BWMON v5 lacks global interrupt registers. Other BWMON versions differ
as well, so add quirks for easier customization of code flow.
Cc: Rajendra Nayak <quic_rjendra@xxxxxxxxxxx>
Cc: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
drivers/soc/qcom/icc-bwmon.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c
index 058c35d8dbbe..2e4a0fdfbf54 100644
--- a/drivers/soc/qcom/icc-bwmon.c
+++ b/drivers/soc/qcom/icc-bwmon.c
@@ -100,6 +100,9 @@
#define BWMON_V4_ZONE_MAX(zone) (0x2e0 + 4 * (zone))
+/* Quirks for specific BWMON types */
+#define BWMON_HAS_GLOBAL_IRQ BIT(0)
+
enum bwmon_fields {
F_GLOBAL_IRQ_CLEAR,
F_GLOBAL_IRQ_ENABLE,
@@ -136,6 +139,7 @@ struct icc_bwmon_data {
unsigned int default_lowbw_kbps;
u8 zone1_thres_count;
u8 zone3_thres_count;
+ unsigned int quirks;
const struct regmap_config *regmap_cfg;
const struct reg_field *regmap_fields;
@@ -270,14 +274,16 @@ static void bwmon_clear_irq(struct icc_bwmon *bwmon)
* interrupt is cleared.
*/
regmap_field_force_write(bwmon->regs[F_IRQ_CLEAR], BWMON_IRQ_ENABLE_MASK);
- regmap_field_force_write(bwmon->regs[F_GLOBAL_IRQ_CLEAR],
- BWMON_V4_GLOBAL_IRQ_ENABLE_ENABLE);
+ if (bwmon->data->quirks & BWMON_HAS_GLOBAL_IRQ)
+ regmap_field_force_write(bwmon->regs[F_GLOBAL_IRQ_CLEAR],
+ BWMON_V4_GLOBAL_IRQ_ENABLE_ENABLE);
}
static void bwmon_disable(struct icc_bwmon *bwmon)
{
/* Disable interrupts. Strict ordering, see bwmon_clear_irq(). */
- regmap_field_write(bwmon->regs[F_GLOBAL_IRQ_ENABLE], 0x0);
+ if (bwmon->data->quirks & BWMON_HAS_GLOBAL_IRQ)
+ regmap_field_write(bwmon->regs[F_GLOBAL_IRQ_ENABLE], 0x0);
regmap_field_write(bwmon->regs[F_IRQ_ENABLE], 0x0);
/*
@@ -290,8 +296,9 @@ static void bwmon_disable(struct icc_bwmon *bwmon)
static void bwmon_enable(struct icc_bwmon *bwmon, unsigned int irq_enable)
{
/* Enable interrupts */
- regmap_field_write(bwmon->regs[F_GLOBAL_IRQ_ENABLE],
- BWMON_V4_GLOBAL_IRQ_ENABLE_ENABLE);
+ if (bwmon->data->quirks & BWMON_HAS_GLOBAL_IRQ)
+ regmap_field_write(bwmon->regs[F_GLOBAL_IRQ_ENABLE],
+ BWMON_V4_GLOBAL_IRQ_ENABLE_ENABLE);
regmap_field_write(bwmon->regs[F_IRQ_ENABLE], irq_enable);
/* Enable bwmon */
@@ -543,6 +550,7 @@ static const struct icc_bwmon_data msm8998_bwmon_data = {
.default_lowbw_kbps = 0,
.zone1_thres_count = 16,
.zone3_thres_count = 1,
+ .quirks = BWMON_HAS_GLOBAL_IRQ,
.regmap_fields = msm8998_bwmon_reg_fields,
.regmap_cfg = &msm8998_bwmon_regmap_cfg,
};
--
2.34.1
