Commit e6f34184 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Bjorn Andersson
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soc: qcom: icc-bwmon: add per-variant quirks 



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: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: default avatarSteev Klimaszewski <steev@kali.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220728113748.170548-9-krzysztof.kozlowski@linaro.org
parent ec63dcd3

drivers/soc/qcom/icc-bwmon.c

+13 −5
Original line number Diff line number Diff line
@@ -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;
@@ -270,6 +274,7 @@ 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);

	if (bwmon->data->quirks & BWMON_HAS_GLOBAL_IRQ)

		regmap_field_force_write(bwmon->regs[F_GLOBAL_IRQ_CLEAR],

					 BWMON_V4_GLOBAL_IRQ_ENABLE_ENABLE);

}
@@ -277,6 +282,7 @@ static void bwmon_clear_irq(struct icc_bwmon *bwmon) 
static void bwmon_disable(struct icc_bwmon *bwmon)

{

	/* Disable interrupts. Strict ordering, see bwmon_clear_irq(). */

	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);
@@ -290,6 +296,7 @@ static void bwmon_disable(struct icc_bwmon *bwmon) 
static void bwmon_enable(struct icc_bwmon *bwmon, unsigned int irq_enable)

{

	/* Enable interrupts */

	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);
@@ -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,

};