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From: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
To: Mark Brown <broonie@kernel.org>
Cc: gregkh@linuxfoundation.org, rafael@kernel.org,
	linux-kernel@vger.kernel.org, heikki.haikola@fi.rohmeurope.com,
	mikko.mutanen@fi.rohmeurope.com, mazziesaccount@gmail.com,
	matti.vaittinen@fi.rohmeurope.com
Subject: Re: [RFC] regmap-irq: add "main register" and level-irq support
Date: Mon, 17 Dec 2018 10:30:35 +0200	[thread overview]
Message-ID: <20181217083035.GB2477@localhost.localdomain> (raw)
In-Reply-To: <20181217081912.GA2477@localhost.localdomain>

On Mon, Dec 17, 2018 at 10:19:12AM +0200, Matti Vaittinen wrote:
> Hello Mark & All,
> 
> On Fri, Dec 14, 2018 at 05:26:19PM +0000, Mark Brown wrote:
> > On Fri, Dec 14, 2018 at 03:58:19PM +0200, Matti Vaittinen wrote:
> > > On Fri, Dec 07, 2018 at 01:14:18PM +0000, Mark Brown wrote:
> > 
> > > I could send an example on how the driver utilizing the original RFC
> > > interface would look like. I am starting to think it was not *that* bad
> > > after all...
> > 
> > That might help, yes.
> > 
> This is what I came up with. I think having the simple mapping arrays
> (bitX_offsets) and REGMAP_IRQ_MAIN_REG_OFFSET macro makes this
> not-so-bad :) I will also send an example on how this would look like
> with the RFC v2 interface.

I decided to go with diff between RFC v1 and RFC v2 driver interfaces:

diff --git a/drivers/mfd/rohm-bd70528.c b/drivers/mfd/rohm-bd70528.c
index b270cdad1db6..abb0cff8d1c2 100644
--- a/drivers/mfd/rohm-bd70528.c
+++ b/drivers/mfd/rohm-bd70528.c
@@ -41,92 +41,114 @@ static struct regmap_config bd70528_regmap = {
 	.max_register = BD70528_MAX_REGISTER,
 	.cache_type = REGCACHE_RBTREE,
 };
-/* bit [0] - Shutdown register */
-unsigned int bit0_offsets[] = {0};
-/* bit [1] - Power failure register */
-unsigned int bit1_offsets[] = {1};
-/* bit [2] - VR FAULT register */
-unsigned int bit2_offsets[] = {2};
-/* bit [3] - PMU register interrupts */
-unsigned int bit3_offsets[] = {3};
-/* bit [4] - Charger 1 and Charger 2 registers */
-unsigned int bit4_offsets[] = {4,5};
-/* bit [5] - RTC register */
-unsigned int bit5_offsets[] = {6};
-/* bit [6] - GPIO register */
-unsigned int bit6_offsets[] = {7};
-/* bit [7] - Invalid operation register */
-unsigned int bit7_offsets[] = {8};
-
-static struct regmap_irq_sub_irq_map bd70528_sub_irq_offsets[] = {
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit5_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit6_offsets),
-	REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
-};
 
