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14#include "qemu/osdep.h"
15#include "hw/hw.h"
16#include "hw/arm/pxa.h"
17#include "hw/arm/arm.h"
18#include "hw/devices.h"
19#include "hw/i2c/i2c.h"
20#include "hw/ssi/ssi.h"
21#include "hw/boards.h"
22#include "sysemu/sysemu.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 "sysemu/qtest.h"
29#include "cpu.h"
30
31#ifdef DEBUG_Z2
32#define DPRINTF(fmt, ...) \
33 printf(fmt, ## __VA_ARGS__)
34#else
35#define DPRINTF(fmt, ...)
36#endif
37
38static const struct keymap map[0x100] = {
39 [0 ... 0xff] = { -1, -1 },
40 [0x3b] = {0, 0},
41 [0xc8] = {0, 1},
42 [0xd0] = {0, 2},
43 [0xcb] = {0, 3},
44 [0xcd] = {0, 4},
45 [0xcf] = {0, 5},
46 [0x0d] = {0, 6},
47 [0xc7] = {1, 0},
48 [0x10] = {1, 1},
49 [0x17] = {1, 2},
50 [0x22] = {1, 3},
51 [0x2d] = {1, 4},
52 [0x1c] = {1, 5},
53 [0x0c] = {1, 6},
54 [0xc9] = {2, 0},
55 [0x11] = {2, 1},
56 [0x18] = {2, 2},
57 [0x23] = {2, 3},
58 [0x2e] = {2, 4},
59 [0x38] = {2, 5},
60 [0xd1] = {3, 0},
61 [0x12] = {3, 1},
62 [0x19] = {3, 2},
63 [0x24] = {3, 3},
64 [0x2f] = {3, 4},
65 [0x2a] = {3, 5},
66 [0x01] = {4, 0},
67 [0x13] = {4, 1},
68 [0x1e] = {4, 2},
69 [0x25] = {4, 3},
70 [0x30] = {4, 4},
71 [0x1d] = {4, 5},
72 [0x0f] = {5, 0},
73 [0x14] = {5, 1},
74 [0x1f] = {5, 2},
75 [0x26] = {5, 3},
76 [0x31] = {5, 4},
77 [0x39] = {5, 5},
78 [0x3c] = {6, 0},
79 [0x15] = {6, 1},
80 [0x20] = {6, 2},
81 [0x0e] = {6, 3},
82 [0x32] = {6, 4},
83 [0x33] = {6, 5},
84 [0x3d] = {7, 0},
85 [0x16] = {7, 1},
86 [0x21] = {7, 2},
87 [0x2c] = {7, 3},
88 [0x27] = {7, 4},
89 [0x34] = {7, 5},
90};
91
92#define Z2_RAM_SIZE 0x02000000
93#define Z2_FLASH_BASE 0x00000000
94#define Z2_FLASH_SIZE 0x00800000
95
96static struct arm_boot_info z2_binfo = {
97 .loader_start = PXA2XX_SDRAM_BASE,
98 .ram_size = Z2_RAM_SIZE,
99};
100
101#define Z2_GPIO_SD_DETECT 96
102#define Z2_GPIO_AC_IN 0
103#define Z2_GPIO_KEY_ON 1
104#define Z2_GPIO_LCD_CS 88
105
106typedef struct {
107 SSISlave ssidev;
108 int32_t selected;
109 int32_t enabled;
110 uint8_t buf[3];
111 uint32_t cur_reg;
112 int pos;
113} ZipitLCD;
114
115static uint32_t zipit_lcd_transfer(SSISlave *dev, uint32_t value)
116{
117 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
118 uint16_t val;
119 if (z->selected) {
120 z->buf[z->pos] = value & 0xff;
121 z->pos++;
122 }
123 if (z->pos == 3) {
124 switch (z->buf[0]) {
125 case 0x74:
126 DPRINTF("%s: reg: 0x%.2x\n", __func__, z->buf[2]);
127 z->cur_reg = z->buf[2];
128 break;
129 case 0x76:
130 val = z->buf[1] << 8 | z->buf[2];
131 DPRINTF("%s: value: 0x%.4x\n", __func__, val);
132 if (z->cur_reg == 0x22 && val == 0x0000) {
133 z->enabled = 1;
134 printf("%s: LCD enabled\n", __func__);
135 } else if (z->cur_reg == 0x10 && val == 0x0000) {
136 z->enabled = 0;
137 printf("%s: LCD disabled\n", __func__);
138 }
139 break;
140 default:
141 DPRINTF("%s: unknown command!\n", __func__);
142 break;
143 }
144 z->pos = 0;
145 }
146 return 0;
147}
148
149static void z2_lcd_cs(void *opaque, int line, int level)
150{
151 ZipitLCD *z2_lcd = opaque;
152 z2_lcd->selected = !level;
153}
154
155static void zipit_lcd_realize(SSISlave *dev, Error **errp)
156{
157 ZipitLCD *z = FROM_SSI_SLAVE(ZipitLCD, dev);
158 z->selected = 0;
159 z->enabled = 0;
160 z->pos = 0;
161}
162
163static VMStateDescription vmstate_zipit_lcd_state = {
164 .name = "zipit-lcd",
165 .version_id = 2,
166 .minimum_version_id = 2,
167 .fields = (VMStateField[]) {
168 VMSTATE_SSI_SLAVE(ssidev, ZipitLCD),
169 VMSTATE_INT32(selected, ZipitLCD),
170 VMSTATE_INT32(enabled, ZipitLCD),
171 VMSTATE_BUFFER(buf, ZipitLCD),
172 VMSTATE_UINT32(cur_reg, ZipitLCD),
173 VMSTATE_INT32(pos, ZipitLCD),
174 VMSTATE_END_OF_LIST(),
175 }
176};
177
178static void zipit_lcd_class_init(ObjectClass *klass, void *data)
179{
180 DeviceClass *dc = DEVICE_CLASS(klass);
181 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
182
183 k->realize = zipit_lcd_realize;
184 k->transfer = zipit_lcd_transfer;
185 dc->vmsd = &vmstate_zipit_lcd_state;
186}
187
188static const TypeInfo zipit_lcd_info = {
189 .name = "zipit-lcd",
190 .parent = TYPE_SSI_SLAVE,
191 .instance_size = sizeof(ZipitLCD),
192 .class_init = zipit_lcd_class_init,
193};
194
195#define TYPE_AER915 "aer915"
196#define AER915(obj) OBJECT_CHECK(AER915State, (obj), TYPE_AER915)
197
198typedef struct AER915State {
199 I2CSlave parent_obj;
200
201 int len;
202 uint8_t buf[3];
203} AER915State;
204
205static int aer915_send(I2CSlave *i2c, uint8_t data)
206{
207 AER915State *s = AER915(i2c);
208
209 s->buf[s->len] = data;
210 if (s->len++ > 2) {
211 DPRINTF("%s: message too long (%i bytes)\n",
212 __func__, s->len);
213 return 1;
214 }
215
216 if (s->len == 2) {
217 DPRINTF("%s: reg %d value 0x%02x\n", __func__,
218 s->buf[0], s->buf[1]);
219 }
220
221 return 0;
222}
223
224static int aer915_event(I2CSlave *i2c, enum i2c_event event)
225{
226 AER915State *s = AER915(i2c);
227
228 switch (event) {
229 case I2C_START_SEND:
230 s->len = 0;
231 break;
232 case I2C_START_RECV:
233 if (s->len != 1) {
234 DPRINTF("%s: short message!?\n", __func__);
235 }
236 break;
237 case I2C_FINISH:
238 break;
239 default:
240 break;
241 }
242
243 return 0;
244}
245
246static int aer915_recv(I2CSlave *slave)
247{
248 AER915State *s = AER915(slave);
249 int retval = 0x00;
250
251 switch (s->buf[0]) {
252
253
254
255 case 0x02:
256 retval = 0xf0;
257 break;
258
259
260
261
262 default:
263 break;
264 }
265
266 return retval;
267}
268
269static VMStateDescription vmstate_aer915_state = {
270 .name = "aer915",
271 .version_id = 1,
272 .minimum_version_id = 1,
273 .fields = (VMStateField[]) {
274 VMSTATE_INT32(len, AER915State),
275 VMSTATE_BUFFER(buf, AER915State),
