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-rw-r--r--hw/spitz.c219
1 files changed, 143 insertions, 76 deletions
diff --git a/hw/spitz.c b/hw/spitz.c
index f59f39c1c6..c902006fc7 100644
--- a/hw/spitz.c
+++ b/hw/spitz.c
@@ -13,6 +13,7 @@
#include "sysemu.h"
#include "pcmcia.h"
#include "i2c.h"
+#include "ssi.h"
#include "flash.h"
#include "qemu-timer.h"
#include "devices.h"
@@ -525,40 +526,50 @@ static void spitz_keyboard_register(PXA2xxState *cpu)
#define LCDTG_PICTRL 0x06
#define LCDTG_POLCTRL 0x07
-static int bl_intensity, bl_power;
+typedef struct {
+ SSISlave ssidev;
+ int bl_intensity;
+ int bl_power;
+} SpitzLCDTG;
-static void spitz_bl_update(PXA2xxState *s)
+static void spitz_bl_update(SpitzLCDTG *s)
{
- if (bl_power && bl_intensity)
- zaurus_printf("LCD Backlight now at %i/63\n", bl_intensity);
+ if (s->bl_power && s->bl_intensity)
+ zaurus_printf("LCD Backlight now at %i/63\n", s->bl_intensity);
else
zaurus_printf("LCD Backlight now off\n");
}
+/* FIXME: Implement GPIO properly and remove this hack. */
+static SpitzLCDTG *spitz_lcdtg;
+
static inline void spitz_bl_bit5(void *opaque, int line, int level)
{
- int prev = bl_intensity;
+ SpitzLCDTG *s = spitz_lcdtg;
+ int prev = s->bl_intensity;
if (level)
- bl_intensity &= ~0x20;
+ s->bl_intensity &= ~0x20;
else
- bl_intensity |= 0x20;
+ s->bl_intensity |= 0x20;
- if (bl_power && prev != bl_intensity)
- spitz_bl_update((PXA2xxState *) opaque);
+ if (s->bl_power && prev != s->bl_intensity)
+ spitz_bl_update(s);
}
static inline void spitz_bl_power(void *opaque, int line, int level)
{
- bl_power = !!level;
- spitz_bl_update((PXA2xxState *) opaque);
+ SpitzLCDTG *s = spitz_lcdtg;
+ s->bl_power = !!level;
+ spitz_bl_update(s);
}
-static void spitz_lcdtg_dac_put(void *opaque, uint8_t cmd)
+static uint32_t spitz_lcdtg_transfer(SSISlave *dev, uint32_t value)
{
- int addr, value;
- addr = cmd >> 5;
- value = cmd & 0x1f;
+ SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
+ int addr;
+ addr = value >> 5;
+ value &= 0x1f;
switch (addr) {
case LCDTG_RESCTL:
@@ -569,16 +580,44 @@ static void spitz_lcdtg_dac_put(void *opaque, uint8_t cmd)
break;
case LCDTG_DUTYCTRL:
- bl_intensity &= ~0x1f;
- bl_intensity |= value;
- if (bl_power)
- spitz_bl_update((PXA2xxState *) opaque);
+ s->bl_intensity &= ~0x1f;
+ s->bl_intensity |= value;
+ if (s->bl_power)
+ spitz_bl_update(s);
break;
case LCDTG_POWERREG0:
/* Set common voltage to M62332FP */
break;
}
+ return 0;
+}
+
+static void spitz_lcdtg_save(QEMUFile *f, void *opaque)
+{
+ SpitzLCDTG *s = (SpitzLCDTG *)opaque;
+ qemu_put_be32(f, s->bl_intensity);
+ qemu_put_be32(f, s->bl_power);
+}
+
+static int spitz_lcdtg_load(QEMUFile *f, void *opaque, int version_id)
+{
+ SpitzLCDTG *s = (SpitzLCDTG *)opaque;
+ s->bl_intensity = qemu_get_be32(f);
+ s->bl_power = qemu_get_be32(f);
+ return 0;
+}
+
+static void spitz_lcdtg_init(SSISlave *dev)
+{
+ SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
+
+ spitz_lcdtg = s;
+ s->bl_power = 0;
+ s->bl_intensity = 0x20;
+
+ register_savevm("spitz-lcdtg", -1, 1,
+ spitz_lcdtg_save, spitz_lcdtg_load, s);
}
/* SSP devices */
@@ -590,45 +629,33 @@ static void spitz_lcdtg_dac_put(void *opaque, uint8_t cmd)
#define SPITZ_GPIO_MAX1111_CS 20
#define SPITZ_GPIO_TP_INT 11
-static int lcd_en, ads_en, max_en;
-static MAX111xState *max1111;
-static ADS7846State *ads7846;
+static DeviceState *max1111;
/* "Demux" the signal based on current chipselect */
-static uint32_t corgi_ssp_read(void *opaque)
-{
- if (lcd_en)
- return 0;
- if (ads_en)
- return ads7846_read(ads7846);
- if (max_en)
- return max111x_read(max1111);
- return 0;
-}
+typedef struct {
+ SSISlave ssidev;
+ SSIBus *bus[3];
+ int enable[3];
+} CorgiSSPState;
-static void corgi_ssp_write(void *opaque, uint32_t value)
+static uint32_t corgi_ssp_transfer(SSISlave *dev, uint32_t value)
{
- if (lcd_en)
- spitz_lcdtg_dac_put(opaque, value);
- if (ads_en)
- ads7846_write(ads7846, value);
- if (max_en)
- max111x_write(max1111, value);
+ CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev);