 static struct regmap_irq bd70528_irqs[] = {
-	REGMAP_IRQ_REG(BD70528_INT_LONGPUSH, 0, BD70528_INT_LONGPUSH_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_WDT, 0, BD70528_INT_WDT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_HWRESET, 0, BD70528_INT_HWRESET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_RSTB_FAULT, 0, BD70528_INT_RSTB_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_VBAT_UVLO, 0, BD70528_INT_VBAT_UVLO_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_TSD, 0, BD70528_INT_TSD_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_RSTIN, 0, BD70528_INT_RSTIN_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK1_FAULT, 1, BD70528_INT_BUCK1_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK2_FAULT, 1, BD70528_INT_BUCK2_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK3_FAULT, 1, BD70528_INT_BUCK3_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LDO1_FAULT, 1, BD70528_INT_LDO1_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LDO2_FAULT, 1, BD70528_INT_LDO2_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LDO3_FAULT, 1, BD70528_INT_LDO3_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED1_FAULT, 1, BD70528_INT_LED1_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED2_FAULT, 1, BD70528_INT_LED2_FAULT_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK1_OCP, 2, BD70528_INT_BUCK1_OCP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK2_OCP, 2, BD70528_INT_BUCK2_OCP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK3_OCP, 2, BD70528_INT_BUCK3_OCP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED1_OCP, 2, BD70528_INT_LED1_OCP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED2_OCP, 2, BD70528_INT_LED2_OCP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK1_FULLON, 2, BD70528_INT_BUCK1_FULLON_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK2_FULLON, 2, BD70528_INT_BUCK2_FULLON_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_SHORTPUSH, 3, BD70528_INT_SHORTPUSH_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_AUTO_WAKEUP, 3, BD70528_INT_AUTO_WAKEUP_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_STATE_CHANGE, 3, BD70528_INT_STATE_CHANGE_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BAT_OV_RES, 4, BD70528_INT_BAT_OV_RES_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BAT_OV_DET, 4, BD70528_INT_BAT_OV_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DBAT_DET, 4, BD70528_INT_DBAT_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BATTSD_COLD_RES, 4, BD70528_INT_BATTSD_COLD_RES_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BATTSD_COLD_DET, 4, BD70528_INT_BATTSD_COLD_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BATTSD_HOT_RES, 4, BD70528_INT_BATTSD_HOT_RES_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BATTSD_HOT_DET, 4, BD70528_INT_BATTSD_HOT_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_CHG_TSD, 4, BD70528_INT_CHG_TSD_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BAT_RMV, 5, BD70528_INT_BAT_RMV_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BAT_DET, 5, BD70528_INT_BAT_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN2_OV_RES, 5, BD70528_INT_DCIN2_OV_RES_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN2_OV_DET, 5, BD70528_INT_DCIN2_OV_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN2_RMV, 5, BD70528_INT_DCIN2_RMV_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN2_DET, 5, BD70528_INT_DCIN2_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN1_RMV, 5, BD70528_INT_DCIN1_RMV_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_DCIN1_DET, 5, BD70528_INT_DCIN1_DET_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_RTC_ALARM, 6, BD70528_INT_RTC_ALARM_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_ELPS_TIM, 6, BD70528_INT_ELPS_TIM_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_GPIO0, 7, BD70528_INT_GPIO0_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_GPIO1, 7, BD70528_INT_GPIO1_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_GPIO2, 7, BD70528_INT_GPIO2_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_GPIO3, 7, BD70528_INT_GPIO3_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK1_DVS_OPFAIL, 8, BD70528_INT_BUCK1_DVS_OPFAIL_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK2_DVS_OPFAIL, 8, BD70528_INT_BUCK2_DVS_OPFAIL_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_BUCK3_DVS_OPFAIL, 8, BD70528_INT_BUCK3_DVS_OPFAIL_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED1_VOLT_OPFAIL, 8, BD70528_INT_LED1_VOLT_OPFAIL_MASK),
-	REGMAP_IRQ_REG(BD70528_INT_LED2_VOLT_OPFAIL, 8, BD70528_INT_LED2_VOLT_OPFAIL_MASK),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LONGPUSH, 0, BD70528_INT_LONGPUSH_MASK,
+			    0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_WDT, 0, BD70528_INT_WDT_MASK, 0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_HWRESET, 0, BD70528_INT_HWRESET_MASK, 0,
+			    1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_RSTB_FAULT, 0,
+			    BD70528_INT_RSTB_FAULT_MASK, 0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_VBAT_UVLO, 0,
+			    BD70528_INT_VBAT_UVLO_MASK, 0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_TSD, 0, BD70528_INT_TSD_MASK, 0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_RSTIN, 0, BD70528_INT_RSTIN_MASK, 0, 1),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK1_FAULT, 1,
+			    BD70528_INT_BUCK1_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK2_FAULT, 1,
+			    BD70528_INT_BUCK2_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK3_FAULT, 1,
+			    BD70528_INT_BUCK3_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LDO1_FAULT, 1,
+			    BD70528_INT_LDO1_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LDO2_FAULT, 1,
+			    BD70528_INT_LDO2_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LDO3_FAULT, 1,
+			    BD70528_INT_LDO3_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED1_FAULT, 1,
+			    BD70528_INT_LED1_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED2_FAULT, 1,
+			    BD70528_INT_LED2_FAULT_MASK, 0, 2),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK1_OCP, 2,
+			    BD70528_INT_BUCK1_OCP_MASK, 0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK2_OCP, 2,
+			    BD70528_INT_BUCK2_OCP_MASK, 0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK3_OCP, 2,
+			    BD70528_INT_BUCK3_OCP_MASK, 0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED1_OCP, 2, BD70528_INT_LED1_OCP_MASK,
+			    0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED2_OCP, 2, BD70528_INT_LED2_OCP_MASK,
+			    0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK1_FULLON, 2,
+			    BD70528_INT_BUCK1_FULLON_MASK, 0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK2_FULLON, 2,
+			    BD70528_INT_BUCK2_FULLON_MASK, 0, 3),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_SHORTPUSH, 3,
+			    BD70528_INT_SHORTPUSH_MASK, 0, 4),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_AUTO_WAKEUP, 3,
+			    BD70528_INT_AUTO_WAKEUP_MASK, 0, 4),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_STATE_CHANGE, 3,
+			    BD70528_INT_STATE_CHANGE_MASK, 0, 4),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BAT_OV_RES, 4,
+			    BD70528_INT_BAT_OV_RES_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BAT_OV_DET, 4,
+			    BD70528_INT_BAT_OV_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DBAT_DET, 4, BD70528_INT_DBAT_DET_MASK,
+			    0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BATTSD_COLD_RES, 4,
+			    BD70528_INT_BATTSD_COLD_RES_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BATTSD_COLD_DET, 4,
+			    BD70528_INT_BATTSD_COLD_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BATTSD_HOT_RES, 4,
+			    BD70528_INT_BATTSD_HOT_RES_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BATTSD_HOT_DET, 4,
+			    BD70528_INT_BATTSD_HOT_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_CHG_TSD, 4,
+			    BD70528_INT_CHG_TSD_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BAT_RMV, 5, BD70528_INT_BAT_RMV_MASK,
+			    0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BAT_DET, 5, BD70528_INT_BAT_DET_MASK, 0,
+			    5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN2_OV_RES, 5,
+			    BD70528_INT_DCIN2_OV_RES_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN2_OV_DET, 5,
+			    BD70528_INT_DCIN2_OV_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN2_RMV, 5,
+			    BD70528_INT_DCIN2_RMV_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN2_DET, 5,
+			    BD70528_INT_DCIN2_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN1_RMV, 5,
+			    BD70528_INT_DCIN1_RMV_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_DCIN1_DET, 5,
+			    BD70528_INT_DCIN1_DET_MASK, 0, 5),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_RTC_ALARM, 6,
+			    BD70528_INT_RTC_ALARM_MASK, 0, 6),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_ELPS_TIM, 6, BD70528_INT_ELPS_TIM_MASK,
+			    0, 6),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_GPIO0, 7, BD70528_INT_GPIO0_MASK, 0, 7),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_GPIO1, 7, BD70528_INT_GPIO1_MASK, 0, 7),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_GPIO2, 7, BD70528_INT_GPIO2_MASK, 0, 7),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_GPIO3, 7, BD70528_INT_GPIO3_MASK, 0, 7),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK1_DVS_OPFAIL, 8,
+			    BD70528_INT_BUCK1_DVS_OPFAIL_MASK, 0, 8),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK2_DVS_OPFAIL, 8,
+			    BD70528_INT_BUCK2_DVS_OPFAIL_MASK, 0, 8),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_BUCK3_DVS_OPFAIL, 8,
+			    BD70528_INT_BUCK3_DVS_OPFAIL_MASK, 0, 8),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED1_VOLT_OPFAIL, 8,
+			    BD70528_INT_LED1_VOLT_OPFAIL_MASK, 0, 8),
+	REGMAP_IRQ_REG_MAIN(BD70528_INT_LED2_VOLT_OPFAIL, 8,
+			    BD70528_INT_LED2_VOLT_OPFAIL_MASK, 0, 8),
+};
+
+static struct regmap_main_status main_irq_reg = {
+	.main_status = BD70528_REG_INT_MAIN,
+	.num_main_regs = 1,
 };
 
