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-rw-r--r--drivers/net/ipa/ipa_data-sc7180.c4
-rw-r--r--drivers/net/ipa/ipa_data-sdm845.c4
-rw-r--r--drivers/net/ipa/ipa_data.h12
-rw-r--r--drivers/net/ipa/ipa_endpoint.c11
-rw-r--r--drivers/net/ipa/ipa_main.c121
-rw-r--r--drivers/net/ipa/ipa_mem.c2
-rw-r--r--drivers/net/ipa/ipa_reg.h48
7 files changed, 136 insertions, 66 deletions
diff --git a/drivers/net/ipa/ipa_data-sc7180.c b/drivers/net/ipa/ipa_data-sc7180.c
index d4c2bc7ad24b..37dada4da680 100644
--- a/drivers/net/ipa/ipa_data-sc7180.c
+++ b/drivers/net/ipa/ipa_data-sc7180.c
@@ -24,6 +24,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_DMA_ONLY,
.config = {
+ .resource_group = 0,
.dma_mode = true,
.dma_endpoint = IPA_ENDPOINT_AP_LAN_RX,
},
@@ -42,6 +43,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_INVALID,
.config = {
+ .resource_group = 0,
.aggregation = true,
.status_enable = true,
.rx = {
@@ -65,6 +67,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.seq_type =
IPA_SEQ_PKT_PROCESS_NO_DEC_NO_UCP_DMAP,
.config = {
+ .resource_group = 0,
.checksum = true,
.qmap = true,
.status_enable = true,
@@ -88,6 +91,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_INVALID,
.config = {
+ .resource_group = 0,
.checksum = true,
.qmap = true,
.aggregation = true,
diff --git a/drivers/net/ipa/ipa_data-sdm845.c b/drivers/net/ipa/ipa_data-sdm845.c
index de2768d71ab5..a9a992404b39 100644
--- a/drivers/net/ipa/ipa_data-sdm845.c
+++ b/drivers/net/ipa/ipa_data-sdm845.c
@@ -26,6 +26,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_DMA_ONLY,
.config = {
+ .resource_group = 1,
.dma_mode = true,
.dma_endpoint = IPA_ENDPOINT_AP_LAN_RX,
},
@@ -44,6 +45,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_INVALID,
.config = {
+ .resource_group = 1,
.aggregation = true,
.status_enable = true,
.rx = {
@@ -67,6 +69,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.seq_type =
IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP,
.config = {
+ .resource_group = 1,
.checksum = true,
.qmap = true,
.status_enable = true,
@@ -90,6 +93,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.endpoint = {
.seq_type = IPA_SEQ_INVALID,
.config = {
+ .resource_group = 1,
.checksum = true,
.qmap = true,
.aggregation = true,
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 7fc1058a5ca9..0225d81d8502 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -45,10 +45,10 @@
* the IPA endpoint.