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ if (s->enable[i]) {
+ return ssi_transfer(s->bus[i], value);
+ }
+ }
+ return 0;
}
static void corgi_ssp_gpio_cs(void *opaque, int line, int level)
{
- switch (line) {
- case 0:
- lcd_en = !level;
- break;
- case 1:
- ads_en = !level;
- break;
- case 2:
- max_en = !level;
- break;
- }
+ CorgiSSPState *s = (CorgiSSPState *)opaque;
+ assert(line >= 0 && line < 3);
+ s->enable[line] = !level;
}
#define MAX1111_BATT_VOLT 1
@@ -652,49 +679,71 @@ static void spitz_adc_temp_on(void *opaque, int line, int level)
static void spitz_ssp_save(QEMUFile *f, void *opaque)
{
- qemu_put_be32(f, lcd_en);
- qemu_put_be32(f, ads_en);
- qemu_put_be32(f, max_en);
- qemu_put_be32(f, bl_intensity);
- qemu_put_be32(f, bl_power);
+ CorgiSSPState *s = (CorgiSSPState *)opaque;
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ qemu_put_be32(f, s->enable[i]);
+ }
}
static int spitz_ssp_load(QEMUFile *f, void *opaque, int version_id)
{
- lcd_en = qemu_get_be32(f);
- ads_en = qemu_get_be32(f);
- max_en = qemu_get_be32(f);
- bl_intensity = qemu_get_be32(f);
- bl_power = qemu_get_be32(f);
+ CorgiSSPState *s = (CorgiSSPState *)opaque;
+ int i;
+ if (version_id != 1) {
+ return -EINVAL;
+ }
+ for (i = 0; i < 3; i++) {
+ s->enable[i] = qemu_get_be32(f);
+ }
return 0;
}
+static void corgi_ssp_init(SSISlave *dev)
+{
+ CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev);
+
+ qdev_init_gpio_in(&dev->qdev, corgi_ssp_gpio_cs, 3);
+ 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]);
+ s->bus[2] = ssi_create_bus();
+ qdev_attach_child_bus(&dev->qdev, "ssi2", s->bus[2]);
+
+ register_savevm("spitz_ssp", -1, 1, spitz_ssp_save, spitz_ssp_load, s);
+}
+
static void spitz_ssp_attach(PXA2xxState *cpu)
{
- qemu_irq *chipselects;
+ DeviceState *mux;
+ DeviceState *dev;
+ void *bus;
+
+ mux = ssi_create_slave(cpu->ssp[CORGI_SSP_PORT - 1], "corgi-ssp");
- lcd_en = ads_en = max_en = 0;
+ bus = qdev_get_child_bus(mux, "ssi0");
+ dev = ssi_create_slave(bus, "spitz-lcdtg");
- ads7846 = ads7846_init(pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_TP_INT]);
+ bus = qdev_get_child_bus(mux, "ssi1");
+ dev = ssi_create_slave(bus, "ads7846");
+ qdev_connect_gpio_out(dev, 0,
+ pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_TP_INT]);
- max1111 = max1111_init(0);
+ bus = qdev_get_child_bus(mux, "ssi2");
+ max1111 = ssi_create_slave(bus, "max1111");
max111x_set_input(max1111, MAX1111_BATT_VOLT, SPITZ_BATTERY_VOLT);
max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
max111x_set_input(max1111, MAX1111_ACIN_VOLT, SPITZ_CHARGEON_ACIN);
- pxa2xx_ssp_attach(cpu->ssp[CORGI_SSP_PORT - 1], corgi_ssp_read,
- corgi_ssp_write, cpu);
-
- chipselects = qemu_allocate_irqs(corgi_ssp_gpio_cs, cpu, 3);
- pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_LCDCON_CS, chipselects[0]);
- pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_ADS7846_CS, chipselects[1]);
- pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_MAX1111_CS, chipselects[2]);
-
- bl_intensity = 0x20;
- bl_power = 0;
-
- register_savevm("spitz_ssp", 0, 0, spitz_ssp_save, spitz_ssp_load, cpu);
+ pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_LCDCON_CS,
+ qdev_get_gpio_in(mux, 0));
+ pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_ADS7846_CS,
+ qdev_get_gpio_in(mux, 1));
+ pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_MAX1111_CS,
+ qdev_get_gpio_in(mux, 2));
}
/* CF Microdrive */
@@ -1018,3 +1067,21 @@ QEMUMachine terrierpda_machine = {
.desc = "Terrier PDA (PXA270)",
.init = terrier_init,
};
+
+static SSISlaveInfo corgi_ssp_info = {
+ .init = corgi_ssp_init,
+ .transfer = corgi_ssp_transfer
+};
+
+static SSISlaveInfo spitz_lcdtg_info = {
+ .init = spitz_lcdtg_init,
+ .transfer = spitz_lcdtg_transfer
+};
+
+static void spitz_register_devices(void)
+{
+ ssi_register_slave("corgi-ssp", sizeof(CorgiSSPState), &corgi_ssp_info);
+ ssi_register_slave("spitz-lcdtg", sizeof(SpitzLCDTG), &spitz_lcdtg_info);
+}
+
+device_init(spitz_register_devices)
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 01:00:41 +0000