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[PATCH 06/19] irqchip: atmel-aic: introduce register data structure

From Milo Kim <milo.kim@ti.com>
Newsgroups linux.kernel
Subject [PATCH 06/19] irqchip: atmel-aic: introduce register data structure
Date 2016-01-04 05:30 +0100
Message-ID <qN4Wn-6EU-27@gated-at.bofh.it> (permalink)
References <qN4Wl-6EU-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Structure, 'aic_reg_offset' describes for device specific register offset.
Each offset is used for IRQ chip operation. AIC and AIC5 have different
register values, but the structure can be shared.

Please note that this is not complete patch, it's a preceding step for
making unified AIC driver.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Milo Kim <milo.kim@ti.com>
---
 drivers/irqchip/irq-atmel-aic-common.c | 91 ++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c
index 5effd52..f840165 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -24,6 +24,32 @@
 
 #include "irq-atmel-aic-common.h"
 
+#define AT91_AIC_SMR_BASE		0
+#define AT91_AIC_SVR_BASE		0x80
+#define AT91_AIC_IVR			0x100
+#define AT91_AIC_ISR			0x108
+#define AT91_AIC_IECR			0x120
+#define AT91_AIC_IDCR			0x124
+#define AT91_AIC_ICCR			0x128
+#define AT91_AIC_ISCR			0x12c
+#define AT91_AIC_EOICR			0x130
+#define AT91_AIC_SPU			0x134
+#define AT91_AIC_DCR			0x138
+#define AT91_INVALID_OFFSET		(-1)
+
+#define AT91_AIC5_SSR			0x0
+#define AT91_AIC5_SMR			0x4
+#define AT91_AIC5_SVR			0x8
+#define AT91_AIC5_IVR			0x10
+#define AT91_AIC5_ISR			0x18
+#define AT91_AIC5_EOICR			0x38
+#define AT91_AIC5_SPU			0x3c
+#define AT91_AIC5_IECR			0x40
+#define AT91_AIC5_IDCR			0x44
+#define AT91_AIC5_ICCR			0x48
+#define AT91_AIC5_ISCR			0x4c
+#define AT91_AIC5_DCR			0x6c
+
 #define AT91_AIC_PRIOR			GENMASK(2, 0)
 #define AT91_AIC_IRQ_MIN_PRIORITY	0
 #define AT91_AIC_IRQ_MAX_PRIORITY	7
@@ -38,6 +64,71 @@ struct aic_chip_data {
 	u32 ext_irqs;
 };
 
+/**
+ * struct aic_reg_offset
+ *
+ * @eoi:	End of interrupt command register
+ * @smr:	Source mode register
+ * @ssr:	Source select register
+ * @iscr:	Interrupt set command register
+ * @idcr:	Interrupt disable command register
+ * @iccr:	Interrupt clear command register
+ * @iecr:	Interrupt enable command register
+ * @spu:	Spurious interrupt vector register
+ * @dcr:	Debug control register
+ * @svr:	Source vector register
+ * @ivr:	Interrupt vector register
+ * @isr:	Interrupt status register
+ *
+ * Each value means register offset.
+ */
+struct aic_reg_offset {
+	int eoi;
+	int smr;
+	int ssr;
+	int iscr;
+	int idcr;
+	int iccr;
+	int iecr;
+	int spu;
+	int dcr;
+	int svr;
+	int ivr;
+	int isr;
+};
+
+static const struct aic_reg_offset aic_regs = {
+	.eoi	= AT91_AIC_EOICR,
+	.smr	= AT91_AIC_SMR_BASE,
+	.ssr	= AT91_INVALID_OFFSET,	/* No SSR exists */
+	.iscr	= AT91_AIC_ISCR,
+	.idcr	= AT91_AIC_IDCR,
+	.iccr	= AT91_AIC_ICCR,
+	.iecr	= AT91_AIC_IECR,
+	.spu	= AT91_AIC_SPU,
+	.dcr	= AT91_AIC_DCR,
+	.svr	= AT91_AIC_SVR_BASE,
+	.ivr	= AT91_AIC_IVR,
+	.isr	= AT91_AIC_ISR,
+};
+
+static const struct aic_reg_offset aic5_regs = {
+	.eoi	= AT91_AIC5_EOICR,
+	.smr	= AT91_AIC5_SMR,
+	.ssr	= AT91_AIC5_SSR,
+	.iscr	= AT91_AIC5_ISCR,
+	.idcr	= AT91_AIC5_IDCR,
+	.iccr	= AT91_AIC5_ICCR,
+	.iecr	= AT91_AIC5_IECR,
+	.spu	= AT91_AIC5_SPU,
+	.dcr	= AT91_AIC5_DCR,
+	.svr	= AT91_AIC5_SVR,
+	.ivr	= AT91_AIC5_IVR,
+	.isr	= AT91_AIC5_ISR,
+};
+
+static const struct aic_reg_offset *aic_reg_data;
+
 static void aic_common_shutdown(struct irq_data *d)
 {
 	struct irq_chip_type *ct = irq_data_get_chip_type(d);
-- 
2.6.4

