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video: driver: add assert and deassert reset functions

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- Add assert and deassert reset control functions to
  update power off sequence in pineapple chipset
- Rename clock names to match with clock macros

Change-Id: Ic6dc0daac8110597bfcb02cceba94d2b97548723
Signed-off-by: Maheshwar Ajja <quic_majja@quicinc.com>
This commit is contained in:
Deepa Guthyappa Madivalara
2022-11-04 16:56:34 -07:00
parent 6b0dcb4a4f
commit 9db29e4eda
4 changed files with 113 additions and 44 deletions
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4
driver/vidc/inc/resources.h
View File

@@ -205,6 +205,10 @@ struct msm_vidc_resources_ops {
int (*init)(struct msm_vidc_core *core);
int (*reset_bridge)(struct msm_vidc_core *core);
int (*reset_control_assert)(struct msm_vidc_core *core,
const char *name);
int (*reset_control_deassert)(struct msm_vidc_core *core,
const char *name);
int (*gdsc_on)(struct msm_vidc_core *core, const char *name);
int (*gdsc_off)(struct msm_vidc_core *core, const char *name);

59
driver/vidc/src/resources.c
View File

@@ -1285,6 +1285,63 @@ static int __init_resources(struct msm_vidc_core *core)
return rc;
}
static int __reset_control_assert_name(struct msm_vidc_core *core,
const char *name)
{
struct reset_info *rcinfo = NULL;
int rc = 0;
bool found = false;
venus_hfi_for_each_reset_clock(core, rcinfo) {
if (strcmp(rcinfo->name, name))
continue;
found = true;
rc = reset_control_assert(rcinfo->rst);
if (rc)
d_vpr_e("%s: failed to assert reset control (%s), rc = %d\n",
__func__, rcinfo->name, rc);
else
d_vpr_h("%s: assert reset control (%s)\n",
__func__, rcinfo->name);
break;
}
if (!found) {
d_vpr_e("%s: reset control (%s) not found\n", __func__, name);
rc = -EINVAL;
}
return rc;
}
static int __reset_control_deassert_name(struct msm_vidc_core *core,
const char *name)
{
struct reset_info *rcinfo = NULL;
int rc = 0;
bool found = false;
venus_hfi_for_each_reset_clock(core, rcinfo) {
if (strcmp(rcinfo->name, name))
continue;
found = true;
rc = reset_control_deassert(rcinfo->rst);
if (rc)
d_vpr_e("%s: deassert reset control for (%s) failed, rc %d\n",
__func__, rcinfo->name, rc);
else
d_vpr_h("%s: deassert reset control (%s)\n",
__func__, rcinfo->name);
break;
}
if (!found) {
d_vpr_e("%s: reset control (%s) not found\n", __func__, name);
rc = -EINVAL;
}
return rc;
}
static int __reset_control_deassert(struct msm_vidc_core *core)
{
struct reset_info *rcinfo = NULL;
@@ -1353,6 +1410,8 @@ static int __reset_ahb2axi_bridge(struct msm_vidc_core *core)
static const struct msm_vidc_resources_ops res_ops = {
.init = __init_resources,
.reset_bridge = __reset_ahb2axi_bridge,
.reset_control_assert = __reset_control_assert_name,
.reset_control_deassert = __reset_control_deassert_name,
.gdsc_on = __enable_regulator,
.gdsc_off = __disable_regulator,
.gdsc_hw_ctrl = __hand_off_regulators,