host/include/generic/host/atomic128: Fix compilation problem with Clang 17
[qemu/kevin.git] / hw / arm / z2.c
blobd9a08fa67b23d930214709cfd0219a3abe6b9632
1 /*
2 * PXA270-based Zipit Z2 device
4 * Copyright (c) 2011 by Vasily Khoruzhick <anarsoul@gmail.com>
6 * Code is based on mainstone platform.
8 * This code is licensed under the GNU GPL v2.
10 * Contributions after 2012-01-13 are licensed under the terms of the
11 * GNU GPL, version 2 or (at your option) any later version.
14 #include "qemu/osdep.h"
15 #include "qemu/units.h"
16 #include "hw/arm/pxa.h"
17 #include "hw/arm/boot.h"
18 #include "hw/i2c/i2c.h"
19 #include "hw/irq.h"
20 #include "hw/ssi/ssi.h"
21 #include "migration/vmstate.h"
22 #include "hw/boards.h"
23 #include "hw/block/flash.h"
24 #include "ui/console.h"
25 #include "hw/audio/wm8750.h"
26 #include "audio/audio.h"
27 #include "exec/address-spaces.h"
28 #include "cpu.h"
29 #include "qom/object.h"
30 #include "qapi/error.h"
32 #ifdef DEBUG_Z2
33 #define DPRINTF(fmt, ...) \
34 printf(fmt, ## __VA_ARGS__)
35 #else
36 #define DPRINTF(fmt, ...)
37 #endif
39 static const struct keymap map[0x100] = {
40 [0 ... 0xff] = { -1, -1 },
41 [0x3b] = {0, 0}, /* Option = F1 */
42 [0xc8] = {0, 1}, /* Up */
43 [0xd0] = {0, 2}, /* Down */
44 [0xcb] = {0, 3}, /* Left */
45 [0xcd] = {0, 4}, /* Right */
46 [0xcf] = {0, 5}, /* End */
47 [0x0d] = {0, 6}, /* KPPLUS */
48 [0xc7] = {1, 0}, /* Home */
49 [0x10] = {1, 1}, /* Q */
50 [0x17] = {1, 2}, /* I */
51 [0x22] = {1, 3}, /* G */
52 [0x2d] = {1, 4}, /* X */
53 [0x1c] = {1, 5}, /* Enter */
54 [0x0c] = {1, 6}, /* KPMINUS */
55 [0xc9] = {2, 0}, /* PageUp */
56 [0x11] = {2, 1}, /* W */
57 [0x18] = {2, 2}, /* O */
58 [0x23] = {2, 3}, /* H */
59 [0x2e] = {2, 4}, /* C */
60 [0x38] = {2, 5}, /* LeftAlt */
61 [0xd1] = {3, 0}, /* PageDown */
62 [0x12] = {3, 1}, /* E */
63 [0x19] = {3, 2}, /* P */
64 [0x24] = {3, 3}, /* J */
65 [0x2f] = {3, 4}, /* V */
66 [0x2a] = {3, 5}, /* LeftShift */
67 [0x01] = {4, 0}, /* Esc */
68 [0x13] = {4, 1}, /* R */
69 [0x1e] = {4, 2}, /* A */
70 [0x25] = {4, 3}, /* K */
71 [0x30] = {4, 4}, /* B */
72 [0x1d] = {4, 5}, /* LeftCtrl */
73 [0x0f] = {5, 0}, /* Tab */
74 [0x14] = {5, 1}, /* T */
75 [0x1f] = {5, 2}, /* S */
76 [0x26] = {5, 3}, /* L */
77 [0x31] = {5, 4}, /* N */
78 [0x39] = {5, 5}, /* Space */
79 [0x3c] = {6, 0}, /* Stop = F2 */
80 [0x15] = {6, 1}, /* Y */
81 [0x20] = {6, 2}, /* D */
82 [0x0e] = {6, 3}, /* Backspace */
83 [0x32] = {6, 4}, /* M */
84 [0x33] = {6, 5}, /* Comma */
85 [0x3d] = {7, 0}, /* Play = F3 */
86 [0x16] = {7, 1}, /* U */
87 [0x21] = {7, 2}, /* F */
88 [0x2c] = {7, 3}, /* Z */
89 [0x27] = {7, 4}, /* Semicolon */
90 [0x34] = {7, 5}, /* Dot */
93 #define Z2_RAM_SIZE 0x02000000
94 #define Z2_FLASH_BASE 0x00000000
95 #define Z2_FLASH_SIZE 0x00800000
97 static struct arm_boot_info z2_binfo = {
98 .loader_start = PXA2XX_SDRAM_BASE,
99 .ram_size = Z2_RAM_SIZE,
102 #define Z2_GPIO_SD_DETECT 96
103 #define Z2_GPIO_AC_IN 0
104 #define Z2_GPIO_KEY_ON 1
105 #define Z2_GPIO_LCD_CS 88
107 struct ZipitLCD {
108 SSIPeripheral ssidev;
109 int32_t selected;
110 int32_t enabled;
111 uint8_t buf[3];
112 uint32_t cur_reg;
113 int pos;
116 #define TYPE_ZIPIT_LCD "zipit-lcd"
117 OBJECT_DECLARE_SIMPLE_TYPE(ZipitLCD, ZIPIT_LCD)