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Thread

[PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 07/19] irqchip: atmel-aic: make common IRQ domain translate function Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 09/19] irqchip: atmel-aic: add common retrigger function Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 13/19] irqchip: atmel-aic: clean up irq_chip_generic Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 01/19] irqchip: atmel-aic: fix wrong bit operation for IRQ priority Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
    Re: [PATCH 01/19] irqchip: atmel-aic: fix wrong bit operation for  IRQ priority Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:20 +0100
  [PATCH 17/19] irqchip: atmel-aic: use unified IRQ chip initialization function Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 06/19] irqchip: atmel-aic: introduce register data structure Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
    Re: [PATCH 06/19] irqchip: atmel-aic: introduce register data  structure Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 10:00 +0100
      Re: [PATCH 06/19] irqchip: atmel-aic: introduce register data  structure Milo Kim <milo.kim@ti.com> - 2016-01-06 09:40 +0100
  [PATCH 04/19] irqchip: atmel-aic: replace magic numbers with named constant Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
    Re: [PATCH 04/19] irqchip: atmel-aic: replace magic numbers with  named constant Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:30 +0100
  [PATCH 19/19] irqchip: atmel-aic: rename AIC driver and fix Kconfig Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 11/19] irqchip: atmel-aic: add common PM IRQ chip operation Milo Kim <milo.kim@ti.com> - 2016-01-04 05:30 +0100
  [PATCH 12/19] irqchip: atmel-aic: use EOI register data in aic_reg_data Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
  [PATCH 14/19] irqchip: atmel-aic: add common HW init function Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
  [PATCH 10/19] irqchip: atmel-aic: add common set_type function Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
  [PATCH 08/19] irqchip: atmel-aic: add common mask and unmask functions Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
    Re: [PATCH 08/19] irqchip: atmel-aic: add common mask and unmask  functions Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:50 +0100
  [PATCH 02/19] irqchip: atmel-aic: clean up RTC interrupt code Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
    Re: [PATCH 02/19] irqchip: atmel-aic: clean up RTC interrupt code Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:20 +0100
  [PATCH 05/19] irqchip: atmel-aic: use simple constant to get number of interrupts per chip Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
    Re: [PATCH 05/19] irqchip: atmel-aic: use simple constant to get  number of interrupts per chip Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:40 +0100
  [PATCH 03/19] irqchip: atmel-aic: clean up RTT interrupt code Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
    Re: [PATCH 03/19] irqchip: atmel-aic: clean up RTT interrupt code Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 09:20 +0100
  [PATCH 15/19] irqchip: atmel-aic: add common interrupt handler Milo Kim <milo.kim@ti.com> - 2016-01-04 05:40 +0100
  Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-04 10:10 +0100
    Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Nicolas Ferre <nicolas.ferre@atmel.com> - 2016-01-04 10:40 +0100
      Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Milo Kim <milo.kim@ti.com> - 2016-01-06 09:00 +0100
    Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Milo Kim <milo.kim@ti.com> - 2016-01-06 08:50 +0100
      Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-01-06 10:10 +0100
        Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Jason Cooper <jason@lakedaemon.net> - 2016-01-06 15:50 +0100
        Re: [PATCH 00/19] irqchip: atmel-aic: make unified AIC driver Milo Kim <milo.kim@ti.com> - 2016-01-07 08:50 +0100

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