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authorJonathan Lemon <jonathan.lemon@gmail.com>2022-05-20 00:21:48 +0300
committerJakub Kicinski <kuba@kernel.org>2022-05-24 21:39:54 +0300
commitaa56a7ffc0fb9ad5f754af79ee91ebe9ec96f28d (patch)
tree681df85bc1ea9db6b7756dfbfd6483e532b72b25 /drivers/ptp
parent5a728ac578c07f29d8b36bbd907cdea132c1607d (diff)
downloadlinux-aa56a7ffc0fb9ad5f754af79ee91ebe9ec96f28d.tar.xz
ptp: ocp: parameterize input/output sma selectors
Group the sma input/output tables together and select the correct group from the bp information. This allows adding new groups with different sma mappings. Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_ocp.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index f44269e3d3c8..26f7830388b0 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -321,6 +321,7 @@ struct ptp_ocp {
u64 fw_cap;
struct ptp_ocp_signal signal[4];
struct ptp_ocp_sma_connector sma[4];
+ u8 sma_tbl;
};
#define OCP_REQ_TIMESTAMP BIT(0)
@@ -699,6 +700,10 @@ static struct ocp_selector ptp_ocp_sma_out[] = {
{ }
};
+static struct ocp_selector *ocp_sma_tbl[][2] = {
+ { ptp_ocp_sma_in, ptp_ocp_sma_out },
+};
+
static const char *
ptp_ocp_select_name_from_val(struct ocp_selector *tbl, int val)
{
@@ -2088,35 +2093,35 @@ __handle_signal_inputs(struct ptp_ocp *bp, u32 val)
*/
static ssize_t
-ptp_ocp_show_output(u32 val, char *buf, int def_val)
+ptp_ocp_show_output(struct ocp_selector *tbl, u32 val, char *buf, int def_val)
{
const char *name;
ssize_t count;
count = sysfs_emit(buf, "OUT: ");
- name = ptp_ocp_select_name_from_val(ptp_ocp_sma_out, val);
+ name = ptp_ocp_select_name_from_val(tbl, val);
if (!name)
- name = ptp_ocp_select_name_from_val(ptp_ocp_sma_out, def_val);
+ name = ptp_ocp_select_name_from_val(tbl, def_val);
count += sysfs_emit_at(buf, count, "%s\n", name);
return count;
}
static ssize_t
-ptp_ocp_show_inputs(u32 val, char *buf, int def_val)
+ptp_ocp_show_inputs(struct ocp_selector *tbl, u32 val, char *buf, int def_val)
{
const char *name;
ssize_t count;
int i;
count = sysfs_emit(buf, "IN: ");
- for (i = 0; i < ARRAY_SIZE(ptp_ocp_sma_in); i++) {
- if (val & ptp_ocp_sma_in[i].value) {
- name = ptp_ocp_sma_in[i].name;
+ for (i = 0; tbl[i].name; i++) {
+ if (val & tbl[i].value) {
+ name = tbl[i].name;
count += sysfs_emit_at(buf, count, "%s ", name);
}
}
if (!val && def_val >= 0) {
- name = ptp_ocp_select_name_from_val(ptp_ocp_sma_in, def_val);
+ name = ptp_ocp_select_name_from_val(tbl, def_val);
count += sysfs_emit_at(buf, count, "%s ", name);
}
if (count)
@@ -2126,9 +2131,9 @@ ptp_ocp_show_inputs(u32 val, char *buf, int def_val)
}
static int
-sma_parse_inputs(const char *buf, enum ptp_ocp_sma_mode *mode)
+sma_parse_inputs(struct ocp_selector *tbl[], const char *buf,
+ enum ptp_ocp_sma_mode *mode)
{
- struct ocp_selector *tbl[] = { ptp_ocp_sma_in, ptp_ocp_sma_out };
int idx, count, dir;
char **argv;
int ret;
@@ -2187,17 +2192,20 @@ ptp_ocp_sma_show(struct ptp_ocp *bp, int sma_nr, char *buf,
int default_in_val, int default_out_val)
{
struct ptp_ocp_sma_connector *sma = &bp->sma[sma_nr - 1];
+ struct ocp_selector **tbl;
u32 val;
+ tbl = ocp_sma_tbl[bp->sma_tbl];
+
val = ptp_ocp_sma_get(bp, sma_nr, sma->mode) & SMA_SELECT_MASK;
if (sma->mode == SMA_MODE_IN) {
if (sma->disabled)
val = SMA_DISABLE;
- return ptp_ocp_show_inputs(val, buf, default_in_val);
+ return ptp_ocp_show_inputs(tbl[0], val, buf, default_in_val);
}
- return ptp_ocp_show_output(val, buf, default_out_val);
+ return ptp_ocp_show_output(tbl[1], val, buf, default_out_val);
}
static ssize_t
@@ -2288,7 +2296,7 @@ ptp_ocp_sma_store(struct ptp_ocp *bp, const char *buf, int sma_nr)
int val;
mode = sma->mode;
- val = sma_parse_inputs(buf, &mode);
+ val = sma_parse_inputs(ocp_sma_tbl[bp->sma_tbl], buf, &mode);
if (val < 0)
return val;
@@ -2377,7 +2385,9 @@ static ssize_t
available_sma_inputs_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return ptp_ocp_select_table_show(ptp_ocp_sma_in, buf);
+ struct ptp_ocp *bp = dev_get_drvdata(dev);
+
+ return ptp_ocp_select_table_show(ocp_sma_tbl[bp->sma_tbl][0], buf);
}
static DEVICE_ATTR_RO(available_sma_inputs);
@@ -2385,7 +2395,9 @@ static ssize_t
available_sma_outputs_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return ptp_ocp_select_table_show(ptp_ocp_sma_out, buf);
+ struct ptp_ocp *bp = dev_get_drvdata(dev);
+
+ return ptp_ocp_select_table_show(ocp_sma_tbl[bp->sma_tbl][1], buf);
}
static DEVICE_ATTR_RO(available_sma_outputs);