ar,
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"failed to register IRQ handler for CE %d: %d",
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id, ret);
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goto err_irq;
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}
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}
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return 0;
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err_irq:
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for (id -= 1; id >= 0; id--)
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free_irq(ar_snoc->ce_irqs[id].irq_line, ar);
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return ret;
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}
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static void ath10k_snoc_free_irq(struct ath10k *ar)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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int id;
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for (id = 0; id < CE_COUNT_MAX; id++)
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free_irq(ar_snoc->ce_irqs[id].irq_line, ar);
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}
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static int ath10k_snoc_resource_init(struct ath10k *ar)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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struct platform_device *pdev;
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struct resource *res;
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int i, ret = 0;
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pdev = ar_snoc->dev;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "membase");
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if (!res) {
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ath10k_err(ar, "Memory base not found in DT\n");
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return -EINVAL;
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}
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ar_snoc->mem_pa = res->start;
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ar_snoc->mem = devm_ioremap(&pdev->dev, ar_snoc->mem_pa,
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resource_size(res));
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if (!ar_snoc->mem) {
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ath10k_err(ar, "Memory base ioremap failed with physical address %pa\n",
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&ar_snoc->mem_pa);
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return -EINVAL;
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}
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for (i = 0; i < CE_COUNT; i++) {
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res = platform_get_resource(ar_snoc->dev, IORESOURCE_IRQ, i);
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if (!res) {
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ath10k_err(ar, "failed to get IRQ%d\n", i);
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ret = -ENODEV;
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goto out;
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}
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ar_snoc->ce_irqs[i].irq_line = res->start;
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}
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out:
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return ret;
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}
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static int ath10k_snoc_setup_resource(struct ath10k *ar)
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{
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struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
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struct ath10k_ce *ce = ath10k_ce_priv(ar);
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struct ath10k_snoc_pipe *pipe;
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int i, ret;
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spin_lock_init(&ce->ce_lock);
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for (i = 0; i < CE_COUNT; i++) {
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pipe = &ar_snoc->pipe_info[i];
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pipe->ce_hdl = &ce->ce_states[i];
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pipe->pipe_num = i;
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pipe->hif_ce_state = ar;
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ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]);
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if (ret) {
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ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
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i, ret);
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return ret;
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}
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pipe->buf_sz = host_ce_config_wlan[i].src_sz_max;
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}
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return 0;
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}
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static void ath10k_snoc_release_resource(struct ath10k *ar)
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{
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int i;
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for (i = 0; i < CE_COUNT; i++)
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ath10k_ce_free_pipe(ar, i);
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}
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static const struct of_device_id ath10k_snoc_dt_match[] = {
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{ .compatible = "qcom,wcn3990-wifi",
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.data = &drv_priv,
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@ -103,9 +339,41 @@ static int ath10k_snoc_probe(struct platform_device *pdev)
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ar_snoc->ce.bus_ops = &ath10k_snoc_bus_ops;
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ar->ce_priv = &ar_snoc->ce;
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ath10k_snoc_resource_init(ar);
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if (ret) {
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ath10k_warn(ar, "failed to initialize resource: %d\n", ret);
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goto err_core_destroy;
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}
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ath10k_snoc_setup_resource(ar);
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if (ret) {
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ath10k_warn(ar, "failed to setup resource: %d\n", ret);
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goto err_core_destroy;
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}
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ret = ath10k_snoc_request_irq(ar);
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if (ret) {
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ath10k_warn(ar, "failed to request irqs: %d\n", ret);
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goto err_release_resource;
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}
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ret = ath10k_core_register(ar, drv_data->hw_rev);
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if (ret) {
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ath10k_err(ar, "failed to register driver core: %d\n", ret);
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goto err_free_irq;
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}
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ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc probe\n");
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ath10k_warn(ar, "Warning: SNOC support is still work-in-progress, it will not work properly!");
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return 0;
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err_free_irq:
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ath10k_snoc_free_irq(ar);
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err_release_resource:
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ath10k_snoc_release_resource(ar);
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err_core_destroy:
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ath10k_core_destroy(ar);
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return ret;
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}
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@ -114,6 +382,9 @@ static int ath10k_snoc_remove(struct platform_device *pdev)
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struct ath10k *ar = platform_get_drvdata(pdev);
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ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc remove\n");
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ath10k_core_unregister(ar);
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ath10k_snoc_free_irq(ar);
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ath10k_snoc_release_resource(ar);
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ath10k_core_destroy(ar);
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return 0;
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