119 static uint32_t zipit_lcd_transfer(SSIPeripheral *dev, uint32_t value)
121 ZipitLCD *z = ZIPIT_LCD(dev);
122 uint16_t val;
123 if (z->selected) {
124 z->buf[z->pos] = value & 0xff;
125 z->pos++;
127 if (z->pos == 3) {
128 switch (z->buf[0]) {
129 case 0x74:
130 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
131 z->cur_reg = z->buf[2];
132 break;
133 case 0x76:
134 val = z->buf[1] << 8 | z->buf[2];
135 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
136 if (z->cur_reg == 0x22 && val == 0x0000) {
137 z->enabled = 1;
138 printf("%s: LCD enabled\n", __func__);
139 } else if (z->cur_reg == 0x10 && val == 0x0000) {
140 z->enabled = 0;
141 printf("%s: LCD disabled\n", __func__);
143 break;
144 default:
145 DPRINTF("%s: unknown command!\n", __func__);
146 break;
148 z->pos = 0;
150 return 0;
153 static void z2_lcd_cs(void *opaque, int line, int level)
155 ZipitLCD *z2_lcd = opaque;
156 z2_lcd->selected = !level;
159 static void zipit_lcd_realize(SSIPeripheral *dev, Error **errp)
161 ZipitLCD *z = ZIPIT_LCD(dev);
162 z->selected = 0;
163 z->enabled = 0;
164 z->pos = 0;
167 static const VMStateDescription vmstate_zipit_lcd_state = {
168 .name = "zipit-lcd",
169 .version_id = 2,
170 .minimum_version_id = 2,
171 .fields = (VMStateField[]) {
172 VMSTATE_SSI_PERIPHERAL(ssidev, ZipitLCD),
173 VMSTATE_INT32(selected, ZipitLCD),
174 VMSTATE_INT32(enabled, ZipitLCD),
175 VMSTATE_BUFFER(buf, ZipitLCD),
176 VMSTATE_UINT32(cur_reg, ZipitLCD),
177 VMSTATE_INT32(pos, ZipitLCD),
178 VMSTATE_END_OF_LIST(),
182 static void zipit_lcd_class_init(ObjectClass *klass, void *data)
184 DeviceClass *dc = DEVICE_CLASS(klass);
185 SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
187 k->realize = zipit_lcd_realize;
188 k->transfer = zipit_lcd_transfer;
189 dc->vmsd = &vmstate_zipit_lcd_state;
192 static const TypeInfo zipit_lcd_info = {
193 .name = TYPE_ZIPIT_LCD,
194 .parent = TYPE_SSI_PERIPHERAL,
195 .instance_size = sizeof(ZipitLCD),
196 .class_init = zipit_lcd_class_init,
199 #define TYPE_AER915 "aer915"
200 OBJECT_DECLARE_SIMPLE_TYPE(AER915State, AER915)
202 struct AER915State {
203 I2CSlave parent_obj;
205 int len;
206 uint8_t buf[3];
209 static int aer915_send(I2CSlave *i2c, uint8_t data)
211 AER915State *s = AER915(i2c);
213 s->buf[s->len] = data;
214 if (s->len++ > 2) {
215 DPRINTF("%s: message too long (%i bytes)\n",
216 __func__, s->len);
217 return 1;
220 if (s->len == 2) {
221 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
222 s->buf[0], s->buf[1]);
225 return 0;
228 static int aer915_event(I2CSlave *i2c, enum i2c_event event)
230 AER915State *s = AER915(i2c);
232 switch (event) {
233 case I2C_START_SEND:
234 s->len = 0;
235 break;
236 case I2C_START_RECV:
237 if (s->len != 1) {
238 DPRINTF("%s: short message!?\n", __func__);
240 break;
241 case I2C_FINISH:
242 break;
243 default:
244 break;
247 return 0;
250 static uint8_t aer915_recv(I2CSlave *slave)
252 AER915State *s = AER915(slave);
253 int retval = 0x00;
255 switch (s->buf[0]) {
256 /* Return hardcoded battery voltage,
257 * 0xf0 means ~4.1V
259 case 0x02:
260 retval = 0xf0;
261 break;
262 /* Return 0x00 for other regs,
263 * we don't know what they are for,
264 * anyway they return 0x00 on real hardware.