*/
-/* The maximum value returned by ipa_resource_group_count() */
-#define IPA_RESOURCE_GROUP_COUNT 4
+/* The maximum value returned by ipa_resource_group_{src,dst}_count() */
+#define IPA_RESOURCE_GROUP_SRC_MAX 4
+#define IPA_RESOURCE_GROUP_DST_MAX 4
-/** enum ipa_resource_type_src - source resource types */
/**
* struct gsi_channel_data - GSI channel configuration data
* @tre_count: number of TREs in the channel ring
@@ -109,6 +109,7 @@ struct ipa_endpoint_rx_data {
/**
* struct ipa_endpoint_config_data - IPA endpoint hardware configuration
+ * @resource_group: resource group to assign endpoint to
* @checksum: whether checksum offload is enabled
* @qmap: whether endpoint uses QMAP protocol
* @aggregation: whether endpoint supports aggregation
@@ -119,6 +120,7 @@ struct ipa_endpoint_rx_data {
* @rx: RX-specific endpoint information (see above)
*/
struct ipa_endpoint_config_data {
+ u32 resource_group;
bool checksum;
bool qmap;
bool aggregation;
@@ -206,7 +208,7 @@ struct ipa_resource_limits {
*/
struct ipa_resource_src {
enum ipa_resource_type_src type;
- struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_COUNT];
+ struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_SRC_MAX];
};
/**
@@ -216,7 +218,7 @@ struct ipa_resource_src {
*/
struct ipa_resource_dst {
enum ipa_resource_type_dst type;
- struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_COUNT];
+ struct ipa_resource_limits limits[IPA_RESOURCE_GROUP_DST_MAX];
};
/**
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index b40b711cf4bd..7386e10615d9 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -751,6 +751,16 @@ static void ipa_endpoint_init_deaggr(struct ipa_endpoint *endpoint)
iowrite32(val, endpoint->ipa->reg_virt + offset);
}
+static void ipa_endpoint_init_rsrc_grp(struct ipa_endpoint *endpoint)
+{
+ u32 offset = IPA_REG_ENDP_INIT_RSRC_GRP_N_OFFSET(endpoint->endpoint_id);
+ struct ipa *ipa = endpoint->ipa;
+ u32 val;
+
+ val = rsrc_grp_encoded(ipa->version, endpoint->data->resource_group);
+ iowrite32(val, ipa->reg_virt + offset);
+}
+
static void ipa_endpoint_init_seq(struct ipa_endpoint *endpoint)
{
u32 offset = IPA_REG_ENDP_INIT_SEQ_N_OFFSET(endpoint->endpoint_id);
@@ -1328,6 +1338,7 @@ static void ipa_endpoint_program(struct ipa_endpoint *endpoint)
ipa_endpoint_init_mode(endpoint);
ipa_endpoint_init_aggr(endpoint);
ipa_endpoint_init_deaggr(endpoint);
+ ipa_endpoint_init_rsrc_grp(endpoint);
ipa_endpoint_init_seq(endpoint);
ipa_endpoint_status(endpoint);
}
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index cd4d993b0bbb..f4dd14d9550f 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -363,52 +363,41 @@ static void ipa_hardware_deconfig(struct ipa *ipa)
#ifdef IPA_VALIDATION
-/* # IPA resources used based on version (see IPA_RESOURCE_GROUP_COUNT) */
-static int ipa_resource_group_count(struct ipa *ipa)
-{
- switch (ipa->version) {
- case IPA_VERSION_3_5_1:
- return 3;
-
- case IPA_VERSION_4_0:
- case IPA_VERSION_4_1:
- return 4;
-
- case IPA_VERSION_4_2:
- return 1;
-
- default:
- return 0;
- }
-}
-
static bool ipa_resource_limits_valid(struct ipa *ipa,
const struct ipa_resource_data *data)
{
- u32 group_count = ipa_resource_group_count(ipa);
+ u32 group_count;
u32 i;
u32 j;
- if (!group_count)
+ /* We program at most 6 source or destination resource group limits */
+ BUILD_BUG_ON(IPA_RESOURCE_GROUP_SRC_MAX > 6);
+
+ group_count = ipa_resource_group_src_count(ipa->version);
+ if (!group_count || group_count > IPA_RESOURCE_GROUP_SRC_MAX)
return false;
- /* Return an error if a non-zero resource group limit is specified
- * for a resource not supported by hardware.
+ /* Return an error if a non-zero resource limit is specified
+ * for a resource group not supported by hardware.
