summaryrefslogtreecommitdiffstats
path: root/drivers/soc/ti/k3-ringacc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/soc/ti/k3-ringacc.c')
-rw-r--r--drivers/soc/ti/k3-ringacc.c98
1 files changed, 46 insertions, 52 deletions
diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c
index 1147dc4c1d59..119164abcb41 100644
--- a/drivers/soc/ti/k3-ringacc.c
+++ b/drivers/soc/ti/k3-ringacc.c
@@ -137,10 +137,12 @@ struct k3_ring_state {
* @elm_size: Size of the ring element
* @mode: Ring mode
* @flags: flags
+ * @state: Ring state
* @ring_id: Ring Id
* @parent: Pointer on struct @k3_ringacc
* @use_count: Use count for shared rings
* @proxy_id: RA Ring Proxy Id (only if @K3_RINGACC_RING_USE_PROXY)
+ * @dma_dev: device to be used for DMA API (allocation, mapping)
*/
struct k3_ring {
struct k3_ring_rt_regs __iomem *rt;
@@ -160,6 +162,7 @@ struct k3_ring {
struct k3_ringacc *parent;
u32 use_count;
int proxy_id;
+ struct device *dma_dev;
};
struct k3_ringacc_ops {
@@ -365,20 +368,16 @@ EXPORT_SYMBOL_GPL(k3_ringacc_request_rings_pair);
static void k3_ringacc_ring_reset_sci(struct k3_ring *ring)
{
+ struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 };
struct k3_ringacc *ringacc = ring->parent;
int ret;
- ret = ringacc->tisci_ring_ops->config(
- ringacc->tisci,
- TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID,
- ringacc->tisci_dev_id,
- ring->ring_id,
- 0,
- 0,
- ring->size,
- 0,
- 0,
- 0);
+ ring_cfg.nav_id = ringacc->tisci_dev_id;
+ ring_cfg.index = ring->ring_id;
+ ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID;
+ ring_cfg.count = ring->size;
+
+ ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg);
if (ret)
dev_err(ringacc->dev, "TISCI reset ring fail (%d) ring_idx %d\n",
ret, ring->ring_id);
@@ -398,20 +397,16 @@ EXPORT_SYMBOL_GPL(k3_ringacc_ring_reset);
static void k3_ringacc_ring_reconfig_qmode_sci(struct k3_ring *ring,
enum k3_ring_mode mode)
{
+ struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 };
struct k3_ringacc *ringacc = ring->parent;
int ret;
- ret = ringacc->tisci_ring_ops->config(
- ringacc->tisci,
- TI_SCI_MSG_VALUE_RM_RING_MODE_VALID,
- ringacc->tisci_dev_id,
- ring->ring_id,
- 0,
- 0,
- 0,
- mode,
- 0,
- 0);
+ ring_cfg.nav_id = ringacc->tisci_dev_id;
+ ring_cfg.index = ring->ring_id;
+ ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_RING_MODE_VALID;
+ ring_cfg.mode = mode;
+
+ ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg);
if (ret)
dev_err(ringacc->dev, "TISCI reconf qmode fail (%d) ring_idx %d\n",
ret, ring->ring_id);
@@ -478,20 +473,15 @@ EXPORT_SYMBOL_GPL(k3_ringacc_ring_reset_dma);
static void k3_ringacc_ring_free_sci(struct k3_ring *ring)
{
+ struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 };
struct k3_ringacc *ringacc = ring->parent;
int ret;
- ret = ringacc->tisci_ring_ops->config(
- ringacc->tisci,
- TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER,
- ringacc->tisci_dev_id,
- ring->ring_id,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0);
+ ring_cfg.nav_id = ringacc->tisci_dev_id;
+ ring_cfg.index = ring->ring_id;
+ ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER;
+
+ ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg);
if (ret)
dev_err(ringacc->dev, "TISCI ring free fail (%d) ring_idx %d\n",
ret, ring->ring_id);
@@ -521,11 +511,12 @@ int k3_ringacc_ring_free(struct k3_ring *ring)
k3_ringacc_ring_free_sci(ring);
- dma_free_coherent(ringacc->dev,
+ dma_free_coherent(ring->dma_dev,
ring->size * (4 << ring->elm_size),
ring->ring_mem_virt, ring->ring_mem_dma);
ring->flags = 0;
ring->ops = NULL;
+ ring->dma_dev = NULL;
if (ring->proxy_id != K3_RINGACC_PROXY_NOT_USED) {
clear_bit(ring->proxy_id, ringacc->proxy_inuse);
ring->proxy = NULL;
@@ -575,28 +566,26 @@ EXPORT_SYMBOL_GPL(k3_ringacc_get_ring_irq_num);
static int k3_ringacc_ring_cfg_sci(struct k3_ring *ring)
{
+ struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 };
struct k3_ringacc *ringacc = ring->parent;
- u32 ring_idx;
int ret;
if (!ringacc->tisci)
return -EINVAL;
- ring_idx = ring->ring_id;
- ret = ringacc->tisci_ring_ops->config(
- ringacc->tisci,
- TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER,
- ringacc->tisci_dev_id,
- ring_idx,
- lower_32_bits(ring->ring_mem_dma),
- upper_32_bits(ring->ring_mem_dma),
- ring->size,
- ring->mode,
- ring->elm_size,
- 0);
+ ring_cfg.nav_id = ringacc->tisci_dev_id;
+ ring_cfg.index = ring->ring_id;
+ ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER;
+ ring_cfg.addr_lo = lower_32_bits(ring->ring_mem_dma);
+ ring_cfg.addr_hi = upper_32_bits(ring->ring_mem_dma);
+ ring_cfg.count = ring->size;
+ ring_cfg.mode = ring->mode;
+ ring_cfg.size = ring->elm_size;
+
+ ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg);
if (ret)
dev_err(ringacc->dev, "TISCI config ring fail (%d) ring_idx %d\n",
- ret, ring_idx);
+ ret, ring->ring_id);
return ret;
}
@@ -648,8 +637,12 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg)
switch (ring->mode) {
case K3_RINGACC_RING_MODE_RING:
ring->ops = &k3_ring_mode_ring_ops;
+ ring->dma_dev = cfg->dma_dev;
+ if (!ring->dma_dev)
+ ring->dma_dev = ringacc->dev;
break;
case K3_RINGACC_RING_MODE_MESSAGE:
+ ring->dma_dev = ringacc->dev;
if (ring->proxy)
ring->ops = &k3_ring_mode_proxy_ops;
else
@@ -661,9 +654,9 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg)
goto err_free_proxy;
}
- ring->ring_mem_virt = dma_alloc_coherent(ringacc->dev,
- ring->size * (4 << ring->elm_size),
- &ring->ring_mem_dma, GFP_KERNEL);
+ ring->ring_mem_virt = dma_alloc_coherent(ring->dma_dev,
+ ring->size * (4 << ring->elm_size),
+ &ring->ring_mem_dma, GFP_KERNEL);
if (!ring->ring_mem_virt) {
dev_err(ringacc->dev, "Failed to alloc ring mem\n");
ret = -ENOMEM;
@@ -684,12 +677,13 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg)
return 0;
err_free_mem:
- dma_free_coherent(ringacc->dev,
+ dma_free_coherent(ring->dma_dev,
ring->size * (4 << ring->elm_size),
ring->ring_mem_virt,
ring->ring_mem_dma);
err_free_ops:
ring->ops = NULL;
+ ring->dma_dev = NULL;
err_free_proxy:
ring->proxy = NULL;
return ret;
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-03 05:50:00 +0100