266 default:
267 break;
270 return retval;
273 static const VMStateDescription vmstate_aer915_state = {
274 .name = "aer915",
275 .version_id = 1,
276 .minimum_version_id = 1,
277 .fields = (VMStateField[]) {
278 VMSTATE_INT32(len, AER915State),
279 VMSTATE_BUFFER(buf, AER915State),
280 VMSTATE_END_OF_LIST(),
284 static void aer915_class_init(ObjectClass *klass, void *data)
286 DeviceClass *dc = DEVICE_CLASS(klass);
287 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
289 k->event = aer915_event;
290 k->recv = aer915_recv;
291 k->send = aer915_send;
292 dc->vmsd = &vmstate_aer915_state;
295 static const TypeInfo aer915_info = {
296 .name = TYPE_AER915,
297 .parent = TYPE_I2C_SLAVE,
298 .instance_size = sizeof(AER915State),
299 .class_init = aer915_class_init,
302 #define FLASH_SECTOR_SIZE (64 * KiB)
304 static void z2_init(MachineState *machine)
306 PXA2xxState *mpu;
307 DriveInfo *dinfo;
308 void *z2_lcd;
309 I2CBus *bus;
310 DeviceState *wm;
311 I2CSlave *i2c_dev;
313 /* Setup CPU & memory */
314 mpu = pxa270_init(z2_binfo.ram_size, machine->cpu_type);
316 dinfo = drive_get(IF_PFLASH, 0, 0);
317 pflash_cfi01_register(Z2_FLASH_BASE, "z2.flash0", Z2_FLASH_SIZE,
318 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
319 FLASH_SECTOR_SIZE, 4, 0, 0, 0, 0, 0);
321 /* setup keypad */
322 pxa27x_register_keypad(mpu->kp, map, 0x100);
324 /* MMC/SD host */
325 pxa2xx_mmci_handlers(mpu->mmc,
326 NULL,
327 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
329 type_register_static(&zipit_lcd_info);
330 type_register_static(&aer915_info);
331 z2_lcd = ssi_create_peripheral(mpu->ssp[1], TYPE_ZIPIT_LCD);
332 bus = pxa2xx_i2c_bus(mpu->i2c[0]);
334 i2c_slave_create_simple(bus, TYPE_AER915, 0x55);
336 i2c_dev = i2c_slave_new(TYPE_WM8750, 0x1b);
337 wm = DEVICE(i2c_dev);
339 if (machine->audiodev) {
340 qdev_prop_set_string(wm, "audiodev", machine->audiodev);
342 i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort);
344 mpu->i2s->opaque = wm;
345 mpu->i2s->codec_out = wm8750_dac_dat;
346 mpu->i2s->codec_in = wm8750_adc_dat;
347 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
349 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
350 qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
352 z2_binfo.board_id = 0x6dd;
353 arm_load_kernel(mpu->cpu, machine, &z2_binfo);
356 static void z2_machine_init(MachineClass *mc)
358 mc->desc = "Zipit Z2 (PXA27x)";
359 mc->init = z2_init;
360 mc->ignore_memory_transaction_failures = true;
361 mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
363 machine_add_audiodev_property(mc);
366 DEFINE_MACHINE("z2", z2_machine_init)