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14#include "qemu/osdep.h"
15#include "hw/arm/pxa.h"
16#include "hw/arm/boot.h"
17#include "hw/i2c/i2c.h"
18#include "hw/irq.h"
19#include "hw/ssi/ssi.h"
20#include "migration/vmstate.h"
21#include "hw/boards.h"
22#include "hw/block/flash.h"
23#include "ui/console.h"
24#include "hw/audio/wm8750.h"
25#include "audio/audio.h"
26#include "exec/address-spaces.h"
27#include "cpu.h"
28#include "qom/object.h"
29
30#ifdef DEBUG_Z2
31#define DPRINTF(fmt, ...) \
32 printf(fmt, ## __VA_ARGS__)
33#else
34#define DPRINTF(fmt, ...)
35#endif
36
37static const struct keymap map[0x100] = {
38 [0 ... 0xff] = { -1, -1 },
39 [0x3b] = {0, 0},
40 [0xc8] = {0, 1},
41 [0xd0] = {0, 2},
42 [0xcb] = {0, 3},
43 [0xcd] = {0, 4},
44 [0xcf] = {0, 5},
45 [0x0d] = {0, 6},
46 [0xc7] = {1, 0},
47 [0x10] = {1, 1},
48 [0x17] = {1, 2},
49 [0x22] = {1, 3},
50 [0x2d] = {1, 4},
51 [0x1c] = {1, 5},
52 [0x0c] = {1, 6},
53 [0xc9] = {2, 0},
54 [0x11] = {2, 1},
55 [0x18] = {2, 2},
56 [0x23] = {2, 3},
57 [0x2e] = {2, 4},
58 [0x38] = {2, 5},
59 [0xd1] = {3, 0},
60 [0x12] = {3, 1},
61 [0x19] = {3, 2},
62 [0x24] = {3, 3},
63 [0x2f] = {3, 4},
64 [0x2a] = {3, 5},
65 [0x01] = {4, 0},
66 [0x13] = {4, 1},
67 [0x1e] = {4, 2},
68 [0x25] = {4, 3},
69 [0x30] = {4, 4},
70 [0x1d] = {4, 5},
71 [0x0f] = {5, 0},
72 [0x14] = {5, 1},
73 [0x1f] = {5, 2},
74 [0x26] = {5, 3},
75 [0x31] = {5, 4},
76 [0x39] = {5, 5},
77 [0x3c] = {6, 0},
78 [0x15] = {6, 1},
79 [0x20] = {6, 2},
80 [0x0e] = {6, 3},
81 [0x32] = {6, 4},
82 [0x33] = {6, 5},
83 [0x3d] = {7, 0},
84 [0x16] = {7, 1},
85 [0x21] = {7, 2},
86 [0x2c] = {7, 3},
87 [0x27] = {7, 4},
88 [0x34] = {7, 5},
89};
90
91#define Z2_RAM_SIZE 0x02000000
92#define Z2_FLASH_BASE 0x00000000
93#define Z2_FLASH_SIZE 0x00800000
94
95static struct arm_boot_info z2_binfo = {
96 .loader_start = PXA2XX_SDRAM_BASE,
97 .ram_size = Z2_RAM_SIZE,
98};
99
100#define Z2_GPIO_SD_DETECT 96
101#define Z2_GPIO_AC_IN 0
102#define Z2_GPIO_KEY_ON 1
103#define Z2_GPIO_LCD_CS 88
104
105struct ZipitLCD {
106 SSIPeripheral ssidev;
107 int32_t selected;
108 int32_t enabled;
109 uint8_t buf[3];
110 uint32_t cur_reg;
111 int pos;
112};
113
114#define TYPE_ZIPIT_LCD "zipit-lcd"
115OBJECT_DECLARE_SIMPLE_TYPE(ZipitLCD, ZIPIT_LCD)
116
117static uint32_t zipit_lcd_transfer(SSIPeripheral *dev, uint32_t value)
118{
119 ZipitLCD *z = ZIPIT_LCD(dev);
120 uint16_t val;
121 if (z->selected) {
122 z->buf[z->pos] = value & 0xff;
123 z->pos++;
124 }
125 if (z->pos == 3) {
126 switch (z->buf[0]) {
127 case 0x74:
128 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
129 z->cur_reg = z->buf[2];
130 break;
131 case 0x76:
132 val = z->buf[1] << 8 | z->buf[2];
133 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
134 if (z->cur_reg == 0x22 && val == 0x0000) {
135 z->enabled = 1;
136 printf("%s: LCD enabled\n", __func__);
137 } else if (z->cur_reg == 0x10 && val == 0x0000) {
138 z->enabled = 0;
139 printf("%s: LCD disabled\n", __func__);
140 }
141 break;
142 default:
143 DPRINTF("%s: unknown command!\n", __func__);
144 break;
145 }
146 z->pos = 0;
147 }
148 return 0;
149}
150
151static void z2_lcd_cs(void *opaque, int line, int level)
152{
153 ZipitLCD *z2_lcd = opaque;
154 z2_lcd->selected = !level;
155}
156
157static void zipit_lcd_realize(SSIPeripheral *dev, Error **errp)
158{
159 ZipitLCD *z = ZIPIT_LCD(dev);
160 z->selected = 0;
161 z->enabled = 0;
162 z->pos = 0;
163}
164
165static const VMStateDescription vmstate_zipit_lcd_state = {
166 .name = "zipit-lcd",
167 .version_id = 2,
168 .minimum_version_id = 2,
169 .fields = (VMStateField[]) {
170 VMSTATE_SSI_PERIPHERAL(ssidev, ZipitLCD),
171 VMSTATE_INT32(selected, ZipitLCD),
172 VMSTATE_INT32(enabled, ZipitLCD),
173 VMSTATE_BUFFER(buf, ZipitLCD),
174 VMSTATE_UINT32(cur_reg, ZipitLCD),
175 VMSTATE_INT32(pos, ZipitLCD),
176 VMSTATE_END_OF_LIST(),
177 }
178};
179
180static void zipit_lcd_class_init(ObjectClass *klass, void *data)
181{
182 DeviceClass *dc = DEVICE_CLASS(klass);
