From fd8208c11ab00085713d0c1f1f83419c3fae2392 Mon Sep 17 00:00:00 2001
From: Paul Brook <paul@codesourcery.com>
Date: Thu, 14 May 2009 22:35:08 +0100
Subject: [PATCH] WM8750 qdev coversion

Signed-off-by: Paul Brook <paul@codesourcery.com>
---
 hw/i2c.h      |  4 +---
 hw/musicpal.c |  7 ++-----
 hw/spitz.c    |  4 ++--
 hw/wm8750.c   | 30 +++++++++++++++++++-----------
 4 files changed, 24 insertions(+), 21 deletions(-)

diff --git a/hw/i2c.h b/hw/i2c.h
index 723dbdc..99e0dbc 100644
--- a/hw/i2c.h
+++ b/hw/i2c.h
@@ -80,9 +80,7 @@ qemu_irq *max7310_gpio_in_get(i2c_slave *i2c);
 void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
 
 /* wm8750.c */
-i2c_slave *wm8750_init(i2c_bus *bus);
-void wm8750_reset(i2c_slave *i2c);
-void wm8750_data_req_set(i2c_slave *i2c,
+void wm8750_data_req_set(DeviceState *dev,
                 void (*data_req)(void *, int, int), void *opaque);
 void wm8750_dac_dat(void *opaque, uint32_t sample);
 uint32_t wm8750_adc_dat(void *opaque);
diff --git a/hw/musicpal.c b/hw/musicpal.c
index 538fb8e..87dda0c 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -235,7 +235,7 @@ typedef struct musicpal_audio_state {
     unsigned int play_pos;
     unsigned int last_free;
     uint32_t clock_div;
-    i2c_slave *wm;
+    DeviceState *wm;
 } musicpal_audio_state;
 
 static void audio_callback(void *opaque, int free_out, int free_in)
@@ -434,10 +434,7 @@ static i2c_interface *musicpal_audio_init(qemu_irq irq)
     i2c->bus = i2c_init_bus();
     i2c->current_addr = -1;
 
-    s->wm = wm8750_init(i2c->bus);
-    if (!s->wm)
-        return NULL;
-    i2c_set_slave_address(s->wm, MP_WM_ADDR);
+    s->wm = i2c_create_slave(i2c->bus, "wm8750", MP_WM_ADDR);
     wm8750_data_req_set(s->wm, audio_callback, s);
 
     iomemtype = cpu_register_io_memory(0, musicpal_audio_readfn,
diff --git a/hw/spitz.c b/hw/spitz.c
index 943302b..f59f39c 100644
--- a/hw/spitz.c
+++ b/hw/spitz.c
@@ -740,10 +740,10 @@ static void spitz_i2c_setup(PXA2xxState *cpu)
     i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
 
 #ifdef HAS_AUDIO
-    i2c_slave *wm;
+    DeviceState *wm;
 
     /* Attach a WM8750 to the bus */
-    wm = wm8750_init(bus);
+    wm = i2c_create_slave(bus, "wm8750", 0);
 
     spitz_wm8750_addr(wm, 0, 0);
     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_WM,
diff --git a/hw/wm8750.c b/hw/wm8750.c
index bb5106d..9f5bd46 100644
--- a/hw/wm8750.c
+++ b/hw/wm8750.c
@@ -259,7 +259,7 @@ static void wm8750_clk_update(WM8750State *s, int ext)
     }
 }
 
-void wm8750_reset(i2c_slave *i2c)
+static void wm8750_reset(i2c_slave *i2c)
 {
     WM8750State *s = (WM8750State *) i2c;
     s->rate = &wm_rate_table[0];
@@ -645,20 +645,14 @@ static int wm8750_load(QEMUFile *f, void *opaque, int version_id)
     return 0;
 }
 
-i2c_slave *wm8750_init(i2c_bus *bus)
+static void wm8750_init(i2c_slave *i2c)
 {
-    WM8750State *s = (WM8750State *)
-            i2c_slave_init(bus, 0, sizeof(WM8750State));
-    s->i2c.event = wm8750_event;
-    s->i2c.recv = wm8750_rx;
-    s->i2c.send = wm8750_tx;
+    WM8750State *s = FROM_I2C_SLAVE(WM8750State, i2c);
 
     AUD_register_card(CODEC, &s->card);
     wm8750_reset(&s->i2c);
 
     register_savevm(CODEC, -1, 0, wm8750_save, wm8750_load, s);
-
-    return &s->i2c;
 }
 
 #if 0
@@ -671,10 +665,10 @@ static void wm8750_fini(i2c_slave *i2c)
 }
 #endif
 
-void wm8750_data_req_set(i2c_slave *i2c,
+void wm8750_data_req_set(DeviceState *dev,
                 void (*data_req)(void *, int, int), void *opaque)
 {
-    WM8750State *s = (WM8750State *) i2c;
+    WM8750State *s = FROM_I2C_SLAVE(WM8750State, I2C_SLAVE_FROM_QDEV(dev));
     s->data_req = data_req;
     s->opaque = opaque;
 }
@@ -730,3 +724,17 @@ void wm8750_set_bclk_in(void *opaque, int new_hz)
     s->ext_dac_hz = new_hz;
     wm8750_clk_update(s, 1);
 }
+
+static I2CSlaveInfo wm8750_info = {
+    .init = wm8750_init,
+    .event = wm8750_event,
+    .recv = wm8750_rx,
+    .send = wm8750_tx
+};
+
+static void wm8750_register_devices(void)
+{
+    i2c_register_slave("wm8750", sizeof(WM8750State), &wm8750_info);
+}
+
+device_init(wm8750_register_devices)
-- 
2.7.4