Handle MMC card insertion/removal/readonly signals.

Hook them up to Palm T|E GPIOs.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3471 c046a42c-6fe2-441c-8c8c-71466251a162

4 files changed, 57 insertions, 2 deletions

diff --git a/hw/omap.c b/hw/omap.c
index 9c0e570aea..f8c2073da9 100644
--- a/hw/omap.c
+++ b/hw/omap.c
@@ -2882,7 +2882,9 @@ static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr)
 
     case 0x24:	/* GPIO_INT */
         ret = s->ints;
-        s->ints &= ~s->mask;
+        s->ints &= s->mask;
+        if (ret)
+            qemu_irq_lower(s->irq);
         return ret;
 
     case 0x28:	/* KBD_MASKIT */
diff --git a/hw/omap.h b/hw/omap.h
index 1ebb87aebc..70888698c7 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -470,6 +470,7 @@ struct omap_mmc_s;
 struct omap_mmc_s *omap_mmc_init(target_phys_addr_t base,
                 qemu_irq irq, qemu_irq dma[], omap_clk clk);
 void omap_mmc_reset(struct omap_mmc_s *s);
+void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover);
 
 # define cpu_is_omap310(cpu)		(cpu->mpu_model == omap310)
 # define cpu_is_omap1510(cpu)		(cpu->mpu_model == omap1510)
diff --git a/hw/omap_mmc.c b/hw/omap_mmc.c
index aa77660f28..008318db36 100644
--- a/hw/omap_mmc.c
+++ b/hw/omap_mmc.c
@@ -25,6 +25,7 @@ struct omap_mmc_s {
     target_phys_addr_t base;
     qemu_irq irq;
     qemu_irq *dma;
+    qemu_irq handler[2];
     omap_clk clk;
     SDState *card;
     uint16_t last_cmd;
@@ -506,6 +507,22 @@ void omap_mmc_reset(struct omap_mmc_s *host)
     host->transfer = 0;
 }
 
+static void omap_mmc_ro_cb(void *opaque, int level)
+{
+    struct omap_mmc_s *s = (struct omap_mmc_s *) opaque;
+
+    if (s->handler[0])
+        qemu_set_irq(s->handler[0], level);
+}
+
+static void omap_mmc_cover_cb(void *opaque, int level)
+{
+    struct omap_mmc_s *s = (struct omap_mmc_s *) opaque;
+
+    if (s->handler[1])
+        qemu_set_irq(s->handler[1], level);
+}
+
 struct omap_mmc_s *omap_mmc_init(target_phys_addr_t base,
                 qemu_irq irq, qemu_irq dma[], omap_clk clk)
 {
@@ -525,7 +542,13 @@ struct omap_mmc_s *omap_mmc_init(target_phys_addr_t base,
     /* Instantiate the storage */
     s->card = sd_init(sd_bdrv);
 
+    sd_set_cb(s->card, s, omap_mmc_ro_cb, omap_mmc_cover_cb);
+
     return s;
 }
 
-/* TODO: insertion and read-only handlers */
+void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover)
+{
+    s->handler[0] = ro;
+    s->handler[1] = cover;
+}
diff --git a/hw/palm.c b/hw/palm.c
index ead9cfd453..ba7e47f9f5 100644
--- a/hw/palm.c
+++ b/hw/palm.c
@@ -57,6 +57,24 @@ static CPUWriteMemoryFunc *static_writefn[] = {
 };
 
 /* Palm Tunsgten|E support */
+
+/* Shared GPIOs */
+#define PALMTE_USBDETECT_GPIO	0
+#define PALMTE_USB_OR_DC_GPIO	1
+#define PALMTE_TSC_GPIO		4
+#define PALMTE_PINTDAV_GPIO	6
+#define PALMTE_MMC_WP_GPIO	8
+#define PALMTE_MMC_POWER_GPIO	9
+#define PALMTE_HDQ_GPIO		11
+#define PALMTE_HEADPHONES_GPIO	14
+#define PALMTE_SPEAKER_GPIO	15
+/* MPU private GPIOs */
+#define PALMTE_DC_GPIO		2
+#define PALMTE_MMC_SWITCH_GPIO	4
+#define PALMTE_MMC1_GPIO	6
+#define PALMTE_MMC2_GPIO	7
+#define PALMTE_MMC3_GPIO	11
+
 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
 {
 }
@@ -90,6 +108,14 @@ static void palmte_button_event(void *opaque, int keycode)
                         !(keycode & 0x80));
 }
 
+static void palmte_mmc_cover(void *opaque, int line, int level)
+{
+    struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
+
+    qemu_set_irq(omap_mpuio_in_get(cpu->mpuio)[PALMTE_MMC_SWITCH_GPIO],
+                    !level);
+}
+
 static void palmte_init(int ram_size, int vga_ram_size, int boot_device,
                 DisplayState *ds, const char **fd_filename, int snapshot,
                 const char *kernel_filename, const char *kernel_cmdline,
@@ -132,6 +158,9 @@ static void palmte_init(int ram_size, int vga_ram_size, int boot_device,
 
     qemu_add_kbd_event_handler(palmte_button_event, cpu);
 
+    omap_mmc_handlers(cpu->mmc, 0,
+                    qemu_allocate_irqs(palmte_mmc_cover, cpu, 1)[0]);
+
     /* Setup initial (reset) machine state */
     if (nb_option_roms) {
         rom_size = get_image_size(option_rom[0]);