276 VMSTATE_END_OF_LIST(),
277 }
278};
279
280static void aer915_class_init(ObjectClass *klass, void *data)
281{
282 DeviceClass *dc = DEVICE_CLASS(klass);
283 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
284
285 k->event = aer915_event;
286 k->recv = aer915_recv;
287 k->send = aer915_send;
288 dc->vmsd = &vmstate_aer915_state;
289}
290
291static const TypeInfo aer915_info = {
292 .name = TYPE_AER915,
293 .parent = TYPE_I2C_SLAVE,
294 .instance_size = sizeof(AER915State),
295 .class_init = aer915_class_init,
296};
297
298static void z2_init(MachineState *machine)
299{
300 const char *kernel_filename = machine->kernel_filename;
301 const char *kernel_cmdline = machine->kernel_cmdline;
302 const char *initrd_filename = machine->initrd_filename;
303 MemoryRegion *address_space_mem = get_system_memory();
304 uint32_t sector_len = 0x10000;
305 PXA2xxState *mpu;
306 DriveInfo *dinfo;
307 int be;
308 void *z2_lcd;
309 I2CBus *bus;
310 DeviceState *wm;
311
312
313 mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, machine->cpu_type);
314
315#ifdef TARGET_WORDS_BIGENDIAN
316 be = 1;
317#else
318 be = 0;
319#endif
320 dinfo = drive_get(IF_PFLASH, 0, 0);
321 if (!dinfo && !qtest_enabled()) {
322 error_report("Flash image must be given with the "
323 "'pflash' parameter");
324 exit(1);
325 }
326
327 if (!pflash_cfi01_register(Z2_FLASH_BASE,
328 NULL, "z2.flash0", Z2_FLASH_SIZE,
329 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
330 sector_len, Z2_FLASH_SIZE / sector_len,
331 4, 0, 0, 0, 0, be)) {
332 error_report("Error registering flash memory");
333 exit(1);
334 }
335
336
337 pxa27x_register_keypad(mpu->kp, map, 0x100);
338
339
340 pxa2xx_mmci_handlers(mpu->mmc,
341 NULL,
342 qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
343
344 type_register_static(&zipit_lcd_info);
345 type_register_static(&aer915_info);
346 z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
347 bus = pxa2xx_i2c_bus(mpu->i2c[0]);
348 i2c_create_slave(bus, TYPE_AER915, 0x55);
349 wm = i2c_create_slave(bus, TYPE_WM8750, 0x1b);
350 mpu->i2s->opaque = wm;
351 mpu->i2s->codec_out = wm8750_dac_dat;
352 mpu->i2s->codec_in = wm8750_adc_dat;
353 wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
354
355 qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
356 qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
357
358 z2_binfo.kernel_filename = kernel_filename;
359 z2_binfo.kernel_cmdline = kernel_cmdline;
360 z2_binfo.initrd_filename = initrd_filename;
361 z2_binfo.board_id = 0x6dd;
362 arm_load_kernel(mpu->cpu, &z2_binfo);
363}
364
365static void z2_machine_init(MachineClass *mc)
366{
367 mc->desc = "Zipit Z2 (PXA27x)";
368 mc->init = z2_init;
369 mc->ignore_memory_transaction_failures = true;
370 mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
371}
372
373DEFINE_MACHINE("z2", z2_machine_init)
374