*/
for (i = 0; i < data->resource_src_count; i++) {
const struct ipa_resource_src *resource;
resource = &data->resource_src[i];
- for (j = group_count; j < IPA_RESOURCE_GROUP_COUNT; j++)
+ for (j = group_count; j < IPA_RESOURCE_GROUP_SRC_MAX; j++)
if (resource->limits[j].min || resource->limits[j].max)
return false;
}
+ group_count = ipa_resource_group_dst_count(ipa->version);
+ if (!group_count || group_count > IPA_RESOURCE_GROUP_DST_MAX)
+ return false;
+
for (i = 0; i < data->resource_dst_count; i++) {
const struct ipa_resource_dst *resource;
resource = &data->resource_dst[i];
- for (j = group_count; j < IPA_RESOURCE_GROUP_COUNT; j++)
+ for (j = group_count; j < IPA_RESOURCE_GROUP_DST_MAX; j++)
if (resource->limits[j].min || resource->limits[j].max)
return false;
}
@@ -435,46 +424,64 @@ ipa_resource_config_common(struct ipa *ipa, u32 offset,
val = u32_encode_bits(xlimits->min, X_MIN_LIM_FMASK);
val |= u32_encode_bits(xlimits->max, X_MAX_LIM_FMASK);
- val |= u32_encode_bits(ylimits->min, Y_MIN_LIM_FMASK);
- val |= u32_encode_bits(ylimits->max, Y_MAX_LIM_FMASK);
+ if (ylimits) {
+ val |= u32_encode_bits(ylimits->min, Y_MIN_LIM_FMASK);
+ val |= u32_encode_bits(ylimits->max, Y_MAX_LIM_FMASK);
+ }
iowrite32(val, ipa->reg_virt + offset);
}
-static void ipa_resource_config_src_01(struct ipa *ipa,
- const struct ipa_resource_src *resource)
+static void ipa_resource_config_src(struct ipa *ipa,
+ const struct ipa_resource_src *resource)
{
- u32 offset = IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(resource->type);
+ u32 group_count = ipa_resource_group_src_count(ipa->version);
+ const struct ipa_resource_limits *ylimits;
+ u32 offset;
- ipa_resource_config_common(ipa, offset,
- &resource->limits[0], &resource->limits[1]);
-}
+ offset = IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 1 ? NULL : &resource->limits[1];
+ ipa_resource_config_common(ipa, offset, &resource->limits[0], ylimits);
-static void ipa_resource_config_src_23(struct ipa *ipa,
- const struct ipa_resource_src *resource)
-{
- u32 offset = IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(resource->type);
+ if (group_count < 2)
+ return;
- ipa_resource_config_common(ipa, offset,
- &resource->limits[2], &resource->limits[3]);
-}
+ offset = IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 3 ? NULL : &resource->limits[3];
+ ipa_resource_config_common(ipa, offset, &resource->limits[2], ylimits);
-static void ipa_resource_config_dst_01(struct ipa *ipa,
- const struct ipa_resource_dst *resource)
-{
- u32 offset = IPA_REG_DST_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(resource->type);
+ if (group_count < 4)
+ return;
- ipa_resource_config_common(ipa, offset,
- &resource->limits[0], &resource->limits[1]);
+ offset = IPA_REG_SRC_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 5 ? NULL : &resource->limits[5];
+ ipa_resource_config_common(ipa, offset, &resource->limits[4], ylimits);
}
-static void ipa_resource_config_dst_23(struct ipa *ipa,
- const struct ipa_resource_dst *resource)
+static void ipa_resource_config_dst(struct ipa *ipa,
+ const struct ipa_resource_dst *resource)
{
- u32 offset = IPA_REG_DST_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(resource->type);
+ u32 group_count = ipa_resource_group_dst_count(ipa->version);
+ const struct ipa_resource_limits *ylimits;
+ u32 offset;
+
+ offset = IPA_REG_DST_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 1 ? NULL : &resource->limits[1];
+ ipa_resource_config_common(ipa, offset, &resource->limits[0], ylimits);
+
+ if (group_count < 2)
+ return;
- ipa_resource_config_common(ipa, offset,
