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soc: qcom: icc-bwmon: add per-variant quirks

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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@quicinc.com>
Cc: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220728113748.170548-9-krzysztof.kozlowski@linaro.org
This commit is contained in:
Krzysztof Kozlowski 2022-07-28 13:37:45 +02:00 committed by Bjorn Andersson
parent ec63dcd3c8
commit e6f34184dd
1 changed files with 13 additions and 5 deletions
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18
drivers/soc/qcom/icc-bwmon.c
View file

@ -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 */
@ -541,6 +548,7 @@ 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,
};