[PATCH v2 0/2] hw/adc: Add basic Aspeed ADC model

[<pdel@fb.com>]

From: Peter Delevoryas <pdel@fb.com>

v1: https://lore.kernel.org/qemu-devel/20211002214414.2858382-1-pdel@fbc.om/

v2:
- Added summary of changes above signed-off-by in commit message.
- Added #define's for ADC and ADC engine memory region sizes.
- Fixed "From: pdel@fbc.com"

Thanks,
Peter

Andrew Jeffery (2):
  hw/adc: Add basic Aspeed ADC model
  hw/arm: Integrate ADC model into Aspeed SoC

 hw/adc/aspeed_adc.c         | 422 ++++++++++++++++++++++++++++++++++++
 hw/adc/meson.build          |   1 +
 hw/adc/trace-events         |   3 +
 hw/arm/aspeed_ast2600.c     |  11 +
 hw/arm/aspeed_soc.c         |  11 +
 include/hw/adc/aspeed_adc.h |  55 +++++
 include/hw/arm/aspeed_soc.h |   2 +
 7 files changed, 505 insertions(+)
 create mode 100644 hw/adc/aspeed_adc.c
 create mode 100644 include/hw/adc/aspeed_adc.h

Interdiff against v1:
diff --git a/hw/adc/aspeed_adc.c b/hw/adc/aspeed_adc.c
index 8a132ef375..fcd93d6853 100644
--- a/hw/adc/aspeed_adc.c
+++ b/hw/adc/aspeed_adc.c
@@ -17,6 +17,8 @@
 #include "hw/adc/aspeed_adc.h"
 #include "trace.h"
 
+#define ASPEED_ADC_MEMORY_REGION_SIZE           0x1000
+#define ASPEED_ADC_ENGINE_MEMORY_REGION_SIZE    0x100
 #define  ASPEED_ADC_ENGINE_CH_EN_MASK           0xffff0000
 #define   ASPEED_ADC_ENGINE_CH_EN(x)            ((BIT(x)) << 16)
 #define  ASPEED_ADC_ENGINE_INIT                 BIT(8)
@@ -264,7 +266,7 @@ static void aspeed_adc_engine_realize(DeviceState *dev, Error **errp)
     sysbus_init_irq(sbd, &s->irq);
 
     memory_region_init_io(&s->mmio, OBJECT(s), &aspeed_adc_engine_ops, s, name,
-                          0x100);
+                          ASPEED_ADC_ENGINE_MEMORY_REGION_SIZE);
 
     sysbus_init_mmio(sbd, &s->mmio);
 }
@@ -344,7 +346,8 @@ static void aspeed_adc_realize(DeviceState *dev, Error **errp)
 
     sysbus_init_irq(sbd, &s->irq);
 
-    memory_region_init(&s->mmio, OBJECT(s), TYPE_ASPEED_ADC, 0x1000);
+    memory_region_init(&s->mmio, OBJECT(s), TYPE_ASPEED_ADC,
+                       ASPEED_ADC_MEMORY_REGION_SIZE);
 
     sysbus_init_mmio(sbd, &s->mmio);
 
@@ -356,7 +359,9 @@ static void aspeed_adc_realize(DeviceState *dev, Error **errp)
         }
         sysbus_connect_irq(SYS_BUS_DEVICE(eng), 0,
                            qdev_get_gpio_in(DEVICE(sbd), i));
-        memory_region_add_subregion(&s->mmio, i * 0x100, &s->engines[i].mmio);
+        memory_region_add_subregion(&s->mmio,
+                                    i * ASPEED_ADC_ENGINE_MEMORY_REGION_SIZE,
+                                    &s->engines[i].mmio);
     }
 }
 
-- 
2.30.2