183 SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
184
185 k->realize = zipit_lcd_realize;
186 k->transfer = zipit_lcd_transfer;
187 dc->vmsd = &vmstate_zipit_lcd_state;
188}
189
190static const TypeInfo zipit_lcd_info = {
191 .name = TYPE_ZIPIT_LCD,
192 .parent = TYPE_SSI_PERIPHERAL,
193 .instance_size = sizeof(ZipitLCD),
194 .class_init = zipit_lcd_class_init,
195};
196
197#define TYPE_AER915 "aer915"
198OBJECT_DECLARE_SIMPLE_TYPE(AER915State, AER915)
199
200struct AER915State {
201 I2CSlave parent_obj;
202
203 int len;
204 uint8_t buf[3];
205};
206
207static int aer915_send(I2CSlave *i2c, uint8_t data)
208{
209 AER915State *s = AER915(i2c);
210
211 s->buf[s->len] = data;
212 if (s->len++ > 2) {
213 DPRINTF("%s: message too long (%i bytes)\n",
214 __func__, s->len);
215 return 1;
216 }
217
218 if (s->len == 2) {
219 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
220 s->buf[0], s->buf[1]);
221 }
222
223 return 0;
224}
225
226static int aer915_event(I2CSlave *i2c, enum i2c_event event)
227{
228 AER915State *s = AER915(i2c);
229
230 switch (event) {
231 case I2C_START_SEND:
232 s->len = 0;
233 break;
234 case I2C_START_RECV:
235 if (s->len != 1) {
236 DPRINTF("%s: short message!?\n", __func__);
237 }
238 break;
239 case I2C_FINISH:
240 break;
241 default:
242 break;
243 }
244
245 return 0;
246}
247
248static uint8_t aer915_recv(I2CSlave *slave)
249{
250 AER915State *s = AER915(slave);
251 int retval = 0x00;
252
253 switch (s->buf[0]) {
254
255
256
257 case 0x02:
258 retval = 0xf0;
259 break;
260
261
262
263
264 default:
265 break;
266 }
267
268 return retval;
269}
270
271static const VMStateDescription vmstate_aer915_state = {
272 .name = "aer915",
273 .version_id = 1,
274 .minimum_version_id = 1,
275 .fields = (VMStateField[]) {
276 VMSTATE_INT32(len, AER915State),
277 VMSTATE_BUFFER(buf, AER915State),
278 VMSTATE_END_OF_LIST(),
279 }
280};
281
282static void aer915_class_init(ObjectClass *klass, void *data)
283{
284 DeviceClass *dc = DEVICE_CLASS(klass);
285 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
286
287 k->event = aer915_event;
288 k->recv = aer915_recv;
289 k->send = aer915_send;
290 dc->vmsd = &vmstate_aer915_state;
291}
292
293static const TypeInfo aer915_info = {
294 .name = TYPE_AER915,
295 .parent = TYPE_I2C_SLAVE,
296 .instance_size = sizeof(AER915State),
297 .class_init = aer915_class_init,
298};
299
300static void z2_init(MachineState *machine)
301{
302 MemoryRegion *address_space_mem = get_system_memory();
303 uint32_t sector_len = 0x10000;
304 PXA2xxState *mpu;
305 DriveInfo *dinfo;
306 void *z2_lcd;
307 I2CBus *bus;
308 DeviceState *wm;
309
310
311 mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, machine->cpu_type);
312
313 dinfo = drive_get(IF_PFLASH, 0, 0);
314 if (!pflash_cfi01_register(Z2_FLASH_BASE, "z2.flash0", Z2_FLASH_SIZE,
315 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
316 sector_len, 4, 0, 0, 0, 0, 0)) {
317 error_report("Error registering flash memory");
318 exit(1);
319 }
320
321
322 pxa27x_register_keypad(mpu->kp, map, 0x100);
323
324
325 pxa2xx_mmci_handlers(mpu->mmc,
326 NULL,
327 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
328
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]);
333 i2c_slave_create_simple(bus, TYPE_AER915, 0x55);
334 wm = DEVICE(i2c_slave_create_simple(bus, TYPE_WM8750, 0x1b));
335 mpu->i2s->opaque = wm;
336 mpu->i2s->codec_out = wm8750_dac_dat;
337 mpu->i2s->codec_in = wm8750_adc_dat;
338 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
339
340 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
341 qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
342
343 z2_binfo.board_id = 0x6dd;
344 arm_load_kernel(mpu->cpu, machine, &z2_binfo);
345}
346
347static void z2_machine_init(MachineClass *mc)
348{
349 mc->desc = "Zipit Z2 (PXA27x)";
350 mc->init = z2_init;
351 mc->ignore_memory_transaction_failures = true;
352 mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
353}
354
355DEFINE_MACHINE("z2", z2_machine_init)
356