- &resource->limits[2], &resource->limits[3]);
+ offset = IPA_REG_DST_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 3 ? NULL : &resource->limits[3];
+ ipa_resource_config_common(ipa, offset, &resource->limits[2], ylimits);
+
+ if (group_count < 4)
+ return;
+
+ offset = IPA_REG_DST_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(resource->type);
+ ylimits = group_count == 5 ? NULL : &resource->limits[5];
+ ipa_resource_config_common(ipa, offset, &resource->limits[4], ylimits);
}
static int
@@ -485,15 +492,11 @@ ipa_resource_config(struct ipa *ipa, const struct ipa_resource_data *data)
if (!ipa_resource_limits_valid(ipa, data))
return -EINVAL;
- for (i = 0; i < data->resource_src_count; i++) {
- ipa_resource_config_src_01(ipa, &data->resource_src[i]);
- ipa_resource_config_src_23(ipa, &data->resource_src[i]);
- }
+ for (i = 0; i < data->resource_src_count; i++)
+ ipa_resource_config_src(ipa, data->resource_src);
- for (i = 0; i < data->resource_dst_count; i++) {
- ipa_resource_config_dst_01(ipa, &data->resource_dst[i]);
- ipa_resource_config_dst_23(ipa, &data->resource_dst[i]);
- }
+ for (i = 0; i < data->resource_dst_count; i++)
+ ipa_resource_config_dst(ipa, data->resource_dst);
return 0;
}
diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index 2d45c444a67f..ecfd1f91fce3 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -89,7 +89,7 @@ int ipa_mem_setup(struct ipa *ipa)
gsi_trans_commit_wait(trans);
/* Tell the hardware where the processing context area is located */
- iowrite32(ipa->mem_offset + offset,
+ iowrite32(ipa->mem_offset + ipa->mem[IPA_MEM_MODEM_PROC_CTX].offset,
ipa->reg_virt + IPA_REG_LOCAL_PKT_PROC_CNTXT_BASE_OFFSET);
return 0;
diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h
index e542598fd775..8eaf5f209627 100644
--- a/drivers/net/ipa/ipa_reg.h
+++ b/drivers/net/ipa/ipa_reg.h
@@ -244,6 +244,43 @@ static inline u32 ipa_reg_idle_indication_cfg_offset(enum ipa_version version)
#define ENTER_IDLE_DEBOUNCE_THRESH_FMASK GENMASK(15, 0)
#define CONST_NON_IDLE_ENABLE_FMASK GENMASK(16, 16)
+/* # IPA source resource groups available based on version */
+static inline u32 ipa_resource_group_src_count(enum ipa_version version)
+{
+ switch (version) {
+ case IPA_VERSION_3_5_1:
+ case IPA_VERSION_4_0:
+ case IPA_VERSION_4_1:
+ return 4;
+
+ case IPA_VERSION_4_2:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+/* # IPA destination resource groups available based on version */
+static inline u32 ipa_resource_group_dst_count(enum ipa_version version)
+{
+ switch (version) {
+ case IPA_VERSION_3_5_1:
+ return 3;
+
+ case IPA_VERSION_4_0:
+ case IPA_VERSION_4_1:
+ return 4;
+
+ case IPA_VERSION_4_2:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+/* Not all of the following are valid (depends on the count, above) */
#define IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \
(0x00000400 + 0x0020 * (rt))
#define IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \
@@ -341,7 +378,16 @@ static inline u32 ipa_reg_idle_indication_cfg_offset(enum ipa_version version)
#define IPA_REG_ENDP_INIT_RSRC_GRP_N_OFFSET(ep) \
(0x00000838 + 0x0070 * (ep))
-#define RSRC_GRP_FMASK GENMASK(1, 0)
+/* Encoded value for RSRC_GRP endpoint register RSRC_GRP field */
+static inline u32 rsrc_grp_encoded(enum ipa_version version, u32 rsrc_grp)
+{
+ switch (version) {
+ case IPA_VERSION_4_2:
+ return u32_encode_bits(rsrc_grp, GENMASK(0, 0));
+ default:
+ return u32_encode_bits(rsrc_grp, GENMASK(1, 0));
+ }
+}
/* Valid only for TX (IPA consumer) endpoints */
#define IPA_REG_ENDP_INIT_SEQ_N_OFFSET(txep) \
generated by cgit (git 2.34.1) at 2025-12-24 19:01:03 +0000