Stellaris SSI qdev conversion

Signed-off-by: Paul Brook <paul@codesourcery.com>

1 files changed, 35 insertions, 33 deletions

diff --git a/hw/stellaris.c b/hw/stellaris.c
index 2ca1d51951..a50800ff99 100644
--- a/hw/stellaris.c
+++ b/hw/stellaris.c
@@ -8,13 +8,13 @@
  */
 
 #include "sysbus.h"
+#include "ssi.h"
 #include "arm-misc.h"
 #include "primecell.h"
 #include "devices.h"
 #include "qemu-timer.h"
 #include "i2c.h"
 #include "net.h"
-#include "sd.h"
 #include "sysemu.h"
 #include "boards.h"
 
@@ -1196,10 +1196,10 @@ static qemu_irq stellaris_adc_init(uint32_t base, qemu_irq irq)
    0xff commands that occur when deselecting the SD card.  */
 
 typedef struct {
-    ssi_xfer_cb xfer_cb[2];
-    void *opaque[2];
+    SSISlave ssidev;
     qemu_irq irq;
     int current_dev;
+    SSIBus *bus[2];
 } stellaris_ssi_bus_state;
 
 static void stellaris_ssi_bus_select(void *opaque, int irq, int level)
@@ -1209,11 +1209,11 @@ static void stellaris_ssi_bus_select(void *opaque, int irq, int level)
     s->current_dev = level;
 }
 
-static int stellaris_ssi_bus_xfer(void *opaque, int val)
+static uint32_t stellaris_ssi_bus_transfer(SSISlave *dev, uint32_t val)
 {
-    stellaris_ssi_bus_state *s = (stellaris_ssi_bus_state *)opaque;
+    stellaris_ssi_bus_state *s = FROM_SSI_SLAVE(stellaris_ssi_bus_state, dev);
 
-    return s->xfer_cb[s->current_dev](s->opaque[s->current_dev], val);
+    return ssi_transfer(s->bus[s->current_dev], val);
 }
 
 static void stellaris_ssi_bus_save(QEMUFile *f, void *opaque)
@@ -1235,23 +1235,18 @@ static int stellaris_ssi_bus_load(QEMUFile *f, void *opaque, int version_id)
     return 0;
 }
 
-static void *stellaris_ssi_bus_init(qemu_irq *irqp,
-                                    ssi_xfer_cb cb0, void *opaque0,
-                                    ssi_xfer_cb cb1, void *opaque1)
+static void stellaris_ssi_bus_init(SSISlave *dev)
 {
-    qemu_irq *qi;
-    stellaris_ssi_bus_state *s;
-
-    s = (stellaris_ssi_bus_state *)qemu_mallocz(sizeof(stellaris_ssi_bus_state));
-    s->xfer_cb[0] = cb0;
-    s->opaque[0] = opaque0;
-    s->xfer_cb[1] = cb1;
-    s->opaque[1] = opaque1;
-    qi = qemu_allocate_irqs(stellaris_ssi_bus_select, s, 1);
-    *irqp = *qi;
+    stellaris_ssi_bus_state *s = FROM_SSI_SLAVE(stellaris_ssi_bus_state, dev);
+
+    s->bus[0] = ssi_create_bus();
+    qdev_attach_child_bus(&dev->qdev, "ssi0", s->bus[0]);
+    s->bus[1] = ssi_create_bus();
+    qdev_attach_child_bus(&dev->qdev, "ssi1", s->bus[1]);
+    qdev_init_gpio_in(&dev->qdev, stellaris_ssi_bus_select, 1);
+
     register_savevm("stellaris_ssi_bus", -1, 1,
                     stellaris_ssi_bus_save, stellaris_ssi_bus_load, s);
-    return s;
 }
 
 /* Board init.  */
@@ -1338,25 +1333,25 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
         }
     }
     if (board->dc2 & (1 << 4)) {
+        DeviceState *dev;
+        dev = sysbus_create_simple("pl022", 0x40008000, pic[7]);
         if (board->peripherals & BP_OLED_SSI) {
-            void * oled;
-            void * sd;
-            void *ssi_bus;
-            int index;
+            DeviceState *mux;
+            void *bus;
 
-            oled = ssd0323_init(&gpio_out[GPIO_C][7]);
-            index = drive_get_index(IF_SD, 0, 0);
-            sd = ssi_sd_init(drives_table[index].bdrv);
+            bus = qdev_get_child_bus(dev, "ssi");
+            mux = ssi_create_slave(bus, "evb6965-ssi");
+            gpio_out[GPIO_D][0] = qdev_get_gpio_in(mux, 0);
 
-            ssi_bus = stellaris_ssi_bus_init(&gpio_out[GPIO_D][0],
-                                             ssi_sd_xfer, sd,
-                                             ssd0323_xfer_ssi, oled);
+            bus = qdev_get_child_bus(mux, "ssi0");
+            dev = ssi_create_slave(bus, "ssi-sd");
+
+            bus = qdev_get_child_bus(mux, "ssi1");
+            dev = ssi_create_slave(bus, "ssd0323");
+            gpio_out[GPIO_C][7] = qdev_get_gpio_in(dev, 0);
 
-            pl022_init(0x40008000, pic[7], stellaris_ssi_bus_xfer, ssi_bus);
             /* Make sure the select pin is high.  */
             qemu_irq_raise(gpio_out[GPIO_D][0]);
-        } else {
-            pl022_init(0x40008000, pic[7], NULL, NULL);
         }
     }
     if (board->dc4 & (1 << 28)) {
@@ -1413,10 +1408,17 @@ QEMUMachine lm3s6965evb_machine = {
     .init = lm3s6965evb_init,
 };
 
+static SSISlaveInfo stellaris_ssi_bus_info = {
+    .init = stellaris_ssi_bus_init,
+    .transfer = stellaris_ssi_bus_transfer
+};
+
 static void stellaris_register_devices(void)
 {
     sysbus_register_dev("stellaris-i2c", sizeof(stellaris_i2c_state),
                         stellaris_i2c_init);
+    ssi_register_slave("evb6965-ssi", sizeof(stellaris_ssi_bus_state),
+                       &stellaris_ssi_bus_info);
 }
 
 device_init(stellaris_register_devices)