 static struct regmap_irq_chip bd70528_irq_chip = {
 	.name = "bd70528_irq",
-	.main_status = BD70528_REG_INT_MAIN,
 	.irqs = &bd70528_irqs[0],
 	.num_irqs = ARRAY_SIZE(bd70528_irqs),
 	.status_base = BD70528_REG_INT_SHDN,
@@ -135,11 +157,9 @@ static struct regmap_irq_chip bd70528_irq_chip = {
 	.type_base = BD70528_GPIO1_IN_REG,
 	.init_ack_masked = true,
 	.num_regs = 9,
-	.num_main_regs = 1,
 	.num_type_reg = 4,
-	.sub_reg_offsets = &bd70528_sub_irq_offsets[0],
-	.num_main_status_bits = 8,
 	.irq_reg_stride = 1,
+	.main_reg = &main_irq_reg,
 };
 
Br,
	Matti Vaittinen

  reply	other threads:[~2018-12-17  8:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-30  8:59 [RFC] regmap-irq: add "main register" and level-irq support Matti Vaittinen
2018-12-04 17:21 ` Mark Brown
2018-12-05  8:22   ` Matti Vaittinen
2018-12-05 17:27     ` Mark Brown
2018-12-07  7:58       ` Matti Vaittinen
2018-12-07 13:14         ` Mark Brown
2018-12-14 13:58           ` Matti Vaittinen
2018-12-14 17:26             ` Mark Brown
2018-12-17  8:19               ` Matti Vaittinen
2018-12-17  8:30                 ` Matti Vaittinen [this message]
2018-12-17 18:50                 ` Mark Brown

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